796 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			796 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			Go
		
	
	
	
package middleware
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import (
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	"context"
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	"errors"
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	"fmt"
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	"net/http"
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	"net/http/httptest"
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	"sync"
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	"time"
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	middlewareapi "github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/middleware"
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	sessionsapi "github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/sessions"
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	"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/clock"
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	"github.com/oauth2-proxy/oauth2-proxy/v7/providers"
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	. "github.com/onsi/ginkgo"
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	. "github.com/onsi/ginkgo/extensions/table"
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	. "github.com/onsi/gomega"
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)
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type testLock struct {
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	locked          bool
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	obtainOnAttempt int
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	obtainAttempts  int
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	obtainError     error
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}
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func (l *testLock) Obtain(_ context.Context, _ time.Duration) error {
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	l.obtainAttempts++
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	if l.obtainAttempts < l.obtainOnAttempt {
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		return sessionsapi.ErrLockNotObtained
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	}
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	if l.obtainError != nil {
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		return l.obtainError
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	}
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	l.locked = true
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	return nil
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}
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func (l *testLock) Peek(_ context.Context) (bool, error) {
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	return l.locked, nil
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}
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func (l *testLock) Refresh(_ context.Context, _ time.Duration) error {
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	return nil
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}
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func (l *testLock) Release(_ context.Context) error {
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	l.locked = false
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	return nil
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}
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type testLockConcurrent struct {
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	mu     sync.RWMutex
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	locked bool
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}
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func (l *testLockConcurrent) Obtain(_ context.Context, _ time.Duration) error {
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	l.mu.Lock()
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	defer l.mu.Unlock()
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	if l.locked {
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		return sessionsapi.ErrLockNotObtained
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	}
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	l.locked = true
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	return nil
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}
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func (l *testLockConcurrent) Peek(_ context.Context) (bool, error) {
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	l.mu.RLock()
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	defer l.mu.RUnlock()
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	return l.locked, nil
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}
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func (l *testLockConcurrent) Refresh(_ context.Context, _ time.Duration) error {
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	return nil
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}
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func (l *testLockConcurrent) Release(_ context.Context) error {
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	l.mu.Lock()
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	defer l.mu.Unlock()
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	l.locked = false
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	return nil
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}
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var _ = Describe("Stored Session Suite", func() {
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	const (
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		refresh        = "Refresh"
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		refreshed      = "Refreshed"
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		noRefresh      = "NoRefresh"
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		notImplemented = "NotImplemented"
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	)
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	var ctx = context.Background()
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	Context("StoredSessionLoader", func() {
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		now := time.Now()
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		createdPast := now.Add(-5 * time.Minute)
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		createdFuture := now.Add(5 * time.Minute)
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		var defaultRefreshFunc = func(_ context.Context, ss *sessionsapi.SessionState) (bool, error) {
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			switch ss.RefreshToken {
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			case refresh:
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				ss.RefreshToken = refreshed
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				return true, nil
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			case noRefresh:
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				return false, nil
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			default:
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				return false, errors.New("error refreshing session")
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			}
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		}
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		var defaultValidateFunc = func(_ context.Context, ss *sessionsapi.SessionState) bool {
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			return ss.AccessToken != "Invalid"
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		}
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		var defaultSessionStore = &fakeSessionStore{
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			LoadFunc: func(req *http.Request) (*sessionsapi.SessionState, error) {
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				switch req.Header.Get("Cookie") {
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				case "_oauth2_proxy=NoRefreshSession":
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					return &sessionsapi.SessionState{
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						RefreshToken: noRefresh,
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						CreatedAt:    &createdPast,
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						ExpiresOn:    &createdFuture,
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					}, nil
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				case "_oauth2_proxy=InvalidNoRefreshSession":
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					return &sessionsapi.SessionState{
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						AccessToken:  "Invalid",
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						RefreshToken: noRefresh,
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						CreatedAt:    &createdPast,
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						ExpiresOn:    &createdFuture,
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					}, nil
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				case "_oauth2_proxy=ExpiredNoRefreshSession":
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					return &sessionsapi.SessionState{
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						RefreshToken: noRefresh,
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						CreatedAt:    &createdPast,
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						ExpiresOn:    &createdPast,
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					}, nil
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				case "_oauth2_proxy=RefreshSession":
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					return &sessionsapi.SessionState{
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						RefreshToken: refresh,
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						CreatedAt:    &createdPast,
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						ExpiresOn:    &createdFuture,
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					}, nil
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				case "_oauth2_proxy=RefreshError":
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					return &sessionsapi.SessionState{
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						RefreshToken: "RefreshError",
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						CreatedAt:    &createdPast,
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						ExpiresOn:    &createdFuture,
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					}, nil
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				case "_oauth2_proxy=NonExistent":
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					return nil, fmt.Errorf("invalid cookie")
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				default:
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					return nil, nil
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				}
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			},
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		}
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		BeforeEach(func() {
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			clock.Set(now)
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		})
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		AfterEach(func() {
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			clock.Reset()
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		})
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		type storedSessionLoaderTableInput struct {
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			requestHeaders  http.Header
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			existingSession *sessionsapi.SessionState
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			expectedSession *sessionsapi.SessionState
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			store           sessionsapi.SessionStore
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			refreshPeriod   time.Duration
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			refreshSession  func(context.Context, *sessionsapi.SessionState) (bool, error)
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			validateSession func(context.Context, *sessionsapi.SessionState) bool
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		}
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		DescribeTable("when serving a request",
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			func(in storedSessionLoaderTableInput) {
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				scope := &middlewareapi.RequestScope{
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					Session: in.existingSession,
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				}
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				// Set up the request with the request header and a request scope
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				req := httptest.NewRequest("", "/", nil)
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				req.Header = in.requestHeaders
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				req = middlewareapi.AddRequestScope(req, scope)
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				rw := httptest.NewRecorder()
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				opts := &StoredSessionLoaderOptions{
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					SessionStore:    in.store,
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					RefreshPeriod:   in.refreshPeriod,
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					RefreshSession:  in.refreshSession,
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					ValidateSession: in.validateSession,
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				}
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				// Create the handler with a next handler that will capture the session
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				// from the scope
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				var gotSession *sessionsapi.SessionState
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				handler := NewStoredSessionLoader(opts)(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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					gotSession = middlewareapi.GetRequestScope(r).Session
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				}))
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				handler.ServeHTTP(rw, req)
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				Expect(gotSession).To(Equal(in.expectedSession))
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			},
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			Entry("with no cookie", storedSessionLoaderTableInput{
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				requestHeaders:  http.Header{},
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				existingSession: nil,
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				expectedSession: nil,
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				store:           defaultSessionStore,
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				refreshPeriod:   1 * time.Minute,
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				refreshSession:  defaultRefreshFunc,
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				validateSession: defaultValidateFunc,
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			}),
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			Entry("with an invalid cookie", storedSessionLoaderTableInput{
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				requestHeaders: http.Header{
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					"Cookie": []string{"_oauth2_proxy=NonExistent"},
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				},
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				existingSession: nil,
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				expectedSession: nil,
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				store:           defaultSessionStore,
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				refreshPeriod:   1 * time.Minute,
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				refreshSession:  defaultRefreshFunc,
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				validateSession: defaultValidateFunc,
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			}),
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			Entry("with an existing session", storedSessionLoaderTableInput{
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				requestHeaders: http.Header{
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					"Cookie": []string{"_oauth2_proxy=RefreshSession"},
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				},
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				existingSession: &sessionsapi.SessionState{
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					RefreshToken: "Existing",
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				},
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				expectedSession: &sessionsapi.SessionState{
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					RefreshToken: "Existing",
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				},
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				store:           defaultSessionStore,
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				refreshPeriod:   1 * time.Minute,
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				refreshSession:  defaultRefreshFunc,
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				validateSession: defaultValidateFunc,
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			}),
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			Entry("with a session that has not expired", storedSessionLoaderTableInput{
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				requestHeaders: http.Header{
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					"Cookie": []string{"_oauth2_proxy=NoRefreshSession"},
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				},
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				existingSession: nil,
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				expectedSession: &sessionsapi.SessionState{
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					RefreshToken: noRefresh,
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					CreatedAt:    &createdPast,
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					ExpiresOn:    &createdFuture,
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					Lock:         &sessionsapi.NoOpLock{},
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				},
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				store:           defaultSessionStore,
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				refreshPeriod:   1 * time.Minute,
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				refreshSession:  defaultRefreshFunc,
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				validateSession: defaultValidateFunc,
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			}),
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			Entry("with a session that cannot refresh and has expired", storedSessionLoaderTableInput{
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				requestHeaders: http.Header{
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					"Cookie": []string{"_oauth2_proxy=ExpiredNoRefreshSession"},
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				},
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				existingSession: nil,
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				expectedSession: nil,
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				store:           defaultSessionStore,
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				refreshPeriod:   1 * time.Minute,
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				refreshSession:  defaultRefreshFunc,
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				validateSession: defaultValidateFunc,
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			}),
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			Entry("with a session that can refresh, but is younger than refresh period", storedSessionLoaderTableInput{
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				requestHeaders: http.Header{
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					"Cookie": []string{"_oauth2_proxy=RefreshSession"},
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				},
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				existingSession: nil,
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				expectedSession: &sessionsapi.SessionState{
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					RefreshToken: refresh,
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					CreatedAt:    &createdPast,
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					ExpiresOn:    &createdFuture,
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				},
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				store:           defaultSessionStore,
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				refreshPeriod:   10 * time.Minute,
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				refreshSession:  defaultRefreshFunc,
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				validateSession: defaultValidateFunc,
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			}),
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			Entry("with a session that can refresh and is older than the refresh period", storedSessionLoaderTableInput{
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				requestHeaders: http.Header{
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					"Cookie": []string{"_oauth2_proxy=RefreshSession"},
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				},
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				existingSession: nil,
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				expectedSession: &sessionsapi.SessionState{
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					RefreshToken: "Refreshed",
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					CreatedAt:    &now,
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					ExpiresOn:    &createdFuture,
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					Lock:         &sessionsapi.NoOpLock{},
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				},
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				store:           defaultSessionStore,
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				refreshPeriod:   1 * time.Minute,
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				refreshSession:  defaultRefreshFunc,
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				validateSession: defaultValidateFunc,
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			}),
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			Entry("when the provider refresh fails but validation succeeds", storedSessionLoaderTableInput{
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				requestHeaders: http.Header{
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					"Cookie": []string{"_oauth2_proxy=RefreshError"},
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				},
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				existingSession: nil,
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				expectedSession: &sessionsapi.SessionState{
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					RefreshToken: "RefreshError",
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					CreatedAt:    &createdPast,
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					ExpiresOn:    &createdFuture,
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					Lock:         &sessionsapi.NoOpLock{},
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				},
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				store:           defaultSessionStore,
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				refreshPeriod:   1 * time.Minute,
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				refreshSession:  defaultRefreshFunc,
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				validateSession: defaultValidateFunc,
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			}),
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			Entry("when the provider refresh fails and validation fails", storedSessionLoaderTableInput{
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				requestHeaders: http.Header{
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					"Cookie": []string{"_oauth2_proxy=RefreshError"},
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				},
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				existingSession: nil,
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				expectedSession: nil,
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				store:           defaultSessionStore,
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				refreshPeriod:   1 * time.Minute,
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				refreshSession:  defaultRefreshFunc,
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				validateSession: func(context.Context, *sessionsapi.SessionState) bool { return false },
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			}),
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			Entry("when the session is not refreshed and is no longer valid", storedSessionLoaderTableInput{
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				requestHeaders: http.Header{
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					"Cookie": []string{"_oauth2_proxy=InvalidNoRefreshSession"},
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				},
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				existingSession: nil,
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				expectedSession: nil,
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				store:           defaultSessionStore,
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				refreshPeriod:   1 * time.Minute,
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				refreshSession:  defaultRefreshFunc,
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				validateSession: defaultValidateFunc,
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			}),
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		)
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		type storedSessionLoaderConcurrentTableInput struct {
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			existingSession *sessionsapi.SessionState
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			refreshPeriod   time.Duration
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			numConcReqs     int
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		}
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		DescribeTable("when serving concurrent requests",
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			func(in storedSessionLoaderConcurrentTableInput) {
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				lockConc := &testLockConcurrent{}
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				lock := &sync.RWMutex{}
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				existingSession := *in.existingSession // deep copy existingSession state
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				existingSession.Lock = lockConc
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				store := &fakeSessionStore{
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					LoadFunc: func(req *http.Request) (*sessionsapi.SessionState, error) {
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						lock.RLock()
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						defer lock.RUnlock()
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						session := existingSession
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						return &session, nil
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					},
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					SaveFunc: func(_ http.ResponseWriter, _ *http.Request, session *sessionsapi.SessionState) error {
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						lock.Lock()
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						defer lock.Unlock()
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						existingSession = *session
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						return nil
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					},
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				}
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				refreshedChan := make(chan bool, in.numConcReqs)
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				for i := 0; i < in.numConcReqs; i++ {
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					go func(refreshedChan chan bool, lockConc sessionsapi.Lock) {
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						scope := &middlewareapi.RequestScope{
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							Session: nil,
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						}
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						// Set up the request with the request header and a request scope
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						req := httptest.NewRequest("", "/", nil)
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						req = middlewareapi.AddRequestScope(req, scope)
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						rw := httptest.NewRecorder()
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						sessionRefreshed := false
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						opts := &StoredSessionLoaderOptions{
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							SessionStore:  store,
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							RefreshPeriod: in.refreshPeriod,
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							RefreshSession: func(ctx context.Context, s *sessionsapi.SessionState) (bool, error) {
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								time.Sleep(10 * time.Millisecond)
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								sessionRefreshed = true
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								return true, nil
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							},
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							ValidateSession: func(context.Context, *sessionsapi.SessionState) bool {
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								return true
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							},
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						}
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						handler := NewStoredSessionLoader(opts)(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
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						handler.ServeHTTP(rw, req)
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						refreshedChan <- sessionRefreshed
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					}(refreshedChan, lockConc)
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				}
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				var refreshedSlice []bool
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				for i := 0; i < in.numConcReqs; i++ {
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					refreshedSlice = append(refreshedSlice, <-refreshedChan)
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				}
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				sessionRefreshedCount := 0
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				for _, sessionRefreshed := range refreshedSlice {
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					if sessionRefreshed {
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						sessionRefreshedCount++
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					}
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				}
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				Expect(sessionRefreshedCount).To(Equal(1))
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			},
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			Entry("with two concurrent requests", storedSessionLoaderConcurrentTableInput{
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				existingSession: &sessionsapi.SessionState{
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					RefreshToken: refresh,
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					CreatedAt:    &createdPast,
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				},
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				numConcReqs:   2,
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				refreshPeriod: 1 * time.Minute,
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			}),
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			Entry("with 5 concurrent requests", storedSessionLoaderConcurrentTableInput{
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				existingSession: &sessionsapi.SessionState{
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					RefreshToken: refresh,
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					CreatedAt:    &createdPast,
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				},
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				numConcReqs:   5,
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				refreshPeriod: 1 * time.Minute,
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			}),
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			Entry("with one request", storedSessionLoaderConcurrentTableInput{
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				existingSession: &sessionsapi.SessionState{
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					RefreshToken: refresh,
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					CreatedAt:    &createdPast,
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				},
 | 
						|
				numConcReqs:   1,
 | 
						|
				refreshPeriod: 1 * time.Minute,
 | 
						|
			}),
 | 
						|
		)
 | 
						|
	})
 | 
						|
 | 
						|
	Context("refreshSessionIfNeeded", func() {
 | 
						|
		type refreshSessionIfNeededTableInput struct {
 | 
						|
			refreshPeriod            time.Duration
 | 
						|
			session                  *sessionsapi.SessionState
 | 
						|
			concurrentSessionRefresh bool
 | 
						|
			expectedErr              error
 | 
						|
			expectRefreshed          bool
 | 
						|
			expectValidated          bool
 | 
						|
			expectedLockObtained     bool
 | 
						|
		}
 | 
						|
 | 
						|
		createdPast := time.Now().Add(-5 * time.Minute)
 | 
						|
		createdFuture := time.Now().Add(5 * time.Minute)
 | 
						|
 | 
						|
		DescribeTable("with a session",
 | 
						|
			func(in refreshSessionIfNeededTableInput) {
 | 
						|
				refreshed := false
 | 
						|
				validated := false
 | 
						|
 | 
						|
				session := &sessionsapi.SessionState{}
 | 
						|
				*session = *in.session
 | 
						|
				if in.concurrentSessionRefresh {
 | 
						|
					// Update the session that Load returns.
 | 
						|
					// This simulates a concurrent refresh in the background.
 | 
						|
					session.CreatedAt = &createdFuture
 | 
						|
				}
 | 
						|
				store := &fakeSessionStore{
 | 
						|
					LoadFunc: func(req *http.Request) (*sessionsapi.SessionState, error) {
 | 
						|
						// Loading the session from the provider creates a new lock
 | 
						|
						session.Lock = &testLock{}
 | 
						|
						return session, nil
 | 
						|
					},
 | 
						|
					SaveFunc: func(_ http.ResponseWriter, _ *http.Request, s *sessionsapi.SessionState) error {
 | 
						|
						*session = *s
 | 
						|
						return nil
 | 
						|
					},
 | 
						|
				}
 | 
						|
 | 
						|
				s := &storedSessionLoader{
 | 
						|
					refreshPeriod: in.refreshPeriod,
 | 
						|
					store:         store,
 | 
						|
					sessionRefresher: func(_ context.Context, ss *sessionsapi.SessionState) (bool, error) {
 | 
						|
						refreshed = true
 | 
						|
						switch ss.RefreshToken {
 | 
						|
						case refresh:
 | 
						|
							return true, nil
 | 
						|
						case noRefresh:
 | 
						|
							return false, nil
 | 
						|
						case notImplemented:
 | 
						|
							return false, providers.ErrNotImplemented
 | 
						|
						default:
 | 
						|
							return false, errors.New("error refreshing session")
 | 
						|
						}
 | 
						|
					},
 | 
						|
					sessionValidator: func(_ context.Context, ss *sessionsapi.SessionState) bool {
 | 
						|
						validated = true
 | 
						|
						return ss.AccessToken != "Invalid"
 | 
						|
					},
 | 
						|
				}
 | 
						|
 | 
						|
				req := httptest.NewRequest("", "/", nil)
 | 
						|
				err := s.refreshSessionIfNeeded(nil, req, in.session)
 | 
						|
				if in.expectedErr != nil {
 | 
						|
					Expect(err).To(MatchError(in.expectedErr))
 | 
						|
				} else {
 | 
						|
					Expect(err).ToNot(HaveOccurred())
 | 
						|
				}
 | 
						|
				Expect(refreshed).To(Equal(in.expectRefreshed))
 | 
						|
				Expect(validated).To(Equal(in.expectValidated))
 | 
						|
				testLock, ok := in.session.Lock.(*testLock)
 | 
						|
				Expect(ok).To(Equal(true))
 | 
						|
 | 
						|
				if in.expectedLockObtained {
 | 
						|
					Expect(testLock.obtainAttempts).Should(BeNumerically(">", 0), "Expected at least one attempt at obtaining the session lock")
 | 
						|
				}
 | 
						|
				Expect(testLock.locked).To(BeFalse(), "Expected lock should always be released")
 | 
						|
			},
 | 
						|
			Entry("when the refresh period is 0, and the session does not need refreshing", refreshSessionIfNeededTableInput{
 | 
						|
				refreshPeriod: time.Duration(0),
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: refresh,
 | 
						|
					CreatedAt:    &createdFuture,
 | 
						|
					Lock:         &testLock{},
 | 
						|
				},
 | 
						|
				expectedErr:          nil,
 | 
						|
				expectRefreshed:      false,
 | 
						|
				expectValidated:      false,
 | 
						|
				expectedLockObtained: false,
 | 
						|
			}),
 | 
						|
			Entry("when the refresh period is 0, and the session needs refreshing", refreshSessionIfNeededTableInput{
 | 
						|
				refreshPeriod: time.Duration(0),
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: refresh,
 | 
						|
					CreatedAt:    &createdPast,
 | 
						|
					Lock:         &testLock{},
 | 
						|
				},
 | 
						|
				expectedErr:          nil,
 | 
						|
				expectRefreshed:      false,
 | 
						|
				expectValidated:      false,
 | 
						|
				expectedLockObtained: false,
 | 
						|
			}),
 | 
						|
			Entry("when the session does not need refreshing", refreshSessionIfNeededTableInput{
 | 
						|
				refreshPeriod: 1 * time.Minute,
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: refresh,
 | 
						|
					CreatedAt:    &createdFuture,
 | 
						|
					Lock:         &testLock{},
 | 
						|
				},
 | 
						|
				expectedErr:          nil,
 | 
						|
				expectRefreshed:      false,
 | 
						|
				expectValidated:      false,
 | 
						|
				expectedLockObtained: false,
 | 
						|
			}),
 | 
						|
			Entry("when the session is refreshed by the provider", refreshSessionIfNeededTableInput{
 | 
						|
				refreshPeriod: 1 * time.Minute,
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: refresh,
 | 
						|
					CreatedAt:    &createdPast,
 | 
						|
					Lock:         &testLock{},
 | 
						|
				},
 | 
						|
				expectedErr:          nil,
 | 
						|
				expectRefreshed:      true,
 | 
						|
				expectValidated:      true,
 | 
						|
				expectedLockObtained: true,
 | 
						|
			}),
 | 
						|
			Entry("when obtaining lock failed, but concurrent request refreshed", refreshSessionIfNeededTableInput{
 | 
						|
				refreshPeriod: 1 * time.Minute,
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: noRefresh,
 | 
						|
					CreatedAt:    &createdPast,
 | 
						|
					Lock: &testLock{
 | 
						|
						obtainOnAttempt: 4,
 | 
						|
					},
 | 
						|
				},
 | 
						|
				concurrentSessionRefresh: true,
 | 
						|
				expectedErr:              nil,
 | 
						|
				expectRefreshed:          false,
 | 
						|
				expectValidated:          false,
 | 
						|
				expectedLockObtained:     true,
 | 
						|
			}),
 | 
						|
			Entry("when obtaining lock failed with a valid session", refreshSessionIfNeededTableInput{
 | 
						|
				refreshPeriod: 1 * time.Minute,
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: noRefresh,
 | 
						|
					CreatedAt:    &createdPast,
 | 
						|
					Lock: &testLock{
 | 
						|
						obtainError: sessionsapi.ErrLockNotObtained,
 | 
						|
					},
 | 
						|
				},
 | 
						|
				expectedErr:          errors.New("timeout obtaining session lock"),
 | 
						|
				expectRefreshed:      false,
 | 
						|
				expectValidated:      false,
 | 
						|
				expectedLockObtained: true,
 | 
						|
			}),
 | 
						|
			Entry("when the session is not refreshed by the provider", refreshSessionIfNeededTableInput{
 | 
						|
				refreshPeriod: 1 * time.Minute,
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: noRefresh,
 | 
						|
					CreatedAt:    &createdPast,
 | 
						|
					ExpiresOn:    &createdFuture,
 | 
						|
					Lock:         &testLock{},
 | 
						|
				},
 | 
						|
				expectedErr:          nil,
 | 
						|
				expectRefreshed:      true,
 | 
						|
				expectValidated:      true,
 | 
						|
				expectedLockObtained: true,
 | 
						|
			}),
 | 
						|
			Entry("when the provider doesn't implement refresh", refreshSessionIfNeededTableInput{
 | 
						|
				refreshPeriod: 1 * time.Minute,
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: notImplemented,
 | 
						|
					CreatedAt:    &createdPast,
 | 
						|
					Lock:         &testLock{},
 | 
						|
				},
 | 
						|
				expectedErr:          nil,
 | 
						|
				expectRefreshed:      true,
 | 
						|
				expectValidated:      true,
 | 
						|
				expectedLockObtained: true,
 | 
						|
			}),
 | 
						|
			Entry("when the session is not refreshed by the provider", refreshSessionIfNeededTableInput{
 | 
						|
				refreshPeriod: 1 * time.Minute,
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					AccessToken:  "Invalid",
 | 
						|
					RefreshToken: noRefresh,
 | 
						|
					CreatedAt:    &createdPast,
 | 
						|
					ExpiresOn:    &createdFuture,
 | 
						|
					Lock:         &testLock{},
 | 
						|
				},
 | 
						|
				expectedErr:          errors.New("session is invalid"),
 | 
						|
				expectRefreshed:      true,
 | 
						|
				expectValidated:      true,
 | 
						|
				expectedLockObtained: true,
 | 
						|
			}),
 | 
						|
		)
 | 
						|
	})
 | 
						|
 | 
						|
	Context("refreshSession", func() {
 | 
						|
		type refreshSessionWithProviderTableInput struct {
 | 
						|
			session     *sessionsapi.SessionState
 | 
						|
			expectedErr error
 | 
						|
			expectSaved bool
 | 
						|
		}
 | 
						|
 | 
						|
		now := time.Now()
 | 
						|
 | 
						|
		DescribeTable("when refreshing with the provider",
 | 
						|
			func(in refreshSessionWithProviderTableInput) {
 | 
						|
				saved := false
 | 
						|
 | 
						|
				s := &storedSessionLoader{
 | 
						|
					store: &fakeSessionStore{
 | 
						|
						SaveFunc: func(_ http.ResponseWriter, _ *http.Request, ss *sessionsapi.SessionState) error {
 | 
						|
							saved = true
 | 
						|
							if ss.AccessToken == "NoSave" {
 | 
						|
								return errors.New("unable to save session")
 | 
						|
							}
 | 
						|
							return nil
 | 
						|
						},
 | 
						|
					},
 | 
						|
					sessionRefresher: func(_ context.Context, ss *sessionsapi.SessionState) (bool, error) {
 | 
						|
						switch ss.RefreshToken {
 | 
						|
						case refresh:
 | 
						|
							return true, nil
 | 
						|
						case noRefresh:
 | 
						|
							return false, nil
 | 
						|
						case notImplemented:
 | 
						|
							return false, providers.ErrNotImplemented
 | 
						|
						default:
 | 
						|
							return false, errors.New("error refreshing session")
 | 
						|
						}
 | 
						|
					},
 | 
						|
				}
 | 
						|
 | 
						|
				req := httptest.NewRequest("", "/", nil)
 | 
						|
				req = middlewareapi.AddRequestScope(req, &middlewareapi.RequestScope{})
 | 
						|
				err := s.refreshSession(nil, req, in.session)
 | 
						|
				if in.expectedErr != nil {
 | 
						|
					Expect(err).To(MatchError(in.expectedErr))
 | 
						|
				} else {
 | 
						|
					Expect(err).ToNot(HaveOccurred())
 | 
						|
				}
 | 
						|
				Expect(saved).To(Equal(in.expectSaved))
 | 
						|
			},
 | 
						|
			Entry("when the provider does not refresh the session", refreshSessionWithProviderTableInput{
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: noRefresh,
 | 
						|
				},
 | 
						|
				expectedErr: nil,
 | 
						|
				expectSaved: false,
 | 
						|
			}),
 | 
						|
			Entry("when the provider refreshes the session", refreshSessionWithProviderTableInput{
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: refresh,
 | 
						|
				},
 | 
						|
				expectedErr: nil,
 | 
						|
				expectSaved: true,
 | 
						|
			}),
 | 
						|
			Entry("when the provider doesn't implement refresh", refreshSessionWithProviderTableInput{
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: notImplemented,
 | 
						|
				},
 | 
						|
				expectedErr: nil,
 | 
						|
				expectSaved: true,
 | 
						|
			}),
 | 
						|
			Entry("when the provider returns an error", refreshSessionWithProviderTableInput{
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: "RefreshError",
 | 
						|
					CreatedAt:    &now,
 | 
						|
					ExpiresOn:    &now,
 | 
						|
				},
 | 
						|
				expectedErr: errors.New("error refreshing tokens: error refreshing session"),
 | 
						|
				expectSaved: false,
 | 
						|
			}),
 | 
						|
			Entry("when the saving the session returns an error", refreshSessionWithProviderTableInput{
 | 
						|
				session: &sessionsapi.SessionState{
 | 
						|
					RefreshToken: refresh,
 | 
						|
					AccessToken:  "NoSave",
 | 
						|
				},
 | 
						|
				expectedErr: errors.New("error saving session: unable to save session"),
 | 
						|
				expectSaved: true,
 | 
						|
			}),
 | 
						|
		)
 | 
						|
	})
 | 
						|
 | 
						|
	Context("validateSession", func() {
 | 
						|
		var s *storedSessionLoader
 | 
						|
 | 
						|
		BeforeEach(func() {
 | 
						|
			s = &storedSessionLoader{
 | 
						|
				sessionValidator: func(_ context.Context, ss *sessionsapi.SessionState) bool {
 | 
						|
					return ss.AccessToken == "Valid"
 | 
						|
				},
 | 
						|
			}
 | 
						|
		})
 | 
						|
 | 
						|
		Context("with a valid session", func() {
 | 
						|
			It("does not return an error", func() {
 | 
						|
				expires := time.Now().Add(1 * time.Minute)
 | 
						|
				session := &sessionsapi.SessionState{
 | 
						|
					AccessToken: "Valid",
 | 
						|
					ExpiresOn:   &expires,
 | 
						|
				}
 | 
						|
				Expect(s.validateSession(ctx, session)).To(Succeed())
 | 
						|
			})
 | 
						|
		})
 | 
						|
 | 
						|
		Context("with an expired session", func() {
 | 
						|
			It("returns an error", func() {
 | 
						|
				created := time.Now().Add(-5 * time.Minute)
 | 
						|
				expires := time.Now().Add(-1 * time.Minute)
 | 
						|
				session := &sessionsapi.SessionState{
 | 
						|
					AccessToken: "Valid",
 | 
						|
					CreatedAt:   &created,
 | 
						|
					ExpiresOn:   &expires,
 | 
						|
				}
 | 
						|
				Expect(s.validateSession(ctx, session)).To(MatchError("session is expired"))
 | 
						|
			})
 | 
						|
		})
 | 
						|
 | 
						|
		Context("with an invalid session", func() {
 | 
						|
			It("returns an error", func() {
 | 
						|
				expires := time.Now().Add(1 * time.Minute)
 | 
						|
				session := &sessionsapi.SessionState{
 | 
						|
					AccessToken: "Invalid",
 | 
						|
					ExpiresOn:   &expires,
 | 
						|
				}
 | 
						|
				Expect(s.validateSession(ctx, session)).To(MatchError("session is invalid"))
 | 
						|
			})
 | 
						|
		})
 | 
						|
	})
 | 
						|
})
 | 
						|
 | 
						|
type fakeSessionStore struct {
 | 
						|
	SaveFunc  func(http.ResponseWriter, *http.Request, *sessionsapi.SessionState) error
 | 
						|
	LoadFunc  func(req *http.Request) (*sessionsapi.SessionState, error)
 | 
						|
	ClearFunc func(rw http.ResponseWriter, req *http.Request) error
 | 
						|
}
 | 
						|
 | 
						|
func (f *fakeSessionStore) Save(rw http.ResponseWriter, req *http.Request, s *sessionsapi.SessionState) error {
 | 
						|
	if f.SaveFunc != nil {
 | 
						|
		return f.SaveFunc(rw, req, s)
 | 
						|
	}
 | 
						|
	return nil
 | 
						|
}
 | 
						|
func (f *fakeSessionStore) Load(req *http.Request) (*sessionsapi.SessionState, error) {
 | 
						|
	if f.LoadFunc != nil {
 | 
						|
		return f.LoadFunc(req)
 | 
						|
	}
 | 
						|
	return nil, nil
 | 
						|
}
 | 
						|
 | 
						|
func (f *fakeSessionStore) Clear(rw http.ResponseWriter, req *http.Request) error {
 | 
						|
	if f.ClearFunc != nil {
 | 
						|
		return f.ClearFunc(rw, req)
 | 
						|
	}
 | 
						|
	return nil
 | 
						|
}
 |