Finished problems page (untested)

[vchess.git] / utils / access.js

var Access = {};

// Prevent access to "users pages"
Access.logged = function(req, res, next)
{
	if (req.userId == 0)
		return res.redirect("/");
	next();
};

// Prevent access to "anonymous pages"
Access.unlogged = function(req, res, next)
{
	if (req.userId > 0)
		return res.redirect("/");
	next();
};

// Prevent direct access to AJAX results
Access.ajax = function(req, res, next)
{
	if (!req.xhr)
		return res.json({errmsg: "Unauthorized access"});
	next();
}

// Check for errors before callback (continue page loading). TODO: better name.
Access.checkRequest = function(res, err, out, msg, cb)
{
	if (!!err)
		return res.json({errmsg: err.errmsg || err.toString()});
	if (!out
		|| (Array.isArray(out) && out.length == 0)
		|| (typeof out === "object" && Object.keys(out).length == 0))
	{
		return res.json({errmsg: msg});
	}
	cb();
}

module.exports = Access;