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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc
e-loading | 5 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc
e-loading |
6 | 6 |
7 #include "content/browser/loader/resource_dispatcher_host_impl.h" | 7 #include "content/browser/loader/resource_dispatcher_host_impl.h" |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <set> | 10 #include <set> |
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1143 int route_id, | 1143 int route_id, |
1144 int process_type, | 1144 int process_type, |
1145 int child_id, | 1145 int child_id, |
1146 ResourceContext* resource_context) { | 1146 ResourceContext* resource_context) { |
1147 // Construct the IPC resource handler. | 1147 // Construct the IPC resource handler. |
1148 scoped_ptr<ResourceHandler> handler; | 1148 scoped_ptr<ResourceHandler> handler; |
1149 if (sync_result) { | 1149 if (sync_result) { |
1150 handler.reset(new SyncResourceHandler(request, sync_result, this)); | 1150 handler.reset(new SyncResourceHandler(request, sync_result, this)); |
1151 } else { | 1151 } else { |
1152 handler.reset(new AsyncResourceHandler(request, this)); | 1152 handler.reset(new AsyncResourceHandler(request, this)); |
1153 if (IsDetachableResourceType(request_data.resource_type)) { | |
1154 handler.reset(new DetachableResourceHandler( | |
1155 request, | |
1156 base::TimeDelta::FromMilliseconds(kDefaultDetachableCancelDelayMs), | |
1157 handler.Pass())); | |
1158 } | |
1159 } | 1153 } |
1160 | 1154 |
1161 // The RedirectToFileResourceHandler depends on being next in the chain. | 1155 // The RedirectToFileResourceHandler depends on being next in the chain. |
1162 if (request_data.download_to_file) { | 1156 if (request_data.download_to_file) { |
1163 handler.reset( | 1157 handler.reset( |
1164 new RedirectToFileResourceHandler(handler.Pass(), request, this)); | 1158 new RedirectToFileResourceHandler(handler.Pass(), request)); |
| 1159 } |
| 1160 |
| 1161 // Prefetches and <a ping> requests outlive their child process. |
| 1162 if (!sync_result && IsDetachableResourceType(request_data.resource_type)) { |
| 1163 handler.reset(new DetachableResourceHandler( |
| 1164 request, |
| 1165 base::TimeDelta::FromMilliseconds(kDefaultDetachableCancelDelayMs), |
| 1166 handler.Pass())); |
1165 } | 1167 } |
1166 | 1168 |
1167 // Install a CrossSiteResourceHandler for all main frame requests. This will | 1169 // Install a CrossSiteResourceHandler for all main frame requests. This will |
1168 // let us check whether a transfer is required and pause for the unload | 1170 // let us check whether a transfer is required and pause for the unload |
1169 // handler either if so or if a cross-process navigation is already under way. | 1171 // handler either if so or if a cross-process navigation is already under way. |
1170 bool is_swappable_navigation = | 1172 bool is_swappable_navigation = |
1171 request_data.resource_type == ResourceType::MAIN_FRAME; | 1173 request_data.resource_type == ResourceType::MAIN_FRAME; |
1172 // If we are using --site-per-process, install it for subframes as well. | 1174 // If we are using --site-per-process, install it for subframes as well. |
1173 if (!is_swappable_navigation && | 1175 if (!is_swappable_navigation && |
1174 CommandLine::ForCurrentProcess()->HasSwitch(switches::kSitePerProcess)) { | 1176 CommandLine::ForCurrentProcess()->HasSwitch(switches::kSitePerProcess)) { |
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1209 | 1211 |
1210 void ResourceDispatcherHostImpl::OnReleaseDownloadedFile(int request_id) { | 1212 void ResourceDispatcherHostImpl::OnReleaseDownloadedFile(int request_id) { |
1211 UnregisterDownloadedTempFile(filter_->child_id(), request_id); | 1213 UnregisterDownloadedTempFile(filter_->child_id(), request_id); |
1212 } | 1214 } |
1213 | 1215 |
1214 void ResourceDispatcherHostImpl::OnDataDownloadedACK(int request_id) { | 1216 void ResourceDispatcherHostImpl::OnDataDownloadedACK(int request_id) { |
1215 // TODO(michaeln): maybe throttle DataDownloaded messages | 1217 // TODO(michaeln): maybe throttle DataDownloaded messages |
1216 } | 1218 } |
1217 | 1219 |
1218 void ResourceDispatcherHostImpl::RegisterDownloadedTempFile( | 1220 void ResourceDispatcherHostImpl::RegisterDownloadedTempFile( |
1219 int child_id, int request_id, ShareableFileReference* reference) { | 1221 int child_id, int request_id, const base::FilePath& file_path) { |
| 1222 scoped_refptr<ShareableFileReference> reference = |
| 1223 ShareableFileReference::Get(file_path); |
| 1224 DCHECK(reference); |
| 1225 |
1220 registered_temp_files_[child_id][request_id] = reference; | 1226 registered_temp_files_[child_id][request_id] = reference; |
1221 ChildProcessSecurityPolicyImpl::GetInstance()->GrantReadFile( | 1227 ChildProcessSecurityPolicyImpl::GetInstance()->GrantReadFile( |
1222 child_id, reference->path()); | 1228 child_id, reference->path()); |
1223 | 1229 |
1224 // When the temp file is deleted, revoke permissions that the renderer has | 1230 // When the temp file is deleted, revoke permissions that the renderer has |
1225 // to that file. This covers an edge case where the file is deleted and then | 1231 // to that file. This covers an edge case where the file is deleted and then |
1226 // the same name is re-used for some other purpose, we don't want the old | 1232 // the same name is re-used for some other purpose, we don't want the old |
1227 // renderer to still have access to it. | 1233 // renderer to still have access to it. |
1228 // | 1234 // |
1229 // We do this when the file is deleted because the renderer can take a blob | 1235 // We do this when the file is deleted because the renderer can take a blob |
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1994 if ((load_flags & net::LOAD_REPORT_RAW_HEADERS) | 2000 if ((load_flags & net::LOAD_REPORT_RAW_HEADERS) |
1995 && !policy->CanReadRawCookies(child_id)) { | 2001 && !policy->CanReadRawCookies(child_id)) { |
1996 VLOG(1) << "Denied unauthorized request for raw headers"; | 2002 VLOG(1) << "Denied unauthorized request for raw headers"; |
1997 load_flags &= ~net::LOAD_REPORT_RAW_HEADERS; | 2003 load_flags &= ~net::LOAD_REPORT_RAW_HEADERS; |
1998 } | 2004 } |
1999 | 2005 |
2000 return load_flags; | 2006 return load_flags; |
2001 } | 2007 } |
2002 | 2008 |
2003 } // namespace content | 2009 } // namespace content |
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