From 22a67155365b6310bf9227216b024b377b4d1ec5 Mon Sep 17 00:00:00 2001
From: Anders Pearson <anders@thraxil.org>
Date: Sun, 22 Oct 2017 11:42:29 +0100
Subject: [PATCH] fix bug with invalid APIC mimetype

Return an error if the mimetype can't be decoded rather than
panicking. See #28.
---
 id3v2frames.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/id3v2frames.go b/id3v2frames.go
index 16083a7..6b842c3 100644
--- a/id3v2frames.go
+++ b/id3v2frames.go
@@ -597,6 +597,9 @@ func readAPICFrame(b []byte) (*Picture, error) {
 	mimeType := string(mimeDataSplit[0])
 
 	b = mimeDataSplit[1]
+	if len(b) < 1 {
+		return nil, fmt.Errorf("error decoding APIC mimetype")
+	}
 	picType := b[0]
 
 	descDataSplit, err := dataSplit(b[1:], enc)