15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CHROME_BROWSER_INTRANET_REDIRECT_DETECTOR_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_BROWSER_INTRANET_REDIRECT_DETECTOR_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <set> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/weak_ptr.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_observer.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_registrar.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/network_change_notifier.h" 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "net/dns/host_resolver_proc.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/url_request/url_fetcher_delegate.h" 18eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "url/gurl.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class PrefRegistrySimple; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This object is responsible for determining whether the user is on a network 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// that redirects requests for intranet hostnames to another site, and if so, 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// tracking what that site is (including across restarts via a pref). For 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// example, the user's ISP might convert a request for "http://query/" into a 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 302 redirect to "http://isp.domain.com/search?q=query" in order to display 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// custom pages on typos, nonexistent sites, etc. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 294e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)// We use this information in the OmniboxNavigationObserver to avoid displaying 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// infobars for these cases. Our infobars are designed to allow users to get at 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// intranet sites when they were erroneously taken to a search result page. In 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// these cases, however, users would be shown a confusing and useless infobar 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// when they really did mean to do a search. 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Consumers should call RedirectOrigin(), which is guaranteed to synchronously 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// return a value at all times (even during startup or in unittest mode). If no 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// redirection is in place, the returned GURL will be empty. 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class IntranetRedirectDetector 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : public net::URLFetcherDelegate, 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public net::NetworkChangeNotifier::IPAddressObserver { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Only the main browser process loop should call this, when setting up 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // g_browser_process->intranet_redirect_detector_. No code other than the 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // IntranetRedirectDetector itself should actually use 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // g_browser_process->intranet_redirect_detector() (which shouldn't be hard, 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // since there aren't useful public functions on this object for consumers to 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // access anyway). 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IntranetRedirectDetector(); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~IntranetRedirectDetector(); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the current redirect origin. This will be empty if no redirection 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // is in place. 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static GURL RedirectOrigin(); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static void RegisterPrefs(PrefRegistrySimple* registry); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) typedef std::set<net::URLFetcher*> Fetchers; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called when the seven second startup sleep or the one second network 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // switch sleep has finished. Runs any pending fetch. 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void FinishSleep(); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // net::URLFetcherDelegate 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NetworkChangeNotifier::IPAddressObserver 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnIPAddressChanged() OVERRIDE; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL redirect_origin_; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Fetchers fetchers_; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<GURL> resulting_origins_; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool in_sleep_; // True if we're in the seven-second "no fetching" period 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that begins at browser start, or the one-second "no 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fetching" period that begins after network switches. 765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::WeakPtrFactory<IntranetRedirectDetector> weak_ptr_factory_; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(IntranetRedirectDetector); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_INTRANET_REDIRECT_DETECTOR_H_ 82