FILEUP

F diff --git a/loggedin.js b/loggedin.js
--- a/loggedin.js
+++ b/loggedin.js
  }
  
  function rename_file(filename) {
-     var file_full_path = path_combine(get_path(), filename);
- 
      var new_name = prompt(`Rename ${filename} to`, filename);
      if (!new_name)
          return;
  
      var data = new FormData();
-     data.append('path', file_full_path);
-     data.append('new_name', new_name);
+     data.append('folder', get_path());
+     data.append('old_filename', filename);
+     data.append('new_filename', new_name);
  
      var xhr = new XMLHttpRequest();
      xhr.open('POST', '/php/rename.php', true);
F diff --git a/php/rename.php b/php/rename.php
new file mode 100644
--- /dev/null
+++ b/php/rename.php
+ <?php 
+ require_once "database.php";
+ require_once "configuration.php";
+ require_once "file_type_recogniser.php";
+ require_once "node.php";
+ require_once "misc.php";
+ 
+ session_start();
+ 
+ if (!isset($_POST['folder']) || !isset($_POST['old_filename']) || !isset($_POST['new_filename'])) {
+ 	error_log("bad /php/move.php call");
+ 	http_response_code(400);
+ 	exit(1);
+ }
+ 
+ $folder         = $_POST["folder"];
+ $old_filename   = $_POST["old_filename"];
+ $new_filename   = $_POST["new_filename"];
+ $user           = $_SESSION['user_object'];
+ $homedir        = $user->home_directory;
+ 
+ $dir = get_directory($folder, $user);
+ if (!$dir) {
+     error_log("/php/rename.php invalid directory");
+ 	http_response_code(409);
+     exit(0);
+ }
+  
+ // Check if the new filename is taken in the new dir
+ $contents_of_dir = $database->get_links_of($dir);
+ foreach ($contents_of_dir as $c) {
+     if ($c['name'] == $new_filename) {
+         error_log("/php/rename.php failed - filename $filename taken in $new_folder");
+         http_response_code(409);
+         exit(0);
+     }
+ }
+ 
+ // Get the file node
+ $file_node = null;
+ $contents_of_old_dir = $database->get_links_of($dir);
+ foreach ($contents_of_old_dir as $c) {
+     if ($c['name'] == $old_filename) {
+         $file_node = $c['id'];
+         break;
+     }
+ }
+ 
+ if ($file_node == null) {
+     error_log("/php/rename.php failed - file $old_folder/$filename doesn't exist");
+     http_response_code(409);
+     exit(0);
+ }
+ 
+ // Update the node_link
+ $move = $database->pdo->prepare("
+     UPDATE node_links
+     SET    name         = :new_filename
+     WHERE  directory_id = :dir
+     AND    node_id      = :file_node
+     AND    name         = :old_filename
+ ");
+ 
+ $move->bindParam(':dir',           $dir);
+ $move->bindParam(':file_node',     $file_node);
+ $move->bindParam(':old_filename',  $old_filename);
+ $move->bindParam(':new_filename',  $new_filename);
+ 
+ if(!$move->execute()) {
+     error_log("extremely sad shit");
+     http_response_code(409);
+     exit(0);
+ }
+ 
+ ?>