From 030fa4272f91d0cd435caf3ec785f2605487c7f4 Mon Sep 17 00:00:00 2001
From: ale <ale@incal.net>
Date: Sat, 17 Oct 2020 18:43:31 +0100
Subject: [PATCH] Try to handle CORS preflight requests
---
collector.go | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/collector.go b/collector.go
index d1928fa..8b785d0 100644
--- a/collector.go
+++ b/collector.go
@@ -33,7 +33,16 @@ func NewCollector(sink Sink, handlers ...Handler) *Collector {
}
func (c *Collector) ServeHTTP(w http.ResponseWriter, req *http.Request) {
- if req.Method != http.MethodPost {
+ switch req.Method {
+ case http.MethodPost:
+ case http.MethodOptions:
+ w.Header().Set("Access-Control-Allow-Origin", "*")
+ w.Header().Set("Access-Control-Allow-Methods", "POST")
+ w.Header().Set("Access-Control-Allow-Headers", "content-type")
+ w.Header().Set("Access-Control-Max-Age", "86400")
+ w.WriteHeader(http.StatusNoContent)
+ return
+ default:
http.Error(w, "Bad method", http.StatusMethodNotAllowed)
return
}
@@ -56,7 +65,7 @@ hloop:
case ErrNoMatch:
continue
case nil:
- w.WriteHeader(http.StatusNoContent)
+ w.WriteHeader(http.StatusOK)
break hloop
default:
log.Printf("error parsing report: %v", err)
--
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