Creation and deletion of OIDC Provider discovery endpoints from config

- The OIDCProviderConfigWatcherController synchronizes the
  OIDCProviderConfig settings to dynamically mount and unmount the
  OIDC discovery endpoints for each provider
- Integration test passes but unit tests need to be added still
This commit is contained in:
Ryan Richard 2020-10-07 19:18:34 -07:00
parent 154de991e4
commit 6b653fc663
10 changed files with 388 additions and 320 deletions

View File

@ -23,8 +23,7 @@ import (
"go.pinniped.dev/internal/controller/supervisorconfig"
"go.pinniped.dev/internal/controllerlib"
"go.pinniped.dev/internal/downward"
"go.pinniped.dev/internal/oidc/discovery"
"go.pinniped.dev/internal/oidc/issuerprovider"
"go.pinniped.dev/internal/oidc/provider"
)
const (
@ -32,10 +31,8 @@ const (
defaultResyncInterval = 3 * time.Minute
)
func start(ctx context.Context, l net.Listener, discoveryHandler http.Handler) {
server := http.Server{
Handler: discoveryHandler,
}
func start(ctx context.Context, l net.Listener, handler http.Handler) {
server := http.Server{Handler: handler}
errCh := make(chan error)
go func() {
@ -63,14 +60,14 @@ func waitForSignal() os.Signal {
func startControllers(
ctx context.Context,
issuerProvider *issuerprovider.Provider,
issuerProvider *provider.Manager,
pinnipedInformers pinnipedinformers.SharedInformerFactory,
) {
// Create controller manager.
controllerManager := controllerlib.
NewManager().
WithController(
supervisorconfig.NewDynamicConfigWatcherController(
supervisorconfig.NewOIDCProviderConfigWatcherController(
issuerProvider,
pinnipedInformers.Config().V1alpha1().OIDCProviderConfigs(),
controllerlib.WithInformer,
@ -113,8 +110,8 @@ func run(serverInstallationNamespace string) error {
pinnipedinformers.WithNamespace(serverInstallationNamespace),
)
issuerProvider := issuerprovider.New()
startControllers(ctx, issuerProvider, pinnipedInformers)
oidProvidersManager := provider.NewManager(http.NotFoundHandler())
startControllers(ctx, oidProvidersManager, pinnipedInformers)
//nolint: gosec // Intentionally binding to all network interfaces.
l, err := net.Listen("tcp", ":80")
@ -123,7 +120,7 @@ func run(serverInstallationNamespace string) error {
}
defer l.Close()
start(ctx, l, discovery.New(issuerProvider))
start(ctx, l, oidProvidersManager)
klog.InfoS("supervisor is ready", "address", l.Addr().String())
gotSignal := waitForSignal()

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@ -1,114 +0,0 @@
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package supervisorconfig
import (
"fmt"
"net/url"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/klog/v2"
configinformers "go.pinniped.dev/generated/1.19/client/informers/externalversions/config/v1alpha1"
pinnipedcontroller "go.pinniped.dev/internal/controller"
"go.pinniped.dev/internal/controllerlib"
)
// IssuerSetter can be notified of a valid issuer with its SetIssuer function. If there is no
// longer any valid issuer, then nil can be passed to this interface.
//
// If the IssuerSetter doesn't like the provided issuer, it can return an error.
//
// Implementations of this type should be thread-safe to support calls from multiple goroutines.
type IssuerSetter interface {
SetIssuer(issuer *url.URL) error
}
type dynamicConfigWatcherController struct {
issuerSetter IssuerSetter
opcInformer configinformers.OIDCProviderConfigInformer
}
// NewDynamicConfigWatcherController creates a controllerlib.Controller that watches
// OIDCProviderConfig objects and notifies a callback object of their creation or deletion.
func NewDynamicConfigWatcherController(
issuerObserver IssuerSetter,
opcInformer configinformers.OIDCProviderConfigInformer,
withInformer pinnipedcontroller.WithInformerOptionFunc,
) controllerlib.Controller {
return controllerlib.New(
controllerlib.Config{
Name: "DynamicConfigWatcherController",
Syncer: &dynamicConfigWatcherController{
issuerSetter: issuerObserver,
opcInformer: opcInformer,
},
},
withInformer(
opcInformer,
pinnipedcontroller.NoOpFilter(),
controllerlib.InformerOption{},
),
)
}
// Sync implements controllerlib.Syncer.
func (c *dynamicConfigWatcherController) Sync(ctx controllerlib.Context) error {
// TODO Watch the configmap to find the issuer name, ingress url, etc.
// TODO Update some kind of in-memory representation of the configuration so the discovery endpoint can use it.
// TODO The discovery endpoint would return an error until all missing configuration options are
// filled in.
opc, err := c.opcInformer.
Lister().
OIDCProviderConfigs(ctx.Key.Namespace).
Get(ctx.Key.Name)
notFound := k8serrors.IsNotFound(err)
if err != nil && !notFound {
return fmt.Errorf("failed to get %s/%s oidcproviderconfig: %w", ctx.Key.Namespace, ctx.Key.Name, err)
}
if notFound {
klog.InfoS(
"dynamicConfigWatcherController Sync found no oidcproviderconfig",
"oidcproviderconfig",
klog.KRef(ctx.Key.Namespace, ctx.Key.Name),
)
if err := c.issuerSetter.SetIssuer(nil); err != nil {
klog.InfoS(
"dynamicConfigWatcherController Sync failed to set issuer",
"err",
err,
)
}
return nil
}
url, err := url.Parse(opc.Spec.Issuer)
if err != nil {
klog.InfoS(
"dynamicConfigWatcherController Sync failed to parse issuer",
"err",
err,
)
return nil
}
klog.InfoS(
"dynamicConfigWatcherController Sync issuer",
"oidcproviderconfig",
klog.KObj(opc),
"issuer",
url,
)
if err := c.issuerSetter.SetIssuer(url); err != nil {
klog.InfoS(
"dynamicConfigWatcherController Sync failed to set issuer",
"err",
err,
)
}
return nil
}

View File

@ -0,0 +1,91 @@
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package supervisorconfig
import (
"net/url"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/klog/v2"
configinformers "go.pinniped.dev/generated/1.19/client/informers/externalversions/config/v1alpha1"
pinnipedcontroller "go.pinniped.dev/internal/controller"
"go.pinniped.dev/internal/controllerlib"
"go.pinniped.dev/internal/oidc/provider"
)
// ProvidersSetter can be notified of all known valid providers with its SetIssuer function.
// If there are no longer any valid issuers, then it can be called with no arguments.
// Implementations of this type should be thread-safe to support calls from multiple goroutines.
type ProvidersSetter interface {
SetProviders(oidcProviders ...*provider.OIDCProvider)
}
type oidcProviderConfigWatcherController struct {
providerSetter ProvidersSetter
opcInformer configinformers.OIDCProviderConfigInformer
}
// NewOIDCProviderConfigWatcherController creates a controllerlib.Controller that watches
// OIDCProviderConfig objects and notifies a callback object of the collection of provider configs.
func NewOIDCProviderConfigWatcherController(
issuerObserver ProvidersSetter,
opcInformer configinformers.OIDCProviderConfigInformer,
withInformer pinnipedcontroller.WithInformerOptionFunc,
) controllerlib.Controller {
return controllerlib.New(
controllerlib.Config{
Name: "OIDCProviderConfigWatcherController",
Syncer: &oidcProviderConfigWatcherController{
providerSetter: issuerObserver,
opcInformer: opcInformer,
},
},
withInformer(
opcInformer,
pinnipedcontroller.NoOpFilter(),
controllerlib.InformerOption{},
),
)
}
// Sync implements controllerlib.Syncer.
func (c *oidcProviderConfigWatcherController) Sync(ctx controllerlib.Context) error {
all, err := c.opcInformer.Lister().List(labels.Everything())
if err != nil {
return err
}
oidcProviders := make([]*provider.OIDCProvider, 0)
for _, opc := range all {
issuerURL, err := url.Parse(opc.Spec.Issuer)
if err != nil {
klog.InfoS(
"OIDCProviderConfigWatcherController Sync failed to parse issuer",
"err",
err,
)
continue
}
oidcProvider := &provider.OIDCProvider{Issuer: issuerURL}
err = oidcProvider.Validate()
if err != nil {
klog.InfoS(
"OIDCProviderConfigWatcherController Sync could failed to validate OIDCProviderConfig",
"err",
err,
)
continue
}
oidcProviders = append(oidcProviders, oidcProvider)
klog.InfoS(
"OIDCProviderConfigWatcherController Sync accepted OIDCProviderConfig",
"issuer",
issuerURL,
)
}
c.providerSetter.SetProviders(oidcProviders...)
return nil
}

View File

@ -8,16 +8,13 @@ import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"go.pinniped.dev/internal/oidc"
)
// Metadata holds all fields (that we care about) from the OpenID Provider Metadata section in the
// OpenID Connect Discovery specification:
// https://openid.net/specs/openid-connect-discovery-1_0.html#rfc.section.3.
type Metadata struct {
// vvvRequiredvvv
// vvv Required vvv
Issuer string `json:"issuer"`
@ -29,44 +26,28 @@ type Metadata struct {
SubjectTypesSupported []string `json:"subject_types_supported"`
IDTokenSigningAlgValuesSupported []string `json:"id_token_signing_alg_values_supported"`
// ^^^Required^^^
// ^^^ Required ^^^
// vvvOptionalvvv
// vvv Optional vvv
TokenEndpointAuthMethodsSupported []string `json:"token_endpoint_auth_methods_supported"`
TokenEndpointAuthSigningAlgoValuesSupported []string `json:"token_endpoint_auth_signing_alg_values_supported"`
ScopesSupported []string `json:"scopes_supported"`
ClaimsSupported []string `json:"claims_supported"`
// ^^^Optional^^^
// ^^^ Optional ^^^
}
// IssuerGetter holds onto an issuer which can be retrieved via its GetIssuer function. If there is
// no valid issuer, then nil will be returned.
//
// Implementations of this type should be thread-safe to support calls from multiple goroutines.
type IssuerGetter interface {
GetIssuer() *url.URL
}
// New returns an http.Handler that will use information from the provided IssuerGetter to serve an
// OIDC discovery endpoint.
func New(ig IssuerGetter) http.Handler {
// New returns an http.Handler that serves an OIDC discovery endpoint.
func New(issuerURL string) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
issuer := ig.GetIssuer()
if issuer == nil || r.URL.Path != issuer.Path+oidc.WellKnownURLPath {
http.Error(w, `{"error": "OIDC discovery not available (unknown issuer)"}`, http.StatusNotFound)
return
}
if r.Method != http.MethodGet {
http.Error(w, `{"error": "Method not allowed (try GET)"}`, http.StatusMethodNotAllowed)
return
}
issuerURL := issuer.String()
oidcConfig := Metadata{
Issuer: issuerURL,
AuthorizationEndpoint: fmt.Sprintf("%s/oauth2/v0/auth", issuerURL),

View File

@ -7,20 +7,18 @@ import (
"encoding/json"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/stretchr/testify/require"
"go.pinniped.dev/internal/oidc"
"go.pinniped.dev/internal/oidc/issuerprovider"
)
func TestDiscovery(t *testing.T) {
tests := []struct {
name string
issuer *url.URL
issuer string
method string
path string
@ -29,37 +27,8 @@ func TestDiscovery(t *testing.T) {
wantBody interface{}
}{
{
name: "nil issuer",
method: http.MethodGet,
path: oidc.WellKnownURLPath,
wantStatus: http.StatusNotFound,
wantBody: map[string]string{
"error": "OIDC discovery not available (unknown issuer)",
},
},
{
name: "root path mismatch",
issuer: must(url.Parse("https://some-issuer.com/some/path")),
method: http.MethodGet,
path: "/some/other/path" + oidc.WellKnownURLPath,
wantStatus: http.StatusNotFound,
wantBody: map[string]string{
"error": "OIDC discovery not available (unknown issuer)",
},
},
{
name: "well-known path mismatch",
issuer: must(url.Parse("https://some-issuer.com/some/path")),
method: http.MethodGet,
path: "/some/path/that/is/not/the/well-known/path",
wantStatus: http.StatusNotFound,
wantBody: map[string]string{
"error": "OIDC discovery not available (unknown issuer)",
},
},
{
name: "issuer path matches",
issuer: must(url.Parse("https://some-issuer.com/some/path")),
name: "happy path",
issuer: "https://some-issuer.com/some/path",
method: http.MethodGet,
path: "/some/path" + oidc.WellKnownURLPath,
wantStatus: http.StatusOK,
@ -80,7 +49,7 @@ func TestDiscovery(t *testing.T) {
},
{
name: "bad method",
issuer: must(url.Parse("https://some-issuer.com")),
issuer: "https://some-issuer.com",
method: http.MethodPost,
path: oidc.WellKnownURLPath,
wantStatus: http.StatusMethodNotAllowed,
@ -92,11 +61,7 @@ func TestDiscovery(t *testing.T) {
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
p := issuerprovider.New()
err := p.SetIssuer(test.issuer)
require.NoError(t, err)
handler := New(p)
handler := New(test.issuer)
req := httptest.NewRequest(test.method, test.path, nil)
rsp := httptest.NewRecorder()
handler.ServeHTTP(rsp, req)
@ -115,10 +80,3 @@ func TestDiscovery(t *testing.T) {
})
}
}
func must(u *url.URL, err error) *url.URL {
if err != nil {
panic(err)
}
return u
}

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@ -1,80 +0,0 @@
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
// Package issuerprovider provides a thread-safe type that can hold on to an OIDC issuer name.
package issuerprovider
import (
"net/url"
"strings"
"sync"
"go.pinniped.dev/internal/constable"
)
// Provider is a type that can hold onto an issuer value, which may be nil.
//
// It is thread-safe.
type Provider struct {
mu sync.RWMutex
issuer *url.URL
}
// New returns an empty Provider, i.e., one that holds a nil issuer.
func New() *Provider {
return &Provider{}
}
// SetIssuer validates and sets the provided issuer. If validation fails, SetIssuer will return
// an error.
func (p *Provider) SetIssuer(issuer *url.URL) error {
if err := p.validateIssuer(issuer); err != nil {
return err
}
p.setIssuer(issuer)
return nil
}
func (p *Provider) validateIssuer(issuer *url.URL) error {
if issuer == nil {
return nil
}
if issuer.Scheme != "https" && removeMeAfterWeNoLongerNeedHTTPIssuerSupport(issuer.Scheme) {
return constable.Error(`issuer must have "https" scheme`)
}
if issuer.User != nil {
return constable.Error(`issuer must not have username or password`)
}
if strings.HasSuffix(issuer.Path, "/") {
return constable.Error(`issuer must not have trailing slash in path`)
}
if issuer.RawQuery != "" {
return constable.Error(`issuer must not have query`)
}
if issuer.Fragment != "" {
return constable.Error(`issuer must not have fragment`)
}
return nil
}
func (p *Provider) setIssuer(issuer *url.URL) {
p.mu.Lock()
defer p.mu.Unlock()
p.issuer = issuer
}
func (p *Provider) GetIssuer() *url.URL {
p.mu.RLock()
defer p.mu.RUnlock()
return p.issuer
}
func removeMeAfterWeNoLongerNeedHTTPIssuerSupport(scheme string) bool {
return scheme != "http"
}

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@ -0,0 +1,115 @@
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package provider
import (
"net/http"
"net/url"
"strings"
"sync"
"k8s.io/klog/v2"
"go.pinniped.dev/internal/oidc"
"go.pinniped.dev/internal/oidc/discovery"
)
// Manager can manage multiple active OIDC providers. It acts as a request router for them.
//
// It is thread-safe.
type Manager struct {
mu sync.RWMutex
providerHandlers map[string]*providerHandler // map of issuer name to providerHandler
nextHandler http.Handler // the next handler in a chain, called when this manager didn't know how to handle a request
}
// New returns an empty Manager.
// nextHandler will be invoked for any requests that could not be handled by this manager's providers.
func NewManager(nextHandler http.Handler) *Manager {
return &Manager{providerHandlers: make(map[string]*providerHandler), nextHandler: nextHandler}
}
type providerHandler struct {
provider *OIDCProvider
discoveryHandler http.Handler
}
func (h *providerHandler) Issuer() *url.URL {
return h.provider.Issuer
}
// SetProviders adds or updates all the given providerHandlers using each provider's issuer string
// as the name of the provider to decide if it is an add or update operation.
//
// It also removes any providerHandlers that were previously added but were not passed in to
// the current invocation.
//
// This method assumes that all of the OIDCProvider arguments have already been validated
// by someone else before they are passed to this method.
func (c *Manager) SetProviders(oidcProviders ...*OIDCProvider) {
c.mu.Lock()
defer c.mu.Unlock()
// Add all of the incoming providers.
for _, incomingProvider := range oidcProviders {
issuerString := incomingProvider.Issuer.String()
c.providerHandlers[issuerString] = &providerHandler{
provider: incomingProvider,
discoveryHandler: discovery.New(issuerString),
}
klog.InfoS("oidc provider manager added or updated issuer", "issuer", issuerString)
}
// Remove any providers that we previously handled but no longer exist.
for issuerKey := range c.providerHandlers {
if !findIssuerInListOfProviders(issuerKey, oidcProviders) {
delete(c.providerHandlers, issuerKey)
klog.InfoS("oidc provider manager removed issuer", "issuer", issuerKey)
}
}
}
// ServeHTTP implements the http.Handler interface.
func (c *Manager) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
providerHandler := c.findProviderHandlerByIssuerURL(req.Host, req.URL.Path)
if providerHandler != nil {
if req.URL.Path == providerHandler.Issuer().Path+oidc.WellKnownURLPath {
providerHandler.discoveryHandler.ServeHTTP(resp, req)
return // handled!
}
klog.InfoS(
"oidc provider manager found issuer but could not handle request",
"method", req.Method,
"host", req.Host,
"path", req.URL.Path,
)
} else {
klog.InfoS(
"oidc provider manager could not find issuer to handle request",
"method", req.Method,
"host", req.Host,
"path", req.URL.Path,
)
}
// Didn't know how to handle this request, so send it along the chain for further processing.
c.nextHandler.ServeHTTP(resp, req)
}
func (c *Manager) findProviderHandlerByIssuerURL(host, path string) *providerHandler {
for _, providerHandler := range c.providerHandlers {
pi := providerHandler.Issuer()
// TODO do we need to compare scheme? not sure how to get it from the http.Request object
if host == pi.Host && strings.HasPrefix(path, pi.Path) { // TODO probably need better logic here? also maybe needs some of the logic from inside ServeMux
return providerHandler
}
}
return nil
}
func findIssuerInListOfProviders(issuer string, oidcProviders []*OIDCProvider) bool {
for _, provider := range oidcProviders {
if provider.Issuer.String() == issuer {
return true
}
}
return false
}

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@ -0,0 +1,50 @@
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package provider
import (
"net/url"
"strings"
"go.pinniped.dev/internal/constable"
)
// OIDCProvider represents all of the settings and state for an OIDC provider.
type OIDCProvider struct {
Issuer *url.URL
}
// Validate returns an error if there is anything wrong with the provider settings, or
// returns nil if there is nothing wrong with the settings.
func (p *OIDCProvider) Validate() error {
if p.Issuer == nil {
return constable.Error(`provider must have an issuer`)
}
if p.Issuer.Scheme != "https" && p.removeMeAfterWeNoLongerNeedHTTPIssuerSupport(p.Issuer.Scheme) {
return constable.Error(`issuer must have "https" scheme`)
}
if p.Issuer.User != nil {
return constable.Error(`issuer must not have username or password`)
}
if strings.HasSuffix(p.Issuer.Path, "/") {
return constable.Error(`issuer must not have trailing slash in path`)
}
if p.Issuer.RawQuery != "" {
return constable.Error(`issuer must not have query`)
}
if p.Issuer.Fragment != "" {
return constable.Error(`issuer must not have fragment`)
}
return nil
}
func (p *OIDCProvider) removeMeAfterWeNoLongerNeedHTTPIssuerSupport(scheme string) bool {
return scheme != "http"
}

View File

@ -1,7 +1,7 @@
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package issuerprovider
package provider
import (
"net/url"
@ -10,15 +10,16 @@ import (
"github.com/stretchr/testify/require"
)
func TestProvider(t *testing.T) {
func TestOIDCProviderValidations(t *testing.T) {
tests := []struct {
name string
issuer *url.URL
wantError string
}{
{
name: "nil issuer",
issuer: nil,
name: "provider must have an issuer",
issuer: nil,
wantError: "provider must have an issuer",
},
{
name: "no scheme",
@ -67,14 +68,12 @@ func TestProvider(t *testing.T) {
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
p := New()
err := p.SetIssuer(tt.issuer)
p := OIDCProvider{Issuer: tt.issuer}
err := p.Validate()
if tt.wantError != "" {
require.EqualError(t, err, tt.wantError)
require.Nil(t, p.GetIssuer())
} else {
require.NoError(t, err)
require.Equal(t, tt.issuer, p.GetIssuer())
}
})
}

View File

@ -13,9 +13,11 @@ import (
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"go.pinniped.dev/generated/1.19/apis/config/v1alpha1"
pinnipedclientset "go.pinniped.dev/generated/1.19/client/clientset/versioned"
"go.pinniped.dev/internal/here"
"go.pinniped.dev/test/library"
)
@ -24,7 +26,6 @@ func TestSupervisorOIDCDiscovery(t *testing.T) {
env := library.IntegrationEnv(t)
client := library.NewPinnipedClientset(t)
httpClient := &http.Client{}
ns := env.SupervisorNamespace
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
@ -32,7 +33,6 @@ func TestSupervisorOIDCDiscovery(t *testing.T) {
// Temporarily remove any existing OIDCProviderConfigs from the cluster so we can test from a clean slate.
originalConfigList, err := client.ConfigV1alpha1().OIDCProviderConfigs(ns).List(ctx, metav1.ListOptions{})
require.NoError(t, err)
for _, config := range originalConfigList.Items {
err := client.ConfigV1alpha1().OIDCProviderConfigs(ns).Delete(ctx, config.Name, metav1.DeleteOptions{})
require.NoError(t, err)
@ -52,51 +52,85 @@ func TestSupervisorOIDCDiscovery(t *testing.T) {
})
// Test that there is no default discovery endpoint available when there are no OIDCProviderConfigs.
requireDiscoveryEndpointIsNotFound(t, fmt.Sprintf("http://%s", env.SupervisorAddress))
// Define several unique issuer strings.
issuer1 := fmt.Sprintf("http://%s/nested/issuer1", env.SupervisorAddress)
issuer2 := fmt.Sprintf("http://%s/nested/issuer2", env.SupervisorAddress)
issuer3 := fmt.Sprintf("http://%s/issuer3", env.SupervisorAddress)
issuer4 := fmt.Sprintf("http://%s/issuer4", env.SupervisorAddress)
// When OIDCProviderConfig are created in sequence they each cause a discovery endpoint to appear only for as long as the OIDCProviderConfig exists.
createdOIDCProviderConfig1 := requireCreatingOIDCProviderConfigCausesWellKnownEndpointToAppear(t, client, ns, issuer1, "from-integration-test1")
requireDeletingOIDCProviderConfigCausesWellKnownEndpointToDisappear(t, createdOIDCProviderConfig1, client, ns, issuer1)
createdOIDCProviderConfig2 := requireCreatingOIDCProviderConfigCausesWellKnownEndpointToAppear(t, client, ns, issuer2, "from-integration-test2")
requireDeletingOIDCProviderConfigCausesWellKnownEndpointToDisappear(t, createdOIDCProviderConfig2, client, ns, issuer2)
// When multiple OIDCProviderConfigs exist at the same time they each serve a unique discovery endpoint.
createdOIDCProviderConfig3 := requireCreatingOIDCProviderConfigCausesWellKnownEndpointToAppear(t, client, ns, issuer3, "from-integration-test3")
createdOIDCProviderConfig4 := requireCreatingOIDCProviderConfigCausesWellKnownEndpointToAppear(t, client, ns, issuer4, "from-integration-test4")
requireWellKnownEndpointIsWorking(t, issuer3) // discovery for issuer3 is still working after issuer4 started working
// When they are deleted they stop serving discovery endpoints.
requireDeletingOIDCProviderConfigCausesWellKnownEndpointToDisappear(t, createdOIDCProviderConfig3, client, ns, issuer2)
requireDeletingOIDCProviderConfigCausesWellKnownEndpointToDisappear(t, createdOIDCProviderConfig4, client, ns, issuer2)
}
func requireDiscoveryEndpointIsNotFound(t *testing.T, issuerName string) {
t.Helper()
httpClient := &http.Client{}
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
requestNonExistentPath, err := http.NewRequestWithContext(
ctx,
http.MethodGet,
fmt.Sprintf("http://%s/.well-known/openid-configuration", env.SupervisorAddress),
fmt.Sprintf("%s/.well-known/openid-configuration", issuerName),
nil,
)
var response *http.Response
assert.Eventually(t, func() bool {
response, err = httpClient.Do(requestNonExistentPath) //nolint:bodyclose
return err == nil && response.StatusCode == http.StatusNotFound
}, 10*time.Second, 200*time.Millisecond)
require.NoError(t, err)
notFoundResponse, err := httpClient.Do(requestNonExistentPath)
require.Equal(t, http.StatusNotFound, response.StatusCode)
err = response.Body.Close()
require.NoError(t, err)
require.Equal(t, 404, notFoundResponse.StatusCode)
err = notFoundResponse.Body.Close()
}
func requireCreatingOIDCProviderConfigCausesWellKnownEndpointToAppear(t *testing.T, client pinnipedclientset.Interface, ns string, issuerName string, oidcProviderConfigName string) *v1alpha1.OIDCProviderConfig {
t.Helper()
newOIDCProviderConfig := createOIDCProviderConfig(t, oidcProviderConfigName, client, ns, issuerName)
requireWellKnownEndpointIsWorking(t, issuerName)
return newOIDCProviderConfig
}
func requireDeletingOIDCProviderConfigCausesWellKnownEndpointToDisappear(t *testing.T, existingOIDCProviderConfig *v1alpha1.OIDCProviderConfig, client pinnipedclientset.Interface, ns string, issuerName string) {
t.Helper()
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
// Delete the OIDCProviderConfig.
err := client.ConfigV1alpha1().OIDCProviderConfigs(ns).Delete(ctx, existingOIDCProviderConfig.Name, metav1.DeleteOptions{})
require.NoError(t, err)
// Create a new OIDCProviderConfig with a known issuer.
issuer := fmt.Sprintf("http://%s/nested/issuer", env.SupervisorAddress)
newOIDCProviderConfig := v1alpha1.OIDCProviderConfig{
TypeMeta: metav1.TypeMeta{
Kind: "OIDCProviderConfig",
APIVersion: v1alpha1.SchemeGroupVersion.String(),
},
ObjectMeta: metav1.ObjectMeta{
Name: "nested-issuser-config-from-integration-test",
Namespace: ns,
},
Spec: v1alpha1.OIDCProviderConfigSpec{
Issuer: issuer,
},
}
_, err = client.ConfigV1alpha1().OIDCProviderConfigs(ns).Create(ctx, &newOIDCProviderConfig, metav1.CreateOptions{})
require.NoError(t, err)
// Fetch that same discovery endpoint as before, but now it should not exist anymore. Give it some time for the endpoint to go away.
requireDiscoveryEndpointIsNotFound(t, issuerName)
}
// When this test has finished, clean up the new OIDCProviderConfig.
t.Cleanup(func() {
cleanupCtx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
func requireWellKnownEndpointIsWorking(t *testing.T, issuerName string) {
t.Helper()
httpClient := &http.Client{}
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
err = client.ConfigV1alpha1().OIDCProviderConfigs(ns).Delete(cleanupCtx, newOIDCProviderConfig.Name, metav1.DeleteOptions{})
require.NoError(t, err)
})
// Define a request to the new discovery endpoint which should have been created for the above OIDCProviderConfig.
// Define a request to the new discovery endpoint which should have been created by an OIDCProviderConfig.
requestDiscoveryEndpoint, err := http.NewRequestWithContext(
ctx,
http.MethodGet,
fmt.Sprintf("http://%s/nested/issuer/.well-known/openid-configuration", env.SupervisorAddress),
fmt.Sprintf("%s/.well-known/openid-configuration", issuerName),
nil,
)
require.NoError(t, err)
@ -104,7 +138,7 @@ func TestSupervisorOIDCDiscovery(t *testing.T) {
// Fetch that discovery endpoint. Give it some time for the endpoint to come into existence.
var response *http.Response
assert.Eventually(t, func() bool {
response, err = httpClient.Do(requestDiscoveryEndpoint) //nolint:bodyclose // the body is closed below after it is read
response, err = httpClient.Do(requestDiscoveryEndpoint) //nolint:bodyclose
return err == nil && response.StatusCode == http.StatusOK
}, 10*time.Second, 200*time.Millisecond)
require.NoError(t, err)
@ -129,8 +163,45 @@ func TestSupervisorOIDCDiscovery(t *testing.T) {
"subject_types_supported": ["public"],
"id_token_signing_alg_values_supported": ["RS256"]
}`)
expectedJSON := fmt.Sprintf(expectedResultTemplate, issuer, issuer, issuer, issuer)
expectedJSON := fmt.Sprintf(expectedResultTemplate, issuerName, issuerName, issuerName, issuerName)
require.Equal(t, "application/json", response.Header.Get("content-type"))
require.JSONEq(t, expectedJSON, string(responseBody))
}
func createOIDCProviderConfig(t *testing.T, oidcProviderConfigName string, client pinnipedclientset.Interface, ns string, issuerName string) *v1alpha1.OIDCProviderConfig {
t.Helper()
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
newOIDCProviderConfig := v1alpha1.OIDCProviderConfig{
TypeMeta: metav1.TypeMeta{
Kind: "OIDCProviderConfig",
APIVersion: v1alpha1.SchemeGroupVersion.String(),
},
ObjectMeta: metav1.ObjectMeta{
Name: oidcProviderConfigName,
Namespace: ns,
},
Spec: v1alpha1.OIDCProviderConfigSpec{
Issuer: issuerName,
},
}
createdOIDCProviderConfig, err := client.ConfigV1alpha1().OIDCProviderConfigs(ns).Create(ctx, &newOIDCProviderConfig, metav1.CreateOptions{})
require.NoError(t, err)
// When this test has finished, be sure to clean up the new OIDCProviderConfig.
t.Cleanup(func() {
cleanupCtx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
err = client.ConfigV1alpha1().OIDCProviderConfigs(ns).Delete(cleanupCtx, newOIDCProviderConfig.Name, metav1.DeleteOptions{})
notFound := k8serrors.IsNotFound(err)
// It's okay if it is not found, because it might have been deleted by another part of this test.
if !notFound {
require.NoError(t, err)
}
})
return createdOIDCProviderConfig
}