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// Copyright (c) 2010 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/ssl_blocking_page.h"
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "base/i18n/rtl.h"
#include "base/metrics/histogram.h"
#include "base/string_piece.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/cert_store.h"
#include "chrome/browser/dom_operation_notification_details.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/renderer_host/render_process_host.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/ssl/ssl_cert_error_handler.h"
#include "chrome/browser/ssl/ssl_error_info.h"
#include "chrome/browser/tab_contents/navigation_controller.h"
#include "chrome/browser/tab_contents/navigation_entry.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/common/jstemplate_builder.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/pref_names.h"
#include "grit/browser_resources.h"
#include "grit/generated_resources.h"
namespace {
enum SSLBlockingPageEvent {
SHOW,
PROCEED,
DONT_PROCEED,
UNUSED_ENUM,
};
void RecordSSLBlockingPageStats(SSLBlockingPageEvent event) {
UMA_HISTOGRAM_ENUMERATION("interstial.ssl", event, UNUSED_ENUM);
}
} // namespace
// Note that we always create a navigation entry with SSL errors.
// No error happening loading a sub-resource triggers an interstitial so far.
SSLBlockingPage::SSLBlockingPage(SSLCertErrorHandler* handler,
Delegate* delegate,
ErrorLevel error_level)
: InterstitialPage(handler->GetTabContents(), true, handler->request_url()),
handler_(handler),
delegate_(delegate),
delegate_has_been_notified_(false),
error_level_(error_level) {
RecordSSLBlockingPageStats(SHOW);
}
SSLBlockingPage::~SSLBlockingPage() {
if (!delegate_has_been_notified_) {
// The page is closed without the user having chosen what to do, default to
// deny.
NotifyDenyCertificate();
}
}
std::string SSLBlockingPage::GetHTMLContents() {
// Let's build the html error page.
DictionaryValue strings;
SSLErrorInfo error_info = delegate_->GetSSLErrorInfo(handler_);
strings.SetString("headLine", WideToUTF16Hack(error_info.title()));
strings.SetString("description", WideToUTF16Hack(error_info.details()));
strings.SetString("moreInfoTitle",
l10n_util::GetStringUTF16(IDS_CERT_ERROR_EXTRA_INFO_TITLE));
SetExtraInfo(&strings, error_info.extra_information());
int resource_id;
if (error_level_ == ERROR_OVERRIDABLE) {
resource_id = IDR_SSL_ROAD_BLOCK_HTML;
strings.SetString("title",
l10n_util::GetStringUTF16(IDS_SSL_BLOCKING_PAGE_TITLE));
strings.SetString("proceed",
l10n_util::GetStringUTF16(IDS_SSL_BLOCKING_PAGE_PROCEED));
strings.SetString("exit",
l10n_util::GetStringUTF16(IDS_SSL_BLOCKING_PAGE_EXIT));
} else {
DCHECK_EQ(error_level_, ERROR_FATAL);
resource_id = IDR_SSL_ERROR_HTML;
strings.SetString("title",
l10n_util::GetStringUTF16(IDS_SSL_ERROR_PAGE_TITLE));
strings.SetString("back",
l10n_util::GetStringUTF16(IDS_SSL_ERROR_PAGE_BACK));
}
strings.SetString("textdirection", base::i18n::IsRTL() ? "rtl" : "ltr");
base::StringPiece html(
ResourceBundle::GetSharedInstance().GetRawDataResource(resource_id));
return jstemplate_builder::GetI18nTemplateHtml(html, &strings);
}
void SSLBlockingPage::UpdateEntry(NavigationEntry* entry) {
const net::SSLInfo& ssl_info = handler_->ssl_info();
int cert_id = CertStore::GetInstance()->StoreCert(
ssl_info.cert, tab()->render_view_host()->process()->id());
entry->ssl().set_security_style(SECURITY_STYLE_AUTHENTICATION_BROKEN);
entry->ssl().set_cert_id(cert_id);
entry->ssl().set_cert_status(ssl_info.cert_status);
entry->ssl().set_security_bits(ssl_info.security_bits);
NotificationService::current()->Notify(
NotificationType::SSL_VISIBLE_STATE_CHANGED,
Source<NavigationController>(&tab()->controller()),
NotificationService::NoDetails());
}
void SSLBlockingPage::CommandReceived(const std::string& command) {
if (command == "1") {
Proceed();
} else {
DontProceed();
}
}
void SSLBlockingPage::Proceed() {
RecordSSLBlockingPageStats(PROCEED);
// Accepting the certificate resumes the loading of the page.
NotifyAllowCertificate();
// This call hides and deletes the interstitial.
InterstitialPage::Proceed();
}
void SSLBlockingPage::DontProceed() {
RecordSSLBlockingPageStats(DONT_PROCEED);
NotifyDenyCertificate();
InterstitialPage::DontProceed();
}
void SSLBlockingPage::NotifyDenyCertificate() {
DCHECK(!delegate_has_been_notified_);
delegate_->OnDenyCertificate(handler_);
delegate_has_been_notified_ = true;
}
void SSLBlockingPage::NotifyAllowCertificate() {
DCHECK(!delegate_has_been_notified_);
delegate_->OnAllowCertificate(handler_);
delegate_has_been_notified_ = true;
}
// static
void SSLBlockingPage::SetExtraInfo(
DictionaryValue* strings,
const std::vector<std::wstring>& extra_info) {
DCHECK(extra_info.size() < 5); // We allow 5 paragraphs max.
const char* keys[5] = {
"moreInfo1", "moreInfo2", "moreInfo3", "moreInfo4", "moreInfo5"
};
int i;
for (i = 0; i < static_cast<int>(extra_info.size()); i++) {
strings->SetString(keys[i], WideToUTF16Hack(extra_info[i]));
}
for (; i < 5; i++) {
strings->SetString(keys[i], "");
}
}
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