webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 144 insertions, 0 deletions

diff --git a/Source/WebCore/testing/LegacyMockCDM.cpp b/Source/WebCore/testing/LegacyMockCDM.cpp
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index 000000000..b1a56aa21
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+++ b/Source/WebCore/testing/LegacyMockCDM.cpp
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+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "LegacyMockCDM.h"
+
+#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
+
+#include "LegacyCDM.h"
+#include "LegacyCDMSession.h"
+#include "WebKitMediaKeyError.h"
+#include <runtime/JSCInlines.h>
+#include <runtime/TypedArrayInlines.h>
+#include <runtime/Uint8Array.h>
+
+namespace WebCore {
+
+class MockCDMSession : public CDMSession {
+public:
+    MockCDMSession(CDMSessionClient*);
+    virtual ~MockCDMSession() { }
+
+    void setClient(CDMSessionClient* client) override { m_client = client; }
+    const String& sessionId() const override { return m_sessionId; }
+    RefPtr<Uint8Array> generateKeyRequest(const String& mimeType, Uint8Array* initData, String& destinationURL, unsigned short& errorCode, uint32_t& systemCode) override;
+    void releaseKeys() override;
+    bool update(Uint8Array*, RefPtr<Uint8Array>& nextMessage, unsigned short& errorCode, uint32_t& systemCode) override;
+
+protected:
+    CDMSessionClient* m_client;
+    String m_sessionId;
+};
+
+bool MockCDM::supportsKeySystem(const String& keySystem)
+{
+    return equalLettersIgnoringASCIICase(keySystem, "com.webcore.mock");
+}
+
+bool MockCDM::supportsKeySystemAndMimeType(const String& keySystem, const String& mimeType)
+{
+    if (!supportsKeySystem(keySystem))
+        return false;
+
+    return equalLettersIgnoringASCIICase(mimeType, "video/mock");
+}
+
+bool MockCDM::supportsMIMEType(const String& mimeType)
+{
+    return equalLettersIgnoringASCIICase(mimeType, "video/mock");
+}
+
+std::unique_ptr<CDMSession> MockCDM::createSession(CDMSessionClient* client)
+{
+    return std::make_unique<MockCDMSession>(client);
+}
+
+static Uint8Array* initDataPrefix()
+{
+    const unsigned char prefixData[] = { 'm', 'o', 'c', 'k' };
+    static Uint8Array* prefix = Uint8Array::create(prefixData, WTF_ARRAY_LENGTH(prefixData)).leakRef();
+
+    return prefix;
+}
+
+static Uint8Array* keyPrefix()
+{
+    static const unsigned char prefixData[] = {'k', 'e', 'y'};
+    static Uint8Array* prefix = Uint8Array::create(prefixData, WTF_ARRAY_LENGTH(prefixData)).leakRef();
+
+    return prefix;
+}
+
+static Uint8Array* keyRequest()
+{
+    static const unsigned char requestData[] = {'r', 'e', 'q', 'u', 'e', 's', 't'};
+    static Uint8Array* request = Uint8Array::create(requestData, WTF_ARRAY_LENGTH(requestData)).leakRef();
+
+    return request;
+}
+
+static String generateSessionId()
+{
+    static int monotonicallyIncreasingSessionId = 0;
+    return String::number(monotonicallyIncreasingSessionId++);
+}
+
+MockCDMSession::MockCDMSession(CDMSessionClient* client)
+    : m_client(client)
+    , m_sessionId(generateSessionId())
+{
+}
+
+RefPtr<Uint8Array> MockCDMSession::generateKeyRequest(const String&, Uint8Array* initData, String&, unsigned short& errorCode, uint32_t&)
+{
+    for (unsigned i = 0; i < initDataPrefix()->length(); ++i) {
+        if (!initData || i >= initData->length() || initData->item(i) != initDataPrefix()->item(i)) {
+            errorCode = WebKitMediaKeyError::MEDIA_KEYERR_UNKNOWN;
+            return nullptr;
+        }
+    }
+    return keyRequest();
+}
+
+void MockCDMSession::releaseKeys()
+{
+    // no-op
+}
+
+bool MockCDMSession::update(Uint8Array* key, RefPtr<Uint8Array>&, unsigned short& errorCode, uint32_t&)
+{
+    for (unsigned i = 0; i < keyPrefix()->length(); ++i) {
+        if (i >= key->length() || key->item(i) != keyPrefix()->item(i)) {
+            errorCode = WebKitMediaKeyError::MEDIA_KEYERR_CLIENT;
+            return false;
+        }
+    }
+    return true;
+}
+
+}
+
+#endif // ENABLE(LEGACY_ENCRYPTED_MEDIA)