(api) Add support for HTTP Basic auth

lib/cradle.js

@@ -33,7 +33,7 @@ cradle.setup = function (settings) {
 
 cradle.Connection = function Connection(/* variable args */) {
     var args = Array.prototype.slice.call(arguments),
-        host, port, remote, options = {};
+        host, port, remote, auth, options = {};
 
     if (typeof(args[0]) === 'string') {
         remote = args[0].replace('http://', '').split(':');
@@ -46,6 +46,7 @@ cradle.Connection = function Connection(/* variable args */) {
         options = args[0];
         host = options.host;
         port = parseInt(options.port);
+        auth = options.auth;
     // The host and port were passed separately
     } else if (args.length >= 2) {
         host = args[0];
@@ -55,6 +56,7 @@ cradle.Connection = function Connection(/* variable args */) {
 
     this.host = host || cradle.host;
     this.port = port || cradle.port;
+    this.auth = auth || cradle.auth;
     this.options = cradle.merge({}, cradle.options, options);
 
     this.socket = http.createClient(this.port, this.host);
@@ -74,6 +76,11 @@ cradle.Connection.prototype.rawRequest = function (method, path, options, data,
     // HTTP Headers
     headers = cradle.merge({ host: this.host }, headers || {});
 
+    // Set HTTP Basic Auth
+    if (this.auth) {
+      headers['Authorization'] = "Basic " + new Buffer(this.auth.user + ':' + this.auth.pass).toString('base64');
+    }
+
     path = (path || '/').replace('http://','').replace(/\/{2,}/g, '/');
     if (path.charAt(0) !== '/') { path = '/' + path }