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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/permissions/contexts/geolocation_permission_context.h"
#include <variant>
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/values.h"
#include "components/content_settings/browser/page_specific_content_settings.h"
#include "components/content_settings/core/common/content_settings.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "components/content_settings/core/common/content_settings_utils.h"
#include "components/content_settings/core/common/features.h"
#include "components/permissions/features.h"
#include "components/permissions/permission_context_base.h"
#include "components/permissions/permission_request_id.h"
#include "components/permissions/permissions_client.h"
#include "components/permissions/resolvers/geolocation_permission_resolver.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/device_service.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "services/network/public/mojom/permissions_policy/permissions_policy_feature.mojom.h"
#include "url/origin.h"
namespace permissions {
GeolocationPermissionContext::GeolocationPermissionContext(
content::BrowserContext* browser_context,
std::unique_ptr<Delegate> delegate)
: PermissionContextBase(
browser_context,
base::FeatureList::IsEnabled(
content_settings::features::kApproximateGeolocationPermission)
? ContentSettingsType::GEOLOCATION_WITH_OPTIONS
: ContentSettingsType::GEOLOCATION,
network::mojom::PermissionsPolicyFeature::kGeolocation),
delegate_(std::move(delegate)) {}
GeolocationPermissionContext::~GeolocationPermissionContext() = default;
void GeolocationPermissionContext::DecidePermission(
std::unique_ptr<permissions::PermissionRequestData> request_data,
BrowserPermissionCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!delegate_->DecidePermission(*request_data, &callback, this)) {
DCHECK(callback);
PermissionContextBase::DecidePermission(std::move(request_data),
std::move(callback));
}
}
void GeolocationPermissionContext::UpdateSetting(
const PermissionRequestData& request_data,
PermissionSetting setting,
bool is_one_time) {
// TODO(crbug.com/425642101): Remove (i.e. use base implementation) once
// content settings are migrated to the PermissionSettingsRegistry.
if (base::FeatureList::IsEnabled(
content_settings::features::kApproximateGeolocationPermission)) {
PermissionContextBase::UpdateSetting(request_data, std::move(setting),
is_one_time);
} else {
DCHECK_EQ(request_data.requesting_origin,
request_data.requesting_origin.DeprecatedGetOriginAsURL());
DCHECK_EQ(request_data.embedding_origin,
request_data.embedding_origin.DeprecatedGetOriginAsURL());
content_settings::ContentSettingConstraints constraints;
constraints.set_session_model(
is_one_time ? content_settings::mojom::SessionModel::ONE_TIME
: content_settings::mojom::SessionModel::DURABLE);
ContentSetting content_setting = std::get<ContentSetting>(setting);
// The Permissions module in Safety check will revoke permissions after
// a finite amount of time if the permission can be revoked.
if (content_settings::CanBeAutoRevokedAsUnusedPermission(
content_settings_type(), base::Value(content_setting),
is_one_time)) {
constraints.set_track_last_visit_for_autoexpiration(true);
}
if (is_one_time) {
if (content_settings::ShouldTypeExpireActively(content_settings_type())) {
constraints.set_lifetime(kOneTimePermissionMaximumLifetime);
}
}
PermissionsClient::Get()
->GetSettingsMap(browser_context())
->SetContentSettingDefaultScope(
request_data.requesting_origin, request_data.embedding_origin,
content_settings_type(), content_setting, constraints);
}
}
base::WeakPtr<GeolocationPermissionContext>
GeolocationPermissionContext::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
std::unique_ptr<PermissionResolver>
GeolocationPermissionContext::CreatePermissionResolver(
const blink::mojom::PermissionDescriptorPtr& permission_descriptor) const {
if (base::FeatureList::IsEnabled(
content_settings::features::kApproximateGeolocationPermission)) {
// TODO(crbug.com/430586927) The geolocation PermissionDescriptor doesn't
// yet support the approximate request, hence for the time being we treat
// each request as a precise request.
return std::make_unique<GeolocationPermissionResolver>(
/*requested_precise*/ true);
} else {
return PermissionContextBase::CreatePermissionResolver(
permission_descriptor);
}
}
void GeolocationPermissionContext::UpdateTabContext(
const PermissionRequestID& id,
const GURL& requesting_frame,
bool allowed) {
content_settings::PageSpecificContentSettings* content_settings =
content_settings::PageSpecificContentSettings::GetForFrame(
id.global_render_frame_host_id());
// WebContents might not exist (extensions) or no longer exist. In which
// case, PageSpecificContentSettings will be null.
if (content_settings) {
if (allowed) {
content_settings->OnContentAllowed(content_settings_type());
} else {
content_settings->OnContentBlocked(content_settings_type());
}
}
if (allowed) {
GetGeolocationControl()->UserDidOptIntoLocationServices();
}
}
device::mojom::GeolocationControl*
GeolocationPermissionContext::GetGeolocationControl() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!geolocation_control_) {
content::GetDeviceService().BindGeolocationControl(
geolocation_control_.BindNewPipeAndPassReceiver());
}
return geolocation_control_.get();
}
} // namespace permissions
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