108 lines
4.0 KiB
C++
108 lines
4.0 KiB
C++
/*
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* Copyright (C) 2013 Google, Inc. All Rights Reserved.
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "XSSAuditorDelegate.h"
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#include "Document.h"
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#include "DocumentLoader.h"
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#include "FormData.h"
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#include "Frame.h"
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#include "FrameLoader.h"
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#include "FrameLoaderClient.h"
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#include "HTMLParserIdioms.h"
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#include "NavigationScheduler.h"
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#include "PingLoader.h"
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#include <wtf/JSONValues.h>
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#include <wtf/text/CString.h>
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namespace WebCore {
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using namespace Inspector;
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XSSAuditorDelegate::XSSAuditorDelegate(Document& document)
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: m_document(document)
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{
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ASSERT(isMainThread());
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}
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static inline String buildConsoleError(const XSSInfo& xssInfo)
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{
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return makeString("The XSS Auditor ",
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xssInfo.m_didBlockEntirePage ? "blocked access to" : "refused to execute a script in", " '",
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xssInfo.m_originalURL, "' because ",
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xssInfo.m_didBlockEntirePage ? "the source code of a script" : "its source code",
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" was found within the request.",
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xssInfo.m_didSendXSSProtectionHeader ? " The server sent an 'X-XSS-Protection' header requesting this behavior."
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: " The auditor was enabled because the server did not send an 'X-XSS-Protection' header.");
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}
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Ref<FormData> XSSAuditorDelegate::generateViolationReport(const XSSInfo& xssInfo)
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{
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ASSERT(isMainThread());
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auto& frameLoader = m_document.frame()->loader();
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String httpBody;
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if (frameLoader.documentLoader()) {
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if (auto formData = makeRefPtr(frameLoader.documentLoader()->originalRequest().httpBody()))
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httpBody = formData->flattenToString();
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}
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auto reportDetails = JSON::Object::create();
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reportDetails->setString("request-url", xssInfo.m_originalURL);
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reportDetails->setString("request-body", httpBody);
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auto reportObject = JSON::Object::create();
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reportObject->setObject("xss-report", WTFMove(reportDetails));
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return FormData::create(reportObject->toJSONString().utf8().data());
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}
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void XSSAuditorDelegate::didBlockScript(const XSSInfo& xssInfo)
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{
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ASSERT(isMainThread());
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m_document.addConsoleMessage(MessageSource::JS, MessageLevel::Error, buildConsoleError(xssInfo));
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FrameLoader& frameLoader = m_document.frame()->loader();
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if (xssInfo.m_didBlockEntirePage)
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frameLoader.stopAllLoaders();
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if (!m_didSendNotifications) {
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m_didSendNotifications = true;
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frameLoader.client().didDetectXSS(m_document.url(), xssInfo.m_didBlockEntirePage);
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if (!m_reportURL.isEmpty())
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PingLoader::sendViolationReport(*m_document.frame(), m_reportURL, generateViolationReport(xssInfo), ViolationReportType::XSSAuditor);
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}
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if (xssInfo.m_didBlockEntirePage)
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m_document.frame()->navigationScheduler().schedulePageBlock(m_document);
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}
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} // namespace WebCore
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