docs + fixes to CustomProps

front/php/server/query_replace_config.php

@@ -0,0 +1,55 @@
+<?php
+
+// ---- IMPORTS ----
+//------------------------------------------------------------------------------
+// Check if authenticated
+require_once $_SERVER['DOCUMENT_ROOT'] . '/php/templates/security.php';
+// Get init.php 
+require dirname(__FILE__).'/../server/init.php';
+// ---- IMPORTS ----
+
+global $fullConfPath;
+
+//------------------------------------------------------------------------------
+// Handle incoming requests
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    // Access the 'config' parameter from the POST request
+    $base64Data = $_POST['config'] ?? null;
+
+    if (!$base64Data) {
+        $msg = "Missing 'config' parameter.";
+        echo $msg;
+        http_response_code(400); // Bad request
+        die($msg);
+    }
+
+    // Decode incoming base64 data
+    $input = base64_decode($base64Data, true);
+
+    if ($input === false) {
+        $msg = "Invalid base64 data.";
+        echo $msg;
+        http_response_code(400); // Bad request
+        die($msg);
+    }
+
+    // Backup the original file
+    if (file_exists($fullConfPath)) {
+        copy($fullConfPath, $fullConfPath . ".bak");
+    }
+
+    // Write the new configuration
+    $file = fopen($fullConfPath, "w");
+    if (!$file) {
+        $msg = "Unable to open file!";
+        echo $msg;
+        http_response_code(500); // Server error
+        die($msg);
+    }
+
+    fwrite($file, $input);
+    fclose($file);
+
+    echo "Configuration saved successfully.";
+}
+?>