Password policy (#82268)

* add password service interface

* add password service implementation

* add tests for password service

* add password service wiring

* add feature toggle

* Rework from service interface to static function

* Replace previous password validations

* Add codeowners to password service

* add error logs

* update config files


---------

Co-authored-by: Karl Persson <kalle.persson@grafana.com>

pkg/services/sqlstore/sqlstore.go

@@ -226,7 +226,7 @@ func (ss *SQLStore) ensureMainOrgAndAdminUser(test bool) error {
 			if _, err := ss.createUser(ctx, sess, user.CreateUserCommand{
 				Login:    ss.Cfg.AdminUser,
 				Email:    ss.Cfg.AdminEmail,
-				Password: ss.Cfg.AdminPassword,
+				Password: user.Password(ss.Cfg.AdminPassword),
 				IsAdmin:  true,
 			}); err != nil {
 				return fmt.Errorf("failed to create admin user: %s", err)

pkg/services/sqlstore/user.go

@@ -88,11 +88,11 @@ func (ss *SQLStore) createUser(ctx context.Context, sess *DBSession, args user.C
 	usr.Rands = rands
 
 	if len(args.Password) > 0 {
-		encodedPassword, err := util.EncodePassword(args.Password, usr.Salt)
+		encodedPassword, err := util.EncodePassword(string(args.Password), usr.Salt)
 		if err != nil {
 			return usr, err
 		}
-		usr.Password = encodedPassword
+		usr.Password = user.Password(encodedPassword)
 	}
 
 	sess.UseBool("is_admin")