| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * Copyright (C) 2015 Roopesh Chander (roop@roopc.net) |
| * Copyright (C) 2015-2021 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: |
| * |
| * * 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 "PingLoader.h" |
| |
| #include "CachedResourceLoader.h" |
| #include "CachedResourceRequest.h" |
| #include "ContentRuleListResults.h" |
| #include "ContentSecurityPolicy.h" |
| #include "Document.h" |
| #include "Frame.h" |
| #include "FrameLoader.h" |
| #include "FrameLoaderClient.h" |
| #include "HTTPHeaderValues.h" |
| #include "InspectorInstrumentation.h" |
| #include "LoaderStrategy.h" |
| #include "NetworkLoadMetrics.h" |
| #include "Page.h" |
| #include "PlatformStrategies.h" |
| #include "ProgressTracker.h" |
| #include "ReportingEndpointsCache.h" |
| #include "ResourceError.h" |
| #include "ResourceHandle.h" |
| #include "ResourceLoadInfo.h" |
| #include "ResourceRequest.h" |
| #include "ResourceResponse.h" |
| #include "SecurityOrigin.h" |
| #include "SecurityPolicy.h" |
| #include "UserContentController.h" |
| #include <wtf/text/CString.h> |
| |
| namespace WebCore { |
| |
| #if ENABLE(CONTENT_EXTENSIONS) |
| |
| // Returns true if we should block the load. |
| static bool processContentRuleListsForLoad(const Frame& frame, ResourceRequest& request, OptionSet<ContentExtensions::ResourceType> resourceType) |
| { |
| auto* documentLoader = frame.loader().documentLoader(); |
| if (!documentLoader) |
| return false; |
| auto* page = frame.page(); |
| if (!page) |
| return false; |
| auto results = page->userContentProvider().processContentRuleListsForLoad(*page, request.url(), resourceType, *documentLoader); |
| bool result = results.summary.blockedLoad; |
| ContentExtensions::applyResultsToRequest(WTFMove(results), page, request); |
| return result; |
| } |
| |
| #endif |
| |
| void PingLoader::loadImage(Frame& frame, const URL& url) |
| { |
| ASSERT(frame.document()); |
| auto& document = *frame.document(); |
| |
| if (!document.securityOrigin().canDisplay(url)) { |
| FrameLoader::reportLocalLoadFailed(&frame, url.string()); |
| return; |
| } |
| |
| if (!portAllowed(url)) { |
| FrameLoader::reportBlockedLoadFailed(frame, url); |
| return; |
| } |
| |
| ResourceRequest request(url); |
| #if ENABLE(CONTENT_EXTENSIONS) |
| if (processContentRuleListsForLoad(frame, request, ContentExtensions::ResourceType::Image)) |
| return; |
| #endif |
| |
| document.contentSecurityPolicy()->upgradeInsecureRequestIfNeeded(request, ContentSecurityPolicy::InsecureRequestType::Load); |
| |
| request.setHTTPHeaderField(HTTPHeaderName::CacheControl, HTTPHeaderValues::maxAge0()); |
| |
| HTTPHeaderMap originalRequestHeader = request.httpHeaderFields(); |
| |
| String referrer = SecurityPolicy::generateReferrerHeader(document.referrerPolicy(), request.url(), frame.loader().outgoingReferrer()); |
| if (!referrer.isEmpty()) |
| request.setHTTPReferrer(referrer); |
| frame.loader().updateRequestAndAddExtraFields(request, IsMainResource::No); |
| |
| startPingLoad(frame, request, WTFMove(originalRequestHeader), ShouldFollowRedirects::Yes, ContentSecurityPolicyImposition::DoPolicyCheck, ReferrerPolicy::EmptyString); |
| } |
| |
| // http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#hyperlink-auditing |
| void PingLoader::sendPing(Frame& frame, const URL& pingURL, const URL& destinationURL) |
| { |
| ASSERT(frame.document()); |
| |
| if (!pingURL.protocolIsInHTTPFamily()) |
| return; |
| |
| ResourceRequest request(pingURL); |
| request.setRequester(ResourceRequest::Requester::Ping); |
| |
| #if ENABLE(CONTENT_EXTENSIONS) |
| if (processContentRuleListsForLoad(frame, request, ContentExtensions::ResourceType::Ping)) |
| return; |
| #endif |
| |
| auto& document = *frame.document(); |
| document.contentSecurityPolicy()->upgradeInsecureRequestIfNeeded(request, ContentSecurityPolicy::InsecureRequestType::Load); |
| |
| request.setHTTPMethod("POST"); |
| request.setHTTPContentType("text/ping"); |
| request.setHTTPBody(FormData::create("PING")); |
| request.setHTTPHeaderField(HTTPHeaderName::CacheControl, HTTPHeaderValues::maxAge0()); |
| |
| HTTPHeaderMap originalRequestHeader = request.httpHeaderFields(); |
| |
| auto& sourceOrigin = document.securityOrigin(); |
| FrameLoader::addHTTPOriginIfNeeded(request, SecurityPolicy::generateOriginHeader(document.referrerPolicy(), request.url(), sourceOrigin)); |
| |
| frame.loader().updateRequestAndAddExtraFields(request, IsMainResource::No); |
| request.setHTTPHeaderField(HTTPHeaderName::PingTo, destinationURL.string()); |
| if (!SecurityPolicy::shouldHideReferrer(pingURL, frame.loader().outgoingReferrer())) |
| request.setHTTPHeaderField(HTTPHeaderName::PingFrom, document.url().string()); |
| |
| startPingLoad(frame, request, WTFMove(originalRequestHeader), ShouldFollowRedirects::Yes, ContentSecurityPolicyImposition::DoPolicyCheck, ReferrerPolicy::NoReferrer); |
| } |
| |
| void PingLoader::sendViolationReport(Frame& frame, const URL& reportURL, Ref<FormData>&& report, ViolationReportType reportType) |
| { |
| ASSERT(frame.document()); |
| |
| ResourceRequest request(reportURL); |
| #if ENABLE(CONTENT_EXTENSIONS) |
| if (processContentRuleListsForLoad(frame, request, ContentExtensions::ResourceType::Other)) |
| return; |
| #endif |
| |
| auto& document = *frame.document(); |
| document.contentSecurityPolicy()->upgradeInsecureRequestIfNeeded(request, ContentSecurityPolicy::InsecureRequestType::Load); |
| |
| request.setHTTPMethod("POST"_s); |
| request.setHTTPBody(WTFMove(report)); |
| switch (reportType) { |
| case ViolationReportType::ContentSecurityPolicy: |
| request.setHTTPContentType("application/csp-report"_s); |
| break; |
| case ViolationReportType::StandardReportingAPIViolation: |
| request.setHTTPContentType("application/reports+json"_s); |
| break; |
| } |
| |
| bool removeCookies = true; |
| if (document.securityOrigin().isSameSchemeHostPort(SecurityOrigin::create(reportURL).get())) |
| removeCookies = false; |
| if (removeCookies) |
| request.setAllowCookies(false); |
| |
| HTTPHeaderMap originalRequestHeader = request.httpHeaderFields(); |
| |
| if (reportType != ViolationReportType::StandardReportingAPIViolation) |
| frame.loader().updateRequestAndAddExtraFields(request, IsMainResource::No); |
| |
| String referrer = SecurityPolicy::generateReferrerHeader(document.referrerPolicy(), reportURL, frame.loader().outgoingReferrer()); |
| if (!referrer.isEmpty()) |
| request.setHTTPReferrer(referrer); |
| |
| startPingLoad(frame, request, WTFMove(originalRequestHeader), ShouldFollowRedirects::No, ContentSecurityPolicyImposition::SkipPolicyCheck, ReferrerPolicy::EmptyString, reportType); |
| } |
| |
| void PingLoader::startPingLoad(Frame& frame, ResourceRequest& request, HTTPHeaderMap&& originalRequestHeaders, ShouldFollowRedirects shouldFollowRedirects, ContentSecurityPolicyImposition policyCheck, ReferrerPolicy referrerPolicy, std::optional<ViolationReportType> violationReportType) |
| { |
| auto identifier = ResourceLoaderIdentifier::generate(); |
| // FIXME: Why activeDocumentLoader? I would have expected documentLoader(). |
| // It seems like the PingLoader should be associated with the current |
| // Document in the Frame, but the activeDocumentLoader will be associated |
| // with the provisional DocumentLoader if there is a provisional |
| // DocumentLoader. |
| bool shouldUseCredentialStorage = frame.loader().client().shouldUseCredentialStorage(frame.loader().activeDocumentLoader(), identifier); |
| ResourceLoaderOptions options; |
| options.credentials = shouldUseCredentialStorage ? FetchOptions::Credentials::Include : FetchOptions::Credentials::Omit; |
| options.redirect = shouldFollowRedirects == ShouldFollowRedirects::Yes ? FetchOptions::Redirect::Follow : FetchOptions::Redirect::Error; |
| options.keepAlive = true; |
| options.contentSecurityPolicyImposition = policyCheck; |
| options.referrerPolicy = referrerPolicy; |
| options.sendLoadCallbacks = SendCallbackPolicy::SendCallbacks; |
| options.cache = FetchOptions::Cache::NoCache; |
| |
| // https://www.w3.org/TR/reporting/#try-delivery |
| if (violationReportType == ViolationReportType::StandardReportingAPIViolation) { |
| options.credentials = FetchOptions::Credentials::SameOrigin; |
| options.mode = FetchOptions::Mode::Cors; |
| options.serviceWorkersMode = ServiceWorkersMode::None; |
| options.destination = FetchOptions::Destination::Report; |
| } |
| |
| // FIXME: Deprecate the ping load code path. |
| if (platformStrategies()->loaderStrategy()->usePingLoad()) { |
| InspectorInstrumentation::willSendRequestOfType(&frame, identifier, frame.loader().activeDocumentLoader(), request, InspectorInstrumentation::LoadType::Ping); |
| |
| platformStrategies()->loaderStrategy()->startPingLoad(frame, request, WTFMove(originalRequestHeaders), options, policyCheck, [protectedFrame = Ref { frame }, identifier] (const ResourceError& error, const ResourceResponse& response) { |
| if (!response.isNull()) |
| InspectorInstrumentation::didReceiveResourceResponse(protectedFrame, identifier, protectedFrame->loader().activeDocumentLoader(), response, nullptr); |
| if (!error.isNull()) { |
| InspectorInstrumentation::didFailLoading(protectedFrame.ptr(), protectedFrame->loader().activeDocumentLoader(), identifier, error); |
| return; |
| } |
| InspectorInstrumentation::didFinishLoading(protectedFrame.ptr(), protectedFrame->loader().activeDocumentLoader(), identifier, { }, nullptr); |
| }); |
| return; |
| } |
| |
| CachedResourceRequest cachedResourceRequest { ResourceRequest { request }, options }; |
| frame.document()->cachedResourceLoader().requestPingResource(WTFMove(cachedResourceRequest)); |
| } |
| |
| // // https://html.spec.whatwg.org/multipage/origin.html#sanitize-url-report |
| String PingLoader::sanitizeURLForReport(const URL& url) |
| { |
| URL sanitizedURL = url; |
| sanitizedURL.removeCredentials(); |
| sanitizedURL.removeFragmentIdentifier(); |
| return sanitizedURL.string(); |
| } |
| |
| // https://www.w3.org/TR/reporting/#try-delivery |
| void PingLoader::sendReportToEndpoint(Frame& frame, const SecurityOriginData& origin, const String& endpoint, const String& type, const URL& reportURL, const String& userAgent, const Function<void(JSON::Object&)>& populateReportBody) |
| { |
| ASSERT(!endpoint.isEmpty()); |
| auto reportingEndpointsCache = frame.page() ? frame.page()->reportingEndpointsCache() : nullptr; |
| if (!reportingEndpointsCache) |
| return; |
| auto endpointURL = reportingEndpointsCache->endpointURL(origin, endpoint); |
| if (!endpointURL.isValid()) |
| return; |
| |
| auto body = JSON::Object::create(); |
| populateReportBody(body); |
| |
| auto reportObject = JSON::Object::create(); |
| reportObject->setString("type"_s, type); |
| if (reportURL.isValid()) |
| reportObject->setString("url"_s, reportURL.string()); |
| reportObject->setString("user_agent", userAgent); |
| reportObject->setInteger("age", 0); // We currently do not delay sending the reports. |
| reportObject->setObject("body"_s, WTFMove(body)); |
| |
| auto reportList = JSON::Array::create(); |
| reportList->pushObject(reportObject); |
| |
| auto report = FormData::create(reportList->toJSONString().utf8()); |
| sendViolationReport(frame, endpointURL, WTFMove(report), ViolationReportType::StandardReportingAPIViolation); |
| } |
| |
| } // namespace WebCore |