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
|
// 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/extensions/activity_log.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/string_util.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/extensions/extension.h"
#include "content/public/browser/web_contents.h"
#include "googleurl/src/gurl.h"
namespace extensions {
ActivityLog::ActivityLog() {
log_activity_to_stdout_ = CommandLine::ForCurrentProcess()->
HasSwitch(switches::kEnableExtensionActivityLogging);
}
ActivityLog::~ActivityLog() {
}
// static
ActivityLog* ActivityLog::GetInstance() {
return Singleton<ActivityLog>::get();
}
void ActivityLog::AddObserver(const Extension* extension,
ActivityLog::Observer* observer) {
base::AutoLock scoped_lock(lock_);
if (observers_.count(extension) == 0) {
observers_[extension] = new ObserverListThreadSafe<Observer>;
}
observers_[extension]->AddObserver(observer);
}
void ActivityLog::RemoveObserver(const Extension* extension,
ActivityLog::Observer* observer) {
base::AutoLock scoped_lock(lock_);
if (observers_.count(extension) == 1) {
observers_[extension]->RemoveObserver(observer);
}
}
// Extension*
bool ActivityLog::HasObservers(const Extension* extension) const {
base::AutoLock scoped_lock(lock_);
// We also return true if extension activity logging is enabled since in that
// case this class is observing all extensions.
return observers_.count(extension) > 0 || log_activity_to_stdout_;
}
void ActivityLog::Log(const Extension* extension,
Activity activity,
const std::string& message) const {
std::vector<std::string> messages(1, message);
Log(extension, activity, messages);
}
void ActivityLog::Log(const Extension* extension,
Activity activity,
const std::vector<std::string>& messages) const {
base::AutoLock scoped_lock(lock_);
ObserverMap::const_iterator iter = observers_.find(extension);
if (iter != observers_.end()) {
iter->second->Notify(&Observer::OnExtensionActivity, extension, activity,
messages);
}
if (log_activity_to_stdout_) {
LOG(INFO) << extension->id() << ":" << ActivityToString(activity) << ":" <<
JoinString(messages, ' ');
}
}
void ActivityLog::OnContentScriptsExecuting(
const content::WebContents* web_contents,
const ExecutingScriptsMap& extension_ids,
int32 on_page_id,
const GURL& on_url) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
const ExtensionService* extension_service =
ExtensionSystem::Get(profile)->extension_service();
const ExtensionSet* extensions = extension_service->extensions();
for (ExecutingScriptsMap::const_iterator it = extension_ids.begin();
it != extension_ids.end(); ++it) {
const Extension* extension = extensions->GetByID(it->first);
if (!extension || !HasObservers(extension))
continue;
for (std::set<std::string>::const_iterator it2 = it->second.begin();
it2 != it->second.end(); ++it2) {
std::vector<std::string> messages;
messages.push_back(on_url.spec());
messages.push_back(*it2);
Log(extension, ActivityLog::ACTIVITY_CONTENT_SCRIPT, messages);
}
}
}
// static
const char* ActivityLog::ActivityToString(Activity activity) {
switch (activity) {
case ActivityLog::ACTIVITY_EXTENSION_API_CALL:
return "api_call";
case ActivityLog::ACTIVITY_EXTENSION_API_BLOCK:
return "api_block";
case ActivityLog::ACTIVITY_CONTENT_SCRIPT:
return "content_script";
default:
NOTREACHED();
return "";
}
}
} // namespace extensions
|
