OLD | NEW |
1 /* | 1 /* |
2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) | 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) |
3 Copyright (C) 2001 Dirk Mueller (mueller@kde.org) | 3 Copyright (C) 2001 Dirk Mueller (mueller@kde.org) |
4 Copyright (C) 2002 Waldo Bastian (bastian@kde.org) | 4 Copyright (C) 2002 Waldo Bastian (bastian@kde.org) |
5 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
rights reserved. | 5 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
rights reserved. |
6 Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/ | 6 Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/ |
7 | 7 |
8 This library is free software; you can redistribute it and/or | 8 This library is free software; you can redistribute it and/or |
9 modify it under the terms of the GNU Library General Public | 9 modify it under the terms of the GNU Library General Public |
10 License as published by the Free Software Foundation; either | 10 License as published by the Free Software Foundation; either |
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225 { | 225 { |
226 KURL url = MemoryCache::removeFragmentIdentifierIfNeeded(resourceURL); | 226 KURL url = MemoryCache::removeFragmentIdentifierIfNeeded(resourceURL); |
227 const WeakPtrWillBeWeakMember<Resource>& resource = m_documentResources.get(
url); | 227 const WeakPtrWillBeWeakMember<Resource>& resource = m_documentResources.get(
url); |
228 return resource.get(); | 228 return resource.get(); |
229 } | 229 } |
230 | 230 |
231 bool ResourceFetcher::canAccessResource(Resource* resource, SecurityOrigin* sour
ceOrigin, const KURL& url, AccessControlLoggingDecision logErrorsDecision) const | 231 bool ResourceFetcher::canAccessResource(Resource* resource, SecurityOrigin* sour
ceOrigin, const KURL& url, AccessControlLoggingDecision logErrorsDecision) const |
232 { | 232 { |
233 // Redirects can change the response URL different from one of request. | 233 // Redirects can change the response URL different from one of request. |
234 bool forPreload = resource->isUnusedPreload(); | 234 bool forPreload = resource->isUnusedPreload(); |
235 if (!context().canRequest(resource->type(), resource->resourceRequest(), url
, resource->options(), forPreload, FetchRequest::UseDefaultOriginRestrictionForT
ype)) | 235 if (!context().canRequest(resource->getType(), resource->resourceRequest(),
url, resource->options(), forPreload, FetchRequest::UseDefaultOriginRestrictionF
orType)) |
236 return false; | 236 return false; |
237 | 237 |
238 if (!sourceOrigin) | 238 if (!sourceOrigin) |
239 sourceOrigin = context().securityOrigin(); | 239 sourceOrigin = context().securityOrigin(); |
240 | 240 |
241 if (sourceOrigin->canRequestNoSuborigin(url)) | 241 if (sourceOrigin->canRequestNoSuborigin(url)) |
242 return true; | 242 return true; |
243 | 243 |
244 String errorDescription; | 244 String errorDescription; |
245 if (!resource->passesAccessControlCheck(sourceOrigin, errorDescription)) { | 245 if (!resource->passesAccessControlCheck(sourceOrigin, errorDescription)) { |
246 resource->setCORSFailed(); | 246 resource->setCORSFailed(); |
247 if (!forPreload && (logErrorsDecision == ShouldLogAccessControlErrors))
{ | 247 if (!forPreload && (logErrorsDecision == ShouldLogAccessControlErrors))
{ |
248 String resourceType = Resource::resourceTypeToString(resource->type(
), resource->options().initiatorInfo); | 248 String resourceType = Resource::resourceTypeToString(resource->getTy
pe(), resource->options().initiatorInfo); |
249 context().addConsoleMessage(resourceType + " from origin '" + Securi
tyOrigin::create(url)->toString() + "' has been blocked from loading by Cross-Or
igin Resource Sharing policy: " + errorDescription); | 249 context().addConsoleMessage(resourceType + " from origin '" + Securi
tyOrigin::create(url)->toString() + "' has been blocked from loading by Cross-Or
igin Resource Sharing policy: " + errorDescription); |
250 } | 250 } |
251 return false; | 251 return false; |
252 } | 252 } |
253 return true; | 253 return true; |
254 } | 254 } |
255 | 255 |
256 bool ResourceFetcher::isControlledByServiceWorker() const | 256 bool ResourceFetcher::isControlledByServiceWorker() const |
257 { | 257 { |
258 return context().isControlledByServiceWorker(); | 258 return context().isControlledByServiceWorker(); |
259 } | 259 } |
260 | 260 |
261 bool ResourceFetcher::resourceNeedsLoad(Resource* resource, const FetchRequest&
request, RevalidationPolicy policy) | 261 bool ResourceFetcher::resourceNeedsLoad(Resource* resource, const FetchRequest&
request, RevalidationPolicy policy) |
262 { | 262 { |
263 if (FetchRequest::DeferredByClient == request.defer()) | 263 if (FetchRequest::DeferredByClient == request.defer()) |
264 return false; | 264 return false; |
265 if (policy != Use) | 265 if (policy != Use) |
266 return true; | 266 return true; |
267 if (resource->stillNeedsLoad()) | 267 if (resource->stillNeedsLoad()) |
268 return true; | 268 return true; |
269 return request.options().synchronousPolicy == RequestSynchronously && resour
ce->isLoading(); | 269 return request.options().synchronousPolicy == RequestSynchronously && resour
ce->isLoading(); |
270 } | 270 } |
271 | 271 |
272 // Limit the number of URLs in m_validatedURLs to avoid memory bloat. | 272 // Limit the number of URLs in m_validatedURLs to avoid memory bloat. |
273 // http://crbug.com/52411 | 273 // http://crbug.com/52411 |
274 static const int kMaxValidatedURLsSize = 10000; | 274 static const int kMaxValidatedURLsSize = 10000; |
275 | 275 |
276 void ResourceFetcher::requestLoadStarted(Resource* resource, const FetchRequest&
request, ResourceLoadStartType type, bool isStaticData) | 276 void ResourceFetcher::requestLoadStarted(Resource* resource, const FetchRequest&
request, ResourceLoadStartType type, bool isStaticData) |
277 { | 277 { |
278 if (type == ResourceLoadingFromCache && resource->status() == Resource::Cach
ed && !m_validatedURLs.contains(resource->url())) | 278 if (type == ResourceLoadingFromCache && resource->getStatus() == Resource::C
ached && !m_validatedURLs.contains(resource->url())) |
279 context().dispatchDidLoadResourceFromMemoryCache(resource, request.resou
rceRequest().frameType(), request.resourceRequest().requestContext()); | 279 context().dispatchDidLoadResourceFromMemoryCache(resource, request.resou
rceRequest().frameType(), request.resourceRequest().requestContext()); |
280 | 280 |
281 if (isStaticData) | 281 if (isStaticData) |
282 return; | 282 return; |
283 | 283 |
284 if (type == ResourceLoadingFromCache && !resource->stillNeedsLoad() && !m_va
lidatedURLs.contains(request.resourceRequest().url())) { | 284 if (type == ResourceLoadingFromCache && !resource->stillNeedsLoad() && !m_va
lidatedURLs.contains(request.resourceRequest().url())) { |
285 // Resources loaded from memory cache should be reported the first time
they're used. | 285 // Resources loaded from memory cache should be reported the first time
they're used. |
286 OwnPtr<ResourceTimingInfo> info = ResourceTimingInfo::create(request.opt
ions().initiatorInfo.name, monotonicallyIncreasingTime(), resource->type() == Re
source::MainResource); | 286 OwnPtr<ResourceTimingInfo> info = ResourceTimingInfo::create(request.opt
ions().initiatorInfo.name, monotonicallyIncreasingTime(), resource->getType() ==
Resource::MainResource); |
287 populateResourceTiming(info.get(), resource, true); | 287 populateResourceTiming(info.get(), resource, true); |
288 m_scheduledResourceTimingReports.append(info.release()); | 288 m_scheduledResourceTimingReports.append(info.release()); |
289 if (!m_resourceTimingReportTimer.isActive()) | 289 if (!m_resourceTimingReportTimer.isActive()) |
290 m_resourceTimingReportTimer.startOneShot(0, BLINK_FROM_HERE); | 290 m_resourceTimingReportTimer.startOneShot(0, BLINK_FROM_HERE); |
291 } | 291 } |
292 | 292 |
293 if (m_validatedURLs.size() >= kMaxValidatedURLsSize) { | 293 if (m_validatedURLs.size() >= kMaxValidatedURLsSize) { |
294 m_validatedURLs.clear(); | 294 m_validatedURLs.clear(); |
295 } | 295 } |
296 m_validatedURLs.add(request.resourceRequest().url()); | 296 m_validatedURLs.add(request.resourceRequest().url()); |
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377 TRACE_EVENT1("blink", "ResourceFetcher::requestResource", "url", urlForTrace
Event(url)); | 377 TRACE_EVENT1("blink", "ResourceFetcher::requestResource", "url", urlForTrace
Event(url)); |
378 | 378 |
379 WTF_LOG(ResourceLoading, "ResourceFetcher::requestResource '%s', charset '%s
', priority=%d, forPreload=%u, type=%s", url.elidedString().latin1().data(), req
uest.charset().latin1().data(), request.priority(), request.forPreload(), Resour
ce::resourceTypeName(factory.type())); | 379 WTF_LOG(ResourceLoading, "ResourceFetcher::requestResource '%s', charset '%s
', priority=%d, forPreload=%u, type=%s", url.elidedString().latin1().data(), req
uest.charset().latin1().data(), request.priority(), request.forPreload(), Resour
ce::resourceTypeName(factory.type())); |
380 | 380 |
381 // If only the fragment identifiers differ, it is the same resource. | 381 // If only the fragment identifiers differ, it is the same resource. |
382 url = MemoryCache::removeFragmentIdentifierIfNeeded(url); | 382 url = MemoryCache::removeFragmentIdentifierIfNeeded(url); |
383 | 383 |
384 if (!url.isValid()) | 384 if (!url.isValid()) |
385 return nullptr; | 385 return nullptr; |
386 | 386 |
387 if (!context().canRequest(factory.type(), request.resourceRequest(), url, re
quest.options(), request.forPreload(), request.originRestriction())) | 387 if (!context().canRequest(factory.type(), request.resourceRequest(), url, re
quest.options(), request.forPreload(), request.getOriginRestriction())) |
388 return nullptr; | 388 return nullptr; |
389 | 389 |
390 if (!request.forPreload()) { | 390 if (!request.forPreload()) { |
391 V8DOMActivityLogger* activityLogger = nullptr; | 391 V8DOMActivityLogger* activityLogger = nullptr; |
392 if (request.options().initiatorInfo.name == FetchInitiatorTypeNames::xml
httprequest) | 392 if (request.options().initiatorInfo.name == FetchInitiatorTypeNames::xml
httprequest) |
393 activityLogger = V8DOMActivityLogger::currentActivityLogger(); | 393 activityLogger = V8DOMActivityLogger::currentActivityLogger(); |
394 else | 394 else |
395 activityLogger = V8DOMActivityLogger::currentActivityLoggerIfIsolate
dWorld(); | 395 activityLogger = V8DOMActivityLogger::currentActivityLoggerIfIsolate
dWorld(); |
396 | 396 |
397 if (activityLogger) { | 397 if (activityLogger) { |
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435 case Revalidate: | 435 case Revalidate: |
436 initializeRevalidation(request, resource.get()); | 436 initializeRevalidation(request, resource.get()); |
437 break; | 437 break; |
438 case Use: | 438 case Use: |
439 memoryCache()->updateForAccess(resource.get()); | 439 memoryCache()->updateForAccess(resource.get()); |
440 break; | 440 break; |
441 } | 441 } |
442 | 442 |
443 if (!resource) | 443 if (!resource) |
444 return nullptr; | 444 return nullptr; |
445 if (resource->type() != factory.type()) { | 445 if (resource->getType() != factory.type()) { |
446 ASSERT(request.forPreload()); | 446 ASSERT(request.forPreload()); |
447 return nullptr; | 447 return nullptr; |
448 } | 448 } |
449 | 449 |
450 if (!resource->hasClients()) | 450 if (!resource->hasClients()) |
451 m_deadStatsRecorder.update(policy); | 451 m_deadStatsRecorder.update(policy); |
452 | 452 |
453 if (policy != Use) | 453 if (policy != Use) |
454 resource->setIdentifier(createUniqueIdentifier()); | 454 resource->setIdentifier(createUniqueIdentifier()); |
455 | 455 |
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520 request.setRequestContext(requestContext); | 520 request.setRequestContext(requestContext); |
521 } | 521 } |
522 | 522 |
523 void ResourceFetcher::determineRequestContext(ResourceRequest& request, Resource
::Type type) | 523 void ResourceFetcher::determineRequestContext(ResourceRequest& request, Resource
::Type type) |
524 { | 524 { |
525 determineRequestContext(request, type, context().isMainFrame()); | 525 determineRequestContext(request, type, context().isMainFrame()); |
526 } | 526 } |
527 | 527 |
528 void ResourceFetcher::initializeResourceRequest(ResourceRequest& request, Resour
ce::Type type) | 528 void ResourceFetcher::initializeResourceRequest(ResourceRequest& request, Resour
ce::Type type) |
529 { | 529 { |
530 if (request.cachePolicy() == UseProtocolCachePolicy) | 530 if (request.getCachePolicy() == UseProtocolCachePolicy) |
531 request.setCachePolicy(context().resourceRequestCachePolicy(request, typ
e)); | 531 request.setCachePolicy(context().resourceRequestCachePolicy(request, typ
e)); |
532 if (request.requestContext() == WebURLRequest::RequestContextUnspecified) | 532 if (request.requestContext() == WebURLRequest::RequestContextUnspecified) |
533 determineRequestContext(request, type); | 533 determineRequestContext(request, type); |
534 if (type == Resource::LinkPrefetch) | 534 if (type == Resource::LinkPrefetch) |
535 request.setHTTPHeaderField(HTTPNames::Purpose, "prefetch"); | 535 request.setHTTPHeaderField(HTTPNames::Purpose, "prefetch"); |
536 | 536 |
537 context().addAdditionalRequestHeaders(request, (type == Resource::MainResour
ce) ? FetchMainResource : FetchSubresource); | 537 context().addAdditionalRequestHeaders(request, (type == Resource::MainResour
ce) ? FetchMainResource : FetchSubresource); |
538 } | 538 } |
539 | 539 |
540 void ResourceFetcher::initializeRevalidation(const FetchRequest& request, Resour
ce* resource) | 540 void ResourceFetcher::initializeRevalidation(const FetchRequest& request, Resour
ce* resource) |
541 { | 541 { |
542 ASSERT(resource); | 542 ASSERT(resource); |
543 ASSERT(memoryCache()->contains(resource)); | 543 ASSERT(memoryCache()->contains(resource)); |
544 ASSERT(resource->isLoaded()); | 544 ASSERT(resource->isLoaded()); |
545 ASSERT(resource->canUseCacheValidator()); | 545 ASSERT(resource->canUseCacheValidator()); |
546 ASSERT(!resource->isCacheValidator()); | 546 ASSERT(!resource->isCacheValidator()); |
547 ASSERT(!context().isControlledByServiceWorker()); | 547 ASSERT(!context().isControlledByServiceWorker()); |
548 | 548 |
549 ResourceRequest revalidatingRequest(resource->resourceRequest()); | 549 ResourceRequest revalidatingRequest(resource->resourceRequest()); |
550 revalidatingRequest.clearHTTPReferrer(); | 550 revalidatingRequest.clearHTTPReferrer(); |
551 initializeResourceRequest(revalidatingRequest, resource->type()); | 551 initializeResourceRequest(revalidatingRequest, resource->getType()); |
552 | 552 |
553 const AtomicString& lastModified = resource->response().httpHeaderField(HTTP
Names::Last_Modified); | 553 const AtomicString& lastModified = resource->response().httpHeaderField(HTTP
Names::Last_Modified); |
554 const AtomicString& eTag = resource->response().httpHeaderField(HTTPNames::E
Tag); | 554 const AtomicString& eTag = resource->response().httpHeaderField(HTTPNames::E
Tag); |
555 if (!lastModified.isEmpty() || !eTag.isEmpty()) { | 555 if (!lastModified.isEmpty() || !eTag.isEmpty()) { |
556 ASSERT(context().cachePolicy() != CachePolicyReload); | 556 ASSERT(context().getCachePolicy() != CachePolicyReload); |
557 if (context().cachePolicy() == CachePolicyRevalidate) | 557 if (context().getCachePolicy() == CachePolicyRevalidate) |
558 revalidatingRequest.setHTTPHeaderField(HTTPNames::Cache_Control, "ma
x-age=0"); | 558 revalidatingRequest.setHTTPHeaderField(HTTPNames::Cache_Control, "ma
x-age=0"); |
559 } | 559 } |
560 if (!lastModified.isEmpty()) | 560 if (!lastModified.isEmpty()) |
561 revalidatingRequest.setHTTPHeaderField(HTTPNames::If_Modified_Since, las
tModified); | 561 revalidatingRequest.setHTTPHeaderField(HTTPNames::If_Modified_Since, las
tModified); |
562 if (!eTag.isEmpty()) | 562 if (!eTag.isEmpty()) |
563 revalidatingRequest.setHTTPHeaderField(HTTPNames::If_None_Match, eTag); | 563 revalidatingRequest.setHTTPHeaderField(HTTPNames::If_None_Match, eTag); |
564 | 564 |
565 double stalenessLifetime = resource->stalenessLifetime(); | 565 double stalenessLifetime = resource->stalenessLifetime(); |
566 if (std::isfinite(stalenessLifetime) && stalenessLifetime > 0) { | 566 if (std::isfinite(stalenessLifetime) && stalenessLifetime > 0) { |
567 revalidatingRequest.setHTTPHeaderField(HTTPNames::Resource_Freshness, At
omicString(String::format("max-age=%.0lf,stale-while-revalidate=%.0lf,age=%.0lf"
, resource->freshnessLifetime(), stalenessLifetime, resource->currentAge()))); | 567 revalidatingRequest.setHTTPHeaderField(HTTPNames::Resource_Freshness, At
omicString(String::format("max-age=%.0lf,stale-while-revalidate=%.0lf,age=%.0lf"
, resource->freshnessLifetime(), stalenessLifetime, resource->currentAge()))); |
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584 | 584 |
585 memoryCache()->add(resource.get()); | 585 memoryCache()->add(resource.get()); |
586 return resource; | 586 return resource; |
587 } | 587 } |
588 | 588 |
589 void ResourceFetcher::storeResourceTimingInitiatorInformation(Resource* resource
) | 589 void ResourceFetcher::storeResourceTimingInitiatorInformation(Resource* resource
) |
590 { | 590 { |
591 if (resource->options().initiatorInfo.name == FetchInitiatorTypeNames::inter
nal) | 591 if (resource->options().initiatorInfo.name == FetchInitiatorTypeNames::inter
nal) |
592 return; | 592 return; |
593 | 593 |
594 OwnPtr<ResourceTimingInfo> info = ResourceTimingInfo::create(resource->optio
ns().initiatorInfo.name, monotonicallyIncreasingTime(), resource->type() == Reso
urce::MainResource); | 594 OwnPtr<ResourceTimingInfo> info = ResourceTimingInfo::create(resource->optio
ns().initiatorInfo.name, monotonicallyIncreasingTime(), resource->getType() == R
esource::MainResource); |
595 | 595 |
596 if (resource->isCacheValidator()) { | 596 if (resource->isCacheValidator()) { |
597 const AtomicString& timingAllowOrigin = resource->response().httpHeaderF
ield(HTTPNames::Timing_Allow_Origin); | 597 const AtomicString& timingAllowOrigin = resource->response().httpHeaderF
ield(HTTPNames::Timing_Allow_Origin); |
598 if (!timingAllowOrigin.isEmpty()) | 598 if (!timingAllowOrigin.isEmpty()) |
599 info->setOriginalTimingAllowOrigin(timingAllowOrigin); | 599 info->setOriginalTimingAllowOrigin(timingAllowOrigin); |
600 } | 600 } |
601 | 601 |
602 if (resource->type() != Resource::MainResource || context().updateTimingInfo
ForIFrameNavigation(info.get())) | 602 if (resource->getType() != Resource::MainResource || context().updateTimingI
nfoForIFrameNavigation(info.get())) |
603 m_resourceTimingInfoMap.add(resource, info.release()); | 603 m_resourceTimingInfoMap.add(resource, info.release()); |
604 } | 604 } |
605 | 605 |
606 ResourceFetcher::RevalidationPolicy ResourceFetcher::determineRevalidationPolicy
(Resource::Type type, const FetchRequest& fetchRequest, Resource* existingResour
ce, bool isStaticData) const | 606 ResourceFetcher::RevalidationPolicy ResourceFetcher::determineRevalidationPolicy
(Resource::Type type, const FetchRequest& fetchRequest, Resource* existingResour
ce, bool isStaticData) const |
607 { | 607 { |
608 const ResourceRequest& request = fetchRequest.resourceRequest(); | 608 const ResourceRequest& request = fetchRequest.resourceRequest(); |
609 | 609 |
610 if (!existingResource) | 610 if (!existingResource) |
611 return Load; | 611 return Load; |
612 | 612 |
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635 | 635 |
636 // Service Worker's CORS fallback message must not be cached. | 636 // Service Worker's CORS fallback message must not be cached. |
637 if (existingResource->response().wasFallbackRequiredByServiceWorker()) | 637 if (existingResource->response().wasFallbackRequiredByServiceWorker()) |
638 return Reload; | 638 return Reload; |
639 | 639 |
640 // We already have a preload going for this URL. | 640 // We already have a preload going for this URL. |
641 if (fetchRequest.forPreload() && existingResource->isPreloaded()) | 641 if (fetchRequest.forPreload() && existingResource->isPreloaded()) |
642 return Use; | 642 return Use; |
643 | 643 |
644 // If the same URL has been loaded as a different type, we need to reload. | 644 // If the same URL has been loaded as a different type, we need to reload. |
645 if (existingResource->type() != type) { | 645 if (existingResource->getType() != type) { |
646 // FIXME: If existingResource is a Preload and the new type is LinkPrefe
tch | 646 // FIXME: If existingResource is a Preload and the new type is LinkPrefe
tch |
647 // We really should discard the new prefetch since the preload has more | 647 // We really should discard the new prefetch since the preload has more |
648 // specific type information! crbug.com/379893 | 648 // specific type information! crbug.com/379893 |
649 // fast/dom/HTMLLinkElement/link-and-subresource-test hits this case. | 649 // fast/dom/HTMLLinkElement/link-and-subresource-test hits this case. |
650 WTF_LOG(ResourceLoading, "ResourceFetcher::determineRevalidationPolicy r
eloading due to type mismatch."); | 650 WTF_LOG(ResourceLoading, "ResourceFetcher::determineRevalidationPolicy r
eloading due to type mismatch."); |
651 return Reload; | 651 return Reload; |
652 } | 652 } |
653 | 653 |
654 // Do not load from cache if images are not enabled. The load for this image
will be blocked | 654 // Do not load from cache if images are not enabled. The load for this image
will be blocked |
655 // in ImageResource::load. | 655 // in ImageResource::load. |
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671 // Certain requests (e.g., XHRs) might have manually set headers that requir
e revalidation. | 671 // Certain requests (e.g., XHRs) might have manually set headers that requir
e revalidation. |
672 // FIXME: In theory, this should be a Revalidate case. In practice, the Memo
ryCache revalidation path assumes a whole bunch | 672 // FIXME: In theory, this should be a Revalidate case. In practice, the Memo
ryCache revalidation path assumes a whole bunch |
673 // of things about how revalidation works that manual headers violate, so pu
nt to Reload instead. | 673 // of things about how revalidation works that manual headers violate, so pu
nt to Reload instead. |
674 if (request.isConditional()) | 674 if (request.isConditional()) |
675 return Reload; | 675 return Reload; |
676 | 676 |
677 // Don't reload resources while pasting. | 677 // Don't reload resources while pasting. |
678 if (m_allowStaleResources) | 678 if (m_allowStaleResources) |
679 return Use; | 679 return Use; |
680 | 680 |
681 if (request.cachePolicy() == ResourceRequestCachePolicy::ReloadBypassingCach
e) | 681 if (request.getCachePolicy() == ResourceRequestCachePolicy::ReloadBypassingC
ache) |
682 return Reload; | 682 return Reload; |
683 | 683 |
684 if (!fetchRequest.options().canReuseRequest(existingResource->options())) | 684 if (!fetchRequest.options().canReuseRequest(existingResource->options())) |
685 return Reload; | 685 return Reload; |
686 | 686 |
687 // Always use preloads. | 687 // Always use preloads. |
688 if (existingResource->isPreloaded()) | 688 if (existingResource->isPreloaded()) |
689 return Use; | 689 return Use; |
690 | 690 |
691 // CachePolicyHistoryBuffer uses the cache no matter what. | 691 // CachePolicyHistoryBuffer uses the cache no matter what. |
692 CachePolicy cachePolicy = context().cachePolicy(); | 692 CachePolicy cachePolicy = context().getCachePolicy(); |
693 if (cachePolicy == CachePolicyHistoryBuffer) | 693 if (cachePolicy == CachePolicyHistoryBuffer) |
694 return Use; | 694 return Use; |
695 | 695 |
696 // Don't reuse resources with Cache-control: no-store. | 696 // Don't reuse resources with Cache-control: no-store. |
697 if (existingResource->hasCacheControlNoStoreHeader()) { | 697 if (existingResource->hasCacheControlNoStoreHeader()) { |
698 WTF_LOG(ResourceLoading, "ResourceFetcher::determineRevalidationPolicy r
eloading due to Cache-control: no-store."); | 698 WTF_LOG(ResourceLoading, "ResourceFetcher::determineRevalidationPolicy r
eloading due to Cache-control: no-store."); |
699 return Reload; | 699 return Reload; |
700 } | 700 } |
701 | 701 |
702 // If credentials were sent with the previous request and won't be | 702 // If credentials were sent with the previous request and won't be |
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811 return clientDefersImage(url) || !m_autoLoadImages; | 811 return clientDefersImage(url) || !m_autoLoadImages; |
812 } | 812 } |
813 | 813 |
814 void ResourceFetcher::reloadImagesIfNotDeferred() | 814 void ResourceFetcher::reloadImagesIfNotDeferred() |
815 { | 815 { |
816 // TODO(japhet): Once oilpan ships, the const auto& | 816 // TODO(japhet): Once oilpan ships, the const auto& |
817 // can be replaced with a Resource*. Also, null checking | 817 // can be replaced with a Resource*. Also, null checking |
818 // the resource probably won't be necesssary. | 818 // the resource probably won't be necesssary. |
819 for (const auto& documentResource : m_documentResources) { | 819 for (const auto& documentResource : m_documentResources) { |
820 Resource* resource = documentResource.value.get(); | 820 Resource* resource = documentResource.value.get(); |
821 if (resource && resource->type() == Resource::Image && resource->stillNe
edsLoad() && !clientDefersImage(resource->url())) | 821 if (resource && resource->getType() == Resource::Image && resource->stil
lNeedsLoad() && !clientDefersImage(resource->url())) |
822 const_cast<Resource*>(resource)->load(this, defaultResourceOptions()
); | 822 const_cast<Resource*>(resource)->load(this, defaultResourceOptions()
); |
823 } | 823 } |
824 } | 824 } |
825 | 825 |
826 void ResourceFetcher::redirectReceived(Resource* resource, const ResourceRespons
e& redirectResponse) | 826 void ResourceFetcher::redirectReceived(Resource* resource, const ResourceRespons
e& redirectResponse) |
827 { | 827 { |
828 ResourceTimingInfoMap::iterator it = m_resourceTimingInfoMap.find(resource); | 828 ResourceTimingInfoMap::iterator it = m_resourceTimingInfoMap.find(resource); |
829 if (it != m_resourceTimingInfoMap.end()) | 829 if (it != m_resourceTimingInfoMap.end()) |
830 it->value->addRedirect(redirectResponse); | 830 it->value->addRedirect(redirectResponse); |
831 } | 831 } |
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871 void ResourceFetcher::clearPreloads(ClearPreloadsPolicy policy) | 871 void ResourceFetcher::clearPreloads(ClearPreloadsPolicy policy) |
872 { | 872 { |
873 #if PRELOAD_DEBUG | 873 #if PRELOAD_DEBUG |
874 printPreloadStats(); | 874 printPreloadStats(); |
875 #endif | 875 #endif |
876 if (!m_preloads) | 876 if (!m_preloads) |
877 return; | 877 return; |
878 | 878 |
879 for (auto resource : *m_preloads) { | 879 for (auto resource : *m_preloads) { |
880 resource->decreasePreloadCount(); | 880 resource->decreasePreloadCount(); |
881 if (resource->preloadResult() == Resource::PreloadNotReferenced && (poli
cy == ClearAllPreloads || !resource->isLinkPreload())) | 881 if (resource->getPreloadResult() == Resource::PreloadNotReferenced && (p
olicy == ClearAllPreloads || !resource->isLinkPreload())) |
882 memoryCache()->remove(resource.get()); | 882 memoryCache()->remove(resource.get()); |
883 } | 883 } |
884 m_preloads.clear(); | 884 m_preloads.clear(); |
885 } | 885 } |
886 | 886 |
887 ArchiveResource* ResourceFetcher::createArchive(Resource* resource) | 887 ArchiveResource* ResourceFetcher::createArchive(Resource* resource) |
888 { | 888 { |
889 // Only the top-frame can load MHTML. | 889 // Only the top-frame can load MHTML. |
890 if (!context().isMainFrame()) | 890 if (!context().isMainFrame()) |
891 return nullptr; | 891 return nullptr; |
892 m_archive = MHTMLArchive::create(resource->url(), resource->resourceBuffer()
); | 892 m_archive = MHTMLArchive::create(resource->url(), resource->resourceBuffer()
); |
893 return m_archive ? m_archive->mainResource() : nullptr; | 893 return m_archive ? m_archive->mainResource() : nullptr; |
894 } | 894 } |
895 | 895 |
896 bool ResourceFetcher::scheduleArchiveLoad(Resource* resource, const ResourceRequ
est& request) | 896 bool ResourceFetcher::scheduleArchiveLoad(Resource* resource, const ResourceRequ
est& request) |
897 { | 897 { |
898 if (resource->type() == Resource::MainResource && !context().isMainFrame()) | 898 if (resource->getType() == Resource::MainResource && !context().isMainFrame(
)) |
899 m_archive = context().archive(); | 899 m_archive = context().archive(); |
900 | 900 |
901 if (!m_archive) | 901 if (!m_archive) |
902 return false; | 902 return false; |
903 | 903 |
904 ArchiveResource* archiveResource = m_archive->subresourceForURL(request.url(
)); | 904 ArchiveResource* archiveResource = m_archive->subresourceForURL(request.url(
)); |
905 if (!archiveResource) { | 905 if (!archiveResource) { |
906 resource->error(Resource::LoadError); | 906 resource->error(Resource::LoadError); |
907 return false; | 907 return false; |
908 } | 908 } |
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948 context().dispatchWillSendRequest(identifier, request, redirectResponse, ini
tiatorInfo); | 948 context().dispatchWillSendRequest(identifier, request, redirectResponse, ini
tiatorInfo); |
949 } | 949 } |
950 | 950 |
951 void ResourceFetcher::didReceiveResponse(const Resource* resource, const Resourc
eResponse& response) | 951 void ResourceFetcher::didReceiveResponse(const Resource* resource, const Resourc
eResponse& response) |
952 { | 952 { |
953 // If the response is fetched via ServiceWorker, the original URL of the res
ponse could be different from the URL of the request. | 953 // If the response is fetched via ServiceWorker, the original URL of the res
ponse could be different from the URL of the request. |
954 // We check the URL not to load the resources which are forbidden by the pag
e CSP. | 954 // We check the URL not to load the resources which are forbidden by the pag
e CSP. |
955 // https://w3c.github.io/webappsec-csp/#should-block-response | 955 // https://w3c.github.io/webappsec-csp/#should-block-response |
956 if (response.wasFetchedViaServiceWorker()) { | 956 if (response.wasFetchedViaServiceWorker()) { |
957 const KURL& originalURL = response.originalURLViaServiceWorker(); | 957 const KURL& originalURL = response.originalURLViaServiceWorker(); |
958 if (!originalURL.isEmpty() && !context().allowResponse(resource->type(),
resource->resourceRequest(), originalURL, resource->options())) { | 958 if (!originalURL.isEmpty() && !context().allowResponse(resource->getType
(), resource->resourceRequest(), originalURL, resource->options())) { |
959 resource->loader()->cancel(); | 959 resource->loader()->cancel(); |
960 bool isInternalRequest = resource->options().initiatorInfo.name == F
etchInitiatorTypeNames::internal; | 960 bool isInternalRequest = resource->options().initiatorInfo.name == F
etchInitiatorTypeNames::internal; |
961 context().dispatchDidFail(resource->identifier(), ResourceError(erro
rDomainBlinkInternal, 0, originalURL.string(), "Unsafe attempt to load URL " + o
riginalURL.elidedString() + " fetched by a ServiceWorker."), isInternalRequest); | 961 context().dispatchDidFail(resource->identifier(), ResourceError(erro
rDomainBlinkInternal, 0, originalURL.string(), "Unsafe attempt to load URL " + o
riginalURL.elidedString() + " fetched by a ServiceWorker."), isInternalRequest); |
962 return; | 962 return; |
963 } | 963 } |
964 } | 964 } |
965 context().dispatchDidReceiveResponse(resource->identifier(), response, resou
rce->resourceRequest().frameType(), resource->resourceRequest().requestContext()
, resource->loader()); | 965 context().dispatchDidReceiveResponse(resource->identifier(), response, resou
rce->resourceRequest().frameType(), resource->resourceRequest().requestContext()
, resource->loader()); |
966 } | 966 } |
967 | 967 |
968 void ResourceFetcher::didReceiveData(const Resource* resource, const char* data,
int dataLength, int encodedDataLength) | 968 void ResourceFetcher::didReceiveData(const Resource* resource, const char* data,
int dataLength, int encodedDataLength) |
(...skipping 76 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1045 return context().defersLoading(); | 1045 return context().defersLoading(); |
1046 } | 1046 } |
1047 | 1047 |
1048 bool ResourceFetcher::isLoadedBy(ResourceFetcher* possibleOwner) const | 1048 bool ResourceFetcher::isLoadedBy(ResourceFetcher* possibleOwner) const |
1049 { | 1049 { |
1050 return this == possibleOwner; | 1050 return this == possibleOwner; |
1051 } | 1051 } |
1052 | 1052 |
1053 bool ResourceFetcher::canAccessRedirect(Resource* resource, ResourceRequest& new
Request, const ResourceResponse& redirectResponse, ResourceLoaderOptions& option
s) | 1053 bool ResourceFetcher::canAccessRedirect(Resource* resource, ResourceRequest& new
Request, const ResourceResponse& redirectResponse, ResourceLoaderOptions& option
s) |
1054 { | 1054 { |
1055 if (!context().canRequest(resource->type(), newRequest, newRequest.url(), op
tions, resource->isUnusedPreload(), FetchRequest::UseDefaultOriginRestrictionFor
Type)) | 1055 if (!context().canRequest(resource->getType(), newRequest, newRequest.url(),
options, resource->isUnusedPreload(), FetchRequest::UseDefaultOriginRestriction
ForType)) |
1056 return false; | 1056 return false; |
1057 if (options.corsEnabled == IsCORSEnabled) { | 1057 if (options.corsEnabled == IsCORSEnabled) { |
1058 SecurityOrigin* sourceOrigin = options.securityOrigin.get(); | 1058 SecurityOrigin* sourceOrigin = options.securityOrigin.get(); |
1059 if (!sourceOrigin) | 1059 if (!sourceOrigin) |
1060 sourceOrigin = context().securityOrigin(); | 1060 sourceOrigin = context().securityOrigin(); |
1061 | 1061 |
1062 String errorMessage; | 1062 String errorMessage; |
1063 StoredCredentials withCredentials = resource->lastResourceRequest().allo
wStoredCredentials() ? AllowStoredCredentials : DoNotAllowStoredCredentials; | 1063 StoredCredentials withCredentials = resource->lastResourceRequest().allo
wStoredCredentials() ? AllowStoredCredentials : DoNotAllowStoredCredentials; |
1064 if (!CrossOriginAccessControl::handleRedirect(sourceOrigin, newRequest,
redirectResponse, withCredentials, options, errorMessage)) { | 1064 if (!CrossOriginAccessControl::handleRedirect(sourceOrigin, newRequest,
redirectResponse, withCredentials, options, errorMessage)) { |
1065 resource->setCORSFailed(); | 1065 resource->setCORSFailed(); |
1066 context().addConsoleMessage(errorMessage); | 1066 context().addConsoleMessage(errorMessage); |
1067 return false; | 1067 return false; |
1068 } | 1068 } |
1069 } | 1069 } |
1070 if (resource->type() == Resource::Image && shouldDeferImageLoad(newRequest.u
rl())) | 1070 if (resource->getType() == Resource::Image && shouldDeferImageLoad(newReques
t.url())) |
1071 return false; | 1071 return false; |
1072 return true; | 1072 return true; |
1073 } | 1073 } |
1074 | 1074 |
1075 void ResourceFetcher::updateAllImageResourcePriorities() | 1075 void ResourceFetcher::updateAllImageResourcePriorities() |
1076 { | 1076 { |
1077 if (!m_loaders) | 1077 if (!m_loaders) |
1078 return; | 1078 return; |
1079 | 1079 |
1080 TRACE_EVENT0("blink", "ResourceLoadPriorityOptimizer::updateAllImageResource
Priorities"); | 1080 TRACE_EVENT0("blink", "ResourceLoadPriorityOptimizer::updateAllImageResource
Priorities"); |
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1113 if (!m_preloads) | 1113 if (!m_preloads) |
1114 return; | 1114 return; |
1115 | 1115 |
1116 unsigned scripts = 0; | 1116 unsigned scripts = 0; |
1117 unsigned scriptMisses = 0; | 1117 unsigned scriptMisses = 0; |
1118 unsigned stylesheets = 0; | 1118 unsigned stylesheets = 0; |
1119 unsigned stylesheetMisses = 0; | 1119 unsigned stylesheetMisses = 0; |
1120 unsigned images = 0; | 1120 unsigned images = 0; |
1121 unsigned imageMisses = 0; | 1121 unsigned imageMisses = 0; |
1122 for (auto resource : *m_preloads) { | 1122 for (auto resource : *m_preloads) { |
1123 if (resource->preloadResult() == Resource::PreloadNotReferenced) | 1123 if (resource->getPreloadResult() == Resource::PreloadNotReferenced) |
1124 printf("!! UNREFERENCED PRELOAD %s\n", resource->url().string().lati
n1().data()); | 1124 printf("!! UNREFERENCED PRELOAD %s\n", resource->url().string().lati
n1().data()); |
1125 else if (resource->preloadResult() == Resource::PreloadReferencedWhileCo
mplete) | 1125 else if (resource->getPreloadResult() == Resource::PreloadReferencedWhil
eComplete) |
1126 printf("HIT COMPLETE PRELOAD %s\n", resource->url().string().latin1(
).data()); | 1126 printf("HIT COMPLETE PRELOAD %s\n", resource->url().string().latin1(
).data()); |
1127 else if (resource->preloadResult() == Resource::PreloadReferencedWhileLo
ading) | 1127 else if (resource->getPreloadResult() == Resource::PreloadReferencedWhil
eLoading) |
1128 printf("HIT LOADING PRELOAD %s\n", resource->url().string().latin1()
.data()); | 1128 printf("HIT LOADING PRELOAD %s\n", resource->url().string().latin1()
.data()); |
1129 | 1129 |
1130 if (resource->type() == Resource::Script) { | 1130 if (resource->getType() == Resource::Script) { |
1131 scripts++; | 1131 scripts++; |
1132 if (resource->preloadResult() < Resource::PreloadReferencedWhileLoad
ing) | 1132 if (resource->getPreloadResult() < Resource::PreloadReferencedWhileL
oading) |
1133 scriptMisses++; | 1133 scriptMisses++; |
1134 } else if (resource->type() == Resource::CSSStyleSheet) { | 1134 } else if (resource->getType() == Resource::CSSStyleSheet) { |
1135 stylesheets++; | 1135 stylesheets++; |
1136 if (resource->preloadResult() < Resource::PreloadReferencedWhileLoad
ing) | 1136 if (resource->getPreloadResult() < Resource::PreloadReferencedWhileL
oading) |
1137 stylesheetMisses++; | 1137 stylesheetMisses++; |
1138 } else { | 1138 } else { |
1139 images++; | 1139 images++; |
1140 if (resource->preloadResult() < Resource::PreloadReferencedWhileLoad
ing) | 1140 if (resource->getPreloadResult() < Resource::PreloadReferencedWhileL
oading) |
1141 imageMisses++; | 1141 imageMisses++; |
1142 } | 1142 } |
1143 | 1143 |
1144 if (resource->errorOccurred()) | 1144 if (resource->errorOccurred()) |
1145 memoryCache()->remove(resource.get()); | 1145 memoryCache()->remove(resource.get()); |
1146 | 1146 |
1147 resource->decreasePreloadCount(); | 1147 resource->decreasePreloadCount(); |
1148 } | 1148 } |
1149 m_preloads.clear(); | 1149 m_preloads.clear(); |
1150 | 1150 |
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1210 visitor->trace(m_loaders); | 1210 visitor->trace(m_loaders); |
1211 visitor->trace(m_nonBlockingLoaders); | 1211 visitor->trace(m_nonBlockingLoaders); |
1212 #if ENABLE(OILPAN) | 1212 #if ENABLE(OILPAN) |
1213 visitor->trace(m_documentResources); | 1213 visitor->trace(m_documentResources); |
1214 visitor->trace(m_preloads); | 1214 visitor->trace(m_preloads); |
1215 visitor->trace(m_resourceTimingInfoMap); | 1215 visitor->trace(m_resourceTimingInfoMap); |
1216 #endif | 1216 #endif |
1217 } | 1217 } |
1218 | 1218 |
1219 } // namespace blink | 1219 } // namespace blink |
OLD | NEW |