chrome/browser/supervised_user/supervised_user_navigation_observer.cc

   1 // Copyright 2014 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 #include "chrome/browser/supervised_user/supervised_user_navigation_observer.h"
   6
   7 #include "base/bind.h"
   8 #include "base/callback.h"
   9 #include "chrome/browser/history/history_service_factory.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/supervised_user/supervised_user_interstitial.h"
  12 #include "chrome/browser/supervised_user/supervised_user_service.h"
  13 #include "chrome/browser/supervised_user/supervised_user_service_factory.h"
  14 #include "chrome/browser/tab_contents/tab_util.h"
  15 #include "components/history/content/browser/history_context_helper.h"
  16 #include "components/history/core/browser/history_service.h"
  17 #include "components/history/core/browser/history_types.h"
  18 #include "content/public/browser/browser_thread.h"
  19 #include "content/public/browser/navigation_entry.h"
  20
  21 using base::Time;
  22 using content::NavigationEntry;
  23
  24 DEFINE_WEB_CONTENTS_USER_DATA_KEY(SupervisedUserNavigationObserver);
  25
  26 SupervisedUserNavigationObserver::~SupervisedUserNavigationObserver() {
  27 }
  28
  29 SupervisedUserNavigationObserver::SupervisedUserNavigationObserver(
  30     content::WebContents* web_contents)
  31     : web_contents_(web_contents) {
  32   Profile* profile =
  33       Profile::FromBrowserContext(web_contents_->GetBrowserContext());
  34   SupervisedUserService* supervised_user_service =
  35       SupervisedUserServiceFactory::GetForProfile(profile);
  36   url_filter_ = supervised_user_service->GetURLFilterForUIThread();
  37 }
  38
  39 // static
  40 void SupervisedUserNavigationObserver::OnRequestBlocked(
  41     int render_process_host_id,
  42     int render_view_id,
  43     const GURL& url,
  44     SupervisedUserURLFilter::FilteringBehaviorReason reason,
  45     const base::Callback<void(bool)>& callback) {
  46   content::WebContents* web_contents =
  47       tab_util::GetWebContentsByID(render_process_host_id, render_view_id);
  48   if (!web_contents) {
  49     content::BrowserThread::PostTask(
  50         content::BrowserThread::IO, FROM_HERE, base::Bind(callback, false));
  51     return;
  52   }
  53
  54   SupervisedUserNavigationObserver* navigation_observer =
  55       SupervisedUserNavigationObserver::FromWebContents(web_contents);
  56   if (navigation_observer)
  57     navigation_observer->OnRequestBlockedInternal(url);
  58
  59   // Show the interstitial.
  60   SupervisedUserInterstitial::Show(web_contents, url, reason, callback);
  61 }
  62
  63 void SupervisedUserNavigationObserver::OnRequestBlockedInternal(
  64     const GURL& url) {
  65   Time timestamp = Time::Now();  // TODO(bauerb): Use SaneTime when available.
  66   // Create a history entry for the attempt and mark it as such.
  67   history::HistoryAddPageArgs add_page_args(
  68       url, timestamp, history::ContextIDForWebContents(web_contents_), 0, url,
  69       history::RedirectList(), ui::PAGE_TRANSITION_BLOCKED,
  70       history::SOURCE_BROWSED, false);
  71
  72   // Add the entry to the history database.
  73   Profile* profile =
  74       Profile::FromBrowserContext(web_contents_->GetBrowserContext());
  75   history::HistoryService* history_service =
  76       HistoryServiceFactory::GetForProfile(profile,
  77                                            ServiceAccessType::IMPLICIT_ACCESS);
  78
  79   // |history_service| is null if saving history is disabled.
  80   if (history_service)
  81     history_service->AddPage(add_page_args);
  82
  83   scoped_ptr<NavigationEntry> entry(NavigationEntry::Create());
  84   entry->SetVirtualURL(url);
  85   entry->SetTimestamp(timestamp);
  86   blocked_navigations_.push_back(entry.release());
  87   SupervisedUserService* supervised_user_service =
  88       SupervisedUserServiceFactory::GetForProfile(profile);
  89   supervised_user_service->DidBlockNavigation(web_contents_);
  90 }