diff --git a/src/Composer/Manager.php b/src/Composer/Manager.php
index 79fc054a8..27ceb14aa 100644
--- a/src/Composer/Manager.php
+++ b/src/Composer/Manager.php
@@ -260,6 +260,22 @@ public function addAuthCredentials($hostname, $username, $password, $type = null
         ]);
     }
 
+    /**
+     * getAuthCredentials returns auth credentials added to the config file
+     */
+    public function getAuthCredentials($hostname, $type = null): ?array
+    {
+        if ($type === null) {
+            $type = 'http-basic';
+        }
+
+        $authFile = $this->getAuthPath();
+
+        $config = json_decode(file_get_contents($authFile), true);
+
+        return $config[$type][$hostname] ?? null;
+    }
+
     /**
      * makeComposer returns a new instance of composer
      */