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 CLOSE_DECRYPT_SESSION, 74 INITIALIZE_DECRYPT_UNIT, 75 DECRYPT, 76 FINALIZE_DECRYPT_UNIT, 77 PREAD 78 }; 79 80 public: 81 DECLARE_META_INTERFACE(DrmManagerService); 82 83 public: 84 virtual int addUniqueId(bool isNative) = 0; 85 86 virtual void removeUniqueId(int uniqueId) = 0; 87 88 virtual void addClient(int uniqueId) = 0; 89 90 virtual void removeClient(int uniqueId) = 0; 91 92 virtual status_t setDrmServiceListener( 93 int uniqueId, const sp<IDrmServiceListener>& infoListener) = 0; 94 95 virtual status_t installDrmEngine(int uniqueId, const String8& drmEngineFile) = 0; 96 97 virtual DrmConstraints* getConstraints( 98 int uniqueId, const String8* path, const int action) = 0; 99 100 virtual DrmMetadata* getMetadata(int uniqueId, const String8* path) = 0; 101 102 virtual bool canHandle(int uniqueId, const String8& path, const String8& mimeType) = 0; 103 104 virtual DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo) = 0; 105 106 virtual DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest) = 0; 107 108 virtual status_t saveRights(int uniqueId, const DrmRights& drmRights, 109 const String8& rightsPath, const String8& contentPath) = 0; 110 111 virtual String8 getOriginalMimeType(int uniqueId, const String8& path) = 0; 112 113 virtual int getDrmObjectType( 114 int uniqueId, const String8& path, const String8& mimeType) = 0; 115 116 virtual int checkRightsStatus(int uniqueId, const String8& path, int action) = 0; 117 118 virtual status_t consumeRights( 119 int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) = 0; 120 121 virtual status_t setPlaybackStatus( 122 int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) = 0; 123 124 virtual bool validateAction( 125 int uniqueId, const String8& path, 126 int action, const ActionDescription& description) = 0; 127 128 virtual status_t removeRights(int uniqueId, const String8& path) = 0; 129 130 virtual status_t removeAllRights(int uniqueId) = 0; 131 132 virtual int openConvertSession(int uniqueId, const String8& mimeType) = 0; 133 134 virtual DrmConvertedStatus* convertData( 135 int uniqueId, int convertId, const DrmBuffer* inputData) = 0; 136 137 virtual DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId) = 0; 138 139 virtual status_t getAllSupportInfo( 140 int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) = 0; 141 142 virtual DecryptHandle* openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length) = 0; 143 144 virtual DecryptHandle* openDecryptSession(int uniqueId, const char* uri) = 0; 145 146 virtual status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) = 0; 147 148 virtual status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, 149 int decryptUnitId, const DrmBuffer* headerInfo) = 0; 150 151 virtual status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, 152 const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV) = 0; 153 154 virtual status_t finalizeDecryptUnit( 155 int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) = 0; 156 157 virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle, 158 void* buffer, ssize_t numBytes,off64_t offset) = 0; 159 }; 160 161 /** 162 * This is the Binder implementation class for DRM Manager service. 163 */ 164 class BpDrmManagerService: public BpInterface<IDrmManagerService> 165 { 166 public: BpDrmManagerService(const sp<IBinder> & impl)167 BpDrmManagerService(const sp<IBinder>& impl) 168 : BpInterface<IDrmManagerService>(impl) {} 169 170 virtual int addUniqueId(bool isNative); 171 172 virtual void removeUniqueId(int uniqueId); 173 174 virtual void addClient(int uniqueId); 175 176 virtual void removeClient(int uniqueId); 177 178 virtual status_t setDrmServiceListener( 179 int uniqueId, const sp<IDrmServiceListener>& infoListener); 180 181 virtual status_t installDrmEngine(int uniqueId, const String8& drmEngineFile); 182 183 virtual DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action); 184 185 virtual DrmMetadata* getMetadata(int uniqueId, const String8* path); 186 187 virtual bool canHandle(int uniqueId, const String8& path, const String8& mimeType); 188 189 virtual DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo); 190 191 virtual DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest); 192 193 virtual status_t saveRights(int uniqueId, const DrmRights& drmRights, 194 const String8& rightsPath, const String8& contentPath); 195 196 virtual String8 getOriginalMimeType(int uniqueId, const String8& path); 197 198 virtual int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType); 199 200 virtual int checkRightsStatus(int uniqueId, const String8& path, int action); 201 202 virtual status_t consumeRights( 203 int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve); 204 205 virtual status_t setPlaybackStatus( 206 int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position); 207 208 virtual bool validateAction( 209 int uniqueId, const String8& path, int action, const ActionDescription& description); 210 211 virtual status_t removeRights(int uniqueId, const String8& path); 212 213 virtual status_t removeAllRights(int uniqueId); 214 215 virtual int openConvertSession(int uniqueId, const String8& mimeType); 216 217 virtual DrmConvertedStatus* convertData( 218 int uniqueId, int convertId, const DrmBuffer* inputData); 219 220 virtual DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId); 221 222 virtual status_t getAllSupportInfo( 223 int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray); 224 225 virtual DecryptHandle* openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length); 226 227 virtual DecryptHandle* openDecryptSession(int uniqueId, const char* uri); 228 229 virtual status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle); 230 231 virtual status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, 232 int decryptUnitId, const DrmBuffer* headerInfo); 233 234 virtual status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, 235 const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV); 236 237 virtual status_t finalizeDecryptUnit( 238 int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId); 239 240 virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle, 241 void* buffer, ssize_t numBytes, off64_t offset); 242 }; 243 244 /** 245 * This is the Binder implementation class for DRM Manager service. 246 */ 247 class BnDrmManagerService: public BnInterface<IDrmManagerService> 248 { 249 public: 250 virtual status_t onTransact( 251 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags = 0); 252 }; 253 254 }; 255 256 #endif /* __IDRM_MANAGER_SERVICE_H__ */ 257 258