Specify content type

See OAI/OpenAPI-Specification#110 (comment)
temporalio · Mar 1, 2024 · e231546 · e231546
1 parent c6a16c3
commit e231546
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/service/frontend/http_api_server.go b/service/frontend/http_api_server.go
@@ -325,8 +325,9 @@ func (h *HTTPAPIServer) incomingHeaderMatcher(headerName string) (string, bool)
 }
 
 func (h *HTTPAPIServer) registerOpenAPIDocsHandlers() {
-	serve := func(version int, spec []byte) func(http.ResponseWriter, *http.Request, map[string]string) {
+	serve := func(version int, contentType string, spec []byte) func(http.ResponseWriter, *http.Request, map[string]string) {
 		return func(w http.ResponseWriter, _ *http.Request, _ map[string]string) {
+			w.Header().Add("Content-Type", contentType)
 			rdr, err := gzip.NewReader(bytes.NewReader(spec))
 			if err != nil {
 				h.logger.Error("failed to initialize openapi spec reader", tag.NewInt("version", version), tag.Error(err))
@@ -342,8 +343,8 @@ func (h *HTTPAPIServer) registerOpenAPIDocsHandlers() {
 		}
 	}
 
-	h.serveMux.HandlePath(http.MethodGet, "/api/v1/swagger.json", serve(2, openapi.OpenAPIV2JSONSpec))
-	h.serveMux.HandlePath(http.MethodGet, "/api/v1/openapi.yaml", serve(3, openapi.OpenAPIV3YAMLSpec))
+	h.serveMux.HandlePath(http.MethodGet, "/api/v1/swagger.json", serve(2, "application/vnd.oai.openapi+json;version=2.0", openapi.OpenAPIV2JSONSpec))
+	h.serveMux.HandlePath(http.MethodGet, "/api/v1/openapi.yaml", serve(3, "application/vnd.oai.openapi;version=3.0", openapi.OpenAPIV3YAMLSpec))
 }
 
 // inlineClientConn is a [grpc.ClientConnInterface] implementation that forwards