vendor: github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0

full diff: https://github.com/grpc-ecosystem/grpc-gateway/compare/v2.16.0...v2.20.0

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor.mod

@@ -73,7 +73,7 @@ require (
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/gorilla/mux v1.8.1 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/klauspost/compress v1.17.11 // indirect
 	github.com/miekg/pkcs11 v1.1.1 // indirect

vendor.sum

@@ -96,8 +96,6 @@ github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
-github.com/golang/glog v1.2.2 h1:1+mZ9upx1Dh6FmUTFR1naJ77miKiXgALjWOZ3NVFPmY=
-github.com/golang/glog v1.2.2/go.mod h1:6AhwSGph0fcJtXVM/PEHPqZlFeoLxhs7/t5UDAwmO+w=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -117,8 +115,8 @@ github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3
 github.com/gorilla/mux v1.7.0/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
 github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
 github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.0 h1:YBftPWNWd4WwGqtY2yeZL2ef8rHAxPBD8KFhJpmcqms=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 h1:bkypFPDjIYGfCYD5mRBvpqxfYX1YCS1PXdKYWi8FsN0=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.0/go.mod h1:YN5jB8ie0yfIUg6VvR9Kz84aCaG7AsGZnLjhHbUqwPg=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0/go.mod h1:P+Lt/0by1T8bfcF3z737NnSbmxQAppXMRziHUxPOC8k=
 github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed h1:5upAirOpQc1Q53c0bnx2ufif5kANL7bfZWcc6VJWJd8=
 github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed/go.mod h1:tMWxXQ9wFIaZeTI9F+hmhFiGpFmhOHzyShyFUhRm0H4=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/internal/httprule/BUILD.bazel

@@ -24,7 +24,7 @@ go_test(
     embed = [":httprule"],
     deps = [
         "//utilities",
-        "@com_github_golang_glog//:glog",
+        "@org_golang_google_grpc//grpclog",
     ],
 )
 

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/BUILD.bazel

@@ -26,7 +26,7 @@ go_library(
     deps = [
         "//internal/httprule",
         "//utilities",
-        "@go_googleapis//google/api:httpbody_go_proto",
+        "@org_golang_google_genproto_googleapis_api//httpbody",
         "@org_golang_google_grpc//codes",
         "@org_golang_google_grpc//grpclog",
         "@org_golang_google_grpc//health/grpc_health_v1",
@@ -70,9 +70,9 @@ go_test(
         "//utilities",
         "@com_github_google_go_cmp//cmp",
         "@com_github_google_go_cmp//cmp/cmpopts",
-        "@go_googleapis//google/api:httpbody_go_proto",
+        "@org_golang_google_genproto_googleapis_api//httpbody",
-        "@go_googleapis//google/rpc:errdetails_go_proto",
+        "@org_golang_google_genproto_googleapis_rpc//errdetails",
-        "@go_googleapis//google/rpc:status_go_proto",
+        "@org_golang_google_genproto_googleapis_rpc//status",
         "@org_golang_google_grpc//:go_default_library",
         "@org_golang_google_grpc//codes",
         "@org_golang_google_grpc//health/grpc_health_v1",

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/context.go

@@ -148,6 +148,12 @@ func annotateContext(ctx context.Context, mux *ServeMux, req *http.Request, rpcM
 	var pairs []string
 	for key, vals := range req.Header {
 		key = textproto.CanonicalMIMEHeaderKey(key)
+		switch key {
+		case xForwardedFor, xForwardedHost:
+			// Handled separately below
+			continue
+		}
+
 		for _, val := range vals {
 			// For backwards-compatibility, pass through 'authorization' header with no prefix.
 			if key == "Authorization" {
@@ -181,18 +187,17 @@ func annotateContext(ctx context.Context, mux *ServeMux, req *http.Request, rpcM
 		pairs = append(pairs, strings.ToLower(xForwardedHost), req.Host)
 	}
 
+	xff := req.Header.Values(xForwardedFor)
 	if addr := req.RemoteAddr; addr != "" {
 		if remoteIP, _, err := net.SplitHostPort(addr); err == nil {
-			if fwd := req.Header.Get(xForwardedFor); fwd == "" {
+			xff = append(xff, remoteIP)
-				pairs = append(pairs, strings.ToLower(xForwardedFor), remoteIP)
-			} else {
-				pairs = append(pairs, strings.ToLower(xForwardedFor), fmt.Sprintf("%s, %s", fwd, remoteIP))
-			}
 		}
 	}
+	if len(xff) > 0 {
+		pairs = append(pairs, strings.ToLower(xForwardedFor), strings.Join(xff, ", "))
+	}
 
 	if timeout != 0 {
-		//nolint:govet  // The context outlives this function
 		ctx, _ = context.WithTimeout(ctx, timeout)
 	}
 	if len(pairs) == 0 {

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/errors.go

@@ -71,7 +71,7 @@ func HTTPStatusFromCode(code codes.Code) int {
 	case codes.DataLoss:
 		return http.StatusInternalServerError
 	default:
-		grpclog.Infof("Unknown gRPC error code: %v", code)
+		grpclog.Warningf("Unknown gRPC error code: %v", code)
 		return http.StatusInternalServerError
 	}
 }
@@ -114,17 +114,17 @@ func DefaultHTTPErrorHandler(ctx context.Context, mux *ServeMux, marshaler Marsh
 
 	buf, merr := marshaler.Marshal(pb)
 	if merr != nil {
-		grpclog.Infof("Failed to marshal error message %q: %v", s, merr)
+		grpclog.Errorf("Failed to marshal error message %q: %v", s, merr)
 		w.WriteHeader(http.StatusInternalServerError)
 		if _, err := io.WriteString(w, fallback); err != nil {
-			grpclog.Infof("Failed to write response: %v", err)
+			grpclog.Errorf("Failed to write response: %v", err)
 		}
 		return
 	}
 
 	md, ok := ServerMetadataFromContext(ctx)
 	if !ok {
-		grpclog.Infof("Failed to extract ServerMetadata from context")
+		grpclog.Error("Failed to extract ServerMetadata from context")
 	}
 
 	handleForwardResponseServerMetadata(w, mux, md)
@@ -137,7 +137,7 @@ func DefaultHTTPErrorHandler(ctx context.Context, mux *ServeMux, marshaler Marsh
 	doForwardTrailers := requestAcceptsTrailers(r)
 
 	if doForwardTrailers {
-		handleForwardResponseTrailerHeader(w, md)
+		handleForwardResponseTrailerHeader(w, mux, md)
 		w.Header().Set("Transfer-Encoding", "chunked")
 	}
 
@@ -148,11 +148,11 @@ func DefaultHTTPErrorHandler(ctx context.Context, mux *ServeMux, marshaler Marsh
 
 	w.WriteHeader(st)
 	if _, err := w.Write(buf); err != nil {
-		grpclog.Infof("Failed to write response: %v", err)
+		grpclog.Errorf("Failed to write response: %v", err)
 	}
 
 	if doForwardTrailers {
-		handleForwardResponseTrailer(w, md)
+		handleForwardResponseTrailer(w, mux, md)
 	}
 }
 

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/fieldmask.go

@@ -27,7 +27,7 @@ func FieldMaskFromRequestBody(r io.Reader, msg proto.Message) (*field_mask.Field
 	var root interface{}
 
 	if err := json.NewDecoder(r).Decode(&root); err != nil {
-		if err == io.EOF {
+		if errors.Is(err, io.EOF) {
 			return fm, nil
 		}
 		return nil, err
@@ -41,7 +41,7 @@ func FieldMaskFromRequestBody(r io.Reader, msg proto.Message) (*field_mask.Field
 
 		m, ok := item.node.(map[string]interface{})
 		switch {
-		case ok:
+		case ok && len(m) > 0:
 			// if the item is an object, then enqueue all of its children
 			for k, v := range m {
 				if item.msg == nil {
@@ -96,6 +96,8 @@ func FieldMaskFromRequestBody(r io.Reader, msg proto.Message) (*field_mask.Field
 					queue = append(queue, child)
 				}
 			}
+		case ok && len(m) == 0:
+			fallthrough
 		case len(item.path) > 0:
 			// otherwise, it's a leaf node so print its path
 			fm.Paths = append(fm.Paths, item.path)

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/handler.go

@@ -2,10 +2,11 @@ package runtime
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"io"
 	"net/http"
 	"net/textproto"
+	"strconv"
 	"strings"
 
 	"google.golang.org/genproto/googleapis/api/httpbody"
@@ -17,16 +18,10 @@ import (
 
 // ForwardResponseStream forwards the stream from gRPC server to REST client.
 func ForwardResponseStream(ctx context.Context, mux *ServeMux, marshaler Marshaler, w http.ResponseWriter, req *http.Request, recv func() (proto.Message, error), opts ...func(context.Context, http.ResponseWriter, proto.Message) error) {
-	f, ok := w.(http.Flusher)
+	rc := http.NewResponseController(w)
-	if !ok {
-		grpclog.Infof("Flush not supported in %T", w)
-		http.Error(w, "unexpected type of web server", http.StatusInternalServerError)
-		return
-	}
-
 	md, ok := ServerMetadataFromContext(ctx)
 	if !ok {
-		grpclog.Infof("Failed to extract ServerMetadata from context")
+		grpclog.Error("Failed to extract ServerMetadata from context")
 		http.Error(w, "unexpected error", http.StatusInternalServerError)
 		return
 	}
@@ -48,7 +43,7 @@ func ForwardResponseStream(ctx context.Context, mux *ServeMux, marshaler Marshal
 	var wroteHeader bool
 	for {
 		resp, err := recv()
-		if err == io.EOF {
+		if errors.Is(err, io.EOF) {
 			return
 		}
 		if err != nil {
@@ -81,20 +76,29 @@ func ForwardResponseStream(ctx context.Context, mux *ServeMux, marshaler Marshal
 		}
 
 		if err != nil {
-			grpclog.Infof("Failed to marshal response chunk: %v", err)
+			grpclog.Errorf("Failed to marshal response chunk: %v", err)
 			handleForwardResponseStreamError(ctx, wroteHeader, marshaler, w, req, mux, err, delimiter)
 			return
 		}
 		if _, err := w.Write(buf); err != nil {
-			grpclog.Infof("Failed to send response chunk: %v", err)
+			grpclog.Errorf("Failed to send response chunk: %v", err)
 			return
 		}
 		wroteHeader = true
 		if _, err := w.Write(delimiter); err != nil {
-			grpclog.Infof("Failed to send delimiter chunk: %v", err)
+			grpclog.Errorf("Failed to send delimiter chunk: %v", err)
+			return
+		}
+		err = rc.Flush()
+		if err != nil {
+			if errors.Is(err, http.ErrNotSupported) {
+				grpclog.Errorf("Flush not supported in %T", w)
+				http.Error(w, "unexpected type of web server", http.StatusInternalServerError)
+				return
+			}
+			grpclog.Errorf("Failed to flush response to client: %v", err)
 			return
 		}
-		f.Flush()
 	}
 }
 
@@ -108,18 +112,20 @@ func handleForwardResponseServerMetadata(w http.ResponseWriter, mux *ServeMux, m
 	}
 }
 
-func handleForwardResponseTrailerHeader(w http.ResponseWriter, md ServerMetadata) {
+func handleForwardResponseTrailerHeader(w http.ResponseWriter, mux *ServeMux, md ServerMetadata) {
 	for k := range md.TrailerMD {
-		tKey := textproto.CanonicalMIMEHeaderKey(fmt.Sprintf("%s%s", MetadataTrailerPrefix, k))
+		if h, ok := mux.outgoingTrailerMatcher(k); ok {
-		w.Header().Add("Trailer", tKey)
+			w.Header().Add("Trailer", textproto.CanonicalMIMEHeaderKey(h))
+		}
 	}
 }
 
-func handleForwardResponseTrailer(w http.ResponseWriter, md ServerMetadata) {
+func handleForwardResponseTrailer(w http.ResponseWriter, mux *ServeMux, md ServerMetadata) {
 	for k, vs := range md.TrailerMD {
-		tKey := fmt.Sprintf("%s%s", MetadataTrailerPrefix, k)
+		if h, ok := mux.outgoingTrailerMatcher(k); ok {
-		for _, v := range vs {
+			for _, v := range vs {
-			w.Header().Add(tKey, v)
+				w.Header().Add(h, v)
+			}
 		}
 	}
 }
@@ -134,7 +140,7 @@ type responseBody interface {
 func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marshaler, w http.ResponseWriter, req *http.Request, resp proto.Message, opts ...func(context.Context, http.ResponseWriter, proto.Message) error) {
 	md, ok := ServerMetadataFromContext(ctx)
 	if !ok {
-		grpclog.Infof("Failed to extract ServerMetadata from context")
+		grpclog.Error("Failed to extract ServerMetadata from context")
 	}
 
 	handleForwardResponseServerMetadata(w, mux, md)
@@ -147,12 +153,10 @@ func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marsha
 	doForwardTrailers := requestAcceptsTrailers(req)
 
 	if doForwardTrailers {
-		handleForwardResponseTrailerHeader(w, md)
+		handleForwardResponseTrailerHeader(w, mux, md)
 		w.Header().Set("Transfer-Encoding", "chunked")
 	}
 
-	handleForwardResponseTrailerHeader(w, md)
-
 	contentType := marshaler.ContentType(resp)
 	w.Header().Set("Content-Type", contentType)
 
@@ -168,17 +172,21 @@ func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marsha
 		buf, err = marshaler.Marshal(resp)
 	}
 	if err != nil {
-		grpclog.Infof("Marshal error: %v", err)
+		grpclog.Errorf("Marshal error: %v", err)
 		HTTPError(ctx, mux, marshaler, w, req, err)
 		return
 	}
 
+	if !doForwardTrailers {
+		w.Header().Set("Content-Length", strconv.Itoa(len(buf)))
+	}
+
 	if _, err = w.Write(buf); err != nil {
-		grpclog.Infof("Failed to write response: %v", err)
+		grpclog.Errorf("Failed to write response: %v", err)
 	}
 
 	if doForwardTrailers {
-		handleForwardResponseTrailer(w, md)
+		handleForwardResponseTrailer(w, mux, md)
 	}
 }
 
@@ -193,7 +201,7 @@ func handleForwardResponseOptions(ctx context.Context, w http.ResponseWriter, re
 	}
 	for _, opt := range opts {
 		if err := opt(ctx, w, resp); err != nil {
-			grpclog.Infof("Error handling ForwardResponseOptions: %v", err)
+			grpclog.Errorf("Error handling ForwardResponseOptions: %v", err)
 			return err
 		}
 	}
@@ -209,15 +217,15 @@ func handleForwardResponseStreamError(ctx context.Context, wroteHeader bool, mar
 	}
 	buf, err := marshaler.Marshal(msg)
 	if err != nil {
-		grpclog.Infof("Failed to marshal an error: %v", err)
+		grpclog.Errorf("Failed to marshal an error: %v", err)
 		return
 	}
 	if _, err := w.Write(buf); err != nil {
-		grpclog.Infof("Failed to notify error to client: %v", err)
+		grpclog.Errorf("Failed to notify error to client: %v", err)
 		return
 	}
 	if _, err := w.Write(delimiter); err != nil {
-		grpclog.Infof("Failed to send delimiter chunk: %v", err)
+		grpclog.Errorf("Failed to send delimiter chunk: %v", err)
 		return
 	}
 }

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/marshal_httpbodyproto.go

@@ -26,7 +26,7 @@ func (h *HTTPBodyMarshaler) ContentType(v interface{}) string {
 // google.api.HttpBody message, otherwise it falls back to the default Marshaler.
 func (h *HTTPBodyMarshaler) Marshal(v interface{}) ([]byte, error) {
 	if httpBody, ok := v.(*httpbody.HttpBody); ok {
-		return httpBody.Data, nil
+		return httpBody.GetData(), nil
 	}
 	return h.Marshaler.Marshal(v)
 }

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/marshal_json.go

@@ -24,6 +24,11 @@ func (j *JSONBuiltin) Marshal(v interface{}) ([]byte, error) {
 	return json.Marshal(v)
 }
 
+// MarshalIndent is like Marshal but applies Indent to format the output
+func (j *JSONBuiltin) MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) {
+	return json.MarshalIndent(v, prefix, indent)
+}
+
 // Unmarshal unmarshals JSON data into "v".
 func (j *JSONBuiltin) Unmarshal(data []byte, v interface{}) error {
 	return json.Unmarshal(data, v)

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/marshal_jsonpb.go

@@ -30,10 +30,6 @@ func (*JSONPb) ContentType(_ interface{}) string {
 
 // Marshal marshals "v" into JSON.
 func (j *JSONPb) Marshal(v interface{}) ([]byte, error) {
-	if _, ok := v.(proto.Message); !ok {
-		return j.marshalNonProtoField(v)
-	}
-
 	var buf bytes.Buffer
 	if err := j.marshalTo(&buf, v); err != nil {
 		return nil, err
@@ -48,9 +44,17 @@ func (j *JSONPb) marshalTo(w io.Writer, v interface{}) error {
 		if err != nil {
 			return err
 		}
+		if j.Indent != "" {
+			b := &bytes.Buffer{}
+			if err := json.Indent(b, buf, "", j.Indent); err != nil {
+				return err
+			}
+			buf = b.Bytes()
+		}
 		_, err = w.Write(buf)
 		return err
 	}
+
 	b, err := j.MarshalOptions.Marshal(p)
 	if err != nil {
 		return err
@@ -150,9 +154,6 @@ func (j *JSONPb) marshalNonProtoField(v interface{}) ([]byte, error) {
 			}
 			m[fmt.Sprintf("%v", k.Interface())] = (*json.RawMessage)(&buf)
 		}
-		if j.Indent != "" {
-			return json.MarshalIndent(m, "", j.Indent)
-		}
 		return json.Marshal(m)
 	}
 	if enum, ok := rv.Interface().(protoEnum); ok && !j.UseEnumNumbers {

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/marshaler_registry.go

@@ -46,7 +46,7 @@ func MarshalerForRequest(mux *ServeMux, r *http.Request) (inbound Marshaler, out
 	for _, contentTypeVal := range r.Header[contentTypeHeader] {
 		contentType, _, err := mime.ParseMediaType(contentTypeVal)
 		if err != nil {
-			grpclog.Infof("Failed to parse Content-Type %s: %v", contentTypeVal, err)
+			grpclog.Errorf("Failed to parse Content-Type %s: %v", contentTypeVal, err)
 			continue
 		}
 		if m, ok := mux.marshalers.mimeMap[contentType]; ok {

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/mux.go

@@ -57,6 +57,7 @@ type ServeMux struct {
 	marshalers                marshalerRegistry
 	incomingHeaderMatcher     HeaderMatcherFunc
 	outgoingHeaderMatcher     HeaderMatcherFunc
+	outgoingTrailerMatcher    HeaderMatcherFunc
 	metadataAnnotators        []func(context.Context, *http.Request) metadata.MD
 	errorHandler              ErrorHandlerFunc
 	streamErrorHandler        StreamErrorHandlerFunc
@@ -114,10 +115,18 @@ func DefaultHeaderMatcher(key string) (string, bool) {
 	return "", false
 }
 
+func defaultOutgoingHeaderMatcher(key string) (string, bool) {
+	return fmt.Sprintf("%s%s", MetadataHeaderPrefix, key), true
+}
+
+func defaultOutgoingTrailerMatcher(key string) (string, bool) {
+	return fmt.Sprintf("%s%s", MetadataTrailerPrefix, key), true
+}
+
 // WithIncomingHeaderMatcher returns a ServeMuxOption representing a headerMatcher for incoming request to gateway.
 //
 // This matcher will be called with each header in http.Request. If matcher returns true, that header will be
-// passed to gRPC context. To transform the header before passing to gRPC context, matcher should return modified header.
+// passed to gRPC context. To transform the header before passing to gRPC context, matcher should return the modified header.
 func WithIncomingHeaderMatcher(fn HeaderMatcherFunc) ServeMuxOption {
 	for _, header := range fn.matchedMalformedHeaders() {
 		grpclog.Warningf("The configured forwarding filter would allow %q to be sent to the gRPC server, which will likely cause errors. See https://github.com/grpc/grpc-go/pull/4803#issuecomment-986093310 for more information.", header)
@@ -147,13 +156,24 @@ func (fn HeaderMatcherFunc) matchedMalformedHeaders() []string {
 //
 // This matcher will be called with each header in response header metadata. If matcher returns true, that header will be
 // passed to http response returned from gateway. To transform the header before passing to response,
-// matcher should return modified header.
+// matcher should return the modified header.
 func WithOutgoingHeaderMatcher(fn HeaderMatcherFunc) ServeMuxOption {
 	return func(mux *ServeMux) {
 		mux.outgoingHeaderMatcher = fn
 	}
 }
 
+// WithOutgoingTrailerMatcher returns a ServeMuxOption representing a headerMatcher for outgoing response from gateway.
+//
+// This matcher will be called with each header in response trailer metadata. If matcher returns true, that header will be
+// passed to http response returned from gateway. To transform the header before passing to response,
+// matcher should return the modified header.
+func WithOutgoingTrailerMatcher(fn HeaderMatcherFunc) ServeMuxOption {
+	return func(mux *ServeMux) {
+		mux.outgoingTrailerMatcher = fn
+	}
+}
+
 // WithMetadata returns a ServeMuxOption for passing metadata to a gRPC context.
 //
 // This can be used by services that need to read from http.Request and modify gRPC context. A common use case
@@ -273,11 +293,11 @@ func NewServeMux(opts ...ServeMuxOption) *ServeMux {
 	if serveMux.incomingHeaderMatcher == nil {
 		serveMux.incomingHeaderMatcher = DefaultHeaderMatcher
 	}
-
 	if serveMux.outgoingHeaderMatcher == nil {
-		serveMux.outgoingHeaderMatcher = func(key string) (string, bool) {
+		serveMux.outgoingHeaderMatcher = defaultOutgoingHeaderMatcher
-			return fmt.Sprintf("%s%s", MetadataHeaderPrefix, key), true
+	}
-		}
+	if serveMux.outgoingTrailerMatcher == nil {
+		serveMux.outgoingTrailerMatcher = defaultOutgoingTrailerMatcher
 	}
 
 	return serveMux
@@ -321,13 +341,13 @@ func (s *ServeMux) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if override := r.Header.Get("X-HTTP-Method-Override"); override != "" && s.isPathLengthFallback(r) {
-		r.Method = strings.ToUpper(override)
 		if err := r.ParseForm(); err != nil {
 			_, outboundMarshaler := MarshalerForRequest(s, r)
 			sterr := status.Error(codes.InvalidArgument, err.Error())
 			s.errorHandler(ctx, s, outboundMarshaler, w, r, sterr)
 			return
 		}
+		r.Method = strings.ToUpper(override)
 	}
 
 	var pathComponents []string

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/pattern.go

@@ -52,13 +52,13 @@ type Pattern struct {
 // It returns an error if the given definition is invalid.
 func NewPattern(version int, ops []int, pool []string, verb string) (Pattern, error) {
 	if version != 1 {
-		grpclog.Infof("unsupported version: %d", version)
+		grpclog.Errorf("unsupported version: %d", version)
 		return Pattern{}, ErrInvalidPattern
 	}
 
 	l := len(ops)
 	if l%2 != 0 {
-		grpclog.Infof("odd number of ops codes: %d", l)
+		grpclog.Errorf("odd number of ops codes: %d", l)
 		return Pattern{}, ErrInvalidPattern
 	}
 
@@ -81,14 +81,14 @@ func NewPattern(version int, ops []int, pool []string, verb string) (Pattern, er
 			stack++
 		case utilities.OpPushM:
 			if pushMSeen {
-				grpclog.Infof("pushM appears twice")
+				grpclog.Error("pushM appears twice")
 				return Pattern{}, ErrInvalidPattern
 			}
 			pushMSeen = true
 			stack++
 		case utilities.OpLitPush:
 			if op.operand < 0 || len(pool) <= op.operand {
-				grpclog.Infof("negative literal index: %d", op.operand)
+				grpclog.Errorf("negative literal index: %d", op.operand)
 				return Pattern{}, ErrInvalidPattern
 			}
 			if pushMSeen {
@@ -97,18 +97,18 @@ func NewPattern(version int, ops []int, pool []string, verb string) (Pattern, er
 			stack++
 		case utilities.OpConcatN:
 			if op.operand <= 0 {
-				grpclog.Infof("negative concat size: %d", op.operand)
+				grpclog.Errorf("negative concat size: %d", op.operand)
 				return Pattern{}, ErrInvalidPattern
 			}
 			stack -= op.operand
 			if stack < 0 {
-				grpclog.Info("stack underflow")
+				grpclog.Error("stack underflow")
 				return Pattern{}, ErrInvalidPattern
 			}
 			stack++
 		case utilities.OpCapture:
 			if op.operand < 0 || len(pool) <= op.operand {
-				grpclog.Infof("variable name index out of bound: %d", op.operand)
+				grpclog.Errorf("variable name index out of bound: %d", op.operand)
 				return Pattern{}, ErrInvalidPattern
 			}
 			v := pool[op.operand]
@@ -116,11 +116,11 @@ func NewPattern(version int, ops []int, pool []string, verb string) (Pattern, er
 			vars = append(vars, v)
 			stack--
 			if stack < 0 {
-				grpclog.Infof("stack underflow")
+				grpclog.Error("stack underflow")
 				return Pattern{}, ErrInvalidPattern
 			}
 		default:
-			grpclog.Infof("invalid opcode: %d", op.code)
+			grpclog.Errorf("invalid opcode: %d", op.code)
 			return Pattern{}, ErrInvalidPattern
 		}
 

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/query.go

@@ -51,11 +51,13 @@ func (*DefaultQueryParser) Parse(msg proto.Message, values url.Values, filter *u
 			key = match[1]
 			values = append([]string{match[2]}, values...)
 		}
-		fieldPath := strings.Split(key, ".")
+
+		msgValue := msg.ProtoReflect()
+		fieldPath := normalizeFieldPath(msgValue, strings.Split(key, "."))
 		if filter.HasCommonPrefix(fieldPath) {
 			continue
 		}
-		if err := populateFieldValueFromPath(msg.ProtoReflect(), fieldPath, values); err != nil {
+		if err := populateFieldValueFromPath(msgValue, fieldPath, values); err != nil {
 			return err
 		}
 	}
@@ -68,6 +70,38 @@ func PopulateFieldFromPath(msg proto.Message, fieldPathString string, value stri
 	return populateFieldValueFromPath(msg.ProtoReflect(), fieldPath, []string{value})
 }
 
+func normalizeFieldPath(msgValue protoreflect.Message, fieldPath []string) []string {
+	newFieldPath := make([]string, 0, len(fieldPath))
+	for i, fieldName := range fieldPath {
+		fields := msgValue.Descriptor().Fields()
+		fieldDesc := fields.ByTextName(fieldName)
+		if fieldDesc == nil {
+			fieldDesc = fields.ByJSONName(fieldName)
+		}
+		if fieldDesc == nil {
+			// return initial field path values if no matching  message field was found
+			return fieldPath
+		}
+
+		newFieldPath = append(newFieldPath, string(fieldDesc.Name()))
+
+		// If this is the last element, we're done
+		if i == len(fieldPath)-1 {
+			break
+		}
+
+		// Only singular message fields are allowed
+		if fieldDesc.Message() == nil || fieldDesc.Cardinality() == protoreflect.Repeated {
+			return fieldPath
+		}
+
+		// Get the nested message
+		msgValue = msgValue.Get(fieldDesc).Message()
+	}
+
+	return newFieldPath
+}
+
 func populateFieldValueFromPath(msgValue protoreflect.Message, fieldPath []string, values []string) error {
 	if len(fieldPath) < 1 {
 		return errors.New("no field path")

vendor/modules.txt

@@ -164,8 +164,8 @@ github.com/google/shlex
 # github.com/gorilla/mux v1.8.1
 ## explicit; go 1.20
 github.com/gorilla/mux
-# github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.0
+# github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0
-## explicit; go 1.17
+## explicit; go 1.20
 github.com/grpc-ecosystem/grpc-gateway/v2/internal/httprule
 github.com/grpc-ecosystem/grpc-gateway/v2/runtime
 github.com/grpc-ecosystem/grpc-gateway/v2/utilities