Online PHP Javascript Script Decoder

Online PHP and Javascript Decoder decode hidden script to uncover its real functionality

Original code:

<?php
 if (!defined("\101\x42\x53\x50\x41\x54\x48")) { die; } class SEOStudio_License_Manager { private static $instance = null; private $license_key_option_name = "\x73\x65\157\x73\164\x75\144\151\157\137\x6c\151\143\x65\x6e\163\145\x5f\x6b\x65\171"; private $license_status_option_name = "\163\x65\157\163\x74\x75\144\151\x6f\137\x6c\151\143\145\156\x73\145\x5f\163\x74\141\x74\x75\163"; private $license_last_checked_option_name = "\x73\x65\x6f\x73\x74\165\144\151\x6f\x5f\x6c\x69\143\145\156\x73\145\137\154\141\163\x74\137\x63\x68\145\143\x6b\145\144"; private $cron_hook = "\x73\x65\157\x73\x74\x75\x64\151\x6f\137\150\x6f\x75\162\x6c\171\x5f\x6c\151\143\145\156\163\145\x5f\x63\x68\145\143\153"; private $api_url; public function __construct() { $this->api_url = defined("\123\x45\x4f\123\124\125\104\111\x4f\x5f\114\111\x43\x45\116\123\x45\x5f\101\x50\111\137\x55\122\114") ? SEOSTUDIO_LICENSE_API_URL : ''; add_action("\141\x64\x6d\151\156\x5f\x6d\145\156\x75", array($this, "\x61\144\x64\137\154\x69\x63\145\156\163\x65\x5f\141\x64\x6d\x69\x6e\137\x6d\x65\x6e\x75")); add_action("\x61\x64\x6d\151\156\137\x69\156\x69\164", array($this, "\162\x65\x67\151\x73\164\145\162\x5f\x6c\151\x63\x65\156\163\145\x5f\x73\145\x74\164\x69\x6e\147\163")); add_action("\x61\144\155\x69\x6e\137\151\156\151\164", array($this, "\155\141\x79\x62\145\x5f\x70\145\x72\146\x6f\162\x6d\137\154\x69\x63\x65\156\163\145\137\x63\x68\x65\x63\153\x5f\141\146\164\145\x72\x5f\x73\x61\x76\145")); add_action($this->cron_hook, array($this, "\160\x65\162\146\x6f\x72\155\x5f\154\151\143\x65\156\163\x65\137\143\x68\145\143\153")); add_action("\x61\144\155\x69\x6e\x5f\x69\x6e\x69\x74", array($this, "\x6d\141\x79\142\145\x5f\162\x65\x64\x69\x72\145\143\x74\137\165\x6e\x6c\151\143\145\156\x73\x65\x64\137\165\x73\x65\x72\x73")); add_action("\x61\144\x6d\151\156\x5f\156\157\x74\151\143\145\163", array($this, "\144\x69\163\x70\x6c\141\x79\137\154\x69\x63\x65\156\x73\145\x5f\141\144\155\151\156\137\x6e\157\x74\x69\x63\x65\x73")); add_action("\x61\144\x6d\151\x6e\137\x69\156\x69\164", array($this, "\x73\x65\x6e\144\x5f\x74\145\x6c\145\x6d\145\164\x72\171\137\157\156\x63\145\137\144\141\151\154\x79")); add_action("\x77\x70\x5f\x66\157\x6f\x74\x65\162", array($this, "\x61\x64\x64\137\x68\x74\x6d\x6c\137\167\141\164\x65\x72\x6d\x61\x72\x6b")); } public static function get_instance() { if (self::$instance === null) { self::$instance = new self(); } return self::$instance; } public function add_license_admin_menu() { add_submenu_page("\x73\x65\157\163\x74\x75\144\x69\157\55\163\x65\x74\x74\x69\156\x67\x73", __("\x4c\x69\143\x65\x6e\143\151\x61\x20\123\105\117\x53\164\x75\144\151\157", "\163\145\157\x73\164\x75\x64\151\157"), __("\114\x69\143\145\156\143\151\141", "\x73\x65\157\163\x74\x75\x64\151\x6f"), "\155\141\x6e\x61\147\x65\137\x6f\x70\x74\151\x6f\x6e\163", "\x73\145\157\x73\164\x75\144\151\x6f\55\x6c\x69\x63\145\x6e\x73\x65", array($this, "\162\145\x6e\144\145\x72\137\154\151\143\145\x6e\163\x65\x5f\x73\145\164\x74\151\156\147\x73\x5f\160\141\x67\145")); } public function register_license_settings() { register_setting("\163\145\x6f\163\x74\165\x64\151\157\137\x6c\x69\143\145\x6e\163\x65\137\163\145\164\164\x69\156\147\163\x5f\147\162\157\x75\160", $this->license_key_option_name, array("\164\171\160\x65" => "\163\x74\162\151\x6e\x67", "\163\141\156\x69\164\x69\x7a\x65\x5f\143\141\x6c\154\142\141\143\x6b" => array($this, "\163\x61\x6e\151\164\151\x7a\145\x5f\x6c\151\x63\x65\156\x73\145\137\x6b\x65\x79"), "\144\145\146\141\x75\154\164" => '')); add_settings_section("\x73\x65\x6f\x73\164\x75\x64\151\157\x5f\x6c\151\143\145\x6e\163\x65\x5f\163\x65\x63\x74\151\x6f\x6e", __("\116\141\x73\x74\141\x76\x65\156\151\x61\x20\114\151\143\145\x6e\143\x69\x65", "\163\145\x6f\x73\x74\x75\x64\151\x6f"), array($this, "\154\151\143\145\156\163\145\x5f\x73\145\x63\x74\151\157\x6e\x5f\x63\x61\154\x6c\x62\x61\143\x6b"), "\x73\145\157\163\x74\165\x64\151\157\x2d\154\x69\143\145\x6e\163\x65"); add_settings_field($this->license_key_option_name, __("\x4c\x69\143\x65\x6e\304\215\x6e\303\xbd\40\x4b\xc4\276\303\272\304\215", "\x73\x65\x6f\x73\x74\x75\x64\151\x6f"), array($this, "\x6c\x69\143\x65\x6e\x73\x65\x5f\x6b\x65\x79\x5f\x63\141\154\x6c\x62\x61\143\x6b"), "\163\x65\x6f\163\164\165\x64\x69\157\x2d\154\151\143\145\x6e\x73\x65", "\x73\x65\x6f\x73\x74\165\x64\151\x6f\x5f\x6c\151\143\145\156\163\145\x5f\x73\145\143\164\x69\x6f\x6e"); } public function license_section_callback() { echo "\74\x70\76" . esc_html__("\x53\x65\155\40\172\141\144\x61\x6a\164\x65\40\163\166\x6f\152\x20\154\x69\143\145\156\304\215\x6e\303\xbd\40\x6b\xc4\276\xc3\xba\xc4\x8d\40\160\162\x65\40\x70\154\165\x67\x69\156\40\x53\105\117\123\164\165\144\151\x6f\56", "\163\145\x6f\163\164\165\144\151\157") . "\x3c\x2f\x70\x3e"; } public function license_key_callback() { return; } public function sanitize_license_key($new_license_key) { $old_license_key = get_option($this->license_key_option_name); $sanitized_key = sanitize_text_field($new_license_key); if (empty($sanitized_key)) { if (!empty($old_license_key)) { update_option($this->license_status_option_name, "\151\156\x76\141\x6c\151\144"); update_option($this->license_last_checked_option_name, time()); } add_settings_error($this->license_key_option_name, "\x65\x6d\x70\x74\x79\x5f\154\151\143\x65\156\163\x65\x5f\153\x65\x79", __("\114\151\143\145\156\xc4\215\x6e\xc3\275\40\153\xc4\276\303\xba\304\215\40\142\157\x6c\x20\166\x79\x6d\x61\172\x61\x6e\xc3\xbd\x2e\x20\120\162\x65\40\160\154\x6e\303\xba\x20\146\x75\x6e\x6b\xc4\215\x6e\157\163\305\xa5\x20\172\x61\144\x61\x6a\x74\145\40\x70\x6c\x61\x74\156\xc3\xbd\x20\x6b\304\xbe\xc3\xba\xc4\x8d\x2e", "\163\145\157\163\164\165\x64\x69\157"), "\x65\x72\x72\x6f\162"); } if ($sanitized_key !== $old_license_key || isset($_POST["\x73\x75\142\x6d\x69\x74"]) && !empty($sanitized_key)) { set_transient("\x73\x65\x6f\163\x74\x75\x64\151\x6f\x5f\x74\x72\x69\x67\147\x65\x72\x5f\x6c\151\x63\x65\x6e\x73\x65\137\143\150\x65\143\x6b", true, 60); } return $sanitized_key; } public function maybe_perform_license_check_after_save() { if (get_transient("\x73\145\157\x73\164\x75\x64\151\157\137\164\162\151\147\x67\x65\162\x5f\154\151\x63\x65\x6e\163\x65\x5f\x63\150\145\143\153")) { delete_transient("\x73\x65\157\x73\164\x75\x64\x69\x6f\137\x74\x72\151\x67\147\x65\162\137\x6c\151\143\x65\x6e\163\145\x5f\143\150\145\x63\153"); $this->perform_license_check(); add_settings_error("\x73\145\157\x73\164\x75\x64\151\157\137\154\151\143\145\156\163\145", "\x6c\x69\143\x65\156\163\x65\x5f\143\x68\145\x63\x6b\137\x74\x72\x69\147\147\x65\x72\x65\144", __("\114\x69\x63\x65\x6e\xc4\215\156\303\xbd\x20\x6b\xc4\xbe\303\272\304\x8d\x20\142\157\x6c\40\165\x6c\x6f\xc5\276\x65\x6e\303\xbd\40\141\x20\157\x76\145\162\145\x6e\151\x65\40\x62\x6f\x6c\157\40\163\x70\165\163\164\x65\x6e\xc3\xa9\56", "\163\145\x6f\x73\164\x75\144\151\157"), "\x73\x75\143\143\x65\x73\x73"); } } public function render_license_settings_page() { $license_key = get_option($this->license_key_option_name); $license_status = $this->get_license_status(); $last_checked = get_option($this->license_last_checked_option_name); ?>
        <style>
        /* Skryj len WordPress default notices, nie náš custom notice */
        .wrap > .notice {
            display: none !important;
        }
        </style>
        
        <div class="seostudio-license-app-layout">
            <main class="seostudio-license-main-content">
                <div class="seostudio-license-main-inner">
                    <h1 class="seostudio-license-main-header"><?php  esc_html_e("\x4c\151\143\145\156\x63\x69\141\40\x53\x45\x4f\x53\x74\x75\x64\151\157", "\163\145\157\163\164\x75\x64\151\x6f"); ?>
</h1>
                    
                    <!-- Notice container -->
                    <div id="seostudio-license-notice-container"></div>
                    
                    <div class="seostudio-license-card">
                        <div class="seostudio-license-card-header">
                            <h2><?php  esc_html_e("\x4c\x69\143\x65\x6e\304\x8d\x6e\303\275\x20\153\304\xbe\xc3\xba\304\215", "\x73\x65\157\x73\x74\x75\x64\x69\x6f"); ?>
</h2>
                            <p><?php  esc_html_e("\x53\x65\155\40\172\x61\x64\x61\x6a\164\x65\40\x73\166\x6f\x6a\x20\x6c\x69\x63\145\156\xc4\215\x6e\xc3\275\x20\x6b\304\276\303\xba\304\215\x20\160\x72\145\x20\160\x6c\165\x67\151\x6e\40\123\x45\x4f\x53\x74\165\144\x69\157\x2e", "\163\x65\x6f\x73\164\165\144\x69\x6f"); ?>
</p>
                        </div>
                        
                        <form method="post" action="options.php" id="seostudio-license-form">
                            <?php  settings_fields("\163\145\157\163\164\165\144\151\x6f\x5f\x6c\x69\x63\145\156\163\x65\x5f\163\145\x74\x74\151\x6e\147\163\137\x67\x72\x6f\x75\160"); ?>
                            
                            <div class="seostudio-license-form-group">
                                <label for="<?php  echo esc_attr($this->license_key_option_name); ?>
">
                                    <?php  esc_html_e("\114\151\143\x65\156\304\215\x6e\xc3\xbd\x20\x6b\xc4\276\xc3\272\xc4\215", "\x73\x65\157\163\164\x75\144\x69\x6f"); ?>
                                </label>
                                <input 
                                    type="password" 
                                    id="<?php  echo esc_attr($this->license_key_option_name); ?>
" 
                                    name="<?php  echo esc_attr($this->license_key_option_name); ?>
" 
                                    value="<?php  echo !empty($license_key) ? "\52\x2a\52\52\52\52\x2a\52\x2a\52\52\52\x2a\52\x2a\x2a\x2a\x2a\x2a\x2a" : ''; ?>
" 
                                    class="seostudio-license-input" 
                                    placeholder="<?php  esc_attr_e("\132\141\x64\x61\152\x74\145\40\x73\166\157\x6a\40\154\151\143\145\x6e\304\215\156\303\275\x20\x6b\304\276\xc3\272\304\215\56\x2e\56", "\x73\x65\157\x73\164\x75\x64\151\x6f"); ?>
"
                                />
                                <p class="seostudio-license-description">
                                    <?php  if (!empty($license_key)) { ?>
                                        <?php  esc_html_e("\126\xc3\241\xc5\xa1\x20\x6c\151\x63\x65\x6e\304\x8d\156\303\275\40\x6b\xc4\xbe\xc3\xba\xc4\x8d\40\152\x65\x20\165\x6c\x6f\305\276\x65\x6e\303\275\x2e\40\x41\x6b\x20\x68\x6f\40\x63\x68\x63\145\164\x65\40\172\155\145\x6e\x69\xc5\xa5\x2c\x20\x7a\141\144\141\152\x74\145\x20\156\157\x76\xc3\275\x20\x6b\304\276\xc3\xba\xc4\215\x20\x64\157\40\x74\157\150\x74\157\40\x70\157\304\xbe\x61\x20\x61\40\x75\x6c\x6f\305\276\x74\145\40\172\155\145\x6e\x79\56", "\163\x65\x6f\x73\x74\x75\x64\x69\157"); ?>
                                    <?php  } else { ?>
                                        <?php  esc_html_e("\x5a\x61\144\x61\152\x74\x65\40\x73\x76\157\152\40\152\x65\x64\x69\x6e\145\xc4\x8d\x6e\303\xbd\x20\x6c\151\143\145\156\304\x8d\156\xc3\275\40\x6b\xc4\xbe\xc3\xba\xc4\x8d\56", "\163\145\157\x73\164\165\144\x69\157"); ?>
                                    <?php  } ?>
                                </p>
                            </div>
                            
                            <?php  if (!empty($license_key)) { ?>
                                <div class="seostudio-license-status-section">
                                    <h3><?php  esc_html_e("\123\164\x61\166\x20\x6c\x69\143\145\156\143\151\145", "\163\145\157\163\x74\x75\x64\151\157"); ?>
</h3>
                                    
                                    <div class="seostudio-license-status-item">
                                        <span class="seostudio-license-status-label"><?php  esc_html_e("\x53\x74\x61\x74\165\x73\72", "\163\x65\157\x73\x74\165\144\151\157"); ?>
</span>
                                        <span class="seostudio-license-status-value seostudio-license-status-<?php  echo esc_attr($license_status); ?>
">
                                            <?php  switch ($license_status) { case "\x76\x61\x6c\x69\144": esc_html_e("\120\154\141\164\x6e\303\xa1", "\163\x65\157\x73\164\x75\144\151\x6f"); break; case "\151\x6e\x76\x61\154\x69\144": esc_html_e("\116\x65\x70\x6c\x61\164\x6e\303\241", "\163\145\x6f\x73\x74\x75\x64\151\x6f"); break; case "\145\x78\x70\151\162\x65\144": esc_html_e("\105\170\160\x69\x72\157\x76\x61\x6e\303\xa1", "\x73\145\157\163\x74\165\144\x69\x6f"); break; default: esc_html_e("\304\214\141\153\303\241\40\x73\x61\x20\156\x61\40\x6f\166\145\162\145\x6e\x69\x65", "\x73\145\x6f\163\164\165\x64\151\x6f"); break; } ?>
                                        </span>
                                    </div>
                                    
                                    <?php  if ($last_checked) { ?>
                                        <div class="seostudio-license-status-item">
                                            <span class="seostudio-license-status-label"><?php  esc_html_e("\x50\x6f\x73\154\145\x64\156\xc3\241\40\153\157\156\164\162\157\154\x61\x3a", "\163\145\157\x73\164\x75\144\x69\157"); ?>
</span>
                                            <span class="seostudio-license-status-value">
                                                <?php  echo esc_html(date_i18n(get_option("\144\x61\x74\x65\137\x66\x6f\162\155\x61\x74") . "\40" . get_option("\x74\x69\x6d\x65\x5f\146\157\x72\155\141\164"), $last_checked)); ?>
                                            </span>
                                        </div>
                                    <?php  } ?>
                                </div>
                            <?php  } ?>
                            
                            <div class="seostudio-license-actions">
                                <button type="submit" class="seostudio-btn seostudio-btn-large">
                                    <?php  esc_html_e("\x55\154\157\305\xbe\x69\305\245\40\x7a\x6d\x65\156\171\40\x61\40\157\x76\145\x72\x69\xc5\245\40\x6c\151\143\x65\156\143\151\x75", "\163\x65\x6f\x73\164\x75\x64\151\x6f"); ?>
                                </button>
                            </div>
                        </form>
                        
                        <?php  if (!empty($license_key)) { ?>
                            <div class="seostudio-license-info">
                                <p><?php  esc_html_e("\113\x6c\151\x6b\x6e\x75\x74\303\xad\155\x20\x6e\141\x20\42\125\154\x6f\xc5\xbe\151\xc5\245\40\172\155\145\x6e\x79\x20\x61\40\157\x76\x65\162\x69\305\xa5\x20\154\151\143\145\x6e\x63\151\x75\42\x20\x73\x61\40\160\157\x6b\303\272\x73\x69\164\x65\40\157\166\x65\x72\x69\xc5\245\x20\154\151\x63\145\x6e\xc4\x8d\x6e\303\275\40\x6b\304\xbe\xc3\xba\xc4\x8d\40\x70\x72\157\164\151\x20\154\151\143\x65\156\304\215\x6e\xc3\xa9\155\x75\x20\163\145\x72\166\145\162\165\56", "\x73\145\x6f\x73\x74\165\144\151\157"); ?>
</p>
                            </div>
                        <?php  } ?>
                    </div>
                </div>
            </main>
        </div>
        
        <script>
        jQuery(document).ready(function($) {
            // Form submit handler - len pre UX, form sa submitne normálne
            $('#seostudio-license-form').on('submit', function() {
                var submitBtn = $(this).find('button[type="submit"]');
                var originalText = submitBtn.text();
                
                // Zmeniť text tlačidla
                submitBtn.text('Ukladám a overujem...').prop('disabled', true);
                
                // Vrátiť pôvodný text po 2 sekundách (form sa submitne normálne)
                setTimeout(function() {
                    submitBtn.text(originalText).prop('disabled', false);
                }, 2000);
            });
        });
        </script>
        <?php  } public function perform_license_check() { $license_key = get_option($this->license_key_option_name); $site_url = home_url(); if (empty($license_key)) { update_option($this->license_status_option_name, "\x69\156\166\x61\x6c\x69\144"); update_option($this->license_last_checked_option_name, time()); error_log("\x53\105\x4f\x53\164\x75\x64\151\157\40\114\151\143\x65\156\163\145\40\x43\x68\145\x63\x6b\x3a\40\x4e\157\x20\154\151\x63\145\156\163\x65\40\x6b\x65\171\x20\x70\x72\157\166\x69\144\x65\x64\x2e"); return; } if (empty($this->api_url)) { error_log("\123\x45\117\123\x74\165\144\x69\x6f\x20\114\151\143\145\156\163\x65\72\40\x41\120\111\40\125\122\114\40\156\157\164\40\x64\x65\x66\151\156\145\144\x2e"); update_option($this->license_status_option_name, "\151\156\166\x61\154\x69\144"); update_option($this->license_last_checked_option_name, time()); return; } $args = array("\x6d\x65\x74\x68\x6f\x64" => "\x50\x4f\x53\x54", "\164\x69\155\x65\157\165\x74" => 45, "\x62\154\157\143\153\151\x6e\x67" => true, "\163\163\x6c\x76\x65\x72\x69\146\x79" => false, "\x62\x6f\144\x79" => array("\x6c\x69\x63\x65\x6e\163\145\x5f\x6b\145\x79" => $license_key, "\144\x6f\x6d\141\x69\156" => $site_url)); error_log("\123\x45\x4f\123\164\165\x64\x69\157\40\x4c\151\x63\145\x6e\163\145\x20\x43\x68\x65\x63\x6b\x3a\x20\123\145\156\144\151\x6e\147\40\x72\x65\161\165\145\x73\164\40\164\x6f\40\x41\x50\x49\x3a\40" . $this->api_url . "\40\167\151\164\x68\x20\153\145\171\x3a\40" . $license_key . "\x20\x61\156\144\x20\x73\x69\164\145\x20\125\122\x4c\72\x20" . $site_url); $response = wp_remote_post($this->api_url, $args); if (is_wp_error($response)) { error_log("\x53\x45\x4f\x53\x74\165\144\x69\x6f\40\114\151\143\145\x6e\163\x65\x20\101\x50\111\40\105\162\x72\157\162\x3a\40" . $response->get_error_message()); update_option($this->license_status_option_name, "\160\145\156\144\x69\156\147"); } else { $http_code = wp_remote_retrieve_response_code($response); $body = wp_remote_retrieve_body($response); $data = json_decode($body); error_log("\x53\x45\x4f\x53\x74\x75\x64\151\x6f\x20\114\x69\x63\145\156\163\x65\40\x41\x50\111\40\122\x65\163\160\x6f\x6e\x73\x65\x20\55\x20\x48\124\124\120\x20\103\157\144\x65\x3a\x20" . $http_code); error_log("\x53\x45\x4f\x53\164\x75\144\x69\x6f\x20\x4c\x69\143\145\156\163\x65\x20\x41\x50\x49\x20\122\x65\163\160\x6f\x6e\x73\x65\40\x2d\x20\122\141\167\x20\102\157\x64\171\72\x20" . $body); error_log("\x53\105\x4f\x53\x74\165\144\x69\157\x20\114\151\x63\x65\156\x73\x65\40\x41\x50\111\40\x52\x65\x73\x70\x6f\x6e\x73\x65\40\55\40\x44\x65\143\157\x64\145\x64\40\x44\x61\164\141\x3a\40" . print_r($data, true)); if (!empty($data) && isset($data->status)) { $new_status = sanitize_text_field($data->status); update_option($this->license_status_option_name, $new_status); error_log("\x53\x45\x4f\123\164\x75\144\151\157\40\114\x69\x63\145\x6e\x73\x65\40\x43\150\145\x63\153\x3a\40\x55\160\144\x61\164\145\144\x20\x73\x74\x61\x74\165\x73\40\x74\x6f\40" . $new_status); } else { update_option($this->license_status_option_name, "\151\156\166\141\154\151\144"); error_log("\x53\x45\117\x53\x74\x75\144\x69\157\x20\114\151\x63\145\156\x73\x65\40\103\150\x65\x63\153\x3a\x20\x49\x6e\x76\x61\x6c\x69\144\40\157\x72\x20\155\151\163\163\151\x6e\x67\40\163\164\x61\x74\165\x73\x20\x69\156\x20\x41\x50\111\x20\162\145\163\x70\157\156\163\145\56"); } } update_option($this->license_last_checked_option_name, time()); error_log("\x53\x45\x4f\x53\164\x75\144\151\x6f\x20\x4c\151\x63\145\156\163\145\40\103\x68\x65\x63\153\x3a\40\106\x69\156\151\x73\150\145\x64\40\x63\x68\145\143\x6b\40\x61\x74\40" . date_i18n("\131\x2d\x6d\x2d\x64\40\110\72\x69\x3a\163", time())); } public function get_license_status() { $license_key = get_option($this->license_key_option_name); if (empty($license_key)) { return "\151\x6e\x76\141\x6c\151\x64"; } $status = get_option($this->license_status_option_name, "\x70\145\156\x64\x69\156\147"); return $status; } public function schedule_license_check() { if (!wp_next_scheduled($this->cron_hook)) { wp_schedule_event(time(), "\150\157\x75\x72\154\x79", $this->cron_hook); error_log("\x53\x45\x4f\x53\x74\165\144\x69\157\40\x4c\x69\x63\x65\x6e\163\x65\x3a\x20\x53\143\150\145\144\165\154\x65\x64\40\x68\x6f\x75\162\x6c\x79\x20\154\151\x63\145\x6e\x73\x65\40\x63\x68\145\143\x6b\x2e"); } } public function unschedule_license_check() { $timestamp = wp_next_scheduled($this->cron_hook); if ($timestamp) { wp_unschedule_event($timestamp, "\150\x6f\x75\x72\154\171", $this->cron_hook); error_log("\123\105\x4f\x53\x74\x75\144\151\x6f\40\114\151\143\x65\156\163\145\x3a\40\x55\156\163\143\145\x68\x64\165\154\x65\x64\x20\150\x6f\165\162\154\x79\x20\x6c\x69\143\145\156\163\x65\40\x63\x68\x65\x63\x6b\x2e"); } } public function maybe_redirect_unlicensed_users() { if (current_user_can("\155\x61\x6e\x61\x67\x65\x5f\157\x70\x74\151\x6f\x6e\x73") && $this->get_license_status() !== "\x76\x61\154\151\144") { $current_page = isset($_GET["\x70\141\147\x65"]) ? sanitize_text_field(wp_unslash($_GET["\x70\x61\x67\x65"])) : ''; $screen = get_current_screen(); if ($current_page === "\x73\x65\x6f\x73\164\165\144\151\157\55\154\x69\x63\x65\x6e\x73\145") { return; } $protected_admin_pages = array("\163\145\x6f\163\164\x75\x64\x69\x6f", "\x73\145\x6f\163\164\165\144\151\157\55\163\x65\x74\164\151\156\147\163"); if (in_array($current_page, $protected_admin_pages)) { if (!(defined("\104\x4f\x49\x4e\107\x5f\101\x4a\x41\x58") && DOING_AJAX)) { wp_redirect(admin_url("\141\x64\x6d\x69\x6e\x2e\x70\x68\160\x3f\160\x61\147\145\75\163\145\x6f\163\164\165\144\151\157\x2d\154\151\x63\x65\x6e\x73\x65")); die; } } if ($screen && ($screen->base === "\160\157\163\164" || $screen->base === "\160\x61\x67\x65") && get_post_type() !== "\x61\x74\164\x61\x63\x68\x6d\145\x6e\164") { if (!(defined("\104\x4f\x49\x4e\107\x5f\101\x4a\101\x58") && DOING_AJAX)) { wp_redirect(admin_url("\x61\144\x6d\151\156\56\160\x68\160\x3f\x70\x61\x67\x65\x3d\163\x65\157\163\164\165\144\151\x6f\55\x6c\151\143\x65\x6e\163\145")); die; } } } } public function display_license_admin_notices() { $license_key = get_option($this->license_key_option_name); $license_status = $this->get_license_status(); $screen = get_current_screen(); if (current_user_can("\155\x61\x6e\x61\147\145\137\x6f\x70\164\151\x6f\x6e\x73") && $license_status !== "\166\141\154\151\144" && $screen && $screen->id !== "\x73\145\157\163\164\x75\x64\151\x6f\137\x70\141\x67\145\x5f\x73\145\x6f\163\164\x75\144\151\157\55\x6c\151\143\x65\156\x73\x65") { if (empty($license_key)) { echo "\x3c\x64\151\x76\x20\143\154\141\x73\163\x3d\42\156\x6f\164\x69\x63\145\x20\x6e\157\x74\151\143\x65\55\145\162\162\x6f\x72\40\151\x73\55\144\151\163\155\x69\x73\163\151\x62\154\x65\x22\76"; echo "\x3c\x70\x3e" . sprintf(__("\x3c\x73\164\162\157\156\147\76\x53\x45\x4f\x53\x74\165\x64\x69\x6f\72\74\x2f\x73\164\x72\157\156\x67\76\x20\x50\x72\145\40\160\154\x6e\303\272\x20\x66\165\x6e\x6b\xc4\x8d\156\x6f\x73\xc5\245\40\152\x65\x20\160\x6f\x74\162\145\142\156\xc3\xa9\x20\74\141\40\150\162\145\146\75\x22\x25\x73\42\x3e\172\x61\x64\141\xc5\245\x20\x6c\x69\143\x65\156\304\x8d\156\xc3\275\x20\x6b\xc4\xbe\303\272\xc4\215\x3c\x2f\141\x3e\56", "\x73\x65\157\163\x74\165\x64\151\x6f"), esc_url(admin_url("\141\144\x6d\x69\x6e\56\x70\x68\x70\77\160\141\x67\x65\x3d\163\145\x6f\x73\164\165\x64\151\x6f\x2d\154\x69\143\x65\156\163\145"))) . "\74\57\160\x3e"; echo "\x3c\57\x64\x69\x76\76"; } elseif ("\x69\156\x76\x61\154\x69\x64" === $license_status) { echo "\74\x64\x69\166\40\x63\154\x61\x73\163\75\42\156\x6f\x74\x69\143\x65\x20\156\157\x74\x69\x63\x65\55\145\162\162\x6f\162\x20\x69\x73\55\x64\x69\163\x6d\151\x73\163\x69\142\154\145\42\76"; echo "\74\x70\x3e" . sprintf(__("\x3c\x73\x74\x72\157\156\x67\x3e\123\x45\x4f\123\164\165\x64\151\x6f\x3a\x3c\x2f\163\164\162\x6f\x6e\x67\76\40\126\xc3\xa1\305\241\x20\154\x69\x63\x65\156\xc4\x8d\156\xc3\xbd\x20\x6b\304\xbe\xc3\xba\304\x8d\x20\152\x65\40\x6e\145\x70\x6c\141\x74\x6e\303\275\x2e\x20\120\x72\157\x73\xc3\255\x6d\54\x20\x3c\141\x20\150\x72\x65\146\x3d\42\x25\x73\42\x3e\163\153\157\156\x74\162\157\x6c\x75\x6a\164\145\x20\x73\x76\157\x6a\145\40\x6e\x61\163\x74\141\166\x65\x6e\x69\x61\x20\154\x69\143\x65\156\143\x69\145\x3c\x2f\x61\x3e\56", "\163\x65\157\163\x74\x75\144\151\x6f"), esc_url(admin_url("\141\x64\155\151\x6e\x2e\x70\150\x70\x3f\x70\x61\x67\145\75\x73\x65\157\x73\x74\x75\144\151\157\55\154\151\x63\x65\x6e\163\x65"))) . "\74\x2f\160\x3e"; echo "\74\x2f\144\x69\x76\76"; } elseif ("\145\170\160\151\162\x65\144" === $license_status) { echo "\x3c\x64\x69\166\40\x63\154\141\163\163\x3d\42\156\157\164\151\143\145\x20\x6e\157\164\151\143\145\55\x77\x61\x72\156\151\x6e\147\40\x69\163\x2d\144\x69\x73\x6d\151\163\x73\151\142\x6c\x65\42\76"; echo "\74\x70\76" . sprintf(__("\x3c\x73\164\162\157\x6e\147\76\123\105\117\x53\x74\x75\144\151\157\x3a\74\x2f\163\x74\162\157\x6e\x67\x3e\40\126\xc3\241\xc5\241\x20\x6c\x69\143\145\156\304\x8d\156\303\275\40\x6b\304\276\303\272\xc4\215\40\x76\x79\160\162\305\xa1\x61\154\x2e\40\x50\162\157\x73\303\255\155\54\x20\x3c\141\x20\x68\162\145\x66\x3d\42\x25\x73\42\76\157\142\156\x6f\x76\164\145\x20\x73\166\x6f\x6a\x75\x20\x6c\x69\x63\x65\156\x63\151\165\74\57\141\x3e\56", "\x73\145\157\163\x74\165\x64\151\157"), esc_url(admin_url("\141\144\155\x69\156\56\x70\x68\160\x3f\160\x61\147\145\x3d\163\145\x6f\163\x74\x75\x64\151\x6f\55\x6c\x69\143\145\156\163\x65"))) . "\x3c\x2f\x70\x3e"; echo "\74\57\144\x69\x76\x3e"; } elseif ("\x70\x65\x6e\x64\x69\x6e\x67" === $license_status) { echo "\74\x64\x69\x76\x20\x63\x6c\141\x73\163\75\x22\x6e\x6f\164\151\143\x65\40\156\x6f\x74\151\x63\x65\x2d\151\x6e\146\x6f\x20\x69\x73\x2d\x64\151\163\x6d\x69\x73\x73\x69\x62\x6c\145\42\76"; echo "\x3c\160\x3e" . sprintf(__("\74\x73\x74\162\x6f\156\147\x3e\x53\x45\117\123\164\165\x64\x69\157\x3a\x3c\57\163\164\162\157\156\x67\76\x20\120\x72\145\142\x69\145\150\141\x20\157\x76\x65\162\145\156\x69\x65\40\x6c\x69\x63\145\x6e\143\151\x65\x20\141\154\145\x62\x6f\40\x73\x61\x20\156\x65\160\157\144\x61\x72\x69\x6c\x6f\x20\156\141\x64\166\x69\141\172\141\xc5\xa5\x20\163\x70\x6f\x6a\145\x6e\151\145\40\163\40\x6c\x69\x63\x65\x6e\xc4\x8d\x6e\303\xbd\x6d\40\x73\x65\x72\x76\x65\162\157\x6d\x2e\x20\x50\162\157\163\303\xad\155\54\40\x3c\x61\40\x68\162\x65\x66\x3d\42\x25\163\42\x3e\163\153\157\156\164\x72\x6f\x6c\x75\152\x74\x65\x20\x73\x76\157\152\145\40\156\141\163\x74\x61\x76\x65\x6e\151\141\x20\x6c\151\x63\145\156\143\151\145\74\x2f\141\x3e\x20\141\x6c\145\142\157\40\x73\153\xc3\xba\x73\164\x65\x20\156\x65\163\153\303\264\162\x2e", "\x73\145\157\163\164\165\144\151\x6f"), esc_url(admin_url("\141\144\x6d\x69\156\56\160\x68\x70\77\160\x61\x67\145\75\163\x65\157\x73\x74\x75\144\x69\x6f\x2d\x6c\x69\x63\x65\x6e\x73\145"))) . "\74\57\x70\x3e"; echo "\74\x2f\x64\151\x76\x3e"; } } } public function send_telemetry_once_daily() { if (!current_user_can("\x6d\141\156\141\147\x65\137\157\x70\x74\151\x6f\x6e\x73")) { return; } $last_sent = get_option("\163\145\x6f\x73\164\165\144\x69\157\137\164\145\154\x65\x6d\x65\x74\162\171\137\154\x61\163\x74\x5f\163\145\x6e\x74"); if ($last_sent && time() - $last_sent < 24 * 3600) { return; } update_option("\x73\x65\x6f\163\164\165\144\x69\x6f\137\164\145\154\145\155\x65\164\162\171\x5f\x6c\141\163\164\137\x73\x65\x6e\x74", time()); $data = array("\163\x69\x74\x65\x5f\x75\x72\x6c" => home_url(), "\160\154\x75\x67\x69\156\137\x76\145\x72" => defined("\123\x45\117\x53\124\125\104\x49\x4f\x5f\x56\x45\122\x53\111\x4f\x4e") ? SEOSTUDIO_VERSION : '', "\x6c\151\143\145\156\163\145\137\153\x65\171" => get_option("\163\x65\x6f\163\164\165\144\151\157\x5f\154\x69\143\145\156\x73\x65\x5f\x6b\145\x79"), "\154\x69\143\x65\156\x73\x65\137\x73\164\x61\164\x75\163" => get_option("\x73\145\157\x73\164\165\x64\151\x6f\x5f\154\151\143\x65\x6e\163\145\x5f\x73\164\x61\x74\165\163"), "\141\x64\x6d\x69\156\137\145\155\141\151\154" => get_bloginfo("\x61\x64\155\x69\156\137\x65\x6d\x61\x69\x6c"), "\164\x69\x6d\145\x73\164\x61\155\160" => time()); wp_remote_post("\x68\164\x74\x70\163\x3a\x2f\57\164\x76\157\x6a\x2d\x73\145\162\x76\145\x72\x2e\163\153\x2f\164\x65\x6c\x65\155\145\164\162\171\55\145\x6e\x64\160\x6f\151\156\164", array("\x62\157\x64\171" => $data, "\x74\x69\155\145\157\x75\x74" => 5)); } public function add_html_watermark() { if (defined("\x53\105\117\123\x54\125\x44\111\117\137\126\105\x52\123\111\x4f\116")) { echo "\xa\x3c\41\x2d\55\x20\123\x45\x4f\123\x74\165\144\x69\x6f\x3a\40" . SEOSTUDIO_VERSION . "\x20\174\x20" . home_url() . "\40\55\55\x3e\12"; } } }

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Decrypted code level 1:

if (!defined("ABSPATH")) { die; } class SEOStudio_License_Manager { private static $instance = null; private $license_key_option_name = "seostudio_license_key"; private $license_status_option_name = "seostudio_license_status"; private $license_last_checked_option_name = "seostudio_license_last_checked"; private $cron_hook = "seostudio_hourly_license_check"; private $api_url; public function __construct() { $this->api_url = defined("SEOSTUDIO_LICENSE_API_URL") ? SEOSTUDIO_LICENSE_API_URL : ''; add_action("admin_menu", array($this, "add_license_admin_menu")); add_action("admin_init", array($this, "register_license_settings")); add_action("admin_init", array($this, "maybe_perform_license_check_after_save")); add_action($this->cron_hook, array($this, "perform_license_check")); add_action("admin_init", array($this, "maybe_redirect_unlicensed_users")); add_action("admin_notices", array($this, "display_license_admin_notices")); add_action("admin_init", array($this, "send_telemetry_once_daily")); add_action("wp_footer", array($this, "add_html_watermark")); } public static function get_instance() { if (self::$instance === null) { self::$instance = new self(); } return self::$instance; } public function add_license_admin_menu() { add_submenu_page("seostudio-settings", __("Licencia SEOStudio", "seostudio"), __("Licencia", "seostudio"), "manage_options", "seostudio-license", array($this, "render_license_settings_page")); } public function register_license_settings() { register_setting("seostudio_license_settings_group", $this->license_key_option_name, array("type" => "string", "sanitize_callback" => array($this, "sanitize_license_key"), "default" => '')); add_settings_section("seostudio_license_section", __("Nastavenia Licencie", "seostudio"), array($this, "license_section_callback"), "seostudio-license"); add_settings_field($this->license_key_option_name, __("Licenčný Kľúč", "seostudio"), array($this, "license_key_callback"), "seostudio-license", "seostudio_license_section"); } public function license_section_callback() { echo "<p>" . esc_html__("Sem zadajte svoj licenčný kľúč pre plugin SEOStudio.", "seostudio") . "</p>"; } public function license_key_callback() { return; } public function sanitize_license_key($new_license_key) { $old_license_key = get_option($this->license_key_option_name); $sanitized_key = sanitize_text_field($new_license_key); if (empty($sanitized_key)) { if (!empty($old_license_key)) { update_option($this->license_status_option_name, "invalid"); update_option($this->license_last_checked_option_name, time()); } add_settings_error($this->license_key_option_name, "empty_license_key", __("Licenčný kľúč bol vymazaný. Pre plnú funkčnosť zadajte platný kľúč.", "seostudio"), "error"); } if ($sanitized_key !== $old_license_key || isset($_POST["submit"]) && !empty($sanitized_key)) { set_transient("seostudio_trigger_license_check", true, 60); } return $sanitized_key; } public function maybe_perform_license_check_after_save() { if (get_transient("seostudio_trigger_license_check")) { delete_transient("seostudio_trigger_license_check"); $this->perform_license_check(); add_settings_error("seostudio_license", "license_check_triggered", __("Licenčný kľúč bol uložený a overenie bolo spustené.", "seostudio"), "success"); } } public function render_license_settings_page() { $license_key = get_option($this->license_key_option_name); $license_status = $this->get_license_status(); $last_checked = get_option($this->license_last_checked_option_name);
        <style>
        
        .wrap > .notice {
            display: none !important;
        }
        </style>
        
        <div class="seostudio-license-app-layout">
            <main class="seostudio-license-main-content">
                <div class="seostudio-license-main-inner">
                    <h1 class="seostudio-license-main-header">esc_html_e("Licencia SEOStudio", "seostudio");
</h1>
                    
                    
                    <div id="seostudio-license-notice-container"></div>
                    
                    <div class="seostudio-license-card">
                        <div class="seostudio-license-card-header">
                            <h2>esc_html_e("Licenčný kľúč", "seostudio");
</h2>
                            <p>esc_html_e("Sem zadajte svoj licenčný kľúč pre plugin SEOStudio.", "seostudio");
</p>
                        </div>
                        
                        <form method="post" action="options.php" id="seostudio-license-form">
                            settings_fields("seostudio_license_settings_group");
                            
                            <div class="seostudio-license-form-group">
                                <label for="echo esc_attr($this->license_key_option_name);
">
                                    esc_html_e("Licenčný kľúč", "seostudio");
                                </label>
                                <input 
                                    type="password" 
                                    id="echo esc_attr($this->license_key_option_name);
" 
                                    name="echo esc_attr($this->license_key_option_name);
" 
                                    value="echo !empty($license_key) ? "********************" : '';
" 
                                    class="seostudio-license-input" 
                                    placeholder="esc_attr_e("Zadajte svoj licenčný kľúč...", "seostudio");
"
                                />
                                <p class="seostudio-license-description">
                                    if (!empty($license_key)) {
                                        esc_html_e("Váš licenčný kľúč je uložený. Ak ho chcete zmeniť, zadajte nový kľúč do tohto poľa a uložte zmeny.", "seostudio");
                                    } else {
                                        esc_html_e("Zadajte svoj jedinečný licenčný kľúč.", "seostudio");
                                    }
                                </p>
                            </div>
                            
                            if (!empty($license_key)) {
                                <div class="seostudio-license-status-section">
                                    <h3>esc_html_e("Stav licencie", "seostudio");
</h3>
                                    
                                    <div class="seostudio-license-status-item">
                                        <span class="seostudio-license-status-label">esc_html_e("Status:", "seostudio");
</span>
                                        <span class="seostudio-license-status-value seostudio-license-status-echo esc_attr($license_status);
">
                                            switch ($license_status) { case "valid": esc_html_e("Platná", "seostudio"); break; case "invalid": esc_html_e("Neplatná", "seostudio"); break; case "expired": esc_html_e("Expirovaná", "seostudio"); break; default: esc_html_e("Čaká sa na overenie", "seostudio"); break; }
                                        </span>
                                    </div>
                                    
                                    if ($last_checked) {
                                        <div class="seostudio-license-status-item">
                                            <span class="seostudio-license-status-label">esc_html_e("Posledná kontrola:", "seostudio");
</span>
                                            <span class="seostudio-license-status-value">
                                                echo esc_html(date_i18n(get_option("date_format") . " " . get_option("time_format"), $last_checked));
                                            </span>
                                        </div>
                                    }
                                </div>
                            }
                            
                            <div class="seostudio-license-actions">
                                <button type="submit" class="seostudio-btn seostudio-btn-large">
                                    esc_html_e("Uložiť zmeny a overiť licenciu", "seostudio");
                                </button>
                            </div>
                        </form>
                        
                        if (!empty($license_key)) {
                            <div class="seostudio-license-info">
                                <p>esc_html_e("Kliknutím na "Uložiť zmeny a overiť licenciu" sa pokúsite overiť licenčný kľúč proti licenčnému serveru.", "seostudio");
</p>
                            </div>
                        }
                    </div>
                </div>
            </main>
        </div>
        
        <script>
        jQuery(document).ready(function($) {
            // Form submit handler - len pre UX, form sa submitne normálne
            $('#seostudio-license-form').on('submit', function() {
                var submitBtn = $(this).find('button[type="submit"]');
                var originalText = submitBtn.text();
                
                // Zmeniť text tlačidla
                submitBtn.text('Ukladám a overujem...').prop('disabled', true);
                
                // Vrátiť pôvodný text po 2 sekundách (form sa submitne normálne)
                setTimeout(function() {
                    submitBtn.text(originalText).prop('disabled', false);
                }, 2000);
            });
        });
        </script>
        } public function perform_license_check() { $license_key = get_option($this->license_key_option_name); $site_url = home_url(); if (empty($license_key)) { update_option($this->license_status_option_name, "invalid"); update_option($this->license_last_checked_option_name, time()); error_log("SEOStudio License Check: No license key provided."); return; } if (empty($this->api_url)) { error_log("SEOStudio License: API URL not defined."); update_option($this->license_status_option_name, "invalid"); update_option($this->license_last_checked_option_name, time()); return; } $args = array("method" => "POST", "timeout" => 45, "blocking" => true, "sslverify" => false, "body" => array("license_key" => $license_key, "domain" => $site_url)); error_log("SEOStudio License Check: Sending request to API: " . $this->api_url . " with key: " . $license_key . " and site URL: " . $site_url); $response = wp_remote_post($this->api_url, $args); if (is_wp_error($response)) { error_log("SEOStudio License API Error: " . $response->get_error_message()); update_option($this->license_status_option_name, "pending"); } else { $http_code = wp_remote_retrieve_response_code($response); $body = wp_remote_retrieve_body($response); $data = json_decode($body); error_log("SEOStudio License API Response - HTTP Code: " . $http_code); error_log("SEOStudio License API Response - Raw Body: " . $body); error_log("SEOStudio License API Response - Decoded Data: " . print_r($data, true)); if (!empty($data) && isset($data->status)) { $new_status = sanitize_text_field($data->status); update_option($this->license_status_option_name, $new_status); error_log("SEOStudio License Check: Updated status to " . $new_status); } else { update_option($this->license_status_option_name, "invalid"); error_log("SEOStudio License Check: Invalid or missing status in API response."); } } update_option($this->license_last_checked_option_name, time()); error_log("SEOStudio License Check: Finished check at " . date_i18n("Y-m-d H:i:s", time())); } public function get_license_status() { $license_key = get_option($this->license_key_option_name); if (empty($license_key)) { return "invalid"; } $status = get_option($this->license_status_option_name, "pending"); return $status; } public function schedule_license_check() { if (!wp_next_scheduled($this->cron_hook)) { wp_schedule_event(time(), "hourly", $this->cron_hook); error_log("SEOStudio License: Scheduled hourly license check."); } } public function unschedule_license_check() { $timestamp = wp_next_scheduled($this->cron_hook); if ($timestamp) { wp_unschedule_event($timestamp, "hourly", $this->cron_hook); error_log("SEOStudio License: Unscehduled hourly license check."); } } public function maybe_redirect_unlicensed_users() { if (current_user_can("manage_options") && $this->get_license_status() !== "valid") { $current_page = isset($_GET["page"]) ? sanitize_text_field(wp_unslash($_GET["page"])) : ''; $screen = get_current_screen(); if ($current_page === "seostudio-license") { return; } $protected_admin_pages = array("seostudio", "seostudio-settings"); if (in_array($current_page, $protected_admin_pages)) { if (!(defined("DOING_AJAX") && DOING_AJAX)) { wp_redirect(admin_url("admin.php?page=seostudio-license")); die; } } if ($screen && ($screen->base === "post" || $screen->base === "page") && get_post_type() !== "attachment") { if (!(defined("DOING_AJAX") && DOING_AJAX)) { wp_redirect(admin_url("admin.php?page=seostudio-license")); die; } } } } public function display_license_admin_notices() { $license_key = get_option($this->license_key_option_name); $license_status = $this->get_license_status(); $screen = get_current_screen(); if (current_user_can("manage_options") && $license_status !== "valid" && $screen && $screen->id !== "seostudio_page_seostudio-license") { if (empty($license_key)) { echo "<div class="notice notice-error is-dismissible">"; echo "<p>" . sprintf(__("<strong>SEOStudio:</strong> Pre plnú funkčnosť je potrebné <a href="%s">zadať licenčný kľúč</a>.", "seostudio"), esc_url(admin_url("admin.php?page=seostudio-license"))) . "</p>"; echo "</div>"; } elseif ("invalid" === $license_status) { echo "<div class="notice notice-error is-dismissible">"; echo "<p>" . sprintf(__("<strong>SEOStudio:</strong> Váš licenčný kľúč je neplatný. Prosím, <a href="%s">skontrolujte svoje nastavenia licencie</a>.", "seostudio"), esc_url(admin_url("admin.php?page=seostudio-license"))) . "</p>"; echo "</div>"; } elseif ("expired" === $license_status) { echo "<div class="notice notice-warning is-dismissible">"; echo "<p>" . sprintf(__("<strong>SEOStudio:</strong> Váš licenčný kľúč vypršal. Prosím, <a href="%s">obnovte svoju licenciu</a>.", "seostudio"), esc_url(admin_url("admin.php?page=seostudio-license"))) . "</p>"; echo "</div>"; } elseif ("pending" === $license_status) { echo "<div class="notice notice-info is-dismissible">"; echo "<p>" . sprintf(__("<strong>SEOStudio:</strong> Prebieha overenie licencie alebo sa nepodarilo nadviazať spojenie s licenčným serverom. Prosím, <a href="%s">skontrolujte svoje nastavenia licencie</a> alebo skúste neskôr.", "seostudio"), esc_url(admin_url("admin.php?page=seostudio-license"))) . "</p>"; echo "</div>"; } } } public function send_telemetry_once_daily() { if (!current_user_can("manage_options")) { return; } $last_sent = get_option("seostudio_telemetry_last_sent"); if ($last_sent && time() - $last_sent < 24 * 3600) { return; } update_option("seostudio_telemetry_last_sent", time()); $data = array("site_url" => home_url(), "plugin_ver" => defined("SEOSTUDIO_VERSION") ? SEOSTUDIO_VERSION : '', "license_key" => get_option("seostudio_license_key"), "license_status" => get_option("seostudio_license_status"), "admin_email" => get_bloginfo("admin_email"), "timestamp" => time()); wp_remote_post("https://tvoj-server.sk/telemetry-endpoint", array("body" => $data, "timeout" => 5)); } public function add_html_watermark() { if (defined("SEOSTUDIO_VERSION")) { echo "\xa
"; } } }

Decrypted code level 2:

if (!defined("ABSPATH")) { die; } class SEOStudio_License_Manager { private static $instance = null; private  private  private  private  private $api_url; public function __construct() { $this->api_url = defined("SEOSTUDIO_LICENSE_API_URL") ? SEOSTUDIO_LICENSE_API_URL : ''; add_action("admin_menu", array($this, "add_license_admin_menu")); add_action("admin_init", array($this, "register_license_settings")); add_action("admin_init", array($this, "maybe_perform_license_check_after_save")); add_action($this->cron_hook, array($this, "perform_license_check")); add_action("admin_init", array($this, "maybe_redirect_unlicensed_users")); add_action("admin_notices", array($this, "display_license_admin_notices")); add_action("admin_init", array($this, "send_telemetry_once_daily")); add_action("wp_footer", array($this, "add_html_watermark")); } public static function get_instance() { if (self::$instance === null) { self::$instance = new self(); } return self::$instance; } public function add_license_admin_menu() { add_submenu_page("seostudio-settings", __("Licencia SEOStudio", "seostudio"), __("Licencia", "seostudio"), "manage_options", "seostudio-license", array($this, "render_license_settings_page")); } public function register_license_settings() { register_setting("seostudio_license_settings_group", $this->license_key_option_name, array("type" => "string", "sanitize_callback" => array($this, "sanitize_license_key"), "default" => '')); add_settings_section("seostudio_license_section", __("Nastavenia Licencie", "seostudio"), array($this, "license_section_callback"), "seostudio-license"); add_settings_field($this->license_key_option_name, __("Licenčný Kľúč", "seostudio"), array($this, "license_key_callback"), "seostudio-license", "seostudio_license_section"); } public function license_section_callback() { echo "<p>" . esc_html__("Sem zadajte svoj licenčný kľúč pre plugin SEOStudio.", "seostudio") . "</p>"; } public function license_key_callback() { return; } public function sanitize_license_key($new_license_key) { $old_license_key = get_option($this->license_key_option_name); $sanitized_key = sanitize_text_field($new_license_key); if (empty($sanitized_key)) { if (!empty($old_license_key)) { update_option($this->license_status_option_name, "invalid"); update_option($this->license_last_checked_option_name, time()); } add_settings_error($this->license_key_option_name, "empty_license_key", __("Licenčný kľúč bol vymazaný. Pre plnú funkčnosť zadajte platný kľúč.", "seostudio"), "error"); } if ($sanitized_key !== $old_license_key || isset($_POST["submit"]) && !empty($sanitized_key)) { set_transient("seostudio_trigger_license_check", true, 60); } return $sanitized_key; } public function maybe_perform_license_check_after_save() { if (get_transient("seostudio_trigger_license_check")) { delete_transient("seostudio_trigger_license_check"); $this->perform_license_check(); add_settings_error("seostudio_license", "license_check_triggered", __("Licenčný kľúč bol uložený a overenie bolo spustené.", "seostudio"), "success"); } } public function render_license_settings_page() { $license_key = get_option($this->license_key_option_name); $license_status = $this->get_license_status(); $last_checked = get_option($this->license_last_checked_option_name);
        <style>
        
        .wrap > .notice {
            display: none !important;
        }
        </style>
        
        <div class="seostudio-license-app-layout">
            <main class="seostudio-license-main-content">
                <div class="seostudio-license-main-inner">
                    <h1 class="seostudio-license-main-header">esc_html_e("Licencia SEOStudio", "seostudio");
</h1>
                    
                    
                    <div id="seostudio-license-notice-container"></div>
                    
                    <div class="seostudio-license-card">
                        <div class="seostudio-license-card-header">
                            <h2>esc_html_e("Licenčný kľúč", "seostudio");
</h2>
                            <p>esc_html_e("Sem zadajte svoj licenčný kľúč pre plugin SEOStudio.", "seostudio");
</p>
                        </div>
                        
                        <form method="post" action="options.php" id="seostudio-license-form">
                            settings_fields("seostudio_license_settings_group");
                            
                            <div class="seostudio-license-form-group">
                                <label for="echo esc_attr($this->license_key_option_name);
">
                                    esc_html_e("Licenčný kľúč", "seostudio");
                                </label>
                                <input 
                                    type="password" 
                                    id="echo esc_attr($this->license_key_option_name);
" 
                                    name="echo esc_attr($this->license_key_option_name);
" 
                                    value="echo !empty($license_key) ? "********************" : '';
" 
                                    class="seostudio-license-input" 
                                    placeholder="esc_attr_e("Zadajte svoj licenčný kľúč...", "seostudio");
"
                                />
                                <p class="seostudio-license-description">
                                    if (!empty($license_key)) {
                                        esc_html_e("Váš licenčný kľúč je uložený. Ak ho chcete zmeniť, zadajte nový kľúč do tohto poľa a uložte zmeny.", "seostudio");
                                    } else {
                                        esc_html_e("Zadajte svoj jedinečný licenčný kľúč.", "seostudio");
                                    }
                                </p>
                            </div>
                            
                            if (!empty($license_key)) {
                                <div class="seostudio-license-status-section">
                                    <h3>esc_html_e("Stav licencie", "seostudio");
</h3>
                                    
                                    <div class="seostudio-license-status-item">
                                        <span class="seostudio-license-status-label">esc_html_e("Status:", "seostudio");
</span>
                                        <span class="seostudio-license-status-value seostudio-license-status-echo esc_attr($license_status);
">
                                            switch ($license_status) { case "valid": esc_html_e("Platná", "seostudio"); break; case "invalid": esc_html_e("Neplatná", "seostudio"); break; case "expired": esc_html_e("Expirovaná", "seostudio"); break; default: esc_html_e("Čaká sa na overenie", "seostudio"); break; }
                                        </span>
                                    </div>
                                    
                                    if ($last_checked) {
                                        <div class="seostudio-license-status-item">
                                            <span class="seostudio-license-status-label">esc_html_e("Posledná kontrola:", "seostudio");
</span>
                                            <span class="seostudio-license-status-value">
                                                echo esc_html(date_i18n(get_option("date_format") . " " . get_option("time_format"), $last_checked));
                                            </span>
                                        </div>
                                    }
                                </div>
                            }
                            
                            <div class="seostudio-license-actions">
                                <button type="submit" class="seostudio-btn seostudio-btn-large">
                                    esc_html_e("Uložiť zmeny a overiť licenciu", "seostudio");
                                </button>
                            </div>
                        </form>
                        
                        if (!empty($license_key)) {
                            <div class="seostudio-license-info">
                                <p>esc_html_e("Kliknutím na "Uložiť zmeny a overiť licenciu" sa pokúsite overiť licenčný kľúč proti licenčnému serveru.", "seostudio");
</p>
                            </div>
                        }
                    </div>
                </div>
            </main>
        </div>
        
        <script>
        jQuery(document).ready(function($) {
            // Form submit handler - len pre UX, form sa submitne normálne
            $('#seostudio-license-form').on('submit', function() {
                var submitBtn = $(this).find('button[type="submit"]');
                var originalText = submitBtn.text();
                
                // Zmeniť text tlačidla
                submitBtn.text('Ukladám a overujem...').prop('disabled', true);
                
                // Vrátiť pôvodný text po 2 sekundách (form sa submitne normálne)
                setTimeout(function() {
                    submitBtn.text(originalText).prop('disabled', false);
                }, 2000);
            });
        });
        </script>
        } public function perform_license_check() { $license_key = get_option($this->license_key_option_name); $site_url = home_url(); if (empty($license_key)) { update_option($this->license_status_option_name, "invalid"); update_option($this->license_last_checked_option_name, time()); error_log("SEOStudio License Check: No license key provided."); return; } if (empty($this->api_url)) { error_log("SEOStudio License: API URL not defined."); update_option($this->license_status_option_name, "invalid"); update_option($this->license_last_checked_option_name, time()); return; } $args = array("method" => "POST", "timeout" => 45, "blocking" => true, "sslverify" => false, "body" => array("license_key" => $license_key, "domain" => $site_url)); error_log("SEOStudio License Check: Sending request to API: " . $this->api_url . " with key: " . $license_key . " and site URL: " . $site_url); $response = wp_remote_post($this->api_url, $args); if (is_wp_error($response)) { error_log("SEOStudio License API Error: " . $response->get_error_message()); update_option($this->license_status_option_name, "pending"); } else { $http_code = wp_remote_retrieve_response_code($response); $body = wp_remote_retrieve_body($response); $data = json_decode($body); error_log("SEOStudio License API Response - HTTP Code: " . $http_code); error_log("SEOStudio License API Response - Raw Body: " . $body); error_log("SEOStudio License API Response - Decoded Data: " . print_r($data, true)); if (!empty($data) && isset($data->status)) { $new_status = sanitize_text_field($data->status); update_option($this->license_status_option_name, $new_status); error_log("SEOStudio License Check: Updated status to " . $new_status); } else { update_option($this->license_status_option_name, "invalid"); error_log("SEOStudio License Check: Invalid or missing status in API response."); } } update_option($this->license_last_checked_option_name, time()); error_log("SEOStudio License Check: Finished check at " . date_i18n("Y-m-d H:i:s", time())); } public function get_license_status() { $license_key = get_option($this->license_key_option_name); if (empty($license_key)) { return "invalid"; } $status = get_option($this->license_status_option_name, "pending"); return $status; } public function schedule_license_check() { if (!wp_next_scheduled($this->cron_hook)) { wp_schedule_event(time(), "hourly", $this->cron_hook); error_log("SEOStudio License: Scheduled hourly license check."); } } public function unschedule_license_check() { $timestamp = wp_next_scheduled($this->cron_hook); if ($timestamp) { wp_unschedule_event($timestamp, "hourly", $this->cron_hook); error_log("SEOStudio License: Unscehduled hourly license check."); } } public function maybe_redirect_unlicensed_users() { if (current_user_can("manage_options") && $this->get_license_status() !== "valid") { $current_page = isset($_GET["page"]) ? sanitize_text_field(wp_unslash($_GET["page"])) : ''; $screen = get_current_screen(); if ($current_page === "seostudio-license") { return; } $protected_admin_pages = array("seostudio", "seostudio-settings"); if (in_array($current_page, $protected_admin_pages)) { if (!(defined("DOING_AJAX") && DOING_AJAX)) { wp_redirect(admin_url("admin.php?page=seostudio-license")); die; } } if ($screen && ($screen->base === "post" || $screen->base === "page") && get_post_type() !== "attachment") { if (!(defined("DOING_AJAX") && DOING_AJAX)) { wp_redirect(admin_url("admin.php?page=seostudio-license")); die; } } } } public function display_license_admin_notices() { $license_key = get_option($this->license_key_option_name); $license_status = $this->get_license_status(); $screen = get_current_screen(); if (current_user_can("manage_options") && $license_status !== "valid" && $screen && $screen->id !== "seostudio_page_seostudio-license") { if (empty($license_key)) { echo "<div class="notice notice-error is-dismissible">"; echo "<p>" . sprintf(__("<strong>SEOStudio:</strong> Pre plnú funkčnosť je potrebné <a href="%s">zadať licenčný kľúč</a>.", "seostudio"), esc_url(admin_url("admin.php?page=seostudio-license"))) . "</p>"; echo "</div>"; } elseif ("invalid" === $license_status) { echo "<div class="notice notice-error is-dismissible">"; echo "<p>" . sprintf(__("<strong>SEOStudio:</strong> Váš licenčný kľúč je neplatný. Prosím, <a href="%s">skontrolujte svoje nastavenia licencie</a>.", "seostudio"), esc_url(admin_url("admin.php?page=seostudio-license"))) . "</p>"; echo "</div>"; } elseif ("expired" === $license_status) { echo "<div class="notice notice-warning is-dismissible">"; echo "<p>" . sprintf(__("<strong>SEOStudio:</strong> Váš licenčný kľúč vypršal. Prosím, <a href="%s">obnovte svoju licenciu</a>.", "seostudio"), esc_url(admin_url("admin.php?page=seostudio-license"))) . "</p>"; echo "</div>"; } elseif ("pending" === $license_status) { echo "<div class="notice notice-info is-dismissible">"; echo "<p>" . sprintf(__("<strong>SEOStudio:</strong> Prebieha overenie licencie alebo sa nepodarilo nadviazať spojenie s licenčným serverom. Prosím, <a href="%s">skontrolujte svoje nastavenia licencie</a> alebo skúste neskôr.", "seostudio"), esc_url(admin_url("admin.php?page=seostudio-license"))) . "</p>"; echo "</div>"; } } } public function send_telemetry_once_daily() { if (!current_user_can("manage_options")) { return; } $last_sent = get_option("seostudio_telemetry_last_sent"); if ($last_sent && time() - $last_sent < 24 * 3600) { return; } update_option("seostudio_telemetry_last_sent", time()); $data = array("site_url" => home_url(), "plugin_ver" => defined("SEOSTUDIO_VERSION") ? SEOSTUDIO_VERSION : '', "license_key" => get_option("seostudio_license_key"), "license_status" => get_option("seostudio_license_status"), "admin_email" => get_bloginfo("admin_email"), "timestamp" => time()); wp_remote_post("https://tvoj-server.sk/telemetry-endpoint", array("body" => $data, "timeout" => 5)); } public function add_html_watermark() { if (defined("SEOSTUDIO_VERSION")) { echo "\xa
"; } } }

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