<?php

/**
 * sysPass
 *
 * @author nuxsmin
 * @link http://syspass.org
 * @copyright 2012-2015 Rubén Domínguez nuxsmin@syspass.org
 *
 * This file is part of sysPass.
 *
 * sysPass is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * sysPass is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with sysPass.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

defined('APP_ROOT') || die(_('No es posible acceder directamente a este archivo'));

/**
 * Esta clase es la encargada de realizar las operaciones osbre los usuarios de sysPass
 */
class SP_Users
{
    const USER_LOGIN_EXIST = 1;
    const USER_MAIL_EXIST = 2;
    const MAX_PASS_RECOVER_TIME = 3600;
    const MAX_PASS_RECOVER_LIMIT = 3;

    static $queryRes;
    static $querySelect;
    static $queryFrom;
    static $queryWhere;
    static $queryCount;

    var $userId;
    var $userName;
    var $userGroupId;
    var $userGroupName;
    var $userLogin;
    var $userPass;
    var $userEmail;
    var $userNotes;
    var $userProfileId;
    var $userIsAdminApp;
    var $userIsAdminAcc;
    var $userIsDisabled;
    var $userIsLdap;
    var $userChangePass;
    var $queryLastId;

    /**
     * Obtener los datos de un usuario.
     *
     * @param int $id con el Id del usuario a consultar
     * @return array con el nombre de la columna como clave y los datos como valor
     */
    public static function getUserData($id = 0)
    {
        // Array con los nombres de los campos para devolverlos con el formato correcto
        // Es necesario que coincidan con las columnas de la tabla
        $user = array('user_id' => 0,
            'user_name' => '',
            'user_login' => '',
            'user_profileId' => 0,
            'user_groupId' => 0,
            'user_email' => '',
            'user_notes' => '',
            'user_isAdminApp' => 0,
            'user_isAdminAcc' => 0,
            'user_isLdap' => 0,
            'user_isDisabled' => 0,
            'user_isChangePass' => 0,
            'user_count' => 0,
            'user_lastLogin' => '',
            'user_lastUpdate' => '',
            'user_lastUpdateMPass' => 0,
            'action' => 1,
            'checks' => array(
                'user_isLdap' => 0,
                'user_isAdminApp' => 0,
                'user_isAdminAcc' => 0,
                'user_isDisabled' => 0,
                'user_isChangePass' => 0
            )
        );

        if ($id > 0) {
            $users = self::getUsers($id);

            if ($users) {
                foreach ($users[0] as $name => $value) {
                    // Check if field is a checkbox one
                    if (preg_match('/^.*_is[A-Z].*$/', $name)) {
                        $user['checks'][$name] = ((int)$value === 1) ? 'CHECKED' : '';
                    }

                    if ($value === '0000-00-00 00:00:00' || $value === '1970-01-01 01:00:00') {
                        $value = _('N/D');
                    }

                    $user[$name] = $value;
                }
                $user['action'] = 2;
            }
        }

        return $user;
    }

    /**
     * Establecer las variables para la consulta de usuarios.
     *
     * @param int $itemId opcional, con el Id del usuario a consultar
     * @return false|array con la lista de usuarios
     */
    public static function getUsers($itemId = NULL)
    {
        if (!is_null($itemId)) {
            $query = "SELECT user_id,"
                . "user_name,"
                . "user_login,"
                . "user_profileId,"
                . "user_groupId,"
                . "user_email,"
                . "user_notes,"
                . "user_isAdminApp,"
                . "user_isAdminAcc,"
                . "user_isLdap,"
                . "user_isDisabled,"
                . "user_isChangePass,"
                . "user_count,"
                . "user_lastLogin,"
                . "user_lastUpdate, "
                . "FROM_UNIXTIME(user_lastUpdateMPass) as user_lastUpdateMPass "
                . "FROM usrData "
                . "LEFT JOIN usrProfiles ON user_profileId = userprofile_id "
                . "LEFT JOIN usrGroups ON usrData.user_groupId = usergroup_id "
                . "WHERE user_id = " . (int)$itemId . " LIMIT 1";
        } else {
            $query = "SELECT user_id,"
                . "user_name,"
                . "user_login,"
                . "userprofile_name,"
                . "usergroup_name,"
                . "user_isAdminApp,"
                . "user_isAdminAcc,"
                . "user_isLdap,"
                . "user_isDisabled,"
                . "user_isChangePass "
                . "FROM usrData "
                . "LEFT JOIN usrProfiles ON user_profileId = userprofile_id "
                . "LEFT JOIN usrGroups ON usrData.user_groupId = usergroup_id ";

            $query .= ($_SESSION["uisadminapp"] == 0) ? "WHERE user_isAdminApp = 0 ORDER BY user_name" : "ORDER BY user_name";
        }

        $queryRes = DB::getResults($query, __FUNCTION__, true);

        if ($queryRes === false) {
            return false;
        }

        return $queryRes;
    }

    /**
     * Comprobar si un usuario está migrado desde phpPMS.
     *
     * @param string $userLogin con el login del usuario
     * @return bool
     */
    public static function checkUserIsMigrate($userLogin)
    {
        $query = "SELECT user_isMigrate "
            . "FROM usrData "
            . "WHERE user_login = '" . DB::escape($userLogin) . "' LIMIT 1";
        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        if ($queryRes->user_isMigrate == 0) {
            return false;
        }

        return true;
    }

    /**
     * Actualizar la clave de un usuario desde phpPMS.
     *
     * @param string $userLogin con el login del usuario
     * @param string $userPass  con la clave del usuario
     * @return bool
     *
     * Esta función actualiza la clave de un usuario que ha sido migrado desde phpPMS
     */
    public static function migrateUser($userLogin, $userPass)
    {
        $passdata = SP_Users::makeUserPass($userPass);

        $query = "UPDATE usrData SET "
            . "user_pass = '" . $passdata['pass'] . "',"
            . "user_hashSalt = '" . $passdata['salt'] . "',"
            . "user_lastUpdate = NOW(),"
            . "user_isMigrate = 0 "
            . "WHERE user_login = '" . DB::escape($userLogin) . "' "
            . "AND user_isMigrate = 1 "
            . "AND (user_pass = SHA1(CONCAT(user_hashSalt,'" . DB::escape($userPass) . "')) "
            . "OR user_pass = MD5('" . DB::escape($userPass) . "')) LIMIT 1";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        $message['action'] = __FUNCTION__;
        $message['text'][] = _('Usuario actualizado');
        $message['text'][] = 'Login: ' . $userLogin;

        SP_Log::wrLogInfo($message);
        return true;
    }

    /**
     * Crear la clave de un usuario.
     *
     * @param string $userPass con la clave del usuario
     * @return array con la clave y salt del usuario
     */
    private static function makeUserPass($userPass)
    {
        $salt = SP_Crypt::makeHashSalt();
        $userPass = sha1($salt . $userPass);

        return array('salt' => DB::escape($salt), 'pass' => DB::escape($userPass));
    }

    /**
     * Obtener el login de usuario a partir del Id.
     *
     * @param int $id con el id del usuario
     * @return string con el login del usuario
     */
    public static function getUserLoginById($id)
    {
        $query = "SELECT user_login "
            . "FROM usrData "
            . "WHERE user_id = " . (int)$id . " LIMIT 1";

        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        return $queryRes->user_login;
    }

    /**
     * Comprobar si el usuario tiene actualizada la clave maestra actual.
     *
     * @param string $login opcional con el login del usuario
     * @return bool
     */
    public static function checkUserUpdateMPass($login = '')
    {
        if (isset($login)) {
            $userId = self::getUserIdByLogin($login);
        }

        if (isset($_SESSION["uid"])) {
            $userId = $_SESSION["uid"];
        }

        if (!isset($userId)) {
            return false;
        }

        $configMPassTime = SP_Config::getConfigValue('lastupdatempass');

        if ($configMPassTime === false) {
            return false;
        }

        $query = 'SELECT user_lastUpdateMPass '
            . 'FROM usrData '
            . 'WHERE user_id = ' . (int)$userId . ' LIMIT 1';
        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        if ($configMPassTime > $queryRes->user_lastUpdateMPass) {
            return false;
        }

        return true;
    }

    /**
     * Obtener el Id de usuario a partir del login.
     *
     * @param string $login con el login del usuario
     * @return false|int con el Id del usuario
     */
    public static function getUserIdByLogin($login)
    {
        $query = "SELECT user_id "
            . "FROM usrData "
            . "WHERE user_login = '" . DB::escape($login) . "' LIMIT 1";

        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        return (int)$queryRes->user_id;
    }

    /**
     * Obtiene el listado con el nombre de los usuarios de una cuenta.
     *
     * @param int $accountId con el id de la cuenta
     * @return false|array con los nombres de los usuarios ordenados
     */
    public static function getUsersNameForAccount($accountId)
    {
        $query = "SELECT user_id,"
            . "user_login "
            . "FROM accUsers "
            . "JOIN usrData ON user_Id = accuser_userId "
            . "WHERE accuser_accountId = " . (int)$accountId;

        $queryRes = DB::getResults($query, __FUNCTION__, true);

        if ($queryRes === false) {
            return false;
        }

        foreach ($queryRes as $users) {
            $usersName[$users->user_id] = $users->user_login;
        }

        asort($usersName, SORT_STRING);

        return $usersName;
    }

    /**
     * Actualizar la asociación de grupos con cuentas.
     *
     * @param int $accountId con el Id de la cuenta
     * @param array $usersId con los usuarios de la cuenta
     * @return bool
     */
    public static function updateUsersForAccount($accountId, $usersId)
    {
        if (self::deleteUsersForAccount($accountId, $usersId)) {
            return self::addUsersForAccount($accountId, $usersId);
        }

        return false;
    }

    /**
     * Eliminar la asociación de grupos con cuentas.
     *
     * @param int $accountId con el Id de la cuenta
     * @param array $usersId opcional con los grupos de la cuenta
     * @return bool
     */
    public static function deleteUsersForAccount($accountId, $usersId = NULL)
    {
        $queryExcluded = '';

        // Excluimos los grupos actuales
        if (is_array($usersId)) {
            $queryExcluded = ' AND accuser_userId NOT IN (' . implode(',', $usersId) . ')';
        }

        $query = 'DELETE FROM accUsers '
            . 'WHERE accuser_accountId = ' . (int)$accountId . $queryExcluded;

        //error_log($query);

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        return true;
    }

    /**
     * Crear asociación de grupos con cuentas.
     *
     * @param int $accountId con el Id de la cuenta
     * @param array $usersId con los grupos de la cuenta
     * @return bool
     */
    public static function addUsersForAccount($accountId, $usersId)
    {
        if (!is_array($usersId)){
            return true;
        }

        $values = '';

        // Obtenemos los grupos actuales
        $currentUsers = self::getUsersForAccount($accountId);

        if (is_array($currentUsers)) {
            foreach ($currentUsers as $user) {
                $usersExcluded[] = $user->accuser_userId;
            }
        }

        foreach ($usersId as $userId) {
            // Excluimos los usuarios actuales
            if (is_array($usersExcluded) && in_array($userId, $usersExcluded)) {
                continue;
            }

            $values[] = '(' . $accountId . ',' . $userId . ')';
        }

        if (!is_array($values)) {
            return true;
        }

        $query = 'INSERT INTO accUsers (accuser_accountId, accuser_userId) '
            . 'VALUES ' . implode(',', $values);

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        return true;
    }

    /**
     * Obtiene el listado de grupos de una cuenta.
     *
     * @param int $accountId con el id de la cuenta
     * @return object con el Id de grupo
     */
    public static function getUsersForAccount($accountId)
    {
        $query = "SELECT accuser_userId "
            . "FROM accUsers "
            . "WHERE accuser_accountId = " . (int)$accountId;

        $queryRes = DB::getResults($query, __FUNCTION__, true);

        if ($queryRes === false) {
            return false;
        }

        return $queryRes;
    }

    /**
     * Comprobar si un usuario y email existen.
     *
     * @param string $login con el login del usuario
     * @param string $email con el email del usuario
     * @return bool
     */
    public static function checkUserMail($login, $email)
    {
        $userId = self::getUserIdByLogin($login);

        return ($userId && self::getUserEmail($userId) == $email);
    }

    /**
     * Obtener el email de un usuario.
     *
     * @param int $userId con el Id del usuario
     * @return string con el email del usuario
     */
    public static function getUserEmail($userId)
    {
        $query = "SELECT user_email "
            . "FROM usrData "
            . "WHERE user_id = " . (int)$userId . " "
            . "AND user_email IS NOT NULL LIMIT 1";
        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        return $queryRes->user_email;
    }

    /**
     * Insertar un registro de recuperación de clave.
     *
     * @param string $login con el login del usuario
     * @param string $hash  con el hash para el cambio
     * @return bool
     */
    public static function addPassRecover($login, $hash)
    {
        $userId = self::getUserIdByLogin($login);

        $query = "INSERT INTO usrPassRecover SET "
            . "userpassr_userId = " . $userId . ","
            . "userpassr_hash = '" . DB::escape($hash) . "',"
            . "userpassr_date = UNIX_TIMESTAMP(),"
            . "userpassr_used = 0";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        return true;
    }

    /**
     * Comprobar si un usuario está deshabilitado.
     *
     * @param string $userLogin con el login del usuario
     * @return bool
     */
    public static function checkUserIsDisabled($userLogin)
    {
        $query = "SELECT user_isDisabled "
            . "FROM usrData "
            . "WHERE user_login = '" . DB::escape($userLogin) . "' LIMIT 1";
        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        if ($queryRes->user_isDisabled == 0) {
            return false;
        }

        return true;
    }

    /**
     * Comprobar si un usuario autentifica mediante LDAP
     * .
     *
     * @param string $userLogin con el login del usuario
     * @return bool
     */
    public static function checkUserIsLDAP($userLogin)
    {
        $query = "SELECT user_isLdap "
            . "FROM usrData "
            . "WHERE user_login = '" . DB::escape($userLogin) . "' LIMIT 1";
        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        if ($queryRes->user_isLdap == 0) {
            return false;
        }

        return true;
    }

    /**
     * Comprobar el hash de recuperación de clave.
     *
     * @param string $hash con el hash de recuperación
     * @return int con el Id del usuario
     */
    public static function checkHashPassRecover($hash)
    {
        $query = "SELECT userpassr_userId FROM usrPassRecover "
            . "WHERE userpassr_hash = '" . DB::escape($hash) . "' "
            . "AND userpassr_used = 0 "
            . "AND userpassr_date >= " . (time() - self::MAX_PASS_RECOVER_TIME) . " "
            . "ORDER BY userpassr_date DESC LIMIT 1";

        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        return $queryRes->userpassr_userId;
    }

    /**
     * Marcar como usado el hash de recuperación de clave.
     *
     * @param string $hash con el hash de recuperación
     * @return bool
     */
    public static function updateHashPassRecover($hash)
    {
        $query = "UPDATE usrPassRecover SET userpassr_used = 1 " .
            "WHERE userpassr_hash = '" . DB::escape($hash) . "'";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        return true;
    }

    /**
     * Comprobar el límite de recuperaciones de clave.
     *
     * @param string $login con el login del usuario
     * @return bool
     */
    public static function checkPassRecoverLimit($login)
    {
        $query = "SELECT COUNT(*) as requests " .
            "FROM usrPassRecover " .
            "WHERE userpassr_userId = " . self::getUserIdByLogin($login) . " " .
            "AND userpassr_used = 0 " .
            "AND userpassr_date >= " . (time() - self::MAX_PASS_RECOVER_TIME);

        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        return ($queryRes->requests >= self::MAX_PASS_RECOVER_LIMIT);
    }

    /**
     * Obtener los datos de un usuario desde la BBDD.
     * Esta función obtiene los datos de un usuario y los guarda en las variables de la clase.
     *
     * @return bool
     */
    public function getUserInfo()
    {
        $query = "SELECT user_id,"
            . "user_name,"
            . "user_groupId,"
            . "user_login,"
            . "user_email,"
            . "user_notes,"
            . "user_count,"
            . "user_profileId,"
            . "usergroup_name,"
            . "user_isAdminApp,"
            . "user_isAdminAcc,"
            . "user_isLdap,"
            . "user_isDisabled,"
            . "user_isChangePass "
            . "FROM usrData "
            . "LEFT JOIN usrGroups ON user_groupId = usergroup_id "
            . "LEFT JOIN usrProfiles ON user_profileId = userprofile_id "
            . "WHERE user_login = '" . DB::escape($this->userLogin) . "' LIMIT 1";
        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        $this->userId = (int)$queryRes->user_id;
        $this->userName = $queryRes->user_name;
        $this->userGroupId = (int)$queryRes->user_groupId;
        $this->userGroupName = $queryRes->usergroup_name;
        $this->userEmail = $queryRes->user_email;
        $this->userProfileId = (int)$queryRes->user_profileId;
        $this->userIsAdminApp = (int)$queryRes->user_isAdminApp;
        $this->userIsAdminAcc = (int)$queryRes->user_isAdminAcc;
        $this->userIsLdap = (int)$queryRes->user_isLdap;
        $this->userChangePass = (int)$queryRes->user_isChangePass;

        return true;
    }

    /**
     * Comprobar si un usuario/email existen en la BBDD.
     *
     * @return false|int Devuelve bool si error y int si existe el usuario/email
     */
    public function checkUserExist()
    {
        $userLogin = strtoupper($this->userLogin);
        $userEmail = strtoupper($this->userEmail);

        $query = "SELECT user_login, user_email "
            . "FROM usrData "
            . "WHERE (UPPER(user_login) = '" . DB::escape($userLogin) . "' "
            . "OR UPPER(user_email) = '" . DB::escape($userEmail) . "') "
            . "AND user_id != " . (int)$this->userId;
        $queryRes = DB::getResults($query, __FUNCTION__, true);

        if ($queryRes === false) {
            return false;
        }

        foreach ($queryRes as $userData) {
            $resULogin = strtoupper($userData->user_login);
            $resUEmail = strtoupper($userData->user_email);

            if ($resULogin == $userLogin) {
                return SP_Users::USER_LOGIN_EXIST;
            } elseif ($resUEmail == $userEmail) {
                return SP_Users::USER_MAIL_EXIST;
            }
        }
    }

    /**
     * Comprobar si los datos del usuario de LDAP están en la BBDD.
     *
     * @return bool
     */
    public function checkLDAPUserInDB()
    {
        $query = "SELECT user_login "
            . "FROM usrData "
            . "WHERE user_login = '" . DB::escape($this->userLogin) . "' LIMIT 1";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        if (count(DB::$last_result) == 0) {
            return false;
        }

        return true;
    }

    /**
     * Crear un nuevo usuario en la BBDD con los datos de LDAP.
     * Esta función crea los usuarios de LDAP en la BBDD para almacenar infomación del mismo
     * y utilizarlo en caso de fallo de LDAP
     *
     * @return bool
     */
    public function newUserLDAP()
    {
        $passdata = SP_Users::makeUserPass($this->userPass);

        $query = "INSERT INTO usrData SET "
            . "user_name = '" . DB::escape($this->userName) . "',"
            . "user_groupId = " . SP_Config::getValue('ldap_defaultgroup', 0) . ","
            . "user_login = '" . DB::escape($this->userLogin) . "',"
            . "user_pass = '" . $passdata['pass'] . "',"
            . "user_hashSalt = '" . $passdata['salt'] . "',"
            . "user_email = '" . DB::escape($this->userEmail) . "',"
            . "user_notes = 'LDAP',"
            . "user_profileId = " . SP_Config::getValue('ldap_defaultprofile', 0) . ","
            . "user_isLdap = 1,"
            . "user_isDisabled = 0";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        $message['action'] = _('Activación Cuenta');
        $message['text'][] = _('Su cuenta está pendiente de activación.');
        $message['text'][] = _('En breve recibirá un email de confirmación.');

        SP_Log::wrLogInfo($message);
        SP_Common::sendEmail($message, $this->userEmail, false);

        return true;
    }

    /**
     * Crear un usuario.
     *
     * @return bool
     */
    public function addUser()
    {
        $passdata = SP_Users::makeUserPass($this->userPass);

        $query = "INSERT INTO usrData SET "
            . "user_name = '" . DB::escape($this->userName) . "',"
            . "user_login = '" . DB::escape($this->userLogin) . "',"
            . "user_email = '" . DB::escape($this->userEmail) . "',"
            . "user_notes = '" . DB::escape($this->userNotes) . "',"
            . "user_groupId = " . (int)$this->userGroupId . ","
            . "user_profileId = " . (int)$this->userProfileId . ","
            . "user_mPass = '',"
            . "user_mIV = '',"
            . "user_isAdminApp = " . (int)$this->userIsAdminApp . ","
            . "user_isAdminAcc = " . (int)$this->userIsAdminAcc . ","
            . "user_isDisabled = " . (int)$this->userIsDisabled . ","
            . "user_isChangePass = " . (int)$this->userChangePass . ","
            . "user_pass = '" . $passdata['pass'] . "',"
            . "user_hashSalt = '" . $passdata['salt'] . "',"
            . "user_isLdap = 0";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        $this->queryLastId = DB::$lastId;

        $message['action'] = _('Nuevo Usuario');
        $message['text'][] = SP_Html::strongText(_('Usuario') . ': ') . $this->userName . ' (' . $this->userLogin . ')';

        if ($this->userChangePass) {
            if (!SP_Auth::mailPassRecover(DB::escape($this->userLogin), DB::escape($this->userEmail))) {
                $message['text'][] = SP_Html::strongText(_('No se pudo realizar la petición de cambio de clave.'));
            }
        }

        SP_Log::wrLogInfo($message);
        SP_Common::sendEmail($message);

        return true;
    }

    /**
     * Modificar un usuario.
     *
     * @return bool
     */
    public function updateUser()
    {
        $query = "UPDATE usrData SET "
            . "user_name = '" . DB::escape($this->userName) . "',"
            . "user_login = '" . DB::escape($this->userLogin) . "',"
            . "user_email = '" . DB::escape($this->userEmail) . "',"
            . "user_notes = '" . DB::escape($this->userNotes) . "',"
            . "user_groupId = " . (int)$this->userGroupId . ","
            . "user_profileId = " . (int)$this->userProfileId . ","
            . "user_isAdminApp = " . (int)$this->userIsAdminApp . ","
            . "user_isAdminAcc = " . (int)$this->userIsAdminAcc . ","
            . "user_isDisabled = " . (int)$this->userIsDisabled . ","
            . "user_isChangePass = " . (int)$this->userChangePass . ","
            . "user_lastUpdate = NOW() "
            . "WHERE user_id = " . (int)$this->userId . " LIMIT 1";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        $this->queryLastId = DB::$lastId;

        $message['action'] = _('Modificar Usuario');
        $message['text'][] = SP_Html::strongText(_('Usuario') . ': ') . $this->userName . ' (' . $this->userLogin . ')';

        if ($this->userChangePass) {
            if (!SP_Auth::mailPassRecover(DB::escape($this->userLogin), DB::escape($this->userEmail))) {
                $message['text'][] = SP_Html::strongText(_('No se pudo realizar la petición de cambio de clave.'));
            }
        }

        SP_Log::wrLogInfo($message);
        SP_Common::sendEmail($message);

        return true;
    }

    /**
     * Modificar la clave de un usuario.
     *
     * @return bool
     */
    public function updateUserPass()
    {
        $passdata = SP_Users::makeUserPass($this->userPass);
        $userLogin = $this->getUserLoginById($this->userId);

        $query = "UPDATE usrData SET "
            . "user_pass = '" . $passdata['pass'] . "',"
            . "user_hashSalt = '" . $passdata['salt'] . "',"
            . "user_isChangePass = 0,"
            . "user_lastUpdate = NOW() "
            . "WHERE user_id = " . (int)$this->userId . " LIMIT 1";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        $this->queryLastId = DB::$lastId;

        $message['action'] = _('Modificar Clave Usuario');
        $message['text'][] = SP_Html::strongText(_('Login') . ': ') . $userLogin;

        SP_Log::wrLogInfo($message);
        SP_Common::sendEmail($message);

        return true;
    }

    /**
     * Eliminar un usuario.
     *
     * @return bool
     */
    public function deleteUser()
    {
        $userLogin = $this->getUserLoginById($this->userId);

        $query = "DELETE FROM usrData "
            . "WHERE user_id = " . (int)$this->userId . " LIMIT 1";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        $this->queryLastId = DB::$lastId;

        $message['action'] = _('Eliminar Usuario');
        $message['text'][] = SP_Html::strongText(_('Login') . ': ') . $userLogin;

        SP_Log::wrLogInfo($message);
        SP_Common::sendEmail($message);

        return true;
    }

    /**
     * Actualiza los datos de los usuarios de LDAP en la BBDD.
     *
     * @return bool
     */
    public function updateLDAPUserInDB()
    {
        $passdata = SP_Users::makeUserPass($this->userPass);

        $query = "UPDATE usrData SET "
            . "user_pass = '" . $passdata['pass'] . "',"
            . "user_hashSalt = '" . $passdata['salt'] . "',"
            . "user_name = '" . DB::escape($this->userName) . "',"
            . "user_email = '" . DB::escape($this->userEmail) . "',"
            . "user_lastUpdate = NOW(),"
            . "user_isLdap = 1 "
            . "WHERE user_id = " . $this->getUserIdByLogin($this->userLogin) . " LIMIT 1";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        return true;
    }

    /**
     * Establece las variables de sesión del usuario.
     *
     * @return none
     */
    public function setUserSession()
    {
        $_SESSION['ulogin'] = $this->userLogin;
        $_SESSION['uprofile'] = $this->userProfileId;
        $_SESSION['uname'] = $this->userName;
        $_SESSION['ugroup'] = $this->userGroupId;
        $_SESSION['ugroupn'] = $this->userGroupName;
        $_SESSION['uid'] = $this->userId;
        $_SESSION['uemail'] = $this->userEmail;
        $_SESSION['uisadminapp'] = $this->userIsAdminApp;
        $_SESSION['uisadminacc'] = $this->userIsAdminAcc;
        $_SESSION['uisldap'] = $this->userIsLdap;
        $_SESSION['usrprofile'] = SP_Profiles::getProfileForUser();

        $this->setUserLastLogin();
    }

    /**
     * Actualiza el último inicio de sesión del usuario en la BBDD.
     *
     * @return bool
     */
    private function setUserLastLogin()
    {
        $query = "UPDATE usrData SET "
            . "user_lastLogin = NOW(),"
            . "user_count = user_count + 1 "
            . "WHERE user_id = " . (int)$this->userId . " LIMIT 1";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        return true;
    }

    /**
     * Comprueba la clave maestra del usuario.
     *
     * @return bool
     */
    public function checkUserMPass()
    {
        $userMPass = $this->getUserMPass(true);

        if ($userMPass === false) {
            return false;
        }

        $configMPass = SP_Config::getConfigValue('masterPwd');

        if ($configMPass === false) {
            return false;
        }

        // Comprobamos el hash de la clave del usuario con la guardada
        return SP_Crypt::checkHashPass($userMPass, $configMPass);
    }

    /**
     * Desencriptar la clave maestra del usuario para la sesión.
     *
     * @param bool $showPass opcional, para devolver la clave desencriptada
     * @return false|string Devuelve bool se hay error o string si se devuelve la clave
     */
    public function getUserMPass($showPass = false)
    {
        $query = "SELECT user_mPass, user_mIV "
            . "FROM usrData "
            . "WHERE user_id = " . (int)$this->userId . " LIMIT 1";
        $queryRes = DB::getResults($query, __FUNCTION__);

        if ($queryRes === false) {
            return false;
        }

        if ($queryRes->user_mPass && $queryRes->user_mIV) {
            $clearMasterPass = SP_Crypt::getDecrypt($queryRes->user_mPass, $this->getCypherPass(), $queryRes->user_mIV);

            if (!$clearMasterPass) {
                return false;
            }

            if ($showPass == true) {
                return $clearMasterPass;
            } else {
                $_SESSION['mPassPwd'] = substr(sha1(uniqid()), 0, 32);

                $sessionMasterPass = SP_Crypt::mkCustomMPassEncrypt($_SESSION["mPassPwd"], $clearMasterPass);

                $_SESSION['mPass'] = $sessionMasterPass[0];
                $_SESSION['mPassIV'] = $sessionMasterPass[1];
                return true;
            }
        }
        return false;
    }

    /**
     * Obtener una clave de cifrado basada en la clave del usuario y un salt.
     *
     * @return string con la clave de cifrado
     */
    private function getCypherPass()
    {
        $configSalt = SP_Config::getConfigValue('passwordsalt');
        $cypherPass = substr(sha1($configSalt . $this->userPass), 0, 32);

        return $cypherPass;
    }

    /**
     * Actualizar la clave maestra del usuario en la BBDD.
     *
     * @param string $masterPwd con la clave maestra
     * @return bool
     */
    public function updateUserMPass($masterPwd)
    {
        $configMPass = SP_Config::getConfigValue('masterPwd');

        if (!$configMPass) {
            return false;
        }

        if (SP_Crypt::checkHashPass($masterPwd, $configMPass)) {
            $strUserMPwd = SP_Crypt::mkCustomMPassEncrypt($this->getCypherPass(), $masterPwd);

            if (!$strUserMPwd) {
                return false;
            }
        } else {
            return false;
        }

        $query = "UPDATE usrData SET "
            . "user_mPass = '" . DB::escape($strUserMPwd[0]) . "',"
            . "user_mIV = '" . DB::escape($strUserMPwd[1]) . "',"
            . "user_lastUpdateMPass = UNIX_TIMESTAMP() "
            . "WHERE user_id = " . (int)$this->userId . " LIMIT 1";

        if (DB::doQuery($query, __FUNCTION__) === false) {
            return false;
        }

        return true;
    }
}