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mirror of https://github.com/oauth2-proxy/oauth2-proxy.git synced 2024-11-28 09:08:44 +02:00
oauth2-proxy/pkg/middleware/stored_session_test.go
Kobi Meirson f753ec1ca5
feat: readiness check (#1839)
* feat: readiness check

* fix: no need for query param

* docs: add a note

* chore: move the readyness check to its own endpoint

* docs(cr): add godoc

Co-authored-by: Joel Speed <Joel.speed@hotmail.co.uk>
2022-12-23 09:08:12 +00:00

800 lines
24 KiB
Go

package middleware
import (
"context"
"errors"
"fmt"
"net/http"
"net/http/httptest"
"sync"
"time"
middlewareapi "github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/middleware"
sessionsapi "github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/sessions"
"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/clock"
"github.com/oauth2-proxy/oauth2-proxy/v7/providers"
. "github.com/onsi/ginkgo"
. "github.com/onsi/ginkgo/extensions/table"
. "github.com/onsi/gomega"
)
type testLock struct {
locked bool
obtainOnAttempt int
obtainAttempts int
obtainError error
}
func (l *testLock) Obtain(_ context.Context, _ time.Duration) error {
l.obtainAttempts++
if l.obtainAttempts < l.obtainOnAttempt {
return sessionsapi.ErrLockNotObtained
}
if l.obtainError != nil {
return l.obtainError
}
l.locked = true
return nil
}
func (l *testLock) Peek(_ context.Context) (bool, error) {
return l.locked, nil
}
func (l *testLock) Refresh(_ context.Context, _ time.Duration) error {
return nil
}
func (l *testLock) Release(_ context.Context) error {
l.locked = false
return nil
}
type testLockConcurrent struct {
mu sync.RWMutex
locked bool
}
func (l *testLockConcurrent) Obtain(_ context.Context, _ time.Duration) error {
l.mu.Lock()
defer l.mu.Unlock()
if l.locked {
return sessionsapi.ErrLockNotObtained
}
l.locked = true
return nil
}
func (l *testLockConcurrent) Peek(_ context.Context) (bool, error) {
l.mu.RLock()
defer l.mu.RUnlock()
return l.locked, nil
}
func (l *testLockConcurrent) Refresh(_ context.Context, _ time.Duration) error {
return nil
}
func (l *testLockConcurrent) Release(_ context.Context) error {
l.mu.Lock()
defer l.mu.Unlock()
l.locked = false
return nil
}
var _ = Describe("Stored Session Suite", func() {
const (
refresh = "Refresh"
refreshed = "Refreshed"
noRefresh = "NoRefresh"
notImplemented = "NotImplemented"
)
var ctx = context.Background()
Context("StoredSessionLoader", func() {
now := time.Now()
createdPast := now.Add(-5 * time.Minute)
createdFuture := now.Add(5 * time.Minute)
var defaultRefreshFunc = func(_ context.Context, ss *sessionsapi.SessionState) (bool, error) {
switch ss.RefreshToken {
case refresh:
ss.RefreshToken = refreshed
return true, nil
case noRefresh:
return false, nil
default:
return false, errors.New("error refreshing session")
}
}
var defaultValidateFunc = func(_ context.Context, ss *sessionsapi.SessionState) bool {
return ss.AccessToken != "Invalid"
}
var defaultSessionStore = &fakeSessionStore{
LoadFunc: func(req *http.Request) (*sessionsapi.SessionState, error) {
switch req.Header.Get("Cookie") {
case "_oauth2_proxy=NoRefreshSession":
return &sessionsapi.SessionState{
RefreshToken: noRefresh,
CreatedAt: &createdPast,
ExpiresOn: &createdFuture,
}, nil
case "_oauth2_proxy=InvalidNoRefreshSession":
return &sessionsapi.SessionState{
AccessToken: "Invalid",
RefreshToken: noRefresh,
CreatedAt: &createdPast,
ExpiresOn: &createdFuture,
}, nil
case "_oauth2_proxy=ExpiredNoRefreshSession":
return &sessionsapi.SessionState{
RefreshToken: noRefresh,
CreatedAt: &createdPast,
ExpiresOn: &createdPast,
}, nil
case "_oauth2_proxy=RefreshSession":
return &sessionsapi.SessionState{
RefreshToken: refresh,
CreatedAt: &createdPast,
ExpiresOn: &createdFuture,
}, nil
case "_oauth2_proxy=RefreshError":
return &sessionsapi.SessionState{
RefreshToken: "RefreshError",
CreatedAt: &createdPast,
ExpiresOn: &createdFuture,
}, nil
case "_oauth2_proxy=NonExistent":
return nil, fmt.Errorf("invalid cookie")
default:
return nil, nil
}
},
}
BeforeEach(func() {
clock.Set(now)
})
AfterEach(func() {
clock.Reset()
})
type storedSessionLoaderTableInput struct {
requestHeaders http.Header
existingSession *sessionsapi.SessionState
expectedSession *sessionsapi.SessionState
store sessionsapi.SessionStore
refreshPeriod time.Duration
refreshSession func(context.Context, *sessionsapi.SessionState) (bool, error)
validateSession func(context.Context, *sessionsapi.SessionState) bool
}
DescribeTable("when serving a request",
func(in storedSessionLoaderTableInput) {
scope := &middlewareapi.RequestScope{
Session: in.existingSession,
}
// Set up the request with the request header and a request scope
req := httptest.NewRequest("", "/", nil)
req.Header = in.requestHeaders
req = middlewareapi.AddRequestScope(req, scope)
rw := httptest.NewRecorder()
opts := &StoredSessionLoaderOptions{
SessionStore: in.store,
RefreshPeriod: in.refreshPeriod,
RefreshSession: in.refreshSession,
ValidateSession: in.validateSession,
}
// Create the handler with a next handler that will capture the session
// from the scope
var gotSession *sessionsapi.SessionState
handler := NewStoredSessionLoader(opts)(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
gotSession = middlewareapi.GetRequestScope(r).Session
}))
handler.ServeHTTP(rw, req)
Expect(gotSession).To(Equal(in.expectedSession))
},
Entry("with no cookie", storedSessionLoaderTableInput{
requestHeaders: http.Header{},
existingSession: nil,
expectedSession: nil,
store: defaultSessionStore,
refreshPeriod: 1 * time.Minute,
refreshSession: defaultRefreshFunc,
validateSession: defaultValidateFunc,
}),
Entry("with an invalid cookie", storedSessionLoaderTableInput{
requestHeaders: http.Header{
"Cookie": []string{"_oauth2_proxy=NonExistent"},
},
existingSession: nil,
expectedSession: nil,
store: defaultSessionStore,
refreshPeriod: 1 * time.Minute,
refreshSession: defaultRefreshFunc,
validateSession: defaultValidateFunc,
}),
Entry("with an existing session", storedSessionLoaderTableInput{
requestHeaders: http.Header{
"Cookie": []string{"_oauth2_proxy=RefreshSession"},
},
existingSession: &sessionsapi.SessionState{
RefreshToken: "Existing",
},
expectedSession: &sessionsapi.SessionState{
RefreshToken: "Existing",
},
store: defaultSessionStore,
refreshPeriod: 1 * time.Minute,
refreshSession: defaultRefreshFunc,
validateSession: defaultValidateFunc,
}),
Entry("with a session that has not expired", storedSessionLoaderTableInput{
requestHeaders: http.Header{
"Cookie": []string{"_oauth2_proxy=NoRefreshSession"},
},
existingSession: nil,
expectedSession: &sessionsapi.SessionState{
RefreshToken: noRefresh,
CreatedAt: &createdPast,
ExpiresOn: &createdFuture,
Lock: &sessionsapi.NoOpLock{},
},
store: defaultSessionStore,
refreshPeriod: 1 * time.Minute,
refreshSession: defaultRefreshFunc,
validateSession: defaultValidateFunc,
}),
Entry("with a session that cannot refresh and has expired", storedSessionLoaderTableInput{
requestHeaders: http.Header{
"Cookie": []string{"_oauth2_proxy=ExpiredNoRefreshSession"},
},
existingSession: nil,
expectedSession: nil,
store: defaultSessionStore,
refreshPeriod: 1 * time.Minute,
refreshSession: defaultRefreshFunc,
validateSession: defaultValidateFunc,
}),
Entry("with a session that can refresh, but is younger than refresh period", storedSessionLoaderTableInput{
requestHeaders: http.Header{
"Cookie": []string{"_oauth2_proxy=RefreshSession"},
},
existingSession: nil,
expectedSession: &sessionsapi.SessionState{
RefreshToken: refresh,
CreatedAt: &createdPast,
ExpiresOn: &createdFuture,
},
store: defaultSessionStore,
refreshPeriod: 10 * time.Minute,
refreshSession: defaultRefreshFunc,
validateSession: defaultValidateFunc,
}),
Entry("with a session that can refresh and is older than the refresh period", storedSessionLoaderTableInput{
requestHeaders: http.Header{
"Cookie": []string{"_oauth2_proxy=RefreshSession"},
},
existingSession: nil,
expectedSession: &sessionsapi.SessionState{
RefreshToken: "Refreshed",
CreatedAt: &now,
ExpiresOn: &createdFuture,
Lock: &sessionsapi.NoOpLock{},
},
store: defaultSessionStore,
refreshPeriod: 1 * time.Minute,
refreshSession: defaultRefreshFunc,
validateSession: defaultValidateFunc,
}),
Entry("when the provider refresh fails but validation succeeds", storedSessionLoaderTableInput{
requestHeaders: http.Header{
"Cookie": []string{"_oauth2_proxy=RefreshError"},
},
existingSession: nil,
expectedSession: &sessionsapi.SessionState{
RefreshToken: "RefreshError",
CreatedAt: &createdPast,
ExpiresOn: &createdFuture,
Lock: &sessionsapi.NoOpLock{},
},
store: defaultSessionStore,
refreshPeriod: 1 * time.Minute,
refreshSession: defaultRefreshFunc,
validateSession: defaultValidateFunc,
}),
Entry("when the provider refresh fails and validation fails", storedSessionLoaderTableInput{
requestHeaders: http.Header{
"Cookie": []string{"_oauth2_proxy=RefreshError"},
},
existingSession: nil,
expectedSession: nil,
store: defaultSessionStore,
refreshPeriod: 1 * time.Minute,
refreshSession: defaultRefreshFunc,
validateSession: func(context.Context, *sessionsapi.SessionState) bool { return false },
}),
Entry("when the session is not refreshed and is no longer valid", storedSessionLoaderTableInput{
requestHeaders: http.Header{
"Cookie": []string{"_oauth2_proxy=InvalidNoRefreshSession"},
},
existingSession: nil,
expectedSession: nil,
store: defaultSessionStore,
refreshPeriod: 1 * time.Minute,
refreshSession: defaultRefreshFunc,
validateSession: defaultValidateFunc,
}),
)
type storedSessionLoaderConcurrentTableInput struct {
existingSession *sessionsapi.SessionState
refreshPeriod time.Duration
numConcReqs int
}
DescribeTable("when serving concurrent requests",
func(in storedSessionLoaderConcurrentTableInput) {
lockConc := &testLockConcurrent{}
lock := &sync.RWMutex{}
existingSession := *in.existingSession // deep copy existingSession state
existingSession.Lock = lockConc
store := &fakeSessionStore{
LoadFunc: func(req *http.Request) (*sessionsapi.SessionState, error) {
lock.RLock()
defer lock.RUnlock()
session := existingSession
return &session, nil
},
SaveFunc: func(_ http.ResponseWriter, _ *http.Request, session *sessionsapi.SessionState) error {
lock.Lock()
defer lock.Unlock()
existingSession = *session
return nil
},
}
refreshedChan := make(chan bool, in.numConcReqs)
for i := 0; i < in.numConcReqs; i++ {
go func(refreshedChan chan bool, lockConc sessionsapi.Lock) {
scope := &middlewareapi.RequestScope{
Session: nil,
}
// Set up the request with the request header and a request scope
req := httptest.NewRequest("", "/", nil)
req = middlewareapi.AddRequestScope(req, scope)
rw := httptest.NewRecorder()
sessionRefreshed := false
opts := &StoredSessionLoaderOptions{
SessionStore: store,
RefreshPeriod: in.refreshPeriod,
RefreshSession: func(ctx context.Context, s *sessionsapi.SessionState) (bool, error) {
time.Sleep(10 * time.Millisecond)
sessionRefreshed = true
return true, nil
},
ValidateSession: func(context.Context, *sessionsapi.SessionState) bool {
return true
},
}
handler := NewStoredSessionLoader(opts)(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
handler.ServeHTTP(rw, req)
refreshedChan <- sessionRefreshed
}(refreshedChan, lockConc)
}
var refreshedSlice []bool
for i := 0; i < in.numConcReqs; i++ {
refreshedSlice = append(refreshedSlice, <-refreshedChan)
}
sessionRefreshedCount := 0
for _, sessionRefreshed := range refreshedSlice {
if sessionRefreshed {
sessionRefreshedCount++
}
}
Expect(sessionRefreshedCount).To(Equal(1))
},
Entry("with two concurrent requests", storedSessionLoaderConcurrentTableInput{
existingSession: &sessionsapi.SessionState{
RefreshToken: refresh,
CreatedAt: &createdPast,
},
numConcReqs: 2,
refreshPeriod: 1 * time.Minute,
}),
Entry("with 5 concurrent requests", storedSessionLoaderConcurrentTableInput{
existingSession: &sessionsapi.SessionState{
RefreshToken: refresh,
CreatedAt: &createdPast,
},
numConcReqs: 5,
refreshPeriod: 1 * time.Minute,
}),
Entry("with one request", storedSessionLoaderConcurrentTableInput{
existingSession: &sessionsapi.SessionState{
RefreshToken: refresh,
CreatedAt: &createdPast,
},
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
}
func (f *fakeSessionStore) VerifyConnection(_ context.Context) error {
return nil
}