ContainerImage.Pinniped/test/integration/supervisor_login_test.go
Ryan Richard 3e1e8880f7 Initial support for upstream LDAP group membership
Reflect the upstream group membership into the Supervisor's
downstream tokens, so they can be added to the user's
identity on the workload clusters.

LDAP group search is configurable on the
LDAPIdentityProvider resource.
2021-05-17 11:10:26 -07:00

600 lines
25 KiB
Go

// Copyright 2020-2021 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package integration
import (
"context"
"crypto/tls"
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"regexp"
"strings"
"testing"
"time"
coreosoidc "github.com/coreos/go-oidc/v3/oidc"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/oauth2"
v1 "k8s.io/api/core/v1"
configv1alpha1 "go.pinniped.dev/generated/latest/apis/supervisor/config/v1alpha1"
idpv1alpha1 "go.pinniped.dev/generated/latest/apis/supervisor/idp/v1alpha1"
"go.pinniped.dev/internal/certauthority"
"go.pinniped.dev/internal/oidc"
"go.pinniped.dev/internal/testutil"
"go.pinniped.dev/pkg/oidcclient/nonce"
"go.pinniped.dev/pkg/oidcclient/pkce"
"go.pinniped.dev/pkg/oidcclient/state"
"go.pinniped.dev/test/library"
"go.pinniped.dev/test/library/browsertest"
)
func TestSupervisorLogin(t *testing.T) {
env := library.IntegrationEnv(t)
tests := []struct {
name string
createIDP func(t *testing.T)
requestAuthorization func(t *testing.T, downstreamAuthorizeURL, downstreamCallbackURL string, httpClient *http.Client)
wantDownstreamIDTokenSubjectToMatch string
wantDownstreamIDTokenUsernameToMatch string
wantDownstreamIDTokenGroups []string
}{
{
name: "oidc",
createIDP: func(t *testing.T) {
t.Helper()
library.CreateTestOIDCIdentityProvider(t, idpv1alpha1.OIDCIdentityProviderSpec{
Issuer: env.SupervisorUpstreamOIDC.Issuer,
TLS: &idpv1alpha1.TLSSpec{
CertificateAuthorityData: base64.StdEncoding.EncodeToString([]byte(env.SupervisorUpstreamOIDC.CABundle)),
},
Client: idpv1alpha1.OIDCClient{
SecretName: library.CreateClientCredsSecret(t, env.SupervisorUpstreamOIDC.ClientID, env.SupervisorUpstreamOIDC.ClientSecret).Name,
},
}, idpv1alpha1.PhaseReady)
},
requestAuthorization: requestAuthorizationUsingOIDCIdentityProvider,
// the ID token Subject should include the upstream user ID after the upstream issuer name
wantDownstreamIDTokenSubjectToMatch: regexp.QuoteMeta(env.SupervisorUpstreamOIDC.Issuer+"?sub=") + ".+",
// the ID token Username should include the upstream user ID after the upstream issuer name
wantDownstreamIDTokenUsernameToMatch: regexp.QuoteMeta(env.SupervisorUpstreamOIDC.Issuer+"?sub=") + ".+",
wantDownstreamIDTokenGroups: env.SupervisorUpstreamOIDC.ExpectedGroups,
},
{
name: "ldap with email as username and groups names as DNs",
createIDP: func(t *testing.T) {
t.Helper()
secret := library.CreateTestSecret(t, env.SupervisorNamespace, "ldap-service-account", v1.SecretTypeBasicAuth,
map[string]string{
v1.BasicAuthUsernameKey: env.SupervisorUpstreamLDAP.BindUsername,
v1.BasicAuthPasswordKey: env.SupervisorUpstreamLDAP.BindPassword,
},
)
ldapIDP := library.CreateTestLDAPIdentityProvider(t, idpv1alpha1.LDAPIdentityProviderSpec{
Host: env.SupervisorUpstreamLDAP.Host,
TLS: &idpv1alpha1.TLSSpec{
CertificateAuthorityData: base64.StdEncoding.EncodeToString([]byte(env.SupervisorUpstreamLDAP.CABundle)),
},
Bind: idpv1alpha1.LDAPIdentityProviderBind{
SecretName: secret.Name,
},
UserSearch: idpv1alpha1.LDAPIdentityProviderUserSearch{
Base: env.SupervisorUpstreamLDAP.UserSearchBase,
Filter: "",
Attributes: idpv1alpha1.LDAPIdentityProviderUserSearchAttributes{
Username: env.SupervisorUpstreamLDAP.TestUserMailAttributeName,
UID: env.SupervisorUpstreamLDAP.TestUserUniqueIDAttributeName,
},
},
GroupSearch: idpv1alpha1.LDAPIdentityProviderGroupSearch{
Base: env.SupervisorUpstreamLDAP.GroupSearchBase,
Filter: "",
Attributes: idpv1alpha1.LDAPIdentityProviderGroupSearchAttributes{
GroupName: "dn",
},
},
}, idpv1alpha1.LDAPPhaseReady)
expectedMsg := fmt.Sprintf(
`successfully able to connect to "%s" and bind as user "%s" [validated with Secret "%s" at version "%s"]`,
env.SupervisorUpstreamLDAP.Host, env.SupervisorUpstreamLDAP.BindUsername,
secret.Name, secret.ResourceVersion,
)
requireSuccessfulLDAPIdentityProviderConditions(t, ldapIDP, expectedMsg)
},
requestAuthorization: func(t *testing.T, downstreamAuthorizeURL, _ string, httpClient *http.Client) {
requestAuthorizationUsingLDAPIdentityProvider(t,
downstreamAuthorizeURL,
env.SupervisorUpstreamLDAP.TestUserMailAttributeValue, // username to present to server during login
env.SupervisorUpstreamLDAP.TestUserPassword, // password to present to server during login
httpClient,
)
},
// the ID token Subject should be the Host URL plus the value pulled from the requested UserSearch.Attributes.UID attribute
wantDownstreamIDTokenSubjectToMatch: regexp.QuoteMeta(
"ldaps://" + env.SupervisorUpstreamLDAP.Host + "?sub=" + env.SupervisorUpstreamLDAP.TestUserUniqueIDAttributeValue,
),
// the ID token Username should have been pulled from the requested UserSearch.Attributes.Username attribute
wantDownstreamIDTokenUsernameToMatch: regexp.QuoteMeta(env.SupervisorUpstreamLDAP.TestUserMailAttributeValue),
wantDownstreamIDTokenGroups: env.SupervisorUpstreamLDAP.TestUserDirectGroupsDNs,
},
{
name: "ldap with CN as username and group names as CNs", // try another variation of configuration options
createIDP: func(t *testing.T) {
t.Helper()
secret := library.CreateTestSecret(t, env.SupervisorNamespace, "ldap-service-account", v1.SecretTypeBasicAuth,
map[string]string{
v1.BasicAuthUsernameKey: env.SupervisorUpstreamLDAP.BindUsername,
v1.BasicAuthPasswordKey: env.SupervisorUpstreamLDAP.BindPassword,
},
)
ldapIDP := library.CreateTestLDAPIdentityProvider(t, idpv1alpha1.LDAPIdentityProviderSpec{
Host: env.SupervisorUpstreamLDAP.Host,
TLS: &idpv1alpha1.TLSSpec{
CertificateAuthorityData: base64.StdEncoding.EncodeToString([]byte(env.SupervisorUpstreamLDAP.CABundle)),
},
Bind: idpv1alpha1.LDAPIdentityProviderBind{
SecretName: secret.Name,
},
UserSearch: idpv1alpha1.LDAPIdentityProviderUserSearch{
Base: env.SupervisorUpstreamLDAP.UserSearchBase,
Filter: "cn={}", // try using a non-default search filter
Attributes: idpv1alpha1.LDAPIdentityProviderUserSearchAttributes{
Username: "dn", // try using the user's DN as the downstream username
UID: env.SupervisorUpstreamLDAP.TestUserUniqueIDAttributeName,
},
},
GroupSearch: idpv1alpha1.LDAPIdentityProviderGroupSearch{
Base: env.SupervisorUpstreamLDAP.GroupSearchBase,
Filter: "",
Attributes: idpv1alpha1.LDAPIdentityProviderGroupSearchAttributes{
GroupName: "cn",
},
},
}, idpv1alpha1.LDAPPhaseReady)
expectedMsg := fmt.Sprintf(
`successfully able to connect to "%s" and bind as user "%s" [validated with Secret "%s" at version "%s"]`,
env.SupervisorUpstreamLDAP.Host, env.SupervisorUpstreamLDAP.BindUsername,
secret.Name, secret.ResourceVersion,
)
requireSuccessfulLDAPIdentityProviderConditions(t, ldapIDP, expectedMsg)
},
requestAuthorization: func(t *testing.T, downstreamAuthorizeURL, _ string, httpClient *http.Client) {
requestAuthorizationUsingLDAPIdentityProvider(t,
downstreamAuthorizeURL,
env.SupervisorUpstreamLDAP.TestUserCN, // username to present to server during login
env.SupervisorUpstreamLDAP.TestUserPassword, // password to present to server during login
httpClient,
)
},
// the ID token Subject should be the Host URL plus the value pulled from the requested UserSearch.Attributes.UID attribute
wantDownstreamIDTokenSubjectToMatch: regexp.QuoteMeta(
"ldaps://" + env.SupervisorUpstreamLDAP.Host + "?sub=" + env.SupervisorUpstreamLDAP.TestUserUniqueIDAttributeValue,
),
// the ID token Username should have been pulled from the requested UserSearch.Attributes.Username attribute
wantDownstreamIDTokenUsernameToMatch: regexp.QuoteMeta(env.SupervisorUpstreamLDAP.TestUserDN),
wantDownstreamIDTokenGroups: env.SupervisorUpstreamLDAP.TestUserDirectGroupsCNs,
},
}
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
testSupervisorLogin(t,
test.createIDP,
test.requestAuthorization,
test.wantDownstreamIDTokenSubjectToMatch,
test.wantDownstreamIDTokenUsernameToMatch,
test.wantDownstreamIDTokenGroups,
)
})
}
}
func requireSuccessfulLDAPIdentityProviderConditions(t *testing.T, ldapIDP *idpv1alpha1.LDAPIdentityProvider, expectedLDAPConnectionValidMessage string) {
require.Len(t, ldapIDP.Status.Conditions, 3)
conditionsSummary := [][]string{}
for _, condition := range ldapIDP.Status.Conditions {
conditionsSummary = append(conditionsSummary, []string{condition.Type, string(condition.Status), condition.Reason})
t.Logf("Saw LDAPIdentityProvider Status.Condition Type=%s Status=%s Reason=%s Message=%s",
condition.Type, string(condition.Status), condition.Reason, condition.Message)
switch condition.Type {
case "BindSecretValid":
require.Equal(t, "loaded bind secret", condition.Message)
case "TLSConfigurationValid":
require.Equal(t, "loaded TLS configuration", condition.Message)
case "LDAPConnectionValid":
require.Equal(t, expectedLDAPConnectionValidMessage, condition.Message)
}
}
require.ElementsMatch(t, [][]string{
{"BindSecretValid", "True", "Success"},
{"TLSConfigurationValid", "True", "Success"},
{"LDAPConnectionValid", "True", "Success"},
}, conditionsSummary)
}
func testSupervisorLogin(
t *testing.T,
createIDP func(t *testing.T),
requestAuthorization func(t *testing.T, downstreamAuthorizeURL, downstreamCallbackURL string, httpClient *http.Client),
wantDownstreamIDTokenSubjectToMatch, wantDownstreamIDTokenUsernameToMatch string, wantDownstreamIDTokenGroups []string,
) {
env := library.IntegrationEnv(t)
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
defer cancel()
// Infer the downstream issuer URL from the callback associated with the upstream test client registration.
issuerURL, err := url.Parse(env.SupervisorUpstreamOIDC.CallbackURL)
require.NoError(t, err)
require.True(t, strings.HasSuffix(issuerURL.Path, "/callback"))
issuerURL.Path = strings.TrimSuffix(issuerURL.Path, "/callback")
t.Logf("testing with downstream issuer URL %s", issuerURL.String())
// Generate a CA bundle with which to serve this provider.
t.Logf("generating test CA")
ca, err := certauthority.New("Downstream Test CA", 1*time.Hour)
require.NoError(t, err)
// Create an HTTP client that can reach the downstream discovery endpoint using the CA certs.
httpClient := &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{RootCAs: ca.Pool()},
Proxy: func(req *http.Request) (*url.URL, error) {
if strings.HasPrefix(req.URL.Host, "127.0.0.1") {
// don't proxy requests to localhost to avoid proxying calls to our local callback listener
return nil, nil
}
if env.Proxy == "" {
t.Logf("passing request for %s with no proxy", library.RedactURLParams(req.URL))
return nil, nil
}
proxyURL, err := url.Parse(env.Proxy)
require.NoError(t, err)
t.Logf("passing request for %s through proxy %s", library.RedactURLParams(req.URL), proxyURL.String())
return proxyURL, nil
},
},
// Don't follow redirects automatically.
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse
},
}
oidcHTTPClientContext := coreosoidc.ClientContext(ctx, httpClient)
// Use the CA to issue a TLS server cert.
t.Logf("issuing test certificate")
tlsCert, err := ca.IssueServerCert([]string{issuerURL.Hostname()}, nil, 1*time.Hour)
require.NoError(t, err)
certPEM, keyPEM, err := certauthority.ToPEM(tlsCert)
require.NoError(t, err)
// Write the serving cert to a secret.
certSecret := library.CreateTestSecret(t,
env.SupervisorNamespace,
"oidc-provider-tls",
v1.SecretTypeTLS,
map[string]string{"tls.crt": string(certPEM), "tls.key": string(keyPEM)},
)
// Create the downstream FederationDomain and expect it to go into the success status condition.
downstream := library.CreateTestFederationDomain(ctx, t,
issuerURL.String(),
certSecret.Name,
configv1alpha1.SuccessFederationDomainStatusCondition,
)
// Ensure the the JWKS data is created and ready for the new FederationDomain by waiting for
// the `/jwks.json` endpoint to succeed, because there is no point in proceeding and eventually
// calling the token endpoint from this test until the JWKS data has been loaded into
// the server's in-memory JWKS cache for the token endpoint to use.
requestJWKSEndpoint, err := http.NewRequestWithContext(
ctx,
http.MethodGet,
fmt.Sprintf("%s/jwks.json", issuerURL.String()),
nil,
)
require.NoError(t, err)
var jwksRequestStatus int
assert.Eventually(t, func() bool {
rsp, err := httpClient.Do(requestJWKSEndpoint)
require.NoError(t, err)
require.NoError(t, rsp.Body.Close())
jwksRequestStatus = rsp.StatusCode
return jwksRequestStatus == http.StatusOK
}, 30*time.Second, 200*time.Millisecond)
require.Equal(t, http.StatusOK, jwksRequestStatus)
// Create upstream IDP and wait for it to become ready.
createIDP(t)
// Perform OIDC discovery for our downstream.
var discovery *coreosoidc.Provider
assert.Eventually(t, func() bool {
discovery, err = coreosoidc.NewProvider(oidcHTTPClientContext, downstream.Spec.Issuer)
return err == nil
}, 30*time.Second, 200*time.Millisecond)
require.NoError(t, err)
// Start a callback server on localhost.
localCallbackServer := startLocalCallbackServer(t)
// Form the OAuth2 configuration corresponding to our CLI client.
downstreamOAuth2Config := oauth2.Config{
// This is the hardcoded public client that the supervisor supports.
ClientID: "pinniped-cli",
Endpoint: discovery.Endpoint(),
RedirectURL: localCallbackServer.URL,
Scopes: []string{"openid", "pinniped:request-audience", "offline_access"},
}
// Build a valid downstream authorize URL for the supervisor.
stateParam, err := state.Generate()
require.NoError(t, err)
nonceParam, err := nonce.Generate()
require.NoError(t, err)
pkceParam, err := pkce.Generate()
require.NoError(t, err)
downstreamAuthorizeURL := downstreamOAuth2Config.AuthCodeURL(
stateParam.String(),
nonceParam.Param(),
pkceParam.Challenge(),
pkceParam.Method(),
)
// Perform parameterized auth code acquisition.
requestAuthorization(t, downstreamAuthorizeURL, localCallbackServer.URL, httpClient)
// Expect that our callback handler was invoked.
callback := localCallbackServer.waitForCallback(10 * time.Second)
t.Logf("got callback request: %s", library.MaskTokens(callback.URL.String()))
require.Equal(t, stateParam.String(), callback.URL.Query().Get("state"))
require.ElementsMatch(t, []string{"openid", "pinniped:request-audience", "offline_access"}, strings.Split(callback.URL.Query().Get("scope"), " "))
authcode := callback.URL.Query().Get("code")
require.NotEmpty(t, authcode)
// Call the token endpoint to get tokens.
tokenResponse, err := downstreamOAuth2Config.Exchange(oidcHTTPClientContext, authcode, pkceParam.Verifier())
require.NoError(t, err)
expectedIDTokenClaims := []string{"iss", "exp", "sub", "aud", "auth_time", "iat", "jti", "nonce", "rat", "username", "groups"}
verifyTokenResponse(t,
tokenResponse, discovery, downstreamOAuth2Config, nonceParam,
expectedIDTokenClaims, wantDownstreamIDTokenSubjectToMatch, wantDownstreamIDTokenUsernameToMatch, wantDownstreamIDTokenGroups)
// token exchange on the original token
doTokenExchange(t, &downstreamOAuth2Config, tokenResponse, httpClient, discovery)
// Use the refresh token to get new tokens
refreshSource := downstreamOAuth2Config.TokenSource(oidcHTTPClientContext, &oauth2.Token{RefreshToken: tokenResponse.RefreshToken})
refreshedTokenResponse, err := refreshSource.Token()
require.NoError(t, err)
expectedIDTokenClaims = append(expectedIDTokenClaims, "at_hash")
verifyTokenResponse(t,
refreshedTokenResponse, discovery, downstreamOAuth2Config, "",
expectedIDTokenClaims, wantDownstreamIDTokenSubjectToMatch, wantDownstreamIDTokenUsernameToMatch, wantDownstreamIDTokenGroups)
require.NotEqual(t, tokenResponse.AccessToken, refreshedTokenResponse.AccessToken)
require.NotEqual(t, tokenResponse.RefreshToken, refreshedTokenResponse.RefreshToken)
require.NotEqual(t, tokenResponse.Extra("id_token"), refreshedTokenResponse.Extra("id_token"))
// token exchange on the refreshed token
doTokenExchange(t, &downstreamOAuth2Config, refreshedTokenResponse, httpClient, discovery)
}
func verifyTokenResponse(
t *testing.T,
tokenResponse *oauth2.Token,
discovery *coreosoidc.Provider,
downstreamOAuth2Config oauth2.Config,
nonceParam nonce.Nonce,
expectedIDTokenClaims []string,
wantDownstreamIDTokenSubjectToMatch, wantDownstreamIDTokenUsernameToMatch string, wantDownstreamIDTokenGroups []string,
) {
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
defer cancel()
// Verify the ID Token.
rawIDToken, ok := tokenResponse.Extra("id_token").(string)
require.True(t, ok, "expected to get an ID token but did not")
var verifier = discovery.Verifier(&coreosoidc.Config{ClientID: downstreamOAuth2Config.ClientID})
idToken, err := verifier.Verify(ctx, rawIDToken)
require.NoError(t, err)
// Check the sub claim of the ID token.
require.Regexp(t, wantDownstreamIDTokenSubjectToMatch, idToken.Subject)
// Check the nonce claim of the ID token.
require.NoError(t, nonceParam.Validate(idToken))
// Check the exp claim of the ID token.
expectedIDTokenLifetime := oidc.DefaultOIDCTimeoutsConfiguration().IDTokenLifespan
testutil.RequireTimeInDelta(t, time.Now().UTC().Add(expectedIDTokenLifetime), idToken.Expiry, time.Second*30)
// Check the full list of claim names of the ID token.
idTokenClaims := map[string]interface{}{}
err = idToken.Claims(&idTokenClaims)
require.NoError(t, err)
idTokenClaimNames := []string{}
for k := range idTokenClaims {
idTokenClaimNames = append(idTokenClaimNames, k)
}
require.ElementsMatch(t, expectedIDTokenClaims, idTokenClaimNames)
// Check username claim of the ID token.
require.Regexp(t, wantDownstreamIDTokenUsernameToMatch, idTokenClaims["username"].(string))
// Check the groups claim.
require.ElementsMatch(t, wantDownstreamIDTokenGroups, idTokenClaims["groups"])
// Some light verification of the other tokens that were returned.
require.NotEmpty(t, tokenResponse.AccessToken)
require.Equal(t, "bearer", tokenResponse.TokenType)
require.NotZero(t, tokenResponse.Expiry)
expectedAccessTokenLifetime := oidc.DefaultOIDCTimeoutsConfiguration().AccessTokenLifespan
testutil.RequireTimeInDelta(t, time.Now().UTC().Add(expectedAccessTokenLifetime), tokenResponse.Expiry, time.Second*30)
require.NotEmpty(t, tokenResponse.RefreshToken)
}
func requestAuthorizationUsingOIDCIdentityProvider(t *testing.T, downstreamAuthorizeURL, downstreamCallbackURL string, httpClient *http.Client) {
t.Helper()
env := library.IntegrationEnv(t)
ctx, cancelFunc := context.WithTimeout(context.Background(), time.Minute)
defer cancelFunc()
// Make the authorize request once "manually" so we can check its response security headers.
authorizeRequest, err := http.NewRequestWithContext(ctx, http.MethodGet, downstreamAuthorizeURL, nil)
require.NoError(t, err)
authorizeResp, err := httpClient.Do(authorizeRequest)
require.NoError(t, err)
require.NoError(t, authorizeResp.Body.Close())
expectSecurityHeaders(t, authorizeResp, false)
// Open the web browser and navigate to the downstream authorize URL.
page := browsertest.Open(t)
t.Logf("opening browser to downstream authorize URL %s", library.MaskTokens(downstreamAuthorizeURL))
require.NoError(t, page.Navigate(downstreamAuthorizeURL))
// Expect to be redirected to the upstream provider and log in.
browsertest.LoginToUpstream(t, page, env.SupervisorUpstreamOIDC)
// Wait for the login to happen and us be redirected back to a localhost callback.
t.Logf("waiting for redirect to callback")
callbackURLPattern := regexp.MustCompile(`\A` + regexp.QuoteMeta(downstreamCallbackURL) + `\?.+\z`)
browsertest.WaitForURL(t, page, callbackURLPattern)
}
func requestAuthorizationUsingLDAPIdentityProvider(t *testing.T, downstreamAuthorizeURL, upstreamUsername, upstreamPassword string, httpClient *http.Client) {
t.Helper()
ctx, cancelFunc := context.WithTimeout(context.Background(), time.Minute)
defer cancelFunc()
authRequest, err := http.NewRequestWithContext(ctx, http.MethodGet, downstreamAuthorizeURL, nil)
require.NoError(t, err)
// Set the custom username/password headers for the LDAP authorize request.
authRequest.Header.Set("Pinniped-Username", upstreamUsername)
authRequest.Header.Set("Pinniped-Password", upstreamPassword)
authResponse, err := httpClient.Do(authRequest)
require.NoError(t, err)
responseBody, err := ioutil.ReadAll(authResponse.Body)
defer authResponse.Body.Close()
require.NoError(t, err)
expectSecurityHeaders(t, authResponse, true)
// A successful authorize request results in a redirect to our localhost callback listener with an authcode param.
require.Equalf(t, http.StatusFound, authResponse.StatusCode, "response body was: %s", string(responseBody))
redirectLocation := authResponse.Header.Get("Location")
require.Contains(t, redirectLocation, "127.0.0.1")
require.Contains(t, redirectLocation, "/callback")
require.Contains(t, redirectLocation, "code=")
// Follow the redirect.
callbackRequest, err := http.NewRequestWithContext(ctx, http.MethodGet, redirectLocation, nil)
require.NoError(t, err)
// Our localhost callback listener should have returned 200 OK.
callbackResponse, err := httpClient.Do(callbackRequest)
require.NoError(t, err)
defer callbackResponse.Body.Close()
require.Equal(t, http.StatusOK, callbackResponse.StatusCode)
}
func startLocalCallbackServer(t *testing.T) *localCallbackServer {
// Handle the callback by sending the *http.Request object back through a channel.
callbacks := make(chan *http.Request, 1)
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
callbacks <- r
}))
server.URL += "/callback"
t.Cleanup(server.Close)
t.Cleanup(func() { close(callbacks) })
return &localCallbackServer{Server: server, t: t, callbacks: callbacks}
}
type localCallbackServer struct {
*httptest.Server
t *testing.T
callbacks <-chan *http.Request
}
func (s *localCallbackServer) waitForCallback(timeout time.Duration) *http.Request {
select {
case callback := <-s.callbacks:
return callback
case <-time.After(timeout):
require.Fail(s.t, "timed out waiting for callback request")
return nil
}
}
func doTokenExchange(t *testing.T, config *oauth2.Config, tokenResponse *oauth2.Token, httpClient *http.Client, provider *coreosoidc.Provider) {
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
defer cancel()
// Form the HTTP POST request with the parameters specified by RFC8693.
reqBody := strings.NewReader(url.Values{
"grant_type": []string{"urn:ietf:params:oauth:grant-type:token-exchange"},
"audience": []string{"cluster-1234"},
"client_id": []string{config.ClientID},
"subject_token": []string{tokenResponse.AccessToken},
"subject_token_type": []string{"urn:ietf:params:oauth:token-type:access_token"},
"requested_token_type": []string{"urn:ietf:params:oauth:token-type:jwt"},
}.Encode())
req, err := http.NewRequestWithContext(ctx, http.MethodPost, config.Endpoint.TokenURL, reqBody)
require.NoError(t, err)
req.Header.Set("content-type", "application/x-www-form-urlencoded")
resp, err := httpClient.Do(req)
require.NoError(t, err)
require.Equal(t, resp.StatusCode, http.StatusOK)
defer func() { _ = resp.Body.Close() }()
var respBody struct {
AccessToken string `json:"access_token"`
IssuedTokenType string `json:"issued_token_type"`
TokenType string `json:"token_type"`
}
require.NoError(t, json.NewDecoder(resp.Body).Decode(&respBody))
var clusterVerifier = provider.Verifier(&coreosoidc.Config{ClientID: "cluster-1234"})
exchangedToken, err := clusterVerifier.Verify(ctx, respBody.AccessToken)
require.NoError(t, err)
var claims map[string]interface{}
require.NoError(t, exchangedToken.Claims(&claims))
indentedClaims, err := json.MarshalIndent(claims, " ", " ")
require.NoError(t, err)
t.Logf("exchanged token claims:\n%s", string(indentedClaims))
}
func expectSecurityHeaders(t *testing.T, response *http.Response, expectFositeToOverrideSome bool) {
h := response.Header
assert.Equal(t, "default-src 'none'; frame-ancestors 'none'", h.Get("Content-Security-Policy"))
assert.Equal(t, "DENY", h.Get("X-Frame-Options"))
assert.Equal(t, "1; mode=block", h.Get("X-XSS-Protection"))
assert.Equal(t, "nosniff", h.Get("X-Content-Type-Options"))
assert.Equal(t, "no-referrer", h.Get("Referrer-Policy"))
assert.Equal(t, "off", h.Get("X-DNS-Prefetch-Control"))
if expectFositeToOverrideSome {
assert.Equal(t, "no-store", h.Get("Cache-Control"))
} else {
assert.Equal(t, "no-cache,no-store,max-age=0,must-revalidate", h.Get("Cache-Control"))
}
assert.Equal(t, "no-cache", h.Get("Pragma"))
assert.Equal(t, "0", h.Get("Expires"))
}