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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 _ASSET_H
     17 #define _ASSET_H
     18 
     19 #include <ustring.h>
     20 #include <uvector.h>
     21 #include <Drm2CommonTypes.h>
     22 #include <rights/Right.h>
     23 using namespace ustl;
     24 
     25 class Asset {
     26 public:
     27     /**
     28      * Constructor for asset.
     29      */
     30     Asset();
     31 
     32     /**
     33      * Destructor for asset.
     34      */
     35     ~Asset();
     36 
     37     /**
     38      * Test whether asset has parent or not.
     39      * @return true/false to indicate the result.
     40      */
     41     bool hasParent();
     42 
     43     /**
     44      * Set id of asset.
     45      * @param id the id of asset.
     46      */
     47     void setID(const string &id);
     48 
     49     /**
     50      * Get the id of content.
     51      * @return asset id.
     52      */
     53     const string& getID() const;
     54 
     55     /**
     56      * Set contend id related to asset.
     57      * @param id the id of content.
     58      */
     59     void setContentID(const string &id);
     60 
     61     /**
     62      * Get content id.
     63      * @return content id.
     64      */
     65     const string& getContentID() const;
     66 
     67     /**
     68      * Set digest value of DCF.
     69      * @param value the DCF digest value.
     70      */
     71     void setDCFDigest(const string &value);
     72 
     73     /**
     74      * Get the DCF digest value.
     75      * @return the digest value of DCF.
     76      */
     77     const string& getDCFDigest() const;
     78 
     79     /**
     80      * Set encrypted key in asset.
     81      * @param the encrypted key.
     82      */
     83     void setEncryptedKey(const string &key);
     84 
     85     /**
     86      * Get encrypted key.
     87      * @return encypted key.
     88      */
     89     const string& getEncrytedKey() const;
     90 
     91     /**
     92      * Get cek.
     93      * @return cek.
     94      */
     95     const char* getCek() const;
     96 
     97     /**
     98      * Set the retrieval method of key.
     99      * @param rm the retrieval method of the key.
    100      */
    101     void setKeyRetrievalMethod(const string &rm);
    102 
    103     /**
    104      * Set parent content id for asset.
    105      * @param id the parent content id.
    106      */
    107     void setParentContentID(const string &id);
    108 
    109     /**
    110      * Get the parent content id of the asset.
    111      * @return the parent content id.
    112      */
    113     const string& getParentContentID() const;
    114 
    115     /**
    116      * Recover the CEK using private key.
    117      */
    118     void recoverCek();
    119 
    120 PRIVATE:
    121     string mAssetID;
    122     string mContentID;
    123     string mDigestMethod;
    124     string mDigestValue;
    125     string mEncryptedMethod;
    126     string mEncryptedKey;
    127     string mRetrievalMethod;
    128     string mParentContentID;
    129     string mCek;
    130 };
    131 
    132 #endif
    133