loopback/lib/middleware/rest.js

59 lines
1.4 KiB
JavaScript

/*!
* Module dependencies.
*/
var loopback = require('../loopback');
/*!
* Export the middleware.
*/
module.exports = rest;
/**
* Expose models over REST.
*
* For example:
* ```js
* app.use(loopback.rest());
* ```
* For more information, see [Exposing models over a REST API](http://docs.strongloop.com/display/DOC/Exposing+models+over+a+REST+API).
* @header loopback.rest()
*/
function rest() {
var tokenParser = null;
return function (req, res, next) {
var app = req.app;
var handler = app.handler('rest');
if(req.url === '/routes') {
res.send(handler.adapter.allRoutes());
} else if(req.url === '/models') {
return res.send(app.remotes().toJSON());
} else if (app.isAuthEnabled) {
if (!tokenParser) {
// NOTE(bajtos) It would be better to search app.models for a model
// of type AccessToken instead of searching all loopback models.
// Unfortunately that's not supported now.
// Related discussions:
// https://github.com/strongloop/loopback/pull/167
// https://github.com/strongloop/loopback/commit/f07446a
var AccessToken = loopback.getModelByType(loopback.AccessToken);
tokenParser = loopback.token({ model: AccessToken });
}
tokenParser(req, res, function(err) {
if (err) {
next(err);
} else {
handler(req, res, next);
}
});
} else {
handler(req, res, next);
}
};
}