vibe-proxy/backend/internal/auth/claude/anthropic_auth_test.go
2026-08-24 00:10:41 +02:00

540 lines
19 KiB
Go

package claude
import (
"context"
"io"
"net/http"
"strings"
"sync"
"sync/atomic"
"testing"
"time"
)
type roundTripFunc func(*http.Request) (*http.Response, error)
func (f roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
return f(req)
}
func TestNewAnthropicHttpClientDoesNotSetRequestTimeout(t *testing.T) {
if got := NewAnthropicHttpClient(nil).Timeout; got != 0 {
t.Fatalf("HTTP client timeout = %s, want zero", got)
}
}
func TestRefreshTokens_UsesIndependentTimeout(t *testing.T) {
resetClaudeRefreshState()
defer resetClaudeRefreshState()
callerCtx, cancelCaller := context.WithCancel(context.Background())
cancelCaller()
var requestDeadline time.Time
auth := &ClaudeAuth{
httpClient: &http.Client{
Transport: roundTripFunc(func(req *http.Request) (*http.Response, error) {
var ok bool
requestDeadline, ok = req.Context().Deadline()
if !ok {
t.Fatal("refresh request has no deadline")
}
if errContext := req.Context().Err(); errContext != nil {
t.Fatalf("refresh request context is already done: %v", errContext)
}
return &http.Response{
StatusCode: http.StatusBadRequest,
Body: io.NopCloser(strings.NewReader(`{"error":"probe"}`)),
Header: make(http.Header),
Request: req,
}, nil
}),
},
}
_, err := auth.RefreshTokens(callerCtx, "independent-timeout-token")
if err == nil {
t.Fatal("expected refresh error")
}
if requestDeadline.IsZero() || !requestDeadline.After(time.Now()) {
t.Fatalf("refresh deadline = %v, want a future deadline", requestDeadline)
}
}
// jsonResponse builds a canned control-plane response for the fake transport.
func jsonResponse(req *http.Request, body string) *http.Response {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(body)),
Header: make(http.Header),
Request: req,
}
}
func TestExchangeCodeForTokensPersistsUpstreamAccountAndDevicePool(t *testing.T) {
auth := &ClaudeAuth{
httpClient: &http.Client{
Transport: roundTripFunc(func(req *http.Request) (*http.Response, error) {
switch req.URL.String() {
case TokenURL:
if req.Method != http.MethodPost {
t.Fatalf("token request = %s %s, want POST %s", req.Method, req.URL, TokenURL)
}
return jsonResponse(req, `{
"access_token":"access",
"refresh_token":"refresh",
"token_type":"Bearer",
"expires_in":3600,
"account":{"uuid":"aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa","email_address":"user@example.com"},
"organization":{"uuid":"bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb","name":"Example Org"}
}`), nil
case ProfileURL:
return jsonResponse(req, `{
"account":{"uuid":"aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa","email":"user@example.com"},
"organization":{"uuid":"bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb","name":"Example Org"}
}`), nil
case RolesURL:
return jsonResponse(req, `{"roles":[]}`), nil
default:
t.Fatalf("unexpected OAuth request URL %s", req.URL)
return nil, nil
}
}),
},
}
bundle, errExchange := auth.ExchangeCodeForTokens(context.Background(), "code", "state", &PKCECodes{CodeVerifier: "verifier"})
if errExchange != nil {
t.Fatalf("ExchangeCodeForTokens() error = %v", errExchange)
}
if bundle.TokenData.AccountUUID != "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa" {
t.Fatalf("account UUID = %q, want OAuth response account", bundle.TokenData.AccountUUID)
}
if bundle.TokenData.OrganizationUUID != "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb" || bundle.TokenData.OrganizationName != "Example Org" {
t.Fatalf("organization = %q/%q, want OAuth response organization", bundle.TokenData.OrganizationUUID, bundle.TokenData.OrganizationName)
}
if len(bundle.DeviceIDs) != ClaudeDevicePoolSize {
t.Fatalf("device pool length = %d, want %d", len(bundle.DeviceIDs), ClaudeDevicePoolSize)
}
storage := auth.CreateTokenStorage(bundle)
if storage.AccountUUID != bundle.TokenData.AccountUUID || storage.OrganizationUUID != bundle.TokenData.OrganizationUUID {
t.Fatalf("storage account identity = %#v, want bundle identity", storage)
}
if len(storage.DeviceIDs) != ClaudeDevicePoolSize {
t.Fatalf("storage device pool length = %d, want %d", len(storage.DeviceIDs), ClaudeDevicePoolSize)
}
}
func TestExchangeCodeForTokensUsesNative220ControlPlaneShape(t *testing.T) {
var order []string
headers := make(map[string]http.Header)
var tokenBody []byte
auth := &ClaudeAuth{
httpClient: &http.Client{
Transport: roundTripFunc(func(req *http.Request) (*http.Response, error) {
order = append(order, req.URL.String())
headers[req.URL.String()] = req.Header.Clone()
if !req.Close {
t.Fatalf("%s request Close = false, want true", req.URL)
}
switch req.URL.String() {
case TokenURL:
if req.URL.Host != "platform.claude.com" {
t.Fatalf("exchange host = %q, want platform.claude.com", req.URL.Host)
}
body, errRead := io.ReadAll(req.Body)
if errRead != nil {
t.Fatal(errRead)
}
tokenBody = body
return jsonResponse(req, `{"access_token":"access","refresh_token":"refresh","expires_in":28800}`), nil
case ProfileURL, RolesURL:
if req.Method != http.MethodGet {
t.Fatalf("%s method = %s, want GET", req.URL, req.Method)
}
if req.URL.String() == ProfileURL {
return jsonResponse(req, `{
"account":{"uuid":"aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa","email":"user@example.com"},
"organization":{"uuid":"bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb","name":"Example Org"}
}`), nil
}
return jsonResponse(req, `{"roles":["claude_code_user"]}`), nil
default:
t.Fatalf("unexpected OAuth request URL %s", req.URL)
return nil, nil
}
}),
},
}
bundle, errExchange := auth.ExchangeCodeForTokens(t.Context(), "auth-code", "state-value", &PKCECodes{CodeVerifier: "verifier"})
if errExchange != nil {
t.Fatalf("ExchangeCodeForTokens() error = %v", errExchange)
}
wantOrder := []string{TokenURL, ProfileURL, RolesURL}
if len(order) != len(wantOrder) {
t.Fatalf("request order = %v, want %v", order, wantOrder)
}
for i, want := range wantOrder {
if order[i] != want {
t.Fatalf("request order = %v, want %v", order, wantOrder)
}
}
// Key order mirrors the captured native exchange body.
wantBody := `{"grant_type":"authorization_code","code":"auth-code","redirect_uri":"` + RedirectURI + `","client_id":"` + ClientID + `","code_verifier":"verifier","state":"state-value"}`
if got := string(tokenBody); got != wantBody {
t.Fatalf("exchange body = %q, want %q", got, wantBody)
}
wantAxios := map[string]string{
"Accept": "application/json, text/plain, */*",
"Content-Type": "application/json",
"User-Agent": "axios/1.15.2",
"Accept-Encoding": "gzip, compress, deflate, br",
"Connection": "close",
}
for _, endpoint := range wantOrder {
for name, want := range wantAxios {
if got := headers[endpoint].Get(name); got != want {
t.Fatalf("%s %s = %q, want %q", endpoint, name, got, want)
}
}
}
if got := headers[TokenURL].Get("Authorization"); got != "" {
t.Fatalf("exchange Authorization = %q, want unset", got)
}
for _, endpoint := range []string{ProfileURL, RolesURL} {
if got := headers[endpoint].Get("Authorization"); got != "Bearer access" {
t.Fatalf("%s Authorization = %q, want the freshly exchanged bearer token", endpoint, got)
}
if got := headers[endpoint].Get("Cache-Control"); got != "no-cache" {
t.Fatalf("%s Cache-Control = %q, want no-cache", endpoint, got)
}
}
if bundle.TokenData.AccountUUID != "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa" {
t.Fatalf("account UUID = %q, want the companion profile account", bundle.TokenData.AccountUUID)
}
if bundle.TokenData.OrganizationUUID != "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb" || bundle.TokenData.OrganizationName != "Example Org" {
t.Fatalf("organization = %q/%q, want the companion profile organization", bundle.TokenData.OrganizationUUID, bundle.TokenData.OrganizationName)
}
if bundle.TokenData.Email != "user@example.com" {
t.Fatalf("email = %q, want the companion profile email", bundle.TokenData.Email)
}
}
func TestExchangeCodeForTokensSurvivesCompanionLookupFailure(t *testing.T) {
auth := &ClaudeAuth{
httpClient: &http.Client{
Transport: roundTripFunc(func(req *http.Request) (*http.Response, error) {
if req.URL.String() == TokenURL {
return jsonResponse(req, `{
"access_token":"access",
"refresh_token":"refresh",
"expires_in":28800,
"account":{"uuid":"aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa","email_address":"token@example.com"},
"organization":{"uuid":"bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb","name":"Token Org"}
}`), nil
}
return &http.Response{
StatusCode: http.StatusServiceUnavailable,
Body: io.NopCloser(strings.NewReader(`{"error":"unavailable"}`)),
Header: make(http.Header),
Request: req,
}, nil
}),
},
}
bundle, errExchange := auth.ExchangeCodeForTokens(t.Context(), "code", "state", &PKCECodes{CodeVerifier: "verifier"})
if errExchange != nil {
t.Fatalf("companion lookup failure must not fail login, got %v", errExchange)
}
if bundle.TokenData.AccountUUID != "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa" || bundle.TokenData.Email != "token@example.com" {
t.Fatalf("token-response identity must survive companion failure, got %#v", bundle.TokenData)
}
if bundle.TokenData.OrganizationName != "Token Org" {
t.Fatalf("organization = %q, want token-response organization", bundle.TokenData.OrganizationName)
}
}
func TestRefreshTokensWithRetry_429BlocksImmediateReplay(t *testing.T) {
resetClaudeRefreshState()
defer resetClaudeRefreshState()
var calls int32
auth := &ClaudeAuth{
httpClient: &http.Client{
Transport: roundTripFunc(func(req *http.Request) (*http.Response, error) {
atomic.AddInt32(&calls, 1)
return &http.Response{
StatusCode: http.StatusTooManyRequests,
Body: io.NopCloser(strings.NewReader(`{"error":"rate_limited"}`)),
Header: http.Header{"Retry-After": []string{"60"}},
Request: req,
}, nil
}),
},
}
_, err := auth.RefreshTokensWithRetry(context.Background(), "dummy_refresh_token", 3)
if err == nil {
t.Fatalf("expected 429 refresh error")
}
if !strings.Contains(err.Error(), "status 429") {
t.Fatalf("expected status 429 in error, got %v", err)
}
if got := atomic.LoadInt32(&calls); got != 1 {
t.Fatalf("expected 1 refresh attempt after 429, got %d", got)
}
_, err = auth.RefreshTokensWithRetry(context.Background(), "dummy_refresh_token", 3)
if err == nil {
t.Fatalf("expected immediate blocked refresh error")
}
if got := atomic.LoadInt32(&calls); got != 1 {
t.Fatalf("expected blocked retry to avoid a second refresh call, got %d attempts", got)
}
if blockedUntil := claudeRefreshBlockedUntil("dummy_refresh_token"); !blockedUntil.After(time.Now()) {
t.Fatalf("expected blocked-until timestamp to be set, got %v", blockedUntil)
}
}
func TestRefreshTokens_DeduplicatesConcurrentRefresh(t *testing.T) {
resetClaudeRefreshState()
defer resetClaudeRefreshState()
var tokenCalls int32
var profileCalls int32
started := make(chan struct{})
release := make(chan struct{})
var once sync.Once
auth := &ClaudeAuth{
httpClient: &http.Client{
Transport: roundTripFunc(func(req *http.Request) (*http.Response, error) {
switch req.URL.String() {
case RefreshTokenURL:
atomic.AddInt32(&tokenCalls, 1)
once.Do(func() { close(started) })
<-release
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`{
"access_token":"new-access",
"refresh_token":"new-refresh",
"token_type":"Bearer",
"expires_in":3600,
"scope":"user:profile user:inference"
}`)),
Header: make(http.Header),
Request: req,
}, nil
case ProfileURL:
atomic.AddInt32(&profileCalls, 1)
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`{
"account":{"uuid":"aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa","email":"shared@example.com"},
"organization":{"uuid":"bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb","name":"Shared Org"}
}`)),
Header: make(http.Header),
Request: req,
}, nil
default:
t.Fatalf("unexpected OAuth request URL %s", req.URL)
return nil, nil
}
}),
},
}
results := make(chan *ClaudeTokenData, 2)
errs := make(chan error, 2)
runRefresh := func() {
td, err := auth.RefreshTokens(context.Background(), "shared-refresh-token")
results <- td
errs <- err
}
go runRefresh()
go runRefresh()
<-started
time.Sleep(20 * time.Millisecond)
if got := atomic.LoadInt32(&tokenCalls); got != 1 {
t.Fatalf("expected concurrent refresh to share a single upstream call, got %d", got)
}
close(release)
for i := 0; i < 2; i++ {
if err := <-errs; err != nil {
t.Fatalf("expected refresh to succeed, got %v", err)
}
td := <-results
if td == nil || td.AccessToken != "new-access" {
t.Fatalf("expected refreshed access token, got %#v", td)
}
if td.AccountUUID != "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa" {
t.Fatalf("account UUID = %q, want OAuth response account", td.AccountUUID)
}
if td.OrganizationUUID != "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb" || td.OrganizationName != "Shared Org" {
t.Fatalf("organization = %q/%q, want OAuth response organization", td.OrganizationUUID, td.OrganizationName)
}
}
if got := atomic.LoadInt32(&tokenCalls); got != 1 {
t.Fatalf("expected exactly 1 upstream refresh call, got %d", got)
}
if got := atomic.LoadInt32(&profileCalls); got != 1 {
t.Fatalf("expected exactly 1 OAuth profile call, got %d", got)
}
}
func TestRefreshTokensUsesNative220ControlPlaneShape(t *testing.T) {
resetClaudeRefreshState()
defer resetClaudeRefreshState()
const refreshToken = "placeholder-refresh"
auth := &ClaudeAuth{
httpClient: &http.Client{
Transport: roundTripFunc(func(req *http.Request) (*http.Response, error) {
switch req.URL.String() {
case RefreshTokenURL:
if req.Method != http.MethodPost {
t.Fatalf("refresh method = %s, want POST", req.Method)
}
body, errRead := io.ReadAll(req.Body)
if errRead != nil {
t.Fatal(errRead)
}
wantBody := `{"client_id":"` + ClientID + `","grant_type":"refresh_token","refresh_token":"` + refreshToken + `","scope":"` + ClaudeOAuthScope + `"}`
if got := string(body); got != wantBody {
t.Fatalf("refresh body = %q, want %q", got, wantBody)
}
wantHeaders := map[string]string{
"Accept": "application/json, text/plain, */*",
"Content-Type": "application/json",
"User-Agent": "axios/1.15.2",
"Accept-Encoding": "gzip, compress, deflate, br",
"Connection": "close",
}
for name, want := range wantHeaders {
if got := req.Header.Get(name); got != want {
t.Fatalf("%s = %q, want %q", name, got, want)
}
}
if !req.Close {
t.Fatal("refresh request Close = false, want true")
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`{"access_token":"new-access","expires_in":3600}`)),
Header: make(http.Header),
Request: req,
}, nil
case ProfileURL:
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`{
"account":{"uuid":"aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa","email":"shared@example.com"},
"organization":{"uuid":"bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb","name":"Shared Org"}
}`)),
Header: make(http.Header),
Request: req,
}, nil
default:
t.Fatalf("unexpected OAuth request URL %s", req.URL)
return nil, nil
}
}),
},
}
tokenData, errRefresh := auth.RefreshTokens(t.Context(), refreshToken)
if errRefresh != nil {
t.Fatalf("RefreshTokens() error = %v", errRefresh)
}
if tokenData.RefreshToken != refreshToken {
t.Fatalf("refresh token fallback = %q, want original placeholder", tokenData.RefreshToken)
}
if tokenData.AccountUUID == "" || tokenData.Email == "" || tokenData.OrganizationUUID == "" {
t.Fatalf("profile identity was not populated: %#v", tokenData)
}
}
func TestFetchOAuthProfile(t *testing.T) {
auth := &ClaudeAuth{
httpClient: &http.Client{
Transport: roundTripFunc(func(req *http.Request) (*http.Response, error) {
if req.Method != http.MethodGet || req.URL.String() != ProfileURL {
t.Fatalf("profile request = %s %s, want GET %s", req.Method, req.URL, ProfileURL)
}
if got := req.Header.Get("Authorization"); got != "Bearer test-access" {
t.Fatalf("Authorization = %q, want bearer token", got)
}
wantHeaders := map[string]string{
"Accept": "application/json, text/plain, */*",
"Content-Type": "application/json",
"Cache-Control": "no-cache",
"User-Agent": "axios/1.15.2",
"Accept-Encoding": "gzip, compress, deflate, br",
"Connection": "close",
}
for name, want := range wantHeaders {
if got := req.Header.Get(name); got != want {
t.Fatalf("%s = %q, want %q", name, got, want)
}
}
if !req.Close {
t.Fatal("profile request Close = false, want true")
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`{
"account":{"uuid":"aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa","email":"user@example.com"},
"organization":{"uuid":"bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb","name":"Example Org"}
}`)),
Header: make(http.Header),
Request: req,
}, nil
}),
},
}
profile, errProfile := auth.FetchOAuthProfile(context.Background(), "test-access")
if errProfile != nil {
t.Fatalf("FetchOAuthProfile() error = %v", errProfile)
}
if profile.Account.UUID != "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa" || profile.Account.Email != "user@example.com" {
t.Fatalf("account = %#v, want upstream profile account", profile.Account)
}
if profile.Organization.UUID != "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb" || profile.Organization.Name != "Example Org" {
t.Fatalf("organization = %#v, want upstream profile organization", profile.Organization)
}
}
func TestUpdateTokenStoragePreservesAccountWhenRefreshOmitsIt(t *testing.T) {
storage := &ClaudeTokenStorage{
Email: "user@example.com",
AccountUUID: "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa",
OrganizationUUID: "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb",
OrganizationName: "Example Org",
}
(&ClaudeAuth{}).UpdateTokenStorage(storage, &ClaudeTokenData{
AccessToken: "new-access",
RefreshToken: "new-refresh",
Expire: "2099-01-01T00:00:00Z",
})
if storage.Email != "user@example.com" {
t.Fatalf("email = %q, want preserved", storage.Email)
}
if storage.AccountUUID != "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa" {
t.Fatalf("account UUID = %q, want preserved", storage.AccountUUID)
}
if storage.OrganizationUUID != "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb" || storage.OrganizationName != "Example Org" {
t.Fatalf("organization = %q/%q, want preserved", storage.OrganizationUUID, storage.OrganizationName)
}
}