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/*
* Copyright (C) 2014 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 CLEARKEY_JSON_WEB_KEY_H_
#define CLEARKEY_JSON_WEB_KEY_H_
#include <media/stagefright/foundation/ABase.h>
#include <utils/KeyedVector.h>
#include <utils/String8.h>
#include <utils/StrongPointer.h>
#include "jsmn.h"
#include "Utils.h"
#include "ClearKeyTypes.h"
namespace clearkeydrm {
using android::KeyedVector;
using android::sp;
using android::String8;
using android::Vector;
class JsonWebKey {
public:
JsonWebKey();
virtual ~JsonWebKey();
bool extractKeysFromJsonWebKeySet(const String8& jsonWebKeySet,
KeyMap* keys);
private:
Vector<jsmntok_t> mJsmnTokens;
Vector<String8> mJsonObjects;
Vector<String8> mTokens;
bool decodeBase64String(const String8& encodedText,
Vector<uint8_t>* decodedText);
bool findKey(const String8& jsonObject, String8* keyId,
String8* encodedKey);
void findValue(const String8 &key, String8* value);
bool isJsonWebKeySet(const String8& jsonObject) const;
bool parseJsonObject(const String8& jsonObject, Vector<String8>* tokens);
bool parseJsonWebKeySet(const String8& jsonWebKeySet, Vector<String8>* jsonObjects);
DISALLOW_EVIL_CONSTRUCTORS(JsonWebKey);
};
} // namespace clearkeydrm
#endif // CLEARKEY_JSON_WEB_KEY_H_
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