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OAuthAuthenticator.js
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OAuthAuthenticator.js
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var extend = require('util')._extend;
var ArgumentError = require('rest-facade').ArgumentError;
var RestClient = require('rest-facade').Client;
/**
* @class
* Abstracts the sign-in, sign-up and change-password processes for Database &
* Active Directory auhtentication services.
* @constructor
* @memberOf module:auth
*
* @param {Object} options Authenticator options.
* @param {String} options.baseUrl The auth0 account URL.
* @param {String} [options.clientId] Default client ID.
* @param {String} [options.clientSecret] Default client Secret.
*/
var OAuthAuthenticator = function (options) {
if (!options) {
throw new ArgumentError('Missing authenticator options');
}
if (typeof options !== 'object') {
throw new ArgumentError('The authenticator options must be an object');
}
/**
* Options object for the Rest Client instace.
*
* @type {Object}
*/
var clientOptions = {
errorFormatter: { message: 'message', name: 'error' }
};
this.oauth = new RestClient(options.baseUrl + '/oauth/:type', clientOptions);
this.clientId = options.clientId;
this.clientSecret = options.clientSecret;
};
/**
* Sign in using a username and password.
*
* @method signIn
* @memberOf module:auth.OAuthAuthenticator.prototype
*
* @example <caption>
* Given the social provider's access_token and the connection specified, it
* will do the authentication on the provider and return a JSON with the
* access_token and id_token. Currently, this endpoint only works for
* Facebook, Google, Twitter and Weibo. More information in the
* <a href="https://auth0.com/docs/auth-api#!#post--oauth-access_token">
* API Docs
* </a>.
* </caption>
*
* var data = {
* client_id: '{CLIENT_ID}', // Optional field.
* access_token: '{USER_SOCIAL_ACCESS_TOKEN}',
* connection: 'facebook',
* scope: 'openid' // Optional field.
* };
*
* auth0.oauth.socialSignIn(data, function (err, userData) {
* if (err) {
* // Handle error.
* }
*
* console.log(userData);
* });
*
* @param {Object} userData User credentials object.
* @param {String} userData.username Username.
* @param {String} userData.password User password.
* @param {String} userData.connection The identity provider in use.
*
* @return {Promise|undefined}
*/
OAuthAuthenticator.prototype.signIn = function (userData, cb) {
var params = {
type: 'ro'
};
var defaultFields = {
client_id: this.clientId,
grant_type: 'password',
scope: 'openid'
};
var data = extend(defaultFields, userData);
if (!userData || typeof userData !== 'object') {
throw new ArgumentError('Missing user data object');
}
if (typeof data.connection !== 'string'
|| data.connection.split().length === 0)
{
throw new ArgumentError('connection field is required');
}
if (cb && cb instanceof Function) {
return this.oauth.create(params, data, cb);
}
return this.oauth.create(params, data);
};
/**
* Sign in using a social provider access token.
*
* @method socialSignIn
* @memberOf module:auth.OAuthAuthenticator.prototype
*
* @param {Object} data User credentials object.
* @param {String} data.access_token User access token.
* @param {String} data.connection Identity provider.
*
* @return {Promise|undefined}
*/
OAuthAuthenticator.prototype.socialSignIn = function (data, cb) {
var params = {
type: 'access_token'
};
if (typeof data !== 'object') {
throw new ArgumentError('Missing user credential objects');
}
if (typeof data.access_token !== 'string'
|| data.access_token.trim().length === 0) {
throw new ArgumentError('access_token field is required');
}
if (typeof data.connection !== 'string'
|| data.connection.trim().length === 0) {
throw new ArgumentError('connection field is required');
}
if (cb && cb instanceof Function) {
return this.oauth.create(params, data, cb);
}
return this.oauth.create(params, data);
};
OAuthAuthenticator.prototype.clientCredentialsGrant = function(options, cb) {
var params = {
type: 'token'
};
var defaultFields = {
grant_type: "client_credentials",
client_id: this.clientId,
client_secret: this.clientSecret
};
var data = extend(defaultFields, options);
if (!options || typeof options !== 'object') {
throw new ArgumentError('Missing options object');
}
if (!data.client_id || data.client_id.trim().length === 0) {
throw new ArgumentError('client_id field is required');
}
if (!data.client_secret || data.client_secret.trim().length === 0) {
throw new ArgumentError('client_secret field is required');
}
if (cb && cb instanceof Function) {
return this.oauth.create(params, data, cb);
}
return this.oauth.create(params, data);
};
module.exports = OAuthAuthenticator;