1 files changed, 30 insertions, 0 deletions
diff --git a/cors.go b/cors.go
new file mode 100644
index 0000000..a05e6d5
--- /dev/null
+++ b/cors.go
@@ -0,0 +1,30 @@
+package main
+
+import (
+	"net/http"
+)
+
+type CorsAllowAllOrigins struct {
+	AndThen http.Handler
+}
+
+func (c CorsAllowAllOrigins) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	w.Header().Add("Access-Control-Allow-Origin", "*")
+	w.Header().Add("Access-Control-Allow-Methods", "*")
+	w.Header().Add("Access-Control-Allow-Headers", "*")
+	c.AndThen.ServeHTTP(w, r)
+}
+
+type OptionsNoError struct {
+	Error ErrorHandler
+}
+
+func (c OptionsNoError) WithError(err error) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == "OPTIONS" {
+			w.WriteHeader(200)
+		} else {
+			c.Error.WithError(err).ServeHTTP(w, r)
+		}
+	})
+}