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+/*
+ * Copyright 2009, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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 THE COPYRIGHT HOLDERS ``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.
+ */
+
+#define LOG_TAG "webcore_test"
+#include "config.h"
+
+#include "Base64.h"
+#include "HTTPParsers.h"
+#include "Intercept.h"
+#include "ResourceHandle.h"
+#include "ResourceHandleClient.h"
+#include "ResourceRequest.h"
+#include "ResourceResponse.h"
+#include "TextEncoding.h"
+
+#include <utils/Log.h>
+#include <wtf/HashMap.h>
+#include <wtf/text/CString.h>
+#include <wtf/text/StringHash.h>
+
+PassRefPtr<WebCore::ResourceLoaderAndroid> MyResourceLoader::create(
+ ResourceHandle* handle, String url)
+{
+ return adoptRef<WebCore::ResourceLoaderAndroid>(
+ new MyResourceLoader(handle, url));
+}
+
+void MyResourceLoader::handleRequest()
+{
+ if (protocolIs(m_url, "data"))
+ loadData(m_url.substring(5)); // 5 for data:
+ else if (protocolIs(m_url, "file"))
+ loadFile(m_url.substring(7)); // 7 for file://
+}
+
+void MyResourceLoader::loadData(const String& data)
+{
+ LOGD("Loading data (%s) ...", data.latin1().data());
+ ResourceHandleClient* client = m_handle->client();
+ int index = data.find(',');
+ if (index == -1) {
+ client->cannotShowURL(m_handle);
+ return;
+ }
+
+ String mediaType = data.substring(0, index);
+ String base64 = data.substring(index + 1);
+
+ bool decode = mediaType.endsWith(";base64", false);
+ if (decode)
+ mediaType = mediaType.left(mediaType.length() - 7); // 7 for base64;
+
+ if (mediaType.isEmpty())
+ mediaType = "text/plain;charset=US-ASCII";
+
+ String mimeType = extractMIMETypeFromMediaType(mediaType);
+ String charset = extractCharsetFromMediaType(mediaType);
+
+ ResourceResponse response;
+ response.setMimeType(mimeType);
+
+ if (decode) {
+ base64 = decodeURLEscapeSequences(base64);
+ response.setTextEncodingName(charset);
+ client->didReceiveResponse(m_handle, response);
+
+ // FIXME: This is annoying. WebCore's Base64 decoder chokes on spaces.
+ // That is correct with strict decoding but html authors (particularly
+ // the acid3 authors) put spaces in the data which should be ignored.
+ // Remove them here before sending to the decoder.
+ Vector<char> in;
+ CString str = base64.latin1();
+ const char* chars = str.data();
+ unsigned i = 0;
+ while (i < str.length()) {
+ char c = chars[i];
+ // Don't send spaces or control characters.
+ if (c != ' ' && c != '\n' && c != '\t' && c != '\b'
+ && c != '\f' && c != '\r')
+ in.append(chars[i]);
+ i++;
+ }
+ Vector<char> out;
+ if (base64Decode(in, out) && out.size() > 0)
+ client->didReceiveData(m_handle, out.data(), out.size(), 0);
+ } else {
+ base64 = decodeURLEscapeSequences(base64, TextEncoding(charset));
+ response.setTextEncodingName("UTF-16");
+ client->didReceiveResponse(m_handle, response);
+ if (base64.length() > 0)
+ client->didReceiveData(m_handle, (const char*)base64.characters(),
+ base64.length() * sizeof(UChar), 0);
+ }
+ client->didFinishLoading(m_handle, 0);
+}
+static String mimeTypeForExtension(const String& file)
+{
+ static HashMap<String, String, CaseFoldingHash> extensionToMime;
+ if (extensionToMime.isEmpty()) {
+ extensionToMime.set("txt", "text/plain");
+ extensionToMime.set("html", "text/html");
+ extensionToMime.set("htm", "text/html");
+ extensionToMime.set("png", "image/png");
+ extensionToMime.set("jpeg", "image/jpeg");
+ extensionToMime.set("jpg", "image/jpeg");
+ extensionToMime.set("gif", "image/gif");
+ extensionToMime.set("ico", "image/x-icon");
+ extensionToMime.set("js", "text/javascript");
+ }
+ int dot = file.reverseFind('.');
+ String mime("text/plain");
+ if (dot != -1) {
+ String ext = file.substring(dot + 1);
+ if (extensionToMime.contains(ext))
+ mime = extensionToMime.get(ext);
+ }
+ return mime;
+}
+
+void MyResourceLoader::loadFile(const String& file)
+{
+ LOGD("Loading file (%s) ...", file.latin1().data());
+ FILE* f = fopen(file.latin1().data(), "r");
+ ResourceHandleClient* client = m_handle->client();
+ if (!f) {
+ client->didFail(m_handle,
+ ResourceError("", -14, file, "Could not open file"));
+ } else {
+ ResourceResponse response;
+ response.setTextEncodingName("utf-8");
+ response.setMimeType(mimeTypeForExtension(file));
+ client->didReceiveResponse(m_handle, response);
+ char buf[512];
+ while (true) {
+ int res = fread(buf, 1, sizeof(buf), f);
+ if (res <= 0)
+ break;
+ client->didReceiveData(m_handle, buf, res, 0);
+ }
+ fclose(f);
+ client->didFinishLoading(m_handle, 0);
+ }
+}
+
+PassRefPtr<WebCore::ResourceLoaderAndroid> MyWebFrame::startLoadingResource(
+ ResourceHandle* handle, const ResourceRequest& req, bool ignore,
+ bool ignore2)
+{
+ RefPtr<WebCore::ResourceLoaderAndroid> loader =
+ MyResourceLoader::create(handle, req.url().string());
+ m_requests.append(loader);
+ if (!m_timer.isActive())
+ m_timer.startOneShot(0);
+ return loader.release();
+}
+
+void MyWebFrame::timerFired(Timer<MyWebFrame>*)
+{
+ LOGD("Handling requests...");
+ Vector<RefPtr<WebCore::ResourceLoaderAndroid> > reqs;
+ reqs.swap(m_requests);
+ Vector<RefPtr<WebCore::ResourceLoaderAndroid> >::iterator i = reqs.begin();
+ Vector<RefPtr<WebCore::ResourceLoaderAndroid> >::iterator end = reqs.end();
+ for (; i != end; i++)
+ static_cast<MyResourceLoader*>((*i).get())->handleRequest();
+
+ LOGD("...done");
+}