Feat: adapt new uploader for s3 like policy

This commit also fix #730, #713, #756, #5

routers/controllers/callback.go

@@ -112,7 +112,6 @@ func COSCallback(c *gin.Context) {
 
 // S3Callback S3上传完成客户端回调
 func S3Callback(c *gin.Context) {
-	c.Header("Access-Control-Allow-Origin", "*")
 	var callbackBody callback.S3Callback
 	if err := c.ShouldBindQuery(&callbackBody); err == nil {
 		res := callbackBody.PreProcess(c)