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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_HID_WEB_VIEW_CHOOSER_CONTEXT_H_
#define CHROME_BROWSER_HID_WEB_VIEW_CHOOSER_CONTEXT_H_
#include <map>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "components/permissions/object_permission_context_base.h"
#include "services/device/public/mojom/hid.mojom.h"
class HidChooserContext;
// WebViewChooserContext stores the HID permissions for embedded WebViews.
// Permissions stored by WebViewChooserContext are ephemeral and not stored on
// disk.
//
// WebView permissions should be stored separately from other permissions for
// security reasons, e.g., crbug/1462709.
class WebViewChooserContext
: public permissions::ObjectPermissionContextBase::PermissionObserver {
public:
explicit WebViewChooserContext(HidChooserContext* chooser_context);
~WebViewChooserContext() override;
void GrantDevicePermission(const url::Origin& origin,
const url::Origin& embedding_origin,
const device::mojom::HidDeviceInfo& device);
bool HasDevicePermission(const url::Origin& origin,
const url::Origin& embedding_origin,
const device::mojom::HidDeviceInfo& device) const;
void RevokeDevicePermission(const url::Origin& origin,
const url::Origin& embedding_origin,
const device::mojom::HidDeviceInfo& device);
// permissions::ObjectPermissionContextBase::PermissionObserver:
void OnPermissionRevoked(const url::Origin& origin) override;
void OnHidChooserContextShutdown();
private:
// Stores embedded origins that have access to device, per device.
using DeviceMap = std::map<std::string, std::set<url::Origin>>;
// Stores device permissions per embedding origin.
std::map<url::Origin, DeviceMap> device_access_;
// It is safe to store a raw pointer since `chooser_context_` owns this
// object.
raw_ptr<HidChooserContext> chooser_context_;
base::ScopedObservation<
permissions::ObjectPermissionContextBase,
permissions::ObjectPermissionContextBase::PermissionObserver>
permission_observation_{this};
};
#endif // CHROME_BROWSER_HID_WEB_VIEW_CHOOSER_CONTEXT_H_
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