| 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 #ifndef CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_ | |
| 6 #define CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_ | |
| 7 | |
| 8 #include <list> | |
| 9 #include <map> | |
| 10 #include <set> | |
| 11 #include <string> | |
| 12 #include <vector> | |
| 13 | |
| 14 #include "base/memory/singleton.h" | |
| 15 #include "base/memory/weak_ptr.h" | |
| 16 #include "base/time/time.h" | |
| 17 #include "content/public/common/resource_type.h" | |
| 18 #include "extensions/browser/api/declarative/rules_registry.h" | |
| 19 #include "extensions/browser/api/declarative_webrequest/request_stage.h" | |
| 20 #include "extensions/browser/api/web_request/web_request_api_helpers.h" | |
| 21 #include "extensions/browser/api/web_request/web_request_permissions.h" | |
| 22 #include "extensions/browser/browser_context_keyed_api_factory.h" | |
| 23 #include "extensions/browser/event_router.h" | |
| 24 #include "extensions/browser/extension_function.h" | |
| 25 #include "extensions/common/url_pattern_set.h" | |
| 26 #include "ipc/ipc_sender.h" | |
| 27 #include "net/base/completion_callback.h" | |
| 28 #include "net/base/network_delegate.h" | |
| 29 #include "net/http/http_request_headers.h" | |
| 30 | |
| 31 class ExtensionWebRequestTimeTracker; | |
| 32 class GURL; | |
| 33 | |
| 34 namespace base { | |
| 35 class DictionaryValue; | |
| 36 class ListValue; | |
| 37 class StringValue; | |
| 38 } | |
| 39 | |
| 40 namespace content { | |
| 41 class BrowserContext; | |
| 42 } | |
| 43 | |
| 44 namespace net { | |
| 45 class AuthCredentials; | |
| 46 class AuthChallengeInfo; | |
| 47 class HttpRequestHeaders; | |
| 48 class HttpResponseHeaders; | |
| 49 class URLRequest; | |
| 50 } | |
| 51 | |
| 52 namespace extensions { | |
| 53 | |
| 54 class InfoMap; | |
| 55 class WebRequestRulesRegistry; | |
| 56 class WebRequestEventRouterDelegate; | |
| 57 | |
| 58 // Support class for the WebRequest API. Lives on the UI thread. Most of the | |
| 59 // work is done by ExtensionWebRequestEventRouter below. This class observes | |
| 60 // extensions::EventRouter to deal with event listeners. There is one instance | |
| 61 // per BrowserContext which is shared with incognito. | |
| 62 class WebRequestAPI : public BrowserContextKeyedAPI, | |
| 63 public EventRouter::Observer { | |
| 64 public: | |
| 65 explicit WebRequestAPI(content::BrowserContext* context); | |
| 66 virtual ~WebRequestAPI(); | |
| 67 | |
| 68 // BrowserContextKeyedAPI support: | |
| 69 static BrowserContextKeyedAPIFactory<WebRequestAPI>* GetFactoryInstance(); | |
| 70 | |
| 71 // EventRouter::Observer overrides: | |
| 72 virtual void OnListenerRemoved(const EventListenerInfo& details) OVERRIDE; | |
| 73 | |
| 74 private: | |
| 75 friend class BrowserContextKeyedAPIFactory<WebRequestAPI>; | |
| 76 | |
| 77 // BrowserContextKeyedAPI support: | |
| 78 static const char* service_name() { return "WebRequestAPI"; } | |
| 79 static const bool kServiceRedirectedInIncognito = true; | |
| 80 static const bool kServiceIsNULLWhileTesting = true; | |
| 81 | |
| 82 content::BrowserContext* browser_context_; | |
| 83 | |
| 84 DISALLOW_COPY_AND_ASSIGN(WebRequestAPI); | |
| 85 }; | |
| 86 | |
| 87 } // namespace extensions | |
| 88 | |
| 89 // This class observes network events and routes them to the appropriate | |
| 90 // extensions listening to those events. All methods must be called on the IO | |
| 91 // thread unless otherwise specified. | |
| 92 class ExtensionWebRequestEventRouter | |
| 93 : public base::SupportsWeakPtr<ExtensionWebRequestEventRouter> { | |
| 94 public: | |
| 95 struct BlockedRequest; | |
| 96 | |
| 97 enum EventTypes { | |
| 98 kInvalidEvent = 0, | |
| 99 kOnBeforeRequest = 1 << 0, | |
| 100 kOnBeforeSendHeaders = 1 << 1, | |
| 101 kOnSendHeaders = 1 << 2, | |
| 102 kOnHeadersReceived = 1 << 3, | |
| 103 kOnBeforeRedirect = 1 << 4, | |
| 104 kOnAuthRequired = 1 << 5, | |
| 105 kOnResponseStarted = 1 << 6, | |
| 106 kOnErrorOccurred = 1 << 7, | |
| 107 kOnCompleted = 1 << 8, | |
| 108 }; | |
| 109 | |
| 110 // Internal representation of the webRequest.RequestFilter type, used to | |
| 111 // filter what network events an extension cares about. | |
| 112 struct RequestFilter { | |
| 113 RequestFilter(); | |
| 114 ~RequestFilter(); | |
| 115 | |
| 116 // Returns false if there was an error initializing. If it is a user error, | |
| 117 // an error message is provided, otherwise the error is internal (and | |
| 118 // unexpected). | |
| 119 bool InitFromValue(const base::DictionaryValue& value, std::string* error); | |
| 120 | |
| 121 extensions::URLPatternSet urls; | |
| 122 std::vector<content::ResourceType> types; | |
| 123 int tab_id; | |
| 124 int window_id; | |
| 125 }; | |
| 126 | |
| 127 // Internal representation of the extraInfoSpec parameter on webRequest | |
| 128 // events, used to specify extra information to be included with network | |
| 129 // events. | |
| 130 struct ExtraInfoSpec { | |
| 131 enum Flags { | |
| 132 REQUEST_HEADERS = 1<<0, | |
| 133 RESPONSE_HEADERS = 1<<1, | |
| 134 BLOCKING = 1<<2, | |
| 135 ASYNC_BLOCKING = 1<<3, | |
| 136 REQUEST_BODY = 1<<4, | |
| 137 }; | |
| 138 | |
| 139 static bool InitFromValue(const base::ListValue& value, | |
| 140 int* extra_info_spec); | |
| 141 }; | |
| 142 | |
| 143 // Contains an extension's response to a blocking event. | |
| 144 struct EventResponse { | |
| 145 EventResponse(const std::string& extension_id, | |
| 146 const base::Time& extension_install_time); | |
| 147 ~EventResponse(); | |
| 148 | |
| 149 // ID of the extension that sent this response. | |
| 150 std::string extension_id; | |
| 151 | |
| 152 // The time that the extension was installed. Used for deciding order of | |
| 153 // precedence in case multiple extensions respond with conflicting | |
| 154 // decisions. | |
| 155 base::Time extension_install_time; | |
| 156 | |
| 157 // Response values. These are mutually exclusive. | |
| 158 bool cancel; | |
| 159 GURL new_url; | |
| 160 scoped_ptr<net::HttpRequestHeaders> request_headers; | |
| 161 scoped_ptr<extension_web_request_api_helpers::ResponseHeaders> | |
| 162 response_headers; | |
| 163 | |
| 164 scoped_ptr<net::AuthCredentials> auth_credentials; | |
| 165 | |
| 166 DISALLOW_COPY_AND_ASSIGN(EventResponse); | |
| 167 }; | |
| 168 | |
| 169 static ExtensionWebRequestEventRouter* GetInstance(); | |
| 170 | |
| 171 // Registers a rule registry. Pass null for |rules_registry| to unregister | |
| 172 // the rule registry for |browser_context|. | |
| 173 void RegisterRulesRegistry( | |
| 174 void* browser_context, | |
| 175 const extensions::RulesRegistry::WebViewKey& webview_key, | |
| 176 scoped_refptr<extensions::WebRequestRulesRegistry> rules_registry); | |
| 177 | |
| 178 // Dispatches the OnBeforeRequest event to any extensions whose filters match | |
| 179 // the given request. Returns net::ERR_IO_PENDING if an extension is | |
| 180 // intercepting the request, OK otherwise. | |
| 181 int OnBeforeRequest(void* browser_context, | |
| 182 extensions::InfoMap* extension_info_map, | |
| 183 net::URLRequest* request, | |
| 184 const net::CompletionCallback& callback, | |
| 185 GURL* new_url); | |
| 186 | |
| 187 // Dispatches the onBeforeSendHeaders event. This is fired for HTTP(s) | |
| 188 // requests only, and allows modification of the outgoing request headers. | |
| 189 // Returns net::ERR_IO_PENDING if an extension is intercepting the request, OK | |
| 190 // otherwise. | |
| 191 int OnBeforeSendHeaders(void* browser_context, | |
| 192 extensions::InfoMap* extension_info_map, | |
| 193 net::URLRequest* request, | |
| 194 const net::CompletionCallback& callback, | |
| 195 net::HttpRequestHeaders* headers); | |
| 196 | |
| 197 // Dispatches the onSendHeaders event. This is fired for HTTP(s) requests | |
| 198 // only. | |
| 199 void OnSendHeaders(void* browser_context, | |
| 200 extensions::InfoMap* extension_info_map, | |
| 201 net::URLRequest* request, | |
| 202 const net::HttpRequestHeaders& headers); | |
| 203 | |
| 204 // Dispatches the onHeadersReceived event. This is fired for HTTP(s) | |
| 205 // requests only, and allows modification of incoming response headers. | |
| 206 // Returns net::ERR_IO_PENDING if an extension is intercepting the request, | |
| 207 // OK otherwise. |original_response_headers| is reference counted. |callback| | |
| 208 // |override_response_headers| and |allowed_unsafe_redirect_url| are owned by | |
| 209 // a URLRequestJob. They are guaranteed to be valid until |callback| is called | |
| 210 // or OnURLRequestDestroyed is called (whatever comes first). | |
| 211 // Do not modify |original_response_headers| directly but write new ones | |
| 212 // into |override_response_headers|. | |
| 213 int OnHeadersReceived( | |
| 214 void* browser_context, | |
| 215 extensions::InfoMap* extension_info_map, | |
| 216 net::URLRequest* request, | |
| 217 const net::CompletionCallback& callback, | |
| 218 const net::HttpResponseHeaders* original_response_headers, | |
| 219 scoped_refptr<net::HttpResponseHeaders>* override_response_headers, | |
| 220 GURL* allowed_unsafe_redirect_url); | |
| 221 | |
| 222 // Dispatches the OnAuthRequired event to any extensions whose filters match | |
| 223 // the given request. If the listener is not registered as "blocking", then | |
| 224 // AUTH_REQUIRED_RESPONSE_OK is returned. Otherwise, | |
| 225 // AUTH_REQUIRED_RESPONSE_IO_PENDING is returned and |callback| will be | |
| 226 // invoked later. | |
| 227 net::NetworkDelegate::AuthRequiredResponse OnAuthRequired( | |
| 228 void* browser_context, | |
| 229 extensions::InfoMap* extension_info_map, | |
| 230 net::URLRequest* request, | |
| 231 const net::AuthChallengeInfo& auth_info, | |
| 232 const net::NetworkDelegate::AuthCallback& callback, | |
| 233 net::AuthCredentials* credentials); | |
| 234 | |
| 235 // Dispatches the onBeforeRedirect event. This is fired for HTTP(s) requests | |
| 236 // only. | |
| 237 void OnBeforeRedirect(void* browser_context, | |
| 238 extensions::InfoMap* extension_info_map, | |
| 239 net::URLRequest* request, | |
| 240 const GURL& new_location); | |
| 241 | |
| 242 // Dispatches the onResponseStarted event indicating that the first bytes of | |
| 243 // the response have arrived. | |
| 244 void OnResponseStarted(void* browser_context, | |
| 245 extensions::InfoMap* extension_info_map, | |
| 246 net::URLRequest* request); | |
| 247 | |
| 248 // Dispatches the onComplete event. | |
| 249 void OnCompleted(void* browser_context, | |
| 250 extensions::InfoMap* extension_info_map, | |
| 251 net::URLRequest* request); | |
| 252 | |
| 253 // Dispatches an onErrorOccurred event. | |
| 254 void OnErrorOccurred(void* browser_context, | |
| 255 extensions::InfoMap* extension_info_map, | |
| 256 net::URLRequest* request, | |
| 257 bool started); | |
| 258 | |
| 259 // Notifications when objects are going away. | |
| 260 void OnURLRequestDestroyed(void* browser_context, net::URLRequest* request); | |
| 261 | |
| 262 // Called when an event listener handles a blocking event and responds. | |
| 263 void OnEventHandled( | |
| 264 void* browser_context, | |
| 265 const std::string& extension_id, | |
| 266 const std::string& event_name, | |
| 267 const std::string& sub_event_name, | |
| 268 uint64 request_id, | |
| 269 EventResponse* response); | |
| 270 | |
| 271 // Adds a listener to the given event. |event_name| specifies the event being | |
| 272 // listened to. |sub_event_name| is an internal event uniquely generated in | |
| 273 // the extension process to correspond to the given filter and | |
| 274 // extra_info_spec. It returns true on success, false on failure. | |
| 275 bool AddEventListener( | |
| 276 void* browser_context, | |
| 277 const std::string& extension_id, | |
| 278 const std::string& extension_name, | |
| 279 const std::string& event_name, | |
| 280 const std::string& sub_event_name, | |
| 281 const RequestFilter& filter, | |
| 282 int extra_info_spec, | |
| 283 int embedder_process_id, | |
| 284 int web_view_instance_id, | |
| 285 base::WeakPtr<IPC::Sender> ipc_sender); | |
| 286 | |
| 287 // Removes the listener for the given sub-event. | |
| 288 void RemoveEventListener( | |
| 289 void* browser_context, | |
| 290 const std::string& extension_id, | |
| 291 const std::string& sub_event_name); | |
| 292 | |
| 293 // Removes the listeners for a given <webview>. | |
| 294 void RemoveWebViewEventListeners( | |
| 295 void* browser_context, | |
| 296 const std::string& extension_id, | |
| 297 int embedder_process_id, | |
| 298 int web_view_instance_id); | |
| 299 | |
| 300 // Called when an incognito browser_context is created or destroyed. | |
| 301 void OnOTRBrowserContextCreated(void* original_browser_context, | |
| 302 void* otr_browser_context); | |
| 303 void OnOTRBrowserContextDestroyed(void* original_browser_context, | |
| 304 void* otr_browser_context); | |
| 305 | |
| 306 // Registers a |callback| that is executed when the next page load happens. | |
| 307 // The callback is then deleted. | |
| 308 void AddCallbackForPageLoad(const base::Closure& callback); | |
| 309 | |
| 310 private: | |
| 311 friend struct DefaultSingletonTraits<ExtensionWebRequestEventRouter>; | |
| 312 | |
| 313 struct EventListener; | |
| 314 typedef std::map<std::string, std::set<EventListener> > | |
| 315 ListenerMapForBrowserContext; | |
| 316 typedef std::map<void*, ListenerMapForBrowserContext> ListenerMap; | |
| 317 typedef std::map<uint64, BlockedRequest> BlockedRequestMap; | |
| 318 // Map of request_id -> bit vector of EventTypes already signaled | |
| 319 typedef std::map<uint64, int> SignaledRequestMap; | |
| 320 // For each browser_context: a bool indicating whether it is an incognito | |
| 321 // browser_context, and a pointer to the corresponding (non-)incognito | |
| 322 // browser_context. | |
| 323 typedef std::map<void*, std::pair<bool, void*> > CrossBrowserContextMap; | |
| 324 typedef std::list<base::Closure> CallbacksForPageLoad; | |
| 325 | |
| 326 ExtensionWebRequestEventRouter(); | |
| 327 ~ExtensionWebRequestEventRouter(); | |
| 328 | |
| 329 // Ensures that future callbacks for |request| are ignored so that it can be | |
| 330 // destroyed safely. | |
| 331 void ClearPendingCallbacks(net::URLRequest* request); | |
| 332 | |
| 333 bool DispatchEvent( | |
| 334 void* browser_context, | |
| 335 net::URLRequest* request, | |
| 336 const std::vector<const EventListener*>& listeners, | |
| 337 const base::ListValue& args); | |
| 338 | |
| 339 // Returns a list of event listeners that care about the given event, based | |
| 340 // on their filter parameters. |extra_info_spec| will contain the combined | |
| 341 // set of extra_info_spec flags that every matching listener asked for. | |
| 342 std::vector<const EventListener*> GetMatchingListeners( | |
| 343 void* browser_context, | |
| 344 extensions::InfoMap* extension_info_map, | |
| 345 const std::string& event_name, | |
| 346 net::URLRequest* request, | |
| 347 int* extra_info_spec); | |
| 348 | |
| 349 // Helper for the above functions. This is called twice: once for the | |
| 350 // browser_context of the event, the next time for the "cross" browser_context | |
| 351 // (i.e. the incognito browser_context if the event is originally for the | |
| 352 // normal browser_context, or vice versa). | |
| 353 void GetMatchingListenersImpl( | |
| 354 void* browser_context, | |
| 355 net::URLRequest* request, | |
| 356 extensions::InfoMap* extension_info_map, | |
| 357 bool crosses_incognito, | |
| 358 const std::string& event_name, | |
| 359 const GURL& url, | |
| 360 int render_process_host_id, | |
| 361 int routing_id, | |
| 362 content::ResourceType resource_type, | |
| 363 bool is_async_request, | |
| 364 bool is_request_from_extension, | |
| 365 int* extra_info_spec, | |
| 366 std::vector<const ExtensionWebRequestEventRouter::EventListener*>* | |
| 367 matching_listeners); | |
| 368 | |
| 369 // Decrements the count of event handlers blocking the given request. When the | |
| 370 // count reaches 0, we stop blocking the request and proceed it using the | |
| 371 // method requested by the extension with the highest precedence. Precedence | |
| 372 // is decided by extension install time. If |response| is non-NULL, this | |
| 373 // method assumes ownership. | |
| 374 void DecrementBlockCount( | |
| 375 void* browser_context, | |
| 376 const std::string& extension_id, | |
| 377 const std::string& event_name, | |
| 378 uint64 request_id, | |
| 379 EventResponse* response); | |
| 380 | |
| 381 // Logs an extension action. | |
| 382 void LogExtensionActivity( | |
| 383 void* browser_context_id, | |
| 384 bool is_incognito, | |
| 385 const std::string& extension_id, | |
| 386 const GURL& url, | |
| 387 const std::string& api_call, | |
| 388 scoped_ptr<base::DictionaryValue> details); | |
| 389 | |
| 390 // Processes the generated deltas from blocked_requests_ on the specified | |
| 391 // request. If |call_back| is true, the callback registered in | |
| 392 // |blocked_requests_| is called. | |
| 393 // The function returns the error code for the network request. This is | |
| 394 // mostly relevant in case the caller passes |call_callback| = false | |
| 395 // and wants to return the correct network error code himself. | |
| 396 int ExecuteDeltas( | |
| 397 void* browser_context, uint64 request_id, bool call_callback); | |
| 398 | |
| 399 // Evaluates the rules of the declarative webrequest API and stores | |
| 400 // modifications to the request that result from WebRequestActions as | |
| 401 // deltas in |blocked_requests_|. |original_response_headers| should only be | |
| 402 // set for the OnHeadersReceived stage and NULL otherwise. Returns whether any | |
| 403 // deltas were generated. | |
| 404 bool ProcessDeclarativeRules( | |
| 405 void* browser_context, | |
| 406 extensions::InfoMap* extension_info_map, | |
| 407 const std::string& event_name, | |
| 408 net::URLRequest* request, | |
| 409 extensions::RequestStage request_stage, | |
| 410 const net::HttpResponseHeaders* original_response_headers); | |
| 411 | |
| 412 // If the BlockedRequest contains messages_to_extension entries in the event | |
| 413 // deltas, we send them to subscribers of | |
| 414 // chrome.declarativeWebRequest.onMessage. | |
| 415 void SendMessages( | |
| 416 void* browser_context, const BlockedRequest& blocked_request); | |
| 417 | |
| 418 // Called when the RulesRegistry is ready to unblock a request that was | |
| 419 // waiting for said event. | |
| 420 void OnRulesRegistryReady( | |
| 421 void* browser_context, | |
| 422 const std::string& event_name, | |
| 423 uint64 request_id, | |
| 424 extensions::RequestStage request_stage); | |
| 425 | |
| 426 // Extracts from |request| information for the keys requestId, url, method, | |
| 427 // frameId, tabId, type, and timeStamp and writes these into |out| to be | |
| 428 // passed on to extensions. | |
| 429 void ExtractRequestInfo(net::URLRequest* request, base::DictionaryValue* out); | |
| 430 | |
| 431 // Sets the flag that |event_type| has been signaled for |request_id|. | |
| 432 // Returns the value of the flag before setting it. | |
| 433 bool GetAndSetSignaled(uint64 request_id, EventTypes event_type); | |
| 434 | |
| 435 // Clears the flag that |event_type| has been signaled for |request_id|. | |
| 436 void ClearSignaled(uint64 request_id, EventTypes event_type); | |
| 437 | |
| 438 // Returns whether |request| represents a top level window navigation. | |
| 439 bool IsPageLoad(net::URLRequest* request) const; | |
| 440 | |
| 441 // Called on a page load to process all registered callbacks. | |
| 442 void NotifyPageLoad(); | |
| 443 | |
| 444 // Returns the matching cross browser_context (the regular browser_context if | |
| 445 // |browser_context| is OTR and vice versa). | |
| 446 void* GetCrossBrowserContext(void* browser_context) const; | |
| 447 | |
| 448 // Determines whether the specified browser_context is an incognito | |
| 449 // browser_context (based on the contents of the cross-browser_context table | |
| 450 // and without dereferencing the browser_context pointer). | |
| 451 bool IsIncognitoBrowserContext(void* browser_context) const; | |
| 452 | |
| 453 // Returns true if |request| was already signaled to some event handlers. | |
| 454 bool WasSignaled(const net::URLRequest& request) const; | |
| 455 | |
| 456 // A map for each browser_context that maps an event name to a set of | |
| 457 // extensions that are listening to that event. | |
| 458 ListenerMap listeners_; | |
| 459 | |
| 460 // A map of network requests that are waiting for at least one event handler | |
| 461 // to respond. | |
| 462 BlockedRequestMap blocked_requests_; | |
| 463 | |
| 464 // A map of request ids to a bitvector indicating which events have been | |
| 465 // signaled and should not be sent again. | |
| 466 SignaledRequestMap signaled_requests_; | |
| 467 | |
| 468 // A map of original browser_context -> corresponding incognito | |
| 469 // browser_context (and vice versa). | |
| 470 CrossBrowserContextMap cross_browser_context_map_; | |
| 471 | |
| 472 // Keeps track of time spent waiting on extensions using the blocking | |
| 473 // webRequest API. | |
| 474 scoped_ptr<ExtensionWebRequestTimeTracker> request_time_tracker_; | |
| 475 | |
| 476 CallbacksForPageLoad callbacks_for_page_load_; | |
| 477 | |
| 478 typedef std::pair<void*, extensions::RulesRegistry::WebViewKey> | |
| 479 RulesRegistryKey; | |
| 480 // Maps each browser_context (and OTRBrowserContext) and a webview key to its | |
| 481 // respective rules registry. | |
| 482 std::map<RulesRegistryKey, | |
| 483 scoped_refptr<extensions::WebRequestRulesRegistry> > rules_registries_; | |
| 484 | |
| 485 scoped_ptr<extensions::WebRequestEventRouterDelegate> | |
| 486 web_request_event_router_delegate_; | |
| 487 | |
| 488 DISALLOW_COPY_AND_ASSIGN(ExtensionWebRequestEventRouter); | |
| 489 }; | |
| 490 | |
| 491 class WebRequestInternalAddEventListenerFunction | |
| 492 : public SyncIOThreadExtensionFunction { | |
| 493 public: | |
| 494 DECLARE_EXTENSION_FUNCTION("webRequestInternal.addEventListener", | |
| 495 WEBREQUESTINTERNAL_ADDEVENTLISTENER) | |
| 496 | |
| 497 protected: | |
| 498 virtual ~WebRequestInternalAddEventListenerFunction() {} | |
| 499 | |
| 500 // ExtensionFunction: | |
| 501 virtual bool RunSync() OVERRIDE; | |
| 502 }; | |
| 503 | |
| 504 class WebRequestInternalEventHandledFunction | |
| 505 : public SyncIOThreadExtensionFunction { | |
| 506 public: | |
| 507 DECLARE_EXTENSION_FUNCTION("webRequestInternal.eventHandled", | |
| 508 WEBREQUESTINTERNAL_EVENTHANDLED) | |
| 509 | |
| 510 protected: | |
| 511 virtual ~WebRequestInternalEventHandledFunction() {} | |
| 512 | |
| 513 // Unblocks the network request and sets |error_| such that the developer | |
| 514 // console will show the respective error message. Use this function to handle | |
| 515 // incorrect requests from the extension that cannot be detected by the schema | |
| 516 // validator. | |
| 517 void RespondWithError( | |
| 518 const std::string& event_name, | |
| 519 const std::string& sub_event_name, | |
| 520 uint64 request_id, | |
| 521 scoped_ptr<ExtensionWebRequestEventRouter::EventResponse> response, | |
| 522 const std::string& error); | |
| 523 | |
| 524 // ExtensionFunction: | |
| 525 virtual bool RunSync() OVERRIDE; | |
| 526 }; | |
| 527 | |
| 528 class WebRequestHandlerBehaviorChangedFunction | |
| 529 : public SyncIOThreadExtensionFunction { | |
| 530 public: | |
| 531 DECLARE_EXTENSION_FUNCTION("webRequest.handlerBehaviorChanged", | |
| 532 WEBREQUEST_HANDLERBEHAVIORCHANGED) | |
| 533 | |
| 534 protected: | |
| 535 virtual ~WebRequestHandlerBehaviorChangedFunction() {} | |
| 536 | |
| 537 // ExtensionFunction: | |
| 538 virtual void GetQuotaLimitHeuristics( | |
| 539 extensions::QuotaLimitHeuristics* heuristics) const OVERRIDE; | |
| 540 // Handle quota exceeded gracefully: Only warn the user but still execute the | |
| 541 // function. | |
| 542 virtual void OnQuotaExceeded(const std::string& error) OVERRIDE; | |
| 543 virtual bool RunSync() OVERRIDE; | |
| 544 }; | |
| 545 | |
| 546 #endif // CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 584163004:
Move web_request directory to //extensions. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master