1 files changed, 92 insertions, 0 deletions
diff --git a/WebCore/platform/network/DataURL.cpp b/WebCore/platform/network/DataURL.cpp
new file mode 100644
index 0000000..5de1b34
--- /dev/null
+++ b/WebCore/platform/network/DataURL.cpp
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2007 Alp Toker <alp@atoker.com>
+ * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
+ *
+ * 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 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 COMPUTER, INC. OR
+ * 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 "DataURL.h"
+
+#include "Base64.h"
+#include "HTTPParsers.h"
+#include "ResourceHandle.h"
+#include "ResourceHandleClient.h"
+#include "ResourceRequest.h"
+#include "ResourceResponse.h"
+#include "TextEncoding.h"
+#include <wtf/text/CString.h>
+
+namespace WebCore {
+
+void handleDataURL(ResourceHandle* handle)
+{
+    ASSERT(handle->firstRequest().url().protocolIs("data"));
+    String url = handle->firstRequest().url().string();
+
+    int index = url.find(',');
+    if (index == -1) {
+        handle->client()->cannotShowURL(handle);
+        return;
+    }
+
+    String mediaType = url.substring(5, index - 5);
+    String data = url.substring(index + 1);
+
+    bool base64 = mediaType.endsWith(";base64", false);
+    if (base64)
+        mediaType = mediaType.left(mediaType.length() - 7);
+
+    if (mediaType.isEmpty())
+        mediaType = "text/plain;charset=US-ASCII";
+
+    String mimeType = extractMIMETypeFromMediaType(mediaType);
+    String charset = extractCharsetFromMediaType(mediaType);
+
+    ResourceResponse response;
+    response.setMimeType(mimeType);
+    response.setTextEncodingName(charset);
+    response.setURL(handle->firstRequest().url());
+
+    if (base64) {
+        data = decodeURLEscapeSequences(data);
+        handle->client()->didReceiveResponse(handle, response);
+
+        Vector<char> out;
+        if (base64Decode(data, out, IgnoreWhitespace) && out.size() > 0) {
+            response.setExpectedContentLength(out.size());
+            handle->client()->didReceiveData(handle, out.data(), out.size(), 0);
+        }
+    } else {
+        data = decodeURLEscapeSequences(data, TextEncoding(charset));
+        handle->client()->didReceiveResponse(handle, response);
+
+        CString encodedData = TextEncoding().encode(data.characters(), data.length(), URLEncodedEntitiesForUnencodables);
+        response.setExpectedContentLength(encodedData.length());
+        if (encodedData.length())
+            handle->client()->didReceiveData(handle, encodedData.data(), encodedData.length(), 0);
+    }
+
+    handle->client()->didFinishLoading(handle, 0);
+}
+
+} // namespace WebCore