You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

152 lines
4.8 KiB

/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __DRM_MANAGER_SERVICE_H__
#define __DRM_MANAGER_SERVICE_H__
#include <utils/RefBase.h>
#include <utils/KeyedVector.h>
#include <binder/IInterface.h>
#include <binder/Parcel.h>
#include "IDrmManagerService.h"
#include "IDrmServiceListener.h"
namespace android {
class DrmManager;
class String8;
class Mutex;
/**
* This is the implementation class for DRM manager service. This delegates
* the responsibility to DrmManager.
*
* The instance of this class is created while starting the DRM manager service.
*
*/
class DrmManagerService : public BnDrmManagerService {
public:
static void instantiate();
private:
enum drm_perm_t {
CONSUME_RIGHTS = 0,
SET_PLAYBACK_STATUS = 1,
OPEN_DECRYPT_SESSION = 2,
CLOSE_DECRYPT_SESSION = 3,
INITIALIZE_DECRYPT_UNIT = 4,
DECRYPT = 5,
FINALIZE_DECRYPT_UNIT = 6,
PREAD = 7,
};
static const char *const drm_perm_labels[];
DrmManagerService();
virtual ~DrmManagerService();
static const char *get_perm_label(drm_perm_t perm);
static bool selinuxIsProtectedCallAllowed(pid_t spid, const char* ssid, drm_perm_t perm);
static bool isProtectedCallAllowed(drm_perm_t perm);
public:
int addUniqueId(bool isNative);
void removeUniqueId(int uniqueId);
void addClient(int uniqueId);
void removeClient(int uniqueId);
status_t setDrmServiceListener(
int uniqueId, const sp<IDrmServiceListener>& drmServiceListener);
DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action);
DrmMetadata* getMetadata(int uniqueId, const String8* path);
bool canHandle(int uniqueId, const String8& path, const String8& mimeType);
DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo);
DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest);
status_t saveRights(int uniqueId, const DrmRights& drmRights,
const String8& rightsPath, const String8& contentPath);
String8 getOriginalMimeType(int uniqueId, const String8& path, int fd);
int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);
int checkRightsStatus(int uniqueId, const String8& path,int action);
status_t consumeRights(int uniqueId, sp<DecryptHandle>& decryptHandle, int action,
bool reserve);
status_t setPlaybackStatus(
int uniqueId, sp<DecryptHandle>& decryptHandle, int playbackStatus, int64_t position);
bool validateAction(int uniqueId, const String8& path,
int action, const ActionDescription& description);
status_t removeRights(int uniqueId, const String8& path);
status_t removeAllRights(int uniqueId);
int openConvertSession(int uniqueId, const String8& mimeType);
DrmConvertedStatus* convertData(int uniqueId, int convertId, const DrmBuffer* inputData);
DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId);
status_t getAllSupportInfo(int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);
sp<DecryptHandle> openDecryptSession(
int uniqueId, int fd, off64_t offset, off64_t length, const char *mime);
sp<DecryptHandle> openDecryptSession(
int uniqueId, const char* uri, const char* mime);
sp<DecryptHandle> openDecryptSession(int uniqueId, const DrmBuffer& buf,
const String8& mimeType);
status_t closeDecryptSession(int uniqueId, sp<DecryptHandle>& decryptHandle);
status_t initializeDecryptUnit(int uniqueId, sp<DecryptHandle>& decryptHandle,
int decryptUnitId, const DrmBuffer* headerInfo);
status_t decrypt(int uniqueId, sp<DecryptHandle>& decryptHandle, int decryptUnitId,
const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV);
status_t finalizeDecryptUnit(int uniqueId, sp<DecryptHandle>& decryptHandle,
int decryptUnitId);
ssize_t pread(int uniqueId, sp<DecryptHandle>& decryptHandle,
void* buffer, ssize_t numBytes, off64_t offset);
virtual status_t dump(int fd, const Vector<String16>& args);
private:
sp<DrmManager> mDrmManager;
};
};
#endif /* __DRM_MANAGER_SERVICE_H__ */