Import Qt5x2 branch of QtWebkit for Qt 5.2

Importing a new snapshot of webkit.

Change-Id: I2d01ad12cdc8af8cb015387641120a9d7ea5f10c
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@digia.com>

1 files changed, 117 insertions, 0 deletions

diff --git a/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.cpp b/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.cpp
new file mode 100644
index 000000000..1e60d401b
--- /dev/null
+++ b/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.cpp
@@ -0,0 +1,117 @@
+/*
+ * 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 "NetworkBlobRegistry.h"
+
+#if ENABLE(BLOB) && ENABLE(NETWORK_PROCESS)
+
+#include "SandboxExtension.h"
+#include <WebCore/BlobRegistryImpl.h>
+#include <wtf/MainThread.h>
+
+using namespace WebCore;
+
+namespace WebKit {
+
+NetworkBlobRegistry& NetworkBlobRegistry::shared()
+{
+    ASSERT(isMainThread());
+    DEFINE_STATIC_LOCAL(NetworkBlobRegistry, registry, ());
+    return registry;
+}
+
+NetworkBlobRegistry::NetworkBlobRegistry()
+{
+}
+
+void NetworkBlobRegistry::registerBlobURL(NetworkConnectionToWebProcess* connection, const KURL& url, PassOwnPtr<BlobData> data, const Vector<RefPtr<SandboxExtension>>& newSandboxExtensions)
+{
+    ASSERT(!m_sandboxExtensions.contains(url.string()));
+
+    // Combine new extensions for File items and existing extensions for inner Blob items.
+    Vector<RefPtr<SandboxExtension>> sandboxExtensions = newSandboxExtensions;
+    const BlobDataItemList& items = data->items();
+    for (size_t i = 0, count = items.size(); i < count; ++i) {
+        if (items[i].type == BlobDataItem::Blob)
+            sandboxExtensions.appendVector(m_sandboxExtensions.get(items[i].url.string()));
+    }
+
+    blobRegistry().registerBlobURL(url, data);
+
+    if (!sandboxExtensions.isEmpty())
+        m_sandboxExtensions.add(url.string(), sandboxExtensions);
+
+    ASSERT(!m_blobsForConnection.get(connection).contains(url));
+    BlobForConnectionMap::iterator mapIterator = m_blobsForConnection.find(connection);
+    if (mapIterator == m_blobsForConnection.end())
+        mapIterator = m_blobsForConnection.add(connection, HashSet<KURL>()).iterator;
+    mapIterator->value.add(url);
+}
+
+void NetworkBlobRegistry::registerBlobURL(NetworkConnectionToWebProcess* connection, const WebCore::KURL& url, const WebCore::KURL& srcURL)
+{
+    blobRegistry().registerBlobURL(url, srcURL);
+    SandboxExtensionMap::iterator iter = m_sandboxExtensions.find(srcURL.string());
+    if (iter != m_sandboxExtensions.end())
+        m_sandboxExtensions.add(url.string(), iter->value);
+
+    ASSERT(m_blobsForConnection.contains(connection));
+    ASSERT(m_blobsForConnection.find(connection)->value.contains(srcURL));
+    m_blobsForConnection.find(connection)->value.add(url);
+}
+
+void NetworkBlobRegistry::unregisterBlobURL(NetworkConnectionToWebProcess* connection, const WebCore::KURL& url)
+{
+    blobRegistry().unregisterBlobURL(url);
+    m_sandboxExtensions.remove(url.string());
+
+    ASSERT(m_blobsForConnection.contains(connection));
+    ASSERT(m_blobsForConnection.find(connection)->value.contains(url));
+    m_blobsForConnection.find(connection)->value.remove(url);
+}
+
+void NetworkBlobRegistry::connectionToWebProcessDidClose(NetworkConnectionToWebProcess* connection)
+{
+    if (!m_blobsForConnection.contains(connection))
+        return;
+
+    HashSet<KURL>& blobsForConnection = m_blobsForConnection.find(connection)->value;
+    for (HashSet<KURL>::iterator iter = blobsForConnection.begin(), end = blobsForConnection.end(); iter != end; ++iter) {
+        blobRegistry().unregisterBlobURL(*iter);
+        m_sandboxExtensions.remove(*iter);
+    }
+
+    m_blobsForConnection.remove(connection);
+}
+
+const Vector<RefPtr<SandboxExtension>> NetworkBlobRegistry::sandboxExtensions(const WebCore::KURL& url)
+{
+    return m_sandboxExtensions.get(url.string());
+}
+
+}
+
+#endif