fix(settings): use qdm12/gosettings env.Get

internal/configuration/sources/secrets/helpers.go

@@ -2,26 +2,15 @@ package secrets
 
 import (
 	"fmt"
-	"os"
-	"strings"
 
 	"github.com/qdm12/gluetun/internal/configuration/sources/files"
 	"github.com/qdm12/gluetun/internal/openvpn/extract"
+	"github.com/qdm12/gosettings/sources/env"
 )
 
-// getCleanedEnv returns an environment variable value with
-// surrounding spaces and trailing new line characters removed.
-func getCleanedEnv(envKey string) (value string) {
-	value = os.Getenv(envKey)
-	value = strings.TrimSpace(value)
-	value = strings.TrimSuffix(value, "\r\n")
-	value = strings.TrimSuffix(value, "\n")
-	return value
-}
-
 func readSecretFileAsStringPtr(secretPathEnvKey, defaultSecretPath string) (
 	stringPtr *string, err error) {
-	path := getCleanedEnv(secretPathEnvKey)
+	path := env.Get(secretPathEnvKey)
 	if path == "" {
 		path = defaultSecretPath
 	}