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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 "content/browser/media/cdm/browser_cdm_manager.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 | |
| 9 #include <memory> | |
| 10 #include <string> | |
| 11 #include <utility> | |
| 12 | |
| 13 #include "base/bind.h" | |
| 14 #include "base/bind_helpers.h" | |
| 15 #include "base/lazy_instance.h" | |
| 16 #include "base/task_runner.h" | |
| 17 #include "build/build_config.h" | |
| 18 #include "content/public/browser/browser_context.h" | |
| 19 #include "content/public/browser/browser_thread.h" | |
| 20 #include "content/public/browser/content_browser_client.h" | |
| 21 #include "content/public/browser/permission_manager.h" | |
| 22 #include "content/public/browser/permission_type.h" | |
| 23 #include "content/public/browser/render_frame_host.h" | |
| 24 #include "content/public/browser/render_process_host.h" | |
| 25 #include "content/public/browser/render_process_host_observer.h" | |
| 26 #include "content/public/browser/storage_partition.h" | |
| 27 #include "content/public/browser/web_contents.h" | |
| 28 #include "media/base/cdm_config.h" | |
| 29 #include "media/base/cdm_factory.h" | |
| 30 #include "media/base/cdm_promise.h" | |
| 31 #include "media/base/limits.h" | |
| 32 | |
| 33 #if defined(OS_ANDROID) | |
| 34 #include "content/public/browser/android/provision_fetcher_factory.h" | |
| 35 #include "content/public/common/renderer_preferences.h" | |
| 36 #include "media/base/android/android_cdm_factory.h" | |
| 37 #endif | |
| 38 | |
| 39 namespace content { | |
| 40 | |
| 41 using media::MediaKeys; | |
| 42 | |
| 43 namespace { | |
| 44 | |
| 45 #if defined(OS_ANDROID) | |
| 46 // Android only supports 128-bit key IDs. | |
| 47 const size_t kAndroidKeyIdBytes = 128 / 8; | |
| 48 #endif | |
| 49 | |
| 50 // The ID used in this class is a concatenation of |render_frame_id| and | |
| 51 // |cdm_id|, i.e. (render_frame_id << 32) + cdm_id. | |
| 52 | |
| 53 uint64_t GetId(int render_frame_id, int cdm_id) { | |
| 54 return (static_cast<uint64_t>(render_frame_id) << 32) + | |
| 55 static_cast<uint64_t>(cdm_id); | |
| 56 } | |
| 57 | |
| 58 bool IdBelongsToFrame(uint64_t id, int render_frame_id) { | |
| 59 return (id >> 32) == static_cast<uint64_t>(render_frame_id); | |
| 60 } | |
| 61 | |
| 62 // media::CdmPromiseTemplate implementation backed by a BrowserCdmManager. | |
| 63 template <typename... T> | |
| 64 class CdmPromiseInternal : public media::CdmPromiseTemplate<T...> { | |
| 65 public: | |
| 66 CdmPromiseInternal(const base::WeakPtr<BrowserCdmManager>& manager, | |
| 67 int render_frame_id, | |
| 68 int cdm_id, | |
| 69 uint32_t promise_id) | |
| 70 : manager_(manager), | |
| 71 render_frame_id_(render_frame_id), | |
| 72 cdm_id_(cdm_id), | |
| 73 promise_id_(promise_id) { | |
| 74 DCHECK(manager_); | |
| 75 } | |
| 76 | |
| 77 ~CdmPromiseInternal() final { | |
| 78 if (!IsPromiseSettled()) | |
| 79 RejectPromiseOnDestruction(); | |
| 80 } | |
| 81 | |
| 82 // CdmPromiseTemplate<> implementation. | |
| 83 void resolve(const T&... result) final; | |
| 84 | |
| 85 void reject(MediaKeys::Exception exception, | |
| 86 uint32_t system_code, | |
| 87 const std::string& error_message) final { | |
| 88 MarkPromiseSettled(); | |
| 89 if (manager_) { | |
| 90 manager_->RejectPromise(render_frame_id_, cdm_id_, promise_id_, exception, | |
| 91 system_code, error_message); | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 private: | |
| 96 using media::CdmPromiseTemplate<T...>::IsPromiseSettled; | |
| 97 using media::CdmPromiseTemplate<T...>::MarkPromiseSettled; | |
| 98 using media::CdmPromiseTemplate<T...>::RejectPromiseOnDestruction; | |
| 99 | |
| 100 base::WeakPtr<BrowserCdmManager> const manager_; | |
| 101 const int render_frame_id_; | |
| 102 const int cdm_id_; | |
| 103 const uint32_t promise_id_; | |
| 104 }; | |
| 105 | |
| 106 template <> | |
| 107 void CdmPromiseInternal<>::resolve() { | |
| 108 MarkPromiseSettled(); | |
| 109 if (manager_) | |
| 110 manager_->ResolvePromise(render_frame_id_, cdm_id_, promise_id_); | |
| 111 } | |
| 112 | |
| 113 template <> | |
| 114 void CdmPromiseInternal<std::string>::resolve(const std::string& session_id) { | |
| 115 MarkPromiseSettled(); | |
| 116 if (manager_) { | |
| 117 manager_->ResolvePromiseWithSession(render_frame_id_, cdm_id_, promise_id_, | |
| 118 session_id); | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 typedef CdmPromiseInternal<> SimplePromise; | |
| 123 typedef CdmPromiseInternal<std::string> NewSessionPromise; | |
| 124 | |
| 125 // Render process ID to BrowserCdmManager map. | |
| 126 typedef std::map<int, BrowserCdmManager*> BrowserCdmManagerMap; | |
| 127 base::LazyInstance<BrowserCdmManagerMap>::Leaky g_browser_cdm_manager_map = | |
| 128 LAZY_INSTANCE_INITIALIZER; | |
| 129 | |
| 130 // Keeps the BrowserCdmManager alive, and in the global map, for as long as the | |
| 131 // RenderProcessHost is connected to the child process. This class is a | |
| 132 // self-owned observer. | |
| 133 class BrowserCdmManagerProcessWatcher : public RenderProcessHostObserver { | |
| 134 public: | |
| 135 BrowserCdmManagerProcessWatcher( | |
| 136 int render_process_id, | |
| 137 const scoped_refptr<BrowserCdmManager>& manager) | |
| 138 : browser_cdm_manager_(manager) { | |
| 139 RenderProcessHost::FromID(render_process_id)->AddObserver(this); | |
| 140 CHECK(g_browser_cdm_manager_map.Get() | |
| 141 .insert(std::make_pair(render_process_id, manager.get())) | |
| 142 .second); | |
| 143 } | |
| 144 | |
| 145 // RenderProcessHostObserver: | |
| 146 void RenderProcessExited(RenderProcessHost* host, | |
| 147 base::TerminationStatus /* status */, | |
| 148 int /* exit_code */) override { | |
| 149 RemoveHostObserverAndDestroy(host); | |
| 150 } | |
| 151 | |
| 152 void RenderProcessHostDestroyed(RenderProcessHost* host) override { | |
| 153 RemoveHostObserverAndDestroy(host); | |
| 154 } | |
| 155 | |
| 156 private: | |
| 157 void RemoveHostObserverAndDestroy(RenderProcessHost* host) { | |
| 158 CHECK(g_browser_cdm_manager_map.Get().erase(host->GetID())); | |
| 159 host->RemoveObserver(this); | |
| 160 delete this; | |
| 161 } | |
| 162 | |
| 163 const scoped_refptr<BrowserCdmManager> browser_cdm_manager_; | |
| 164 }; | |
| 165 | |
| 166 } // namespace | |
| 167 | |
| 168 // static | |
| 169 BrowserCdmManager* BrowserCdmManager::FromProcess(int render_process_id) { | |
| 170 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 171 auto& map = g_browser_cdm_manager_map.Get(); | |
| 172 auto iterator = map.find(render_process_id); | |
| 173 return (iterator == map.end()) ? nullptr : iterator->second; | |
| 174 } | |
| 175 | |
| 176 BrowserCdmManager::BrowserCdmManager( | |
| 177 int render_process_id, | |
| 178 const scoped_refptr<base::TaskRunner>& task_runner) | |
| 179 : BrowserMessageFilter(CdmMsgStart), | |
| 180 render_process_id_(render_process_id), | |
| 181 task_runner_(task_runner), | |
| 182 weak_ptr_factory_(this) { | |
| 183 DVLOG(1) << __FUNCTION__ << ": " << render_process_id_; | |
| 184 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 185 | |
| 186 new BrowserCdmManagerProcessWatcher(render_process_id, this); | |
| 187 | |
| 188 if (!task_runner_.get()) { | |
| 189 task_runner_ = BrowserThread::GetTaskRunnerForThread(BrowserThread::UI); | |
| 190 } | |
| 191 } | |
| 192 | |
| 193 BrowserCdmManager::~BrowserCdmManager() { | |
| 194 DVLOG(1) << __FUNCTION__ << ": " << render_process_id_; | |
| 195 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 196 } | |
| 197 | |
| 198 // Makes sure BrowserCdmManager is always deleted on the Browser UI thread. | |
| 199 void BrowserCdmManager::OnDestruct() const { | |
| 200 DVLOG(1) << __FUNCTION__ << ": " << render_process_id_; | |
| 201 if (BrowserThread::CurrentlyOn(BrowserThread::UI)) { | |
| 202 delete this; | |
| 203 } else { | |
| 204 BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, this); | |
| 205 } | |
| 206 } | |
| 207 | |
| 208 base::TaskRunner* BrowserCdmManager::OverrideTaskRunnerForMessage( | |
| 209 const IPC::Message& message) { | |
| 210 // Only handles CDM messages. | |
| 211 if (IPC_MESSAGE_CLASS(message) != CdmMsgStart) | |
| 212 return NULL; | |
| 213 | |
| 214 return task_runner_.get(); | |
| 215 } | |
| 216 | |
| 217 bool BrowserCdmManager::OnMessageReceived(const IPC::Message& msg) { | |
| 218 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 219 bool handled = true; | |
| 220 IPC_BEGIN_MESSAGE_MAP(BrowserCdmManager, msg) | |
| 221 IPC_MESSAGE_HANDLER(CdmHostMsg_InitializeCdm, OnInitializeCdm) | |
| 222 IPC_MESSAGE_HANDLER(CdmHostMsg_SetServerCertificate, OnSetServerCertificate) | |
| 223 IPC_MESSAGE_HANDLER(CdmHostMsg_CreateSessionAndGenerateRequest, | |
| 224 OnCreateSessionAndGenerateRequest) | |
| 225 IPC_MESSAGE_HANDLER(CdmHostMsg_LoadSession, OnLoadSession) | |
| 226 IPC_MESSAGE_HANDLER(CdmHostMsg_UpdateSession, OnUpdateSession) | |
| 227 IPC_MESSAGE_HANDLER(CdmHostMsg_CloseSession, OnCloseSession) | |
| 228 IPC_MESSAGE_HANDLER(CdmHostMsg_RemoveSession, OnRemoveSession) | |
| 229 IPC_MESSAGE_HANDLER(CdmHostMsg_DestroyCdm, OnDestroyCdm) | |
| 230 IPC_MESSAGE_UNHANDLED(handled = false) | |
| 231 IPC_END_MESSAGE_MAP() | |
| 232 return handled; | |
| 233 } | |
| 234 | |
| 235 scoped_refptr<MediaKeys> BrowserCdmManager::GetCdm(int render_frame_id, | |
| 236 int cdm_id) const { | |
| 237 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 238 const auto& iter = cdm_map_.find(GetId(render_frame_id, cdm_id)); | |
| 239 return iter == cdm_map_.end() ? nullptr : iter->second; | |
| 240 } | |
| 241 | |
| 242 void BrowserCdmManager::RenderFrameDeleted(int render_frame_id) { | |
| 243 if (!task_runner_->RunsTasksOnCurrentThread()) { | |
| 244 task_runner_->PostTask( | |
| 245 FROM_HERE, | |
| 246 base::Bind(&BrowserCdmManager::RemoveAllCdmForFrame, | |
| 247 this, render_frame_id)); | |
| 248 return; | |
| 249 } | |
| 250 RemoveAllCdmForFrame(render_frame_id); | |
| 251 } | |
| 252 | |
| 253 void BrowserCdmManager::ResolvePromise(int render_frame_id, | |
| 254 int cdm_id, | |
| 255 uint32_t promise_id) { | |
| 256 Send(new CdmMsg_ResolvePromise(render_frame_id, cdm_id, promise_id)); | |
| 257 } | |
| 258 | |
| 259 void BrowserCdmManager::ResolvePromiseWithSession( | |
| 260 int render_frame_id, | |
| 261 int cdm_id, | |
| 262 uint32_t promise_id, | |
| 263 const std::string& session_id) { | |
| 264 if (session_id.length() > media::limits::kMaxSessionIdLength) { | |
| 265 RejectPromise(render_frame_id, cdm_id, promise_id, | |
| 266 MediaKeys::INVALID_ACCESS_ERROR, 0, | |
| 267 "Session ID is too long."); | |
| 268 return; | |
| 269 } | |
| 270 | |
| 271 Send(new CdmMsg_ResolvePromiseWithSession(render_frame_id, cdm_id, promise_id, | |
| 272 session_id)); | |
| 273 } | |
| 274 | |
| 275 void BrowserCdmManager::RejectPromise(int render_frame_id, | |
| 276 int cdm_id, | |
| 277 uint32_t promise_id, | |
| 278 MediaKeys::Exception exception, | |
| 279 uint32_t system_code, | |
| 280 const std::string& error_message) { | |
| 281 Send(new CdmMsg_RejectPromise(render_frame_id, cdm_id, promise_id, exception, | |
| 282 system_code, error_message)); | |
| 283 } | |
| 284 | |
| 285 media::CdmFactory* BrowserCdmManager::GetCdmFactory() { | |
| 286 if (!cdm_factory_) { | |
| 287 // Create a new CdmFactory. | |
| 288 cdm_factory_ = GetContentClient()->browser()->CreateCdmFactory(); | |
| 289 | |
| 290 #if defined(OS_ANDROID) | |
| 291 if (!cdm_factory_) { | |
| 292 // Obtain http request context for the current render process. | |
| 293 net::URLRequestContextGetter* context_getter = | |
| 294 BrowserContext::GetDefaultStoragePartition( | |
| 295 RenderProcessHost::FromID(render_process_id_)-> | |
| 296 GetBrowserContext())->GetURLRequestContext(); | |
| 297 DCHECK(context_getter); | |
| 298 | |
| 299 cdm_factory_.reset(new media::AndroidCdmFactory( | |
| 300 base::Bind(&CreateProvisionFetcher, context_getter))); | |
| 301 } | |
| 302 #endif | |
| 303 } | |
| 304 | |
| 305 return cdm_factory_.get(); | |
| 306 } | |
| 307 | |
| 308 void BrowserCdmManager::OnSessionMessage(int render_frame_id, | |
| 309 int cdm_id, | |
| 310 const std::string& session_id, | |
| 311 MediaKeys::MessageType message_type, | |
| 312 const std::vector<uint8_t>& message) { | |
| 313 Send(new CdmMsg_SessionMessage(render_frame_id, cdm_id, session_id, | |
| 314 message_type, message)); | |
| 315 } | |
| 316 | |
| 317 void BrowserCdmManager::OnSessionClosed(int render_frame_id, | |
| 318 int cdm_id, | |
| 319 const std::string& session_id) { | |
| 320 Send(new CdmMsg_SessionClosed(render_frame_id, cdm_id, session_id)); | |
| 321 } | |
| 322 | |
| 323 void BrowserCdmManager::OnSessionKeysChange(int render_frame_id, | |
| 324 int cdm_id, | |
| 325 const std::string& session_id, | |
| 326 bool has_additional_usable_key, | |
| 327 media::CdmKeysInfo keys_info) { | |
| 328 std::vector<media::CdmKeyInformation> key_info_vector; | |
| 329 for (auto* key_info : keys_info) | |
| 330 key_info_vector.push_back(*key_info); | |
| 331 Send(new CdmMsg_SessionKeysChange(render_frame_id, cdm_id, session_id, | |
| 332 has_additional_usable_key, | |
| 333 key_info_vector)); | |
| 334 } | |
| 335 | |
| 336 void BrowserCdmManager::OnSessionExpirationUpdate( | |
| 337 int render_frame_id, | |
| 338 int cdm_id, | |
| 339 const std::string& session_id, | |
| 340 const base::Time& new_expiry_time) { | |
| 341 Send(new CdmMsg_SessionExpirationUpdate(render_frame_id, cdm_id, session_id, | |
| 342 new_expiry_time)); | |
| 343 } | |
| 344 | |
| 345 // Use a weak pointer here instead of |this| to avoid circular references. | |
| 346 #define BROWSER_CDM_MANAGER_CB(func, ...) \ | |
| 347 base::Bind(&BrowserCdmManager::func, weak_ptr_factory_.GetWeakPtr(), \ | |
| 348 render_frame_id, cdm_id, ##__VA_ARGS__) | |
| 349 | |
| 350 void BrowserCdmManager::OnInitializeCdm( | |
| 351 int render_frame_id, | |
| 352 int cdm_id, | |
| 353 uint32_t promise_id, | |
| 354 const CdmHostMsg_InitializeCdm_Params& params) { | |
| 355 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 356 DCHECK(!GetCdm(render_frame_id, cdm_id)); | |
| 357 | |
| 358 std::unique_ptr<SimplePromise> promise(new SimplePromise( | |
| 359 weak_ptr_factory_.GetWeakPtr(), render_frame_id, cdm_id, promise_id)); | |
| 360 | |
| 361 if (params.key_system.size() > media::limits::kMaxKeySystemLength) { | |
| 362 NOTREACHED() << "Invalid key system: " << params.key_system; | |
| 363 promise->reject(MediaKeys::INVALID_ACCESS_ERROR, 0, "Invalid key system."); | |
| 364 return; | |
| 365 } | |
| 366 | |
| 367 if (!GetCdmFactory()) { | |
| 368 NOTREACHED() << "CDM not supported."; | |
| 369 promise->reject(MediaKeys::INVALID_ACCESS_ERROR, 0, "CDM not supported."); | |
| 370 return; | |
| 371 } | |
| 372 | |
| 373 // The render process makes sure |allow_distinctive_identifier| and | |
| 374 // |allow_persistent_state| are true. See RenderCdmFactory::Create(). | |
| 375 // TODO(xhwang): Pass |allow_distinctive_identifier| and | |
| 376 // |allow_persistent_state| from the render process. | |
| 377 media::CdmConfig cdm_config; | |
| 378 cdm_config.allow_distinctive_identifier = true; | |
| 379 cdm_config.allow_persistent_state = true; | |
| 380 cdm_config.use_hw_secure_codecs = params.use_hw_secure_codecs; | |
| 381 | |
| 382 GetCdmFactory()->Create( | |
| 383 params.key_system, params.security_origin, cdm_config, | |
| 384 BROWSER_CDM_MANAGER_CB(OnSessionMessage), | |
| 385 BROWSER_CDM_MANAGER_CB(OnSessionClosed), | |
| 386 BROWSER_CDM_MANAGER_CB(OnSessionKeysChange), | |
| 387 BROWSER_CDM_MANAGER_CB(OnSessionExpirationUpdate), | |
| 388 BROWSER_CDM_MANAGER_CB(OnCdmCreated, params.security_origin, | |
| 389 base::Passed(&promise))); | |
| 390 } | |
| 391 | |
| 392 void BrowserCdmManager::OnSetServerCertificate( | |
| 393 int render_frame_id, | |
| 394 int cdm_id, | |
| 395 uint32_t promise_id, | |
| 396 const std::vector<uint8_t>& certificate) { | |
| 397 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 398 | |
| 399 std::unique_ptr<SimplePromise> promise(new SimplePromise( | |
| 400 weak_ptr_factory_.GetWeakPtr(), render_frame_id, cdm_id, promise_id)); | |
| 401 | |
| 402 scoped_refptr<MediaKeys> cdm = GetCdm(render_frame_id, cdm_id); | |
| 403 if (!cdm) { | |
| 404 promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, "CDM not found."); | |
| 405 return; | |
| 406 } | |
| 407 | |
| 408 if (certificate.empty()) { | |
| 409 promise->reject(MediaKeys::INVALID_ACCESS_ERROR, 0, "Empty certificate."); | |
| 410 return; | |
| 411 } | |
| 412 | |
| 413 cdm->SetServerCertificate(certificate, std::move(promise)); | |
| 414 } | |
| 415 | |
| 416 void BrowserCdmManager::OnCreateSessionAndGenerateRequest( | |
| 417 const CdmHostMsg_CreateSessionAndGenerateRequest_Params& params) { | |
| 418 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 419 | |
| 420 int render_frame_id = params.render_frame_id; | |
| 421 int cdm_id = params.cdm_id; | |
| 422 const std::vector<uint8_t>& init_data = params.init_data; | |
| 423 std::unique_ptr<NewSessionPromise> promise( | |
| 424 new NewSessionPromise(weak_ptr_factory_.GetWeakPtr(), render_frame_id, | |
| 425 cdm_id, params.promise_id)); | |
| 426 | |
| 427 if (init_data.size() > media::limits::kMaxInitDataLength) { | |
| 428 LOG(WARNING) << "InitData for ID: " << cdm_id | |
| 429 << " too long: " << init_data.size(); | |
| 430 promise->reject(MediaKeys::INVALID_ACCESS_ERROR, 0, "Init data too long."); | |
| 431 return; | |
| 432 } | |
| 433 #if defined(OS_ANDROID) | |
| 434 // 'webm' initData is a single key ID. On Android the length is restricted. | |
| 435 if (params.init_data_type == INIT_DATA_TYPE_WEBM && | |
| 436 init_data.size() != kAndroidKeyIdBytes) { | |
| 437 promise->reject(MediaKeys::INVALID_ACCESS_ERROR, 0, | |
| 438 "'webm' initData is not the correct length."); | |
| 439 return; | |
| 440 } | |
| 441 #endif | |
| 442 | |
| 443 media::EmeInitDataType eme_init_data_type; | |
| 444 switch (params.init_data_type) { | |
| 445 case INIT_DATA_TYPE_WEBM: | |
| 446 eme_init_data_type = media::EmeInitDataType::WEBM; | |
| 447 break; | |
| 448 #if defined(USE_PROPRIETARY_CODECS) | |
| 449 case INIT_DATA_TYPE_CENC: | |
| 450 eme_init_data_type = media::EmeInitDataType::CENC; | |
| 451 break; | |
| 452 #endif | |
| 453 default: | |
| 454 NOTREACHED(); | |
| 455 promise->reject(MediaKeys::INVALID_ACCESS_ERROR, 0, | |
| 456 "Invalid init data type."); | |
| 457 return; | |
| 458 } | |
| 459 | |
| 460 scoped_refptr<MediaKeys> cdm = GetCdm(render_frame_id, cdm_id); | |
| 461 if (!cdm) { | |
| 462 DLOG(WARNING) << "No CDM found for: " << render_frame_id << ", " << cdm_id; | |
| 463 promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, "CDM not found."); | |
| 464 return; | |
| 465 } | |
| 466 | |
| 467 CheckPermissionStatus( | |
| 468 render_frame_id, cdm_id, | |
| 469 base::Bind(&BrowserCdmManager::CreateSessionAndGenerateRequestIfPermitted, | |
| 470 this, render_frame_id, cdm_id, params.session_type, | |
| 471 eme_init_data_type, init_data, base::Passed(&promise))); | |
| 472 } | |
| 473 | |
| 474 void BrowserCdmManager::OnLoadSession( | |
| 475 int render_frame_id, | |
| 476 int cdm_id, | |
| 477 uint32_t promise_id, | |
| 478 media::MediaKeys::SessionType session_type, | |
| 479 const std::string& session_id) { | |
| 480 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 481 | |
| 482 std::unique_ptr<NewSessionPromise> promise(new NewSessionPromise( | |
| 483 weak_ptr_factory_.GetWeakPtr(), render_frame_id, cdm_id, promise_id)); | |
| 484 | |
| 485 scoped_refptr<MediaKeys> cdm = GetCdm(render_frame_id, cdm_id); | |
| 486 if (!cdm) { | |
| 487 DLOG(WARNING) << "No CDM found for: " << render_frame_id << ", " << cdm_id; | |
| 488 promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, "CDM not found."); | |
| 489 return; | |
| 490 } | |
| 491 | |
| 492 CheckPermissionStatus( | |
| 493 render_frame_id, cdm_id, | |
| 494 base::Bind(&BrowserCdmManager::LoadSessionIfPermitted, | |
| 495 this, render_frame_id, cdm_id, session_type, | |
| 496 session_id, base::Passed(&promise))); | |
| 497 } | |
| 498 | |
| 499 void BrowserCdmManager::OnUpdateSession(int render_frame_id, | |
| 500 int cdm_id, | |
| 501 uint32_t promise_id, | |
| 502 const std::string& session_id, | |
| 503 const std::vector<uint8_t>& response) { | |
| 504 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 505 | |
| 506 std::unique_ptr<SimplePromise> promise(new SimplePromise( | |
| 507 weak_ptr_factory_.GetWeakPtr(), render_frame_id, cdm_id, promise_id)); | |
| 508 | |
| 509 scoped_refptr<MediaKeys> cdm = GetCdm(render_frame_id, cdm_id); | |
| 510 if (!cdm) { | |
| 511 promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, "CDM not found."); | |
| 512 return; | |
| 513 } | |
| 514 | |
| 515 if (response.size() > media::limits::kMaxSessionResponseLength) { | |
| 516 LOG(WARNING) << "Response for ID " << cdm_id | |
| 517 << " is too long: " << response.size(); | |
| 518 promise->reject(MediaKeys::INVALID_ACCESS_ERROR, 0, "Response too long."); | |
| 519 return; | |
| 520 } | |
| 521 | |
| 522 if (response.empty()) { | |
| 523 promise->reject(MediaKeys::INVALID_ACCESS_ERROR, 0, "Response is empty."); | |
| 524 return; | |
| 525 } | |
| 526 | |
| 527 cdm->UpdateSession(session_id, response, std::move(promise)); | |
| 528 } | |
| 529 | |
| 530 void BrowserCdmManager::OnCloseSession(int render_frame_id, | |
| 531 int cdm_id, | |
| 532 uint32_t promise_id, | |
| 533 const std::string& session_id) { | |
| 534 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 535 | |
| 536 std::unique_ptr<SimplePromise> promise(new SimplePromise( | |
| 537 weak_ptr_factory_.GetWeakPtr(), render_frame_id, cdm_id, promise_id)); | |
| 538 | |
| 539 scoped_refptr<MediaKeys> cdm = GetCdm(render_frame_id, cdm_id); | |
| 540 if (!cdm) { | |
| 541 promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, "CDM not found."); | |
| 542 return; | |
| 543 } | |
| 544 | |
| 545 cdm->CloseSession(session_id, std::move(promise)); | |
| 546 } | |
| 547 | |
| 548 void BrowserCdmManager::OnRemoveSession(int render_frame_id, | |
| 549 int cdm_id, | |
| 550 uint32_t promise_id, | |
| 551 const std::string& session_id) { | |
| 552 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 553 | |
| 554 std::unique_ptr<SimplePromise> promise(new SimplePromise( | |
| 555 weak_ptr_factory_.GetWeakPtr(), render_frame_id, cdm_id, promise_id)); | |
| 556 | |
| 557 scoped_refptr<MediaKeys> cdm = GetCdm(render_frame_id, cdm_id); | |
| 558 if (!cdm) { | |
| 559 promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, "CDM not found."); | |
| 560 return; | |
| 561 } | |
| 562 | |
| 563 cdm->RemoveSession(session_id, std::move(promise)); | |
| 564 } | |
| 565 | |
| 566 void BrowserCdmManager::OnDestroyCdm(int render_frame_id, int cdm_id) { | |
| 567 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 568 RemoveCdm(GetId(render_frame_id, cdm_id)); | |
| 569 } | |
| 570 | |
| 571 void BrowserCdmManager::OnCdmCreated( | |
| 572 int render_frame_id, | |
| 573 int cdm_id, | |
| 574 const GURL& security_origin, | |
| 575 std::unique_ptr<media::SimpleCdmPromise> promise, | |
| 576 const scoped_refptr<media::MediaKeys>& cdm, | |
| 577 const std::string& error_message) { | |
| 578 if (!cdm) { | |
| 579 DVLOG(1) << "Failed to create CDM: " << error_message; | |
| 580 promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, error_message); | |
| 581 return; | |
| 582 } | |
| 583 | |
| 584 uint64_t id = GetId(render_frame_id, cdm_id); | |
| 585 cdm_map_[id] = cdm; | |
| 586 cdm_security_origin_map_[id] = security_origin; | |
| 587 promise->resolve(); | |
| 588 } | |
| 589 | |
| 590 void BrowserCdmManager::RemoveAllCdmForFrame(int render_frame_id) { | |
| 591 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 592 | |
| 593 std::vector<uint64_t> ids_to_remove; | |
| 594 for (const auto& entry : cdm_map_) { | |
| 595 if (IdBelongsToFrame(entry.first, render_frame_id)) | |
| 596 ids_to_remove.push_back(entry.first); | |
| 597 } | |
| 598 | |
| 599 for (const auto& id_to_remove : ids_to_remove) | |
| 600 RemoveCdm(id_to_remove); | |
| 601 } | |
| 602 | |
| 603 void BrowserCdmManager::RemoveCdm(uint64_t id) { | |
| 604 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 605 | |
| 606 cdm_map_.erase(id); | |
| 607 cdm_security_origin_map_.erase(id); | |
| 608 } | |
| 609 | |
| 610 void BrowserCdmManager::CheckPermissionStatus( | |
| 611 int render_frame_id, | |
| 612 int cdm_id, | |
| 613 const PermissionStatusCB& permission_status_cb) { | |
| 614 // Always called on |task_runner_|, which may not be on the UI thread. | |
| 615 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 616 | |
| 617 GURL security_origin; | |
| 618 std::map<uint64_t, GURL>::const_iterator iter = | |
| 619 cdm_security_origin_map_.find(GetId(render_frame_id, cdm_id)); | |
| 620 DCHECK(iter != cdm_security_origin_map_.end()); | |
| 621 if (iter != cdm_security_origin_map_.end()) | |
| 622 security_origin = iter->second; | |
| 623 | |
| 624 if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { | |
| 625 BrowserThread::PostTask( | |
| 626 BrowserThread::UI, FROM_HERE, | |
| 627 base::Bind(&BrowserCdmManager::CheckPermissionStatusOnUIThread, this, | |
| 628 render_frame_id, security_origin, permission_status_cb)); | |
| 629 } else { | |
| 630 CheckPermissionStatusOnUIThread(render_frame_id, security_origin, | |
| 631 permission_status_cb); | |
| 632 } | |
| 633 } | |
| 634 | |
| 635 // Note: This function runs on the UI thread, which may be different from | |
| 636 // |task_runner_|. Be careful about thread safety! | |
| 637 void BrowserCdmManager::CheckPermissionStatusOnUIThread( | |
| 638 int render_frame_id, | |
| 639 const GURL& security_origin, | |
| 640 const base::Callback<void(bool)>& permission_status_cb) { | |
| 641 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 642 | |
| 643 RenderFrameHost* rfh = | |
| 644 RenderFrameHost::FromID(render_process_id_, render_frame_id); | |
| 645 WebContents* web_contents = WebContents::FromRenderFrameHost(rfh); | |
| 646 PermissionManager* permission_manager = | |
| 647 web_contents->GetBrowserContext()->GetPermissionManager(); | |
| 648 if (!permission_manager) { | |
| 649 permission_status_cb.Run(false); | |
| 650 return; | |
| 651 } | |
| 652 | |
| 653 blink::mojom::PermissionStatus permission_status = | |
| 654 permission_manager->GetPermissionStatus( | |
| 655 PermissionType::PROTECTED_MEDIA_IDENTIFIER, security_origin, | |
| 656 web_contents->GetLastCommittedURL().GetOrigin()); | |
| 657 | |
| 658 bool allowed = (permission_status == blink::mojom::PermissionStatus::GRANTED); | |
| 659 if (!task_runner_->RunsTasksOnCurrentThread()) { | |
| 660 task_runner_->PostTask(FROM_HERE, | |
| 661 base::Bind(permission_status_cb, allowed)); | |
| 662 } else { | |
| 663 permission_status_cb.Run(allowed); | |
| 664 } | |
| 665 } | |
| 666 | |
| 667 void BrowserCdmManager::CreateSessionAndGenerateRequestIfPermitted( | |
| 668 int render_frame_id, | |
| 669 int cdm_id, | |
| 670 media::MediaKeys::SessionType session_type, | |
| 671 media::EmeInitDataType init_data_type, | |
| 672 const std::vector<uint8_t>& init_data, | |
| 673 std::unique_ptr<media::NewSessionCdmPromise> promise, | |
| 674 bool permission_was_allowed) { | |
| 675 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 676 | |
| 677 if (!permission_was_allowed) { | |
| 678 promise->reject(MediaKeys::NOT_SUPPORTED_ERROR, 0, "Permission denied."); | |
| 679 return; | |
| 680 } | |
| 681 | |
| 682 scoped_refptr<MediaKeys> cdm = GetCdm(render_frame_id, cdm_id); | |
| 683 if (!cdm) { | |
| 684 promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, "CDM not found."); | |
| 685 return; | |
| 686 } | |
| 687 | |
| 688 cdm->CreateSessionAndGenerateRequest(session_type, init_data_type, init_data, | |
| 689 std::move(promise)); | |
| 690 } | |
| 691 | |
| 692 void BrowserCdmManager::LoadSessionIfPermitted( | |
| 693 int render_frame_id, | |
| 694 int cdm_id, | |
| 695 media::MediaKeys::SessionType session_type, | |
| 696 const std::string& session_id, | |
| 697 std::unique_ptr<media::NewSessionCdmPromise> promise, | |
| 698 bool permission_was_allowed) { | |
| 699 DCHECK_NE(media::MediaKeys::SessionType::TEMPORARY_SESSION, session_type); | |
| 700 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
| 701 | |
| 702 if (!permission_was_allowed) { | |
| 703 promise->reject(MediaKeys::NOT_SUPPORTED_ERROR, 0, "Permission denied."); | |
| 704 return; | |
| 705 } | |
| 706 | |
| 707 scoped_refptr<MediaKeys> cdm = GetCdm(render_frame_id, cdm_id); | |
| 708 if (!cdm) { | |
| 709 promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, "CDM not found."); | |
| 710 return; | |
| 711 } | |
| 712 | |
| 713 cdm->LoadSession(session_type, session_id, std::move(promise)); | |
| 714 } | |
| 715 | |
| 716 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2380743004:
media: Remove Browser CDM implementation (Closed)
