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Unified Diff: Source/modules/websockets/WebSocketExtensionDispatcher.cpp

Issue 639333003: Delete the old WebSocket implementation. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 6 years, 2 months ago
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Index: Source/modules/websockets/WebSocketExtensionDispatcher.cpp
diff --git a/Source/modules/websockets/WebSocketExtensionDispatcher.cpp b/Source/modules/websockets/WebSocketExtensionDispatcher.cpp
deleted file mode 100644
index 36ff82fb9bc3b15fb494bc437d4990745c3c850c..0000000000000000000000000000000000000000
--- a/Source/modules/websockets/WebSocketExtensionDispatcher.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (C) 2012 Google 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:
- *
- * * 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.
- * * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
- * OWNER 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 "modules/websockets/WebSocketExtensionDispatcher.h"
-
-#include "modules/websockets/WebSocketExtensionParser.h"
-
-#include "wtf/ASCIICType.h"
-#include "wtf/HashMap.h"
-#include "wtf/text/CString.h"
-#include "wtf/text/StringHash.h"
-
-namespace blink {
-
-void WebSocketExtensionDispatcher::reset()
-{
- m_processors.clear();
-}
-
-void WebSocketExtensionDispatcher::addProcessor(PassOwnPtr<WebSocketExtensionProcessor> processor)
-{
- for (size_t i = 0; i < m_processors.size(); ++i) {
- if (m_processors[i]->extensionToken() == processor->extensionToken())
- return;
- }
- ASSERT(processor->handshakeString().length());
- ASSERT(!processor->handshakeString().contains('\n'));
- ASSERT(!processor->handshakeString().contains(static_cast<UChar>('\0')));
- m_processors.append(processor);
-}
-
-const String WebSocketExtensionDispatcher::createHeaderValue() const
-{
- size_t numProcessors = m_processors.size();
- if (!numProcessors)
- return String();
-
- StringBuilder builder;
- builder.append(m_processors[0]->handshakeString());
- for (size_t i = 1; i < numProcessors; ++i) {
- builder.appendLiteral(", ");
- builder.append(m_processors[i]->handshakeString());
- }
- return builder.toString();
-}
-
-void WebSocketExtensionDispatcher::appendAcceptedExtension(const String& extensionToken, HashMap<String, String>& extensionParameters)
-{
- if (!m_acceptedExtensionsBuilder.isEmpty())
- m_acceptedExtensionsBuilder.appendLiteral(", ");
- m_acceptedExtensionsBuilder.append(extensionToken);
- // FIXME: Should use ListHashSet to keep the order of the parameters.
- for (HashMap<String, String>::const_iterator iterator = extensionParameters.begin(); iterator != extensionParameters.end(); ++iterator) {
- m_acceptedExtensionsBuilder.appendLiteral("; ");
- m_acceptedExtensionsBuilder.append(iterator->key);
- if (!iterator->value.isNull()) {
- m_acceptedExtensionsBuilder.append('=');
- m_acceptedExtensionsBuilder.append(iterator->value);
- }
- }
-}
-
-void WebSocketExtensionDispatcher::fail(const String& reason)
-{
- m_failureReason = reason;
- m_acceptedExtensionsBuilder.clear();
-}
-
-bool WebSocketExtensionDispatcher::processHeaderValue(const String& headerValue)
-{
- if (!headerValue.length())
- return true;
-
- // If we don't send Sec-WebSocket-Extensions header, the server should not return the header.
- if (!m_processors.size()) {
- fail("Response must not include 'Sec-WebSocket-Extensions' header if not present in request: " + headerValue);
- return false;
- }
-
- const CString headerValueData = headerValue.utf8();
- WebSocketExtensionParser parser(headerValueData.data(), headerValueData.data() + headerValueData.length());
- while (!parser.finished()) {
- String extensionToken;
- HashMap<String, String> extensionParameters;
- if (!parser.parseExtension(extensionToken, extensionParameters)) {
- fail("Invalid 'Sec-WebSocket-Extensions' header");
- return false;
- }
-
- size_t index;
- for (index = 0; index < m_processors.size(); ++index) {
- WebSocketExtensionProcessor* processor = m_processors[index].get();
- if (extensionToken == processor->extensionToken()) {
- if (processor->processResponse(extensionParameters)) {
- appendAcceptedExtension(extensionToken, extensionParameters);
- break;
- }
- fail("Error in " + extensionToken + ": " + processor->failureReason());
- return false;
- }
- }
- // There is no extension which can process the response.
- if (index == m_processors.size()) {
- fail("Found an unsupported extension '" + extensionToken + "' in 'Sec-WebSocket-Extensions' header");
- return false;
- }
- }
- return parser.parsedSuccessfully();
-}
-
-String WebSocketExtensionDispatcher::acceptedExtensions() const
-{
- if (m_acceptedExtensionsBuilder.isEmpty())
- return String();
- return m_acceptedExtensionsBuilder.toString();
-}
-
-String WebSocketExtensionDispatcher::failureReason() const
-{
- return m_failureReason;
-}
-
-} // namespace blink

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