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)#include "chrome/browser/captive_portal/captive_portal_service.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind_helpers.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 109ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "base/message_loop/message_loop.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/metrics/histogram.h" 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/prefs/pref_service.h" 137dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "chrome/browser/chrome_notification_types.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/profiles/profile.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/pref_names.h" 165c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "components/captive_portal/captive_portal_types.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_service.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_MACOSX) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/mac/mac_util.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/win/windows_version.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuusing captive_portal::CaptivePortalResult; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 31effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch// Make sure this enum is in sync with CaptivePortalDetectionResult enum 32effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch// in histograms.xml. This enum is append-only, don't modify existing values. 33effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochenum CaptivePortalDetectionResult { 34effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // There's a confirmed connection to the Internet. 35effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_INTERNET_CONNECTED, 36effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // Received a network or HTTP error, or a non-HTTP response. 37effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_NO_RESPONSE, 38effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // Encountered a captive portal with a non-HTTPS landing URL. 39effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_BEHIND_CAPTIVE_PORTAL, 40effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // Received a network or HTTP error with an HTTPS landing URL. 41effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_NO_RESPONSE_HTTPS_LANDING_URL, 42effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // Encountered a captive portal with an HTTPS landing URL. 43effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_BEHIND_CAPTIVE_PORTAL_HTTPS_LANDING_URL, 44116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Received a network or HTTP error, or a non-HTTP response with IP address. 45116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DETECTION_RESULT_NO_RESPONSE_IP_ADDRESS, 46116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Encountered a captive portal with a non-HTTPS, IP address landing URL. 47116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DETECTION_RESULT_BEHIND_CAPTIVE_PORTAL_IP_ADDRESS, 48116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Received a network or HTTP error with an HTTPS, IP address landing URL. 49116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DETECTION_RESULT_NO_RESPONSE_HTTPS_LANDING_URL_IP_ADDRESS, 50116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Encountered a captive portal with an HTTPS, IP address landing URL. 51116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DETECTION_RESULT_BEHIND_CAPTIVE_PORTAL_HTTPS_LANDING_URL_IP_ADDRESS, 52effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_COUNT 53effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch}; 54effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Records histograms relating to how often captive portal detection attempts 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ended with |result| in a row, and for how long |result| was the last result 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// of a detection attempt. Recorded both on quit and on a new Result. 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// |repeat_count| may be 0 if there were no captive portal checks during 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// a session. 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// |result_duration| is the time between when a captive portal check first 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// returned |result| and when a check returned a different result, or when the 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// CaptivePortalService was shut down. 655c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuvoid RecordRepeatHistograms(CaptivePortalResult result, 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int repeat_count, 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta result_duration) { 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Histogram macros can't be used with variable names, since they cache 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pointers, so have to use the histogram functions directly. 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Record number of times the last result was received in a row. 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::HistogramBase* result_repeated_histogram = 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Histogram::FactoryGet( 745c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu "CaptivePortal.ResultRepeated." + CaptivePortalResultToString(result), 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1, // min 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 100, // max 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 100, // bucket_count 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Histogram::kUmaTargetedHistogramFlag); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result_repeated_histogram->Add(repeat_count); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (repeat_count == 0) 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Time between first request that returned |result| and now. 852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::HistogramBase* result_duration_histogram = 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Histogram::FactoryTimeGet( 875c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu "CaptivePortal.ResultDuration." + CaptivePortalResultToString(result), 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta::FromSeconds(1), // min 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta::FromHours(1), // max 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 50, // bucket_count 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Histogram::kUmaTargetedHistogramFlag); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result_duration_histogram->AddTime(result_duration); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochint GetHistogramEntryForDetectionResult( 965c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu const captive_portal::CaptivePortalDetector::Results& results) { 97effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bool is_https = results.landing_url.SchemeIs("https"); 98116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch bool is_ip = results.landing_url.HostIsIPAddress(); 99effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch switch (results.result) { 1005c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu case captive_portal::RESULT_INTERNET_CONNECTED: 101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return DETECTION_RESULT_INTERNET_CONNECTED; 1025c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu case captive_portal::RESULT_NO_RESPONSE: 103116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (is_ip) { 104116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return is_https ? 105116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DETECTION_RESULT_NO_RESPONSE_HTTPS_LANDING_URL_IP_ADDRESS : 106116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DETECTION_RESULT_NO_RESPONSE_IP_ADDRESS; 107116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return is_https ? 109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_NO_RESPONSE_HTTPS_LANDING_URL : 110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_NO_RESPONSE; 1115c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu case captive_portal::RESULT_BEHIND_CAPTIVE_PORTAL: 112116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (is_ip) { 113116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return is_https ? 114116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DETECTION_RESULT_BEHIND_CAPTIVE_PORTAL_HTTPS_LANDING_URL_IP_ADDRESS : 115116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DETECTION_RESULT_BEHIND_CAPTIVE_PORTAL_IP_ADDRESS; 116116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return is_https ? 118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_BEHIND_CAPTIVE_PORTAL_HTTPS_LANDING_URL : 119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_BEHIND_CAPTIVE_PORTAL; 120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch default: 121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch NOTREACHED(); 122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return -1; 123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 126a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)bool ShouldDeferToNativeCaptivePortalDetection() { 127a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // On Windows 8, defer to the native captive portal detection. OSX Lion and 128a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // later also have captive portal detection, but experimentally, this code 129a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // works in cases its does not. 130a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // 131a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // TODO(mmenke): Investigate how well Windows 8's captive portal detection 132a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // works. 133a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#if defined(OS_WIN) 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return base::win::GetVersion() >= base::win::VERSION_WIN8; 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CaptivePortalService::TestingState CaptivePortalService::testing_state_ = 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOT_TESTING; 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class CaptivePortalService::RecheckBackoffEntry : public net::BackoffEntry { 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit RecheckBackoffEntry(CaptivePortalService* captive_portal_service) 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : net::BackoffEntry( 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &captive_portal_service->recheck_policy().backoff_policy), 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) captive_portal_service_(captive_portal_service) { 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual base::TimeTicks ImplGetTimeNow() const OVERRIDE { 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return captive_portal_service_->GetCurrentTimeTicks(); 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CaptivePortalService* captive_portal_service_; 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(RecheckBackoffEntry); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CaptivePortalService::RecheckPolicy::RecheckPolicy() 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : initial_backoff_no_portal_ms(600 * 1000), 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) initial_backoff_portal_ms(20 * 1000) { 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Receiving a new Result is considered a success. All subsequent requests 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that get the same Result are considered "failures", so a value of N 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // means exponential backoff starts after getting a result N + 2 times: 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // +1 for the initial success, and +1 because N failures are ignored. 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A value of 6 means to start backoff on the 7th failure, which is the 8th 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // time the same result is received. 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_policy.num_errors_to_ignore = 6; 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // It doesn't matter what this is initialized to. It will be overwritten 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // after the first captive portal detection request. 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_policy.initial_delay_ms = initial_backoff_no_portal_ms; 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_policy.multiply_factor = 2.0; 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_policy.jitter_factor = 0.3; 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_policy.maximum_backoff_ms = 2 * 60 * 1000; 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // -1 means the entry never expires. This doesn't really matter, as the 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // service never checks for its expiration. 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_policy.entry_lifetime_ms = -1; 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_policy.always_use_initial_delay = true; 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CaptivePortalService::CaptivePortalService(Profile* profile) 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : profile_(profile), 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_(STATE_IDLE), 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) captive_portal_detector_(profile->GetRequestContext()), 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enabled_(false), 1955c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu last_detection_result_(captive_portal::RESULT_INTERNET_CONNECTED), 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) num_checks_with_same_result_(0), 1975c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu test_url_(captive_portal::CaptivePortalDetector::kDefaultURL) { 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The order matters here: 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |resolve_errors_with_web_service_| must be initialized and |backoff_entry_| 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // created before the call to UpdateEnabledState. 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resolve_errors_with_web_service_.Init( 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) prefs::kAlternateErrorPagesEnabled, 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) profile_->GetPrefs(), 2042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Bind(&CaptivePortalService::UpdateEnabledState, 2052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(this))); 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ResetBackoffEntry(last_detection_result_); 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateEnabledState(); 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CaptivePortalService::~CaptivePortalService() { 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CaptivePortalService::DetectCaptivePortal() { 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(CalledOnValidThread()); 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a request is pending or running, do nothing. 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (state_ == STATE_CHECKING_FOR_PORTAL || state_ == STATE_TIMER_RUNNING) 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta time_until_next_check = backoff_entry_->GetTimeUntilRelease(); 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Start asynchronously. 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = STATE_TIMER_RUNNING; 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) check_captive_portal_timer_.Start( 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FROM_HERE, 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) time_until_next_check, 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) this, 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &CaptivePortalService::DetectCaptivePortalInternal); 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CaptivePortalService::DetectCaptivePortalInternal() { 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(CalledOnValidThread()); 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(state_ == STATE_TIMER_RUNNING || state_ == STATE_IDLE); 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!TimerRunning()); 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = STATE_CHECKING_FOR_PORTAL; 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When not enabled, just claim there's an Internet connection. 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!enabled_) { 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Count this as a success, so the backoff entry won't apply exponential 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // backoff, but will apply the standard delay. 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_entry_->InformOfRequest(true); 2445c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu OnResult(captive_portal::RESULT_INTERNET_CONNECTED); 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) captive_portal_detector_.DetectCaptivePortal( 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) test_url_, base::Bind( 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &CaptivePortalService::OnPortalDetectionCompleted, 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Unretained(this))); 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CaptivePortalService::OnPortalDetectionCompleted( 2555c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu const captive_portal::CaptivePortalDetector::Results& results) { 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(CalledOnValidThread()); 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(STATE_CHECKING_FOR_PORTAL, state_); 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!TimerRunning()); 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(enabled_); 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2615c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu CaptivePortalResult result = results.result; 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::TimeDelta& retry_after_delta = results.retry_after_delta; 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeTicks now = GetCurrentTimeTicks(); 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Record histograms. 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UMA_HISTOGRAM_ENUMERATION("CaptivePortal.DetectResult", 267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch GetHistogramEntryForDetectionResult(results), 268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DETECTION_RESULT_COUNT); 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If this isn't the first captive portal result, record stats. 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!last_check_time_.is_null()) { 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UMA_HISTOGRAM_LONG_TIMES("CaptivePortal.TimeBetweenChecks", 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) now - last_check_time_); 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_detection_result_ != result) { 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the last result was different from the result of the latest test, 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // record histograms about the previous period over which the result was 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the same. 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RecordRepeatHistograms(last_detection_result_, 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) num_checks_with_same_result_, 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) now - first_check_time_with_same_result_); 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_check_time_.is_null() || result != last_detection_result_) { 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) first_check_time_with_same_result_ = now; 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) num_checks_with_same_result_ = 1; 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Reset the backoff entry both to update the default time and clear 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // previous failures. 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ResetBackoffEntry(result); 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_entry_->SetCustomReleaseTime(now + retry_after_delta); 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The BackoffEntry is not informed of this request, so there's no delay 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // before the next request. This allows for faster login when a captive 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // portal is first detected. It can also help when moving between captive 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // portals. 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_LE(1, num_checks_with_same_result_); 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++num_checks_with_same_result_; 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Requests that have the same Result as the last one are considered 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // "failures", to trigger backoff. 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_entry_->SetCustomReleaseTime(now + retry_after_delta); 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_entry_->InformOfRequest(false); 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_check_time_ = now; 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OnResult(result); 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CaptivePortalService::Shutdown() { 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(CalledOnValidThread()); 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enabled_) { 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RecordRepeatHistograms( 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_detection_result_, 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) num_checks_with_same_result_, 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetCurrentTimeTicks() - first_check_time_with_same_result_); 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3235c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuvoid CaptivePortalService::OnResult(CaptivePortalResult result) { 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(STATE_CHECKING_FOR_PORTAL, state_); 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = STATE_IDLE; 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Results results; 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) results.previous_result = last_detection_result_; 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) results.result = result; 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_detection_result_ = result; 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::NotificationService::current()->Notify( 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chrome::NOTIFICATION_CAPTIVE_PORTAL_CHECK_RESULT, 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::Source<Profile>(profile_), 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::Details<Results>(&results)); 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3385c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuvoid CaptivePortalService::ResetBackoffEntry(CaptivePortalResult result) { 3395c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu if (!enabled_ || result == captive_portal::RESULT_BEHIND_CAPTIVE_PORTAL) { 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use the shorter time when the captive portal service is not enabled, or 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // behind a captive portal. 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) recheck_policy_.backoff_policy.initial_delay_ms = 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) recheck_policy_.initial_backoff_portal_ms; 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) recheck_policy_.backoff_policy.initial_delay_ms = 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) recheck_policy_.initial_backoff_no_portal_ms; 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) backoff_entry_.reset(new RecheckBackoffEntry(this)); 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CaptivePortalService::UpdateEnabledState() { 3532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(CalledOnValidThread()); 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool enabled_before = enabled_; 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enabled_ = testing_state_ != DISABLED_FOR_TESTING && 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resolve_errors_with_web_service_.GetValue(); 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (testing_state_ != SKIP_OS_CHECK_FOR_TESTING && 359a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ShouldDeferToNativeCaptivePortalDetection()) { 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enabled_ = false; 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (enabled_before == enabled_) 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Clear data used for histograms. 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) num_checks_with_same_result_ = 0; 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) first_check_time_with_same_result_ = base::TimeTicks(); 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_check_time_ = base::TimeTicks(); 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ResetBackoffEntry(last_detection_result_); 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (state_ == STATE_CHECKING_FOR_PORTAL || state_ == STATE_TIMER_RUNNING) { 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a captive portal check was running or pending, cancel check 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and the timer. 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) check_captive_portal_timer_.Stop(); 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) captive_portal_detector_.Cancel(); 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = STATE_IDLE; 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Since a captive portal request was queued or running, something may be 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // expecting to receive a captive portal result. 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DetectCaptivePortal(); 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::TimeTicks CaptivePortalService::GetCurrentTimeTicks() const { 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (time_ticks_for_testing_.is_null()) 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return base::TimeTicks::Now(); 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return time_ticks_for_testing_; 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CaptivePortalService::DetectionInProgress() const { 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return state_ == STATE_CHECKING_FOR_PORTAL; 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CaptivePortalService::TimerRunning() const { 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return check_captive_portal_timer_.IsRunning(); 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 400