Create peerId properly/randomly

1 files changed, 12 insertions, 1 deletions

diff --git a/git-remote-gittorrent b/git-remote-gittorrent
index ef74a21..ea1bc38 100755
--- a/git-remote-gittorrent
+++ b/git-remote-gittorrent
@@ -4,12 +4,22 @@ var Chalk = require('chalk')
 var DHT = require('bittorrent-dht')
 var exec = require('child_process').exec
 var fs = require('fs')
+var hat = require('hat')
 var magnet = require('magnet-uri')
 var prettyjson = require('prettyjson')
 var spawn = require('child_process').spawn
 var Swarm = require('bittorrent-swarm')
 var ut_gittorrent = require('ut_gittorrent')
 var WebTorrent = require('webtorrent')
+var zeroFill = require('zero-fill')
+
+// BitTorrent client version string (used in peer ID).
+// Generated from package.json major and minor version. For example:
+//   '0.16.1' -> '0016'
+//   '1.2.5' -> '0102'
+//
+var VERSION = require('./package.json').version
+  .match(/([0-9]+)/g).slice(0, 2).map(zeroFill(2)).join('')
 
 function die (error) {
   console.error(error)
@@ -92,7 +102,8 @@ function get_infohash (ref) {
     swarm.addPeer(addr)
   })
 
-  var swarm = new Swarm(parsed.infoHash, 'cafebabecafebabecafecafebabecafebabecafe')
+  var peerId = new Buffer('-WW' + VERSION + '-' + hat(48), 'utf8')
+  var swarm = new Swarm(parsed.infoHash, peerId)
   swarm.on('wire', function (wire, addr) {
     console.warn('Adding swarm peer: ' + chalk.green(addr) + '\n')
     wire.use(ut_gittorrent())