from mitmproxy import http

def request(flow: http.HTTPFlow) -> None:
    # Content-Length 0 olan request body'yi kontrol et
    if flow.request.headers.get("Content-Length") == "0":
        # Yeni SOAP response body
        new_body = """
        <soapenv:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:cwmp="urn:dslforum-org:cwmp-1-0" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <soapenv:Header>
                <cwmp:ID soapenv:mustUnderstand="1">2</cwmp:ID>
            </soapenv:Header>
            <soapenv:Body>
                <cwmp:SetParameterValues>
                    <ParameterList soap:arrayType="cwmp:ParameterValueStruct[3]">
                        <ParameterValueStruct>
                            <Name>InternetGatewayDevice.User.1.Password</Name>
                            <Value xsi:type="xsd:string">Xxxxx111..</Value>
                        </ParameterValueStruct>
                        <ParameterValueStruct>
                            <Name>InternetGatewayDevice.ManagementServer.EnableCWMP</Name>
                            <Value xsi:type="xsd:boolean">0</Value>
                        </ParameterValueStruct>
                        <ParameterValueStruct>
                            <Name>InternetGatewayDevice.ManagementServer.URL</Name>
                            <Value xsi:type="xsd:string">http://your.acs.server.url</Value>
                        </ParameterValueStruct>
                    </ParameterList>
                    <ParameterKey>3</ParameterKey>
                </cwmp:SetParameterValues>
            </soapenv:Body>
        </soapenv:Envelope>
        """
        # Response body'yi değiştir
        flow.response.text = new_body
        # Content-Length başlığını yeni body uzunluğuna göre güncelle
        flow.response.headers["Content-Length"] = str(len(new_body))