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| 1 /* | |
| 2 * Copyright (C) 2012 Google, 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 GOOGLE INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "core/fetch/FetchRequest.h" | |
| 27 | |
| 28 #include "core/fetch/CrossOriginAccessControl.h" | |
| 29 #include "core/fetch/ResourceFetcher.h" | |
| 30 #include "platform/weborigin/KURL.h" | |
| 31 #include "platform/weborigin/SecurityOrigin.h" | |
| 32 #include "platform/weborigin/Suborigin.h" | |
| 33 | |
| 34 namespace blink { | |
| 35 | |
| 36 FetchRequest::FetchRequest(const ResourceRequest& resourceRequest, | |
| 37 const AtomicString& initiator, | |
| 38 const String& charset) | |
| 39 : m_resourceRequest(resourceRequest), | |
| 40 m_charset(charset), | |
| 41 m_options(ResourceFetcher::defaultResourceOptions()), | |
| 42 m_forPreload(false), | |
| 43 m_linkPreload(false), | |
| 44 m_preloadDiscoveryTime(0.0), | |
| 45 m_defer(NoDefer), | |
| 46 m_originRestriction(UseDefaultOriginRestrictionForType), | |
| 47 m_placeholderImageRequestType(DisallowPlaceholder) { | |
| 48 m_options.initiatorInfo.name = initiator; | |
| 49 } | |
| 50 | |
| 51 FetchRequest::FetchRequest(const ResourceRequest& resourceRequest, | |
| 52 const AtomicString& initiator, | |
| 53 const ResourceLoaderOptions& options) | |
| 54 : m_resourceRequest(resourceRequest), | |
| 55 m_options(options), | |
| 56 m_forPreload(false), | |
| 57 m_linkPreload(false), | |
| 58 m_preloadDiscoveryTime(0.0), | |
| 59 m_defer(NoDefer), | |
| 60 m_originRestriction(UseDefaultOriginRestrictionForType), | |
| 61 m_placeholderImageRequestType( | |
| 62 PlaceholderImageRequestType::DisallowPlaceholder) { | |
| 63 m_options.initiatorInfo.name = initiator; | |
| 64 } | |
| 65 | |
| 66 FetchRequest::FetchRequest(const ResourceRequest& resourceRequest, | |
| 67 const FetchInitiatorInfo& initiator) | |
| 68 : m_resourceRequest(resourceRequest), | |
| 69 m_options(ResourceFetcher::defaultResourceOptions()), | |
| 70 m_forPreload(false), | |
| 71 m_linkPreload(false), | |
| 72 m_preloadDiscoveryTime(0.0), | |
| 73 m_defer(NoDefer), | |
| 74 m_originRestriction(UseDefaultOriginRestrictionForType), | |
| 75 m_placeholderImageRequestType( | |
| 76 PlaceholderImageRequestType::DisallowPlaceholder) { | |
| 77 m_options.initiatorInfo = initiator; | |
| 78 } | |
| 79 | |
| 80 FetchRequest::~FetchRequest() {} | |
| 81 | |
| 82 void FetchRequest::setCrossOriginAccessControl( | |
| 83 SecurityOrigin* origin, | |
| 84 CrossOriginAttributeValue crossOrigin) { | |
| 85 DCHECK_NE(crossOrigin, CrossOriginAttributeNotSet); | |
| 86 // Per https://w3c.github.io/webappsec-suborigins/#security-model-opt-outs, | |
| 87 // credentials are forced when credentials mode is "same-origin", the | |
| 88 // 'unsafe-credentials' option is set, and the request's physical origin is | |
| 89 // the same as the URL's. | |
| 90 const bool suboriginPolicyForcesCredentials = | |
| 91 origin->hasSuborigin() && | |
| 92 origin->suborigin()->policyContains( | |
| 93 Suborigin::SuboriginPolicyOptions::UnsafeCredentials) && | |
| 94 SecurityOrigin::create(url())->isSameSchemeHostPort(origin); | |
| 95 const bool useCredentials = | |
| 96 crossOrigin == CrossOriginAttributeUseCredentials || | |
| 97 suboriginPolicyForcesCredentials; | |
| 98 const bool isSameOriginRequest = | |
| 99 origin && origin->canRequestNoSuborigin(m_resourceRequest.url()); | |
| 100 | |
| 101 // Currently FetchRequestMode and FetchCredentialsMode are only used when the | |
| 102 // request goes to Service Worker. | |
| 103 m_resourceRequest.setFetchRequestMode(WebURLRequest::FetchRequestModeCORS); | |
| 104 m_resourceRequest.setFetchCredentialsMode( | |
| 105 useCredentials ? WebURLRequest::FetchCredentialsModeInclude | |
| 106 : WebURLRequest::FetchCredentialsModeSameOrigin); | |
| 107 | |
| 108 if (isSameOriginRequest || useCredentials) { | |
| 109 m_options.allowCredentials = AllowStoredCredentials; | |
| 110 m_resourceRequest.setAllowStoredCredentials(true); | |
| 111 } else { | |
| 112 m_options.allowCredentials = DoNotAllowStoredCredentials; | |
| 113 m_resourceRequest.setAllowStoredCredentials(false); | |
| 114 } | |
| 115 m_options.corsEnabled = IsCORSEnabled; | |
| 116 m_options.securityOrigin = origin; | |
| 117 m_options.credentialsRequested = useCredentials | |
| 118 ? ClientRequestedCredentials | |
| 119 : ClientDidNotRequestCredentials; | |
| 120 | |
| 121 // TODO: Credentials should be removed only when the request is cross origin. | |
| 122 m_resourceRequest.removeCredentials(); | |
| 123 | |
| 124 if (origin) | |
| 125 m_resourceRequest.setHTTPOrigin(origin); | |
| 126 } | |
| 127 | |
| 128 void FetchRequest::setResourceWidth(ResourceWidth resourceWidth) { | |
| 129 if (resourceWidth.isSet) { | |
| 130 m_resourceWidth.width = resourceWidth.width; | |
| 131 m_resourceWidth.isSet = true; | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 void FetchRequest::setForPreload(bool forPreload, double discoveryTime) { | |
| 136 m_forPreload = forPreload; | |
| 137 m_preloadDiscoveryTime = discoveryTime; | |
| 138 } | |
| 139 | |
| 140 void FetchRequest::makeSynchronous() { | |
| 141 // Synchronous requests should always be max priority, lest they hang the | |
| 142 // renderer. | |
| 143 m_resourceRequest.setPriority(ResourceLoadPriorityHighest); | |
| 144 m_resourceRequest.setTimeoutInterval(10); | |
| 145 m_options.synchronousPolicy = RequestSynchronously; | |
| 146 } | |
| 147 | |
| 148 void FetchRequest::setAllowImagePlaceholder() { | |
| 149 DCHECK_EQ(DisallowPlaceholder, m_placeholderImageRequestType); | |
| 150 if (!m_resourceRequest.url().protocolIsInHTTPFamily() || | |
| 151 m_resourceRequest.httpMethod() != "GET" || | |
| 152 !m_resourceRequest.httpHeaderField("range").isNull()) { | |
| 153 return; | |
| 154 } | |
| 155 | |
| 156 m_placeholderImageRequestType = AllowPlaceholder; | |
| 157 | |
| 158 // Fetch the first few bytes of the image. This number is tuned to both (a) | |
| 159 // likely capture the entire image for small images and (b) likely contain | |
| 160 // the dimensions for larger images. | |
| 161 // TODO(sclittle): Calculate the optimal value for this number. | |
| 162 m_resourceRequest.setHTTPHeaderField("range", "bytes=0-2047"); | |
| 163 | |
| 164 // TODO(sclittle): Indicate somehow (e.g. through a new request bit) to the | |
| 165 // embedder that it should return the full resource if the entire resource is | |
| 166 // fresh in the cache. | |
| 167 } | |
| 168 | |
| 169 } // namespace blink | |
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Chromium Code Reviews
Issue 2584423002:
Loading: move core/fetch to platform/loader/fetch (Closed)
