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workloadapi.go
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workloadapi.go
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package fakeworkloadapi
import (
"context"
"errors"
"fmt"
"net"
"testing"
"github.com/spiffe/go-spiffe/v2/proto/spiffe/workload"
"github.com/spiffe/spire/test/spiretest"
"github.com/stretchr/testify/require"
"google.golang.org/grpc/metadata"
"google.golang.org/protobuf/proto"
)
type FakeRequest struct {
Req proto.Message
Resp proto.Message
Err error
}
type WorkloadAPI struct {
workload.UnimplementedSpiffeWorkloadAPIServer
addr net.Addr
t *testing.T
ExpFetchJWTSVIDReq *workload.JWTSVIDRequest
ExpFetchJWTBundlesReq *workload.JWTBundlesRequest
fetchX509SVIDRequest FakeRequest
fetchJWTSVIDRequest FakeRequest
fetchJWTBundlesRequest FakeRequest
validateJWTRequest FakeRequest
}
func New(t *testing.T, responses ...*FakeRequest) *WorkloadAPI {
w := new(WorkloadAPI)
w.t = t
for _, response := range responses {
if response == nil {
continue
}
switch response.Resp.(type) {
case *workload.X509SVIDResponse:
w.fetchX509SVIDRequest = *response
case *workload.JWTSVIDResponse:
w.fetchJWTSVIDRequest = *response
case *workload.JWTBundlesResponse:
w.fetchJWTBundlesRequest = *response
case *workload.ValidateJWTSVIDResponse:
w.validateJWTRequest = *response
default:
require.FailNow(t, "unexpected result type %T", response.Resp)
}
}
w.addr = spiretest.StartWorkloadAPI(t, w)
return w
}
func (w *WorkloadAPI) Addr() net.Addr {
return w.addr
}
func (w *WorkloadAPI) FetchX509SVID(req *workload.X509SVIDRequest, stream workload.SpiffeWorkloadAPI_FetchX509SVIDServer) error {
if err := checkSecurityHeader(stream.Context()); err != nil {
return err
}
if w.fetchX509SVIDRequest.Err != nil {
return w.fetchX509SVIDRequest.Err
}
if request, ok := w.fetchX509SVIDRequest.Req.(*workload.X509SVIDRequest); ok {
spiretest.AssertProtoEqual(w.t, request, req)
} else {
require.FailNow(w.t, fmt.Sprintf("unexpected message type %T", w.fetchX509SVIDRequest.Req))
}
if response, ok := w.fetchX509SVIDRequest.Resp.(*workload.X509SVIDResponse); ok {
_ = stream.Send(response)
<-stream.Context().Done()
} else {
require.FailNow(w.t, fmt.Sprintf("unexpected message type %T", w.fetchX509SVIDRequest.Resp))
}
return nil
}
func (w *WorkloadAPI) FetchJWTSVID(_ context.Context, req *workload.JWTSVIDRequest) (*workload.JWTSVIDResponse, error) {
if w.fetchJWTSVIDRequest.Err != nil {
return nil, w.fetchJWTSVIDRequest.Err
}
if request, ok := w.fetchJWTSVIDRequest.Req.(*workload.JWTSVIDRequest); ok {
spiretest.AssertProtoEqual(w.t, request, req)
} else {
require.FailNow(w.t, fmt.Sprintf("unexpected message type %T", w.fetchJWTSVIDRequest.Req))
}
if response, ok := w.fetchJWTSVIDRequest.Resp.(*workload.JWTSVIDResponse); ok {
return response, nil
}
require.FailNow(w.t, fmt.Sprintf("unexpected message type %T", w.fetchJWTSVIDRequest.Resp))
return nil, nil
}
func (w *WorkloadAPI) FetchJWTBundles(req *workload.JWTBundlesRequest, stream workload.SpiffeWorkloadAPI_FetchJWTBundlesServer) error {
if err := checkSecurityHeader(stream.Context()); err != nil {
return err
}
if w.fetchJWTBundlesRequest.Err != nil {
return w.fetchJWTBundlesRequest.Err
}
if request, ok := w.fetchJWTBundlesRequest.Req.(*workload.JWTBundlesRequest); ok {
spiretest.AssertProtoEqual(w.t, request, req)
} else {
require.FailNow(w.t, fmt.Sprintf("unexpected message type %T", w.fetchJWTBundlesRequest.Req))
}
if response, ok := w.fetchJWTBundlesRequest.Resp.(*workload.JWTBundlesResponse); ok {
_ = stream.Send(response)
<-stream.Context().Done()
} else {
require.FailNow(w.t, fmt.Sprintf("unexpected message type %T", w.fetchJWTBundlesRequest.Resp))
}
return nil
}
func (w *WorkloadAPI) ValidateJWTSVID(_ context.Context, req *workload.ValidateJWTSVIDRequest) (*workload.ValidateJWTSVIDResponse, error) {
if w.validateJWTRequest.Err != nil {
return nil, w.validateJWTRequest.Err
}
if request, ok := w.validateJWTRequest.Req.(*workload.ValidateJWTSVIDRequest); ok {
spiretest.AssertProtoEqual(w.t, request, req)
} else {
require.FailNow(w.t, fmt.Sprintf("unexpected message type %T", w.validateJWTRequest.Req))
}
if response, ok := w.validateJWTRequest.Resp.(*workload.ValidateJWTSVIDResponse); ok {
return response, nil
}
require.FailNow(w.t, fmt.Sprintf("unexpected message type %T", w.validateJWTRequest.Resp))
return nil, nil
}
func checkSecurityHeader(ctx context.Context) error {
// Ensure security header is sent
md, ok := metadata.FromIncomingContext(ctx)
if !ok || len(md["workload.spiffe.io"]) != 1 || md["workload.spiffe.io"][0] != "true" {
return errors.New("request received without security header")
}
return nil
}