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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ssl/https_defaulted_callbacks.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ssl/https_only_mode_tab_helper.h"
#include "chrome/browser/ssl/typed_navigation_upgrade_throttle.h"
#include "components/omnibox/common/omnibox_features.h"
#include "components/security_interstitials/content/stateful_ssl_host_state_delegate.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/web_contents.h"
#include "url/gurl.h"
#include "url/url_constants.h"
bool ShouldIgnoreSslInterstitialBecauseNavigationDefaultedToHttps(
content::NavigationHandle* handle) {
DCHECK_EQ(url::kHttpsScheme, handle->GetURL().GetScheme());
// Check typed navigation upgrade status.
if (base::FeatureList::IsEnabled(omnibox::kDefaultTypedNavigationsToHttps) &&
TypedNavigationUpgradeThrottle::IsNavigationUsingHttpsAsDefaultScheme(
*handle)) {
return true;
}
// Check HTTPS-Only Mode upgrade status.
// Suppress any SSL errors if the navigation was upgraded to HTTPS by
// HTTPS-First Mode but it has not yet fallen back to HTTP. If the user
// already clicked through the HTTPS-First Mode interstitial then the SSL
// error should no longer be suppressed.
auto* https_only_mode_helper =
HttpsOnlyModeTabHelper::FromWebContents(handle->GetWebContents());
bool is_upgraded = https_only_mode_helper &&
https_only_mode_helper->is_navigation_upgraded();
Profile* profile = Profile::FromBrowserContext(
handle->GetWebContents()->GetBrowserContext());
if (!profile) {
// In the edge case of there not being a Profile associated with this
// navigation, fail safe by not suppressing SSL interstitials.
return false;
}
StatefulSSLHostStateDelegate* state =
static_cast<StatefulSSLHostStateDelegate*>(
profile->GetSSLHostStateDelegate());
bool is_allowlisted =
state && state->IsHttpAllowedForHost(handle->GetURL().GetHost(),
handle->GetWebContents()
->GetPrimaryMainFrame()
->GetStoragePartition());
return is_upgraded && !is_allowlisted;
}
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