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| 1 /* | |
| 2 * Copyright (C) 2011 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 are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef ResourceLoaderOptions_h | |
| 32 #define ResourceLoaderOptions_h | |
| 33 | |
| 34 #include "core/fetch/FetchInitiatorInfo.h" | |
| 35 #include "core/fetch/IntegrityMetadata.h" | |
| 36 #include "platform/CrossThreadCopier.h" | |
| 37 #include "platform/weborigin/SecurityOrigin.h" | |
| 38 #include "wtf/Allocator.h" | |
| 39 | |
| 40 namespace blink { | |
| 41 | |
| 42 enum DataBufferingPolicy { BufferData, DoNotBufferData }; | |
| 43 | |
| 44 enum ContentSecurityPolicyDisposition { | |
| 45 CheckContentSecurityPolicy, | |
| 46 DoNotCheckContentSecurityPolicy | |
| 47 }; | |
| 48 | |
| 49 enum RequestInitiatorContext { | |
| 50 DocumentContext, | |
| 51 WorkerContext, | |
| 52 }; | |
| 53 | |
| 54 enum StoredCredentials { AllowStoredCredentials, DoNotAllowStoredCredentials }; | |
| 55 | |
| 56 // APIs like XMLHttpRequest and EventSource let the user decide whether to send | |
| 57 // credentials, but they're always sent for same-origin requests. Additional | |
| 58 // information is needed to handle cross-origin redirects correctly. | |
| 59 enum CredentialRequest { | |
| 60 ClientRequestedCredentials, | |
| 61 ClientDidNotRequestCredentials | |
| 62 }; | |
| 63 | |
| 64 enum SynchronousPolicy { RequestSynchronously, RequestAsynchronously }; | |
| 65 | |
| 66 // A resource fetch can be marked as being CORS enabled. The loader must perform | |
| 67 // an access check upon seeing the response. | |
| 68 enum CORSEnabled { NotCORSEnabled, IsCORSEnabled }; | |
| 69 | |
| 70 // Was the request generated from a "parser-inserted" element? | |
| 71 // https://html.spec.whatwg.org/multipage/scripting.html#parser-inserted | |
| 72 enum ParserDisposition { ParserInserted, NotParserInserted }; | |
| 73 | |
| 74 enum CacheAwareLoadingEnabled { | |
| 75 NotCacheAwareLoadingEnabled, | |
| 76 IsCacheAwareLoadingEnabled | |
| 77 }; | |
| 78 | |
| 79 struct ResourceLoaderOptions { | |
| 80 USING_FAST_MALLOC(ResourceLoaderOptions); | |
| 81 | |
| 82 public: | |
| 83 ResourceLoaderOptions() | |
| 84 : dataBufferingPolicy(BufferData), | |
| 85 allowCredentials(DoNotAllowStoredCredentials), | |
| 86 credentialsRequested(ClientDidNotRequestCredentials), | |
| 87 contentSecurityPolicyOption(CheckContentSecurityPolicy), | |
| 88 requestInitiatorContext(DocumentContext), | |
| 89 synchronousPolicy(RequestAsynchronously), | |
| 90 corsEnabled(NotCORSEnabled), | |
| 91 parserDisposition(ParserInserted), | |
| 92 cacheAwareLoadingEnabled(NotCacheAwareLoadingEnabled) {} | |
| 93 | |
| 94 ResourceLoaderOptions( | |
| 95 DataBufferingPolicy dataBufferingPolicy, | |
| 96 StoredCredentials allowCredentials, | |
| 97 CredentialRequest credentialsRequested, | |
| 98 ContentSecurityPolicyDisposition contentSecurityPolicyOption, | |
| 99 RequestInitiatorContext requestInitiatorContext) | |
| 100 : dataBufferingPolicy(dataBufferingPolicy), | |
| 101 allowCredentials(allowCredentials), | |
| 102 credentialsRequested(credentialsRequested), | |
| 103 contentSecurityPolicyOption(contentSecurityPolicyOption), | |
| 104 requestInitiatorContext(requestInitiatorContext), | |
| 105 synchronousPolicy(RequestAsynchronously), | |
| 106 corsEnabled(NotCORSEnabled), | |
| 107 parserDisposition(ParserInserted), | |
| 108 cacheAwareLoadingEnabled(NotCacheAwareLoadingEnabled) {} | |
| 109 | |
| 110 // Answers the question "can a separate request with these different options | |
| 111 // be re-used" (e.g. preload request) The safe (but possibly slow) answer is | |
| 112 // always false. | |
| 113 bool canReuseRequest(const ResourceLoaderOptions& other) const { | |
| 114 // dataBufferingPolicy differences are believed to be safe for re-use. | |
| 115 // FIXME: check allowCredentials. | |
| 116 // FIXME: check credentialsRequested. | |
| 117 // FIXME: check contentSecurityPolicyOption. | |
| 118 // initiatorInfo is purely informational and should be benign for re-use. | |
| 119 // requestInitiatorContext is benign (indicates document vs. worker) | |
| 120 if (synchronousPolicy != other.synchronousPolicy) | |
| 121 return false; | |
| 122 return corsEnabled == other.corsEnabled; | |
| 123 // securityOrigin has more complicated checks which callers are responsible | |
| 124 // for. | |
| 125 } | |
| 126 | |
| 127 // When adding members, CrossThreadResourceLoaderOptionsData should be | |
| 128 // updated. | |
| 129 DataBufferingPolicy dataBufferingPolicy; | |
| 130 | |
| 131 // Whether HTTP credentials and cookies are sent with the request. | |
| 132 StoredCredentials allowCredentials; | |
| 133 | |
| 134 // Whether the client (e.g. XHR) wanted credentials in the first place. | |
| 135 CredentialRequest credentialsRequested; | |
| 136 | |
| 137 ContentSecurityPolicyDisposition contentSecurityPolicyOption; | |
| 138 FetchInitiatorInfo initiatorInfo; | |
| 139 RequestInitiatorContext requestInitiatorContext; | |
| 140 SynchronousPolicy synchronousPolicy; | |
| 141 | |
| 142 // If the resource is loaded out-of-origin, whether or not to use CORS. | |
| 143 CORSEnabled corsEnabled; | |
| 144 | |
| 145 RefPtr<SecurityOrigin> securityOrigin; | |
| 146 String contentSecurityPolicyNonce; | |
| 147 IntegrityMetadataSet integrityMetadata; | |
| 148 ParserDisposition parserDisposition; | |
| 149 CacheAwareLoadingEnabled cacheAwareLoadingEnabled; | |
| 150 }; | |
| 151 | |
| 152 // Encode AtomicString (in FetchInitiatorInfo) as String to cross threads. | |
| 153 struct CrossThreadResourceLoaderOptionsData { | |
| 154 DISALLOW_NEW(); | |
| 155 explicit CrossThreadResourceLoaderOptionsData( | |
| 156 const ResourceLoaderOptions& options) | |
| 157 : dataBufferingPolicy(options.dataBufferingPolicy), | |
| 158 allowCredentials(options.allowCredentials), | |
| 159 credentialsRequested(options.credentialsRequested), | |
| 160 contentSecurityPolicyOption(options.contentSecurityPolicyOption), | |
| 161 initiatorInfo(options.initiatorInfo), | |
| 162 requestInitiatorContext(options.requestInitiatorContext), | |
| 163 synchronousPolicy(options.synchronousPolicy), | |
| 164 corsEnabled(options.corsEnabled), | |
| 165 securityOrigin(options.securityOrigin | |
| 166 ? options.securityOrigin->isolatedCopy() | |
| 167 : nullptr), | |
| 168 contentSecurityPolicyNonce(options.contentSecurityPolicyNonce), | |
| 169 integrityMetadata(options.integrityMetadata), | |
| 170 parserDisposition(options.parserDisposition), | |
| 171 cacheAwareLoadingEnabled(options.cacheAwareLoadingEnabled) {} | |
| 172 | |
| 173 operator ResourceLoaderOptions() const { | |
| 174 ResourceLoaderOptions options; | |
| 175 options.dataBufferingPolicy = dataBufferingPolicy; | |
| 176 options.allowCredentials = allowCredentials; | |
| 177 options.credentialsRequested = credentialsRequested; | |
| 178 options.contentSecurityPolicyOption = contentSecurityPolicyOption; | |
| 179 options.initiatorInfo = initiatorInfo; | |
| 180 options.requestInitiatorContext = requestInitiatorContext; | |
| 181 options.synchronousPolicy = synchronousPolicy; | |
| 182 options.corsEnabled = corsEnabled; | |
| 183 options.securityOrigin = securityOrigin; | |
| 184 options.contentSecurityPolicyNonce = contentSecurityPolicyNonce; | |
| 185 options.integrityMetadata = integrityMetadata; | |
| 186 options.parserDisposition = parserDisposition; | |
| 187 options.cacheAwareLoadingEnabled = cacheAwareLoadingEnabled; | |
| 188 return options; | |
| 189 } | |
| 190 | |
| 191 DataBufferingPolicy dataBufferingPolicy; | |
| 192 StoredCredentials allowCredentials; | |
| 193 CredentialRequest credentialsRequested; | |
| 194 ContentSecurityPolicyDisposition contentSecurityPolicyOption; | |
| 195 CrossThreadFetchInitiatorInfoData initiatorInfo; | |
| 196 RequestInitiatorContext requestInitiatorContext; | |
| 197 SynchronousPolicy synchronousPolicy; | |
| 198 CORSEnabled corsEnabled; | |
| 199 RefPtr<SecurityOrigin> securityOrigin; | |
| 200 String contentSecurityPolicyNonce; | |
| 201 IntegrityMetadataSet integrityMetadata; | |
| 202 ParserDisposition parserDisposition; | |
| 203 CacheAwareLoadingEnabled cacheAwareLoadingEnabled; | |
| 204 }; | |
| 205 | |
| 206 template <> | |
| 207 struct CrossThreadCopier<ResourceLoaderOptions> { | |
| 208 using Type = CrossThreadResourceLoaderOptionsData; | |
| 209 static Type copy(const ResourceLoaderOptions& options) { | |
| 210 return CrossThreadResourceLoaderOptionsData(options); | |
| 211 } | |
| 212 }; | |
| 213 | |
| 214 } // namespace blink | |
| 215 | |
| 216 #endif // ResourceLoaderOptions_h | |
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Chromium Code Reviews
Issue 2584423002:
Loading: move core/fetch to platform/loader/fetch (Closed)
