1 // Copyright 2019 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chromecast/common/cast_url_loader_throttle.h"
6
7 #include "base/bind.h"
8 #include "base/callback.h"
9 #include "base/check.h"
10 #include "base/notreached.h"
11 #include "net/base/net_errors.h"
12 #include "services/network/public/cpp/resource_request.h"
13
14 namespace chromecast {
15
CastURLLoaderThrottle(Delegate * delegate,const std::string & session_id)16 CastURLLoaderThrottle::CastURLLoaderThrottle(
17 Delegate* delegate,
18 const std::string& session_id)
19 : settings_delegate_(delegate),
20 session_id_(session_id),
21 weak_factory_(this) {
22 DCHECK(settings_delegate_);
23 weak_this_ = weak_factory_.GetWeakPtr();
24 }
25
26 CastURLLoaderThrottle::~CastURLLoaderThrottle() = default;
27
DetachFromCurrentSequence()28 void CastURLLoaderThrottle::DetachFromCurrentSequence() {}
29
WillStartRequest(network::ResourceRequest * request,bool * defer)30 void CastURLLoaderThrottle::WillStartRequest(
31 network::ResourceRequest* request,
32 bool* defer) {
33 int error = settings_delegate_->WillStartResourceRequest(
34 request, session_id_,
35 base::BindOnce(&CastURLLoaderThrottle::ResumeRequest, weak_this_));
36 if (error == net::ERR_IO_PENDING) {
37 deferred_ = true;
38 *defer = true;
39 }
40 }
41
makes_unsafe_redirect()42 bool CastURLLoaderThrottle::makes_unsafe_redirect() {
43 // Yes, this makes cross-scheme redirects.
44 return true;
45 }
46
ResumeRequest(int error,net::HttpRequestHeaders headers,net::HttpRequestHeaders cors_exempt_headers)47 void CastURLLoaderThrottle::ResumeRequest(
48 int error,
49 net::HttpRequestHeaders headers,
50 net::HttpRequestHeaders cors_exempt_headers) {
51 DCHECK(deferred_);
52 if (error != net::OK) {
53 NOTREACHED() << "Trying to resume a request with unexpected error: "
54 << error;
55 return;
56 }
57 deferred_ = false;
58 delegate_->UpdateDeferredRequestHeaders(headers, cors_exempt_headers);
59 delegate_->Resume();
60 }
61
62 } // namespace chromecast
63