3 const bcrypt = require('bcrypt')
4 const fs = require('fs')
5 const openssl = require('openssl-wrapper')
6 const ursa = require('ursa')
8 const constants = require('../initializers/constants')
9 const logger = require('./logger')
11 const peertubeCrypto = {
14 createCertsIfNotExist,
19 function checkSignature (publicKey, rawData, hexSignature) {
20 const crt = ursa.createPublicKey(publicKey)
21 const isValid = crt.hashAndVerify('sha256', new Buffer(rawData).toString('hex'), hexSignature, 'hex')
25 function comparePassword (plainPassword, hashPassword, callback) {
26 bcrypt.compare(plainPassword, hashPassword, function (err, isPasswordMatch) {
27 if (err) return callback(err)
29 return callback(null, isPasswordMatch)
33 function createCertsIfNotExist (callback) {
34 certsExist(function (exist) {
39 createCerts(function (err) {
45 function cryptPassword (password, callback) {
46 bcrypt.genSalt(constants.BCRYPT_SALT_SIZE, function (err, salt) {
47 if (err) return callback(err)
49 bcrypt.hash(password, salt, function (err, hash) {
50 return callback(err, hash)
55 function sign (data) {
56 const myKey = ursa.createPrivateKey(fs.readFileSync(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem'))
57 const signature = myKey.hashAndSign('sha256', data, 'utf8', 'hex')
62 // ---------------------------------------------------------------------------
64 module.exports = peertubeCrypto
66 // ---------------------------------------------------------------------------
68 function certsExist (callback) {
69 fs.exists(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem', function (exists) {
70 return callback(exists)
74 function createCerts (callback) {
75 certsExist(function (exist) {
77 const string = 'Certs already exist.'
78 logger.warning(string)
79 return callback(new Error(string))
82 logger.info('Generating a RSA key...')
85 'out': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem',
88 openssl.exec('genrsa', options, function (err) {
90 logger.error('Cannot create private key on this pod.')
93 logger.info('RSA key generated.')
96 'in': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem',
98 'out': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.pub'
100 logger.info('Manage public key...')
101 openssl.exec('rsa', options, function (err) {
103 logger.error('Cannot create public key on this pod.')
107 logger.info('Public key managed.')
108 return callback(null)