authelia/internal/configuration/koanf_callbacks.go

51 lines
1.5 KiB
Go

package configuration
import (
"fmt"
"strings"
"github.com/authelia/authelia/internal/configuration/schema"
"github.com/authelia/authelia/internal/configuration/validator"
"github.com/authelia/authelia/internal/utils"
)
// koanfEnvironmentCallback returns a koanf callback to map the environment vars to Configuration keys.
func koanfEnvironmentCallback(keyMap map[string]string, ignoredKeys []string, prefix, delimiter string) func(key, value string) (finalKey string, finalValue interface{}) {
return func(key, value string) (finalKey string, finalValue interface{}) {
if k, ok := keyMap[key]; ok {
return k, value
}
if utils.IsStringInSlice(key, ignoredKeys) {
return "", nil
}
formattedKey := strings.TrimPrefix(key, prefix)
formattedKey = strings.ReplaceAll(strings.ToLower(formattedKey), delimiter, constDelimiter)
if utils.IsStringInSlice(formattedKey, validator.ValidKeys) {
return formattedKey, value
}
return key, value
}
}
// koanfEnvironmentSecretsCallback returns a koanf callback to map the environment vars to Configuration keys.
func koanfEnvironmentSecretsCallback(keyMap map[string]string, validator *schema.StructValidator) func(key, value string) (finalKey string, finalValue interface{}) {
return func(key, value string) (finalKey string, finalValue interface{}) {
k, ok := keyMap[key]
if !ok {
return "", nil
}
v, err := loadSecret(value)
if err != nil {
validator.Push(fmt.Errorf(errFmtSecretIOIssue, value, k, err))
return k, ""
}
return k, v
}
}