first commit

server/httpserver/middleware/cors.go

@@ -0,0 +1,22 @@
+package middleware
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+func Cors() gin.HandlerFunc {
+	return func(ctx *gin.Context) {
+		ctx.Writer.Header().Set("Access-Control-Allow-Origin", "*")
+		ctx.Writer.Header().Set("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept")
+		ctx.Writer.Header().Set("Access-Control-Allow-Methods", "GET, OPTIONS, POST, PUT, DELETE")
+		ctx.Writer.Header().Set("Content-Type", "application/json")
+
+		if ctx.Request.Method == "OPTIONS" {
+			ctx.AbortWithStatus(204)
+			return
+		}
+
+		ctx.Next()
+	}
+}
+