Some changes

Jwt.php

@@ -2,18 +2,20 @@
 
 namespace numelion\jwt;
 
-use Lcobucci\JWT\Builder;
+use Lcobucci\JWT\Token\Builder;
+use Lcobucci\JWT\Token\Parser;
 use Lcobucci\JWT\Claim\Factory as ClaimFactory;
-use Lcobucci\JWT\Parser;
 use Lcobucci\JWT\Parsing\Decoder;
 use Lcobucci\JWT\Parsing\Encoder;
 use Lcobucci\JWT\Signer;
-use Lcobucci\JWT\Signer\Key;
+use Lcobucci\JWT\Signer\Key\InMemory as Key;
 use Lcobucci\JWT\Token;
 use Lcobucci\JWT\ValidationData;
 use Yii;
 use yii\base\Component;
 use yii\base\InvalidArgumentException;
+use Lcobucci\JWT\Encoding\JoseEncoder;
+use Lcobucci\JWT\Encoding\UnixTimestampDates;
 
 /**
  * JSON Web Token implementation, based on this library:
@@ -59,7 +61,7 @@ class Jwt extends Component
      */
     public function getBuilder(Encoder $encoder = null, ClaimFactory $claimFactory = null)
     {
-        return new Builder($encoder, $claimFactory);
+        return new Builder($encoder ?? new JoseEncoder(), $claimFactory ?? new UnixTimestampDates());
     }
 
     /**
@@ -98,15 +100,15 @@ public function getSigner($alg)
      * @param string|null $passphrase
      * @return Key
      */
-    public function getKey($content = null, $passphrase = null)
+    public function getKey($content = '', $passphrase = '')
     {
         $content = $content ?: $this->key;
 
         if ($content instanceof Key) {
             return $content;
         }
 
-        return new Key($content, $passphrase);
+        return Key::plainText($content, $passphrase);
     }
 
     /**

composer.json

@@ -6,8 +6,7 @@
 	"authors": [
         {
             "name": "numelion",
-            "email": "[email protected]",
-            "homepage": ""
+            "email": "[email protected]"
         }
     ],
     "license": "BSD-3-Clause",
@@ -34,5 +33,10 @@
             "type": "composer",
             "url": "https://asset-packagist.org"
         }
-    ]    
+    ],
+    "config": {
+        "allow-plugins": {
+            "yiisoft/yii2-composer": true
+        }
+    }
 }