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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 | |
| 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 AND ITS CONTRIBUTORS ``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 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/RawResource.h" | |
| 27 | |
| 28 #include "core/fetch/FetchRequest.h" | |
| 29 #include "core/fetch/MemoryCache.h" | |
| 30 #include "core/fetch/ResourceClientWalker.h" | |
| 31 #include "core/fetch/ResourceFetcher.h" | |
| 32 #include "core/fetch/ResourceLoader.h" | |
| 33 #include "platform/HTTPNames.h" | |
| 34 #include <memory> | |
| 35 | |
| 36 namespace blink { | |
| 37 | |
| 38 Resource* RawResource::fetchSynchronously(FetchRequest& request, | |
| 39 ResourceFetcher* fetcher) { | |
| 40 request.makeSynchronous(); | |
| 41 return fetcher->requestResource(request, RawResourceFactory(Resource::Raw)); | |
| 42 } | |
| 43 | |
| 44 RawResource* RawResource::fetchImport(FetchRequest& request, | |
| 45 ResourceFetcher* fetcher) { | |
| 46 DCHECK_EQ(request.resourceRequest().frameType(), | |
| 47 WebURLRequest::FrameTypeNone); | |
| 48 request.mutableResourceRequest().setRequestContext( | |
| 49 WebURLRequest::RequestContextImport); | |
| 50 return toRawResource(fetcher->requestResource( | |
| 51 request, RawResourceFactory(Resource::ImportResource))); | |
| 52 } | |
| 53 | |
| 54 RawResource* RawResource::fetch(FetchRequest& request, | |
| 55 ResourceFetcher* fetcher) { | |
| 56 DCHECK_EQ(request.resourceRequest().frameType(), | |
| 57 WebURLRequest::FrameTypeNone); | |
| 58 DCHECK_NE(request.resourceRequest().requestContext(), | |
| 59 WebURLRequest::RequestContextUnspecified); | |
| 60 return toRawResource( | |
| 61 fetcher->requestResource(request, RawResourceFactory(Resource::Raw))); | |
| 62 } | |
| 63 | |
| 64 RawResource* RawResource::fetchMainResource( | |
| 65 FetchRequest& request, | |
| 66 ResourceFetcher* fetcher, | |
| 67 const SubstituteData& substituteData) { | |
| 68 DCHECK_NE(request.resourceRequest().frameType(), | |
| 69 WebURLRequest::FrameTypeNone); | |
| 70 DCHECK(request.resourceRequest().requestContext() == | |
| 71 WebURLRequest::RequestContextForm || | |
| 72 request.resourceRequest().requestContext() == | |
| 73 WebURLRequest::RequestContextFrame || | |
| 74 request.resourceRequest().requestContext() == | |
| 75 WebURLRequest::RequestContextHyperlink || | |
| 76 request.resourceRequest().requestContext() == | |
| 77 WebURLRequest::RequestContextIframe || | |
| 78 request.resourceRequest().requestContext() == | |
| 79 WebURLRequest::RequestContextInternal || | |
| 80 request.resourceRequest().requestContext() == | |
| 81 WebURLRequest::RequestContextLocation); | |
| 82 | |
| 83 return toRawResource(fetcher->requestResource( | |
| 84 request, RawResourceFactory(Resource::MainResource), substituteData)); | |
| 85 } | |
| 86 | |
| 87 RawResource* RawResource::fetchMedia(FetchRequest& request, | |
| 88 ResourceFetcher* fetcher) { | |
| 89 DCHECK_EQ(request.resourceRequest().frameType(), | |
| 90 WebURLRequest::FrameTypeNone); | |
| 91 DCHECK(request.resourceRequest().requestContext() == | |
| 92 WebURLRequest::RequestContextAudio || | |
| 93 request.resourceRequest().requestContext() == | |
| 94 WebURLRequest::RequestContextVideo); | |
| 95 return toRawResource( | |
| 96 fetcher->requestResource(request, RawResourceFactory(Resource::Media))); | |
| 97 } | |
| 98 | |
| 99 RawResource* RawResource::fetchTextTrack(FetchRequest& request, | |
| 100 ResourceFetcher* fetcher) { | |
| 101 DCHECK_EQ(request.resourceRequest().frameType(), | |
| 102 WebURLRequest::FrameTypeNone); | |
| 103 request.mutableResourceRequest().setRequestContext( | |
| 104 WebURLRequest::RequestContextTrack); | |
| 105 return toRawResource(fetcher->requestResource( | |
| 106 request, RawResourceFactory(Resource::TextTrack))); | |
| 107 } | |
| 108 | |
| 109 RawResource* RawResource::fetchManifest(FetchRequest& request, | |
| 110 ResourceFetcher* fetcher) { | |
| 111 DCHECK_EQ(request.resourceRequest().frameType(), | |
| 112 WebURLRequest::FrameTypeNone); | |
| 113 DCHECK_EQ(request.resourceRequest().requestContext(), | |
| 114 WebURLRequest::RequestContextManifest); | |
| 115 return toRawResource(fetcher->requestResource( | |
| 116 request, RawResourceFactory(Resource::Manifest))); | |
| 117 } | |
| 118 | |
| 119 RawResource::RawResource(const ResourceRequest& resourceRequest, | |
| 120 Type type, | |
| 121 const ResourceLoaderOptions& options) | |
| 122 : Resource(resourceRequest, type, options) {} | |
| 123 | |
| 124 void RawResource::appendData(const char* data, size_t length) { | |
| 125 Resource::appendData(data, length); | |
| 126 | |
| 127 ResourceClientWalker<RawResourceClient> w(clients()); | |
| 128 while (RawResourceClient* c = w.next()) | |
| 129 c->dataReceived(this, data, length); | |
| 130 } | |
| 131 | |
| 132 void RawResource::didAddClient(ResourceClient* c) { | |
| 133 // CHECK()/RevalidationStartForbiddenScope are for | |
| 134 // https://crbug.com/640960#c24. | |
| 135 CHECK(!isCacheValidator()); | |
| 136 if (!hasClient(c)) | |
| 137 return; | |
| 138 DCHECK(RawResourceClient::isExpectedType(c)); | |
| 139 RevalidationStartForbiddenScope revalidationStartForbiddenScope(this); | |
| 140 RawResourceClient* client = static_cast<RawResourceClient*>(c); | |
| 141 for (const auto& redirect : redirectChain()) { | |
| 142 ResourceRequest request(redirect.m_request); | |
| 143 client->redirectReceived(this, request, redirect.m_redirectResponse); | |
| 144 if (!hasClient(c)) | |
| 145 return; | |
| 146 } | |
| 147 | |
| 148 if (!response().isNull()) | |
| 149 client->responseReceived(this, response(), nullptr); | |
| 150 if (!hasClient(c)) | |
| 151 return; | |
| 152 if (data()) | |
| 153 client->dataReceived(this, data()->data(), data()->size()); | |
| 154 if (!hasClient(c)) | |
| 155 return; | |
| 156 Resource::didAddClient(client); | |
| 157 } | |
| 158 | |
| 159 bool RawResource::willFollowRedirect(const ResourceRequest& newRequest, | |
| 160 const ResourceResponse& redirectResponse) { | |
| 161 bool follow = Resource::willFollowRedirect(newRequest, redirectResponse); | |
| 162 // The base class method takes a non const reference of a ResourceRequest | |
| 163 // and returns bool just for allowing RawResource to reject redirect. It | |
| 164 // must always return true. | |
| 165 DCHECK(follow); | |
| 166 | |
| 167 DCHECK(!redirectResponse.isNull()); | |
| 168 ResourceClientWalker<RawResourceClient> w(clients()); | |
| 169 while (RawResourceClient* c = w.next()) { | |
| 170 if (!c->redirectReceived(this, newRequest, redirectResponse)) | |
| 171 follow = false; | |
| 172 } | |
| 173 | |
| 174 return follow; | |
| 175 } | |
| 176 | |
| 177 void RawResource::willNotFollowRedirect() { | |
| 178 ResourceClientWalker<RawResourceClient> w(clients()); | |
| 179 while (RawResourceClient* c = w.next()) | |
| 180 c->redirectBlocked(); | |
| 181 } | |
| 182 | |
| 183 void RawResource::responseReceived( | |
| 184 const ResourceResponse& response, | |
| 185 std::unique_ptr<WebDataConsumerHandle> handle) { | |
| 186 bool isSuccessfulRevalidation = | |
| 187 isCacheValidator() && response.httpStatusCode() == 304; | |
| 188 Resource::responseReceived(response, nullptr); | |
| 189 | |
| 190 ResourceClientWalker<RawResourceClient> w(clients()); | |
| 191 DCHECK(clients().size() <= 1 || !handle); | |
| 192 while (RawResourceClient* c = w.next()) { | |
| 193 // |handle| is cleared when passed, but it's not a problem because |handle| | |
| 194 // is null when there are two or more clients, as asserted. | |
| 195 c->responseReceived(this, this->response(), std::move(handle)); | |
| 196 } | |
| 197 | |
| 198 // If we successfully revalidated, we won't get appendData() calls. Forward | |
| 199 // the data to clients now instead. Note: |m_data| can be null when no data is | |
| 200 // appended to the original resource. | |
| 201 if (isSuccessfulRevalidation && data()) { | |
| 202 ResourceClientWalker<RawResourceClient> w(clients()); | |
| 203 while (RawResourceClient* c = w.next()) | |
| 204 c->dataReceived(this, data()->data(), data()->size()); | |
| 205 } | |
| 206 } | |
| 207 | |
| 208 void RawResource::setSerializedCachedMetadata(const char* data, size_t size) { | |
| 209 Resource::setSerializedCachedMetadata(data, size); | |
| 210 ResourceClientWalker<RawResourceClient> w(clients()); | |
| 211 while (RawResourceClient* c = w.next()) | |
| 212 c->setSerializedCachedMetadata(this, data, size); | |
| 213 } | |
| 214 | |
| 215 void RawResource::didSendData(unsigned long long bytesSent, | |
| 216 unsigned long long totalBytesToBeSent) { | |
| 217 ResourceClientWalker<RawResourceClient> w(clients()); | |
| 218 while (RawResourceClient* c = w.next()) | |
| 219 c->dataSent(this, bytesSent, totalBytesToBeSent); | |
| 220 } | |
| 221 | |
| 222 void RawResource::didDownloadData(int dataLength) { | |
| 223 ResourceClientWalker<RawResourceClient> w(clients()); | |
| 224 while (RawResourceClient* c = w.next()) | |
| 225 c->dataDownloaded(this, dataLength); | |
| 226 } | |
| 227 | |
| 228 void RawResource::reportResourceTimingToClients( | |
| 229 const ResourceTimingInfo& info) { | |
| 230 ResourceClientWalker<RawResourceClient> w(clients()); | |
| 231 while (RawResourceClient* c = w.next()) | |
| 232 c->didReceiveResourceTiming(this, info); | |
| 233 } | |
| 234 | |
| 235 void RawResource::setDefersLoading(bool defers) { | |
| 236 if (loader()) | |
| 237 loader()->setDefersLoading(defers); | |
| 238 } | |
| 239 | |
| 240 static bool shouldIgnoreHeaderForCacheReuse(AtomicString headerName) { | |
| 241 // FIXME: This list of headers that don't affect cache policy almost certainly | |
| 242 // isn't complete. | |
| 243 DEFINE_STATIC_LOCAL( | |
| 244 HashSet<AtomicString>, headers, | |
| 245 ({ | |
| 246 "Cache-Control", "If-Modified-Since", "If-None-Match", "Origin", | |
| 247 "Pragma", "Purpose", "Referer", "User-Agent", | |
| 248 HTTPNames::X_DevTools_Emulate_Network_Conditions_Client_Id, | |
| 249 })); | |
| 250 return headers.contains(headerName); | |
| 251 } | |
| 252 | |
| 253 static bool isCacheableHTTPMethod(const AtomicString& method) { | |
| 254 // Per http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html#sec13.10, | |
| 255 // these methods always invalidate the cache entry. | |
| 256 return method != "POST" && method != "PUT" && method != "DELETE"; | |
| 257 } | |
| 258 | |
| 259 bool RawResource::canReuse(const ResourceRequest& newRequest) const { | |
| 260 if (getDataBufferingPolicy() == DoNotBufferData) | |
| 261 return false; | |
| 262 | |
| 263 if (!isCacheableHTTPMethod(resourceRequest().httpMethod())) | |
| 264 return false; | |
| 265 if (resourceRequest().httpMethod() != newRequest.httpMethod()) | |
| 266 return false; | |
| 267 | |
| 268 if (resourceRequest().httpBody() != newRequest.httpBody()) | |
| 269 return false; | |
| 270 | |
| 271 if (resourceRequest().allowStoredCredentials() != | |
| 272 newRequest.allowStoredCredentials()) | |
| 273 return false; | |
| 274 | |
| 275 // Ensure most headers match the existing headers before continuing. Note that | |
| 276 // the list of ignored headers includes some headers explicitly related to | |
| 277 // caching. A more detailed check of caching policy will be performed later, | |
| 278 // this is simply a list of headers that we might permit to be different and | |
| 279 // still reuse the existing Resource. | |
| 280 const HTTPHeaderMap& newHeaders = newRequest.httpHeaderFields(); | |
| 281 const HTTPHeaderMap& oldHeaders = resourceRequest().httpHeaderFields(); | |
| 282 | |
| 283 for (const auto& header : newHeaders) { | |
| 284 AtomicString headerName = header.key; | |
| 285 if (!shouldIgnoreHeaderForCacheReuse(headerName) && | |
| 286 header.value != oldHeaders.get(headerName)) | |
| 287 return false; | |
| 288 } | |
| 289 | |
| 290 for (const auto& header : oldHeaders) { | |
| 291 AtomicString headerName = header.key; | |
| 292 if (!shouldIgnoreHeaderForCacheReuse(headerName) && | |
| 293 header.value != newHeaders.get(headerName)) | |
| 294 return false; | |
| 295 } | |
| 296 | |
| 297 return true; | |
| 298 } | |
| 299 | |
| 300 RawResourceClientStateChecker::RawResourceClientStateChecker() | |
| 301 : m_state(NotAddedAsClient) {} | |
| 302 | |
| 303 RawResourceClientStateChecker::~RawResourceClientStateChecker() {} | |
| 304 | |
| 305 NEVER_INLINE void RawResourceClientStateChecker::willAddClient() { | |
| 306 SECURITY_CHECK(m_state == NotAddedAsClient); | |
| 307 m_state = Started; | |
| 308 } | |
| 309 | |
| 310 NEVER_INLINE void RawResourceClientStateChecker::willRemoveClient() { | |
| 311 SECURITY_CHECK(m_state != NotAddedAsClient); | |
| 312 m_state = NotAddedAsClient; | |
| 313 } | |
| 314 | |
| 315 NEVER_INLINE void RawResourceClientStateChecker::redirectReceived() { | |
| 316 SECURITY_CHECK(m_state == Started); | |
| 317 } | |
| 318 | |
| 319 NEVER_INLINE void RawResourceClientStateChecker::redirectBlocked() { | |
| 320 SECURITY_CHECK(m_state == Started); | |
| 321 m_state = RedirectBlocked; | |
| 322 } | |
| 323 | |
| 324 NEVER_INLINE void RawResourceClientStateChecker::dataSent() { | |
| 325 SECURITY_CHECK(m_state == Started); | |
| 326 } | |
| 327 | |
| 328 NEVER_INLINE void RawResourceClientStateChecker::responseReceived() { | |
| 329 SECURITY_CHECK(m_state == Started); | |
| 330 m_state = ResponseReceived; | |
| 331 } | |
| 332 | |
| 333 NEVER_INLINE void RawResourceClientStateChecker::setSerializedCachedMetadata() { | |
| 334 SECURITY_CHECK(m_state == ResponseReceived); | |
| 335 m_state = SetSerializedCachedMetadata; | |
| 336 } | |
| 337 | |
| 338 NEVER_INLINE void RawResourceClientStateChecker::dataReceived() { | |
| 339 SECURITY_CHECK(m_state == ResponseReceived || | |
| 340 m_state == SetSerializedCachedMetadata || | |
| 341 m_state == DataReceived); | |
| 342 m_state = DataReceived; | |
| 343 } | |
| 344 | |
| 345 NEVER_INLINE void RawResourceClientStateChecker::dataDownloaded() { | |
| 346 SECURITY_CHECK(m_state == ResponseReceived || | |
| 347 m_state == SetSerializedCachedMetadata || | |
| 348 m_state == DataDownloaded); | |
| 349 m_state = DataDownloaded; | |
| 350 } | |
| 351 | |
| 352 NEVER_INLINE void RawResourceClientStateChecker::notifyFinished( | |
| 353 Resource* resource) { | |
| 354 SECURITY_CHECK(m_state != NotAddedAsClient); | |
| 355 SECURITY_CHECK(m_state != NotifyFinished); | |
| 356 SECURITY_CHECK(resource->errorOccurred() || | |
| 357 (m_state == ResponseReceived || | |
| 358 m_state == SetSerializedCachedMetadata || | |
| 359 m_state == DataReceived || m_state == DataDownloaded)); | |
| 360 m_state = NotifyFinished; | |
| 361 } | |
| 362 | |
| 363 } // namespace blink | |
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Chromium Code Reviews
Issue 2584423002:
Loading: move core/fetch to platform/loader/fetch (Closed)
