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      1 /*
      2  * Copyright (C) 2007 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 #ifndef _DRMMANAGER_
     17 #define _DRMMANAGER_
     18 
     19 #include <Drm2CommonTypes.h>
     20 #include <ofstream.h>
     21 #include <sostream.h>
     22 #include <ustring.h>
     23 #include <sistream.h>
     24 #include <uvector.h>
     25 
     26 using namespace ustl;
     27 
     28 /** It should be removed after real DcfContainer is ready */
     29 #define DcfContainer string
     30 static const int16_t DRM_OK = 1;
     31 
     32 class DrmManager
     33 {
     34 public:
     35     /**
     36      * Error definition
     37      */
     38      static const int16_t DRM_MANAGER_BASE = 100;
     39      static const int16_t ERR_DCFSTREAM_NOT_INITIALIZED = DRM_MANAGER_BASE+1;
     40      static const int16_t ERR_WRONG_DCFDATA = DRM_MANAGER_BASE+2;
     41      static const int16_t ERR_WRONG_RIGHTS = DRM_MANAGER_BASE+3;
     42 
     43     /**
     44      * Constructor for DrmManager,used to open local dcf file.
     45      * @param inRawData input stream of raw data.
     46      */
     47     DrmManager(istream *inRawData);
     48 
     49     /**
     50      * Constructor for DrmManager,used to separate dcf file and trig message when upper
     51      * application downloading one multipart message from CI.
     52      * @param inRawData input stream of raw data.
     53      */
     54     DrmManager(istream * inRawData, string mimeType);
     55 
     56     /** Destructor for DomExpatAgent. */
     57     ~DrmManager();
     58     /**
     59      * Config DRM engine
     60      * Fix me later
     61      */
     62      bool config();
     63 
     64     /**
     65      * Consume rights according to specified operation, DrmManager will check.
     66      * @param operationType the type of operation.
     67      * @return the operation result.
     68      */
     69     int16_t consumeRights(int16_t operationType);
     70 
     71     /**
     72      * Get the list of all dcf containers object reference in the dcf file.
     73      * @param the vector of the dcf objects list returned.
     74      * @return the operation result.
     75      */
     76      int16_t getListOfDcfObjects(vector<DcfContainer*> **outDcfList);
     77 
     78     /**
     79      * Open one Dcf container to read the decrypted data according to specified
     80      * operation.
     81      * @param oneDcfObject the reference of the DcfContainer.
     82      * @param operationType the type of operation.
     83      * @param decrypted data returned.
     84      * @return the operation result.
     85      */
     86     int16_t openDecryptedContent(DcfContainer *oneDcfObject,
     87                                 int16_t operationType,
     88                                 istream *outDecryptedData);
     89 
     90     /**
     91      * Get the separated Dcf raw data from multipart message.
     92      * @return the ifstream of the dcf raw data which should be stored by upper
     93      * application.
     94      */
     95     ifstream* getOriginalMediaData(void);
     96 
     97     /**
     98      * Handle DRM2.0 push message
     99      */
    100     bool handlePushMsg(uint8_t* data, string mimeType);
    101 
    102 PRIVATE:
    103     istream *mDcfStream; /**< the handler of dcf stream. */
    104     vector<DcfContainer*> mDcfs; /**< all the dcf containers included in one dcf file. */
    105 };
    106 
    107 #endif //_DRMMANAGER_
    108