70 lines
1.8 KiB
JavaScript
70 lines
1.8 KiB
JavaScript
// Copyright IBM Corp. 2014,2018. All Rights Reserved.
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// Node module: loopback
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// This file is licensed under the MIT License.
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// License text available at https://opensource.org/licenses/MIT
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/*!
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* Module dependencies.
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*/
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'use strict';
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var g = require('../../lib/globalize');
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var loopback = require('../../lib/loopback');
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var async = require('async');
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/*!
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* Export the middleware.
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*/
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module.exports = rest;
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/**
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* Expose models over REST.
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*
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* For example:
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* ```js
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* app.use(loopback.rest());
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* ```
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* For more information, see [Exposing models over a REST API](http://loopback.io/doc/en/lb2/Exposing-models-over-REST.html).
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* @header loopback.rest()
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*/
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function rest() {
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var handlers; // Cached handlers
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return function restApiHandler(req, res, next) {
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var app = req.app;
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var registry = app.registry;
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if (!handlers) {
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handlers = [];
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var remotingOptions = app.get('remoting') || {};
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var contextOptions = remotingOptions.context;
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if (contextOptions !== undefined && contextOptions !== false) {
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throw new Error(g.f(
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'%s was removed in version 3.0. See %s for more details.',
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'remoting.context option',
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'http://loopback.io/doc/en/lb2/Using-current-context.html'
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));
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}
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if (app.isAuthEnabled) {
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var AccessToken = registry.getModelByType('AccessToken');
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handlers.push(loopback.token({model: AccessToken, app: app}));
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}
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handlers.push(function(req, res, next) {
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// Need to get an instance of the REST handler per request
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return app.handler('rest')(req, res, next);
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});
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}
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if (handlers.length === 1) {
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return handlers[0](req, res, next);
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}
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async.eachSeries(handlers, function(handler, done) {
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handler(req, res, done);
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}, next);
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};
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}
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