<?php

use ProcessMaker\Model\RbacAuthenticationSource;
use ProcessMaker\Model\RbacUsers;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use ProcessMaker\BusinessModel\User;
use ProcessMaker\Model\Department;
use ProcessMaker\Model\Groupwf;

class LdapSource
{
    public $authSourceUid;
    public $ldapcnn = null;
    public $terminatedOu;
    private $arrayDepartmentUserSynchronizedChecked = [];

    private $arrayObjectClassFilter = [
        "user" => "|(objectclass=inetorgperson)(objectclass=organizationalperson)(objectclass=person)(objectclass=user)",
        "group" => "|(objectclass=posixgroup)(objectclass=group)(objectclass=groupofuniquenames)",
        "department" => "|(objectclass=organizationalunit)"
    ];
    private $arrayAttributes = [
        "ldap" => ["uid" => "uid", "member" => "memberuid"], //OpenLDAP
        "ad" => ["uid" => "samaccountname", "member" => "member"], //Active Directory
        "ds" => ["uid" => "uid", "member" => "uniquemember"] //389 DS
    ];

    private $arrayAttributesForUser = ["dn", "uid", "samaccountname", "givenname", "sn", "cn", "mail", "userprincipalname", "useraccountcontrol", "accountexpires", "manager"];

    public function __destruct() {
        if ($this->ldapcnn) {
            @ldap_close($this->ldapcnn);
        }
    }

    public function ldapConnection($authSourceData) {
        // Removing sensitive data
        $loggableAuthSource = $authSourceData;
        unset($loggableAuthSource['AUTH_SOURCE_PASSWORD']);

        $ldapcnn = ldap_connect($authSourceData['AUTH_SOURCE_SERVER_NAME'], $authSourceData['AUTH_SOURCE_PORT']);
        $this->stdLog($ldapcnn, 'ldap_connect', $loggableAuthSource);

        $ldapServer = $authSourceData['AUTH_SOURCE_SERVER_NAME'] . ':' . $authSourceData['AUTH_SOURCE_PORT'];

        ldap_set_option($ldapcnn, LDAP_OPT_PROTOCOL_VERSION, 3);
        $this->stdLog($ldapcnn, 'ldap_set_option', $loggableAuthSource);
        ldap_set_option($ldapcnn, LDAP_OPT_REFERRALS, 0);
        $this->stdLog($ldapcnn, 'ldap_set_option', $loggableAuthSource);

        $resultLDAPStartTLS = true;
        if (isset($authSourceData['AUTH_SOURCE_ENABLED_TLS']) && $authSourceData['AUTH_SOURCE_ENABLED_TLS']) {
            ldap_set_option($ldapcnn, LDAP_OPT_X_TLS_REQUIRE_CERT, LDAP_OPT_X_TLS_ALLOW);
            $resultLDAPStartTLS = @ldap_start_tls($ldapcnn);
            $this->stdLog($ldapcnn, 'ldap_start_tls', $loggableAuthSource);
            $ldapServer = 'TLS ' . $ldapServer;
        }

        if ($authSourceData['AUTH_ANONYMOUS'] == '1') {
            $bBind = ldap_bind($ldapcnn);
            $this->log($ldapcnn, 'bind ' . $ldapServer . ' like anonymous user');
        } else {
            $bBind = ldap_bind($ldapcnn, $authSourceData['AUTH_SOURCE_SEARCH_USER'], $authSourceData['AUTH_SOURCE_PASSWORD']);
            $this->log($ldapcnn, 'bind ' . $ldapServer . ' with user ' . $loggableAuthSource['AUTH_SOURCE_SEARCH_USER']);
        }
        $this->stdLog($ldapcnn, 'ldap_bind', $loggableAuthSource);
        $this->getDiagnosticMessage($ldapcnn);
        if (!$bBind) {
            $message = 'Unable to bind to server: ' . $ldapServer . 'LDAP-Errno: ' . ldap_errno($ldapcnn) . ' : ' . ldap_error($ldapcnn) . " \n";
            throw new Exception($message);
        }
        $this->ldapcnn = $ldapcnn;
        return ['connection' =>$ldapcnn, 'startTLS' => $resultLDAPStartTLS];
    }

    public function searchGroups() {
        try {
            $arrayGroup = [];

            $filters = ['conditions' => ['AUTH_SOURCE_UID'=> $this->authSourceUid]];
            $rbacAuthenticationSource = new RbacAuthenticationSource();
            $authSourceReturn = $rbacAuthenticationSource->show($filters);
            $authenticationSourceData = $authSourceReturn['data'][0];
            $authenticationSourceData['AUTH_SOURCE_DATA'] = json_decode($authenticationSourceData['AUTH_SOURCE_DATA'], true);
            $authenticationSourceData['AUTH_SOURCE_PASSWORD'] = G::decrypt($authenticationSourceData['AUTH_SOURCE_PASSWORD'], URL_KEY);

            if (is_null($this->ldapcnn)) {
                $ldapcnn = $this->ldapConnection($authenticationSourceData);
                $this->ldapcnn = $ldapcnn['connection'];
            }

            $ldapcnn = $this->ldapcnn;
            // Get Groups
            $limit = $this->getPageSizeLimitByData($authenticationSourceData);
            $flagError = false;
            $filter = '(' . $this->arrayObjectClassFilter['group'] . ')';
            $this->log($ldapcnn, 'search groups with Filter: ' . $filter);

            $cookie = '';
            do {
                $searchResult = @ldap_search(
                    $ldapcnn,
                    $authenticationSourceData['AUTH_SOURCE_BASE_DN'],
                    $filter,
                    ['dn', 'cn'],
                    0,
                    -1,
                    -1,
                    LDAP_DEREF_NEVER,
                    [['oid' => LDAP_CONTROL_PAGEDRESULTS, 'value' => ['size' => $limit, 'cookie' => $cookie]]]
                );
                ldap_parse_result($ldapcnn, $searchResult, $errcode, $matcheddn, $errmsg, $referrals, $controls);
                $this->stdLog($ldapcnn, "ldap_search", ["filter" => $filter, "attributes" => ['dn', 'cn']]);

                $context = [
                    "baseDN" => $authenticationSourceData['AUTH_SOURCE_BASE_DN'],
                    "filter" => $filter,
                    "attributes" => ['dn', 'cn']
                ];
                $this->stdLog($ldapcnn, "ldap_search", $context);

                if ($error = ldap_errno($ldapcnn)) {
                    $this->log($ldapcnn, 'Error in Search');

                    $flagError = true;
                } else {
                    if ($searchResult) {
                        //Get groups from the ldap entries
                        $countEntries = ldap_count_entries($ldapcnn, $searchResult);
                        $this->stdLog($ldapcnn, "ldap_count_entries");

                        if ($countEntries > 0) {
                            $entry = ldap_first_entry($ldapcnn, $searchResult);
                            $this->stdLog($ldapcnn, "ldap_first_entry");

                            do {
                                $arrayEntryData = $this->ldapGetAttributes($ldapcnn, $entry);

                                if (isset($arrayEntryData['cn']) && !is_array($arrayEntryData['cn'])) {
                                    $arrayGroup[] = [
                                        'dn' => $arrayEntryData['dn'],
                                        'cn' => trim($arrayEntryData['cn']),
                                        'users' => 0,
                                    ];
                                }
                            } while ($entry = ldap_next_entry($ldapcnn, $entry));
                        }
                    }
                }

                if (!$flagError) {
                    if (isset($controls[LDAP_CONTROL_PAGEDRESULTS]['value']['cookie'])) {
                        // You need to pass the cookie from the last call to the next one
                        $cookie = $controls[LDAP_CONTROL_PAGEDRESULTS]['value']['cookie'];
                    } else {
                        $cookie = '';
                    }
                }
                // Empty cookie means last page
            } while (!empty($cookie) && !$flagError);

            $str = '';

            foreach ($arrayGroup as $group) {
                $str .= ' ' . $group['cn'];
            }

            $this->log($ldapcnn, 'found ' . count($arrayGroup) . ' groups: ' . $str);
            return $arrayGroup;
        } catch (Exception $e) {
            throw $e;
        }
    }

    public function searchDepartments() {
        try {
            $arrayDepartment = [];

            $filters = ['conditions' => ['AUTH_SOURCE_UID'=> $this->authSourceUid]];
            $rbacAuthenticationSource = new RbacAuthenticationSource();
            $authSourceReturn = $rbacAuthenticationSource->show($filters);
            $authenticationSourceData = $authSourceReturn['data'][0];
            $authenticationSourceData['AUTH_SOURCE_DATA'] = json_decode($authenticationSourceData['AUTH_SOURCE_DATA'], true);
            $authenticationSourceData['AUTH_SOURCE_PASSWORD'] = G::decrypt($authenticationSourceData['AUTH_SOURCE_PASSWORD'], URL_KEY);

            if (is_null($this->ldapcnn)) {
                $ldapcnn = $this->ldapConnection($authenticationSourceData);
                $this->ldapcnn = $ldapcnn['connection'];
            }
            $this->terminatedOu = $attributes['AUTH_SOURCE_RETIRED_OU'] ?? '';
            $ldapcnn = $this->ldapcnn;

            //Get Departments
            $limit = $this->getPageSizeLimitByData($authenticationSourceData);
            $flagError = false;
            $filter = '(' . $this->arrayObjectClassFilter['department'] . ')';
            $this->log($ldapcnn, 'search Departments with Filter: ' . $filter);
            $unitsBase = $this->custom_ldap_explode_dn($authenticationSourceData['AUTH_SOURCE_BASE_DN']);

            $cookie = '';
            do {
                $searchResult = @ldap_search(
                    $ldapcnn,
                    $authenticationSourceData['AUTH_SOURCE_BASE_DN'],
                    $filter,
                    ['dn', 'ou'],
                    0,
                    -1,
                    -1,
                    LDAP_DEREF_NEVER,
                    [['oid' => LDAP_CONTROL_PAGEDRESULTS, 'value' => ['size' => $limit, 'cookie' => $cookie]]]
                );
                ldap_parse_result($ldapcnn, $searchResult, $errcode, $matcheddn, $errmsg, $referrals, $controls);
                $this->stdLog($ldapcnn, "ldap_search", ["filter" => $filter, "attributes" => ['dn', 'ou']]);

                $context = [
                    "baseDN" => $authenticationSourceData['AUTH_SOURCE_BASE_DN'],
                    "filter" => $filter,
                    "attributes" => ['dn', 'ou']
                ];
                $this->stdLog($ldapcnn, "ldap_search", $context);

                if ($error = ldap_errno($ldapcnn)) {
                    $this->log($ldapcnn, 'Error in Search');

                    $flagError = true;
                } else {
                    if ($searchResult) {
                        //The first node is root
                        if (empty($arrayDepartment)) {
                            $arrayDepartment[] = [
                                'dn' => $authenticationSourceData['AUTH_SOURCE_BASE_DN'],
                                'parent' => '',
                                'ou' => 'ROOT',
                                'users' => 0
                            ];
                        }

                        //Get departments from the ldap entries
                        if (ldap_count_entries($ldapcnn, $searchResult) > 0) {
                            $this->stdLog($ldapcnn, "ldap_count_entries");
                            $entry = ldap_first_entry($ldapcnn, $searchResult);
                            $this->stdLog($ldapcnn, "ldap_first_entry", $context);

                            do {
                                $arrayEntryData = $this->ldapGetAttributes($ldapcnn, $entry);
                                $unitsEqual = $this->custom_ldap_explode_dn($arrayEntryData['dn']);

                                if (count($unitsEqual) == 1 && $unitsEqual[0] == '') {
                                    continue;
                                }

                                if (count($unitsEqual) > count($unitsBase)) {
                                    unset($unitsEqual[0]);
                                }

                                if (isset($arrayEntryData['ou']) && !is_array($arrayEntryData['ou'])) {
                                    $arrayDepartment[] = [
                                        'dn' => $arrayEntryData['dn'],
                                        'parent' => (isset($unitsEqual[1])) ? implode(',', $unitsEqual) : '',
                                        'ou' => trim($arrayEntryData['ou']),
                                        'users' => 0
                                    ];
                                }
                            } while ($entry = ldap_next_entry($ldapcnn, $entry));
                        }
                    }
                }

                if (!$flagError) {
                    if (isset($controls[LDAP_CONTROL_PAGEDRESULTS]['value']['cookie'])) {
                        // You need to pass the cookie from the last call to the next one
                        $cookie = $controls[LDAP_CONTROL_PAGEDRESULTS]['value']['cookie'];
                    } else {
                        $cookie = '';
                    }
                }
                // Empty cookie means last page
            } while (!empty($cookie) && !$flagError);

            $str = '';

            foreach ($arrayDepartment as $dep) {
                $str .= ' ' . $dep['ou'];
            }

            $this->log($ldapcnn, 'found ' . count($arrayDepartment) . ' departments: ' . $str);
            return $arrayDepartment;
        } catch (Exception $e) {
            throw $e;
        }
    }

    public function getPageSizeLimit($ldapcnn, $baseDn = '')
    {
        try {
            $limit = 1000;

            if ($ldapcnn === false) {
                return $limit;
            }

            $searchResult = @ldap_search($ldapcnn, $baseDn, '(|(objectclass=*))', ['dn']);
            $context = [
                'baseDN' => $baseDn,
                'filter' => '(|(objectclass=*))',
                'attributes' => ['dn']
            ];
            $this->stdLog($ldapcnn, 'ldap_search', $context);

            if ($searchResult) {
                $countEntries = ldap_count_entries($ldapcnn, $searchResult);
                $this->stdLog($ldapcnn, 'ldap_count_entries');

                if ($countEntries > 0) {
                    $limit = ($countEntries > $limit) ? $limit : $countEntries;
                }
            }

            return $limit;
        } catch (Exception $e) {
            throw $e;
        }
    }

    private function getDiagnosticMessage($linkIdentifier)
    {
        //specific message
        $keysError = [
            [
                'key' => 'USER_NOT_FOUND',
                'code' => 525,
                'message' => G::LoadTranslation('ID_LDAP_USER_NOT_FOUND_INVALID'),
            ], [
                'key' => 'NOT_PERMITTED_TO_LOGON_AT_THIS_TIME',
                'code' => 530,
                'message' => G::LoadTranslation('ID_LDAP_NOT_PERMITTED_TO_LOGON_AT_THIS_TIME'),
            ], [
                'key' => 'RESTRICTED_TO_SPECIFIC_MACHINES',
                'code' => 531,
                'message' => G::LoadTranslation('ID_LDAP_RESTRICTED_TO_SPECIFIC_MACHINES'),
            ], [
                'key' => 'PASSWORD_EXPIRED',
                'code' => 532,
                'message' => G::LoadTranslation('ID_LDAP_PASSWORD_EXPIRED'),
            ], [
                'key' => 'ACCOUNT_DISABLED',
                'code' => 533,
                'message' => G::LoadTranslation('ID_LDAP_ACCOUNT_DISABLED'),
            ], [
                'key' => 'ACCOUNT_EXPIRED',
                'code' => 701,
                'message' => G::LoadTranslation('ID_LDAP_ACCOUNT_EXPIRED'),
            ], [
                'key' => 'USER_MUST_RESET_PASSWORD',
                'code' => 773,
                'message' => G::LoadTranslation('ID_LDAP_USER_MUST_RESET_PASSWORD'),
            ]
        ];
        $message = '';
        ldap_get_option($linkIdentifier, LDAP_OPT_DIAGNOSTIC_MESSAGE, $messageError);
        $this->stdLog($linkIdentifier, 'ldap_get_option', ['error' => $messageError]);
        foreach ($keysError as $key => $value) {
            if (strpos($messageError, (string) $value['code']) !== false) {
                $message = $value['message'];
                break;
            }
        }
        //standard message
        if (empty($message)) {
            $errorNumber = ldap_errno($linkIdentifier);
            $message = ldap_err2str($errorNumber) . '.';
        }
        if (empty($message)) {
            $message = G::LoadTranslation('ID_LDAP_ERROR_CONNECTION');
        }
        Cache::put('ldapMessageError', $message, 120); //laravel 8.x the time parameter is in seconds.
        $this->log($linkIdentifier, $messageError);
    }

    private function log($link, $text)
    {
        $logFile = PATH_DATA . 'logs/ldap.log';

        if (!file_exists($logFile)) {
            file_put_contents($logFile, "Start\n");
            @chmod($logFile, 0644);
        }

        if (!is_writable($logFile)) {
            error_log('Log file is not writable: ' . $logFile);
            throw new Exception('Log file is not writable: ' . $logFile);
        }

        $fpt = fopen($logFile, 'a');
        $ldapErrorMsg = '';
        $ldapErrorNr = 0;

        if ($link != null) {
            $ldapErrorNr = ldap_errno($link);

            if ($ldapErrorNr != 0) {
                $ldapErrorMsg = ldap_error($link);
                $text = $ldapErrorMsg . ' : ' . $text;
            }
        }

        // Log format: date hour ipaddress workspace ldapErrorNr
        fwrite($fpt, sprintf("%s %s %s %s %s \n", date('Y-m-d H:i:s'), getenv('REMOTE_ADDR'), config('system.workspace'), $ldapErrorNr, $text));
        fclose($fpt);
    }

    private function stdLog($link, $message = "", $context = [], $level = "info")
    {
        try {
            if (empty($link)) {
                switch ($level) {
                    case "error":
                        Log::channel(':ldapAdvanced')->error($message, Bootstrap::context($context));
                        break;
                    case "info":
                    default:
                        Log::channel(':ldapAdvanced')->info($message, Bootstrap::context($context));
                        break;
                }
                return;
            }
            $code = ldap_errno($link);
            $detail = ldap_err2str($code);
            $context["detail"] = $detail;
            if ($code === 0) {
                Log::channel(':ldapAdvanced')->info($message, Bootstrap::context($context));
            } else {
                Log::channel(':ldapAdvanced')->error($message, Bootstrap::context($context));
            }
        } catch (Exception $exception) {
            return ['success' => false, 'message' => $exception->getMessage()];
        }
    }

    
    public function searchUsersLdap($keyword, $start = null, $limit = null) {
        $arrayUser = [];
        $totalUser = 0;
        $countUser = 0;

        $paged = !is_null($start) && !is_null($limit);

        $filters = [
            'conditions' => ['AUTH_SOURCE_UID' => $this->authSourceUid],
        ];
        $rbacAuthenticationSource = new RbacAuthenticationSource();
        $authSourceReturn = $rbacAuthenticationSource->show($filters);
        $arrayAuthenticationSourceData = $authSourceReturn['data'][0];
        $arrayAuthenticationSourceData['AUTH_SOURCE_DATA'] = json_decode($arrayAuthenticationSourceData['AUTH_SOURCE_DATA'], true);
        $arrayAuthenticationSourceData['AUTH_SOURCE_PASSWORD'] = G::decrypt($arrayAuthenticationSourceData['AUTH_SOURCE_PASSWORD'], URL_KEY);

        $attributeUserSet = [];
        $attributeSetAdd = [];

        if (
            isset($arrayAuthenticationSourceData['AUTH_SOURCE_DATA']['AUTH_SOURCE_GRID_ATTRIBUTE']) && !empty($arrayAuthenticationSourceData['AUTH_SOURCE_DATA']['AUTH_SOURCE_GRID_ATTRIBUTE'])
        ) {
            foreach ($arrayAuthenticationSourceData['AUTH_SOURCE_DATA']['AUTH_SOURCE_GRID_ATTRIBUTE'] as $value) {
                $attributeSetAdd[] = $value['attributeLdap'];
                $attributeUserSet[$value['attributeUser']] = $value['attributeLdap'];
            }
        }

        $ldapcnn = $this->ldapConnection($arrayAuthenticationSourceData);
        $ldapcnn = $ldapcnn['connection'];

        //Get Users
        if (!isset($arrayAuthenticationSourceData['AUTH_SOURCE_DATA']['AUTH_SOURCE_USERS_FILTER'])) {
            $arrayAuthenticationSourceData['AUTH_SOURCE_DATA']['AUTH_SOURCE_USERS_FILTER'] = '';
        }

        $uidUserIdentifier = (isset($arrayAuthenticationSourceData['AUTH_SOURCE_DATA']['AUTH_SOURCE_IDENTIFIER_FOR_USER'])) ? $arrayAuthenticationSourceData['AUTH_SOURCE_DATA']['AUTH_SOURCE_IDENTIFIER_FOR_USER'] : 'uid';
        $filterUsers = trim($arrayAuthenticationSourceData['AUTH_SOURCE_DATA']['AUTH_SOURCE_USERS_FILTER']);
        $filter = ($filterUsers != '') ? $filterUsers : '(' . $this->arrayObjectClassFilter['user'] . ')';
        $filtersDefault = "(|(dn=$keyword)(uid=$keyword)(samaccountname=$keyword)(givenname=$keyword)(sn=$keyword)(cn=$keyword)(mail=$keyword)(userprincipalname=$keyword))";
        $filter = '(&' . $filter . $filtersDefault . ')';

        $oSearch = @ldap_search($ldapcnn, $arrayAuthenticationSourceData['AUTH_SOURCE_BASE_DN'], $filter, array_merge($this->arrayAttributesForUser, $attributeSetAdd));
        $context = [
            'baseDN' => $arrayAuthenticationSourceData['AUTH_SOURCE_BASE_DN'],
            'filter' => $filter,
            'attribute' => array_merge($this->arrayAttributesForUser, $attributeSetAdd)
        ];
        $this->stdLog($ldapcnn, 'ldap_search', $context);

        if ($oError = ldap_errno($ldapcnn)) {
            $this->log($ldapcnn, 'Error in Search users');
        } else {
            if ($oSearch) {
                $entries = ldap_count_entries($ldapcnn, $oSearch);
                $this->stdLog($ldapcnn, 'ldap_count_entries');
                $totalUser = $entries;

                if ($entries > 0) {
                    $oEntry = ldap_first_entry($ldapcnn, $oSearch);
                    $this->stdLog($ldapcnn, 'ldap_first_entry');
                    $countEntries = 0;
                    $flagNextRecord = true;

                    do {
                        $aAttr = $this->ldapGetAttributes($ldapcnn, $oEntry);
                        $sUsername = (isset($aAttr[$uidUserIdentifier])) ? $aAttr[$uidUserIdentifier] : '';

                        if ((is_array($sUsername) && !empty($sUsername)) || trim($sUsername) != '') {
                            $countUser++;
                            $userCountControl = '';
                            //Active Directory, openLdap
                            if (isset($aAttr['useraccountcontrol'])) {
                                switch ($aAttr['useraccountcontrol']) {
                                    case '512':
                                    case '544':
                                    case '66048':
                                    case '66080':
                                        $userCountControl = 'ACTIVE';
                                        break;
                                    case '514':
                                    case '546':
                                    case '66050':
                                    case '66082':
                                    case '2':
                                    case '16':
                                    case '8388608':
                                    default:
                                        $userCountControl = 'INACTIVE';
                                        break;
                                }
                            }
                            //apache ldap
                            if (isset($aAttr['status'])) {
                                $userCountControl = strtoupper($aAttr['status']);
                            }
                            $aUserAttributes = [];
                            foreach ($attributeUserSet as $key => $value) {
                                if ($key == 'USR_STATUS') {
                                    $aUserAttributes[$key] = ($userCountControl != '') ? $userCountControl : 'ACTIVE';
                                } elseif (isset($aAttr[$value])) {
                                    $aUserAttributes[$key] = $aAttr[$value];
                                }
                            }

                            if ($paged) {
                                if ($countUser - 1 <= $start + $limit - 1) {
                                    if ($start <= $countUser - 1) {
                                        $arrayUser[] = array_merge($this->getUserDataFromAttribute($sUsername, $aAttr), $aUserAttributes);
                                    }
                                } else {
                                    $flagNextRecord = false;
                                }
                            } else {
                                $arrayUser[] = array_merge($this->getUserDataFromAttribute($sUsername, $aAttr), $aUserAttributes);
                            }

                            $countEntries++;
                        }
                    } while (($oEntry = ldap_next_entry($ldapcnn, $oEntry)) && $flagNextRecord);
                }
            }
        }
        $response = [
            'numRecTotal' => $totalUser,
            'data' => $arrayUser,
            'context' => $context
        ];
        return $response;
    }

    private function getUserDataFromAttribute($username, array $arrayAttributes)
    {
        try {
            $keyMail = (isset($arrayAttributes['mail'])) ? 'mail' : ((isset($arrayAttributes['userprincipalname'])) ? 'userprincipalname' : 'nomail');

            return [
                'sUsername' => trim((is_array($username)) ? $username[0] : $username),
                'sPassword' => trim((isset($arrayAttributes['userpassword'])) ? ((is_array($arrayAttributes['userpassword'])) ? $arrayAttributes['userpassword'][0] : $arrayAttributes['userpassword']) : ''),
                'sFullname' => trim((isset($arrayAttributes['cn'])) ? ((is_array($arrayAttributes['cn'])) ? $arrayAttributes['cn'][0] : $arrayAttributes['cn']) : ''),
                'sFirstname' => trim((isset($arrayAttributes['givenname'])) ? ((is_array($arrayAttributes['givenname'])) ? $arrayAttributes['givenname'][0] : $arrayAttributes['givenname']) : ''),
                'sLastname' => trim((isset($arrayAttributes['sn'])) ? ((is_array($arrayAttributes['sn'])) ? $arrayAttributes['sn'][0] : $arrayAttributes['sn']) : ''),
                'sEmail' => trim((isset($arrayAttributes[$keyMail])) ? ((is_array($arrayAttributes[$keyMail])) ? $arrayAttributes[$keyMail][0] : $arrayAttributes[$keyMail]) : ''),
                'sDN' => trim($arrayAttributes['dn']),
                'sManagerDN' => trim((isset($arrayAttributes['manager'])) ? ((is_array($arrayAttributes['manager'])) ? $arrayAttributes['manager'][0] : $arrayAttributes['manager']) : ''),
                // TODO REMOVE THIS LAST INDEX, ONLY FOR REVIEW
                'allAttributes' => (array)$arrayAttributes
            ];
        } catch (Exception $e) {
            throw $e;
        }
    }

    private function getPageSizeLimitByData(array $arrayAuthSourceData)
    {
        if (isset($arrayAuthSourceData['AUTH_SOURCE_DATA']['LDAP_PAGE_SIZE_LIMIT'])) {
            return $arrayAuthSourceData['AUTH_SOURCE_DATA']['LDAP_PAGE_SIZE_LIMIT'];
        } else {
            return $this->getPageSizeLimit(false);
        }
    }

    private function ldapGetAttributes($ldapcnn, $entry)
    {
        try {
            $arrayAttributes = [];

            $arrayAttributes['dn'] = ldap_get_dn($ldapcnn, $entry);
            $this->stdLog($ldapcnn, 'ldap_get_dn');

            $arrayAux = ldap_get_attributes($ldapcnn, $entry);
            $this->stdLog($ldapcnn, 'ldap_get_attributes');

            for ($i = 0; $i <= $arrayAux['count'] - 1; $i++) {
                $key = strtolower($arrayAux[$i]);

                switch ($arrayAux[$arrayAux[$i]]['count']) {
                    case 0:
                        $arrayAttributes[$key] = '';
                        break;
                    case 1:
                        $arrayAttributes[$key] = $arrayAux[$arrayAux[$i]][0];
                        break;
                    default:
                        $arrayAttributes[$key] = $arrayAux[$arrayAux[$i]];

                        unset($arrayAttributes[$key]['count']);
                        break;
                }
            }

            if (!isset($arrayAttributes['mail']) && isset($arrayAttributes['userprincipalname'])) {
                $arrayAttributes['mail'] = $arrayAttributes['userprincipalname'];
            }

            return $arrayAttributes;
        } catch (Exception $e) {
            throw $e;
        }
    }

    public function custom_ldap_explode_dn($dn)
    {
        $dn = trim($dn, ',');
        $result = ldap_explode_dn($dn, 0);
        $this->stdLog(null, "ldap_explode_dn", ["dn" => $dn]);

        if (is_array($result)) {
            unset($result['count']);

            foreach ($result as $key => $value) {
                $result[$key] = addcslashes(preg_replace_callback("/\\\([0-9A-Fa-f]{2})/", function ($m) {
                    return chr(hexdec($m[1]));
                }, $value), '<>,"');
            }
        }

        return $result;
    }


    //-------------------------
    public function automaticRegister($authSource, $strUser, $strPass)
    {
        $rbac = RBAC::getSingleton();

        $user = $this->searchUserByUid($strUser);

        $result = 0;
        if (!empty($user)) {
            if ($this->VerifyLogin($user['sUsername'], $strPass) === true) {
                $result = 1;
            }

            if ($result == 0 && $this->VerifyLogin($user['sDN'], $strPass) === true) {
                $result = 1;
            }
        } else {
            return 0;
        }

        if ($result == 0) {
            $filters = ['conditions' => ['AUTH_SOURCE_UID'=> $this->authSourceUid]];
            $rbacAuthenticationSource = new RbacAuthenticationSource();
            $authSourceReturn = $rbacAuthenticationSource->show($filters);
            $authenticationSourceData = $authSourceReturn['data'][0];
            $authenticationSourceData['AUTH_SOURCE_DATA'] = json_decode($authenticationSourceData['AUTH_SOURCE_DATA'], true);

            $attributes = [];
            if (isset($authSource['AUTH_SOURCE_DATA']['AUTH_SOURCE_GRID_ATTRIBUTE'])) {
                $attributes = $authSource['AUTH_SOURCE_DATA']['AUTH_SOURCE_GRID_ATTRIBUTE'];
            }

            $usrRole = 'LURANA_OPERATOR';
            if (!empty($authSource['AUTH_SOURCE_DATA']['USR_ROLE'])) {
                $usrRole = $authSource['AUTH_SOURCE_DATA']['USR_ROLE'];
            }
            $data = [];
            $data['USR_USERNAME'] = $user['sUsername'];
            $data["USR_PASSWORD"] = "00000000000000000000000000000000";
            $data['USR_FIRSTNAME'] = $user['sFirstname'];
            $data['USR_LASTNAME'] = $user['sLastname'];
            $data['USR_EMAIL'] = $user['sEmail'];
            $data['USR_DUE_DATE'] = date('Y-m-d', mktime(0, 0, 0, date('m'), date('d'), date('Y') + 2));
            $data['USR_CREATE_DATE'] = date('Y-m-d H:i:s');
            $data['USR_UPDATE_DATE'] = date('Y-m-d H:i:s');
            $data['USR_BIRTHDAY'] = date('Y-m-d');
            $data['USR_STATUS'] = (isset($user['USR_STATUS'])) ? (($user['USR_STATUS'] == 'ACTIVE') ? 1 : 0) : 1;
            $data['USR_AUTH_TYPE'] = strtolower($authSource['AUTH_SOURCE_PROVIDER']);
            $data['UID_AUTH_SOURCE'] = $authSource['AUTH_SOURCE_UID'];
            $data['USR_AUTH_USER_DN'] = $user['sDN'];
            $data['USR_ROLE'] = $usrRole;

            if (!empty($attributes)) {
                foreach ($attributes as $value) {
                    if (isset($user[$value['attributeUser']])) {
                        $data[$value['attributeUser']] = str_replace("*", "'", $user[$value['attributeUser']]);
                        if ($value['attributeUser'] == 'USR_STATUS') {
                            $evalValue = $data[$value['attributeUser']];
                            $statusValue = (isset($user['USR_STATUS'])) ? $user['USR_STATUS'] : 'ACTIVE';
                            $data[$value['attributeUser']] = $statusValue;
                        }
                    }
                }
            }

            //req - accountexpires
            if (isset($user["USR_DUE_DATE"]) && $user["USR_DUE_DATE"] != '') {
                $data["USR_DUE_DATE"] = $this->convertDateADtoPM($user["USR_DUE_DATE"]);
            }
            //end

            $userUid = $rbac->createUser($data, $usrRole);
            $data['USR_UID'] = $userUid;

            $users = new Users();
            $data['USR_STATUS'] = (isset($user['USR_STATUS'])) ? $user['USR_STATUS'] : 'ACTIVE';
            $users->create($data);
            $this->log(null, "Automatic Register for user $strUser ");
            $result = 1;
        }

        return $result;
    }

    public function searchUserByUid($keyword, $identifier = "")
    {
        try {
            $arrayUserData = [];

            $filters = ['conditions' => ['AUTH_SOURCE_UID'=> $this->authSourceUid]];
            $rbacAuthenticationSource = new RbacAuthenticationSource();
            $authSourceReturn = $rbacAuthenticationSource->show($filters);
            $authenticationSourceData = $authSourceReturn['data'][0];
            $authenticationSourceData['AUTH_SOURCE_DATA'] = json_decode($authenticationSourceData['AUTH_SOURCE_DATA'], true);
            $authenticationSourceData['AUTH_SOURCE_PASSWORD'] = G::decrypt($authenticationSourceData['AUTH_SOURCE_PASSWORD'], URL_KEY);

            if (is_null($this->ldapcnn)) {
                $ldapcnn = $this->ldapConnection($authenticationSourceData);
                $this->ldapcnn = $ldapcnn['connection'];
            }

            $ldapcnn = $this->ldapcnn;

            //Get User
            $attributeUserSet = [];
            $attributeSetAdd = [];

            if (
                isset($authenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_GRID_ATTRIBUTE"]) && !empty($authenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_GRID_ATTRIBUTE"])
            ) {
                foreach ($authenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_GRID_ATTRIBUTE"] as $value) {
                    $attributeSetAdd[] = $value["attributeLdap"];
                    $attributeUserSet[$value["attributeUser"]] = $value["attributeLdap"];
                }
            }

            $uidUserIdentifier = (isset($authenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_IDENTIFIER_FOR_USER"])) ? $authenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_IDENTIFIER_FOR_USER"] : "uid";

            $filter2 = "";

            if ($identifier != "" && $identifier != $uidUserIdentifier) {
                $filter2 = "($identifier=$keyword)";
            }

            $filter = "(&(" . $this->arrayObjectClassFilter["user"] . ")(|($uidUserIdentifier=$keyword)$filter2))";

            $searchResult = @ldap_search($ldapcnn, $authenticationSourceData["AUTH_SOURCE_BASE_DN"], $filter, array_merge($this->arrayAttributesForUser, $attributeSetAdd));
            $context = [
                "baseDN" => $authenticationSourceData["AUTH_SOURCE_BASE_DN"],
                "filter" => $filter,
                "attribute" => array_merge($this->arrayAttributesForUser, $attributeSetAdd)
            ];
            $this->stdLog($ldapcnn, "ldap_search", $context);

            if ($error = ldap_errno($ldapcnn)) {
                $messageError = ldap_err2str($error);
                Cache::put('ldapMessageError', $messageError, 120); //laravel 8.x the time parameter is in seconds.
                //
            } else {
                if ($searchResult) {
                    $numEntries = ldap_count_entries($ldapcnn, $searchResult);
                    $this->stdLog($ldapcnn, "ldap_count_entries");

                    if ($numEntries > 0) {
                        $entry = ldap_first_entry($ldapcnn, $searchResult);
                        $this->stdLog($ldapcnn, "ldap_first_entry");
                        $arrayUserLdap = $this->ldapGetAttributes($ldapcnn, $entry);
                        $username = (isset($arrayUserLdap[$uidUserIdentifier])) ? $arrayUserLdap[$uidUserIdentifier] : "";

                        if ((is_array($username) && !empty($username)) || trim($username) != "") {
                            $userCountControl = "";

                            //Active Directory, OpenLDAP
                            if (isset($arrayUserLdap["useraccountcontrol"])) {
                                switch ($arrayUserLdap["useraccountcontrol"]) {
                                    case "512":
                                    case "544":
                                    case "66048":
                                    case "66080":
                                        $userCountControl = "ACTIVE";
                                        break;
                                    case "514":
                                    case "546":
                                    case "66050":
                                    case "66082":
                                    case "2":
                                    case "16":
                                    case "8388608":
                                    default:
                                        $userCountControl = "INACTIVE";
                                        break;
                                }
                            }

                            //Apache LDAP
                            if (isset($arrayUserLdap["status"])) {
                                $userCountControl = strtoupper($arrayUserLdap["status"]);
                            }

                            $aUserAttributes = [];

                            foreach ($attributeUserSet as $key => $value) {
                                if ($key == "USR_STATUS") {
                                    $aUserAttributes[$key] = ($userCountControl != "") ? $userCountControl : "ACTIVE";
                                } else {
                                    if (isset($arrayUserLdap[$value])) {
                                        $aUserAttributes[$key] = $arrayUserLdap[$value];
                                    }
                                }
                            }

                            $arrayUserData = array_merge($this->getUserDataFromAttribute($username, $arrayUserLdap), $aUserAttributes);
                        }
                    }
                }
            }

            return $arrayUserData;
        } catch (Exception $e) {
            throw $e;
        }
    }

    public function VerifyLogin($strUser, $strPass)
    {
        if (is_array($strUser)) {
            $strUser = $strUser[0];
        } else {
            $strUser = trim($strUser);
        }

        if ($strUser == "") {
            return -1;
        }

        if (strlen($strPass) == 0) {
            return -2;
        }

        $userDn = $strUser;
        $ldapcnn = null;
        $validUserPass = 1;

        try {
            $filters = ['conditions' => ['AUTH_SOURCE_UID'=> $this->authSourceUid]];
            $rbacAuthenticationSource = new RbacAuthenticationSource();
            $authSourceReturn = $rbacAuthenticationSource->show($filters);
            $authenticationSourceData = $authSourceReturn['data'][0];
            $authenticationSourceData['AUTH_SOURCE_DATA'] = json_decode($authenticationSourceData['AUTH_SOURCE_DATA'], true);

            if (
                isset($authenticationSourceData['AUTH_SOURCE_DATA']['AUTH_SOURCE_SHOWGRID']) &&
                $authenticationSourceData['AUTH_SOURCE_DATA']['AUTH_SOURCE_SHOWGRID'] == 'on'
            ) {
                $setAttributes = 1;
            }
            $filters = [
                'fields' => ['USR_USERNAME', 'USR_UID'],
                'conditions' => [
                    'UID_AUTH_SOURCE' => $authenticationSourceData["AUTH_SOURCE_UID"],
                    'USR_AUTH_USER_DN' => $strUser,
                    ['USR_USERNAME', '!=', '']
                ]
            ];
            $rbacUsers = new RbacUsers();
            $usersByAuthSource = $rbacUsers->show($filters);
            if (!empty($usersByAuthSource['data'] && !empty($usersByAuthSource['data'][0]))) {
                $usrName = $usersByAuthSource['data'][0]['USR_USERNAME'];
                $usrUid = $usersByAuthSource['data'][0]['USR_UID'];
            } else {
                return -1;
            }

            $verifiedUser = $this->searchUserByUid($usrName, $authenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_IDENTIFIER_FOR_USER"]);

            if (empty($verifiedUser) || trim($verifiedUser["sDN"]) == null) {
                return -1;
            }

            /*
            if ($verifiedUser["sDN"] != $strUser || $setAttributes == 1) {
                $userDn = $verifiedUser['sDN'];

                // Update data
                $user = new User();
                $arrayUserData = $user->getUserRecordByPk($usrUid, [], false);

                $result = $this->ldapUserUpdateByDnAndData(
                    $this->ldapcnn,
                    $authenticationSourceData,
                    $userDn,
                    [$arrayUserData['USR_USERNAME'] => $arrayUserData]
                );

                //Update DN
                $con = Propel::getConnection(RbacUsersPeer::DATABASE_NAME);
                // select set
                $c1 = new Criteria("rbac");
                $c1->add(RbacUsersPeer::UID_AUTH_SOURCE, $authenticationSourceData["AUTH_SOURCE_UID"]);
                $c1->add(RbacUsersPeer::USR_AUTH_USER_DN, $strUser);
                // update set
                $c2 = new Criteria("rbac");
                $c2->add(RbacUsersPeer::USR_AUTH_USER_DN, $userDn);

                BasePeer::doUpdate($c1, $c2, $con);
            }
            */

            //Check ldap connection for user
            $authenticationSourceData["AUTH_ANONYMOUS"] = "0";
            $authenticationSourceData["AUTH_SOURCE_SEARCH_USER"] = $userDn;
            $authenticationSourceData["AUTH_SOURCE_PASSWORD"] = $strPass;

            $ldapcnn = $this->ldapConnection($authenticationSourceData);
            $ldapcnn = $ldapcnn['connection'];
            $flagUpdate = false;
            switch (hexdec(ldap_errno($ldapcnn))) {
                case 0:
                    //0x00
                    $flagUpdate = true;
                    $statusRbac = 1;
                    $statusUser = 'ACTIVE';
                    break;
                case 52:
                case 88:
                case 94:
                    //0x34, 0x58, 0x5e
                    //LDAP_UNAVAILABLE
                    //LDAP_USER_CANCELLED
                    //LDAP_NO_RESULTS_RETURNED
                    $flagUpdate = true;
                    $statusRbac = 0;
                    $statusUser = 'INACTIVE';
                    break;
                default:
                    break;
            }
            if ($flagUpdate) {
                $setValues = [
                    'USR_AUTH_USER_DN' => $userDn,
                    'USR_STATUS' => $statusRbac,
                    'USR_FIRSTNAME' => ''
                ];
                $conditions = [
                    'UID_AUTH_SOURCE' =>$authenticationSourceData["AUTH_SOURCE_UID"],
                    'USR_AUTH_USER_DN' => $strUser,
                    'USR_STATUS' => 1
                ];
                $rbacUsers = new RbacUsers();
                $rbacUsers->updateData($setValues, $conditions);

                $columnsWf = [];
                $columnsWf['USR_UID'] = $usrUid;
                $columnsWf['USR_STATUS'] = $statusUser;
                $oUser = new Users();
                $oUser->update($columnsWf);
            }

            $attributes = $authenticationSourceData["AUTH_SOURCE_DATA"];

            if (!isset($attributes['AUTH_SOURCE_RETIRED_OU'])) {
                $attributes['AUTH_SOURCE_RETIRED_OU'] = '';
            }

            /*
            $attributes["AUTH_SOURCE_RETIRED_OU"] ahora es igual a ''
            dd('A punto', $verifiedUser, $usrName, $attributes["AUTH_SOURCE_RETIRED_OU"]);
            // Check if the user is in the terminated organizational unit
            if (!empty($verifiedUser) && $this->userIsTerminated($usrName, $attributes["AUTH_SOURCE_RETIRED_OU"])) {
                $this->deactivateUser($usrName);
                $this->log($ldapcnn, "user $strUser is member of Remove OU, deactivating this user.");

                return -3;
            }
            */
            $validUserPass = ldap_errno($ldapcnn) == 0;
        } catch (Exception $e) {
            $context = [
                "action" => "ldapSynchronize",
                "authSource" => $authenticationSourceData
            ];
            $message = $e->getMessage();
            Log::channel(':ldapSynchronize')->error($message, Bootstrap::context($context));

            $validUserPass = -5;
        }

        if ($validUserPass == 1) {
            $this->log($ldapcnn, "sucessful login user " . $userDn);
        } else {
            $this->log($ldapcnn, "failure authentication for user $strUser");
        }

        return $validUserPass;
    }

    public function deactivateUser($userUid)
    {
        if (!class_exists('RbacUsers')) {
            require_once(PATH_RBAC . 'model/RbacUsers.php');
        }

        $con = Propel::getConnection(RbacUsersPeer::DATABASE_NAME);
        // select set
        $c1 = new Criteria('rbac');
        $c1->add(RbacUsersPeer::USR_USERNAME, $userUid);
        // update set
        $c2 = new Criteria('rbac');
        $c2->add(RbacUsersPeer::USR_STATUS, '0');

        BasePeer::doUpdate($c1, $c2, $con);

        if (!class_exists('Users')) {
            require_once('classes/model/Users.php');
        }

        $con = Propel::getConnection(UsersPeer::DATABASE_NAME);
        // select set
        $c1 = new Criteria('workflow');
        $c1->add(UsersPeer::USR_USERNAME, $userUid);
        // update set
        $c2 = new Criteria('workflow');
        $c2->add(UsersPeer::USR_STATUS, 'INACTIVE');
        $c2->add(UsersPeer::DEP_UID, '');

        BasePeer::doUpdate($c1, $c2, $con);
    }

    public function userIsTerminated($userUid, $sOuTerminated)
    {
        $terminated = false;
        $aLdapUsers = $this->getUsersFromDepartmentByName($sOuTerminated);

        foreach ($aLdapUsers as $aLdapUser) {
            if ($aLdapUser['sUsername'] == $userUid) {
                $terminated = true;
                break;
            }
        }

        return $terminated;
    }

    public function getUsersFromDepartmentByName($departmentName)
    {
        $dFilter = "(&(" . $this->arrayObjectClassFilter["department"] . ")(ou=" . $departmentName . "))";

        $aUsers = [];

        $filters = ['conditions' => ['AUTH_SOURCE_UID'=> $this->authSourceUid]];
        $rbacAuthenticationSource = new RbacAuthenticationSource();
        $authSourceReturn = $rbacAuthenticationSource->show($filters);
        $authenticationSourceData = $authSourceReturn['data'][0];
        $authenticationSourceData['AUTH_SOURCE_DATA'] = json_decode($authenticationSourceData['AUTH_SOURCE_DATA'], true);
        $authenticationSourceData['AUTH_SOURCE_PASSWORD'] = G::decrypt($authenticationSourceData['AUTH_SOURCE_PASSWORD'], URL_KEY);

        if (is_null($this->ldapcnn)) {
            $ldapcnn = $this->ldapConnection($authenticationSourceData);
            $this->ldapcnn = $ldapcnn['connection'];
        }

        $ldapcnn = $this->ldapcnn;
        $oSearch = @ldap_search($ldapcnn, $authenticationSourceData["AUTH_SOURCE_BASE_DN"], $dFilter, $this->arrayAttributesForUser);
        $context = [
            "baseDN" => $authenticationSourceData["AUTH_SOURCE_BASE_DN"],
            "filter" => $dFilter,
            "attributes" => $this->arrayAttributesForUser
        ];
        $this->stdLog($ldapcnn, "ldap_search", $context);

        if ($oError = ldap_errno($ldapcnn)) {
            return $aUsers;
        } else {
            if ($oSearch) {
                //get the departments from the ldap entries
                if (ldap_count_entries($ldapcnn, $oSearch) > 0) {
                    $this->stdLog($ldapcnn, "ldap_count_entries");
                    $oEntry = ldap_first_entry($ldapcnn, $oSearch);
                    $this->stdLog($ldapcnn, "ldap_first_entry");

                    do {
                        $aAttr = $this->ldapGetAttributes($ldapcnn, $oEntry);
                        $result = $this->ldapGetUsersFromDepartment("GET", $aAttr["dn"]);
                        foreach ($result as $item) {
                            $aUsers[] = $item;
                        }
                    } while ($oEntry = ldap_next_entry($ldapcnn, $oEntry));
                }
            }
            return $aUsers;
        }
    }

    public function ldapGetUsersFromDepartment($option, $dn, array $arrayData = [])
    {
        try {
            $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartment() > START");
            $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartment() > \$dn ----> $dn");

            $arrayUser = [];
            $totalUser = 0;
            $countUser = 0;

            //Set variables
            $dn = trim($dn);
            $rbac = RBAC::getSingleton();

            if (is_null($rbac->authSourcesObj)) {
                $rbac->authSourcesObj = new AuthenticationSource();
            }

            $arrayAuthenticationSourceData = $rbac->authSourcesObj->load($this->sAuthSource);
            $this->ldapcnn = $this->ldapConnection($arrayAuthenticationSourceData);
            $ldapcnn = $this->ldapcnn;

            //Get Users
            $limit = $this->getPageSizeLimitByData($arrayAuthenticationSourceData);
            $flagError = false;

            if (!isset($arrayAuthenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_USERS_FILTER"])) {
                $arrayAuthenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_USERS_FILTER"] = "";
            }

            $uidUserIdentifier = (isset($arrayAuthenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_IDENTIFIER_FOR_USER"])) ? $arrayAuthenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_IDENTIFIER_FOR_USER"] : "uid";
            $filterUsers = trim($arrayAuthenticationSourceData["AUTH_SOURCE_DATA"]["AUTH_SOURCE_USERS_FILTER"]);
            $filter = ($filterUsers != "") ? $filterUsers : "(" . $this->arrayObjectClassFilter["user"] . ")";
            $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartment() > \$filter ----> $filter");
            $cookie = '';

            do {
                $searchResult = @ldap_list(
                    $ldapcnn,
                    $dn,
                    $filter,
                    $this->arrayAttributesForUser,
                    0,
                    -1,
                    -1,
                    LDAP_DEREF_NEVER,
                    [['oid' => LDAP_CONTROL_PAGEDRESULTS, 'value' => ['size' => $limit, 'cookie' => $cookie]]]
                );
                ldap_parse_result($ldapcnn, $searchResult, $errcode, $matcheddn, $errmsg, $referrals, $controls);
                $this->stdLog($ldapcnn, "ldap_list", ["filter" => $filter, "attributes" => $this->arrayAttributesForUser]);

                if ($error = ldap_errno($ldapcnn)) {
                    $flagError = true;
                } else {
                    $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartment() > ldap_list > OK");

                    switch ($option) {
                        case "GET":
                            list($totalUser, $countUser, $arrayUser) = $this->ldapGetUsersFromDepartmentSearchResult($ldapcnn, $searchResult, $option, $dn, $uidUserIdentifier, $totalUser, $countUser, $arrayUser);
                            break;
                        case "SYNCHRONIZE":
                            list($totalUser, $countUser, $arrayData) = $this->ldapGetUsersFromDepartmentSearchResult($ldapcnn, $searchResult, $option, $dn, $uidUserIdentifier, $totalUser, $countUser, $arrayData);
                            break;
                    }
                }

                if (!$flagError) {
                    if (isset($controls[LDAP_CONTROL_PAGEDRESULTS]['value']['cookie'])) {
                        // You need to pass the cookie from the last call to the next one
                        $cookie = $controls[LDAP_CONTROL_PAGEDRESULTS]['value']['cookie'];
                    } else {
                        $cookie = '';
                    }
                }
                // Empty cookie means last page
            } while (!empty($cookie) && !$flagError);

            // Get Users //2
            if ($flagError) {
                $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartment() > Search by characters > START");

                foreach ($this->characters() as $value) {
                    $char = $value;

                    $ldapcnn = $this->ldapConnection($arrayAuthenticationSourceData);
                    $filter = ($filterUsers != "") ? $filterUsers : "(" . $this->arrayObjectClassFilter["user"] . ")";
                    $filter = "(&$filter($uidUserIdentifier=$char*))";
                    $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartment() > \$filter ----> $filter");
                    $searchResult = @ldap_list($ldapcnn, $dn, $filter, $this->arrayAttributesForUser);
                    $this->stdLog($ldapcnn, "ldap_list", ["attributes" => $this->arrayAttributesForUser]);

                    if ($error = ldap_errno($ldapcnn)) {
                        $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartment() > ldap_list > ERROR > \$error ---->\n" . print_r($error, true));
                    } else {
                        $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartment() > ldap_list > OK");

                        switch ($option) {
                            case "GET":
                                list($totalUser, $countUser, $arrayUser) = $this->ldapGetUsersFromDepartmentSearchResult($ldapcnn, $searchResult, $option, $dn, $uidUserIdentifier, $totalUser, $countUser, $arrayUser);
                                break;
                            case "SYNCHRONIZE":
                                list($totalUser, $countUser, $arrayData) = $this->ldapGetUsersFromDepartmentSearchResult($ldapcnn, $searchResult, $option, $dn, $uidUserIdentifier, $totalUser, $countUser, $arrayData);
                                break;
                        }
                    }
                }

                $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartment() > Search by characters > END");
            }

            $this->log($ldapcnn, "Found $totalUser users in department $dn");
            $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartment() > END");

            // Return
            switch ($option) {
                case "GET":
                    return $arrayUser;
                    break;
                case "SYNCHRONIZE":
                    return $arrayData;
                    break;
            }
        } catch (Exception $e) {
            throw $e;
        }
    }

    public function characters()
    {
        try {
            $arrayCharacter = [];

            for ($i = 33; $i <= 127; $i++) {
                $char = trim(strtolower(chr($i)));

                if ($char != "") {
                    $arrayCharacter[$i] = $char;
                }
            }

            unset($arrayCharacter[33]);  // !
            unset($arrayCharacter[38]);  // &
            unset($arrayCharacter[40]);  // (
            unset($arrayCharacter[41]);  // )
            unset($arrayCharacter[42]);  // *
            unset($arrayCharacter[60]);  // <
            unset($arrayCharacter[61]);  // =
            unset($arrayCharacter[62]);  // >
            unset($arrayCharacter[124]); // |
            unset($arrayCharacter[126]); // ~
            unset($arrayCharacter[127]); // DEL
            // Return
            return array_unique($arrayCharacter);
        } catch (Exception $e) {
            throw $e;
        }
    }

    public function ldapGetUsersFromDepartmentSearchResult($ldapcnn, $searchResult, $option, $dn, $uidUserIdentifier, $totalUser, $countUser, array $arrayData)
    {
        try {
            $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartmentSearchResult() > START");

            if ($searchResult) {
                $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartmentSearchResult() > ldap_list > OK");
                $numEntries = ldap_count_entries($ldapcnn, $searchResult);
                $this->stdLog($ldapcnn, "ldap_count_entries");
                $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartmentSearchResult() > ldap_list > OK > \$numEntries ----> $numEntries");

                $totalUser += $numEntries;

                if ($numEntries > 0) {
                    $this->log($ldapcnn, "Search $dn accounts with identifier = $uidUserIdentifier");
                    $entry = ldap_first_entry($ldapcnn, $searchResult);
                    $this->stdLog($ldapcnn, "ldap_first_entry");

                    do {
                        $arrayUserLdap = $this->ldapGetAttributes($ldapcnn, $entry);
                        $username = (isset($arrayUserLdap[$uidUserIdentifier])) ? $arrayUserLdap[$uidUserIdentifier] : "";
                        $countUser++;

                        if ((is_array($username) && !empty($username)) || trim($username) != "") {
                            $arrayUserData = $this->getUserDataFromAttribute($username, $arrayUserLdap);

                            if (!isset($this->arrayDepartmentUserSynchronizedChecked[$arrayUserData["sUsername"]])) {
                                $this->arrayDepartmentUserSynchronizedChecked[$arrayUserData["sUsername"]] = 1;

                                switch ($option) {
                                    case "GET":
                                        $arrayData[] = $arrayUserData;
                                        break;
                                    case "SYNCHRONIZE":
                                        $arrayData = $this->departmentSynchronizeUser("", $arrayUserData, $arrayData);
                                        break;
                                }
                            } else {
                                $this->log($ldapcnn, "User have repeated: Username \"" . $arrayUserData["sUsername"] . "\", DN \"" . $arrayUserData["sDN"] . "\"");
                            }
                        }

                        if ($option == "SYNCHRONIZE") {
                            // Progress bar
                            //$this->frontEndShow("BAR", "Departments: " . $arrayData["i"] . "/" . $arrayData["n"] . " " . $this->progressBar($totalUser, $countUser));
                        }
                    } while ($entry = ldap_next_entry($ldapcnn, $entry));
                }
            }

            $this->debugLog("class.ldapAdvanced.php > function ldapGetUsersFromDepartmentSearchResult() > END");
            // Return
            return array($totalUser, $countUser, $arrayData);
        } catch (Exception $e) {
            throw $e;
        }
    }

    public function departmentSynchronizeUser($departmentUid, array $arrayUserLdap, array $arrayData)
    {
        try {
            $this->debugLog("class.ldapAdvanced.php > function departmentSynchronizeUser() > START");
            $this->debugLog("class.ldapAdvanced.php > function departmentSynchronizeUser() > \$arrayUserLdap[sUsername] ----> " . $arrayUserLdap["sUsername"]);

            $userUid = "";
            $found = false;

            $arrayUserData = $this->departmentGetUserDataIfUsernameExists($arrayUserLdap["sUsername"]);

            if (!empty($arrayUserData)) {
                //User already exists in this department and there is nothing to do
                //User already exists
                $userUid = $arrayUserData["USR_UID"];
                $found = true;
                $arrayData["already"]++;
                $arrayData["alreadyUsers"] .= $arrayUserData["USR_USERNAME"] . " ";
            }

            if (!$found) {
                //If user DO NOT exists in this department.. do:
                //If exists with another AuthSource -> impossible
                //If exists in another department, but in PM and for this authsource, we need to move it
                //$arrayNewUserData = $this->searchUserByUid($arrayUserLdap["sUsername"]);
                $arrayNewUserData = $arrayUserLdap;

                $arrayAux = $this->custom_ldap_explode_dn($arrayNewUserData["sDN"]);
                array_shift($arrayAux);

                $departmentUid = $this->getDepUidIfExistsDN(implode(",", $arrayAux)); //Check if exists the Department DN in DB

                $this->debugLog("class.ldapAdvanced.php > function departmentSynchronizeUser() > \$departmentUid ----> $departmentUid");

                if ($departmentUid != "") {
                    $arrayUserData = $this->authenticationSourceGetUserDataIfUsernameExists($arrayNewUserData["sUsername"]);

                    if (!empty($arrayUserData)) {
                        //User exists in this Authentication Source
                        //Move User
                        $userUid = $arrayUserData["USR_UID"];

                        $this->activateUser($arrayUserData["USR_UID"], $arrayNewUserData["sDN"], $departmentUid);

                        $arrayData["moved"]++;
                        $arrayData["movedUsers"] .= $arrayUserData["USR_USERNAME"] . " ";

                        $this->setArrayAuthenticationSourceUser($userUid, $arrayNewUserData); //INITIALIZE DATA //Update User
                    } else {
                        $arrayUserData = $this->getUserFromPM($arrayNewUserData["sUsername"]);

                        if (!empty($arrayUserData)) {
                            //User exists in another Authentication Source and another Department
                            //Impossible
                            $userUid = $arrayUserData["USR_UID"];

                            $arrayData["impossible"]++;
                            $arrayData["impossibleUsers"] .= $arrayUserData["USR_USERNAME"] . " ";
                        } else {
                            //User not exists
                            //Create User
                            $userUid = $this->createUserAndActivate($arrayNewUserData, $departmentUid);

                            $arrayData["created"]++;
                            $arrayData["createdUsers"] .= $arrayNewUserData["sUsername"] . " ";

                            $this->setArrayAuthenticationSourceUser($userUid, $arrayNewUserData); //INITIALIZE DATA //Add User
                        }
                    }
                }
            }

            if ($userUid != "") {
                $arrayData["arrayUserUid"][] = $userUid;

                if (isset($arrayUserLdap["sManagerDN"]) && $arrayUserLdap["sManagerDN"] != "") {
                    if (!isset($arrayData["managersHierarchy"][$arrayUserLdap["sManagerDN"]])) {
                        $arrayData["managersHierarchy"][$arrayUserLdap["sManagerDN"]] = [];
                    }

                    $arrayData["managersHierarchy"][$arrayUserLdap["sManagerDN"]][$userUid] = $userUid;
                }
            }

            $this->debugLog("class.ldapAdvanced.php > function departmentSynchronizeUser() > \$userUid ----> $userUid");
            $this->debugLog("class.ldapAdvanced.php > function departmentSynchronizeUser() > END");

            return $arrayData;
        } catch (Exception $e) {
            throw $e;
        }
    }

    public function debugLog($text)
    {
        try {
            if ($this->debug) {
                $this->log(null, "DEBUG: $text");
            }
        } catch (Exception $e) {
            throw $e;
        }
    }

    private function convertDateADtoPM($dateAD)
    {
        $unixTimestamp = ($dateAD / 10000000) - 11644560000;
        $datePM = date('Y-m-d', mktime(0, 0, 0, date('m'), '01', date('Y') + 2));
        if ($unixTimestamp > 0) {
            $dateAux = date("Y-m-d", $unixTimestamp);
            $yearAux = date("Y", $unixTimestamp);
            if (strlen(trim($yearAux)) <= 4) {
                $datePM = $dateAux;
            }
        }
        return $datePM;
    }
}