1 files changed, 55 insertions, 0 deletions
diff --git a/internal/configuration/helpers.go b/internal/configuration/helpers.go
new file mode 100644
index 000000000..6301e4ddf
--- /dev/null
+++ b/internal/configuration/helpers.go
@@ -0,0 +1,55 @@
+package configuration
+
+import (
+	"io/ioutil"
+	"strings"
+
+	"github.com/authelia/authelia/internal/utils"
+)
+
+func getEnvConfigMap(keys []string, prefix, delimiter string) (keyMap map[string]string, ignoredKeys []string) {
+	keyMap = make(map[string]string)
+
+	for _, key := range keys {
+		if strings.Contains(key, delimiter) {
+			originalKey := prefix + strings.ToUpper(strings.ReplaceAll(key, constDelimiter, delimiter))
+			keyMap[originalKey] = key
+		}
+
+		// Secret envs should be ignored by the env parser.
+		if isSecretKey(key) {
+			originalKey := strings.ToUpper(strings.ReplaceAll(key, constDelimiter, delimiter)) + constSecretSuffix
+
+			ignoredKeys = append(ignoredKeys, prefix+originalKey)
+		}
+	}
+
+	return keyMap, ignoredKeys
+}
+
+func getSecretConfigMap(keys []string, prefix, delimiter string) (keyMap map[string]string) {
+	keyMap = make(map[string]string)
+
+	for _, key := range keys {
+		if isSecretKey(key) {
+			originalKey := strings.ToUpper(strings.ReplaceAll(key, constDelimiter, delimiter)) + constSecretSuffix
+
+			keyMap[prefix+originalKey] = key
+		}
+	}
+
+	return keyMap
+}
+
+func isSecretKey(key string) (isSecretKey bool) {
+	return utils.IsStringInSliceSuffix(key, secretSuffixes)
+}
+
+func loadSecret(path string) (value string, err error) {
+	content, err := ioutil.ReadFile(path)
+	if err != nil {
+		return "", err
+	}
+
+	return strings.TrimRight(string(content), "\n"), err
+}