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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/extensions/event_router.h" | 5 #include "chrome/browser/extensions/event_router.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
11 #include "base/message_loop.h" | 11 #include "base/message_loop.h" |
12 #include "base/stl_util.h" | 12 #include "base/stl_util.h" |
13 #include "base/values.h" | 13 #include "base/values.h" |
14 #include "base/version.h" | 14 #include "base/version.h" |
15 #include "chrome/browser/browser_process.h" | 15 #include "chrome/browser/browser_process.h" |
| 16 #include "chrome/browser/extensions/activity_log.h" |
16 #include "chrome/browser/extensions/api/runtime/runtime_api.h" | 17 #include "chrome/browser/extensions/api/runtime/runtime_api.h" |
17 #include "chrome/browser/extensions/api/web_request/web_request_api.h" | 18 #include "chrome/browser/extensions/api/web_request/web_request_api.h" |
18 #include "chrome/browser/extensions/event_names.h" | 19 #include "chrome/browser/extensions/event_names.h" |
19 #include "chrome/browser/extensions/extension_host.h" | 20 #include "chrome/browser/extensions/extension_host.h" |
20 #include "chrome/browser/extensions/extension_prefs.h" | 21 #include "chrome/browser/extensions/extension_prefs.h" |
21 #include "chrome/browser/extensions/extension_process_manager.h" | 22 #include "chrome/browser/extensions/extension_process_manager.h" |
22 #include "chrome/browser/extensions/extension_service.h" | 23 #include "chrome/browser/extensions/extension_service.h" |
23 #include "chrome/browser/extensions/extension_system.h" | 24 #include "chrome/browser/extensions/extension_system.h" |
24 #include "chrome/browser/extensions/lazy_background_task_queue.h" | 25 #include "chrome/browser/extensions/lazy_background_task_queue.h" |
25 #include "chrome/browser/extensions/process_map.h" | 26 #include "chrome/browser/extensions/process_map.h" |
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79 bool operator<(const ListenerProcess& that) const { | 80 bool operator<(const ListenerProcess& that) const { |
80 if (process < that.process) | 81 if (process < that.process) |
81 return true; | 82 return true; |
82 if (process == that.process && extension_id < that.extension_id) | 83 if (process == that.process && extension_id < that.extension_id) |
83 return true; | 84 return true; |
84 return false; | 85 return false; |
85 } | 86 } |
86 }; | 87 }; |
87 | 88 |
88 // static | 89 // static |
| 90 void EventRouter::LogExtensionEventMessage(void* profile_id, |
| 91 const std::string& extension_id, |
| 92 const std::string& event_name, |
| 93 scoped_ptr<ListValue> event_args) { |
| 94 if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { |
| 95 BrowserThread::PostTask(BrowserThread::UI, |
| 96 FROM_HERE, |
| 97 base::Bind(&LogExtensionEventMessage, |
| 98 profile_id, |
| 99 extension_id, |
| 100 event_name, |
| 101 Passed(event_args.Pass()))); |
| 102 } else { |
| 103 Profile* profile = reinterpret_cast<Profile*>(profile_id); |
| 104 if (!g_browser_process->profile_manager()->IsValidProfile(profile)) |
| 105 return; |
| 106 |
| 107 // An ExtensionService might not be running during unit tests, or an |
| 108 // extension might have been unloaded by the time we get to logging it. In |
| 109 // those cases log a warning. |
| 110 ExtensionService* extension_service = |
| 111 ExtensionSystem::Get(profile)->extension_service(); |
| 112 if (!extension_service) { |
| 113 LOG(WARNING) << "ExtensionService does not seem to be available " |
| 114 << "(this may be normal for unit tests)"; |
| 115 } else { |
| 116 const Extension* extension = |
| 117 extension_service->extensions()->GetByID(extension_id); |
| 118 if (!extension) { |
| 119 LOG(WARNING) << "Extension " << extension_id << " not found!"; |
| 120 } else { |
| 121 extensions::ActivityLog::GetInstance(profile)->LogEventAction( |
| 122 extension, event_name, event_args.get(), ""); |
| 123 } |
| 124 } |
| 125 } |
| 126 } |
| 127 |
| 128 // static |
89 void EventRouter::DispatchExtensionMessage(IPC::Sender* ipc_sender, | 129 void EventRouter::DispatchExtensionMessage(IPC::Sender* ipc_sender, |
| 130 void* profile_id, |
90 const std::string& extension_id, | 131 const std::string& extension_id, |
91 const std::string& event_name, | 132 const std::string& event_name, |
92 ListValue* event_args, | 133 ListValue* event_args, |
93 const GURL& event_url, | 134 const GURL& event_url, |
94 UserGestureState user_gesture, | 135 UserGestureState user_gesture, |
95 const EventFilteringInfo& info) { | 136 const EventFilteringInfo& info) { |
| 137 if (ActivityLog::IsLogEnabled()) { |
| 138 LogExtensionEventMessage(profile_id, extension_id, event_name, |
| 139 scoped_ptr<ListValue>(event_args->DeepCopy())); |
| 140 } |
| 141 |
96 ListValue args; | 142 ListValue args; |
97 args.Set(0, Value::CreateStringValue(event_name)); | 143 args.Set(0, Value::CreateStringValue(event_name)); |
98 args.Set(1, event_args); | 144 args.Set(1, event_args); |
99 args.Set(2, info.AsValue().release()); | 145 args.Set(2, info.AsValue().release()); |
100 ipc_sender->Send(new ExtensionMsg_MessageInvoke(MSG_ROUTING_CONTROL, | 146 ipc_sender->Send(new ExtensionMsg_MessageInvoke(MSG_ROUTING_CONTROL, |
101 extension_id, kDispatchEvent, args, event_url, | 147 extension_id, kDispatchEvent, args, event_url, |
102 user_gesture == USER_GESTURE_ENABLED)); | 148 user_gesture == USER_GESTURE_ENABLED)); |
103 | 149 |
104 // DispatchExtensionMessage does _not_ take ownership of event_args, so we | 150 // DispatchExtensionMessage does _not_ take ownership of event_args, so we |
105 // must ensure that the destruction of args does not attempt to free it. | 151 // must ensure that the destruction of args does not attempt to free it. |
106 Value* removed_event_args = NULL; | 152 Value* removed_event_args = NULL; |
107 args.Remove(1, &removed_event_args); | 153 args.Remove(1, &removed_event_args); |
108 } | 154 } |
109 | 155 |
110 // static | 156 // static |
111 void EventRouter::DispatchEvent(IPC::Sender* ipc_sender, | 157 void EventRouter::DispatchEvent(IPC::Sender* ipc_sender, |
| 158 void* profile_id, |
112 const std::string& extension_id, | 159 const std::string& extension_id, |
113 const std::string& event_name, | 160 const std::string& event_name, |
114 scoped_ptr<ListValue> event_args, | 161 scoped_ptr<ListValue> event_args, |
115 const GURL& event_url, | 162 const GURL& event_url, |
116 UserGestureState user_gesture, | 163 UserGestureState user_gesture, |
117 const EventFilteringInfo& info) { | 164 const EventFilteringInfo& info) { |
118 DispatchExtensionMessage(ipc_sender, extension_id, event_name, | 165 DispatchExtensionMessage(ipc_sender, profile_id, extension_id, event_name, |
119 event_args.get(), event_url, user_gesture, info); | 166 event_args.get(), event_url, user_gesture, info); |
120 } | 167 } |
121 | 168 |
122 EventRouter::EventRouter(Profile* profile, ExtensionPrefs* extension_prefs) | 169 EventRouter::EventRouter(Profile* profile, ExtensionPrefs* extension_prefs) |
123 : profile_(profile), | 170 : profile_(profile), |
124 listeners_(ALLOW_THIS_IN_INITIALIZER_LIST(this)), | 171 listeners_(ALLOW_THIS_IN_INITIALIZER_LIST(this)), |
| 172 activity_log_(ActivityLog::GetInstance(profile)), |
125 dispatch_chrome_updated_event_(false) { | 173 dispatch_chrome_updated_event_(false) { |
126 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_TERMINATED, | 174 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_TERMINATED, |
127 content::NotificationService::AllSources()); | 175 content::NotificationService::AllSources()); |
128 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_CLOSED, | 176 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_CLOSED, |
129 content::NotificationService::AllSources()); | 177 content::NotificationService::AllSources()); |
130 registrar_.Add(this, chrome::NOTIFICATION_EXTENSIONS_READY, | 178 registrar_.Add(this, chrome::NOTIFICATION_EXTENSIONS_READY, |
131 content::Source<Profile>(profile_)); | 179 content::Source<Profile>(profile_)); |
132 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_ENABLED, | 180 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_ENABLED, |
133 content::Source<Profile>(profile_)); | 181 content::Source<Profile>(profile_)); |
134 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED, | 182 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED, |
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183 | 231 |
184 void EventRouter::OnListenerAdded(const EventListener* listener) { | 232 void EventRouter::OnListenerAdded(const EventListener* listener) { |
185 const std::string& event_name = listener->event_name; | 233 const std::string& event_name = listener->event_name; |
186 const EventListenerInfo details(event_name, listener->extension_id); | 234 const EventListenerInfo details(event_name, listener->extension_id); |
187 ObserverMap::iterator observer = observers_.find(event_name); | 235 ObserverMap::iterator observer = observers_.find(event_name); |
188 if (observer != observers_.end()) | 236 if (observer != observers_.end()) |
189 observer->second->OnListenerAdded(details); | 237 observer->second->OnListenerAdded(details); |
190 | 238 |
191 if (SystemInfoEventRouter::IsSystemInfoEvent(event_name)) | 239 if (SystemInfoEventRouter::IsSystemInfoEvent(event_name)) |
192 SystemInfoEventRouter::GetInstance()->AddEventListener(event_name); | 240 SystemInfoEventRouter::GetInstance()->AddEventListener(event_name); |
| 241 |
| 242 const Extension* extension = extensions::ExtensionSystem::Get(profile_)-> |
| 243 extension_service()->GetExtensionById(listener->extension_id, |
| 244 ExtensionService::INCLUDE_ENABLED); |
| 245 if (extension) { |
| 246 scoped_ptr<ListValue> args(new ListValue()); |
| 247 if (listener->filter) |
| 248 args->Append(listener->filter->DeepCopy()); |
| 249 activity_log_->LogAPIAction(extension, |
| 250 event_name + ".addListener", |
| 251 args.get(), |
| 252 ""); |
| 253 } |
193 } | 254 } |
194 | 255 |
195 void EventRouter::OnListenerRemoved(const EventListener* listener) { | 256 void EventRouter::OnListenerRemoved(const EventListener* listener) { |
196 const std::string& event_name = listener->event_name; | 257 const std::string& event_name = listener->event_name; |
197 const EventListenerInfo details(event_name, listener->extension_id); | 258 const EventListenerInfo details(event_name, listener->extension_id); |
198 ObserverMap::iterator observer = observers_.find(event_name); | 259 ObserverMap::iterator observer = observers_.find(event_name); |
199 if (observer != observers_.end()) | 260 if (observer != observers_.end()) |
200 observer->second->OnListenerRemoved(details); | 261 observer->second->OnListenerRemoved(details); |
201 | 262 |
202 BrowserThread::PostTask( | 263 BrowserThread::PostTask( |
203 BrowserThread::IO, FROM_HERE, | 264 BrowserThread::IO, FROM_HERE, |
204 base::Bind(&NotifyEventListenerRemovedOnIOThread, | 265 base::Bind(&NotifyEventListenerRemovedOnIOThread, |
205 profile_, listener->extension_id, event_name)); | 266 profile_, listener->extension_id, event_name)); |
206 | 267 |
207 if (SystemInfoEventRouter::IsSystemInfoEvent(event_name)) | 268 if (SystemInfoEventRouter::IsSystemInfoEvent(event_name)) |
208 SystemInfoEventRouter::GetInstance()->RemoveEventListener(event_name); | 269 SystemInfoEventRouter::GetInstance()->RemoveEventListener(event_name); |
| 270 |
| 271 const Extension* extension = extensions::ExtensionSystem::Get(profile_)-> |
| 272 extension_service()->GetExtensionById(listener->extension_id, |
| 273 ExtensionService::INCLUDE_ENABLED); |
| 274 if (extension) { |
| 275 scoped_ptr<ListValue> args(new ListValue()); |
| 276 activity_log_->LogAPIAction(extension, |
| 277 event_name + ".removeListener", |
| 278 args.get(), |
| 279 ""); |
| 280 } |
209 } | 281 } |
210 | 282 |
211 void EventRouter::AddLazyEventListener(const std::string& event_name, | 283 void EventRouter::AddLazyEventListener(const std::string& event_name, |
212 const std::string& extension_id) { | 284 const std::string& extension_id) { |
213 scoped_ptr<EventListener> listener(new EventListener( | 285 scoped_ptr<EventListener> listener(new EventListener( |
214 event_name, extension_id, NULL, scoped_ptr<DictionaryValue>())); | 286 event_name, extension_id, NULL, scoped_ptr<DictionaryValue>())); |
215 bool is_new = listeners_.AddListener(listener.Pass()); | 287 bool is_new = listeners_.AddListener(listener.Pass()); |
216 | 288 |
217 if (is_new) { | 289 if (is_new) { |
218 ExtensionPrefs* prefs = extensions::ExtensionSystem::Get(profile_)-> | 290 ExtensionPrefs* prefs = extensions::ExtensionSystem::Get(profile_)-> |
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419 } | 491 } |
420 | 492 |
421 if (!CanDispatchEventToProfile(listener_profile, extension, event)) | 493 if (!CanDispatchEventToProfile(listener_profile, extension, event)) |
422 return; | 494 return; |
423 | 495 |
424 if (!event->will_dispatch_callback.is_null()) { | 496 if (!event->will_dispatch_callback.is_null()) { |
425 event->will_dispatch_callback.Run(listener_profile, extension, | 497 event->will_dispatch_callback.Run(listener_profile, extension, |
426 event->event_args.get()); | 498 event->event_args.get()); |
427 } | 499 } |
428 | 500 |
429 DispatchExtensionMessage(process, extension_id, | 501 DispatchExtensionMessage(process, listener_profile, extension_id, |
430 event->event_name, event->event_args.get(), | 502 event->event_name, event->event_args.get(), |
431 event->event_url, event->user_gesture, | 503 event->event_url, event->user_gesture, |
432 event->filter_info); | 504 event->filter_info); |
433 IncrementInFlightEvents(listener_profile, extension); | 505 IncrementInFlightEvents(listener_profile, extension); |
434 } | 506 } |
435 | 507 |
436 bool EventRouter::CanDispatchEventToProfile(Profile* profile, | 508 bool EventRouter::CanDispatchEventToProfile(Profile* profile, |
437 const Extension* extension, | 509 const Extension* extension, |
438 const linked_ptr<Event>& event) { | 510 const linked_ptr<Event>& event) { |
439 // Is this event from a different profile than the renderer (ie, an | 511 // Is this event from a different profile than the renderer (ie, an |
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648 copy->will_dispatch_callback = will_dispatch_callback; | 720 copy->will_dispatch_callback = will_dispatch_callback; |
649 return copy; | 721 return copy; |
650 } | 722 } |
651 | 723 |
652 EventListenerInfo::EventListenerInfo(const std::string& event_name, | 724 EventListenerInfo::EventListenerInfo(const std::string& event_name, |
653 const std::string& extension_id) | 725 const std::string& extension_id) |
654 : event_name(event_name), | 726 : event_name(event_name), |
655 extension_id(extension_id) {} | 727 extension_id(extension_id) {} |
656 | 728 |
657 } // namespace extensions | 729 } // namespace extensions |
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