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File Name : class-rsssl-simple-404-interceptor.php

<?php
namespace RSSSL\Pro\Security\WordPress;

class Rsssl_Simple_404_Interceptor {
    private $attempts = 10; // Default attempts threshold
    private $time_span = 5; // Time span in seconds (5 seconds)
    private $option_name = 'rsssl_404_cache';
    private $notice_option = 'rsssl_404_notice_shown';

public function __construct() {

add_filter( 'rsssl_notices', array($this, 'show_help_notices') );
        if (defined('rsssl_pro')) {
            return;
        }
        add_action( 'template_redirect', array($this, 'detect_404') );
    }

/**
     * Detect and handle 404 errors.
     */
    public function detect_404(): void {
        if (is_404()) {
            if ( get_option( $this->notice_option ) ) {
                return;
            }
            $ip_address = $this->get_ip_address();
            $current_time = time();

// Prevent the option from becoming too large
            $cache = get_option($this->option_name, []);

if (!isset($cache[$ip_address])) {
                $cache[$ip_address] = [];
            }

$cache[$ip_address][] = $current_time;
            $cache[$ip_address] = $this->clean_up_old_entries($cache[$ip_address]);

if (count($cache[$ip_address]) > $this->attempts && !get_option($this->notice_option)) {
                update_option($this->notice_option, true, false);

return;
            }

update_option($this->option_name, $cache, false);
        }
    }

/**
     * Cleans up old entries based on the given timestamps.
     *
     * This method filters the given timestamps array and only keeps the entries where the difference between the current time
     * and the timestamp is less than the specified time span.
     *
     * @param array $timestamps An array of timestamps.
     *
     * @return array The cleaned up timestamps array.
     */
    private function clean_up_old_entries($timestamps): array {
        $current_time = time();
        return array_filter($timestamps, function($timestamp) use ($current_time) {
            return ($current_time - $timestamp) < $this->time_span;
        });
    }

/**
     * Retrieves the IP address of the client.
     *
     * This method checks for the IP address in the following order:
     * 1. HTTP_CLIENT_IP: Represents the IP address of the client if the client is a shared internet device.
     * 2. HTTP_X_FORWARDED_FOR: Represents the IP address of the client if the client is accessing the server through a proxy server.
     * 3. REMOTE_ADDR: Represents the IP address of the client if the client is accessing the server directly.
     *
     * @return string The IP address of the client.
     */
    private function get_ip_address(): string {
        if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
            return $_SERVER['HTTP_CLIENT_IP'];
        }

if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            return $_SERVER['HTTP_X_FORWARDED_FOR'];
        }

if (!empty($_SERVER['REMOTE_ADDR'])) {
            return $_SERVER['REMOTE_ADDR'];
        }

return 'UNKNOWN';
    }

/**
     * Add a help notice for 404 detection warning.
     *
     * @param array $notices The existing notices array.
     *
     * @return array Updated notices array with 404 detection warning notice.
     */
    public function show_help_notices(array $notices): array {
        if (get_option($this->notice_option)) {
            $message = __('We detected suspected bots triggering large numbers of 404 errors on your site.', 'really-simple-ssl');
            $notice = [
                'callback' => '_true_',
                'score' => 1,
                'show_with_options' => ['enable_404_detection'],
                'output' => [
                    'true' => [
                        'msg' => $message,
                        'icon' => 'warning',
                        'type' => 'warning',
                        'dismissible' => true,
                        'admin_notice' => false,
                        'highlight_field_id' => 'enable_firewall',
                        'plusone' => true,
                        'url' => 'https://really-simple-ssl.com/suspected-bots-causing-404-errors/',
                    ]
                ]
            ];

$notices['404_detection_warning'] = $notice;
        }
        return $notices;
    }
}

new Rsssl_Simple_404_Interceptor();

System Information
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File : BlackDragon /index.php

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	uwukycr/users	0555	2024-10-12 06:30:31
..	dir	-	uwukycr/users	0555	2024-10-12 06:30:31
two-fa	dir	-	uwukycr/users	0555	2024-10-12 06:30:31
vulnerabilities	dir	-	uwukycr/users	0555	2024-10-12 06:30:31
.htaccess	text/plain	123 B	uwukycr/users	0555	2024-10-12 06:30:31
block-code-execution-uploads.php	text/x-php	2.26 KB	uwukycr/users	0555	2024-09-27 10:37:45
class-rsssl-simple-404-interceptor.php	text/x-php	4.34 KB	uwukycr/users	0555	2024-09-27 10:37:45
disable-xmlrpc.php	text/x-php	389 B	uwukycr/users	0555	2024-09-27 10:37:45
display-name-is-login-name.php	text/x-php	1.54 KB	uwukycr/users	0555	2024-09-27 10:37:45
file-editing.php	text/x-php	1.15 KB	uwukycr/users	0555	2024-09-27 10:37:45
hide-wp-version.php	text/x-php	2.63 KB	uwukycr/users	0555	2024-09-27 10:37:45
index.php	text/x-php	35 B	uwukycr/users	0555	2024-09-27 10:37:45
prevent-login-info-leakage.php	text/x-php	999 B	uwukycr/users	0555	2024-09-27 10:37:45
rename-admin-user.php	text/x-php	7.29 KB	uwukycr/users	0555	2024-09-27 10:37:45
rest-api.php	text/x-php	1.67 KB	uwukycr/users	0555	2024-09-27 10:37:45
user-enumeration.php	text/x-php	1.33 KB	uwukycr/users	0555	2024-09-27 10:37:45
user-registration.php	text/x-php	249 B	uwukycr/users	0555	2024-09-27 10:37:45
vulnerabilities.php	text/x-php	62.21 KB	uwukycr/users	0555	2024-09-27 10:37:45