97 lines
3.8 KiB
Go
97 lines
3.8 KiB
Go
// Copyright 2020-2021 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package integration
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import (
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"context"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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clientauthenticationv1beta1 "k8s.io/client-go/pkg/apis/clientauthentication/v1beta1"
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"go.pinniped.dev/internal/here"
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"go.pinniped.dev/pkg/conciergeclient"
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"go.pinniped.dev/test/library"
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)
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// Test certificate and private key that should get an authentication error. Generated with cfssl [1], like this:
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//
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// $ brew install cfssl
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// $ cfssl print-defaults csr | cfssl genkey -initca - | cfssljson -bare ca
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// $ cfssl print-defaults csr | cfssl gencert -ca ca.pem -ca-key ca-key.pem -hostname=testuser - | cfssljson -bare client
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// $ cat client.pem client-key.pem
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//
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// [1]: https://github.com/cloudflare/cfssl
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var (
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testCert = here.Doc(`
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-----BEGIN CERTIFICATE-----
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MIICBDCCAaugAwIBAgIUeidKWlZQuoKfBGydObI1hMwzt9cwCgYIKoZIzj0EAwIw
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SDELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAkNBMRYwFAYDVQQHEw1TYW4gRnJhbmNp
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c2NvMRQwEgYDVQQDEwtleGFtcGxlLm5ldDAeFw0yMDA3MjgxOTI3MDBaFw0yMTA3
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MjgxOTI3MDBaMEgxCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJDQTEWMBQGA1UEBxMN
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U2FuIEZyYW5jaXNjbzEUMBIGA1UEAxMLZXhhbXBsZS5uZXQwWTATBgcqhkjOPQIB
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BggqhkjOPQMBBwNCAARk7XBC+OjYmrXOhm7RaJiHW4Q5VsE+iMV90Bzq7ansqAhb
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04RI63Y7YPwu1aExutjLvnkWCrgf2ze8KB+8djUBo3MwcTAOBgNVHQ8BAf8EBAMC
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BaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAw
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HQYDVR0OBBYEFG0oZxV+LHUKfE4gQ67xfHJuGQ/4MBMGA1UdEQQMMAqCCHRlc3R1
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c2VyMAoGCCqGSM49BAMCA0cAMEQCIEwPZhPpYhYHndfTEsWOxnxzJkmhAcYIMCeJ
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d9kyq/fPAiBNCJw1MCLT8LjNlyUZCfwI2zuI3e0w6vuau89oj2zvVA==
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-----END CERTIFICATE-----
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`)
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testKey = maskKey(here.Doc(`
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-----BEGIN EC TESTING KEY-----
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MHcCAQEEIAqkBGGKTH5GzLx8XZLAHEFW2E8jT+jpy0p6w6MMR7DkoAoGCCqGSM49
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AwEHoUQDQgAEZO1wQvjo2Jq1zoZu0WiYh1uEOVbBPojFfdAc6u2p7KgIW9OESOt2
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O2D8LtWhMbrYy755Fgq4H9s3vCgfvHY1AQ==
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-----END EC TESTING KEY-----
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`))
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)
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var maskKey = func(s string) string { return strings.ReplaceAll(s, "TESTING KEY", "PRIVATE KEY") }
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func TestClient(t *testing.T) {
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env := library.IntegrationEnv(t).WithCapability(library.ClusterSigningKeyIsAvailable)
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
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defer cancel()
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webhook := library.CreateTestWebhookAuthenticator(ctx, t)
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// Use an invalid certificate/key to validate that the ServerVersion API fails like we assume.
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invalidClient := library.NewClientsetWithCertAndKey(t, testCert, testKey)
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_, err := invalidClient.Discovery().ServerVersion()
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require.EqualError(t, err, "the server has asked for the client to provide credentials")
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// Using the CA bundle and host from the current (admin) kubeconfig, do the token exchange.
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clientConfig := library.NewClientConfig(t)
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client, err := conciergeclient.New(
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conciergeclient.WithCABundle(string(clientConfig.CAData)),
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conciergeclient.WithEndpoint(clientConfig.Host),
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conciergeclient.WithAuthenticator("webhook", webhook.Name),
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conciergeclient.WithAPIGroupSuffix(env.APIGroupSuffix),
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)
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require.NoError(t, err)
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var resp *clientauthenticationv1beta1.ExecCredential
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assert.Eventually(t, func() bool {
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resp, err = client.ExchangeToken(ctx, env.TestUser.Token)
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return err == nil
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}, 10*time.Second, 500*time.Millisecond)
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require.NoError(t, err)
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require.NotNil(t, resp.Status.ExpirationTimestamp)
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require.InDelta(t, 5*time.Minute, time.Until(resp.Status.ExpirationTimestamp.Time), float64(time.Minute))
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// Create a client using the certificate and key returned by the token exchange.
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validClient := library.NewClientsetWithCertAndKey(t, resp.Status.ClientCertificateData, resp.Status.ClientKeyData)
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// Make a version request, which should succeed even without any authorization.
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_, err = validClient.Discovery().ServerVersion()
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require.NoError(t, err)
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}
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