<?php
/*******************************************************************************************************************
| Software Name        : EasyStream
| Software Description : High End YouTube Clone Script with Videos, Shorts, Streams, Images, Audio, Documents, Blogs
| Software Author      : (c) Sami Ahmed
|*******************************************************************************************************************
|
|*******************************************************************************************************************
| This source file is subject to the EasyStream Proprietary License Agreement.
| 
| By using this software, you acknowledge having read this Agreement and agree to be bound thereby.
|*******************************************************************************************************************
| Copyright (c) 2025 Sami Ahmed. All rights reserved.
|*******************************************************************************************************************/

defined('_ISVALID') or header('Location: /error');

class VRecovery
{
    /* validate password recovery */
    public static function processForm($section)
    {
        global $language, $class_filter, $class_database;

        $cfg            = $section == 'frontend' ? $class_database->getConfigurations('signup_min_password,signup_max_password') : null;
        $allowedFields  = array('recovery_forgot_new_password', 'recovery_forgot_retype_password');
        $requiredFields = $allowedFields;
        $new_pass       = $_POST['recovery_forgot_new_password'] != '' ? $_POST['recovery_forgot_new_password'] : null;
        $confirm_pass   = $_POST['recovery_forgot_retype_password'] != '' ? $_POST['recovery_forgot_retype_password'] : null;

        $error_message = ($error_message == '') ? VForm::checkEmptyFields($allowedFields, $requiredFields) : $error_message;
        $error_message = ($section == 'frontend' and (strlen($new_pass) < $cfg['signup_min_password'] or strlen($new_pass) > $cfg['signup_max_password'] or strlen($confirm_pass) < $cfg['signup_min_password'] or strlen($confirm_pass) > $cfg['signup_max_password']) and $error_message == '') ? $language['notif.error.invalid.pass'] : $error_message;
        $error_message = (md5($new_pass) != md5($confirm_pass) and $error_message == '') ? $language['notif.error.pass.nomatch'] : $error_message;

        return $error_message;
    }
    /* reset password */
    public static function doPasswordReset($section)
    {
        global $db, $class_filter;

        $hasher   = new VPasswordHash(8, false);
        $enc_pass = $class_filter->clr_str($hasher->HashPassword($_POST['recovery_forgot_new_password']));

        switch ($section) {
            case 'frontend':
                $user_id = intval(self::getRecoveryID($_GET['s']));
                $q       = $db->execute(sprintf("UPDATE `db_accountuser` SET `usr_password`='%s' WHERE `usr_id`='%s' LIMIT 1;", $enc_pass, $user_id));
                break;
            case 'backend':
                $q = $db->execute(sprintf("UPDATE `db_settings` SET `cfg_data`='%s' WHERE `cfg_name`='%s' LIMIT 1;", $enc_pass, 'backend_password'));
        }
        if ($db->Affected_Rows() > 0) {
            $update_recovery = self::updateRecoveryUsage();
            return true;
        } else {
            return false;
        }

    }
    /* validation of recovery link */
    public static function validCheck($section, $type = 'recovery')
    {
        global $cfg, $class_database, $language;
        $get = $_GET['s'] != '' ? $_GET['s'] : ($_GET['sid'] != '' ? $_GET['sid'] : null);
        $h   = $_GET['s'] != '' ? $cfg['recovery_link_lifetime'] : ($_GET['sid'] != '' ? 24 : 1);

        if (self::getRecoveryID($get, $type) == '') {return 'tpl_error_max';}

        $valid_time = strtotime('- ' . $h . ' hours');
        $match_time = strtotime(self::getRecoveryCDate());

        if ($match_time < $valid_time or self::getRecoveryStatus($get) == 0) {
            return 'tpl_error_max';
        } else {
            return '';
        }

    }
    /* mark recovery as used */
    public static function updateRecoveryUsage($type = 'recovery')
    {
        global $db, $class_filter;

        $get = $_GET['s'] != '' ? $_GET['s'] : ($_GET['sid'] != '' ? $_GET['sid'] : null);
        $db->execute(sprintf("UPDATE `db_usercodes` SET `code_used`=`code_used`+1, `%s`='%s' WHERE `type`='%s' AND `%s`='%s' LIMIT 1;", 'use_date', date("Y-m-d H:i:s"), $type, 'pwd_id', $class_filter->clr_str($get)));
    }
    /* recovery status */
    public static function getRecoveryStatus($reset_id)
    {
        global $class_database, $class_filter;
        return $class_database->singleFieldValue('db_usercodes', 'code_active', 'pwd_id', $class_filter->clr_str($reset_id));
    }
    /* recovery create date */
    public static function getRecoveryCDate()
    {
        global $class_database, $class_filter;
        $get = $_GET['s'] != '' ? $_GET['s'] : ($_GET['sid'] != '' ? $_GET['sid'] : null);
        return $class_database->singleFieldValue('db_usercodes', 'create_date', 'pwd_id', $class_filter->clr_str($get));
    }
    /* get user id of recovery */
    public static function getRecoveryID($reset_id, $type = 'recovery')
    {
        global $class_filter, $db;
        $q = $db->execute(sprintf("SELECT `usr_id` FROM `db_usercodes` WHERE `pwd_id`='%s' AND `type`='%s' LIMIT 1;", $class_filter->clr_str($reset_id), $type));
        return $q->fields['usr_id'];
    }
    /* log recovery usage */
    public static function addRecoveryEntry($user_id, $reset_id, $type = '', $addTo = '')
    {
        global $db, $class_database, $cfg, $class_filter;

        $type = ($type == 'email_verification') ? 'verification' : (($type == 'invite_user' or $type == 'invite_contact') ? $type : 'recovery');
        $lg   = ($type == 'invite_user' or $type == 'invite_contact') ? 'log_frinvite' : 'log_precovery';

        $q  = $db->execute(sprintf("UPDATE `db_usercodes` SET `%s`='%s' WHERE `type`='%s' AND `%s`='%s' %s;", 'code_active', '0', $type, 'usr_id', intval($user_id), (($type == 'invite_user' or $type == 'invite_contact') ? " AND `pwd_id`='" . $reset_id . "'" : null)));
        $q  = $db->execute(sprintf("DELETE FROM `db_usercodes` WHERE `type`='%s' AND `pwd_id`='%s' AND `code_active`='0';", $type, $reset_id));
        $i  = array("type" => $type, "usr_id" => intval($user_id), "pwd_id" => $reset_id, "create_date" => date("Y-m-d H:i:s"));
        $q  = $class_database->doInsert('db_usercodes', $i);
        $to = 0;
        if ($type == 'invite_user') {
            $to    = (int) $addTo;
            $addTo = $class_database->singleFieldValue('db_accountuser', 'usr_user', 'usr_id', $to);
        }
        $log = ($cfg['activity_logging'] == 1 and $action = new VActivity($user_id, $to)) ? $action->addTo($lg, $addTo) : null;
    }
}