Ensure the ldap service uses the correct value

Fixes #927

internal/model/config.go

@@ -181,6 +181,7 @@ type LDAPConfig struct {
 	Address      	 string `description:"LDAP server address." yaml:"address"`
 	BindDN       	 string `description:"Bind DN for LDAP authentication." yaml:"bindDn"`
 	BindPassword  	 string `description:"Bind password for LDAP authentication." yaml:"bindPassword"`
+	BindPasswordFile string `description:"Path to the Bind password." yaml:"bindPasswordFile"`
 	BaseDN       	 string `description:"Base DN for LDAP searches." yaml:"baseDn"`
 	Insecure     	 bool   `description:"Allow insecure LDAP connections." yaml:"insecure"`
 	SearchFilter 	 string `description:"LDAP search filter." yaml:"searchFilter"`

internal/service/ldap_service.go

@@ -11,6 +11,7 @@ import (
 	ldapgo "github.com/go-ldap/ldap/v3"
 	"github.com/steveiliop56/ding"
 	"github.com/tinyauthapp/tinyauth/internal/model"
+	"github.com/tinyauthapp/tinyauth/internal/utils"
 	"github.com/tinyauthapp/tinyauth/internal/utils/logger"
 )
 
@@ -32,6 +33,10 @@ func NewLdapService(
 		return nil, nil
 	}
 
+	secret := utils.GetSecret(config.LDAP.BindPassword, config.LDAP.BindPasswordFile)
+	config.LDAP.BindPassword = secret
+	config.LDAP.BindPasswordFile = ""
+
 	ldap := &LdapService{
 		log:    log,
 		config: config,