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// 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/geolocation/geolocation_service_impl.h"
#include <utility>
#include "base/functional/bind.h"
#include "content/browser/permissions/permission_controller_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/permission_controller.h"
#include "content/public/browser/permission_descriptor_util.h"
#include "content/public/browser/permission_request_description.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "mojo/public/cpp/bindings/callback_helpers.h"
#include "services/device/public/mojom/geoposition.mojom.h"
#include "services/network/public/mojom/permissions_policy/permissions_policy_feature.mojom.h"
#include "third_party/blink/public/common/permissions/permission_utils.h"
#if BUILDFLAG(IS_IOS)
#include "services/device/public/cpp/geolocation/geolocation_system_permission_manager.h"
#endif
namespace content {
GeolocationServiceImplContext::GeolocationServiceImplContext() = default;
GeolocationServiceImplContext::~GeolocationServiceImplContext() = default;
void GeolocationServiceImplContext::RequestPermission(
RenderFrameHost* render_frame_host,
bool user_gesture,
PermissionCallback callback) {
if (has_pending_permission_request_) {
mojo::ReportBadMessage(
"GeolocationService client may only create one Geolocation at a "
"time.");
return;
}
has_pending_permission_request_ = true;
render_frame_host->GetBrowserContext()
->GetPermissionController()
->RequestPermissionFromCurrentDocument(
render_frame_host,
PermissionRequestDescription(
content::PermissionDescriptorUtil::
CreatePermissionDescriptorForPermissionType(
blink::PermissionType::GEOLOCATION),
user_gesture),
base::BindOnce(&GeolocationServiceImplContext::HandlePermissionStatus,
weak_factory_.GetWeakPtr(), std::move(callback)));
}
void GeolocationServiceImplContext::HandlePermissionStatus(
PermissionCallback callback,
blink::mojom::PermissionStatus permission_status) {
has_pending_permission_request_ = false;
std::move(callback).Run(permission_status);
}
GeolocationServiceImpl::GeolocationServiceImpl(
device::mojom::GeolocationContext* geolocation_context,
RenderFrameHost* render_frame_host)
: geolocation_context_(geolocation_context),
render_frame_host_(render_frame_host) {
DCHECK(geolocation_context);
DCHECK(render_frame_host);
}
GeolocationServiceImpl::~GeolocationServiceImpl() {
DecrementActivityCount();
}
void GeolocationServiceImpl::Bind(
mojo::PendingReceiver<blink::mojom::GeolocationService> receiver) {
receiver_set_.Add(this, std::move(receiver),
std::make_unique<GeolocationServiceImplContext>());
receiver_set_.set_disconnect_handler(base::BindRepeating(
&GeolocationServiceImpl::OnDisconnected, base::Unretained(this)));
#if BUILDFLAG(IS_IOS)
device::GeolocationSystemPermissionManager*
geolocation_system_permission_manager =
device::GeolocationSystemPermissionManager::GetInstance();
if (geolocation_system_permission_manager) {
geolocation_system_permission_manager->RequestSystemPermission();
}
#endif
}
void GeolocationServiceImpl::CreateGeolocation(
mojo::PendingReceiver<device::mojom::Geolocation> receiver,
bool user_gesture,
CreateGeolocationCallback callback) {
if (!render_frame_host_->IsFeatureEnabled(
network::mojom::PermissionsPolicyFeature::kGeolocation)) {
std::move(callback).Run(blink::mojom::PermissionStatus::DENIED);
return;
}
// If the geolocation service is destroyed before the callback is run, ensure
// it is called with DENIED status.
auto scoped_callback = mojo::WrapCallbackWithDefaultInvokeIfNotRun(
std::move(callback), blink::mojom::PermissionStatus::DENIED);
receiver_set_.current_context()->RequestPermission(
render_frame_host_, user_gesture,
// The owning RenderFrameHost might be destroyed before the permission
// request finishes. To avoid calling a callback on a destroyed object,
// use a WeakPtr and skip the callback if the object is invalid.
base::BindOnce(
&GeolocationServiceImpl::CreateGeolocationWithPermissionStatus,
weak_factory_.GetWeakPtr(), std::move(receiver),
std::move(scoped_callback)));
}
void GeolocationServiceImpl::CreateGeolocationWithPermissionStatus(
mojo::PendingReceiver<device::mojom::Geolocation> receiver,
CreateGeolocationCallback callback,
blink::mojom::PermissionStatus permission_status) {
std::move(callback).Run(permission_status);
if (permission_status != blink::mojom::PermissionStatus::GRANTED)
return;
IncrementActivityCount();
requesting_origin_ =
render_frame_host_->GetMainFrame()->GetLastCommittedOrigin();
auto requesting_url =
render_frame_host_->GetMainFrame()->GetLastCommittedURL();
geolocation_context_->BindGeolocation(
std::move(receiver), requesting_url,
device::mojom::GeolocationClientId::kGeolocationServiceImpl);
subscription_id_ =
PermissionControllerImpl::FromBrowserContext(
render_frame_host_->GetBrowserContext())
->SubscribeToPermissionStatusChange(
blink::PermissionType::GEOLOCATION,
/*render_process_host=*/nullptr, render_frame_host_,
requesting_url,
/*should_include_device_status=*/false,
base::BindRepeating(
&GeolocationServiceImpl::HandlePermissionStatusChange,
weak_factory_.GetWeakPtr()));
}
void GeolocationServiceImpl::HandlePermissionStatusChange(
blink::mojom::PermissionStatus permission_status) {
if (permission_status != blink::mojom::PermissionStatus::GRANTED &&
subscription_id_.value()) {
PermissionControllerImpl::FromBrowserContext(
render_frame_host_->GetBrowserContext())
->UnsubscribeFromPermissionStatusChange(subscription_id_);
geolocation_context_->OnPermissionRevoked(requesting_origin_);
DecrementActivityCount();
}
}
void GeolocationServiceImpl::OnDisconnected() {
if (receiver_set_.empty()) {
DecrementActivityCount();
}
}
void GeolocationServiceImpl::IncrementActivityCount() {
is_sending_updates_ = true;
auto* web_contents = WebContents::FromRenderFrameHost(render_frame_host_);
static_cast<WebContentsImpl*>(web_contents)
->IncrementGeolocationActiveFrameCount();
}
void GeolocationServiceImpl::DecrementActivityCount() {
if (is_sending_updates_) {
is_sending_updates_ = false;
auto* web_contents = WebContents::FromRenderFrameHost(render_frame_host_);
static_cast<WebContentsImpl*>(web_contents)
->DecrementGeolocationActiveFrameCount();
}
}
} // namespace content
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