ladybird/Libraries/LibWeb/PermissionsAPI/PermissionStore.h
Niccolo Antonelli-Dziri 9f4a712e57 LibWeb: Add basics for the Permissions API
This adds the basic infrastructure for the Permissions API, including
the `Permissions` and `PermissionStatus` interfaces. The API is exposed
via `navigator.permissions` on both `Window` and `WorkerGlobalScope`.

- `is_permission_supported` is hardcoded to return false.
- The `query()` method checks for a secure context but rejects all
queries since no powerful features are supported yet.

The permission store and permission key related methods and algorithms.
Ability for the user agent to store the permissions entries.

Passes a few more subtests in `permissions/`.

https://wpt.live/permissions/idlharness.any.html

https://wpt.live/permissions/idlharness.any.worker.html

https://wpt.live/permissions/edge-cases.https.html

This one behaves differently because now the `query` property is
defined. And the last subtest passes for the wrong reason.
"Querying "fullscreen" permission with "allowWithoutGesture" false
is unsupported"
but in fact everything is currently unsupported.

https://wpt.live/fullscreen/api/permission.tentative.https.html

permission is marked as experimental in Navigator and WorkerNavigator,
so tests that now pass actually don't because the tests don't have
access to the interfaces.
2026-05-11 21:01:01 +02:00

52 lines
1.8 KiB
C++

/*
* Copyright (c) 2026, Niccolo Antonelli-Dziri <niccolo.antonelli-dziri@protonmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/Vector.h>
#include <LibURL/Origin.h>
#include <LibWeb/Bindings/PermissionStatus.h>
#include <LibWeb/Bindings/Permissions.h>
#include <LibWeb/PermissionsAPI/Permissions.h>
namespace Web::PermissionsAPI {
// https://w3c.github.io/permissions/#dfn-permission-store-entry
struct PermissionStoreEntry {
Bindings::PermissionDescriptor descriptor;
URL::Origin permission_key; // https://w3c.github.io/permissions/#dfn-permission-key
Bindings::PermissionState state;
};
// https://w3c.github.io/permissions/#dfn-permission-store
class PermissionStore {
public:
static PermissionStore& the();
// https://w3c.github.io/permissions/#dfn-get-a-permission-store-entry
Optional<PermissionStoreEntry> get_permission_store_entry(Bindings::PermissionDescriptor const& descriptor, URL::Origin const& key);
// https://w3c.github.io/permissions/#dfn-set-a-permission-store-entry
void set_permission_store_entry(Bindings::PermissionDescriptor const& descriptor, URL::Origin const& key, Bindings::PermissionState state);
// https://w3c.github.io/permissions/#dfn-remove-a-permission-store-entry
void remove_permission_store_entry(Bindings::PermissionDescriptor const& descriptor, URL::Origin const& key);
private:
PermissionStore() = default;
Vector<PermissionStoreEntry> m_entries;
};
bool permission_key_is_equal_to(Bindings::PermissionDescriptor const& descriptor, URL::Origin const& key1, URL::Origin const& key2);
bool permission_key_comparison_algorithm(URL::Origin const& key1, URL::Origin const& key2);
URL::Origin permission_key_generation_algorithm(URL::Origin const& origin, URL::Origin const&);
}