107 lines
3.0 KiB
JavaScript
107 lines
3.0 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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'use strict';
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var loopback = require('../../lib/loopback');
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var utils = require('../../lib/utils');
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/**
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* The `RoleMapping` model extends from the built in `loopback.Model` type.
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*
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* @property {String} id Generated ID.
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* @property {String} name Name of the role.
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* @property {String} Description Text description.
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*
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* @class RoleMapping
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* @inherits {PersistedModel}
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*/
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module.exports = function(RoleMapping) {
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// Principal types
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RoleMapping.USER = 'USER';
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RoleMapping.APP = RoleMapping.APPLICATION = 'APP';
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RoleMapping.ROLE = 'ROLE';
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RoleMapping.resolveRelatedModels = function() {
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if (!this.userModel) {
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var reg = this.registry;
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this.roleModel = reg.getModelByType('Role');
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this.userModel = reg.getModelByType('User');
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this.applicationModel = reg.getModelByType('Application');
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}
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};
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/**
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* Get the application principal
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* @callback {Function} callback
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* @param {Error} err
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* @param {Application} application
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*/
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RoleMapping.prototype.application = function(callback) {
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callback = callback || utils.createPromiseCallback();
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this.constructor.resolveRelatedModels();
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if (this.principalType === RoleMapping.APPLICATION) {
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var applicationModel = this.constructor.applicationModel;
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applicationModel.findById(this.principalId, callback);
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} else {
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process.nextTick(function() {
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callback(null, null);
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});
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}
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return callback.promise;
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};
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/**
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* Get the user principal
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* @callback {Function} callback
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* @param {Error} err
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* @param {User} user
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*/
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RoleMapping.prototype.user = function(callback) {
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callback = callback || utils.createPromiseCallback();
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this.constructor.resolveRelatedModels();
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var userModel;
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if (this.principalType === RoleMapping.USER) {
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userModel = this.constructor.userModel;
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userModel.findById(this.principalId, callback);
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return callback.promise;
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}
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// try resolving a user model that matches principalType
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userModel = this.constructor.registry.findModel(this.principalType);
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if (userModel) {
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userModel.findById(this.principalId, callback);
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} else {
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process.nextTick(function() {
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callback(null, null);
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});
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}
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return callback.promise;
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};
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/**
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* Get the child role principal
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* @callback {Function} callback
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* @param {Error} err
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* @param {User} childUser
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*/
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RoleMapping.prototype.childRole = function(callback) {
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callback = callback || utils.createPromiseCallback();
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this.constructor.resolveRelatedModels();
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if (this.principalType === RoleMapping.ROLE) {
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var roleModel = this.constructor.roleModel;
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roleModel.findById(this.principalId, callback);
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} else {
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process.nextTick(function() {
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callback(null, null);
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});
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}
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return callback.promise;
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};
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};
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