minio/cmd/user-provider-utils.go

58 lines
1.7 KiB
Go

// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"context"
"github.com/minio/madmin-go/v3"
)
// getUserWithProvider - returns the appropriate internal username based on the user provider.
// if validate is true, an error is returned if the user does not exist.
func getUserWithProvider(ctx context.Context, userProvider, user string, validate bool) (string, error) {
switch userProvider {
case madmin.BuiltinProvider:
if validate {
if _, ok := globalIAMSys.GetUser(ctx, user); !ok {
return "", errNoSuchUser
}
}
return user, nil
case madmin.LDAPProvider:
if globalIAMSys.GetUsersSysType() != LDAPUsersSysType {
return "", errIAMActionNotAllowed
}
res, err := globalIAMSys.LDAPConfig.GetValidatedDNForUsername(user)
if res == nil {
err = errNoSuchUser
}
if err != nil {
if validate {
return "", err
}
if !globalIAMSys.LDAPConfig.ParsesAsDN(user) {
return "", errNoSuchUser
}
}
return res.NormDN, nil
default:
return "", errIAMActionNotAllowed
}
}