Drm.h revision cc82dc6d500023eba6048616301a4b12682458db 
1/*
2 * Copyright (C) 2013 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 DRM_H_
18
19#define DRM_H_
20
21#include "SharedLibrary.h"
22
23#include <media/IDrm.h>
24#include <utils/threads.h>
25
26namespace android {
27
28struct DrmFactory;
29struct DrmPlugin;
30
31struct Drm : public BnDrm {
32    Drm();
33    virtual ~Drm();
34
35    virtual status_t initCheck() const;
36
37    virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]);
38
39    virtual status_t createPlugin(const uint8_t uuid[16]);
40
41    virtual status_t destroyPlugin();
42
43    virtual status_t openSession(Vector<uint8_t> &sessionId);
44
45    virtual status_t closeSession(Vector<uint8_t> const &sessionId);
46
47    virtual status_t
48        getLicenseRequest(Vector<uint8_t> const &sessionId,
49                          Vector<uint8_t> const &initData,
50                          String8 const &mimeType, DrmPlugin::LicenseType licenseType,
51                          KeyedVector<String8, String8> const &optionalParameters,
52                          Vector<uint8_t> &request, String8 &defaultUrl);
53
54    virtual status_t provideLicenseResponse(Vector<uint8_t> const &sessionId,
55                                            Vector<uint8_t> const &response);
56
57    virtual status_t removeLicense(Vector<uint8_t> const &sessionId);
58
59    virtual status_t queryLicenseStatus(Vector<uint8_t> const &sessionId,
60                                        KeyedVector<String8, String8> &infoMap) const;
61
62    virtual status_t getProvisionRequest(Vector<uint8_t> &request,
63                                         String8 &defaulUrl);
64
65    virtual status_t provideProvisionResponse(Vector<uint8_t> const &response);
66
67    virtual status_t getSecureStops(List<Vector<uint8_t> > &secureStops);
68
69    virtual status_t releaseSecureStops(Vector<uint8_t> const &ssRelease);
70
71    virtual status_t getPropertyString(String8 const &name, String8 &value ) const;
72    virtual status_t getPropertyByteArray(String8 const &name,
73                                          Vector<uint8_t> &value ) const;
74    virtual status_t setPropertyString(String8 const &name, String8 const &value ) const;
75    virtual status_t setPropertyByteArray(String8 const &name,
76                                          Vector<uint8_t> const &value ) const;
77
78private:
79    mutable Mutex mLock;
80
81    status_t mInitCheck;
82    sp<SharedLibrary> mLibrary;
83    DrmFactory *mFactory;
84    DrmPlugin *mPlugin;
85
86    static KeyedVector<Vector<uint8_t>, String8> mUUIDToLibraryPathMap;
87    static KeyedVector<String8, wp<SharedLibrary> > mLibraryPathToOpenLibraryMap;
88    static Mutex mMapLock;
89
90    void findFactoryForScheme(const uint8_t uuid[16]);
91    bool loadLibraryForScheme(const String8 &path, const uint8_t uuid[16]);
92    void closeFactory();
93
94
95    DISALLOW_EVIL_CONSTRUCTORS(Drm);
96};
97
98}  // namespace android
99
100#endif  // CRYPTO_H_
101