Add checkbox for reporting invalid TLS/SSL cert chains

chrome/browser/ssl/ssl_blocking_page.cc

Index: chrome/browser/ssl/ssl_blocking_page.cc
diff --git a/chrome/browser/ssl/ssl_blocking_page.cc b/chrome/browser/ssl/ssl_blocking_page.cc
index a56fa7d6018c75d25a072fbc0ecb15785d83af01..e5bfe29f4c85175af84522a2c3a535d707026ab6 100644
--- a/chrome/browser/ssl/ssl_blocking_page.cc
+++ b/chrome/browser/ssl/ssl_blocking_page.cc
@@ -4,12 +4,16 @@
 
 #include "chrome/browser/ssl/ssl_blocking_page.h"
 
+#include "base/bind.h"
+#include "base/bind_helpers.h"
 #include "base/build_time.h"
+#include "base/callback_helpers.h"
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
 #include "base/i18n/time_formatting.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
+#include "base/prefs/pref_service.h"
 #include "base/process/launch.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
@@ -20,14 +24,18 @@
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/net/certificate_error_reporter.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/renderer_preferences_util.h"
 #include "chrome/browser/ssl/ssl_error_classification.h"
 #include "chrome/browser/ssl/ssl_error_info.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/google/core/browser/google_util.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cert_store.h"
 #include "content/public/browser/interstitial_page.h"
 #include "content/public/browser/interstitial_page_delegate.h"
@@ -65,6 +73,8 @@
 
 using base::ASCIIToUTF16;
 using base::TimeTicks;
+using chrome_browser_net::CertificateErrorReporter;
+using content::BrowserThread;
 using content::InterstitialPage;
 using content::InterstitialPageDelegate;
 using content::NavigationController;
@@ -211,6 +221,20 @@ bool IsErrorDueToBadClock(const base::Time& now, int error) {
       SSLErrorClassification::IsUserClockInTheFuture(now);
 }
 
+// A helper function that actually sends the cert collection report over
+// the network.
+void FinishCertCollectionInternal(
+    const base::WeakPtr<CertificateErrorReporter>& reporter,
+    const std::string& hostname,
+    const net::SSLInfo& ssl_info) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  if (reporter) {
+    reporter->SendReport(
+        CertificateErrorReporter::REPORT_TYPE_EXTENDED_REPORTING, hostname,
+        ssl_info);
+  }
+}
+
 }  // namespace
 
 // static
@@ -437,6 +461,34 @@ void SSLBlockingPage::PopulateInterstitialStrings(
       &encoded_chain);
   load_time_data->SetString(
       "pem", JoinString(encoded_chain, std::string()));
+
+  PopulateExtendedReportingOption(load_time_data);
+}
+
+void SSLBlockingPage::PopulateExtendedReportingOption(
+    base::DictionaryValue* load_time_data) {
+  // Only show the checkbox if not off-the-record and if the
+  // command-line option is set.
+  const bool show = !web_contents()->GetBrowserContext()->IsOffTheRecord() &&
+                    base::CommandLine::ForCurrentProcess()->HasSwitch(
+                        switches::kEnableInvalidCertCollection);
+
+  load_time_data->SetBoolean(interstitials::kDisplayCheckBox, show);
+  if (!show)
+    return;
+
+  load_time_data->SetBoolean(
+      interstitials::kBoxChecked,
+      IsPrefEnabled(prefs::kSafeBrowsingExtendedReportingEnabled));
+
+  const std::string privacy_link = base::StringPrintf(
+      interstitials::kPrivacyLinkHtml, CMD_OPEN_REPORTING_PRIVACY,
+      l10n_util::GetStringUTF8(IDS_SAFE_BROWSING_PRIVACY_POLICY_PAGE).c_str());
+
+  load_time_data->SetString(
+      interstitials::kOptInLink,
+      l10n_util::GetStringFUTF16(IDS_SAFE_BROWSING_MALWARE_REPORTING_AGREE,
+                                 base::UTF8ToUTF16(privacy_link)));
 }
 
 void SSLBlockingPage::OverrideEntry(NavigationEntry* entry) {
@@ -468,6 +520,14 @@ void SSLBlockingPage::CommandReceived(const std::string& command) {
       }
       break;
     }
+    case CMD_DO_REPORT: {
+      SetReportingPreference(true);
+      break;
+    }
+    case CMD_DONT_REPORT: {
+      SetReportingPreference(false);
+      break;
+    }
     case CMD_SHOW_MORE_SECTION: {
       metrics_helper_->RecordUserInteraction(
           SecurityInterstitialMetricsHelper::SHOW_ADVANCED);
@@ -495,12 +555,13 @@ void SSLBlockingPage::CommandReceived(const std::string& command) {
       LaunchDateAndTimeSettings();
       break;
     }
+    case CMD_OPEN_REPORTING_PRIVACY:
+      metrics_helper_->RecordUserInteraction(
+          SecurityInterstitialMetricsHelper::SHOW_PRIVACY_POLICY);
+      OpenExtendedReportingPrivacyPolicy();
+      break;
     case CMD_OPEN_DIAGNOSTIC:
       // Google doesn't currently have a transparency report for SSL.
-    case CMD_DO_REPORT:
-    case CMD_DONT_REPORT:
-    case CMD_OPEN_REPORTING_PRIVACY:
-      // Chrome doesn't currently do Extended Reporting for SSL.
       NOTREACHED() << "Unexpected command: " << command;
   }
 }
@@ -516,6 +577,11 @@ void SSLBlockingPage::OverrideRendererPrefs(
 void SSLBlockingPage::OnProceed() {
   metrics_helper_->RecordUserDecision(
       SecurityInterstitialMetricsHelper::PROCEED);
+
+  // Finish collection information about invalid certificates, if the
+  // user opted in to.
+  FinishCertCollection();
+
   RecordSSLExpirationPageEventState(
       expired_but_previously_allowed_, true, overridable_);
   // Accepting the certificate resumes the loading of the page.
@@ -525,6 +591,11 @@ void SSLBlockingPage::OnProceed() {
 void SSLBlockingPage::OnDontProceed() {
   metrics_helper_->RecordUserDecision(
       SecurityInterstitialMetricsHelper::DONT_PROCEED);
+
+  // Finish collection information about invalid certificates, if the
+  // user opted in to.
+  FinishCertCollection();
+
   RecordSSLExpirationPageEventState(
       expired_but_previously_allowed_, false, overridable_);
   NotifyDenyCertificate();
@@ -572,6 +643,38 @@ std::string SSLBlockingPage::GetSamplingEventName() const {
   return event_name;
 }
 
+void SSLBlockingPage::FinishCertCollection() {
+  base::ScopedClosureRunner scoped_callback(
+      certificate_report_callback_for_testing_);
+
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableInvalidCertCollection) ||
+      web_contents()->GetBrowserContext()->IsOffTheRecord()) {
+    return;
+  }
+
+  const bool enabled =
+      IsPrefEnabled(prefs::kSafeBrowsingExtendedReportingEnabled);
+  UMA_HISTOGRAM_BOOLEAN("SB2.ExtendedReportingIsEnabled", enabled);
+
+  if (!enabled)
+    return;
+
+  if (certificate_report_callback_for_testing_.is_null())
+    scoped_callback.Reset(base::Bind(&base::DoNothing));
+
+  base::WeakPtr<CertificateErrorReporter> reporter =
+      ProfileIOData::FromResourceContext(
+          web_contents()->GetBrowserContext()->GetResourceContext())
+          ->certificate_error_reporter();
+
+  BrowserThread::PostTaskAndReply(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(FinishCertCollectionInternal, reporter, request_url().host(),
+                 ssl_info_),
+      scoped_callback.Release());
+}
+
 // static
 bool SSLBlockingPage::IsOptionsOverridable(int options_mask) {
   return (options_mask & SSLBlockingPage::OVERRIDABLE) &&