mirror of
https://codeberg.org/timelimit/timelimit-server.git
synced 2026-08-31 19:03:45 +02:00
54 lines
1.9 KiB
TypeScript
54 lines
1.9 KiB
TypeScript
/*
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* server component for the TimeLimit App
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* Copyright (C) 2019 - 2022 Jonas Lochmann
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*
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* This program 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
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* published by the Free Software Foundation, version 3 of the License.
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*
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* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { randomInt } from 'crypto'
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import { ValidationException } from '../exception'
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const defaultAlphabet = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
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function randomString(chars: string, length: number) {
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let result = ''
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for (let i = 0; i < length; i++) {
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result += chars[randomInt(chars.length)]
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}
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if (result.length !== length) throw new Error()
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return result
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}
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export const generateAuthToken = randomString.bind(null, defaultAlphabet, 32)
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export const generateIdWithinFamily = randomString.bind(null, defaultAlphabet, 6)
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export const isIdWithinFamily = (id: string) => id.length === 6 && /^[a-zA-Z0-9]+$/.test(id)
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export const assertIdWithinFamily = (id: string) => {
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if (!isIdWithinFamily(id)) {
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throw new ValidationException({
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staticMessage: 'invalid id within family',
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dynamicMessage: 'invalid id within family: ' + id
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})
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}
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}
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export const generateVersionId = randomString.bind(null, defaultAlphabet, 4)
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export const isVersionId = (id: string) => id.length === 4 && /^[a-zA-Z0-9]+$/.test(id)
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export const generateFamilyId = randomString.bind(null, defaultAlphabet, 10)
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export const generatePurchaseId = randomString.bind(null, defaultAlphabet, 10)
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