| // Copyright 2017 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. |
| |
| #include "chrome/browser/ssl/mitm_software_blocking_page.h" |
| |
| #include <utility> |
| |
| #include "base/callback_helpers.h" |
| #include "chrome/browser/interstitials/chrome_metrics_helper.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/renderer_preferences_util.h" |
| #include "chrome/browser/ssl/cert_report_helper.h" |
| #include "chrome/browser/ssl/ssl_cert_reporter.h" |
| #include "chrome/browser/ssl/ssl_error_controller_client.h" |
| #include "components/safe_browsing/common/safe_browsing_prefs.h" |
| #include "components/security_interstitials/core/metrics_helper.h" |
| #include "components/security_interstitials/core/mitm_software_ui.h" |
| #include "content/public/browser/interstitial_page.h" |
| #include "content/public/browser/interstitial_page_delegate.h" |
| #include "content/public/browser/navigation_controller.h" |
| #include "content/public/browser/navigation_entry.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/browser/ssl_status.h" |
| #include "content/public/browser/web_contents.h" |
| #include "content/public/common/renderer_preferences.h" |
| #include "net/base/net_errors.h" |
| |
| using content::InterstitialPageDelegate; |
| using content::NavigationController; |
| using content::NavigationEntry; |
| |
| namespace { |
| |
| const char kMitmSoftwareMetricsName[] = "mitm_software"; |
| |
| std::unique_ptr<ChromeMetricsHelper> CreateMitmSoftwareMetricsHelper( |
| content::WebContents* web_contents, |
| const GURL& request_url) { |
| // Set up the metrics helper for the MITMSoftwareUI. |
| security_interstitials::MetricsHelper::ReportDetails reporting_info; |
| reporting_info.metric_prefix = kMitmSoftwareMetricsName; |
| std::unique_ptr<ChromeMetricsHelper> metrics_helper = |
| std::make_unique<ChromeMetricsHelper>(web_contents, request_url, |
| reporting_info); |
| metrics_helper.get()->StartRecordingCaptivePortalMetrics(false); |
| return metrics_helper; |
| } |
| |
| } // namespace |
| |
| // static |
| const InterstitialPageDelegate::TypeID |
| MITMSoftwareBlockingPage::kTypeForTesting = |
| &MITMSoftwareBlockingPage::kTypeForTesting; |
| |
| // Note that we always create a navigation entry with SSL errors. |
| // No error happening loading a sub-resource triggers an interstitial so far. |
| // Creating an interstitial without showing (e.g. from chrome://interstitials) |
| // it leaks memory, so don't create it here. |
| MITMSoftwareBlockingPage::MITMSoftwareBlockingPage( |
| content::WebContents* web_contents, |
| int cert_error, |
| const GURL& request_url, |
| std::unique_ptr<SSLCertReporter> ssl_cert_reporter, |
| const net::SSLInfo& ssl_info, |
| const std::string& mitm_software_name, |
| bool is_enterprise_managed, |
| const base::Callback<void(content::CertificateRequestResultType)>& callback) |
| : SSLBlockingPageBase( |
| web_contents, |
| cert_error, |
| CertificateErrorReport::INTERSTITIAL_MITM_SOFTWARE, |
| ssl_info, |
| request_url, |
| std::move(ssl_cert_reporter), |
| false /* overridable */, |
| base::Time::Now(), |
| std::make_unique<SSLErrorControllerClient>( |
| web_contents, |
| ssl_info, |
| cert_error, |
| request_url, |
| CreateMitmSoftwareMetricsHelper(web_contents, request_url))), |
| callback_(callback), |
| ssl_info_(ssl_info), |
| mitm_software_ui_( |
| new security_interstitials::MITMSoftwareUI(request_url, |
| cert_error, |
| ssl_info, |
| mitm_software_name, |
| is_enterprise_managed, |
| controller())) {} |
| |
| MITMSoftwareBlockingPage::~MITMSoftwareBlockingPage() { |
| if (!callback_.is_null()) { |
| // Deny when the page is closed. |
| NotifyDenyCertificate(); |
| } |
| } |
| |
| bool MITMSoftwareBlockingPage::ShouldCreateNewNavigation() const { |
| return true; |
| } |
| |
| InterstitialPageDelegate::TypeID MITMSoftwareBlockingPage::GetTypeForTesting() |
| const { |
| return MITMSoftwareBlockingPage::kTypeForTesting; |
| } |
| |
| void MITMSoftwareBlockingPage::PopulateInterstitialStrings( |
| base::DictionaryValue* load_time_data) { |
| mitm_software_ui_->PopulateStringsForHTML(load_time_data); |
| cert_report_helper()->PopulateExtendedReportingOption(load_time_data); |
| } |
| |
| void MITMSoftwareBlockingPage::OverrideEntry(NavigationEntry* entry) { |
| entry->GetSSL() = content::SSLStatus(ssl_info_); |
| } |
| |
| // This handles the commands sent from the interstitial JavaScript. |
| void MITMSoftwareBlockingPage::CommandReceived(const std::string& command) { |
| if (command == "\"pageLoadComplete\"") { |
| // content::WaitForRenderFrameReady sends this message when the page |
| // load completes. Ignore it. |
| return; |
| } |
| |
| int cmd = 0; |
| bool retval = base::StringToInt(command, &cmd); |
| DCHECK(retval); |
| |
| // Let the CertReportHelper handle commands first, This allows it to get set |
| // up to send reports, so that the report is populated properly if |
| // MITMSoftwareUI's command handling triggers a report to be sent. |
| cert_report_helper()->HandleReportingCommands( |
| static_cast<security_interstitials::SecurityInterstitialCommand>(cmd), |
| controller()->GetPrefService()); |
| mitm_software_ui_->HandleCommand( |
| static_cast<security_interstitials::SecurityInterstitialCommand>(cmd)); |
| } |
| |
| void MITMSoftwareBlockingPage::OverrideRendererPrefs( |
| content::RendererPreferences* prefs) { |
| Profile* profile = |
| Profile::FromBrowserContext(web_contents()->GetBrowserContext()); |
| renderer_preferences_util::UpdateFromSystemSettings(prefs, profile); |
| } |
| |
| void MITMSoftwareBlockingPage::OnDontProceed() { |
| OnInterstitialClosing(); |
| NotifyDenyCertificate(); |
| } |
| |
| void MITMSoftwareBlockingPage::NotifyDenyCertificate() { |
| // It's possible that callback_ may not exist if the user clicks "Proceed" |
| // followed by pressing the back button before the interstitial is hidden. |
| // In that case the certificate will still be treated as allowed. |
| if (callback_.is_null()) { |
| return; |
| } |
| |
| base::ResetAndReturn(&callback_) |
| .Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL); |
| } |