From 3eb5a943550842f4614d6873a7acbf63b82a0651 Mon Sep 17 00:00:00 2001
From: Mike Crute <mike@crute.us>
Date: Thu, 4 Aug 2022 17:57:39 -0700
Subject: Support zlib compression

---
 inform/codec.go | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/inform/codec.go b/inform/codec.go
index 8147986..ac49aa1 100644
--- a/inform/codec.go
+++ b/inform/codec.go
@@ -2,6 +2,7 @@ package inform
 
 import (
 	"bytes"
+	"compress/zlib"
 	"encoding/binary"
 	"errors"
 	"io"
@@ -56,7 +57,18 @@ func (c *Codec) Unmarshal(fp io.Reader) (*InformWrapper, error) {
 			return nil, err
 		}
 	} else if w.IsZlibCompressed() {
-		return nil, errors.New("payload is zlib compressed, not supported")
+		rb := bytes.NewReader(u)
+		wb := &bytes.Buffer{}
+
+		r, err := zlib.NewReader(rb)
+		if err != nil {
+			return nil, err
+		}
+
+		io.Copy(wb, r)
+		r.Close()
+
+		w.Payload = wb.Bytes()
 	} else {
 		w.Payload = u
 	}
-- 
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