| /* |
| * Copyright (C) 2017 Apple 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: |
| * 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 INC. 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 INC. OR ITS 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 "WebURLSchemeTaskProxy.h" |
| |
| #include "URLSchemeTaskParameters.h" |
| #include "WebCoreArgumentCoders.h" |
| #include "WebPage.h" |
| #include "WebPageProxyMessages.h" |
| #include "WebURLSchemeHandlerProxy.h" |
| #include <WebCore/NetworkLoadMetrics.h> |
| #include <WebCore/ResourceError.h> |
| #include <WebCore/ResourceLoader.h> |
| #include <wtf/CompletionHandler.h> |
| |
| namespace WebKit { |
| using namespace WebCore; |
| |
| WebURLSchemeTaskProxy::WebURLSchemeTaskProxy(WebURLSchemeHandlerProxy& handler, ResourceLoader& loader) |
| : m_urlSchemeHandler(handler) |
| , m_coreLoader(&loader) |
| , m_request(loader.request()) |
| , m_identifier(loader.identifier()) |
| { |
| } |
| |
| void WebURLSchemeTaskProxy::startLoading() |
| { |
| ASSERT(m_coreLoader); |
| m_urlSchemeHandler.page().send(Messages::WebPageProxy::StartURLSchemeTask({m_urlSchemeHandler.identifier(), m_coreLoader->identifier(), m_request})); |
| } |
| |
| void WebURLSchemeTaskProxy::stopLoading() |
| { |
| ASSERT(m_coreLoader); |
| m_urlSchemeHandler.page().send(Messages::WebPageProxy::StopURLSchemeTask(m_urlSchemeHandler.identifier(), m_coreLoader->identifier())); |
| m_coreLoader = nullptr; |
| |
| // This line will result in this being deleted. |
| m_urlSchemeHandler.taskDidStopLoading(*this); |
| } |
| |
| void WebURLSchemeTaskProxy::didPerformRedirection(WebCore::ResourceResponse&& redirectResponse, WebCore::ResourceRequest&& request) |
| { |
| if (!hasLoader()) |
| return; |
| |
| auto completionHandler = [this, protectedThis = makeRef(*this), originalRequest = request] (ResourceRequest&& request) { |
| m_waitingForCompletionHandler = false; |
| // We do not inform the UIProcess of WebKit's new request with the given suggested request. |
| // We do want to know if WebKit would have generated a request that differs from the suggested request, though. |
| if (request.url() != originalRequest.url()) |
| WTFLogAlways("Redirected scheme task would have been sent to a different URL."); |
| |
| processNextPendingTask(); |
| }; |
| |
| if (m_waitingForCompletionHandler) { |
| WTFLogAlways("Received redirect during previous redirect processing, queuing it."); |
| queueTask([this, protectedThis = makeRef(*this), redirectResponse = WTFMove(redirectResponse), request = WTFMove(request)]() mutable { |
| didPerformRedirection(WTFMove(redirectResponse), WTFMove(request)); |
| }); |
| return; |
| } |
| m_waitingForCompletionHandler = true; |
| |
| m_coreLoader->willSendRequest(WTFMove(request), redirectResponse, WTFMove(completionHandler)); |
| } |
| |
| void WebURLSchemeTaskProxy::didReceiveResponse(const ResourceResponse& response) |
| { |
| if (m_waitingForCompletionHandler) { |
| WTFLogAlways("Received response during redirect processing, queuing it."); |
| queueTask([this, protectedThis = makeRef(*this), response] { |
| didReceiveResponse(response); |
| }); |
| return; |
| } |
| |
| if (!hasLoader()) |
| return; |
| |
| m_waitingForCompletionHandler = true; |
| m_coreLoader->didReceiveResponse(response, [this, protectedThis = makeRef(*this)] { |
| m_waitingForCompletionHandler = false; |
| processNextPendingTask(); |
| }); |
| } |
| |
| void WebURLSchemeTaskProxy::didReceiveData(size_t size, const uint8_t* data) |
| { |
| if (!hasLoader()) |
| return; |
| |
| if (m_waitingForCompletionHandler) { |
| WTFLogAlways("Received data during response processing, queuing it."); |
| Vector<uint8_t> dataVector; |
| dataVector.append(data, size); |
| queueTask([this, protectedThis = makeRef(*this), dataVector = WTFMove(dataVector)] { |
| didReceiveData(dataVector.size(), dataVector.data()); |
| }); |
| return; |
| } |
| |
| m_coreLoader->didReceiveData(reinterpret_cast<const char*>(data), size, 0, DataPayloadType::DataPayloadBytes); |
| processNextPendingTask(); |
| } |
| |
| void WebURLSchemeTaskProxy::didComplete(const ResourceError& error) |
| { |
| if (!hasLoader()) |
| return; |
| |
| if (m_waitingForCompletionHandler) { |
| queueTask([this, protectedThis = makeRef(*this), error] { |
| didComplete(error); |
| }); |
| return; |
| } |
| |
| if (error.isNull()) |
| m_coreLoader->didFinishLoading(NetworkLoadMetrics()); |
| else |
| m_coreLoader->didFail(error); |
| |
| m_coreLoader = nullptr; |
| } |
| |
| bool WebURLSchemeTaskProxy::hasLoader() |
| { |
| if (m_coreLoader && m_coreLoader->reachedTerminalState()) |
| m_coreLoader = nullptr; |
| |
| return m_coreLoader; |
| } |
| |
| void WebURLSchemeTaskProxy::processNextPendingTask() |
| { |
| if (!m_queuedTasks.isEmpty()) |
| m_queuedTasks.takeFirst()(); |
| } |
| |
| } // namespace WebKit |