blob: a6c3ca8fe391d1ab529ff8954624a2a95105b3db [file] [log] [blame]
// 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 SafeBrowsingBlockingPage class.
#include "chrome/browser/safe_browsing/safe_browsing_blocking_page.h"
#include <string>
#include "base/bind.h"
#include "base/i18n/rtl.h"
#include "base/lazy_instance.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram.h"
#include "base/string_number_conversions.h"
#include "base/string_piece.h"
#include "base/stringprintf.h"
#include "base/time.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/google/google_util.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/renderer_preferences_util.h"
#include "chrome/browser/safe_browsing/malware_details.h"
#include "chrome/browser/safe_browsing/safe_browsing_service.h"
#include "chrome/browser/tab_contents/tab_util.h"
#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
#include "chrome/common/jstemplate_builder.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/interstitial_page.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/user_metrics.h"
#include "content/public/browser/web_contents.h"
#include "grit/browser_resources.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "grit/locale_settings.h"
#include "net/base/escape.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/layout.h"
#include "ui/base/resource/resource_bundle.h"
using content::BrowserThread;
using content::InterstitialPage;
using content::OpenURLParams;
using content::Referrer;
using content::UserMetricsAction;
using content::WebContents;
// For malware interstitial pages, we link the problematic URL to Google's
// diagnostic page.
#if defined(GOOGLE_CHROME_BUILD)
static const char* const kSbDiagnosticUrl =
"http://safebrowsing.clients.google.com/safebrowsing/diagnostic?site=%s&client=googlechrome";
#else
static const char* const kSbDiagnosticUrl =
"http://safebrowsing.clients.google.com/safebrowsing/diagnostic?site=%s&client=chromium";
#endif
static const char* const kSbReportPhishingErrorUrl =
"http://www.google.com/safebrowsing/report_error/";
// URL for the "Learn more" link on the multi threat malware blocking page.
static const char* const kLearnMoreMalwareUrl =
"https://www.google.com/support/bin/answer.py?answer=45449&topic=360"
"&sa=X&oi=malwarewarninglink&resnum=1&ct=help";
static const char* const kLearnMoreMalwareUrlV2 =
"https://www.google.com/goodtoknow/online-safety/malware/";
static const char* const kLearnMorePhishingUrlV2 =
"https://www.google.com/goodtoknow/online-safety/phishing/";
// URL for the "Learn more" link on the phishing blocking page.
static const char* const kLearnMorePhishingUrl =
"https://www.google.com/support/bin/answer.py?answer=106318";
static const char* const kSbDiagnosticHtml =
"<a href=\"\" onclick=\"sendCommand('showDiagnostic'); return false;\" "
"onmousedown=\"return false;\">%s</a>";
static const char* const kPLinkHtml =
"<a href=\"\" onclick=\"sendCommand('proceed'); return false;\" "
"onmousedown=\"return false;\">%s</a>";
static const char* const kPrivacyLinkHtml =
"<a id=\"privacy-link\" href=\"\" onclick=\"sendCommand('showPrivacy'); "
"return false;\" onmousedown=\"return false;\">%s</a>";
// After a malware interstitial where the user opted-in to the report
// but clicked "proceed anyway", we delay the call to
// MalwareDetails::FinishCollection() by this much time (in
// milliseconds).
static const int64 kMalwareDetailsProceedDelayMilliSeconds = 3000;
// The commands returned by the page when the user performs an action.
static const char* const kShowDiagnosticCommand = "showDiagnostic";
static const char* const kReportErrorCommand = "reportError";
static const char* const kLearnMoreCommand = "learnMore";
static const char* const kLearnMoreCommandV2 = "learnMore2";
static const char* const kShowPrivacyCommand = "showPrivacy";
static const char* const kProceedCommand = "proceed";
static const char* const kTakeMeBackCommand = "takeMeBack";
static const char* const kDoReportCommand = "doReport";
static const char* const kDontReportCommand = "dontReport";
static const char* const kDisplayCheckBox = "displaycheckbox";
static const char* const kBoxChecked = "boxchecked";
static const char* const kExpandedSeeMore = "expandedSeeMore";
// Special command that we use when the user navigated away from the
// page. E.g., closed the tab or the window. This is only used by
// RecordUserReactionTime.
static const char* const kNavigatedAwayMetaCommand = "closed";
// static
SafeBrowsingBlockingPageFactory* SafeBrowsingBlockingPage::factory_ = NULL;
static base::LazyInstance<SafeBrowsingBlockingPage::UnsafeResourceMap>
g_unsafe_resource_map = LAZY_INSTANCE_INITIALIZER;
// The default SafeBrowsingBlockingPageFactory. Global, made a singleton so we
// don't leak it.
class SafeBrowsingBlockingPageFactoryImpl
: public SafeBrowsingBlockingPageFactory {
public:
SafeBrowsingBlockingPage* CreateSafeBrowsingPage(
SafeBrowsingService* service,
WebContents* web_contents,
const SafeBrowsingBlockingPage::UnsafeResourceList& unsafe_resources) {
// Only do the trial if the interstitial is for a single malware or
// phishing resource, the multi-threat interstitial has not been updated to
// V2 yet.
if (unsafe_resources.size() == 1 &&
(unsafe_resources[0].threat_type == SafeBrowsingService::URL_MALWARE ||
unsafe_resources[0].threat_type ==
SafeBrowsingService::URL_PHISHING)) {
if (base::FieldTrialList::FindFullName("SBInterstitial") == "V2") {
DVLOG(1) << "In V2 group.";
return new SafeBrowsingBlockingPageV2(service, web_contents,
unsafe_resources);
}
DVLOG(1) << "In V1 group.";
}
return new SafeBrowsingBlockingPageV1(service, web_contents,
unsafe_resources);
}
private:
friend struct base::DefaultLazyInstanceTraits<
SafeBrowsingBlockingPageFactoryImpl>;
SafeBrowsingBlockingPageFactoryImpl() { }
DISALLOW_COPY_AND_ASSIGN(SafeBrowsingBlockingPageFactoryImpl);
};
static base::LazyInstance<SafeBrowsingBlockingPageFactoryImpl>
g_safe_browsing_blocking_page_factory_impl = LAZY_INSTANCE_INITIALIZER;
SafeBrowsingBlockingPage::SafeBrowsingBlockingPage(
SafeBrowsingService* sb_service,
WebContents* web_contents,
const UnsafeResourceList& unsafe_resources)
: malware_details_proceed_delay_ms_(
kMalwareDetailsProceedDelayMilliSeconds),
sb_service_(sb_service),
report_loop_(NULL),
is_main_frame_load_blocked_(IsMainPageLoadBlocked(unsafe_resources)),
unsafe_resources_(unsafe_resources),
proceeded_(false),
web_contents_(web_contents),
url_(unsafe_resources[0].url),
has_expanded_see_more_section_(false) {
bool malware = false;
bool phishing = false;
for (UnsafeResourceList::const_iterator iter = unsafe_resources_.begin();
iter != unsafe_resources_.end(); ++iter) {
const SafeBrowsingService::UnsafeResource& resource = *iter;
SafeBrowsingService::UrlCheckResult threat_type = resource.threat_type;
if (threat_type == SafeBrowsingService::URL_MALWARE) {
malware = true;
} else {
DCHECK(threat_type == SafeBrowsingService::URL_PHISHING ||
threat_type == SafeBrowsingService::CLIENT_SIDE_PHISHING_URL);
phishing = true;
}
}
DCHECK(phishing || malware);
if (malware && phishing)
interstitial_type_ = TYPE_MALWARE_AND_PHISHING;
else if (malware)
interstitial_type_ = TYPE_MALWARE;
else
interstitial_type_ = TYPE_PHISHING;
RecordUserAction(SHOW);
if (!is_main_frame_load_blocked_) {
navigation_entry_index_to_remove_ =
web_contents->GetController().GetLastCommittedEntryIndex();
} else {
navigation_entry_index_to_remove_ = -1;
}
// Start computing malware details. They will be sent only
// if the user opts-in on the blocking page later.
// If there's more than one malicious resources, it means the user
// clicked through the first warning, so we don't prepare additional
// reports.
if (unsafe_resources.size() == 1 &&
unsafe_resources[0].threat_type == SafeBrowsingService::URL_MALWARE &&
malware_details_ == NULL &&
CanShowMalwareDetailsOption()) {
malware_details_ = MalwareDetails::NewMalwareDetails(
sb_service_, web_contents, unsafe_resources[0]);
}
interstitial_page_ = InterstitialPage::Create(
web_contents, IsMainPageLoadBlocked(unsafe_resources), url_, this);
}
bool SafeBrowsingBlockingPage::CanShowMalwareDetailsOption() {
return (!web_contents_->GetBrowserContext()->IsOffTheRecord() &&
web_contents_->GetURL().SchemeIs(chrome::kHttpScheme));
}
SafeBrowsingBlockingPage::~SafeBrowsingBlockingPage() {
}
void SafeBrowsingBlockingPage::CommandReceived(const std::string& cmd) {
std::string command(cmd); // Make a local copy so we can modify it.
// The Jasonified response has quotes, remove them.
if (command.length() > 1 && command[0] == '"') {
command = command.substr(1, command.length() - 2);
}
RecordUserReactionTime(command);
if (command == kDoReportCommand) {
SetReportingPreference(true);
return;
}
if (command == kDontReportCommand) {
SetReportingPreference(false);
return;
}
if (command == kLearnMoreCommand) {
// User pressed "Learn more".
GURL url;
SafeBrowsingService::UrlCheckResult threat_type =
unsafe_resources_[0].threat_type;
if (threat_type == SafeBrowsingService::URL_MALWARE) {
url = google_util::AppendGoogleLocaleParam(GURL(kLearnMoreMalwareUrl));
} else if (threat_type == SafeBrowsingService::URL_PHISHING ||
threat_type == SafeBrowsingService::CLIENT_SIDE_PHISHING_URL) {
url = google_util::AppendGoogleLocaleParam(GURL(kLearnMorePhishingUrl));
} else {
NOTREACHED();
}
OpenURLParams params(
url, Referrer(), CURRENT_TAB, content::PAGE_TRANSITION_LINK, false);
web_contents_->OpenURL(params);
return;
}
if (command == kLearnMoreCommandV2) {
// User pressed "Learn more".
GURL url;
SafeBrowsingService::UrlCheckResult threat_type =
unsafe_resources_[0].threat_type;
if (threat_type == SafeBrowsingService::URL_MALWARE) {
url = google_util::AppendGoogleLocaleParam(GURL(kLearnMoreMalwareUrlV2));
} else if (threat_type == SafeBrowsingService::URL_PHISHING ||
threat_type == SafeBrowsingService::CLIENT_SIDE_PHISHING_URL) {
url = google_util::AppendGoogleLocaleParam(GURL(kLearnMorePhishingUrlV2));
} else {
NOTREACHED();
}
OpenURLParams params(
url, Referrer(), CURRENT_TAB, content::PAGE_TRANSITION_LINK, false);
web_contents_->OpenURL(params);
return;
}
if (command == kShowPrivacyCommand) {
// User pressed "Safe Browsing privacy policy".
GURL url(l10n_util::GetStringUTF8(IDS_SAFE_BROWSING_PRIVACY_POLICY_URL));
OpenURLParams params(
url, Referrer(), CURRENT_TAB, content::PAGE_TRANSITION_LINK, false);
web_contents_->OpenURL(params);
return;
}
bool proceed_blocked = false;
if (command == kProceedCommand) {
if (IsPrefEnabled(prefs::kSafeBrowsingProceedAnywayDisabled)) {
proceed_blocked = true;
} else {
interstitial_page_->Proceed();
// |this| has been deleted after Proceed() returns.
return;
}
}
if (command == kTakeMeBackCommand || proceed_blocked) {
if (is_main_frame_load_blocked_) {
// If the load is blocked, we want to close the interstitial and discard
// the pending entry.
interstitial_page_->DontProceed();
// |this| has been deleted after DontProceed() returns.
return;
}
// Otherwise the offending entry has committed, and we need to go back or
// to a safe page. We will close the interstitial when that page commits.
if (web_contents_->GetController().CanGoBack()) {
web_contents_->GetController().GoBack();
} else {
web_contents_->GetController().LoadURL(
GURL(chrome::kChromeUINewTabURL),
content::Referrer(),
content::PAGE_TRANSITION_AUTO_TOPLEVEL,
std::string());
}
return;
}
// The "report error" and "show diagnostic" commands can have a number
// appended to them, which is the index of the element they apply to.
int element_index = 0;
size_t colon_index = command.find(':');
if (colon_index != std::string::npos) {
DCHECK(colon_index < command.size() - 1);
bool result = base::StringToInt(base::StringPiece(command.begin() +
colon_index + 1,
command.end()),
&element_index);
command = command.substr(0, colon_index);
DCHECK(result);
}
if (element_index >= static_cast<int>(unsafe_resources_.size())) {
NOTREACHED();
return;
}
std::string bad_url_spec = unsafe_resources_[element_index].url.spec();
if (command == kReportErrorCommand) {
// User pressed "Report error" for a phishing site.
// Note that we cannot just put a link in the interstitial at this point.
// It is not OK to navigate in the context of an interstitial page.
SafeBrowsingService::UrlCheckResult threat_type =
unsafe_resources_[element_index].threat_type;
DCHECK(threat_type == SafeBrowsingService::URL_PHISHING ||
threat_type == SafeBrowsingService::CLIENT_SIDE_PHISHING_URL);
GURL report_url =
safe_browsing_util::GeneratePhishingReportUrl(
kSbReportPhishingErrorUrl,
bad_url_spec,
threat_type == SafeBrowsingService::CLIENT_SIDE_PHISHING_URL);
OpenURLParams params(
report_url, Referrer(), CURRENT_TAB, content::PAGE_TRANSITION_LINK,
false);
web_contents_->OpenURL(params);
return;
}
if (command == kShowDiagnosticCommand) {
// We're going to take the user to Google's SafeBrowsing diagnostic page.
std::string diagnostic =
base::StringPrintf(kSbDiagnosticUrl,
net::EscapeQueryParamValue(bad_url_spec, true).c_str());
GURL diagnostic_url(diagnostic);
diagnostic_url = google_util::AppendGoogleLocaleParam(diagnostic_url);
DCHECK(unsafe_resources_[element_index].threat_type ==
SafeBrowsingService::URL_MALWARE);
OpenURLParams params(
diagnostic_url, Referrer(), CURRENT_TAB, content::PAGE_TRANSITION_LINK,
false);
web_contents_->OpenURL(params);
return;
}
if (command == kExpandedSeeMore) {
// User expanded the "see more info" section of the page. We don't actually
// do any action based on this, it's just so that RecordUserReactionTime can
// track it.
return;
}
NOTREACHED() << "Unexpected command: " << command;
}
void SafeBrowsingBlockingPage::OverrideRendererPrefs(
content::RendererPreferences* prefs) {
Profile* profile = Profile::FromBrowserContext(
web_contents_->GetBrowserContext());
renderer_preferences_util::UpdateFromSystemSettings(prefs, profile);
}
void SafeBrowsingBlockingPage::SetReportingPreference(bool report) {
Profile* profile = Profile::FromBrowserContext(
web_contents_->GetBrowserContext());
PrefService* pref = profile->GetPrefs();
pref->SetBoolean(prefs::kSafeBrowsingReportingEnabled, report);
}
void SafeBrowsingBlockingPage::OnProceed() {
proceeded_ = true;
RecordUserAction(PROCEED);
// Send the malware details, if we opted to.
FinishMalwareDetails(malware_details_proceed_delay_ms_);
NotifySafeBrowsingService(sb_service_, unsafe_resources_, true);
// Check to see if some new notifications of unsafe resources have been
// received while we were showing the interstitial.
UnsafeResourceMap* unsafe_resource_map = GetUnsafeResourcesMap();
UnsafeResourceMap::iterator iter = unsafe_resource_map->find(web_contents_);
SafeBrowsingBlockingPage* blocking_page = NULL;
if (iter != unsafe_resource_map->end() && !iter->second.empty()) {
// Build an interstitial for all the unsafe resources notifications.
// Don't show it now as showing an interstitial while an interstitial is
// already showing would cause DontProceed() to be invoked.
blocking_page = factory_->CreateSafeBrowsingPage(sb_service_, web_contents_,
iter->second);
unsafe_resource_map->erase(iter);
}
// Now that this interstitial is gone, we can show the new one.
if (blocking_page)
blocking_page->interstitial_page_->Show();
}
void SafeBrowsingBlockingPage::OnDontProceed() {
// Calling this method twice will not double-count.
RecordUserReactionTime(kNavigatedAwayMetaCommand);
// We could have already called Proceed(), in which case we must not notify
// the SafeBrowsingService again, as the client has been deleted.
if (proceeded_)
return;
RecordUserAction(DONT_PROCEED);
// Send the malware details, if we opted to.
FinishMalwareDetails(0); // No delay
NotifySafeBrowsingService(sb_service_, unsafe_resources_, false);
// The user does not want to proceed, clear the queued unsafe resources
// notifications we received while the interstitial was showing.
UnsafeResourceMap* unsafe_resource_map = GetUnsafeResourcesMap();
UnsafeResourceMap::iterator iter = unsafe_resource_map->find(web_contents_);
if (iter != unsafe_resource_map->end() && !iter->second.empty()) {
NotifySafeBrowsingService(sb_service_, iter->second, false);
unsafe_resource_map->erase(iter);
}
// We don't remove the navigation entry if the tab is being destroyed as this
// would trigger a navigation that would cause trouble as the render view host
// for the tab has by then already been destroyed. We also don't delete the
// current entry if it has been committed again, which is possible on a page
// that had a subresource warning.
int last_committed_index =
web_contents_->GetController().GetLastCommittedEntryIndex();
if (navigation_entry_index_to_remove_ != -1 &&
navigation_entry_index_to_remove_ != last_committed_index &&
!web_contents_->IsBeingDestroyed()) {
web_contents_->GetController().RemoveEntryAtIndex(
navigation_entry_index_to_remove_);
navigation_entry_index_to_remove_ = -1;
}
}
void SafeBrowsingBlockingPage::RecordUserAction(BlockingPageEvent event) {
// This enum is used for a histogram. Don't reorder, delete, or insert
// elements. New elements should be added before MAX_ACTION only.
enum {
MALWARE_SHOW = 0,
MALWARE_DONT_PROCEED,
MALWARE_FORCED_DONT_PROCEED,
MALWARE_PROCEED,
MULTIPLE_SHOW,
MULTIPLE_DONT_PROCEED,
MULTIPLE_FORCED_DONT_PROCEED,
MULTIPLE_PROCEED,
PHISHING_SHOW,
PHISHING_DONT_PROCEED,
PHISHING_FORCED_DONT_PROCEED,
PHISHING_PROCEED,
MAX_ACTION
} histogram_action = MAX_ACTION;
switch (event) {
case SHOW:
switch (interstitial_type_) {
case TYPE_MALWARE_AND_PHISHING:
histogram_action = MULTIPLE_SHOW;
break;
case TYPE_MALWARE:
histogram_action = MALWARE_SHOW;
break;
case TYPE_PHISHING:
histogram_action = PHISHING_SHOW;
break;
}
break;
case PROCEED:
switch (interstitial_type_) {
case TYPE_MALWARE_AND_PHISHING:
histogram_action = MULTIPLE_PROCEED;
break;
case TYPE_MALWARE:
histogram_action = MALWARE_PROCEED;
break;
case TYPE_PHISHING:
histogram_action = PHISHING_PROCEED;
break;
}
break;
case DONT_PROCEED:
if (IsPrefEnabled(prefs::kSafeBrowsingProceedAnywayDisabled)) {
switch (interstitial_type_) {
case TYPE_MALWARE_AND_PHISHING:
histogram_action = MULTIPLE_FORCED_DONT_PROCEED;
break;
case TYPE_MALWARE:
histogram_action = MALWARE_FORCED_DONT_PROCEED;
break;
case TYPE_PHISHING:
histogram_action = PHISHING_FORCED_DONT_PROCEED;
break;
}
} else {
switch (interstitial_type_) {
case TYPE_MALWARE_AND_PHISHING:
histogram_action = MULTIPLE_DONT_PROCEED;
break;
case TYPE_MALWARE:
histogram_action = MALWARE_DONT_PROCEED;
break;
case TYPE_PHISHING:
histogram_action = PHISHING_DONT_PROCEED;
break;
}
}
break;
default:
NOTREACHED() << "Unexpected event: " << event;
}
if (histogram_action == MAX_ACTION) {
NOTREACHED();
} else {
UMA_HISTOGRAM_ENUMERATION("SB2.InterstitialAction", histogram_action,
MAX_ACTION);
UMA_HISTOGRAM_ENUMERATION(
base::FieldTrial::MakeName("SB2.InterstitialAction", "SBInterstitial"),
histogram_action,
MAX_ACTION);
}
// TODO(mattm): now that we've added the histogram above, should we remove
// this old user metric at some future point?
std::string action = "SBInterstitial";
switch (interstitial_type_) {
case TYPE_MALWARE_AND_PHISHING:
action.append("Multiple");
break;
case TYPE_MALWARE:
action.append("Malware");
break;
case TYPE_PHISHING:
action.append("Phishing");
break;
}
switch (event) {
case SHOW:
action.append("Show");
break;
case PROCEED:
action.append("Proceed");
break;
case DONT_PROCEED:
if (IsPrefEnabled(prefs::kSafeBrowsingProceedAnywayDisabled))
action.append("ForcedDontProceed");
else
action.append("DontProceed");
break;
default:
NOTREACHED() << "Unexpected event: " << event;
}
std::string field_trial_action;
if (base::FieldTrialList::FindFullName("SBInterstitial") == "V2")
field_trial_action = action + "_V2";
else
field_trial_action = action + "_V1";
content::RecordComputedAction(action);
content::RecordComputedAction(field_trial_action);
}
void SafeBrowsingBlockingPage::RecordUserReactionTime(
const std::string& command) {
if (interstitial_show_time_.is_null())
return; // We already reported the user reaction time.
base::TimeDelta dt = base::TimeTicks::Now() - interstitial_show_time_;
DVLOG(1) << "User reaction time for command:" << command
<< " on interstitial_type_:" << interstitial_type_
<< " warning took " << dt.InMilliseconds() << "ms";
bool recorded = true;
if (interstitial_type_ == TYPE_MALWARE ||
interstitial_type_ == TYPE_MALWARE_AND_PHISHING) {
// There are six ways in which the malware interstitial can go
// away. We handle all of them here but we group two together: closing the
// tag / browser window and clicking on the back button in the browser (not
// the big green button) are considered the same action.
if (command == kProceedCommand) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.MalwareInterstitialTimeProceed", dt);
UMA_HISTOGRAM_MEDIUM_TIMES(base::FieldTrial::MakeName(
"SB2.MalwareInterstitialTimeProceed", "SBInterstitial"), dt);
} else if (command == kTakeMeBackCommand) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.MalwareInterstitialTimeTakeMeBack", dt);
UMA_HISTOGRAM_MEDIUM_TIMES(base::FieldTrial::MakeName(
"SB2.MalwareInterstitialTimeTakeMeBack", "SBInterstitial"), dt);
} else if (command == kShowDiagnosticCommand) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.MalwareInterstitialTimeDiagnostic", dt);
UMA_HISTOGRAM_MEDIUM_TIMES(base::FieldTrial::MakeName(
"SB2.MalwareInterstitialTimeDiagnostic", "SBInterstitial"), dt);
} else if (command == kShowPrivacyCommand) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.MalwareInterstitialTimePrivacyPolicy",
dt);
UMA_HISTOGRAM_MEDIUM_TIMES(base::FieldTrial::MakeName(
"SB2.MalwareInterstitialTimePrivacyPolicy", "SBInterstitial"), dt);
} else if (command == kLearnMoreCommand || command == kLearnMoreCommandV2) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.MalwareInterstitialLearnMore",
dt);
UMA_HISTOGRAM_MEDIUM_TIMES(base::FieldTrial::MakeName(
"SB2.MalwareInterstitialLearnMore", "SBInterstitial"), dt);
} else if (command == kNavigatedAwayMetaCommand) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.MalwareInterstitialTimeClosed", dt);
UMA_HISTOGRAM_MEDIUM_TIMES(base::FieldTrial::MakeName(
"SB2.MalwareInterstitialTimeClosed", "SBInterstitial"), dt);
} else if (command == kExpandedSeeMore) {
// Only record the expanded histogram once per display of the
// interstitial.
if (has_expanded_see_more_section_)
return;
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.MalwareInterstitialTimeExpandedSeeMore",
dt);
has_expanded_see_more_section_ = true;
// Expanding the "See More" section doesn't finish the interstitial, so
// don't mark the reaction time as recorded.
recorded = false;
} else {
recorded = false;
}
} else {
// Same as above but for phishing warnings.
if (command == kProceedCommand) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.PhishingInterstitialTimeProceed", dt);
} else if (command == kTakeMeBackCommand) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.PhishingInterstitialTimeTakeMeBack", dt);
} else if (command == kShowDiagnosticCommand) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.PhishingInterstitialTimeReportError", dt);
} else if (command == kLearnMoreCommand || command == kLearnMoreCommandV2) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.PhishingInterstitialTimeLearnMore", dt);
} else if (command == kNavigatedAwayMetaCommand) {
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.PhishingInterstitialTimeClosed", dt);
} else if (command == kExpandedSeeMore) {
// Only record the expanded histogram once per display of the
// interstitial.
if (has_expanded_see_more_section_)
return;
UMA_HISTOGRAM_MEDIUM_TIMES("SB2.PhishingInterstitialTimeExpandedSeeMore",
dt);
has_expanded_see_more_section_ = true;
// Expanding the "See More" section doesn't finish the interstitial, so
// don't mark the reaction time as recorded.
recorded = false;
} else {
recorded = false;
}
}
if (recorded) // Making sure we don't double-count reaction times.
interstitial_show_time_ = base::TimeTicks(); // Resets the show time.
}
void SafeBrowsingBlockingPage::FinishMalwareDetails(int64 delay_ms) {
if (malware_details_ == NULL)
return; // Not all interstitials have malware details (eg phishing).
if (IsPrefEnabled(prefs::kSafeBrowsingReportingEnabled)) {
// Finish the malware details collection, send it over.
BrowserThread::PostDelayedTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&MalwareDetails::FinishCollection, malware_details_.get()),
base::TimeDelta::FromMilliseconds(delay_ms));
}
}
bool SafeBrowsingBlockingPage::IsPrefEnabled(const char* pref) {
Profile* profile =
Profile::FromBrowserContext(web_contents_->GetBrowserContext());
return profile->GetPrefs()->GetBoolean(pref);
}
// static
void SafeBrowsingBlockingPage::NotifySafeBrowsingService(
SafeBrowsingService* sb_service,
const UnsafeResourceList& unsafe_resources,
bool proceed) {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&SafeBrowsingService::OnBlockingPageDone,
sb_service, unsafe_resources, proceed));
}
// static
SafeBrowsingBlockingPage::UnsafeResourceMap*
SafeBrowsingBlockingPage::GetUnsafeResourcesMap() {
return g_unsafe_resource_map.Pointer();
}
// static
void SafeBrowsingBlockingPage::ShowBlockingPage(
SafeBrowsingService* sb_service,
const SafeBrowsingService::UnsafeResource& unsafe_resource) {
DVLOG(1) << __FUNCTION__ << " " << unsafe_resource.url.spec();
WebContents* web_contents = tab_util::GetWebContentsByID(
unsafe_resource.render_process_host_id, unsafe_resource.render_view_id);
InterstitialPage* interstitial =
InterstitialPage::GetInterstitialPage(web_contents);
if (interstitial && !unsafe_resource.is_subresource) {
// There is already an interstitial showing and we are about to display a
// new one for the main frame. Just hide the current one, it is now
// irrelevent
interstitial->DontProceed();
interstitial = NULL;
}
if (!interstitial) {
// There are no interstitial currently showing in that tab, go ahead and
// show this interstitial.
std::vector<SafeBrowsingService::UnsafeResource> resources;
resources.push_back(unsafe_resource);
// Set up the factory if this has not been done already (tests do that
// before this method is called).
if (!factory_)
factory_ = g_safe_browsing_blocking_page_factory_impl.Pointer();
SafeBrowsingBlockingPage* blocking_page =
factory_->CreateSafeBrowsingPage(sb_service, web_contents, resources);
blocking_page->interstitial_page_->Show();
return;
}
// This is an interstitial for a page's resource, let's queue it.
UnsafeResourceMap* unsafe_resource_map = GetUnsafeResourcesMap();
(*unsafe_resource_map)[web_contents].push_back(unsafe_resource);
}
// static
bool SafeBrowsingBlockingPage::IsMainPageLoadBlocked(
const UnsafeResourceList& unsafe_resources) {
// Client-side phishing detection interstitials never block the main frame
// load, since they happen after the page is finished loading.
if (unsafe_resources[0].threat_type ==
SafeBrowsingService::CLIENT_SIDE_PHISHING_URL) {
return false;
}
// Otherwise, check the threat type.
return unsafe_resources.size() == 1 && !unsafe_resources[0].is_subresource;
}
SafeBrowsingBlockingPageV1::SafeBrowsingBlockingPageV1(
SafeBrowsingService* sb_service,
WebContents* web_contents,
const UnsafeResourceList& unsafe_resources)
: SafeBrowsingBlockingPage(sb_service, web_contents, unsafe_resources) {
}
std::string SafeBrowsingBlockingPageV1::GetHTMLContents() {
// Load the HTML page and create the template components.
DictionaryValue strings;
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
std::string html;
if (unsafe_resources_.empty()) {
NOTREACHED();
return std::string();
}
if (unsafe_resources_.size() > 1) {
PopulateMultipleThreatStringDictionary(&strings);
html = rb.GetRawDataResource(
IDR_SAFE_BROWSING_MULTIPLE_THREAT_BLOCK,
ui::SCALE_FACTOR_NONE).as_string();
} else {
SafeBrowsingService::UrlCheckResult threat_type =
unsafe_resources_[0].threat_type;
if (threat_type == SafeBrowsingService::URL_MALWARE) {
PopulateMalwareStringDictionary(&strings);
html = rb.GetRawDataResource(
IDR_SAFE_BROWSING_MALWARE_BLOCK,
ui::SCALE_FACTOR_NONE).as_string();
} else { // Phishing.
DCHECK(threat_type == SafeBrowsingService::URL_PHISHING ||
threat_type == SafeBrowsingService::CLIENT_SIDE_PHISHING_URL);
PopulatePhishingStringDictionary(&strings);
html = rb.GetRawDataResource(
IDR_SAFE_BROWSING_PHISHING_BLOCK,
ui::SCALE_FACTOR_NONE).as_string();
}
}
interstitial_show_time_ = base::TimeTicks::Now();
return jstemplate_builder::GetTemplatesHtml(html, &strings, "template_root");
}
void SafeBrowsingBlockingPageV1::PopulateStringDictionary(
DictionaryValue* strings,
const string16& title,
const string16& headline,
const string16& description1,
const string16& description2,
const string16& description3) {
strings->SetString("title", title);
strings->SetString("headLine", headline);
strings->SetString("description1", description1);
strings->SetString("description2", description2);
strings->SetString("description3", description3);
strings->SetBoolean("proceedDisabled",
IsPrefEnabled(prefs::kSafeBrowsingProceedAnywayDisabled));
}
void SafeBrowsingBlockingPageV1::PopulateMultipleThreatStringDictionary(
DictionaryValue* strings) {
string16 malware_label =
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_LABEL);
string16 malware_link =
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_DIAGNOSTIC_PAGE);
string16 phishing_label =
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_LABEL);
string16 phishing_link =
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_REPORT_ERROR);
ListValue* error_strings = new ListValue;
for (UnsafeResourceList::const_iterator iter = unsafe_resources_.begin();
iter != unsafe_resources_.end(); ++iter) {
const SafeBrowsingService::UnsafeResource& resource = *iter;
SafeBrowsingService::UrlCheckResult threat_type = resource.threat_type;
DictionaryValue* current_error_strings = new DictionaryValue;
if (threat_type == SafeBrowsingService::URL_MALWARE) {
current_error_strings->SetString("type", "malware");
current_error_strings->SetString("typeLabel", malware_label);
current_error_strings->SetString("errorLink", malware_link);
} else {
DCHECK(threat_type == SafeBrowsingService::URL_PHISHING ||
threat_type == SafeBrowsingService::CLIENT_SIDE_PHISHING_URL);
current_error_strings->SetString("type", "phishing");
current_error_strings->SetString("typeLabel", phishing_label);
current_error_strings->SetString("errorLink", phishing_link);
}
current_error_strings->SetString("url", resource.url.spec());
error_strings->Append(current_error_strings);
}
strings->Set("errors", error_strings);
switch (interstitial_type_) {
case TYPE_MALWARE_AND_PHISHING:
PopulateStringDictionary(
strings,
// Use the malware headline, it is the scariest one.
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MULTI_THREAT_TITLE),
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_HEADLINE),
l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MULTI_THREAT_DESCRIPTION1,
UTF8ToUTF16(web_contents_->GetURL().host())),
l10n_util::GetStringUTF16(
IDS_SAFE_BROWSING_MULTI_THREAT_DESCRIPTION2),
string16());
break;
case TYPE_MALWARE:
PopulateStringDictionary(
strings,
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_TITLE),
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_HEADLINE),
l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MULTI_MALWARE_DESCRIPTION1,
UTF8ToUTF16(web_contents_->GetURL().host())),
l10n_util::GetStringUTF16(
IDS_SAFE_BROWSING_MULTI_MALWARE_DESCRIPTION2),
l10n_util::GetStringUTF16(
IDS_SAFE_BROWSING_MULTI_MALWARE_DESCRIPTION3));
break;
case TYPE_PHISHING:
PopulateStringDictionary(
strings,
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_TITLE),
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_HEADLINE),
l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MULTI_PHISHING_DESCRIPTION1,
UTF8ToUTF16(web_contents_->GetURL().host())),
string16(),
string16());
break;
}
strings->SetString("confirm_text",
l10n_util::GetStringUTF16(
IDS_SAFE_BROWSING_MULTI_MALWARE_DESCRIPTION_AGREE));
strings->SetString("continue_button",
l10n_util::GetStringUTF16(
IDS_SAFE_BROWSING_MULTI_MALWARE_PROCEED_BUTTON));
strings->SetString("back_button",
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_BACK_BUTTON));
strings->SetString("textdirection", base::i18n::IsRTL() ? "rtl" : "ltr");
}
void SafeBrowsingBlockingPageV1::PopulateMalwareStringDictionary(
DictionaryValue* strings) {
std::string diagnostic_link = base::StringPrintf(kSbDiagnosticHtml,
l10n_util::GetStringUTF8(
IDS_SAFE_BROWSING_MALWARE_DIAGNOSTIC_PAGE).c_str());
// Check to see if we're blocking the main page, or a sub-resource on the
// main page.
string16 description1, description3, description5;
if (is_main_frame_load_blocked_) {
description1 = l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MALWARE_DESCRIPTION1, UTF8ToUTF16(url_.host()));
} else {
description1 = l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MALWARE_DESCRIPTION4,
UTF8ToUTF16(web_contents_->GetURL().host()),
UTF8ToUTF16(url_.host()));
}
std::string proceed_link = base::StringPrintf(kPLinkHtml,
l10n_util::GetStringUTF8(IDS_SAFE_BROWSING_MALWARE_PROCEED_LINK).c_str());
description3 =
l10n_util::GetStringFUTF16(IDS_SAFE_BROWSING_MALWARE_DESCRIPTION3,
UTF8ToUTF16(proceed_link));
PopulateStringDictionary(
strings,
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_TITLE),
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_HEADLINE),
description1,
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_DESCRIPTION2),
description3);
description5 =
l10n_util::GetStringFUTF16(IDS_SAFE_BROWSING_MALWARE_DESCRIPTION5,
UTF8ToUTF16(url_.host()),
UTF8ToUTF16(url_.host()),
UTF8ToUTF16(diagnostic_link));
strings->SetString("description5", description5);
strings->SetString("back_button",
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_BACK_BUTTON));
strings->SetString("proceed_link",
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_PROCEED_LINK));
strings->SetString("textdirection", base::i18n::IsRTL() ? "rtl" : "ltr");
if (!CanShowMalwareDetailsOption()) {
strings->SetBoolean(kDisplayCheckBox, false);
} else {
// Show the checkbox for sending malware details.
strings->SetBoolean(kDisplayCheckBox, true);
std::string privacy_link = base::StringPrintf(
kPrivacyLinkHtml,
l10n_util::GetStringUTF8(
IDS_SAFE_BROWSING_PRIVACY_POLICY_PAGE).c_str());
strings->SetString("confirm_text",
l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MALWARE_REPORTING_AGREE,
UTF8ToUTF16(privacy_link)));
if (IsPrefEnabled(prefs::kSafeBrowsingReportingEnabled))
strings->SetString(kBoxChecked, "yes");
else
strings->SetString(kBoxChecked, "");
}
}
void SafeBrowsingBlockingPageV1::PopulatePhishingStringDictionary(
DictionaryValue* strings) {
std::string proceed_link = base::StringPrintf(
kPLinkHtml,
l10n_util::GetStringUTF8(
IDS_SAFE_BROWSING_PHISHING_PROCEED_LINK).c_str());
string16 description3 = l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_PHISHING_DESCRIPTION3,
UTF8ToUTF16(proceed_link));
PopulateStringDictionary(
strings,
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_TITLE),
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_HEADLINE),
l10n_util::GetStringFUTF16(IDS_SAFE_BROWSING_PHISHING_DESCRIPTION1,
UTF8ToUTF16(url_.host())),
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_DESCRIPTION2),
description3);
strings->SetString("back_button",
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_BACK_BUTTON));
strings->SetString("report_error",
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_REPORT_ERROR));
strings->SetString("textdirection", base::i18n::IsRTL() ? "rtl" : "ltr");
}
SafeBrowsingBlockingPageV2::SafeBrowsingBlockingPageV2(
SafeBrowsingService* sb_service,
WebContents* web_contents,
const UnsafeResourceList& unsafe_resources)
: SafeBrowsingBlockingPage(sb_service, web_contents, unsafe_resources) {
}
std::string SafeBrowsingBlockingPageV2::GetHTMLContents() {
// Load the HTML page and create the template components.
DictionaryValue strings;
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
std::string html;
if (unsafe_resources_.empty()) {
NOTREACHED();
return std::string();
}
if (unsafe_resources_.size() > 1) {
NOTREACHED();
} else {
SafeBrowsingService::UrlCheckResult threat_type =
unsafe_resources_[0].threat_type;
if (threat_type == SafeBrowsingService::URL_MALWARE) {
PopulateMalwareStringDictionary(&strings);
} else { // Phishing.
DCHECK(threat_type == SafeBrowsingService::URL_PHISHING ||
threat_type == SafeBrowsingService::CLIENT_SIDE_PHISHING_URL);
PopulatePhishingStringDictionary(&strings);
}
html = rb.GetRawDataResource(IDR_SAFE_BROWSING_MALWARE_BLOCK_V2,
ui::SCALE_FACTOR_NONE).as_string();
}
interstitial_show_time_ = base::TimeTicks::Now();
return jstemplate_builder::GetTemplatesHtml(html, &strings, "template-root");
}
void SafeBrowsingBlockingPageV2::PopulateStringDictionary(
DictionaryValue* strings,
const string16& title,
const string16& headline,
const string16& description1,
const string16& description2,
const string16& description3) {
strings->SetString("title", title);
strings->SetString("headLine", headline);
strings->SetString("description1", description1);
strings->SetString("description2", description2);
strings->SetString("description3", description3);
strings->SetBoolean("proceedDisabled",
IsPrefEnabled(prefs::kSafeBrowsingProceedAnywayDisabled));
strings->SetBoolean("isMainFrame", is_main_frame_load_blocked_);
strings->SetBoolean("isPhishing", interstitial_type_ == TYPE_PHISHING);
strings->SetString("back_button",
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_BACK_BUTTON));
strings->SetString("seeMore", l10n_util::GetStringUTF16(
IDS_SAFE_BROWSING_MALWARE_V2_SEE_MORE));
strings->SetString("proceed",
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_V2_PROCEED_LINK));
ChromeURLDataManager::DataSource::SetFontAndTextDirection(strings);
}
void SafeBrowsingBlockingPageV2::PopulateMultipleThreatStringDictionary(
DictionaryValue* strings) {
NOTREACHED();
}
void SafeBrowsingBlockingPageV2::PopulateMalwareStringDictionary(
DictionaryValue* strings) {
std::string diagnostic_link = base::StringPrintf(kSbDiagnosticHtml,
l10n_util::GetStringUTF8(
IDS_SAFE_BROWSING_MALWARE_DIAGNOSTIC_PAGE).c_str());
// Check to see if we're blocking the main page, or a sub-resource on the
// main page.
string16 headline, description1, description2, description3;
description3 = l10n_util::GetStringUTF16(
IDS_SAFE_BROWSING_MALWARE_V2_DESCRIPTION3);
if (is_main_frame_load_blocked_) {
headline = l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_V2_HEADLINE);
description1 = l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MALWARE_V2_DESCRIPTION1,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
UTF8ToUTF16(url_.host()));
description2 = l10n_util::GetStringUTF16(
IDS_SAFE_BROWSING_MALWARE_V2_DESCRIPTION2);
strings->SetString("details", l10n_util::GetStringUTF16(
IDS_SAFE_BROWSING_MALWARE_V2_DETAILS));
} else {
headline = l10n_util::GetStringUTF16(
IDS_SAFE_BROWSING_MALWARE_V2_HEADLINE_SUBRESOURCE);
description1 = l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MALWARE_V2_DESCRIPTION1_SUBRESOURCE,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
UTF8ToUTF16(web_contents_->GetURL().host()));
description2 = l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MALWARE_V2_DESCRIPTION2_SUBRESOURCE,
UTF8ToUTF16(url_.host()));
strings->SetString("details", l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MALWARE_V2_DETAILS_SUBRESOURCE,
UTF8ToUTF16(url_.host())));
}
PopulateStringDictionary(
strings,
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_V2_TITLE),
headline,
description1,
description2,
description3);
if (!CanShowMalwareDetailsOption()) {
strings->SetBoolean(kDisplayCheckBox, false);
strings->SetString("confirm_text", "");
strings->SetString(kBoxChecked, "");
} else {
// Show the checkbox for sending malware details.
strings->SetBoolean(kDisplayCheckBox, true);
std::string privacy_link = base::StringPrintf(
kPrivacyLinkHtml,
l10n_util::GetStringUTF8(
IDS_SAFE_BROWSING_PRIVACY_POLICY_PAGE_V2).c_str());
strings->SetString("confirm_text",
l10n_util::GetStringFUTF16(
IDS_SAFE_BROWSING_MALWARE_V2_REPORTING_AGREE,
UTF8ToUTF16(privacy_link)));
if (IsPrefEnabled(prefs::kSafeBrowsingReportingEnabled))
strings->SetString(kBoxChecked, "yes");
else
strings->SetString(kBoxChecked, "");
}
strings->SetString("report_error", string16());
strings->SetString("learnMore",
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_V2_LEARN_MORE));
}
void SafeBrowsingBlockingPageV2::PopulatePhishingStringDictionary(
DictionaryValue* strings) {
PopulateStringDictionary(
strings,
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_V2_TITLE),
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_V2_HEADLINE),
l10n_util::GetStringFUTF16(IDS_SAFE_BROWSING_PHISHING_V2_DESCRIPTION1,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
UTF8ToUTF16(url_.host())),
string16(),
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_V2_DESCRIPTION2));
strings->SetString("details", "");
strings->SetString("confirm_text", "");
strings->SetString(kBoxChecked, "");
strings->SetString("report_error",
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_PHISHING_V2_REPORT_ERROR));
strings->SetBoolean(kDisplayCheckBox, false);
strings->SetString("learnMore",
l10n_util::GetStringUTF16(IDS_SAFE_BROWSING_MALWARE_V2_LEARN_MORE));
}