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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/extensions/api/runtime/runtime_api.h" | |
6 | |
7 #include <utility> | |
8 | |
9 #include "base/lazy_instance.h" | |
10 #include "base/logging.h" | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "base/metrics/histogram.h" | |
13 #include "base/values.h" | |
14 #include "chrome/browser/browser_process.h" | |
15 #include "chrome/browser/chrome_notification_types.h" | |
16 #include "chrome/browser/extensions/extension_service.h" | |
17 #include "chrome/browser/extensions/extension_warning_service.h" | |
18 #include "chrome/browser/extensions/updater/extension_updater.h" | |
19 #include "chrome/browser/omaha_query_params/omaha_query_params.h" | |
20 #include "chrome/browser/profiles/profile.h" | |
21 #include "chrome/browser/profiles/profile_manager.h" | |
22 #include "chrome/browser/ui/browser_finder.h" | |
23 #include "chrome/browser/ui/browser_navigator.h" | |
24 #include "chrome/browser/ui/browser_window.h" | |
25 #include "chrome/common/extensions/api/runtime.h" | |
26 #include "content/public/browser/child_process_security_policy.h" | |
27 #include "content/public/browser/notification_service.h" | |
28 #include "content/public/browser/render_process_host.h" | |
29 #include "content/public/browser/render_view_host.h" | |
30 #include "extensions/browser/event_router.h" | |
31 #include "extensions/browser/extension_host.h" | |
32 #include "extensions/browser/extension_registry.h" | |
33 #include "extensions/browser/extension_system.h" | |
34 #include "extensions/browser/extensions_browser_client.h" | |
35 #include "extensions/browser/lazy_background_task_queue.h" | |
36 #include "extensions/browser/process_manager.h" | |
37 #include "extensions/common/error_utils.h" | |
38 #include "extensions/common/extension.h" | |
39 #include "extensions/common/manifest_handlers/background_info.h" | |
40 #include "url/gurl.h" | |
41 #include "webkit/browser/fileapi/isolated_context.h" | |
42 | |
43 #if defined(OS_CHROMEOS) | |
44 #include "chrome/browser/chromeos/login/user_manager.h" | |
45 #include "chromeos/dbus/dbus_thread_manager.h" | |
46 #include "chromeos/dbus/power_manager_client.h" | |
47 #endif | |
48 | |
49 using content::BrowserContext; | |
50 | |
51 namespace GetPlatformInfo = extensions::api::runtime::GetPlatformInfo; | |
52 | |
53 namespace extensions { | |
54 | |
55 namespace runtime = api::runtime; | |
56 | |
57 namespace { | |
58 | |
59 const char kNoBackgroundPageError[] = "You do not have a background page."; | |
60 const char kPageLoadError[] = "Background page failed to load."; | |
61 const char kInstallReason[] = "reason"; | |
62 const char kInstallReasonChromeUpdate[] = "chrome_update"; | |
63 const char kInstallReasonUpdate[] = "update"; | |
64 const char kInstallReasonInstall[] = "install"; | |
65 const char kInstallPreviousVersion[] = "previousVersion"; | |
66 const char kInvalidUrlError[] = "Invalid URL."; | |
67 const char kUpdatesDisabledError[] = "Autoupdate is not enabled."; | |
68 const char kUpdateFound[] = "update_available"; | |
69 const char kUpdateNotFound[] = "no_update"; | |
70 const char kUpdateThrottled[] = "throttled"; | |
71 | |
72 // A preference key storing the url loaded when an extension is uninstalled. | |
73 const char kUninstallUrl[] = "uninstall_url"; | |
74 | |
75 // The name of the directory to be returned by getPackageDirectoryEntry. This | |
76 // particular value does not matter to user code, but is chosen for consistency | |
77 // with the equivalent Pepper API. | |
78 const char kPackageDirectoryPath[] = "crxfs"; | |
79 | |
80 // If an extension reloads itself within this many miliseconds of reloading | |
81 // itself, the reload is considered suspiciously fast. | |
82 const int kFastReloadTime = 10000; | |
83 | |
84 // After this many suspiciously fast consecutive reloads, an extension will get | |
85 // disabled. | |
86 const int kFastReloadCount = 5; | |
87 | |
88 void DispatchOnStartupEventImpl(BrowserContext* browser_context, | |
89 const std::string& extension_id, | |
90 bool first_call, | |
91 ExtensionHost* host) { | |
92 // A NULL host from the LazyBackgroundTaskQueue means the page failed to | |
93 // load. Give up. | |
94 if (!host && !first_call) | |
95 return; | |
96 | |
97 // Don't send onStartup events to incognito browser contexts. | |
98 if (browser_context->IsOffTheRecord()) | |
99 return; | |
100 | |
101 if (ExtensionsBrowserClient::Get()->IsShuttingDown() || | |
102 !ExtensionsBrowserClient::Get()->IsValidContext(browser_context)) | |
103 return; | |
104 ExtensionSystem* system = ExtensionSystem::Get(browser_context); | |
105 if (!system) | |
106 return; | |
107 | |
108 // If this is a persistent background page, we want to wait for it to load | |
109 // (it might not be ready, since this is startup). But only enqueue once. | |
110 // If it fails to load the first time, don't bother trying again. | |
111 const Extension* extension = | |
112 ExtensionRegistry::Get(browser_context)->enabled_extensions().GetByID( | |
113 extension_id); | |
114 if (extension && BackgroundInfo::HasPersistentBackgroundPage(extension) && | |
115 first_call && | |
116 system->lazy_background_task_queue()-> | |
117 ShouldEnqueueTask(browser_context, extension)) { | |
118 system->lazy_background_task_queue()->AddPendingTask( | |
119 browser_context, extension_id, | |
120 base::Bind(&DispatchOnStartupEventImpl, | |
121 browser_context, extension_id, false)); | |
122 return; | |
123 } | |
124 | |
125 scoped_ptr<base::ListValue> event_args(new base::ListValue()); | |
126 scoped_ptr<Event> event(new Event(runtime::OnStartup::kEventName, | |
127 event_args.Pass())); | |
128 system->event_router()->DispatchEventToExtension(extension_id, event.Pass()); | |
129 } | |
130 | |
131 void SetUninstallURL(ExtensionPrefs* prefs, | |
132 const std::string& extension_id, | |
133 const std::string& url_string) { | |
134 prefs->UpdateExtensionPref(extension_id, | |
135 kUninstallUrl, | |
136 new base::StringValue(url_string)); | |
137 } | |
138 | |
139 #if defined(ENABLE_EXTENSIONS) | |
140 std::string GetUninstallURL(ExtensionPrefs* prefs, | |
141 const std::string& extension_id) { | |
142 std::string url_string; | |
143 prefs->ReadPrefAsString(extension_id, kUninstallUrl, &url_string); | |
144 return url_string; | |
145 } | |
146 #endif // defined(ENABLE_EXTENSIONS) | |
147 | |
148 } // namespace | |
149 | |
150 /////////////////////////////////////////////////////////////////////////////// | |
151 | |
152 static base::LazyInstance<BrowserContextKeyedAPIFactory<RuntimeAPI> > | |
153 g_factory = LAZY_INSTANCE_INITIALIZER; | |
154 | |
155 // static | |
156 BrowserContextKeyedAPIFactory<RuntimeAPI>* RuntimeAPI::GetFactoryInstance() { | |
157 return g_factory.Pointer(); | |
158 } | |
159 | |
160 RuntimeAPI::RuntimeAPI(content::BrowserContext* context) | |
161 : browser_context_(context), | |
162 dispatch_chrome_updated_event_(false), | |
163 registered_for_updates_(false) { | |
164 registrar_.Add(this, chrome::NOTIFICATION_EXTENSIONS_READY, | |
165 content::Source<BrowserContext>(context)); | |
166 registrar_.Add(this, | |
167 chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED, | |
168 content::Source<BrowserContext>(context)); | |
169 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_INSTALLED, | |
170 content::Source<BrowserContext>(context)); | |
171 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNINSTALLED, | |
172 content::Source<BrowserContext>(context)); | |
173 | |
174 // Check if registered events are up-to-date. We can only do this once | |
175 // per browser context, since it updates internal state when called. | |
176 dispatch_chrome_updated_event_ = | |
177 ExtensionsBrowserClient::Get()->DidVersionUpdate(browser_context_); | |
178 } | |
179 | |
180 RuntimeAPI::~RuntimeAPI() { | |
181 if (registered_for_updates_) { | |
182 ExtensionSystem::Get(browser_context_)-> | |
183 extension_service()->RemoveUpdateObserver(this); | |
184 } | |
185 } | |
186 | |
187 void RuntimeAPI::Observe(int type, | |
188 const content::NotificationSource& source, | |
189 const content::NotificationDetails& details) { | |
190 switch (type) { | |
191 case chrome::NOTIFICATION_EXTENSIONS_READY: { | |
192 OnExtensionsReady(); | |
193 break; | |
194 } | |
195 case chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED: { | |
196 const Extension* extension = | |
197 content::Details<const Extension>(details).ptr(); | |
198 OnExtensionLoaded(extension); | |
199 break; | |
200 } | |
201 case chrome::NOTIFICATION_EXTENSION_INSTALLED: { | |
202 const Extension* extension = | |
203 content::Details<const InstalledExtensionInfo>(details)->extension; | |
204 OnExtensionInstalled(extension); | |
205 break; | |
206 } | |
207 case chrome::NOTIFICATION_EXTENSION_UNINSTALLED: { | |
208 const Extension* extension = | |
209 content::Details<const Extension>(details).ptr(); | |
210 OnExtensionUninstalled(extension); | |
211 break; | |
212 } | |
213 default: | |
214 NOTREACHED(); | |
215 break; | |
216 } | |
217 } | |
218 | |
219 void RuntimeAPI::OnExtensionsReady() { | |
220 // We're done restarting Chrome after an update. | |
221 dispatch_chrome_updated_event_ = false; | |
222 | |
223 registered_for_updates_ = true; | |
224 | |
225 ExtensionSystem* extension_system = ExtensionSystem::Get(browser_context_); | |
226 extension_system->extension_service()->AddUpdateObserver(this); | |
227 | |
228 // RuntimeAPI is redirected in incognito, so |browser_context_| is never | |
229 // incognito. We don't observe incognito ProcessManagers but that is OK | |
230 // because we don't send onStartup events to incognito browser contexts. | |
231 DCHECK(!browser_context_->IsOffTheRecord()); | |
232 // Some tests use partially constructed Profiles without a process manager. | |
233 if (extension_system->process_manager()) | |
234 extension_system->process_manager()->AddObserver(this); | |
235 } | |
236 | |
237 void RuntimeAPI::OnExtensionLoaded(const Extension* extension) { | |
238 if (!dispatch_chrome_updated_event_) | |
239 return; | |
240 | |
241 // Dispatch the onInstalled event with reason "chrome_update". | |
242 base::MessageLoop::current()->PostTask( | |
243 FROM_HERE, | |
244 base::Bind(&RuntimeEventRouter::DispatchOnInstalledEvent, | |
245 browser_context_, | |
246 extension->id(), | |
247 Version(), | |
248 true)); | |
249 } | |
250 | |
251 void RuntimeAPI::OnExtensionInstalled(const Extension* extension) { | |
252 // Ephemeral apps are not considered to be installed and do not receive | |
253 // the onInstalled() event. | |
254 if (extension->is_ephemeral()) | |
255 return; | |
256 | |
257 // Get the previous version to check if this is an upgrade. | |
258 ExtensionService* service = ExtensionSystem::Get( | |
259 browser_context_)->extension_service(); | |
260 const Extension* old = service->GetExtensionById(extension->id(), true); | |
261 Version old_version; | |
262 if (old) | |
263 old_version = *old->version(); | |
264 | |
265 // Dispatch the onInstalled event. | |
266 base::MessageLoop::current()->PostTask( | |
267 FROM_HERE, | |
268 base::Bind(&RuntimeEventRouter::DispatchOnInstalledEvent, | |
269 browser_context_, | |
270 extension->id(), | |
271 old_version, | |
272 false)); | |
273 | |
274 } | |
275 | |
276 void RuntimeAPI::OnExtensionUninstalled(const Extension* extension) { | |
277 // Ephemeral apps are not considered to be installed, so the uninstall URL | |
278 // is not invoked when they are removed. | |
279 if (extension->is_ephemeral()) | |
280 return; | |
281 | |
282 Profile* profile = Profile::FromBrowserContext(browser_context_); | |
283 RuntimeEventRouter::OnExtensionUninstalled(profile, extension->id()); | |
284 } | |
285 | |
286 void RuntimeAPI::Shutdown() { | |
287 // ExtensionSystem deletes its ProcessManager during the Shutdown() phase, so | |
288 // the observer must be removed here and not in the RuntimeAPI destructor. | |
289 ProcessManager* process_manager = | |
290 ExtensionSystem::Get(browser_context_)->process_manager(); | |
291 // Some tests use partially constructed Profiles without a process manager. | |
292 if (process_manager) | |
293 process_manager->RemoveObserver(this); | |
294 } | |
295 | |
296 void RuntimeAPI::OnAppUpdateAvailable(const Extension* extension) { | |
297 Profile* profile = Profile::FromBrowserContext(browser_context_); | |
298 RuntimeEventRouter::DispatchOnUpdateAvailableEvent( | |
299 profile, extension->id(), extension->manifest()->value()); | |
300 } | |
301 | |
302 void RuntimeAPI::OnChromeUpdateAvailable() { | |
303 Profile* profile = Profile::FromBrowserContext(browser_context_); | |
304 RuntimeEventRouter::DispatchOnBrowserUpdateAvailableEvent(profile); | |
305 } | |
306 | |
307 void RuntimeAPI::OnBackgroundHostStartup(const Extension* extension) { | |
308 RuntimeEventRouter::DispatchOnStartupEvent(browser_context_, extension->id()); | |
309 } | |
310 | |
311 void RuntimeAPI::MaybeReloadExtension(const std::string& extension_id) { | |
312 std::pair<base::TimeTicks, int>& reload_info = | |
313 last_reload_time_[extension_id]; | |
314 base::TimeTicks now = base::TimeTicks::Now(); | |
315 if (reload_info.first.is_null() || | |
316 (now - reload_info.first).InMilliseconds() > kFastReloadTime) { | |
317 reload_info.second = 0; | |
318 } else { | |
319 reload_info.second++; | |
320 } | |
321 if (!reload_info.first.is_null()) { | |
322 UMA_HISTOGRAM_LONG_TIMES("Extensions.RuntimeReloadTime", | |
323 now - reload_info.first); | |
324 } | |
325 UMA_HISTOGRAM_COUNTS_100("Extensions.RuntimeReloadFastCount", | |
326 reload_info.second); | |
327 reload_info.first = now; | |
328 | |
329 ExtensionService* service = | |
330 ExtensionSystem::Get(browser_context_)->extension_service(); | |
331 if (reload_info.second >= kFastReloadCount) { | |
332 // Unloading an extension clears all warnings, so first terminate the | |
333 // extension, and then add the warning. Since this is called from an | |
334 // extension function unloading the extension has to be done | |
335 // asynchronously. Fortunately PostTask guarentees FIFO order so just | |
336 // post both tasks. | |
337 base::MessageLoop::current()->PostTask( | |
338 FROM_HERE, | |
339 base::Bind(&ExtensionService::TerminateExtension, | |
340 service->AsWeakPtr(), | |
341 extension_id)); | |
342 ExtensionWarningSet warnings; | |
343 warnings.insert( | |
344 ExtensionWarning::CreateReloadTooFrequentWarning(extension_id)); | |
345 base::MessageLoop::current()->PostTask( | |
346 FROM_HERE, | |
347 base::Bind(&ExtensionWarningService::NotifyWarningsOnUI, | |
348 browser_context_, | |
349 warnings)); | |
350 } else { | |
351 // We can't call ReloadExtension directly, since when this method finishes | |
352 // it tries to decrease the reference count for the extension, which fails | |
353 // if the extension has already been reloaded; so instead we post a task. | |
354 base::MessageLoop::current()->PostTask( | |
355 FROM_HERE, | |
356 base::Bind(&ExtensionService::ReloadExtension, | |
357 service->AsWeakPtr(), | |
358 extension_id)); | |
359 } | |
360 } | |
361 | |
362 /////////////////////////////////////////////////////////////////////////////// | |
363 | |
364 // static | |
365 void RuntimeEventRouter::DispatchOnStartupEvent( | |
366 content::BrowserContext* context, const std::string& extension_id) { | |
367 DispatchOnStartupEventImpl(context, extension_id, true, NULL); | |
368 } | |
369 | |
370 // static | |
371 void RuntimeEventRouter::DispatchOnInstalledEvent( | |
372 content::BrowserContext* context, | |
373 const std::string& extension_id, | |
374 const Version& old_version, | |
375 bool chrome_updated) { | |
376 if (!ExtensionsBrowserClient::Get()->IsValidContext(context)) | |
377 return; | |
378 ExtensionSystem* system = ExtensionSystem::Get(context); | |
379 if (!system) | |
380 return; | |
381 | |
382 scoped_ptr<base::ListValue> event_args(new base::ListValue()); | |
383 base::DictionaryValue* info = new base::DictionaryValue(); | |
384 event_args->Append(info); | |
385 if (old_version.IsValid()) { | |
386 info->SetString(kInstallReason, kInstallReasonUpdate); | |
387 info->SetString(kInstallPreviousVersion, old_version.GetString()); | |
388 } else if (chrome_updated) { | |
389 info->SetString(kInstallReason, kInstallReasonChromeUpdate); | |
390 } else { | |
391 info->SetString(kInstallReason, kInstallReasonInstall); | |
392 } | |
393 DCHECK(system->event_router()); | |
394 scoped_ptr<Event> event(new Event(runtime::OnInstalled::kEventName, | |
395 event_args.Pass())); | |
396 system->event_router()->DispatchEventWithLazyListener(extension_id, | |
397 event.Pass()); | |
398 } | |
399 | |
400 // static | |
401 void RuntimeEventRouter::DispatchOnUpdateAvailableEvent( | |
402 Profile* profile, | |
403 const std::string& extension_id, | |
404 const base::DictionaryValue* manifest) { | |
405 ExtensionSystem* system = ExtensionSystem::Get(profile); | |
406 if (!system) | |
407 return; | |
408 | |
409 scoped_ptr<base::ListValue> args(new base::ListValue); | |
410 args->Append(manifest->DeepCopy()); | |
411 DCHECK(system->event_router()); | |
412 scoped_ptr<Event> event(new Event(runtime::OnUpdateAvailable::kEventName, | |
413 args.Pass())); | |
414 system->event_router()->DispatchEventToExtension(extension_id, event.Pass()); | |
415 } | |
416 | |
417 // static | |
418 void RuntimeEventRouter::DispatchOnBrowserUpdateAvailableEvent( | |
419 Profile* profile) { | |
420 ExtensionSystem* system = ExtensionSystem::Get(profile); | |
421 if (!system) | |
422 return; | |
423 | |
424 scoped_ptr<base::ListValue> args(new base::ListValue); | |
425 DCHECK(system->event_router()); | |
426 scoped_ptr<Event> event(new Event( | |
427 runtime::OnBrowserUpdateAvailable::kEventName, args.Pass())); | |
428 system->event_router()->BroadcastEvent(event.Pass()); | |
429 } | |
430 | |
431 // static | |
432 void RuntimeEventRouter::DispatchOnRestartRequiredEvent( | |
433 Profile* profile, | |
434 const std::string& app_id, | |
435 api::runtime::OnRestartRequired::Reason reason) { | |
436 ExtensionSystem* system = ExtensionSystem::Get(profile); | |
437 if (!system) | |
438 return; | |
439 | |
440 scoped_ptr<Event> event( | |
441 new Event(runtime::OnRestartRequired::kEventName, | |
442 api::runtime::OnRestartRequired::Create(reason))); | |
443 | |
444 DCHECK(system->event_router()); | |
445 system->event_router()->DispatchEventToExtension(app_id, event.Pass()); | |
446 } | |
447 | |
448 // static | |
449 void RuntimeEventRouter::OnExtensionUninstalled( | |
450 Profile* profile, | |
451 const std::string& extension_id) { | |
452 #if defined(ENABLE_EXTENSIONS) | |
453 GURL uninstall_url(GetUninstallURL(ExtensionPrefs::Get(profile), | |
454 extension_id)); | |
455 | |
456 if (uninstall_url.is_empty()) | |
457 return; | |
458 | |
459 Browser* browser = chrome::FindLastActiveWithProfile(profile, | |
460 chrome::GetActiveDesktop()); | |
461 if (!browser) | |
462 browser = new Browser(Browser::CreateParams(profile, | |
463 chrome::GetActiveDesktop())); | |
464 | |
465 chrome::NavigateParams params(browser, uninstall_url, | |
466 content::PAGE_TRANSITION_CLIENT_REDIRECT); | |
467 params.disposition = NEW_FOREGROUND_TAB; | |
468 params.user_gesture = false; | |
469 chrome::Navigate(¶ms); | |
470 #endif // defined(ENABLE_EXTENSIONS) | |
471 } | |
472 | |
473 bool RuntimeGetBackgroundPageFunction::RunAsync() { | |
474 ExtensionSystem* system = ExtensionSystem::Get(GetProfile()); | |
475 ExtensionHost* host = system->process_manager()-> | |
476 GetBackgroundHostForExtension(extension_id()); | |
477 if (system->lazy_background_task_queue()->ShouldEnqueueTask(GetProfile(), | |
478 GetExtension())) { | |
479 system->lazy_background_task_queue()->AddPendingTask( | |
480 GetProfile(), | |
481 extension_id(), | |
482 base::Bind(&RuntimeGetBackgroundPageFunction::OnPageLoaded, this)); | |
483 } else if (host) { | |
484 OnPageLoaded(host); | |
485 } else { | |
486 error_ = kNoBackgroundPageError; | |
487 return false; | |
488 } | |
489 | |
490 return true; | |
491 } | |
492 | |
493 void RuntimeGetBackgroundPageFunction::OnPageLoaded(ExtensionHost* host) { | |
494 if (host) { | |
495 SendResponse(true); | |
496 } else { | |
497 error_ = kPageLoadError; | |
498 SendResponse(false); | |
499 } | |
500 } | |
501 | |
502 bool RuntimeSetUninstallURLFunction::RunSync() { | |
503 std::string url_string; | |
504 EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &url_string)); | |
505 | |
506 GURL url(url_string); | |
507 if (!url.is_valid()) { | |
508 error_ = ErrorUtils::FormatErrorMessage(kInvalidUrlError, url_string); | |
509 return false; | |
510 } | |
511 | |
512 SetUninstallURL( | |
513 ExtensionPrefs::Get(GetProfile()), extension_id(), url_string); | |
514 return true; | |
515 } | |
516 | |
517 bool RuntimeReloadFunction::RunSync() { | |
518 RuntimeAPI::GetFactoryInstance()->Get(GetProfile())->MaybeReloadExtension( | |
519 extension_id()); | |
520 return true; | |
521 } | |
522 | |
523 RuntimeRequestUpdateCheckFunction::RuntimeRequestUpdateCheckFunction() { | |
524 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UPDATE_FOUND, | |
525 content::NotificationService::AllSources()); | |
526 } | |
527 | |
528 bool RuntimeRequestUpdateCheckFunction::RunAsync() { | |
529 ExtensionSystem* system = ExtensionSystem::Get(GetProfile()); | |
530 ExtensionService* service = system->extension_service(); | |
531 ExtensionUpdater* updater = service->updater(); | |
532 if (!updater) { | |
533 error_ = kUpdatesDisabledError; | |
534 return false; | |
535 } | |
536 | |
537 did_reply_ = false; | |
538 if (!updater->CheckExtensionSoon(extension_id(), base::Bind( | |
539 &RuntimeRequestUpdateCheckFunction::CheckComplete, this))) { | |
540 did_reply_ = true; | |
541 SetResult(new base::StringValue(kUpdateThrottled)); | |
542 SendResponse(true); | |
543 } | |
544 return true; | |
545 } | |
546 | |
547 void RuntimeRequestUpdateCheckFunction::CheckComplete() { | |
548 if (did_reply_) | |
549 return; | |
550 | |
551 did_reply_ = true; | |
552 | |
553 // Since no UPDATE_FOUND notification was seen, this generally would mean | |
554 // that no update is found, but a previous update check might have already | |
555 // queued up an update, so check for that here to make sure we return the | |
556 // right value. | |
557 ExtensionSystem* system = ExtensionSystem::Get(GetProfile()); | |
558 ExtensionService* service = system->extension_service(); | |
559 const Extension* update = service->GetPendingExtensionUpdate(extension_id()); | |
560 if (update) { | |
561 ReplyUpdateFound(update->VersionString()); | |
562 } else { | |
563 SetResult(new base::StringValue(kUpdateNotFound)); | |
564 } | |
565 SendResponse(true); | |
566 } | |
567 | |
568 void RuntimeRequestUpdateCheckFunction::Observe( | |
569 int type, | |
570 const content::NotificationSource& source, | |
571 const content::NotificationDetails& details) { | |
572 if (did_reply_) | |
573 return; | |
574 | |
575 DCHECK(type == chrome::NOTIFICATION_EXTENSION_UPDATE_FOUND); | |
576 typedef const std::pair<std::string, Version> UpdateDetails; | |
577 const std::string& id = content::Details<UpdateDetails>(details)->first; | |
578 const Version& version = content::Details<UpdateDetails>(details)->second; | |
579 if (id == extension_id()) { | |
580 ReplyUpdateFound(version.GetString()); | |
581 } | |
582 } | |
583 | |
584 void RuntimeRequestUpdateCheckFunction::ReplyUpdateFound( | |
585 const std::string& version) { | |
586 did_reply_ = true; | |
587 results_.reset(new base::ListValue); | |
588 results_->AppendString(kUpdateFound); | |
589 base::DictionaryValue* details = new base::DictionaryValue; | |
590 results_->Append(details); | |
591 details->SetString("version", version); | |
592 SendResponse(true); | |
593 } | |
594 | |
595 bool RuntimeRestartFunction::RunSync() { | |
596 #if defined(OS_CHROMEOS) | |
597 if (chromeos::UserManager::Get()->IsLoggedInAsKioskApp()) { | |
598 chromeos::DBusThreadManager::Get() | |
599 ->GetPowerManagerClient() | |
600 ->RequestRestart(); | |
601 return true; | |
602 } | |
603 #endif | |
604 SetError("Function available only for ChromeOS kiosk mode."); | |
605 return false; | |
606 } | |
607 | |
608 bool RuntimeGetPlatformInfoFunction::RunSync() { | |
609 GetPlatformInfo::Results::PlatformInfo info; | |
610 | |
611 const char* os = chrome::OmahaQueryParams::GetOS(); | |
612 if (strcmp(os, "mac") == 0) { | |
613 info.os = GetPlatformInfo::Results::PlatformInfo::OS_MAC_; | |
614 } else if (strcmp(os, "win") == 0) { | |
615 info.os = GetPlatformInfo::Results::PlatformInfo::OS_WIN_; | |
616 } else if (strcmp(os, "android") == 0) { | |
617 info.os = GetPlatformInfo::Results::PlatformInfo::OS_ANDROID_; | |
618 } else if (strcmp(os, "cros") == 0) { | |
619 info.os = GetPlatformInfo::Results::PlatformInfo::OS_CROS_; | |
620 } else if (strcmp(os, "linux") == 0) { | |
621 info.os = GetPlatformInfo::Results::PlatformInfo::OS_LINUX_; | |
622 } else if (strcmp(os, "openbsd") == 0) { | |
623 info.os = GetPlatformInfo::Results::PlatformInfo::OS_OPENBSD_; | |
624 } else { | |
625 NOTREACHED(); | |
626 return false; | |
627 } | |
628 | |
629 const char* arch = chrome::OmahaQueryParams::GetArch(); | |
630 if (strcmp(arch, "arm") == 0) { | |
631 info.arch = GetPlatformInfo::Results::PlatformInfo::ARCH_ARM; | |
632 } else if (strcmp(arch, "x86") == 0) { | |
633 info.arch = GetPlatformInfo::Results::PlatformInfo::ARCH_X86_32; | |
634 } else if (strcmp(arch, "x64") == 0) { | |
635 info.arch = GetPlatformInfo::Results::PlatformInfo::ARCH_X86_64; | |
636 } else { | |
637 NOTREACHED(); | |
638 return false; | |
639 } | |
640 | |
641 const char* nacl_arch = chrome::OmahaQueryParams::GetNaclArch(); | |
642 if (strcmp(nacl_arch, "arm") == 0) { | |
643 info.nacl_arch = GetPlatformInfo::Results::PlatformInfo::NACL_ARCH_ARM; | |
644 } else if (strcmp(nacl_arch, "x86-32") == 0) { | |
645 info.nacl_arch = GetPlatformInfo::Results::PlatformInfo::NACL_ARCH_X86_32; | |
646 } else if (strcmp(nacl_arch, "x86-64") == 0) { | |
647 info.nacl_arch = GetPlatformInfo::Results::PlatformInfo::NACL_ARCH_X86_64; | |
648 } else { | |
649 NOTREACHED(); | |
650 return false; | |
651 } | |
652 | |
653 results_ = GetPlatformInfo::Results::Create(info); | |
654 return true; | |
655 } | |
656 | |
657 bool RuntimeGetPackageDirectoryEntryFunction::RunSync() { | |
658 fileapi::IsolatedContext* isolated_context = | |
659 fileapi::IsolatedContext::GetInstance(); | |
660 DCHECK(isolated_context); | |
661 | |
662 std::string relative_path = kPackageDirectoryPath; | |
663 base::FilePath path = extension_->path(); | |
664 std::string filesystem_id = isolated_context->RegisterFileSystemForPath( | |
665 fileapi::kFileSystemTypeNativeLocal, path, &relative_path); | |
666 | |
667 int renderer_id = render_view_host_->GetProcess()->GetID(); | |
668 content::ChildProcessSecurityPolicy* policy = | |
669 content::ChildProcessSecurityPolicy::GetInstance(); | |
670 policy->GrantReadFileSystem(renderer_id, filesystem_id); | |
671 base::DictionaryValue* dict = new base::DictionaryValue(); | |
672 SetResult(dict); | |
673 dict->SetString("fileSystemId", filesystem_id); | |
674 dict->SetString("baseName", relative_path); | |
675 return true; | |
676 } | |
677 | |
678 } // namespace extensions | |
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