// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/service_worker/service_worker_content_settings_proxy_impl.h"

#include <utility>
#include <vector>

#include "base/threading/thread.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/common/content_client.h"

namespace content {

ServiceWorkerContentSettingsProxyImpl::ServiceWorkerContentSettingsProxyImpl(
    const GURL& script_url,
    scoped_refptr<ServiceWorkerContextWrapper> context_wrapper,
    mojo::PendingReceiver<blink::mojom::WorkerContentSettingsProxy> receiver,
    blink::StorageKey storage_key)
    : origin_(url::Origin::Create(script_url)),
      context_wrapper_(context_wrapper),
      receiver_(this, std::move(receiver)),
      storage_key_(std::move(storage_key)) {
  DCHECK_CURRENTLY_ON(BrowserThread::UI);
}

ServiceWorkerContentSettingsProxyImpl::
    ~ServiceWorkerContentSettingsProxyImpl() = default;

void ServiceWorkerContentSettingsProxyImpl::AllowIndexedDB(
    AllowIndexedDBCallback callback) {
  DCHECK_CURRENTLY_ON(BrowserThread::UI);
  // May be shutting down.
  if (!context_wrapper_->browser_context()) {
    std::move(callback).Run(false);
    return;
  }
  if (origin_.opaque()) {
    std::move(callback).Run(false);
    return;
  }
  // |render_frames| is used to show UI for the frames affected by the
  // content setting. However, service worker is not necessarily associated
  // with frames or making the request on behalf of frames,
  // so just pass an empty |render_frames|.
  std::vector<GlobalRenderFrameHostId> render_frames;
  std::move(callback).Run(GetContentClient()->browser()->AllowWorkerIndexedDB(
      origin_.GetURL(), context_wrapper_->browser_context(), render_frames,
      storage_key_));
}

void ServiceWorkerContentSettingsProxyImpl::AllowCacheStorage(
    AllowCacheStorageCallback callback) {
  DCHECK_CURRENTLY_ON(BrowserThread::UI);
  // May be shutting down.
  if (!context_wrapper_->browser_context()) {
    std::move(callback).Run(false);
    return;
  }
  if (origin_.opaque()) {
    std::move(callback).Run(false);
    return;
  }
  // |render_frames| is used to show UI for the frames affected by the
  // content setting. However, service worker is not necessarily associated
  // with frames or making the request on behalf of frames,
  // so just pass an empty |render_frames|.
  std::vector<GlobalRenderFrameHostId> render_frames;
  std::move(callback).Run(
      GetContentClient()->browser()->AllowWorkerCacheStorage(
          origin_.GetURL(), context_wrapper_->browser_context(), render_frames,
          storage_key_));
}

void ServiceWorkerContentSettingsProxyImpl::AllowWebLocks(
    AllowWebLocksCallback callback) {
  DCHECK_CURRENTLY_ON(BrowserThread::UI);
  // May be shutting down.
  if (!context_wrapper_->browser_context()) {
    std::move(callback).Run(false);
    return;
  }
  if (origin_.opaque()) {
    std::move(callback).Run(false);
    return;
  }
  // |render_frames| is used to show UI for the frames affected by the
  // content setting. However, service worker is not necessarily associated
  // with frames or making the request on behalf of frames,
  // so just pass an empty |render_frames|.
  std::vector<GlobalRenderFrameHostId> render_frames;
  std::move(callback).Run(GetContentClient()->browser()->AllowWorkerWebLocks(
      origin_.GetURL(), context_wrapper_->browser_context(), render_frames,
      storage_key_));
}

void ServiceWorkerContentSettingsProxyImpl::AllowFileSystem(
    AllowFileSystemCallback callback) {
  mojo::ReportBadMessage(
      "The FileSystem API is not exposed to service workers "
      "but somehow a service worker requested access.");
}

}  // namespace content