From a64944c1ffb24608a31adcf9d696cd1dd570c7f4 Mon Sep 17 00:00:00 2001
From: Joel Wurtz <jwurtz@jolicode.com>
Date: Mon, 9 Jul 2018 11:50:13 +0200
Subject: [PATCH] Filtered Stream is not seekable

---
 src/Encoding/FilteredStream.php | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/Encoding/FilteredStream.php b/src/Encoding/FilteredStream.php
index 4b296ed..ffe76d7 100644
--- a/src/Encoding/FilteredStream.php
+++ b/src/Encoding/FilteredStream.php
@@ -154,6 +154,30 @@ public function __toString()
         return $this->getContents();
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function isSeekable()
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rewind()
+    {
+        throw new \RuntimeException('Cannot rewind a filtered stream');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function seek($offset, $whence = SEEK_SET)
+    {
+        throw new \RuntimeException('Cannot seek a filtered stream');
+    }
+
     /**
      * Returns the read filter name.
      *