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97 lines
2.7 KiB
97 lines
2.7 KiB
1 year ago
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<?php
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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/**
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* A class for validating LDAP credentials.
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*/
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class CLdapAuthValidator extends CValidator {
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/**
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* Initialized LDAP service instance to test user credentials.
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*
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* @var CLdap
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*/
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public $ldap;
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/**
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* Switch between more detailed or more generic error message mode.
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*
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* @var type
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*/
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protected $detailed_errors = false;
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/**
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* Checks if the given user name and password are valid.
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*
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* The $value array must have the following attributes:
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* - username - user name
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* - password - password
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*
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* @param array $value
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*
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* @return bool
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*/
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public function validate($value) {
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$status = $this->ldap->checkCredentials($value['username'], $value['password']);
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if (!$status) {
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$this->setError($this->ldap->error);
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}
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return $status;
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}
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/**
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* Return error message.
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*
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* @return string
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*/
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public function getError() {
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$error = parent::getError();
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$messages = [
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CLdap::ERR_PHP_EXTENSION => _('PHP LDAP extension missing.'),
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CLdap::ERR_SERVER_UNAVAILABLE => _('Cannot connect to LDAP server.'),
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CLdap::ERR_BIND_FAILED => _('Cannot bind to LDAP server.'),
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CLdap::ERR_BIND_ANON_FAILED => _('Cannot bind anonymously to LDAP server.'),
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CLdap::ERR_OPT_PROTOCOL_FAILED => _('Setting LDAP protocol failed.'),
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CLdap::ERR_OPT_TLS_FAILED => _('Starting TLS failed.'),
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CLdap::ERR_OPT_REFERRALS_FAILED => _('Setting LDAP referrals to "Off" failed.'),
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CLdap::ERR_OPT_DEREF_FAILED => _('Setting LDAP dereferencing mode failed.'),
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CLdap::ERR_BIND_DNSTRING_UNAVAILABLE => _('Cannot bind to LDAP server.')
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];
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$messages[CLdap::ERR_USER_NOT_FOUND] = $this->detailed_errors
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? _('Login name or password is incorrect.')
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: _('Incorrect user name or password or account is temporarily blocked.');
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return array_key_exists($error, $messages) ? $messages[$error] : '';
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}
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/**
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* Check if connection error.
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*
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* @return bool
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*/
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public function isConnectionError() {
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return (parent::getError() !== CLdap::ERR_USER_NOT_FOUND);
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}
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}
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