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/*
* Copyright (C) 2009, 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 "ThreadableWebSocketChannel.h"
#include "ContentRuleListResults.h"
#include "Document.h"
#include "Page.h"
#include "RuntimeEnabledFeatures.h"
#include "ScriptExecutionContext.h"
#include "SocketProvider.h"
#include "ThreadableWebSocketChannelClientWrapper.h"
#include "UserContentProvider.h"
#include "WebSocketChannel.h"
#include "WebSocketChannelClient.h"
#include "WorkerGlobalScope.h"
#include "WorkerRunLoop.h"
#include "WorkerThread.h"
#include "WorkerThreadableWebSocketChannel.h"
namespace WebCore {
Ref<ThreadableWebSocketChannel> ThreadableWebSocketChannel::create(Document& document, WebSocketChannelClient& client, SocketProvider& provider)
{
#if USE(SOUP)
auto channel = provider.createWebSocketChannel(document, client);
ASSERT(channel);
return channel.releaseNonNull();
#else
#if HAVE(NSURLSESSION_WEBSOCKET)
if (RuntimeEnabledFeatures::sharedFeatures().isNSURLSessionWebSocketEnabled()) {
if (auto channel = provider.createWebSocketChannel(document, client))
return channel.releaseNonNull();
}
#endif
return WebSocketChannel::create(document, client, provider);
#endif
}
Ref<ThreadableWebSocketChannel> ThreadableWebSocketChannel::create(ScriptExecutionContext& context, WebSocketChannelClient& client, SocketProvider& provider)
{
if (is<WorkerGlobalScope>(context)) {
WorkerGlobalScope& workerGlobalScope = downcast<WorkerGlobalScope>(context);
WorkerRunLoop& runLoop = workerGlobalScope.thread().runLoop();
return WorkerThreadableWebSocketChannel::create(workerGlobalScope, client, makeString("webSocketChannelMode", runLoop.createUniqueId()), provider);
}
return create(downcast<Document>(context), client, provider);
}
Optional<ThreadableWebSocketChannel::ValidatedURL> ThreadableWebSocketChannel::validateURL(Document& document, const URL& requestedURL)
{
ValidatedURL validatedURL { requestedURL, true };
#if ENABLE(CONTENT_EXTENSIONS)
if (auto* page = document.page()) {
if (auto* documentLoader = document.loader()) {
auto results = page->userContentProvider().processContentRuleListsForLoad(validatedURL.url, ContentExtensions::ResourceType::Raw, *documentLoader);
if (results.summary.blockedLoad)
return { };
if (results.summary.madeHTTPS) {
ASSERT(validatedURL.url.protocolIs("ws"));
validatedURL.url.setProtocol("wss");
}
validatedURL.areCookiesAllowed = !results.summary.blockedCookies;
}
}
#else
UNUSED_PARAM(document);
#endif
return validatedURL;
}
Optional<ResourceRequest> ThreadableWebSocketChannel::webSocketConnectRequest(Document& document, const URL& url)
{
auto validatedURL = validateURL(document, url);
if (!validatedURL)
return { };
ResourceRequest request { validatedURL->url };
request.setHTTPUserAgent(document.userAgent(validatedURL->url));
request.setDomainForCachePartition(document.domainForCachePartition());
request.setAllowCookies(validatedURL->areCookiesAllowed);
request.setFirstPartyForCookies(document.firstPartyForCookies());
request.setHTTPHeaderField(HTTPHeaderName::Origin, document.securityOrigin().toString());
// Add no-cache headers to avoid compatibility issue.
// There are some proxies that rewrite "Connection: upgrade"
// to "Connection: close" in the response if a request doesn't contain
// these headers.
request.addHTTPHeaderField(HTTPHeaderName::Pragma, "no-cache");
request.addHTTPHeaderField(HTTPHeaderName::CacheControl, "no-cache");
return request;
}
} // namespace WebCore