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/*
* Copyright (C) 2021-2022 Kristóf Marussy <kristof@marussy.com>
*
* This file is part of Sophie.
*
* Sophie is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
import {
defineProtoProperty,
deleteProtoProperty,
simulateNativeClass,
simulateNativeFunction,
} from '../utils';
export function shimUserAgentData(chromeVersion: string | null, platform: string): void {
const brands = [
{
brand: ' Not A; Brand',
version: '99',
},
];
if (chromeVersion !== null) {
brands.push({
brand: 'Chromium',
version: '96',
});
}
const mobile = false;
const simulatedNavigatorUa = simulateNativeClass('NavigatorUAData', function NavigatorUAData() {
// Nothing to initiailize.
}, {
brands: {
configurable: true,
enumerable: true,
get: simulateNativeFunction('brands', () => brands),
},
mobile: {
configurable: true,
enumerable: true,
get: simulateNativeFunction('mobile', () => mobile),
},
platform: {
configurable: true,
enumerable: true,
get: simulateNativeFunction('platform', () => platform),
},
getHighEntropyValues: {
configurable: true,
enumerable: false,
value: simulateNativeFunction('getHighEntropyValues', (...args: unknown[]) => {
if (args.length == 0) {
throw new TypeError("Failed to execute 'getHighEntropyValues' on 'NavigatorUAData': 1 argument required, but only 0 present.");
}
const hints = Array.from(args[0] as Iterable<string>);
if (hints.length === 0) {
return {};
}
const data: Record<string, unknown> = {
brands,
mobile,
}
if (hints.includes('platform')) {
data['platform'] = platform;
}
return Promise.resolve(data);
})
},
toJSON: {
configurable: true,
enumerable: false,
value: simulateNativeFunction('toJSON', () => ({
brands,
mobile,
})),
writable: false,
},
});
const simulatedUserAgentData = Reflect.construct(simulatedNavigatorUa, []);
defineProtoProperty(globalThis.navigator, 'userAgentData', {
configurable: true,
enumerable: true,
get: simulateNativeFunction('userAgentData', () => simulatedUserAgentData),
});
}
export function deleteUserAgentData(): void {
deleteProtoProperty(globalThis.navigator, 'userAgentData');
}
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