]>
Commit | Line | Data |
---|---|---|
8c308c2b C |
1 | ;(function () { |
2 | 'use strict' | |
3 | ||
8c308c2b | 4 | var config = require('config') |
a1860380 | 5 | var crypto = require('crypto') |
8c308c2b C |
6 | var fs = require('fs') |
7 | var openssl = require('openssl-wrapper') | |
a1860380 C |
8 | var request = require('request') |
9 | var replay = require('request-replay') | |
10 | var ursa = require('ursa') | |
8c308c2b C |
11 | |
12 | var logger = require('./logger') | |
13 | ||
a1860380 C |
14 | var utils = {} |
15 | ||
8c308c2b C |
16 | var http = config.get('webserver.https') ? 'https' : 'http' |
17 | var host = config.get('webserver.host') | |
18 | var port = config.get('webserver.port') | |
19 | var algorithm = 'aes-256-ctr' | |
20 | ||
8c308c2b C |
21 | // ----------- Private functions ---------- |
22 | ||
23 | function makeRetryRequest (params, from_url, to_pod, signature, callbackEach) { | |
24 | // Append the signature | |
25 | if (signature) { | |
26 | params.json.signature = { | |
27 | url: from_url, | |
28 | signature: signature | |
29 | } | |
30 | } | |
31 | ||
a1860380 | 32 | logger.debug('Sending informations to %s.', to_pod.url, { params: params }) |
8c308c2b C |
33 | |
34 | // Replay 15 times, with factor 3 | |
35 | replay( | |
36 | request.post(params, function (err, response, body) { | |
37 | callbackEach(err, response, body, to_pod.url) | |
38 | }), | |
39 | { | |
40 | retries: 10, | |
41 | factor: 3, | |
42 | maxTimeout: Infinity, | |
43 | errorCodes: [ 'EADDRINFO', 'ETIMEDOUT', 'ECONNRESET', 'ESOCKETTIMEDOUT', 'ENOTFOUND', 'ECONNREFUSED' ] | |
44 | } | |
45 | ).on('replay', function (replay) { | |
46 | logger.info('Replaying request to %s. Request failed: %d %s. Replay number: #%d. Will retry in: %d ms.', | |
47 | params.url, replay.error.code, replay.error.message, replay.number, replay.delay) | |
48 | }) | |
49 | } | |
50 | ||
51 | // ----------- Public attributes ---------- | |
52 | utils.certDir = __dirname + '/../' + config.get('storage.certs') | |
53 | ||
54 | // { path, data } | |
a1860380 | 55 | utils.makeMultipleRetryRequest = function (all_data, pods, callbackEach, callback) { |
8c308c2b C |
56 | if (!callback) { |
57 | callback = callbackEach | |
58 | callbackEach = function () {} | |
59 | } | |
60 | ||
61 | var url = http + '://' + host + ':' + port | |
62 | var signature | |
63 | ||
a1860380 C |
64 | // Add signature if it is specified in the params |
65 | if (all_data.method === 'POST' && all_data.data && all_data.sign === true) { | |
d148f3b9 | 66 | var myKey = ursa.createPrivateKey(fs.readFileSync(utils.certDir + 'peertube.key.pem')) |
8c308c2b C |
67 | signature = myKey.hashAndSign('sha256', url, 'utf8', 'hex') |
68 | } | |
69 | ||
70 | // Make a request for each pod | |
71 | for (var pod of pods) { | |
72 | var params = { | |
a1860380 C |
73 | url: pod.url + all_data.path, |
74 | method: all_data.method | |
8c308c2b C |
75 | } |
76 | ||
77 | // Add data with POST requst ? | |
a1860380 | 78 | if (all_data.method === 'POST' && all_data.data) { |
8c308c2b C |
79 | logger.debug('Make a POST request.') |
80 | ||
81 | // Encrypt data ? | |
a1860380 | 82 | if (all_data.encrypt === true) { |
8c308c2b C |
83 | var crt = ursa.createPublicKey(pod.publicKey) |
84 | ||
85 | // TODO: ES6 with let | |
86 | ;(function (crt_copy, copy_params, copy_url, copy_pod, copy_signature) { | |
a1860380 | 87 | utils.symetricEncrypt(JSON.stringify(all_data.data), function (err, dataEncrypted) { |
8c308c2b C |
88 | if (err) throw err |
89 | ||
90 | var passwordEncrypted = crt_copy.encrypt(dataEncrypted.password, 'utf8', 'hex') | |
91 | copy_params.json = { | |
92 | data: dataEncrypted.crypted, | |
93 | key: passwordEncrypted | |
94 | } | |
95 | ||
96 | makeRetryRequest(copy_params, copy_url, copy_pod, copy_signature, callbackEach) | |
97 | }) | |
98 | })(crt, params, url, pod, signature) | |
99 | } else { | |
a1860380 | 100 | params.json = { data: all_data.data } |
8c308c2b C |
101 | makeRetryRequest(params, url, pod, signature, callbackEach) |
102 | } | |
103 | } else { | |
104 | logger.debug('Make a GET/DELETE request') | |
105 | makeRetryRequest(params, url, pod, signature, callbackEach) | |
106 | } | |
107 | } | |
108 | ||
109 | return callback() | |
110 | } | |
111 | ||
112 | utils.certsExist = function (callback) { | |
d148f3b9 | 113 | fs.exists(utils.certDir + 'peertube.key.pem', function (exists) { |
8c308c2b C |
114 | return callback(exists) |
115 | }) | |
116 | } | |
117 | ||
118 | utils.createCerts = function (callback) { | |
119 | utils.certsExist(function (exist) { | |
120 | if (exist === true) { | |
121 | var string = 'Certs already exist.' | |
122 | logger.warning(string) | |
123 | return callback(new Error(string)) | |
124 | } | |
125 | ||
a1860380 | 126 | logger.info('Generating a RSA key...') |
2696b9af | 127 | openssl.exec('genrsa', { 'out': utils.certDir + 'peertube.key.pem', '2048': false }, function (err) { |
8c308c2b C |
128 | if (err) { |
129 | logger.error('Cannot create private key on this pod.', { error: err }) | |
130 | return callback(err) | |
131 | } | |
a1860380 | 132 | logger.info('RSA key generated.') |
8c308c2b | 133 | |
a1860380 | 134 | logger.info('Manage public key...') |
d148f3b9 | 135 | openssl.exec('rsa', { 'in': utils.certDir + 'peertube.key.pem', 'pubout': true, 'out': utils.certDir + 'peertube.pub' }, function (err) { |
8c308c2b C |
136 | if (err) { |
137 | logger.error('Cannot create public key on this pod .', { error: err }) | |
138 | return callback(err) | |
139 | } | |
140 | ||
a1860380 | 141 | logger.info('Public key managed.') |
8c308c2b C |
142 | return callback(null) |
143 | }) | |
144 | }) | |
145 | }) | |
146 | } | |
147 | ||
148 | utils.createCertsIfNotExist = function (callback) { | |
149 | utils.certsExist(function (exist) { | |
150 | if (exist === true) { | |
151 | return callback(null) | |
152 | } | |
153 | ||
154 | utils.createCerts(function (err) { | |
155 | return callback(err) | |
156 | }) | |
157 | }) | |
158 | } | |
159 | ||
160 | utils.generatePassword = function (callback) { | |
161 | crypto.randomBytes(32, function (err, buf) { | |
162 | if (err) { | |
163 | return callback(err) | |
164 | } | |
165 | ||
166 | callback(null, buf.toString('utf8')) | |
167 | }) | |
168 | } | |
169 | ||
170 | utils.symetricEncrypt = function (text, callback) { | |
171 | utils.generatePassword(function (err, password) { | |
172 | if (err) { | |
173 | return callback(err) | |
174 | } | |
175 | ||
176 | var cipher = crypto.createCipher(algorithm, password) | |
177 | var crypted = cipher.update(text, 'utf8', 'hex') | |
178 | crypted += cipher.final('hex') | |
179 | callback(null, { crypted: crypted, password: password }) | |
180 | }) | |
181 | } | |
182 | ||
183 | utils.symetricDecrypt = function (text, password) { | |
184 | var decipher = crypto.createDecipher(algorithm, password) | |
185 | var dec = decipher.update(text, 'hex', 'utf8') | |
186 | dec += decipher.final('utf8') | |
187 | return dec | |
188 | } | |
189 | ||
0ae2e7f7 C |
190 | utils.cleanForExit = function (webtorrent_process) { |
191 | logger.info('Gracefully exiting') | |
192 | process.kill(-webtorrent_process.pid) | |
193 | } | |
194 | ||
8c308c2b C |
195 | module.exports = utils |
196 | })() |