3 const bcrypt = require('bcrypt')
4 const crypto = require('crypto')
5 const fs = require('fs')
6 const openssl = require('openssl-wrapper')
7 const ursa = require('ursa')
9 const constants = require('../initializers/constants')
10 const logger = require('./logger')
12 const peertubeCrypto = {
15 createCertsIfNotExist,
20 function checkSignature (publicKey, rawData, hexSignature) {
21 const crt = ursa.createPublicKey(publicKey)
22 const isValid = crt.hashAndVerify('sha256', new Buffer(rawData).toString('hex'), hexSignature, 'hex')
26 function comparePassword (plainPassword, hashPassword, callback) {
27 bcrypt.compare(plainPassword, hashPassword, function (err, isPasswordMatch) {
28 if (err) return callback(err)
30 return callback(null, isPasswordMatch)
34 function createCertsIfNotExist (callback) {
35 certsExist(function (exist) {
40 createCerts(function (err) {
46 function cryptPassword (password, callback) {
47 bcrypt.genSalt(constants.BCRYPT_SALT_SIZE, function (err, salt) {
48 if (err) return callback(err)
50 bcrypt.hash(password, salt, function (err, hash) {
51 return callback(err, hash)
56 function sign (data) {
57 const myKey = ursa.createPrivateKey(fs.readFileSync(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem'))
58 const signature = myKey.hashAndSign('sha256', data, 'utf8', 'hex')
63 // ---------------------------------------------------------------------------
65 module.exports = peertubeCrypto
67 // ---------------------------------------------------------------------------
69 function certsExist (callback) {
70 fs.exists(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem', function (exists) {
71 return callback(exists)
75 function createCerts (callback) {
76 certsExist(function (exist) {
78 const string = 'Certs already exist.'
79 logger.warning(string)
80 return callback(new Error(string))
83 logger.info('Generating a RSA key...')
86 'out': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem',
89 openssl.exec('genrsa', options, function (err) {
91 logger.error('Cannot create private key on this pod.')
94 logger.info('RSA key generated.')
97 'in': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem',
99 'out': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.pub'
101 logger.info('Manage public key...')
102 openssl.exec('rsa', options, function (err) {
104 logger.error('Cannot create public key on this pod.')
108 logger.info('Public key managed.')
109 return callback(null)