From b5bd835cd57d528a62b29221b990f3f95c2a34cf Mon Sep 17 00:00:00 2001
From: Pavel Korotkov <pkorotkov@gmail.com>
Date: Tue, 21 Jul 2020 13:21:03 +0300
Subject: [PATCH] Add error checking while creating auth center

---
 auth/center.go           | 14 ++++++++++----
 cmd/gate/app-settings.go |  5 ++++-
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/auth/center.go b/auth/center.go
index 83bfc6f4..5400ec46 100644
--- a/auth/center.go
+++ b/auth/center.go
@@ -45,15 +45,21 @@ type Center struct {
 }
 
 // NewCenter creates an instance of AuthCenter.
-func NewCenter(log *zap.Logger) *Center {
-	zstdEncoder, _ := zstd.NewWriter(nil)
-	zstdDecoder, _ := zstd.NewReader(nil)
+func NewCenter(log *zap.Logger) (*Center, error) {
+	zstdEncoder, err := zstd.NewWriter(nil)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to create zstd encoder")
+	}
+	zstdDecoder, err := zstd.NewReader(nil)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to create zstd decoder")
+	}
 	return &Center{
 		log:         log,
 		submatcher:  &regexpSubmatcher{re: authorizationFieldRegexp},
 		zstdEncoder: zstdEncoder,
 		zstdDecoder: zstdDecoder,
-	}
+	}, nil
 }
 
 func (center *Center) SetNeoFSKeys(key *ecdsa.PrivateKey) error {
diff --git a/cmd/gate/app-settings.go b/cmd/gate/app-settings.go
index 5461f512..323338f7 100644
--- a/cmd/gate/app-settings.go
+++ b/cmd/gate/app-settings.go
@@ -110,7 +110,10 @@ func fetchAuthCenter(l *zap.Logger, v *viper.Viper) (*auth.Center, error) {
 	if err != nil {
 		return nil, errors.Wrap(err, "could not load UserAuth private key")
 	}
-	center := auth.NewCenter(l)
+	center, err := auth.NewCenter(l)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to create auth center")
+	}
 	center.SetUserAuthKeys(userAuthPrivateKey)
 	center.SetNeoFSKeys(neofsPrivateKey)
 	return center, nil