278 lines
8.6 KiB
C
278 lines
8.6 KiB
C
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef CLEARKEY_DRM_PLUGIN_H_
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#define CLEARKEY_DRM_PLUGIN_H_
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#include <media/drm/DrmAPI.h>
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#include <media/stagefright/foundation/ABase.h>
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#include <media/stagefright/MediaErrors.h>
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#include <utils/Errors.h>
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#include <utils/KeyedVector.h>
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#include <utils/List.h>
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#include <utils/String8.h>
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#include <utils/Vector.h>
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#include "SessionLibrary.h"
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#include "Utils.h"
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namespace clearkeydrm {
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using android::KeyedVector;
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using android::List;
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using android::status_t;
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using android::String8;
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using android::Vector;
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class DrmPlugin : public android::DrmPlugin {
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public:
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explicit DrmPlugin(SessionLibrary* sessionLibrary);
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virtual ~DrmPlugin() {}
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virtual status_t openSession(Vector<uint8_t>& sessionId);
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virtual status_t closeSession(const Vector<uint8_t>& sessionId);
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virtual status_t getKeyRequest(
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const Vector<uint8_t>& scope,
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const Vector<uint8_t>& mimeType,
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const String8& initDataType,
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KeyType keyType,
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const KeyedVector<String8, String8>& optionalParameters,
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Vector<uint8_t>& request,
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String8& defaultUrl,
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DrmPlugin::KeyRequestType *keyRequestType);
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virtual status_t provideKeyResponse(
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const Vector<uint8_t>& scope,
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const Vector<uint8_t>& response,
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Vector<uint8_t>& keySetId);
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virtual status_t removeKeys(const Vector<uint8_t>& sessionId) {
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if (sessionId.size() == 0) {
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return android::BAD_VALUE;
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}
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t restoreKeys(
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const Vector<uint8_t>& sessionId,
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const Vector<uint8_t>& keySetId) {
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if (sessionId.size() == 0 || keySetId.size() == 0) {
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return android::BAD_VALUE;
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}
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t queryKeyStatus(
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const Vector<uint8_t>& sessionId,
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KeyedVector<String8, String8>& infoMap) const;
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virtual status_t getProvisionRequest(
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const String8& cert_type,
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const String8& cert_authority,
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Vector<uint8_t>& request,
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String8& defaultUrl) {
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UNUSED(cert_type);
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UNUSED(cert_authority);
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UNUSED(request);
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UNUSED(defaultUrl);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t provideProvisionResponse(
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const Vector<uint8_t>& response,
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Vector<uint8_t>& certificate,
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Vector<uint8_t>& wrappedKey) {
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UNUSED(certificate);
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UNUSED(wrappedKey);
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if (response.size() == 0) {
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// empty response
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return android::BAD_VALUE;
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}
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t getSecureStops(List<Vector<uint8_t> >& secureStops) {
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UNUSED(secureStops);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t getSecureStop(Vector<uint8_t> const &ssid, Vector<uint8_t> &secureStop) {
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if (ssid.size() == 0) {
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return android::BAD_VALUE;
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}
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UNUSED(secureStop);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t releaseSecureStops(const Vector<uint8_t>& ssRelease) {
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if (ssRelease.size() == 0) {
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return android::BAD_VALUE;
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}
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t releaseAllSecureStops() {
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t getHdcpLevels(HdcpLevel *connectedLevel,
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HdcpLevel *maxLevel) const {
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UNUSED(connectedLevel);
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UNUSED(maxLevel);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t getNumberOfSessions(uint32_t *currentSessions,
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uint32_t *maxSessions) const {
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UNUSED(currentSessions);
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UNUSED(maxSessions);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t getSecurityLevel(Vector<uint8_t> const &sessionId,
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SecurityLevel *level) const {
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UNUSED(sessionId);
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UNUSED(level);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t setSecurityLevel(Vector<uint8_t> const &sessionId,
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const SecurityLevel& level) {
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UNUSED(sessionId);
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UNUSED(level);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t getPropertyString(
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const String8& name, String8& value) const;
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virtual status_t getPropertyByteArray(
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const String8& name, Vector<uint8_t>& value) const;
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virtual status_t setPropertyString(
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const String8& name, const String8& value);
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virtual status_t setPropertyByteArray(
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const String8& name, const Vector<uint8_t>& value);
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virtual status_t setCipherAlgorithm(
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const Vector<uint8_t>& sessionId, const String8& algorithm) {
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if (sessionId.size() == 0 || algorithm.size() == 0) {
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return android::BAD_VALUE;
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}
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t setMacAlgorithm(
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const Vector<uint8_t>& sessionId, const String8& algorithm) {
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if (sessionId.size() == 0 || algorithm.size() == 0) {
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return android::BAD_VALUE;
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}
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t encrypt(
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const Vector<uint8_t>& sessionId,
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const Vector<uint8_t>& keyId,
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const Vector<uint8_t>& input,
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const Vector<uint8_t>& iv,
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Vector<uint8_t>& output) {
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if (sessionId.size() == 0 || keyId.size() == 0 ||
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input.size() == 0 || iv.size() == 0) {
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return android::BAD_VALUE;
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}
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UNUSED(output);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t decrypt(
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const Vector<uint8_t>& sessionId,
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const Vector<uint8_t>& keyId,
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const Vector<uint8_t>& input,
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const Vector<uint8_t>& iv,
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Vector<uint8_t>& output) {
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if (sessionId.size() == 0 || keyId.size() == 0 ||
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input.size() == 0 || iv.size() == 0) {
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return android::BAD_VALUE;
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}
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UNUSED(output);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t sign(
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const Vector<uint8_t>& sessionId,
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const Vector<uint8_t>& keyId,
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const Vector<uint8_t>& message,
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Vector<uint8_t>& signature) {
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if (sessionId.size() == 0 || keyId.size() == 0 ||
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message.size() == 0) {
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return android::BAD_VALUE;
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}
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UNUSED(signature);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t verify(
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const Vector<uint8_t>& sessionId,
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const Vector<uint8_t>& keyId,
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const Vector<uint8_t>& message,
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const Vector<uint8_t>& signature, bool& match) {
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if (sessionId.size() == 0 || keyId.size() == 0 ||
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message.size() == 0 || signature.size() == 0) {
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return android::BAD_VALUE;
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}
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UNUSED(match);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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virtual status_t signRSA(
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const Vector<uint8_t>& sessionId,
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const String8& algorithm,
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const Vector<uint8_t>& message,
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const Vector<uint8_t>& wrappedKey,
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Vector<uint8_t>& signature) {
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if (sessionId.size() == 0 || algorithm.size() == 0 ||
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message.size() == 0 || wrappedKey.size() == 0) {
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return android::BAD_VALUE;
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}
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UNUSED(signature);
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return android::ERROR_DRM_CANNOT_HANDLE;
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}
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private:
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void initProperties();
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void setPlayPolicy();
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mutable android::Mutex mPlayPolicyLock;
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android::KeyedVector<String8, String8> mPlayPolicy;
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android::KeyedVector<String8, String8> mStringProperties;
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android::KeyedVector<String8, Vector<uint8_t>> mByteArrayProperties;
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SessionLibrary* mSessionLibrary;
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DISALLOW_EVIL_CONSTRUCTORS(DrmPlugin);
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};
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} // namespace clearkeydrm
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#endif // CLEARKEY_DRM_PLUGIN_H_
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