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SPSH-1278 New password generation (#731)
* New password generation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| import { generatePassword } from './password-generator.js'; | ||
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| describe('passwordGenerator', () => { | ||
| it('should return passwords with the correct length', () => { | ||
| for (let i: number = 4; i < 50; i++) { | ||
| expect(generatePassword(i)).toHaveLength(i); | ||
| } | ||
| }); | ||
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| it('should always return passwords with at least 4 characters', () => { | ||
| for (let i: number = 0; i < 4; i++) { | ||
| expect(generatePassword(i)).toHaveLength(4); | ||
| } | ||
| }); | ||
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| it.each([ | ||
| { name: 'lowercase', regex: /[abcdefghijklmnopqrstuvwxyz]/ }, | ||
| { name: 'uppercase', regex: /[ABCDEFGHIJKLMNOPQRSTUVWXYZ]/ }, | ||
| { name: 'numbers', regex: /[0123456789]/ }, | ||
| { name: 'symbols', regex: /[+\-*/%&!?@$#]/ }, | ||
| ])('Should contain $name', ({ regex }: { regex: RegExp }) => { | ||
| // Repeat the test 100 times | ||
| for (let i: number = 0; i < 100; i++) { | ||
| const password: string = generatePassword(4); | ||
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| expect(password).toEqual(expect.stringMatching(regex)); | ||
| } | ||
| }); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| import { randomInt } from 'node:crypto'; | ||
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| const LOWERCASE: string = 'abcdefghijklmnopqrstuvwxyz'; | ||
| const UPPERCASE: string = LOWERCASE.toUpperCase(); | ||
| const NUMBERS: string = '0123456789'; | ||
| const SYMBOLS: string = '+-*/%&!?@$#'; | ||
| const ALL_CHARACTERS: string = LOWERCASE + UPPERCASE + NUMBERS + SYMBOLS; | ||
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| function randomChar(str: string): string { | ||
| return str.charAt(randomInt(str.length)); | ||
| } | ||
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| /** | ||
| * Generates a random password with the following rules: | ||
| * - At least one lowercase character | ||
| * - At least one uppercase character | ||
| * - At least one number | ||
| * - At least one symbol | ||
| * | ||
| * Passwords will always be at least 4 characters long, to fulfill these rules | ||
| * @param length The length of the password | ||
| */ | ||
| export function generatePassword(length: number = 8): string { | ||
| let password: string = ''; | ||
| password += randomChar(LOWERCASE); // One lowercase char | ||
| password += randomChar(UPPERCASE); // One uppercase char | ||
| password += randomChar(NUMBERS); // One number | ||
| password += randomChar(SYMBOLS); // One symbol | ||
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| for (let i: number = password.length; i < length; i++) { | ||
| password += randomChar(ALL_CHARACTERS); // Fill the rest with random characters | ||
| } | ||
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| return password; | ||
| } |