response_sample.tengo

// A sample for modifing response, try https://httpbin.org/get
// [CA]
modules = append(modules, {
    address: func(m) {
        if m.network == "tcp" && m.domainaddress {
            if m.domainaddress == "httpbin.org:443" {
                return { mitm: true, mitmprotocol: "https", mitmwithbody: true, mitmautohandlecompress: true}
            }
            if m.domainaddress == "httpbin.org:80" {
                return { mitm: true, mitmprotocol: "http", mitmwithbody: true, mitmautohandlecompress: true }
            }
            return
        }
        if m.network == "udp" && m.domainaddress {
            if m.domainaddress == "httpbin.org:443" {
                return { block: true }
            }
        }
    },
    httpresponse: func(request, response) {
        if request["URL"] == "http://httpbin.org/get" || request["URL"] == "https://httpbin.org/get" {
            delete(response, "Alt-Svc") // Avoid upgrading to http3 from http1 or http2
            delete(response, "Content-Security-Policy")
            json := import("json")
            j := json.decode(response["Body"])
            if is_error(j) {
                return j
            }
            j.brook = "一曲肝长断！"
            j.shiliew = "天涯何处觅知音！"
            response["Body"] = json.encode(j)
            return response
        }
    }
})