1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/media/webrtc_identity_service.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "content/public/renderer/render_thread.h"
#include "net/base/net_errors.h"
namespace content {
WebRTCIdentityService::RequestInfo::RequestInfo(
const WebRTCIdentityMsg_RequestIdentity_Params& params,
const SuccessCallback& success_callback,
const FailureCallback& failure_callback)
: params(params),
success_callback(success_callback),
failure_callback(failure_callback) {}
WebRTCIdentityService::RequestInfo::~RequestInfo() {}
WebRTCIdentityService::WebRTCIdentityService() : next_request_id_(1) {
// RenderThread::Get() could be NULL in unit tests.
if (RenderThread::Get())
RenderThread::Get()->AddObserver(this);
}
WebRTCIdentityService::~WebRTCIdentityService() {
// RenderThread::Get() could be NULL in unit tests.
if (RenderThread::Get()) {
RenderThread::Get()->RemoveObserver(this);
if (!pending_requests_.empty()) {
RenderThread::Get()->Send(new WebRTCIdentityMsg_CancelRequest());
}
}
}
int WebRTCIdentityService::RequestIdentity(
const GURL& url,
const GURL& first_party_for_cookies,
const std::string& identity_name,
const std::string& common_name,
const SuccessCallback& success_callback,
const FailureCallback& failure_callback) {
int request_id = next_request_id_++;
WebRTCIdentityMsg_RequestIdentity_Params params;
params.request_id = request_id;
params.url = url;
params.first_party_for_cookies = first_party_for_cookies;
params.identity_name = identity_name;
params.common_name = common_name;
RequestInfo request_info(params, success_callback, failure_callback);
pending_requests_.push_back(request_info);
if (pending_requests_.size() == 1)
SendRequest(request_info);
return request_id;
}
void WebRTCIdentityService::CancelRequest(int request_id) {
std::deque<RequestInfo>::iterator it;
for (it = pending_requests_.begin(); it != pending_requests_.end(); ++it) {
if (it->params.request_id != request_id)
continue;
if (it != pending_requests_.begin()) {
pending_requests_.erase(it);
} else {
Send(new WebRTCIdentityMsg_CancelRequest());
OnOutstandingRequestReturned();
}
break;
}
}
bool WebRTCIdentityService::Send(IPC::Message* message) {
// Unit tests should override this method to avoid null-ptr-deref.
return RenderThread::Get()->Send(message);
}
bool WebRTCIdentityService::OnControlMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(WebRTCIdentityService, message)
IPC_MESSAGE_HANDLER(WebRTCIdentityHostMsg_IdentityReady, OnIdentityReady)
IPC_MESSAGE_HANDLER(WebRTCIdentityHostMsg_RequestFailed, OnRequestFailed)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void WebRTCIdentityService::OnIdentityReady(int request_id,
const std::string& certificate,
const std::string& private_key) {
// The browser process may have sent the response before it receives the
// message to cancel the request. So we need to check if the returned response
// matches the request on the top of the queue.
if (pending_requests_.empty() ||
pending_requests_.front().params.request_id != request_id)
return;
pending_requests_.front().success_callback.Run(certificate, private_key);
OnOutstandingRequestReturned();
}
void WebRTCIdentityService::OnRequestFailed(int request_id, int error) {
// The browser process may have sent the response before it receives the
// message to cancel the request. So we need to check if the returned response
// matches the request on the top of the queue.
if (pending_requests_.empty() ||
pending_requests_.front().params.request_id != request_id)
return;
pending_requests_.front().failure_callback.Run(error);
OnOutstandingRequestReturned();
}
void WebRTCIdentityService::SendRequest(const RequestInfo& request_info) {
if (!Send(new WebRTCIdentityMsg_RequestIdentity(request_info.params))) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::Bind(&WebRTCIdentityService::OnRequestFailed,
base::Unretained(this), request_info.params.request_id,
net::ERR_UNEXPECTED));
}
}
void WebRTCIdentityService::OnOutstandingRequestReturned() {
pending_requests_.pop_front();
if (!pending_requests_.empty())
SendRequest(pending_requests_.front());
}
} // namespace content
|
