3 const crypto = require('crypto')
4 const bcrypt = require('bcrypt')
5 const fs = require('fs')
6 const openssl = require('openssl-wrapper')
8 const constants = require('../initializers/constants')
9 const logger = require('./logger')
11 const peertubeCrypto = {
14 createCertsIfNotExist,
19 function checkSignature (publicKey, data, hexSignature) {
20 const verify = crypto.createVerify(constants.SIGNATURE_ALGORITHM)
23 if (typeof data === 'string') {
27 dataString = JSON.stringify(data)
29 logger.error('Cannot check signature.', { error: err })
34 verify.update(dataString, 'utf8')
36 const isValid = verify.verify(publicKey, hexSignature, constants.SIGNATURE_ENCODING)
40 function sign (data) {
41 const sign = crypto.createSign(constants.SIGNATURE_ALGORITHM)
44 if (typeof data === 'string') {
48 dataString = JSON.stringify(data)
50 logger.error('Cannot sign data.', { error: err })
55 sign.update(dataString, 'utf8')
58 const myKey = fs.readFileSync(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem')
59 const signature = sign.sign(myKey, constants.SIGNATURE_ENCODING)
64 function comparePassword (plainPassword, hashPassword, callback) {
65 bcrypt.compare(plainPassword, hashPassword, function (err, isPasswordMatch) {
66 if (err) return callback(err)
68 return callback(null, isPasswordMatch)
72 function createCertsIfNotExist (callback) {
73 certsExist(function (exist) {
78 createCerts(function (err) {
84 function cryptPassword (password, callback) {
85 bcrypt.genSalt(constants.BCRYPT_SALT_SIZE, function (err, salt) {
86 if (err) return callback(err)
88 bcrypt.hash(password, salt, function (err, hash) {
89 return callback(err, hash)
94 // ---------------------------------------------------------------------------
96 module.exports = peertubeCrypto
98 // ---------------------------------------------------------------------------
100 function certsExist (callback) {
101 fs.exists(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem', function (exists) {
102 return callback(exists)
106 function createCerts (callback) {
107 certsExist(function (exist) {
108 if (exist === true) {
109 const string = 'Certs already exist.'
110 logger.warning(string)
111 return callback(new Error(string))
114 logger.info('Generating a RSA key...')
117 'out': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem',
120 openssl.exec('genrsa', options, function (err) {
122 logger.error('Cannot create private key on this pod.')
125 logger.info('RSA key generated.')
128 'in': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem',
130 'out': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.pub'
132 logger.info('Manage public key...')
133 openssl.exec('rsa', options, function (err) {
135 logger.error('Cannot create public key on this pod.')
139 logger.info('Public key managed.')
140 return callback(null)