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dex.go
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dex.go
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package identity
import (
"context"
"strings"
dexstorage "github.com/dexidp/dex/storage"
ghodssyaml "github.com/ghodss/yaml"
"github.com/pkg/errors"
identitydeploy "github.com/replicatedhq/kots/pkg/identity/deploy"
dextypes "github.com/replicatedhq/kots/pkg/identity/types/dex"
kuberneteserrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
func getOIDCClient(ctx context.Context, clientset kubernetes.Interface, namespace string) (*dexstorage.Client, error) {
client, err := getKotsadmOIDCClientFromDexConfig(ctx, clientset, namespace)
if err != nil {
return nil, errors.Wrap(err, "failed to get existing oidc client from dex config")
}
if client == nil {
return nil, nil
}
if client.Secret != "" {
return client, nil
}
clientSecret, err := identitydeploy.GetClientSecret(ctx, clientset, namespace, KotsadmNamePrefix)
if err != nil {
return nil, errors.Wrap(err, "failed to get existing dex config")
}
client.Secret = clientSecret
return client, nil
}
func getKotsadmOIDCClientFromDexConfig(ctx context.Context, clientset kubernetes.Interface, namespace string) (*dexstorage.Client, error) {
existingConfig, err := getKotsadmDexConfig(ctx, clientset, namespace)
if err != nil {
return nil, errors.Wrap(err, "failed to get existing dex config")
}
if existingConfig == nil {
return nil, nil
}
for _, client := range existingConfig.StaticClients {
if client.ID == "kotsadm" && !strings.HasPrefix(client.Secret, "$") {
return &client, nil
}
}
return nil, errors.New("oidc client not found")
}
func getKotsadmDexConfig(ctx context.Context, clientset kubernetes.Interface, namespace string) (*dextypes.Config, error) {
secret, err := clientset.CoreV1().Secrets(namespace).Get(ctx, "kotsadm-dex", metav1.GetOptions{})
if err != nil {
if kuberneteserrors.IsNotFound(err) {
return nil, nil
}
return nil, errors.Wrap(err, "failed to get kotsadm-dex secret")
}
marshalledConfig := secret.Data["dexConfig.yaml"]
config := dextypes.Config{}
if err := ghodssyaml.Unmarshal(marshalledConfig, &config); err != nil {
return nil, errors.Wrap(err, "failed to unmarshal kotsadm dex config")
}
return &config, nil
}