Add matrix

app/Services/MatrixRegistrationService.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Support\Facades\Http;
+
+class MatrixRegistrationService
+{
+    public function registerUser(string $username, string $password)
+    {
+        $server = config('services.matrix.server');
+        $secret = config('services.matrix.shared_secret');
+
+        // Get nonce from Synapse
+        $nonceResponse = Http::get("$server/_synapse/admin/v1/register");
+
+        if (!$nonceResponse->ok()) {
+            throw new \Exception("Could not fetch nonce from Matrix.");
+        }
+
+        $nonce = $nonceResponse->json()['nonce'];
+
+        // Generate MAC
+        $mac = hash_hmac(
+            'sha1',
+            $nonce . "\0" .
+            $username . "\0" .
+            $password . "\0" .
+            "notadmin",
+            $secret
+        );
+
+        // Send registration request
+        $response = Http::post("$server/_synapse/admin/v1/register", [
+            'nonce' => $nonce,
+            'username' => $username,
+            'password' => $password,
+            'admin' => false,
+            'mac' => $mac,
+        ]);
+
+        if ($response->failed()) {
+            $error = $response->json()['error'] ?? $response->body();
+            throw new \Exception($error);
+        }
+
+        return $response->json();
+    }
+}