working on implementing Cors Check and Origin to Ascii serialisation

tests/unit/net/Cargo.toml

@@ -35,3 +35,4 @@ hyper = "0.7"
 url = "0.5.4"
 time = "0.1"
 flate2 = "0.2.0"
+unicase = "1.0"

tests/unit/net/fetch.rs

@@ -2,16 +2,21 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use hyper::header::{Location};
+use hyper::header::{AccessControlAllowHeaders, AccessControlAllowOrigin};
+use hyper::header::{CacheControl, ContentLanguage, ContentType, Expires, LastModified};
+use hyper::header::{Headers, HttpDate, Location, SetCookie, Pragma};
 use hyper::server::{Handler, Listening, Server};
 use hyper::server::{Request as HyperRequest, Response as HyperResponse};
 use hyper::status::StatusCode;
 use hyper::uri::RequestUri;
 use net::fetch::methods::fetch;
-use net_traits::request::{Context, Referer, Request};
-use net_traits::response::{Response, ResponseBody, ResponseType};
+use net_traits::request::{Context, RedirectMode, Referer, Request, RequestMode};
+use net_traits::response::{CacheState, Response, ResponseBody, ResponseType};
+use std::cell::Cell;
 use std::rc::Rc;
-use url::Url;
+use time::{self, Duration};
+use unicase::UniCase;
+use url::{Origin, OpaqueOrigin, Url};
 
 // TODO write a struct that impls Handler for storing test values
 
@@ -76,6 +81,180 @@ fn test_fetch_response_body_matches_const_message() {
     };
 }
 
+#[test]
+fn test_fetch_response_is_basic_filtered() {
+
+    static MESSAGE: &'static [u8] = b"";
+    let handler = move |_: HyperRequest, mut response: HyperResponse| {
+
+        response.headers_mut().set(SetCookie(vec![]));
+        // this header is obsoleted, so hyper doesn't implement it, but it's still covered by the spec
+        response.headers_mut().set_raw("Set-Cookie2", vec![]);
+
+        response.send(MESSAGE).unwrap();
+    };
+    let (mut server, url) = make_server(handler);
+
+    let origin = url.origin();
+    let mut request = Request::new(url, Context::Fetch, origin, false);
+    request.referer = Referer::NoReferer;
+    let wrapped_request = Rc::new(request);
+
+    let fetch_response = fetch(wrapped_request, false);
+    let _ = server.close();
+
+    assert!(!Response::is_network_error(&fetch_response));
+    assert_eq!(fetch_response.response_type, ResponseType::Basic);
+
+    let headers = fetch_response.headers;
+    assert!(!headers.has::<SetCookie>());
+    assert!(headers.get_raw("Set-Cookie2").is_none());
+}
+
+#[test]
+fn test_fetch_response_is_cors_filtered() {
+
+    static MESSAGE: &'static [u8] = b"";
+    let handler = move |_: HyperRequest, mut response: HyperResponse| {
+
+        // this is mandatory for the Cors Check to pass
+        // TODO test using different url encodings with this value ie. punycode
+        response.headers_mut().set(AccessControlAllowOrigin::Any);
+
+        // these are the headers that should be kept after filtering
+        response.headers_mut().set(CacheControl(vec![]));
+        response.headers_mut().set(ContentLanguage(vec![]));
+        response.headers_mut().set(ContentType::html());
+        response.headers_mut().set(Expires(HttpDate(time::now() + Duration::days(1))));
+        response.headers_mut().set(LastModified(HttpDate(time::now())));
+        response.headers_mut().set(Pragma::NoCache);
+
+        // these headers should not be kept after filtering, even though they are given a pass
+        response.headers_mut().set(SetCookie(vec![]));
+        response.headers_mut().set_raw("Set-Cookie2", vec![]);
+        response.headers_mut().set(
+            AccessControlAllowHeaders(vec![
+                UniCase("set-cookie".to_owned()),
+                UniCase("set-cookie2".to_owned())
+            ])
+        );
+
+        response.send(MESSAGE).unwrap();
+    };
+    let (mut server, url) = make_server(handler);
+
+    // an origin mis-match will stop it from defaulting to a basic filtered response
+    let origin = Origin::UID(OpaqueOrigin::new());
+    let mut request = Request::new(url, Context::Fetch, origin, false);
+    request.referer = Referer::NoReferer;
+    request.mode = RequestMode::CORSMode;
+    let wrapped_request = Rc::new(request);
+
+    let fetch_response = fetch(wrapped_request, false);
+    let _ = server.close();
+
+    assert!(!Response::is_network_error(&fetch_response));
+    assert_eq!(fetch_response.response_type, ResponseType::CORS);
+
+    let headers = fetch_response.headers;
+    assert!(headers.has::<CacheControl>());
+    assert!(headers.has::<ContentLanguage>());
+    assert!(headers.has::<ContentType>());
+    assert!(headers.has::<Expires>());
+    assert!(headers.has::<LastModified>());
+    assert!(headers.has::<Pragma>());
+
+    assert!(!headers.has::<AccessControlAllowOrigin>());
+    assert!(!headers.has::<SetCookie>());
+    assert!(headers.get_raw("Set-Cookie2").is_none());
+}
+
+#[test]
+fn test_fetch_response_is_opaque_filtered() {
+
+    static MESSAGE: &'static [u8] = b"";
+    let handler = move |_: HyperRequest, response: HyperResponse| {
+        response.send(MESSAGE).unwrap();
+    };
+    let (mut server, url) = make_server(handler);
+
+    // an origin mis-match will fall through to an Opaque filtered response
+    let origin = Origin::UID(OpaqueOrigin::new());
+    let mut request = Request::new(url, Context::Fetch, origin, false);
+    request.referer = Referer::NoReferer;
+    let wrapped_request = Rc::new(request);
+
+    let fetch_response = fetch(wrapped_request, false);
+    let _ = server.close();
+
+    assert!(!Response::is_network_error(&fetch_response));
+    assert_eq!(fetch_response.response_type, ResponseType::Opaque);
+
+    assert!(fetch_response.url_list.into_inner().len() == 0);
+    assert!(fetch_response.url.is_none());
+    // this also asserts that status message is "the empty byte sequence"
+    assert!(fetch_response.status.is_none());
+    assert_eq!(fetch_response.headers, Headers::new());
+    match fetch_response.body.into_inner() {
+        ResponseBody::Empty => { },
+        _ => panic!()
+    }
+    match fetch_response.cache_state {
+        CacheState::None => { },
+        _ => panic!()
+    }
+}
+
+#[test]
+fn test_fetch_response_is_opaque_redirect_filtered() {
+
+    static MESSAGE: &'static [u8] = b"";
+    let handler = move |request: HyperRequest, mut response: HyperResponse| {
+
+        let redirects = match request.uri {
+            RequestUri::AbsolutePath(url) =>
+                url.split("/").collect::<String>().parse::<u32>().unwrap_or(0),
+            RequestUri::AbsoluteUri(url) =>
+                url.path().unwrap().last().unwrap().split("/").collect::<String>().parse::<u32>().unwrap_or(0),
+            _ => panic!()
+        };
+
+        if redirects == 1 {
+            response.send(MESSAGE).unwrap();
+        } else {
+            *response.status_mut() = StatusCode::Found;
+            let url = format!("{}", 1);
+            response.headers_mut().set(Location(url.to_owned()));
+        }
+    };
+
+    let (mut server, url) = make_server(handler);
+
+    let origin = url.origin();
+    let mut request = Request::new(url, Context::Fetch, origin, false);
+    request.referer = Referer::NoReferer;
+    request.redirect_mode = Cell::new(RedirectMode::Manual);
+    let wrapped_request = Rc::new(request);
+
+    let fetch_response = fetch(wrapped_request, false);
+    let _ = server.close();
+
+    assert!(!Response::is_network_error(&fetch_response));
+    assert_eq!(fetch_response.response_type, ResponseType::OpaqueRedirect);
+
+    // this also asserts that status message is "the empty byte sequence"
+    assert!(fetch_response.status.is_none());
+    assert_eq!(fetch_response.headers, Headers::new());
+    match fetch_response.body.into_inner() {
+        ResponseBody::Empty => { },
+        _ => panic!()
+    }
+    match fetch_response.cache_state {
+        CacheState::None => { },
+        _ => panic!()
+    }
+}
+
 fn test_fetch_redirect_count(message: &'static [u8], redirect_cap: u32) -> Response {
 
     let handler = move |request: HyperRequest, mut response: HyperResponse| {

tests/unit/net/lib.rs

@@ -14,6 +14,7 @@ extern crate msg;
 extern crate net;
 extern crate net_traits;
 extern crate time;
+extern crate unicase;
 extern crate url;
 extern crate util;