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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
// 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 <queue>
#include "base/file_util.h"
#include "base/path_service.h"
#include "chrome/browser/extensions/extension_event_router_forwarder.h"
#include "chrome/browser/extensions/extension_webrequest_api.h"
#include "chrome/browser/extensions/extension_webrequest_api_constants.h"
#include "chrome/browser/net/chrome_network_delegate.h"
#include "chrome/browser/prefs/pref_member.h"
#include "chrome/common/extensions/extension_messages.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/testing_pref_service.h"
#include "chrome/test/testing_profile.h"
#include "net/base/net_util.h"
#include "net/url_request/url_request_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace keys = extension_webrequest_api_constants;
namespace {
static void EventHandledOnIOThread(
void* profile,
const std::string& extension_id,
const std::string& event_name,
const std::string& sub_event_name,
uint64 request_id,
ExtensionWebRequestEventRouter::EventResponse* response) {
ExtensionWebRequestEventRouter::GetInstance()->OnEventHandled(
profile, extension_id, event_name, sub_event_name, request_id,
response);
}
} // namespace
// A mock event router that responds to events with a pre-arranged queue of
// Tasks.
class TestIPCSender : public IPC::Message::Sender {
public:
// Adds a Task to the queue. We will fire these in order as events are
// dispatched.
void PushTask(Task* task) {
task_queue_.push(task);
}
size_t GetNumTasks() { return task_queue_.size(); }
private:
// IPC::Message::Sender
virtual bool Send(IPC::Message* message) {
EXPECT_EQ(ExtensionMsg_MessageInvoke::ID, message->type());
EXPECT_FALSE(task_queue_.empty());
MessageLoop::current()->PostTask(FROM_HERE, task_queue_.front());
task_queue_.pop();
delete message;
return true;
}
std::queue<Task*> task_queue_;
};
class ExtensionWebRequestTest : public testing::Test {
protected:
virtual void SetUp() {
event_router_ = new ExtensionEventRouterForwarder();
enable_referrers_.Init(
prefs::kEnableReferrers, profile_.GetTestingPrefService(), NULL);
network_delegate_.reset(new ChromeNetworkDelegate(
event_router_.get(), NULL, &profile_, &enable_referrers_));
context_ = new TestURLRequestContext();
context_->set_network_delegate(network_delegate_.get());
}
MessageLoopForIO io_loop_;
TestingProfile profile_;
TestDelegate delegate_;
BooleanPrefMember enable_referrers_;
TestIPCSender ipc_sender_;
scoped_refptr<ExtensionEventRouterForwarder> event_router_;
scoped_refptr<ExtensionInfoMap> extension_info_map_;
scoped_ptr<ChromeNetworkDelegate> network_delegate_;
scoped_refptr<TestURLRequestContext> context_;
};
// Tests that we handle disagreements among extensions about responses to
// blocking events by choosing the response from the most-recently-installed
// extension.
TEST_F(ExtensionWebRequestTest, BlockingEventPrecedence) {
std::string extension1_id("1");
std::string extension2_id("2");
ExtensionWebRequestEventRouter::RequestFilter filter;
const std::string kEventName(keys::kOnBeforeRequest);
base::WeakPtrFactory<TestIPCSender> ipc_sender_factory(&ipc_sender_);
ExtensionWebRequestEventRouter::GetInstance()->AddEventListener(
&profile_, extension1_id, kEventName, kEventName + "/1", filter,
ExtensionWebRequestEventRouter::ExtraInfoSpec::BLOCKING,
ipc_sender_factory.GetWeakPtr());
ExtensionWebRequestEventRouter::GetInstance()->AddEventListener(
&profile_, extension2_id, kEventName, kEventName + "/2", filter,
ExtensionWebRequestEventRouter::ExtraInfoSpec::BLOCKING,
ipc_sender_factory.GetWeakPtr());
net::URLRequest request(GURL("about:blank"), &delegate_);
request.set_context(context_);
{
// onBeforeRequest will be dispatched twice initially. The second response -
// the redirect - should win, since it has a later |install_time|. The
// redirect will dispatch another pair of onBeforeRequest. There, the first
// response should win (later |install_time|).
GURL redirect_url("about:redirected");
ExtensionWebRequestEventRouter::EventResponse* response = NULL;
// Extension1 response. Arrives first, but ignored due to install_time.
response = new ExtensionWebRequestEventRouter::EventResponse(
extension1_id, base::Time::FromDoubleT(1));
response->cancel = true;
ipc_sender_.PushTask(
NewRunnableFunction(&EventHandledOnIOThread,
&profile_, extension1_id, kEventName, kEventName + "/1",
request.identifier(), response));
// Extension2 response. Arrives second, and chosen because of install_time.
response = new ExtensionWebRequestEventRouter::EventResponse(
extension2_id, base::Time::FromDoubleT(2));
response->new_url = redirect_url;
ipc_sender_.PushTask(
NewRunnableFunction(&EventHandledOnIOThread,
&profile_, extension2_id, kEventName, kEventName + "/2",
request.identifier(), response));
// Extension2 response to the redirected URL. Arrives first, and chosen.
response = new ExtensionWebRequestEventRouter::EventResponse(
extension2_id, base::Time::FromDoubleT(2));
ipc_sender_.PushTask(
NewRunnableFunction(&EventHandledOnIOThread,
&profile_, extension2_id, kEventName, kEventName + "/2",
request.identifier(), response));
// Extension1 response to the redirected URL. Arrives second, and ignored.
response = new ExtensionWebRequestEventRouter::EventResponse(
extension1_id, base::Time::FromDoubleT(1));
response->cancel = true;
ipc_sender_.PushTask(
NewRunnableFunction(&EventHandledOnIOThread,
&profile_, extension1_id, kEventName, kEventName + "/1",
request.identifier(), response));
request.Start();
MessageLoop::current()->Run();
EXPECT_TRUE(!request.is_pending());
EXPECT_EQ(net::URLRequestStatus::SUCCESS, request.status().status());
EXPECT_EQ(0, request.status().os_error());
EXPECT_EQ(redirect_url, request.url());
EXPECT_EQ(2U, request.url_chain().size());
EXPECT_EQ(0U, ipc_sender_.GetNumTasks());
}
}
|
