Method processHttpMessage

src/burp/BurpExtender.java:173–626

(int toolFlag, boolean messageIsRequest, IHttpRequestResponse iHttpRequestResponse)

    }

    @Override
    public void processHttpMessage(int toolFlag, boolean messageIsRequest, IHttpRequestResponse iHttpRequestResponse) { //处理请求包
        usehttps = iHttpRequestResponse.getHttpService().getProtocol().contains("https");

        // 启用替换
        if ( getRadioButtonUseReqpState() &&  ( ( toolFlag == IBurpExtenderCallbacks.TOOL_PROXY && getRadioButtonReqp111State() ) || ( toolFlag == IBurpExtenderCallbacks.TOOL_REPEATER && getRadioButtonReqp222State() ) ||
                ( toolFlag == IBurpExtenderCallbacks.TOOL_INTRUDER && getRadioButtonReqp333State() )|| (toolFlag == IBurpExtenderCallbacks.TOOL_EXTENDER && getRadioButtonReqp444State() ) )){
            List<String> row_use =  new ArrayList<>();
            //  处理request header头
            for ( int row = 0 ;row <= table.getRowCount()-1; row ++) {
                if ( (Boolean)table.getValueAt(row, 0) ) // 获取enable参数
                    row_use.add(String.valueOf(row));// 将enable参数为true的写入list里
            }

            //  请求有关的参数
            byte[] request = iHttpRequestResponse.getRequest();
            IRequestInfo iRequestInfo = helpers.analyzeRequest(iHttpRequestResponse);
            // 获取请求中的所有参数


            if(messageIsRequest && row_use.size() > 0) {


                List<String> headersList = iRequestInfo.getHeaders();

                String headers_total = "";
                String host_value = "";
                for (String header : headersList) {
                    headers_total = headers_total + header + ("\r\n");
                    String[] host_lists = header.split(":");
                    if (host_lists[0].toLowerCase().equals("host")) {
                        host_value = host_lists[1];
                    }
                }
                int bodyOffset = iRequestInfo.getBodyOffset();

                byte[] body = Arrays.copyOfRange(request, bodyOffset, request.length);
                String code_body = new String(body);

                for (String row : row_use){ //对启用的规则进行替换
                    ishostReqp = false;
                    if ( table.getValueAt(Integer.parseInt(row), 1).toString().equals("*") ){ //  Host
                        ishostReqp = true;
                    }else if(host_value.equals(table.getValueAt(Integer.parseInt(row), 1).toString())) ishostReqp = true;
                    else if (host_value.endsWith(table.getValueAt(Integer.parseInt(row), 1).toString().replace("*",""))) ishostReqp = true;
                    if (ishostReqp) {
                        String Item = table.getValueAt(Integer.parseInt(row), 2).toString(); //Item
                        String Match = table.getValueAt(Integer.parseInt(row), 3).toString(); //Match
                        String Replace = table.getValueAt(Integer.parseInt(row), 4).toString(); //Replace
                        String Type = table.getValueAt(Integer.parseInt(row), 5).toString(); //Type
                        String[] total = MatchandReplace(headers_total, code_body, Type, Item, Match, Replace, REQUEST);
                        headers_total = total[0];
                        code_body = total[1];
                    }
                }

                List<String> end_headerstotallist = Arrays.asList(headers_total.split("\r\n"));