1/*
2 * Copyright (C) 2012-2019 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "NetworkResourceLoader.h"
28
29#include "DataReference.h"
30#include "FormDataReference.h"
31#include "Logging.h"
32#include "NetworkCache.h"
33#include "NetworkConnectionToWebProcess.h"
34#include "NetworkLoad.h"
35#include "NetworkLoadChecker.h"
36#include "NetworkProcess.h"
37#include "NetworkProcessConnectionMessages.h"
38#include "NetworkSession.h"
39#include "SharedBufferDataReference.h"
40#include "WebCoreArgumentCoders.h"
41#include "WebErrors.h"
42#include "WebPageMessages.h"
43#include "WebResourceLoaderMessages.h"
44#include "WebsiteDataStoreParameters.h"
45#include <WebCore/BlobDataFileReference.h>
46#include <WebCore/CertificateInfo.h>
47#include <WebCore/ContentSecurityPolicy.h>
48#include <WebCore/DiagnosticLoggingKeys.h>
49#include <WebCore/HTTPParsers.h>
50#include <WebCore/NetworkLoadMetrics.h>
51#include <WebCore/NetworkStorageSession.h>
52#include <WebCore/RegistrableDomain.h>
53#include <WebCore/SameSiteInfo.h>
54#include <WebCore/SecurityOrigin.h>
55#include <WebCore/SharedBuffer.h>
56#include <wtf/RunLoop.h>
57
58#if USE(QUICK_LOOK)
59#include <WebCore/PreviewConverter.h>
60#endif
61
62#define RELEASE_LOG_IF_ALLOWED(fmt, ...) RELEASE_LOG_IF(isAlwaysOnLoggingAllowed(), Network, "%p - NetworkResourceLoader::" fmt, this, ##__VA_ARGS__)
63#define RELEASE_LOG_ERROR_IF_ALLOWED(fmt, ...) RELEASE_LOG_ERROR_IF(isAlwaysOnLoggingAllowed(), Network, "%p - NetworkResourceLoader::" fmt, this, ##__VA_ARGS__)
64
65namespace WebKit {
66using namespace WebCore;
67
68struct NetworkResourceLoader::SynchronousLoadData {
69 WTF_MAKE_STRUCT_FAST_ALLOCATED;
70
71 SynchronousLoadData(Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply&& reply)
72 : delayedReply(WTFMove(reply))
73 {
74 ASSERT(delayedReply);
75 }
76 ResourceRequest currentRequest;
77 Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply delayedReply;
78 ResourceResponse response;
79 ResourceError error;
80};
81
82static void sendReplyToSynchronousRequest(NetworkResourceLoader::SynchronousLoadData& data, const SharedBuffer* buffer)
83{
84 ASSERT(data.delayedReply);
85 ASSERT(!data.response.isNull() || !data.error.isNull());
86
87 Vector<char> responseBuffer;
88 if (buffer && buffer->size())
89 responseBuffer.append(buffer->data(), buffer->size());
90
91 data.delayedReply(data.error, data.response, responseBuffer);
92 data.delayedReply = nullptr;
93}
94
95NetworkResourceLoader::NetworkResourceLoader(NetworkResourceLoadParameters&& parameters, NetworkConnectionToWebProcess& connection, Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply&& synchronousReply)
96 : m_parameters { WTFMove(parameters) }
97 , m_connection { connection }
98 , m_fileReferences(connection.resolveBlobReferences(m_parameters))
99 , m_isAllowedToAskUserForCredentials { m_parameters.clientCredentialPolicy == ClientCredentialPolicy::MayAskClientForCredentials }
100 , m_bufferingTimer { *this, &NetworkResourceLoader::bufferingTimerFired }
101 , m_cache { sessionID().isEphemeral() ? nullptr : connection.networkProcess().cache() }
102 , m_shouldCaptureExtraNetworkLoadMetrics(m_connection->captureExtraNetworkLoadMetricsEnabled())
103{
104 ASSERT(RunLoop::isMain());
105 // FIXME: This is necessary because of the existence of EmptyFrameLoaderClient in WebCore.
106 // Once bug 116233 is resolved, this ASSERT can just be "m_webPageID && m_webFrameID"
107 ASSERT((m_parameters.webPageID && m_parameters.webFrameID) || m_parameters.clientCredentialPolicy == ClientCredentialPolicy::CannotAskClientForCredentials);
108
109 if (synchronousReply || parameters.shouldRestrictHTTPResponseAccess || parameters.options.keepAlive) {
110 NetworkLoadChecker::LoadType requestLoadType = isMainFrameLoad() ? NetworkLoadChecker::LoadType::MainFrame : NetworkLoadChecker::LoadType::Other;
111 m_networkLoadChecker = std::make_unique<NetworkLoadChecker>(connection.networkProcess(), FetchOptions { m_parameters.options }, m_parameters.sessionID, m_parameters.webPageID, m_parameters.webFrameID, HTTPHeaderMap { m_parameters.originalRequestHeaders }, URL { m_parameters.request.url() }, m_parameters.sourceOrigin.copyRef(), m_parameters.preflightPolicy, originalRequest().httpReferrer(), m_parameters.isHTTPSUpgradeEnabled, shouldCaptureExtraNetworkLoadMetrics(), requestLoadType);
112 if (m_parameters.cspResponseHeaders)
113 m_networkLoadChecker->setCSPResponseHeaders(ContentSecurityPolicyResponseHeaders { m_parameters.cspResponseHeaders.value() });
114#if ENABLE(CONTENT_EXTENSIONS)
115 m_networkLoadChecker->setContentExtensionController(URL { m_parameters.mainDocumentURL }, m_parameters.userContentControllerIdentifier);
116#endif
117 }
118 if (synchronousReply)
119 m_synchronousLoadData = std::make_unique<SynchronousLoadData>(WTFMove(synchronousReply));
120}
121
122NetworkResourceLoader::~NetworkResourceLoader()
123{
124 ASSERT(RunLoop::isMain());
125 ASSERT(!m_networkLoad);
126 ASSERT(!isSynchronous() || !m_synchronousLoadData->delayedReply);
127 ASSERT(m_fileReferences.isEmpty());
128 if (m_responseCompletionHandler)
129 m_responseCompletionHandler(PolicyAction::Ignore);
130}
131
132bool NetworkResourceLoader::canUseCache(const ResourceRequest& request) const
133{
134 if (!m_cache)
135 return false;
136 ASSERT(!sessionID().isEphemeral());
137
138 if (!request.url().protocolIsInHTTPFamily())
139 return false;
140 if (originalRequest().cachePolicy() == WebCore::ResourceRequestCachePolicy::DoNotUseAnyCache)
141 return false;
142
143 return true;
144}
145
146bool NetworkResourceLoader::canUseCachedRedirect(const ResourceRequest& request) const
147{
148 if (!canUseCache(request) || m_cacheEntryForMaxAgeCapValidation)
149 return false;
150 // Limit cached redirects to avoid cycles and other trouble.
151 // Networking layer follows over 30 redirects but caching that many seems unnecessary.
152 static const unsigned maximumCachedRedirectCount { 5 };
153 if (m_redirectCount > maximumCachedRedirectCount)
154 return false;
155
156 return true;
157}
158
159bool NetworkResourceLoader::isSynchronous() const
160{
161 return !!m_synchronousLoadData;
162}
163
164void NetworkResourceLoader::start()
165{
166 ASSERT(RunLoop::isMain());
167
168 m_networkActivityTracker = m_connection->startTrackingResourceLoad(m_parameters.webPageID, m_parameters.identifier, isMainResource(), sessionID());
169
170 ASSERT(!m_wasStarted);
171 m_wasStarted = true;
172
173 if (m_networkLoadChecker) {
174 m_networkLoadChecker->check(ResourceRequest { originalRequest() }, this, [this] (auto&& result) {
175 WTF::switchOn(result,
176 [this] (ResourceError& error) {
177 RELEASE_LOG_IF_ALLOWED("start: error checking (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d, parentPID = %d, error.domain = %{public}s, error.code = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, this->isMainResource(), this->isSynchronous(), m_parameters.parentPID, error.domain().utf8().data(), error.errorCode());
178 if (!error.isCancellation())
179 this->didFailLoading(error);
180 },
181 [this] (NetworkLoadChecker::RedirectionTriplet& triplet) {
182 this->m_isWaitingContinueWillSendRequestForCachedRedirect = true;
183 this->willSendRedirectedRequest(WTFMove(triplet.request), WTFMove(triplet.redirectRequest), WTFMove(triplet.redirectResponse));
184 RELEASE_LOG_IF_ALLOWED("start: synthetic redirect sent because request URL was modified (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d, parentPID = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, this->isMainResource(), this->isSynchronous(), m_parameters.parentPID);
185 },
186 [this] (ResourceRequest& request) {
187 if (this->canUseCache(request)) {
188 RELEASE_LOG_IF_ALLOWED("start: Checking cache for resource (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d, parentPID = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, this->isMainResource(), this->isSynchronous(), m_parameters.parentPID);
189 this->retrieveCacheEntry(request);
190 return;
191 }
192
193 this->startNetworkLoad(WTFMove(request), FirstLoad::Yes);
194 }
195 );
196 });
197 return;
198 }
199 // FIXME: Remove that code path once m_networkLoadChecker is used for all network loads.
200 if (canUseCache(originalRequest())) {
201 RELEASE_LOG_IF_ALLOWED("start: Checking cache for resource (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d, parentPID = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, isMainResource(), isSynchronous(), m_parameters.parentPID);
202 retrieveCacheEntry(originalRequest());
203 return;
204 }
205
206 startNetworkLoad(ResourceRequest { originalRequest() }, FirstLoad::Yes);
207}
208
209void NetworkResourceLoader::retrieveCacheEntry(const ResourceRequest& request)
210{
211 ASSERT(canUseCache(request));
212
213 RefPtr<NetworkResourceLoader> loader(this);
214 if (isMainFrameLoad()) {
215 ASSERT(m_parameters.options.mode == FetchOptions::Mode::Navigate);
216 if (auto session = m_connection->networkProcess().networkSession(sessionID())) {
217 if (auto entry = session->prefetchCache().take(request.url()))
218 m_cache->store(request, entry->response, entry->releaseBuffer(), nullptr);
219 }
220 }
221 m_cache->retrieve(request, { m_parameters.webPageID, m_parameters.webFrameID }, [this, loader = WTFMove(loader), request = ResourceRequest { request }](auto entry, auto info) mutable {
222 if (loader->hasOneRef()) {
223 // The loader has been aborted and is only held alive by this lambda.
224 return;
225 }
226
227 loader->logSlowCacheRetrieveIfNeeded(info);
228
229 if (!entry) {
230 RELEASE_LOG_IF_ALLOWED("retrieveCacheEntry: Resource not in cache (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, isMainResource(), isSynchronous());
231 loader->startNetworkLoad(WTFMove(request), FirstLoad::Yes);
232 return;
233 }
234#if ENABLE(RESOURCE_LOAD_STATISTICS)
235 if (entry->hasReachedPrevalentResourceAgeCap()) {
236 RELEASE_LOG_IF_ALLOWED("retrieveCacheEntry: Resource has reached prevalent resource age cap (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, isMainResource(), isSynchronous());
237 m_cacheEntryForMaxAgeCapValidation = WTFMove(entry);
238 ResourceRequest revalidationRequest = originalRequest();
239 loader->startNetworkLoad(WTFMove(revalidationRequest), FirstLoad::Yes);
240 return;
241 }
242#endif
243 if (entry->redirectRequest()) {
244 RELEASE_LOG_IF_ALLOWED("retrieveCacheEntry: Handling redirect (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, isMainResource(), isSynchronous());
245 loader->dispatchWillSendRequestForCacheEntry(WTFMove(request), WTFMove(entry));
246 return;
247 }
248 if (loader->m_parameters.needsCertificateInfo && !entry->response().certificateInfo()) {
249 RELEASE_LOG_IF_ALLOWED("retrieveCacheEntry: Resource does not have required certificate (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, isMainResource(), isSynchronous());
250 loader->startNetworkLoad(WTFMove(request), FirstLoad::Yes);
251 return;
252 }
253 if (entry->needsValidation() || request.cachePolicy() == WebCore::ResourceRequestCachePolicy::RefreshAnyCacheData) {
254 RELEASE_LOG_IF_ALLOWED("retrieveCacheEntry: Validating cache entry (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, isMainResource(), isSynchronous());
255 loader->validateCacheEntry(WTFMove(entry));
256 return;
257 }
258 RELEASE_LOG_IF_ALLOWED("retrieveCacheEntry: Retrieved resource from cache (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, isMainResource(), isSynchronous());
259 loader->didRetrieveCacheEntry(WTFMove(entry));
260 });
261}
262
263void NetworkResourceLoader::startNetworkLoad(ResourceRequest&& request, FirstLoad load)
264{
265 if (load == FirstLoad::Yes) {
266 RELEASE_LOG_IF_ALLOWED("startNetworkLoad: (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, isMainResource(), isSynchronous());
267
268 consumeSandboxExtensions();
269
270 if (isSynchronous() || m_parameters.maximumBufferingTime > 0_s)
271 m_bufferedData = SharedBuffer::create();
272
273 if (canUseCache(request))
274 m_bufferedDataForCache = SharedBuffer::create();
275 }
276
277 NetworkLoadParameters parameters = m_parameters;
278 parameters.networkActivityTracker = m_networkActivityTracker;
279 if (parameters.storedCredentialsPolicy == WebCore::StoredCredentialsPolicy::Use && m_networkLoadChecker)
280 parameters.storedCredentialsPolicy = m_networkLoadChecker->storedCredentialsPolicy();
281
282 if (request.url().protocolIsBlob())
283 parameters.blobFileReferences = m_connection->filesInBlob(originalRequest().url());
284
285 auto* networkSession = m_connection->networkProcess().networkSession(parameters.sessionID);
286 if (!networkSession && parameters.sessionID.isEphemeral()) {
287 m_connection->networkProcess().addWebsiteDataStore(WebsiteDataStoreParameters::privateSessionParameters(parameters.sessionID));
288 networkSession = m_connection->networkProcess().networkSession(parameters.sessionID);
289 }
290 if (!networkSession) {
291 WTFLogAlways("Attempted to create a NetworkLoad with a session (id=%" PRIu64 ") that does not exist.", parameters.sessionID.sessionID());
292 RELEASE_LOG_ERROR_IF_ALLOWED("startNetworkLoad: Attempted to create a NetworkLoad with a session that does not exist (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", sessionID=%" PRIu64 ")", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, parameters.sessionID.sessionID());
293 m_connection->networkProcess().logDiagnosticMessage(m_parameters.webPageID, WebCore::DiagnosticLoggingKeys::internalErrorKey(), WebCore::DiagnosticLoggingKeys::invalidSessionIDKey(), WebCore::ShouldSample::No);
294 didFailLoading(internalError(request.url()));
295 return;
296 }
297
298 parameters.request = WTFMove(request);
299 m_networkLoad = std::make_unique<NetworkLoad>(*this, &m_connection->blobRegistry(), WTFMove(parameters), *networkSession);
300
301 RELEASE_LOG_IF_ALLOWED("startNetworkLoad: (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", description = %{public}s)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, m_networkLoad->description().utf8().data());
302}
303
304void NetworkResourceLoader::cleanup(LoadResult result)
305{
306 ASSERT(RunLoop::isMain());
307
308 m_connection->stopTrackingResourceLoad(m_parameters.identifier,
309 result == LoadResult::Success ? NetworkActivityTracker::CompletionCode::Success :
310 result == LoadResult::Failure ? NetworkActivityTracker::CompletionCode::Failure :
311 NetworkActivityTracker::CompletionCode::None);
312
313 m_bufferingTimer.stop();
314
315 invalidateSandboxExtensions();
316
317 m_networkLoad = nullptr;
318
319 // This will cause NetworkResourceLoader to be destroyed and therefore we do it last.
320 m_connection->didCleanupResourceLoader(*this);
321}
322
323void NetworkResourceLoader::convertToDownload(DownloadID downloadID, const ResourceRequest& request, const ResourceResponse& response)
324{
325 RELEASE_LOG(Loading, "Converting NetworkResourceLoader %p to download %" PRIu64 " (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", this, downloadID.downloadID(), m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier);
326
327 // This can happen if the resource came from the disk cache.
328 if (!m_networkLoad) {
329 m_connection->networkProcess().downloadManager().startDownload(m_parameters.sessionID, downloadID, request);
330 abort();
331 return;
332 }
333
334 if (m_responseCompletionHandler)
335 m_connection->networkProcess().downloadManager().convertNetworkLoadToDownload(downloadID, std::exchange(m_networkLoad, nullptr), WTFMove(m_responseCompletionHandler), WTFMove(m_fileReferences), request, response);
336}
337
338void NetworkResourceLoader::abort()
339{
340 ASSERT(RunLoop::isMain());
341
342 RELEASE_LOG_IF_ALLOWED("abort: Canceling resource load (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")",
343 m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier);
344
345 if (m_parameters.options.keepAlive && m_response.isNull() && !m_isKeptAlive) {
346 m_isKeptAlive = true;
347 m_connection->transferKeptAliveLoad(*this);
348 return;
349 }
350
351 if (m_networkLoad) {
352 if (canUseCache(m_networkLoad->currentRequest())) {
353 // We might already have used data from this incomplete load. Ensure older versions don't remain in the cache after cancel.
354 if (!m_response.isNull())
355 m_cache->remove(m_networkLoad->currentRequest());
356 }
357 m_networkLoad->cancel();
358 }
359
360 cleanup(LoadResult::Cancel);
361}
362
363bool NetworkResourceLoader::shouldInterruptLoadForXFrameOptions(const String& xFrameOptions, const URL& url)
364{
365 if (isMainFrameLoad())
366 return false;
367
368 switch (parseXFrameOptionsHeader(xFrameOptions)) {
369 case XFrameOptionsNone:
370 case XFrameOptionsAllowAll:
371 return false;
372 case XFrameOptionsDeny:
373 return true;
374 case XFrameOptionsSameOrigin: {
375 auto origin = SecurityOrigin::create(url);
376 auto topFrameOrigin = m_parameters.frameAncestorOrigins.last();
377 if (!origin->isSameSchemeHostPort(*topFrameOrigin))
378 return true;
379 for (auto& ancestorOrigin : m_parameters.frameAncestorOrigins) {
380 if (!origin->isSameSchemeHostPort(*ancestorOrigin))
381 return true;
382 }
383 return false;
384 }
385 case XFrameOptionsConflict: {
386 String errorMessage = "Multiple 'X-Frame-Options' headers with conflicting values ('" + xFrameOptions + "') encountered when loading '" + url.stringCenterEllipsizedToLength() + "'. Falling back to 'DENY'.";
387 send(Messages::WebPage::AddConsoleMessage { m_parameters.webFrameID, MessageSource::JS, MessageLevel::Error, errorMessage, identifier() }, m_parameters.webPageID);
388 return true;
389 }
390 case XFrameOptionsInvalid: {
391 String errorMessage = "Invalid 'X-Frame-Options' header encountered when loading '" + url.stringCenterEllipsizedToLength() + "': '" + xFrameOptions + "' is not a recognized directive. The header will be ignored.";
392 send(Messages::WebPage::AddConsoleMessage { m_parameters.webFrameID, MessageSource::JS, MessageLevel::Error, errorMessage, identifier() }, m_parameters.webPageID);
393 return false;
394 }
395 }
396 ASSERT_NOT_REACHED();
397 return false;
398}
399
400bool NetworkResourceLoader::shouldInterruptLoadForCSPFrameAncestorsOrXFrameOptions(const ResourceResponse& response)
401{
402 ASSERT(isMainResource());
403
404#if USE(QUICK_LOOK)
405 if (PreviewConverter::supportsMIMEType(response.mimeType()))
406 return false;
407#endif
408
409 auto url = response.url();
410 ContentSecurityPolicy contentSecurityPolicy { URL { url }, this };
411 contentSecurityPolicy.didReceiveHeaders(ContentSecurityPolicyResponseHeaders { response }, originalRequest().httpReferrer());
412 if (!contentSecurityPolicy.allowFrameAncestors(m_parameters.frameAncestorOrigins, url))
413 return true;
414
415 if (!contentSecurityPolicy.overridesXFrameOptions()) {
416 String xFrameOptions = m_response.httpHeaderField(HTTPHeaderName::XFrameOptions);
417 if (!xFrameOptions.isNull() && shouldInterruptLoadForXFrameOptions(xFrameOptions, response.url())) {
418 String errorMessage = "Refused to display '" + response.url().stringCenterEllipsizedToLength() + "' in a frame because it set 'X-Frame-Options' to '" + xFrameOptions + "'.";
419 send(Messages::WebPage::AddConsoleMessage { m_parameters.webFrameID, MessageSource::Security, MessageLevel::Error, errorMessage, identifier() }, m_parameters.webPageID);
420 return true;
421 }
422 }
423 return false;
424}
425
426void NetworkResourceLoader::didReceiveResponse(ResourceResponse&& receivedResponse, ResponseCompletionHandler&& completionHandler)
427{
428 RELEASE_LOG_IF_ALLOWED("didReceiveResponse: (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", httpStatusCode = %d, length = %" PRId64 ")", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, receivedResponse.httpStatusCode(), receivedResponse.expectedContentLength());
429
430 m_response = WTFMove(receivedResponse);
431
432 if (shouldCaptureExtraNetworkLoadMetrics() && m_networkLoadChecker) {
433 auto information = m_networkLoadChecker->takeNetworkLoadInformation();
434 information.response = m_response;
435 m_connection->addNetworkLoadInformation(identifier(), WTFMove(information));
436 }
437
438 // For multipart/x-mixed-replace didReceiveResponseAsync gets called multiple times and buffering would require special handling.
439 if (!isSynchronous() && m_response.isMultipart())
440 m_bufferedData = nullptr;
441
442 if (m_response.isMultipart())
443 m_bufferedDataForCache = nullptr;
444
445 if (m_cacheEntryForValidation) {
446 bool validationSucceeded = m_response.httpStatusCode() == 304; // 304 Not Modified
447 if (validationSucceeded) {
448 m_cacheEntryForValidation = m_cache->update(originalRequest(), { m_parameters.webPageID, m_parameters.webFrameID }, *m_cacheEntryForValidation, m_response);
449 // If the request was conditional then this revalidation was not triggered by the network cache and we pass the 304 response to WebCore.
450 if (originalRequest().isConditional())
451 m_cacheEntryForValidation = nullptr;
452 } else
453 m_cacheEntryForValidation = nullptr;
454 }
455 if (m_cacheEntryForValidation)
456 return completionHandler(PolicyAction::Use);
457
458 if (isMainResource() && shouldInterruptLoadForCSPFrameAncestorsOrXFrameOptions(m_response)) {
459 auto response = sanitizeResponseIfPossible(ResourceResponse { m_response }, ResourceResponse::SanitizationType::CrossOriginSafe);
460 send(Messages::WebResourceLoader::StopLoadingAfterXFrameOptionsOrContentSecurityPolicyDenied { response });
461 return completionHandler(PolicyAction::Ignore);
462 }
463
464 if (m_networkLoadChecker) {
465 auto error = m_networkLoadChecker->validateResponse(m_response);
466 if (!error.isNull()) {
467 RunLoop::main().dispatch([protectedThis = makeRef(*this), error = WTFMove(error)] {
468 if (protectedThis->m_networkLoad)
469 protectedThis->didFailLoading(error);
470 });
471 return completionHandler(PolicyAction::Ignore);
472 }
473 }
474
475 auto response = sanitizeResponseIfPossible(ResourceResponse { m_response }, ResourceResponse::SanitizationType::CrossOriginSafe);
476 if (isSynchronous()) {
477 m_synchronousLoadData->response = WTFMove(response);
478 return completionHandler(PolicyAction::Use);
479 }
480
481 if (isCrossOriginPrefetch())
482 return completionHandler(PolicyAction::Use);
483
484 // We wait to receive message NetworkResourceLoader::ContinueDidReceiveResponse before continuing a load for
485 // a main resource because the embedding client must decide whether to allow the load.
486 bool willWaitForContinueDidReceiveResponse = isMainResource();
487 send(Messages::WebResourceLoader::DidReceiveResponse { response, willWaitForContinueDidReceiveResponse });
488
489 if (willWaitForContinueDidReceiveResponse) {
490 m_responseCompletionHandler = WTFMove(completionHandler);
491 return;
492 }
493
494 if (m_isKeptAlive) {
495 m_responseCompletionHandler = WTFMove(completionHandler);
496 RunLoop::main().dispatch([protectedThis = makeRef(*this)] {
497 protectedThis->didFinishLoading(NetworkLoadMetrics { });
498 });
499 return;
500 }
501
502 completionHandler(PolicyAction::Use);
503}
504
505void NetworkResourceLoader::didReceiveBuffer(Ref<SharedBuffer>&& buffer, int reportedEncodedDataLength)
506{
507 if (!m_numBytesReceived)
508 RELEASE_LOG_IF_ALLOWED("didReceiveBuffer: Started receiving data (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier);
509 m_numBytesReceived += buffer->size();
510
511 ASSERT(!m_cacheEntryForValidation);
512
513 if (m_bufferedDataForCache) {
514 // Prevent memory growth in case of streaming data.
515 const size_t maximumCacheBufferSize = 10 * 1024 * 1024;
516 if (m_bufferedDataForCache->size() + buffer->size() <= maximumCacheBufferSize)
517 m_bufferedDataForCache->append(buffer.get());
518 else
519 m_bufferedDataForCache = nullptr;
520 }
521 if (isCrossOriginPrefetch())
522 return;
523 // FIXME: At least on OS X Yosemite we always get -1 from the resource handle.
524 unsigned encodedDataLength = reportedEncodedDataLength >= 0 ? reportedEncodedDataLength : buffer->size();
525
526 if (m_bufferedData) {
527 m_bufferedData->append(buffer.get());
528 m_bufferedDataEncodedDataLength += encodedDataLength;
529 startBufferingTimerIfNeeded();
530 return;
531 }
532 sendBuffer(buffer, encodedDataLength);
533}
534
535void NetworkResourceLoader::didFinishLoading(const NetworkLoadMetrics& networkLoadMetrics)
536{
537 RELEASE_LOG_IF_ALLOWED("didFinishLoading: (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", length = %zd)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, m_numBytesReceived);
538
539 if (shouldCaptureExtraNetworkLoadMetrics())
540 m_connection->addNetworkLoadInformationMetrics(identifier(), networkLoadMetrics);
541
542 if (m_cacheEntryForValidation) {
543 // 304 Not Modified
544 ASSERT(m_response.httpStatusCode() == 304);
545 LOG(NetworkCache, "(NetworkProcess) revalidated");
546 didRetrieveCacheEntry(WTFMove(m_cacheEntryForValidation));
547 return;
548 }
549
550#if ENABLE(RESOURCE_LOAD_STATISTICS) && !RELEASE_LOG_DISABLED
551 if (shouldLogCookieInformation(m_connection, sessionID()))
552 logCookieInformation();
553#endif
554
555 if (isSynchronous())
556 sendReplyToSynchronousRequest(*m_synchronousLoadData, m_bufferedData.get());
557 else {
558 if (m_bufferedData && !m_bufferedData->isEmpty()) {
559 // FIXME: Pass a real value or remove the encoded data size feature.
560 sendBuffer(*m_bufferedData, -1);
561 }
562 send(Messages::WebResourceLoader::DidFinishResourceLoad(networkLoadMetrics));
563 }
564
565 tryStoreAsCacheEntry();
566
567 cleanup(LoadResult::Success);
568}
569
570void NetworkResourceLoader::didFailLoading(const ResourceError& error)
571{
572 RELEASE_LOG_IF_ALLOWED("didFailLoading: (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isTimeout = %d, isCancellation = %d, isAccessControl = %d, errCode = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, error.isTimeout(), error.isCancellation(), error.isAccessControl(), error.errorCode());
573
574 if (shouldCaptureExtraNetworkLoadMetrics())
575 m_connection->removeNetworkLoadInformation(identifier());
576
577 ASSERT(!error.isNull());
578
579 m_cacheEntryForValidation = nullptr;
580
581 if (isSynchronous()) {
582 m_synchronousLoadData->error = error;
583 sendReplyToSynchronousRequest(*m_synchronousLoadData, nullptr);
584 } else if (auto* connection = messageSenderConnection())
585 connection->send(Messages::WebResourceLoader::DidFailResourceLoad(error), messageSenderDestinationID());
586
587 cleanup(LoadResult::Failure);
588}
589
590void NetworkResourceLoader::didBlockAuthenticationChallenge()
591{
592 send(Messages::WebResourceLoader::DidBlockAuthenticationChallenge());
593}
594
595Optional<Seconds> NetworkResourceLoader::validateCacheEntryForMaxAgeCapValidation(const ResourceRequest& request, const ResourceRequest& redirectRequest, const ResourceResponse& redirectResponse)
596{
597#if ENABLE(RESOURCE_LOAD_STATISTICS)
598 bool existingCacheEntryMatchesNewResponse = false;
599 if (m_cacheEntryForMaxAgeCapValidation) {
600 ASSERT(redirectResponse.source() == ResourceResponse::Source::Network);
601 ASSERT(redirectResponse.isRedirection());
602 if (redirectResponse.httpHeaderField(WebCore::HTTPHeaderName::Location) == m_cacheEntryForMaxAgeCapValidation->response().httpHeaderField(WebCore::HTTPHeaderName::Location))
603 existingCacheEntryMatchesNewResponse = true;
604
605 m_cache->remove(m_cacheEntryForMaxAgeCapValidation->key());
606 m_cacheEntryForMaxAgeCapValidation = nullptr;
607 }
608
609 if (!existingCacheEntryMatchesNewResponse) {
610 if (auto* networkStorageSession = m_connection->networkProcess().storageSession(sessionID()))
611 return networkStorageSession->maxAgeCacheCap(request);
612 }
613#endif
614 return WTF::nullopt;
615}
616
617void NetworkResourceLoader::willSendRedirectedRequest(ResourceRequest&& request, ResourceRequest&& redirectRequest, ResourceResponse&& redirectResponse)
618{
619 ++m_redirectCount;
620
621 Optional<AdClickAttribution::Conversion> adClickConversion;
622 if (!sessionID().isEphemeral())
623 adClickConversion = AdClickAttribution::parseConversionRequest(redirectRequest.url());
624
625 auto maxAgeCap = validateCacheEntryForMaxAgeCapValidation(request, redirectRequest, redirectResponse);
626 if (redirectResponse.source() == ResourceResponse::Source::Network && canUseCachedRedirect(request))
627 m_cache->storeRedirect(request, redirectResponse, redirectRequest, maxAgeCap);
628
629 if (m_networkLoadChecker) {
630 if (adClickConversion)
631 m_networkLoadChecker->enableContentExtensionsCheck();
632 m_networkLoadChecker->storeRedirectionIfNeeded(request, redirectResponse);
633 m_networkLoadChecker->checkRedirection(WTFMove(request), WTFMove(redirectRequest), WTFMove(redirectResponse), this, [protectedThis = makeRef(*this), this, storedCredentialsPolicy = m_networkLoadChecker->storedCredentialsPolicy(), adClickConversion = WTFMove(adClickConversion)](auto&& result) mutable {
634 if (!result.has_value()) {
635 if (result.error().isCancellation())
636 return;
637
638 this->didFailLoading(result.error());
639 return;
640 }
641
642 if (m_parameters.options.redirect == FetchOptions::Redirect::Manual) {
643 this->didFinishWithRedirectResponse(WTFMove(result->redirectResponse));
644 return;
645 }
646
647 if (this->isSynchronous()) {
648 if (storedCredentialsPolicy != m_networkLoadChecker->storedCredentialsPolicy()) {
649 // We need to restart the load to update the session according the new credential policy.
650 this->restartNetworkLoad(WTFMove(result->redirectRequest));
651 return;
652 }
653
654 // We do not support prompting for credentials for synchronous loads. If we ever change this policy then
655 // we need to take care to prompt if and only if request and redirectRequest are not mixed content.
656 this->continueWillSendRequest(WTFMove(result->redirectRequest), false);
657 return;
658 }
659
660 m_shouldRestartLoad = storedCredentialsPolicy != m_networkLoadChecker->storedCredentialsPolicy();
661 this->continueWillSendRedirectedRequest(WTFMove(result->request), WTFMove(result->redirectRequest), WTFMove(result->redirectResponse), WTFMove(adClickConversion));
662 });
663 return;
664 }
665 continueWillSendRedirectedRequest(WTFMove(request), WTFMove(redirectRequest), WTFMove(redirectResponse), WTFMove(adClickConversion));
666}
667
668void NetworkResourceLoader::continueWillSendRedirectedRequest(ResourceRequest&& request, ResourceRequest&& redirectRequest, ResourceResponse&& redirectResponse, Optional<AdClickAttribution::Conversion>&& adClickConversion)
669{
670 ASSERT(!isSynchronous());
671
672 if (m_isKeptAlive) {
673 continueWillSendRequest(WTFMove(redirectRequest), false);
674 return;
675 }
676
677 NetworkSession* networkSession = nullptr;
678 if (adClickConversion && (networkSession = m_connection->networkProcess().networkSession(sessionID())))
679 networkSession->handleAdClickAttributionConversion(WTFMove(*adClickConversion), request.url(), redirectRequest);
680
681 send(Messages::WebResourceLoader::WillSendRequest(redirectRequest, sanitizeResponseIfPossible(WTFMove(redirectResponse), ResourceResponse::SanitizationType::Redirection)));
682}
683
684void NetworkResourceLoader::didFinishWithRedirectResponse(ResourceResponse&& redirectResponse)
685{
686 redirectResponse.setType(ResourceResponse::Type::Opaqueredirect);
687 didReceiveResponse(WTFMove(redirectResponse), [] (auto) { });
688
689 WebCore::NetworkLoadMetrics networkLoadMetrics;
690 networkLoadMetrics.markComplete();
691 networkLoadMetrics.responseBodyBytesReceived = 0;
692 networkLoadMetrics.responseBodyDecodedSize = 0;
693 send(Messages::WebResourceLoader::DidFinishResourceLoad { networkLoadMetrics });
694
695 cleanup(LoadResult::Success);
696}
697
698ResourceResponse NetworkResourceLoader::sanitizeResponseIfPossible(ResourceResponse&& response, ResourceResponse::SanitizationType type)
699{
700 if (m_parameters.shouldRestrictHTTPResponseAccess)
701 response.sanitizeHTTPHeaderFields(type);
702
703 return WTFMove(response);
704}
705
706void NetworkResourceLoader::restartNetworkLoad(WebCore::ResourceRequest&& newRequest)
707{
708 if (m_networkLoad)
709 m_networkLoad->cancel();
710
711 startNetworkLoad(WTFMove(newRequest), FirstLoad::No);
712}
713
714void NetworkResourceLoader::continueWillSendRequest(ResourceRequest&& newRequest, bool isAllowedToAskUserForCredentials)
715{
716 if (m_shouldRestartLoad) {
717 m_shouldRestartLoad = false;
718
719 if (m_networkLoad)
720 m_networkLoad->updateRequestAfterRedirection(newRequest);
721
722 restartNetworkLoad(WTFMove(newRequest));
723 return;
724 }
725
726 if (m_networkLoadChecker) {
727 // FIXME: We should be doing this check when receiving the redirection and not allow about protocol as per fetch spec.
728 if (!newRequest.url().protocolIsInHTTPFamily() && !newRequest.url().protocolIsAbout() && m_redirectCount) {
729 didFailLoading(ResourceError { String { }, 0, newRequest.url(), "Redirection to URL with a scheme that is not HTTP(S)"_s, ResourceError::Type::AccessControl });
730 return;
731 }
732 }
733
734 RELEASE_LOG_IF_ALLOWED("continueWillSendRequest: (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier);
735
736 m_isAllowedToAskUserForCredentials = isAllowedToAskUserForCredentials;
737
738 // If there is a match in the network cache, we need to reuse the original cache policy and partition.
739 newRequest.setCachePolicy(originalRequest().cachePolicy());
740 newRequest.setCachePartition(originalRequest().cachePartition());
741
742 if (m_isWaitingContinueWillSendRequestForCachedRedirect) {
743 m_isWaitingContinueWillSendRequestForCachedRedirect = false;
744
745 LOG(NetworkCache, "(NetworkProcess) Retrieving cached redirect");
746
747 if (canUseCachedRedirect(newRequest))
748 retrieveCacheEntry(newRequest);
749 else
750 startNetworkLoad(WTFMove(newRequest), FirstLoad::Yes);
751
752 return;
753 }
754
755 if (m_networkLoad)
756 m_networkLoad->continueWillSendRequest(WTFMove(newRequest));
757}
758
759void NetworkResourceLoader::continueDidReceiveResponse()
760{
761 if (m_cacheEntryWaitingForContinueDidReceiveResponse) {
762 sendResultForCacheEntry(WTFMove(m_cacheEntryWaitingForContinueDidReceiveResponse));
763 cleanup(LoadResult::Success);
764 return;
765 }
766
767 if (m_responseCompletionHandler)
768 m_responseCompletionHandler(PolicyAction::Use);
769}
770
771void NetworkResourceLoader::didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
772{
773 if (!isSynchronous())
774 send(Messages::WebResourceLoader::DidSendData(bytesSent, totalBytesToBeSent));
775}
776
777void NetworkResourceLoader::startBufferingTimerIfNeeded()
778{
779 if (isSynchronous())
780 return;
781 if (m_bufferingTimer.isActive())
782 return;
783 m_bufferingTimer.startOneShot(m_parameters.maximumBufferingTime);
784}
785
786void NetworkResourceLoader::bufferingTimerFired()
787{
788 ASSERT(m_bufferedData);
789 ASSERT(m_networkLoad);
790
791 if (m_bufferedData->isEmpty())
792 return;
793
794 send(Messages::WebResourceLoader::DidReceiveData({ *m_bufferedData }, m_bufferedDataEncodedDataLength));
795
796 m_bufferedData = SharedBuffer::create();
797 m_bufferedDataEncodedDataLength = 0;
798}
799
800void NetworkResourceLoader::sendBuffer(SharedBuffer& buffer, size_t encodedDataLength)
801{
802 ASSERT(!isSynchronous());
803
804 send(Messages::WebResourceLoader::DidReceiveData({ buffer }, encodedDataLength));
805}
806
807void NetworkResourceLoader::tryStoreAsCacheEntry()
808{
809 if (!canUseCache(m_networkLoad->currentRequest()))
810 return;
811 if (!m_bufferedDataForCache)
812 return;
813
814 if (isCrossOriginPrefetch()) {
815 if (auto session = m_connection->networkProcess().networkSession(sessionID()))
816 session->prefetchCache().store(m_networkLoad->currentRequest().url(), WTFMove(m_response), WTFMove(m_bufferedDataForCache));
817 return;
818 }
819 m_cache->store(m_networkLoad->currentRequest(), m_response, WTFMove(m_bufferedDataForCache), [loader = makeRef(*this)](auto& mappedBody) mutable {
820#if ENABLE(SHAREABLE_RESOURCE)
821 if (mappedBody.shareableResourceHandle.isNull())
822 return;
823 LOG(NetworkCache, "(NetworkProcess) sending DidCacheResource");
824 loader->send(Messages::NetworkProcessConnection::DidCacheResource(loader->originalRequest(), mappedBody.shareableResourceHandle, loader->sessionID()));
825#endif
826 });
827}
828
829void NetworkResourceLoader::didRetrieveCacheEntry(std::unique_ptr<NetworkCache::Entry> entry)
830{
831 auto response = entry->response();
832
833 if (isMainResource() && shouldInterruptLoadForCSPFrameAncestorsOrXFrameOptions(response)) {
834 response = sanitizeResponseIfPossible(WTFMove(response), ResourceResponse::SanitizationType::CrossOriginSafe);
835 send(Messages::WebResourceLoader::StopLoadingAfterXFrameOptionsOrContentSecurityPolicyDenied { response });
836 return;
837 }
838 if (m_networkLoadChecker) {
839 auto error = m_networkLoadChecker->validateResponse(response);
840 if (!error.isNull()) {
841 didFailLoading(error);
842 return;
843 }
844 }
845
846 response = sanitizeResponseIfPossible(WTFMove(response), ResourceResponse::SanitizationType::CrossOriginSafe);
847 if (isSynchronous()) {
848 m_synchronousLoadData->response = WTFMove(response);
849 sendReplyToSynchronousRequest(*m_synchronousLoadData, entry->buffer());
850 cleanup(LoadResult::Success);
851 return;
852 }
853
854 bool needsContinueDidReceiveResponseMessage = isMainResource();
855 send(Messages::WebResourceLoader::DidReceiveResponse { response, needsContinueDidReceiveResponseMessage });
856
857 if (needsContinueDidReceiveResponseMessage)
858 m_cacheEntryWaitingForContinueDidReceiveResponse = WTFMove(entry);
859 else {
860 sendResultForCacheEntry(WTFMove(entry));
861 cleanup(LoadResult::Success);
862 }
863}
864
865void NetworkResourceLoader::sendResultForCacheEntry(std::unique_ptr<NetworkCache::Entry> entry)
866{
867#if ENABLE(SHAREABLE_RESOURCE)
868 if (!entry->shareableResourceHandle().isNull()) {
869 send(Messages::WebResourceLoader::DidReceiveResource(entry->shareableResourceHandle()));
870 return;
871 }
872#endif
873
874#if ENABLE(RESOURCE_LOAD_STATISTICS) && !RELEASE_LOG_DISABLED
875 if (shouldLogCookieInformation(m_connection, sessionID()))
876 logCookieInformation();
877#endif
878
879 WebCore::NetworkLoadMetrics networkLoadMetrics;
880 networkLoadMetrics.markComplete();
881 networkLoadMetrics.requestHeaderBytesSent = 0;
882 networkLoadMetrics.requestBodyBytesSent = 0;
883 networkLoadMetrics.responseHeaderBytesReceived = 0;
884 networkLoadMetrics.responseBodyBytesReceived = 0;
885 networkLoadMetrics.responseBodyDecodedSize = 0;
886
887 sendBuffer(*entry->buffer(), entry->buffer()->size());
888 send(Messages::WebResourceLoader::DidFinishResourceLoad(networkLoadMetrics));
889}
890
891void NetworkResourceLoader::validateCacheEntry(std::unique_ptr<NetworkCache::Entry> entry)
892{
893 ASSERT(!m_networkLoad);
894
895 // If the request is already conditional then the revalidation was not triggered by the disk cache
896 // and we should not overwrite the existing conditional headers.
897 ResourceRequest revalidationRequest = originalRequest();
898 if (!revalidationRequest.isConditional()) {
899 String eTag = entry->response().httpHeaderField(HTTPHeaderName::ETag);
900 String lastModified = entry->response().httpHeaderField(HTTPHeaderName::LastModified);
901 if (!eTag.isEmpty())
902 revalidationRequest.setHTTPHeaderField(HTTPHeaderName::IfNoneMatch, eTag);
903 if (!lastModified.isEmpty())
904 revalidationRequest.setHTTPHeaderField(HTTPHeaderName::IfModifiedSince, lastModified);
905 }
906
907 m_cacheEntryForValidation = WTFMove(entry);
908
909 startNetworkLoad(WTFMove(revalidationRequest), FirstLoad::Yes);
910}
911
912void NetworkResourceLoader::dispatchWillSendRequestForCacheEntry(ResourceRequest&& request, std::unique_ptr<NetworkCache::Entry>&& entry)
913{
914 ASSERT(entry->redirectRequest());
915 ASSERT(!m_isWaitingContinueWillSendRequestForCachedRedirect);
916
917 LOG(NetworkCache, "(NetworkProcess) Executing cached redirect");
918
919 m_isWaitingContinueWillSendRequestForCachedRedirect = true;
920 willSendRedirectedRequest(WTFMove(request), ResourceRequest { *entry->redirectRequest() }, ResourceResponse { entry->response() });
921}
922
923IPC::Connection* NetworkResourceLoader::messageSenderConnection() const
924{
925 return &connectionToWebProcess().connection();
926}
927
928void NetworkResourceLoader::consumeSandboxExtensions()
929{
930 ASSERT(!m_didConsumeSandboxExtensions);
931
932 for (auto& extension : m_parameters.requestBodySandboxExtensions)
933 extension->consume();
934
935 if (auto& extension = m_parameters.resourceSandboxExtension)
936 extension->consume();
937
938 for (auto& fileReference : m_fileReferences)
939 fileReference->prepareForFileAccess();
940
941 m_didConsumeSandboxExtensions = true;
942}
943
944void NetworkResourceLoader::invalidateSandboxExtensions()
945{
946 if (m_didConsumeSandboxExtensions) {
947 for (auto& extension : m_parameters.requestBodySandboxExtensions)
948 extension->revoke();
949 if (auto& extension = m_parameters.resourceSandboxExtension)
950 extension->revoke();
951 for (auto& fileReference : m_fileReferences)
952 fileReference->revokeFileAccess();
953
954 m_didConsumeSandboxExtensions = false;
955 }
956
957 m_fileReferences.clear();
958}
959
960bool NetworkResourceLoader::isAlwaysOnLoggingAllowed() const
961{
962 if (m_connection->networkProcess().sessionIsControlledByAutomation(sessionID()))
963 return true;
964
965 return sessionID().isAlwaysOnLoggingAllowed();
966}
967
968bool NetworkResourceLoader::shouldCaptureExtraNetworkLoadMetrics() const
969{
970 return m_shouldCaptureExtraNetworkLoadMetrics;
971}
972
973#if ENABLE(RESOURCE_LOAD_STATISTICS) && !RELEASE_LOG_DISABLED
974bool NetworkResourceLoader::shouldLogCookieInformation(NetworkConnectionToWebProcess& connection, const PAL::SessionID& sessionID)
975{
976 if (auto session = connection.networkProcess().networkSession(sessionID))
977 return session->shouldLogCookieInformation();
978 return false;
979}
980
981static String escapeForJSON(String s)
982{
983 return s.replace('\\', "\\\\").replace('"', "\\\"");
984}
985
986static String escapeIDForJSON(const Optional<uint64_t>& value)
987{
988 return value ? String::number(value.value()) : String("None"_s);
989};
990
991void NetworkResourceLoader::logCookieInformation() const
992{
993 ASSERT(shouldLogCookieInformation(m_connection, sessionID()));
994
995 auto* networkStorageSession = m_connection->networkProcess().storageSession(sessionID());
996 ASSERT(networkStorageSession);
997
998 logCookieInformation(m_connection, "NetworkResourceLoader", reinterpret_cast<const void*>(this), *networkStorageSession, originalRequest().firstPartyForCookies(), SameSiteInfo::create(originalRequest()), originalRequest().url(), originalRequest().httpReferrer(), frameID(), pageID(), identifier());
999}
1000
1001static void logBlockedCookieInformation(NetworkConnectionToWebProcess& connection, const String& label, const void* loggedObject, const WebCore::NetworkStorageSession& networkStorageSession, const URL& firstParty, const SameSiteInfo& sameSiteInfo, const URL& url, const String& referrer, Optional<uint64_t> frameID, Optional<uint64_t> pageID, Optional<uint64_t> identifier)
1002{
1003 ASSERT(NetworkResourceLoader::shouldLogCookieInformation(connection, networkStorageSession.sessionID()));
1004
1005 auto escapedURL = escapeForJSON(url.string());
1006 auto escapedFirstParty = escapeForJSON(firstParty.string());
1007 auto escapedFrameID = escapeIDForJSON(frameID);
1008 auto escapedPageID = escapeIDForJSON(pageID);
1009 auto escapedIdentifier = escapeIDForJSON(identifier);
1010 auto escapedReferrer = escapeForJSON(referrer);
1011
1012#define LOCAL_LOG_IF_ALLOWED(fmt, ...) RELEASE_LOG_IF(networkStorageSession.sessionID().isAlwaysOnLoggingAllowed(), Network, "%p - %s::" fmt, loggedObject, label.utf8().data(), ##__VA_ARGS__)
1013#define LOCAL_LOG(str, ...) \
1014 LOCAL_LOG_IF_ALLOWED("logCookieInformation: BLOCKED cookie access for pageID = %s, frameID = %s, resourceID = %s, firstParty = %s: " str, escapedPageID.utf8().data(), escapedFrameID.utf8().data(), escapedIdentifier.utf8().data(), escapedFirstParty.utf8().data(), ##__VA_ARGS__)
1015
1016 LOCAL_LOG(R"({ "url": "%{public}s",)", escapedURL.utf8().data());
1017 LOCAL_LOG(R"( "partition": "%{public}s",)", "BLOCKED");
1018 LOCAL_LOG(R"( "hasStorageAccess": %{public}s,)", "false");
1019 LOCAL_LOG(R"( "referer": "%{public}s",)", escapedReferrer.utf8().data());
1020 LOCAL_LOG(R"( "isSameSite": "%{public}s",)", sameSiteInfo.isSameSite ? "true" : "false");
1021 LOCAL_LOG(R"( "isTopSite": "%{public}s",)", sameSiteInfo.isTopSite ? "true" : "false");
1022 LOCAL_LOG(R"( "cookies": [])");
1023 LOCAL_LOG(R"( })");
1024#undef LOCAL_LOG
1025#undef LOCAL_LOG_IF_ALLOWED
1026}
1027
1028static void logCookieInformationInternal(NetworkConnectionToWebProcess& connection, const String& label, const void* loggedObject, const WebCore::NetworkStorageSession& networkStorageSession, const URL& firstParty, const WebCore::SameSiteInfo& sameSiteInfo, const URL& url, const String& referrer, Optional<uint64_t> frameID, Optional<uint64_t> pageID, Optional<uint64_t> identifier)
1029{
1030 ASSERT(NetworkResourceLoader::shouldLogCookieInformation(connection, networkStorageSession.sessionID()));
1031
1032 Vector<WebCore::Cookie> cookies;
1033 if (!networkStorageSession.getRawCookies(firstParty, sameSiteInfo, url, frameID, pageID, cookies))
1034 return;
1035
1036 auto escapedURL = escapeForJSON(url.string());
1037 auto escapedPartition = escapeForJSON(emptyString());
1038 auto escapedReferrer = escapeForJSON(referrer);
1039 auto escapedFrameID = escapeIDForJSON(frameID);
1040 auto escapedPageID = escapeIDForJSON(pageID);
1041 auto escapedIdentifier = escapeIDForJSON(identifier);
1042 bool hasStorageAccess = (frameID && pageID) ? networkStorageSession.hasStorageAccess(WebCore::RegistrableDomain { url }, WebCore::RegistrableDomain { firstParty }, frameID.value(), pageID.value()) : false;
1043
1044#define LOCAL_LOG_IF_ALLOWED(fmt, ...) RELEASE_LOG_IF(networkStorageSession.sessionID().isAlwaysOnLoggingAllowed(), Network, "%p - %s::" fmt, loggedObject, label.utf8().data(), ##__VA_ARGS__)
1045#define LOCAL_LOG(str, ...) \
1046 LOCAL_LOG_IF_ALLOWED("logCookieInformation: pageID = %s, frameID = %s, resourceID = %s: " str, escapedPageID.utf8().data(), escapedFrameID.utf8().data(), escapedIdentifier.utf8().data(), ##__VA_ARGS__)
1047
1048 LOCAL_LOG(R"({ "url": "%{public}s",)", escapedURL.utf8().data());
1049 LOCAL_LOG(R"( "partition": "%{public}s",)", escapedPartition.utf8().data());
1050 LOCAL_LOG(R"( "hasStorageAccess": %{public}s,)", hasStorageAccess ? "true" : "false");
1051 LOCAL_LOG(R"( "referer": "%{public}s",)", escapedReferrer.utf8().data());
1052 LOCAL_LOG(R"( "isSameSite": "%{public}s",)", sameSiteInfo.isSameSite ? "true" : "false");
1053 LOCAL_LOG(R"( "isTopSite": "%{public}s",)", sameSiteInfo.isTopSite ? "true" : "false");
1054 LOCAL_LOG(R"( "cookies": [)");
1055
1056 auto size = cookies.size();
1057 decltype(size) count = 0;
1058 for (const auto& cookie : cookies) {
1059 const char* trailingComma = ",";
1060 if (++count == size)
1061 trailingComma = "";
1062
1063 auto escapedName = escapeForJSON(cookie.name);
1064 auto escapedValue = escapeForJSON(cookie.value);
1065 auto escapedDomain = escapeForJSON(cookie.domain);
1066 auto escapedPath = escapeForJSON(cookie.path);
1067 auto escapedComment = escapeForJSON(cookie.comment);
1068 auto escapedCommentURL = escapeForJSON(cookie.commentURL.string());
1069 // FIXME: Log Same-Site policy for each cookie. See <https://bugs.webkit.org/show_bug.cgi?id=184894>.
1070
1071 LOCAL_LOG(R"( { "name": "%{public}s",)", escapedName.utf8().data());
1072 LOCAL_LOG(R"( "value": "%{public}s",)", escapedValue.utf8().data());
1073 LOCAL_LOG(R"( "domain": "%{public}s",)", escapedDomain.utf8().data());
1074 LOCAL_LOG(R"( "path": "%{public}s",)", escapedPath.utf8().data());
1075 LOCAL_LOG(R"( "created": %f,)", cookie.created);
1076 LOCAL_LOG(R"( "expires": %f,)", cookie.expires);
1077 LOCAL_LOG(R"( "httpOnly": %{public}s,)", cookie.httpOnly ? "true" : "false");
1078 LOCAL_LOG(R"( "secure": %{public}s,)", cookie.secure ? "true" : "false");
1079 LOCAL_LOG(R"( "session": %{public}s,)", cookie.session ? "true" : "false");
1080 LOCAL_LOG(R"( "comment": "%{public}s",)", escapedComment.utf8().data());
1081 LOCAL_LOG(R"( "commentURL": "%{public}s")", escapedCommentURL.utf8().data());
1082 LOCAL_LOG(R"( }%{public}s)", trailingComma);
1083 }
1084 LOCAL_LOG(R"(]})");
1085#undef LOCAL_LOG
1086#undef LOCAL_LOG_IF_ALLOWED
1087}
1088
1089void NetworkResourceLoader::logCookieInformation(NetworkConnectionToWebProcess& connection, const String& label, const void* loggedObject, const NetworkStorageSession& networkStorageSession, const URL& firstParty, const SameSiteInfo& sameSiteInfo, const URL& url, const String& referrer, Optional<uint64_t> frameID, Optional<uint64_t> pageID, Optional<uint64_t> identifier)
1090{
1091 ASSERT(shouldLogCookieInformation(connection, networkStorageSession.sessionID()));
1092
1093 if (networkStorageSession.shouldBlockCookies(firstParty, url, frameID, pageID))
1094 logBlockedCookieInformation(connection, label, loggedObject, networkStorageSession, firstParty, sameSiteInfo, url, referrer, frameID, pageID, identifier);
1095 else
1096 logCookieInformationInternal(connection, label, loggedObject, networkStorageSession, firstParty, sameSiteInfo, url, referrer, frameID, pageID, identifier);
1097}
1098#endif
1099
1100void NetworkResourceLoader::addConsoleMessage(MessageSource messageSource, MessageLevel messageLevel, const String& message, unsigned long)
1101{
1102 send(Messages::WebPage::AddConsoleMessage { m_parameters.webFrameID, messageSource, messageLevel, message, identifier() }, m_parameters.webPageID);
1103}
1104
1105void NetworkResourceLoader::sendCSPViolationReport(URL&& reportURL, Ref<FormData>&& report)
1106{
1107 send(Messages::WebPage::SendCSPViolationReport { m_parameters.webFrameID, WTFMove(reportURL), IPC::FormDataReference { WTFMove(report) } }, m_parameters.webPageID);
1108}
1109
1110void NetworkResourceLoader::enqueueSecurityPolicyViolationEvent(WebCore::SecurityPolicyViolationEvent::Init&& eventInit)
1111{
1112 send(Messages::WebPage::EnqueueSecurityPolicyViolationEvent { m_parameters.webFrameID, WTFMove(eventInit) }, m_parameters.webPageID);
1113}
1114
1115void NetworkResourceLoader::logSlowCacheRetrieveIfNeeded(const NetworkCache::Cache::RetrieveInfo& info)
1116{
1117#if RELEASE_LOG_DISABLED
1118 UNUSED_PARAM(info);
1119#else
1120 if (!isAlwaysOnLoggingAllowed())
1121 return;
1122 auto duration = info.completionTime - info.startTime;
1123 if (duration < 1_s)
1124 return;
1125 RELEASE_LOG_IF_ALLOWED("logSlowCacheRetrieveIfNeeded: Took %.0fms, priority %d", duration.milliseconds(), info.priority);
1126 if (info.wasSpeculativeLoad)
1127 RELEASE_LOG_IF_ALLOWED("logSlowCacheRetrieveIfNeeded: Was speculative load");
1128 if (!info.storageTimings.startTime)
1129 return;
1130 RELEASE_LOG_IF_ALLOWED("logSlowCacheRetrieveIfNeeded: Storage retrieve time %.0fms", (info.storageTimings.completionTime - info.storageTimings.startTime).milliseconds());
1131 if (info.storageTimings.dispatchTime) {
1132 auto time = (info.storageTimings.dispatchTime - info.storageTimings.startTime).milliseconds();
1133 auto count = info.storageTimings.dispatchCountAtDispatch - info.storageTimings.dispatchCountAtStart;
1134 RELEASE_LOG_IF_ALLOWED("logSlowCacheRetrieveIfNeeded: Dispatch delay %.0fms, dispatched %lu resources first", time, count);
1135 }
1136 if (info.storageTimings.recordIOStartTime)
1137 RELEASE_LOG_IF_ALLOWED("logSlowCacheRetrieveIfNeeded: Record I/O time %.0fms", (info.storageTimings.recordIOEndTime - info.storageTimings.recordIOStartTime).milliseconds());
1138 if (info.storageTimings.blobIOStartTime)
1139 RELEASE_LOG_IF_ALLOWED("logSlowCacheRetrieveIfNeeded: Blob I/O time %.0fms", (info.storageTimings.blobIOEndTime - info.storageTimings.blobIOStartTime).milliseconds());
1140 if (info.storageTimings.synchronizationInProgressAtDispatch)
1141 RELEASE_LOG_IF_ALLOWED("logSlowCacheRetrieveIfNeeded: Synchronization was in progress");
1142 if (info.storageTimings.shrinkInProgressAtDispatch)
1143 RELEASE_LOG_IF_ALLOWED("logSlowCacheRetrieveIfNeeded: Shrink was in progress");
1144 if (info.storageTimings.wasCanceled)
1145 RELEASE_LOG_IF_ALLOWED("logSlowCacheRetrieveIfNeeded: Retrieve was canceled");
1146#endif
1147}
1148
1149bool NetworkResourceLoader::isCrossOriginPrefetch() const
1150{
1151 auto request = originalRequest();
1152 return request.httpHeaderField(HTTPHeaderName::Purpose) == "prefetch" && !m_parameters.sourceOrigin->canRequest(request.url());
1153}
1154
1155} // namespace WebKit
1156
1157#undef RELEASE_LOG_IF_ALLOWED
1158#undef RELEASE_LOG_ERROR_IF_ALLOWED
1159