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<?php
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<?php
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/*
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/*
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 * VtsLDAPUtils - Simple LDAP helper functions
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 * VtsLDAPUtils - Simple LDAP helper functions
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 * Copyright 2021 Daniel Marschall, ViaThinkSoft
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 * Copyright 2021 - 2023 Daniel Marschall, ViaThinkSoft
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 * Revision: 2021-06-11
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 * Revision: 2023-04-09
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 *
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 * You may obtain a copy of the License at
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 *
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 *
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class VtsLDAPUtils {
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class VtsLDAPUtils {
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        protected $conn = null;
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        protected $conn = null;
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        private static function _L($str, ...$sprintfArgs) {
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        private static function _L(string $str, ...$sprintfArgs): string {
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                if (function_exists('_L')) {
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                if (function_exists('_L')) {
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                        return _L($str, $sprintfArgs);
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                        return _L($str, $sprintfArgs);
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                } else if (function_exists('my_vsprintf')) {
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                } else if (function_exists('my_vsprintf')) {
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                        return my_vsprintf($str, $sprintfArgs);
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                        return my_vsprintf($str, $sprintfArgs);
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                } else {
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                } else {
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                if (!($result = @ldap_search($this->conn,$cfg_ldap_base_dn, $cfg_ldap_user_filter))) throw new Exception(self::_L('Error in search query: %1', ldap_error($this->conn)));
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                if (!($result = @ldap_search($this->conn,$cfg_ldap_base_dn, $cfg_ldap_user_filter))) throw new Exception(self::_L('Error in search query: %1', ldap_error($this->conn)));
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                $data = ldap_get_entries($this->conn, $result);
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                $data = ldap_get_entries($this->conn, $result);
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                $ldap_userinfo = array();
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                $ldap_userinfo = array();
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                if ($data['count'] == 0) return false;
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                if ($data['count'] == 0) return false; /* @phpstan-ignore-line */
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                $ldap_userinfo = $data[0];
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                $ldap_userinfo = $data[0];
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                // empty($ldap_userinfo) can happen if the user did not log-in using their correct userPrincipalName (e.g. "username@domainname" instead of "username@domainname.local")
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                // empty($ldap_userinfo) can happen if the user did not log-in using their correct userPrincipalName (e.g. "username@domainname" instead of "username@domainname.local")
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                return empty($ldap_userinfo) ? false : $ldap_userinfo;
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                return empty($ldap_userinfo) ? false : $ldap_userinfo;
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        }
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        }