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fix(sec): switched to cryptographically secure random

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Corentin Thomasset 2021-05-31 17:54:20 +02:00
parent 03a7e8c42d
commit 74e5758735
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2 changed files with 11 additions and 4 deletions
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11
utils/random.ts
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@ -1,8 +1,13 @@
const randFromArray = (array: any[]) => array[Math.floor(Math.random() * array.length)] import {randomBytes} from 'crypto'
const randIntFromInterval = (min: number, max: number) => Math.floor(Math.random() * (max - min) + min) const random = () => randomBytes(4).readUInt32LE(0) / 0x100000000
const randFromArray = (array: any[]) => array[Math.floor(random() * array.length)]
const randIntFromInterval = (min: number, max: number) => Math.floor(random() * (max - min) + min)
export { export {
randFromArray, randFromArray,
randIntFromInterval randIntFromInterval,
random
} }

4
utils/string.ts
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@ -1,5 +1,7 @@
import {random} from './random'
const capitalise = (s: string) => s.charAt(0).toUpperCase() + s.slice(1) const capitalise = (s: string) => s.charAt(0).toUpperCase() + s.slice(1)
const shuffle = (s: string) => s.split('').sort(() => 0.5 - Math.random()).join('') const shuffle = (s: string) => s.split('').sort(() => 0.5 - random()).join('')
export {capitalise, shuffle} export {capitalise, shuffle}