Files
gitea-mcp/internal/auth/bearer_test.go
Mathias Bergqvist 91be18c100
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feat(auth): JWT-or-static middleware + /.well-known/oauth-protected-resource (issue #5)
- internal/auth/jwt.go: JWTValidator via lestrrat-go/jwx/v2, JWKS auto-refresh
- internal/auth/bearer.go: replace Gitea PAT validation with JWT->static->default chain
- internal/gitea/client.go: always use service PAT; remove TokenFromContext lookup
- internal/config/config.go: add DexIssuerURL, MCPAudience, MCPResourceURL, StaticToken
- cmd/gitea-mcp/main.go: wire validator, fix /.well-known to return real AS list
- bearer_test.go: rewrite for new API
2026-05-12 11:30:52 +02:00

100 lines
3.0 KiB
Go

package auth_test
import (
"net/http"
"net/http/httptest"
"testing"
"gitea.d-ma.be/mathias/gitea-mcp/internal/auth"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// helper: BearerMiddleware with no JWT validator and no static token
func noJWTMiddleware(defaultToken string, next http.Handler) http.Handler {
return auth.BearerMiddleware(nil, "", defaultToken, next)
}
func TestBearerMiddleware_NoAuthHeader_NoDefault(t *testing.T) {
srv := httptest.NewServer(noJWTMiddleware("",
http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(http.StatusOK)
}),
))
defer srv.Close()
resp, err := http.Post(srv.URL+"/mcp", "application/json", nil)
require.NoError(t, err)
defer func() { _ = resp.Body.Close() }()
assert.Equal(t, http.StatusUnauthorized, resp.StatusCode)
}
func TestBearerMiddleware_NoAuthHeader_WithDefault(t *testing.T) {
called := false
srv := httptest.NewServer(noJWTMiddleware("default-pat",
http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
called = true
w.WriteHeader(http.StatusOK)
}),
))
defer srv.Close()
resp, err := http.Post(srv.URL+"/mcp", "application/json", nil)
require.NoError(t, err)
defer func() { _ = resp.Body.Close() }()
assert.Equal(t, http.StatusOK, resp.StatusCode)
assert.True(t, called)
}
func TestBearerMiddleware_StaticToken_Valid(t *testing.T) {
const staticToken = "my-static-token"
called := false
srv := httptest.NewServer(auth.BearerMiddleware(nil, staticToken, "",
http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
called = true
w.WriteHeader(http.StatusOK)
}),
))
defer srv.Close()
req, _ := http.NewRequest(http.MethodPost, srv.URL+"/mcp", nil)
req.Header.Set("Authorization", "Bearer "+staticToken)
resp, err := http.DefaultClient.Do(req)
require.NoError(t, err)
defer func() { _ = resp.Body.Close() }()
assert.Equal(t, http.StatusOK, resp.StatusCode)
assert.True(t, called)
}
func TestBearerMiddleware_StaticToken_Invalid(t *testing.T) {
srv := httptest.NewServer(auth.BearerMiddleware(nil, "correct-token", "",
http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(http.StatusOK)
}),
))
defer srv.Close()
req, _ := http.NewRequest(http.MethodPost, srv.URL+"/mcp", nil)
req.Header.Set("Authorization", "Bearer wrong-token")
resp, err := http.DefaultClient.Do(req)
require.NoError(t, err)
defer func() { _ = resp.Body.Close() }()
assert.Equal(t, http.StatusUnauthorized, resp.StatusCode)
}
func TestBearerMiddleware_UnknownBearer_NoJWT(t *testing.T) {
srv := httptest.NewServer(noJWTMiddleware("",
http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(http.StatusOK)
}),
))
defer srv.Close()
req, _ := http.NewRequest(http.MethodPost, srv.URL+"/mcp", nil)
req.Header.Set("Authorization", "Bearer random-unknown-token")
resp, err := http.DefaultClient.Do(req)
require.NoError(t, err)
defer func() { _ = resp.Body.Close() }()
assert.Equal(t, http.StatusUnauthorized, resp.StatusCode)
}