1  from mitmproxy import http
 2  from mitmproxy.http import HTTPFlow  # For typing
 3  
 4  
 5  def request(flow: HTTPFlow):
 6      if flow.request.method == "OPTIONS":
 7          # h = flow.request.headers
 8          flow.response = http.Response.make(
 9              200,
10              b"",
11              {
12                  "content-type": "text/html",
13                  "Access-Control-Allow-Origin": "*",  # Add this header to allow all origins
14                  "Access-Control-Allow-Methods": "GET, POST, PUT, DELETE",  # Add the allowed methods
15                  "Access-Control-Allow-Headers": "Content-Type",  # Add the allowed headers
16              },
17          )