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1 // Copyright 2014 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 "base/bind.h" | |
6 #include "base/location.h" | |
7 #include "base/single_thread_task_runner.h" | |
8 #include "base/thread_task_runner_handle.h" | |
9 #include "components/gcm_driver/gcm_driver.h" | |
10 #include "components/invalidation/gcm_invalidation_bridge.h" | |
11 #include "components/signin/core/browser/profile_oauth2_token_service.h" | |
12 #include "components/signin/core/browser/signin_manager.h" | |
13 #include "google_apis/gaia/gaia_constants.h" | |
14 #include "google_apis/gaia/identity_provider.h" | |
15 | |
16 namespace invalidation { | |
17 namespace { | |
18 // For 3rd party developers SenderId should come from application dashboard when | |
19 // server side application is registered with Google. Android invalidations use | |
20 // legacy format where gmail account can be specificed. Below value is copied | |
21 // from Android. | |
22 const char kInvalidationsSenderId[] = "ipc.invalidation@gmail.com"; | |
23 // In Android world AppId is provided by operating system and should | |
24 // match package name and hash of application. In desktop world these values | |
25 // are arbitrary and not verified/enforced by registration service (yet). | |
26 const char kInvalidationsAppId[] = "com.google.chrome.invalidations"; | |
27 | |
28 // Cacheinvalidation specific gcm message keys. | |
29 const char kContentKey[] = "content"; | |
30 const char kEchoTokenKey[] = "echo-token"; | |
31 } // namespace | |
32 | |
33 // Core should be very simple class that implements GCMNetwrokChannelDelegate | |
34 // and passes all calls to GCMInvalidationBridge. All calls should be serialized | |
35 // through GCMInvalidationBridge to avoid race conditions. | |
36 class GCMInvalidationBridge::Core : public syncer::GCMNetworkChannelDelegate, | |
37 public base::NonThreadSafe { | |
38 public: | |
39 Core(base::WeakPtr<GCMInvalidationBridge> bridge, | |
40 scoped_refptr<base::SingleThreadTaskRunner> ui_thread_task_runner); | |
41 ~Core() override; | |
42 | |
43 // syncer::GCMNetworkChannelDelegate implementation. | |
44 void Initialize(ConnectionStateCallback callback) override; | |
45 void RequestToken(RequestTokenCallback callback) override; | |
46 void InvalidateToken(const std::string& token) override; | |
47 void Register(RegisterCallback callback) override; | |
48 void SetMessageReceiver(MessageCallback callback) override; | |
49 | |
50 void RequestTokenFinished(RequestTokenCallback callback, | |
51 const GoogleServiceAuthError& error, | |
52 const std::string& token); | |
53 | |
54 void RegisterFinished(RegisterCallback callback, | |
55 const std::string& registration_id, | |
56 gcm::GCMClient::Result result); | |
57 | |
58 void OnIncomingMessage(const std::string& message, | |
59 const std::string& echo_token); | |
60 | |
61 void OnConnectionStateChanged(bool online); | |
62 | |
63 private: | |
64 base::WeakPtr<GCMInvalidationBridge> bridge_; | |
65 scoped_refptr<base::SingleThreadTaskRunner> ui_thread_task_runner_; | |
66 | |
67 MessageCallback message_callback_; | |
68 ConnectionStateCallback connection_state_callback_; | |
69 | |
70 base::WeakPtrFactory<Core> weak_factory_; | |
71 | |
72 DISALLOW_COPY_AND_ASSIGN(Core); | |
73 }; | |
74 | |
75 GCMInvalidationBridge::Core::Core( | |
76 base::WeakPtr<GCMInvalidationBridge> bridge, | |
77 scoped_refptr<base::SingleThreadTaskRunner> ui_thread_task_runner) | |
78 : bridge_(bridge), | |
79 ui_thread_task_runner_(ui_thread_task_runner), | |
80 weak_factory_(this) { | |
81 // Core is created on UI thread but all calls happen on IO thread. | |
82 DetachFromThread(); | |
83 } | |
84 | |
85 GCMInvalidationBridge::Core::~Core() {} | |
86 | |
87 void GCMInvalidationBridge::Core::Initialize(ConnectionStateCallback callback) { | |
88 DCHECK(CalledOnValidThread()); | |
89 connection_state_callback_ = callback; | |
90 // Pass core WeapPtr and TaskRunner to GCMInvalidationBridge for it to be able | |
91 // to post back. | |
92 ui_thread_task_runner_->PostTask( | |
93 FROM_HERE, | |
94 base::Bind(&GCMInvalidationBridge::CoreInitializationDone, | |
95 bridge_, | |
96 weak_factory_.GetWeakPtr(), | |
97 base::ThreadTaskRunnerHandle::Get())); | |
98 } | |
99 | |
100 void GCMInvalidationBridge::Core::RequestToken(RequestTokenCallback callback) { | |
101 DCHECK(CalledOnValidThread()); | |
102 ui_thread_task_runner_->PostTask( | |
103 FROM_HERE, | |
104 base::Bind(&GCMInvalidationBridge::RequestToken, bridge_, callback)); | |
105 } | |
106 | |
107 void GCMInvalidationBridge::Core::InvalidateToken(const std::string& token) { | |
108 DCHECK(CalledOnValidThread()); | |
109 ui_thread_task_runner_->PostTask( | |
110 FROM_HERE, | |
111 base::Bind(&GCMInvalidationBridge::InvalidateToken, bridge_, token)); | |
112 } | |
113 | |
114 void GCMInvalidationBridge::Core::Register(RegisterCallback callback) { | |
115 DCHECK(CalledOnValidThread()); | |
116 ui_thread_task_runner_->PostTask( | |
117 FROM_HERE, | |
118 base::Bind(&GCMInvalidationBridge::Register, bridge_, callback)); | |
119 } | |
120 | |
121 void GCMInvalidationBridge::Core::SetMessageReceiver(MessageCallback callback) { | |
122 message_callback_ = callback; | |
123 ui_thread_task_runner_->PostTask( | |
124 FROM_HERE, | |
125 base::Bind(&GCMInvalidationBridge::SubscribeForIncomingMessages, | |
126 bridge_)); | |
127 } | |
128 | |
129 void GCMInvalidationBridge::Core::RequestTokenFinished( | |
130 RequestTokenCallback callback, | |
131 const GoogleServiceAuthError& error, | |
132 const std::string& token) { | |
133 DCHECK(CalledOnValidThread()); | |
134 callback.Run(error, token); | |
135 } | |
136 | |
137 void GCMInvalidationBridge::Core::RegisterFinished( | |
138 RegisterCallback callback, | |
139 const std::string& registration_id, | |
140 gcm::GCMClient::Result result) { | |
141 DCHECK(CalledOnValidThread()); | |
142 callback.Run(registration_id, result); | |
143 } | |
144 | |
145 void GCMInvalidationBridge::Core::OnIncomingMessage( | |
146 const std::string& message, | |
147 const std::string& echo_token) { | |
148 DCHECK(!message_callback_.is_null()); | |
149 message_callback_.Run(message, echo_token); | |
150 } | |
151 | |
152 void GCMInvalidationBridge::Core::OnConnectionStateChanged(bool online) { | |
153 if (!connection_state_callback_.is_null()) { | |
154 connection_state_callback_.Run(online); | |
155 } | |
156 } | |
157 | |
158 GCMInvalidationBridge::GCMInvalidationBridge( | |
159 gcm::GCMDriver* gcm_driver, | |
160 IdentityProvider* identity_provider) | |
161 : OAuth2TokenService::Consumer("gcm_network_channel"), | |
162 gcm_driver_(gcm_driver), | |
163 identity_provider_(identity_provider), | |
164 subscribed_for_incoming_messages_(false), | |
165 weak_factory_(this) {} | |
166 | |
167 GCMInvalidationBridge::~GCMInvalidationBridge() { | |
168 if (subscribed_for_incoming_messages_) { | |
169 gcm_driver_->RemoveAppHandler(kInvalidationsAppId); | |
170 gcm_driver_->RemoveConnectionObserver(this); | |
171 } | |
172 } | |
173 | |
174 scoped_ptr<syncer::GCMNetworkChannelDelegate> | |
175 GCMInvalidationBridge::CreateDelegate() { | |
176 DCHECK(CalledOnValidThread()); | |
177 scoped_ptr<syncer::GCMNetworkChannelDelegate> core(new Core( | |
178 weak_factory_.GetWeakPtr(), base::ThreadTaskRunnerHandle::Get())); | |
179 return core.Pass(); | |
180 } | |
181 | |
182 void GCMInvalidationBridge::CoreInitializationDone( | |
183 base::WeakPtr<Core> core, | |
184 scoped_refptr<base::SingleThreadTaskRunner> core_thread_task_runner) { | |
185 DCHECK(CalledOnValidThread()); | |
186 core_ = core; | |
187 core_thread_task_runner_ = core_thread_task_runner; | |
188 } | |
189 | |
190 void GCMInvalidationBridge::RequestToken( | |
191 syncer::GCMNetworkChannelDelegate::RequestTokenCallback callback) { | |
192 DCHECK(CalledOnValidThread()); | |
193 if (access_token_request_ != NULL) { | |
194 // Report previous request as cancelled. | |
195 GoogleServiceAuthError error(GoogleServiceAuthError::REQUEST_CANCELED); | |
196 std::string access_token; | |
197 core_thread_task_runner_->PostTask( | |
198 FROM_HERE, | |
199 base::Bind(&GCMInvalidationBridge::Core::RequestTokenFinished, | |
200 core_, | |
201 request_token_callback_, | |
202 error, | |
203 access_token)); | |
204 } | |
205 request_token_callback_ = callback; | |
206 OAuth2TokenService::ScopeSet scopes; | |
207 scopes.insert(GaiaConstants::kChromeSyncOAuth2Scope); | |
208 access_token_request_ = identity_provider_->GetTokenService()->StartRequest( | |
209 identity_provider_->GetActiveAccountId(), scopes, this); | |
210 } | |
211 | |
212 void GCMInvalidationBridge::OnGetTokenSuccess( | |
213 const OAuth2TokenService::Request* request, | |
214 const std::string& access_token, | |
215 const base::Time& expiration_time) { | |
216 DCHECK(CalledOnValidThread()); | |
217 DCHECK_EQ(access_token_request_, request); | |
218 core_thread_task_runner_->PostTask( | |
219 FROM_HERE, | |
220 base::Bind(&GCMInvalidationBridge::Core::RequestTokenFinished, | |
221 core_, | |
222 request_token_callback_, | |
223 GoogleServiceAuthError::AuthErrorNone(), | |
224 access_token)); | |
225 request_token_callback_.Reset(); | |
226 access_token_request_.reset(); | |
227 } | |
228 | |
229 void GCMInvalidationBridge::OnGetTokenFailure( | |
230 const OAuth2TokenService::Request* request, | |
231 const GoogleServiceAuthError& error) { | |
232 DCHECK(CalledOnValidThread()); | |
233 DCHECK_EQ(access_token_request_, request); | |
234 core_thread_task_runner_->PostTask( | |
235 FROM_HERE, | |
236 base::Bind(&GCMInvalidationBridge::Core::RequestTokenFinished, | |
237 core_, | |
238 request_token_callback_, | |
239 error, | |
240 std::string())); | |
241 request_token_callback_.Reset(); | |
242 access_token_request_.reset(); | |
243 } | |
244 | |
245 void GCMInvalidationBridge::InvalidateToken(const std::string& token) { | |
246 DCHECK(CalledOnValidThread()); | |
247 OAuth2TokenService::ScopeSet scopes; | |
248 scopes.insert(GaiaConstants::kChromeSyncOAuth2Scope); | |
249 identity_provider_->GetTokenService()->InvalidateToken( | |
250 identity_provider_->GetActiveAccountId(), scopes, token); | |
251 } | |
252 | |
253 void GCMInvalidationBridge::Register( | |
254 syncer::GCMNetworkChannelDelegate::RegisterCallback callback) { | |
255 DCHECK(CalledOnValidThread()); | |
256 // No-op if GCMClient is disabled. | |
257 if (gcm_driver_ == NULL) | |
258 return; | |
259 | |
260 std::vector<std::string> sender_ids; | |
261 sender_ids.push_back(kInvalidationsSenderId); | |
262 gcm_driver_->Register(kInvalidationsAppId, | |
263 sender_ids, | |
264 base::Bind(&GCMInvalidationBridge::RegisterFinished, | |
265 weak_factory_.GetWeakPtr(), | |
266 callback)); | |
267 } | |
268 | |
269 void GCMInvalidationBridge::RegisterFinished( | |
270 syncer::GCMNetworkChannelDelegate::RegisterCallback callback, | |
271 const std::string& registration_id, | |
272 gcm::GCMClient::Result result) { | |
273 DCHECK(CalledOnValidThread()); | |
274 core_thread_task_runner_->PostTask( | |
275 FROM_HERE, | |
276 base::Bind(&GCMInvalidationBridge::Core::RegisterFinished, | |
277 core_, | |
278 callback, | |
279 registration_id, | |
280 result)); | |
281 } | |
282 | |
283 void GCMInvalidationBridge::Unregister() { | |
284 DCHECK(CalledOnValidThread()); | |
285 // No-op if GCMClient is disabled. | |
286 if (gcm_driver_ == NULL) | |
287 return; | |
288 | |
289 gcm_driver_->Unregister( | |
290 kInvalidationsAppId, | |
291 base::Bind(&GCMInvalidationBridge::UnregisterFinishedNoOp)); | |
292 } | |
293 | |
294 // static | |
295 void GCMInvalidationBridge::UnregisterFinishedNoOp( | |
296 gcm::GCMClient::Result result) { | |
297 // No-op. | |
298 } | |
299 | |
300 void GCMInvalidationBridge::SubscribeForIncomingMessages() { | |
301 // No-op if GCMClient is disabled. | |
302 if (gcm_driver_ == NULL) | |
303 return; | |
304 | |
305 DCHECK(!subscribed_for_incoming_messages_); | |
306 gcm_driver_->AddAppHandler(kInvalidationsAppId, this); | |
307 gcm_driver_->AddConnectionObserver(this); | |
308 core_thread_task_runner_->PostTask( | |
309 FROM_HERE, | |
310 base::Bind(&GCMInvalidationBridge::Core::OnConnectionStateChanged, | |
311 core_, | |
312 gcm_driver_->IsConnected())); | |
313 | |
314 subscribed_for_incoming_messages_ = true; | |
315 } | |
316 | |
317 void GCMInvalidationBridge::ShutdownHandler() { | |
318 // Nothing to do. | |
319 } | |
320 | |
321 void GCMInvalidationBridge::OnMessage( | |
322 const std::string& app_id, | |
323 const gcm::GCMClient::IncomingMessage& message) { | |
324 gcm::GCMClient::MessageData::const_iterator it; | |
325 std::string content; | |
326 std::string echo_token; | |
327 it = message.data.find(kContentKey); | |
328 if (it != message.data.end()) | |
329 content = it->second; | |
330 it = message.data.find(kEchoTokenKey); | |
331 if (it != message.data.end()) | |
332 echo_token = it->second; | |
333 | |
334 core_thread_task_runner_->PostTask( | |
335 FROM_HERE, | |
336 base::Bind(&GCMInvalidationBridge::Core::OnIncomingMessage, | |
337 core_, | |
338 content, | |
339 echo_token)); | |
340 } | |
341 | |
342 void GCMInvalidationBridge::OnMessagesDeleted(const std::string& app_id) { | |
343 // Cacheinvalidation doesn't use long lived non-collapsable messages with GCM. | |
344 // Android implementation of cacheinvalidation doesn't handle MessagesDeleted | |
345 // callback so this should be no-op in desktop version as well. | |
346 } | |
347 | |
348 void GCMInvalidationBridge::OnSendError( | |
349 const std::string& app_id, | |
350 const gcm::GCMClient::SendErrorDetails& send_error_details) { | |
351 // cacheinvalidation doesn't send messages over GCM. | |
352 NOTREACHED(); | |
353 } | |
354 | |
355 void GCMInvalidationBridge::OnSendAcknowledged( | |
356 const std::string& app_id, | |
357 const std::string& message_id) { | |
358 // cacheinvalidation doesn't send messages over GCM. | |
359 NOTREACHED(); | |
360 } | |
361 | |
362 void GCMInvalidationBridge::OnConnected(const net::IPEndPoint& ip_endpoint) { | |
363 core_thread_task_runner_->PostTask( | |
364 FROM_HERE, | |
365 base::Bind( | |
366 &GCMInvalidationBridge::Core::OnConnectionStateChanged, core_, true)); | |
367 } | |
368 | |
369 void GCMInvalidationBridge::OnDisconnected() { | |
370 core_thread_task_runner_->PostTask( | |
371 FROM_HERE, | |
372 base::Bind(&GCMInvalidationBridge::Core::OnConnectionStateChanged, | |
373 core_, | |
374 false)); | |
375 } | |
376 | |
377 } // namespace invalidation | |
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