Ease sharing keys

Services/KeyLoader/KeyDumperInterface.php

@@ -3,16 +3,12 @@
 namespace Lexik\Bundle\JWTAuthenticationBundle\Services\KeyLoader;
 
 /**
- * Interface for classes that are able to load crypto keys.
- *
  * @author Robin Chalas <[email protected]>
  */
 interface KeyDumperInterface
 {
     /**
-     * Dumps a key as sharable s
-     *
-     * @param resource|string
+     * Dumps a key to be shared between parties.
      *
      * @return resource|string
      */

Services/KeyLoader/OpenSSLKeyLoader.php

@@ -7,7 +7,7 @@
  *
  * @author Robin Chalas <[email protected]>
  */
-class OpenSSLKeyLoader extends AbstractKeyLoader
+class OpenSSLKeyLoader extends AbstractKeyLoader implements KeyDumperInterface
 {
     /**
      * {@inheritdoc}
@@ -32,4 +32,18 @@ public function loadKey($type)
 
         return $key;
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function dumpKey()
+    {
+        $key = openssl_pkey_get_details($this->loadKey('public'));
+
+        if (!isset($key['key'])) {
+            return;
+        }
+
+        return $key['key'];
+    }
 }

Services/KeyLoader/RawKeyLoader.php

@@ -7,7 +7,7 @@
  *
  * @author Robin Chalas <[email protected]>
  */
-class RawKeyLoader extends AbstractKeyLoader
+class RawKeyLoader extends AbstractKeyLoader implements KeyDumperInterface
 {
     /**
      * @param string $type
@@ -20,4 +20,12 @@ public function loadKey($type)
     {
         return file_get_contents($this->getKeyPath($type));
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function dumpKey()
+    {
+        return $this->loadKey('public');
+    }
 }