summaryrefslogtreecommitdiffstats
path: root/chrome/browser/safe_browsing/malware_details_history.cc
blob: d628a61d785ae89711091c29b9c4a58df56051af (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Implementation of the MalwareDetailsRedirectsCollector class.

#include "chrome/browser/safe_browsing/malware_details_history.h"

#include "base/bind.h"
#include "base/bind_helpers.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/history/history_service_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/safe_browsing/malware_details.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"

using content::BrowserThread;

MalwareDetailsRedirectsCollector::MalwareDetailsRedirectsCollector(
    Profile* profile)
    : profile_(profile),
      has_started_(false) {
  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  if (profile) {
    registrar_.Add(this, chrome::NOTIFICATION_PROFILE_DESTROYED,
                   content::Source<Profile>(profile));
  }
}

void MalwareDetailsRedirectsCollector::StartHistoryCollection(
    const std::vector<GURL>& urls,
    const base::Closure& callback) {
  DVLOG(1) << "Num of urls to check in history service: " << urls.size();
  has_started_ = true;
  callback_ = callback;

  if (urls.size() == 0) {
    AllDone();
    return;
  }

  BrowserThread::PostTask(
      BrowserThread::UI, FROM_HERE,
      base::Bind(&MalwareDetailsRedirectsCollector::StartGetRedirects,
                 this, urls));
}

bool MalwareDetailsRedirectsCollector::HasStarted() const {
  return has_started_;
}

const std::vector<safe_browsing::RedirectChain>&
MalwareDetailsRedirectsCollector::GetCollectedUrls() const {
  return redirects_urls_;
}

void MalwareDetailsRedirectsCollector::Observe(
    int type,
    const content::NotificationSource& source,
    const content::NotificationDetails& details) {
  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  DCHECK_EQ(type, chrome::NOTIFICATION_PROFILE_DESTROYED);
  DVLOG(1) << "Profile gone.";
  profile_ = NULL;
}

MalwareDetailsRedirectsCollector::~MalwareDetailsRedirectsCollector() {}

void MalwareDetailsRedirectsCollector::StartGetRedirects(
        const std::vector<GURL>& urls) {
  // History access from profile needs to happen in UI thread
  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  for (size_t i = 0; i < urls.size(); ++i) {
    urls_.push_back(urls[i]);
  }
  urls_it_ = urls_.begin();
  GetRedirects(*urls_it_);
}

void MalwareDetailsRedirectsCollector::GetRedirects(const GURL& url) {
  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  if (!profile_) {
    AllDone();
    return;
  }

  HistoryService* history = HistoryServiceFactory::GetForProfile(
      profile_, Profile::EXPLICIT_ACCESS);
  if (!history) {
    AllDone();
    return;
  }

  history->QueryRedirectsTo(
      url,
      base::Bind(&MalwareDetailsRedirectsCollector::OnGotQueryRedirectsTo,
                 base::Unretained(this),
                 url),
      &request_tracker_);
}

void MalwareDetailsRedirectsCollector::OnGotQueryRedirectsTo(
    const GURL& url,
    const history::RedirectList* redirect_list) {
  if (!redirect_list->empty()) {
    std::vector<GURL> urllist;
    urllist.push_back(url);
    urllist.insert(urllist.end(), redirect_list->begin(), redirect_list->end());
    redirects_urls_.push_back(urllist);
  }

  // Proceed to next url
  ++urls_it_;

  if (urls_it_ == urls_.end()) {
    AllDone();
    return;
  }

  GetRedirects(*urls_it_);
}

void MalwareDetailsRedirectsCollector::AllDone() {
  DVLOG(1) << "AllDone";
  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, callback_);
  callback_.Reset();
}