45 lines
1.6 KiB
TypeScript
45 lines
1.6 KiB
TypeScript
import bcrypt from "bcrypt";
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import crypto from 'crypto';
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import { getEnvVariable } from './env';
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export const hashPassword = (password: string): Promise<string> => {
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return new Promise((resolve, reject) => {
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bcrypt.genSalt(12, (err, salt) => {
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if (err) {
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reject(err)
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}
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bcrypt.hash(password, salt, (err, hash) => {
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if (err) {
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reject(err)
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}
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resolve(hash)
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})
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})
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})
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}
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// password from frontend and hash from database
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export const comparePassword = (password: string, hash: string): Promise<boolean> => {
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return bcrypt.compare(password, hash)
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}
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export const encrypt = (text: string): string => {
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const ivLength = parseInt(getEnvVariable('IV_LENGTH'), 10);
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const iv = crypto.randomBytes(ivLength);
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const algorithm = getEnvVariable('ALGORITHM');
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const key = Buffer.from(getEnvVariable('ENCRYPTION_KEY'), 'hex');
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const cipher = crypto.createCipheriv(algorithm, key, iv);
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let encrypted = cipher.update(text, 'utf8', 'hex');
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encrypted += cipher.final('hex');
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return `${iv.toString('hex')}:${encrypted}`;
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};
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export const decrypt = (encryptedText: string): string => {
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const [iv, encrypted] = encryptedText.split(':');
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const algorithm = getEnvVariable('ALGORITHM');
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const key = Buffer.from(getEnvVariable('ENCRYPTION_KEY'), 'hex');
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const decipher = crypto.createDecipheriv(algorithm, key, Buffer.from(iv, 'hex'));
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let decrypted = decipher.update(encrypted, 'hex', 'utf8');
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decrypted += decipher.final('utf8');
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return decrypted;
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}; |