mirror of https://github.com/k3s-io/k3s
63 lines
2.0 KiB
Go
63 lines
2.0 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package keystone
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import (
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"errors"
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"strings"
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"github.com/golang/glog"
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"github.com/rackspace/gophercloud"
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"github.com/rackspace/gophercloud/openstack"
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"k8s.io/kubernetes/pkg/auth/user"
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)
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// KeystoneAuthenticator contacts openstack keystone to validate user's credentials passed in the request.
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// The keystone endpoint is passed during apiserver startup
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type KeystoneAuthenticator struct {
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authURL string
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}
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// AuthenticatePassword checks the username, password via keystone call
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func (keystoneAuthenticator *KeystoneAuthenticator) AuthenticatePassword(username string, password string) (user.Info, bool, error) {
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opts := gophercloud.AuthOptions{
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IdentityEndpoint: keystoneAuthenticator.authURL,
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Username: username,
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Password: password,
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}
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_, err := openstack.AuthenticatedClient(opts)
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if err != nil {
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glog.Info("Failed: Starting openstack authenticate client")
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return nil, false, errors.New("Failed to authenticate")
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}
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return &user.DefaultInfo{Name: username}, true, nil
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}
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// NewKeystoneAuthenticator returns a password authenticator that validates credentials using openstack keystone
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func NewKeystoneAuthenticator(authURL string) (*KeystoneAuthenticator, error) {
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if !strings.HasPrefix(authURL, "https") {
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return nil, errors.New("Auth URL should be secure and start with https")
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}
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if authURL == "" {
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return nil, errors.New("Auth URL is empty")
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}
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return &KeystoneAuthenticator{authURL}, nil
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}
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