From 4e17f4dbc08e7bfbe00e5705ea91bb9dfdce440a Mon Sep 17 00:00:00 2001
From: Todd Persen <todd.persen@gmail.com>
Date: Tue, 10 Feb 2015 23:03:38 -0800
Subject: [PATCH] Handle OPTIONS for CORS preflight.

---
 httpd/handler.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/httpd/handler.go b/httpd/handler.go
index f78ed5a989..49dd81757b 100644
--- a/httpd/handler.go
+++ b/httpd/handler.go
@@ -58,6 +58,10 @@ func NewHandler(s *influxdb.Server, requireAuthentication bool, version string)
 			"query", // Query serving route.
 			"GET", "/query", h.serveQuery, true,
 		},
+		route{
+			"write", // Data-ingest route.
+			"OPTIONS", "/write", h.serveOptions, true,
+		},
 		route{
 			"write", // Data-ingest route.
 			"POST", "/write", h.serveWrite, true,
@@ -223,6 +227,11 @@ func (h *Handler) serveStatus(w http.ResponseWriter, r *http.Request) {
 	w.Write(b)
 }
 
+// serveOptions returns an empty response to comply with OPTIONS pre-flight requests
+func (h *Handler) serveOptions(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusNoContent)
+}
+
 // servePing returns a simple response to let the client know the server is running.
 func (h *Handler) servePing(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusNoContent)