3 const crypto = require('crypto')
4 const bcrypt = require('bcrypt')
5 const fs = require('fs')
6 const openssl = require('openssl-wrapper')
7 const pathUtils = require('path')
9 const constants = require('../initializers/constants')
10 const logger = require('./logger')
12 const peertubeCrypto = {
15 createCertsIfNotExist,
22 function checkSignature (publicKey, data, hexSignature) {
23 const verify = crypto.createVerify(constants.SIGNATURE_ALGORITHM)
26 if (typeof data === 'string') {
30 dataString = JSON.stringify(data)
32 logger.error('Cannot check signature.', { error: err })
37 verify.update(dataString, 'utf8')
39 const isValid = verify.verify(publicKey, hexSignature, constants.SIGNATURE_ENCODING)
43 function sign (data) {
44 const sign = crypto.createSign(constants.SIGNATURE_ALGORITHM)
47 if (typeof data === 'string') {
51 dataString = JSON.stringify(data)
53 logger.error('Cannot sign data.', { error: err })
58 sign.update(dataString, 'utf8')
61 const certPath = pathUtils.join(constants.CONFIG.STORAGE.CERT_DIR, constants.PRIVATE_CERT_NAME)
62 const myKey = fs.readFileSync(certPath)
63 const signature = sign.sign(myKey, constants.SIGNATURE_ENCODING)
68 function comparePassword (plainPassword, hashPassword, callback) {
69 bcrypt.compare(plainPassword, hashPassword, function (err, isPasswordMatch) {
70 if (err) return callback(err)
72 return callback(null, isPasswordMatch)
76 function createCertsIfNotExist (callback) {
77 certsExist(function (err, exist) {
78 if (err) return callback(err)
84 createCerts(function (err) {
90 function cryptPassword (password, callback) {
91 bcrypt.genSalt(constants.BCRYPT_SALT_SIZE, function (err, salt) {
92 if (err) return callback(err)
94 bcrypt.hash(password, salt, function (err, hash) {
95 return callback(err, hash)
100 function getMyPrivateCert (callback) {
101 const certPath = pathUtils.join(constants.CONFIG.STORAGE.CERT_DIR, constants.PRIVATE_CERT_NAME)
102 fs.readFile(certPath, 'utf8', callback)
105 function getMyPublicCert (callback) {
106 const certPath = pathUtils.join(constants.CONFIG.STORAGE.CERT_DIR, constants.PUBLIC_CERT_NAME)
107 fs.readFile(certPath, 'utf8', callback)
110 // ---------------------------------------------------------------------------
112 module.exports = peertubeCrypto
114 // ---------------------------------------------------------------------------
116 function certsExist (callback) {
117 const certPath = pathUtils.join(constants.CONFIG.STORAGE.CERT_DIR, constants.PRIVATE_CERT_NAME)
118 fs.access(certPath, function (err) {
119 // If there is an error the certificates do not exist
121 return callback(null, exists)
125 function createCerts (callback) {
126 certsExist(function (err, exist) {
127 if (err) return callback(err)
129 if (exist === true) {
130 const string = 'Certs already exist.'
131 logger.warning(string)
132 return callback(new Error(string))
135 logger.info('Generating a RSA key...')
137 const privateCertPath = pathUtils.join(constants.CONFIG.STORAGE.CERT_DIR, constants.PRIVATE_CERT_NAME)
138 const genRsaOptions = {
139 'out': privateCertPath,
142 openssl.exec('genrsa', genRsaOptions, function (err) {
144 logger.error('Cannot create private key on this pod.')
148 logger.info('RSA key generated.')
149 logger.info('Managing public key...')
151 const publicCertPath = pathUtils.join(constants.CONFIG.STORAGE.CERT_DIR, 'peertube.pub')
153 'in': privateCertPath,
155 'out': publicCertPath
157 openssl.exec('rsa', rsaOptions, function (err) {
159 logger.error('Cannot create public key on this pod.')
163 logger.info('Public key managed.')
164 return callback(null)