0.1, 'watermark_size' => 20, 'watermark_spacing' => 150, 'watermark_color' => '#000000', 'watermark_angle' => -45, 'enable_devtools_protection' => 'yes', 'enable_print_protection' => 'yes', 'enable_copy_protection' => 'yes', 'enable_for_guests' => 'no', 'enable_guest_protection_only' => 'no', 'enable_guest_custom_watermark' => 'no', 'enable_custom_watermark' => 'no', 'custom_watermark_text' => '', 'watermark_type' => 'username', 'excluded_post_types' => array(), 'excluded_roles' => array(), ); $current_options = get_option('lelms_copyright_options', false); if ($current_options === false) { update_option('lelms_copyright_options', $defaults); $this->options = $defaults; } else { $this->options = wp_parse_args($current_options, $defaults); } add_action('wp_enqueue_scripts', array($this, 'enqueue_scripts')); if (did_action('wp_body_open')) { add_action('wp_body_open', array($this, 'add_watermark_container')); } else { add_action('wp_footer', array($this, 'add_watermark_container')); } add_action('admin_menu', array($this, 'add_admin_menu')); add_action('admin_init', array($this, 'register_settings')); add_action('wp_ajax_lelms_reset_options', array($this, 'reset_options')); } public function add_admin_menu() { add_options_page( __('LeLMS Copyright Settings', 'lelms-copyright'), __('Copyright', 'lelms-copyright'), 'manage_options', 'lelms-copyright', array($this, 'options_page') ); } public function register_settings() { register_setting('lelms_copyright', 'lelms_copyright_options', array($this, 'sanitize_options')); if (!isset($_GET['page']) || $_GET['page'] !== 'lelms-copyright') { return; } add_settings_section( 'lelms_copyright_section', __('Watermark Settings', 'lelms-copyright'), array($this, 'section_description'), 'lelms-copyright' ); add_settings_section( 'lelms_copyright_advanced_section', __('Advanced Settings', 'lelms-copyright'), array($this, 'advanced_section_description'), 'lelms-copyright-advanced' ); $this->add_settings_fields(); } public function section_description() { echo '

' . esc_html__('Customize the watermark appearance and protection settings to secure your content.', 'lelms-copyright') . '

'; } public function advanced_section_description() { echo '

' . esc_html__('Configure advanced options to exclude specific post types or user roles from watermark and protection.', 'lelms-copyright') . '

'; } public function sanitize_options($input) { $sanitized = array(); $defaults = array( 'watermark_opacity' => 0.1, 'watermark_size' => 20, 'watermark_spacing' => 150, 'watermark_color' => '#000000', 'watermark_angle' => -45, 'enable_devtools_protection' => 'yes', 'enable_print_protection' => 'yes', 'enable_copy_protection' => 'yes', 'enable_for_guests' => 'no', 'enable_guest_protection_only' => 'no', 'enable_guest_custom_watermark' => 'no', 'enable_custom_watermark' => 'no', 'custom_watermark_text' => '', 'watermark_type' => 'username', 'excluded_post_types' => array(), 'excluded_roles' => array(), ); $sanitized['watermark_opacity'] = min(max(floatval($input['watermark_opacity']), 0), 1); $sanitized['watermark_size'] = absint($input['watermark_size']); $sanitized['watermark_spacing'] = absint($input['watermark_spacing']); $sanitized['watermark_color'] = sanitize_hex_color($input['watermark_color']); $sanitized['watermark_angle'] = intval($input['watermark_angle']); $sanitized['enable_devtools_protection'] = isset($input['enable_devtools_protection']) && $input['enable_devtools_protection'] === 'yes' ? 'yes' : 'no'; $sanitized['enable_print_protection'] = isset($input['enable_print_protection']) && $input['enable_print_protection'] === 'yes' ? 'yes' : 'no'; $sanitized['enable_copy_protection'] = isset($input['enable_copy_protection']) && $input['enable_copy_protection'] === 'yes' ? 'yes' : 'no'; $sanitized['enable_for_guests'] = isset($input['enable_for_guests']) && $input['enable_for_guests'] === 'yes' ? 'yes' : 'no'; $sanitized['enable_guest_protection_only'] = isset($input['enable_guest_protection_only']) && $input['enable_guest_protection_only'] === 'yes' ? 'yes' : 'no'; $sanitized['enable_guest_custom_watermark'] = isset($input['enable_guest_custom_watermark']) && $input['enable_guest_custom_watermark'] === 'yes' ? 'yes' : 'no'; $sanitized['enable_custom_watermark'] = isset($input['enable_custom_watermark']) && $input['enable_custom_watermark'] === 'yes' ? 'yes' : 'no'; $sanitized['custom_watermark_text'] = sanitize_text_field($input['custom_watermark_text']); $sanitized['watermark_type'] = in_array($input['watermark_type'], ['none', 'username', 'nickname', 'email', 'timestamp']) ? $input['watermark_type'] : 'username'; $sanitized['excluded_post_types'] = array_map('sanitize_key', (array) $input['excluded_post_types']); $sanitized['excluded_roles'] = array_map('sanitize_key', (array) $input['excluded_roles']); return wp_parse_args($sanitized, $defaults); } public function should_apply_protection() { $user = wp_get_current_user(); $user_roles = $user && $user->roles ? $user->roles : array('guest'); if (array_intersect($user_roles, (array) $this->options['excluded_roles'])) { return false; } $post_type = get_post_type() ?: 'page'; if (in_array($post_type, (array) $this->options['excluded_post_types'])) { return false; } if (!is_user_logged_in()) { return $this->options['enable_for_guests'] === 'yes'; } return true; } public function should_apply_watermark() { if (!$this->should_apply_protection()) { return false; } if ($this->options['watermark_type'] === 'none' && $this->options['enable_custom_watermark'] !== 'yes') { return false; } $is_guest = !is_user_logged_in(); if ($is_guest) { return $this->options['enable_for_guests'] === 'yes' && $this->options['enable_guest_custom_watermark'] === 'yes'; } return true; } public function add_watermark_container() { if ($this->should_apply_watermark()) { echo '
'; } } private function add_settings_fields() { $fields = array( 'watermark_opacity' => array( 'title' => __('Watermark Opacity', 'lelms-copyright'), 'type' => 'number', 'attrs' => 'step="0.1" min="0" max="1"', 'description' => __('Set the transparency of the watermark (0 = fully transparent, 1 = fully opaque).', 'lelms-copyright') ), 'watermark_size' => array( 'title' => __('Watermark Size (px)', 'lelms-copyright'), 'type' => 'number', 'description' => __('Define the font size of the watermark text in pixels.', 'lelms-copyright') ), 'watermark_spacing' => array( 'title' => __('Watermark Spacing (px)', 'lelms-copyright'), 'type' => 'number', 'description' => __('Set the distance between each watermark in pixels.', 'lelms-copyright') ), 'watermark_color' => array( 'title' => __('Watermark Color', 'lelms-copyright'), 'type' => 'color', 'description' => __('Choose the color of the watermark text.', 'lelms-copyright') ), 'watermark_angle' => array( 'title' => __('Watermark Angle', 'lelms-copyright'), 'type' => 'number', 'description' => __('Set the rotation angle of the watermark text in degrees (e.g., -45 for diagonal).', 'lelms-copyright') ), 'watermark_type' => array( 'title' => __('Watermark Type', 'lelms-copyright'), 'type' => 'select', 'description' => __('Choose the type of watermark to display for logged-in users (overridden by custom watermark if enabled).', 'lelms-copyright'), 'options' => array( 'none' => __('No Watermark', 'lelms-copyright'), 'username' => __('Username', 'lelms-copyright'), 'nickname' => __('Nickname', 'lelms-copyright'), 'email' => __('Email', 'lelms-copyright'), 'timestamp' => __('Timestamp', 'lelms-copyright'), ), ), 'enable_devtools_protection' => array( 'title' => __('Enable DevTools Protection', 'lelms-copyright'), 'type' => 'checkbox', 'description' => __('Prevent users from opening browser developer tools (e.g., F12 or Ctrl+Shift+I).', 'lelms-copyright') ), 'enable_print_protection' => array( 'title' => __('Enable Print Protection', 'lelms-copyright'), 'type' => 'checkbox', 'description' => __('Block printing of the page to protect your content.', 'lelms-copyright') ), 'enable_copy_protection' => array( 'title' => __('Enable Copy Protection', 'lelms-copyright'), 'type' => 'checkbox', 'description' => __('Disable copying of text and right-click menus outside of form fields.', 'lelms-copyright') ), 'enable_for_guests' => array( 'title' => __('Enable Guest Mode', 'lelms-copyright'), 'type' => 'checkbox', 'description' => __('Enable protection features for non-logged-in users. Additional options will appear when checked.', 'lelms-copyright') ), 'enable_guest_protection_only' => array( 'title' => __('Enable Protection Only for Guests', 'lelms-copyright'), 'type' => 'checkbox', 'description' => __('Apply only protection features (no watermark) to non-logged-in users.', 'lelms-copyright') ), 'enable_guest_custom_watermark' => array( 'title' => __('Show Custom Watermark for Guests', 'lelms-copyright'), 'type' => 'checkbox', 'description' => __('Display the custom watermark text (defined below) for non-logged-in users.', 'lelms-copyright') ), 'enable_custom_watermark' => array( 'title' => __('Enable Custom Watermark', 'lelms-copyright'), 'type' => 'checkbox', 'description' => __('Use a custom watermark text instead of the selected watermark type.', 'lelms-copyright') ), 'custom_watermark_text' => array( 'title' => __('Custom Watermark Text', 'lelms-copyright'), 'type' => 'text', 'description' => __('Enter custom watermark text (applies if "Enable Custom Watermark" or "Show Custom Watermark for Guests" is checked). If empty, "LeLMS Copyright" will be used.', 'lelms-copyright') ), ); foreach ($fields as $key => $field) { add_settings_field( $key, $field['title'], array($this, 'render_field'), 'lelms-copyright', 'lelms_copyright_section', array( 'key' => $key, 'type' => $field['type'], 'attrs' => isset($field['attrs']) ? $field['attrs'] : '', 'description' => $field['description'], 'options' => isset($field['options']) ? $field['options'] : array(), ) ); } $advanced_fields = array( 'excluded_post_types' => array( 'title' => __('Excluded Post Types', 'lelms-copyright'), 'type' => 'checkbox_group', 'description' => __('Select post types where watermark and protection should not apply.', 'lelms-copyright'), 'options' => $this->get_public_post_types(), ), 'excluded_roles' => array( 'title' => __('Excluded User Roles', 'lelms-copyright'), 'type' => 'checkbox_group', 'description' => __('Select user roles exempt from watermark and protection.', 'lelms-copyright'), 'options' => $this->get_user_roles(), ), ); foreach ($advanced_fields as $key => $field) { add_settings_field( $key, $field['title'], array($this, 'render_field'), 'lelms-copyright-advanced', 'lelms_copyright_advanced_section', array( 'key' => $key, 'type' => $field['type'], 'description' => $field['description'], 'options' => $field['options'], ) ); } } private function get_public_post_types() { $post_types = get_post_types(array('public' => true), 'objects'); $options = array(); foreach ($post_types as $post_type) { $options[$post_type->name] = $post_type->label; } return $options; } private function get_user_roles() { global $wp_roles; $roles = $wp_roles->roles; $options = array(); foreach ($roles as $role => $details) { $options[$role] = $details['name']; } $options['guest'] = __('Guest (Not Logged In)', 'lelms-copyright'); return $options; } public function render_field($args) { $key = $args['key']; $type = $args['type']; $value = $this->options[$key]; $attrs = isset($args['attrs']) ? $args['attrs'] : ''; $description = isset($args['description']) ? $args['description'] : ''; $options = isset($args['options']) ? $args['options'] : array(); if ($type === 'checkbox') { printf( '', esc_attr($key), $attrs, checked($value, 'yes', false) ); } elseif ($type === 'select') { printf(''; } elseif ($type === 'checkbox_group') { $value = (array) $value; foreach ($options as $opt_value => $opt_label) { printf( '
', esc_attr($key), esc_attr($opt_value), checked(in_array($opt_value, $value), true, false), esc_html($opt_label) ); } } else { printf( '', esc_attr($type), esc_attr($key), esc_attr($value), $attrs ); } if ($description) { echo '

' . esc_html($description) . '

'; } } public function options_page() { ?>

should_apply_protection()) { $style_url = plugins_url('css/style.css', __FILE__); $script_url = plugins_url('js/watermark.js', __FILE__); if (!file_exists(plugin_dir_path(__FILE__) . 'css/style.css')) { error_log('LeLMS Copyright: CSS file not found at ' . plugin_dir_path(__FILE__) . 'css/style.css'); } if (!file_exists(plugin_dir_path(__FILE__) . 'js/watermark.js')) { error_log('LeLMS Copyright: JS file not found at ' . plugin_dir_path(__FILE__) . 'js/watermark.js'); } wp_enqueue_style('lelms-copyright', $style_url, array(), '1.1.5'); wp_enqueue_script('lelms-copyright', $script_url, array('jquery'), '1.1.5', true); $user = is_user_logged_in() ? wp_get_current_user() : null; $watermark_text = ''; $is_guest = !is_user_logged_in(); if ($this->should_apply_watermark()) { if ($is_guest) { $watermark_text = !empty($this->options['custom_watermark_text']) ? $this->options['custom_watermark_text'] : 'LeLMS Copyright'; } else { if ($this->options['enable_custom_watermark'] === 'yes') { $watermark_text = !empty($this->options['custom_watermark_text']) ? $this->options['custom_watermark_text'] : 'LeLMS Copyright'; } else { switch ($this->options['watermark_type']) { case 'none': $watermark_text = ''; break; case 'username': $watermark_text = $user ? '@' . $user->user_login : ''; break; case 'nickname': $watermark_text = $user ? $user->display_name : ''; break; case 'email': $watermark_text = $user ? $user->user_email : ''; break; case 'timestamp': $watermark_text = current_time('Y-m-d H:i:s'); break; } } } } wp_localize_script('lelms-copyright', 'lelmsData', array( 'username' => $watermark_text, 'options' => $this->options, 'warningMessage' => __('This action is disabled on this site.', 'lelms-copyright'), 'isGuest' => $is_guest, )); } } public function reset_options() { check_ajax_referer('lelms_reset_nonce', 'nonce'); if (!current_user_can('manage_options')) { wp_send_json_error('Permission denied'); } $defaults = array( 'watermark_opacity' => 0.1, 'watermark_size' => 20, 'watermark_spacing' => 150, 'watermark_color' => '#000000', 'watermark_angle' => -45, 'enable_devtools_protection' => 'yes', 'enable_print_protection' => 'yes', 'enable_copy_protection' => 'yes', 'enable_for_guests' => 'no', 'enable_guest_protection_only' => 'no', 'enable_guest_custom_watermark' => 'no', 'enable_custom_watermark' => 'no', 'custom_watermark_text' => '', 'watermark_type' => 'username', 'excluded_post_types' => array(), 'excluded_roles' => array(), ); update_option('lelms_copyright_options', $defaults); wp_send_json_success('Settings reset to defaults'); } } new LELMS_Copyright(); require_once plugin_dir_path(__FILE__) . 'lib/plugin-update-checker/plugin-update-checker.php'; use YahnisElsts\PluginUpdateChecker\v5p3\PucFactory; $lelmsUpdateChecker = PucFactory::buildUpdateChecker( 'https://updates.weixiaoduo.com/lelms-copyright.json', __FILE__, 'lelms-copyright' );