page: move client authentication to php include

[minimedit.git] / edit.php

diff --git a/edit.php b/edit.php
old mode 100644 (file)
new mode 100755 (executable)
index 5790696..9532e42
--- a/edit.php
+++ b/edit.php
@@ -5,14 +5,20 @@ function abort($status, $body) {
        exit;
 }
 
+require 'auth.inc.php';
+if (!$editable)
+       abort('401 unauthorised', "geen beheersrechten");
+
 if (!$_POST)
        abort('405 post error', "niets te doen");
 if (!isset($_SERVER['PATH_INFO']) or strlen($_SERVER['PATH_INFO']) <= 1)
        abort('409 input error', "geen bestand aangeleverd");
 
-$filename = preg_replace('/(?:\.html)?$/', '.html', ltrim($_SERVER['PATH_INFO'], '/'), 1);
+$filename = preg_replace('/(?:\.php)?$/', '.php', ltrim($_SERVER['PATH_INFO'], '/'), 1);
 if (file_exists($filename) and !is_writable($filename))
        abort('403 input error', "ongeldige bestandsnaam: $filename");
+if (is_executable($filename))
+       abort('403 input error', "onwijzigbaar bestand: $filename");
 
 if (!isset($_POST['body']))
        abort('409 input error', "geen inhoud aangeleverd");
@@ -27,8 +33,9 @@ if (!strlen($upload)) {
        exit;
 }
 
-$prepend = '<!--#include virtual="/head.inc.html" -->'."\n\n";
-$append  = "\n".'<!--#include virtual="/foot.inc.html" -->'."\n";
+$rootpath = str_repeat('../', substr_count($filename, '/'));
+$prepend = "<?php include '${rootpath}head.inc.php'; ?>\n\n";
+$append  = "\n";
 
 if (!file_put_contents($filename, $prepend . $upload . $append))
        abort('500 save error', "fout bij schrijven van $filename");