DrmPlugin.h revision 1fe11a5d1b7932a8a4a4e6e8cf1aedd21fcdb3aa 
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 getSecureStops(List<Vector<uint8_t> >& secureStops) {
108        UNUSED(secureStops);
109        return android::ERROR_DRM_CANNOT_HANDLE;
110    }
111
112    virtual status_t releaseSecureStops(const Vector<uint8_t>& ssRelease) {
113        UNUSED(ssRelease);
114        return android::ERROR_DRM_CANNOT_HANDLE;
115    }
116
117    virtual status_t getPropertyString(
118            const String8& name, String8& value) const;
119
120    virtual status_t getPropertyByteArray(
121            const String8& name, Vector<uint8_t>& value) const {
122        UNUSED(name);
123        UNUSED(value);
124        return android::ERROR_DRM_CANNOT_HANDLE;
125    }
126
127    virtual status_t setPropertyString(
128            const String8& name, const String8& value) {
129        UNUSED(name);
130        UNUSED(value);
131        return android::ERROR_DRM_CANNOT_HANDLE;
132    }
133
134    virtual status_t setPropertyByteArray(
135            const String8& name, const Vector<uint8_t>& value) {
136        UNUSED(name);
137        UNUSED(value);
138        return android::ERROR_DRM_CANNOT_HANDLE;
139    }
140
141    virtual status_t setCipherAlgorithm(
142            const Vector<uint8_t>& sessionId, const String8& algorithm) {
143        UNUSED(sessionId);
144        UNUSED(algorithm);
145        return android::ERROR_DRM_CANNOT_HANDLE;
146    }
147
148    virtual status_t setMacAlgorithm(
149            const Vector<uint8_t>& sessionId, const String8& algorithm) {
150        UNUSED(sessionId);
151        UNUSED(algorithm);
152        return android::ERROR_DRM_CANNOT_HANDLE;
153    }
154
155    virtual status_t encrypt(
156            const Vector<uint8_t>& sessionId,
157            const Vector<uint8_t>& keyId,
158            const Vector<uint8_t>& input,
159            const Vector<uint8_t>& iv,
160            Vector<uint8_t>& output) {
161        UNUSED(sessionId);
162        UNUSED(keyId);
163        UNUSED(input);
164        UNUSED(iv);
165        UNUSED(output);
166        return android::ERROR_DRM_CANNOT_HANDLE;
167    }
168
169    virtual status_t decrypt(
170            const Vector<uint8_t>& sessionId,
171            const Vector<uint8_t>& keyId,
172            const Vector<uint8_t>& input,
173            const Vector<uint8_t>& iv,
174            Vector<uint8_t>& output) {
175        UNUSED(sessionId);
176        UNUSED(keyId);
177        UNUSED(input);
178        UNUSED(iv);
179        UNUSED(output);
180        return android::ERROR_DRM_CANNOT_HANDLE;
181    }
182
183    virtual status_t sign(
184            const Vector<uint8_t>& sessionId,
185            const Vector<uint8_t>& keyId,
186            const Vector<uint8_t>& message,
187            Vector<uint8_t>& signature) {
188        UNUSED(sessionId);
189        UNUSED(keyId);
190        UNUSED(message);
191        UNUSED(signature);
192        return android::ERROR_DRM_CANNOT_HANDLE;
193    }
194
195    virtual status_t verify(
196            const Vector<uint8_t>& sessionId,
197            const Vector<uint8_t>& keyId,
198            const Vector<uint8_t>& message,
199            const Vector<uint8_t>& signature, bool& match) {
200        UNUSED(sessionId);
201        UNUSED(keyId);
202        UNUSED(message);
203        UNUSED(signature);
204        UNUSED(match);
205        return android::ERROR_DRM_CANNOT_HANDLE;
206    }
207
208    virtual status_t signRSA(
209            const Vector<uint8_t>& sessionId,
210            const String8& algorithm,
211            const Vector<uint8_t>& message,
212            const Vector<uint8_t>& wrappedKey,
213            Vector<uint8_t>& signature) {
214        UNUSED(sessionId);
215        UNUSED(algorithm);
216        UNUSED(message);
217        UNUSED(wrappedKey);
218        UNUSED(signature);
219        return android::ERROR_DRM_CANNOT_HANDLE;
220    }
221
222private:
223    DISALLOW_EVIL_CONSTRUCTORS(DrmPlugin);
224
225    SessionLibrary* mSessionLibrary;
226};
227
228} // namespace clearkeydrm
229
230#endif // CLEARKEY_DRM_PLUGIN_H_
231