MISSING_HEADER error on jwt.verify()

gistfile1.js

var config = require('../../app-config');
var User = require('../models/user-model');
var jwt = require('jsonwebtoken');

var sendStatus = function(res, stat) {
		var status = stat;
		var http = require('http');
		res.status(status).end(http.STATUS_CODES[status]);
	}



exports.verify = function(req, res) {

	var token = (req.body && req.body.token) || (req.query && req.query.token) || req.headers['authorization'];

	if (token) {
		jwt.verify(token, config.secret, function(err, decoded) {
			console.log(err); // missing header
			console.log(decoded); // undefined
		});
	} else {
		// sendStatus(res, 401);
		res.end()
	}
};

/**
 *	Create a new "session" by returning a new token
 *
 */
exports.create = function(req, res) {

	User.findOne({
		username: req.body.username
	}, function(err, usr) {
		if (err || !usr) {
			return sendStatus(res, 401);
		}

		usr.comparePassword(req.body.password, function(err, isMatch) {
			if (err) throw err;
			if (!isMatch) {
				sendStatus(res, 401);
			} else {
				var token = jwt.sign(usr, config.secret, {
					expiresInMinutes: 60 * 24
				});
				delete usr.password;
				res.json({
					token: token,
					user: usr
				});
			}
		});

	});

};