build: go 1.24

We were running behind and there were quite some deprecations to update.
This was mostly in the upstream copy/pasta package but seems quite
minimal.

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

@@ -148,22 +148,20 @@ func DefaultHTTPErrorHandler(ctx context.Context, mux *ServeMux, marshaler Marsh
 	}
 
 	md, ok := ServerMetadataFromContext(ctx)
-	if !ok {
-		grpclog.Error("Failed to extract ServerMetadata from context")
-	}
+	if ok {
+		handleForwardResponseServerMetadata(w, mux, md)
 
-	handleForwardResponseServerMetadata(w, mux, md)
+		// RFC 7230 https://tools.ietf.org/html/rfc7230#section-4.1.2
+		// Unless the request includes a TE header field indicating "trailers"
+		// is acceptable, as described in Section 4.3, a server SHOULD NOT
+		// generate trailer fields that it believes are necessary for the user
+		// agent to receive.
+		doForwardTrailers := requestAcceptsTrailers(r)
 
-	// RFC 7230 https://tools.ietf.org/html/rfc7230#section-4.1.2
-	// Unless the request includes a TE header field indicating "trailers"
-	// is acceptable, as described in Section 4.3, a server SHOULD NOT
-	// generate trailer fields that it believes are necessary for the user
-	// agent to receive.
-	doForwardTrailers := requestAcceptsTrailers(r)
-
-	if doForwardTrailers {
-		handleForwardResponseTrailerHeader(w, mux, md)
-		w.Header().Set("Transfer-Encoding", "chunked")
+		if doForwardTrailers {
+			handleForwardResponseTrailerHeader(w, mux, md)
+			w.Header().Set("Transfer-Encoding", "chunked")
+		}
 	}
 
 	st := HTTPStatusFromCode(s.Code())
@@ -176,7 +174,7 @@ func DefaultHTTPErrorHandler(ctx context.Context, mux *ServeMux, marshaler Marsh
 		grpclog.Errorf("Failed to write response: %v", err)
 	}
 
-	if doForwardTrailers {
+	if ok && requestAcceptsTrailers(r) {
 		handleForwardResponseTrailer(w, mux, md)
 	}
 }

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

@@ -153,12 +153,10 @@ type responseBody interface {
 // ForwardResponseMessage forwards the message "resp" from gRPC server to REST client.
 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.Error("Failed to extract ServerMetadata from context")
+	if ok {
+		handleForwardResponseServerMetadata(w, mux, md)
 	}
 
-	handleForwardResponseServerMetadata(w, mux, md)
-
 	// RFC 7230 https://tools.ietf.org/html/rfc7230#section-4.1.2
 	// Unless the request includes a TE header field indicating "trailers"
 	// is acceptable, as described in Section 4.3, a server SHOULD NOT
@@ -166,7 +164,7 @@ func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marsha
 	// agent to receive.
 	doForwardTrailers := requestAcceptsTrailers(req)
 
-	if doForwardTrailers {
+	if ok && doForwardTrailers {
 		handleForwardResponseTrailerHeader(w, mux, md)
 		w.Header().Set("Transfer-Encoding", "chunked")
 	}
@@ -196,7 +194,7 @@ func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marsha
 		return
 	}
 
-	if !doForwardTrailers {
+	if !doForwardTrailers && mux.writeContentLength {
 		w.Header().Set("Content-Length", strconv.Itoa(len(buf)))
 	}
 
@@ -204,7 +202,7 @@ func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marsha
 		grpclog.Errorf("Failed to write response: %v", err)
 	}
 
-	if doForwardTrailers {
+	if ok && doForwardTrailers {
 		handleForwardResponseTrailer(w, mux, md)
 	}
 }

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

@@ -71,6 +71,7 @@ type ServeMux struct {
 	routingErrorHandler       RoutingErrorHandlerFunc
 	disablePathLengthFallback bool
 	unescapingMode            UnescapingMode
+	writeContentLength        bool
 }
 
 // ServeMuxOption is an option that can be given to a ServeMux on construction.
@@ -258,6 +259,13 @@ func WithDisablePathLengthFallback() ServeMuxOption {
 	}
 }
 
+// WithWriteContentLength returns a ServeMuxOption to enable writing content length on non-streaming responses
+func WithWriteContentLength() ServeMuxOption {
+	return func(serveMux *ServeMux) {
+		serveMux.writeContentLength = true
+	}
+}
+
 // WithHealthEndpointAt returns a ServeMuxOption that will add an endpoint to the created ServeMux at the path specified by endpointPath.
 // When called the handler will forward the request to the upstream grpc service health check (defined in the
 // gRPC Health Checking Protocol).

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

@@ -126,6 +126,15 @@ func populateFieldValueFromPath(msgValue protoreflect.Message, fieldPath []strin
 			}
 		}
 
+		// Check if oneof already set
+		if of := fieldDescriptor.ContainingOneof(); of != nil && !of.IsSynthetic() {
+			if f := msgValue.WhichOneof(of); f != nil {
+				if fieldDescriptor.Message() == nil || fieldDescriptor.FullName() != f.FullName() {
+					return fmt.Errorf("field already set for oneof %q", of.FullName().Name())
+				}
+			}
+		}
+
 		// If this is the last element, we're done
 		if i == len(fieldPath)-1 {
 			break
@@ -140,13 +149,6 @@ func populateFieldValueFromPath(msgValue protoreflect.Message, fieldPath []strin
 		msgValue = msgValue.Mutable(fieldDescriptor).Message()
 	}
 
-	// Check if oneof already set
-	if of := fieldDescriptor.ContainingOneof(); of != nil && !of.IsSynthetic() {
-		if f := msgValue.WhichOneof(of); f != nil {
-			return fmt.Errorf("field already set for oneof %q", of.FullName().Name())
-		}
-	}
-
 	switch {
 	case fieldDescriptor.IsList():
 		return populateRepeatedField(fieldDescriptor, msgValue.Mutable(fieldDescriptor).List(), values)