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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 | 5 |
6 #include "chrome/browser/download/download_safe_browsing_client.h" | 6 #include "chrome/browser/download/download_safe_browsing_client.h" |
7 | 7 |
8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/metrics/histogram.h" | 10 #include "base/metrics/histogram.h" |
11 #include "base/metrics/stats_counters.h" | 11 #include "base/metrics/stats_counters.h" |
12 #include "base/string_number_conversions.h" | 12 #include "base/string_number_conversions.h" |
13 #include "chrome/browser/browser_process.h" | 13 #include "chrome/browser/browser_process.h" |
14 #include "chrome/browser/download/download_create_info.h" | 14 #include "chrome/browser/download/download_create_info.h" |
15 #include "chrome/browser/download/download_manager.h" | 15 #include "chrome/browser/download/download_manager.h" |
16 #include "chrome/browser/safe_browsing/safe_browsing_util.h" | 16 #include "chrome/browser/safe_browsing/safe_browsing_util.h" |
17 #include "chrome/common/chrome_switches.h" | 17 #include "chrome/common/chrome_switches.h" |
18 #include "content/browser/browser_thread.h" | 18 #include "content/browser/browser_thread.h" |
19 #include "content/browser/renderer_host/resource_dispatcher_host.h" | 19 #include "content/browser/renderer_host/resource_dispatcher_host.h" |
20 | 20 |
21 // TODO(lzheng): Get rid of the AddRef and Release after | 21 // TODO(lzheng): Get rid of the AddRef and Release after |
22 // SafeBrowsingService::Client is changed to RefCountedThreadSafe<>. | 22 // SafeBrowsingService::Client is changed to RefCountedThreadSafe<>. |
23 | 23 |
24 DownloadSBClient::DownloadSBClient(int32 download_id, | 24 DownloadSBClient::DownloadSBClient(int32 download_id, |
25 const std::vector<GURL>& url_chain, | 25 const std::vector<GURL>& url_chain, |
26 const GURL& referrer_url) | 26 const GURL& referrer_url, |
| 27 bool safe_browsing_enabled) |
27 : download_id_(download_id), | 28 : download_id_(download_id), |
28 url_chain_(url_chain), | 29 url_chain_(url_chain), |
29 referrer_url_(referrer_url) { | 30 referrer_url_(referrer_url), |
| 31 safe_browsing_enabled_(safe_browsing_enabled) { |
30 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 32 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
31 DCHECK(!url_chain.empty()); | 33 DCHECK(!url_chain.empty()); |
32 ResourceDispatcherHost* rdh = g_browser_process->resource_dispatcher_host(); | 34 ResourceDispatcherHost* rdh = g_browser_process->resource_dispatcher_host(); |
33 if (rdh) | 35 if (rdh) |
34 sb_service_ = g_browser_process->safe_browsing_service(); | 36 sb_service_ = g_browser_process->safe_browsing_service(); |
35 } | 37 } |
36 | 38 |
37 DownloadSBClient::~DownloadSBClient() {} | 39 DownloadSBClient::~DownloadSBClient() {} |
38 | 40 |
39 void DownloadSBClient::CheckDownloadUrl(UrlDoneCallback* callback) { | 41 void DownloadSBClient::CheckDownloadUrl(UrlDoneCallback* callback) { |
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110 const std::string& hash, SafeBrowsingService::UrlCheckResult result) { | 112 const std::string& hash, SafeBrowsingService::UrlCheckResult result) { |
111 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 113 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
112 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | 114 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, |
113 NewRunnableMethod(this, | 115 NewRunnableMethod(this, |
114 &DownloadSBClient::SafeBrowsingCheckHashDone, | 116 &DownloadSBClient::SafeBrowsingCheckHashDone, |
115 result, | 117 result, |
116 hash)); | 118 hash)); |
117 Release(); | 119 Release(); |
118 } | 120 } |
119 | 121 |
| 122 // pass in knowledge of can we report stats |
120 void DownloadSBClient::SafeBrowsingCheckUrlDone( | 123 void DownloadSBClient::SafeBrowsingCheckUrlDone( |
121 SafeBrowsingService::UrlCheckResult result) { | 124 SafeBrowsingService::UrlCheckResult result) { |
122 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 125 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
123 DVLOG(1) << "SafeBrowsingCheckUrlDone with result: " << result; | 126 DVLOG(1) << "SafeBrowsingCheckUrlDone with result: " << result; |
124 | 127 |
125 bool is_dangerous = result != SafeBrowsingService::SAFE; | 128 bool is_dangerous = result != SafeBrowsingService::SAFE; |
126 url_done_callback_->Run(download_id_, is_dangerous); | 129 url_done_callback_->Run(download_id_, is_dangerous); |
127 | 130 |
128 if (sb_service_.get() && sb_service_->download_protection_enabled()) { | 131 if (sb_service_.get() && sb_service_->download_protection_enabled()) { |
129 UMA_HISTOGRAM_TIMES("SB2.DownloadUrlCheckDuration", | 132 UMA_HISTOGRAM_TIMES("SB2.DownloadUrlCheckDuration", |
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149 UMA_HISTOGRAM_TIMES("SB2.DownloadHashCheckDuration", | 152 UMA_HISTOGRAM_TIMES("SB2.DownloadHashCheckDuration", |
150 base::TimeTicks::Now() - start_time_); | 153 base::TimeTicks::Now() - start_time_); |
151 UpdateDownloadCheckStats(DOWNLOAD_HASH_CHECKS_TOTAL); | 154 UpdateDownloadCheckStats(DOWNLOAD_HASH_CHECKS_TOTAL); |
152 if (is_dangerous) { | 155 if (is_dangerous) { |
153 UpdateDownloadCheckStats(DOWNLOAD_HASH_CHECKS_MALWARE); | 156 UpdateDownloadCheckStats(DOWNLOAD_HASH_CHECKS_MALWARE); |
154 ReportMalware(result, hash); | 157 ReportMalware(result, hash); |
155 } | 158 } |
156 } | 159 } |
157 } | 160 } |
158 | 161 |
| 162 |
159 void DownloadSBClient::ReportMalware( | 163 void DownloadSBClient::ReportMalware( |
160 SafeBrowsingService::UrlCheckResult result, | 164 SafeBrowsingService::UrlCheckResult result, |
161 const std::string& hash) { | 165 const std::string& hash) { |
162 std::string post_data; | 166 std::string post_data; |
163 if (!hash.empty()) | 167 if (!hash.empty()) |
164 post_data += base::HexEncode(hash.data(), hash.size()) + "\n"; | 168 post_data += base::HexEncode(hash.data(), hash.size()) + "\n"; |
165 for (size_t i = 0; i < url_chain_.size(); ++i) | 169 for (size_t i = 0; i < url_chain_.size(); ++i) |
166 post_data += url_chain_[i].spec() + "\n"; | 170 post_data += url_chain_[i].spec() + "\n"; |
167 | 171 |
168 sb_service_->ReportSafeBrowsingHit(url_chain_.back(), // malicious_url | 172 sb_service_->ReportSafeBrowsingHit(url_chain_.back(), // malicious_url |
169 url_chain_.front(), // page_url | 173 url_chain_.front(), // page_url |
170 referrer_url_, | 174 referrer_url_, |
171 true, // is_subresource | 175 true, // is_subresource |
172 result, | 176 result, |
173 post_data); | 177 post_data, |
| 178 safe_browsing_enabled_); |
174 } | 179 } |
175 | 180 |
176 void DownloadSBClient::UpdateDownloadCheckStats(SBStatsType stat_type) { | 181 void DownloadSBClient::UpdateDownloadCheckStats(SBStatsType stat_type) { |
177 UMA_HISTOGRAM_ENUMERATION("SB2.DownloadChecks", | 182 UMA_HISTOGRAM_ENUMERATION("SB2.DownloadChecks", |
178 stat_type, | 183 stat_type, |
179 DOWNLOAD_CHECKS_MAX); | 184 DOWNLOAD_CHECKS_MAX); |
180 } | 185 } |
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