49 lines
1.4 KiB
TypeScript
49 lines
1.4 KiB
TypeScript
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Fluxer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {randomBytes} from 'node:crypto';
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export interface OAuth2Config {
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clientId: string;
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clientSecret: string;
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redirectUri: string;
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authorizeEndpoint: string;
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tokenEndpoint: string;
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scope: string;
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}
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export function generateState(): string {
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return randomBytes(32).toString('base64url');
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}
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export function authorizeUrl(config: OAuth2Config, state: string): string {
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const params = new URLSearchParams({
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response_type: 'code',
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client_id: config.clientId,
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redirect_uri: config.redirectUri,
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scope: config.scope,
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state,
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});
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return `${config.authorizeEndpoint}?${params.toString()}`;
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}
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export function base64EncodeString(str: string): string {
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return Buffer.from(str).toString('base64');
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}
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