/
identityresponse.go
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/
identityresponse.go
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// Copyright 2019-2024 The Liqo 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 (
"encoding/base64"
"fmt"
"k8s.io/klog/v2"
responsetypes "github.com/liqotech/liqo/pkg/identityManager/responseTypes"
"github.com/liqotech/liqo/pkg/utils/apiserver"
)
// AWSIdentityInfo contains the information required by a cluster to get a valied IAM-based identity.
type AWSIdentityInfo struct {
AccessKeyID string `json:"accessKeyID"`
SecretAccessKey string `json:"secretAccessKey"`
Region string `json:"region"`
EKSClusterID string `json:"eksClusterID"`
IAMUserArn string `json:"iamUserArn"`
}
// CertificateIdentityResponse is the response on a certificate identity request.
type CertificateIdentityResponse struct {
Namespace string `json:"namespace"`
Certificate string `json:"certificate,omitempty"`
APIServerURL string `json:"apiServerUrl"`
APIServerCA string `json:"apiServerCA,omitempty"`
AWSIdentityInfo AWSIdentityInfo `json:"aws,omitempty"`
}
// HasAWSValues checks if the response has all the required AWS fields set.
func (resp *CertificateIdentityResponse) HasAWSValues() bool {
credentials := resp.AWSIdentityInfo.AccessKeyID != "" && resp.AWSIdentityInfo.SecretAccessKey != ""
region := resp.AWSIdentityInfo.Region != ""
cluster := resp.AWSIdentityInfo.EKSClusterID != ""
userArn := resp.AWSIdentityInfo.IAMUserArn != ""
return credentials && region && cluster && userArn
}
// NewCertificateIdentityResponse makes a new CertificateIdentityResponse.
func NewCertificateIdentityResponse(
namespace string, identityResponse *responsetypes.SigningRequestResponse,
apiServerConfig apiserver.Config) (*CertificateIdentityResponse, error) {
responseType := identityResponse.ResponseType
switch responseType {
case responsetypes.SigningRequestResponseCertificate:
return &CertificateIdentityResponse{
Namespace: namespace,
Certificate: base64.StdEncoding.EncodeToString(identityResponse.Certificate),
APIServerURL: apiServerConfig.Address,
APIServerCA: apiServerConfig.CA,
}, nil
case responsetypes.SigningRequestResponseIAM:
return &CertificateIdentityResponse{
Namespace: namespace,
APIServerURL: *identityResponse.AwsIdentityResponse.EksCluster.Endpoint,
APIServerCA: *identityResponse.AwsIdentityResponse.EksCluster.CertificateAuthority.Data,
AWSIdentityInfo: AWSIdentityInfo{
EKSClusterID: *identityResponse.AwsIdentityResponse.EksCluster.Name,
AccessKeyID: *identityResponse.AwsIdentityResponse.AccessKey.AccessKeyId,
SecretAccessKey: *identityResponse.AwsIdentityResponse.AccessKey.SecretAccessKey,
Region: identityResponse.AwsIdentityResponse.Region,
IAMUserArn: identityResponse.AwsIdentityResponse.IamUserArn,
},
}, nil
default:
err := fmt.Errorf("unknown response type %v", responseType)
klog.Error(err)
return nil, err
}
}