All files / node-activedirectory/lib/services service.findUser.js

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const _                                 = require('underscore');
const User                              = require('../models/user');
const joinAttributes                    = require('./internal/service.joinAttributes');
const includeGroupMembershipFor         = require('./internal/service.includeGroupMembershipFor');
const search                            = require('./internal/service.search');
const truncateLogOutput                 = require('./internal/service.truncateLogOutput');
const pickAttributes                    = require('./internal/service.pickAttributes');
const getRequiredLdapAttributesForUser  = require('./internal/service.getRequiredLdapAttributesForUser');
const getUserQueryFilter                = require('./internal/service.getUserQueryFilter');
const getGroupMembershipForDN           = require('./service.getGroupMembershipForDn');
let log                                 = require('./internal/service.log');
let defaultAttributes                   = require('../configs/config.defaultAttributes');
 
/**
 * Retrieves the specified user.
 *
 * @public
 * @param {Object} [opts] Optional LDAP query string parameters to execute. { scope: '', filter: '', attributes: [ '', '', ... ], sizeLimit: 0, timelimit: 0 }
 * @param {String} username The username to retrieve information about. Optionally can pass in the distinguishedName (dn) of the user to retrieve.
 * @param {Boolean} [includeMembership] OBSOLETE; NOT NOT USE. Indicates if the results should include group memberships for the user. Defaults to false.
 * @param {Function} callback The callback to execute when completed. callback(err: {Object}, user: {User})
 */
function findUser(opts, username, includeMembership, callback) {
    if (typeof (includeMembership) === 'function') {
        callback = includeMembership;
        includeMembership = undefined;
    }
    if (typeof (username) === 'function') {
        callback = username;
        username = opts;
        opts = undefined;
    }
    if (typeof (username) === 'boolean') {
        includeMembership = username;
        username = opts;
    }
    if (typeof (opts) === 'string') {
        username = opts;
        opts = undefined;
    }
    log.trace('findUser(%j,%s,%s)', opts, username, includeMembership);
    var self = this;
    return new Promise((resolve, reject) => {        
    
        var localOpts = _.defaults(_.omit(opts || {}, 'attributes'), {
            filter: getUserQueryFilter.call(self, username),
            scope: 'sub',
            attributes: joinAttributes((opts || {}).attributes || defaultAttributes.user || [], getRequiredLdapAttributesForUser(opts))
        });
        search.call(self, localOpts, function onSearch(err, results) {
            if (err) {
                if (callback){
                    callback(err);
                }
                return reject(err);
            }
    
            if ((!results) || (results.length === 0)) {
                log.warn('User "%s" not found for query "%s"', username, truncateLogOutput(localOpts.filter));
                if (callback){
                    callback(null, {});
                }
                return resolve({});
            }
    
            var user = new User(pickAttributes(results[0], (opts || {}).attributes || defaultAttributes.user));
            log.info('%d user(s) found for query "%s". Returning first user: %j', results.length, truncateLogOutput(localOpts.filter), user);
    
            // Also retrieving user group memberships?
            if (includeGroupMembershipFor(opts, 'user') || includeMembership) {
                getGroupMembershipForDN.call(self, opts, user.dn, function (err, groups) {
                    if (err) {
                        if (callback){
                            callback(err);
                        } 
                        return reject(err);
                    }
    
                    user.groups = groups;
                    self.emit('user', user);
                    if (callback){
                        callback(null, user);
                    } 
                    return resolve(user);
                });
            }
            else {
                self.emit('user', user);
                if(err){
                    if (callback){
                        callback(err);
                    }
                    return reject(err);
                }
                if(callback){
                    callback(null, user);
                }
                return resolve(user);                
            }
        });
    });    
};
 
module.exports = findUser;