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state.go
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state.go
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package client
import (
"context"
"sync"
"time"
"github.com/pkg/errors"
identitydeploy "github.com/replicatedhq/kots/pkg/identity/deploy"
"github.com/replicatedhq/kots/pkg/k8sutil"
kotsadmtypes "github.com/replicatedhq/kots/pkg/kotsadm/types"
corev1 "k8s.io/api/core/v1"
kuberneteserrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
const OIDCStateSecretName = "kotsadm-dex-state"
var stateMtx sync.Mutex
func SetOIDCState(ctx context.Context, namespace string, state string) error {
stateMtx.Lock()
defer stateMtx.Unlock()
secret := stateSecretResource(OIDCStateSecretName, state)
clientset, err := k8sutil.GetClientset()
if err != nil {
return errors.Wrap(err, "failed to get k8s client set")
}
existingSecret, err := clientset.CoreV1().Secrets(namespace).Get(ctx, secret.Name, metav1.GetOptions{})
if err != nil {
if !kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "failed to get existing oidc state secret")
}
_, err = clientset.CoreV1().Secrets(namespace).Create(ctx, secret, metav1.CreateOptions{})
if err != nil {
return errors.Wrap(err, "failed to create oidc state secret")
}
return nil
}
existingSecret = updateStateSecret(existingSecret, secret)
_, err = clientset.CoreV1().Secrets(namespace).Update(ctx, existingSecret, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update oidc state secret")
}
return nil
}
func GetOIDCState(ctx context.Context, namespace string, state string) (string, error) {
clientset, err := k8sutil.GetClientset()
if err != nil {
return "", errors.Wrap(err, "failed to get k8s client set")
}
secret, err := clientset.CoreV1().Secrets(namespace).Get(ctx, OIDCStateSecretName, metav1.GetOptions{})
if err != nil {
return "", errors.Wrap(err, "failed to get oidc state secret")
}
return string(secret.Data[state]), nil
}
func ResetOIDCState(ctx context.Context, namespace string, state string) error {
stateMtx.Lock()
defer stateMtx.Unlock()
clientset, err := k8sutil.GetClientset()
if err != nil {
return errors.Wrap(err, "failed to get k8s client set")
}
secret, err := clientset.CoreV1().Secrets(namespace).Get(ctx, OIDCStateSecretName, metav1.GetOptions{})
if err != nil {
return errors.Wrap(err, "failed to get oidc state secret")
}
delete(secret.Data, state)
_, err = clientset.CoreV1().Secrets(namespace).Update(ctx, secret, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update oidc state secret")
}
return nil
}
func stateSecretResource(secretName, state string) *corev1.Secret {
return &corev1.Secret{
TypeMeta: metav1.TypeMeta{
APIVersion: "v1",
Kind: "Secret",
},
ObjectMeta: metav1.ObjectMeta{
Name: secretName,
Labels: kotsadmtypes.GetKotsadmLabels(identitydeploy.AdditionalLabels("kotsadm", nil)),
},
Data: map[string][]byte{
state: []byte(time.Now().UTC().Format(time.RFC3339)),
},
}
}
func updateStateSecret(existingSecret, desiredSecret *corev1.Secret) *corev1.Secret {
existingSecret.Data = mergeMaps(existingSecret.Data, desiredSecret.Data)
expireOldOIDCStates(existingSecret)
return existingSecret
}
func expireOldOIDCStates(secret *corev1.Secret) error {
for s, t := range secret.Data {
stateTime, err := time.Parse(time.RFC3339, string(t))
if err != nil {
return errors.Wrap(err, "failed to parse state time")
}
ttlTime := time.Now().Add(-24 * time.Hour)
if stateTime.Before(ttlTime) {
delete(secret.Data, s)
continue
}
}
return nil
}
func mergeMaps(existing map[string][]byte, new map[string][]byte) map[string][]byte {
merged := existing
if merged == nil {
merged = make(map[string][]byte)
}
for key, value := range new {
merged[key] = value
}
return merged
}