FileContent: tolerant base64 reader

base64/base64.go

@@ -0,0 +1,10 @@
+package base64
+
+import (
+	"encoding/base64"
+	"strings"
+)
+
+func Decode(s string) ([]byte, error) {
+	return base64.RawStdEncoding.DecodeString(strings.TrimRight(s, "="))
+}

config/config.go

@@ -1,7 +1,6 @@
 package config
 
 import (
-	"encoding/base64"
 	"fmt"
 	"io"
 	"net"
@@ -9,6 +8,8 @@ import (
 	"time"
 
 	yaml "gopkg.in/yaml.v2"
+
+	"novit.tech/direktil/pkg/base64"
 )
 
 // Load a config from a file.
@@ -161,7 +162,7 @@ func (c *Config) FileContent(filePath string) []byte {
 	for _, f := range c.Files {
 		if f.Path == filePath {
 			if f.Content64 != "" {
-				decoded, err := base64.StdEncoding.DecodeString(f.Content64)
+				decoded, err := base64.Decode(f.Content64)
 				if err != nil {
 					panic(fmt.Errorf("invalid base64 content in file %s", f.Path))
 				}