Create api/index.php

api/index.php

@@ -0,0 +1,52 @@
+<?php
+header('Content-Type: application/json');
+header('Access-Control-Allow-Origin: *');
+header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
+header('Access-Control-Allow-Headers: Content-Type');
+
+if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
+    http_response_code(204);
+    exit;
+}
+
+// ── Parse the route from the URL ──────────────────────────────────────────────
+// Expected format: /api/register, /api/upload, /api/save etc.
+$path   = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
+$path   = rtrim($path, '/');
+$parts  = explode('/', $path);
+
+// Last segment is the route e.g. "register" from "/api/register"
+$route  = end($parts);
+
+$validRoutes = [
+    'register',
+    'upload',
+    'save',
+    'file',
+    'files',
+    'delete',
+    'stats',
+    'serve'
+];
+
+if (!in_array($route, $validRoutes)) {
+    http_response_code(404);
+    echo json_encode([
+        'error'          => 'Unknown route',
+        'available'      => array_map(fn($r) => "/api/{$r}", $validRoutes),
+        'docs'           => [
+            'POST /api/register'        => 'Create a new user site. Body: {"username":"alice"}',
+            'POST /api/upload'          => 'Upload files. Form data: username + files[]',
+            'POST /api/save'            => 'Save file from editor. Body: {"username":"alice","filepath":"index.php","content":"..."}',
+            'GET  /api/file'            => 'Get file content. Params: ?username=alice&filepath=index.php',
+            'GET  /api/files'           => 'List all files. Params: ?username=alice',
+            'POST /api/delete'          => 'Delete file or site. Body: {"username":"alice","filepath":"index.php"} or {"username":"alice","delete_all":true}',
+            'GET  /api/stats'           => 'Disk usage and user count',
+            'GET  /site/username/file'  => 'View a user site e.g. /site/alice/index.php',
+        ]
+    ]);
+    exit;
+}
+
+// ── Route to the correct file ─────────────────────────────────────────────────
+require_once __DIR__ . "/{$route}.php";