hedgedoc/backend/src/utils/password.ts
Tilman Vatteroth bf30cbcf48 fix(repository): Move backend code into subdirectory
Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>
2022-10-30 22:46:42 +01:00

30 lines
981 B
TypeScript

/*
* SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { compare, hash } from 'bcrypt';
export async function hashPassword(cleartext: string): Promise<string> {
// hash the password with bcrypt and 2^12 iterations
// this was decided on the basis of https://cheatsheetseries.owasp.org/cheatsheets/Password_Storage_Cheat_Sheet.html#bcrypt
return await hash(cleartext, 12);
}
export async function checkPassword(
cleartext: string,
password: string,
): Promise<boolean> {
return await compare(cleartext, password);
}
export function bufferToBase64Url(text: Buffer): string {
// This is necessary as the is no base64url encoding in the toString method
// but as can be seen on https://tools.ietf.org/html/rfc4648#page-7
// base64url is quite easy buildable from base64
return text
.toString('base64')
.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/=+$/, '');
}