导入 AKSRT 主题开发源码
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<?php
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/**
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* AKSRT Content Visibility
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*
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* Central access policy for shortcode-gated content and paid-content runtime.
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*
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* @package AKSRT
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*/
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defined('ABSPATH') || exit;
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class AKSRT_Content_Visibility {
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private static $instance = null;
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public static function get_instance(): self {
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if (null === self::$instance) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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public function init(): void {
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// 短代码注册统一在 AKSRT_Shortcodes（registry）；本类只提供渲染实现。
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add_action('wp_ajax_aksrt_check_visibility', [$this, 'ajax_check_visibility']);
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add_action('wp_ajax_nopriv_aksrt_check_visibility', [$this, 'ajax_check_visibility']);
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}
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/**
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* @param int|WP_Post|null $post
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* @return array<string, mixed>
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*/
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public static function get_post_access_state($post = null, int $user_id = 0): array {
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$resource_post = get_post($post);
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$uid = $user_id > 0 ? $user_id : get_current_user_id();
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$pay_meta = function_exists('aksrt_get_pay_meta')
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? aksrt_get_pay_meta($resource_post)
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: AKSRT_Domain_Model::default_pay_meta();
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$pay_type = AKSRT_Domain_Model::normalize_pay_type((string) ($pay_meta['pay_type'] ?? AKSRT_Domain_Model::PAY_TYPE_NO));
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$price = (float) ($pay_meta['price'] ?? 0);
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$paid_settings = class_exists('AKSRT_Settings')
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? AKSRT_Settings::get_paid_content_settings()
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: [
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'download_login' => true,
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'download_credit' => true,
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'download_captcha' => false,
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];
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$state = [
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'post_id' => $resource_post instanceof WP_Post ? (int) $resource_post->ID : 0,
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'pay_type' => $pay_type,
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'price' => $price,
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'need_login' => false,
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'need_purchase' => false,
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'need_vip' => false,
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'require_captcha' => false,
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'has_paid_access' => false,
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'can_view' => true,
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'can_download' => true,
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'download_cost' => 0,
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];
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if (!($resource_post instanceof WP_Post)) {
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$state['can_view'] = false;
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$state['can_download'] = false;
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return $state;
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}
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if ($pay_type === AKSRT_Domain_Model::PAY_TYPE_NO) {
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return $state;
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}
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$has_free_access = $price <= 0 && $pay_type !== AKSRT_Domain_Model::PAY_TYPE_VIP;
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$has_paid_order = false;
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if ($uid > 0 && class_exists('AKSRT_Order')) {
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$has_paid_order = AKSRT_Order::get_instance()->has_paid_access(
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$uid,
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AKSRT_Domain_Model::ORDER_PRODUCT_RESOURCE,
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(int) $resource_post->ID
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);
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}
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$has_vip_access = false;
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if ($uid > 0) {
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if (function_exists('aksrt_is_vip_exempt') && aksrt_is_vip_exempt($uid)) {
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$has_vip_access = true;
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} elseif (function_exists('aksrt_is_vip') && $pay_type === AKSRT_Domain_Model::PAY_TYPE_VIP) {
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$has_vip_access = aksrt_is_vip($uid);
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}
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}
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if ($pay_type === AKSRT_Domain_Model::PAY_TYPE_DOWNLOAD) {
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$download_cost = function_exists('aksrt_resource_download_cost')
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? (int) aksrt_resource_download_cost($resource_post)
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: (int) ceil($price);
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$state['download_cost'] = max(0, $download_cost);
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$state['need_login'] = !empty($paid_settings['download_login']) || !empty($pay_meta['require_login']);
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$state['require_captcha'] = !empty($paid_settings['download_captcha']) || !empty($pay_meta['require_captcha']);
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$state['need_purchase'] = !$has_vip_access && $state['download_cost'] > 0;
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$state['has_paid_access'] = $has_vip_access || $has_paid_order || !$state['need_purchase'];
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$state['can_view'] = true;
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$state['can_download'] = !$state['need_login'] || $uid > 0;
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return $state;
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}
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if ($pay_type === AKSRT_Domain_Model::PAY_TYPE_VIP) {
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$state['need_vip'] = true;
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$state['has_paid_access'] = $has_vip_access;
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$state['can_view'] = $has_vip_access;
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$state['can_download'] = false;
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return $state;
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}
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$state['need_login'] = !empty($pay_meta['require_login']);
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$state['need_purchase'] = !$has_free_access;
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$state['has_paid_access'] = $has_free_access || $has_paid_order || $has_vip_access;
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$state['can_view'] = $state['has_paid_access'] && (!$state['need_login'] || $uid > 0);
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$state['can_download'] = false;
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return $state;
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}
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public static function can_view_paid_content($post = null, int $user_id = 0): bool {
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$state = self::get_post_access_state($post, $user_id);
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return !empty($state['can_view']);
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}
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/**
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* @param int|WP_Post|null $post
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* @return true|WP_Error
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*/
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public static function can_download_resource($post = null, int $user_id = 0) {
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$resource_post = get_post($post);
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if (!($resource_post instanceof WP_Post) || !function_exists('aksrt_is_resource_post') || !aksrt_is_resource_post($resource_post)) {
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return new WP_Error('aksrt_not_resource', __('该内容不是可下载资源。', 'aksrt'));
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}
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$state = self::get_post_access_state($resource_post, $user_id);
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$uid = $user_id > 0 ? $user_id : get_current_user_id();
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if (($state['pay_type'] ?? '') !== AKSRT_Domain_Model::PAY_TYPE_DOWNLOAD) {
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return new WP_Error('aksrt_not_downloadable', __('该内容不是可下载资源。', 'aksrt'));
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}
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if (!empty($state['need_login']) && $uid <= 0) {
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return new WP_Error('aksrt_need_login', __('请先登录后再下载。', 'aksrt'), [
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'status' => 401,
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'login_url' => wp_login_url(get_permalink($resource_post)),
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]);
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}
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$cost = (int) ($state['download_cost'] ?? 0);
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$paid_settings = class_exists('AKSRT_Settings')
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? AKSRT_Settings::get_paid_content_settings()
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: ['download_credit' => true];
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if (!empty($paid_settings['download_credit']) && $cost > 0) {
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$balance = class_exists('AKSRT_Credits') ? AKSRT_Credits::balance($uid) : 0;
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if ($balance < $cost) {
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return new WP_Error('aksrt_credits_insufficient', __('积分不足，无法下载。', 'aksrt'), [
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'status' => 402,
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'balance' => $balance,
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'cost' => $cost,
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]);
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}
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}
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return true;
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}
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public function render_hide_shortcode(array $atts, string $content = ''): string {
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$atts = shortcode_atts([
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'mode' => 'comment',
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'message' => '',
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'pid' => get_the_ID(),
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], $atts, 'aksrt_hide');
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$mode = sanitize_key((string) $atts['mode']);
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$pid = (int) $atts['pid'];
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$message = (string) $atts['message'];
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if ($pid <= 0) {
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return '';
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}
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if ($this->is_unlocked($mode, $pid)) {
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return '<div class="aksrt-hidden-content aksrt-hidden-content--unlocked">' . do_shortcode($content) . '</div>';
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}
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if ($message === '') {
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switch ($mode) {
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case 'comment':
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$message = __('评论后查看隐藏内容', 'aksrt');
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break;
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case 'login':
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$message = __('登录后查看隐藏内容', 'aksrt');
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break;
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case 'password':
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$message = __('输入密码后查看隐藏内容', 'aksrt');
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break;
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default:
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$message = __('此内容已隐藏', 'aksrt');
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}
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}
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$wrapper_class = 'aksrt-hidden-content aksrt-hidden-content--locked aksrt-hidden-content--' . esc_attr($mode);
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$html = '<div class="' . $wrapper_class . '" data-aksrt-visibility-mode="' . esc_attr($mode) . '" data-aksrt-visibility-pid="' . esc_attr((string) $pid) . '">';
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$html .= '<div class="aksrt-hidden-content__message">';
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$html .= '<i class="fas fa-lock" aria-hidden="true"></i> ';
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$html .= '<span>' . esc_html($message) . '</span>';
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$html .= '</div>';
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if ($mode === 'password') {
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$html .= '<div class="aksrt-hidden-content__form">';
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$html .= '<input type="password" class="aksrt-hidden-content__password-input" placeholder="' . esc_attr__('请输入密码', 'aksrt') . '">';
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$html .= '<button type="button" class="aksrt-hidden-content__submit-btn btn-primary btn-sm">' . esc_html__('验证', 'aksrt') . '</button>';
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$html .= '</div>';
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}
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$html .= '</div>';
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return $html;
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}
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private function is_unlocked(string $mode, int $pid): bool {
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switch ($mode) {
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case 'comment':
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if (!is_user_logged_in()) {
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return false;
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}
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return get_comments([
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'post_id' => $pid,
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'user_id' => get_current_user_id(),
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'count' => true,
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'status' => 'approve',
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]) > 0;
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case 'login':
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return is_user_logged_in();
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case 'password':
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return !empty($_COOKIE['aksrt_hide_pwd_' . $pid]);
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default:
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return false;
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}
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}
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public function ajax_check_visibility(): void {
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check_ajax_referer('aksrt_visibility', '_nonce');
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$mode = sanitize_key((string) ($_POST['mode'] ?? ''));
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$pid = (int) ($_POST['pid'] ?? 0);
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if ($pid <= 0 || !in_array($mode, ['comment', 'login', 'password'], true)) {
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wp_send_json_error(['message' => __('参数无效', 'aksrt')]);
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}
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if ($mode === 'password') {
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$password = sanitize_text_field((string) ($_POST['password'] ?? ''));
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$post_password = get_post_password($pid);
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if ($post_password === '' || $password !== $post_password) {
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wp_send_json_error(['message' => __('密码错误', 'aksrt')]);
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}
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setcookie('aksrt_hide_pwd_' . $pid, '1', time() + HOUR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, is_ssl(), true);
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wp_send_json_success(['message' => __('验证成功', 'aksrt')]);
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}
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if ($this->is_unlocked($mode, $pid)) {
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wp_send_json_success(['message' => __('已解锁', 'aksrt')]);
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}
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wp_send_json_error(['message' => __('未满足条件', 'aksrt')]);
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}
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}
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