Added debugging to challenge creation

stephen · Nov 23, 2014 · 3adef1f · 3adef1f
1 parent 66f7fe8
commit 3adef1f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/lib/helper.js b/lib/helper.js
@@ -5,6 +5,7 @@ var rsa = forge.pki.rsa;
 
 var fs = require('fs');
 var crypto = require('crypto');
+var debug = require('debug')('nodetunes:helper');
 
 var parseSdp = function(msg) {
   var multi = [ 'a', 'p', 'b' ];
@@ -78,6 +79,9 @@ var getPrivateKey = function() {
 var privateKey = getPrivateKey();
 
 var generateAppleResponse = function(challengeBuf, ipAddr, macAddr) {
+  debug = require('debug')('nodetunes:helper'); // HACK: need to reload debug here (https://github.com/visionmedia/debug/issues/150)
+  debug('building challenge for %s (ip: %s, mac: %s)', challengeBuf.toString('base64'), ipAddr.toString('hex'), macAddr.toString('hex'));
+
   var fullChallenge = Buffer.concat([ challengeBuf, ipAddr, macAddr ]);
 
   // im sure there's an easier way to pad this buffer
@@ -88,6 +92,7 @@ var generateAppleResponse = function(challengeBuf, ipAddr, macAddr) {
 
   fullChallenge = Buffer.concat([ fullChallenge, new Buffer(padding) ]).toString('binary');
   var response = forge.pki.rsa.encrypt(fullChallenge, privateKey, 0x01);
+  debug('computed challenge: %s', forge.util.encode64(response));
 
   return forge.util.encode64(response);
 };