Add purge for login

src/Api.php

@@ -106,6 +106,13 @@ class Api
         return $this;
     }
 
+    public function freshLogin(int $mglnr, string $password): self
+    {
+        $this->authenticator->purge();
+
+        return $this->login($mglnr, $password);
+    }
+
     public function isLoggedIn(): bool
     {
         return $this->authenticator->isLoggedIn();

src/Authentication/Authenticator.php

@@ -8,6 +8,8 @@ abstract class Authenticator
 {
     abstract public function login(int $mglnr, string $password): self;
 
+    abstract public function purge(): void;
+
     abstract public function http(): PendingRequest;
 
     abstract public function isLoggedIn(): bool;

src/Authentication/FakeCookie.php

@@ -72,6 +72,10 @@ class FakeCookie extends Authenticator
         );
     }
 
+    public function purge(): void
+    {
+    }
+
     public function refresh(): void
     {
     }

src/Authentication/MainCookie.php

@@ -47,6 +47,13 @@ class MainCookie extends Authenticator
         return $this;
     }
 
+    public function purge(): void
+    {
+        while ($this->file()) {
+            unlink($this->file());
+        }
+    }
+
     public function isLoggedIn(): bool
     {
         if (null === $this->file()) {