mirror of
https://github.com/actix/actix-extras.git
synced 2024-11-24 07:53:00 +01:00
port identity middleware
This commit is contained in:
Nikolay Kim
parent
134863d5c8
commit
12f0c78091
@ -33,10 +33,10 @@ members = [
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]
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[package.metadata.docs.rs]
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features = ["ssl", "tls", "rust-tls"] #, "session"]
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features = ["ssl", "tls", "rust-tls", "session"]
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[features]
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default = ["brotli", "flate2-c"]
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default = ["brotli", "flate2-c", "session"]
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# brotli encoding, requires c compiler
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brotli = ["brotli2"]
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@ -48,7 +48,7 @@ flate2-c = ["flate2/miniz-sys"]
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flate2-rust = ["flate2/rust_backend"]
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# sessions feature, session require "ring" crate and c compiler
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# session = ["actix-session"]
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session = ["cookie/secure"]
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# tls
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tls = ["native-tls", "actix-server/ssl"]
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@ -72,6 +72,7 @@ actix-server = { git = "https://github.com/actix/actix-net.git" }
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actix-server-config = { git = "https://github.com/actix/actix-net.git" }
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bytes = "0.4"
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cookie = { version="0.11", features=["percent-encode"] }
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derive_more = "0.14"
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encoding = "0.2"
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futures = "0.1"
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141
errhandlers.rs
141
errhandlers.rs
@ -1,141 +0,0 @@
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use std::collections::HashMap;
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use error::Result;
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use http::StatusCode;
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use httprequest::HttpRequest;
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use httpresponse::HttpResponse;
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use middleware::{Middleware, Response};
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type ErrorHandler<S> = Fn(&HttpRequest<S>, HttpResponse) -> Result<Response>;
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/// `Middleware` for allowing custom handlers for responses.
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///
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/// You can use `ErrorHandlers::handler()` method to register a custom error
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/// handler for specific status code. You can modify existing response or
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/// create completely new one.
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///
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/// ## Example
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///
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/// ```rust
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/// # extern crate actix_web;
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/// use actix_web::middleware::{ErrorHandlers, Response};
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/// use actix_web::{http, App, HttpRequest, HttpResponse, Result};
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///
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/// fn render_500<S>(_: &HttpRequest<S>, resp: HttpResponse) -> Result<Response> {
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/// let mut builder = resp.into_builder();
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/// builder.header(http::header::CONTENT_TYPE, "application/json");
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/// Ok(Response::Done(builder.into()))
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/// }
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///
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/// fn main() {
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/// let app = App::new()
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/// .middleware(
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/// ErrorHandlers::new()
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/// .handler(http::StatusCode::INTERNAL_SERVER_ERROR, render_500),
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/// )
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/// .resource("/test", |r| {
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/// r.method(http::Method::GET).f(|_| HttpResponse::Ok());
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/// r.method(http::Method::HEAD)
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/// .f(|_| HttpResponse::MethodNotAllowed());
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/// })
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/// .finish();
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/// }
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/// ```
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pub struct ErrorHandlers<S> {
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handlers: HashMap<StatusCode, Box<ErrorHandler<S>>>,
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}
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impl<S> Default for ErrorHandlers<S> {
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fn default() -> Self {
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ErrorHandlers {
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handlers: HashMap::new(),
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}
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}
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}
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impl<S> ErrorHandlers<S> {
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/// Construct new `ErrorHandlers` instance
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pub fn new() -> Self {
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ErrorHandlers::default()
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}
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/// Register error handler for specified status code
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pub fn handler<F>(mut self, status: StatusCode, handler: F) -> Self
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where
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F: Fn(&HttpRequest<S>, HttpResponse) -> Result<Response> + 'static,
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{
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self.handlers.insert(status, Box::new(handler));
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self
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}
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}
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impl<S: 'static> Middleware<S> for ErrorHandlers<S> {
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fn response(&self, req: &HttpRequest<S>, resp: HttpResponse) -> Result<Response> {
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if let Some(handler) = self.handlers.get(&resp.status()) {
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handler(req, resp)
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} else {
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Ok(Response::Done(resp))
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use error::{Error, ErrorInternalServerError};
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use http::header::CONTENT_TYPE;
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use http::StatusCode;
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use httpmessage::HttpMessage;
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use middleware::Started;
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use test::{self, TestRequest};
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fn render_500<S>(_: &HttpRequest<S>, resp: HttpResponse) -> Result<Response> {
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let mut builder = resp.into_builder();
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builder.header(CONTENT_TYPE, "0001");
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Ok(Response::Done(builder.into()))
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}
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#[test]
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fn test_handler() {
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let mw =
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ErrorHandlers::new().handler(StatusCode::INTERNAL_SERVER_ERROR, render_500);
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let mut req = TestRequest::default().finish();
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let resp = HttpResponse::InternalServerError().finish();
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let resp = match mw.response(&mut req, resp) {
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Ok(Response::Done(resp)) => resp,
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_ => panic!(),
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};
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assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(), "0001");
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let resp = HttpResponse::Ok().finish();
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let resp = match mw.response(&mut req, resp) {
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Ok(Response::Done(resp)) => resp,
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_ => panic!(),
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};
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assert!(!resp.headers().contains_key(CONTENT_TYPE));
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}
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struct MiddlewareOne;
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impl<S> Middleware<S> for MiddlewareOne {
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fn start(&self, _: &HttpRequest<S>) -> Result<Started, Error> {
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Err(ErrorInternalServerError("middleware error"))
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}
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}
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#[test]
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fn test_middleware_start_error() {
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let mut srv = test::TestServer::new(move |app| {
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app.middleware(
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ErrorHandlers::new()
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.handler(StatusCode::INTERNAL_SERVER_ERROR, render_500),
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).middleware(MiddlewareOne)
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.handler(|_| HttpResponse::Ok())
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});
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let request = srv.get().finish().unwrap();
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let response = srv.execute(request.send()).unwrap();
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assert_eq!(response.headers().get(CONTENT_TYPE).unwrap(), "0001");
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}
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}
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@ -14,26 +14,26 @@
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//! *HttpRequest* implements *RequestIdentity* trait.
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//!
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//! ```rust
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//! use actix_web::middleware::identity::RequestIdentity;
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//! use actix_web::middleware::identity::Identity;
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//! use actix_web::middleware::identity::{CookieIdentityPolicy, IdentityService};
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//! use actix_web::*;
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//!
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//! fn index(req: HttpRequest) -> Result<String> {
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//! fn index(id: Identity) -> String {
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//! // access request identity
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//! if let Some(id) = req.identity() {
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//! Ok(format!("Welcome! {}", id))
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//! if let Some(id) = id.identity() {
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//! format!("Welcome! {}", id)
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//! } else {
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//! Ok("Welcome Anonymous!".to_owned())
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//! "Welcome Anonymous!".to_owned()
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//! }
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//! }
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//!
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//! fn login(mut req: HttpRequest) -> HttpResponse {
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//! req.remember("User1".to_owned()); // <- remember identity
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//! fn login(id: Idenity) -> HttpResponse {
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//! id.remember("User1".to_owned()); // <- remember identity
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//! HttpResponse::Ok().finish()
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//! }
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//!
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//! fn logout(mut req: HttpRequest) -> HttpResponse {
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//! req.forget(); // <- remove identity
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//! fn logout(id: Identity) -> HttpResponse {
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//! id.forget(); // <- remove identity
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//! HttpResponse::Ok().finish()
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//! }
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//!
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@ -42,118 +42,144 @@
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//! // <- create identity middleware
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//! CookieIdentityPolicy::new(&[0; 32]) // <- create cookie session backend
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//! .name("auth-cookie")
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//! .secure(false),
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//! .secure(false))
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//! .service(web::resource("/index.html").to(index)
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//! .service(web::resource("/login.html").to(login)
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//! .service(web::resource("/logout.html").to(logout)
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//! ));
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//! }
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//! ```
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use std::cell::RefCell;
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use std::rc::Rc;
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use actix_service::{Service, Transform};
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use cookie::{Cookie, CookieJar, Key, SameSite};
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use futures::future::{err as FutErr, ok as FutOk, FutureResult};
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use futures::Future;
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use futures::future::{ok, Either, FutureResult};
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use futures::{Future, IntoFuture, Poll};
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use time::Duration;
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use error::{Error, Result};
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use http::header::{self, HeaderValue};
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use httprequest::HttpRequest;
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use httpresponse::HttpResponse;
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use middleware::{Middleware, Response, Started};
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use crate::error::{Error, Result};
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use crate::http::header::{self, HeaderValue};
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use crate::request::HttpRequest;
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use crate::service::{ServiceFromRequest, ServiceRequest, ServiceResponse};
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use crate::FromRequest;
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use crate::HttpMessage;
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/// The helper trait to obtain your identity from a request.
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/// The extractor type to obtain your identity from a request.
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///
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/// ```rust
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/// use actix_web::middleware::identity::RequestIdentity;
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/// use actix_web::*;
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/// use actix_web::middleware::identity::Identity;
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///
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/// fn index(req: HttpRequest) -> Result<String> {
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/// fn index(id: Identity) -> Result<String> {
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/// // access request identity
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/// if let Some(id) = req.identity() {
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/// if let Some(id) = id.identity() {
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/// Ok(format!("Welcome! {}", id))
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/// } else {
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/// Ok("Welcome Anonymous!".to_owned())
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/// }
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/// }
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///
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/// fn login(mut req: HttpRequest) -> HttpResponse {
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/// req.remember("User1".to_owned()); // <- remember identity
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/// fn login(id: Identity) -> HttpResponse {
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/// id.remember("User1".to_owned()); // <- remember identity
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/// HttpResponse::Ok().finish()
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/// }
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///
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/// fn logout(mut req: HttpRequest) -> HttpResponse {
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/// req.forget(); // <- remove identity
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/// fn logout(id: Identity) -> HttpResponse {
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/// id.forget(); // <- remove identity
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/// HttpResponse::Ok().finish()
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/// }
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/// # fn main() {}
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/// ```
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pub trait RequestIdentity {
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#[derive(Clone)]
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pub struct Identity(HttpRequest);
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impl Identity {
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/// Return the claimed identity of the user associated request or
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/// ``None`` if no identity can be found associated with the request.
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fn identity(&self) -> Option<String>;
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/// Remember identity.
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fn remember(&self, identity: String);
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/// This method is used to 'forget' the current identity on subsequent
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/// requests.
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fn forget(&self);
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}
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impl<S> RequestIdentity for HttpRequest<S> {
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fn identity(&self) -> Option<String> {
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if let Some(id) = self.extensions().get::<IdentityBox>() {
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return id.0.identity().map(|s| s.to_owned());
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}
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pub fn identity(&self) -> Option<String> {
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if let Some(id) = self.0.extensions().get::<IdentityItem>() {
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id.id.clone()
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} else {
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None
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}
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fn remember(&self, identity: String) {
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if let Some(id) = self.extensions_mut().get_mut::<IdentityBox>() {
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return id.0.as_mut().remember(identity);
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}
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}
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fn forget(&self) {
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if let Some(id) = self.extensions_mut().get_mut::<IdentityBox>() {
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return id.0.forget();
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}
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}
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}
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/// An identity
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pub trait Identity: 'static {
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/// Return the claimed identity of the user associated request or
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/// ``None`` if no identity can be found associated with the request.
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fn identity(&self) -> Option<&str>;
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/// Remember identity.
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fn remember(&mut self, key: String);
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pub fn remember(&self, identity: String) {
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if let Some(id) = self.0.extensions_mut().get_mut::<IdentityItem>() {
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id.id = Some(identity);
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id.changed = true;
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}
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}
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/// This method is used to 'forget' the current identity on subsequent
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/// requests.
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fn forget(&mut self);
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pub fn forget(&self) {
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if let Some(id) = self.0.extensions_mut().get_mut::<IdentityItem>() {
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id.id = None;
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id.changed = true;
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}
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}
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}
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/// Write session to storage backend.
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fn write(&mut self, resp: HttpResponse) -> Result<Response>;
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struct IdentityItem {
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id: Option<String>,
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changed: bool,
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}
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/// Extractor implementation for Identity type.
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///
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/// ```rust
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/// # use actix_web::*;
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/// use actix_web::middleware::identity::Identity;
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///
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/// fn index(id: Identity) -> String {
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/// // access request identity
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/// if let Some(id) = id.identity() {
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/// format!("Welcome! {}", id)
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/// } else {
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/// "Welcome Anonymous!".to_owned()
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/// }
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/// }
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/// # fn main() {}
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/// ```
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impl<P> FromRequest<P> for Identity {
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type Error = Error;
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type Future = Result<Identity, Error>;
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type Config = ();
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#[inline]
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fn from_request(req: &mut ServiceFromRequest<P>) -> Self::Future {
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Ok(Identity(req.clone()))
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}
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}
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/// Identity policy definition.
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pub trait IdentityPolicy<S>: Sized + 'static {
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/// The associated identity
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type Identity: Identity;
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pub trait IdentityPolicy: Sized + 'static {
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/// The return type of the middleware
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type Future: IntoFuture<Item = Option<String>, Error = Error>;
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/// The return type of the middleware
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type Future: Future<Item = Self::Identity, Error = Error>;
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type ResponseFuture: IntoFuture<Item = (), Error = Error>;
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/// Parse the session from request and load data from a service identity.
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fn from_request(&self, request: &HttpRequest<S>) -> Self::Future;
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fn from_request<P>(&self, request: &mut ServiceRequest<P>) -> Self::Future;
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/// Write changes to response
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fn to_response<B>(
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&self,
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identity: Option<String>,
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changed: bool,
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response: &mut ServiceResponse<B>,
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) -> Self::ResponseFuture;
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}
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/// Request identity middleware
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///
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/// ```rust
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/// # extern crate actix_web;
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/// use actix_web::middleware::identity::{CookieIdentityPolicy, IdentityService};
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/// use actix_web::App;
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/// use actix_web::middleware::identity::{CookieIdentityPolicy, IdentityService};
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///
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/// fn main() {
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/// let app = App::new().middleware(IdentityService::new(
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@ -165,68 +191,97 @@ pub trait IdentityPolicy<S>: Sized + 'static {
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/// }
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/// ```
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pub struct IdentityService<T> {
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backend: T,
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backend: Rc<T>,
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}
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impl<T> IdentityService<T> {
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/// Create new identity service with specified backend.
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pub fn new(backend: T) -> Self {
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IdentityService { backend }
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IdentityService {
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backend: Rc::new(backend),
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}
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}
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}
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struct IdentityBox(Box<Identity>);
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impl<S, T, P, B> Transform<S> for IdentityService<T>
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where
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P: 'static,
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S: Service<Request = ServiceRequest<P>, Response = ServiceResponse<B>> + 'static,
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S::Future: 'static,
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T: IdentityPolicy,
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B: 'static,
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{
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type Request = ServiceRequest<P>;
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type Response = ServiceResponse<B>;
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type Error = S::Error;
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type InitError = ();
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type Transform = IdentityServiceMiddleware<S, T>;
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type Future = FutureResult<Self::Transform, Self::InitError>;
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impl<S: 'static, T: IdentityPolicy<S>> Middleware<S> for IdentityService<T> {
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fn start(&self, req: &HttpRequest<S>) -> Result<Started> {
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let req = req.clone();
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let fut = self.backend.from_request(&req).then(move |res| match res {
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fn new_transform(&self, service: S) -> Self::Future {
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ok(IdentityServiceMiddleware {
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backend: self.backend.clone(),
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service: Rc::new(RefCell::new(service)),
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})
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}
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}
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pub struct IdentityServiceMiddleware<S, T> {
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backend: Rc<T>,
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service: Rc<RefCell<S>>,
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}
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impl<S, T, P, B> Service for IdentityServiceMiddleware<S, T>
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where
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P: 'static,
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B: 'static,
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S: Service<Request = ServiceRequest<P>, Response = ServiceResponse<B>> + 'static,
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S::Future: 'static,
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T: IdentityPolicy,
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{
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type Request = ServiceRequest<P>;
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type Response = ServiceResponse<B>;
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type Error = S::Error;
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type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
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fn poll_ready(&mut self) -> Poll<(), Self::Error> {
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self.service.borrow_mut().poll_ready()
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}
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||||
fn call(&mut self, mut req: ServiceRequest<P>) -> Self::Future {
|
||||
let srv = self.service.clone();
|
||||
let backend = self.backend.clone();
|
||||
|
||||
Box::new(
|
||||
self.backend.from_request(&mut req).into_future().then(
|
||||
move |res| match res {
|
||||
Ok(id) => {
|
||||
req.extensions_mut().insert(IdentityBox(Box::new(id)));
|
||||
FutOk(None)
|
||||
}
|
||||
Err(err) => FutErr(err),
|
||||
});
|
||||
Ok(Started::Future(Box::new(fut)))
|
||||
}
|
||||
req.extensions_mut()
|
||||
.insert(IdentityItem { id, changed: false });
|
||||
|
||||
fn response(&self, req: &HttpRequest<S>, resp: HttpResponse) -> Result<Response> {
|
||||
if let Some(ref mut id) = req.extensions_mut().get_mut::<IdentityBox>() {
|
||||
id.0.as_mut().write(resp)
|
||||
Either::A(srv.borrow_mut().call(req).and_then(move |mut res| {
|
||||
let id =
|
||||
res.request().extensions_mut().remove::<IdentityItem>();
|
||||
|
||||
if let Some(id) = id {
|
||||
return Either::A(
|
||||
backend
|
||||
.to_response(id.id, id.changed, &mut res)
|
||||
.into_future()
|
||||
.then(move |t| match t {
|
||||
Ok(_) => Ok(res),
|
||||
Err(e) => Ok(res.error_response(e)),
|
||||
}),
|
||||
);
|
||||
} else {
|
||||
Ok(Response::Done(resp))
|
||||
Either::B(ok(res))
|
||||
}
|
||||
}))
|
||||
}
|
||||
}
|
||||
|
||||
#[doc(hidden)]
|
||||
/// Identity that uses private cookies as identity storage.
|
||||
pub struct CookieIdentity {
|
||||
changed: bool,
|
||||
identity: Option<String>,
|
||||
inner: Rc<CookieIdentityInner>,
|
||||
}
|
||||
|
||||
impl Identity for CookieIdentity {
|
||||
fn identity(&self) -> Option<&str> {
|
||||
self.identity.as_ref().map(|s| s.as_ref())
|
||||
}
|
||||
|
||||
fn remember(&mut self, value: String) {
|
||||
self.changed = true;
|
||||
self.identity = Some(value);
|
||||
}
|
||||
|
||||
fn forget(&mut self) {
|
||||
self.changed = true;
|
||||
self.identity = None;
|
||||
}
|
||||
|
||||
fn write(&mut self, mut resp: HttpResponse) -> Result<Response> {
|
||||
if self.changed {
|
||||
let _ = self.inner.set_cookie(&mut resp, self.identity.take());
|
||||
}
|
||||
Ok(Response::Done(resp))
|
||||
Err(err) => Either::B(ok(req.error_response(err))),
|
||||
},
|
||||
),
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
@ -253,7 +308,11 @@ impl CookieIdentityInner {
|
||||
}
|
||||
}
|
||||
|
||||
fn set_cookie(&self, resp: &mut HttpResponse, id: Option<String>) -> Result<()> {
|
||||
fn set_cookie<B>(
|
||||
&self,
|
||||
resp: &mut ServiceResponse<B>,
|
||||
id: Option<String>,
|
||||
) -> Result<()> {
|
||||
let some = id.is_some();
|
||||
{
|
||||
let id = id.unwrap_or_else(String::new);
|
||||
@ -291,7 +350,7 @@ impl CookieIdentityInner {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn load<S>(&self, req: &HttpRequest<S>) -> Option<String> {
|
||||
fn load<T>(&self, req: &ServiceRequest<T>) -> Option<String> {
|
||||
if let Ok(cookies) = req.cookies() {
|
||||
for cookie in cookies.iter() {
|
||||
if cookie.name() == self.name {
|
||||
@ -384,16 +443,23 @@ impl CookieIdentityPolicy {
|
||||
}
|
||||
}
|
||||
|
||||
impl<S> IdentityPolicy<S> for CookieIdentityPolicy {
|
||||
type Identity = CookieIdentity;
|
||||
type Future = FutureResult<CookieIdentity, Error>;
|
||||
impl IdentityPolicy for CookieIdentityPolicy {
|
||||
type Future = Result<Option<String>, Error>;
|
||||
type ResponseFuture = Result<(), Error>;
|
||||
|
||||
fn from_request(&self, req: &HttpRequest<S>) -> Self::Future {
|
||||
let identity = self.0.load(req);
|
||||
FutOk(CookieIdentity {
|
||||
identity,
|
||||
changed: false,
|
||||
inner: Rc::clone(&self.0),
|
||||
})
|
||||
fn from_request<P>(&self, req: &mut ServiceRequest<P>) -> Self::Future {
|
||||
Ok(self.0.load(req))
|
||||
}
|
||||
|
||||
fn to_response<B>(
|
||||
&self,
|
||||
id: Option<String>,
|
||||
changed: bool,
|
||||
res: &mut ServiceResponse<B>,
|
||||
) -> Self::ResponseFuture {
|
||||
if changed {
|
||||
let _ = self.0.set_cookie(res, id);
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
@ -6,8 +6,11 @@ pub use self::compress::Compress;
|
||||
mod defaultheaders;
|
||||
pub use self::defaultheaders::DefaultHeaders;
|
||||
|
||||
#[cfg(feature = "session")]
|
||||
pub use actix_session as session;
|
||||
// #[cfg(feature = "session")]
|
||||
// pub use actix_session as session;
|
||||
|
||||
mod logger;
|
||||
pub use self::logger::Logger;
|
||||
|
||||
#[cfg(feature = "session")]
|
||||
pub mod identity;
|
||||
|
||||
@ -82,8 +82,9 @@ impl<P> ServiceRequest<P> {
|
||||
|
||||
/// Create service response for error
|
||||
#[inline]
|
||||
pub fn error_response<E: Into<Error>>(self, err: E) -> ServiceResponse {
|
||||
ServiceResponse::new(self.req, err.into().into())
|
||||
pub fn error_response<B, E: Into<Error>>(self, err: E) -> ServiceResponse<B> {
|
||||
let res: Response = err.into().into();
|
||||
ServiceResponse::new(self.req, res.into_body())
|
||||
}
|
||||
|
||||
/// This method returns reference to the request head
|
||||
@ -335,6 +336,12 @@ impl<B> ServiceResponse<B> {
|
||||
}
|
||||
}
|
||||
|
||||
/// Create service response for error
|
||||
#[inline]
|
||||
pub fn error_response<E: Into<Error>>(self, err: E) -> Self {
|
||||
Self::from_err(err, self.request)
|
||||
}
|
||||
|
||||
/// Get reference to original request
|
||||
#[inline]
|
||||
pub fn request(&self) -> &HttpRequest {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user