669f5d5650
- hvac-nocache.php: Prevents caching on HVAC pages and for logged-in users - mu-certificate-handler.php: Handles certificate URLs at earliest stage to prevent 404 errors These MU plugins are critical for proper functionality of dashboard, login, and certificate features. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
75 lines
No EOL
2.5 KiB
PHP
75 lines
No EOL
2.5 KiB
PHP
<?php
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/**
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* MU Plugin: HVAC Certificate URL Handler
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*
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* This MUST-USE plugin handles certificate URLs at the earliest possible stage
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* to prevent 404 errors.
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*
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* Place this file in wp-content/mu-plugins/
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*/
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// Only run on frontend
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if (!defined('ABSPATH') || defined('WP_ADMIN')) {
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return;
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}
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// Check for certificate URLs immediately
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add_action('muplugins_loaded', function() {
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$request_uri = $_SERVER['REQUEST_URI'] ?? '';
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$parsed = parse_url($request_uri);
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$path = rtrim($parsed['path'] ?? '', '/');
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// Check if this is a certificate URL
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if (preg_match('#^/hvac-certificate/([a-zA-Z0-9]{32})$#', $path, $matches)) {
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$token = $matches[1];
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// Load WordPress to access functions
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if (!function_exists('get_transient')) {
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return;
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}
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// Hook into the earliest possible action to handle the certificate
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add_action('plugins_loaded', function() use ($token) {
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// Check if token exists
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$certificate_data = get_transient('hvac_certificate_token_' . $token);
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if (!$certificate_data) {
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// Invalid token - show 404
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status_header(404);
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wp_die('Certificate not found', 'Not Found', array('response' => 404));
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}
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// Delete token to prevent reuse
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delete_transient('hvac_certificate_token_' . $token);
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// Get file path
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$upload_dir = wp_upload_dir();
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$file_path = $upload_dir['basedir'] . '/' . $certificate_data['file_path'];
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if (!file_exists($file_path)) {
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status_header(404);
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wp_die('Certificate file not found', 'Not Found', array('response' => 404));
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}
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// Serve the file
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$file_name = basename($file_path);
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$file_size = filesize($file_path);
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// Set headers
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nocache_headers();
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header('Content-Type: application/pdf');
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header('Content-Disposition: attachment; filename="certificate.pdf"');
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header('Content-Transfer-Encoding: binary');
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header('Content-Length: ' . $file_size);
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// Clear any output buffers
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while (ob_get_level()) {
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ob_end_clean();
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}
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// Output file
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readfile($file_path);
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exit;
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}, 1);
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}
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}, 1); |