281 lines
9.0 KiB
Go
281 lines
9.0 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 conciergeclient
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import (
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"context"
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"crypto/x509/pkix"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/url"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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clientauthenticationv1beta1 "k8s.io/client-go/pkg/apis/clientauthentication/v1beta1"
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loginv1alpha1 "go.pinniped.dev/generated/1.20/apis/concierge/login/v1alpha1"
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"go.pinniped.dev/internal/certauthority"
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"go.pinniped.dev/internal/testutil"
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)
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func TestNew(t *testing.T) {
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t.Parallel()
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testCA, err := certauthority.New(pkix.Name{}, 1*time.Hour)
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require.NoError(t, err)
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tests := []struct {
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name string
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opts []Option
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wantErr string
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}{
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{
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name: "some option error",
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opts: []Option{
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func(client *Client) error { return fmt.Errorf("some error") },
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},
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wantErr: "some error",
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},
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{
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name: "with invalid authenticator",
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opts: []Option{
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WithAuthenticator("invalid-type", "test-authenticator"),
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},
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wantErr: `invalid authenticator type: "invalid-type", supported values are "webhook" and "jwt"`,
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},
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{
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name: "with empty authenticator name",
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opts: []Option{
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WithAuthenticator("webhook", ""),
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},
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wantErr: `authenticator name must not be empty`,
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},
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{
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name: "invalid CA bundle",
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opts: []Option{
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WithCABundle("invalid-base64"),
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},
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wantErr: "invalid CA bundle data: no certificates found",
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},
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{
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name: "invalid base64 CA bundle",
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opts: []Option{
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WithBase64CABundle("invalid-base64"),
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},
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wantErr: "invalid CA bundle data: illegal base64 data at input byte 7",
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},
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{
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name: "empty endpoint",
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opts: []Option{
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WithEndpoint(""),
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},
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wantErr: `endpoint must not be empty`,
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},
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{
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name: "invalid endpoint",
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opts: []Option{
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WithEndpoint("%"),
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},
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wantErr: `invalid endpoint URL: parse "%": invalid URL escape "%"`,
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},
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{
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name: "non-https endpoint",
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opts: []Option{
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WithEndpoint("http://example.com"),
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},
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wantErr: `invalid endpoint scheme "http" (must be "https")`,
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},
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{
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name: "missing authenticator",
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opts: []Option{
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WithEndpoint("https://example.com"),
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},
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wantErr: "WithAuthenticator must be specified",
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},
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{
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name: "missing endpoint",
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opts: []Option{
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WithAuthenticator("jwt", "test-authenticator"),
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},
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wantErr: "WithEndpoint must be specified",
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},
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{
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name: "empty api group suffix",
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opts: []Option{
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WithAuthenticator("jwt", "test-authenticator"),
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WithEndpoint("https://example.com"),
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WithAPIGroupSuffix(""),
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},
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wantErr: "invalid api group suffix: [must contain '.', a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com', regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?(\\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*')]",
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},
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{
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name: "invalid api group suffix",
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opts: []Option{
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WithAuthenticator("jwt", "test-authenticator"),
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WithEndpoint("https://example.com"),
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WithAPIGroupSuffix(".starts.with.dot"),
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},
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wantErr: "invalid api group suffix: a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com', regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?(\\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*')",
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},
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{
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name: "valid",
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opts: []Option{
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WithEndpoint("https://example.com"),
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WithCABundle(""),
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WithCABundle(string(testCA.Bundle())),
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WithBase64CABundle(base64.StdEncoding.EncodeToString(testCA.Bundle())),
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WithAuthenticator("jwt", "test-authenticator"),
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WithAuthenticator("webhook", "test-authenticator"),
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WithAPIGroupSuffix("suffix.com"),
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},
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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got, err := New(tt.opts...)
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if tt.wantErr != "" {
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require.EqualError(t, err, tt.wantErr)
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require.Nil(t, got)
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return
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}
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require.NoError(t, err)
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require.NotNil(t, got)
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})
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}
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}
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func TestExchangeToken(t *testing.T) {
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t.Parallel()
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ctx := context.Background()
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t.Run("clientset failure", func(t *testing.T) {
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c := Client{endpoint: &url.URL{}}
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_, err := c.ExchangeToken(ctx, "")
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require.EqualError(t, err, "invalid configuration: no configuration has been provided, try setting KUBERNETES_MASTER environment variable")
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})
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t.Run("server error", func(t *testing.T) {
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t.Parallel()
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// Start a test server that returns only 500 errors.
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caBundle, endpoint := testutil.TLSTestServer(t, func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusInternalServerError)
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_, _ = w.Write([]byte("some server error"))
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})
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client, err := New(WithEndpoint(endpoint), WithCABundle(caBundle), WithAuthenticator("jwt", "test-authenticator"))
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require.NoError(t, err)
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got, err := client.ExchangeToken(ctx, "test-token")
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require.EqualError(t, err, `could not login: an error on the server ("some server error") has prevented the request from succeeding (post tokencredentialrequests.login.concierge.pinniped.dev)`)
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require.Nil(t, got)
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})
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t.Run("login failure", func(t *testing.T) {
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t.Parallel()
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// Start a test server that returns success but with an error message
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errorMessage := "some login failure"
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caBundle, endpoint := testutil.TLSTestServer(t, func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("content-type", "application/json")
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_ = json.NewEncoder(w).Encode(&loginv1alpha1.TokenCredentialRequest{
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TypeMeta: metav1.TypeMeta{APIVersion: "login.concierge.pinniped.dev/v1alpha1", Kind: "TokenCredentialRequest"},
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Status: loginv1alpha1.TokenCredentialRequestStatus{Message: &errorMessage},
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})
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})
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client, err := New(WithEndpoint(endpoint), WithCABundle(caBundle), WithAuthenticator("jwt", "test-authenticator"))
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require.NoError(t, err)
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got, err := client.ExchangeToken(ctx, "test-token")
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require.EqualError(t, err, `login failed: some login failure`)
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require.Nil(t, got)
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})
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t.Run("login failure unknown error", func(t *testing.T) {
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t.Parallel()
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// Start a test server that returns without any error message but also without valid credentials
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caBundle, endpoint := testutil.TLSTestServer(t, func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("content-type", "application/json")
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_ = json.NewEncoder(w).Encode(&loginv1alpha1.TokenCredentialRequest{
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TypeMeta: metav1.TypeMeta{APIVersion: "login.concierge.pinniped.dev/v1alpha1", Kind: "TokenCredentialRequest"},
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})
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})
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client, err := New(WithEndpoint(endpoint), WithCABundle(caBundle), WithAuthenticator("jwt", "test-authenticator"))
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require.NoError(t, err)
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got, err := client.ExchangeToken(ctx, "test-token")
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require.EqualError(t, err, `login failed: unknown cause`)
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require.Nil(t, got)
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})
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t.Run("success", func(t *testing.T) {
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t.Parallel()
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expires := metav1.NewTime(time.Now().Truncate(time.Second))
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// Start a test server that returns successfully and asserts various properties of the request.
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caBundle, endpoint := testutil.TLSTestServer(t, func(w http.ResponseWriter, r *http.Request) {
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require.Equal(t, http.MethodPost, r.Method)
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require.Equal(t, "/apis/login.concierge.pinniped.dev/v1alpha1/tokencredentialrequests", r.URL.Path)
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require.Equal(t, "application/json", r.Header.Get("content-type"))
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body, err := ioutil.ReadAll(r.Body)
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require.NoError(t, err)
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require.JSONEq(t,
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`{
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"kind": "TokenCredentialRequest",
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"apiVersion": "login.concierge.pinniped.dev/v1alpha1",
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"metadata": {
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"creationTimestamp": null
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},
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"spec": {
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"token": "test-token",
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"authenticator": {
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"apiGroup": "authentication.concierge.pinniped.dev",
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"kind": "WebhookAuthenticator",
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"name": "test-webhook"
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}
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},
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"status": {}
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}`,
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string(body),
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)
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w.Header().Set("content-type", "application/json")
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_ = json.NewEncoder(w).Encode(&loginv1alpha1.TokenCredentialRequest{
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TypeMeta: metav1.TypeMeta{APIVersion: "login.concierge.pinniped.dev/v1alpha1", Kind: "TokenCredentialRequest"},
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Status: loginv1alpha1.TokenCredentialRequestStatus{
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Credential: &loginv1alpha1.ClusterCredential{
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ExpirationTimestamp: expires,
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ClientCertificateData: "test-certificate",
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ClientKeyData: "test-key",
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},
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},
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})
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})
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client, err := New(WithEndpoint(endpoint), WithCABundle(caBundle), WithAuthenticator("webhook", "test-webhook"))
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require.NoError(t, err)
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got, err := client.ExchangeToken(ctx, "test-token")
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require.NoError(t, err)
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require.Equal(t, &clientauthenticationv1beta1.ExecCredential{
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TypeMeta: metav1.TypeMeta{
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Kind: "ExecCredential",
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APIVersion: "client.authentication.k8s.io/v1beta1",
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},
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Status: &clientauthenticationv1beta1.ExecCredentialStatus{
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ClientCertificateData: "test-certificate",
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ClientKeyData: "test-key",
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ExpirationTimestamp: &expires,
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},
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}, got)
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})
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}
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