fix undefined skins_dir, add http_timeout to config

modules/config.js

@@ -2,7 +2,9 @@ var config = {
   min_size: 0,             // < 0 will (obviously) cause crash
   max_size: 512,           // too big values might lead to slow response time or DoS
   default_size: 180,       // size to be used when no size given
-  browser_cache_time: 3600 // seconds until browser will request image again
+  browser_cache_time: 3600,// seconds until browser will request image again
+  http_timeout: 1000,      // ms until connection to mojang is dropped
+  skins_dir: 'skins/'      // directory where skins are kept. should have trailing '/'
 };
 
 module.exports = config;

modules/helpers.js

@@ -4,7 +4,6 @@ var skins = require('./skins');
 var fs = require('fs');
 
 var valid_uuid = /^[0-9a-f]{32}$/;
-var skins_dir = config.skins_dir;
 
 var exp = {};
 
@@ -42,7 +41,7 @@ exp.uuid_valid = function(uuid) {
 //   2: profile requested/found, skin downloaded from mojang servers
 //   3: profile requested/found, but it has no skin
 exp.get_avatar = function(uuid, size, callback) {
-  var filepath = skins_dir + uuid + ".png";
+  var filepath = config.skins_dir + uuid + ".png";
   if (fs.existsSync(filepath)) {
     skins.resize_img(filepath, size, function(result) {
       callback(null, 1, result);

modules/networking.js

@@ -1,4 +1,5 @@
 var request = require('request');
+var config = require('./config');
 var skins = require('./skins');
 
 var session_url = "https://sessionserver.mojang.com/session/minecraft/profile/";
@@ -8,7 +9,7 @@ var exp = {};
 exp.get_profile = function(uuid, callback) {
   request.get({
     url: session_url + uuid,
-    timeout: 1000 // ms
+    timeout: config.http_timeout // ms
   }, function (error, response, body) {
     if (!error && response.statusCode == 200) {
       callback(null, JSON.parse(body));
@@ -36,7 +37,7 @@ exp.skin_file = function(url, outname, callback) {
   request.get({
     url: url,
     encoding: null, // encoding must be null so we get a buffer
-    timeout: 1000 // ms
+    timeout: config.http_timeout // ms
   }, function (error, response, body) {
     if (!error && response.statusCode == 200) {
       skins.extract_face(body, outname, function() {