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9f10b292 C |
1 | 'use strict' |
2 | ||
26d7d31b | 3 | const bcrypt = require('bcrypt') |
f0f5567b C |
4 | const crypto = require('crypto') |
5 | const fs = require('fs') | |
6 | const openssl = require('openssl-wrapper') | |
f0f5567b | 7 | const ursa = require('ursa') |
9f10b292 | 8 | |
e861452f | 9 | const constants = require('../initializers/constants') |
f0f5567b | 10 | const logger = require('./logger') |
9f10b292 | 11 | |
f0f5567b | 12 | const peertubeCrypto = { |
c4403b29 C |
13 | checkSignature, |
14 | comparePassword, | |
15 | createCertsIfNotExist, | |
16 | cryptPassword, | |
c4403b29 | 17 | sign |
9f10b292 C |
18 | } |
19 | ||
bc503c2a C |
20 | function checkSignature (publicKey, rawData, hexSignature) { |
21 | const crt = ursa.createPublicKey(publicKey) | |
22 | const isValid = crt.hashAndVerify('sha256', new Buffer(rawData).toString('hex'), hexSignature, 'hex') | |
23 | return isValid | |
9f10b292 C |
24 | } |
25 | ||
26d7d31b C |
26 | function comparePassword (plainPassword, hashPassword, callback) { |
27 | bcrypt.compare(plainPassword, hashPassword, function (err, isPasswordMatch) { | |
28 | if (err) return callback(err) | |
29 | ||
30 | return callback(null, isPasswordMatch) | |
31 | }) | |
32 | } | |
33 | ||
9f10b292 C |
34 | function createCertsIfNotExist (callback) { |
35 | certsExist(function (exist) { | |
36 | if (exist === true) { | |
37 | return callback(null) | |
38 | } | |
39 | ||
40 | createCerts(function (err) { | |
41 | return callback(err) | |
dac0a531 | 42 | }) |
9f10b292 C |
43 | }) |
44 | } | |
dac0a531 | 45 | |
26d7d31b C |
46 | function cryptPassword (password, callback) { |
47 | bcrypt.genSalt(constants.BCRYPT_SALT_SIZE, function (err, salt) { | |
48 | if (err) return callback(err) | |
49 | ||
50 | bcrypt.hash(password, salt, function (err, hash) { | |
51 | return callback(err, hash) | |
52 | }) | |
53 | }) | |
54 | } | |
55 | ||
9f10b292 | 56 | function sign (data) { |
e861452f | 57 | const myKey = ursa.createPrivateKey(fs.readFileSync(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem')) |
f0f5567b | 58 | const signature = myKey.hashAndSign('sha256', data, 'utf8', 'hex') |
dac0a531 | 59 | |
9f10b292 C |
60 | return signature |
61 | } | |
dac0a531 | 62 | |
9f10b292 | 63 | // --------------------------------------------------------------------------- |
dac0a531 | 64 | |
9f10b292 | 65 | module.exports = peertubeCrypto |
dac0a531 | 66 | |
9f10b292 | 67 | // --------------------------------------------------------------------------- |
dac0a531 | 68 | |
9f10b292 | 69 | function certsExist (callback) { |
e861452f | 70 | fs.exists(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem', function (exists) { |
9f10b292 C |
71 | return callback(exists) |
72 | }) | |
73 | } | |
74 | ||
75 | function createCerts (callback) { | |
76 | certsExist(function (exist) { | |
77 | if (exist === true) { | |
f0f5567b | 78 | const string = 'Certs already exist.' |
9f10b292 C |
79 | logger.warning(string) |
80 | return callback(new Error(string)) | |
81 | } | |
82 | ||
83 | logger.info('Generating a RSA key...') | |
e861452f C |
84 | |
85 | let options = { | |
86 | 'out': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem', | |
87 | '2048': false | |
88 | } | |
89 | openssl.exec('genrsa', options, function (err) { | |
9f10b292 C |
90 | if (err) { |
91 | logger.error('Cannot create private key on this pod.') | |
92 | return callback(err) | |
dac0a531 | 93 | } |
9f10b292 | 94 | logger.info('RSA key generated.') |
dac0a531 | 95 | |
e861452f C |
96 | options = { |
97 | 'in': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.key.pem', | |
98 | 'pubout': true, | |
99 | 'out': constants.CONFIG.STORAGE.CERT_DIR + 'peertube.pub' | |
100 | } | |
9f10b292 | 101 | logger.info('Manage public key...') |
e861452f | 102 | openssl.exec('rsa', options, function (err) { |
dac0a531 | 103 | if (err) { |
9f10b292 | 104 | logger.error('Cannot create public key on this pod.') |
dac0a531 C |
105 | return callback(err) |
106 | } | |
dac0a531 | 107 | |
9f10b292 C |
108 | logger.info('Public key managed.') |
109 | return callback(null) | |
110 | }) | |
dac0a531 | 111 | }) |
9f10b292 C |
112 | }) |
113 | } |