'use strict'
const bcrypt = require('bcrypt')
-const crypto = require('crypto')
const fs = require('fs')
const openssl = require('openssl-wrapper')
const ursa = require('ursa')
const constants = require('../initializers/constants')
const logger = require('./logger')
-const algorithm = 'aes-256-ctr'
-
const peertubeCrypto = {
- checkSignature: checkSignature,
- comparePassword: comparePassword,
- createCertsIfNotExist: createCertsIfNotExist,
- cryptPassword: cryptPassword,
- decrypt: decrypt,
- encrypt: encrypt,
- sign: sign
+ checkSignature,
+ comparePassword,
+ createCertsIfNotExist,
+ cryptPassword,
+ sign
}
function checkSignature (publicKey, rawData, hexSignature) {
})
}
-function decrypt (key, data, callback) {
- fs.readFile(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem', function (err, file) {
- if (err) return callback(err)
-
- const myPrivateKey = ursa.createPrivateKey(file)
- const decryptedKey = myPrivateKey.decrypt(key, 'hex', 'utf8')
- const decryptedData = symetricDecrypt(data, decryptedKey)
-
- return callback(null, decryptedData)
- })
-}
-
-function encrypt (publicKey, data, callback) {
- const crt = ursa.createPublicKey(publicKey)
-
- symetricEncrypt(data, function (err, dataEncrypted) {
- if (err) return callback(err)
-
- const key = crt.encrypt(dataEncrypted.password, 'utf8', 'hex')
- const encrypted = {
- data: dataEncrypted.crypted,
- key: key
- }
-
- callback(null, encrypted)
- })
-}
-
function sign (data) {
const myKey = ursa.createPrivateKey(fs.readFileSync(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem'))
const signature = myKey.hashAndSign('sha256', data, 'utf8', 'hex')
})
})
}
-
-function generatePassword (callback) {
- crypto.randomBytes(32, function (err, buf) {
- if (err) return callback(err)
-
- callback(null, buf.toString('utf8'))
- })
-}
-
-function symetricDecrypt (text, password) {
- const decipher = crypto.createDecipher(algorithm, password)
- let dec = decipher.update(text, 'hex', 'utf8')
- dec += decipher.final('utf8')
- return dec
-}
-
-function symetricEncrypt (text, callback) {
- generatePassword(function (err, password) {
- if (err) return callback(err)
-
- const cipher = crypto.createCipher(algorithm, password)
- let crypted = cipher.update(text, 'utf8', 'hex')
- crypted += cipher.final('hex')
- callback(null, { crypted: crypted, password: password })
- })
-}