1 files changed, 62 insertions, 0 deletions
diff --git a/drm/mediadrm/plugins/clearkey/JsonWebKey.h b/drm/mediadrm/plugins/clearkey/JsonWebKey.h
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+++ b/drm/mediadrm/plugins/clearkey/JsonWebKey.h
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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_