.appveyor.yml

@@ -1,41 +0,0 @@
-environment:
-  global:
-    PROJECT_NAME: actix-net
-  matrix:
-    # Stable channel
-    - TARGET: i686-pc-windows-msvc
-      CHANNEL: stable
-    - TARGET: x86_64-pc-windows-gnu
-      CHANNEL: stable
-    - TARGET: x86_64-pc-windows-msvc
-      CHANNEL: stable
-    # Nightly channel
-    - TARGET: i686-pc-windows-msvc
-      CHANNEL: nightly
-    - TARGET: x86_64-pc-windows-gnu
-      CHANNEL: nightly
-    - TARGET: x86_64-pc-windows-msvc
-      CHANNEL: nightly
-
-# Install Rust and Cargo
-# (Based on from https://github.com/rust-lang/libc/blob/master/appveyor.yml)
-install:
-  - ps: >-
-        If ($Env:TARGET -eq 'x86_64-pc-windows-gnu') {
-           $Env:PATH += ';C:\msys64\mingw64\bin'
-        } ElseIf ($Env:TARGET -eq 'i686-pc-windows-gnu') {
-           $Env:PATH += ';C:\MinGW\bin'
-        }
-  - curl -sSf -o rustup-init.exe https://win.rustup.rs
-  - rustup-init.exe --default-host %TARGET% --default-toolchain %CHANNEL% -y
-  - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
-  - rustc -Vv
-  - cargo -V
-
-# 'cargo test' takes care of building for us, so disable Appveyor's build stage.
-build: false
-
-# Equivalent to Travis' `script` phase
-test_script:
-  - cargo clean
-  - cargo test

.clippy.toml

@@ -0,0 +1,7 @@
+disallowed-names = [
+    "e", # no single letter error bindings
+]
+disallowed-methods = [
+    "std::cell::RefCell::default()",
+    "std::rc::Rc::default()",
+]

.codecov.yml

@@ -0,0 +1,15 @@
+comment: false
+
+coverage:
+  status:
+    project:
+      default:
+        threshold: 100% # make CI green
+    patch:
+      default:
+        threshold: 100% # make CI green
+
+ignore: # ignore code coverage on following paths
+  - "**/tests"
+  - "**/benches"
+  - "**/examples"

.github/FUNDING.yml

@@ -0,0 +1,3 @@
+# These are supported funding model platforms
+
+github: [robjtede]

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,43 @@
+---
+name: Bug Report
+about: Create a bug report.
+---
+
+Your issue may already be reported! Please search on the [Actix Web issue tracker](https://github.com/actix/actix-web/issues) before creating one.
+
+## Expected Behavior
+
+<!--- If you're describing a bug, tell us what should happen -->
+<!--- If you're suggesting a change/improvement, tell us how it should work -->
+
+## Current Behavior
+
+<!--- If describing a bug, tell us what happens instead of the expected behavior -->
+<!--- If suggesting a change/improvement, explain the difference from current behavior -->
+
+## Possible Solution
+
+<!--- Not obligatory, but suggest a fix/reason for the bug, -->
+<!--- or ideas how to implement the addition or change -->
+
+## Steps to Reproduce (for bugs)
+
+<!--- Provide a link to a live example, or an unambiguous set of steps to -->
+<!--- reproduce this bug. Include code to reproduce, if relevant -->
+
+1.
+2.
+3.
+4.
+
+## Context
+
+<!--- How has this issue affected you? What are you trying to accomplish? -->
+<!--- Providing context helps us come up with a solution that is most useful in the real world -->
+
+## Your Environment
+
+<!--- Include as many relevant details about the environment you experienced the bug in -->
+
+- Rust Version (I.e, output of `rustc -V`):
+- Actix Web Version:

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,8 @@
+blank_issues_enabled: true
+contact_links:
+  - name: Actix Discord
+    url: https://discord.gg/NWpN5mmg3x
+    about: Actix developer discussion and community chat
+  - name: GitHub Discussions
+    url: https://github.com/actix/actix-web/discussions
+    about: Actix Web Q&A

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,28 @@
+<!-- Thanks for considering contributing actix! -->
+<!-- Please fill out the following to get your PR reviewed quicker. -->
+
+## PR Type
+
+<!-- What kind of change does this PR make? -->
+<!-- Bug Fix / Feature / Refactor / Code Style / Other -->
+
+PR_TYPE
+
+## PR Checklist
+
+<!-- Check your PR fulfills the following items. -->
+<!-- For draft PRs check the boxes as you complete them. -->
+
+- [ ] Tests for the changes have been added / updated.
+- [ ] Documentation comments have been added / updated.
+- [ ] A changelog entry has been made for the appropriate packages.
+- [ ] Format code with the latest stable rustfmt.
+- [ ] (Team) Label with affected crates and semver status.
+
+## Overview
+
+<!-- Describe the current and new behavior. -->
+<!-- Emphasize any breaking changes. -->
+
+<!-- If this PR fixes or closes an issue, reference it here. -->
+<!-- Closes #000 -->

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: cargo
+    directory: /
+    schedule:
+      interval: weekly
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly

.github/workflows/bench.yml

@@ -0,0 +1,28 @@
+name: Benchmark
+
+on:
+  push:
+    branches: [master]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  check_benchmark:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust
+        run: |
+          rustup set profile minimal
+          rustup install nightly
+          rustup override set nightly
+
+      - name: Check benchmark
+        run: cargo bench --bench=server -- --sample-size=15

.github/workflows/ci-post-merge.yml

@@ -0,0 +1,91 @@
+name: CI (post-merge)
+
+on:
+  push:
+    branches: [master]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build_and_test_nightly:
+    strategy:
+      fail-fast: false
+      matrix:
+        # prettier-ignore
+        target:
+          - { name: Linux, os: ubuntu-latest, triple: x86_64-unknown-linux-gnu }
+          - { name: macOS, os: macos-latest, triple: x86_64-apple-darwin }
+          - { name: Windows, os: windows-latest, triple: x86_64-pc-windows-msvc }
+        version:
+          - { name: nightly, version: nightly }
+
+    name: ${{ matrix.target.name }} / ${{ matrix.version.name }}
+    runs-on: ${{ matrix.target.os }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install nasm
+        if: matrix.target.os == 'windows-latest'
+        uses: ilammy/setup-nasm@v1.5.2
+
+      - name: Install OpenSSL
+        if: matrix.target.os == 'windows-latest'
+        shell: bash
+        run: |
+          set -e
+          choco install openssl --version=1.1.1.2100 -y --no-progress
+          echo 'OPENSSL_DIR=C:\Program Files\OpenSSL' >> $GITHUB_ENV
+          echo "RUSTFLAGS=-C target-feature=+crt-static" >> $GITHUB_ENV
+
+      - name: Install Rust (${{ matrix.version.name }})
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          toolchain: ${{ matrix.version.version }}
+
+      - name: Install just, cargo-hack, cargo-nextest, cargo-ci-cache-clean
+        uses: taiki-e/install-action@v2.49.17
+        with:
+          tool: just,cargo-hack,cargo-nextest,cargo-ci-cache-clean
+
+      - name: check minimal
+        run: just check-min
+
+      - name: check default
+        run: just check-default
+
+      - name: tests
+        timeout-minutes: 60
+        run: just test
+
+      - name: CI cache clean
+        run: cargo-ci-cache-clean
+
+  ci_feature_powerset_check:
+    name: Verify Feature Combinations
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Free Disk Space
+        run: ./scripts/free-disk-space.sh
+
+      - name: Setup mold linker
+        uses: rui314/setup-mold@v1
+
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+
+      - name: Install just, cargo-hack
+        uses: taiki-e/install-action@v2.49.17
+        with:
+          tool: just,cargo-hack
+
+      - name: Check feature combinations
+        run: just check-feature-combinations

.github/workflows/ci.yml

@@ -0,0 +1,121 @@
+name: CI
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+  merge_group:
+    types: [checks_requested]
+  push:
+    branches: [master]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  read_msrv:
+    name: Read MSRV
+    uses: actions-rust-lang/msrv/.github/workflows/msrv.yml@v0.1.0
+
+  build_and_test:
+    needs: read_msrv
+
+    strategy:
+      fail-fast: false
+      matrix:
+        # prettier-ignore
+        target:
+          - { name: Linux, os: ubuntu-latest, triple: x86_64-unknown-linux-gnu }
+          - { name: macOS, os: macos-latest, triple: x86_64-apple-darwin }
+          - { name: Windows, os: windows-latest, triple: x86_64-pc-windows-msvc }
+        version:
+          - { name: msrv, version: "${{ needs.read_msrv.outputs.msrv }}" }
+          - { name: stable, version: stable }
+
+    name: ${{ matrix.target.name }} / ${{ matrix.version.name }}
+    runs-on: ${{ matrix.target.os }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install nasm
+        if: matrix.target.os == 'windows-latest'
+        uses: ilammy/setup-nasm@v1.5.2
+
+      - name: Install OpenSSL
+        if: matrix.target.os == 'windows-latest'
+        shell: bash
+        run: |
+          set -e
+          choco install openssl --version=1.1.1.2100 -y --no-progress
+          echo 'OPENSSL_DIR=C:\Program Files\OpenSSL' >> $GITHUB_ENV
+          echo "RUSTFLAGS=-C target-feature=+crt-static" >> $GITHUB_ENV
+
+      - name: Setup mold linker
+        if: matrix.target.os == 'ubuntu-latest'
+        uses: rui314/setup-mold@v1
+
+      - name: Install Rust (${{ matrix.version.name }})
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          toolchain: ${{ matrix.version.version }}
+
+      - name: Install just, cargo-hack, cargo-nextest, cargo-ci-cache-clean
+        uses: taiki-e/install-action@v2.49.17
+        with:
+          tool: just,cargo-hack,cargo-nextest,cargo-ci-cache-clean
+
+      - name: workaround MSRV issues
+        if: matrix.version.name == 'msrv'
+        run: just downgrade-for-msrv
+
+      - name: check minimal
+        run: just check-min
+
+      - name: check default
+        run: just check-default
+
+      - name: tests
+        timeout-minutes: 60
+        run: just test
+
+      - name: CI cache clean
+        run: cargo-ci-cache-clean
+
+  io-uring:
+    name: io-uring tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          toolchain: nightly
+
+      - name: tests (io-uring)
+        timeout-minutes: 60
+        run: >
+          sudo bash -c "ulimit -Sl 512 && ulimit -Hl 512 && PATH=$PATH:/usr/share/rust/.cargo/bin && RUSTUP_TOOLCHAIN=stable cargo test --lib --tests -p=actix-files --all-features"
+
+  rustdoc:
+    name: doc tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust (nightly)
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          toolchain: nightly
+
+      - name: Install just
+        uses: taiki-e/install-action@v2.49.17
+        with:
+          tool: just
+
+      - name: doc tests
+        run: just test-docs

.github/workflows/coverage.yml

@@ -0,0 +1,40 @@
+name: Coverage
+
+on:
+  push:
+    branches: [master]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust (nightly)
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          toolchain: nightly
+          components: llvm-tools
+
+      - name: Install just, cargo-llvm-cov, cargo-nextest
+        uses: taiki-e/install-action@v2.49.17
+        with:
+          tool: just,cargo-llvm-cov,cargo-nextest
+
+      - name: Generate code coverage
+        run: just test-coverage-codecov
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5.4.0
+        with:
+          files: codecov.json
+          fail_ci_if_error: true
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/lint.yml

@@ -0,0 +1,90 @@
+name: Lint
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust (nightly)
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          toolchain: nightly
+          components: rustfmt
+
+      - name: Check with Rustfmt
+        run: cargo fmt --all -- --check
+
+  clippy:
+    permissions:
+      contents: read
+      checks: write # to add clippy checks to PR diffs
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          components: clippy
+
+      - name: Check with Clippy
+        uses: giraffate/clippy-action@v1.0.1
+        with:
+          reporter: github-pr-check
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          clippy_flags: >-
+            --workspace --all-features --tests --examples --bins --
+            -A unknown_lints -D clippy::todo -D clippy::dbg_macro
+
+  lint-docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust (nightly)
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          toolchain: nightly
+          components: rust-docs
+
+      - name: Check for broken intra-doc links
+        env:
+          RUSTDOCFLAGS: -D warnings
+        run: cargo +nightly doc --no-deps --workspace --all-features
+
+  check-external-types:
+    if: false # rustdoc mismatch currently
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust (${{ vars.RUST_VERSION_EXTERNAL_TYPES }})
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          toolchain: ${{ vars.RUST_VERSION_EXTERNAL_TYPES }}
+
+      - name: Install just
+        uses: taiki-e/install-action@v2.49.17
+        with:
+          tool: just
+
+      - name: Install cargo-check-external-types
+        uses: taiki-e/cache-cargo-install-action@v2.1.1
+        with:
+          tool: cargo-check-external-types
+
+      - name: check external types
+        run: just check-external-types-all +${{ vars.RUST_VERSION_EXTERNAL_TYPES }}

.gitignore

@@ -9,6 +9,17 @@ guide/build/
 *.pid
 *.sock
 *~
+.DS_Store
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
+
+# Configuration directory generated by CLion
+.idea
+
+# Configuration directory generated by VSCode
+.vscode
+
+# code coverage
+/lcov.info
+/codecov.json

.prettierrc.yml

@@ -0,0 +1,5 @@
+overrides:
+  - files: "*.md"
+    options:
+      printWidth: 9999
+      proseWrap: never

.rustfmt.toml

@@ -0,0 +1,3 @@
+group_imports = "StdExternalCrate"
+imports_granularity = "Crate"
+use_field_init_shorthand = true

.travis.yml

@@ -1,55 +0,0 @@
-language: rust
-sudo: required
-dist: trusty
-
-cache:
-  cargo: true
-  apt: true
-
-matrix:
-  include:
-    - rust: stable
-    - rust: beta
-    - rust: nightly
-  allow_failures:
-    - rust: nightly
-
-env:
-  global:
-    - RUSTFLAGS="-C link-dead-code"
-    - OPENSSL_VERSION=openssl-1.0.2
-
-before_install:
-  - sudo add-apt-repository -y ppa:0k53d-karl-f830m/openssl
-  - sudo apt-get update -qq
-  - sudo apt-get install -y openssl libssl-dev libelf-dev libdw-dev cmake gcc binutils-dev libiberty-dev
-
-# Add clippy
-before_script:
-  - export PATH=$PATH:~/.cargo/bin
-
-script:
-  - |
-    if [[ "$TRAVIS_RUST_VERSION" != "nightly" ]]; then
-    cargo clean
-    cargo test --features="ssl,tls,rust-tls" -- --nocapture
-    cd actix-codec && cargo test && cd ..
-    cd actix-service && cargo test && cd ..
-    cd actix-server && cargo test --features="ssl,tls,rust-tls" -- --nocapture && cd ..
-    cd actix-rt && cargo test && cd ..
-    cd actix-connector && cargo test && cd ..
-    cd actix-utils && cargo test && cd ..
-    fi
-  - |
-    if [[ "$TRAVIS_RUST_VERSION" == "nightly" ]]; then
-    RUSTFLAGS="--cfg procmacro2_semver_exempt" cargo install -f cargo-tarpaulin
-    cargo tarpaulin --features="ssl,tls,rust-tls" --out Xml
-    bash <(curl -s https://codecov.io/bash)
-    echo "Uploaded code coverage"
-    cd actix-service && cargo tarpaulin --out Xml && bash <(curl -s https://codecov.io/bash) && cd ..
-    cd actix-rt && cargo tarpaulin --out Xml && bash <(curl -s https://codecov.io/bash) && cd ..
-    cd actix-connector && cargo tarpaulin --out Xml && bash <(curl -s https://codecov.io/bash) && cd ..
-    cd actix-codec && cargo tarpaulin --out Xml && bash <(curl -s https://codecov.io/bash) && cd ..
-    cd actix-server && cargo tarpaulin --out Xml && bash <(curl -s https://codecov.io/bash) && cd ..
-    cd actix-utils && cargo tarpaulin --out Xml && bash <(curl -s https://codecov.io/bash) && cd ..
-    fi

CHANGES.md

@@ -1,68 +1,5 @@
-# Changes
+# Changelog
 
-## [0.3.0] - xxx
+Changelogs are kept separately for each crate in this repo.
 
-* Split `Service` trait to separate crate
-
-* Use new `Service<Request>` trait
-
-
-## [0.2.4] - 2018-11-21
-
-### Added
-
-* Allow to skip name resolution stage in Connector
-
-
-## [0.2.3] - 2018-11-17
-
-### Added
-
-* Framed::is_write_buf_empty() checks if write buffer is flushed
-
-## [0.2.2] - 2018-11-14
-
-### Added
-
-* Add low/high caps to Framed
-
-### Changed
-
-* Refactor Connector and Resolver services
-
-
-### Fixed
-
-* Fix wrong service to socket binding
-
-
-## [0.2.0] - 2018-11-08
-
-### Added
-
-* Timeout service
-
-* Added ServiceConfig and ServiceRuntime for server service configuration
-
-
-### Changed
-
-* Connector has been refactored
-
-* timer and LowResTimer renamed to time and LowResTime
-
-* Refactored `Server::configure()` method
-
-
-## [0.1.1] - 2018-10-10
-
-### Changed
-
-- Set actix min version - 0.7.5
-
-- Set trust-dns min version
-
-
-## [0.1.0] - 2018-10-08
-
-* Initial impl
+Actix Web changelog [is now here &rarr;](./actix-web/CHANGES.md).

CODE_OF_CONDUCT.md

@@ -8,19 +8,19 @@ In the interest of fostering an open and welcoming environment, we as contributo
 
 Examples of behavior that contributes to creating a positive environment include:
 
-* Using welcoming and inclusive language
-* Being respectful of differing viewpoints and experiences
-* Gracefully accepting constructive criticism
-* Focusing on what is best for the community
-* Showing empathy towards other community members
+- Using welcoming and inclusive language
+- Being respectful of differing viewpoints and experiences
+- Gracefully accepting constructive criticism
+- Focusing on what is best for the community
+- Showing empathy towards other community members
 
 Examples of unacceptable behavior by participants include:
 
-* The use of sexualized language or imagery and unwelcome sexual attention or advances
-* Trolling, insulting/derogatory comments, and personal or political attacks
-* Public or private harassment
-* Publishing others' private information, such as a physical or electronic address, without explicit permission
-* Other conduct which could reasonably be considered inappropriate in a professional setting
+- The use of sexualized language or imagery and unwelcome sexual attention or advances
+- Trolling, insulting/derogatory comments, and personal or political attacks
+- Public or private harassment
+- Publishing others' private information, such as a physical or electronic address, without explicit permission
+- Other conduct which could reasonably be considered inappropriate in a professional setting
 
 ## Our Responsibilities
 
@@ -34,10 +34,13 @@ This Code of Conduct applies both within project spaces and in public spaces whe
 
 ## Enforcement
 
-Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at fafhrd91@gmail.com. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
+Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at robjtede@icloud.com ([@robjtede]) or huyuumi@neet.club ([@JohnTitor]). The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
 
 Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership.
 
+[@robjtede]: https://github.com/robjtede
+[@JohnTitor]: https://github.com/JohnTitor
+
 ## Attribution
 
 This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version]

Cargo.toml

@@ -1,34 +1,61 @@
-[package]
-name = "actix-net"
-version = "0.3.0"
-authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
-description = "Actix net - framework for the compisible network services for Rust (experimental)"
-readme = "README.md"
-keywords = ["network", "framework", "async", "futures"]
-homepage = "https://actix.rs"
-repository = "https://github.com/actix/actix-net.git"
-documentation = "https://docs.rs/actix-net/"
-categories = ["network-programming", "asynchronous"]
-license = "MIT/Apache-2.0"
-exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
-edition = "2018"
-
 [workspace]
+resolver = "2"
 members = [
-  "actix-codec",
-  "actix-connector",
-  "actix-service",
-  "actix-server",
-  "actix-rt",
-  "actix-utils",
+    "actix-files",
+    "actix-http-test",
+    "actix-http",
+    "actix-multipart",
+    "actix-multipart-derive",
+    "actix-router",
+    "actix-test",
+    "actix-web-actors",
+    "actix-web-codegen",
+    "actix-web",
+    "awc",
 ]
 
-[dev-dependencies]
-actix-service = "0.1.1"
-actix-codec = "0.1.0"
-actix-rt = { path="actix-rt" }
-actix-server = { path="actix-server", features=["ssl"] }
-env_logger = "0.5"
-futures = "0.1.24"
-openssl = { version="0.10" }
-tokio-openssl = { version="0.3" }
+[workspace.package]
+homepage = "https://actix.rs"
+repository = "https://github.com/actix/actix-web"
+license = "MIT OR Apache-2.0"
+edition = "2021"
+rust-version = "1.75"
+
+[profile.dev]
+# Disabling debug info speeds up builds a bunch and we don't rely on it for debugging that much.
+debug = 0
+
+[profile.release]
+lto = true
+opt-level = 3
+codegen-units = 1
+
+[patch.crates-io]
+actix-files = { path = "actix-files" }
+actix-http = { path = "actix-http" }
+actix-http-test = { path = "actix-http-test" }
+actix-multipart = { path = "actix-multipart" }
+actix-multipart-derive = { path = "actix-multipart-derive" }
+actix-router = { path = "actix-router" }
+actix-test = { path = "actix-test" }
+actix-web = { path = "actix-web" }
+actix-web-actors = { path = "actix-web-actors" }
+actix-web-codegen = { path = "actix-web-codegen" }
+awc = { path = "awc" }
+
+# uncomment for quick testing against local actix-net repo
+# actix-service = { path = "../actix-net/actix-service" }
+# actix-macros = { path = "../actix-net/actix-macros" }
+# actix-rt = { path = "../actix-net/actix-rt" }
+# actix-codec = { path = "../actix-net/actix-codec" }
+# actix-utils = { path = "../actix-net/actix-utils" }
+# actix-tls = { path = "../actix-net/actix-tls" }
+# actix-server = { path = "../actix-net/actix-server" }
+
+[workspace.lints.rust]
+rust_2018_idioms = { level = "deny" }
+future_incompatible = { level = "deny" }
+nonstandard_style = { level = "deny" }
+
+[workspace.lints.clippy]
+# clone_on_ref_ptr = { level = "deny" }

LICENSE-APACHE

@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2017-NOW Nikolay Kim
+   Copyright 2017-NOW Actix Team
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

LICENSE-MIT

@@ -1,4 +1,4 @@
-Copyright (c) 2017 Nikolay Kim
+Copyright (c) 2017-NOW Actix Team
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated

README.md

@@ -1,76 +0,0 @@
-# Actix net [![Build Status](https://travis-ci.org/actix/actix-net.svg?branch=master)](https://travis-ci.org/actix/actix-net) [![codecov](https://codecov.io/gh/actix/actix-net/branch/master/graph/badge.svg)](https://codecov.io/gh/actix/actix-net) [![crates.io](https://meritbadge.herokuapp.com/actix-net)](https://crates.io/crates/actix-net) [![Join the chat at https://gitter.im/actix/actix](https://badges.gitter.im/actix/actix.svg)](https://gitter.im/actix/actix?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-
-Actix net - framework for composable network services (experimental)
-
-## Documentation & community resources
-
-* [API Documentation (Development)](https://actix.rs/actix-net/actix_net/)
-* [Chat on gitter](https://gitter.im/actix/actix)
-* Cargo package: [actix-net](https://crates.io/crates/actix-net)
-* Minimum supported Rust version: 1.26 or later
-
-## Example
-
-```rust
-fn main() {
-    let sys = actix_rt::System::new("test");
-
-    // load ssl keys
-    let mut builder = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();
-    builder.set_private_key_file("./examples/key.pem", SslFiletype::PEM).unwrap();
-    builder.set_certificate_chain_file("./examples/cert.pem").unwrap();
-    let acceptor = builder.build();
-
-    let num = Arc::new(AtomicUsize::new(0));
-
-    // bind socket address and start workers. By default server uses number of
-    // available logical cpu as threads count. actix net start separate
-    // instances of service pipeline in each worker.
-    actix_server::build()
-        .bind(
-            // configure service pipeline
-            "basic", "0.0.0.0:8443",
-            move || {
-                let num = num.clone();
-                let acceptor = acceptor.clone();
-
-                // service for converting incoming TcpStream to a SslStream<TcpStream>
-                (move |stream| {
-                SslAcceptorExt::accept_async(&acceptor, stream)
-                    .map_err(|e| println!("Openssl error: {}", e))
-            })
-            // convert closure to a `NewService`
-            .into_new_service()
-
-            // .and_then() combinator uses other service to convert incoming `Request` to a `Response`
-            // and then uses that response as an input for next service.
-            // in this case, on success we use `logger` service
-            .and_then(logger)
-
-            // Next service counts number of connections
-            .and_then(move |req| {
-                let num = num.fetch_add(1, Ordering::Relaxed);
-                println!("processed {:?} connections", num);
-                future::ok(())
-            })
-        }).unwrap()
-        .start();
-
-    sys.run();
-}
-```
-
-## License
-
-This project is licensed under either of
-
-* Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or [http://www.apache.org/licenses/LICENSE-2.0](http://www.apache.org/licenses/LICENSE-2.0))
-* MIT license ([LICENSE-MIT](LICENSE-MIT) or [http://opensource.org/licenses/MIT](http://opensource.org/licenses/MIT))
-
-at your option.
-
-## Code of Conduct
-
-Contribution to the actix-net crate is organized under the terms of the
-Contributor Covenant, the maintainer of actix-net, @fafhrd91, promises to
-intervene to uphold that code of conduct.

README.md

@@ -0,0 +1 @@
+actix-web/README.md

actix-codec/CHANGES.md

@@ -1,5 +0,0 @@
-# Changes
-
-## [0.1.0] - 2018-12-09
-
-* Move codec to separate crate

actix-codec/Cargo.toml

@@ -1,25 +0,0 @@
-[package]
-name = "actix-codec"
-version = "0.1.0"
-authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
-description = "Utilities for encoding and decoding frames"
-keywords = ["network", "framework", "async", "futures"]
-homepage = "https://actix.rs"
-repository = "https://github.com/actix/actix-net.git"
-documentation = "https://docs.rs/actix-codec/"
-categories = ["network-programming", "asynchronous"]
-license = "MIT/Apache-2.0"
-exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
-edition = "2018"
-workspace = "../"
-
-[lib]
-name = "actix_codec"
-path = "src/lib.rs"
-
-[dependencies]
-bytes = "0.4"
-futures = "0.1.24"
-tokio-io = "0.1"
-tokio-codec = "0.1"
-log = "0.4"

actix-codec/src/bcodec.rs

@@ -1,33 +0,0 @@
-use std::io;
-
-use bytes::{Bytes, BytesMut};
-use tokio_codec::{Decoder, Encoder};
-
-/// Bytes codec.
-///
-/// Reads/Writes chunks of bytes from a stream.
-#[derive(Debug, Copy, Clone)]
-pub struct BytesCodec;
-
-impl Encoder for BytesCodec {
-    type Item = Bytes;
-    type Error = io::Error;
-
-    fn encode(&mut self, item: Bytes, dst: &mut BytesMut) -> Result<(), Self::Error> {
-        dst.extend_from_slice(&item[..]);
-        Ok(())
-    }
-}
-
-impl Decoder for BytesCodec {
-    type Item = BytesMut;
-    type Error = io::Error;
-
-    fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
-        if src.is_empty() {
-            Ok(None)
-        } else {
-            Ok(Some(src.take()))
-        }
-    }
-}

actix-codec/src/framed.rs

@@ -1,352 +0,0 @@
-#![allow(deprecated)]
-
-use std::fmt;
-use std::io::{self, Read, Write};
-
-use bytes::BytesMut;
-use futures::{Poll, Sink, StartSend, Stream};
-use tokio_codec::{Decoder, Encoder};
-use tokio_io::{AsyncRead, AsyncWrite};
-
-use super::framed_read::{framed_read2, framed_read2_with_buffer, FramedRead2};
-use super::framed_write::{framed_write2, framed_write2_with_buffer, FramedWrite2};
-
-const LW: usize = 1024;
-const HW: usize = 8 * 1024;
-
-/// A unified `Stream` and `Sink` interface to an underlying I/O object, using
-/// the `Encoder` and `Decoder` traits to encode and decode frames.
-///
-/// You can create a `Framed` instance by using the `AsyncRead::framed` adapter.
-pub struct Framed<T, U> {
-    inner: FramedRead2<FramedWrite2<Fuse<T, U>>>,
-}
-
-pub struct Fuse<T, U>(pub T, pub U);
-
-impl<T, U> Framed<T, U>
-where
-    T: AsyncRead + AsyncWrite,
-    U: Decoder + Encoder,
-{
-    /// Provides a `Stream` and `Sink` interface for reading and writing to this
-    /// `Io` object, using `Decode` and `Encode` to read and write the raw data.
-    ///
-    /// Raw I/O objects work with byte sequences, but higher-level code usually
-    /// wants to batch these into meaningful chunks, called "frames". This
-    /// method layers framing on top of an I/O object, by using the `Codec`
-    /// traits to handle encoding and decoding of messages frames. Note that
-    /// the incoming and outgoing frame types may be distinct.
-    ///
-    /// This function returns a *single* object that is both `Stream` and
-    /// `Sink`; grouping this into a single object is often useful for layering
-    /// things like gzip or TLS, which require both read and write access to the
-    /// underlying object.
-    ///
-    /// If you want to work more directly with the streams and sink, consider
-    /// calling `split` on the `Framed` returned by this method, which will
-    /// break them into separate objects, allowing them to interact more easily.
-    pub fn new(inner: T, codec: U) -> Framed<T, U> {
-        Framed {
-            inner: framed_read2(framed_write2(Fuse(inner, codec), LW, HW)),
-        }
-    }
-
-    /// Same as `Framed::new()` with ability to specify write buffer low/high capacity watermarks.
-    pub fn new_with_caps(inner: T, codec: U, lw: usize, hw: usize) -> Framed<T, U> {
-        debug_assert!((lw < hw) && hw != 0);
-        Framed {
-            inner: framed_read2(framed_write2(Fuse(inner, codec), lw, hw)),
-        }
-    }
-
-    /// Force send item
-    pub fn force_send(
-        &mut self,
-        item: <U as Encoder>::Item,
-    ) -> Result<(), <U as Encoder>::Error> {
-        self.inner.get_mut().force_send(item)
-    }
-}
-
-impl<T, U> Framed<T, U> {
-    /// Provides a `Stream` and `Sink` interface for reading and writing to this
-    /// `Io` object, using `Decode` and `Encode` to read and write the raw data.
-    ///
-    /// Raw I/O objects work with byte sequences, but higher-level code usually
-    /// wants to batch these into meaningful chunks, called "frames". This
-    /// method layers framing on top of an I/O object, by using the `Codec`
-    /// traits to handle encoding and decoding of messages frames. Note that
-    /// the incoming and outgoing frame types may be distinct.
-    ///
-    /// This function returns a *single* object that is both `Stream` and
-    /// `Sink`; grouping this into a single object is often useful for layering
-    /// things like gzip or TLS, which require both read and write access to the
-    /// underlying object.
-    ///
-    /// This objects takes a stream and a readbuffer and a writebuffer. These
-    /// field can be obtained from an existing `Framed` with the
-    /// `into_parts` method.
-    ///
-    /// If you want to work more directly with the streams and sink, consider
-    /// calling `split` on the `Framed` returned by this method, which will
-    /// break them into separate objects, allowing them to interact more easily.
-    pub fn from_parts(parts: FramedParts<T, U>) -> Framed<T, U> {
-        Framed {
-            inner: framed_read2_with_buffer(
-                framed_write2_with_buffer(
-                    Fuse(parts.io, parts.codec),
-                    parts.write_buf,
-                    parts.write_buf_lw,
-                    parts.write_buf_hw,
-                ),
-                parts.read_buf,
-            ),
-        }
-    }
-
-    /// Returns a reference to the underlying codec.
-    pub fn get_codec(&self) -> &U {
-        &self.inner.get_ref().get_ref().1
-    }
-
-    /// Returns a mutable reference to the underlying codec.
-    pub fn get_codec_mut(&mut self) -> &mut U {
-        &mut self.inner.get_mut().get_mut().1
-    }
-
-    /// Returns a reference to the underlying I/O stream wrapped by
-    /// `Frame`.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn get_ref(&self) -> &T {
-        &self.inner.get_ref().get_ref().0
-    }
-
-    /// Returns a mutable reference to the underlying I/O stream wrapped by
-    /// `Frame`.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn get_mut(&mut self) -> &mut T {
-        &mut self.inner.get_mut().get_mut().0
-    }
-
-    /// Check if write buffer is empty.
-    pub fn is_write_buf_empty(&self) -> bool {
-        self.inner.get_ref().is_empty()
-    }
-
-    /// Check if write buffer is full.
-    pub fn is_write_buf_full(&self) -> bool {
-        self.inner.get_ref().is_full()
-    }
-
-    /// Consumes the `Frame`, returning its underlying I/O stream.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn into_inner(self) -> T {
-        self.inner.into_inner().into_inner().0
-    }
-
-    /// Consume the `Frame`, returning `Frame` with different codec.
-    pub fn into_framed<U2>(self, codec: U2) -> Framed<T, U2> {
-        let (inner, read_buf) = self.inner.into_parts();
-        let (inner, write_buf, lw, hw) = inner.into_parts();
-
-        Framed {
-            inner: framed_read2_with_buffer(
-                framed_write2_with_buffer(Fuse(inner.0, codec), write_buf, lw, hw),
-                read_buf,
-            ),
-        }
-    }
-
-    /// Consume the `Frame`, returning `Frame` with different codec.
-    pub fn map_codec<F, U2>(self, f: F) -> Framed<T, U2>
-    where
-        F: Fn(U) -> U2,
-    {
-        let (inner, read_buf) = self.inner.into_parts();
-        let (inner, write_buf, lw, hw) = inner.into_parts();
-
-        Framed {
-            inner: framed_read2_with_buffer(
-                framed_write2_with_buffer(Fuse(inner.0, f(inner.1)), write_buf, lw, hw),
-                read_buf,
-            ),
-        }
-    }
-
-    /// Consumes the `Frame`, returning its underlying I/O stream, the buffer
-    /// with unprocessed data, and the codec.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn into_parts(self) -> FramedParts<T, U> {
-        let (inner, read_buf) = self.inner.into_parts();
-        let (inner, write_buf, write_buf_lw, write_buf_hw) = inner.into_parts();
-
-        FramedParts {
-            io: inner.0,
-            codec: inner.1,
-            read_buf,
-            write_buf,
-            write_buf_lw,
-            write_buf_hw,
-            _priv: (),
-        }
-    }
-}
-
-impl<T, U> Stream for Framed<T, U>
-where
-    T: AsyncRead,
-    U: Decoder,
-{
-    type Item = U::Item;
-    type Error = U::Error;
-
-    fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
-        self.inner.poll()
-    }
-}
-
-impl<T, U> Sink for Framed<T, U>
-where
-    T: AsyncWrite,
-    U: Encoder,
-    U::Error: From<io::Error>,
-{
-    type SinkItem = U::Item;
-    type SinkError = U::Error;
-
-    fn start_send(
-        &mut self,
-        item: Self::SinkItem,
-    ) -> StartSend<Self::SinkItem, Self::SinkError> {
-        self.inner.get_mut().start_send(item)
-    }
-
-    fn poll_complete(&mut self) -> Poll<(), Self::SinkError> {
-        self.inner.get_mut().poll_complete()
-    }
-
-    fn close(&mut self) -> Poll<(), Self::SinkError> {
-        self.inner.get_mut().close()
-    }
-}
-
-impl<T, U> fmt::Debug for Framed<T, U>
-where
-    T: fmt::Debug,
-    U: fmt::Debug,
-{
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        f.debug_struct("Framed")
-            .field("io", &self.inner.get_ref().get_ref().0)
-            .field("codec", &self.inner.get_ref().get_ref().1)
-            .finish()
-    }
-}
-
-// ===== impl Fuse =====
-
-impl<T: Read, U> Read for Fuse<T, U> {
-    fn read(&mut self, dst: &mut [u8]) -> io::Result<usize> {
-        self.0.read(dst)
-    }
-}
-
-impl<T: AsyncRead, U> AsyncRead for Fuse<T, U> {
-    unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [u8]) -> bool {
-        self.0.prepare_uninitialized_buffer(buf)
-    }
-}
-
-impl<T: Write, U> Write for Fuse<T, U> {
-    fn write(&mut self, src: &[u8]) -> io::Result<usize> {
-        self.0.write(src)
-    }
-
-    fn flush(&mut self) -> io::Result<()> {
-        self.0.flush()
-    }
-}
-
-impl<T: AsyncWrite, U> AsyncWrite for Fuse<T, U> {
-    fn shutdown(&mut self) -> Poll<(), io::Error> {
-        self.0.shutdown()
-    }
-}
-
-impl<T, U: Decoder> Decoder for Fuse<T, U> {
-    type Item = U::Item;
-    type Error = U::Error;
-
-    fn decode(&mut self, buffer: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
-        self.1.decode(buffer)
-    }
-
-    fn decode_eof(&mut self, buffer: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
-        self.1.decode_eof(buffer)
-    }
-}
-
-impl<T, U: Encoder> Encoder for Fuse<T, U> {
-    type Item = U::Item;
-    type Error = U::Error;
-
-    fn encode(&mut self, item: Self::Item, dst: &mut BytesMut) -> Result<(), Self::Error> {
-        self.1.encode(item, dst)
-    }
-}
-
-/// `FramedParts` contains an export of the data of a Framed transport.
-/// It can be used to construct a new `Framed` with a different codec.
-/// It contains all current buffers and the inner transport.
-#[derive(Debug)]
-pub struct FramedParts<T, U> {
-    /// The inner transport used to read bytes to and write bytes to
-    pub io: T,
-
-    /// The codec
-    pub codec: U,
-
-    /// The buffer with read but unprocessed data.
-    pub read_buf: BytesMut,
-
-    /// A buffer with unprocessed data which are not written yet.
-    pub write_buf: BytesMut,
-
-    /// A buffer low watermark capacity
-    pub write_buf_lw: usize,
-
-    /// A buffer high watermark capacity
-    pub write_buf_hw: usize,
-
-    /// This private field allows us to add additional fields in the future in a
-    /// backwards compatible way.
-    _priv: (),
-}
-
-impl<T, U> FramedParts<T, U> {
-    /// Create a new, default, `FramedParts`
-    pub fn new(io: T, codec: U) -> FramedParts<T, U> {
-        FramedParts {
-            io,
-            codec,
-            read_buf: BytesMut::new(),
-            write_buf: BytesMut::new(),
-            write_buf_lw: LW,
-            write_buf_hw: HW,
-            _priv: (),
-        }
-    }
-}

actix-codec/src/framed_read.rs

@@ -1,218 +0,0 @@
-use std::fmt;
-
-use bytes::BytesMut;
-use futures::{try_ready, Async, Poll, Sink, StartSend, Stream};
-use log::trace;
-use tokio_codec::Decoder;
-use tokio_io::AsyncRead;
-
-use super::framed::Fuse;
-
-/// A `Stream` of messages decoded from an `AsyncRead`.
-pub struct FramedRead<T, D> {
-    inner: FramedRead2<Fuse<T, D>>,
-}
-
-pub struct FramedRead2<T> {
-    inner: T,
-    eof: bool,
-    is_readable: bool,
-    buffer: BytesMut,
-}
-
-const INITIAL_CAPACITY: usize = 8 * 1024;
-
-// ===== impl FramedRead =====
-
-impl<T, D> FramedRead<T, D>
-where
-    T: AsyncRead,
-    D: Decoder,
-{
-    /// Creates a new `FramedRead` with the given `decoder`.
-    pub fn new(inner: T, decoder: D) -> FramedRead<T, D> {
-        FramedRead {
-            inner: framed_read2(Fuse(inner, decoder)),
-        }
-    }
-}
-
-impl<T, D> FramedRead<T, D> {
-    /// Returns a reference to the underlying I/O stream wrapped by
-    /// `FramedRead`.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn get_ref(&self) -> &T {
-        &self.inner.inner.0
-    }
-
-    /// Returns a mutable reference to the underlying I/O stream wrapped by
-    /// `FramedRead`.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn get_mut(&mut self) -> &mut T {
-        &mut self.inner.inner.0
-    }
-
-    /// Consumes the `FramedRead`, returning its underlying I/O stream.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn into_inner(self) -> T {
-        self.inner.inner.0
-    }
-
-    /// Returns a reference to the underlying decoder.
-    pub fn decoder(&self) -> &D {
-        &self.inner.inner.1
-    }
-
-    /// Returns a mutable reference to the underlying decoder.
-    pub fn decoder_mut(&mut self) -> &mut D {
-        &mut self.inner.inner.1
-    }
-}
-
-impl<T, D> Stream for FramedRead<T, D>
-where
-    T: AsyncRead,
-    D: Decoder,
-{
-    type Item = D::Item;
-    type Error = D::Error;
-
-    fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
-        self.inner.poll()
-    }
-}
-
-impl<T, D> Sink for FramedRead<T, D>
-where
-    T: Sink,
-{
-    type SinkItem = T::SinkItem;
-    type SinkError = T::SinkError;
-
-    fn start_send(
-        &mut self,
-        item: Self::SinkItem,
-    ) -> StartSend<Self::SinkItem, Self::SinkError> {
-        self.inner.inner.0.start_send(item)
-    }
-
-    fn poll_complete(&mut self) -> Poll<(), Self::SinkError> {
-        self.inner.inner.0.poll_complete()
-    }
-
-    fn close(&mut self) -> Poll<(), Self::SinkError> {
-        self.inner.inner.0.close()
-    }
-}
-
-impl<T, D> fmt::Debug for FramedRead<T, D>
-where
-    T: fmt::Debug,
-    D: fmt::Debug,
-{
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        f.debug_struct("FramedRead")
-            .field("inner", &self.inner.inner.0)
-            .field("decoder", &self.inner.inner.1)
-            .field("eof", &self.inner.eof)
-            .field("is_readable", &self.inner.is_readable)
-            .field("buffer", &self.inner.buffer)
-            .finish()
-    }
-}
-
-// ===== impl FramedRead2 =====
-
-pub fn framed_read2<T>(inner: T) -> FramedRead2<T> {
-    FramedRead2 {
-        inner,
-        eof: false,
-        is_readable: false,
-        buffer: BytesMut::with_capacity(INITIAL_CAPACITY),
-    }
-}
-
-pub fn framed_read2_with_buffer<T>(inner: T, mut buf: BytesMut) -> FramedRead2<T> {
-    if buf.capacity() < INITIAL_CAPACITY {
-        let bytes_to_reserve = INITIAL_CAPACITY - buf.capacity();
-        buf.reserve(bytes_to_reserve);
-    }
-    FramedRead2 {
-        inner,
-        eof: false,
-        is_readable: !buf.is_empty(),
-        buffer: buf,
-    }
-}
-
-impl<T> FramedRead2<T> {
-    pub fn get_ref(&self) -> &T {
-        &self.inner
-    }
-
-    pub fn into_inner(self) -> T {
-        self.inner
-    }
-
-    pub fn into_parts(self) -> (T, BytesMut) {
-        (self.inner, self.buffer)
-    }
-
-    pub fn get_mut(&mut self) -> &mut T {
-        &mut self.inner
-    }
-}
-
-impl<T> Stream for FramedRead2<T>
-where
-    T: AsyncRead + Decoder,
-{
-    type Item = T::Item;
-    type Error = T::Error;
-
-    fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
-        loop {
-            // Repeatedly call `decode` or `decode_eof` as long as it is
-            // "readable". Readable is defined as not having returned `None`. If
-            // the upstream has returned EOF, and the decoder is no longer
-            // readable, it can be assumed that the decoder will never become
-            // readable again, at which point the stream is terminated.
-            if self.is_readable {
-                if self.eof {
-                    let frame = self.inner.decode_eof(&mut self.buffer)?;
-                    return Ok(Async::Ready(frame));
-                }
-
-                trace!("attempting to decode a frame");
-
-                if let Some(frame) = self.inner.decode(&mut self.buffer)? {
-                    trace!("frame decoded from buffer");
-                    return Ok(Async::Ready(Some(frame)));
-                }
-
-                self.is_readable = false;
-            }
-
-            assert!(!self.eof);
-
-            // Otherwise, try to read more data and try again. Make sure we've
-            // got room for at least one byte to read to ensure that we don't
-            // get a spurious 0 that looks like EOF
-            self.buffer.reserve(1);
-            if 0 == try_ready!(self.inner.read_buf(&mut self.buffer)) {
-                self.eof = true;
-            }
-
-            self.is_readable = true;
-        }
-    }
-}

actix-codec/src/framed_write.rs

@@ -1,303 +0,0 @@
-use std::fmt;
-use std::io::{self, Read};
-
-use bytes::BytesMut;
-use futures::{try_ready, Async, AsyncSink, Poll, Sink, StartSend, Stream};
-use log::trace;
-use tokio_codec::{Decoder, Encoder};
-use tokio_io::{AsyncRead, AsyncWrite};
-
-use super::framed::Fuse;
-
-/// A `Sink` of frames encoded to an `AsyncWrite`.
-pub struct FramedWrite<T, E> {
-    inner: FramedWrite2<Fuse<T, E>>,
-}
-
-pub struct FramedWrite2<T> {
-    inner: T,
-    buffer: BytesMut,
-    low_watermark: usize,
-    high_watermark: usize,
-}
-
-impl<T, E> FramedWrite<T, E>
-where
-    T: AsyncWrite,
-    E: Encoder,
-{
-    /// Creates a new `FramedWrite` with the given `encoder`.
-    pub fn new(inner: T, encoder: E, lw: usize, hw: usize) -> FramedWrite<T, E> {
-        FramedWrite {
-            inner: framed_write2(Fuse(inner, encoder), lw, hw),
-        }
-    }
-}
-
-impl<T, E> FramedWrite<T, E> {
-    /// Returns a reference to the underlying I/O stream wrapped by
-    /// `FramedWrite`.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn get_ref(&self) -> &T {
-        &self.inner.inner.0
-    }
-
-    /// Returns a mutable reference to the underlying I/O stream wrapped by
-    /// `FramedWrite`.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn get_mut(&mut self) -> &mut T {
-        &mut self.inner.inner.0
-    }
-
-    /// Consumes the `FramedWrite`, returning its underlying I/O stream.
-    ///
-    /// Note that care should be taken to not tamper with the underlying stream
-    /// of data coming in as it may corrupt the stream of frames otherwise
-    /// being worked with.
-    pub fn into_inner(self) -> T {
-        self.inner.inner.0
-    }
-
-    /// Returns a reference to the underlying decoder.
-    pub fn encoder(&self) -> &E {
-        &self.inner.inner.1
-    }
-
-    /// Returns a mutable reference to the underlying decoder.
-    pub fn encoder_mut(&mut self) -> &mut E {
-        &mut self.inner.inner.1
-    }
-
-    /// Check if write buffer is full
-    pub fn is_full(&self) -> bool {
-        self.inner.is_full()
-    }
-
-    /// Check if write buffer is empty.
-    pub fn is_empty(&self) -> bool {
-        self.inner.is_empty()
-    }
-}
-
-impl<T, E> FramedWrite<T, E>
-where
-    E: Encoder,
-{
-    /// Force send item
-    pub fn force_send(&mut self, item: E::Item) -> Result<(), E::Error> {
-        self.inner.force_send(item)
-    }
-}
-
-impl<T, E> Sink for FramedWrite<T, E>
-where
-    T: AsyncWrite,
-    E: Encoder,
-{
-    type SinkItem = E::Item;
-    type SinkError = E::Error;
-
-    fn start_send(&mut self, item: E::Item) -> StartSend<E::Item, E::Error> {
-        self.inner.start_send(item)
-    }
-
-    fn poll_complete(&mut self) -> Poll<(), Self::SinkError> {
-        self.inner.poll_complete()
-    }
-
-    fn close(&mut self) -> Poll<(), Self::SinkError> {
-        Ok(self.inner.close()?)
-    }
-}
-
-impl<T, D> Stream for FramedWrite<T, D>
-where
-    T: Stream,
-{
-    type Item = T::Item;
-    type Error = T::Error;
-
-    fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
-        self.inner.inner.0.poll()
-    }
-}
-
-impl<T, U> fmt::Debug for FramedWrite<T, U>
-where
-    T: fmt::Debug,
-    U: fmt::Debug,
-{
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        f.debug_struct("FramedWrite")
-            .field("inner", &self.inner.get_ref().0)
-            .field("encoder", &self.inner.get_ref().1)
-            .field("buffer", &self.inner.buffer)
-            .finish()
-    }
-}
-
-// ===== impl FramedWrite2 =====
-
-pub fn framed_write2<T>(
-    inner: T,
-    low_watermark: usize,
-    high_watermark: usize,
-) -> FramedWrite2<T> {
-    FramedWrite2 {
-        inner,
-        low_watermark,
-        high_watermark,
-        buffer: BytesMut::with_capacity(high_watermark),
-    }
-}
-
-pub fn framed_write2_with_buffer<T>(
-    inner: T,
-    mut buffer: BytesMut,
-    low_watermark: usize,
-    high_watermark: usize,
-) -> FramedWrite2<T> {
-    if buffer.capacity() < high_watermark {
-        let bytes_to_reserve = high_watermark - buffer.capacity();
-        buffer.reserve(bytes_to_reserve);
-    }
-    FramedWrite2 {
-        inner,
-        buffer,
-        low_watermark,
-        high_watermark,
-    }
-}
-
-impl<T> FramedWrite2<T> {
-    pub fn get_ref(&self) -> &T {
-        &self.inner
-    }
-
-    pub fn into_inner(self) -> T {
-        self.inner
-    }
-
-    pub fn into_parts(self) -> (T, BytesMut, usize, usize) {
-        (
-            self.inner,
-            self.buffer,
-            self.low_watermark,
-            self.high_watermark,
-        )
-    }
-
-    pub fn get_mut(&mut self) -> &mut T {
-        &mut self.inner
-    }
-
-    pub fn is_full(&self) -> bool {
-        self.buffer.len() >= self.high_watermark
-    }
-
-    pub fn is_empty(&self) -> bool {
-        self.buffer.is_empty()
-    }
-}
-
-impl<T> FramedWrite2<T>
-where
-    T: Encoder,
-{
-    pub fn force_send(&mut self, item: T::Item) -> Result<(), T::Error> {
-        let len = self.buffer.len();
-        if len < self.low_watermark {
-            self.buffer.reserve(self.high_watermark - len)
-        }
-        self.inner.encode(item, &mut self.buffer)?;
-        Ok(())
-    }
-}
-
-impl<T> Sink for FramedWrite2<T>
-where
-    T: AsyncWrite + Encoder,
-{
-    type SinkItem = T::Item;
-    type SinkError = T::Error;
-
-    fn start_send(&mut self, item: T::Item) -> StartSend<T::Item, T::Error> {
-        // Check the buffer capacity
-        let len = self.buffer.len();
-        if len >= self.high_watermark {
-            return Ok(AsyncSink::NotReady(item));
-        }
-        if len < self.low_watermark {
-            self.buffer.reserve(self.high_watermark - len)
-        }
-
-        self.inner.encode(item, &mut self.buffer)?;
-
-        Ok(AsyncSink::Ready)
-    }
-
-    fn poll_complete(&mut self) -> Poll<(), Self::SinkError> {
-        trace!("flushing framed transport");
-
-        while !self.buffer.is_empty() {
-            trace!("writing; remaining={}", self.buffer.len());
-
-            let n = try_ready!(self.inner.poll_write(&self.buffer));
-
-            if n == 0 {
-                return Err(io::Error::new(
-                    io::ErrorKind::WriteZero,
-                    "failed to \
-                     write frame to transport",
-                )
-                .into());
-            }
-
-            // TODO: Add a way to `bytes` to do this w/o returning the drained
-            // data.
-            let _ = self.buffer.split_to(n);
-        }
-
-        // Try flushing the underlying IO
-        try_ready!(self.inner.poll_flush());
-
-        trace!("framed transport flushed");
-        Ok(Async::Ready(()))
-    }
-
-    fn close(&mut self) -> Poll<(), Self::SinkError> {
-        try_ready!(self.poll_complete());
-        Ok(self.inner.shutdown()?)
-    }
-}
-
-impl<T: Decoder> Decoder for FramedWrite2<T> {
-    type Item = T::Item;
-    type Error = T::Error;
-
-    fn decode(&mut self, src: &mut BytesMut) -> Result<Option<T::Item>, T::Error> {
-        self.inner.decode(src)
-    }
-
-    fn decode_eof(&mut self, src: &mut BytesMut) -> Result<Option<T::Item>, T::Error> {
-        self.inner.decode_eof(src)
-    }
-}
-
-impl<T: Read> Read for FramedWrite2<T> {
-    fn read(&mut self, dst: &mut [u8]) -> io::Result<usize> {
-        self.inner.read(dst)
-    }
-}
-
-impl<T: AsyncRead> AsyncRead for FramedWrite2<T> {
-    unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [u8]) -> bool {
-        self.inner.prepare_uninitialized_buffer(buf)
-    }
-}

actix-codec/src/lib.rs

@@ -1,24 +0,0 @@
-//! Utilities for encoding and decoding frames.
-//!
-//! Contains adapters to go from streams of bytes, [`AsyncRead`] and
-//! [`AsyncWrite`], to framed streams implementing [`Sink`] and [`Stream`].
-//! Framed streams are also known as [transports].
-//!
-//! [`AsyncRead`]: #
-//! [`AsyncWrite`]: #
-//! [`Sink`]: #
-//! [`Stream`]: #
-//! [transports]: #
-
-mod bcodec;
-mod framed;
-mod framed_read;
-mod framed_write;
-
-pub use self::bcodec::BytesCodec;
-pub use self::framed::{Framed, FramedParts};
-pub use self::framed_read::FramedRead;
-pub use self::framed_write::FramedWrite;
-
-pub use tokio_codec::{Decoder, Encoder};
-pub use tokio_io::{AsyncRead, AsyncWrite};

actix-connector/CHANGES.md

@@ -1,5 +0,0 @@
-# Changes
-
-## [0.1.0] - 2018-12-09
-
-* Move server to separate crate

actix-connector/Cargo.toml

@@ -1,40 +0,0 @@
-[package]
-name = "actix-connector"
-version = "0.1.0"
-authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
-description = "Actix Connector - tcp connector service"
-keywords = ["network", "framework", "async", "futures"]
-homepage = "https://actix.rs"
-repository = "https://github.com/actix/actix-net.git"
-documentation = "https://docs.rs/actix-net/"
-categories = ["network-programming", "asynchronous"]
-license = "MIT/Apache-2.0"
-exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
-edition = "2018"
-workspace = "../"
-
-[package.metadata.docs.rs]
-features = ["ssl"]
-
-[lib]
-name = "actix_connector"
-path = "src/lib.rs"
-
-[features]
-default = []
-
-# openssl
-ssl = ["openssl", "tokio-openssl"]
-
-[dependencies]
-actix-service = "0.1.1"
-actix-codec = "0.1.0"
-actix-rt = "0.1.0"
-futures = "0.1"
-tokio-tcp = "0.1"
-trust-dns-proto = "^0.5.0"
-trust-dns-resolver = "^0.10.0"
-
-# openssl
-openssl = { version="0.10", optional = true }
-tokio-openssl = { version="0.3", optional = true }

actix-connector/src/connector.rs

@@ -1,382 +0,0 @@
-use std::collections::VecDeque;
-use std::marker::PhantomData;
-use std::net::{IpAddr, SocketAddr};
-use std::time::Duration;
-use std::{fmt, io};
-
-use actix_service::{NewService, Service};
-use futures::future::{ok, Either, FutureResult};
-use futures::{try_ready, Async, Future, Poll};
-use tokio_tcp::{ConnectFuture, TcpStream};
-use trust_dns_resolver::config::{ResolverConfig, ResolverOpts};
-use trust_dns_resolver::system_conf::read_system_conf;
-
-use super::resolver::{RequestHost, ResolveError, Resolver, ResolverFuture};
-
-/// Port of the request
-pub trait RequestPort {
-    fn port(&self) -> u16;
-}
-
-// #[derive(Fail, Debug)]
-#[derive(Debug)]
-pub enum ConnectorError {
-    /// Failed to resolve the hostname
-    // #[fail(display = "Failed resolving hostname: {}", _0)]
-    Resolver(ResolveError),
-
-    /// No dns records
-    // #[fail(display = "No dns records found for the input")]
-    NoRecords,
-
-    /// Connecting took too long
-    // #[fail(display = "Timeout out while establishing connection")]
-    Timeout,
-
-    /// Invalid input
-    InvalidInput,
-
-    /// Connection io error
-    // #[fail(display = "{}", _0)]
-    IoError(io::Error),
-}
-
-impl From<ResolveError> for ConnectorError {
-    fn from(err: ResolveError) -> Self {
-        ConnectorError::Resolver(err)
-    }
-}
-
-impl From<io::Error> for ConnectorError {
-    fn from(err: io::Error) -> Self {
-        ConnectorError::IoError(err)
-    }
-}
-
-/// Connect request
-#[derive(Eq, PartialEq, Debug, Hash)]
-pub struct Connect {
-    pub kind: ConnectKind,
-    pub timeout: Duration,
-}
-
-#[derive(Eq, PartialEq, Debug, Hash)]
-pub enum ConnectKind {
-    Host { host: String, port: u16 },
-    Addr { host: String, addr: SocketAddr },
-}
-
-impl Connect {
-    /// Create new `Connect` instance.
-    pub fn new<T: AsRef<str>>(host: T, port: u16) -> Connect {
-        Connect {
-            kind: ConnectKind::Host {
-                host: host.as_ref().to_owned(),
-                port,
-            },
-            timeout: Duration::from_secs(1),
-        }
-    }
-
-    /// Create `Connect` instance by spliting the string by ':' and convert the second part to u16
-    pub fn with<T: AsRef<str>>(host: T) -> Result<Connect, ConnectorError> {
-        let mut parts_iter = host.as_ref().splitn(2, ':');
-        let host = parts_iter.next().ok_or(ConnectorError::InvalidInput)?;
-        let port_str = parts_iter.next().unwrap_or("");
-        let port = port_str
-            .parse::<u16>()
-            .map_err(|_| ConnectorError::InvalidInput)?;
-        Ok(Connect {
-            kind: ConnectKind::Host {
-                host: host.to_owned(),
-                port,
-            },
-            timeout: Duration::from_secs(1),
-        })
-    }
-
-    /// Create new `Connect` instance from host and address. Connector skips name resolution stage for such connect messages.
-    pub fn with_address<T: Into<String>>(host: T, addr: SocketAddr) -> Connect {
-        Connect {
-            kind: ConnectKind::Addr {
-                addr,
-                host: host.into(),
-            },
-            timeout: Duration::from_secs(1),
-        }
-    }
-
-    /// Set connect timeout
-    ///
-    /// By default timeout is set to a 1 second.
-    pub fn timeout(mut self, timeout: Duration) -> Connect {
-        self.timeout = timeout;
-        self
-    }
-}
-
-impl RequestHost for Connect {
-    fn host(&self) -> &str {
-        match self.kind {
-            ConnectKind::Host { ref host, .. } => host,
-            ConnectKind::Addr { ref host, .. } => host,
-        }
-    }
-}
-
-impl RequestPort for Connect {
-    fn port(&self) -> u16 {
-        match self.kind {
-            ConnectKind::Host { port, .. } => port,
-            ConnectKind::Addr { addr, .. } => addr.port(),
-        }
-    }
-}
-
-impl fmt::Display for Connect {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "{}:{}", self.host(), self.port())
-    }
-}
-
-/// Tcp connector
-pub struct Connector {
-    resolver: Resolver<Connect>,
-}
-
-impl Default for Connector {
-    fn default() -> Self {
-        let (cfg, opts) = if let Ok((cfg, opts)) = read_system_conf() {
-            (cfg, opts)
-        } else {
-            (ResolverConfig::default(), ResolverOpts::default())
-        };
-
-        Connector::new(cfg, opts)
-    }
-}
-
-impl Connector {
-    /// Create new connector with resolver configuration
-    pub fn new(cfg: ResolverConfig, opts: ResolverOpts) -> Self {
-        Connector {
-            resolver: Resolver::new(cfg, opts),
-        }
-    }
-
-    /// Create new connector with custom resolver
-    pub fn with_resolver(
-        resolver: Resolver<Connect>,
-    ) -> impl Service<Connect, Response = (Connect, TcpStream), Error = ConnectorError> + Clone
-    {
-        Connector { resolver }
-    }
-
-    /// Create new default connector service
-    pub fn new_service_with_config<E>(
-        cfg: ResolverConfig,
-        opts: ResolverOpts,
-    ) -> impl NewService<
-        Connect,
-        Response = (Connect, TcpStream),
-        Error = ConnectorError,
-        InitError = E,
-    > + Clone {
-        move || -> FutureResult<Connector, E> { ok(Connector::new(cfg.clone(), opts)) }
-    }
-}
-
-impl Clone for Connector {
-    fn clone(&self) -> Self {
-        Connector {
-            resolver: self.resolver.clone(),
-        }
-    }
-}
-
-impl Service<Connect> for Connector {
-    type Response = (Connect, TcpStream);
-    type Error = ConnectorError;
-    type Future = Either<ConnectorFuture, ConnectorTcpFuture>;
-
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
-    }
-
-    fn call(&mut self, req: Connect) -> Self::Future {
-        match req.kind {
-            ConnectKind::Host { .. } => Either::A(ConnectorFuture {
-                fut: self.resolver.call(req),
-                fut2: None,
-            }),
-            ConnectKind::Addr { addr, .. } => {
-                let mut addrs = VecDeque::new();
-                addrs.push_back(addr.ip());
-                Either::B(ConnectorTcpFuture {
-                    fut: TcpConnectorResponse::new(req, addrs),
-                })
-            }
-        }
-    }
-}
-
-#[doc(hidden)]
-pub struct ConnectorFuture {
-    fut: ResolverFuture<Connect>,
-    fut2: Option<TcpConnectorResponse<Connect>>,
-}
-
-impl Future for ConnectorFuture {
-    type Item = (Connect, TcpStream);
-    type Error = ConnectorError;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Some(ref mut fut) = self.fut2 {
-            return fut.poll().map_err(ConnectorError::from);
-        }
-        match self.fut.poll().map_err(ConnectorError::from)? {
-            Async::Ready((req, addrs)) => {
-                if addrs.is_empty() {
-                    Err(ConnectorError::NoRecords)
-                } else {
-                    self.fut2 = Some(TcpConnectorResponse::new(req, addrs));
-                    self.poll()
-                }
-            }
-            Async::NotReady => Ok(Async::NotReady),
-        }
-    }
-}
-
-#[doc(hidden)]
-pub struct ConnectorTcpFuture {
-    fut: TcpConnectorResponse<Connect>,
-}
-
-impl Future for ConnectorTcpFuture {
-    type Item = (Connect, TcpStream);
-    type Error = ConnectorError;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        self.fut.poll().map_err(ConnectorError::IoError)
-    }
-}
-
-/// Tcp stream connector service
-pub struct TcpConnector<T: RequestPort>(PhantomData<T>);
-
-impl<T: RequestPort> Default for TcpConnector<T> {
-    fn default() -> TcpConnector<T> {
-        TcpConnector(PhantomData)
-    }
-}
-
-impl<T: RequestPort> Service<(T, VecDeque<IpAddr>)> for TcpConnector<T> {
-    type Response = (T, TcpStream);
-    type Error = io::Error;
-    type Future = TcpConnectorResponse<T>;
-
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
-    }
-
-    fn call(&mut self, (req, addrs): (T, VecDeque<IpAddr>)) -> Self::Future {
-        TcpConnectorResponse::new(req, addrs)
-    }
-}
-
-#[doc(hidden)]
-/// Tcp stream connector response future
-pub struct TcpConnectorResponse<T: RequestPort> {
-    port: u16,
-    req: Option<T>,
-    addr: Option<SocketAddr>,
-    addrs: VecDeque<IpAddr>,
-    stream: Option<ConnectFuture>,
-}
-
-impl<T: RequestPort> TcpConnectorResponse<T> {
-    pub fn new(req: T, addrs: VecDeque<IpAddr>) -> TcpConnectorResponse<T> {
-        TcpConnectorResponse {
-            addrs,
-            port: req.port(),
-            req: Some(req),
-            addr: None,
-            stream: None,
-        }
-    }
-}
-
-impl<T: RequestPort> Future for TcpConnectorResponse<T> {
-    type Item = (T, TcpStream);
-    type Error = io::Error;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        // connect
-        loop {
-            if let Some(new) = self.stream.as_mut() {
-                match new.poll() {
-                    Ok(Async::Ready(sock)) => {
-                        return Ok(Async::Ready((self.req.take().unwrap(), sock)))
-                    }
-                    Ok(Async::NotReady) => return Ok(Async::NotReady),
-                    Err(err) => {
-                        if self.addrs.is_empty() {
-                            return Err(err);
-                        }
-                    }
-                }
-            }
-
-            // try to connect
-            let addr = SocketAddr::new(self.addrs.pop_front().unwrap(), self.port);
-            self.stream = Some(TcpStream::connect(&addr));
-            self.addr = Some(addr)
-        }
-    }
-}
-
-#[derive(Clone)]
-pub struct DefaultConnector(Connector);
-
-impl Default for DefaultConnector {
-    fn default() -> Self {
-        DefaultConnector(Connector::default())
-    }
-}
-
-impl DefaultConnector {
-    pub fn new(cfg: ResolverConfig, opts: ResolverOpts) -> Self {
-        DefaultConnector(Connector::new(cfg, opts))
-    }
-}
-
-impl Service<Connect> for DefaultConnector {
-    type Response = TcpStream;
-    type Error = ConnectorError;
-    type Future = DefaultConnectorFuture;
-
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        self.0.poll_ready()
-    }
-
-    fn call(&mut self, req: Connect) -> Self::Future {
-        DefaultConnectorFuture {
-            fut: self.0.call(req),
-        }
-    }
-}
-
-#[doc(hidden)]
-pub struct DefaultConnectorFuture {
-    fut: Either<ConnectorFuture, ConnectorTcpFuture>,
-}
-
-impl Future for DefaultConnectorFuture {
-    type Item = TcpStream;
-    type Error = ConnectorError;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        Ok(Async::Ready(try_ready!(self.fut.poll()).1))
-    }
-}

actix-connector/src/lib.rs

@@ -1,16 +0,0 @@
-//! Actix Connector - tcp connector service
-//!
-//! ## Package feature
-//!
-//! * `tls` - enables ssl support via `native-tls` crate
-//! * `ssl` - enables ssl support via `openssl` crate
-//! * `rust-tls` - enables ssl support via `rustls` crate
-
-mod connector;
-mod resolver;
-pub mod ssl;
-
-pub use self::connector::{
-    Connect, Connector, ConnectorError, DefaultConnector, RequestPort, TcpConnector,
-};
-pub use self::resolver::{RequestHost, Resolver};

actix-connector/src/resolver.rs

@@ -1,128 +0,0 @@
-use std::collections::VecDeque;
-use std::marker::PhantomData;
-use std::net::IpAddr;
-
-use actix_service::Service;
-use futures::{Async, Future, Poll};
-use trust_dns_resolver::config::{ResolverConfig, ResolverOpts};
-pub use trust_dns_resolver::error::ResolveError;
-use trust_dns_resolver::lookup_ip::LookupIpFuture;
-use trust_dns_resolver::system_conf::read_system_conf;
-use trust_dns_resolver::{AsyncResolver, Background};
-
-/// Host name of the request
-pub trait RequestHost {
-    fn host(&self) -> &str;
-}
-
-impl RequestHost for String {
-    fn host(&self) -> &str {
-        self.as_ref()
-    }
-}
-
-pub struct Resolver<T = String> {
-    resolver: AsyncResolver,
-    req: PhantomData<T>,
-}
-
-impl<T: RequestHost> Default for Resolver<T> {
-    fn default() -> Self {
-        let (cfg, opts) = if let Ok((cfg, opts)) = read_system_conf() {
-            (cfg, opts)
-        } else {
-            (ResolverConfig::default(), ResolverOpts::default())
-        };
-
-        Resolver::new(cfg, opts)
-    }
-}
-
-impl<T: RequestHost> Resolver<T> {
-    /// Create new resolver instance with custom configuration and options.
-    pub fn new(cfg: ResolverConfig, opts: ResolverOpts) -> Self {
-        let (resolver, bg) = AsyncResolver::new(cfg, opts);
-        actix_rt::Arbiter::spawn(bg);
-        Resolver {
-            resolver,
-            req: PhantomData,
-        }
-    }
-
-    /// Change type of resolver request.
-    pub fn into_request<T2: RequestHost>(&self) -> Resolver<T2> {
-        Resolver {
-            resolver: self.resolver.clone(),
-            req: PhantomData,
-        }
-    }
-}
-
-impl<T> Clone for Resolver<T> {
-    fn clone(&self) -> Self {
-        Resolver {
-            resolver: self.resolver.clone(),
-            req: PhantomData,
-        }
-    }
-}
-
-impl<T: RequestHost> Service<T> for Resolver<T> {
-    type Response = (T, VecDeque<IpAddr>);
-    type Error = ResolveError;
-    type Future = ResolverFuture<T>;
-
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
-    }
-
-    fn call(&mut self, req: T) -> Self::Future {
-        if let Ok(ip) = req.host().parse() {
-            let mut addrs = VecDeque::new();
-            addrs.push_back(ip);
-            ResolverFuture::new(req, &self.resolver, Some(addrs))
-        } else {
-            ResolverFuture::new(req, &self.resolver, None)
-        }
-    }
-}
-
-#[doc(hidden)]
-/// Resolver future
-pub struct ResolverFuture<T> {
-    req: Option<T>,
-    lookup: Option<Background<LookupIpFuture>>,
-    addrs: Option<VecDeque<IpAddr>>,
-}
-
-impl<T: RequestHost> ResolverFuture<T> {
-    pub fn new(addr: T, resolver: &AsyncResolver, addrs: Option<VecDeque<IpAddr>>) -> Self {
-        // we need to do dns resolution
-        let lookup = Some(resolver.lookup_ip(addr.host()));
-        ResolverFuture {
-            lookup,
-            addrs,
-            req: Some(addr),
-        }
-    }
-}
-
-impl<T: RequestHost> Future for ResolverFuture<T> {
-    type Item = (T, VecDeque<IpAddr>);
-    type Error = ResolveError;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        if let Some(addrs) = self.addrs.take() {
-            Ok(Async::Ready((self.req.take().unwrap(), addrs)))
-        } else {
-            match self.lookup.as_mut().unwrap().poll() {
-                Ok(Async::NotReady) => Ok(Async::NotReady),
-                Ok(Async::Ready(ips)) => Ok(Async::Ready((
-                    self.req.take().unwrap(),
-                    ips.iter().collect(),
-                ))),
-                Err(err) => Err(err),
-            }
-        }
-    }
-}

actix-connector/src/ssl/mod.rs

@@ -1,6 +0,0 @@
-//! SSL Services
-
-#[cfg(feature = "ssl")]
-mod openssl;
-#[cfg(feature = "ssl")]
-pub use self::openssl::OpensslConnector;

actix-connector/src/ssl/openssl.rs

@@ -1,106 +0,0 @@
-use std::marker::PhantomData;
-
-use actix_codec::{AsyncRead, AsyncWrite};
-use actix_service::{NewService, Service};
-use futures::{future::ok, future::FutureResult, Async, Future, Poll};
-use openssl::ssl::{HandshakeError, SslConnector};
-use tokio_openssl::{ConnectAsync, SslConnectorExt, SslStream};
-
-use crate::resolver::RequestHost;
-
-/// Openssl connector factory
-pub struct OpensslConnector<R, T, E> {
-    connector: SslConnector,
-    _t: PhantomData<(R, T, E)>,
-}
-
-impl<R, T, E> OpensslConnector<R, T, E> {
-    pub fn new(connector: SslConnector) -> Self {
-        OpensslConnector {
-            connector,
-            _t: PhantomData,
-        }
-    }
-}
-
-impl<R: RequestHost, T: AsyncRead + AsyncWrite> OpensslConnector<R, T, ()> {
-    pub fn service(
-        connector: SslConnector,
-    ) -> impl Service<(R, T), Response = (R, SslStream<T>), Error = HandshakeError<T>> {
-        OpensslConnectorService {
-            connector: connector,
-            _t: PhantomData,
-        }
-    }
-}
-
-impl<R, T, E> Clone for OpensslConnector<R, T, E> {
-    fn clone(&self) -> Self {
-        Self {
-            connector: self.connector.clone(),
-            _t: PhantomData,
-        }
-    }
-}
-
-impl<R: RequestHost, T: AsyncRead + AsyncWrite, E> NewService<(R, T)>
-    for OpensslConnector<R, T, E>
-{
-    type Response = (R, SslStream<T>);
-    type Error = HandshakeError<T>;
-    type Service = OpensslConnectorService<R, T>;
-    type InitError = E;
-    type Future = FutureResult<Self::Service, Self::InitError>;
-
-    fn new_service(&self) -> Self::Future {
-        ok(OpensslConnectorService {
-            connector: self.connector.clone(),
-            _t: PhantomData,
-        })
-    }
-}
-
-pub struct OpensslConnectorService<R, T> {
-    connector: SslConnector,
-    _t: PhantomData<(R, T)>,
-}
-
-impl<R: RequestHost, T: AsyncRead + AsyncWrite> Service<(R, T)>
-    for OpensslConnectorService<R, T>
-{
-    type Response = (R, SslStream<T>);
-    type Error = HandshakeError<T>;
-    type Future = ConnectAsyncExt<R, T>;
-
-    fn poll_ready(&mut self) -> Poll<(), Self::Error> {
-        Ok(Async::Ready(()))
-    }
-
-    fn call(&mut self, (req, stream): (R, T)) -> Self::Future {
-        ConnectAsyncExt {
-            fut: SslConnectorExt::connect_async(&self.connector, req.host(), stream),
-            req: Some(req),
-        }
-    }
-}
-
-pub struct ConnectAsyncExt<R, T> {
-    req: Option<R>,
-    fut: ConnectAsync<T>,
-}
-
-impl<R, T> Future for ConnectAsyncExt<R, T>
-where
-    R: RequestHost,
-    T: AsyncRead + AsyncWrite,
-{
-    type Item = (R, SslStream<T>);
-    type Error = HandshakeError<T>;
-
-    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
-        match self.fut.poll()? {
-            Async::Ready(stream) => Ok(Async::Ready((self.req.take().unwrap(), stream))),
-            Async::NotReady => Ok(Async::NotReady),
-        }
-    }
-}

actix-files/CHANGES.md

@@ -0,0 +1,252 @@
+# Changes
+
+## Unreleased
+
+- Minimum supported Rust version (MSRV) is now 1.75.
+
+## 0.6.6
+
+- Update `tokio-uring` dependency to `0.4`.
+- Minimum supported Rust version (MSRV) is now 1.72.
+
+## 0.6.5
+
+- Fix handling of special characters in filenames.
+
+## 0.6.4
+
+- Fix handling of newlines in filenames.
+- Minimum supported Rust version (MSRV) is now 1.68 due to transitive `time` dependency.
+
+## 0.6.3
+
+- XHTML files now use `Content-Disposition: inline` instead of `attachment`. [#2903]
+- Minimum supported Rust version (MSRV) is now 1.59 due to transitive `time` dependency.
+- Update `tokio-uring` dependency to `0.4`.
+
+[#2903]: https://github.com/actix/actix-web/pull/2903
+
+## 0.6.2
+
+- Allow partial range responses for video content to start streaming sooner. [#2817]
+- Minimum supported Rust version (MSRV) is now 1.57 due to transitive `time` dependency.
+
+[#2817]: https://github.com/actix/actix-web/pull/2817
+
+## 0.6.1
+
+- Add `NamedFile::{modified, metadata, content_type, content_disposition, encoding}()` getters. [#2021]
+- Update `tokio-uring` dependency to `0.3`.
+- Audio files now use `Content-Disposition: inline` instead of `attachment`. [#2645]
+- Minimum supported Rust version (MSRV) is now 1.56 due to transitive `hashbrown` dependency.
+
+[#2021]: https://github.com/actix/actix-web/pull/2021
+[#2645]: https://github.com/actix/actix-web/pull/2645
+
+## 0.6.0
+
+- No significant changes since `0.6.0-beta.16`.
+
+## 0.6.0-beta.16
+
+- No significant changes since `0.6.0-beta.15`.
+
+## 0.6.0-beta.15
+
+- No significant changes since `0.6.0-beta.14`.
+
+## 0.6.0-beta.14
+
+- The `prefer_utf8` option introduced in `0.4.0` is now true by default. [#2583]
+
+[#2583]: https://github.com/actix/actix-web/pull/2583
+
+## 0.6.0-beta.13
+
+- The `Files` service now rejects requests with URL paths that include `%2F` (decoded: `/`). [#2398]
+- The `Files` service now correctly decodes `%25` in the URL path to `%` for the file path. [#2398]
+- Minimum supported Rust version (MSRV) is now 1.54.
+
+[#2398]: https://github.com/actix/actix-web/pull/2398
+
+## 0.6.0-beta.12
+
+- No significant changes since `0.6.0-beta.11`.
+
+## 0.6.0-beta.11
+
+- No significant changes since `0.6.0-beta.10`.
+
+## 0.6.0-beta.10
+
+- No significant changes since `0.6.0-beta.9`.
+
+## 0.6.0-beta.9
+
+- Add crate feature `experimental-io-uring`, enabling async file I/O to be utilized. This feature is only available on Linux OSes with recent kernel versions. This feature is semver-exempt. [#2408]
+- Add `NamedFile::open_async`. [#2408]
+- Fix 304 Not Modified responses to omit the Content-Length header, as per the spec. [#2453]
+- The `Responder` impl for `NamedFile` now has a boxed future associated type. [#2408]
+- The `Service` impl for `NamedFileService` now has a boxed future associated type. [#2408]
+- Add `impl Clone` for `FilesService`. [#2408]
+
+[#2408]: https://github.com/actix/actix-web/pull/2408
+[#2453]: https://github.com/actix/actix-web/pull/2453
+
+## 0.6.0-beta.8
+
+- Minimum supported Rust version (MSRV) is now 1.52.
+
+## 0.6.0-beta.7
+
+- Minimum supported Rust version (MSRV) is now 1.51.
+
+## 0.6.0-beta.6
+
+- Added `Files::path_filter()`. [#2274]
+- `Files::show_files_listing()` can now be used with `Files::index_file()` to show files listing as a fallback when the index file is not found. [#2228]
+
+[#2274]: https://github.com/actix/actix-web/pull/2274
+[#2228]: https://github.com/actix/actix-web/pull/2228
+
+## 0.6.0-beta.5
+
+- `NamedFile` now implements `ServiceFactory` and `HttpServiceFactory` making it much more useful in routing. For example, it can be used directly as a default service. [#2135]
+- For symbolic links, `Content-Disposition` header no longer shows the filename of the original file. [#2156]
+- `Files::redirect_to_slash_directory()` now works as expected when used with `Files::show_files_listing()`. [#2225]
+- `application/{javascript, json, wasm}` mime type now have `inline` disposition by default. [#2257]
+
+[#2135]: https://github.com/actix/actix-web/pull/2135
+[#2156]: https://github.com/actix/actix-web/pull/2156
+[#2225]: https://github.com/actix/actix-web/pull/2225
+[#2257]: https://github.com/actix/actix-web/pull/2257
+
+## 0.6.0-beta.4
+
+- Add support for `.guard` in `Files` to selectively filter `Files` services. [#2046]
+
+[#2046]: https://github.com/actix/actix-web/pull/2046
+
+## 0.6.0-beta.3
+
+- No notable changes.
+
+## 0.6.0-beta.2
+
+- Fix If-Modified-Since and If-Unmodified-Since to not compare using sub-second timestamps. [#1887]
+- Replace `v_htmlescape` with `askama_escape`. [#1953]
+
+[#1887]: https://github.com/actix/actix-web/pull/1887
+[#1953]: https://github.com/actix/actix-web/pull/1953
+
+## 0.6.0-beta.1
+
+- `HttpRange::parse` now has its own error type.
+- Update `bytes` to `1.0`. [#1813]
+
+[#1813]: https://github.com/actix/actix-web/pull/1813
+
+## 0.5.0
+
+- Optionally support hidden files/directories. [#1811]
+
+[#1811]: https://github.com/actix/actix-web/pull/1811
+
+## 0.4.1
+
+- Clarify order of parameters in `Files::new` and improve docs.
+
+## 0.4.0
+
+- Add `Files::prefer_utf8` option that adds UTF-8 charset on certain response types. [#1714]
+
+[#1714]: https://github.com/actix/actix-web/pull/1714
+
+## 0.3.0
+
+- No significant changes from 0.3.0-beta.1.
+
+## 0.3.0-beta.1
+
+- Update `v_htmlescape` to 0.10
+- Update `actix-web` and `actix-http` dependencies to beta.1
+
+## 0.3.0-alpha.1
+
+- Update `actix-web` and `actix-http` dependencies to alpha
+- Fix some typos in the docs
+- Bump minimum supported Rust version to 1.40
+- Support sending Content-Length when Content-Range is specified [#1384]
+
+[#1384]: https://github.com/actix/actix-web/pull/1384
+
+## 0.2.1
+
+- Use the same format for file URLs regardless of platforms
+
+## 0.2.0
+
+- Fix BodyEncoding trait import #1220
+
+## 0.2.0-alpha.1
+
+- Migrate to `std::future`
+
+## 0.1.7
+
+- Add an additional `filename*` param in the `Content-Disposition` header of `actix_files::NamedFile` to be more compatible. (#1151)
+
+## 0.1.6
+
+- Add option to redirect to a slash-ended path `Files` #1132
+
+## 0.1.5
+
+- Bump up `mime_guess` crate version to 2.0.1
+- Bump up `percent-encoding` crate version to 2.1
+- Allow user defined request guards for `Files` #1113
+
+## 0.1.4
+
+- Allow to disable `Content-Disposition` header #686
+
+## 0.1.3
+
+- Do not set `Content-Length` header, let actix-http set it #930
+
+## 0.1.2
+
+- Content-Length is 0 for NamedFile HEAD request #914
+- Fix ring dependency from actix-web default features for #741
+
+## 0.1.1
+
+- Static files are incorrectly served as both chunked and with length #812
+
+## 0.1.0
+
+- NamedFile last-modified check always fails due to nano-seconds in file modified date #820
+
+## 0.1.0-beta.4
+
+- Update actix-web to beta.4
+
+## 0.1.0-beta.1
+
+- Update actix-web to beta.1
+
+## 0.1.0-alpha.6
+
+- Update actix-web to alpha6
+
+## 0.1.0-alpha.4
+
+- Update actix-web to alpha4
+
+## 0.1.0-alpha.2
+
+- Add default handler support
+
+## 0.1.0-alpha.1
+
+- Initial impl

actix-files/Cargo.toml

@@ -0,0 +1,59 @@
+[package]
+name = "actix-files"
+version = "0.6.6"
+authors = [
+    "Nikolay Kim <fafhrd91@gmail.com>",
+    "Rob Ede <robjtede@icloud.com>",
+]
+description = "Static file serving for Actix Web"
+keywords = ["actix", "http", "async", "futures"]
+homepage = "https://actix.rs"
+repository = "https://github.com/actix/actix-web"
+categories = ["asynchronous", "web-programming::http-server"]
+license = "MIT OR Apache-2.0"
+edition = "2021"
+
+[package.metadata.cargo_check_external_types]
+allowed_external_types = [
+    "actix_http::*",
+    "actix_service::*",
+    "actix_web::*",
+    "http::*",
+    "mime::*",
+]
+
+[features]
+experimental-io-uring = ["actix-web/experimental-io-uring", "tokio-uring"]
+
+[dependencies]
+actix-http = "3"
+actix-service = "2"
+actix-utils = "3"
+actix-web = { version = "4", default-features = false }
+
+bitflags = "2"
+bytes = "1"
+derive_more = { version = "2", features = ["display", "error", "from"] }
+futures-core = { version = "0.3.17", default-features = false, features = ["alloc"] }
+http-range = "0.1.4"
+log = "0.4"
+mime = "0.3.9"
+mime_guess = "2.0.1"
+percent-encoding = "2.1"
+pin-project-lite = "0.2.7"
+v_htmlescape = "0.15.5"
+
+# experimental-io-uring
+[target.'cfg(target_os = "linux")'.dependencies]
+tokio-uring = { version = "0.5", optional = true, features = ["bytes"] }
+actix-server = { version = "2.4", optional = true } # ensure matching tokio-uring versions
+
+[dev-dependencies]
+actix-rt = "2.7"
+actix-test = "0.1"
+actix-web = "4"
+env_logger = "0.11"
+tempfile = "3.2"
+
+[lints]
+workspace = true

actix-files/LICENSE-APACHE

@@ -0,0 +1 @@
+../LICENSE-APACHE

actix-files/LICENSE-MIT

@@ -0,0 +1 @@
+../LICENSE-MIT

actix-files/README.md

@@ -0,0 +1,32 @@
+# `actix-files`
+
+<!-- prettier-ignore-start -->
+
+[![crates.io](https://img.shields.io/crates/v/actix-files?label=latest)](https://crates.io/crates/actix-files)
+[![Documentation](https://docs.rs/actix-files/badge.svg?version=0.6.6)](https://docs.rs/actix-files/0.6.6)
+![Version](https://img.shields.io/badge/rustc-1.72+-ab6000.svg)
+![License](https://img.shields.io/crates/l/actix-files.svg)
+<br />
+[![dependency status](https://deps.rs/crate/actix-files/0.6.6/status.svg)](https://deps.rs/crate/actix-files/0.6.6)
+[![Download](https://img.shields.io/crates/d/actix-files.svg)](https://crates.io/crates/actix-files)
+[![Chat on Discord](https://img.shields.io/discord/771444961383153695?label=chat&logo=discord)](https://discord.gg/NWpN5mmg3x)
+
+<!-- prettier-ignore-end -->
+
+<!-- cargo-rdme start -->
+
+Static file serving for Actix Web.
+
+Provides a non-blocking service for serving static files from disk.
+
+## Examples
+
+```rust
+use actix_web::App;
+use actix_files::Files;
+
+let app = App::new()
+    .service(Files::new("/static", ".").prefer_utf8(true));
+```
+
+<!-- cargo-rdme end -->

actix-files/examples/guarded-listing.rs

@@ -0,0 +1,33 @@
+use actix_files::Files;
+use actix_web::{get, guard, middleware, App, HttpServer, Responder};
+
+const EXAMPLES_DIR: &str = concat![env!("CARGO_MANIFEST_DIR"), "/examples"];
+
+#[get("/")]
+async fn index() -> impl Responder {
+    "Hello world!"
+}
+
+#[actix_web::main]
+async fn main() -> std::io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    log::info!("starting HTTP server at http://localhost:8080");
+
+    HttpServer::new(|| {
+        App::new()
+            .service(index)
+            .service(
+                Files::new("/assets", EXAMPLES_DIR)
+                    .show_files_listing()
+                    .guard(guard::Header("show-listing", "?1")),
+            )
+            .service(Files::new("/assets", EXAMPLES_DIR))
+            .wrap(middleware::Compress::default())
+            .wrap(middleware::Logger::default())
+    })
+    .bind(("127.0.0.1", 8080))?
+    .workers(2)
+    .run()
+    .await
+}

actix-files/src/chunked.rs

@@ -0,0 +1,217 @@
+use std::{
+    cmp, fmt,
+    future::Future,
+    io,
+    pin::Pin,
+    task::{Context, Poll},
+};
+
+use actix_web::{error::Error, web::Bytes};
+#[cfg(feature = "experimental-io-uring")]
+use bytes::BytesMut;
+use futures_core::{ready, Stream};
+use pin_project_lite::pin_project;
+
+use super::named::File;
+
+pin_project! {
+    /// Adapter to read a `std::file::File` in chunks.
+    #[doc(hidden)]
+    pub struct ChunkedReadFile<F, Fut> {
+        size: u64,
+        offset: u64,
+        #[pin]
+        state: ChunkedReadFileState<Fut>,
+        counter: u64,
+        callback: F,
+    }
+}
+
+#[cfg(not(feature = "experimental-io-uring"))]
+pin_project! {
+    #[project = ChunkedReadFileStateProj]
+    #[project_replace = ChunkedReadFileStateProjReplace]
+    enum ChunkedReadFileState<Fut> {
+        File { file: Option<File>, },
+        Future { #[pin] fut: Fut },
+    }
+}
+
+#[cfg(feature = "experimental-io-uring")]
+pin_project! {
+    #[project = ChunkedReadFileStateProj]
+    #[project_replace = ChunkedReadFileStateProjReplace]
+    enum ChunkedReadFileState<Fut> {
+        File { file: Option<(File, BytesMut)> },
+        Future { #[pin] fut: Fut },
+    }
+}
+
+impl<F, Fut> fmt::Debug for ChunkedReadFile<F, Fut> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.write_str("ChunkedReadFile")
+    }
+}
+
+pub(crate) fn new_chunked_read(
+    size: u64,
+    offset: u64,
+    file: File,
+) -> impl Stream<Item = Result<Bytes, Error>> {
+    ChunkedReadFile {
+        size,
+        offset,
+        #[cfg(not(feature = "experimental-io-uring"))]
+        state: ChunkedReadFileState::File { file: Some(file) },
+        #[cfg(feature = "experimental-io-uring")]
+        state: ChunkedReadFileState::File {
+            file: Some((file, BytesMut::new())),
+        },
+        counter: 0,
+        callback: chunked_read_file_callback,
+    }
+}
+
+#[cfg(not(feature = "experimental-io-uring"))]
+async fn chunked_read_file_callback(
+    mut file: File,
+    offset: u64,
+    max_bytes: usize,
+) -> Result<(File, Bytes), Error> {
+    use io::{Read as _, Seek as _};
+
+    let res = actix_web::web::block(move || {
+        let mut buf = Vec::with_capacity(max_bytes);
+
+        file.seek(io::SeekFrom::Start(offset))?;
+
+        let n_bytes = file.by_ref().take(max_bytes as u64).read_to_end(&mut buf)?;
+
+        if n_bytes == 0 {
+            Err(io::Error::from(io::ErrorKind::UnexpectedEof))
+        } else {
+            Ok((file, Bytes::from(buf)))
+        }
+    })
+    .await??;
+
+    Ok(res)
+}
+
+#[cfg(feature = "experimental-io-uring")]
+async fn chunked_read_file_callback(
+    file: File,
+    offset: u64,
+    max_bytes: usize,
+    mut bytes_mut: BytesMut,
+) -> io::Result<(File, Bytes, BytesMut)> {
+    bytes_mut.reserve(max_bytes);
+
+    let (res, mut bytes_mut) = file.read_at(bytes_mut, offset).await;
+    let n_bytes = res?;
+
+    if n_bytes == 0 {
+        return Err(io::ErrorKind::UnexpectedEof.into());
+    }
+
+    let bytes = bytes_mut.split_to(n_bytes).freeze();
+
+    Ok((file, bytes, bytes_mut))
+}
+
+#[cfg(feature = "experimental-io-uring")]
+impl<F, Fut> Stream for ChunkedReadFile<F, Fut>
+where
+    F: Fn(File, u64, usize, BytesMut) -> Fut,
+    Fut: Future<Output = io::Result<(File, Bytes, BytesMut)>>,
+{
+    type Item = Result<Bytes, Error>;
+
+    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+        let mut this = self.as_mut().project();
+        match this.state.as_mut().project() {
+            ChunkedReadFileStateProj::File { file } => {
+                let size = *this.size;
+                let offset = *this.offset;
+                let counter = *this.counter;
+
+                if size == counter {
+                    Poll::Ready(None)
+                } else {
+                    let max_bytes = cmp::min(size.saturating_sub(counter), 65_536) as usize;
+
+                    let (file, bytes_mut) = file
+                        .take()
+                        .expect("ChunkedReadFile polled after completion");
+
+                    let fut = (this.callback)(file, offset, max_bytes, bytes_mut);
+
+                    this.state
+                        .project_replace(ChunkedReadFileState::Future { fut });
+
+                    self.poll_next(cx)
+                }
+            }
+            ChunkedReadFileStateProj::Future { fut } => {
+                let (file, bytes, bytes_mut) = ready!(fut.poll(cx))?;
+
+                this.state.project_replace(ChunkedReadFileState::File {
+                    file: Some((file, bytes_mut)),
+                });
+
+                *this.offset += bytes.len() as u64;
+                *this.counter += bytes.len() as u64;
+
+                Poll::Ready(Some(Ok(bytes)))
+            }
+        }
+    }
+}
+
+#[cfg(not(feature = "experimental-io-uring"))]
+impl<F, Fut> Stream for ChunkedReadFile<F, Fut>
+where
+    F: Fn(File, u64, usize) -> Fut,
+    Fut: Future<Output = Result<(File, Bytes), Error>>,
+{
+    type Item = Result<Bytes, Error>;
+
+    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+        let mut this = self.as_mut().project();
+        match this.state.as_mut().project() {
+            ChunkedReadFileStateProj::File { file } => {
+                let size = *this.size;
+                let offset = *this.offset;
+                let counter = *this.counter;
+
+                if size == counter {
+                    Poll::Ready(None)
+                } else {
+                    let max_bytes = cmp::min(size.saturating_sub(counter), 65_536) as usize;
+
+                    let file = file
+                        .take()
+                        .expect("ChunkedReadFile polled after completion");
+
+                    let fut = (this.callback)(file, offset, max_bytes);
+
+                    this.state
+                        .project_replace(ChunkedReadFileState::Future { fut });
+
+                    self.poll_next(cx)
+                }
+            }
+            ChunkedReadFileStateProj::Future { fut } => {
+                let (file, bytes) = ready!(fut.poll(cx))?;
+
+                this.state
+                    .project_replace(ChunkedReadFileState::File { file: Some(file) });
+
+                *this.offset += bytes.len() as u64;
+                *this.counter += bytes.len() as u64;
+
+                Poll::Ready(Some(Ok(bytes)))
+            }
+        }
+    }
+}

actix-files/src/directory.rs

@@ -0,0 +1,126 @@
+use std::{
+    fmt::Write,
+    fs::DirEntry,
+    io,
+    path::{Path, PathBuf},
+};
+
+use actix_web::{dev::ServiceResponse, HttpRequest, HttpResponse};
+use percent_encoding::{utf8_percent_encode, CONTROLS};
+use v_htmlescape::escape as escape_html_entity;
+
+/// A directory; responds with the generated directory listing.
+#[derive(Debug)]
+pub struct Directory {
+    /// Base directory.
+    pub base: PathBuf,
+
+    /// Path of subdirectory to generate listing for.
+    pub path: PathBuf,
+}
+
+impl Directory {
+    /// Create a new directory
+    pub fn new(base: PathBuf, path: PathBuf) -> Directory {
+        Directory { base, path }
+    }
+
+    /// Is this entry visible from this directory?
+    pub fn is_visible(&self, entry: &io::Result<DirEntry>) -> bool {
+        if let Ok(ref entry) = *entry {
+            if let Some(name) = entry.file_name().to_str() {
+                if name.starts_with('.') {
+                    return false;
+                }
+            }
+            if let Ok(ref md) = entry.metadata() {
+                let ft = md.file_type();
+                return ft.is_dir() || ft.is_file() || ft.is_symlink();
+            }
+        }
+        false
+    }
+}
+
+pub(crate) type DirectoryRenderer =
+    dyn Fn(&Directory, &HttpRequest) -> Result<ServiceResponse, io::Error>;
+
+/// Returns percent encoded file URL path.
+macro_rules! encode_file_url {
+    ($path:ident) => {
+        utf8_percent_encode(&$path, CONTROLS)
+    };
+}
+
+/// Returns HTML entity encoded formatter.
+///
+/// ```plain
+/// " => &quot;
+/// & => &amp;
+/// ' => &#x27;
+/// < => &lt;
+/// > => &gt;
+/// / => &#x2f;
+/// ```
+macro_rules! encode_file_name {
+    ($entry:ident) => {
+        escape_html_entity(&$entry.file_name().to_string_lossy())
+    };
+}
+
+pub(crate) fn directory_listing(
+    dir: &Directory,
+    req: &HttpRequest,
+) -> Result<ServiceResponse, io::Error> {
+    let index_of = format!("Index of {}", req.path());
+    let mut body = String::new();
+    let base = Path::new(req.path());
+
+    for entry in dir.path.read_dir()? {
+        if dir.is_visible(&entry) {
+            let entry = entry.unwrap();
+            let p = match entry.path().strip_prefix(&dir.path) {
+                Ok(p) if cfg!(windows) => base.join(p).to_string_lossy().replace('\\', "/"),
+                Ok(p) => base.join(p).to_string_lossy().into_owned(),
+                Err(_) => continue,
+            };
+
+            // if file is a directory, add '/' to the end of the name
+            if let Ok(metadata) = entry.metadata() {
+                if metadata.is_dir() {
+                    let _ = write!(
+                        body,
+                        "<li><a href=\"{}\">{}/</a></li>",
+                        encode_file_url!(p),
+                        encode_file_name!(entry),
+                    );
+                } else {
+                    let _ = write!(
+                        body,
+                        "<li><a href=\"{}\">{}</a></li>",
+                        encode_file_url!(p),
+                        encode_file_name!(entry),
+                    );
+                }
+            } else {
+                continue;
+            }
+        }
+    }
+
+    let html = format!(
+        "<html>\
+         <head><title>{}</title></head>\
+         <body><h1>{}</h1>\
+         <ul>\
+         {}\
+         </ul></body>\n</html>",
+        index_of, index_of, body
+    );
+    Ok(ServiceResponse::new(
+        req.clone(),
+        HttpResponse::Ok()
+            .content_type("text/html; charset=utf-8")
+            .body(html),
+    ))
+}

actix-files/src/encoding.rs

@@ -0,0 +1,52 @@
+use mime::Mime;
+
+/// Transforms MIME `text/*` types into their UTF-8 equivalent, if supported.
+///
+/// MIME types that are converted
+/// - application/javascript
+/// - text/html
+/// - text/css
+/// - text/plain
+/// - text/csv
+/// - text/tab-separated-values
+pub(crate) fn equiv_utf8_text(ct: Mime) -> Mime {
+    // use (roughly) order of file-type popularity for a web server
+
+    if ct == mime::APPLICATION_JAVASCRIPT {
+        return mime::APPLICATION_JAVASCRIPT_UTF_8;
+    }
+
+    if ct == mime::TEXT_HTML {
+        return mime::TEXT_HTML_UTF_8;
+    }
+
+    if ct == mime::TEXT_CSS {
+        return mime::TEXT_CSS_UTF_8;
+    }
+
+    if ct == mime::TEXT_PLAIN {
+        return mime::TEXT_PLAIN_UTF_8;
+    }
+
+    if ct == mime::TEXT_CSV {
+        return mime::TEXT_CSV_UTF_8;
+    }
+
+    if ct == mime::TEXT_TAB_SEPARATED_VALUES {
+        return mime::TEXT_TAB_SEPARATED_VALUES_UTF_8;
+    }
+
+    ct
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_equiv_utf8_text() {
+        assert_eq!(equiv_utf8_text(mime::TEXT_PLAIN), mime::TEXT_PLAIN_UTF_8);
+        assert_eq!(equiv_utf8_text(mime::TEXT_XML), mime::TEXT_XML);
+        assert_eq!(equiv_utf8_text(mime::IMAGE_PNG), mime::IMAGE_PNG);
+    }
+}

actix-files/src/error.rs

@@ -0,0 +1,49 @@
+use actix_web::{http::StatusCode, ResponseError};
+use derive_more::Display;
+
+/// Errors which can occur when serving static files.
+#[derive(Debug, PartialEq, Eq, Display)]
+pub enum FilesError {
+    /// Path is not a directory.
+    #[allow(dead_code)]
+    #[display("path is not a directory. Unable to serve static files")]
+    IsNotDirectory,
+
+    /// Cannot render directory.
+    #[display("unable to render directory without index file")]
+    IsDirectory,
+}
+
+impl ResponseError for FilesError {
+    /// Returns `404 Not Found`.
+    fn status_code(&self) -> StatusCode {
+        StatusCode::NOT_FOUND
+    }
+}
+
+#[derive(Debug, PartialEq, Eq, Display)]
+#[non_exhaustive]
+pub enum UriSegmentError {
+    /// Segment started with the wrapped invalid character.
+    #[display("segment started with invalid character: ('{_0}')")]
+    BadStart(char),
+
+    /// Segment contained the wrapped invalid character.
+    #[display("segment contained invalid character ('{_0}')")]
+    BadChar(char),
+
+    /// Segment ended with the wrapped invalid character.
+    #[display("segment ended with invalid character: ('{_0}')")]
+    BadEnd(char),
+
+    /// Path is not a valid UTF-8 string after percent-decoding.
+    #[display("path is not a valid UTF-8 string after percent-decoding")]
+    NotValidUtf8,
+}
+
+impl ResponseError for UriSegmentError {
+    /// Returns `400 Bad Request`.
+    fn status_code(&self) -> StatusCode {
+        StatusCode::BAD_REQUEST
+    }
+}

actix-files/src/files.rs

@@ -0,0 +1,430 @@
+use std::{
+    cell::RefCell,
+    fmt, io,
+    path::{Path, PathBuf},
+    rc::Rc,
+};
+
+use actix_service::{boxed, IntoServiceFactory, ServiceFactory, ServiceFactoryExt};
+use actix_web::{
+    dev::{
+        AppService, HttpServiceFactory, RequestHead, ResourceDef, ServiceRequest, ServiceResponse,
+    },
+    error::Error,
+    guard::Guard,
+    http::header::DispositionType,
+    HttpRequest,
+};
+use futures_core::future::LocalBoxFuture;
+
+use crate::{
+    directory_listing, named,
+    service::{FilesService, FilesServiceInner},
+    Directory, DirectoryRenderer, HttpNewService, MimeOverride, PathFilter,
+};
+
+/// Static files handling service.
+///
+/// `Files` service must be registered with `App::service()` method.
+///
+/// # Examples
+/// ```
+/// use actix_web::App;
+/// use actix_files::Files;
+///
+/// let app = App::new()
+///     .service(Files::new("/static", "."));
+/// ```
+pub struct Files {
+    mount_path: String,
+    directory: PathBuf,
+    index: Option<String>,
+    show_index: bool,
+    redirect_to_slash: bool,
+    default: Rc<RefCell<Option<Rc<HttpNewService>>>>,
+    renderer: Rc<DirectoryRenderer>,
+    mime_override: Option<Rc<MimeOverride>>,
+    path_filter: Option<Rc<PathFilter>>,
+    file_flags: named::Flags,
+    use_guards: Option<Rc<dyn Guard>>,
+    guards: Vec<Rc<dyn Guard>>,
+    hidden_files: bool,
+}
+
+impl fmt::Debug for Files {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.write_str("Files")
+    }
+}
+
+impl Clone for Files {
+    fn clone(&self) -> Self {
+        Self {
+            directory: self.directory.clone(),
+            index: self.index.clone(),
+            show_index: self.show_index,
+            redirect_to_slash: self.redirect_to_slash,
+            default: self.default.clone(),
+            renderer: self.renderer.clone(),
+            file_flags: self.file_flags,
+            mount_path: self.mount_path.clone(),
+            mime_override: self.mime_override.clone(),
+            path_filter: self.path_filter.clone(),
+            use_guards: self.use_guards.clone(),
+            guards: self.guards.clone(),
+            hidden_files: self.hidden_files,
+        }
+    }
+}
+
+impl Files {
+    /// Create new `Files` instance for a specified base directory.
+    ///
+    /// # Argument Order
+    /// The first argument (`mount_path`) is the root URL at which the static files are served.
+    /// For example, `/assets` will serve files at `example.com/assets/...`.
+    ///
+    /// The second argument (`serve_from`) is the location on disk at which files are loaded.
+    /// This can be a relative path. For example, `./` would serve files from the current
+    /// working directory.
+    ///
+    /// # Implementation Notes
+    /// If the mount path is set as the root path `/`, services registered after this one will
+    /// be inaccessible. Register more specific handlers and services first.
+    ///
+    /// `Files` utilizes the existing Tokio thread-pool for blocking filesystem operations.
+    /// The number of running threads is adjusted over time as needed, up to a maximum of 512 times
+    /// the number of server [workers](actix_web::HttpServer::workers), by default.
+    pub fn new<T: Into<PathBuf>>(mount_path: &str, serve_from: T) -> Files {
+        let orig_dir = serve_from.into();
+        let dir = match orig_dir.canonicalize() {
+            Ok(canon_dir) => canon_dir,
+            Err(_) => {
+                log::error!("Specified path is not a directory: {:?}", orig_dir);
+                PathBuf::new()
+            }
+        };
+
+        Files {
+            mount_path: mount_path.trim_end_matches('/').to_owned(),
+            directory: dir,
+            index: None,
+            show_index: false,
+            redirect_to_slash: false,
+            default: Rc::new(RefCell::new(None)),
+            renderer: Rc::new(directory_listing),
+            mime_override: None,
+            path_filter: None,
+            file_flags: named::Flags::default(),
+            use_guards: None,
+            guards: Vec::new(),
+            hidden_files: false,
+        }
+    }
+
+    /// Show files listing for directories.
+    ///
+    /// By default show files listing is disabled.
+    ///
+    /// When used with [`Files::index_file()`], files listing is shown as a fallback
+    /// when the index file is not found.
+    pub fn show_files_listing(mut self) -> Self {
+        self.show_index = true;
+        self
+    }
+
+    /// Redirects to a slash-ended path when browsing a directory.
+    ///
+    /// By default never redirect.
+    pub fn redirect_to_slash_directory(mut self) -> Self {
+        self.redirect_to_slash = true;
+        self
+    }
+
+    /// Set custom directory renderer.
+    pub fn files_listing_renderer<F>(mut self, f: F) -> Self
+    where
+        for<'r, 's> F:
+            Fn(&'r Directory, &'s HttpRequest) -> Result<ServiceResponse, io::Error> + 'static,
+    {
+        self.renderer = Rc::new(f);
+        self
+    }
+
+    /// Specifies MIME override callback.
+    pub fn mime_override<F>(mut self, f: F) -> Self
+    where
+        F: Fn(&mime::Name<'_>) -> DispositionType + 'static,
+    {
+        self.mime_override = Some(Rc::new(f));
+        self
+    }
+
+    /// Sets path filtering closure.
+    ///
+    /// The path provided to the closure is relative to `serve_from` path.
+    /// You can safely join this path with the `serve_from` path to get the real path.
+    /// However, the real path may not exist since the filter is called before checking path existence.
+    ///
+    /// When a path doesn't pass the filter, [`Files::default_handler`] is called if set, otherwise,
+    /// `404 Not Found` is returned.
+    ///
+    /// # Examples
+    /// ```
+    /// use std::path::Path;
+    /// use actix_files::Files;
+    ///
+    /// // prevent searching subdirectories and following symlinks
+    /// let files_service = Files::new("/", "./static").path_filter(|path, _| {
+    ///     path.components().count() == 1
+    ///         && Path::new("./static")
+    ///             .join(path)
+    ///             .symlink_metadata()
+    ///             .map(|m| !m.file_type().is_symlink())
+    ///             .unwrap_or(false)
+    /// });
+    /// ```
+    pub fn path_filter<F>(mut self, f: F) -> Self
+    where
+        F: Fn(&Path, &RequestHead) -> bool + 'static,
+    {
+        self.path_filter = Some(Rc::new(f));
+        self
+    }
+
+    /// Set index file
+    ///
+    /// Shows specific index file for directories instead of
+    /// showing files listing.
+    ///
+    /// If the index file is not found, files listing is shown as a fallback if
+    /// [`Files::show_files_listing()`] is set.
+    pub fn index_file<T: Into<String>>(mut self, index: T) -> Self {
+        self.index = Some(index.into());
+        self
+    }
+
+    /// Specifies whether to use ETag or not.
+    ///
+    /// Default is true.
+    pub fn use_etag(mut self, value: bool) -> Self {
+        self.file_flags.set(named::Flags::ETAG, value);
+        self
+    }
+
+    /// Specifies whether to use Last-Modified or not.
+    ///
+    /// Default is true.
+    pub fn use_last_modified(mut self, value: bool) -> Self {
+        self.file_flags.set(named::Flags::LAST_MD, value);
+        self
+    }
+
+    /// Specifies whether text responses should signal a UTF-8 encoding.
+    ///
+    /// Default is false (but will default to true in a future version).
+    pub fn prefer_utf8(mut self, value: bool) -> Self {
+        self.file_flags.set(named::Flags::PREFER_UTF8, value);
+        self
+    }
+
+    /// Adds a routing guard.
+    ///
+    /// Use this to allow multiple chained file services that respond to strictly different
+    /// properties of a request. Due to the way routing works, if a guard check returns true and the
+    /// request starts being handled by the file service, it will not be able to back-out and try
+    /// the next service, you will simply get a 404 (or 405) error response.
+    ///
+    /// To allow `POST` requests to retrieve files, see [`Files::method_guard()`].
+    ///
+    /// # Examples
+    /// ```
+    /// use actix_web::{guard::Header, App};
+    /// use actix_files::Files;
+    ///
+    /// App::new().service(
+    ///     Files::new("/","/my/site/files")
+    ///         .guard(Header("Host", "example.com"))
+    /// );
+    /// ```
+    pub fn guard<G: Guard + 'static>(mut self, guard: G) -> Self {
+        self.guards.push(Rc::new(guard));
+        self
+    }
+
+    /// Specifies guard to check before fetching directory listings or files.
+    ///
+    /// Note that this guard has no effect on routing; it's main use is to guard on the request's
+    /// method just before serving the file, only allowing `GET` and `HEAD` requests by default.
+    /// See [`Files::guard`] for routing guards.
+    pub fn method_guard<G: Guard + 'static>(mut self, guard: G) -> Self {
+        self.use_guards = Some(Rc::new(guard));
+        self
+    }
+
+    /// See [`Files::method_guard`].
+    #[doc(hidden)]
+    #[deprecated(since = "0.6.0", note = "Renamed to `method_guard`.")]
+    pub fn use_guards<G: Guard + 'static>(self, guard: G) -> Self {
+        self.method_guard(guard)
+    }
+
+    /// Disable `Content-Disposition` header.
+    ///
+    /// By default Content-Disposition` header is enabled.
+    pub fn disable_content_disposition(mut self) -> Self {
+        self.file_flags.remove(named::Flags::CONTENT_DISPOSITION);
+        self
+    }
+
+    /// Sets default handler which is used when no matched file could be found.
+    ///
+    /// # Examples
+    /// Setting a fallback static file handler:
+    /// ```
+    /// use actix_files::{Files, NamedFile};
+    /// use actix_web::dev::{ServiceRequest, ServiceResponse, fn_service};
+    ///
+    /// # fn run() -> Result<(), actix_web::Error> {
+    /// let files = Files::new("/", "./static")
+    ///     .index_file("index.html")
+    ///     .default_handler(fn_service(|req: ServiceRequest| async {
+    ///         let (req, _) = req.into_parts();
+    ///         let file = NamedFile::open_async("./static/404.html").await?;
+    ///         let res = file.into_response(&req);
+    ///         Ok(ServiceResponse::new(req, res))
+    ///     }));
+    /// # Ok(())
+    /// # }
+    /// ```
+    pub fn default_handler<F, U>(mut self, f: F) -> Self
+    where
+        F: IntoServiceFactory<U, ServiceRequest>,
+        U: ServiceFactory<ServiceRequest, Config = (), Response = ServiceResponse, Error = Error>
+            + 'static,
+    {
+        // create and configure default resource
+        self.default = Rc::new(RefCell::new(Some(Rc::new(boxed::factory(
+            f.into_factory().map_init_err(|_| ()),
+        )))));
+
+        self
+    }
+
+    /// Enables serving hidden files and directories, allowing a leading dots in url fragments.
+    pub fn use_hidden_files(mut self) -> Self {
+        self.hidden_files = true;
+        self
+    }
+}
+
+impl HttpServiceFactory for Files {
+    fn register(mut self, config: &mut AppService) {
+        let guards = if self.guards.is_empty() {
+            None
+        } else {
+            let guards = std::mem::take(&mut self.guards);
+            Some(
+                guards
+                    .into_iter()
+                    .map(|guard| -> Box<dyn Guard> { Box::new(guard) })
+                    .collect::<Vec<_>>(),
+            )
+        };
+
+        if self.default.borrow().is_none() {
+            *self.default.borrow_mut() = Some(config.default_service());
+        }
+
+        let rdef = if config.is_root() {
+            ResourceDef::root_prefix(&self.mount_path)
+        } else {
+            ResourceDef::prefix(&self.mount_path)
+        };
+
+        config.register_service(rdef, guards, self, None)
+    }
+}
+
+impl ServiceFactory<ServiceRequest> for Files {
+    type Response = ServiceResponse;
+    type Error = Error;
+    type Config = ();
+    type Service = FilesService;
+    type InitError = ();
+    type Future = LocalBoxFuture<'static, Result<Self::Service, Self::InitError>>;
+
+    fn new_service(&self, _: ()) -> Self::Future {
+        let mut inner = FilesServiceInner {
+            directory: self.directory.clone(),
+            index: self.index.clone(),
+            show_index: self.show_index,
+            redirect_to_slash: self.redirect_to_slash,
+            default: None,
+            renderer: self.renderer.clone(),
+            mime_override: self.mime_override.clone(),
+            path_filter: self.path_filter.clone(),
+            file_flags: self.file_flags,
+            guards: self.use_guards.clone(),
+            hidden_files: self.hidden_files,
+        };
+
+        if let Some(ref default) = *self.default.borrow() {
+            let fut = default.new_service(());
+            Box::pin(async {
+                match fut.await {
+                    Ok(default) => {
+                        inner.default = Some(default);
+                        Ok(FilesService(Rc::new(inner)))
+                    }
+                    Err(_) => Err(()),
+                }
+            })
+        } else {
+            Box::pin(async move { Ok(FilesService(Rc::new(inner))) })
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use actix_web::{
+        http::StatusCode,
+        test::{self, TestRequest},
+        App, HttpResponse,
+    };
+
+    use super::*;
+
+    #[actix_web::test]
+    async fn custom_files_listing_renderer() {
+        let srv = test::init_service(
+            App::new().service(
+                Files::new("/", "./tests")
+                    .show_files_listing()
+                    .files_listing_renderer(|dir, req| {
+                        Ok(ServiceResponse::new(
+                            req.clone(),
+                            HttpResponse::Ok().body(dir.path.to_str().unwrap().to_owned()),
+                        ))
+                    }),
+            ),
+        )
+        .await;
+
+        let req = TestRequest::with_uri("/").to_request();
+        let res = test::call_service(&srv, req).await;
+
+        assert_eq!(res.status(), StatusCode::OK);
+        let body = test::read_body(res).await;
+        let body_str = std::str::from_utf8(&body).unwrap();
+        let actual_path = Path::new(&body_str);
+        let expected_path = Path::new("actix-files/tests");
+        assert!(
+            actual_path.ends_with(expected_path),
+            "body {:?} does not end with {:?}",
+            actual_path,
+            expected_path
+        );
+    }
+}

actix-files/src/named.rs

@@ -0,0 +1,689 @@
+use std::{
+    fs::Metadata,
+    io,
+    path::{Path, PathBuf},
+    time::{SystemTime, UNIX_EPOCH},
+};
+
+use actix_web::{
+    body::{self, BoxBody, SizedStream},
+    dev::{
+        self, AppService, HttpServiceFactory, ResourceDef, Service, ServiceFactory, ServiceRequest,
+        ServiceResponse,
+    },
+    http::{
+        header::{
+            self, Charset, ContentDisposition, ContentEncoding, DispositionParam, DispositionType,
+            ExtendedValue, HeaderValue,
+        },
+        StatusCode,
+    },
+    Error, HttpMessage, HttpRequest, HttpResponse, Responder,
+};
+use bitflags::bitflags;
+use derive_more::{Deref, DerefMut};
+use futures_core::future::LocalBoxFuture;
+use mime::Mime;
+
+use crate::{encoding::equiv_utf8_text, range::HttpRange};
+
+bitflags! {
+    #[derive(Debug, Clone, Copy)]
+    pub(crate) struct Flags: u8 {
+        const ETAG =                0b0000_0001;
+        const LAST_MD =             0b0000_0010;
+        const CONTENT_DISPOSITION = 0b0000_0100;
+        const PREFER_UTF8 =         0b0000_1000;
+    }
+}
+
+impl Default for Flags {
+    fn default() -> Self {
+        Flags::from_bits_truncate(0b0000_1111)
+    }
+}
+
+/// A file with an associated name.
+///
+/// `NamedFile` can be registered as services:
+/// ```
+/// use actix_web::App;
+/// use actix_files::NamedFile;
+///
+/// # async fn run() -> Result<(), Box<dyn std::error::Error>> {
+/// let file = NamedFile::open_async("./static/index.html").await?;
+/// let app = App::new().service(file);
+/// # Ok(())
+/// # }
+/// ```
+///
+/// They can also be returned from handlers:
+/// ```
+/// use actix_web::{Responder, get};
+/// use actix_files::NamedFile;
+///
+/// #[get("/")]
+/// async fn index() -> impl Responder {
+///     NamedFile::open_async("./static/index.html").await
+/// }
+/// ```
+#[derive(Debug, Deref, DerefMut)]
+pub struct NamedFile {
+    #[deref]
+    #[deref_mut]
+    file: File,
+    path: PathBuf,
+    modified: Option<SystemTime>,
+    pub(crate) md: Metadata,
+    pub(crate) flags: Flags,
+    pub(crate) status_code: StatusCode,
+    pub(crate) content_type: Mime,
+    pub(crate) content_disposition: ContentDisposition,
+    pub(crate) encoding: Option<ContentEncoding>,
+}
+
+#[cfg(not(feature = "experimental-io-uring"))]
+pub(crate) use std::fs::File;
+
+#[cfg(feature = "experimental-io-uring")]
+pub(crate) use tokio_uring::fs::File;
+
+use super::chunked;
+
+impl NamedFile {
+    /// Creates an instance from a previously opened file.
+    ///
+    /// The given `path` need not exist and is only used to determine the `ContentType` and
+    /// `ContentDisposition` headers.
+    ///
+    /// # Examples
+    /// ```ignore
+    /// use std::{
+    ///     io::{self, Write as _},
+    ///     env,
+    ///     fs::File
+    /// };
+    /// use actix_files::NamedFile;
+    ///
+    /// let mut file = File::create("foo.txt")?;
+    /// file.write_all(b"Hello, world!")?;
+    /// let named_file = NamedFile::from_file(file, "bar.txt")?;
+    /// # std::fs::remove_file("foo.txt");
+    /// Ok(())
+    /// ```
+    pub fn from_file<P: AsRef<Path>>(file: File, path: P) -> io::Result<NamedFile> {
+        let path = path.as_ref().to_path_buf();
+
+        // Get the name of the file and use it to construct default Content-Type
+        // and Content-Disposition values
+        let (content_type, content_disposition) = {
+            let filename = match path.file_name() {
+                Some(name) => name.to_string_lossy(),
+                None => {
+                    return Err(io::Error::new(
+                        io::ErrorKind::InvalidInput,
+                        "Provided path has no filename",
+                    ));
+                }
+            };
+
+            let ct = mime_guess::from_path(&path).first_or_octet_stream();
+
+            let disposition = match ct.type_() {
+                mime::IMAGE | mime::TEXT | mime::AUDIO | mime::VIDEO => DispositionType::Inline,
+                mime::APPLICATION => match ct.subtype() {
+                    mime::JAVASCRIPT | mime::JSON => DispositionType::Inline,
+                    name if name == "wasm" || name == "xhtml" => DispositionType::Inline,
+                    _ => DispositionType::Attachment,
+                },
+                _ => DispositionType::Attachment,
+            };
+
+            // replace special characters in filenames which could occur on some filesystems
+            let filename_s = filename
+                .replace('\n', "%0A") // \n line break
+                .replace('\x0B', "%0B") // \v vertical tab
+                .replace('\x0C', "%0C") // \f form feed
+                .replace('\r', "%0D"); // \r carriage return
+            let mut parameters = vec![DispositionParam::Filename(filename_s)];
+
+            if !filename.is_ascii() {
+                parameters.push(DispositionParam::FilenameExt(ExtendedValue {
+                    charset: Charset::Ext(String::from("UTF-8")),
+                    language_tag: None,
+                    value: filename.into_owned().into_bytes(),
+                }))
+            }
+
+            let cd = ContentDisposition {
+                disposition,
+                parameters,
+            };
+
+            (ct, cd)
+        };
+
+        let md = {
+            #[cfg(not(feature = "experimental-io-uring"))]
+            {
+                file.metadata()?
+            }
+
+            #[cfg(feature = "experimental-io-uring")]
+            {
+                use std::os::unix::prelude::{AsRawFd, FromRawFd};
+
+                let fd = file.as_raw_fd();
+
+                // SAFETY: fd is borrowed and lives longer than the unsafe block
+                unsafe {
+                    let file = std::fs::File::from_raw_fd(fd);
+                    let md = file.metadata();
+                    // SAFETY: forget the fd before exiting block in success or error case but don't
+                    // run destructor (that would close file handle)
+                    std::mem::forget(file);
+                    md?
+                }
+            }
+        };
+
+        let modified = md.modified().ok();
+        let encoding = None;
+
+        Ok(NamedFile {
+            path,
+            file,
+            content_type,
+            content_disposition,
+            md,
+            modified,
+            encoding,
+            status_code: StatusCode::OK,
+            flags: Flags::default(),
+        })
+    }
+
+    /// Attempts to open a file in read-only mode.
+    ///
+    /// # Examples
+    /// ```
+    /// use actix_files::NamedFile;
+    /// let file = NamedFile::open("foo.txt");
+    /// ```
+    #[cfg(not(feature = "experimental-io-uring"))]
+    pub fn open<P: AsRef<Path>>(path: P) -> io::Result<NamedFile> {
+        let file = File::open(&path)?;
+        Self::from_file(file, path)
+    }
+
+    /// Attempts to open a file asynchronously in read-only mode.
+    ///
+    /// When the `experimental-io-uring` crate feature is enabled, this will be async. Otherwise, it
+    /// will behave just like `open`.
+    ///
+    /// # Examples
+    /// ```
+    /// use actix_files::NamedFile;
+    /// # async fn open() {
+    /// let file = NamedFile::open_async("foo.txt").await.unwrap();
+    /// # }
+    /// ```
+    pub async fn open_async<P: AsRef<Path>>(path: P) -> io::Result<NamedFile> {
+        let file = {
+            #[cfg(not(feature = "experimental-io-uring"))]
+            {
+                File::open(&path)?
+            }
+
+            #[cfg(feature = "experimental-io-uring")]
+            {
+                File::open(&path).await?
+            }
+        };
+
+        Self::from_file(file, path)
+    }
+
+    /// Returns reference to the underlying file object.
+    #[inline]
+    pub fn file(&self) -> &File {
+        &self.file
+    }
+
+    /// Returns the filesystem path to this file.
+    ///
+    /// # Examples
+    /// ```
+    /// # use std::io;
+    /// use actix_files::NamedFile;
+    ///
+    /// # async fn path() -> io::Result<()> {
+    /// let file = NamedFile::open_async("test.txt").await?;
+    /// assert_eq!(file.path().as_os_str(), "foo.txt");
+    /// # Ok(())
+    /// # }
+    /// ```
+    #[inline]
+    pub fn path(&self) -> &Path {
+        self.path.as_path()
+    }
+
+    /// Returns the time the file was last modified.
+    ///
+    /// Returns `None` only on unsupported platforms; see [`std::fs::Metadata::modified()`].
+    /// Therefore, it is usually safe to unwrap this.
+    #[inline]
+    pub fn modified(&self) -> Option<SystemTime> {
+        self.modified
+    }
+
+    /// Returns the filesystem metadata associated with this file.
+    #[inline]
+    pub fn metadata(&self) -> &Metadata {
+        &self.md
+    }
+
+    /// Returns the `Content-Type` header that will be used when serving this file.
+    #[inline]
+    pub fn content_type(&self) -> &Mime {
+        &self.content_type
+    }
+
+    /// Returns the `Content-Disposition` that will be used when serving this file.
+    #[inline]
+    pub fn content_disposition(&self) -> &ContentDisposition {
+        &self.content_disposition
+    }
+
+    /// Returns the `Content-Encoding` that will be used when serving this file.
+    ///
+    /// A return value of `None` indicates that the content is not already using a compressed
+    /// representation and may be subject to compression downstream.
+    #[inline]
+    pub fn content_encoding(&self) -> Option<ContentEncoding> {
+        self.encoding
+    }
+
+    /// Set response status code.
+    #[deprecated(since = "0.7.0", note = "Prefer `Responder::customize()`.")]
+    pub fn set_status_code(mut self, status: StatusCode) -> Self {
+        self.status_code = status;
+        self
+    }
+
+    /// Sets the `Content-Type` header that will be used when serving this file. By default the
+    /// `Content-Type` is inferred from the filename extension.
+    #[inline]
+    pub fn set_content_type(mut self, mime_type: Mime) -> Self {
+        self.content_type = mime_type;
+        self
+    }
+
+    /// Set the Content-Disposition for serving this file. This allows changing the
+    /// `inline/attachment` disposition as well as the filename sent to the peer.
+    ///
+    /// By default the disposition is `inline` for `text/*`, `image/*`, `video/*` and
+    /// `application/{javascript, json, wasm}` mime types, and `attachment` otherwise, and the
+    /// filename is taken from the path provided in the `open` method after converting it to UTF-8
+    /// (using `to_string_lossy`).
+    #[inline]
+    pub fn set_content_disposition(mut self, cd: ContentDisposition) -> Self {
+        self.content_disposition = cd;
+        self.flags.insert(Flags::CONTENT_DISPOSITION);
+        self
+    }
+
+    /// Disables `Content-Disposition` header.
+    ///
+    /// By default, the `Content-Disposition` header is sent.
+    #[inline]
+    pub fn disable_content_disposition(mut self) -> Self {
+        self.flags.remove(Flags::CONTENT_DISPOSITION);
+        self
+    }
+
+    /// Sets content encoding for this file.
+    ///
+    /// This prevents the `Compress` middleware from modifying the file contents and signals to
+    /// browsers/clients how to decode it. For example, if serving a compressed HTML file (e.g.,
+    /// `index.html.gz`) then use `.set_content_encoding(ContentEncoding::Gzip)`.
+    #[inline]
+    pub fn set_content_encoding(mut self, enc: ContentEncoding) -> Self {
+        self.encoding = Some(enc);
+        self
+    }
+
+    /// Specifies whether to return `ETag` header in response.
+    ///
+    /// Default is true.
+    #[inline]
+    pub fn use_etag(mut self, value: bool) -> Self {
+        self.flags.set(Flags::ETAG, value);
+        self
+    }
+
+    /// Specifies whether to return `Last-Modified` header in response.
+    ///
+    /// Default is true.
+    #[inline]
+    pub fn use_last_modified(mut self, value: bool) -> Self {
+        self.flags.set(Flags::LAST_MD, value);
+        self
+    }
+
+    /// Specifies whether text responses should signal a UTF-8 encoding.
+    ///
+    /// Default is false (but will default to true in a future version).
+    #[inline]
+    pub fn prefer_utf8(mut self, value: bool) -> Self {
+        self.flags.set(Flags::PREFER_UTF8, value);
+        self
+    }
+
+    /// Creates an `ETag` in a format is similar to Apache's.
+    pub(crate) fn etag(&self) -> Option<header::EntityTag> {
+        self.modified.as_ref().map(|mtime| {
+            let ino = {
+                #[cfg(unix)]
+                {
+                    #[cfg(unix)]
+                    use std::os::unix::fs::MetadataExt as _;
+
+                    self.md.ino()
+                }
+
+                #[cfg(not(unix))]
+                {
+                    0
+                }
+            };
+
+            let dur = mtime
+                .duration_since(UNIX_EPOCH)
+                .expect("modification time must be after epoch");
+
+            header::EntityTag::new_strong(format!(
+                "{:x}:{:x}:{:x}:{:x}",
+                ino,
+                self.md.len(),
+                dur.as_secs(),
+                dur.subsec_nanos()
+            ))
+        })
+    }
+
+    pub(crate) fn last_modified(&self) -> Option<header::HttpDate> {
+        self.modified.map(|mtime| mtime.into())
+    }
+
+    /// Creates an `HttpResponse` with file as a streaming body.
+    pub fn into_response(self, req: &HttpRequest) -> HttpResponse<BoxBody> {
+        if self.status_code != StatusCode::OK {
+            let mut res = HttpResponse::build(self.status_code);
+
+            let ct = if self.flags.contains(Flags::PREFER_UTF8) {
+                equiv_utf8_text(self.content_type.clone())
+            } else {
+                self.content_type
+            };
+
+            res.insert_header((header::CONTENT_TYPE, ct.to_string()));
+
+            if self.flags.contains(Flags::CONTENT_DISPOSITION) {
+                res.insert_header((
+                    header::CONTENT_DISPOSITION,
+                    self.content_disposition.to_string(),
+                ));
+            }
+
+            if let Some(current_encoding) = self.encoding {
+                res.insert_header((header::CONTENT_ENCODING, current_encoding.as_str()));
+            }
+
+            let reader = chunked::new_chunked_read(self.md.len(), 0, self.file);
+
+            return res.streaming(reader);
+        }
+
+        let etag = if self.flags.contains(Flags::ETAG) {
+            self.etag()
+        } else {
+            None
+        };
+
+        let last_modified = if self.flags.contains(Flags::LAST_MD) {
+            self.last_modified()
+        } else {
+            None
+        };
+
+        // check preconditions
+        let precondition_failed = if !any_match(etag.as_ref(), req) {
+            true
+        } else if let (Some(ref m), Some(header::IfUnmodifiedSince(ref since))) =
+            (last_modified, req.get_header())
+        {
+            let t1: SystemTime = (*m).into();
+            let t2: SystemTime = (*since).into();
+
+            match (t1.duration_since(UNIX_EPOCH), t2.duration_since(UNIX_EPOCH)) {
+                (Ok(t1), Ok(t2)) => t1.as_secs() > t2.as_secs(),
+                _ => false,
+            }
+        } else {
+            false
+        };
+
+        // check last modified
+        let not_modified = if !none_match(etag.as_ref(), req) {
+            true
+        } else if req.headers().contains_key(header::IF_NONE_MATCH) {
+            false
+        } else if let (Some(ref m), Some(header::IfModifiedSince(ref since))) =
+            (last_modified, req.get_header())
+        {
+            let t1: SystemTime = (*m).into();
+            let t2: SystemTime = (*since).into();
+
+            match (t1.duration_since(UNIX_EPOCH), t2.duration_since(UNIX_EPOCH)) {
+                (Ok(t1), Ok(t2)) => t1.as_secs() <= t2.as_secs(),
+                _ => false,
+            }
+        } else {
+            false
+        };
+
+        let mut res = HttpResponse::build(self.status_code);
+
+        let ct = if self.flags.contains(Flags::PREFER_UTF8) {
+            equiv_utf8_text(self.content_type.clone())
+        } else {
+            self.content_type
+        };
+
+        res.insert_header((header::CONTENT_TYPE, ct.to_string()));
+
+        if self.flags.contains(Flags::CONTENT_DISPOSITION) {
+            res.insert_header((
+                header::CONTENT_DISPOSITION,
+                self.content_disposition.to_string(),
+            ));
+        }
+
+        if let Some(current_encoding) = self.encoding {
+            res.insert_header((header::CONTENT_ENCODING, current_encoding.as_str()));
+        }
+
+        if let Some(lm) = last_modified {
+            res.insert_header((header::LAST_MODIFIED, lm.to_string()));
+        }
+
+        if let Some(etag) = etag {
+            res.insert_header((header::ETAG, etag.to_string()));
+        }
+
+        res.insert_header((header::ACCEPT_RANGES, "bytes"));
+
+        let mut length = self.md.len();
+        let mut offset = 0;
+
+        // check for range header
+        if let Some(ranges) = req.headers().get(header::RANGE) {
+            if let Ok(ranges_header) = ranges.to_str() {
+                if let Ok(ranges) = HttpRange::parse(ranges_header, length) {
+                    length = ranges[0].length;
+                    offset = ranges[0].start;
+
+                    // When a Content-Encoding header is present in a 206 partial content response
+                    // for video content, it prevents browser video players from starting playback
+                    // before loading the whole video and also prevents seeking.
+                    //
+                    // See: https://github.com/actix/actix-web/issues/2815
+                    //
+                    // The assumption of this fix is that the video player knows to not send an
+                    // Accept-Encoding header for this request and that downstream middleware will
+                    // not attempt compression for requests without it.
+                    //
+                    // TODO: Solve question around what to do if self.encoding is set and partial
+                    // range is requested. Reject request? Ignoring self.encoding seems wrong, too.
+                    // In practice, it should not come up.
+                    if req.headers().contains_key(&header::ACCEPT_ENCODING) {
+                        // don't allow compression middleware to modify partial content
+                        res.insert_header((
+                            header::CONTENT_ENCODING,
+                            HeaderValue::from_static("identity"),
+                        ));
+                    }
+
+                    res.insert_header((
+                        header::CONTENT_RANGE,
+                        format!("bytes {}-{}/{}", offset, offset + length - 1, self.md.len()),
+                    ));
+                } else {
+                    res.insert_header((header::CONTENT_RANGE, format!("bytes */{}", length)));
+                    return res.status(StatusCode::RANGE_NOT_SATISFIABLE).finish();
+                };
+            } else {
+                return res.status(StatusCode::BAD_REQUEST).finish();
+            };
+        };
+
+        if precondition_failed {
+            return res.status(StatusCode::PRECONDITION_FAILED).finish();
+        } else if not_modified {
+            return res
+                .status(StatusCode::NOT_MODIFIED)
+                .body(body::None::new())
+                .map_into_boxed_body();
+        }
+
+        let reader = chunked::new_chunked_read(length, offset, self.file);
+
+        if offset != 0 || length != self.md.len() {
+            res.status(StatusCode::PARTIAL_CONTENT);
+        }
+
+        res.body(SizedStream::new(length, reader))
+    }
+}
+
+/// Returns true if `req` has no `If-Match` header or one which matches `etag`.
+fn any_match(etag: Option<&header::EntityTag>, req: &HttpRequest) -> bool {
+    match req.get_header::<header::IfMatch>() {
+        None | Some(header::IfMatch::Any) => true,
+
+        Some(header::IfMatch::Items(ref items)) => {
+            if let Some(some_etag) = etag {
+                for item in items {
+                    if item.strong_eq(some_etag) {
+                        return true;
+                    }
+                }
+            }
+
+            false
+        }
+    }
+}
+
+/// Returns true if `req` doesn't have an `If-None-Match` header matching `req`.
+fn none_match(etag: Option<&header::EntityTag>, req: &HttpRequest) -> bool {
+    match req.get_header::<header::IfNoneMatch>() {
+        Some(header::IfNoneMatch::Any) => false,
+
+        Some(header::IfNoneMatch::Items(ref items)) => {
+            if let Some(some_etag) = etag {
+                for item in items {
+                    if item.weak_eq(some_etag) {
+                        return false;
+                    }
+                }
+            }
+
+            true
+        }
+
+        None => true,
+    }
+}
+
+impl Responder for NamedFile {
+    type Body = BoxBody;
+
+    fn respond_to(self, req: &HttpRequest) -> HttpResponse<Self::Body> {
+        self.into_response(req)
+    }
+}
+
+impl ServiceFactory<ServiceRequest> for NamedFile {
+    type Response = ServiceResponse;
+    type Error = Error;
+    type Config = ();
+    type Service = NamedFileService;
+    type InitError = ();
+    type Future = LocalBoxFuture<'static, Result<Self::Service, Self::InitError>>;
+
+    fn new_service(&self, _: ()) -> Self::Future {
+        let service = NamedFileService {
+            path: self.path.clone(),
+        };
+
+        Box::pin(async move { Ok(service) })
+    }
+}
+
+#[doc(hidden)]
+#[derive(Debug)]
+pub struct NamedFileService {
+    path: PathBuf,
+}
+
+impl Service<ServiceRequest> for NamedFileService {
+    type Response = ServiceResponse;
+    type Error = Error;
+    type Future = LocalBoxFuture<'static, Result<Self::Response, Self::Error>>;
+
+    dev::always_ready!();
+
+    fn call(&self, req: ServiceRequest) -> Self::Future {
+        let (req, _) = req.into_parts();
+
+        let path = self.path.clone();
+        Box::pin(async move {
+            let file = NamedFile::open_async(path).await?;
+            let res = file.into_response(&req);
+            Ok(ServiceResponse::new(req, res))
+        })
+    }
+}
+
+impl HttpServiceFactory for NamedFile {
+    fn register(self, config: &mut AppService) {
+        config.register_service(
+            ResourceDef::root_prefix(self.path.to_string_lossy().as_ref()),
+            None,
+            self,
+            None,
+        )
+    }
+}

actix-files/src/path_buf.rs

@@ -0,0 +1,188 @@
+use std::{
+    path::{Component, Path, PathBuf},
+    str::FromStr,
+};
+
+use actix_utils::future::{ready, Ready};
+use actix_web::{dev::Payload, FromRequest, HttpRequest};
+
+use crate::error::UriSegmentError;
+
+#[derive(Debug, PartialEq, Eq)]
+pub(crate) struct PathBufWrap(PathBuf);
+
+impl FromStr for PathBufWrap {
+    type Err = UriSegmentError;
+
+    fn from_str(path: &str) -> Result<Self, Self::Err> {
+        Self::parse_path(path, false)
+    }
+}
+
+impl PathBufWrap {
+    /// Parse a path, giving the choice of allowing hidden files to be considered valid segments.
+    ///
+    /// Path traversal is guarded by this method.
+    pub fn parse_path(path: &str, hidden_files: bool) -> Result<Self, UriSegmentError> {
+        let mut buf = PathBuf::new();
+
+        // equivalent to `path.split('/').count()`
+        let mut segment_count = path.matches('/').count() + 1;
+
+        // we can decode the whole path here (instead of per-segment decoding)
+        // because we will reject `%2F` in paths using `segment_count`.
+        let path = percent_encoding::percent_decode_str(path)
+            .decode_utf8()
+            .map_err(|_| UriSegmentError::NotValidUtf8)?;
+
+        // disallow decoding `%2F` into `/`
+        if segment_count != path.matches('/').count() + 1 {
+            return Err(UriSegmentError::BadChar('/'));
+        }
+
+        for segment in path.split('/') {
+            if segment == ".." {
+                segment_count -= 1;
+                buf.pop();
+            } else if !hidden_files && segment.starts_with('.') {
+                return Err(UriSegmentError::BadStart('.'));
+            } else if segment.starts_with('*') {
+                return Err(UriSegmentError::BadStart('*'));
+            } else if segment.ends_with(':') {
+                return Err(UriSegmentError::BadEnd(':'));
+            } else if segment.ends_with('>') {
+                return Err(UriSegmentError::BadEnd('>'));
+            } else if segment.ends_with('<') {
+                return Err(UriSegmentError::BadEnd('<'));
+            } else if segment.is_empty() {
+                segment_count -= 1;
+                continue;
+            } else if cfg!(windows) && segment.contains('\\') {
+                return Err(UriSegmentError::BadChar('\\'));
+            } else if cfg!(windows) && segment.contains(':') {
+                return Err(UriSegmentError::BadChar(':'));
+            } else {
+                buf.push(segment)
+            }
+        }
+
+        // make sure we agree with stdlib parser
+        for (i, component) in buf.components().enumerate() {
+            assert!(
+                matches!(component, Component::Normal(_)),
+                "component `{:?}` is not normal",
+                component
+            );
+            assert!(i < segment_count);
+        }
+
+        Ok(PathBufWrap(buf))
+    }
+}
+
+impl AsRef<Path> for PathBufWrap {
+    fn as_ref(&self) -> &Path {
+        self.0.as_ref()
+    }
+}
+
+impl FromRequest for PathBufWrap {
+    type Error = UriSegmentError;
+    type Future = Ready<Result<Self, Self::Error>>;
+
+    fn from_request(req: &HttpRequest, _: &mut Payload) -> Self::Future {
+        ready(req.match_info().unprocessed().parse())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_path_buf() {
+        assert_eq!(
+            PathBufWrap::from_str("/test/.tt").map(|t| t.0),
+            Err(UriSegmentError::BadStart('.'))
+        );
+        assert_eq!(
+            PathBufWrap::from_str("/test/*tt").map(|t| t.0),
+            Err(UriSegmentError::BadStart('*'))
+        );
+        assert_eq!(
+            PathBufWrap::from_str("/test/tt:").map(|t| t.0),
+            Err(UriSegmentError::BadEnd(':'))
+        );
+        assert_eq!(
+            PathBufWrap::from_str("/test/tt<").map(|t| t.0),
+            Err(UriSegmentError::BadEnd('<'))
+        );
+        assert_eq!(
+            PathBufWrap::from_str("/test/tt>").map(|t| t.0),
+            Err(UriSegmentError::BadEnd('>'))
+        );
+        assert_eq!(
+            PathBufWrap::from_str("/seg1/seg2/").unwrap().0,
+            PathBuf::from_iter(vec!["seg1", "seg2"])
+        );
+        assert_eq!(
+            PathBufWrap::from_str("/seg1/../seg2/").unwrap().0,
+            PathBuf::from_iter(vec!["seg2"])
+        );
+    }
+
+    #[test]
+    fn test_parse_path() {
+        assert_eq!(
+            PathBufWrap::parse_path("/test/.tt", false).map(|t| t.0),
+            Err(UriSegmentError::BadStart('.'))
+        );
+
+        assert_eq!(
+            PathBufWrap::parse_path("/test/.tt", true).unwrap().0,
+            PathBuf::from_iter(vec!["test", ".tt"])
+        );
+    }
+
+    #[test]
+    fn path_traversal() {
+        assert_eq!(
+            PathBufWrap::parse_path("/../README.md", false).unwrap().0,
+            PathBuf::from_iter(vec!["README.md"])
+        );
+
+        assert_eq!(
+            PathBufWrap::parse_path("/../README.md", true).unwrap().0,
+            PathBuf::from_iter(vec!["README.md"])
+        );
+
+        assert_eq!(
+            PathBufWrap::parse_path("/../../../../../../../../../../etc/passwd", false)
+                .unwrap()
+                .0,
+            PathBuf::from_iter(vec!["etc/passwd"])
+        );
+    }
+
+    #[test]
+    #[cfg_attr(windows, should_panic)]
+    fn windows_drive_traversal() {
+        // detect issues in windows that could lead to path traversal
+        // see <https://github.com/SergioBenitez/Rocket/issues/1949
+
+        assert_eq!(
+            PathBufWrap::parse_path("C:test.txt", false).unwrap().0,
+            PathBuf::from_iter(vec!["C:test.txt"])
+        );
+
+        assert_eq!(
+            PathBufWrap::parse_path("C:../whatever", false).unwrap().0,
+            PathBuf::from_iter(vec!["C:../whatever"])
+        );
+
+        assert_eq!(
+            PathBufWrap::parse_path(":test.txt", false).unwrap().0,
+            PathBuf::from_iter(vec![":test.txt"])
+        );
+    }
+}

actix-files/src/range.rs

@@ -0,0 +1,338 @@
+use std::fmt;
+
+use derive_more::Error;
+
+/// Copy of `http_range::HttpRangeParseError`.
+#[derive(Debug, Clone)]
+enum HttpRangeParseError {
+    InvalidRange,
+    NoOverlap,
+}
+
+impl From<http_range::HttpRangeParseError> for HttpRangeParseError {
+    fn from(err: http_range::HttpRangeParseError) -> Self {
+        match err {
+            http_range::HttpRangeParseError::InvalidRange => Self::InvalidRange,
+            http_range::HttpRangeParseError::NoOverlap => Self::NoOverlap,
+        }
+    }
+}
+
+#[derive(Debug, Clone, Error)]
+#[non_exhaustive]
+pub struct ParseRangeErr(#[error(not(source))] HttpRangeParseError);
+
+impl fmt::Display for ParseRangeErr {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.write_str("invalid Range header: ")?;
+        f.write_str(match self.0 {
+            HttpRangeParseError::InvalidRange => "invalid syntax",
+            HttpRangeParseError::NoOverlap => "range starts after end of content",
+        })
+    }
+}
+
+/// HTTP Range header representation.
+#[derive(Debug, Clone, Copy)]
+pub struct HttpRange {
+    /// Start of range.
+    pub start: u64,
+
+    /// Length of range.
+    pub length: u64,
+}
+
+impl HttpRange {
+    /// Parses Range HTTP header string as per RFC 2616.
+    ///
+    /// `header` is HTTP Range header (e.g. `bytes=bytes=0-9`).
+    /// `size` is full size of response (file).
+    pub fn parse(header: &str, size: u64) -> Result<Vec<HttpRange>, ParseRangeErr> {
+        let ranges =
+            http_range::HttpRange::parse(header, size).map_err(|err| ParseRangeErr(err.into()))?;
+
+        Ok(ranges
+            .iter()
+            .map(|range| HttpRange {
+                start: range.start,
+                length: range.length,
+            })
+            .collect())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    struct T(&'static str, u64, Vec<HttpRange>);
+
+    #[test]
+    fn test_parse() {
+        let tests = vec![
+            T("", 0, vec![]),
+            T("", 1000, vec![]),
+            T("foo", 0, vec![]),
+            T("bytes=", 0, vec![]),
+            T("bytes=7", 10, vec![]),
+            T("bytes= 7 ", 10, vec![]),
+            T("bytes=1-", 0, vec![]),
+            T("bytes=5-4", 10, vec![]),
+            T("bytes=0-2,5-4", 10, vec![]),
+            T("bytes=2-5,4-3", 10, vec![]),
+            T("bytes=--5,4--3", 10, vec![]),
+            T("bytes=A-", 10, vec![]),
+            T("bytes=A- ", 10, vec![]),
+            T("bytes=A-Z", 10, vec![]),
+            T("bytes= -Z", 10, vec![]),
+            T("bytes=5-Z", 10, vec![]),
+            T("bytes=Ran-dom, garbage", 10, vec![]),
+            T("bytes=0x01-0x02", 10, vec![]),
+            T("bytes=         ", 10, vec![]),
+            T("bytes= , , ,   ", 10, vec![]),
+            T(
+                "bytes=0-9",
+                10,
+                vec![HttpRange {
+                    start: 0,
+                    length: 10,
+                }],
+            ),
+            T(
+                "bytes=0-",
+                10,
+                vec![HttpRange {
+                    start: 0,
+                    length: 10,
+                }],
+            ),
+            T(
+                "bytes=5-",
+                10,
+                vec![HttpRange {
+                    start: 5,
+                    length: 5,
+                }],
+            ),
+            T(
+                "bytes=0-20",
+                10,
+                vec![HttpRange {
+                    start: 0,
+                    length: 10,
+                }],
+            ),
+            T(
+                "bytes=15-,0-5",
+                10,
+                vec![HttpRange {
+                    start: 0,
+                    length: 6,
+                }],
+            ),
+            T(
+                "bytes=1-2,5-",
+                10,
+                vec![
+                    HttpRange {
+                        start: 1,
+                        length: 2,
+                    },
+                    HttpRange {
+                        start: 5,
+                        length: 5,
+                    },
+                ],
+            ),
+            T(
+                "bytes=-2 , 7-",
+                11,
+                vec![
+                    HttpRange {
+                        start: 9,
+                        length: 2,
+                    },
+                    HttpRange {
+                        start: 7,
+                        length: 4,
+                    },
+                ],
+            ),
+            T(
+                "bytes=0-0 ,2-2, 7-",
+                11,
+                vec![
+                    HttpRange {
+                        start: 0,
+                        length: 1,
+                    },
+                    HttpRange {
+                        start: 2,
+                        length: 1,
+                    },
+                    HttpRange {
+                        start: 7,
+                        length: 4,
+                    },
+                ],
+            ),
+            T(
+                "bytes=-5",
+                10,
+                vec![HttpRange {
+                    start: 5,
+                    length: 5,
+                }],
+            ),
+            T(
+                "bytes=-15",
+                10,
+                vec![HttpRange {
+                    start: 0,
+                    length: 10,
+                }],
+            ),
+            T(
+                "bytes=0-499",
+                10000,
+                vec![HttpRange {
+                    start: 0,
+                    length: 500,
+                }],
+            ),
+            T(
+                "bytes=500-999",
+                10000,
+                vec![HttpRange {
+                    start: 500,
+                    length: 500,
+                }],
+            ),
+            T(
+                "bytes=-500",
+                10000,
+                vec![HttpRange {
+                    start: 9500,
+                    length: 500,
+                }],
+            ),
+            T(
+                "bytes=9500-",
+                10000,
+                vec![HttpRange {
+                    start: 9500,
+                    length: 500,
+                }],
+            ),
+            T(
+                "bytes=0-0,-1",
+                10000,
+                vec![
+                    HttpRange {
+                        start: 0,
+                        length: 1,
+                    },
+                    HttpRange {
+                        start: 9999,
+                        length: 1,
+                    },
+                ],
+            ),
+            T(
+                "bytes=500-600,601-999",
+                10000,
+                vec![
+                    HttpRange {
+                        start: 500,
+                        length: 101,
+                    },
+                    HttpRange {
+                        start: 601,
+                        length: 399,
+                    },
+                ],
+            ),
+            T(
+                "bytes=500-700,601-999",
+                10000,
+                vec![
+                    HttpRange {
+                        start: 500,
+                        length: 201,
+                    },
+                    HttpRange {
+                        start: 601,
+                        length: 399,
+                    },
+                ],
+            ),
+            // Match Apache laxity:
+            T(
+                "bytes=   1 -2   ,  4- 5, 7 - 8 , ,,",
+                11,
+                vec![
+                    HttpRange {
+                        start: 1,
+                        length: 2,
+                    },
+                    HttpRange {
+                        start: 4,
+                        length: 2,
+                    },
+                    HttpRange {
+                        start: 7,
+                        length: 2,
+                    },
+                ],
+            ),
+        ];
+
+        for t in tests {
+            let header = t.0;
+            let size = t.1;
+            let expected = t.2;
+
+            let res = HttpRange::parse(header, size);
+
+            if res.is_err() {
+                if expected.is_empty() {
+                    continue;
+                } else {
+                    panic!(
+                        "parse({}, {}) returned error {:?}",
+                        header,
+                        size,
+                        res.unwrap_err()
+                    );
+                }
+            }
+
+            let got = res.unwrap();
+
+            if got.len() != expected.len() {
+                panic!(
+                    "len(parseRange({}, {})) = {}, want {}",
+                    header,
+                    size,
+                    got.len(),
+                    expected.len()
+                );
+            }
+
+            for i in 0..expected.len() {
+                if got[i].start != expected[i].start {
+                    panic!(
+                        "parseRange({}, {})[{}].start = {}, want {}",
+                        header, size, i, got[i].start, expected[i].start
+                    )
+                }
+                if got[i].length != expected[i].length {
+                    panic!(
+                        "parseRange({}, {})[{}].length = {}, want {}",
+                        header, size, i, got[i].length, expected[i].length
+                    )
+                }
+            }
+        }
+    }
+}

actix-files/src/service.rs

@@ -0,0 +1,188 @@
+use std::{fmt, io, ops::Deref, path::PathBuf, rc::Rc};
+
+use actix_web::{
+    body::BoxBody,
+    dev::{self, Service, ServiceRequest, ServiceResponse},
+    error::Error,
+    guard::Guard,
+    http::{header, Method},
+    HttpResponse,
+};
+use futures_core::future::LocalBoxFuture;
+
+use crate::{
+    named, Directory, DirectoryRenderer, FilesError, HttpService, MimeOverride, NamedFile,
+    PathBufWrap, PathFilter,
+};
+
+/// Assembled file serving service.
+#[derive(Clone)]
+pub struct FilesService(pub(crate) Rc<FilesServiceInner>);
+
+impl Deref for FilesService {
+    type Target = FilesServiceInner;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+pub struct FilesServiceInner {
+    pub(crate) directory: PathBuf,
+    pub(crate) index: Option<String>,
+    pub(crate) show_index: bool,
+    pub(crate) redirect_to_slash: bool,
+    pub(crate) default: Option<HttpService>,
+    pub(crate) renderer: Rc<DirectoryRenderer>,
+    pub(crate) mime_override: Option<Rc<MimeOverride>>,
+    pub(crate) path_filter: Option<Rc<PathFilter>>,
+    pub(crate) file_flags: named::Flags,
+    pub(crate) guards: Option<Rc<dyn Guard>>,
+    pub(crate) hidden_files: bool,
+}
+
+impl fmt::Debug for FilesServiceInner {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.write_str("FilesServiceInner")
+    }
+}
+
+impl FilesService {
+    async fn handle_err(
+        &self,
+        err: io::Error,
+        req: ServiceRequest,
+    ) -> Result<ServiceResponse, Error> {
+        log::debug!("error handling {}: {}", req.path(), err);
+
+        if let Some(ref default) = self.default {
+            default.call(req).await
+        } else {
+            Ok(req.error_response(err))
+        }
+    }
+
+    fn serve_named_file(&self, req: ServiceRequest, mut named_file: NamedFile) -> ServiceResponse {
+        if let Some(ref mime_override) = self.mime_override {
+            let new_disposition = mime_override(&named_file.content_type.type_());
+            named_file.content_disposition.disposition = new_disposition;
+        }
+        named_file.flags = self.file_flags;
+
+        let (req, _) = req.into_parts();
+        let res = named_file.into_response(&req);
+        ServiceResponse::new(req, res)
+    }
+
+    fn show_index(&self, req: ServiceRequest, path: PathBuf) -> ServiceResponse {
+        let dir = Directory::new(self.directory.clone(), path);
+
+        let (req, _) = req.into_parts();
+
+        (self.renderer)(&dir, &req).unwrap_or_else(|err| ServiceResponse::from_err(err, req))
+    }
+}
+
+impl fmt::Debug for FilesService {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.write_str("FilesService")
+    }
+}
+
+impl Service<ServiceRequest> for FilesService {
+    type Response = ServiceResponse<BoxBody>;
+    type Error = Error;
+    type Future = LocalBoxFuture<'static, Result<Self::Response, Self::Error>>;
+
+    dev::always_ready!();
+
+    fn call(&self, req: ServiceRequest) -> Self::Future {
+        let is_method_valid = if let Some(guard) = &self.guards {
+            // execute user defined guards
+            (**guard).check(&req.guard_ctx())
+        } else {
+            // default behavior
+            matches!(*req.method(), Method::HEAD | Method::GET)
+        };
+
+        let this = self.clone();
+
+        Box::pin(async move {
+            if !is_method_valid {
+                return Ok(req.into_response(
+                    HttpResponse::MethodNotAllowed()
+                        .insert_header(header::ContentType(mime::TEXT_PLAIN_UTF_8))
+                        .body("Request did not meet this resource's requirements."),
+                ));
+            }
+
+            let path_on_disk =
+                match PathBufWrap::parse_path(req.match_info().unprocessed(), this.hidden_files) {
+                    Ok(item) => item,
+                    Err(err) => return Ok(req.error_response(err)),
+                };
+
+            if let Some(filter) = &this.path_filter {
+                if !filter(path_on_disk.as_ref(), req.head()) {
+                    if let Some(ref default) = this.default {
+                        return default.call(req).await;
+                    } else {
+                        return Ok(req.into_response(HttpResponse::NotFound().finish()));
+                    }
+                }
+            }
+
+            // full file path
+            let path = this.directory.join(&path_on_disk);
+            if let Err(err) = path.canonicalize() {
+                return this.handle_err(err, req).await;
+            }
+
+            if path.is_dir() {
+                if this.redirect_to_slash
+                    && !req.path().ends_with('/')
+                    && (this.index.is_some() || this.show_index)
+                {
+                    let redirect_to = format!("{}/", req.path());
+
+                    return Ok(req.into_response(
+                        HttpResponse::Found()
+                            .insert_header((header::LOCATION, redirect_to))
+                            .finish(),
+                    ));
+                }
+
+                match this.index {
+                    Some(ref index) => {
+                        let named_path = path.join(index);
+                        match NamedFile::open_async(named_path).await {
+                            Ok(named_file) => Ok(this.serve_named_file(req, named_file)),
+                            Err(_) if this.show_index => Ok(this.show_index(req, path)),
+                            Err(err) => this.handle_err(err, req).await,
+                        }
+                    }
+                    None if this.show_index => Ok(this.show_index(req, path)),
+                    None => Ok(ServiceResponse::from_err(
+                        FilesError::IsDirectory,
+                        req.into_parts().0,
+                    )),
+                }
+            } else {
+                match NamedFile::open_async(&path).await {
+                    Ok(mut named_file) => {
+                        if let Some(ref mime_override) = this.mime_override {
+                            let new_disposition = mime_override(&named_file.content_type.type_());
+                            named_file.content_disposition.disposition = new_disposition;
+                        }
+                        named_file.flags = this.file_flags;
+
+                        let (req, _) = req.into_parts();
+                        let res = named_file.into_response(&req);
+                        Ok(ServiceResponse::new(req, res))
+                    }
+                    Err(err) => this.handle_err(err, req).await,
+                }
+            }
+        })
+    }
+}

actix-files/tests/encoding.rs

@@ -0,0 +1,65 @@
+use actix_files::{Files, NamedFile};
+use actix_web::{
+    http::{
+        header::{self, HeaderValue},
+        StatusCode,
+    },
+    test::{self, TestRequest},
+    web, App,
+};
+
+#[actix_web::test]
+async fn test_utf8_file_contents() {
+    // use default ISO-8859-1 encoding
+    let srv = test::init_service(App::new().service(Files::new("/", "./tests"))).await;
+
+    let req = TestRequest::with_uri("/utf8.txt").to_request();
+    let res = test::call_service(&srv, req).await;
+
+    assert_eq!(res.status(), StatusCode::OK);
+    assert_eq!(
+        res.headers().get(header::CONTENT_TYPE),
+        Some(&HeaderValue::from_static("text/plain; charset=utf-8")),
+    );
+
+    // disable UTF-8 attribute
+    let srv =
+        test::init_service(App::new().service(Files::new("/", "./tests").prefer_utf8(false))).await;
+
+    let req = TestRequest::with_uri("/utf8.txt").to_request();
+    let res = test::call_service(&srv, req).await;
+
+    assert_eq!(res.status(), StatusCode::OK);
+    assert_eq!(
+        res.headers().get(header::CONTENT_TYPE),
+        Some(&HeaderValue::from_static("text/plain")),
+    );
+}
+
+#[actix_web::test]
+async fn partial_range_response_encoding() {
+    let srv = test::init_service(App::new().default_service(web::to(|| async {
+        NamedFile::open_async("./tests/test.binary").await.unwrap()
+    })))
+    .await;
+
+    // range request without accept-encoding returns no content-encoding header
+    let req = TestRequest::with_uri("/")
+        .append_header((header::RANGE, "bytes=10-20"))
+        .to_request();
+    let res = test::call_service(&srv, req).await;
+    assert_eq!(res.status(), StatusCode::PARTIAL_CONTENT);
+    assert!(!res.headers().contains_key(header::CONTENT_ENCODING));
+
+    // range request with accept-encoding returns a content-encoding header
+    let req = TestRequest::with_uri("/")
+        .append_header((header::RANGE, "bytes=10-20"))
+        .append_header((header::ACCEPT_ENCODING, "identity"))
+        .to_request();
+    let res = test::call_service(&srv, req).await;
+    assert_eq!(res.status(), StatusCode::PARTIAL_CONTENT);
+    assert_eq!(
+        res.headers().get(header::CONTENT_ENCODING).unwrap(),
+        "identity"
+    );
+}

actix-files/tests/fixtures/guards/first/index.txt

@@ -0,0 +1 @@
+first

actix-files/tests/fixtures/guards/second/index.txt

@@ -0,0 +1 @@
+second

actix-files/tests/guard.rs

@@ -0,0 +1,34 @@
+use actix_files::Files;
+use actix_web::{
+    guard::Host,
+    http::StatusCode,
+    test::{self, TestRequest},
+    App,
+};
+use bytes::Bytes;
+
+#[actix_web::test]
+async fn test_guard_filter() {
+    let srv = test::init_service(
+        App::new()
+            .service(Files::new("/", "./tests/fixtures/guards/first").guard(Host("first.com")))
+            .service(Files::new("/", "./tests/fixtures/guards/second").guard(Host("second.com"))),
+    )
+    .await;
+
+    let req = TestRequest::with_uri("/index.txt")
+        .append_header(("Host", "first.com"))
+        .to_request();
+    let res = test::call_service(&srv, req).await;
+
+    assert_eq!(res.status(), StatusCode::OK);
+    assert_eq!(test::read_body(res).await, Bytes::from("first"));
+
+    let req = TestRequest::with_uri("/index.txt")
+        .append_header(("Host", "second.com"))
+        .to_request();
+    let res = test::call_service(&srv, req).await;
+
+    assert_eq!(res.status(), StatusCode::OK);
+    assert_eq!(test::read_body(res).await, Bytes::from("second"));
+}

actix-files/tests/symlink-test.png

@@ -0,0 +1 @@
+test.png

actix-files/tests/test space.binary

@@ -0,0 +1 @@
+ÂTÇ‘É‚Vù2þvI ª–\ÇRË™–ˆæeÞ<04>vDØ:è—½¬RVÖYpíÿ;ÍÏGñùp!2÷CŒ.–<0C>û®õpA!ûߦÙx	j+Uc÷±©X”c%Û;ï"yì­AI

actix-files/tests/test.binary

@@ -0,0 +1 @@
+ÂTÇ‘É‚Vù2þvI ª–\ÇRË™–ˆæeÞ<04>vDØ:è—½¬RVÖYpíÿ;ÍÏGñùp!2÷CŒ.–<0C>û®õpA!ûߦÙx	j+Uc÷±©X”c%Û;ï"yì­AI

actix-files/tests/test.js

@@ -0,0 +1 @@
+// this file is empty.

actix-files/tests/traversal.rs

@@ -0,0 +1,26 @@
+use actix_files::Files;
+use actix_web::{
+    http::StatusCode,
+    test::{self, TestRequest},
+    App,
+};
+
+#[actix_rt::test]
+async fn test_directory_traversal_prevention() {
+    let srv = test::init_service(App::new().service(Files::new("/", "./tests"))).await;
+
+    let req = TestRequest::with_uri("/../../../../../../../../../../../etc/passwd").to_request();
+    let res = test::call_service(&srv, req).await;
+    assert_eq!(res.status(), StatusCode::NOT_FOUND);
+
+    let req = TestRequest::with_uri(
+        "/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/etc/passwd",
+    )
+    .to_request();
+    let res = test::call_service(&srv, req).await;
+    assert_eq!(res.status(), StatusCode::NOT_FOUND);
+
+    let req = TestRequest::with_uri("/%00/etc/passwd%00").to_request();
+    let res = test::call_service(&srv, req).await;
+    assert_eq!(res.status(), StatusCode::NOT_FOUND);
+}

actix-files/tests/utf8.txt

@@ -0,0 +1,3 @@
+中文内容显示正确。
+
+English is OK.

actix-http-test/CHANGES.md

@@ -0,0 +1,175 @@
+# Changes
+
+## Unreleased
+
+- Minimum supported Rust version (MSRV) is now 1.72.
+
+## 3.2.0
+
+- Minimum supported Rust version (MSRV) is now 1.68 due to transitive `time` dependency.
+
+## 3.1.0
+
+- Minimum supported Rust version (MSRV) is now 1.59.
+
+## 3.0.0
+
+- `TestServer::stop` is now async and will wait for the server and system to shutdown. [#2442]
+- Added `TestServer::client_headers` method. [#2097]
+- Update `actix-server` dependency to `2`.
+- Update `actix-tls` dependency to `3`.
+- Update `bytes` to `1.0`. [#1813]
+- Minimum supported Rust version (MSRV) is now 1.57.
+
+[#2442]: https://github.com/actix/actix-web/pull/2442
+[#2097]: https://github.com/actix/actix-web/pull/2097
+[#1813]: https://github.com/actix/actix-web/pull/1813
+
+<details>
+<summary>3.0.0 Pre-Releases</summary>
+
+## 3.0.0-beta.13
+
+- No significant changes since `3.0.0-beta.12`.
+
+## 3.0.0-beta.12
+
+- No significant changes since `3.0.0-beta.11`.
+
+## 3.0.0-beta.11
+
+- Minimum supported Rust version (MSRV) is now 1.54.
+
+## 3.0.0-beta.10
+
+- Update `actix-server` to `2.0.0-rc.2`. [#2550]
+
+[#2550]: https://github.com/actix/actix-web/pull/2550
+
+## 3.0.0-beta.9
+
+- No significant changes since `3.0.0-beta.8`.
+
+## 3.0.0-beta.8
+
+- Update `actix-tls` to `3.0.0-rc.1`. [#2474]
+
+[#2474]: https://github.com/actix/actix-web/pull/2474
+
+## 3.0.0-beta.7
+
+- Fix compatibility with experimental `io-uring` feature of `actix-rt`. [#2408]
+
+[#2408]: https://github.com/actix/actix-web/pull/2408
+
+## 3.0.0-beta.6
+
+- `TestServer::stop` is now async and will wait for the server and system to shutdown. [#2442]
+- Update `actix-server` to `2.0.0-beta.9`. [#2442]
+- Minimum supported Rust version (MSRV) is now 1.52.
+
+[#2442]: https://github.com/actix/actix-web/pull/2442
+
+## 3.0.0-beta.5
+
+- Minimum supported Rust version (MSRV) is now 1.51.
+
+## 3.0.0-beta.4
+
+- Added `TestServer::client_headers` method. [#2097]
+
+[#2097]: https://github.com/actix/actix-web/pull/2097
+
+## 3.0.0-beta.3
+
+- No notable changes.
+
+## 3.0.0-beta.2
+
+- No notable changes.
+
+## 3.0.0-beta.1
+
+- Update `bytes` to `1.0`. [#1813]
+
+[#1813]: https://github.com/actix/actix-web/pull/1813
+
+</details>
+
+## 2.1.0
+
+- Add ability to set address for `TestServer`. [#1645]
+- Upgrade `base64` to `0.13`.
+- Upgrade `serde_urlencoded` to `0.7`. [#1773]
+
+[#1773]: https://github.com/actix/actix-web/pull/1773
+[#1645]: https://github.com/actix/actix-web/pull/1645
+
+## 2.0.0
+
+- Update actix-codec and actix-utils dependencies.
+
+## 2.0.0-alpha.1
+
+- Update the `time` dependency to 0.2.7
+- Update `actix-connect` dependency to 2.0.0-alpha.2
+- Make `test_server` `async` fn.
+- Bump minimum supported Rust version to 1.40
+- Replace deprecated `net2` crate with `socket2`
+- Update `base64` dependency to 0.12
+- Update `env_logger` dependency to 0.7
+
+## 1.0.0
+
+- Replaced `TestServer::start()` with `test_server()`
+
+## 1.0.0-alpha.3
+
+- Migrate to `std::future`
+
+## 0.2.5
+
+- Update serde_urlencoded to "0.6.1"
+- Increase TestServerRuntime timeouts from 500ms to 3000ms
+- Do not override current `System`
+
+## 0.2.4
+
+- Update actix-server to 0.6
+
+## 0.2.3
+
+- Add `delete`, `options`, `patch` methods to `TestServerRunner`
+
+## 0.2.2
+
+- Add .put() and .sput() methods
+
+## 0.2.1
+
+- Add license files
+
+## 0.2.0
+
+- Update awc and actix-http deps
+
+## 0.1.1
+
+- Always make new connection for http client
+
+## 0.1.0
+
+- No changes
+
+## 0.1.0-alpha.3
+
+- Request functions accept path #743
+
+## 0.1.0-alpha.2
+
+- Added TestServerRuntime::load_body() method
+- Update actix-http and awc libraries
+
+## 0.1.0-alpha.1
+
+- Initial impl

actix-http-test/Cargo.toml

@@ -0,0 +1,64 @@
+[package]
+name = "actix-http-test"
+version = "3.2.0"
+authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
+description = "Various helpers for Actix applications to use during testing"
+keywords = ["http", "web", "framework", "async", "futures"]
+homepage = "https://actix.rs"
+repository = "https://github.com/actix/actix-web"
+categories = [
+    "network-programming",
+    "asynchronous",
+    "web-programming::http-server",
+    "web-programming::websocket",
+]
+license = "MIT OR Apache-2.0"
+edition = "2021"
+
+[package.metadata.docs.rs]
+features = []
+
+[package.metadata.cargo_check_external_types]
+allowed_external_types = [
+    "actix_codec::*",
+    "actix_http::*",
+    "actix_server::*",
+    "awc::*",
+    "bytes::*",
+    "futures_core::*",
+    "http::*",
+    "tokio::*",
+]
+
+[features]
+default = []
+
+# openssl
+openssl = ["tls-openssl", "awc/openssl"]
+
+[dependencies]
+actix-service = "2"
+actix-codec = "0.5"
+actix-tls = "3"
+actix-utils = "3"
+actix-rt = "2.2"
+actix-server = "2"
+awc = { version = "3", default-features = false }
+
+bytes = "1"
+futures-core = { version = "0.3.17", default-features = false }
+http = "0.2.7"
+log = "0.4"
+socket2 = "0.5"
+serde = "1"
+serde_json = "1"
+slab = "0.4"
+serde_urlencoded = "0.7"
+tls-openssl = { version = "0.10.55", package = "openssl", optional = true }
+tokio = { version = "1.24.2", features = ["sync"] }
+
+[dev-dependencies]
+actix-http = "3"
+
+[lints]
+workspace = true

actix-http-test/LICENSE-APACHE

@@ -0,0 +1 @@
+../LICENSE-APACHE

actix-http-test/LICENSE-MIT

@@ -0,0 +1 @@
+../LICENSE-MIT

actix-http-test/README.md

@@ -0,0 +1,20 @@
+# `actix-http-test`
+
+<!-- prettier-ignore-start -->
+
+[![crates.io](https://img.shields.io/crates/v/actix-http-test?label=latest)](https://crates.io/crates/actix-http-test)
+[![Documentation](https://docs.rs/actix-http-test/badge.svg?version=3.2.0)](https://docs.rs/actix-http-test/3.2.0)
+![Version](https://img.shields.io/badge/rustc-1.72+-ab6000.svg)
+![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-http-test)
+<br>
+[![Dependency Status](https://deps.rs/crate/actix-http-test/3.2.0/status.svg)](https://deps.rs/crate/actix-http-test/3.2.0)
+[![Download](https://img.shields.io/crates/d/actix-http-test.svg)](https://crates.io/crates/actix-http-test)
+[![Chat on Discord](https://img.shields.io/discord/771444961383153695?label=chat&logo=discord)](https://discord.gg/NWpN5mmg3x)
+
+<!-- prettier-ignore-end -->
+
+<!-- cargo-rdme start -->
+
+Various helpers for Actix applications to use during testing.
+
+<!-- cargo-rdme end -->

actix-http-test/src/lib.rs

@@ -0,0 +1,317 @@
+//! Various helpers for Actix applications to use during testing.
+
+#![doc(html_logo_url = "https://actix.rs/img/logo.png")]
+#![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+
+#[cfg(feature = "openssl")]
+extern crate tls_openssl as openssl;
+
+use std::{net, thread, time::Duration};
+
+use actix_codec::{AsyncRead, AsyncWrite, Framed};
+use actix_rt::{net::TcpStream, System};
+use actix_server::{Server, ServerServiceFactory};
+use awc::{
+    error::PayloadError, http::header::HeaderMap, ws, Client, ClientRequest, ClientResponse,
+    Connector,
+};
+use bytes::Bytes;
+use futures_core::stream::Stream;
+use http::Method;
+use socket2::{Domain, Protocol, Socket, Type};
+use tokio::sync::mpsc;
+
+/// Start test server.
+///
+/// `TestServer` is very simple test server that simplify process of writing integration tests cases
+/// for HTTP applications.
+///
+/// # Examples
+///
+/// ```
+/// use actix_http::{HttpService, Response, Error, StatusCode};
+/// use actix_http_test::test_server;
+/// use actix_service::{fn_service, map_config, ServiceFactoryExt as _};
+///
+/// #[actix_rt::test]
+/// # async fn hidden_test() {}
+/// async fn test_example() {
+///     let srv = test_server(|| {
+///         HttpService::build()
+///             .h1(fn_service(|req| async move {
+///                 Ok::<_, Error>(Response::ok())
+///             }))
+///             .tcp()
+///             .map_err(|_| ())
+///     })
+///     .await;
+///
+///     let req = srv.get("/");
+///     let response = req.send().await.unwrap();
+///
+///     assert_eq!(response.status(), StatusCode::OK);
+/// }
+/// # actix_rt::System::new().block_on(test_example());
+/// ```
+pub async fn test_server<F: ServerServiceFactory<TcpStream>>(factory: F) -> TestServer {
+    let tcp = net::TcpListener::bind("127.0.0.1:0").unwrap();
+    test_server_with_addr(tcp, factory).await
+}
+
+/// Start [`test server`](test_server()) on an existing address binding.
+pub async fn test_server_with_addr<F: ServerServiceFactory<TcpStream>>(
+    tcp: net::TcpListener,
+    factory: F,
+) -> TestServer {
+    let (started_tx, started_rx) = std::sync::mpsc::channel();
+    let (thread_stop_tx, thread_stop_rx) = mpsc::channel(1);
+
+    // run server in separate thread
+    thread::spawn(move || {
+        System::new().block_on(async move {
+            let local_addr = tcp.local_addr().unwrap();
+
+            let srv = Server::build()
+                .workers(1)
+                .disable_signals()
+                .system_exit()
+                .listen("test", tcp, factory)
+                .expect("test server could not be created");
+
+            let srv = srv.run();
+            started_tx
+                .send((System::current(), srv.handle(), local_addr))
+                .unwrap();
+
+            // drive server loop
+            srv.await.unwrap();
+        });
+
+        // notify TestServer that server and system have shut down
+        // all thread managed resources should be dropped at this point
+        #[allow(clippy::let_underscore_future)]
+        let _ = thread_stop_tx.send(());
+    });
+
+    let (system, server, addr) = started_rx.recv().unwrap();
+
+    let client = {
+        #[cfg(feature = "openssl")]
+        let connector = {
+            use openssl::ssl::{SslConnector, SslMethod, SslVerifyMode};
+
+            let mut builder = SslConnector::builder(SslMethod::tls()).unwrap();
+
+            builder.set_verify(SslVerifyMode::NONE);
+            let _ = builder
+                .set_alpn_protos(b"\x02h2\x08http/1.1")
+                .map_err(|err| log::error!("Can not set ALPN protocol: {err}"));
+
+            Connector::new()
+                .conn_lifetime(Duration::from_secs(0))
+                .timeout(Duration::from_millis(30000))
+                .openssl(builder.build())
+        };
+
+        #[cfg(not(feature = "openssl"))]
+        let connector = {
+            Connector::new()
+                .conn_lifetime(Duration::from_secs(0))
+                .timeout(Duration::from_millis(30000))
+        };
+
+        Client::builder().connector(connector).finish()
+    };
+
+    TestServer {
+        server,
+        client,
+        system,
+        addr,
+        thread_stop_rx,
+    }
+}
+
+/// Test server controller
+pub struct TestServer {
+    server: actix_server::ServerHandle,
+    client: awc::Client,
+    system: actix_rt::System,
+    addr: net::SocketAddr,
+    thread_stop_rx: mpsc::Receiver<()>,
+}
+
+impl TestServer {
+    /// Construct test server url
+    pub fn addr(&self) -> net::SocketAddr {
+        self.addr
+    }
+
+    /// Construct test server url
+    pub fn url(&self, uri: &str) -> String {
+        if uri.starts_with('/') {
+            format!("http://localhost:{}{}", self.addr.port(), uri)
+        } else {
+            format!("http://localhost:{}/{}", self.addr.port(), uri)
+        }
+    }
+
+    /// Construct test HTTPS server URL.
+    pub fn surl(&self, uri: &str) -> String {
+        if uri.starts_with('/') {
+            format!("https://localhost:{}{}", self.addr.port(), uri)
+        } else {
+            format!("https://localhost:{}/{}", self.addr.port(), uri)
+        }
+    }
+
+    /// Create `GET` request
+    pub fn get<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.get(self.url(path.as_ref()).as_str())
+    }
+
+    /// Create HTTPS `GET` request
+    pub fn sget<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.get(self.surl(path.as_ref()).as_str())
+    }
+
+    /// Create `POST` request
+    pub fn post<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.post(self.url(path.as_ref()).as_str())
+    }
+
+    /// Create HTTPS `POST` request
+    pub fn spost<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.post(self.surl(path.as_ref()).as_str())
+    }
+
+    /// Create `HEAD` request
+    pub fn head<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.head(self.url(path.as_ref()).as_str())
+    }
+
+    /// Create HTTPS `HEAD` request
+    pub fn shead<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.head(self.surl(path.as_ref()).as_str())
+    }
+
+    /// Create `PUT` request
+    pub fn put<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.put(self.url(path.as_ref()).as_str())
+    }
+
+    /// Create HTTPS `PUT` request
+    pub fn sput<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.put(self.surl(path.as_ref()).as_str())
+    }
+
+    /// Create `PATCH` request
+    pub fn patch<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.patch(self.url(path.as_ref()).as_str())
+    }
+
+    /// Create HTTPS `PATCH` request
+    pub fn spatch<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.patch(self.surl(path.as_ref()).as_str())
+    }
+
+    /// Create `DELETE` request
+    pub fn delete<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.delete(self.url(path.as_ref()).as_str())
+    }
+
+    /// Create HTTPS `DELETE` request
+    pub fn sdelete<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.delete(self.surl(path.as_ref()).as_str())
+    }
+
+    /// Create `OPTIONS` request
+    pub fn options<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.options(self.url(path.as_ref()).as_str())
+    }
+
+    /// Create HTTPS `OPTIONS` request
+    pub fn soptions<S: AsRef<str>>(&self, path: S) -> ClientRequest {
+        self.client.options(self.surl(path.as_ref()).as_str())
+    }
+
+    /// Connect to test HTTP server
+    pub fn request<S: AsRef<str>>(&self, method: Method, path: S) -> ClientRequest {
+        self.client.request(method, path.as_ref())
+    }
+
+    pub async fn load_body<S>(
+        &mut self,
+        mut response: ClientResponse<S>,
+    ) -> Result<Bytes, PayloadError>
+    where
+        S: Stream<Item = Result<Bytes, PayloadError>> + Unpin + 'static,
+    {
+        response.body().limit(10_485_760).await
+    }
+
+    /// Connect to WebSocket server at a given path.
+    pub async fn ws_at(
+        &mut self,
+        path: &str,
+    ) -> Result<Framed<impl AsyncRead + AsyncWrite, ws::Codec>, awc::error::WsClientError> {
+        let url = self.url(path);
+        let connect = self.client.ws(url).connect();
+        connect.await.map(|(_, framed)| framed)
+    }
+
+    /// Connect to a WebSocket server.
+    pub async fn ws(
+        &mut self,
+    ) -> Result<Framed<impl AsyncRead + AsyncWrite, ws::Codec>, awc::error::WsClientError> {
+        self.ws_at("/").await
+    }
+
+    /// Get default HeaderMap of Client.
+    ///
+    /// Returns Some(&mut HeaderMap) when Client object is unique
+    /// (No other clone of client exists at the same time).
+    pub fn client_headers(&mut self) -> Option<&mut HeaderMap> {
+        self.client.headers()
+    }
+
+    /// Stop HTTP server.
+    ///
+    /// Waits for spawned `Server` and `System` to (force) shutdown.
+    pub async fn stop(&mut self) {
+        // signal server to stop
+        self.server.stop(false).await;
+
+        // also signal system to stop
+        // though this is handled by `ServerBuilder::exit_system` too
+        self.system.stop();
+
+        // wait for thread to be stopped but don't care about result
+        let _ = self.thread_stop_rx.recv().await;
+    }
+}
+
+impl Drop for TestServer {
+    fn drop(&mut self) {
+        // calls in this Drop impl should be enough to shut down the server, system, and thread
+        // without needing to await anything
+
+        // signal server to stop
+        #[allow(clippy::let_underscore_future)]
+        let _ = self.server.stop(true);
+
+        // signal system to stop
+        self.system.stop();
+    }
+}
+
+/// Get a localhost socket address with random, unused port.
+pub fn unused_addr() -> net::SocketAddr {
+    let addr: net::SocketAddr = "127.0.0.1:0".parse().unwrap();
+    let socket = Socket::new(Domain::IPV4, Type::STREAM, Some(Protocol::TCP)).unwrap();
+    socket.bind(&addr.into()).unwrap();
+    socket.set_reuse_address(true).unwrap();
+    let tcp = net::TcpListener::from(socket);
+    tcp.local_addr().unwrap()
+}

actix-http/Cargo.toml

@@ -0,0 +1,188 @@
+[package]
+name = "actix-http"
+version = "3.10.0"
+authors = [
+    "Nikolay Kim <fafhrd91@gmail.com>",
+    "Rob Ede <robjtede@icloud.com>",
+]
+description = "HTTP types and services for the Actix ecosystem"
+keywords = ["actix", "http", "framework", "async", "futures"]
+homepage = "https://actix.rs"
+repository = "https://github.com/actix/actix-web"
+categories = [
+    "network-programming",
+    "asynchronous",
+    "web-programming::http-server",
+    "web-programming::websocket",
+]
+license.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+
+[package.metadata.docs.rs]
+rustdoc-args = ["--cfg", "docsrs"]
+features = [
+    "http2",
+    "ws",
+    "openssl",
+    "rustls-0_20",
+    "rustls-0_21",
+    "rustls-0_22",
+    "rustls-0_23",
+    "compress-brotli",
+    "compress-gzip",
+    "compress-zstd",
+]
+
+[package.metadata.cargo_check_external_types]
+allowed_external_types = [
+    "actix_codec::*",
+    "actix_service::*",
+    "actix_tls::*",
+    "actix_utils::*",
+    "bytes::*",
+    "bytestring::*",
+    "encoding_rs::*",
+    "futures_core::*",
+    "h2::*",
+    "http::*",
+    "httparse::*",
+    "language_tags::*",
+    "mime::*",
+    "openssl::*",
+    "rustls::*",
+    "tokio_util::*",
+    "tokio::*",
+]
+
+[features]
+default = []
+
+# HTTP/2 protocol support
+http2 = ["dep:h2"]
+
+# WebSocket protocol implementation
+ws = [
+    "dep:local-channel",
+    "dep:base64",
+    "dep:rand",
+    "dep:sha1",
+]
+
+# TLS via OpenSSL
+openssl = ["__tls", "actix-tls/accept", "actix-tls/openssl"]
+
+# TLS via Rustls v0.20
+rustls = ["__tls", "rustls-0_20"]
+
+# TLS via Rustls v0.20
+rustls-0_20 = ["__tls", "actix-tls/accept", "actix-tls/rustls-0_20"]
+
+# TLS via Rustls v0.21
+rustls-0_21 = ["__tls", "actix-tls/accept", "actix-tls/rustls-0_21"]
+
+# TLS via Rustls v0.22
+rustls-0_22 = ["__tls", "actix-tls/accept", "actix-tls/rustls-0_22"]
+
+# TLS via Rustls v0.23
+rustls-0_23 = ["__tls", "actix-tls/accept", "actix-tls/rustls-0_23"]
+
+# Compression codecs
+compress-brotli = ["__compress", "dep:brotli"]
+compress-gzip   = ["__compress", "dep:flate2"]
+compress-zstd   = ["__compress", "dep:zstd"]
+
+# Internal (PRIVATE!) features used to aid testing and checking feature status.
+# Don't rely on these whatsoever. They are semver-exempt and may disappear at anytime.
+__compress = []
+
+# Internal (PRIVATE!) features used to aid checking feature status.
+# Don't rely on these whatsoever. They may disappear at anytime.
+__tls = []
+
+[dependencies]
+actix-service = "2"
+actix-codec = "0.5"
+actix-utils = "3"
+actix-rt = { version = "2.2", default-features = false }
+
+bitflags = "2"
+bytes = "1"
+bytestring = "1"
+derive_more = { version = "2", features = ["as_ref", "deref", "deref_mut", "display", "error", "from"] }
+encoding_rs = "0.8"
+foldhash = "0.1"
+futures-core = { version = "0.3.17", default-features = false, features = ["alloc"] }
+http = "0.2.7"
+httparse = "1.5.1"
+httpdate = "1.0.1"
+itoa = "1"
+language-tags = "0.3"
+mime = "0.3.4"
+percent-encoding = "2.1"
+pin-project-lite = "0.2"
+smallvec = "1.6.1"
+tokio = { version = "1.24.2", features = [] }
+tokio-util = { version = "0.7", features = ["io", "codec"] }
+tracing = { version = "0.1.30", default-features = false, features = ["log"] }
+
+# http2
+h2 = { version = "0.3.26", optional = true }
+
+# websockets
+local-channel = { version = "0.1", optional = true }
+base64 = { version = "0.22", optional = true }
+rand = { version = "0.9", optional = true }
+sha1 = { version = "0.10", optional = true }
+
+# openssl/rustls
+actix-tls = { version = "3.4", default-features = false, optional = true }
+
+# compress-*
+brotli = { version = "7", optional = true }
+flate2 = { version = "1.0.13", optional = true }
+zstd = { version = "0.13", optional = true }
+
+[dev-dependencies]
+actix-http-test = { version = "3", features = ["openssl"] }
+actix-server = "2"
+actix-tls = { version = "3.4", features = ["openssl", "rustls-0_23-webpki-roots"] }
+actix-web = "4"
+
+async-stream = "0.3"
+criterion = { version = "0.5", features = ["html_reports"] }
+divan = "0.1.8"
+env_logger = "0.11"
+futures-util = { version = "0.3.17", default-features = false, features = ["alloc"] }
+memchr = "2.4"
+once_cell = "1.9"
+rcgen = "0.13"
+regex = "1.3"
+rustversion = "1"
+rustls-pemfile = "2"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1.0"
+static_assertions = "1"
+tls-openssl = { package = "openssl", version = "0.10.55" }
+tls-rustls_023 = { package = "rustls", version = "0.23" }
+tokio = { version = "1.24.2", features = ["net", "rt", "macros"] }
+
+[lints]
+workspace = true
+
+[[example]]
+name = "ws"
+required-features = ["ws", "rustls-0_23"]
+
+[[example]]
+name = "tls_rustls"
+required-features = ["http2", "rustls-0_23"]
+
+[[bench]]
+name = "response-body-compression"
+harness = false
+required-features = ["compress-brotli", "compress-gzip", "compress-zstd"]
+
+[[bench]]
+name = "date-formatting"
+harness = false

actix-http/LICENSE-APACHE

@@ -0,0 +1 @@
+../LICENSE-APACHE

actix-http/LICENSE-MIT

@@ -0,0 +1 @@
+../LICENSE-MIT

actix-http/README.md

@@ -0,0 +1,50 @@
+# `actix-http`
+
+> HTTP types and services for the Actix ecosystem.
+
+<!-- prettier-ignore-start -->
+
+[![crates.io](https://img.shields.io/crates/v/actix-http?label=latest)](https://crates.io/crates/actix-http)
+[![Documentation](https://docs.rs/actix-http/badge.svg?version=3.10.0)](https://docs.rs/actix-http/3.10.0)
+![Version](https://img.shields.io/badge/rustc-1.72+-ab6000.svg)
+![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-http.svg)
+<br />
+[![dependency status](https://deps.rs/crate/actix-http/3.10.0/status.svg)](https://deps.rs/crate/actix-http/3.10.0)
+[![Download](https://img.shields.io/crates/d/actix-http.svg)](https://crates.io/crates/actix-http)
+[![Chat on Discord](https://img.shields.io/discord/771444961383153695?label=chat&logo=discord)](https://discord.gg/NWpN5mmg3x)
+
+<!-- prettier-ignore-end -->
+
+## Examples
+
+```rust
+use std::{env, io};
+
+use actix_http::{HttpService, Response};
+use actix_server::Server;
+use futures_util::future;
+use http::header::HeaderValue;
+use tracing::info;
+
+#[actix_rt::main]
+async fn main() -> io::Result<()> {
+    env::set_var("RUST_LOG", "hello_world=info");
+    env_logger::init();
+
+    Server::build()
+        .bind("hello-world", "127.0.0.1:8080", || {
+            HttpService::build()
+                .client_timeout(1000)
+                .client_disconnect(1000)
+                .finish(|_req| {
+                    info!("{:?}", _req);
+                    let mut res = Response::Ok();
+                    res.header("x-head", HeaderValue::from_static("dummy value!"));
+                    future::ok::<_, ()>(res.body("Hello world!"))
+                })
+                .tcp()
+        })?
+        .run()
+        .await
+}
+```

actix-http/benches/date-formatting.rs

@@ -0,0 +1,20 @@
+use std::time::SystemTime;
+
+use actix_http::header::HttpDate;
+use divan::{black_box, AllocProfiler, Bencher};
+
+#[global_allocator]
+static ALLOC: AllocProfiler = AllocProfiler::system();
+
+#[divan::bench]
+fn date_formatting(b: Bencher<'_, '_>) {
+    let now = SystemTime::now();
+
+    b.bench(|| {
+        black_box(HttpDate::from(black_box(now)).to_string());
+    })
+}
+
+fn main() {
+    divan::main();
+}

actix-http/benches/response-body-compression.rs

@@ -0,0 +1,88 @@
+use std::convert::Infallible;
+
+use actix_http::{encoding::Encoder, ContentEncoding, Request, Response, StatusCode};
+use actix_service::{fn_service, Service as _};
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+
+static BODY: &[u8] = include_bytes!("../Cargo.toml");
+
+fn compression_responses(c: &mut Criterion) {
+    let mut group = c.benchmark_group("compression responses");
+
+    group.bench_function("identity", |b| {
+        let rt = actix_rt::Runtime::new().unwrap();
+
+        let identity_svc = fn_service(|_: Request| async move {
+            let mut res = Response::with_body(StatusCode::OK, ());
+            let body = black_box(Encoder::response(
+                ContentEncoding::Identity,
+                res.head_mut(),
+                BODY,
+            ));
+            Ok::<_, Infallible>(black_box(res.set_body(black_box(body))))
+        });
+
+        b.iter(|| {
+            rt.block_on(identity_svc.call(Request::new())).unwrap();
+        });
+    });
+
+    group.bench_function("gzip", |b| {
+        let rt = actix_rt::Runtime::new().unwrap();
+
+        let identity_svc = fn_service(|_: Request| async move {
+            let mut res = Response::with_body(StatusCode::OK, ());
+            let body = black_box(Encoder::response(
+                ContentEncoding::Gzip,
+                res.head_mut(),
+                BODY,
+            ));
+            Ok::<_, Infallible>(black_box(res.set_body(black_box(body))))
+        });
+
+        b.iter(|| {
+            rt.block_on(identity_svc.call(Request::new())).unwrap();
+        });
+    });
+
+    group.bench_function("br", |b| {
+        let rt = actix_rt::Runtime::new().unwrap();
+
+        let identity_svc = fn_service(|_: Request| async move {
+            let mut res = Response::with_body(StatusCode::OK, ());
+            let body = black_box(Encoder::response(
+                ContentEncoding::Brotli,
+                res.head_mut(),
+                BODY,
+            ));
+            Ok::<_, Infallible>(black_box(res.set_body(black_box(body))))
+        });
+
+        b.iter(|| {
+            rt.block_on(identity_svc.call(Request::new())).unwrap();
+        });
+    });
+
+    group.bench_function("zstd", |b| {
+        let rt = actix_rt::Runtime::new().unwrap();
+
+        let identity_svc = fn_service(|_: Request| async move {
+            let mut res = Response::with_body(StatusCode::OK, ());
+            let body = black_box(Encoder::response(
+                ContentEncoding::Zstd,
+                res.head_mut(),
+                BODY,
+            ));
+            Ok::<_, Infallible>(black_box(res.set_body(black_box(body))))
+        });
+
+        b.iter(|| {
+            rt.block_on(identity_svc.call(Request::new())).unwrap();
+        });
+    });
+
+    group.finish();
+}
+
+criterion_group!(benches, compression_responses);
+criterion_main!(benches);

actix-http/examples/actix-web.rs

@@ -0,0 +1,27 @@
+use actix_http::HttpService;
+use actix_server::Server;
+use actix_service::map_config;
+use actix_web::{dev::AppConfig, get, App, Responder};
+
+#[get("/")]
+async fn index() -> impl Responder {
+    "Hello, world. From Actix Web!"
+}
+
+#[tokio::main(flavor = "current_thread")]
+async fn main() -> std::io::Result<()> {
+    Server::build()
+        .bind("hello-world", "127.0.0.1:8080", || {
+            // construct actix-web app
+            let app = App::new().service(index);
+
+            HttpService::build()
+                // pass the app to service builder
+                // map_config is used to map App's configuration to ServiceBuilder
+                // h1 will configure server to only use HTTP/1.1
+                .h1(map_config(app, |_| AppConfig::default()))
+                .tcp()
+        })?
+        .run()
+        .await
+}

actix-http/examples/bench.rs

@@ -0,0 +1,27 @@
+use std::{convert::Infallible, io, time::Duration};
+
+use actix_http::{HttpService, Request, Response, StatusCode};
+use actix_server::Server;
+use once_cell::sync::Lazy;
+
+static STR: Lazy<String> = Lazy::new(|| "HELLO WORLD ".repeat(20));
+
+#[actix_rt::main]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    Server::build()
+        .bind("dispatcher-benchmark", ("127.0.0.1", 8080), || {
+            HttpService::build()
+                .client_request_timeout(Duration::from_secs(1))
+                .finish(|_: Request| async move {
+                    let mut res = Response::build(StatusCode::OK);
+                    Ok::<_, Infallible>(res.body(&**STR))
+                })
+                .tcp()
+        })?
+        // limiting number of workers so that bench client is not sharing as many resources
+        .workers(4)
+        .run()
+        .await
+}

actix-http/examples/echo.rs

@@ -0,0 +1,38 @@
+use std::{io, time::Duration};
+
+use actix_http::{Error, HttpService, Request, Response, StatusCode};
+use actix_server::Server;
+use bytes::BytesMut;
+use futures_util::StreamExt as _;
+use http::header::HeaderValue;
+use tracing::info;
+
+#[actix_rt::main]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    Server::build()
+        .bind("echo", ("127.0.0.1", 8080), || {
+            HttpService::build()
+                .client_request_timeout(Duration::from_secs(1))
+                .client_disconnect_timeout(Duration::from_secs(1))
+                // handles HTTP/1.1 and HTTP/2
+                .finish(|mut req: Request| async move {
+                    let mut body = BytesMut::new();
+                    while let Some(item) = req.payload().next().await {
+                        body.extend_from_slice(&item?);
+                    }
+
+                    info!("request body: {body:?}");
+
+                    let res = Response::build(StatusCode::OK)
+                        .insert_header(("x-head", HeaderValue::from_static("dummy value!")))
+                        .body(body);
+
+                    Ok::<_, Error>(res)
+                })
+                .tcp() // No TLS
+        })?
+        .run()
+        .await
+}

actix-http/examples/echo2.rs

@@ -0,0 +1,35 @@
+use std::io;
+
+use actix_http::{
+    body::{BodyStream, MessageBody},
+    header, Error, HttpMessage, HttpService, Request, Response, StatusCode,
+};
+
+async fn handle_request(mut req: Request) -> Result<Response<impl MessageBody>, Error> {
+    let mut res = Response::build(StatusCode::OK);
+
+    if let Some(ct) = req.headers().get(header::CONTENT_TYPE) {
+        res.insert_header((header::CONTENT_TYPE, ct));
+    }
+
+    // echo request payload stream as (chunked) response body
+    let res = res.message_body(BodyStream::new(req.payload().take()))?;
+
+    Ok(res)
+}
+
+#[actix_rt::main]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    actix_server::Server::build()
+        .bind("echo", ("127.0.0.1", 8080), || {
+            HttpService::build()
+                // handles HTTP/1.1 only
+                .h1(handle_request)
+                // No TLS
+                .tcp()
+        })?
+        .run()
+        .await
+}

actix-http/examples/h2c-detect.rs

@@ -0,0 +1,34 @@
+//! An example that supports automatic selection of plaintext h1/h2c connections.
+//!
+//! Notably, both the following commands will work.
+//! ```console
+//! $ curl --http1.1 'http://localhost:8080/'
+//! $ curl --http2-prior-knowledge 'http://localhost:8080/'
+//! ```
+
+use std::{convert::Infallible, io};
+
+use actix_http::{body::BodyStream, HttpService, Request, Response, StatusCode};
+use actix_server::Server;
+
+#[tokio::main(flavor = "current_thread")]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    Server::build()
+        .bind("h2c-detect", ("127.0.0.1", 8080), || {
+            HttpService::build()
+                .finish(|_req: Request| async move {
+                    Ok::<_, Infallible>(Response::build(StatusCode::OK).body(BodyStream::new(
+                        futures_util::stream::iter([
+                            Ok::<_, String>("123".into()),
+                            Err("wertyuikmnbvcxdfty6t".to_owned()),
+                        ]),
+                    )))
+                })
+                .tcp_auto_h2c()
+        })?
+        .workers(2)
+        .run()
+        .await
+}

actix-http/examples/h2spec.rs

@@ -0,0 +1,25 @@
+use std::{convert::Infallible, io};
+
+use actix_http::{HttpService, Request, Response, StatusCode};
+use actix_server::Server;
+use once_cell::sync::Lazy;
+
+static STR: Lazy<String> = Lazy::new(|| "HELLO WORLD ".repeat(100));
+
+#[actix_rt::main]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    Server::build()
+        .bind("h2spec", ("127.0.0.1", 8080), || {
+            HttpService::build()
+                .h2(|_: Request| async move {
+                    let mut res = Response::build(StatusCode::OK);
+                    Ok::<_, Infallible>(res.body(&**STR))
+                })
+                .tcp()
+        })?
+        .workers(4)
+        .run()
+        .await
+}

actix-http/examples/hello-world.rs

@@ -0,0 +1,34 @@
+use std::{convert::Infallible, io, time::Duration};
+
+use actix_http::{header::HeaderValue, HttpService, Request, Response, StatusCode};
+use actix_server::Server;
+use tracing::info;
+
+#[actix_rt::main]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    Server::build()
+        .bind("hello-world", ("127.0.0.1", 8080), || {
+            HttpService::build()
+                .client_request_timeout(Duration::from_secs(1))
+                .client_disconnect_timeout(Duration::from_secs(1))
+                .on_connect_ext(|_, ext| {
+                    ext.insert(42u32);
+                })
+                .finish(|req: Request| async move {
+                    info!("{req:?}");
+
+                    let mut res = Response::build(StatusCode::OK);
+                    res.insert_header(("x-head", HeaderValue::from_static("dummy value!")));
+
+                    let forty_two = req.conn_data::<u32>().unwrap().to_string();
+                    res.insert_header(("x-forty-two", HeaderValue::from_str(&forty_two).unwrap()));
+
+                    Ok::<_, Infallible>(res.body("Hello world!"))
+                })
+                .tcp()
+        })?
+        .run()
+        .await
+}

actix-http/examples/streaming-error.rs

@@ -0,0 +1,41 @@
+//! Example showing response body (chunked) stream erroring.
+//!
+//! Test using `nc` or `curl`.
+//! ```sh
+//! $ curl -vN 127.0.0.1:8080
+//! $ echo 'GET / HTTP/1.1\n\n' | nc 127.0.0.1 8080
+//! ```
+
+use std::{convert::Infallible, io, time::Duration};
+
+use actix_http::{body::BodyStream, HttpService, Response};
+use actix_server::Server;
+use async_stream::stream;
+use bytes::Bytes;
+use tracing::info;
+
+#[actix_rt::main]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    Server::build()
+        .bind("streaming-error", ("127.0.0.1", 8080), || {
+            HttpService::build()
+                .finish(|req| async move {
+                    info!("{req:?}");
+                    let res = Response::ok();
+
+                    Ok::<_, Infallible>(res.set_body(BodyStream::new(stream! {
+                        yield Ok(Bytes::from("123"));
+                        yield Ok(Bytes::from("456"));
+
+                        actix_rt::time::sleep(Duration::from_secs(1)).await;
+
+                        yield Err(io::Error::new(io::ErrorKind::Other, "abc"));
+                    })))
+                })
+                .tcp()
+        })?
+        .run()
+        .await
+}

actix-http/examples/tls_rustls.rs

@@ -0,0 +1,76 @@
+//! Demonstrates TLS configuration (via Rustls) for HTTP/1.1 and HTTP/2 connections.
+//!
+//! Test using cURL:
+//!
+//! ```console
+//! $ curl --insecure https://127.0.0.1:8443
+//! Hello World!
+//! Protocol: HTTP/2.0
+//!
+//! $ curl --insecure --http1.1 https://127.0.0.1:8443
+//! Hello World!
+//! Protocol: HTTP/1.1
+//! ```
+
+extern crate tls_rustls_023 as rustls;
+
+use std::io;
+
+use actix_http::{Error, HttpService, Request, Response};
+use actix_utils::future::ok;
+
+#[actix_rt::main]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    tracing::info!("starting HTTP server at https://127.0.0.1:8443");
+
+    actix_server::Server::build()
+        .bind("echo", ("127.0.0.1", 8443), || {
+            HttpService::build()
+                .finish(|req: Request| {
+                    let body = format!(
+                        "Hello World!\n\
+                        Protocol: {:?}",
+                        req.head().version
+                    );
+                    ok::<_, Error>(Response::ok().set_body(body))
+                })
+                .rustls_0_23(rustls_config())
+        })?
+        .run()
+        .await
+}
+
+fn rustls_config() -> rustls::ServerConfig {
+    let rcgen::CertifiedKey { cert, key_pair } =
+        rcgen::generate_simple_self_signed(["localhost".to_owned()]).unwrap();
+    let cert_file = cert.pem();
+    let key_file = key_pair.serialize_pem();
+
+    let cert_file = &mut io::BufReader::new(cert_file.as_bytes());
+    let key_file = &mut io::BufReader::new(key_file.as_bytes());
+
+    let cert_chain = rustls_pemfile::certs(cert_file)
+        .collect::<Result<Vec<_>, _>>()
+        .unwrap();
+    let mut keys = rustls_pemfile::pkcs8_private_keys(key_file)
+        .collect::<Result<Vec<_>, _>>()
+        .unwrap();
+
+    let mut config = rustls::ServerConfig::builder()
+        .with_no_client_auth()
+        .with_single_cert(
+            cert_chain,
+            rustls::pki_types::PrivateKeyDer::Pkcs8(keys.remove(0)),
+        )
+        .unwrap();
+
+    const H1_ALPN: &[u8] = b"http/1.1";
+    const H2_ALPN: &[u8] = b"h2";
+
+    config.alpn_protocols.push(H2_ALPN.to_vec());
+    config.alpn_protocols.push(H1_ALPN.to_vec());
+
+    config
+}

actix-http/examples/ws.rs

@@ -0,0 +1,114 @@
+//! Sets up a WebSocket server over TCP and TLS.
+//! Sends a heartbeat message every 4 seconds but does not respond to any incoming frames.
+
+extern crate tls_rustls_023 as rustls;
+
+use std::{
+    io,
+    pin::Pin,
+    task::{Context, Poll},
+    time::Duration,
+};
+
+use actix_http::{body::BodyStream, error::Error, ws, HttpService, Request, Response};
+use actix_rt::time::{interval, Interval};
+use actix_server::Server;
+use bytes::{Bytes, BytesMut};
+use bytestring::ByteString;
+use futures_core::{ready, Stream};
+use tokio_util::codec::Encoder;
+
+#[actix_rt::main]
+async fn main() -> io::Result<()> {
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    Server::build()
+        .bind("tcp", ("127.0.0.1", 8080), || {
+            HttpService::build().h1(handler).tcp()
+        })?
+        .bind("tls", ("127.0.0.1", 8443), || {
+            HttpService::build()
+                .finish(handler)
+                .rustls_0_23(tls_config())
+        })?
+        .run()
+        .await
+}
+
+async fn handler(req: Request) -> Result<Response<BodyStream<Heartbeat>>, Error> {
+    tracing::info!("handshaking");
+    let mut res = ws::handshake(req.head())?;
+
+    // handshake will always fail under HTTP/2
+
+    tracing::info!("responding");
+    res.message_body(BodyStream::new(Heartbeat::new(ws::Codec::new())))
+}
+
+struct Heartbeat {
+    codec: ws::Codec,
+    interval: Interval,
+}
+
+impl Heartbeat {
+    fn new(codec: ws::Codec) -> Self {
+        Self {
+            codec,
+            interval: interval(Duration::from_secs(4)),
+        }
+    }
+}
+
+impl Stream for Heartbeat {
+    type Item = Result<Bytes, Error>;
+
+    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+        tracing::trace!("poll");
+
+        ready!(self.as_mut().interval.poll_tick(cx));
+
+        let mut buffer = BytesMut::new();
+
+        self.as_mut()
+            .codec
+            .encode(
+                ws::Message::Text(ByteString::from_static("hello world")),
+                &mut buffer,
+            )
+            .unwrap();
+
+        Poll::Ready(Some(Ok(buffer.freeze())))
+    }
+}
+
+fn tls_config() -> rustls::ServerConfig {
+    use std::io::BufReader;
+
+    use rustls_pemfile::{certs, pkcs8_private_keys};
+
+    let rcgen::CertifiedKey { cert, key_pair } =
+        rcgen::generate_simple_self_signed(["localhost".to_owned()]).unwrap();
+    let cert_file = cert.pem();
+    let key_file = key_pair.serialize_pem();
+
+    let cert_file = &mut BufReader::new(cert_file.as_bytes());
+    let key_file = &mut BufReader::new(key_file.as_bytes());
+
+    let cert_chain = certs(cert_file).collect::<Result<Vec<_>, _>>().unwrap();
+    let mut keys = pkcs8_private_keys(key_file)
+        .collect::<Result<Vec<_>, _>>()
+        .unwrap();
+
+    let mut config = rustls::ServerConfig::builder()
+        .with_no_client_auth()
+        .with_single_cert(
+            cert_chain,
+            rustls::pki_types::PrivateKeyDer::Pkcs8(keys.remove(0)),
+        )
+        .unwrap();
+
+    config.alpn_protocols.push(b"http/1.1".to_vec());
+    config.alpn_protocols.push(b"h2".to_vec());
+
+    config
+}

actix-http/src/body/body_stream.rs

@@ -0,0 +1,214 @@
+use std::{
+    error::Error as StdError,
+    pin::Pin,
+    task::{Context, Poll},
+};
+
+use bytes::Bytes;
+use futures_core::{ready, Stream};
+use pin_project_lite::pin_project;
+
+use super::{BodySize, MessageBody};
+
+pin_project! {
+    /// Streaming response wrapper.
+    ///
+    /// Response does not contain `Content-Length` header and appropriate transfer encoding is used.
+    pub struct BodyStream<S> {
+        #[pin]
+        stream: S,
+    }
+}
+
+// TODO: from_infallible method
+
+impl<S, E> BodyStream<S>
+where
+    S: Stream<Item = Result<Bytes, E>>,
+    E: Into<Box<dyn StdError>> + 'static,
+{
+    #[inline]
+    pub fn new(stream: S) -> Self {
+        BodyStream { stream }
+    }
+}
+
+impl<S, E> MessageBody for BodyStream<S>
+where
+    S: Stream<Item = Result<Bytes, E>>,
+    E: Into<Box<dyn StdError>> + 'static,
+{
+    type Error = E;
+
+    #[inline]
+    fn size(&self) -> BodySize {
+        BodySize::Stream
+    }
+
+    /// Attempts to pull out the next value of the underlying [`Stream`].
+    ///
+    /// Empty values are skipped to prevent [`BodyStream`]'s transmission being ended on a
+    /// zero-length chunk, but rather proceed until the underlying [`Stream`] ends.
+    fn poll_next(
+        mut self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+    ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+        loop {
+            let stream = self.as_mut().project().stream;
+
+            let chunk = match ready!(stream.poll_next(cx)) {
+                Some(Ok(ref bytes)) if bytes.is_empty() => continue,
+                opt => opt,
+            };
+
+            return Poll::Ready(chunk);
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::{convert::Infallible, time::Duration};
+
+    use actix_rt::{
+        pin,
+        time::{sleep, Sleep},
+    };
+    use actix_utils::future::poll_fn;
+    use derive_more::{Display, Error};
+    use futures_core::ready;
+    use futures_util::{stream, FutureExt as _};
+    use pin_project_lite::pin_project;
+    use static_assertions::{assert_impl_all, assert_not_impl_any};
+
+    use super::*;
+    use crate::body::to_bytes;
+
+    assert_impl_all!(BodyStream<stream::Empty<Result<Bytes, crate::Error>>>: MessageBody);
+    assert_impl_all!(BodyStream<stream::Empty<Result<Bytes, &'static str>>>: MessageBody);
+    assert_impl_all!(BodyStream<stream::Repeat<Result<Bytes, &'static str>>>: MessageBody);
+    assert_impl_all!(BodyStream<stream::Empty<Result<Bytes, Infallible>>>: MessageBody);
+    assert_impl_all!(BodyStream<stream::Repeat<Result<Bytes, Infallible>>>: MessageBody);
+
+    assert_not_impl_any!(BodyStream<stream::Empty<Bytes>>: MessageBody);
+    assert_not_impl_any!(BodyStream<stream::Repeat<Bytes>>: MessageBody);
+    // crate::Error is not Clone
+    assert_not_impl_any!(BodyStream<stream::Repeat<Result<Bytes, crate::Error>>>: MessageBody);
+
+    #[actix_rt::test]
+    async fn skips_empty_chunks() {
+        let body = BodyStream::new(stream::iter(
+            ["1", "", "2"]
+                .iter()
+                .map(|&v| Ok::<_, Infallible>(Bytes::from(v))),
+        ));
+        pin!(body);
+
+        assert_eq!(
+            poll_fn(|cx| body.as_mut().poll_next(cx))
+                .await
+                .unwrap()
+                .ok(),
+            Some(Bytes::from("1")),
+        );
+        assert_eq!(
+            poll_fn(|cx| body.as_mut().poll_next(cx))
+                .await
+                .unwrap()
+                .ok(),
+            Some(Bytes::from("2")),
+        );
+    }
+
+    #[actix_rt::test]
+    async fn read_to_bytes() {
+        let body = BodyStream::new(stream::iter(
+            ["1", "", "2"]
+                .iter()
+                .map(|&v| Ok::<_, Infallible>(Bytes::from(v))),
+        ));
+
+        assert_eq!(to_bytes(body).await.ok(), Some(Bytes::from("12")));
+    }
+    #[derive(Debug, Display, Error)]
+    #[display("stream error")]
+    struct StreamErr;
+
+    #[actix_rt::test]
+    async fn stream_immediate_error() {
+        let body = BodyStream::new(stream::once(async { Err(StreamErr) }));
+        assert!(matches!(to_bytes(body).await, Err(StreamErr)));
+    }
+
+    #[actix_rt::test]
+    async fn stream_string_error() {
+        // `&'static str` does not impl `Error`
+        // but it does impl `Into<Box<dyn Error>>`
+
+        let body = BodyStream::new(stream::once(async { Err("stringy error") }));
+        assert!(matches!(to_bytes(body).await, Err("stringy error")));
+    }
+
+    #[actix_rt::test]
+    async fn stream_boxed_error() {
+        // `Box<dyn Error>` does not impl `Error`
+        // but it does impl `Into<Box<dyn Error>>`
+
+        let body = BodyStream::new(stream::once(async {
+            Err(Box::<dyn StdError>::from("stringy error"))
+        }));
+
+        assert_eq!(
+            to_bytes(body).await.unwrap_err().to_string(),
+            "stringy error"
+        );
+    }
+
+    #[actix_rt::test]
+    async fn stream_delayed_error() {
+        let body = BodyStream::new(stream::iter(vec![Ok(Bytes::from("1")), Err(StreamErr)]));
+        assert!(matches!(to_bytes(body).await, Err(StreamErr)));
+
+        pin_project! {
+            #[derive(Debug)]
+            #[project = TimeDelayStreamProj]
+            enum TimeDelayStream {
+                Start,
+                Sleep { delay: Pin<Box<Sleep>> },
+                Done,
+            }
+        }
+
+        impl Stream for TimeDelayStream {
+            type Item = Result<Bytes, StreamErr>;
+
+            fn poll_next(
+                mut self: Pin<&mut Self>,
+                cx: &mut Context<'_>,
+            ) -> Poll<Option<Self::Item>> {
+                match self.as_mut().get_mut() {
+                    TimeDelayStream::Start => {
+                        let sleep = sleep(Duration::from_millis(1));
+                        self.as_mut().set(TimeDelayStream::Sleep {
+                            delay: Box::pin(sleep),
+                        });
+                        cx.waker().wake_by_ref();
+                        Poll::Pending
+                    }
+
+                    TimeDelayStream::Sleep { ref mut delay } => {
+                        ready!(delay.poll_unpin(cx));
+                        self.set(TimeDelayStream::Done);
+                        cx.waker().wake_by_ref();
+                        Poll::Pending
+                    }
+
+                    TimeDelayStream::Done => Poll::Ready(Some(Err(StreamErr))),
+                }
+            }
+        }
+
+        let body = BodyStream::new(TimeDelayStream::Start);
+        assert!(matches!(to_bytes(body).await, Err(StreamErr)));
+    }
+}

actix-http/src/body/boxed.rs

@@ -0,0 +1,121 @@
+use std::{
+    error::Error as StdError,
+    fmt,
+    pin::Pin,
+    task::{Context, Poll},
+};
+
+use bytes::Bytes;
+
+use super::{BodySize, MessageBody, MessageBodyMapErr};
+use crate::body;
+
+/// A boxed message body with boxed errors.
+#[derive(Debug)]
+pub struct BoxBody(BoxBodyInner);
+
+enum BoxBodyInner {
+    None(body::None),
+    Bytes(Bytes),
+    Stream(Pin<Box<dyn MessageBody<Error = Box<dyn StdError>>>>),
+}
+
+impl fmt::Debug for BoxBodyInner {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Self::None(arg0) => f.debug_tuple("None").field(arg0).finish(),
+            Self::Bytes(arg0) => f.debug_tuple("Bytes").field(arg0).finish(),
+            Self::Stream(_) => f.debug_tuple("Stream").field(&"dyn MessageBody").finish(),
+        }
+    }
+}
+
+impl BoxBody {
+    /// Boxes body type, erasing type information.
+    ///
+    /// If the body type to wrap is unknown or generic it is better to use [`MessageBody::boxed`] to
+    /// avoid double boxing.
+    #[inline]
+    pub fn new<B>(body: B) -> Self
+    where
+        B: MessageBody + 'static,
+    {
+        match body.size() {
+            BodySize::None => Self(BoxBodyInner::None(body::None)),
+            _ => match body.try_into_bytes() {
+                Ok(bytes) => Self(BoxBodyInner::Bytes(bytes)),
+                Err(body) => {
+                    let body = MessageBodyMapErr::new(body, Into::into);
+                    Self(BoxBodyInner::Stream(Box::pin(body)))
+                }
+            },
+        }
+    }
+
+    /// Returns a mutable pinned reference to the inner message body type.
+    #[inline]
+    pub fn as_pin_mut(&mut self) -> Pin<&mut Self> {
+        Pin::new(self)
+    }
+}
+
+impl MessageBody for BoxBody {
+    type Error = Box<dyn StdError>;
+
+    #[inline]
+    fn size(&self) -> BodySize {
+        match &self.0 {
+            BoxBodyInner::None(none) => none.size(),
+            BoxBodyInner::Bytes(bytes) => bytes.size(),
+            BoxBodyInner::Stream(stream) => stream.size(),
+        }
+    }
+
+    #[inline]
+    fn poll_next(
+        mut self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+    ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+        match &mut self.0 {
+            BoxBodyInner::None(body) => Pin::new(body).poll_next(cx).map_err(|err| match err {}),
+            BoxBodyInner::Bytes(body) => Pin::new(body).poll_next(cx).map_err(|err| match err {}),
+            BoxBodyInner::Stream(body) => Pin::new(body).poll_next(cx),
+        }
+    }
+
+    #[inline]
+    fn try_into_bytes(self) -> Result<Bytes, Self> {
+        match self.0 {
+            BoxBodyInner::None(body) => Ok(body.try_into_bytes().unwrap()),
+            BoxBodyInner::Bytes(body) => Ok(body.try_into_bytes().unwrap()),
+            _ => Err(self),
+        }
+    }
+
+    #[inline]
+    fn boxed(self) -> BoxBody {
+        self
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use static_assertions::{assert_impl_all, assert_not_impl_any};
+
+    use super::*;
+    use crate::body::to_bytes;
+
+    assert_impl_all!(BoxBody: fmt::Debug, MessageBody, Unpin);
+    assert_not_impl_any!(BoxBody: Send, Sync);
+
+    #[actix_rt::test]
+    async fn nested_boxed_body() {
+        let body = Bytes::from_static(&[1, 2, 3]);
+        let boxed_body = BoxBody::new(BoxBody::new(body));
+
+        assert_eq!(
+            to_bytes(boxed_body).await.unwrap(),
+            Bytes::from(vec![1, 2, 3]),
+        );
+    }
+}

actix-http/src/body/either.rs

@@ -0,0 +1,122 @@
+use std::{
+    pin::Pin,
+    task::{Context, Poll},
+};
+
+use bytes::Bytes;
+use pin_project_lite::pin_project;
+
+use super::{BodySize, BoxBody, MessageBody};
+use crate::Error;
+
+pin_project! {
+    /// An "either" type specialized for body types.
+    ///
+    /// It is common, in middleware especially, to conditionally return an inner service's unknown/
+    /// generic body `B` type or return early with a new response. This type's "right" variant
+    /// defaults to `BoxBody` since error responses are the common case.
+    ///
+    /// For example, middleware will often have `type Response = ServiceResponse<EitherBody<B>>`.
+    /// This means that the inner service's response body type maps to the `Left` variant and the
+    /// middleware's own error responses use the default `Right` variant of `BoxBody`. Of course,
+    /// there's no reason it couldn't use `EitherBody<B, String>` instead if its alternative
+    /// responses have a known type.
+    #[project = EitherBodyProj]
+    #[derive(Debug, Clone)]
+    pub enum EitherBody<L, R = BoxBody> {
+        /// A body of type `L`.
+        Left { #[pin] body: L },
+
+        /// A body of type `R`.
+        Right { #[pin] body: R },
+    }
+}
+
+impl<L> EitherBody<L, BoxBody> {
+    /// Creates new `EitherBody` left variant with a boxed right variant.
+    ///
+    /// If the expected `R` type will be inferred and is not `BoxBody` then use the
+    /// [`left`](Self::left) constructor instead.
+    #[inline]
+    pub fn new(body: L) -> Self {
+        Self::Left { body }
+    }
+}
+
+impl<L, R> EitherBody<L, R> {
+    /// Creates new `EitherBody` using left variant.
+    #[inline]
+    pub fn left(body: L) -> Self {
+        Self::Left { body }
+    }
+
+    /// Creates new `EitherBody` using right variant.
+    #[inline]
+    pub fn right(body: R) -> Self {
+        Self::Right { body }
+    }
+}
+
+impl<L, R> MessageBody for EitherBody<L, R>
+where
+    L: MessageBody + 'static,
+    R: MessageBody + 'static,
+{
+    type Error = Error;
+
+    #[inline]
+    fn size(&self) -> BodySize {
+        match self {
+            EitherBody::Left { body } => body.size(),
+            EitherBody::Right { body } => body.size(),
+        }
+    }
+
+    #[inline]
+    fn poll_next(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+    ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+        match self.project() {
+            EitherBodyProj::Left { body } => body
+                .poll_next(cx)
+                .map_err(|err| Error::new_body().with_cause(err)),
+            EitherBodyProj::Right { body } => body
+                .poll_next(cx)
+                .map_err(|err| Error::new_body().with_cause(err)),
+        }
+    }
+
+    #[inline]
+    fn try_into_bytes(self) -> Result<Bytes, Self> {
+        match self {
+            EitherBody::Left { body } => body
+                .try_into_bytes()
+                .map_err(|body| EitherBody::Left { body }),
+            EitherBody::Right { body } => body
+                .try_into_bytes()
+                .map_err(|body| EitherBody::Right { body }),
+        }
+    }
+
+    #[inline]
+    fn boxed(self) -> BoxBody {
+        match self {
+            EitherBody::Left { body } => body.boxed(),
+            EitherBody::Right { body } => body.boxed(),
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn type_parameter_inference() {
+        let _body: EitherBody<(), _> = EitherBody::new(());
+
+        let _body: EitherBody<_, ()> = EitherBody::left(());
+        let _body: EitherBody<(), _> = EitherBody::right(());
+    }
+}

actix-http/src/body/message_body.rs

@@ -0,0 +1,740 @@
+//! [`MessageBody`] trait and foreign implementations.
+
+use std::{
+    convert::Infallible,
+    error::Error as StdError,
+    mem,
+    pin::Pin,
+    task::{Context, Poll},
+};
+
+use bytes::{Bytes, BytesMut};
+use futures_core::ready;
+use pin_project_lite::pin_project;
+
+use super::{BodySize, BoxBody};
+
+/// An interface for types that can be used as a response body.
+///
+/// It is not usually necessary to create custom body types, this trait is already [implemented for
+/// a large number of sensible body types](#foreign-impls) including:
+/// - Empty body: `()`
+/// - Text-based: `String`, `&'static str`, [`ByteString`](https://docs.rs/bytestring/1).
+/// - Byte-based: `Bytes`, `BytesMut`, `Vec<u8>`, `&'static [u8]`;
+/// - Streams: [`BodyStream`](super::BodyStream), [`SizedStream`](super::SizedStream)
+///
+/// # Examples
+/// ```
+/// # use std::convert::Infallible;
+/// # use std::task::{Poll, Context};
+/// # use std::pin::Pin;
+/// # use bytes::Bytes;
+/// # use actix_http::body::{BodySize, MessageBody};
+/// struct Repeat {
+///     chunk: String,
+///     n_times: usize,
+/// }
+///
+/// impl MessageBody for Repeat {
+///     type Error = Infallible;
+///
+///     fn size(&self) -> BodySize {
+///         BodySize::Sized((self.chunk.len() * self.n_times) as u64)
+///     }
+///
+///     fn poll_next(
+///         self: Pin<&mut Self>,
+///         _cx: &mut Context<'_>,
+///     ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+///         let payload_string = self.chunk.repeat(self.n_times);
+///         let payload_bytes = Bytes::from(payload_string);
+///         Poll::Ready(Some(Ok(payload_bytes)))
+///     }
+/// }
+/// ```
+pub trait MessageBody {
+    /// The type of error that will be returned if streaming body fails.
+    ///
+    /// Since it is not appropriate to generate a response mid-stream, it only requires `Error` for
+    /// internal use and logging.
+    type Error: Into<Box<dyn StdError>>;
+
+    /// Body size hint.
+    ///
+    /// If [`BodySize::None`] is returned, optimizations that skip reading the body are allowed.
+    fn size(&self) -> BodySize;
+
+    /// Attempt to pull out the next chunk of body bytes.
+    ///
+    /// # Return Value
+    /// Similar to the `Stream` interface, there are several possible return values, each indicating
+    /// a distinct state:
+    /// - `Poll::Pending` means that this body's next chunk is not ready yet. Implementations must
+    ///   ensure that the current task will be notified when the next chunk may be ready.
+    /// - `Poll::Ready(Some(val))` means that the body has successfully produced a chunk, `val`,
+    ///   and may produce further values on subsequent `poll_next` calls.
+    /// - `Poll::Ready(None)` means that the body is complete, and `poll_next` should not be
+    ///   invoked again.
+    ///
+    /// # Panics
+    /// Once a body is complete (i.e., `poll_next` returned `Ready(None)`), calling its `poll_next`
+    /// method again may panic, block forever, or cause other kinds of problems; this trait places
+    /// no requirements on the effects of such a call. However, as the `poll_next` method is not
+    /// marked unsafe, Rust’s usual rules apply: calls must never cause UB, regardless of its state.
+    fn poll_next(
+        self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+    ) -> Poll<Option<Result<Bytes, Self::Error>>>;
+
+    /// Try to convert into the complete chunk of body bytes.
+    ///
+    /// Override this method if the complete body can be trivially extracted. This is useful for
+    /// optimizations where `poll_next` calls can be avoided.
+    ///
+    /// Body types with [`BodySize::None`] are allowed to return empty `Bytes`. Although, if calling
+    /// this method, it is recommended to check `size` first and return early.
+    ///
+    /// # Errors
+    /// The default implementation will error and return the original type back to the caller for
+    /// further use.
+    #[inline]
+    fn try_into_bytes(self) -> Result<Bytes, Self>
+    where
+        Self: Sized,
+    {
+        Err(self)
+    }
+
+    /// Wraps this body into a `BoxBody`.
+    ///
+    /// No-op when called on a `BoxBody`, meaning there is no risk of double boxing when calling
+    /// this on a generic `MessageBody`. Prefer this over [`BoxBody::new`] when a boxed body
+    /// is required.
+    #[inline]
+    fn boxed(self) -> BoxBody
+    where
+        Self: Sized + 'static,
+    {
+        BoxBody::new(self)
+    }
+}
+
+mod foreign_impls {
+    use std::{borrow::Cow, ops::DerefMut};
+
+    use super::*;
+
+    impl<B> MessageBody for &mut B
+    where
+        B: MessageBody + Unpin + ?Sized,
+    {
+        type Error = B::Error;
+
+        fn size(&self) -> BodySize {
+            (**self).size()
+        }
+
+        fn poll_next(
+            mut self: Pin<&mut Self>,
+            cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            Pin::new(&mut **self).poll_next(cx)
+        }
+    }
+
+    impl MessageBody for Infallible {
+        type Error = Infallible;
+
+        fn size(&self) -> BodySize {
+            match *self {}
+        }
+
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            match *self {}
+        }
+    }
+
+    impl MessageBody for () {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(0)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            Poll::Ready(None)
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            Ok(Bytes::new())
+        }
+    }
+
+    impl<B> MessageBody for Box<B>
+    where
+        B: MessageBody + Unpin + ?Sized,
+    {
+        type Error = B::Error;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            self.as_ref().size()
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            Pin::new(self.get_mut().as_mut()).poll_next(cx)
+        }
+    }
+
+    impl<T, B> MessageBody for Pin<T>
+    where
+        T: DerefMut<Target = B> + Unpin,
+        B: MessageBody + ?Sized,
+    {
+        type Error = B::Error;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            self.as_ref().size()
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            self.get_mut().as_mut().poll_next(cx)
+        }
+    }
+
+    impl MessageBody for &'static [u8] {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            if self.is_empty() {
+                Poll::Ready(None)
+            } else {
+                Poll::Ready(Some(Ok(Bytes::from_static(mem::take(self.get_mut())))))
+            }
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            Ok(Bytes::from_static(self))
+        }
+    }
+
+    impl MessageBody for Bytes {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            if self.is_empty() {
+                Poll::Ready(None)
+            } else {
+                Poll::Ready(Some(Ok(mem::take(self.get_mut()))))
+            }
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            Ok(self)
+        }
+    }
+
+    impl MessageBody for BytesMut {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            if self.is_empty() {
+                Poll::Ready(None)
+            } else {
+                Poll::Ready(Some(Ok(mem::take(self.get_mut()).freeze())))
+            }
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            Ok(self.freeze())
+        }
+    }
+
+    impl MessageBody for Vec<u8> {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            if self.is_empty() {
+                Poll::Ready(None)
+            } else {
+                Poll::Ready(Some(Ok(mem::take(self.get_mut()).into())))
+            }
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            Ok(Bytes::from(self))
+        }
+    }
+
+    impl MessageBody for Cow<'static, [u8]> {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            if self.is_empty() {
+                Poll::Ready(None)
+            } else {
+                let bytes = match mem::take(self.get_mut()) {
+                    Cow::Borrowed(b) => Bytes::from_static(b),
+                    Cow::Owned(b) => Bytes::from(b),
+                };
+                Poll::Ready(Some(Ok(bytes)))
+            }
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            match self {
+                Cow::Borrowed(b) => Ok(Bytes::from_static(b)),
+                Cow::Owned(b) => Ok(Bytes::from(b)),
+            }
+        }
+    }
+
+    impl MessageBody for &'static str {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            if self.is_empty() {
+                Poll::Ready(None)
+            } else {
+                let string = mem::take(self.get_mut());
+                let bytes = Bytes::from_static(string.as_bytes());
+                Poll::Ready(Some(Ok(bytes)))
+            }
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            Ok(Bytes::from_static(self.as_bytes()))
+        }
+    }
+
+    impl MessageBody for String {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            if self.is_empty() {
+                Poll::Ready(None)
+            } else {
+                let string = mem::take(self.get_mut());
+                Poll::Ready(Some(Ok(Bytes::from(string))))
+            }
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            Ok(Bytes::from(self))
+        }
+    }
+
+    impl MessageBody for Cow<'static, str> {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            if self.is_empty() {
+                Poll::Ready(None)
+            } else {
+                let bytes = match mem::take(self.get_mut()) {
+                    Cow::Borrowed(s) => Bytes::from_static(s.as_bytes()),
+                    Cow::Owned(s) => Bytes::from(s.into_bytes()),
+                };
+                Poll::Ready(Some(Ok(bytes)))
+            }
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            match self {
+                Cow::Borrowed(s) => Ok(Bytes::from_static(s.as_bytes())),
+                Cow::Owned(s) => Ok(Bytes::from(s.into_bytes())),
+            }
+        }
+    }
+
+    impl MessageBody for bytestring::ByteString {
+        type Error = Infallible;
+
+        #[inline]
+        fn size(&self) -> BodySize {
+            BodySize::Sized(self.len() as u64)
+        }
+
+        #[inline]
+        fn poll_next(
+            self: Pin<&mut Self>,
+            _cx: &mut Context<'_>,
+        ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+            let string = mem::take(self.get_mut());
+            Poll::Ready(Some(Ok(string.into_bytes())))
+        }
+
+        #[inline]
+        fn try_into_bytes(self) -> Result<Bytes, Self> {
+            Ok(self.into_bytes())
+        }
+    }
+}
+
+pin_project! {
+    pub(crate) struct MessageBodyMapErr<B, F> {
+        #[pin]
+        body: B,
+        mapper: Option<F>,
+    }
+}
+
+impl<B, F, E> MessageBodyMapErr<B, F>
+where
+    B: MessageBody,
+    F: FnOnce(B::Error) -> E,
+{
+    pub(crate) fn new(body: B, mapper: F) -> Self {
+        Self {
+            body,
+            mapper: Some(mapper),
+        }
+    }
+}
+
+impl<B, F, E> MessageBody for MessageBodyMapErr<B, F>
+where
+    B: MessageBody,
+    F: FnOnce(B::Error) -> E,
+    E: Into<Box<dyn StdError>>,
+{
+    type Error = E;
+
+    #[inline]
+    fn size(&self) -> BodySize {
+        self.body.size()
+    }
+
+    fn poll_next(
+        mut self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+    ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+        let this = self.as_mut().project();
+
+        match ready!(this.body.poll_next(cx)) {
+            Some(Err(err)) => {
+                let f = self.as_mut().project().mapper.take().unwrap();
+                let mapped_err = (f)(err);
+                Poll::Ready(Some(Err(mapped_err)))
+            }
+            Some(Ok(val)) => Poll::Ready(Some(Ok(val))),
+            None => Poll::Ready(None),
+        }
+    }
+
+    #[inline]
+    fn try_into_bytes(self) -> Result<Bytes, Self> {
+        let Self { body, mapper } = self;
+        body.try_into_bytes().map_err(|body| Self { body, mapper })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use actix_rt::pin;
+    use actix_utils::future::poll_fn;
+    use futures_util::stream;
+
+    use super::*;
+    use crate::body::{self, EitherBody};
+
+    macro_rules! assert_poll_next {
+        ($pin:expr, $exp:expr) => {
+            assert_eq!(
+                poll_fn(|cx| $pin.as_mut().poll_next(cx))
+                    .await
+                    .unwrap() // unwrap option
+                    .unwrap(), // unwrap result
+                $exp
+            );
+        };
+    }
+
+    macro_rules! assert_poll_next_none {
+        ($pin:expr) => {
+            assert!(poll_fn(|cx| $pin.as_mut().poll_next(cx)).await.is_none());
+        };
+    }
+
+    #[allow(unused_allocation)] // triggered by `Box::new(()).size()`
+    #[actix_rt::test]
+    async fn boxing_equivalence() {
+        assert_eq!(().size(), BodySize::Sized(0));
+        assert_eq!(().size(), Box::new(()).size());
+        assert_eq!(().size(), Box::pin(()).size());
+
+        let pl = Box::new(());
+        pin!(pl);
+        assert_poll_next_none!(pl);
+
+        let mut pl = Box::pin(());
+        assert_poll_next_none!(pl);
+    }
+
+    #[actix_rt::test]
+    async fn mut_equivalence() {
+        assert_eq!(().size(), BodySize::Sized(0));
+        assert_eq!(().size(), (&(&mut ())).size());
+
+        let pl = &mut ();
+        pin!(pl);
+        assert_poll_next_none!(pl);
+
+        let pl = &mut Box::new(());
+        pin!(pl);
+        assert_poll_next_none!(pl);
+
+        let mut body = body::SizedStream::new(
+            8,
+            stream::iter([
+                Ok::<_, std::io::Error>(Bytes::from("1234")),
+                Ok(Bytes::from("5678")),
+            ]),
+        );
+        let body = &mut body;
+        assert_eq!(body.size(), BodySize::Sized(8));
+        pin!(body);
+        assert_poll_next!(body, Bytes::from_static(b"1234"));
+        assert_poll_next!(body, Bytes::from_static(b"5678"));
+        assert_poll_next_none!(body);
+    }
+
+    #[allow(clippy::let_unit_value)]
+    #[actix_rt::test]
+    async fn test_unit() {
+        let pl = ();
+        assert_eq!(pl.size(), BodySize::Sized(0));
+        pin!(pl);
+        assert_poll_next_none!(pl);
+    }
+
+    #[actix_rt::test]
+    async fn test_static_str() {
+        assert_eq!("".size(), BodySize::Sized(0));
+        assert_eq!("test".size(), BodySize::Sized(4));
+
+        let pl = "test";
+        pin!(pl);
+        assert_poll_next!(pl, Bytes::from("test"));
+    }
+
+    #[actix_rt::test]
+    async fn test_static_bytes() {
+        assert_eq!(b"".as_ref().size(), BodySize::Sized(0));
+        assert_eq!(b"test".as_ref().size(), BodySize::Sized(4));
+
+        let pl = b"test".as_ref();
+        pin!(pl);
+        assert_poll_next!(pl, Bytes::from("test"));
+    }
+
+    #[actix_rt::test]
+    async fn test_vec() {
+        assert_eq!(vec![0; 0].size(), BodySize::Sized(0));
+        assert_eq!(Vec::from("test").size(), BodySize::Sized(4));
+
+        let pl = Vec::from("test");
+        pin!(pl);
+        assert_poll_next!(pl, Bytes::from("test"));
+    }
+
+    #[actix_rt::test]
+    async fn test_bytes() {
+        assert_eq!(Bytes::new().size(), BodySize::Sized(0));
+        assert_eq!(Bytes::from_static(b"test").size(), BodySize::Sized(4));
+
+        let pl = Bytes::from_static(b"test");
+        pin!(pl);
+        assert_poll_next!(pl, Bytes::from("test"));
+    }
+
+    #[actix_rt::test]
+    async fn test_bytes_mut() {
+        assert_eq!(BytesMut::new().size(), BodySize::Sized(0));
+        assert_eq!(BytesMut::from(b"test".as_ref()).size(), BodySize::Sized(4));
+
+        let pl = BytesMut::from("test");
+        pin!(pl);
+        assert_poll_next!(pl, Bytes::from("test"));
+    }
+
+    #[actix_rt::test]
+    async fn test_string() {
+        assert_eq!(String::new().size(), BodySize::Sized(0));
+        assert_eq!("test".to_owned().size(), BodySize::Sized(4));
+
+        let pl = "test".to_owned();
+        pin!(pl);
+        assert_poll_next!(pl, Bytes::from("test"));
+    }
+
+    #[actix_rt::test]
+    async fn complete_body_combinators() {
+        let body = Bytes::from_static(b"test");
+        let body = BoxBody::new(body);
+        let body = EitherBody::<_, ()>::left(body);
+        let body = EitherBody::<(), _>::right(body);
+        // Do not support try_into_bytes:
+        // let body = Box::new(body);
+        // let body = Box::pin(body);
+
+        assert_eq!(body.try_into_bytes().unwrap(), Bytes::from("test"));
+    }
+
+    #[actix_rt::test]
+    async fn complete_body_combinators_poll() {
+        let body = Bytes::from_static(b"test");
+        let body = BoxBody::new(body);
+        let body = EitherBody::<_, ()>::left(body);
+        let body = EitherBody::<(), _>::right(body);
+        let mut body = body;
+
+        assert_eq!(body.size(), BodySize::Sized(4));
+        assert_poll_next!(Pin::new(&mut body), Bytes::from("test"));
+        assert_poll_next_none!(Pin::new(&mut body));
+    }
+
+    #[actix_rt::test]
+    async fn none_body_combinators() {
+        fn none_body() -> BoxBody {
+            let body = body::None;
+            let body = BoxBody::new(body);
+            let body = EitherBody::<_, ()>::left(body);
+            let body = EitherBody::<(), _>::right(body);
+            body.boxed()
+        }
+
+        assert_eq!(none_body().size(), BodySize::None);
+        assert_eq!(none_body().try_into_bytes().unwrap(), Bytes::new());
+        assert_poll_next_none!(Pin::new(&mut none_body()));
+    }
+
+    // down-casting used to be done with a method on MessageBody trait
+    // test is kept to demonstrate equivalence of Any trait
+    #[actix_rt::test]
+    async fn test_body_casting() {
+        let mut body = String::from("hello cast");
+        // let mut resp_body: &mut dyn MessageBody<Error = Error> = &mut body;
+        let resp_body: &mut dyn std::any::Any = &mut body;
+        let body = resp_body.downcast_ref::<String>().unwrap();
+        assert_eq!(body, "hello cast");
+        let body = &mut resp_body.downcast_mut::<String>().unwrap();
+        body.push('!');
+        let body = resp_body.downcast_ref::<String>().unwrap();
+        assert_eq!(body, "hello cast!");
+        let not_body = resp_body.downcast_ref::<()>();
+        assert!(not_body.is_none());
+    }
+
+    #[actix_rt::test]
+    async fn non_owning_to_bytes() {
+        let mut body = BoxBody::new(());
+        let bytes = body::to_bytes(&mut body).await.unwrap();
+        assert_eq!(bytes, Bytes::new());
+
+        let mut body = body::BodyStream::new(stream::iter([
+            Ok::<_, std::io::Error>(Bytes::from("1234")),
+            Ok(Bytes::from("5678")),
+        ]));
+        let bytes = body::to_bytes(&mut body).await.unwrap();
+        assert_eq!(bytes, Bytes::from_static(b"12345678"));
+    }
+}

actix-http/src/body/mod.rs

@@ -0,0 +1,27 @@
+//! Traits and structures to aid consuming and writing HTTP payloads.
+//!
+//! "Body" and "payload" are used somewhat interchangeably in this documentation.
+
+// Though the spec kinda reads like "payload" is the possibly-transfer-encoded part of the message
+// and the "body" is the intended possibly-decoded version of that.
+
+mod body_stream;
+mod boxed;
+mod either;
+mod message_body;
+mod none;
+mod size;
+mod sized_stream;
+mod utils;
+
+pub(crate) use self::message_body::MessageBodyMapErr;
+pub use self::{
+    body_stream::BodyStream,
+    boxed::BoxBody,
+    either::EitherBody,
+    message_body::MessageBody,
+    none::None,
+    size::BodySize,
+    sized_stream::SizedStream,
+    utils::{to_bytes, to_bytes_limited, BodyLimitExceeded},
+};

actix-http/src/body/none.rs

@@ -0,0 +1,51 @@
+use std::{
+    convert::Infallible,
+    pin::Pin,
+    task::{Context, Poll},
+};
+
+use bytes::Bytes;
+
+use super::{BodySize, MessageBody};
+
+/// Body type for responses that forbid payloads.
+///
+/// This is distinct from an "empty" response which _would_ contain a `Content-Length` header.
+/// For an "empty" body, use `()` or `Bytes::new()`.
+///
+/// For example, the HTTP spec forbids a payload to be sent with a `204 No Content` response.
+/// In this case, the payload (or lack thereof) is implicit from the status code, so a
+/// `Content-Length` header is not required.
+#[derive(Debug, Clone, Copy, Default)]
+#[non_exhaustive]
+pub struct None;
+
+impl None {
+    /// Constructs new "none" body.
+    #[inline]
+    pub fn new() -> Self {
+        None
+    }
+}
+
+impl MessageBody for None {
+    type Error = Infallible;
+
+    #[inline]
+    fn size(&self) -> BodySize {
+        BodySize::None
+    }
+
+    #[inline]
+    fn poll_next(
+        self: Pin<&mut Self>,
+        _cx: &mut Context<'_>,
+    ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+        Poll::Ready(Option::None)
+    }
+
+    #[inline]
+    fn try_into_bytes(self) -> Result<Bytes, Self> {
+        Ok(Bytes::new())
+    }
+}

actix-http/src/body/size.rs

@@ -0,0 +1,41 @@
+/// Body size hint.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum BodySize {
+    /// Implicitly empty body.
+    ///
+    /// Will omit the Content-Length header. Used for responses to certain methods (e.g., `HEAD`) or
+    /// with particular status codes (e.g., 204 No Content). Consumers that read this as a body size
+    /// hint are allowed to make optimizations that skip reading or writing the payload.
+    None,
+
+    /// Known size body.
+    ///
+    /// Will write `Content-Length: N` header.
+    Sized(u64),
+
+    /// Unknown size body.
+    ///
+    /// Will not write Content-Length header. Can be used with chunked Transfer-Encoding.
+    Stream,
+}
+
+impl BodySize {
+    /// Equivalent to `BodySize::Sized(0)`;
+    pub const ZERO: Self = Self::Sized(0);
+
+    /// Returns true if size hint indicates omitted or empty body.
+    ///
+    /// Streams will return false because it cannot be known without reading the stream.
+    ///
+    /// ```
+    /// # use actix_http::body::BodySize;
+    /// assert!(BodySize::None.is_eof());
+    /// assert!(BodySize::Sized(0).is_eof());
+    ///
+    /// assert!(!BodySize::Sized(64).is_eof());
+    /// assert!(!BodySize::Stream.is_eof());
+    /// ```
+    pub fn is_eof(&self) -> bool {
+        matches!(self, BodySize::None | BodySize::Sized(0))
+    }
+}

actix-http/src/body/sized_stream.rs

@@ -0,0 +1,171 @@
+use std::{
+    error::Error as StdError,
+    pin::Pin,
+    task::{Context, Poll},
+};
+
+use bytes::Bytes;
+use futures_core::{ready, Stream};
+use pin_project_lite::pin_project;
+
+use super::{BodySize, MessageBody};
+
+pin_project! {
+    /// Known sized streaming response wrapper.
+    ///
+    /// This body implementation should be used if total size of stream is known. Data is sent as-is
+    /// without using chunked transfer encoding.
+    pub struct SizedStream<S> {
+        size: u64,
+        #[pin]
+        stream: S,
+    }
+}
+
+impl<S, E> SizedStream<S>
+where
+    S: Stream<Item = Result<Bytes, E>>,
+    E: Into<Box<dyn StdError>> + 'static,
+{
+    #[inline]
+    pub fn new(size: u64, stream: S) -> Self {
+        SizedStream { size, stream }
+    }
+}
+
+// TODO: from_infallible method
+
+impl<S, E> MessageBody for SizedStream<S>
+where
+    S: Stream<Item = Result<Bytes, E>>,
+    E: Into<Box<dyn StdError>> + 'static,
+{
+    type Error = E;
+
+    #[inline]
+    fn size(&self) -> BodySize {
+        BodySize::Sized(self.size)
+    }
+
+    /// Attempts to pull out the next value of the underlying [`Stream`].
+    ///
+    /// Empty values are skipped to prevent [`SizedStream`]'s transmission being
+    /// ended on a zero-length chunk, but rather proceed until the underlying
+    /// [`Stream`] ends.
+    fn poll_next(
+        mut self: Pin<&mut Self>,
+        cx: &mut Context<'_>,
+    ) -> Poll<Option<Result<Bytes, Self::Error>>> {
+        loop {
+            let stream = self.as_mut().project().stream;
+
+            let chunk = match ready!(stream.poll_next(cx)) {
+                Some(Ok(ref bytes)) if bytes.is_empty() => continue,
+                val => val,
+            };
+
+            return Poll::Ready(chunk);
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::convert::Infallible;
+
+    use actix_rt::pin;
+    use actix_utils::future::poll_fn;
+    use futures_util::stream;
+    use static_assertions::{assert_impl_all, assert_not_impl_any};
+
+    use super::*;
+    use crate::body::to_bytes;
+
+    assert_impl_all!(SizedStream<stream::Empty<Result<Bytes, crate::Error>>>: MessageBody);
+    assert_impl_all!(SizedStream<stream::Empty<Result<Bytes, &'static str>>>: MessageBody);
+    assert_impl_all!(SizedStream<stream::Repeat<Result<Bytes, &'static str>>>: MessageBody);
+    assert_impl_all!(SizedStream<stream::Empty<Result<Bytes, Infallible>>>: MessageBody);
+    assert_impl_all!(SizedStream<stream::Repeat<Result<Bytes, Infallible>>>: MessageBody);
+
+    assert_not_impl_any!(SizedStream<stream::Empty<Bytes>>: MessageBody);
+    assert_not_impl_any!(SizedStream<stream::Repeat<Bytes>>: MessageBody);
+    // crate::Error is not Clone
+    assert_not_impl_any!(SizedStream<stream::Repeat<Result<Bytes, crate::Error>>>: MessageBody);
+
+    #[actix_rt::test]
+    async fn skips_empty_chunks() {
+        let body = SizedStream::new(
+            2,
+            stream::iter(
+                ["1", "", "2"]
+                    .iter()
+                    .map(|&v| Ok::<_, Infallible>(Bytes::from(v))),
+            ),
+        );
+
+        pin!(body);
+
+        assert_eq!(
+            poll_fn(|cx| body.as_mut().poll_next(cx))
+                .await
+                .unwrap()
+                .ok(),
+            Some(Bytes::from("1")),
+        );
+
+        assert_eq!(
+            poll_fn(|cx| body.as_mut().poll_next(cx))
+                .await
+                .unwrap()
+                .ok(),
+            Some(Bytes::from("2")),
+        );
+    }
+
+    #[actix_rt::test]
+    async fn read_to_bytes() {
+        let body = SizedStream::new(
+            2,
+            stream::iter(
+                ["1", "", "2"]
+                    .iter()
+                    .map(|&v| Ok::<_, Infallible>(Bytes::from(v))),
+            ),
+        );
+
+        assert_eq!(to_bytes(body).await.ok(), Some(Bytes::from("12")));
+    }
+
+    #[actix_rt::test]
+    async fn stream_string_error() {
+        // `&'static str` does not impl `Error`
+        // but it does impl `Into<Box<dyn Error>>`
+
+        let body = SizedStream::new(0, stream::once(async { Err("stringy error") }));
+        assert_eq!(to_bytes(body).await, Ok(Bytes::new()));
+
+        let body = SizedStream::new(1, stream::once(async { Err("stringy error") }));
+        assert!(matches!(to_bytes(body).await, Err("stringy error")));
+    }
+
+    #[actix_rt::test]
+    async fn stream_boxed_error() {
+        // `Box<dyn Error>` does not impl `Error`
+        // but it does impl `Into<Box<dyn Error>>`
+
+        let body = SizedStream::new(
+            0,
+            stream::once(async { Err(Box::<dyn StdError>::from("stringy error")) }),
+        );
+        assert_eq!(to_bytes(body).await.unwrap(), Bytes::new());
+
+        let body = SizedStream::new(
+            1,
+            stream::once(async { Err(Box::<dyn StdError>::from("stringy error")) }),
+        );
+        assert_eq!(
+            to_bytes(body).await.unwrap_err().to_string(),
+            "stringy error"
+        );
+    }
+}

actix-http/src/body/utils.rs

@@ -0,0 +1,198 @@
+use std::task::Poll;
+
+use actix_rt::pin;
+use actix_utils::future::poll_fn;
+use bytes::{Bytes, BytesMut};
+use derive_more::{Display, Error};
+use futures_core::ready;
+
+use super::{BodySize, MessageBody};
+
+/// Collects all the bytes produced by `body`.
+///
+/// Any errors produced by the body stream are returned immediately.
+///
+/// Consider using [`to_bytes_limited`] instead to protect against memory exhaustion.
+///
+/// # Examples
+///
+/// ```
+/// use actix_http::body::{self, to_bytes};
+/// use bytes::Bytes;
+///
+/// # actix_rt::System::new().block_on(async {
+/// let body = body::None::new();
+/// let bytes = to_bytes(body).await.unwrap();
+/// assert!(bytes.is_empty());
+///
+/// let body = Bytes::from_static(b"123");
+/// let bytes = to_bytes(body).await.unwrap();
+/// assert_eq!(bytes, "123");
+/// # });
+/// ```
+pub async fn to_bytes<B: MessageBody>(body: B) -> Result<Bytes, B::Error> {
+    to_bytes_limited(body, usize::MAX)
+        .await
+        .expect("body should never yield more than usize::MAX bytes")
+}
+
+/// Error type returned from [`to_bytes_limited`] when body produced exceeds limit.
+#[derive(Debug, Display, Error)]
+#[display("limit exceeded while collecting body bytes")]
+#[non_exhaustive]
+pub struct BodyLimitExceeded;
+
+/// Collects the bytes produced by `body`, up to `limit` bytes.
+///
+/// If a chunk read from `poll_next` causes the total number of bytes read to exceed `limit`, an
+/// `Err(BodyLimitExceeded)` is returned.
+///
+/// Any errors produced by the body stream are returned immediately as `Ok(Err(B::Error))`.
+///
+/// # Examples
+///
+/// ```
+/// use actix_http::body::{self, to_bytes_limited};
+/// use bytes::Bytes;
+///
+/// # actix_rt::System::new().block_on(async {
+/// let body = body::None::new();
+/// let bytes = to_bytes_limited(body, 10).await.unwrap().unwrap();
+/// assert!(bytes.is_empty());
+///
+/// let body = Bytes::from_static(b"123");
+/// let bytes = to_bytes_limited(body, 10).await.unwrap().unwrap();
+/// assert_eq!(bytes, "123");
+///
+/// let body = Bytes::from_static(b"123");
+/// assert!(to_bytes_limited(body, 2).await.is_err());
+/// # });
+/// ```
+pub async fn to_bytes_limited<B: MessageBody>(
+    body: B,
+    limit: usize,
+) -> Result<Result<Bytes, B::Error>, BodyLimitExceeded> {
+    /// Sensible default (32kB) for initial, bounded allocation when collecting body bytes.
+    const INITIAL_ALLOC_BYTES: usize = 32 * 1024;
+
+    let cap = match body.size() {
+        BodySize::None | BodySize::Sized(0) => return Ok(Ok(Bytes::new())),
+        BodySize::Sized(size) if size as usize > limit => return Err(BodyLimitExceeded),
+        BodySize::Sized(size) => (size as usize).min(INITIAL_ALLOC_BYTES),
+        BodySize::Stream => INITIAL_ALLOC_BYTES,
+    };
+
+    let mut exceeded_limit = false;
+    let mut buf = BytesMut::with_capacity(cap);
+
+    pin!(body);
+
+    match poll_fn(|cx| loop {
+        let body = body.as_mut();
+
+        match ready!(body.poll_next(cx)) {
+            Some(Ok(bytes)) => {
+                // if limit is exceeded...
+                if buf.len() + bytes.len() > limit {
+                    // ...set flag to true and break out of poll_fn
+                    exceeded_limit = true;
+                    return Poll::Ready(Ok(()));
+                }
+
+                buf.extend_from_slice(&bytes)
+            }
+            None => return Poll::Ready(Ok(())),
+            Some(Err(err)) => return Poll::Ready(Err(err)),
+        }
+    })
+    .await
+    {
+        // propagate error returned from body poll
+        Err(err) => Ok(Err(err)),
+
+        // limit was exceeded while reading body
+        Ok(()) if exceeded_limit => Err(BodyLimitExceeded),
+
+        // otherwise return body buffer
+        Ok(()) => Ok(Ok(buf.freeze())),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::io;
+
+    use futures_util::{stream, StreamExt as _};
+
+    use super::*;
+    use crate::{
+        body::{BodyStream, SizedStream},
+        Error,
+    };
+
+    #[actix_rt::test]
+    async fn to_bytes_complete() {
+        let bytes = to_bytes(()).await.unwrap();
+        assert!(bytes.is_empty());
+
+        let body = Bytes::from_static(b"123");
+        let bytes = to_bytes(body).await.unwrap();
+        assert_eq!(bytes, b"123"[..]);
+    }
+
+    #[actix_rt::test]
+    async fn to_bytes_streams() {
+        let stream = stream::iter(vec![Bytes::from_static(b"123"), Bytes::from_static(b"abc")])
+            .map(Ok::<_, Error>);
+        let body = BodyStream::new(stream);
+        let bytes = to_bytes(body).await.unwrap();
+        assert_eq!(bytes, b"123abc"[..]);
+    }
+
+    #[actix_rt::test]
+    async fn to_bytes_limited_complete() {
+        let bytes = to_bytes_limited((), 0).await.unwrap().unwrap();
+        assert!(bytes.is_empty());
+
+        let bytes = to_bytes_limited((), 1).await.unwrap().unwrap();
+        assert!(bytes.is_empty());
+
+        assert!(to_bytes_limited(Bytes::from_static(b"12"), 0)
+            .await
+            .is_err());
+        assert!(to_bytes_limited(Bytes::from_static(b"12"), 1)
+            .await
+            .is_err());
+        assert!(to_bytes_limited(Bytes::from_static(b"12"), 2).await.is_ok());
+        assert!(to_bytes_limited(Bytes::from_static(b"12"), 3).await.is_ok());
+    }
+
+    #[actix_rt::test]
+    async fn to_bytes_limited_streams() {
+        // hinting a larger body fails
+        let body = SizedStream::new(8, stream::empty().map(Ok::<_, Error>));
+        assert!(to_bytes_limited(body, 3).await.is_err());
+
+        // hinting a smaller body is okay
+        let body = SizedStream::new(3, stream::empty().map(Ok::<_, Error>));
+        assert!(to_bytes_limited(body, 3).await.unwrap().unwrap().is_empty());
+
+        // hinting a smaller body then returning a larger one fails
+        let stream = stream::iter(vec![Bytes::from_static(b"1234")]).map(Ok::<_, Error>);
+        let body = SizedStream::new(3, stream);
+        assert!(to_bytes_limited(body, 3).await.is_err());
+
+        let stream = stream::iter(vec![Bytes::from_static(b"123"), Bytes::from_static(b"abc")])
+            .map(Ok::<_, Error>);
+        let body = BodyStream::new(stream);
+        assert!(to_bytes_limited(body, 3).await.is_err());
+    }
+
+    #[actix_rt::test]
+    async fn to_body_limit_error() {
+        let err_stream = stream::once(async { Err(io::Error::new(io::ErrorKind::Other, "")) });
+        let body = SizedStream::new(8, err_stream);
+        // not too big, but propagates error from body stream
+        assert!(to_bytes_limited(body, 10).await.unwrap().is_err());
+    }
+}

actix-http/src/builder.rs

@@ -0,0 +1,258 @@
+use std::{fmt, marker::PhantomData, net, rc::Rc, time::Duration};
+
+use actix_codec::Framed;
+use actix_service::{IntoServiceFactory, Service, ServiceFactory};
+
+use crate::{
+    body::{BoxBody, MessageBody},
+    h1::{self, ExpectHandler, H1Service, UpgradeHandler},
+    service::HttpService,
+    ConnectCallback, Extensions, KeepAlive, Request, Response, ServiceConfig,
+};
+
+/// An HTTP service builder.
+///
+/// This type can construct an instance of [`HttpService`] through a builder-like pattern.
+pub struct HttpServiceBuilder<T, S, X = ExpectHandler, U = UpgradeHandler> {
+    keep_alive: KeepAlive,
+    client_request_timeout: Duration,
+    client_disconnect_timeout: Duration,
+    secure: bool,
+    local_addr: Option<net::SocketAddr>,
+    expect: X,
+    upgrade: Option<U>,
+    on_connect_ext: Option<Rc<ConnectCallback<T>>>,
+    _phantom: PhantomData<S>,
+}
+
+impl<T, S> Default for HttpServiceBuilder<T, S, ExpectHandler, UpgradeHandler>
+where
+    S: ServiceFactory<Request, Config = ()>,
+    S::Error: Into<Response<BoxBody>> + 'static,
+    S::InitError: fmt::Debug,
+    <S::Service as Service<Request>>::Future: 'static,
+{
+    fn default() -> Self {
+        HttpServiceBuilder {
+            // ServiceConfig parts (make sure defaults match)
+            keep_alive: KeepAlive::default(),
+            client_request_timeout: Duration::from_secs(5),
+            client_disconnect_timeout: Duration::ZERO,
+            secure: false,
+            local_addr: None,
+
+            // dispatcher parts
+            expect: ExpectHandler,
+            upgrade: None,
+            on_connect_ext: None,
+            _phantom: PhantomData,
+        }
+    }
+}
+
+impl<T, S, X, U> HttpServiceBuilder<T, S, X, U>
+where
+    S: ServiceFactory<Request, Config = ()>,
+    S::Error: Into<Response<BoxBody>> + 'static,
+    S::InitError: fmt::Debug,
+    <S::Service as Service<Request>>::Future: 'static,
+    X: ServiceFactory<Request, Config = (), Response = Request>,
+    X::Error: Into<Response<BoxBody>>,
+    X::InitError: fmt::Debug,
+    U: ServiceFactory<(Request, Framed<T, h1::Codec>), Config = (), Response = ()>,
+    U::Error: fmt::Display,
+    U::InitError: fmt::Debug,
+{
+    /// Set connection keep-alive setting.
+    ///
+    /// Applies to HTTP/1.1 keep-alive and HTTP/2 ping-pong.
+    ///
+    /// By default keep-alive is 5 seconds.
+    pub fn keep_alive<W: Into<KeepAlive>>(mut self, val: W) -> Self {
+        self.keep_alive = val.into();
+        self
+    }
+
+    /// Set connection secure state
+    pub fn secure(mut self) -> Self {
+        self.secure = true;
+        self
+    }
+
+    /// Set the local address that this service is bound to.
+    pub fn local_addr(mut self, addr: net::SocketAddr) -> Self {
+        self.local_addr = Some(addr);
+        self
+    }
+
+    /// Set client request timeout (for first request).
+    ///
+    /// Defines a timeout for reading client request header. If the client does not transmit the
+    /// request head within this duration, the connection is terminated with a `408 Request Timeout`
+    /// response error.
+    ///
+    /// A duration of zero disables the timeout.
+    ///
+    /// By default, the client timeout is 5 seconds.
+    pub fn client_request_timeout(mut self, dur: Duration) -> Self {
+        self.client_request_timeout = dur;
+        self
+    }
+
+    #[doc(hidden)]
+    #[deprecated(since = "3.0.0", note = "Renamed to `client_request_timeout`.")]
+    pub fn client_timeout(self, dur: Duration) -> Self {
+        self.client_request_timeout(dur)
+    }
+
+    /// Set client connection disconnect timeout.
+    ///
+    /// Defines a timeout for disconnect connection. If a disconnect procedure does not complete
+    /// within this time, the request get dropped. This timeout affects secure connections.
+    ///
+    /// A duration of zero disables the timeout.
+    ///
+    /// By default, the disconnect timeout is disabled.
+    pub fn client_disconnect_timeout(mut self, dur: Duration) -> Self {
+        self.client_disconnect_timeout = dur;
+        self
+    }
+
+    #[doc(hidden)]
+    #[deprecated(since = "3.0.0", note = "Renamed to `client_disconnect_timeout`.")]
+    pub fn client_disconnect(self, dur: Duration) -> Self {
+        self.client_disconnect_timeout(dur)
+    }
+
+    /// Provide service for `EXPECT: 100-Continue` support.
+    ///
+    /// Service get called with request that contains `EXPECT` header.
+    /// Service must return request in case of success, in that case
+    /// request will be forwarded to main service.
+    pub fn expect<F, X1>(self, expect: F) -> HttpServiceBuilder<T, S, X1, U>
+    where
+        F: IntoServiceFactory<X1, Request>,
+        X1: ServiceFactory<Request, Config = (), Response = Request>,
+        X1::Error: Into<Response<BoxBody>>,
+        X1::InitError: fmt::Debug,
+    {
+        HttpServiceBuilder {
+            keep_alive: self.keep_alive,
+            client_request_timeout: self.client_request_timeout,
+            client_disconnect_timeout: self.client_disconnect_timeout,
+            secure: self.secure,
+            local_addr: self.local_addr,
+            expect: expect.into_factory(),
+            upgrade: self.upgrade,
+            on_connect_ext: self.on_connect_ext,
+            _phantom: PhantomData,
+        }
+    }
+
+    /// Provide service for custom `Connection: UPGRADE` support.
+    ///
+    /// If service is provided then normal requests handling get halted
+    /// and this service get called with original request and framed object.
+    pub fn upgrade<F, U1>(self, upgrade: F) -> HttpServiceBuilder<T, S, X, U1>
+    where
+        F: IntoServiceFactory<U1, (Request, Framed<T, h1::Codec>)>,
+        U1: ServiceFactory<(Request, Framed<T, h1::Codec>), Config = (), Response = ()>,
+        U1::Error: fmt::Display,
+        U1::InitError: fmt::Debug,
+    {
+        HttpServiceBuilder {
+            keep_alive: self.keep_alive,
+            client_request_timeout: self.client_request_timeout,
+            client_disconnect_timeout: self.client_disconnect_timeout,
+            secure: self.secure,
+            local_addr: self.local_addr,
+            expect: self.expect,
+            upgrade: Some(upgrade.into_factory()),
+            on_connect_ext: self.on_connect_ext,
+            _phantom: PhantomData,
+        }
+    }
+
+    /// Sets the callback to be run on connection establishment.
+    ///
+    /// Has mutable access to a data container that will be merged into request extensions.
+    /// This enables transport layer data (like client certificates) to be accessed in middleware
+    /// and handlers.
+    pub fn on_connect_ext<F>(mut self, f: F) -> Self
+    where
+        F: Fn(&T, &mut Extensions) + 'static,
+    {
+        self.on_connect_ext = Some(Rc::new(f));
+        self
+    }
+
+    /// Finish service configuration and create a service for the HTTP/1 protocol.
+    pub fn h1<F, B>(self, service: F) -> H1Service<T, S, B, X, U>
+    where
+        B: MessageBody,
+        F: IntoServiceFactory<S, Request>,
+        S::Error: Into<Response<BoxBody>>,
+        S::InitError: fmt::Debug,
+        S::Response: Into<Response<B>>,
+    {
+        let cfg = ServiceConfig::new(
+            self.keep_alive,
+            self.client_request_timeout,
+            self.client_disconnect_timeout,
+            self.secure,
+            self.local_addr,
+        );
+
+        H1Service::with_config(cfg, service.into_factory())
+            .expect(self.expect)
+            .upgrade(self.upgrade)
+            .on_connect_ext(self.on_connect_ext)
+    }
+
+    /// Finish service configuration and create a service for the HTTP/2 protocol.
+    #[cfg(feature = "http2")]
+    pub fn h2<F, B>(self, service: F) -> crate::h2::H2Service<T, S, B>
+    where
+        F: IntoServiceFactory<S, Request>,
+        S::Error: Into<Response<BoxBody>> + 'static,
+        S::InitError: fmt::Debug,
+        S::Response: Into<Response<B>> + 'static,
+
+        B: MessageBody + 'static,
+    {
+        let cfg = ServiceConfig::new(
+            self.keep_alive,
+            self.client_request_timeout,
+            self.client_disconnect_timeout,
+            self.secure,
+            self.local_addr,
+        );
+
+        crate::h2::H2Service::with_config(cfg, service.into_factory())
+            .on_connect_ext(self.on_connect_ext)
+    }
+
+    /// Finish service configuration and create `HttpService` instance.
+    pub fn finish<F, B>(self, service: F) -> HttpService<T, S, B, X, U>
+    where
+        F: IntoServiceFactory<S, Request>,
+        S::Error: Into<Response<BoxBody>> + 'static,
+        S::InitError: fmt::Debug,
+        S::Response: Into<Response<B>> + 'static,
+
+        B: MessageBody + 'static,
+    {
+        let cfg = ServiceConfig::new(
+            self.keep_alive,
+            self.client_request_timeout,
+            self.client_disconnect_timeout,
+            self.secure,
+            self.local_addr,
+        );
+
+        HttpService::with_config(cfg, service.into_factory())
+            .expect(self.expect)
+            .upgrade(self.upgrade)
+            .on_connect_ext(self.on_connect_ext)
+    }
+}

actix-http/src/config.rs

@@ -0,0 +1,236 @@
+use std::{
+    net,
+    rc::Rc,
+    time::{Duration, Instant},
+};
+
+use bytes::BytesMut;
+
+use crate::{date::DateService, KeepAlive};
+
+/// HTTP service configuration.
+#[derive(Debug, Clone)]
+pub struct ServiceConfig(Rc<Inner>);
+
+#[derive(Debug)]
+struct Inner {
+    keep_alive: KeepAlive,
+    client_request_timeout: Duration,
+    client_disconnect_timeout: Duration,
+    secure: bool,
+    local_addr: Option<std::net::SocketAddr>,
+    date_service: DateService,
+}
+
+impl Default for ServiceConfig {
+    fn default() -> Self {
+        Self::new(
+            KeepAlive::default(),
+            Duration::from_secs(5),
+            Duration::ZERO,
+            false,
+            None,
+        )
+    }
+}
+
+impl ServiceConfig {
+    /// Create instance of `ServiceConfig`.
+    pub fn new(
+        keep_alive: KeepAlive,
+        client_request_timeout: Duration,
+        client_disconnect_timeout: Duration,
+        secure: bool,
+        local_addr: Option<net::SocketAddr>,
+    ) -> ServiceConfig {
+        ServiceConfig(Rc::new(Inner {
+            keep_alive: keep_alive.normalize(),
+            client_request_timeout,
+            client_disconnect_timeout,
+            secure,
+            local_addr,
+            date_service: DateService::new(),
+        }))
+    }
+
+    /// Returns `true` if connection is secure (i.e., using TLS / HTTPS).
+    #[inline]
+    pub fn secure(&self) -> bool {
+        self.0.secure
+    }
+
+    /// Returns the local address that this server is bound to.
+    ///
+    /// Returns `None` for connections via UDS (Unix Domain Socket).
+    #[inline]
+    pub fn local_addr(&self) -> Option<net::SocketAddr> {
+        self.0.local_addr
+    }
+
+    /// Connection keep-alive setting.
+    #[inline]
+    pub fn keep_alive(&self) -> KeepAlive {
+        self.0.keep_alive
+    }
+
+    /// Creates a time object representing the deadline for this connection's keep-alive period, if
+    /// enabled.
+    ///
+    /// When [`KeepAlive::Os`] or [`KeepAlive::Disabled`] is set, this will return `None`.
+    pub fn keep_alive_deadline(&self) -> Option<Instant> {
+        match self.keep_alive() {
+            KeepAlive::Timeout(dur) => Some(self.now() + dur),
+            KeepAlive::Os => None,
+            KeepAlive::Disabled => None,
+        }
+    }
+
+    /// Creates a time object representing the deadline for the client to finish sending the head of
+    /// its first request.
+    ///
+    /// Returns `None` if this `ServiceConfig was` constructed with `client_request_timeout: 0`.
+    pub fn client_request_deadline(&self) -> Option<Instant> {
+        let timeout = self.0.client_request_timeout;
+        (timeout != Duration::ZERO).then(|| self.now() + timeout)
+    }
+
+    /// Creates a time object representing the deadline for the client to disconnect.
+    pub fn client_disconnect_deadline(&self) -> Option<Instant> {
+        let timeout = self.0.client_disconnect_timeout;
+        (timeout != Duration::ZERO).then(|| self.now() + timeout)
+    }
+
+    pub(crate) fn now(&self) -> Instant {
+        self.0.date_service.now()
+    }
+
+    /// Writes date header to `dst` buffer.
+    ///
+    /// Low-level method that utilizes the built-in efficient date service, requiring fewer syscalls
+    /// than normal. Note that a CRLF (`\r\n`) is included in what is written.
+    #[doc(hidden)]
+    pub fn write_date_header(&self, dst: &mut BytesMut, camel_case: bool) {
+        let mut buf: [u8; 37] = [0; 37];
+
+        buf[..6].copy_from_slice(if camel_case { b"Date: " } else { b"date: " });
+
+        self.0
+            .date_service
+            .with_date(|date| buf[6..35].copy_from_slice(&date.bytes));
+
+        buf[35..].copy_from_slice(b"\r\n");
+        dst.extend_from_slice(&buf);
+    }
+
+    #[allow(unused)] // used with `http2` feature flag
+    pub(crate) fn write_date_header_value(&self, dst: &mut BytesMut) {
+        self.0
+            .date_service
+            .with_date(|date| dst.extend_from_slice(&date.bytes));
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use actix_rt::{
+        task::yield_now,
+        time::{sleep, sleep_until},
+    };
+    use memchr::memmem;
+
+    use super::*;
+    use crate::{date::DATE_VALUE_LENGTH, notify_on_drop};
+
+    #[actix_rt::test]
+    async fn test_date_service_update() {
+        let settings =
+            ServiceConfig::new(KeepAlive::Os, Duration::ZERO, Duration::ZERO, false, None);
+
+        yield_now().await;
+
+        let mut buf1 = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
+        settings.write_date_header(&mut buf1, false);
+        let now1 = settings.now();
+
+        sleep_until((Instant::now() + Duration::from_secs(2)).into()).await;
+        yield_now().await;
+
+        let now2 = settings.now();
+        let mut buf2 = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
+        settings.write_date_header(&mut buf2, false);
+
+        assert_ne!(now1, now2);
+
+        assert_ne!(buf1, buf2);
+
+        drop(settings);
+
+        // Ensure the task will drop eventually
+        let mut times = 0;
+        while !notify_on_drop::is_dropped() {
+            sleep(Duration::from_millis(100)).await;
+            times += 1;
+            assert!(times < 10, "Timeout waiting for task drop");
+        }
+    }
+
+    #[actix_rt::test]
+    async fn test_date_service_drop() {
+        let service = Rc::new(DateService::new());
+
+        // yield so date service have a chance to register the spawned timer update task.
+        yield_now().await;
+
+        let clone1 = service.clone();
+        let clone2 = service.clone();
+        let clone3 = service.clone();
+
+        drop(clone1);
+        assert!(!notify_on_drop::is_dropped());
+        drop(clone2);
+        assert!(!notify_on_drop::is_dropped());
+        drop(clone3);
+        assert!(!notify_on_drop::is_dropped());
+
+        drop(service);
+
+        // Ensure the task will drop eventually
+        let mut times = 0;
+        while !notify_on_drop::is_dropped() {
+            sleep(Duration::from_millis(100)).await;
+            times += 1;
+            assert!(times < 10, "Timeout waiting for task drop");
+        }
+    }
+
+    #[test]
+    fn test_date_len() {
+        assert_eq!(DATE_VALUE_LENGTH, "Sun, 06 Nov 1994 08:49:37 GMT".len());
+    }
+
+    #[actix_rt::test]
+    async fn test_date() {
+        let settings = ServiceConfig::default();
+
+        let mut buf1 = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
+        settings.write_date_header(&mut buf1, false);
+
+        let mut buf2 = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
+        settings.write_date_header(&mut buf2, false);
+
+        assert_eq!(buf1, buf2);
+    }
+
+    #[actix_rt::test]
+    async fn test_date_camel_case() {
+        let settings = ServiceConfig::default();
+
+        let mut buf = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
+        settings.write_date_header(&mut buf, false);
+        assert!(memmem::find(&buf, b"date:").is_some());
+
+        let mut buf = BytesMut::with_capacity(DATE_VALUE_LENGTH + 10);
+        settings.write_date_header(&mut buf, true);
+        assert!(memmem::find(&buf, b"Date:").is_some());
+    }
+}

actix-http/src/date.rs

@@ -0,0 +1,92 @@
+use std::{
+    cell::Cell,
+    fmt::{self, Write},
+    rc::Rc,
+    time::{Duration, Instant, SystemTime},
+};
+
+use actix_rt::{task::JoinHandle, time::interval};
+
+/// "Thu, 01 Jan 1970 00:00:00 GMT".len()
+pub(crate) const DATE_VALUE_LENGTH: usize = 29;
+
+#[derive(Clone, Copy)]
+pub(crate) struct Date {
+    pub(crate) bytes: [u8; DATE_VALUE_LENGTH],
+    pos: usize,
+}
+
+impl Date {
+    fn new() -> Date {
+        let mut date = Date {
+            bytes: [0; DATE_VALUE_LENGTH],
+            pos: 0,
+        };
+        date.update();
+        date
+    }
+
+    fn update(&mut self) {
+        self.pos = 0;
+        write!(self, "{}", httpdate::HttpDate::from(SystemTime::now())).unwrap();
+    }
+}
+
+impl fmt::Write for Date {
+    fn write_str(&mut self, s: &str) -> fmt::Result {
+        let len = s.len();
+        self.bytes[self.pos..self.pos + len].copy_from_slice(s.as_bytes());
+        self.pos += len;
+        Ok(())
+    }
+}
+
+/// Service for update Date and Instant periodically at 500 millis interval.
+pub(crate) struct DateService {
+    current: Rc<Cell<(Date, Instant)>>,
+    handle: JoinHandle<()>,
+}
+
+impl DateService {
+    pub(crate) fn new() -> Self {
+        // shared date and timer for DateService and update async task.
+        let current = Rc::new(Cell::new((Date::new(), Instant::now())));
+        let current_clone = Rc::clone(&current);
+        // spawn an async task sleep for 500 millis and update current date/timer in a loop.
+        // handle is used to stop the task on DateService drop.
+        let handle = actix_rt::spawn(async move {
+            #[cfg(test)]
+            let _notify = crate::notify_on_drop::NotifyOnDrop::new();
+
+            let mut interval = interval(Duration::from_millis(500));
+            loop {
+                let now = interval.tick().await;
+                let date = Date::new();
+                current_clone.set((date, now.into_std()));
+            }
+        });
+
+        DateService { current, handle }
+    }
+
+    pub(crate) fn now(&self) -> Instant {
+        self.current.get().1
+    }
+
+    pub(crate) fn with_date<F: FnMut(&Date)>(&self, mut f: F) {
+        f(&self.current.get().0);
+    }
+}
+
+impl fmt::Debug for DateService {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("DateService").finish_non_exhaustive()
+    }
+}
+
+impl Drop for DateService {
+    fn drop(&mut self) {
+        // stop the timer update async task on drop.
+        self.handle.abort();
+    }
+}