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// Copyright 2019 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.
#ifndef CONTENT_BROWSER_SMS_WEBOTP_SERVICE_H_
#define CONTENT_BROWSER_SMS_WEBOTP_SERVICE_H_
#include <memory>
#include <string>
#include "base/callback_forward.h"
#include "base/macros.h"
#include "base/sequence_checker.h"
#include "base/time/time.h"
#include "content/browser/sms/sms_parser.h"
#include "content/browser/sms/sms_queue.h"
#include "content/browser/sms/user_consent_handler.h"
#include "content/common/content_export.h"
#include "content/public/browser/frame_service_base.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "third_party/blink/public/mojom/sms/webotp_service.mojom.h"
#include "url/origin.h"
namespace content {
class RenderFrameHost;
class SmsFetcher;
struct LoadCommittedDetails;
// WebOTPService handles mojo connections from the renderer, observing the
// incoming SMS messages from an SmsFetcher. In practice, it is owned and
// managed by a RenderFrameHost. It accomplishes that via subclassing
// FrameServiceBase, which observes the lifecycle of a RenderFrameHost and
// manages it own memory. Create() creates a self-managed instance of
// WebOTPService and binds it to the request.
class CONTENT_EXPORT WebOTPService
: public FrameServiceBase<blink::mojom::WebOTPService>,
public SmsFetcher::Subscriber {
public:
// Return value indicates success. Creation can fail if origin requirements
// are not met.
static bool Create(SmsFetcher*,
RenderFrameHost*,
mojo::PendingReceiver<blink::mojom::WebOTPService>);
WebOTPService(SmsFetcher*,
RenderFrameHost*,
mojo::PendingReceiver<blink::mojom::WebOTPService>);
WebOTPService(SmsFetcher*,
std::unique_ptr<UserConsentHandler> consent_handler,
const url::Origin&,
RenderFrameHost*,
mojo::PendingReceiver<blink::mojom::WebOTPService>);
~WebOTPService() override;
using FailureType = SmsFetcher::FailureType;
using SmsParsingStatus = SmsParser::SmsParsingStatus;
// blink::mojom::WebOTPService:
void Receive(ReceiveCallback) override;
void Abort() override;
// content::SmsQueue::Subscriber
void OnReceive(const std::string& one_time_code) override;
void OnFailure(FailureType failure_type) override;
// Completes the in-flight sms otp code request. Invokes the receive callback,
// if one is available, with the provided status code and the existing one
// time code.
void CompleteRequest(blink::mojom::SmsStatus);
protected:
// content::WebContentsObserver:
void NavigationEntryCommitted(
const content::LoadCommittedDetails& load_details) override;
private:
void CleanUp();
// |fetcher_| is safe because all instances of SmsFetcher are owned
// by the browser context, which transitively (through RenderFrameHost) owns
// and outlives this class.
SmsFetcher* fetcher_;
std::unique_ptr<UserConsentHandler> consent_handler_;
const url::Origin origin_;
ReceiveCallback callback_;
base::Optional<std::string> one_time_code_;
base::TimeTicks start_time_;
base::TimeTicks receive_time_;
SEQUENCE_CHECKER(sequence_checker_);
base::WeakPtrFactory<WebOTPService> weak_ptr_factory_{this};
DISALLOW_COPY_AND_ASSIGN(WebOTPService);
};
} // namespace content
#endif // CONTENT_BROWSER_SMS_WEBOTP_SERVICE_H_
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