113 lines
2.9 KiB
JavaScript
113 lines
2.9 KiB
JavaScript
'use strict'
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const bcrypt = require('bcrypt')
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const crypto = require('crypto')
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const fs = require('fs')
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const openssl = require('openssl-wrapper')
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const ursa = require('ursa')
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const constants = require('../initializers/constants')
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const logger = require('./logger')
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const peertubeCrypto = {
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checkSignature,
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comparePassword,
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createCertsIfNotExist,
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cryptPassword,
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sign
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}
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function checkSignature (publicKey, rawData, hexSignature) {
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const crt = ursa.createPublicKey(publicKey)
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const isValid = crt.hashAndVerify('sha256', new Buffer(rawData).toString('hex'), hexSignature, 'hex')
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return isValid
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}
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function comparePassword (plainPassword, hashPassword, callback) {
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bcrypt.compare(plainPassword, hashPassword, function (err, isPasswordMatch) {
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if (err) return callback(err)
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return callback(null, isPasswordMatch)
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})
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}
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function createCertsIfNotExist (callback) {
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certsExist(function (exist) {
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if (exist === true) {
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return callback(null)
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}
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createCerts(function (err) {
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return callback(err)
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})
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})
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}
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function cryptPassword (password, callback) {
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bcrypt.genSalt(constants.BCRYPT_SALT_SIZE, function (err, salt) {
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if (err) return callback(err)
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bcrypt.hash(password, salt, function (err, hash) {
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return callback(err, hash)
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})
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})
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}
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function sign (data) {
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const myKey = ursa.createPrivateKey(fs.readFileSync(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem'))
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const signature = myKey.hashAndSign('sha256', data, 'utf8', 'hex')
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return signature
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}
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// ---------------------------------------------------------------------------
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module.exports = peertubeCrypto
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// ---------------------------------------------------------------------------
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function certsExist (callback) {
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fs.exists(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem', function (exists) {
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return callback(exists)
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})
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}
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function createCerts (callback) {
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certsExist(function (exist) {
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if (exist === true) {
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const string = 'Certs already exist.'
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logger.warning(string)
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return callback(new Error(string))
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}
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logger.info('Generating a RSA key...')
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let options = {
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'out': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem',
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'2048': false
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}
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openssl.exec('genrsa', options, function (err) {
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if (err) {
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logger.error('Cannot create private key on this pod.')
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return callback(err)
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}
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logger.info('RSA key generated.')
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options = {
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'in': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem',
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'pubout': true,
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'out': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.pub'
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}
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logger.info('Manage public key...')
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openssl.exec('rsa', options, function (err) {
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if (err) {
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logger.error('Cannot create public key on this pod.')
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return callback(err)
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}
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logger.info('Public key managed.')
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return callback(null)
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})
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})
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})
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}
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