Update Module.php

Added getCertificate() method.

Author: JanSlabon

src/Module.php

@@ -264,6 +264,14 @@ public function setCertificate($certificate)
         $this->padesModule->setCertificate($certificate);
     }
 
+    /**
+     * @return \SetaPDF_Signer_X509_Certificate|string
+     */
+    public function getCertificate()
+    {
+        return $this->padesModule->getCertificate();
+    }
+
     /**
      * @param string $signatureAlgorithmOid
      */
@@ -349,7 +357,7 @@ public function getCms()
     public function createSignature(SetaPDF_Core_Reader_FilePath $tmpPath)
     {
         // ensure certificate
-        $certificate = $this->padesModule->getCertificate();
+        $certificate = $this->getCertificate();
         if ($certificate === null) {
             throw new \BadMethodCallException('Missing certificate!');
         }