Added support for private repos

Author: chris-l

restic-index.php

@@ -2,8 +2,10 @@
 
 require("restic-server.php");
 date_default_timezone_set('UTC');
-$basePath = "restic";
-$restic = Restic::Instance($basePath);
+$restic = Restic::Instance(Array(
+    "path" => "restic",
+    "private_repos" => false
+));
 
 function page_404() {
     $restic = Restic::Instance();
@@ -24,8 +26,16 @@ function route($method, $path, $fn) {
     $path = "/^" . str_replace("/", "\/", $path) . "$/";
     $path = preg_replace("/\([^\)]*\)/", "([^\/]+)", $path);
     $apply = preg_match($path, $uri[0], $matches);
+    $first = (sizeof($matches) < 2)
+        ? null
+        : $matches[1];
 
     if ($_SERVER["REQUEST_METHOD"] == $method && $apply == 1) {
+        if ($restic->private_repos && !(isset($_SERVER["PHP_AUTH_USER"]) && $first == $_SERVER["PHP_AUTH_USER"])) {
+            $restic->sendStatus(401); //Unauthorized
+            header("Content-Type:");
+            exit;
+        }
         call_user_func_array(Array($restic, $fn), array_slice($matches, 1));
         exit;
     }

restic-server.php

@@ -4,19 +4,28 @@ class Restic
     public $validTypes = Array("data", "index", "keys", "locks", "snapshots", "config");
     public $mimeTypeAPIV1 = "application/vnd.x.restic.rest.v1";
     public $mimeTypeAPIV2 = "application/vnd.x.restic.rest.v2";
-    protected $block_size = 8192;
+    private $block_size = 8192;
+    private $basePath = "restic";
+    public $private_repos = false;
 
-    protected $basePath;
 
-    private function __construct($path = ".")
+    private function __construct($opts)
     {
-        $this->basePath = $path;
+        if (isset($opts["path"])) {
+            $this->basePath = $opts["path"];
+        }
+        if (isset($opts["private_repos"])) {
+            $this->private_repos = $opts["private_repos"];
+        }
+        if (isset($opts["block_size"])) {
+            $this->block_size = $opts["block_size"];
+        }
     }
-    public static function Instance($path = ".")
+    public static function Instance($opts = Array())
     {
         static $inst = null;
         if ($inst === null) {
-            $inst = new Restic($path);
+            $inst = new Restic($opts);
         }
         return $inst;
     }
@@ -29,6 +38,9 @@ public function sendStatus($status)
         case 400:
             header($_SERVER["SERVER_PROTOCOL"] . " 400 Bad Request");
             break;
+        case 401:
+            header($_SERVER["SERVER_PROTOCOL"] . " 401 Unauthorized");
+            break;
         case 403:
             header($_SERVER["SERVER_PROTOCOL"] . " 403 Forbidden");
             break;