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
143
144
145
146
|
// Copyright (c) 2011 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 "chrome/browser/net/chrome_network_delegate.h"
#include "base/logging.h"
#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
#include "chrome/browser/extensions/extension_event_router_forwarder.h"
#include "chrome/browser/extensions/extension_info_map.h"
#include "chrome/browser/extensions/extension_proxy_api.h"
#include "chrome/browser/extensions/extension_webrequest_api.h"
#include "chrome/browser/prefs/pref_member.h"
#include "chrome/browser/task_manager/task_manager.h"
#include "chrome/common/pref_names.h"
#include "content/browser/browser_thread.h"
#include "net/base/host_port_pair.h"
#include "net/base/net_errors.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_response_headers.h"
#include "net/url_request/url_request.h"
namespace {
// If the |request| failed due to problems with a proxy, forward the error to
// the proxy extension API.
void ForwardProxyErrors(net::URLRequest* request,
ExtensionEventRouterForwarder* event_router,
void* profile) {
if (request->status().status() == net::URLRequestStatus::FAILED) {
switch (request->status().os_error()) {
case net::ERR_PROXY_AUTH_UNSUPPORTED:
case net::ERR_PROXY_CONNECTION_FAILED:
case net::ERR_TUNNEL_CONNECTION_FAILED:
ExtensionProxyEventRouter::GetInstance()->OnProxyError(
event_router, profile, request->status().os_error());
}
}
}
} // namespace
ChromeNetworkDelegate::ChromeNetworkDelegate(
ExtensionEventRouterForwarder* event_router,
ExtensionInfoMap* extension_info_map,
void* profile,
BooleanPrefMember* enable_referrers)
: event_router_(event_router),
profile_(profile),
extension_info_map_(extension_info_map),
enable_referrers_(enable_referrers) {
DCHECK(event_router);
DCHECK(enable_referrers);
}
ChromeNetworkDelegate::~ChromeNetworkDelegate() {}
// static
void ChromeNetworkDelegate::InitializeReferrersEnabled(
BooleanPrefMember* enable_referrers,
PrefService* pref_service) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
enable_referrers->Init(prefs::kEnableReferrers, pref_service, NULL);
enable_referrers->MoveToThread(BrowserThread::IO);
}
int ChromeNetworkDelegate::OnBeforeURLRequest(
net::URLRequest* request,
net::CompletionCallback* callback,
GURL* new_url) {
if (!enable_referrers_->GetValue())
request->set_referrer(std::string());
return ExtensionWebRequestEventRouter::GetInstance()->OnBeforeRequest(
profile_, extension_info_map_.get(), request, callback, new_url);
}
int ChromeNetworkDelegate::OnBeforeSendHeaders(
net::URLRequest* request,
net::CompletionCallback* callback,
net::HttpRequestHeaders* headers) {
return ExtensionWebRequestEventRouter::GetInstance()->OnBeforeSendHeaders(
profile_, extension_info_map_.get(), request, callback, headers);
}
void ChromeNetworkDelegate::OnSendHeaders(
net::URLRequest* request,
const net::HttpRequestHeaders& headers) {
ExtensionWebRequestEventRouter::GetInstance()->OnSendHeaders(
profile_, extension_info_map_.get(), request, headers);
}
void ChromeNetworkDelegate::OnBeforeRedirect(net::URLRequest* request,
const GURL& new_location) {
ExtensionWebRequestEventRouter::GetInstance()->OnBeforeRedirect(
profile_, extension_info_map_.get(), request, new_location);
}
void ChromeNetworkDelegate::OnResponseStarted(net::URLRequest* request) {
ExtensionWebRequestEventRouter::GetInstance()->OnResponseStarted(
profile_, extension_info_map_.get(), request);
ForwardProxyErrors(request, event_router_.get(), profile_);
}
void ChromeNetworkDelegate::OnRawBytesRead(const net::URLRequest& request,
int bytes_read) {
TaskManager::GetInstance()->model()->NotifyBytesRead(request, bytes_read);
}
void ChromeNetworkDelegate::OnCompleted(net::URLRequest* request) {
if (request->status().status() == net::URLRequestStatus::SUCCESS ||
request->status().status() == net::URLRequestStatus::HANDLED_EXTERNALLY) {
bool is_redirect = request->response_headers() &&
net::HttpResponseHeaders::IsRedirectResponseCode(
request->response_headers()->response_code());
if (!is_redirect) {
ExtensionWebRequestEventRouter::GetInstance()->OnCompleted(
profile_, extension_info_map_.get(), request);
}
} else if (request->status().status() == net::URLRequestStatus::FAILED ||
request->status().status() == net::URLRequestStatus::CANCELED) {
ExtensionWebRequestEventRouter::GetInstance()->OnErrorOccurred(
profile_, extension_info_map_.get(), request);
} else {
NOTREACHED();
}
ForwardProxyErrors(request, event_router_.get(), profile_);
}
void ChromeNetworkDelegate::OnURLRequestDestroyed(net::URLRequest* request) {
ExtensionWebRequestEventRouter::GetInstance()->OnURLRequestDestroyed(
profile_, request);
}
void ChromeNetworkDelegate::OnPACScriptError(int line_number,
const string16& error) {
ExtensionProxyEventRouter::GetInstance()->OnPACScriptError(
event_router_.get(), profile_, line_number, error);
}
void ChromeNetworkDelegate::OnAuthRequired(
net::URLRequest* request,
const net::AuthChallengeInfo& auth_info) {
ExtensionWebRequestEventRouter::GetInstance()->OnAuthRequired(
profile_, extension_info_map_.get(), request, auth_info);
}
|
