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// 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 ThreatDetailsRedirectsCollector class.
#include "chrome/browser/safe_browsing/threat_details_history.h"
#include <stddef.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/threat_details.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_source.h"
using content::BrowserThread;
namespace safe_browsing {
ThreatDetailsRedirectsCollector::ThreatDetailsRedirectsCollector(
Profile* profile)
: profile_(profile), has_started_(false) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (profile) {
registrar_.Add(this, chrome::NOTIFICATION_PROFILE_DESTROYED,
content::Source<Profile>(profile));
}
}
void ThreatDetailsRedirectsCollector::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(&ThreatDetailsRedirectsCollector::StartGetRedirects, this,
urls));
}
bool ThreatDetailsRedirectsCollector::HasStarted() const {
return has_started_;
}
const std::vector<RedirectChain>&
ThreatDetailsRedirectsCollector::GetCollectedUrls() const {
return redirects_urls_;
}
void ThreatDetailsRedirectsCollector::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK_EQ(type, chrome::NOTIFICATION_PROFILE_DESTROYED);
DVLOG(1) << "Profile gone.";
profile_ = NULL;
}
ThreatDetailsRedirectsCollector::~ThreatDetailsRedirectsCollector() {}
void ThreatDetailsRedirectsCollector::StartGetRedirects(
const std::vector<GURL>& urls) {
// History access from profile needs to happen in UI thread
DCHECK_CURRENTLY_ON(BrowserThread::UI);
for (size_t i = 0; i < urls.size(); ++i) {
urls_.push_back(urls[i]);
}
urls_it_ = urls_.begin();
GetRedirects(*urls_it_);
}
void ThreatDetailsRedirectsCollector::GetRedirects(const GURL& url) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (!profile_) {
AllDone();
return;
}
history::HistoryService* history = HistoryServiceFactory::GetForProfile(
profile_, ServiceAccessType::EXPLICIT_ACCESS);
if (!history) {
AllDone();
return;
}
history->QueryRedirectsTo(
url, base::Bind(&ThreatDetailsRedirectsCollector::OnGotQueryRedirectsTo,
base::Unretained(this), url),
&request_tracker_);
}
void ThreatDetailsRedirectsCollector::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 ThreatDetailsRedirectsCollector::AllDone() {
DVLOG(1) << "AllDone";
BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, callback_);
callback_.Reset();
}
} // namespace safe_browsing
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