Add config file support

[acme] / www / acme-challenge.php

diff --git a/www/acme-challenge.php b/www/acme-challenge.php
new file mode 100644 (file)
index 0000000..c41a3d5
--- /dev/null
+++ b/www/acme-challenge.php
@@ -0,0 +1,22 @@
+<?php
+//Config file to read
+$conf = '/etc/acmepl/config';
+
+//Unable to show key.thumbprint couple
+if (
+       //Handle config parsing
+       !is_readable($conf) || ($config = file_get_contents($conf)) === false || ($config = json_decode($config)) === null ||
+       //Handle thumbprint file read
+       !is_readable($config->thumbprint) || ($thumbprint = file_get_contents($config->thumbprint)) === false ||
+       //Handle get key parsing
+       empty($_GET['key']) || !preg_match('/^[-_a-zA-Z0-9]+$/', $_GET['key'])
+) {
+       header((!empty($_SERVER['SERVER_PROTOCOL'])?$_SERVER['SERVER_PROTOCOL']:'HTTP/1.0').' 404 Not Found');
+       exit;
+}
+
+//Send plain text header
+header('Content-Type: text/plain');
+
+//Display key.thumbprint couple
+echo $_GET['key'].$thumbprint;