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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/safe_browsing/content/browser/download/download_stats.h"
#include "base/files/file_path.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/user_metrics.h"
#include "base/metrics/user_metrics_action.h"
#include "base/time/time.h"
#include "components/download/public/common/download_content.h"
#include "components/download/public/common/download_danger_type.h"
#include "components/safe_browsing/content/common/file_type_policies.h"
namespace {
using safe_browsing::FileTypePolicies;
constexpr char kShownMetricSuffix[] = ".Shown";
constexpr char kBypassedMetricSuffix[] = ".Bypassed";
std::string GetDangerTypeMetricSuffix(
download::DownloadDangerType danger_type) {
switch (danger_type) {
case download::DOWNLOAD_DANGER_TYPE_DANGEROUS_FILE:
return ".DangerousFileType";
case download::DOWNLOAD_DANGER_TYPE_DANGEROUS_URL:
case download::DOWNLOAD_DANGER_TYPE_DANGEROUS_CONTENT:
case download::DOWNLOAD_DANGER_TYPE_DANGEROUS_HOST:
case download::DOWNLOAD_DANGER_TYPE_DANGEROUS_ACCOUNT_COMPROMISE:
case download::DOWNLOAD_DANGER_TYPE_POTENTIALLY_UNWANTED:
case download::DOWNLOAD_DANGER_TYPE_DEEP_SCANNED_OPENED_DANGEROUS:
return ".Malicious";
case download::DOWNLOAD_DANGER_TYPE_UNCOMMON_CONTENT:
return ".Uncommon";
case download::DOWNLOAD_DANGER_TYPE_PROMPT_FOR_SCANNING:
case download::DOWNLOAD_DANGER_TYPE_PROMPT_FOR_LOCAL_PASSWORD_SCANNING:
case download::DOWNLOAD_DANGER_TYPE_ASYNC_SCANNING:
case download::DOWNLOAD_DANGER_TYPE_ASYNC_LOCAL_PASSWORD_SCANNING:
case download::DOWNLOAD_DANGER_TYPE_BLOCKED_PASSWORD_PROTECTED:
case download::DOWNLOAD_DANGER_TYPE_BLOCKED_TOO_LARGE:
case download::DOWNLOAD_DANGER_TYPE_SENSITIVE_CONTENT_WARNING:
case download::DOWNLOAD_DANGER_TYPE_SENSITIVE_CONTENT_BLOCK:
case download::DOWNLOAD_DANGER_TYPE_DEEP_SCANNED_SAFE:
case download::DOWNLOAD_DANGER_TYPE_DEEP_SCANNED_FAILED:
case download::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS:
case download::DOWNLOAD_DANGER_TYPE_MAYBE_DANGEROUS_CONTENT:
case download::DOWNLOAD_DANGER_TYPE_USER_VALIDATED:
case download::DOWNLOAD_DANGER_TYPE_ALLOWLISTED_BY_POLICY:
case download::DOWNLOAD_DANGER_TYPE_BLOCKED_SCAN_FAILED:
case download::DOWNLOAD_DANGER_TYPE_MAX:
return ".Others";
}
}
void RecordDangerousWarningFileType(download::DownloadDangerType danger_type,
const base::FilePath& file_path,
const std::string& metrics_suffix) {
base::UmaHistogramSparse(
"SBClientDownload.Warning.FileType" +
GetDangerTypeMetricSuffix(danger_type) + metrics_suffix,
FileTypePolicies::GetInstance()->UmaValueForFile(file_path));
}
void RecordDangerousWarningIsHttps(download::DownloadDangerType danger_type,
bool is_https,
const std::string& metrics_suffix) {
base::UmaHistogramBoolean("SBClientDownload.Warning.DownloadIsHttps" +
GetDangerTypeMetricSuffix(danger_type) +
metrics_suffix,
is_https);
}
void RecordDangerousWarningHasUserGesture(
download::DownloadDangerType danger_type,
bool has_user_gesture,
const std::string& metrics_suffix) {
base::UmaHistogramBoolean("SBClientDownload.Warning.DownloadHasUserGesture" +
GetDangerTypeMetricSuffix(danger_type) +
metrics_suffix,
has_user_gesture);
}
} // namespace
namespace safe_browsing {
void RecordDangerousDownloadWarningShown(
download::DownloadDangerType danger_type,
const base::FilePath& file_path,
bool is_https,
bool has_user_gesture) {
RecordDangerousWarningFileType(danger_type, file_path, kShownMetricSuffix);
RecordDangerousWarningIsHttps(danger_type, is_https, kShownMetricSuffix);
RecordDangerousWarningHasUserGesture(danger_type, has_user_gesture,
kShownMetricSuffix);
base::RecordAction(
base::UserMetricsAction("SafeBrowsing.Download.WarningShown"));
}
void RecordDangerousDownloadWarningBypassed(
download::DownloadDangerType danger_type,
const base::FilePath& file_path,
bool is_https,
bool has_user_gesture) {
RecordDangerousWarningFileType(danger_type, file_path, kBypassedMetricSuffix);
RecordDangerousWarningIsHttps(danger_type, is_https, kBypassedMetricSuffix);
RecordDangerousWarningHasUserGesture(danger_type, has_user_gesture,
kBypassedMetricSuffix);
base::RecordAction(
base::UserMetricsAction("SafeBrowsing.Download.WarningBypassed"));
}
void RecordDownloadFileTypeAttributes(
DownloadFileType::DangerLevel danger_level,
bool has_user_gesture,
bool visited_referrer_before,
std::optional<base::Time> last_bypass_time) {
if (danger_level != DownloadFileType::ALLOW_ON_USER_GESTURE) {
return;
}
base::UmaHistogramEnumeration(
"SBClientDownload.UserGestureFileType.Attributes",
UserGestureFileTypeAttributes::TOTAL_TYPE_CHECKED);
if (has_user_gesture) {
base::UmaHistogramEnumeration(
"SBClientDownload.UserGestureFileType.Attributes",
UserGestureFileTypeAttributes::HAS_USER_GESTURE);
}
if (visited_referrer_before) {
base::UmaHistogramEnumeration(
"SBClientDownload.UserGestureFileType.Attributes",
UserGestureFileTypeAttributes::HAS_REFERRER_VISIT);
}
if (has_user_gesture && visited_referrer_before) {
base::UmaHistogramEnumeration(
"SBClientDownload.UserGestureFileType.Attributes",
UserGestureFileTypeAttributes::
HAS_BOTH_USER_GESTURE_AND_REFERRER_VISIT);
}
if (last_bypass_time) {
base::UmaHistogramEnumeration(
"SBClientDownload.UserGestureFileType.Attributes",
UserGestureFileTypeAttributes::HAS_BYPASSED_DOWNLOAD_WARNING);
}
}
} // namespace safe_browsing
|