DrmManagerClientImpl.cpp revision b5ce361d19e69fe156f7188c9ee0f4734b259874 
1/*
2 * Copyright (C) 2010 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//#define LOG_NDEBUG 0
18#define LOG_TAG "DrmManagerClientImpl(Native)"
19#include <utils/Log.h>
20
21#include <utils/String8.h>
22#include <utils/Vector.h>
23#include <binder/IServiceManager.h>
24
25#include "DrmManagerClientImpl.h"
26
27using namespace android;
28
29#define INVALID_VALUE -1
30
31Mutex DrmManagerClientImpl::mMutex;
32sp<IDrmManagerService> DrmManagerClientImpl::mDrmManagerService;
33const String8 DrmManagerClientImpl::EMPTY_STRING("");
34
35DrmManagerClientImpl* DrmManagerClientImpl::create(int* pUniqueId) {
36    if (0 == *pUniqueId) {
37        int uniqueId = getDrmManagerService()->addUniqueId(*pUniqueId);
38        *pUniqueId = uniqueId;
39    } else {
40        getDrmManagerService()->addUniqueId(*pUniqueId);
41    }
42    return new DrmManagerClientImpl();
43}
44
45void DrmManagerClientImpl::remove(int uniqueId) {
46    getDrmManagerService()->removeUniqueId(uniqueId);
47}
48
49const sp<IDrmManagerService>& DrmManagerClientImpl::getDrmManagerService() {
50    mMutex.lock();
51    if (NULL == mDrmManagerService.get()) {
52        sp<IServiceManager> sm = defaultServiceManager();
53        sp<IBinder> binder;
54        do {
55            binder = sm->getService(String16("drm.drmManager"));
56            if (binder != 0) {
57                break;
58            }
59            LOGW("DrmManagerService not published, waiting...");
60            struct timespec reqt;
61            reqt.tv_sec  = 0;
62            reqt.tv_nsec = 500000000; //0.5 sec
63            nanosleep(&reqt, NULL);
64        } while (true);
65
66        mDrmManagerService = interface_cast<IDrmManagerService>(binder);
67    }
68    mMutex.unlock();
69    return mDrmManagerService;
70}
71
72void DrmManagerClientImpl::addClient(int uniqueId) {
73    getDrmManagerService()->addClient(uniqueId);
74}
75
76void DrmManagerClientImpl::removeClient(int uniqueId) {
77    getDrmManagerService()->removeClient(uniqueId);
78}
79
80status_t DrmManagerClientImpl::setOnInfoListener(
81            int uniqueId,
82            const sp<DrmManagerClient::OnInfoListener>& infoListener) {
83    Mutex::Autolock _l(mLock);
84    mOnInfoListener = infoListener;
85    return getDrmManagerService()->setDrmServiceListener(uniqueId,
86            (NULL != infoListener.get()) ? this : NULL);
87}
88
89status_t DrmManagerClientImpl::installDrmEngine(
90        int uniqueId, const String8& drmEngineFile) {
91    status_t status = DRM_ERROR_UNKNOWN;
92    if (EMPTY_STRING != drmEngineFile) {
93        status = getDrmManagerService()->installDrmEngine(uniqueId, drmEngineFile);
94    }
95    return status;
96}
97
98DrmConstraints* DrmManagerClientImpl::getConstraints(
99        int uniqueId, const String8* path, const int action) {
100    DrmConstraints *drmConstraints = NULL;
101    if ((NULL != path) && (EMPTY_STRING != *path)) {
102        drmConstraints =
103            getDrmManagerService()->getConstraints(uniqueId, path, action);
104    }
105    return drmConstraints;
106}
107
108DrmMetadata* DrmManagerClientImpl::getMetadata(int uniqueId, const String8* path) {
109    DrmMetadata *drmMetadata = NULL;
110    if ((NULL != path) && (EMPTY_STRING != *path)) {
111        drmMetadata = getDrmManagerService()->getMetadata(uniqueId, path);
112    }
113    return drmMetadata;
114}
115
116bool DrmManagerClientImpl::canHandle(
117        int uniqueId, const String8& path, const String8& mimeType) {
118    bool retCode = false;
119    if ((EMPTY_STRING != path) || (EMPTY_STRING != mimeType)) {
120        retCode = getDrmManagerService()->canHandle(uniqueId, path, mimeType);
121    }
122    return retCode;
123}
124
125DrmInfoStatus* DrmManagerClientImpl::processDrmInfo(
126        int uniqueId, const DrmInfo* drmInfo) {
127    DrmInfoStatus *drmInfoStatus = NULL;
128    if (NULL != drmInfo) {
129        drmInfoStatus = getDrmManagerService()->processDrmInfo(uniqueId, drmInfo);
130    }
131    return drmInfoStatus;
132}
133
134DrmInfo* DrmManagerClientImpl::acquireDrmInfo(
135        int uniqueId, const DrmInfoRequest* drmInfoRequest) {
136    DrmInfo* drmInfo = NULL;
137    if (NULL != drmInfoRequest) {
138        drmInfo = getDrmManagerService()->acquireDrmInfo(uniqueId, drmInfoRequest);
139    }
140    return drmInfo;
141}
142
143status_t DrmManagerClientImpl::saveRights(int uniqueId, const DrmRights& drmRights,
144            const String8& rightsPath, const String8& contentPath) {
145    status_t status = DRM_ERROR_UNKNOWN;
146    if (EMPTY_STRING != contentPath) {
147        status = getDrmManagerService()->saveRights(
148                uniqueId, drmRights, rightsPath, contentPath);
149    }
150    return status;
151}
152
153String8 DrmManagerClientImpl::getOriginalMimeType(
154        int uniqueId, const String8& path) {
155    String8 mimeType = EMPTY_STRING;
156    if (EMPTY_STRING != path) {
157        mimeType = getDrmManagerService()->getOriginalMimeType(uniqueId, path);
158    }
159    return mimeType;
160}
161
162int DrmManagerClientImpl::getDrmObjectType(
163            int uniqueId, const String8& path, const String8& mimeType) {
164    int drmOjectType = DrmObjectType::UNKNOWN;
165    if ((EMPTY_STRING != path) || (EMPTY_STRING != mimeType)) {
166         drmOjectType =
167             getDrmManagerService()->getDrmObjectType(uniqueId, path, mimeType);
168    }
169    return drmOjectType;
170}
171
172int DrmManagerClientImpl::checkRightsStatus(
173            int uniqueId, const String8& path, int action) {
174    int rightsStatus = RightsStatus::RIGHTS_INVALID;
175    if (EMPTY_STRING != path) {
176        rightsStatus =
177            getDrmManagerService()->checkRightsStatus(uniqueId, path, action);
178    }
179    return rightsStatus;
180}
181
182status_t DrmManagerClientImpl::consumeRights(
183            int uniqueId, sp<DecryptHandle> &decryptHandle,
184            int action, bool reserve) {
185    status_t status = DRM_ERROR_UNKNOWN;
186    if (NULL != decryptHandle.get()) {
187        status = getDrmManagerService()->consumeRights(
188                uniqueId, decryptHandle.get(), action, reserve);
189    }
190    return status;
191}
192
193status_t DrmManagerClientImpl::setPlaybackStatus(
194            int uniqueId, sp<DecryptHandle> &decryptHandle,
195            int playbackStatus, int64_t position) {
196    status_t status = DRM_ERROR_UNKNOWN;
197    if (NULL != decryptHandle.get()) {
198        status = getDrmManagerService()->setPlaybackStatus(
199                uniqueId, decryptHandle.get(), playbackStatus, position);
200    }
201    return status;
202}
203
204bool DrmManagerClientImpl::validateAction(
205            int uniqueId, const String8& path,
206            int action, const ActionDescription& description) {
207    bool retCode = false;
208    if (EMPTY_STRING != path) {
209        retCode = getDrmManagerService()->validateAction(
210                uniqueId, path, action, description);
211    }
212    return retCode;
213}
214
215status_t DrmManagerClientImpl::removeRights(int uniqueId, const String8& path) {
216    status_t status = DRM_ERROR_UNKNOWN;
217    if (EMPTY_STRING != path) {
218        status = getDrmManagerService()->removeRights(uniqueId, path);
219    }
220    return status;
221}
222
223status_t DrmManagerClientImpl::removeAllRights(int uniqueId) {
224    return getDrmManagerService()->removeAllRights(uniqueId);
225}
226
227int DrmManagerClientImpl::openConvertSession(
228        int uniqueId, const String8& mimeType) {
229    int retCode = INVALID_VALUE;
230    if (EMPTY_STRING != mimeType) {
231        retCode = getDrmManagerService()->openConvertSession(uniqueId, mimeType);
232    }
233    return retCode;
234}
235
236DrmConvertedStatus* DrmManagerClientImpl::convertData(
237            int uniqueId, int convertId, const DrmBuffer* inputData) {
238    DrmConvertedStatus* drmConvertedStatus = NULL;
239    if (NULL != inputData) {
240         drmConvertedStatus =
241             getDrmManagerService()->convertData(uniqueId, convertId, inputData);
242    }
243    return drmConvertedStatus;
244}
245
246DrmConvertedStatus* DrmManagerClientImpl::closeConvertSession(
247        int uniqueId, int convertId) {
248    return getDrmManagerService()->closeConvertSession(uniqueId, convertId);
249}
250
251status_t DrmManagerClientImpl::getAllSupportInfo(
252            int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) {
253    status_t status = DRM_ERROR_UNKNOWN;
254    if ((NULL != drmSupportInfoArray) && (NULL != length)) {
255        status = getDrmManagerService()->getAllSupportInfo(
256                uniqueId, length, drmSupportInfoArray);
257    }
258    return status;
259}
260
261sp<DecryptHandle> DrmManagerClientImpl::openDecryptSession(
262            int uniqueId, int fd, off64_t offset, off64_t length) {
263    return getDrmManagerService()->openDecryptSession(uniqueId, fd, offset, length);
264}
265
266sp<DecryptHandle> DrmManagerClientImpl::openDecryptSession(
267        int uniqueId, const char* uri) {
268    DecryptHandle* handle = NULL;
269    if (NULL != uri) {
270        handle = getDrmManagerService()->openDecryptSession(uniqueId, uri);
271    }
272    return handle;
273}
274
275status_t DrmManagerClientImpl::closeDecryptSession(
276        int uniqueId, sp<DecryptHandle> &decryptHandle) {
277    status_t status = DRM_ERROR_UNKNOWN;
278    if (NULL != decryptHandle.get()) {
279        status = getDrmManagerService()->closeDecryptSession(
280                uniqueId, decryptHandle.get());
281    }
282    return status;
283}
284
285status_t DrmManagerClientImpl::initializeDecryptUnit(
286        int uniqueId, sp<DecryptHandle> &decryptHandle,
287        int decryptUnitId, const DrmBuffer* headerInfo) {
288    status_t status = DRM_ERROR_UNKNOWN;
289    if ((NULL != decryptHandle.get()) && (NULL != headerInfo)) {
290        status = getDrmManagerService()->initializeDecryptUnit(
291                uniqueId, decryptHandle.get(), decryptUnitId, headerInfo);
292    }
293    return status;
294}
295
296status_t DrmManagerClientImpl::decrypt(
297        int uniqueId, sp<DecryptHandle> &decryptHandle,
298        int decryptUnitId, const DrmBuffer* encBuffer,
299        DrmBuffer** decBuffer, DrmBuffer* IV) {
300    status_t status = DRM_ERROR_UNKNOWN;
301    if ((NULL != decryptHandle.get()) && (NULL != encBuffer)
302        && (NULL != decBuffer) && (NULL != *decBuffer)) {
303        status = getDrmManagerService()->decrypt(
304                uniqueId, decryptHandle.get(), decryptUnitId,
305                encBuffer, decBuffer, IV);
306    }
307    return status;
308}
309
310status_t DrmManagerClientImpl::finalizeDecryptUnit(
311            int uniqueId, sp<DecryptHandle> &decryptHandle, int decryptUnitId) {
312    status_t status = DRM_ERROR_UNKNOWN;
313    if (NULL != decryptHandle.get()) {
314        status = getDrmManagerService()->finalizeDecryptUnit(
315                    uniqueId, decryptHandle.get(), decryptUnitId);
316    }
317    return status;
318}
319
320ssize_t DrmManagerClientImpl::pread(int uniqueId, sp<DecryptHandle> &decryptHandle,
321            void* buffer, ssize_t numBytes, off64_t offset) {
322    ssize_t retCode = INVALID_VALUE;
323    if ((NULL != decryptHandle.get()) && (NULL != buffer) && (0 < numBytes)) {
324        retCode = getDrmManagerService()->pread(
325                uniqueId, decryptHandle.get(), buffer, numBytes, offset);
326    }
327    return retCode;
328}
329
330status_t DrmManagerClientImpl::notify(const DrmInfoEvent& event) {
331    if (NULL != mOnInfoListener.get()) {
332        Mutex::Autolock _l(mLock);
333        sp<DrmManagerClient::OnInfoListener> listener = mOnInfoListener;
334        listener->onInfo(event);
335    }
336    return DRM_NO_ERROR;
337}
338
339