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| 1 // Copyright 2015 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/files/file_path.h" | |
| 7 #include "base/files/file_util.h" | |
| 8 #include "base/logging.h" | |
| 9 #include "base/memory/scoped_ptr.h" | |
| 10 #include "base/path_service.h" | |
| 11 #include "base/run_loop.h" | |
| 12 #include "base/scoped_native_library.h" | |
| 13 #include "media/base/cdm_callback_promise.h" | |
| 14 #include "media/base/cdm_key_information.h" | |
| 15 #include "media/base/media_keys.h" | |
| 16 #include "media/cdm/api/content_decryption_module.h" | |
| 17 #include "media/cdm/cdm_adapter.h" | |
| 18 #include "testing/gmock/include/gmock/gmock.h" | |
| 19 #include "testing/gtest/include/gtest/gtest.h" | |
| 20 | |
| 21 using ::testing::_; | |
| 22 using ::testing::SaveArg; | |
| 23 MATCHER(IsNotEmpty, "") { | |
| 24 return !arg.empty(); | |
| 25 } | |
| 26 | |
| 27 // TODO(jrummell): These tests are a subset of those in aes_decryptor_unittest. | |
| 28 // Refactor aes_decryptor_unittest.cc to handle AesDecryptor directly and | |
| 29 // via CdmAdapter once CdmAdapter supports decrypting functionality. There | |
| 30 // will also be tests that only CdmAdapter supports, like file IO, which | |
| 31 // will need to be handled separately. | |
| 32 | |
| 33 namespace media { | |
| 34 | |
| 35 // INITIALIZE_CDM_MODULE is a macro in api/content_decryption_module.h. | |
| 36 // However, we need to pass it as a string to GetFunctionPointer() once it | |
| 37 // is expanded. | |
| 38 #define STRINGIFY(X) #X | |
| 39 #define MAKE_STRING(X) STRINGIFY(X) | |
| 40 | |
| 41 const char kExternalClearKeyKeySystem[] = "org.chromium.externalclearkey"; | |
| 42 | |
| 43 // File name of the External ClearKey CDM on different platforms. | |
| 44 const base::FilePath::CharType kExternalClearKeyCdmFileName[] = | |
| 45 #if defined(OS_MACOSX) | |
| 46 FILE_PATH_LITERAL("libclearkeycdm.dylib"); | |
| 47 #elif defined(OS_WIN) | |
| 48 FILE_PATH_LITERAL("clearkeycdm.dll"); | |
| 49 #else // OS_LINUX, etc. | |
| 50 FILE_PATH_LITERAL("libclearkeycdm.so"); | |
| 51 #endif | |
| 52 | |
| 53 // Random key ID used to create a session. | |
| 54 const uint8 kKeyId[] = { | |
| 55 // base64 equivalent is AQIDBAUGBwgJCgsMDQ4PEA | |
| 56 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, | |
| 57 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, | |
| 58 }; | |
| 59 | |
| 60 const char kKeyIdAsJWK[] = "{\"kids\": [\"AQIDBAUGBwgJCgsMDQ4PEA\"]}"; | |
| 61 | |
| 62 const uint8 kKeyIdAsPssh[] = { | |
| 63 0x00, 0x00, 0x00, 0x00, 'p', 's', 's', 'h', // size = 0 | |
| 64 0x01, // version = 1 | |
| 65 0x00, 0x00, 0x00, // flags | |
| 66 0x10, 0x77, 0xEF, 0xEC, 0xC0, 0xB2, 0x4D, 0x02, // Common SystemID | |
| 67 0xAC, 0xE3, 0x3C, 0x1E, 0x52, 0xE2, 0xFB, 0x4B, | |
| 68 0x00, 0x00, 0x00, 0x01, // key count | |
| 69 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, // key | |
| 70 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, | |
| 71 0x00, 0x00, 0x00, 0x00, // datasize | |
| 72 }; | |
| 73 | |
| 74 // Key is 0x0405060708090a0b0c0d0e0f10111213, | |
| 75 // base64 equivalent is BAUGBwgJCgsMDQ4PEBESEw. | |
| 76 const char kKeyAsJWK[] = | |
| 77 "{" | |
| 78 " \"keys\": [" | |
| 79 " {" | |
| 80 " \"kty\": \"oct\"," | |
| 81 " \"alg\": \"A128KW\"," | |
| 82 " \"kid\": \"AQIDBAUGBwgJCgsMDQ4PEA\"," | |
| 83 " \"k\": \"BAUGBwgJCgsMDQ4PEBESEw\"" | |
| 84 " }" | |
| 85 " ]," | |
| 86 " \"type\": \"temporary\"" | |
| 87 "}"; | |
| 88 | |
| 89 class CdmAdapterTest : public testing::Test { | |
| 90 public: | |
| 91 enum ExpectedResult { SUCCESS, FAILURE }; | |
| 92 | |
| 93 CdmAdapterTest() {} | |
| 94 ~CdmAdapterTest() override {} | |
| 95 | |
| 96 protected: | |
| 97 // Initializes the adapter. |expected_result| tests that the call succeeds | |
| 98 // or generates an error. | |
| 99 void InitializeAndExpect(base::FilePath library_path, | |
| 100 ExpectedResult expected_result) { | |
| 101 CdmConfig cdm_config; // default settings of false are sufficient. | |
| 102 | |
| 103 CdmAdapter::Create( | |
| 104 kExternalClearKeyKeySystem, library_path, cdm_config, | |
| 105 base::Bind(&CdmAdapterTest::OnSessionMessage, base::Unretained(this)), | |
| 106 base::Bind(&CdmAdapterTest::OnSessionClosed, base::Unretained(this)), | |
| 107 base::Bind(&CdmAdapterTest::OnLegacySessionError, | |
| 108 base::Unretained(this)), | |
| 109 base::Bind(&CdmAdapterTest::OnSessionKeysChange, | |
| 110 base::Unretained(this)), | |
| 111 base::Bind(&CdmAdapterTest::OnSessionExpirationUpdate, | |
| 112 base::Unretained(this)), | |
| 113 base::Bind(&CdmAdapterTest::OnCdmCreated, base::Unretained(this), | |
| 114 expected_result)); | |
| 115 RunUntilIdle(); | |
| 116 } | |
| 117 | |
| 118 // Creates a new session using |key_id|. |session_id_| will be set | |
| 119 // when the promise is resolved. |expected_result| tests that | |
| 120 // CreateSessionAndGenerateRequest() succeeds or generates an error. | |
| 121 void CreateSessionAndExpect(EmeInitDataType data_type, | |
| 122 const std::vector<uint8>& key_id, | |
| 123 ExpectedResult expected_result) { | |
| 124 DCHECK(!key_id.empty()); | |
| 125 | |
| 126 if (expected_result == SUCCESS) { | |
| 127 EXPECT_CALL(*this, | |
| 128 OnSessionMessage(IsNotEmpty(), _, _, GURL::EmptyGURL())); | |
| 129 } | |
| 130 | |
| 131 adapter_->CreateSessionAndGenerateRequest( | |
| 132 MediaKeys::TEMPORARY_SESSION, data_type, key_id, | |
| 133 CreateSessionPromise(expected_result)); | |
| 134 RunUntilIdle(); | |
| 135 } | |
| 136 | |
| 137 // Loads the session specified by |session_id|. |expected_result| tests | |
| 138 // that LoadSession() succeeds or generates an error. | |
| 139 void LoadSessionAndExpect(const std::string& session_id, | |
| 140 ExpectedResult expected_result) { | |
| 141 DCHECK(!session_id.empty()); | |
| 142 ASSERT_EQ(expected_result, FAILURE) << "LoadSession not supported."; | |
| 143 | |
| 144 adapter_->LoadSession(MediaKeys::TEMPORARY_SESSION, session_id, | |
| 145 CreateSessionPromise(expected_result)); | |
| 146 RunUntilIdle(); | |
| 147 } | |
| 148 | |
| 149 // Updates the session specified by |session_id| with |key|. |expected_result| | |
| 150 // tests that the update succeeds or generates an error. |new_key_expected| | |
| 151 // is the expected parameter when the SessionKeysChange event happens. | |
| 152 void UpdateSessionAndExpect(std::string session_id, | |
| 153 const std::string& key, | |
| 154 ExpectedResult expected_result, | |
| 155 bool new_key_expected) { | |
| 156 DCHECK(!key.empty()); | |
| 157 | |
| 158 if (expected_result == SUCCESS) { | |
| 159 EXPECT_CALL(*this, | |
| 160 OnSessionKeysChangeCalled(session_id, new_key_expected)); | |
| 161 } else { | |
| 162 EXPECT_CALL(*this, OnSessionKeysChangeCalled(_, _)).Times(0); | |
| 163 } | |
| 164 | |
| 165 adapter_->UpdateSession(session_id, | |
| 166 std::vector<uint8>(key.begin(), key.end()), | |
| 167 CreatePromise(expected_result)); | |
| 168 RunUntilIdle(); | |
| 169 } | |
| 170 | |
| 171 base::FilePath ExternalClearKeyLibrary() { return library_path_; } | |
| 172 | |
| 173 std::string SessionId() { return session_id_; } | |
| 174 | |
| 175 private: | |
| 176 void SetUp() override { | |
| 177 // Determine the location of the CDM. It is expected to be in the same | |
| 178 // directory as the current module. | |
| 179 base::FilePath current_module_dir; | |
| 180 ASSERT_TRUE(PathService::Get(base::DIR_MODULE, ¤t_module_dir)); | |
| 181 library_path_ = | |
| 182 current_module_dir.Append(base::FilePath(kExternalClearKeyCdmFileName)); | |
| 183 ASSERT_TRUE(base::PathExists(library_path_)) << library_path_.value(); | |
| 184 | |
| 185 // Now load the CDM library. | |
| 186 base::NativeLibraryLoadError error; | |
| 187 library_.Reset(base::LoadNativeLibrary(library_path_, &error)); | |
| 188 ASSERT_TRUE(library_.is_valid()) << error.ToString(); | |
| 189 | |
| 190 // Call INITIALIZE_CDM_MODULE() | |
| 191 typedef void (*InitializeCdmFunc)(); | |
| 192 InitializeCdmFunc initialize_cdm_func = reinterpret_cast<InitializeCdmFunc>( | |
| 193 library_.GetFunctionPointer(MAKE_STRING(INITIALIZE_CDM_MODULE))); | |
| 194 ASSERT_TRUE(initialize_cdm_func) << "No INITIALIZE_CDM_MODULE in library"; | |
| 195 initialize_cdm_func(); | |
| 196 } | |
| 197 | |
| 198 void TearDown() override { | |
| 199 // Call DeinitializeCdmModule() | |
| 200 typedef void (*DeinitializeCdmFunc)(); | |
| 201 DeinitializeCdmFunc deinitialize_cdm_func = | |
| 202 reinterpret_cast<DeinitializeCdmFunc>( | |
| 203 library_.GetFunctionPointer("DeinitializeCdmModule")); | |
| 204 ASSERT_TRUE(deinitialize_cdm_func) | |
| 205 << "No DeinitializeCdmModule() in library"; | |
| 206 deinitialize_cdm_func(); | |
| 207 } | |
| 208 | |
| 209 void OnCdmCreated(ExpectedResult expected_result, | |
| 210 const scoped_refptr<MediaKeys>& cdm, | |
| 211 const std::string& error_message) { | |
| 212 if (cdm) { | |
| 213 EXPECT_EQ(expected_result, SUCCESS) << "CDM should not have loaded."; | |
| 214 adapter_ = cdm; | |
| 215 } else { | |
| 216 EXPECT_EQ(expected_result, FAILURE) << error_message; | |
| 217 } | |
| 218 } | |
| 219 | |
| 220 // Create a promise. |expected_result| is used to indicate how the promise | |
| 221 // should be fulfilled. | |
| 222 scoped_ptr<SimpleCdmPromise> CreatePromise(ExpectedResult expected_result) { | |
| 223 if (expected_result == SUCCESS) { | |
| 224 EXPECT_CALL(*this, OnResolve()); | |
| 225 } else { | |
| 226 EXPECT_CALL(*this, OnReject(_, _, IsNotEmpty())); | |
| 227 } | |
| 228 | |
| 229 scoped_ptr<SimpleCdmPromise> promise(new CdmCallbackPromise<>( | |
| 230 base::Bind(&CdmAdapterTest::OnResolve, base::Unretained(this)), | |
| 231 base::Bind(&CdmAdapterTest::OnReject, base::Unretained(this)))); | |
| 232 return promise.Pass(); | |
| 233 } | |
| 234 | |
| 235 // Create a promise to be used when a new session is created. | |
| 236 // |expected_result| is used to indicate how the promise should be fulfilled. | |
| 237 scoped_ptr<NewSessionCdmPromise> CreateSessionPromise( | |
| 238 ExpectedResult expected_result) { | |
| 239 if (expected_result == SUCCESS) { | |
| 240 EXPECT_CALL(*this, OnResolveWithSession(_)) | |
| 241 .WillOnce(SaveArg<0>(&session_id_)); | |
| 242 } else { | |
| 243 EXPECT_CALL(*this, OnReject(_, _, IsNotEmpty())); | |
| 244 } | |
| 245 | |
| 246 scoped_ptr<NewSessionCdmPromise> promise( | |
| 247 new CdmCallbackPromise<std::string>( | |
| 248 base::Bind(&CdmAdapterTest::OnResolveWithSession, | |
| 249 base::Unretained(this)), | |
| 250 base::Bind(&CdmAdapterTest::OnReject, base::Unretained(this)))); | |
| 251 return promise.Pass(); | |
| 252 } | |
| 253 | |
| 254 void RunUntilIdle() { message_loop_.RunUntilIdle(); } | |
| 255 | |
| 256 // Methods used for promise resolved/rejected. | |
| 257 MOCK_METHOD0(OnResolve, void()); | |
| 258 MOCK_METHOD1(OnResolveWithSession, void(const std::string& session_id)); | |
| 259 MOCK_METHOD3(OnReject, | |
| 260 void(MediaKeys::Exception exception_code, | |
| 261 uint32 system_code, | |
| 262 const std::string& error_message)); | |
| 263 | |
| 264 // Methods used for the events possibly generated by CdmAdapater. | |
| 265 MOCK_METHOD4(OnSessionMessage, | |
| 266 void(const std::string& session_id, | |
| 267 MediaKeys::MessageType message_type, | |
| 268 const std::vector<uint8_t>& message, | |
| 269 const GURL& legacy_destination_url)); | |
| 270 MOCK_METHOD1(OnSessionClosed, void(const std::string& session_id)); | |
| 271 MOCK_METHOD4(OnLegacySessionError, | |
| 272 void(const std::string& session_id, | |
| 273 MediaKeys::Exception exception, | |
| 274 uint32_t system_code, | |
| 275 const std::string& error_message)); | |
| 276 MOCK_METHOD2(OnSessionKeysChangeCalled, | |
| 277 void(const std::string& session_id, | |
| 278 bool has_additional_usable_key)); | |
| 279 void OnSessionKeysChange(const std::string& session_id, | |
| 280 bool has_additional_usable_key, | |
| 281 CdmKeysInfo keys_info) { | |
| 282 // MOCK methods don't like CdmKeysInfo. | |
| 283 OnSessionKeysChangeCalled(session_id, has_additional_usable_key); | |
| 284 } | |
| 285 MOCK_METHOD2(OnSessionExpirationUpdate, | |
| 286 void(const std::string& session_id, | |
| 287 const base::Time& new_expiry_time)); | |
| 288 | |
| 289 // Keep a reference to the CDM. | |
| 290 base::FilePath library_path_; | |
| 291 base::ScopedNativeLibrary library_; | |
| 292 | |
| 293 scoped_refptr<MediaKeys> adapter_; | |
| 294 | |
| 295 // |session_id_| is the latest result of calling CreateSession(). | |
| 296 std::string session_id_; | |
| 297 | |
| 298 base::MessageLoop message_loop_; | |
| 299 | |
| 300 DISALLOW_COPY_AND_ASSIGN(CdmAdapterTest); | |
| 301 }; | |
| 302 | |
| 303 TEST_F(CdmAdapterTest, Initialize) { | |
| 304 InitializeAndExpect(ExternalClearKeyLibrary(), SUCCESS); | |
| 305 } | |
| 306 | |
| 307 TEST_F(CdmAdapterTest, BadLibraryPath) { | |
| 308 InitializeAndExpect(base::FilePath(FILE_PATH_LITERAL("no_library_here")), | |
| 309 FAILURE); | |
| 310 } | |
| 311 | |
| 312 TEST_F(CdmAdapterTest, CreateWebmSession) { | |
| 313 InitializeAndExpect(ExternalClearKeyLibrary(), SUCCESS); | |
| 314 | |
| 315 std::vector<uint8> key_id(kKeyId, kKeyId + arraysize(kKeyId)); | |
| 316 CreateSessionAndExpect(EmeInitDataType::WEBM, key_id, SUCCESS); | |
| 317 } | |
| 318 | |
| 319 TEST_F(CdmAdapterTest, CreateKeyIdsSession) { | |
| 320 InitializeAndExpect(ExternalClearKeyLibrary(), SUCCESS); | |
| 321 | |
| 322 // Don't include the trailing /0 from the string in the data passed in. | |
| 323 std::vector<uint8> key_id(kKeyIdAsJWK, | |
| 324 kKeyIdAsJWK + arraysize(kKeyIdAsJWK) - 1); | |
| 325 CreateSessionAndExpect(EmeInitDataType::KEYIDS, key_id, SUCCESS); | |
| 326 } | |
| 327 | |
| 328 TEST_F(CdmAdapterTest, CreateCencSession) { | |
| 329 InitializeAndExpect(ExternalClearKeyLibrary(), SUCCESS); | |
| 330 | |
| 331 std::vector<uint8> key_id(kKeyIdAsPssh, | |
| 332 kKeyIdAsPssh + arraysize(kKeyIdAsPssh)); | |
| 333 #if defined(USE_PROPRIETARY_CODECS) | |
| 334 CreateSessionAndExpect(EmeInitDataType::CENC, key_id, SUCCESS); | |
| 335 #else | |
| 336 CreateSessionAndExpect(EmeInitDataType::CENC, key_id, FAILURE); | |
| 337 #endif | |
| 338 } | |
| 339 | |
| 340 TEST_F(CdmAdapterTest, CreateSessionWithBadData) { | |
| 341 InitializeAndExpect(ExternalClearKeyLibrary(), SUCCESS); | |
| 342 | |
| 343 // Use |kKeyId| but specify KEYIDS format. | |
| 344 std::vector<uint8> key_id(kKeyId, kKeyId + arraysize(kKeyId)); | |
| 345 CreateSessionAndExpect(EmeInitDataType::KEYIDS, key_id, FAILURE); | |
| 346 } | |
| 347 | |
| 348 TEST_F(CdmAdapterTest, LoadSession) { | |
| 349 InitializeAndExpect(ExternalClearKeyLibrary(), SUCCESS); | |
| 350 | |
| 351 // LoadSession() is not supported by AesDecryptor. | |
| 352 std::vector<uint8> key_id(kKeyId, kKeyId + arraysize(kKeyId)); | |
| 353 CreateSessionAndExpect(EmeInitDataType::KEYIDS, key_id, FAILURE); | |
| 354 } | |
| 355 | |
| 356 TEST_F(CdmAdapterTest, UpdateSession) { | |
| 357 InitializeAndExpect(ExternalClearKeyLibrary(), SUCCESS); | |
| 358 | |
| 359 std::vector<uint8> key_id(kKeyId, kKeyId + arraysize(kKeyId)); | |
| 360 CreateSessionAndExpect(EmeInitDataType::WEBM, key_id, SUCCESS); | |
| 361 | |
| 362 UpdateSessionAndExpect(SessionId(), kKeyAsJWK, SUCCESS, true); | |
| 363 } | |
| 364 | |
| 365 TEST_F(CdmAdapterTest, UpdateSessionWithBadData) { | |
| 366 InitializeAndExpect(ExternalClearKeyLibrary(), SUCCESS); | |
| 367 | |
| 368 std::vector<uint8> key_id(kKeyId, kKeyId + arraysize(kKeyId)); | |
| 369 CreateSessionAndExpect(EmeInitDataType::WEBM, key_id, SUCCESS); | |
| 370 | |
| 371 UpdateSessionAndExpect(SessionId(), "random data", FAILURE, true); | |
| 372 } | |
| 373 | |
| 374 } // namespace media | |
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Chromium Code Reviews
Issue 1447943002:
Revert of Add unit tests for CdmAdapter (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master