DrmPlugin.h revision 68b15554f6dca3b056eac517fe5fa2fd4ee80a33 
1/*
2 * Copyright (C) 2014 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 CLEARKEY_DRM_PLUGIN_H_
18#define CLEARKEY_DRM_PLUGIN_H_
19
20#include <media/drm/DrmAPI.h>
21#include <media/stagefright/foundation/ABase.h>
22#include <media/stagefright/MediaErrors.h>
23#include <utils/Errors.h>
24#include <utils/KeyedVector.h>
25#include <utils/List.h>
26#include <utils/String8.h>
27#include <utils/Vector.h>
28
29#include "SessionLibrary.h"
30#include "Utils.h"
31
32namespace clearkeydrm {
33
34using android::KeyedVector;
35using android::List;
36using android::status_t;
37using android::String8;
38using android::Vector;
39
40class DrmPlugin : public android::DrmPlugin {
41public:
42    DrmPlugin(SessionLibrary* sessionLibrary)
43            : mSessionLibrary(sessionLibrary) {}
44    virtual ~DrmPlugin() {}
45
46    virtual status_t openSession(Vector<uint8_t>& sessionId);
47
48    virtual status_t closeSession(const Vector<uint8_t>& sessionId);
49
50    virtual status_t getKeyRequest(
51            const Vector<uint8_t>& scope,
52            const Vector<uint8_t>& initData,
53            const String8& initDataType,
54            KeyType keyType,
55            const KeyedVector<String8, String8>& optionalParameters,
56            Vector<uint8_t>& request,
57            String8& defaultUrl);
58
59    virtual status_t provideKeyResponse(
60            const Vector<uint8_t>& scope,
61            const Vector<uint8_t>& response,
62            Vector<uint8_t>& keySetId);
63
64    virtual status_t removeKeys(const Vector<uint8_t>& sessionId) {
65        UNUSED(sessionId);
66        return android::ERROR_DRM_CANNOT_HANDLE;
67    }
68
69    virtual status_t restoreKeys(
70            const Vector<uint8_t>& sessionId,
71            const Vector<uint8_t>& keySetId) {
72        UNUSED(sessionId);
73        UNUSED(keySetId);
74        return android::ERROR_DRM_CANNOT_HANDLE;
75    }
76
77    virtual status_t queryKeyStatus(
78            const Vector<uint8_t>& sessionId,
79            KeyedVector<String8, String8>& infoMap) const {
80        UNUSED(sessionId);
81        UNUSED(infoMap);
82        return android::ERROR_DRM_CANNOT_HANDLE;
83    }
84
85    virtual status_t getProvisionRequest(
86            const String8& cert_type,
87            const String8& cert_authority,
88            Vector<uint8_t>& request,
89            String8& defaultUrl) {
90        UNUSED(cert_type);
91        UNUSED(cert_authority);
92        UNUSED(request);
93        UNUSED(defaultUrl);
94        return android::ERROR_DRM_CANNOT_HANDLE;
95    }
96
97    virtual status_t provideProvisionResponse(
98            const Vector<uint8_t>& response,
99            Vector<uint8_t>& certificate,
100            Vector<uint8_t>& wrappedKey) {
101        UNUSED(response);
102        UNUSED(certificate);
103        UNUSED(wrappedKey);
104        return android::ERROR_DRM_CANNOT_HANDLE;
105    }
106
107    virtual status_t unprovisionDevice() {
108        return android::ERROR_DRM_CANNOT_HANDLE;
109    }
110
111    virtual status_t getSecureStops(List<Vector<uint8_t> >& secureStops) {
112        UNUSED(secureStops);
113        return android::ERROR_DRM_CANNOT_HANDLE;
114    }
115
116    virtual status_t releaseSecureStops(const Vector<uint8_t>& ssRelease) {
117        UNUSED(ssRelease);
118        return android::ERROR_DRM_CANNOT_HANDLE;
119    }
120
121    virtual status_t getPropertyString(
122            const String8& name, String8& value) const;
123
124    virtual status_t getPropertyByteArray(
125            const String8& name, Vector<uint8_t>& value) const {
126        UNUSED(name);
127        UNUSED(value);
128        return android::ERROR_DRM_CANNOT_HANDLE;
129    }
130
131    virtual status_t setPropertyString(
132            const String8& name, const String8& value) {
133        UNUSED(name);
134        UNUSED(value);
135        return android::ERROR_DRM_CANNOT_HANDLE;
136    }
137
138    virtual status_t setPropertyByteArray(
139            const String8& name, const Vector<uint8_t>& value) {
140        UNUSED(name);
141        UNUSED(value);
142        return android::ERROR_DRM_CANNOT_HANDLE;
143    }
144
145    virtual status_t setCipherAlgorithm(
146            const Vector<uint8_t>& sessionId, const String8& algorithm) {
147        UNUSED(sessionId);
148        UNUSED(algorithm);
149        return android::ERROR_DRM_CANNOT_HANDLE;
150    }
151
152    virtual status_t setMacAlgorithm(
153            const Vector<uint8_t>& sessionId, const String8& algorithm) {
154        UNUSED(sessionId);
155        UNUSED(algorithm);
156        return android::ERROR_DRM_CANNOT_HANDLE;
157    }
158
159    virtual status_t encrypt(
160            const Vector<uint8_t>& sessionId,
161            const Vector<uint8_t>& keyId,
162            const Vector<uint8_t>& input,
163            const Vector<uint8_t>& iv,
164            Vector<uint8_t>& output) {
165        UNUSED(sessionId);
166        UNUSED(keyId);
167        UNUSED(input);
168        UNUSED(iv);
169        UNUSED(output);
170        return android::ERROR_DRM_CANNOT_HANDLE;
171    }
172
173    virtual status_t decrypt(
174            const Vector<uint8_t>& sessionId,
175            const Vector<uint8_t>& keyId,
176            const Vector<uint8_t>& input,
177            const Vector<uint8_t>& iv,
178            Vector<uint8_t>& output) {
179        UNUSED(sessionId);
180        UNUSED(keyId);
181        UNUSED(input);
182        UNUSED(iv);
183        UNUSED(output);
184        return android::ERROR_DRM_CANNOT_HANDLE;
185    }
186
187    virtual status_t sign(
188            const Vector<uint8_t>& sessionId,
189            const Vector<uint8_t>& keyId,
190            const Vector<uint8_t>& message,
191            Vector<uint8_t>& signature) {
192        UNUSED(sessionId);
193        UNUSED(keyId);
194        UNUSED(message);
195        UNUSED(signature);
196        return android::ERROR_DRM_CANNOT_HANDLE;
197    }
198
199    virtual status_t verify(
200            const Vector<uint8_t>& sessionId,
201            const Vector<uint8_t>& keyId,
202            const Vector<uint8_t>& message,
203            const Vector<uint8_t>& signature, bool& match) {
204        UNUSED(sessionId);
205        UNUSED(keyId);
206        UNUSED(message);
207        UNUSED(signature);
208        UNUSED(match);
209        return android::ERROR_DRM_CANNOT_HANDLE;
210    }
211
212    virtual status_t signRSA(
213            const Vector<uint8_t>& sessionId,
214            const String8& algorithm,
215            const Vector<uint8_t>& message,
216            const Vector<uint8_t>& wrappedKey,
217            Vector<uint8_t>& signature) {
218        UNUSED(sessionId);
219        UNUSED(algorithm);
220        UNUSED(message);
221        UNUSED(wrappedKey);
222        UNUSED(signature);
223        return android::ERROR_DRM_CANNOT_HANDLE;
224    }
225
226private:
227    DISALLOW_EVIL_CONSTRUCTORS(DrmPlugin);
228
229    SessionLibrary* mSessionLibrary;
230};
231
232} // namespace clearkeydrm
233
234#endif // CLEARKEY_DRM_PLUGIN_H_
235