Asset.h revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087 
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>
23using namespace ustl;
24
25class Asset {
26public:
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
120PRIVATE:
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