use old ddns key if available

1 files changed, 12 insertions, 3 deletions

diff --git a/html/maintenance.php b/html/maintenance.php
index 39b0724..b45b731 100644
--- a/html/maintenance.php
+++ b/html/maintenance.php
@@ -96,9 +96,18 @@ if (array_key_exists('ddns', $_GET)) {
     ' WHERE keys.comment = ' . "'" . 'ddns' . "'"
   );
   $row = $result -> fetchArray();
-  if (! $row)
-    $key_id = $db -> add_key('ddns');
-  else
+  if (! $row) {
+    unset($key);
+    if (file_exists('/srv/http/vhosts/eckner.net/ddns/colocation-token')) {
+      $key = trim(file_get_contents('/srv/http/vhosts/eckner.net/ddns/colocation-token'));
+      if (strlen($key) != 128)
+        unset($key);
+    }
+    if (isset($key))
+      $key_id = $db -> add_key('ddns', $key);
+    else
+      $key_id = $db -> add_key('ddns');
+  } else
     $key_id = $row['id'];
 
   $stm = $db -> prepare('INSERT INTO permissions (key_id, value_id) VALUES (:key_id, :value_id)');