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Side by Side Diff: chrome/browser/intranet_redirect_detector.h

Issue 6292017: Extended: Add "system" URLRequestContext (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Addressed comments Created 9 years, 9 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_INTRANET_REDIRECT_DETECTOR_H_ 5 #ifndef CHROME_BROWSER_INTRANET_REDIRECT_DETECTOR_H_
6 #define CHROME_BROWSER_INTRANET_REDIRECT_DETECTOR_H_ 6 #define CHROME_BROWSER_INTRANET_REDIRECT_DETECTOR_H_
7 #pragma once 7 #pragma once
8 8
9 #include <set> 9 #include <set>
10 #include <string> 10 #include <string>
(...skipping 19 matching lines...) Expand all
30 // infobars for these cases. Our infobars are designed to allow users to get at 30 // infobars for these cases. Our infobars are designed to allow users to get at
31 // intranet sites when they were erroneously taken to a search result page. In 31 // intranet sites when they were erroneously taken to a search result page. In
32 // these cases, however, users would be shown a confusing and useless infobar 32 // these cases, however, users would be shown a confusing and useless infobar
33 // when they really did mean to do a search. 33 // when they really did mean to do a search.
34 // 34 //
35 // Consumers should call RedirectOrigin(), which is guaranteed to synchronously 35 // Consumers should call RedirectOrigin(), which is guaranteed to synchronously
36 // return a value at all times (even during startup or in unittest mode). If no 36 // return a value at all times (even during startup or in unittest mode). If no
37 // redirection is in place, the returned GURL will be empty. 37 // redirection is in place, the returned GURL will be empty.
38 class IntranetRedirectDetector 38 class IntranetRedirectDetector
39 : public URLFetcher::Delegate, 39 : public URLFetcher::Delegate,
40 public NotificationObserver,
41 public net::NetworkChangeNotifier::IPAddressObserver { 40 public net::NetworkChangeNotifier::IPAddressObserver {
42 public: 41 public:
43 // Only the main browser process loop should call this, when setting up 42 // Only the main browser process loop should call this, when setting up
44 // g_browser_process->intranet_redirect_detector_. No code other than the 43 // g_browser_process->intranet_redirect_detector_. No code other than the
45 // IntranetRedirectDetector itself should actually use 44 // IntranetRedirectDetector itself should actually use
46 // g_browser_process->intranet_redirect_detector() (which shouldn't be hard, 45 // g_browser_process->intranet_redirect_detector() (which shouldn't be hard,
47 // since there aren't useful public functions on this object for consumers to 46 // since there aren't useful public functions on this object for consumers to
48 // access anyway). 47 // access anyway).
49 IntranetRedirectDetector(); 48 IntranetRedirectDetector();
50 ~IntranetRedirectDetector(); 49 ~IntranetRedirectDetector();
51 50
52 // Returns the current redirect origin. This will be empty if no redirection 51 // Returns the current redirect origin. This will be empty if no redirection
53 // is in place. 52 // is in place.
54 static GURL RedirectOrigin(); 53 static GURL RedirectOrigin();
55 54
56 static void RegisterPrefs(PrefService* prefs); 55 static void RegisterPrefs(PrefService* prefs);
57 56
58 // The number of characters the fetcher will use for its randomly-generated 57 // The number of characters the fetcher will use for its randomly-generated
59 // hostnames. 58 // hostnames.
60 static const size_t kNumCharsInHostnames; 59 static const size_t kNumCharsInHostnames;
61 60
62 private: 61 private:
63 typedef std::set<URLFetcher*> Fetchers; 62 typedef std::set<URLFetcher*> Fetchers;
64 63
65 // Called when the seven second startup sleep or the one second network 64 // Called when the seven second startup sleep or the one second network
66 // switch sleep has finished. Runs any pending fetch. 65 // switch sleep has finished. Runs any pending fetch.
67 void FinishSleep(); 66 void FinishSleep();
68 67
69 // Starts the fetches to determine the redirect URL if we can currently do so.
70 void StartFetchesIfPossible();
71
72 // URLFetcher::Delegate 68 // URLFetcher::Delegate
73 virtual void OnURLFetchComplete(const URLFetcher* source, 69 virtual void OnURLFetchComplete(const URLFetcher* source,
74 const GURL& url, 70 const GURL& url,
75 const net::URLRequestStatus& status, 71 const net::URLRequestStatus& status,
76 int response_code, 72 int response_code,
77 const ResponseCookies& cookies, 73 const ResponseCookies& cookies,
78 const std::string& data); 74 const std::string& data);
79 75
80 // NotificationObserver
81 virtual void Observe(NotificationType type,
82 const NotificationSource& source,
83 const NotificationDetails& details);
84
85 // NetworkChangeNotifier::IPAddressObserver 76 // NetworkChangeNotifier::IPAddressObserver
86 virtual void OnIPAddressChanged(); 77 virtual void OnIPAddressChanged();
87 78
88 NotificationRegistrar registrar_;
89 GURL redirect_origin_; 79 GURL redirect_origin_;
90 ScopedRunnableMethodFactory<IntranetRedirectDetector> fetcher_factory_; 80 ScopedRunnableMethodFactory<IntranetRedirectDetector> fetcher_factory_;
91 Fetchers fetchers_; 81 Fetchers fetchers_;
92 std::vector<GURL> resulting_origins_; 82 std::vector<GURL> resulting_origins_;
93 bool in_sleep_; // True if we're in the seven-second "no fetching" period 83 bool in_sleep_; // True if we're in the seven-second "no fetching" period
94 // that begins at browser start, or the one-second "no 84 // that begins at browser start, or the one-second "no
95 // fetching" period that begins after network switches. 85 // fetching" period that begins after network switches.
96 bool request_context_available_;
97 // True when the profile has been loaded and the
98 // default request context created, so we can
99 // actually do the fetch with the right data.
100 86
101 DISALLOW_COPY_AND_ASSIGN(IntranetRedirectDetector); 87 DISALLOW_COPY_AND_ASSIGN(IntranetRedirectDetector);
102 }; 88 };
103 89
104 // This is for use in testing, where we don't want our fetches to actually go 90 // This is for use in testing, where we don't want our fetches to actually go
105 // over the network. It captures the requests and causes them to fail. 91 // over the network. It captures the requests and causes them to fail.
106 class IntranetRedirectHostResolverProc : public net::HostResolverProc { 92 class IntranetRedirectHostResolverProc : public net::HostResolverProc {
107 public: 93 public:
108 explicit IntranetRedirectHostResolverProc(net::HostResolverProc* previous); 94 explicit IntranetRedirectHostResolverProc(net::HostResolverProc* previous);
109 95
110 virtual int Resolve(const std::string& host, 96 virtual int Resolve(const std::string& host,
111 net::AddressFamily address_family, 97 net::AddressFamily address_family,
112 net::HostResolverFlags host_resolver_flags, 98 net::HostResolverFlags host_resolver_flags,
113 net::AddressList* addrlist, 99 net::AddressList* addrlist,
114 int* os_error); 100 int* os_error);
115 }; 101 };
116 102
117 #endif // CHROME_BROWSER_INTRANET_REDIRECT_DETECTOR_H_ 103 #endif // CHROME_BROWSER_INTRANET_REDIRECT_DETECTOR_H_
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