X-Git-Url: http://git.shiar.net/minimedit.git/blobdiff_plain/a5242b5cae9f1bfaddd748c0287a6c7e6b8af75d..848f9155e138a0c13a0ecab423f165d5b4ba6d4d:/edit.php

diff --git a/edit.php b/edit.php
index 14bfde0..398581e 100644
--- a/edit.php
+++ b/edit.php
@@ -5,20 +5,24 @@ function abort($status, $body) {
 	exit;
 }
 
-$filename = $_POST['page'];
-$filename = ltrim($filename, '/');
-if (!preg_match('/^[a-z]+\.html$/', $filename))
-	abort('403 input error', "Ongeldige bestandsnaam: $filename");
+if (!$_POST)
+	abort('405 post error', "niets te doen");
+if (!isset($_POST['page']))
+	abort('409 input error', "geen bestand aangeleverd");
+
+$filename = preg_replace('/(?:\.html)?$/', '.html', ltrim($_POST['page'], '/'), 1);
+if (file_exists($filename) and !is_writable($filename))
+	abort('403 input error', "ongeldige bestandsnaam: $filename");
 
 $prepend = '<!--#include virtual="common.html" -->'."\n\n";
-$append  = "\n\n".'<!--#include virtual="footer.html" -->'."\n";
+$append  = "\n".'<!--#include virtual="footer.html" -->'."\n";
 $upload = $_POST['body'];
 
 if (!$upload)
 	abort('409 input error', "leeg bestand aangeleverd");
 
 if (!file_put_contents($filename, $prepend . $upload . $append))
-	abort('500 save error', "kon bestand niet overschrijven");
+	abort('500 save error', "fout bij schrijven van $filename");
 
 print "Bestand opgeslagen";