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Diffstat (limited to 'drm/libdrmframework/include/DrmManagerClientImpl.h')
| -rw-r--r-- | drm/libdrmframework/include/DrmManagerClientImpl.h | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/drm/libdrmframework/include/DrmManagerClientImpl.h b/drm/libdrmframework/include/DrmManagerClientImpl.h deleted file mode 100644 index 2aa493f..0000000 --- a/drm/libdrmframework/include/DrmManagerClientImpl.h +++ /dev/null @@ -1,432 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef __DRM_MANAGER_CLIENT_IMPL_H__ -#define __DRM_MANAGER_CLIENT_IMPL_H__ - -#include <binder/IMemory.h> -#include <utils/threads.h> -#include <drm/DrmManagerClient.h> - -#include "IDrmManagerService.h" - -namespace android { - -class DrmInfoEvent; -/** - * This is implementation class for DrmManagerClient class. - * - * Only the JNI layer creates an instance of this class to delegate - * functionality to Native later. - * - */ -class DrmManagerClientImpl : public BnDrmServiceListener { -private: - DrmManagerClientImpl() { } - -public: - static DrmManagerClientImpl* create(int* pUniqueId, bool isNative); - - static void remove(int uniqueId); - - virtual ~DrmManagerClientImpl() { } - -public: - /** - * Adds the client respective to given unique id. - * - * @param[in] uniqueId Unique identifier for a session - */ - void addClient(int uniqueId); - - /** - * Removes the client respective to given unique id. - * - * @param[in] uniqueId Unique identifier for a session - */ - void removeClient(int uniqueId); - - /** - * Register a callback to be invoked when the caller required to - * receive necessary information - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] infoListener Listener - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t setOnInfoListener( - int uniqueId, const sp<DrmManagerClient::OnInfoListener>& infoListener); - - /** - * Get constraint information associated with input content - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] path Path of the protected content - * @param[in] action Actions defined such as, - * Action::DEFAULT, Action::PLAY, etc - * @return DrmConstraints - * key-value pairs of constraint are embedded in it - * @note - * In case of error, return NULL - */ - DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action); - - /** - * Get metadata information associated with input content. - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] path Path of the protected content - * @return DrmMetadata - * key-value pairs of metadata are embedded in it - * @note - * In case of error, return NULL - */ - DrmMetadata* getMetadata(int uniqueId, const String8* path); - - /** - * Check whether the given mimetype or path can be handled - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] path Path of the content needs to be handled - * @param[in] mimetype Mimetype of the content needs to be handled - * @return - * True if DrmManager can handle given path or mime type. - */ - bool canHandle(int uniqueId, const String8& path, const String8& mimeType); - - /** - * Executes given drm information based on its type - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] drmInfo Information needs to be processed - * @return DrmInfoStatus - * instance as a result of processing given input - */ - DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo); - - /** - * Retrieves necessary information for registration, unregistration or rights - * acquisition information. - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] drmInfoRequest Request information to retrieve drmInfo - * @return DrmInfo - * instance as a result of processing given input - */ - DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest); - - /** - * Save DRM rights to specified rights path - * and make association with content path - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] drmRights DrmRights to be saved - * @param[in] rightsPath File path where rights to be saved - * @param[in] contentPath File path where content was saved - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t saveRights(int uniqueId, const DrmRights& drmRights, - const String8& rightsPath, const String8& contentPath); - - /** - * Retrieves the mime type embedded inside the original content - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] path the path of the protected content - * @return String8 - * Returns mime-type of the original content, such as "video/mpeg" - */ - String8 getOriginalMimeType(int uniqueId, const String8& path); - - /** - * Retrieves the type of the protected object (content, rights, etc..) - * using specified path or mimetype. At least one parameter should be non null - * to retrieve DRM object type - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] path Path of the content or null. - * @param[in] mimeType Mime type of the content or null. - * @return type of the DRM content, - * such as DrmObjectType::CONTENT, DrmObjectType::RIGHTS_OBJECT - */ - int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType); - - /** - * Check whether the given content has valid rights or not - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] path Path of the protected content - * @param[in] action Action to perform (Action::DEFAULT, Action::PLAY, etc) - * @return the status of the rights for the protected content, - * such as RightsStatus::RIGHTS_VALID, RightsStatus::RIGHTS_EXPIRED, etc. - */ - int checkRightsStatus(int uniqueId, const String8& path, int action); - - /** - * Consumes the rights for a content. - * If the reserve parameter is true the rights is reserved until the same - * application calls this api again with the reserve parameter set to false. - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] decryptHandle Handle for the decryption session - * @param[in] action Action to perform. (Action::DEFAULT, Action::PLAY, etc) - * @param[in] reserve True if the rights should be reserved. - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t consumeRights(int uniqueId, sp<DecryptHandle> &decryptHandle, int action, bool reserve); - - /** - * Informs the DRM engine about the playback actions performed on the DRM files. - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] decryptHandle Handle for the decryption session - * @param[in] playbackStatus Playback action (Playback::START, Playback::STOP, Playback::PAUSE) - * @param[in] position Position in the file (in milliseconds) where the start occurs. - * Only valid together with Playback::START. - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t setPlaybackStatus( - int uniqueId, sp<DecryptHandle> &decryptHandle, int playbackStatus, int64_t position); - - /** - * Validates whether an action on the DRM content is allowed or not. - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] path Path of the protected content - * @param[in] action Action to validate (Action::PLAY, Action::TRANSFER, etc) - * @param[in] description Detailed description of the action - * @return true if the action is allowed. - */ - bool validateAction( - int uniqueId, const String8& path, int action, const ActionDescription& description); - - /** - * Removes the rights associated with the given protected content - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] path Path of the protected content - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t removeRights(int uniqueId, const String8& path); - - /** - * Removes all the rights information of each plug-in associated with - * DRM framework. Will be used in master reset - * - * @param[in] uniqueId Unique identifier for a session - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t removeAllRights(int uniqueId); - - /** - * This API is for Forward Lock based DRM scheme. - * Each time the application tries to download a new DRM file - * which needs to be converted, then the application has to - * begin with calling this API. - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] mimeType Description/MIME type of the input data packet - * @return Return handle for the convert session - */ - int openConvertSession(int uniqueId, const String8& mimeType); - - /** - * Accepts and converts the input data which is part of DRM file. - * The resultant converted data and the status is returned in the DrmConvertedInfo - * object. This method will be called each time there are new block - * of data received by the application. - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] convertId Handle for the convert session - * @param[in] inputData Input Data which need to be converted - * @return Return object contains the status of the data conversion, - * the output converted data and offset. In this case the - * application will ignore the offset information. - */ - DrmConvertedStatus* convertData(int uniqueId, int convertId, const DrmBuffer* inputData); - - /** - * Informs the Drm Agent when there is no more data which need to be converted - * or when an error occurs. Upon successful conversion of the complete data, - * the agent will inform that where the header and body signature - * should be added. This signature appending is needed to integrity - * protect the converted file. - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] convertId Handle for the convert session - * @return Return object contains the status of the data conversion, - * the header and body signature data. It also informs - * the application on which offset these signature data - * should be appended. - */ - DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId); - - /** - * Retrieves all DrmSupportInfo instance that native DRM framework can handle. - * This interface is meant to be used by JNI layer - * - * @param[in] uniqueId Unique identifier for a session - * @param[out] length Number of elements in drmSupportInfoArray - * @param[out] drmSupportInfoArray Array contains all DrmSupportInfo - * that native DRM framework can handle - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t getAllSupportInfo(int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray); - - /** - * Open the decrypt session to decrypt the given protected content - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] fd File descriptor of the protected content to be decrypted - * @param[in] offset Start position of the content - * @param[in] length The length of the protected content - * @param[in] mime The mime type of the protected content if it is not NULL or empty - * @return - * Handle for the decryption session - */ - sp<DecryptHandle> openDecryptSession( - int uniqueId, int fd, off64_t offset, off64_t length, const char* mime); - - /** - * Open the decrypt session to decrypt the given protected content - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] uri Path of the protected content to be decrypted - * @param[in] mime The mime type of the protected content if it is not NULL or empty - * @return - * Handle for the decryption session - */ - sp<DecryptHandle> openDecryptSession( - int uniqueId, const char* uri, const char* mime); - - /** - * Close the decrypt session for the given handle - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] decryptHandle Handle for the decryption session - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t closeDecryptSession(int uniqueId, sp<DecryptHandle> &decryptHandle); - - /** - * Initialize decryption for the given unit of the protected content - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] decryptHandle Handle for the decryption session - * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID - * @param[in] headerInfo Information for initializing decryption of this decrypUnit - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t initializeDecryptUnit(int uniqueId, sp<DecryptHandle> &decryptHandle, - int decryptUnitId, const DrmBuffer* headerInfo); - - /** - * Decrypt the protected content buffers for the given unit - * This method will be called any number of times, based on number of - * encrypted streams received from application. - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] decryptHandle Handle for the decryption session - * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID - * @param[in] encBuffer Encrypted data block - * @param[out] decBuffer Decrypted data block - * @param[in] IV Optional buffer - * @return status_t - * Returns the error code for this API - * DRM_NO_ERROR for success, and one of DRM_ERROR_UNKNOWN, DRM_ERROR_LICENSE_EXPIRED - * DRM_ERROR_SESSION_NOT_OPENED, DRM_ERROR_DECRYPT_UNIT_NOT_INITIALIZED, - * DRM_ERROR_DECRYPT for failure. - */ - status_t decrypt(int uniqueId, sp<DecryptHandle> &decryptHandle, int decryptUnitId, - const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV); - - /** - * Finalize decryption for the given unit of the protected content - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] decryptHandle Handle for the decryption session - * @param[in] decryptUnitId ID which specifies decryption unit, such as track ID - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t finalizeDecryptUnit(int uniqueId, sp<DecryptHandle> &decryptHandle, int decryptUnitId); - - /** - * Reads the specified number of bytes from an open DRM file. - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] decryptHandle Handle for the decryption session - * @param[out] buffer Reference to the buffer that should receive the read data. - * @param[in] numBytes Number of bytes to read. - * @param[in] offset Offset with which to update the file position. - * - * @return Number of bytes read. Returns -1 for Failure. - */ - ssize_t pread(int uniqueId, sp<DecryptHandle> &decryptHandle, - void* buffer, ssize_t numBytes, off64_t offset); - - /** - * Notify the event to the registered listener - * - * @param[in] event The event to be notified - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t notify(const DrmInfoEvent& event); - -private: - /** - * Install new DRM Engine Plug-in at the runtime - * - * @param[in] uniqueId Unique identifier for a session - * @param[in] drmEngine Shared Object(so) File in which DRM Engine defined - * @return status_t - * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure - */ - status_t installDrmEngine(int uniqueId, const String8& drmEngineFile); - -private: - Mutex mLock; - sp<DrmManagerClient::OnInfoListener> mOnInfoListener; - - class DeathNotifier: public IBinder::DeathRecipient { - public: - DeathNotifier() {} - virtual ~DeathNotifier(); - virtual void binderDied(const wp<IBinder>& who); - }; - -private: - static Mutex sMutex; - static sp<DeathNotifier> sDeathNotifier; - static sp<IDrmManagerService> sDrmManagerService; - static const sp<IDrmManagerService>& getDrmManagerService(); - static const String8 EMPTY_STRING; -}; - -}; - -#endif /* __DRM_MANAGER_CLIENT_IMPL_H__ */ - |