From 87297ade3206cda095d3a841f7330b170774c1ce Mon Sep 17 00:00:00 2001
From: Manuel de Brito Fontes <aledbf@gmail.com>
Date: Tue, 12 Apr 2016 23:19:39 -0300
Subject: [PATCH] Check for valid PEM content

---
 controllers/nginx/nginx/ssl.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/controllers/nginx/nginx/ssl.go b/controllers/nginx/nginx/ssl.go
index 65ad0608c..82d192303 100644
--- a/controllers/nginx/nginx/ssl.go
+++ b/controllers/nginx/nginx/ssl.go
@@ -53,8 +53,10 @@ func (nginx *Manager) CheckSSLCertificate(pemFileName string) ([]string, error)
 		return []string{}, err
 	}
 
-	var block *pem.Block
-	block, _ = pem.Decode(pemCerts)
+	block, _ := pem.Decode(pemCerts)
+	if block == nil {
+		return []string{}, fmt.Errorf("No valid PEM formatted block found")
+	}
 
 	cert, err := x509.ParseCertificate(block.Bytes)
 	if err != nil {