Change authentication method for API.

app/Http/Middleware/APISecretToken.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace Pterodactyl\Http\Middleware;
+
+use Pterodactyl\Models\APIKey;
+use Pterodactyl\Models\APIPermission;
+
+use Illuminate\Http\Request;
+use Dingo\Api\Routing\Route;
+use Dingo\Api\Auth\Provider\Authorization;
+
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; // 400
+use Symfony\Component\HttpKernel\Exception\UnauthorizedHttpException; // 401
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException; // 403
+
+class APISecretToken extends Authorization
+{
+
+    protected $algo = 'sha256';
+
+    protected $permissionAllowed = false;
+
+    public function __construct()
+    {
+        //
+    }
+
+    public function getAuthorizationMethod()
+    {
+        return 'Authorization';
+    }
+
+    public function authenticate(Request $request, Route $route)
+    {
+        if (!$request->bearerToken() || empty($request->bearerToken())) {
+            throw new UnauthorizedHttpException('The authentication header was missing or malformed');
+        }
+
+        list($public, $hashed) = explode('.', $request->bearerToken());
+
+        $key = APIKey::where('public', $public)->first();
+        if (!$key) {
+            throw new AccessDeniedHttpException('Invalid API Key.');
+        }
+
+        // Check for Resource Permissions
+        if (!empty($request->route()->getName())) {
+            if(!is_null($key->allowed_ips)) {
+                if (!in_array($request->ip(), json_decode($key->allowed_ips))) {
+                    throw new AccessDeniedHttpException('This IP address does not have permission to use this API key.');
+                }
+            }
+
+            foreach(APIPermission::where('key_id', $key->id)->get() as &$row) {
+                if ($row->permission === '*' || $row->permission === $request->route()->getName()) {
+                    $this->permissionAllowed = true;
+                    continue;
+                }
+            }
+
+            if (!$this->permissionAllowed) {
+                throw new AccessDeniedHttpException('You do not have permission to access this resource.');
+            }
+        }
+
+        if($this->_generateHMAC($request->fullUrl(), $request->getContent(), $key->secret) !== base64_decode($hashed)) {
+            throw new BadRequestHttpException('The hashed body was not valid. Potential modification of contents in route.');
+        }
+
+        return true;
+
+    }
+
+    protected function _generateHMAC($url, $body, $key)
+    {
+        $data = urldecode($url) . '.' . $body;
+        return hash_hmac($this->algo, $data, $key, true);
+    }
+
+}