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Viewing file:     initialize.js (2.1 KB)      -rw-r--r--

/**
 * Module dependencies.
 */
var IncomingMessageExt = require('../http/request');


/**
 * Passport initialization.
 *
 * Intializes Passport for incoming requests, allowing authentication strategies
 * to be applied.
 *
 * If sessions are being utilized, applications must set up Passport with
 * functions to serialize a user into and out of a session.  For example, a
 * common pattern is to serialize just the user ID into the session (due to the
 * fact that it is desirable to store the minimum amount of data in a session).
 * When a subsequent request arrives for the session, the full User object can
 * be loaded from the database by ID.
 *
 * Note that additional middleware is required to persist login state, so we
 * must use the `connect.session()` middleware _before_ `passport.initialize()`.
 *
 * If sessions are being used, this middleware must be in use by the
 * Connect/Express application for Passport to operate.  If the application is
 * entirely stateless (not using sessions), this middleware is not necessary,
 * but its use will not have any adverse impact.
 *
 * Examples:
 *
 *     app.use(connect.cookieParser());
 *     app.use(connect.session({ secret: 'keyboard cat' }));
 *     app.use(passport.initialize());
 *     app.use(passport.session());
 *
 *     passport.serializeUser(function(user, done) {
 *       done(null, user.id);
 *     });
 *
 *     passport.deserializeUser(function(id, done) {
 *       User.findById(id, function (err, user) {
 *         done(err, user);
 *       });
 *     });
 *
 * @return {Function}
 * @api public
 */
module.exports = function initialize(passport, options) {
  options = options || {};
  
  return function initialize(req, res, next) {
    req.login =
    req.logIn = IncomingMessageExt.logIn;
    req.logout =
    req.logOut = IncomingMessageExt.logOut;
    req.isAuthenticated = IncomingMessageExt.isAuthenticated;
    req.isUnauthenticated = IncomingMessageExt.isUnauthenticated;
    
    if (options.userProperty) {
      req._userProperty = options.userProperty;
    }
    
    req._passport = {};
    req._passport.instance = passport;

    next();
  };
};