| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/browser/renderer_host/resource_loader.h" | |
| 6 | |
| 7 #include "base/message_loop.h" | |
| 8 #include "base/time.h" | |
| 9 #include "content/browser/child_process_security_policy_impl.h" | |
| 10 #include "content/browser/renderer_host/doomed_resource_handler.h" | |
| 11 #include "content/browser/renderer_host/resource_loader_delegate.h" | |
| 12 #include "content/browser/renderer_host/resource_request_info_impl.h" | |
| 13 #include "content/browser/ssl/ssl_client_auth_handler.h" | |
| 14 #include "content/browser/ssl/ssl_manager.h" | |
| 15 #include "content/common/ssl_status_serialization.h" | |
| 16 #include "content/public/browser/cert_store.h" | |
| 17 #include "content/public/browser/resource_dispatcher_host_login_delegate.h" | |
| 18 #include "content/public/common/resource_response.h" | |
| 19 #include "net/base/load_flags.h" | |
| 20 #include "net/http/http_response_headers.h" | |
| 21 #include "webkit/appcache/appcache_interceptor.h" | |
| 22 | |
| 23 using base::TimeDelta; | |
| 24 using base::TimeTicks; | |
| 25 | |
| 26 namespace content { | |
| 27 namespace { | |
| 28 | |
| 29 void PopulateResourceResponse(net::URLRequest* request, | |
| 30 ResourceResponse* response) { | |
| 31 response->head.error_code = request->status().error(); | |
| 32 response->head.request_time = request->request_time(); | |
| 33 response->head.response_time = request->response_time(); | |
| 34 response->head.headers = request->response_headers(); | |
| 35 request->GetCharset(&response->head.charset); | |
| 36 response->head.content_length = request->GetExpectedContentSize(); | |
| 37 request->GetMimeType(&response->head.mime_type); | |
| 38 net::HttpResponseInfo response_info = request->response_info(); | |
| 39 response->head.was_fetched_via_spdy = response_info.was_fetched_via_spdy; | |
| 40 response->head.was_npn_negotiated = response_info.was_npn_negotiated; | |
| 41 response->head.npn_negotiated_protocol = | |
| 42 response_info.npn_negotiated_protocol; | |
| 43 response->head.was_fetched_via_proxy = request->was_fetched_via_proxy(); | |
| 44 response->head.socket_address = request->GetSocketAddress(); | |
| 45 appcache::AppCacheInterceptor::GetExtraResponseInfo( | |
| 46 request, | |
| 47 &response->head.appcache_id, | |
| 48 &response->head.appcache_manifest_url); | |
| 49 } | |
| 50 | |
| 51 } // namespace | |
| 52 | |
| 53 ResourceLoader::ResourceLoader(scoped_ptr<net::URLRequest> request, | |
| 54 scoped_ptr<ResourceHandler> handler, | |
| 55 ResourceLoaderDelegate* delegate) | |
| 56 : deferred_stage_(DEFERRED_NONE), | |
| 57 request_(request.Pass()), | |
| 58 handler_(handler.Pass()), | |
| 59 delegate_(delegate), | |
| 60 last_upload_position_(0), | |
| 61 waiting_for_upload_progress_ack_(false), | |
| 62 is_transferring_(false), | |
| 63 weak_ptr_factory_(this) { | |
| 64 request_->set_delegate(this); | |
| 65 handler_->SetController(this); | |
| 66 } | |
| 67 | |
| 68 ResourceLoader::~ResourceLoader() { | |
| 69 if (login_delegate_) | |
| 70 login_delegate_->OnRequestCancelled(); | |
| 71 if (ssl_client_auth_handler_) | |
| 72 ssl_client_auth_handler_->OnRequestCancelled(); | |
| 73 | |
| 74 // Run ResourceHandler destructor before we tear-down the rest of our state | |
| 75 // as the ResourceHandler may want to inspect the URLRequest and other state. | |
| 76 handler_.reset(); | |
| 77 } | |
| 78 | |
| 79 void ResourceLoader::StartRequest() { | |
| 80 if (delegate_->HandleExternalProtocol(this, request_->url())) { | |
| 81 CancelAndIgnore(); | |
| 82 return; | |
| 83 } | |
| 84 | |
| 85 // Give the handler a chance to delay the URLRequest from being started. | |
| 86 bool defer_start = false; | |
| 87 if (!handler_->OnWillStart(GetRequestInfo()->GetRequestID(), request_->url(), | |
| 88 &defer_start)) { | |
| 89 Cancel(); | |
| 90 return; | |
| 91 } | |
| 92 | |
| 93 if (defer_start) { | |
| 94 deferred_stage_ = DEFERRED_START; | |
| 95 } else { | |
| 96 StartRequestInternal(); | |
| 97 } | |
| 98 } | |
| 99 | |
| 100 void ResourceLoader::CancelRequest(bool from_renderer) { | |
| 101 CancelRequestInternal(net::ERR_ABORTED, from_renderer); | |
| 102 } | |
| 103 | |
| 104 void ResourceLoader::CancelAndIgnore() { | |
| 105 ResourceRequestInfoImpl* info = GetRequestInfo(); | |
| 106 info->set_was_ignored_by_handler(true); | |
| 107 CancelRequest(false); | |
| 108 } | |
| 109 | |
| 110 void ResourceLoader::CancelWithError(int error_code) { | |
| 111 CancelRequestInternal(error_code, false); | |
| 112 } | |
| 113 | |
| 114 void ResourceLoader::ReportUploadProgress() { | |
| 115 ResourceRequestInfoImpl* info = GetRequestInfo(); | |
| 116 | |
| 117 if (waiting_for_upload_progress_ack_) | |
| 118 return; // Send one progress event at a time. | |
| 119 | |
| 120 net::UploadProgress progress = request_->GetUploadProgress(); | |
| 121 if (!progress.size()) | |
| 122 return; // Nothing to upload. | |
| 123 | |
| 124 if (progress.position() == last_upload_position_) | |
| 125 return; // No progress made since last time. | |
| 126 | |
| 127 const uint64 kHalfPercentIncrements = 200; | |
| 128 const TimeDelta kOneSecond = TimeDelta::FromMilliseconds(1000); | |
| 129 | |
| 130 uint64 amt_since_last = progress.position() - last_upload_position_; | |
| 131 TimeDelta time_since_last = TimeTicks::Now() - last_upload_ticks_; | |
| 132 | |
| 133 bool is_finished = (progress.size() == progress.position()); | |
| 134 bool enough_new_progress = | |
| 135 (amt_since_last > (progress.size() / kHalfPercentIncrements)); | |
| 136 bool too_much_time_passed = time_since_last > kOneSecond; | |
| 137 | |
| 138 if (is_finished || enough_new_progress || too_much_time_passed) { | |
| 139 if (request_->load_flags() & net::LOAD_ENABLE_UPLOAD_PROGRESS) { | |
| 140 handler_->OnUploadProgress( | |
| 141 info->GetRequestID(), progress.position(), progress.size()); | |
| 142 waiting_for_upload_progress_ack_ = true; | |
| 143 } | |
| 144 last_upload_ticks_ = TimeTicks::Now(); | |
| 145 last_upload_position_ = progress.position(); | |
| 146 } | |
| 147 } | |
| 148 | |
| 149 void ResourceLoader::MarkAsTransferring() { | |
| 150 is_transferring_ = true; | |
| 151 | |
| 152 // When an URLRequest is transferred to a new RenderViewHost, its | |
| 153 // ResourceHandler should not receive any notifications because it may depend | |
| 154 // on the state of the old RVH. We set a ResourceHandler that only allows | |
| 155 // canceling requests, because on shutdown of the RDH all pending requests | |
| 156 // are canceled. The RVH of requests that are being transferred may be gone | |
| 157 // by that time. In CompleteTransfer, the ResoureHandlers are substituted | |
| 158 // again. | |
| 159 handler_.reset(new DoomedResourceHandler(handler_.Pass())); | |
| 160 } | |
| 161 | |
| 162 void ResourceLoader::WillCompleteTransfer() { | |
| 163 handler_.reset(); | |
| 164 } | |
| 165 | |
| 166 void ResourceLoader::CompleteTransfer(scoped_ptr<ResourceHandler> new_handler) { | |
| 167 DCHECK_EQ(DEFERRED_REDIRECT, deferred_stage_); | |
| 168 DCHECK(!handler_.get()); | |
| 169 | |
| 170 handler_ = new_handler.Pass(); | |
| 171 handler_->SetController(this); | |
| 172 is_transferring_ = false; | |
| 173 | |
| 174 Resume(); | |
| 175 } | |
| 176 | |
| 177 ResourceRequestInfoImpl* ResourceLoader::GetRequestInfo() { | |
| 178 return ResourceRequestInfoImpl::ForRequest(request_.get()); | |
| 179 } | |
| 180 | |
| 181 void ResourceLoader::ClearLoginDelegate() { | |
| 182 login_delegate_ = NULL; | |
| 183 } | |
| 184 | |
| 185 void ResourceLoader::ClearSSLClientAuthHandler() { | |
| 186 ssl_client_auth_handler_ = NULL; | |
| 187 } | |
| 188 | |
| 189 void ResourceLoader::OnUploadProgressACK() { | |
| 190 waiting_for_upload_progress_ack_ = false; | |
| 191 } | |
| 192 | |
| 193 void ResourceLoader::OnReceivedRedirect(net::URLRequest* unused, | |
| 194 const GURL& new_url, | |
| 195 bool* defer) { | |
| 196 DCHECK_EQ(request_.get(), unused); | |
| 197 | |
| 198 VLOG(1) << "OnReceivedRedirect: " << request_->url().spec(); | |
| 199 DCHECK(request_->status().is_success()); | |
| 200 | |
| 201 ResourceRequestInfoImpl* info = GetRequestInfo(); | |
| 202 | |
| 203 if (info->process_type() != PROCESS_TYPE_PLUGIN && | |
| 204 !ChildProcessSecurityPolicyImpl::GetInstance()-> | |
| 205 CanRequestURL(info->GetChildID(), new_url)) { | |
| 206 VLOG(1) << "Denied unauthorized request for " | |
| 207 << new_url.possibly_invalid_spec(); | |
| 208 | |
| 209 // Tell the renderer that this request was disallowed. | |
| 210 Cancel(); | |
| 211 return; | |
| 212 } | |
| 213 | |
| 214 delegate_->DidReceiveRedirect(this, new_url); | |
| 215 | |
| 216 if (delegate_->HandleExternalProtocol(this, new_url)) { | |
| 217 // The request is complete so we can remove it. | |
| 218 CancelAndIgnore(); | |
| 219 return; | |
| 220 } | |
| 221 | |
| 222 scoped_refptr<ResourceResponse> response(new ResourceResponse()); | |
| 223 PopulateResourceResponse(request_.get(), response); | |
| 224 | |
| 225 if (!handler_->OnRequestRedirected(info->GetRequestID(), new_url, response, | |
| 226 defer)) { | |
| 227 Cancel(); | |
| 228 } else if (*defer) { | |
| 229 deferred_stage_ = DEFERRED_REDIRECT; // Follow redirect when resumed. | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 void ResourceLoader::OnAuthRequired(net::URLRequest* unused, | |
| 234 net::AuthChallengeInfo* auth_info) { | |
| 235 DCHECK_EQ(request_.get(), unused); | |
| 236 | |
| 237 if (request_->load_flags() & net::LOAD_DO_NOT_PROMPT_FOR_LOGIN) { | |
| 238 request_->CancelAuth(); | |
| 239 return; | |
| 240 } | |
| 241 | |
| 242 if (!delegate_->AcceptAuthRequest(this, auth_info)) { | |
| 243 request_->CancelAuth(); | |
| 244 return; | |
| 245 } | |
| 246 | |
| 247 // Create a login dialog on the UI thread to get authentication data, or pull | |
| 248 // from cache and continue on the IO thread. | |
| 249 | |
| 250 DCHECK(!login_delegate_) << | |
| 251 "OnAuthRequired called with login_delegate pending"; | |
| 252 login_delegate_ = delegate_->CreateLoginDelegate(this, auth_info); | |
| 253 if (!login_delegate_) | |
| 254 request_->CancelAuth(); | |
| 255 } | |
| 256 | |
| 257 void ResourceLoader::OnCertificateRequested( | |
| 258 net::URLRequest* unused, | |
| 259 net::SSLCertRequestInfo* cert_info) { | |
| 260 DCHECK_EQ(request_.get(), unused); | |
| 261 | |
| 262 if (!delegate_->AcceptSSLClientCertificateRequest(this, cert_info)) { | |
| 263 request_->Cancel(); | |
| 264 return; | |
| 265 } | |
| 266 | |
| 267 if (cert_info->client_certs.empty()) { | |
| 268 // No need to query the user if there are no certs to choose from. | |
| 269 request_->ContinueWithCertificate(NULL); | |
| 270 return; | |
| 271 } | |
| 272 | |
| 273 DCHECK(!ssl_client_auth_handler_) << | |
| 274 "OnCertificateRequested called with ssl_client_auth_handler pending"; | |
| 275 ssl_client_auth_handler_ = new SSLClientAuthHandler(request_.get(), | |
| 276 cert_info); | |
| 277 ssl_client_auth_handler_->SelectCertificate(); | |
| 278 } | |
| 279 | |
| 280 void ResourceLoader::OnSSLCertificateError(net::URLRequest* request, | |
| 281 const net::SSLInfo& ssl_info, | |
| 282 bool fatal) { | |
| 283 ResourceRequestInfoImpl* info = GetRequestInfo(); | |
| 284 | |
| 285 int render_process_id; | |
| 286 int render_view_id; | |
| 287 if (!info->GetAssociatedRenderView(&render_process_id, &render_view_id)) | |
| 288 NOTREACHED(); | |
| 289 | |
| 290 SSLManager::OnSSLCertificateError( | |
| 291 weak_ptr_factory_.GetWeakPtr(), | |
| 292 info->GetGlobalRequestID(), | |
| 293 info->GetResourceType(), | |
| 294 request_->url(), | |
| 295 render_process_id, | |
| 296 render_view_id, | |
| 297 ssl_info, | |
| 298 fatal); | |
| 299 } | |
| 300 | |
| 301 void ResourceLoader::OnResponseStarted(net::URLRequest* unused) { | |
| 302 DCHECK_EQ(request_.get(), unused); | |
| 303 | |
| 304 VLOG(1) << "OnResponseStarted: " << request_->url().spec(); | |
| 305 | |
| 306 if (!request_->status().is_success()) { | |
| 307 ResponseCompleted(); | |
| 308 return; | |
| 309 } | |
| 310 | |
| 311 // We want to send a final upload progress message prior to sending the | |
| 312 // response complete message even if we're waiting for an ack to to a | |
| 313 // previous upload progress message. | |
| 314 waiting_for_upload_progress_ack_ = false; | |
| 315 ReportUploadProgress(); | |
| 316 | |
| 317 CompleteResponseStarted(); | |
| 318 | |
| 319 if (is_deferred()) | |
| 320 return; | |
| 321 | |
| 322 if (request_->status().is_success()) { | |
| 323 StartReading(false); // Read the first chunk. | |
| 324 } else { | |
| 325 ResponseCompleted(); | |
| 326 } | |
| 327 } | |
| 328 | |
| 329 void ResourceLoader::OnReadCompleted(net::URLRequest* unused, int bytes_read) { | |
| 330 DCHECK_EQ(request_.get(), unused); | |
| 331 VLOG(1) << "OnReadCompleted: \"" << request_->url().spec() << "\"" | |
| 332 << " bytes_read = " << bytes_read; | |
| 333 | |
| 334 // bytes_read == -1 always implies an error. | |
| 335 if (bytes_read == -1 || !request_->status().is_success()) { | |
| 336 ResponseCompleted(); | |
| 337 return; | |
| 338 } | |
| 339 | |
| 340 CompleteRead(bytes_read); | |
| 341 | |
| 342 if (is_deferred()) | |
| 343 return; | |
| 344 | |
| 345 if (request_->status().is_success() && bytes_read > 0) { | |
| 346 StartReading(true); // Read the next chunk. | |
| 347 } else { | |
| 348 ResponseCompleted(); | |
| 349 } | |
| 350 } | |
| 351 | |
| 352 void ResourceLoader::CancelSSLRequest(const GlobalRequestID& id, | |
| 353 int error, | |
| 354 const net::SSLInfo* ssl_info) { | |
| 355 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 356 | |
| 357 // The request can be NULL if it was cancelled by the renderer (as the | |
| 358 // request of the user navigating to a new page from the location bar). | |
| 359 if (!request_->is_pending()) | |
| 360 return; | |
| 361 DVLOG(1) << "CancelSSLRequest() url: " << request_->url().spec(); | |
| 362 | |
| 363 if (ssl_info) { | |
| 364 request_->CancelWithSSLError(error, *ssl_info); | |
| 365 } else { | |
| 366 request_->CancelWithError(error); | |
| 367 } | |
| 368 } | |
| 369 | |
| 370 void ResourceLoader::ContinueSSLRequest(const GlobalRequestID& id) { | |
| 371 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 372 | |
| 373 DVLOG(1) << "ContinueSSLRequest() url: " << request_->url().spec(); | |
| 374 | |
| 375 request_->ContinueDespiteLastError(); | |
| 376 } | |
| 377 | |
| 378 void ResourceLoader::Resume() { | |
| 379 DCHECK(!is_transferring_); | |
| 380 | |
| 381 DeferredStage stage = deferred_stage_; | |
| 382 deferred_stage_ = DEFERRED_NONE; | |
| 383 switch (stage) { | |
| 384 case DEFERRED_NONE: | |
| 385 NOTREACHED(); | |
| 386 break; | |
| 387 case DEFERRED_START: | |
| 388 StartRequestInternal(); | |
| 389 break; | |
| 390 case DEFERRED_REDIRECT: | |
| 391 request_->FollowDeferredRedirect(); | |
| 392 break; | |
| 393 case DEFERRED_READ: | |
| 394 MessageLoop::current()->PostTask( | |
| 395 FROM_HERE, | |
| 396 base::Bind(&ResourceLoader::ResumeReading, | |
| 397 weak_ptr_factory_.GetWeakPtr())); | |
| 398 break; | |
| 399 case DEFERRED_FINISH: | |
| 400 // Delay self-destruction since we don't know how we were reached. | |
| 401 MessageLoop::current()->PostTask( | |
| 402 FROM_HERE, | |
| 403 base::Bind(&ResourceLoader::CallDidFinishLoading, | |
| 404 weak_ptr_factory_.GetWeakPtr())); | |
| 405 break; | |
| 406 } | |
| 407 } | |
| 408 | |
| 409 void ResourceLoader::Cancel() { | |
| 410 CancelRequest(false); | |
| 411 } | |
| 412 | |
| 413 void ResourceLoader::StartRequestInternal() { | |
| 414 DCHECK(!request_->is_pending()); | |
| 415 request_->Start(); | |
| 416 | |
| 417 delegate_->DidStartRequest(this); | |
| 418 } | |
| 419 | |
| 420 void ResourceLoader::CancelRequestInternal(int error, bool from_renderer) { | |
| 421 VLOG(1) << "CancelRequestInternal: " << request_->url().spec(); | |
| 422 | |
| 423 ResourceRequestInfoImpl* info = GetRequestInfo(); | |
| 424 | |
| 425 // WebKit will send us a cancel for downloads since it no longer handles | |
| 426 // them. In this case, ignore the cancel since we handle downloads in the | |
| 427 // browser. | |
| 428 if (from_renderer && info->is_download()) | |
| 429 return; | |
| 430 | |
| 431 // TODO(darin): Perhaps we should really be looking to see if the status is | |
| 432 // IO_PENDING? | |
| 433 bool was_pending = request_->is_pending(); | |
| 434 | |
| 435 if (login_delegate_) { | |
| 436 login_delegate_->OnRequestCancelled(); | |
| 437 login_delegate_ = NULL; | |
| 438 } | |
| 439 if (ssl_client_auth_handler_) { | |
| 440 ssl_client_auth_handler_->OnRequestCancelled(); | |
| 441 ssl_client_auth_handler_ = NULL; | |
| 442 } | |
| 443 | |
| 444 request_->CancelWithError(error); | |
| 445 | |
| 446 if (!was_pending) { | |
| 447 // If the request isn't in flight, then we won't get an asynchronous | |
| 448 // notification from the request, so we have to signal ourselves to finish | |
| 449 // this request. | |
| 450 MessageLoop::current()->PostTask( | |
| 451 FROM_HERE, base::Bind(&ResourceLoader::ResponseCompleted, | |
| 452 weak_ptr_factory_.GetWeakPtr())); | |
| 453 } | |
| 454 } | |
| 455 | |
| 456 void ResourceLoader::CompleteResponseStarted() { | |
| 457 ResourceRequestInfoImpl* info = GetRequestInfo(); | |
| 458 | |
| 459 scoped_refptr<ResourceResponse> response(new ResourceResponse()); | |
| 460 PopulateResourceResponse(request_.get(), response); | |
| 461 | |
| 462 if (request_->ssl_info().cert) { | |
| 463 int cert_id = | |
| 464 CertStore::GetInstance()->StoreCert(request_->ssl_info().cert, | |
| 465 info->GetChildID()); | |
| 466 response->head.security_info = SerializeSecurityInfo( | |
| 467 cert_id, | |
| 468 request_->ssl_info().cert_status, | |
| 469 request_->ssl_info().security_bits, | |
| 470 request_->ssl_info().connection_status); | |
| 471 } else { | |
| 472 // We should not have any SSL state. | |
| 473 DCHECK(!request_->ssl_info().cert_status && | |
| 474 request_->ssl_info().security_bits == -1 && | |
| 475 !request_->ssl_info().connection_status); | |
| 476 } | |
| 477 | |
| 478 delegate_->DidReceiveResponse(this); | |
| 479 | |
| 480 bool defer = false; | |
| 481 if (!handler_->OnResponseStarted(info->GetRequestID(), response, &defer)) { | |
| 482 Cancel(); | |
| 483 } else if (defer) { | |
| 484 deferred_stage_ = DEFERRED_READ; // Read first chunk when resumed. | |
| 485 } | |
| 486 } | |
| 487 | |
| 488 void ResourceLoader::StartReading(bool is_continuation) { | |
| 489 int bytes_read = 0; | |
| 490 ReadMore(&bytes_read); | |
| 491 | |
| 492 // If IO is pending, wait for the URLRequest to call OnReadCompleted. | |
| 493 if (request_->status().is_io_pending()) | |
| 494 return; | |
| 495 | |
| 496 if (!is_continuation || bytes_read <= 0) { | |
| 497 OnReadCompleted(request_.get(), bytes_read); | |
| 498 } else { | |
| 499 // Else, trigger OnReadCompleted asynchronously to avoid starving the IO | |
| 500 // thread in case the URLRequest can provide data synchronously. | |
| 501 MessageLoop::current()->PostTask( | |
| 502 FROM_HERE, | |
| 503 base::Bind(&ResourceLoader::OnReadCompleted, | |
| 504 weak_ptr_factory_.GetWeakPtr(), | |
| 505 request_.get(), bytes_read)); | |
| 506 } | |
| 507 } | |
| 508 | |
| 509 void ResourceLoader::ResumeReading() { | |
| 510 DCHECK(!is_deferred()); | |
| 511 | |
| 512 if (request_->status().is_success()) { | |
| 513 StartReading(false); // Read the next chunk (OK to complete synchronously). | |
| 514 } else { | |
| 515 ResponseCompleted(); | |
| 516 } | |
| 517 } | |
| 518 | |
| 519 void ResourceLoader::ReadMore(int* bytes_read) { | |
| 520 ResourceRequestInfoImpl* info = GetRequestInfo(); | |
| 521 DCHECK(!is_deferred()); | |
| 522 | |
| 523 net::IOBuffer* buf; | |
| 524 int buf_size; | |
| 525 if (!handler_->OnWillRead(info->GetRequestID(), &buf, &buf_size, -1)) { | |
| 526 Cancel(); | |
| 527 return; | |
| 528 } | |
| 529 | |
| 530 DCHECK(buf); | |
| 531 DCHECK(buf_size > 0); | |
| 532 | |
| 533 request_->Read(buf, buf_size, bytes_read); | |
| 534 | |
| 535 // No need to check the return value here as we'll detect errors by | |
| 536 // inspecting the URLRequest's status. | |
| 537 } | |
| 538 | |
| 539 void ResourceLoader::CompleteRead(int bytes_read) { | |
| 540 DCHECK(bytes_read >= 0); | |
| 541 DCHECK(request_->status().is_success()); | |
| 542 | |
| 543 ResourceRequestInfoImpl* info = GetRequestInfo(); | |
| 544 | |
| 545 bool defer = false; | |
| 546 if (!handler_->OnReadCompleted(info->GetRequestID(), bytes_read, &defer)) { | |
| 547 Cancel(); | |
| 548 } else if (defer) { | |
| 549 deferred_stage_ = DEFERRED_READ; // Read next chunk when resumed. | |
| 550 } | |
| 551 } | |
| 552 | |
| 553 void ResourceLoader::ResponseCompleted() { | |
| 554 VLOG(1) << "ResponseCompleted: " << request_->url().spec(); | |
| 555 ResourceRequestInfoImpl* info = GetRequestInfo(); | |
| 556 | |
| 557 std::string security_info; | |
| 558 const net::SSLInfo& ssl_info = request_->ssl_info(); | |
| 559 if (ssl_info.cert != NULL) { | |
| 560 int cert_id = CertStore::GetInstance()->StoreCert(ssl_info.cert, | |
| 561 info->GetChildID()); | |
| 562 security_info = SerializeSecurityInfo( | |
| 563 cert_id, ssl_info.cert_status, ssl_info.security_bits, | |
| 564 ssl_info.connection_status); | |
| 565 } | |
| 566 | |
| 567 if (handler_->OnResponseCompleted(info->GetRequestID(), request_->status(), | |
| 568 security_info)) { | |
| 569 // This will result in our destruction. | |
| 570 CallDidFinishLoading(); | |
| 571 } else { | |
| 572 // The handler is not ready to die yet. We will call DidFinishLoading when | |
| 573 // we resume. | |
| 574 deferred_stage_ = DEFERRED_FINISH; | |
| 575 } | |
| 576 } | |
| 577 | |
| 578 void ResourceLoader::CallDidFinishLoading() { | |
| 579 delegate_->DidFinishLoading(this); | |
| 580 } | |
| 581 | |
| 582 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 11414299:
Add content/browser/loader/ for resource loading related classes. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/