15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2011 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions in binary form must reproduce the above 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Neither the name of Google Inc. nor the names of its 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * contributors may be used to endorse or promote products derived from 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * this software without specific prior written permission. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 3353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/loader/LinkLoader.h" 3453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) 355d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)#include "core/FetchInitiatorTypeNames.h" 3653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/dom/Document.h" 37e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles)#include "core/fetch/FetchRequest.h" 38e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles)#include "core/fetch/ResourceFetcher.h" 3909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "core/frame/Settings.h" 4053e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/html/LinkRelAttribute.h" 41f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles)#include "core/loader/PrerenderHandle.h" 4209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "platform/Prerender.h" 431e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "platform/network/DNS.h" 44197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch#include "public/platform/WebPrerender.h" 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 46c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)static unsigned prerenderRelTypesFromRelAttribute(const LinkRelAttribute& relAttribute) 4909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles){ 5009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) unsigned result = 0; 5109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) if (relAttribute.isLinkPrerender()) 52197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch result |= blink::PrerenderRelTypePrerender; 5309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) if (relAttribute.isLinkNext()) 54197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch result |= blink::PrerenderRelTypeNext; 5509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 5609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) return result; 5709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)} 5809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)LinkLoader::LinkLoader(LinkLoaderClient* client) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_client(client) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_linkLoadTimer(this, &LinkLoader::linkLoadTimerFired) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_linkLoadingErrorTimer(this, &LinkLoader::linkLoadingErrorTimerFired) 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)LinkLoader::~LinkLoader() 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void LinkLoader::linkLoadTimerFired(Timer<LinkLoader>* timer) 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT_UNUSED(timer, timer == &m_linkLoadTimer); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_client->linkLoaded(); 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void LinkLoader::linkLoadingErrorTimerFired(Timer<LinkLoader>* timer) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT_UNUSED(timer, timer == &m_linkLoadingErrorTimer); 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_client->linkLoadingErrored(); 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 82fff8884795cb540f87cf6e6d67b629519b00eb8bBen Murdochvoid LinkLoader::notifyFinished(Resource* resource) 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 8409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) ASSERT(this->resource() == resource); 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 8609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) if (resource->errorOccurred()) 87d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) m_linkLoadingErrorTimer.startOneShot(0, FROM_HERE); 8802772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch else 89d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) m_linkLoadTimer.startOneShot(0, FROM_HERE); 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 9109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) clearResource(); 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 94926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)void LinkLoader::didStartPrerender() 95926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 96926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) m_client->didStartLinkPrerender(); 97926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 98926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 99926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)void LinkLoader::didStopPrerender() 100926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 101926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) m_client->didStopLinkPrerender(); 102926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 103926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 104926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)void LinkLoader::didSendLoadForPrerender() 105926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 106926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) m_client->didSendLoadForLinkPrerender(); 107926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 108926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 109926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)void LinkLoader::didSendDOMContentLoadedForPrerender() 110926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 111926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) m_client->didSendDOMContentLoadedForLinkPrerender(); 112926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 113926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 11409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)bool LinkLoader::loadLink(const LinkRelAttribute& relAttribute, const AtomicString& crossOriginMode, const String& type, const KURL& href, Document& document) 1155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 11653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) if (relAttribute.isDNSPrefetch()) { 1178abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) Settings* settings = document.settings(); 1185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // FIXME: The href attribute of the link element can be in "//hostname" form, and we shouldn't attempt 1195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // to complete that as URL <https://bugs.webkit.org/show_bug.cgi?id=48857>. 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (settings && settings->dnsPrefetchingEnabled() && href.isValid() && !href.isEmpty()) 1215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) prefetchDNS(href.host()); 1225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 124a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) // FIXME(crbug.com/323096): Should take care of import. 125d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) if ((relAttribute.isLinkPrefetch() || relAttribute.isLinkSubresource() || relAttribute.isTransitionExitingStylesheet()) && href.isValid() && document.frame()) { 1265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!m_client->shouldLoadLink()) 1275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return false; 128fff8884795cb540f87cf6e6d67b629519b00eb8bBen Murdoch Resource::Type type = relAttribute.isLinkSubresource() ? Resource::LinkSubresource : Resource::LinkPrefetch; 1298abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) FetchRequest linkRequest(ResourceRequest(document.completeURL(href)), FetchInitiatorTypeNames::link); 13009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) if (!crossOriginMode.isNull()) 13109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) linkRequest.setCrossOriginAccessControl(document.securityOrigin(), crossOriginMode); 13209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) setResource(document.fetcher()->fetchLinkResource(type, linkRequest)); 1335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 13509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) if (const unsigned prerenderRelTypes = prerenderRelTypesFromRelAttribute(relAttribute)) { 1361e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) if (!m_prerender) { 13709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) m_prerender = PrerenderHandle::create(document, this, href, prerenderRelTypes); 1381e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) } else if (m_prerender->url() != href) { 1391e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) m_prerender->cancel(); 14009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) m_prerender = PrerenderHandle::create(document, this, href, prerenderRelTypes); 14153e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) } 14209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // TODO(gavinp): Handle changes to rel types of existing prerenders. 1431e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) } else if (m_prerender) { 1441e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) m_prerender->cancel(); 145f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) m_prerender.clear(); 1465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 1485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void LinkLoader::released() 1515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 152fff8884795cb540f87cf6e6d67b629519b00eb8bBen Murdoch // Only prerenders need treatment here; other links either use the Resource interface, or are notionally 1535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // atomic (dns prefetch). 1541e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) if (m_prerender) { 1551e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) m_prerender->cancel(); 1561e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) m_prerender.clear(); 1575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 161