361 lines
14 KiB
Go
361 lines
14 KiB
Go
// Copyright 2020-2021 the Pinniped contributors. All Rights Reserved.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package integration
|
|
|
|
import (
|
|
"context"
|
|
"crypto/tls"
|
|
"crypto/x509/pkix"
|
|
"encoding/base64"
|
|
"encoding/json"
|
|
"fmt"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"net/url"
|
|
"regexp"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
v1 "k8s.io/api/core/v1"
|
|
|
|
coreosoidc "github.com/coreos/go-oidc"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
"golang.org/x/oauth2"
|
|
|
|
configv1alpha1 "go.pinniped.dev/generated/1.20/apis/supervisor/config/v1alpha1"
|
|
idpv1alpha1 "go.pinniped.dev/generated/1.20/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)
|
|
|
|
// If anything in this test crashes, dump out the supervisor and proxy pod logs.
|
|
defer library.DumpLogs(t, env.SupervisorNamespace, "")
|
|
defer library.DumpLogs(t, "dex", "app=proxy")
|
|
|
|
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.SupervisorTestUpstream.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(pkix.Name{CommonName: "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 env.Proxy == "" {
|
|
t.Logf("passing request for %s with no proxy", req.URL)
|
|
return nil, nil
|
|
}
|
|
proxyURL, err := url.Parse(env.Proxy)
|
|
require.NoError(t, err)
|
|
t.Logf("passing request for %s through proxy %s", 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.Issue(
|
|
pkix.Name{CommonName: issuerURL.Hostname()},
|
|
[]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 OIDC provider and wait for it to become ready.
|
|
library.CreateTestOIDCIdentityProvider(t, idpv1alpha1.OIDCIdentityProviderSpec{
|
|
Issuer: env.SupervisorTestUpstream.Issuer,
|
|
TLS: &idpv1alpha1.TLSSpec{
|
|
CertificateAuthorityData: base64.StdEncoding.EncodeToString([]byte(env.SupervisorTestUpstream.CABundle)),
|
|
},
|
|
Client: idpv1alpha1.OIDCClient{
|
|
SecretName: library.CreateClientCredsSecret(t, env.SupervisorTestUpstream.ClientID, env.SupervisorTestUpstream.ClientSecret).Name,
|
|
},
|
|
}, idpv1alpha1.PhaseReady)
|
|
|
|
// 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(),
|
|
)
|
|
|
|
// Make the authorize request one "manually" so we can check its response 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)
|
|
|
|
// 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.SupervisorTestUpstream)
|
|
|
|
// 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(localCallbackServer.URL) + `\?.+\z`)
|
|
browsertest.WaitForURL(t, page, callbackURLPattern)
|
|
|
|
// 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"}
|
|
verifyTokenResponse(t, tokenResponse, discovery, downstreamOAuth2Config, env.SupervisorTestUpstream.Issuer, nonceParam, expectedIDTokenClaims)
|
|
|
|
// 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, env.SupervisorTestUpstream.Issuer, "", expectedIDTokenClaims)
|
|
|
|
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,
|
|
upstreamIssuerName string,
|
|
nonceParam nonce.Nonce,
|
|
expectedIDTokenClaims []string,
|
|
) {
|
|
ctx, cancel := context.WithTimeout(context.Background(), 1*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 claims of the ID token.
|
|
expectedSubjectPrefix := upstreamIssuerName + "?sub="
|
|
require.True(t, strings.HasPrefix(idToken.Subject, expectedSubjectPrefix))
|
|
require.Greater(t, len(idToken.Subject), len(expectedSubjectPrefix),
|
|
"the ID token Subject should include the upstream user ID after the upstream issuer name")
|
|
require.NoError(t, nonceParam.Validate(idToken))
|
|
expectedIDTokenLifetime := oidc.DefaultOIDCTimeoutsConfiguration().IDTokenLifespan
|
|
testutil.RequireTimeInDelta(t, time.Now().UTC().Add(expectedIDTokenLifetime), idToken.Expiry, time.Second*30)
|
|
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)
|
|
expectedUsernamePrefix := upstreamIssuerName + "?sub="
|
|
require.True(t, strings.HasPrefix(idTokenClaims["username"].(string), expectedUsernamePrefix))
|
|
require.Greater(t, len(idTokenClaims["username"].(string)), len(expectedUsernamePrefix),
|
|
"the ID token Username should include the upstream user ID after the upstream issuer name")
|
|
|
|
// 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 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(), 1*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) {
|
|
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"))
|
|
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"))
|
|
}
|