started moving admin mdw into middleware/admin.js; res.render post-processing to append admin footer/header

src/middleware/admin.js

@@ -0,0 +1,49 @@
+"use strict";
+
+var app,
+	middleware = {},
+	nconf = require('nconf'),
+	user = require('./../user'),
+	plugins = require('./../plugins');
+
+
+middleware.isAdmin = function (req, res, next) {
+	user.isAdministrator((req.user && req.user.uid) ? req.user.uid : 0, function (err, isAdmin) {
+		if (!isAdmin) {
+			res.status(403);
+			res.redirect('/403');
+		} else {
+			next();
+		}
+	});
+};
+
+middleware.buildHeader = function (req, res, callback) {
+	var custom_header = {
+		'plugins': [],
+		'authentication': []
+	};
+
+	user.getUserFields(req.user.uid, ['username', 'userslug', 'picture'], function(err, userData) {
+		plugins.fireHook('filter:admin.header.build', custom_header, function(err, custom_header) {
+			callback(err, templates['admin/header'].parse({
+				csrf: res.locals.csrf_token,
+				relative_path: nconf.get('relative_path'),
+				plugins: custom_header.plugins,
+				authentication: custom_header.authentication,
+				userpicture: userData.picture,
+				username: userData.username,
+				userslug: userData.userslug,
+				'cache-buster': meta.config['cache-buster'] ? 'v=' + meta.config['cache-buster'] : '',
+				env: process.env.NODE_ENV ? true : false
+			}));
+		});
+	});
+};
+
+
+
+module.exports = function(webserver) {
+	app = webserver;
+	return middleware;
+};