Initial Backupper Unraid plugin

2026-06-13 22:07:31 +02:00
commit 5352a9da22
39 changed files with 3167 additions and 0 deletions
@@ -0,0 +1,61 @@
+<?php
+declare(strict_types=1);
+
+header('Content-Type: application/json');
+
+$socket = '/run/backupper/backupper.sock';
+$method = $_SERVER['REQUEST_METHOD'] ?? 'GET';
+$path = $_GET['path'] ?? '/v1/health';
+
+if (!preg_match('#^/v1/[A-Za-z0-9_./?=&%:-]*$#', $path) || str_contains($path, '..')) {
+    http_response_code(400);
+    echo json_encode(['error' => 'invalid API path']);
+    exit;
+}
+
+if ($method !== 'GET') {
+    $provided = $_SERVER['HTTP_X_CSRF_TOKEN'] ?? '';
+    $runtime = @parse_ini_file('/var/local/emhttp/var.ini') ?: [];
+    $expected = $runtime['csrf_token'] ?? '';
+    if ($expected === '' || !hash_equals((string)$expected, (string)$provided)) {
+        http_response_code(403);
+        echo json_encode(['error' => 'invalid CSRF token']);
+        exit;
+    }
+}
+
+if (!file_exists($socket)) {
+    http_response_code(503);
+    echo json_encode(['error' => 'Backupper daemon is not running']);
+    exit;
+}
+
+$curl = curl_init();
+curl_setopt_array($curl, [
+    CURLOPT_UNIX_SOCKET_PATH => $socket,
+    CURLOPT_URL => 'http://localhost' . $path,
+    CURLOPT_CUSTOMREQUEST => $method,
+    CURLOPT_RETURNTRANSFER => true,
+    CURLOPT_CONNECTTIMEOUT => 3,
+    CURLOPT_TIMEOUT => 310,
+    CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
+]);
+
+$body = file_get_contents('php://input');
+if ($method !== 'GET' && $body !== false && $body !== '') {
+    curl_setopt($curl, CURLOPT_POSTFIELDS, $body);
+}
+
+$response = curl_exec($curl);
+$status = (int)curl_getinfo($curl, CURLINFO_RESPONSE_CODE);
+$error = curl_error($curl);
+curl_close($curl);
+
+if ($response === false) {
+    http_response_code(502);
+    echo json_encode(['error' => 'Daemon connection failed: ' . $error]);
+    exit;
+}
+
+http_response_code($status > 0 ? $status : 502);
+echo $response;