/*
Theme Name: Twenty Twenty-Five
Theme URI: https://wordpress.org/themes/twentytwentyfive/
Author: the WordPress team
Author URI: https://wordpress.org
Description: Twenty Twenty-Five emphasizes simplicity and adaptability. It offers flexible design options, supported by a variety of patterns for different page types, such as services and landing pages, making it ideal for building personal blogs, professional portfolios, online magazines, or business websites. Its templates cater to various blog styles, from text-focused to image-heavy layouts. Additionally, it supports international typography and diverse color palettes, ensuring accessibility and customization for users worldwide.
Requires at least: 6.7
Tested up to: 6.8
Requires PHP: 7.2
Version: 1.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: twentytwentyfive
Tags: one-column, custom-colors, custom-menu, custom-logo, editor-style, featured-images, full-site-editing, block-patterns, rtl-language-support, sticky-post, threaded-comments, translation-ready, wide-blocks, block-styles, style-variations, accessibility-ready, blog, portfolio, news
*/

/*
 * Link styles
 * https://github.com/WordPress/gutenberg/issues/42319
 */
a {
	text-decoration-thickness: 1px !important;
	text-underline-offset: .1em;
}

/* Focus styles */
:where(.wp-site-blocks *:focus) {
	outline-width: 2px;
	outline-style: solid;
}

/* Increase the bottom margin on submenus, so that the outline is visible. */
.wp-block-navigation .wp-block-navigation-submenu .wp-block-navigation-item:not(:last-child) {
	margin-bottom: 3px;
}

/* Increase the outline offset on the parent menu items, so that the outline does not touch the text. */
.wp-block-navigation .wp-block-navigation-item .wp-block-navigation-item__content {
	outline-offset: 4px;
}

/* Remove outline offset from the submenus, otherwise the outline is visible outside the submenu container. */
.wp-block-navigation .wp-block-navigation-item ul.wp-block-navigation__submenu-container .wp-block-navigation-item__content {
	outline-offset: 0;
}

/*
 * Progressive enhancement to reduce widows and orphans
 * https://github.com/WordPress/gutenberg/issues/55190
 */
h1, h2, h3, h4, h5, h6, blockquote, caption, figcaption, p {
	text-wrap: pretty;
}

/*
 * Change the position of the more block on the front, by making it a block level element.
 * https://github.com/WordPress/gutenberg/issues/65934
*/
.more-link {
	display: block;
}

/**
 * 使用WordPress重写规则处理证书请求 - 完全避免路径暴露
 */

// 1. 添加重写规则
function add_cert_rewrite_rule() {
    add_rewrite_rule(
        '^certificate/([a-zA-Z0-9_-]+)/?$',
        'index.php?certificate_id=$matches[1]',
        'top'
    );
}
add_action('init', 'add_cert_rewrite_rule');

// 2. 添加查询变量
function add_cert_query_var($vars) {
    $vars[] = 'certificate_id';
    return $vars;
}
add_filter('query_vars', 'add_cert_query_var');

// 3. 处理证书请求
function handle_cert_rewrite_request() {
    $certificate_id = get_query_var('certificate_id');
    
    if (!empty($certificate_id)) {
        // 验证证书ID格式
        if (preg_match('/^[a-zA-Z0-9_-]+$/i', $certificate_id)) {
            
            $file_path = WP_CONTENT_DIR . '/cert-pdfs/' . $certificate_id . '.pdf';
            
            if (file_exists($file_path)) {
                // 清除所有输出
                while (ob_get_level()) {
                    ob_end_clean();
                }
                
                // 设置PDF头信息
                header('Content-Type: application/pdf');
                header('Content-Disposition: inline; filename="' . $certificate_id . '.pdf"');
                header('Content-Length: ' . filesize($file_path));
                header('Cache-Control: public, max-age=3600');
                
                // 输出文件
                readfile($file_path);
                exit;
            } else {
                // 文件不存在
                status_header(404);
                echo '证书未找到: ' . esc_html($certificate_id);
                exit;
            }
        } else {
            // 格式错误
            status_header(400);
            echo '无效的证书编号';
            exit;
        }
    }
}
add_action('template_redirect', 'handle_cert_rewrite_request');


