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// Copyright 2022 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/webauthn/android/webauthn_request_delegate_android.h"
#include <algorithm>
#include <iterator>
#include <memory>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/password_manager/android/grouped_affiliations/acknowledge_grouped_credential_sheet_controller.h"
#include "chrome/browser/password_manager/chrome_webauthn_credentials_delegate.h"
#include "chrome/browser/password_manager/chrome_webauthn_credentials_delegate_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/touch_to_fill/password_manager/touch_to_fill_controller.h"
#include "chrome/browser/touch_to_fill/password_manager/touch_to_fill_controller_webauthn_delegate.h"
#include "chrome/browser/webauthn/webauthn_metrics_util.h"
#include "components/password_manager/content/browser/content_password_manager_driver.h"
#include "components/password_manager/content/browser/keyboard_replacing_surface_visibility_controller_impl.h"
#include "components/password_manager/core/browser/origin_credential_store.h"
#include "components/password_manager/core/browser/passkey_credential.h"
#include "components/webauthn/android/webauthn_cred_man_delegate.h"
#include "components/webauthn/android/webauthn_cred_man_delegate_factory.h"
#include "content/public/browser/web_contents.h"
#include "device/fido/discoverable_credential_metadata.h"
using password_manager::ContentPasswordManagerDriver;
using password_manager::PasskeyCredential;
using webauthn::WebAuthnCredManDelegate;
using webauthn::WebAuthnCredManDelegateFactory;
// static
WebAuthnRequestDelegateAndroid*
WebAuthnRequestDelegateAndroid::GetRequestDelegate(
content::WebContents* web_contents) {
static constexpr char kWebAuthnRequestDelegateKey[] =
"ConditionalUiDelegateKey";
auto* delegate = static_cast<WebAuthnRequestDelegateAndroid*>(
web_contents->GetUserData(kWebAuthnRequestDelegateKey));
if (!delegate) {
auto new_user_data =
std::make_unique<WebAuthnRequestDelegateAndroid>(web_contents);
delegate = new_user_data.get();
web_contents->SetUserData(kWebAuthnRequestDelegateKey,
std::move(new_user_data));
}
return delegate;
}
WebAuthnRequestDelegateAndroid::WebAuthnRequestDelegateAndroid(
content::WebContents* web_contents)
: web_contents_(web_contents) {}
WebAuthnRequestDelegateAndroid::~WebAuthnRequestDelegateAndroid() = default;
void WebAuthnRequestDelegateAndroid::OnWebAuthnRequestPending(
content::RenderFrameHost* frame_host,
const std::vector<device::DiscoverableCredentialMetadata>& credentials,
bool is_conditional_request,
base::RepeatingCallback<void(const std::vector<uint8_t>& id)>
get_assertion_callback,
base::RepeatingClosure hybrid_callback) {
get_assertion_callback_ = std::move(get_assertion_callback);
hybrid_callback_ = std::move(hybrid_callback);
std::vector<PasskeyCredential> display_credentials;
std::ranges::transform(
credentials, std::back_inserter(display_credentials),
[](const auto& credential) {
return PasskeyCredential(
PasskeyCredential::Source::kAndroidPhone,
PasskeyCredential::RpId(credential.rp_id),
PasskeyCredential::CredentialId(credential.cred_id),
PasskeyCredential::UserId(credential.user.id),
PasskeyCredential::Username(credential.user.name.value_or("")),
PasskeyCredential::DisplayName(
credential.user.display_name.value_or("")));
});
if (is_conditional_request) {
conditional_request_in_progress_ = true;
ReportConditionalUiPasskeyCount(credentials.size());
ChromeWebAuthnCredentialsDelegate* credentials_delegate =
ChromeWebAuthnCredentialsDelegateFactory::GetFactory(
content::WebContents::FromRenderFrameHost(frame_host))
->GetDelegateForFrame(frame_host);
if (!credentials_delegate) {
return;
}
credentials_delegate->OnCredentialsReceived(
std::move(display_credentials),
ChromeWebAuthnCredentialsDelegate::SecurityKeyOrHybridFlowAvailable(
!hybrid_callback_.is_null()));
return;
}
if (!visibility_controller_) {
visibility_controller_ = std::make_unique<
password_manager::KeyboardReplacingSurfaceVisibilityControllerImpl>();
}
if (!touch_to_fill_controller_) {
touch_to_fill_controller_ = std::make_unique<TouchToFillController>(
Profile::FromBrowserContext(frame_host->GetBrowserContext()),
visibility_controller_->AsWeakPtr(),
/*grouped_credential_sheet_controller=*/nullptr);
}
touch_to_fill_controller_->InitData(
std::vector<password_manager::UiCredential>(), display_credentials,
ContentPasswordManagerDriver::GetForRenderFrameHost(frame_host)
->AsWeakPtrImpl());
touch_to_fill_controller_->Show(
std::make_unique<TouchToFillControllerWebAuthnDelegate>(
this, !hybrid_callback_.is_null()),
WebAuthnCredManDelegateFactory::GetFactory(web_contents())
->GetRequestDelegate(frame_host));
}
void WebAuthnRequestDelegateAndroid::CleanupWebAuthnRequest(
content::RenderFrameHost* frame_host) {
if (conditional_request_in_progress_) {
// Prevent autofill from offering WebAuthn credentials in the popup.
ChromeWebAuthnCredentialsDelegate* credentials_delegate =
ChromeWebAuthnCredentialsDelegateFactory::GetFactory(
content::WebContents::FromRenderFrameHost(frame_host))
->GetDelegateForFrame(frame_host);
if (credentials_delegate) {
credentials_delegate->NotifyWebAuthnRequestAborted();
}
} else {
touch_to_fill_controller_->Close();
}
conditional_request_in_progress_ = false;
get_assertion_callback_.Reset();
}
void WebAuthnRequestDelegateAndroid::OnWebAuthnAccountSelected(
const std::vector<uint8_t>& user_id) {
if (get_assertion_callback_) {
get_assertion_callback_.Run(user_id);
}
}
void WebAuthnRequestDelegateAndroid::ShowHybridSignIn() {
if (hybrid_callback_) {
hybrid_callback_.Run();
}
}
content::WebContents* WebAuthnRequestDelegateAndroid::web_contents() {
return web_contents_;
}
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