feat(auth): add JWTAuthTransport with auto-refresh RoundTrip
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
This commit is contained in:
dailz
214
internal/slurm/jwt_transport_test.go
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214
internal/slurm/jwt_transport_test.go
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@@ -0,0 +1,214 @@
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package slurm
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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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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"strings"
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"testing"
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"time"
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)
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func TestJWTAuthTransport_SetsCorrectHeaders(t *testing.T) {
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var gotHeaders http.Header
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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gotHeaders = r.Header.Clone()
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w.WriteHeader(http.StatusOK)
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}))
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defer srv.Close()
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key := make([]byte, 32)
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for i := range key {
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key[i] = byte(i)
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}
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tr := NewJWTAuthTransport("testuser", key)
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client := tr.Client()
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req, _ := http.NewRequestWithContext(context.Background(), http.MethodGet, srv.URL, nil)
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resp, err := client.Do(req)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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defer resp.Body.Close()
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if gotHeaders.Get("X-SLURM-USER-NAME") != "testuser" {
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t.Errorf("X-SLURM-USER-NAME = %q, want %q", gotHeaders.Get("X-SLURM-USER-NAME"), "testuser")
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}
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tokenStr := gotHeaders.Get("X-SLURM-USER-TOKEN")
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if tokenStr == "" {
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t.Fatal("X-SLURM-USER-TOKEN is empty")
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}
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parts := strings.Split(tokenStr, ".")
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if len(parts) != 3 {
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t.Fatalf("JWT should have 3 parts, got %d", len(parts))
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}
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claimsJSON, err := base64.RawURLEncoding.DecodeString(parts[1])
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if err != nil {
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t.Fatalf("decode claims: %v", err)
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}
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var claims JWTClaims
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if err := json.Unmarshal(claimsJSON, &claims); err != nil {
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t.Fatalf("unmarshal claims: %v", err)
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}
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if claims.Sun != "testuser" {
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t.Errorf("sun claim = %q, want %q", claims.Sun, "testuser")
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}
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}
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func TestJWTAuthTransport_AutoRefreshOnExpiry(t *testing.T) {
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var tokens []string
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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tokens = append(tokens, r.Header.Get("X-SLURM-USER-TOKEN"))
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w.WriteHeader(http.StatusOK)
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}))
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defer srv.Close()
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key := make([]byte, 32)
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for i := range key {
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key[i] = byte(i)
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}
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tr := NewJWTAuthTransport("testuser", key,
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WithTTL(1*time.Millisecond),
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WithLeeway(0),
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)
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var callCount int
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tr.tokenCache = NewTokenCache(
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func(ctx context.Context) (string, error) {
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callCount++
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return SignJWT(key, fmt.Sprintf("testuser-%d", callCount), 5*time.Minute)
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},
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1*time.Millisecond,
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0,
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)
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client := tr.Client()
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req, _ := http.NewRequestWithContext(context.Background(), http.MethodGet, srv.URL, nil)
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resp, err := client.Do(req)
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if err != nil {
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t.Fatalf("first request: %v", err)
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}
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resp.Body.Close()
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time.Sleep(10 * time.Millisecond)
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req2, _ := http.NewRequestWithContext(context.Background(), http.MethodGet, srv.URL, nil)
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resp2, err := client.Do(req2)
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if err != nil {
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t.Fatalf("second request: %v", err)
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}
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resp2.Body.Close()
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if len(tokens) != 2 {
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t.Fatalf("expected 2 tokens, got %d", len(tokens))
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}
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if tokens[0] == tokens[1] {
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t.Error("token should have been refreshed after expiry, but got same token")
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}
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for i, tok := range tokens {
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parts := strings.Split(tok, ".")
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if len(parts) != 3 {
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t.Errorf("token[%d] should have 3 parts, got %d", i, len(parts))
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}
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}
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}
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func TestJWTAuthTransport_StaticTokenStillWorks(t *testing.T) {
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var gotHeaders http.Header
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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gotHeaders = r.Header.Clone()
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w.WriteHeader(http.StatusOK)
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}))
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defer srv.Close()
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tr := &TokenAuthTransport{
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UserName: "staticuser",
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Token: "static-token-123",
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}
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client := tr.Client()
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req, _ := http.NewRequestWithContext(context.Background(), http.MethodGet, srv.URL, nil)
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resp, err := client.Do(req)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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defer resp.Body.Close()
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if gotHeaders.Get("X-SLURM-USER-NAME") != "staticuser" {
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t.Errorf("X-SLURM-USER-NAME = %q, want %q", gotHeaders.Get("X-SLURM-USER-NAME"), "staticuser")
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}
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if gotHeaders.Get("X-SLURM-USER-TOKEN") != "static-token-123" {
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t.Errorf("X-SLURM-USER-TOKEN = %q, want %q", gotHeaders.Get("X-SLURM-USER-TOKEN"), "static-token-123")
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}
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}
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func TestJWTAuthTransport_SigningError_ReturnsError(t *testing.T) {
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expectedErr := errors.New("signing failed")
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tr := NewJWTAuthTransport("testuser", nil)
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tr.tokenCache = NewTokenCache(
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func(ctx context.Context) (string, error) { return "", expectedErr },
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30*time.Minute,
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30*time.Second,
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)
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req, _ := http.NewRequestWithContext(context.Background(), http.MethodGet, "http://localhost", nil)
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_, err := tr.RoundTrip(req)
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if err == nil {
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t.Fatal("expected error from RoundTrip, got nil")
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}
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if !strings.Contains(err.Error(), "failed to get JWT token") {
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t.Errorf("error = %q, want containing %q", err.Error(), "failed to get JWT token")
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}
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}
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func TestJWTAuthTransport_CustomBaseTransport(t *testing.T) {
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("X-Custom-Response", "from-base")
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w.WriteHeader(http.StatusOK)
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}))
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defer srv.Close()
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key := make([]byte, 32)
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for i := range key {
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key[i] = byte(i)
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}
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var custom http.RoundTripper = roundTripperFunc(func(req *http.Request) (*http.Response, error) {
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req.Header.Set("X-Custom-Request", "injected")
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return http.DefaultTransport.RoundTrip(req)
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})
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tr := NewJWTAuthTransport("testuser", key, WithBaseTransport(custom))
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client := tr.Client()
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req, _ := http.NewRequestWithContext(context.Background(), http.MethodGet, srv.URL, nil)
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resp, err := client.Do(req)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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defer resp.Body.Close()
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if resp.Header.Get("X-Custom-Response") != "from-base" {
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t.Error("custom base transport was not used")
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}
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}
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type roundTripperFunc func(*http.Request) (*http.Response, error)
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func (f roundTripperFunc) RoundTrip(req *http.Request) (*http.Response, error) {
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return f(req)
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}
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