1a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch/* 2a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * Copyright (C) 2007 Alp Toker <alp@atoker.com> 3a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com> 4a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * 5a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * Redistribution and use in source and binary forms, with or without 6a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * modification, are permitted provided that the following conditions 7a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * are met: 8a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * 1. Redistributions of source code must retain the above copyright 9a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * notice, this list of conditions and the following disclaimer. 10a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * 2. Redistributions in binary form must reproduce the above copyright 11a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * notice, this list of conditions and the following disclaimer in the 12a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * documentation and/or other materials provided with the distribution. 13a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * 14a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch */ 26a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 27a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch#include "config.h" 28a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch#include "DataURL.h" 29a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 30a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch#include "Base64.h" 31a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch#include "HTTPParsers.h" 32a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch#include "ResourceHandle.h" 33a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch#include "ResourceHandleClient.h" 34a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch#include "ResourceRequest.h" 35a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch#include "ResourceResponse.h" 36a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch#include "TextEncoding.h" 37a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch#include <wtf/text/CString.h> 38a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 39a94275402997c11dd2e778633dacf4b7e630a35dBen Murdochnamespace WebCore { 40a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 41a94275402997c11dd2e778633dacf4b7e630a35dBen Murdochvoid handleDataURL(ResourceHandle* handle) 42a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch{ 43a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch ASSERT(handle->firstRequest().url().protocolIs("data")); 44a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch String url = handle->firstRequest().url().string(); 45a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 46a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch int index = url.find(','); 47a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch if (index == -1) { 48a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch handle->client()->cannotShowURL(handle); 49a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch return; 50a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch } 51a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 52a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch String mediaType = url.substring(5, index - 5); 53a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch String data = url.substring(index + 1); 54a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 55a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch bool base64 = mediaType.endsWith(";base64", false); 56a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch if (base64) 57a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch mediaType = mediaType.left(mediaType.length() - 7); 58a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 59a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch if (mediaType.isEmpty()) 60a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch mediaType = "text/plain;charset=US-ASCII"; 61a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 62a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch String mimeType = extractMIMETypeFromMediaType(mediaType); 63a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch String charset = extractCharsetFromMediaType(mediaType); 64a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 65a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch ResourceResponse response; 66a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch response.setMimeType(mimeType); 67a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch response.setTextEncodingName(charset); 68a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch response.setURL(handle->firstRequest().url()); 69a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 70a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch if (base64) { 71a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch data = decodeURLEscapeSequences(data); 72a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch handle->client()->didReceiveResponse(handle, response); 73a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 74a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch Vector<char> out; 75a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch if (base64Decode(data, out, IgnoreWhitespace) && out.size() > 0) { 76a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch response.setExpectedContentLength(out.size()); 77a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch handle->client()->didReceiveData(handle, out.data(), out.size(), 0); 78a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch } 79a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch } else { 80a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch data = decodeURLEscapeSequences(data, TextEncoding(charset)); 81a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch handle->client()->didReceiveResponse(handle, response); 82a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 83a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch CString encodedData = TextEncoding().encode(data.characters(), data.length(), URLEncodedEntitiesForUnencodables); 84a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch response.setExpectedContentLength(encodedData.length()); 85a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch if (encodedData.length()) 86a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch handle->client()->didReceiveData(handle, encodedData.data(), encodedData.length(), 0); 87a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch } 88a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 89a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch handle->client()->didFinishLoading(handle, 0); 90a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch} 91a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 92a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch} // namespace WebCore 93