Initial commit: Proxy-aware HTTPS plugin

Author: bitcryptic-gw

LICENSE

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+MIT License
+
+Copyright (c) 2025 BitCryptic
+
+Permission is hereby granted, free of charge, to any person obtaining a copy...
+

README.md

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+# Proxy-Aware HTTPS Fix
+
+A lightweight WordPress plugin that enforces HTTPS detection and correct REST API resolution when running behind reverse proxies like Caddy, Nginx, or Traefik.
+
+## Features
+
+- Forces `$_SERVER['HTTPS'] = 'on'` when proxy headers or domain heuristics indicate HTTPS
+- Rewrites `home_url()` and `site_url()` to always return `https://`
+- Ensures Rank Math SEO plugin uses the correct REST API base
+- Compatible with Dockerized WordPress stacks and reverse proxy setups
+
+## Installation
+
+1. Download or clone this repository into your WordPress `wp-content/plugins/` directory.
+2. Activate the plugin via the WordPress admin dashboard.
+
+## Usage
+
+No configuration required. The plugin auto-detects proxy headers and enforces HTTPS behavior.
+
+## Author
+
+**BitCryptic**  
+Built by BitCryptic for scalable, proxy-aware WordPress deployments.
+
+## License
+
+MIT — see [LICENSE](LICENSE) for details.
+

proxy-aware-https-fix.php

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+<?php
+
+/**
+ * Plugin Name: Proxy-Aware HTTPS Fix
+ * Description: Enforces HTTPS detection and correct REST API resolution behind reverse proxies.
+ * Version: 1.3
+ * Author: BitCryptic
+ */
+
+if (defined('WP_CLI') && WP_CLI) return;
+
+add_action('plugins_loaded', function() {
+    $host = $_SERVER['HTTP_HOST'] ?? '';
+    $proto = $_SERVER['HTTP_X_FORWARDED_PROTO'] ?? '';
+
+    if (
+        (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] !== 'on') &&
+        ($proto === 'https' || strpos($host, '.') !== false)
+    ) {
+        $_SERVER['HTTPS'] = 'on';
+    }
+});
+
+add_filter('home_url', function($url) {
+    return str_starts_with($url, 'http:') ? 'https:' . substr($url, 5) : $url;
+});
+
+add_filter('site_url', function($url) {
+    return str_starts_with($url, 'http:') ? 'https:' . substr($url, 5) : $url;
+});
+
+add_filter('rank_math/rest_api_url', function() {
+    return get_site_url(null, '/wp-json/');
+});