Fix postgres bugs

app/Http/Controllers/Auth/RegisterController.php

@@ -53,6 +53,10 @@ class RegisterController extends Controller
      */
     protected function validator(array $data)
     {
+        if(config('database.default') == 'pgsql') {
+            $data['username'] = strtolower($data['username']);
+        }
+
         $this->validateUsername($data['username']);
         $this->validateEmail($data['email']);
 
@@ -105,6 +109,10 @@ class RegisterController extends Controller
      */
     protected function create(array $data)
     {
+        if(config('database.default') == 'pgsql') {
+            $data['username'] = strtolower($data['username']);
+        }
+        
         return User::create([
             'name'     => $data['name'],
             'username' => $data['username'],

app/Http/Controllers/ProfileController.php

@@ -22,6 +22,10 @@ class ProfileController extends Controller
 {
     public function show(Request $request, $username)
     {
+        if(config('database.default') == 'pgsql') {
+            $username = strtolower($username);
+        }
+        
         $user = Profile::whereNull('domain')
             ->whereNull('status')
             ->whereUsername($username)

app/Util/ActivityPub/Helpers.php

@@ -412,14 +412,14 @@ class Helpers {
 		$profile = Profile::whereRemoteUrl($res['id'])->first();
 		if(!$profile) {
 			$profile = new Profile();
-			$profile->domain = $domain;
-			$profile->username = (string) Purify::clean($remoteUsername);
+			$profile->domain = strtolower($domain);
+			$profile->username = strtolower(Purify::clean($remoteUsername));
 			$profile->name = isset($res['name']) ? Purify::clean($res['name']) : 'user';
 			$profile->bio = isset($res['summary']) ? Purify::clean($res['summary']) : null;
 			$profile->sharedInbox = isset($res['endpoints']) && isset($res['endpoints']['sharedInbox']) ? $res['endpoints']['sharedInbox'] : null;
-			$profile->inbox_url = $res['inbox'];
-			$profile->outbox_url = $res['outbox'];
-			$profile->remote_url = $res['id'];
+			$profile->inbox_url = strtolower($res['inbox']);
+			$profile->outbox_url = strtolower($res['outbox']);
+			$profile->remote_url = strtolower($res['id']);
 			$profile->public_key = $res['publicKey']['publicKeyPem'];
 			$profile->key_id = $res['publicKey']['id'];
 			$profile->save();