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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 #include "chrome/browser/extensions/extension_protocols.h" | 5 #include "chrome/browser/extensions/extension_protocols.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "app/resource_bundle.h" | 9 #include "app/resource_bundle.h" |
| 10 #include "base/file_path.h" | 10 #include "base/file_path.h" |
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| 27 #include "net/base/mime_util.h" | 27 #include "net/base/mime_util.h" |
| 28 #include "net/base/net_errors.h" | 28 #include "net/base/net_errors.h" |
| 29 #include "net/url_request/url_request_error_job.h" | 29 #include "net/url_request/url_request_error_job.h" |
| 30 #include "net/url_request/url_request_file_job.h" | 30 #include "net/url_request/url_request_file_job.h" |
| 31 #include "net/url_request/url_request_simple_job.h" | 31 #include "net/url_request/url_request_simple_job.h" |
| 32 | 32 |
| 33 namespace { | 33 namespace { |
| 34 | 34 |
| 35 class URLRequestResourceBundleJob : public URLRequestSimpleJob { | 35 class URLRequestResourceBundleJob : public URLRequestSimpleJob { |
| 36 public: | 36 public: |
| 37 explicit URLRequestResourceBundleJob(URLRequest* request, | 37 explicit URLRequestResourceBundleJob(net::URLRequest* request, |
| 38 const FilePath& filename, int resource_id) | 38 const FilePath& filename, int resource_id) |
| 39 : URLRequestSimpleJob(request), | 39 : URLRequestSimpleJob(request), |
| 40 filename_(filename), | 40 filename_(filename), |
| 41 resource_id_(resource_id) { } | 41 resource_id_(resource_id) { } |
| 42 | 42 |
| 43 // URLRequestSimpleJob method. | 43 // URLRequestSimpleJob method. |
| 44 virtual bool GetData(std::string* mime_type, | 44 virtual bool GetData(std::string* mime_type, |
| 45 std::string* charset, | 45 std::string* charset, |
| 46 std::string* data) const { | 46 std::string* data) const { |
| 47 const ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | 47 const ResourceBundle& rb = ResourceBundle::GetSharedInstance(); |
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| 60 virtual ~URLRequestResourceBundleJob() { } | 60 virtual ~URLRequestResourceBundleJob() { } |
| 61 | 61 |
| 62 // We need the filename of the resource to determine the mime type. | 62 // We need the filename of the resource to determine the mime type. |
| 63 FilePath filename_; | 63 FilePath filename_; |
| 64 | 64 |
| 65 // The resource bundle id to load. | 65 // The resource bundle id to load. |
| 66 int resource_id_; | 66 int resource_id_; |
| 67 }; | 67 }; |
| 68 | 68 |
| 69 // Returns true if an chrome-extension:// resource should be allowed to load. | 69 // Returns true if an chrome-extension:// resource should be allowed to load. |
| 70 bool AllowExtensionResourceLoad(URLRequest* request, | 70 bool AllowExtensionResourceLoad(net::URLRequest* request, |
| 71 ChromeURLRequestContext* context, | 71 ChromeURLRequestContext* context, |
| 72 const std::string& scheme) { | 72 const std::string& scheme) { |
| 73 const ResourceDispatcherHostRequestInfo* info = | 73 const ResourceDispatcherHostRequestInfo* info = |
| 74 ResourceDispatcherHost::InfoForRequest(request); | 74 ResourceDispatcherHost::InfoForRequest(request); |
| 75 | 75 |
| 76 // We have seen crashes where info is NULL: crbug.com/52374. | 76 // We have seen crashes where info is NULL: crbug.com/52374. |
| 77 if (!info) { | 77 if (!info) { |
| 78 LOG(ERROR) << "Allowing load of " << request->url().spec() | 78 LOG(ERROR) << "Allowing load of " << request->url().spec() |
| 79 << "from unknown origin. Could not find user data for " | 79 << "from unknown origin. Could not find user data for " |
| 80 << "request."; | 80 << "request."; |
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| 135 LOG(ERROR) << "Denying load of " << request->url().spec() << " from " | 135 LOG(ERROR) << "Denying load of " << request->url().spec() << " from " |
| 136 << origin_url.spec() << " because the extension does not have " | 136 << origin_url.spec() << " because the extension does not have " |
| 137 << "access to the requesting page."; | 137 << "access to the requesting page."; |
| 138 return false; | 138 return false; |
| 139 } | 139 } |
| 140 } | 140 } |
| 141 } | 141 } |
| 142 | 142 |
| 143 } // namespace | 143 } // namespace |
| 144 | 144 |
| 145 // Factory registered with URLRequest to create URLRequestJobs for extension:// | 145 // Factory registered with net::URLRequest to create URLRequestJobs for |
| 146 // URLs. | 146 // extension:// URLs. |
| 147 static URLRequestJob* CreateExtensionURLRequestJob(URLRequest* request, | 147 static URLRequestJob* CreateExtensionURLRequestJob(net::URLRequest* request, |
| 148 const std::string& scheme) { | 148 const std::string& scheme) { |
| 149 ChromeURLRequestContext* context = | 149 ChromeURLRequestContext* context = |
| 150 static_cast<ChromeURLRequestContext*>(request->context()); | 150 static_cast<ChromeURLRequestContext*>(request->context()); |
| 151 | 151 |
| 152 // TODO(mpcomplete): better error code. | 152 // TODO(mpcomplete): better error code. |
| 153 if (!AllowExtensionResourceLoad(request, context, scheme)) | 153 if (!AllowExtensionResourceLoad(request, context, scheme)) |
| 154 return new URLRequestErrorJob(request, net::ERR_ADDRESS_UNREACHABLE); | 154 return new URLRequestErrorJob(request, net::ERR_ADDRESS_UNREACHABLE); |
| 155 | 155 |
| 156 // chrome-extension://extension-id/resource/path.js | 156 // chrome-extension://extension-id/resource/path.js |
| 157 const std::string& extension_id = request->url().host(); | 157 const std::string& extension_id = request->url().host(); |
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| 194 FilePath resource_file_path; | 194 FilePath resource_file_path; |
| 195 { | 195 { |
| 196 // Getting the file path will touch the file system. Fixing | 196 // Getting the file path will touch the file system. Fixing |
| 197 // crbug.com/59849 would also fix this. Suppress the error for now. | 197 // crbug.com/59849 would also fix this. Suppress the error for now. |
| 198 base::ThreadRestrictions::ScopedAllowIO allow_io; | 198 base::ThreadRestrictions::ScopedAllowIO allow_io; |
| 199 resource_file_path = resource.GetFilePath(); | 199 resource_file_path = resource.GetFilePath(); |
| 200 } | 200 } |
| 201 return new URLRequestFileJob(request, resource_file_path); | 201 return new URLRequestFileJob(request, resource_file_path); |
| 202 } | 202 } |
| 203 | 203 |
| 204 // Factory registered with URLRequest to create URLRequestJobs for | 204 // Factory registered with net::URLRequest to create URLRequestJobs for |
| 205 // chrome-user-script:/ URLs. | 205 // chrome-user-script:/ URLs. |
| 206 static URLRequestJob* CreateUserScriptURLRequestJob(URLRequest* request, | 206 static URLRequestJob* CreateUserScriptURLRequestJob(net::URLRequest* request, |
| 207 const std::string& scheme) { | 207 const std::string& scheme) { |
| 208 ChromeURLRequestContext* context = | 208 ChromeURLRequestContext* context = |
| 209 static_cast<ChromeURLRequestContext*>(request->context()); | 209 static_cast<ChromeURLRequestContext*>(request->context()); |
| 210 | 210 |
| 211 // chrome-user-script:/user-script-name.user.js | 211 // chrome-user-script:/user-script-name.user.js |
| 212 FilePath directory_path = context->user_script_dir_path(); | 212 FilePath directory_path = context->user_script_dir_path(); |
| 213 | 213 |
| 214 ExtensionResource resource(request->url().host(), directory_path, | 214 ExtensionResource resource(request->url().host(), directory_path, |
| 215 extension_file_util::ExtensionURLToRelativeFilePath(request->url())); | 215 extension_file_util::ExtensionURLToRelativeFilePath(request->url())); |
| 216 | 216 |
| 217 return new URLRequestFileJob(request, resource.GetFilePath()); | 217 return new URLRequestFileJob(request, resource.GetFilePath()); |
| 218 } | 218 } |
| 219 | 219 |
| 220 void RegisterExtensionProtocols() { | 220 void RegisterExtensionProtocols() { |
| 221 URLRequest::RegisterProtocolFactory(chrome::kExtensionScheme, | 221 net::URLRequest::RegisterProtocolFactory(chrome::kExtensionScheme, |
| 222 &CreateExtensionURLRequestJob); | 222 &CreateExtensionURLRequestJob); |
| 223 URLRequest::RegisterProtocolFactory(chrome::kUserScriptScheme, | 223 net::URLRequest::RegisterProtocolFactory(chrome::kUserScriptScheme, |
| 224 &CreateUserScriptURLRequestJob); | 224 &CreateUserScriptURLRequestJob); |
| 225 } | 225 } |
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