loopback/server/middleware/rest.js

66 lines
1.7 KiB
JavaScript

/*!
* Module dependencies.
*/
var loopback = require('../../lib/loopback');
var async = require('async');
/*!
* 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() {
return function restApiHandler(req, res, next) {
var app = req.app;
var restHandler = app.handler('rest');
if (req.url === '/routes') {
return res.send(restHandler.adapter.allRoutes());
} else if (req.url === '/models') {
return res.send(app.remotes().toJSON());
}
var preHandlers;
if (!preHandlers) {
preHandlers = [];
var remotingOptions = app.get('remoting') || {};
var contextOptions = remotingOptions.context;
if (contextOptions !== false) {
if (typeof contextOptions !== 'object')
contextOptions = {};
preHandlers.push(loopback.context(contextOptions));
}
if (app.isAuthEnabled) {
// 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);
preHandlers.push(loopback.token({ model: AccessToken }));
}
}
async.eachSeries(preHandlers.concat(restHandler), function(handler, done) {
handler(req, res, done);
}, next);
};
}