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// Copyright (c) 2006-2008 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 "chrome/app/locales/locale_settings.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browser_resources.h"
#include "chrome/browser/dom_operation_notification_details.h"
#include "chrome/browser/dom_ui/new_tab_ui.h"
#include "chrome/browser/google_util.h"
#include "chrome/browser/safe_browsing/safe_browsing_service.h"
#include "chrome/browser/tab_contents/navigation_controller.h"
#include "chrome/browser/tab_contents/navigation_entry.h"
#include "chrome/browser/tab_contents/tab_util.h"
#include "chrome/browser/tab_contents/web_contents.h"
#include "chrome/common/jstemplate_builder.h"
#include "chrome/common/l10n_util.h"
#include "chrome/common/resource_bundle.h"
#include "generated_resources.h"
#include "net/base/escape.h"
// 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 kSbReportPhishingUrl =
"http://www.google.com/safebrowsing/report_error/";
static const wchar_t* const kSbDiagnosticHtml =
L"<a href=\"\" onClick=\"sendCommand(4); return false;\" onMouseDown=\"return false;\">%ls</a>";
SafeBrowsingBlockingPage::SafeBrowsingBlockingPage(
SafeBrowsingService* sb_service,
const SafeBrowsingService::BlockingPageParam& param)
: InterstitialPage(tab_util::GetWebContentsByID(
param.render_process_host_id, param.render_view_id),
param.resource_type == ResourceType::MAIN_FRAME,
param.url),
sb_service_(sb_service),
client_(param.client),
render_process_host_id_(param.render_process_host_id),
render_view_id_(param.render_view_id),
result_(param.result),
proceed_(false),
did_notify_(false),
is_main_frame_(param.resource_type == ResourceType::MAIN_FRAME) {
if (!is_main_frame_) {
navigation_entry_index_to_remove_ =
tab()->controller()->GetLastCommittedEntryIndex();
} else {
navigation_entry_index_to_remove_ = -1;
}
}
SafeBrowsingBlockingPage::~SafeBrowsingBlockingPage() {
}
std::string SafeBrowsingBlockingPage::GetHTMLContents() {
// Load the HTML page and create the template components.
DictionaryValue strings;
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
std::string html;
if (result_ == SafeBrowsingService::URL_MALWARE) {
std::wstring link = StringPrintf(kSbDiagnosticHtml,
l10n_util::GetString(IDS_SAFE_BROWSING_MALWARE_DIAGNOSTIC_PAGE).
c_str());
strings.SetString(L"badURL", UTF8ToWide(url().host()));
strings.SetString(L"title",
l10n_util::GetString(IDS_SAFE_BROWSING_MALWARE_TITLE));
strings.SetString(L"headLine",
l10n_util::GetString(IDS_SAFE_BROWSING_MALWARE_HEADLINE));
// Check to see if we're blocking the main page, or a sub-resource on the
// main page.
if (is_main_frame_) {
strings.SetString(L"description1",
l10n_util::GetStringF(IDS_SAFE_BROWSING_MALWARE_DESCRIPTION1,
UTF8ToWide(url().host())));
strings.SetString(L"description2",
l10n_util::GetStringF(IDS_SAFE_BROWSING_MALWARE_DESCRIPTION2,
link,
UTF8ToWide(url().host())));
} else {
strings.SetString(L"description1",
l10n_util::GetStringF(IDS_SAFE_BROWSING_MALWARE_DESCRIPTION4,
UTF8ToWide(tab()->GetURL().host()),
UTF8ToWide(url().host())));
strings.SetString(L"description2",
l10n_util::GetStringF(IDS_SAFE_BROWSING_MALWARE_DESCRIPTION5,
link,
UTF8ToWide(url().host())));
}
strings.SetString(L"description3",
l10n_util::GetString(IDS_SAFE_BROWSING_MALWARE_DESCRIPTION3));
strings.SetString(L"confirm_text",
l10n_util::GetString(IDS_SAFE_BROWSING_MALWARE_DESCRIPTION_AGREE));
strings.SetString(L"continue_button",
l10n_util::GetString(IDS_SAFE_BROWSING_MALWARE_PROCEED_BUTTON));
strings.SetString(L"back_button",
l10n_util::GetString(IDS_SAFE_BROWSING_MALWARE_BACK_BUTTON));
strings.SetString(L"textdirection",
(l10n_util::GetTextDirection() == l10n_util::RIGHT_TO_LEFT) ?
L"rtl" : L"ltr");
html = rb.GetDataResource(IDR_SAFE_BROWSING_MALWARE_BLOCK);
} else { // Phishing.
strings.SetString(L"title",
l10n_util::GetString(IDS_SAFE_BROWSING_PHISHING_TITLE));
strings.SetString(L"headLine",
l10n_util::GetString(IDS_SAFE_BROWSING_PHISHING_HEADLINE));
strings.SetString(L"description1",
l10n_util::GetStringF(IDS_SAFE_BROWSING_PHISHING_DESCRIPTION1,
UTF8ToWide(url().host())));
strings.SetString(L"description2",
l10n_util::GetStringF(IDS_SAFE_BROWSING_PHISHING_DESCRIPTION2,
UTF8ToWide(url().host())));
strings.SetString(L"continue_button",
l10n_util::GetString(IDS_SAFE_BROWSING_PHISHING_PROCEED_BUTTON));
strings.SetString(L"back_button",
l10n_util::GetString(IDS_SAFE_BROWSING_PHISHING_BACK_BUTTON));
strings.SetString(L"report_error",
l10n_util::GetString(IDS_SAFE_BROWSING_PHISHING_REPORT_ERROR));
strings.SetString(L"textdirection",
(l10n_util::GetTextDirection() == l10n_util::RIGHT_TO_LEFT) ?
L"rtl" : L"ltr");
html = rb.GetDataResource(IDR_SAFE_BROWSING_PHISHING_BLOCK);
}
return jstemplate_builder::GetTemplateHtml(html, &strings, "template_root");
}
void SafeBrowsingBlockingPage::CommandReceived(const std::string& command) {
if (command == "2") {
// User pressed "Learn more".
GURL url;
if (result_ == SafeBrowsingService::URL_MALWARE) {
url = GURL(l10n_util::GetString(IDS_LEARN_MORE_MALWARE_URL));
} else if (result_ == SafeBrowsingService::URL_PHISHING) {
url = GURL(l10n_util::GetString(IDS_LEARN_MORE_PHISHING_URL));
} else {
NOTREACHED();
}
tab()->OpenURL(url, GURL(), CURRENT_TAB, PageTransition::LINK);
return;
}
if (command == "3") {
// 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.
DCHECK(result_ == SafeBrowsingService::URL_PHISHING);
GURL report_url =
safe_browsing_util::GeneratePhishingReportUrl(kSbReportPhishingUrl,
url().spec());
Hide();
tab()->OpenURL(report_url, GURL(), CURRENT_TAB, PageTransition::LINK);
return;
}
if (command == "4") {
// We're going to take the user to Google's SafeBrowsing diagnostic page.
std::string diagnostic =
StringPrintf(kSbDiagnosticUrl,
EscapeQueryParamValue(url().spec()).c_str());
GURL diagnostic_url(diagnostic);
diagnostic_url = google_util::AppendGoogleLocaleParam(diagnostic_url);
DCHECK(result_ == SafeBrowsingService::URL_MALWARE);
tab()->OpenURL(diagnostic_url, GURL(), CURRENT_TAB, PageTransition::LINK);
return;
}
proceed_ = command == "1";
if (proceed_)
Proceed();
else
DontProceed();
NotifyDone();
}
void SafeBrowsingBlockingPage::DontProceed() {
if (navigation_entry_index_to_remove_ != -1) {
tab()->controller()->RemoveEntryAtIndex(navigation_entry_index_to_remove_,
NewTabUIURL());
}
InterstitialPage::DontProceed();
// We are now deleted.
}
void SafeBrowsingBlockingPage::NotifyDone() {
if (did_notify_)
return;
did_notify_ = true;
base::Thread* io_thread = g_browser_process->io_thread();
if (!io_thread)
return;
SafeBrowsingService::BlockingPageParam param;
param.url = url();
param.result = result_;
param.client = client_;
param.render_process_host_id = render_process_host_id_;
param.render_view_id = render_view_id_;
param.proceed = proceed_;
io_thread->message_loop()->PostTask(FROM_HERE, NewRunnableMethod(
sb_service_,
&SafeBrowsingService::OnBlockingPageDone,
param));
}
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