third_party/blink/renderer/modules/push_messaging/push_provider.cc

// 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.

#include "third_party/blink/renderer/modules/push_messaging/push_provider.h"

#include <utility>

#include "third_party/blink/public/mojom/push_messaging/push_messaging_status.mojom-blink.h"
#include "third_party/blink/public/platform/interface_provider.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/modules/push_messaging/push_error.h"
#include "third_party/blink/renderer/modules/push_messaging/push_messaging_type_converters.h"
#include "third_party/blink/renderer/modules/push_messaging/push_messaging_utils.h"
#include "third_party/blink/renderer/modules/push_messaging/push_subscription.h"
#include "third_party/blink/renderer/modules/push_messaging/push_subscription_options.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"

namespace blink {

// static
const char PushProvider::kSupplementName[] = "PushProvider";

PushProvider::PushProvider(ServiceWorkerRegistration& registration)
    : Supplement<ServiceWorkerRegistration>(registration) {
  GetInterface(mojo::MakeRequest(&push_messaging_manager_));
}

// static
PushProvider* PushProvider::From(ServiceWorkerRegistration* registration) {
  DCHECK(registration);

  PushProvider* provider =
      Supplement<ServiceWorkerRegistration>::From<PushProvider>(registration);

  if (!provider) {
    provider = MakeGarbageCollected<PushProvider>(*registration);
    ProvideTo(*registration, provider);
  }

  return provider;
}

// static
void PushProvider::GetInterface(mojom::blink::PushMessagingRequest request) {
  Platform::Current()->GetInterfaceProvider()->GetInterface(std::move(request));
}

void PushProvider::Subscribe(
    PushSubscriptionOptions* options,
    bool user_gesture,
    std::unique_ptr<PushSubscriptionCallbacks> callbacks) {
  DCHECK(callbacks);

  mojom::blink::PushSubscriptionOptionsPtr content_options_ptr =
      mojom::blink::PushSubscriptionOptions::From(options);

  push_messaging_manager_->Subscribe(
      GetSupplementable()->RegistrationId(), std::move(content_options_ptr),
      user_gesture,
      WTF::Bind(&PushProvider::DidSubscribe, WrapPersistent(this),
                WTF::Passed(std::move(callbacks))));
}

void PushProvider::DidSubscribe(
    std::unique_ptr<PushSubscriptionCallbacks> callbacks,
    mojom::blink::PushRegistrationStatus status,
    const base::Optional<KURL>& endpoint,
    mojom::blink::PushSubscriptionOptionsPtr options,
    const base::Optional<WTF::Vector<uint8_t>>& p256dh,
    const base::Optional<WTF::Vector<uint8_t>>& auth) {
  DCHECK(callbacks);

  if (status ==
          mojom::blink::PushRegistrationStatus::SUCCESS_FROM_PUSH_SERVICE ||
      status == mojom::blink::PushRegistrationStatus::
                    SUCCESS_NEW_SUBSCRIPTION_FROM_PUSH_SERVICE ||
      status == mojom::blink::PushRegistrationStatus::SUCCESS_FROM_CACHE) {
    DCHECK(endpoint);
    DCHECK(options);
    DCHECK(p256dh);
    DCHECK(auth);

    callbacks->OnSuccess(PushSubscription::Create(
        endpoint.value(), options->user_visible_only,
        options->application_server_key, p256dh.value(), auth.value(),
        GetSupplementable()));
  } else {
    callbacks->OnError(PushError::CreateException(
        PushRegistrationStatusToPushErrorType(status),
        PushRegistrationStatusToString(status)));
  }
}

void PushProvider::Unsubscribe(
    std::unique_ptr<PushUnsubscribeCallbacks> callbacks) {
  DCHECK(callbacks);

  push_messaging_manager_->Unsubscribe(
      GetSupplementable()->RegistrationId(),
      WTF::Bind(&PushProvider::DidUnsubscribe, WrapPersistent(this),
                WTF::Passed(std::move(callbacks))));
}

void PushProvider::DidUnsubscribe(
    std::unique_ptr<PushUnsubscribeCallbacks> callbacks,
    mojom::blink::PushErrorType error_type,
    bool did_unsubscribe,
    const WTF::String& error_message) {
  DCHECK(callbacks);

  // ErrorTypeNone indicates success.
  if (error_type == mojom::blink::PushErrorType::NONE) {
    callbacks->OnSuccess(did_unsubscribe);
  } else {
    callbacks->OnError(PushError::CreateException(error_type, error_message));
  }
}

void PushProvider::GetSubscription(
    std::unique_ptr<PushSubscriptionCallbacks> callbacks) {
  DCHECK(callbacks);

  push_messaging_manager_->GetSubscription(
      GetSupplementable()->RegistrationId(),
      WTF::Bind(&PushProvider::DidGetSubscription, WrapPersistent(this),
                WTF::Passed(std::move(callbacks))));
}

void PushProvider::DidGetSubscription(
    std::unique_ptr<PushSubscriptionCallbacks> callbacks,
    mojom::blink::PushGetRegistrationStatus status,
    const base::Optional<KURL>& endpoint,
    mojom::blink::PushSubscriptionOptionsPtr options,
    const base::Optional<WTF::Vector<uint8_t>>& p256dh,
    const base::Optional<WTF::Vector<uint8_t>>& auth) {
  DCHECK(callbacks);

  if (status == mojom::blink::PushGetRegistrationStatus::SUCCESS) {
    DCHECK(endpoint);
    DCHECK(options);
    DCHECK(p256dh);
    DCHECK(auth);

    callbacks->OnSuccess(PushSubscription::Create(
        endpoint.value(), options->user_visible_only,
        options->application_server_key, p256dh.value(), auth.value(),
        GetSupplementable()));
  } else {
    // We are only expecting an error if we can't find a registration.
    callbacks->OnSuccess(nullptr);
  }
}

}  // namespace blink