ContainerImage.Pinniped/test/integration/client_test.go

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// Copyright 2020 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package integration
import (
"context"
"strings"
"testing"
"time"
"github.com/stretchr/testify/require"
corev1 "k8s.io/api/core/v1"
idpv1alpha1 "go.pinniped.dev/generated/1.19/apis/idp/v1alpha1"
"go.pinniped.dev/internal/client"
"go.pinniped.dev/internal/here"
"go.pinniped.dev/test/library"
)
// Test certificate and private key that should get an authentication error. Generated with cfssl [1], like this:
//
// $ brew install cfssl
// $ cfssl print-defaults csr | cfssl genkey -initca - | cfssljson -bare ca
// $ cfssl print-defaults csr | cfssl gencert -ca ca.pem -ca-key ca-key.pem -hostname=testuser - | cfssljson -bare client
// $ cat client.pem client-key.pem
//
// [1]: https://github.com/cloudflare/cfssl
var (
testCert = here.Doc(`
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`)
testKey = maskKey(here.Doc(`
-----BEGIN EC TESTING KEY-----
MHcCAQEEIAqkBGGKTH5GzLx8XZLAHEFW2E8jT+jpy0p6w6MMR7DkoAoGCCqGSM49
AwEHoUQDQgAEZO1wQvjo2Jq1zoZu0WiYh1uEOVbBPojFfdAc6u2p7KgIW9OESOt2
O2D8LtWhMbrYy755Fgq4H9s3vCgfvHY1AQ==
-----END EC TESTING KEY-----
`))
)
var maskKey = func(s string) string { return strings.ReplaceAll(s, "TESTING KEY", "PRIVATE KEY") }
func TestClient(t *testing.T) {
library.SkipUnlessIntegration(t)
library.SkipUnlessClusterHasCapability(t, library.ClusterSigningKeyIsAvailable)
token := library.GetEnv(t, "PINNIPED_TEST_USER_TOKEN")
namespace := library.GetEnv(t, "PINNIPED_NAMESPACE")
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
// Use an invalid certificate/key to validate that the ServerVersion API fails like we assume.
invalidClient := library.NewClientsetWithCertAndKey(t, testCert, testKey)
_, err := invalidClient.Discovery().ServerVersion()
require.EqualError(t, err, "the server has asked for the client to provide credentials")
// Using the CA bundle and host from the current (admin) kubeconfig, do the token exchange.
clientConfig := library.NewClientConfig(t)
idp := corev1.TypedLocalObjectReference{
APIGroup: &idpv1alpha1.SchemeGroupVersion.Group,
Kind: "WebhookIdentityProvider",
Name: "pinniped-webhook",
}
resp, err := client.ExchangeToken(ctx, namespace, idp, token, string(clientConfig.CAData), clientConfig.Host)
require.NoError(t, err)
require.NotNil(t, resp.Status.ExpirationTimestamp)
require.InDelta(t, time.Until(resp.Status.ExpirationTimestamp.Time), 1*time.Hour, float64(3*time.Minute))
// Create a client using the certificate and key returned by the token exchange.
validClient := library.NewClientsetWithCertAndKey(t, resp.Status.ClientCertificateData, resp.Status.ClientKeyData)
// Make a version request, which should succeed even without any authorization.
_, err = validClient.Discovery().ServerVersion()
require.NoError(t, err)
}