keys fix

Author: pbergman

src/DockerToken/Application.php

@@ -197,18 +197,25 @@ public function getLogger(){
      */
     public function getKid()
     {
-        return implode(':', array_slice(str_split(rtrim(Base32::encode(hash('sha256', $this->getPrivateKey(true), true)), '='), 4), 0, 12));
+        return implode(':', array_slice(str_split(rtrim(Base32::encode(hash('sha256', $this->getPublicKey(true), true)), '='), 4), 0, 12));
     }
 
     /**
-     * open/decode the private key file
-     *
-     * @param   bool|false $decode
+     * open/decode the public key file
+     */
+    protected function getPublicKey($decode = false)
+    {
+        return $this->openKey($this['options']['public_key'], $decode);
+    }
+
+    /**
+     * @param   string        $key
+     * @param   bool|false    $decode
      * @return  string
      */
-    protected function getPrivateKey($decode = false)
+    protected function openKey($key, $decode = false)
     {
-        $data = file_get_contents($this['options']['private_key']);
+        $data = file_get_contents($key);
         if ($decode) {
             preg_match(self::PEM_PREG, $data, $m);
             return base64_decode(preg_replace('/\n|\r/', '',  $m['DATA']));
@@ -217,4 +224,15 @@ protected function getPrivateKey($decode = false)
         }
     }
 
+    /**
+     * open/decode the private key file
+     *
+     * @param   bool|false $decode
+     * @return  string
+     */
+    protected function getPrivateKey($decode = false)
+    {
+        return $this->openKey($this['options']['private_key'], $decode);
+    }
+
 }