Files
kubesphere/pkg/models/auth/oauth.go
2022-05-09 17:11:04 +08:00

103 lines
3.2 KiB
Go

/*
Copyright 2021 The KubeSphere Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package auth
import (
"context"
"net/http"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
kubesphere "kubesphere.io/kubesphere/pkg/client/clientset/versioned"
"kubesphere.io/kubesphere/pkg/apiserver/authentication"
"k8s.io/apimachinery/pkg/api/errors"
authuser "k8s.io/apiserver/pkg/authentication/user"
"k8s.io/klog"
iamv1alpha2 "kubesphere.io/api/iam/v1alpha2"
"kubesphere.io/kubesphere/pkg/apiserver/authentication/identityprovider"
"kubesphere.io/kubesphere/pkg/apiserver/authentication/oauth"
iamv1alpha2listers "kubesphere.io/kubesphere/pkg/client/listers/iam/v1alpha2"
)
type oauthAuthenticator struct {
ksClient kubesphere.Interface
userGetter *userGetter
options *authentication.Options
}
func NewOAuthAuthenticator(ksClient kubesphere.Interface,
userLister iamv1alpha2listers.UserLister,
options *authentication.Options) OAuthAuthenticator {
authenticator := &oauthAuthenticator{
ksClient: ksClient,
userGetter: &userGetter{userLister: userLister},
options: options,
}
return authenticator
}
func (o *oauthAuthenticator) Authenticate(_ context.Context, provider string, req *http.Request) (authuser.Info, string, error) {
providerOptions, err := o.options.OAuthOptions.IdentityProviderOptions(provider)
// identity provider not registered
if err != nil {
klog.Error(err)
return nil, "", err
}
oauthIdentityProvider, err := identityprovider.GetOAuthProvider(providerOptions.Name)
if err != nil {
klog.Error(err)
return nil, "", err
}
authenticated, err := oauthIdentityProvider.IdentityExchangeCallback(req)
if err != nil {
klog.Error(err)
return nil, "", err
}
user, err := o.userGetter.findMappedUser(providerOptions.Name, authenticated.GetUserID())
if user == nil && providerOptions.MappingMethod == oauth.MappingMethodLookup {
klog.Error(err)
return nil, "", err
}
// the user will automatically create and mapping when login successful.
if user == nil && providerOptions.MappingMethod == oauth.MappingMethodAuto {
if !providerOptions.DisableLoginConfirmation {
return preRegistrationUser(providerOptions.Name, authenticated), providerOptions.Name, nil
}
user, err = o.ksClient.IamV1alpha2().Users().Create(context.Background(), mappedUser(providerOptions.Name, authenticated), metav1.CreateOptions{})
if err != nil {
return nil, providerOptions.Name, err
}
}
if user != nil {
if user.Status.State == iamv1alpha2.UserDisabled {
// state not active
return nil, "", AccountIsNotActiveError
}
return &authuser.DefaultInfo{Name: user.GetName()}, providerOptions.Name, nil
}
return nil, "", errors.NewNotFound(iamv1alpha2.Resource("user"), authenticated.GetUsername())
}