1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef __IDRM_MANAGER_SERVICE_H__ 18 #define __IDRM_MANAGER_SERVICE_H__ 19 20 #include <utils/RefBase.h> 21 #include <binder/IInterface.h> 22 #include <binder/Parcel.h> 23 #include <drm/drm_framework_common.h> 24 #include "IDrmServiceListener.h" 25 26 namespace android { 27 28 class DrmConstraints; 29 class DrmMetadata; 30 class DrmRights; 31 class DrmInfo; 32 class DrmInfoStatus; 33 class DrmInfoRequest; 34 class DrmSupportInfo; 35 class DrmConvertedStatus; 36 class String8; 37 class ActionDescription; 38 39 /** 40 * This is the interface class for DRM Manager service. 41 * 42 */ 43 class IDrmManagerService : public IInterface 44 { 45 public: 46 enum { 47 ADD_UNIQUEID = IBinder::FIRST_CALL_TRANSACTION, 48 REMOVE_UNIQUEID, 49 ADD_CLIENT, 50 REMOVE_CLIENT, 51 SET_DRM_SERVICE_LISTENER, 52 INSTALL_DRM_ENGINE, 53 GET_CONSTRAINTS_FROM_CONTENT, 54 GET_METADATA_FROM_CONTENT, 55 CAN_HANDLE, 56 PROCESS_DRM_INFO, 57 ACQUIRE_DRM_INFO, 58 SAVE_RIGHTS, 59 GET_ORIGINAL_MIMETYPE, 60 GET_DRM_OBJECT_TYPE, 61 CHECK_RIGHTS_STATUS, 62 CONSUME_RIGHTS, 63 SET_PLAYBACK_STATUS, 64 VALIDATE_ACTION, 65 REMOVE_RIGHTS, 66 REMOVE_ALL_RIGHTS, 67 OPEN_CONVERT_SESSION, 68 CONVERT_DATA, 69 CLOSE_CONVERT_SESSION, 70 GET_ALL_SUPPORT_INFO, 71 OPEN_DECRYPT_SESSION, 72 OPEN_DECRYPT_SESSION_FROM_URI, 73 OPEN_DECRYPT_SESSION_FOR_STREAMING, 74 CLOSE_DECRYPT_SESSION, 75 INITIALIZE_DECRYPT_UNIT, 76 DECRYPT, 77 FINALIZE_DECRYPT_UNIT, 78 PREAD 79 }; 80 81 public: 82 DECLARE_META_INTERFACE(DrmManagerService); 83 84 public: 85 virtual int addUniqueId(bool isNative) = 0; 86 87 virtual void removeUniqueId(int uniqueId) = 0; 88 89 virtual void addClient(int uniqueId) = 0; 90 91 virtual void removeClient(int uniqueId) = 0; 92 93 virtual status_t setDrmServiceListener( 94 int uniqueId, const sp<IDrmServiceListener>& infoListener) = 0; 95 96 virtual status_t installDrmEngine(int uniqueId, const String8& drmEngineFile) = 0; 97 98 virtual DrmConstraints* getConstraints( 99 int uniqueId, const String8* path, const int action) = 0; 100 101 virtual DrmMetadata* getMetadata(int uniqueId, const String8* path) = 0; 102 103 virtual bool canHandle(int uniqueId, const String8& path, const String8& mimeType) = 0; 104 105 virtual DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo) = 0; 106 107 virtual DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest) = 0; 108 109 virtual status_t saveRights(int uniqueId, const DrmRights& drmRights, 110 const String8& rightsPath, const String8& contentPath) = 0; 111 112 virtual String8 getOriginalMimeType(int uniqueId, const String8& path, int fd) = 0; 113 114 virtual int getDrmObjectType( 115 int uniqueId, const String8& path, const String8& mimeType) = 0; 116 117 virtual int checkRightsStatus(int uniqueId, const String8& path, int action) = 0; 118 119 virtual status_t consumeRights( 120 int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) = 0; 121 122 virtual status_t setPlaybackStatus( 123 int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) = 0; 124 125 virtual bool validateAction( 126 int uniqueId, const String8& path, 127 int action, const ActionDescription& description) = 0; 128 129 virtual status_t removeRights(int uniqueId, const String8& path) = 0; 130 131 virtual status_t removeAllRights(int uniqueId) = 0; 132 133 virtual int openConvertSession(int uniqueId, const String8& mimeType) = 0; 134 135 virtual DrmConvertedStatus* convertData( 136 int uniqueId, int convertId, const DrmBuffer* inputData) = 0; 137 138 virtual DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId) = 0; 139 140 virtual status_t getAllSupportInfo( 141 int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) = 0; 142 143 virtual DecryptHandle* openDecryptSession( 144 int uniqueId, int fd, off64_t offset, 145 off64_t length, const char* mime) = 0; 146 147 virtual DecryptHandle* openDecryptSession( 148 int uniqueId, const char* uri, const char* mime) = 0; 149 150 virtual DecryptHandle* openDecryptSession( 151 int uniqueId, const DrmBuffer& buf, const String8& mimeType) = 0; 152 153 virtual status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) = 0; 154 155 virtual status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, 156 int decryptUnitId, const DrmBuffer* headerInfo) = 0; 157 158 virtual status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, 159 const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV) = 0; 160 161 virtual status_t finalizeDecryptUnit( 162 int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) = 0; 163 164 virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle, 165 void* buffer, ssize_t numBytes,off64_t offset) = 0; 166 }; 167 168 /** 169 * This is the Binder implementation class for DRM Manager service. 170 */ 171 class BpDrmManagerService: public BpInterface<IDrmManagerService> 172 { 173 public: BpDrmManagerService(const sp<IBinder> & impl)174 BpDrmManagerService(const sp<IBinder>& impl) 175 : BpInterface<IDrmManagerService>(impl) {} 176 177 virtual int addUniqueId(bool isNative); 178 179 virtual void removeUniqueId(int uniqueId); 180 181 virtual void addClient(int uniqueId); 182 183 virtual void removeClient(int uniqueId); 184 185 virtual status_t setDrmServiceListener( 186 int uniqueId, const sp<IDrmServiceListener>& infoListener); 187 188 virtual status_t installDrmEngine(int uniqueId, const String8& drmEngineFile); 189 190 virtual DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action); 191 192 virtual DrmMetadata* getMetadata(int uniqueId, const String8* path); 193 194 virtual bool canHandle(int uniqueId, const String8& path, const String8& mimeType); 195 196 virtual DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo); 197 198 virtual DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest); 199 200 virtual status_t saveRights(int uniqueId, const DrmRights& drmRights, 201 const String8& rightsPath, const String8& contentPath); 202 203 virtual String8 getOriginalMimeType(int uniqueId, const String8& path, int fd); 204 205 virtual int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType); 206 207 virtual int checkRightsStatus(int uniqueId, const String8& path, int action); 208 209 virtual status_t consumeRights( 210 int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve); 211 212 virtual status_t setPlaybackStatus( 213 int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position); 214 215 virtual bool validateAction( 216 int uniqueId, const String8& path, int action, const ActionDescription& description); 217 218 virtual status_t removeRights(int uniqueId, const String8& path); 219 220 virtual status_t removeAllRights(int uniqueId); 221 222 virtual int openConvertSession(int uniqueId, const String8& mimeType); 223 224 virtual DrmConvertedStatus* convertData( 225 int uniqueId, int convertId, const DrmBuffer* inputData); 226 227 virtual DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId); 228 229 virtual status_t getAllSupportInfo( 230 int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray); 231 232 virtual DecryptHandle* openDecryptSession( 233 int uniqueId, int fd, off64_t offset, off64_t length, 234 const char* mime); 235 236 virtual DecryptHandle* openDecryptSession( 237 int uniqueId, const char* uri, const char* mime); 238 239 virtual DecryptHandle* openDecryptSession( 240 int uniqueId, const DrmBuffer& buf, const String8& mimeType); 241 242 virtual status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle); 243 244 virtual status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, 245 int decryptUnitId, const DrmBuffer* headerInfo); 246 247 virtual status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, 248 const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV); 249 250 virtual status_t finalizeDecryptUnit( 251 int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId); 252 253 virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle, 254 void* buffer, ssize_t numBytes, off64_t offset); 255 }; 256 257 /** 258 * This is the Binder implementation class for DRM Manager service. 259 */ 260 class BnDrmManagerService: public BnInterface<IDrmManagerService> 261 { 262 public: 263 virtual status_t onTransact( 264 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags = 0); 265 }; 266 267 }; 268 269 #endif /* __IDRM_MANAGER_SERVICE_H__ */ 270 271