//! Static files support for Actix Web. //! //! Provides a non-blocking service for serving static files from disk. //! //! # Example //! ```rust //! use actix_web::App; //! use actix_files::Files; //! //! let app = App::new() //! .service(Files::new("/static", ".").prefer_utf8(true)); //! ``` #![deny(rust_2018_idioms)] #![warn(missing_docs, missing_debug_implementations)] use std::io; use actix_service::boxed::{BoxService, BoxServiceFactory}; use actix_web::{ dev::{ServiceRequest, ServiceResponse}, error::{BlockingError, Error, ErrorInternalServerError}, http::header::DispositionType, }; use mime_guess::from_ext; mod chunked; mod directory; mod encoding; mod error; mod files; mod named; mod path_buf; mod range; mod service; pub use crate::chunked::ChunkedReadFile; pub use crate::directory::Directory; pub use crate::files::Files; pub use crate::named::NamedFile; pub use crate::range::HttpRange; pub use crate::service::FilesService; use self::directory::{directory_listing, DirectoryRenderer}; use self::error::FilesError; use self::path_buf::PathBufWrap; type HttpService = BoxService; type HttpNewService = BoxServiceFactory<(), ServiceRequest, ServiceResponse, Error, ()>; /// Return the MIME type associated with a filename extension (case-insensitive). /// If `ext` is empty or no associated type for the extension was found, returns /// the type `application/octet-stream`. #[inline] pub fn file_extension_to_mime(ext: &str) -> mime::Mime { from_ext(ext).first_or_octet_stream() } pub(crate) fn handle_error(err: BlockingError) -> Error { match err { BlockingError::Error(err) => err.into(), BlockingError::Canceled => ErrorInternalServerError("Unexpected error"), } } type MimeOverride = dyn Fn(&mime::Name<'_>) -> DispositionType; #[cfg(test)] mod tests { use std::{ fs::{self, File}, ops::Add, time::{Duration, SystemTime}, }; use actix_service::ServiceFactory; use actix_web::{ guard, http::{ header::{self, ContentDisposition, DispositionParam, DispositionType}, Method, StatusCode, }, middleware::Compress, test::{self, TestRequest}, web, App, HttpResponse, Responder, }; use futures_util::future::ok; use super::*; #[actix_rt::test] async fn test_file_extension_to_mime() { let m = file_extension_to_mime(""); assert_eq!(m, mime::APPLICATION_OCTET_STREAM); let m = file_extension_to_mime("jpg"); assert_eq!(m, mime::IMAGE_JPEG); let m = file_extension_to_mime("invalid extension!!"); assert_eq!(m, mime::APPLICATION_OCTET_STREAM); let m = file_extension_to_mime(""); assert_eq!(m, mime::APPLICATION_OCTET_STREAM); } #[actix_rt::test] async fn test_if_modified_since_without_if_none_match() { let file = NamedFile::open("Cargo.toml").unwrap(); let since = header::HttpDate::from(SystemTime::now().add(Duration::from_secs(60))); let req = TestRequest::default() .header(header::IF_MODIFIED_SINCE, since) .to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert_eq!(resp.status(), StatusCode::NOT_MODIFIED); } #[actix_rt::test] async fn test_if_modified_since_with_if_none_match() { let file = NamedFile::open("Cargo.toml").unwrap(); let since = header::HttpDate::from(SystemTime::now().add(Duration::from_secs(60))); let req = TestRequest::default() .header(header::IF_NONE_MATCH, "miss_etag") .header(header::IF_MODIFIED_SINCE, since) .to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert_ne!(resp.status(), StatusCode::NOT_MODIFIED); } #[actix_rt::test] async fn test_named_file_text() { assert!(NamedFile::open("test--").is_err()); let mut file = NamedFile::open("Cargo.toml").unwrap(); { file.file(); let _f: &File = &file; } { let _f: &mut File = &mut file; } let req = TestRequest::default().to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert_eq!( resp.headers().get(header::CONTENT_TYPE).unwrap(), "text/x-toml" ); assert_eq!( resp.headers().get(header::CONTENT_DISPOSITION).unwrap(), "inline; filename=\"Cargo.toml\"" ); } #[actix_rt::test] async fn test_named_file_content_disposition() { assert!(NamedFile::open("test--").is_err()); let mut file = NamedFile::open("Cargo.toml").unwrap(); { file.file(); let _f: &File = &file; } { let _f: &mut File = &mut file; } let req = TestRequest::default().to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert_eq!( resp.headers().get(header::CONTENT_DISPOSITION).unwrap(), "inline; filename=\"Cargo.toml\"" ); let file = NamedFile::open("Cargo.toml") .unwrap() .disable_content_disposition(); let req = TestRequest::default().to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert!(resp.headers().get(header::CONTENT_DISPOSITION).is_none()); } #[actix_rt::test] async fn test_named_file_non_ascii_file_name() { let mut file = NamedFile::from_file(File::open("Cargo.toml").unwrap(), "貨物.toml") .unwrap(); { file.file(); let _f: &File = &file; } { let _f: &mut File = &mut file; } let req = TestRequest::default().to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert_eq!( resp.headers().get(header::CONTENT_TYPE).unwrap(), "text/x-toml" ); assert_eq!( resp.headers().get(header::CONTENT_DISPOSITION).unwrap(), "inline; filename=\"貨物.toml\"; filename*=UTF-8''%E8%B2%A8%E7%89%A9.toml" ); } #[actix_rt::test] async fn test_named_file_set_content_type() { let mut file = NamedFile::open("Cargo.toml") .unwrap() .set_content_type(mime::TEXT_XML); { file.file(); let _f: &File = &file; } { let _f: &mut File = &mut file; } let req = TestRequest::default().to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert_eq!( resp.headers().get(header::CONTENT_TYPE).unwrap(), "text/xml" ); assert_eq!( resp.headers().get(header::CONTENT_DISPOSITION).unwrap(), "inline; filename=\"Cargo.toml\"" ); } #[actix_rt::test] async fn test_named_file_image() { let mut file = NamedFile::open("tests/test.png").unwrap(); { file.file(); let _f: &File = &file; } { let _f: &mut File = &mut file; } let req = TestRequest::default().to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert_eq!( resp.headers().get(header::CONTENT_TYPE).unwrap(), "image/png" ); assert_eq!( resp.headers().get(header::CONTENT_DISPOSITION).unwrap(), "inline; filename=\"test.png\"" ); } #[actix_rt::test] async fn test_named_file_image_attachment() { let cd = ContentDisposition { disposition: DispositionType::Attachment, parameters: vec![DispositionParam::Filename(String::from("test.png"))], }; let mut file = NamedFile::open("tests/test.png") .unwrap() .set_content_disposition(cd); { file.file(); let _f: &File = &file; } { let _f: &mut File = &mut file; } let req = TestRequest::default().to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert_eq!( resp.headers().get(header::CONTENT_TYPE).unwrap(), "image/png" ); assert_eq!( resp.headers().get(header::CONTENT_DISPOSITION).unwrap(), "attachment; filename=\"test.png\"" ); } #[actix_rt::test] async fn test_named_file_binary() { let mut file = NamedFile::open("tests/test.binary").unwrap(); { file.file(); let _f: &File = &file; } { let _f: &mut File = &mut file; } let req = TestRequest::default().to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert_eq!( resp.headers().get(header::CONTENT_TYPE).unwrap(), "application/octet-stream" ); assert_eq!( resp.headers().get(header::CONTENT_DISPOSITION).unwrap(), "attachment; filename=\"test.binary\"" ); } #[actix_rt::test] async fn test_named_file_status_code_text() { let mut file = NamedFile::open("Cargo.toml") .unwrap() .set_status_code(StatusCode::NOT_FOUND); { file.file(); let _f: &File = &file; } { let _f: &mut File = &mut file; } let req = TestRequest::default().to_http_request(); let resp = file.respond_to(&req).await.unwrap(); assert_eq!( resp.headers().get(header::CONTENT_TYPE).unwrap(), "text/x-toml" ); assert_eq!( resp.headers().get(header::CONTENT_DISPOSITION).unwrap(), "inline; filename=\"Cargo.toml\"" ); assert_eq!(resp.status(), StatusCode::NOT_FOUND); } #[actix_rt::test] async fn test_mime_override() { fn all_attachment(_: &mime::Name<'_>) -> DispositionType { DispositionType::Attachment } let mut srv = test::init_service( App::new().service( Files::new("/", ".") .mime_override(all_attachment) .index_file("Cargo.toml"), ), ) .await; let request = TestRequest::get().uri("/").to_request(); let response = test::call_service(&mut srv, request).await; assert_eq!(response.status(), StatusCode::OK); let content_disposition = response .headers() .get(header::CONTENT_DISPOSITION) .expect("To have CONTENT_DISPOSITION"); let content_disposition = content_disposition .to_str() .expect("Convert CONTENT_DISPOSITION to str"); assert_eq!(content_disposition, "attachment; filename=\"Cargo.toml\""); } #[actix_rt::test] async fn test_named_file_ranges_status_code() { let mut srv = test::init_service( App::new().service(Files::new("/test", ".").index_file("Cargo.toml")), ) .await; // Valid range header let request = TestRequest::get() .uri("/t%65st/Cargo.toml") .header(header::RANGE, "bytes=10-20") .to_request(); let response = test::call_service(&mut srv, request).await; assert_eq!(response.status(), StatusCode::PARTIAL_CONTENT); // Invalid range header let request = TestRequest::get() .uri("/t%65st/Cargo.toml") .header(header::RANGE, "bytes=1-0") .to_request(); let response = test::call_service(&mut srv, request).await; assert_eq!(response.status(), StatusCode::RANGE_NOT_SATISFIABLE); } #[actix_rt::test] async fn test_named_file_content_range_headers() { let srv = test::start(|| App::new().service(Files::new("/", "."))); // Valid range header let response = srv .get("/tests/test.binary") .header(header::RANGE, "bytes=10-20") .send() .await .unwrap(); let content_range = response.headers().get(header::CONTENT_RANGE).unwrap(); assert_eq!(content_range.to_str().unwrap(), "bytes 10-20/100"); // Invalid range header let response = srv .get("/tests/test.binary") .header(header::RANGE, "bytes=10-5") .send() .await .unwrap(); let content_range = response.headers().get(header::CONTENT_RANGE).unwrap(); assert_eq!(content_range.to_str().unwrap(), "bytes */100"); } #[actix_rt::test] async fn test_named_file_content_length_headers() { let srv = test::start(|| App::new().service(Files::new("/", "."))); // Valid range header let response = srv .get("/tests/test.binary") .header(header::RANGE, "bytes=10-20") .send() .await .unwrap(); let content_length = response.headers().get(header::CONTENT_LENGTH).unwrap(); assert_eq!(content_length.to_str().unwrap(), "11"); // Valid range header, starting from 0 let response = srv .get("/tests/test.binary") .header(header::RANGE, "bytes=0-20") .send() .await .unwrap(); let content_length = response.headers().get(header::CONTENT_LENGTH).unwrap(); assert_eq!(content_length.to_str().unwrap(), "21"); // Without range header let mut response = srv.get("/tests/test.binary").send().await.unwrap(); let content_length = response.headers().get(header::CONTENT_LENGTH).unwrap(); assert_eq!(content_length.to_str().unwrap(), "100"); // Should be no transfer-encoding let transfer_encoding = response.headers().get(header::TRANSFER_ENCODING); assert!(transfer_encoding.is_none()); // Check file contents let bytes = response.body().await.unwrap(); let data = web::Bytes::from(fs::read("tests/test.binary").unwrap()); assert_eq!(bytes, data); } #[actix_rt::test] async fn test_head_content_length_headers() { let srv = test::start(|| App::new().service(Files::new("/", "."))); let response = srv.head("/tests/test.binary").send().await.unwrap(); let content_length = response .headers() .get(header::CONTENT_LENGTH) .unwrap() .to_str() .unwrap(); assert_eq!(content_length, "100"); } #[actix_rt::test] async fn test_static_files_with_spaces() { let mut srv = test::init_service( App::new().service(Files::new("/", ".").index_file("Cargo.toml")), ) .await; let request = TestRequest::get() .uri("/tests/test%20space.binary") .to_request(); let response = test::call_service(&mut srv, request).await; assert_eq!(response.status(), StatusCode::OK); let bytes = test::read_body(response).await; let data = web::Bytes::from(fs::read("tests/test space.binary").unwrap()); assert_eq!(bytes, data); } #[actix_rt::test] async fn test_files_not_allowed() { let mut srv = test::init_service(App::new().service(Files::new("/", "."))).await; let req = TestRequest::default() .uri("/Cargo.toml") .method(Method::POST) .to_request(); let resp = test::call_service(&mut srv, req).await; assert_eq!(resp.status(), StatusCode::METHOD_NOT_ALLOWED); let mut srv = test::init_service(App::new().service(Files::new("/", "."))).await; let req = TestRequest::default() .method(Method::PUT) .uri("/Cargo.toml") .to_request(); let resp = test::call_service(&mut srv, req).await; assert_eq!(resp.status(), StatusCode::METHOD_NOT_ALLOWED); } #[actix_rt::test] async fn test_files_guards() { let mut srv = test::init_service( App::new().service(Files::new("/", ".").use_guards(guard::Post())), ) .await; let req = TestRequest::default() .uri("/Cargo.toml") .method(Method::POST) .to_request(); let resp = test::call_service(&mut srv, req).await; assert_eq!(resp.status(), StatusCode::OK); } #[actix_rt::test] async fn test_named_file_content_encoding() { let mut srv = test::init_service(App::new().wrap(Compress::default()).service( web::resource("/").to(|| async { NamedFile::open("Cargo.toml") .unwrap() .set_content_encoding(header::ContentEncoding::Identity) }), )) .await; let request = TestRequest::get() .uri("/") .header(header::ACCEPT_ENCODING, "gzip") .to_request(); let res = test::call_service(&mut srv, request).await; assert_eq!(res.status(), StatusCode::OK); assert!(!res.headers().contains_key(header::CONTENT_ENCODING)); } #[actix_rt::test] async fn test_named_file_content_encoding_gzip() { let mut srv = test::init_service(App::new().wrap(Compress::default()).service( web::resource("/").to(|| async { NamedFile::open("Cargo.toml") .unwrap() .set_content_encoding(header::ContentEncoding::Gzip) }), )) .await; let request = TestRequest::get() .uri("/") .header(header::ACCEPT_ENCODING, "gzip") .to_request(); let res = test::call_service(&mut srv, request).await; assert_eq!(res.status(), StatusCode::OK); assert_eq!( res.headers() .get(header::CONTENT_ENCODING) .unwrap() .to_str() .unwrap(), "gzip" ); } #[actix_rt::test] async fn test_named_file_allowed_method() { let req = TestRequest::default().method(Method::GET).to_http_request(); let file = NamedFile::open("Cargo.toml").unwrap(); let resp = file.respond_to(&req).await.unwrap(); assert_eq!(resp.status(), StatusCode::OK); } #[actix_rt::test] async fn test_static_files() { let mut srv = test::init_service( App::new().service(Files::new("/", ".").show_files_listing()), ) .await; let req = TestRequest::with_uri("/missing").to_request(); let resp = test::call_service(&mut srv, req).await; assert_eq!(resp.status(), StatusCode::NOT_FOUND); let mut srv = test::init_service(App::new().service(Files::new("/", "."))).await; let req = TestRequest::default().to_request(); let resp = test::call_service(&mut srv, req).await; assert_eq!(resp.status(), StatusCode::NOT_FOUND); let mut srv = test::init_service( App::new().service(Files::new("/", ".").show_files_listing()), ) .await; let req = TestRequest::with_uri("/tests").to_request(); let resp = test::call_service(&mut srv, req).await; assert_eq!( resp.headers().get(header::CONTENT_TYPE).unwrap(), "text/html; charset=utf-8" ); let bytes = test::read_body(resp).await; assert!(format!("{:?}", bytes).contains("/tests/test.png")); } #[actix_rt::test] async fn test_redirect_to_slash_directory() { // should not redirect if no index let mut srv = test::init_service( App::new().service(Files::new("/", ".").redirect_to_slash_directory()), ) .await; let req = TestRequest::with_uri("/tests").to_request(); let resp = test::call_service(&mut srv, req).await; assert_eq!(resp.status(), StatusCode::NOT_FOUND); // should redirect if index present let mut srv = test::init_service( App::new().service( Files::new("/", ".") .index_file("test.png") .redirect_to_slash_directory(), ), ) .await; let req = TestRequest::with_uri("/tests").to_request(); let resp = test::call_service(&mut srv, req).await; assert_eq!(resp.status(), StatusCode::FOUND); // should not redirect if the path is wrong let req = TestRequest::with_uri("/not_existing").to_request(); let resp = test::call_service(&mut srv, req).await; assert_eq!(resp.status(), StatusCode::NOT_FOUND); } #[actix_rt::test] async fn test_static_files_bad_directory() { let _st: Files = Files::new("/", "missing"); let _st: Files = Files::new("/", "Cargo.toml"); } #[actix_rt::test] async fn test_default_handler_file_missing() { let mut st = Files::new("/", ".") .default_handler(|req: ServiceRequest| { ok(req.into_response(HttpResponse::Ok().body("default content"))) }) .new_service(()) .await .unwrap(); let req = TestRequest::with_uri("/missing").to_srv_request(); let resp = test::call_service(&mut st, req).await; assert_eq!(resp.status(), StatusCode::OK); let bytes = test::read_body(resp).await; assert_eq!(bytes, web::Bytes::from_static(b"default content")); } // #[actix_rt::test] // async fn test_serve_index() { // let st = Files::new(".").index_file("test.binary"); // let req = TestRequest::default().uri("/tests").finish(); // let resp = st.handle(&req).respond_to(&req).unwrap(); // let resp = resp.as_msg(); // assert_eq!(resp.status(), StatusCode::OK); // assert_eq!( // resp.headers() // .get(header::CONTENT_TYPE) // .expect("content type"), // "application/octet-stream" // ); // assert_eq!( // resp.headers() // .get(header::CONTENT_DISPOSITION) // .expect("content disposition"), // "attachment; filename=\"test.binary\"" // ); // let req = TestRequest::default().uri("/tests/").finish(); // let resp = st.handle(&req).respond_to(&req).unwrap(); // let resp = resp.as_msg(); // assert_eq!(resp.status(), StatusCode::OK); // assert_eq!( // resp.headers().get(header::CONTENT_TYPE).unwrap(), // "application/octet-stream" // ); // assert_eq!( // resp.headers().get(header::CONTENT_DISPOSITION).unwrap(), // "attachment; filename=\"test.binary\"" // ); // // nonexistent index file // let req = TestRequest::default().uri("/tests/unknown").finish(); // let resp = st.handle(&req).respond_to(&req).unwrap(); // let resp = resp.as_msg(); // assert_eq!(resp.status(), StatusCode::NOT_FOUND); // let req = TestRequest::default().uri("/tests/unknown/").finish(); // let resp = st.handle(&req).respond_to(&req).unwrap(); // let resp = resp.as_msg(); // assert_eq!(resp.status(), StatusCode::NOT_FOUND); // } // #[actix_rt::test] // async fn test_serve_index_nested() { // let st = Files::new(".").index_file("mod.rs"); // let req = TestRequest::default().uri("/src/client").finish(); // let resp = st.handle(&req).respond_to(&req).unwrap(); // let resp = resp.as_msg(); // assert_eq!(resp.status(), StatusCode::OK); // assert_eq!( // resp.headers().get(header::CONTENT_TYPE).unwrap(), // "text/x-rust" // ); // assert_eq!( // resp.headers().get(header::CONTENT_DISPOSITION).unwrap(), // "inline; filename=\"mod.rs\"" // ); // } // #[actix_rt::test] // fn integration_serve_index() { // let mut srv = test::TestServer::with_factory(|| { // App::new().handler( // "test", // Files::new(".").index_file("Cargo.toml"), // ) // }); // let request = srv.get().uri(srv.url("/test")).finish().unwrap(); // let response = srv.execute(request.send()).unwrap(); // assert_eq!(response.status(), StatusCode::OK); // let bytes = srv.execute(response.body()).unwrap(); // let data = Bytes::from(fs::read("Cargo.toml").unwrap()); // assert_eq!(bytes, data); // let request = srv.get().uri(srv.url("/test/")).finish().unwrap(); // let response = srv.execute(request.send()).unwrap(); // assert_eq!(response.status(), StatusCode::OK); // let bytes = srv.execute(response.body()).unwrap(); // let data = Bytes::from(fs::read("Cargo.toml").unwrap()); // assert_eq!(bytes, data); // // nonexistent index file // let request = srv.get().uri(srv.url("/test/unknown")).finish().unwrap(); // let response = srv.execute(request.send()).unwrap(); // assert_eq!(response.status(), StatusCode::NOT_FOUND); // let request = srv.get().uri(srv.url("/test/unknown/")).finish().unwrap(); // let response = srv.execute(request.send()).unwrap(); // assert_eq!(response.status(), StatusCode::NOT_FOUND); // } // #[actix_rt::test] // fn integration_percent_encoded() { // let mut srv = test::TestServer::with_factory(|| { // App::new().handler( // "test", // Files::new(".").index_file("Cargo.toml"), // ) // }); // let request = srv // .get() // .uri(srv.url("/test/%43argo.toml")) // .finish() // .unwrap(); // let response = srv.execute(request.send()).unwrap(); // assert_eq!(response.status(), StatusCode::OK); // } }