// Path: src/main/java/burp/HTTPMatcher.java
// public static List<int[]> getMatches(byte[] response, byte[] match, IExtensionHelpers helpers) {
//     List<int[]> matches = new ArrayList<int[]>();
// 
//     int start = 0;
//     while (start < response.length) {
//         start = helpers.indexOf(response, match, true, start, response.length);
//         if (start == -1) {
//             break;
//         }
//         matches.add(new int[]{start, start + match.length});
//         start += match.length;
//     }
// 
//     return matches;
// }
// 
// Path: src/main/java/burp/j2ee/CustomScanIssue.java
// public class CustomScanIssue implements IScanIssue {
// 
//     private IHttpService httpService;
//     private URL url;
//     private IHttpRequestResponse httpMessages;
//     private String name;
//     private String detail;
//     private Risk severity;
//     private String remedy;
//     private Confidence confidence = Confidence.Certain;
//     
//     public CustomScanIssue(
//             IHttpService httpService,
//             URL url,
//             IHttpRequestResponse httpMessages,
//             String name,
//             String detail,
//             String remedy,
//             Risk severity,
//             Confidence confidence) {
//         this.httpService = httpService;
//         this.url = url;
//         this.httpMessages = httpMessages;
//         this.name = "J2EEScan - " + name;
//         this.detail = detail;
//         this.remedy = remedy;
//         this.severity = severity;
//         this.confidence = confidence;
//     }      
//     
// 
//     @Override
//     public URL getUrl() {
//         return url;
//     }
// 
//     @Override
//     public String getIssueName() {
//         return name;
//     }
// 
//     @Override
//     public int getIssueType() {
//         return 0;
//     }
// 
//     @Override
//     public String getSeverity() {
//         return severity.toString();
//     }
// 
//     @Override
//     // "Certain", "Firm" or "Tentative"
//     public String getConfidence() {
//         return confidence.toString();
//     }
// 
//     @Override
//     public String getIssueBackground() {
//         return null;
//     }
// 
//     @Override
//     public String getRemediationBackground() {
//         return null;
//     }
// 
//     @Override
//     public String getIssueDetail() {
//         return detail;
//     }
// 
//     @Override
//     public String getRemediationDetail() {
//         return remedy;
//     }
// 
//     @Override
//     public IHttpRequestResponse[] getHttpMessages() {
//         return new IHttpRequestResponse[]{httpMessages};
//     }
// 
//     @Override
//     public IHttpService getHttpService() {
//         return httpService;
//     }
// 
// }


import static burp.HTTPMatcher.getMatches;
import burp.IBurpExtenderCallbacks;
import burp.IExtensionHelpers;
import burp.IHttpRequestResponse;
import burp.IParameter;
import burp.IRequestInfo;
import burp.IScanIssue;
import burp.IScannerInsertionPoint;
import burp.j2ee.Confidence;
import burp.j2ee.CustomScanIssue;
import burp.j2ee.Risk;
import burp.j2ee.annotation.RunOnlyOnce;
import burp.j2ee.issues.IModule;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
        String multiplication = Integer.toString(firstInt * secondInt);

        String EL_INJECTION_TEST = String.format("${%d*%d}", firstInt, secondInt);
        byte[] GREP_STRING = multiplication.getBytes();

        IExtensionHelpers helpers = callbacks.getHelpers();
        List<IScanIssue> issues = new ArrayList<>();
        IRequestInfo reqInfo = callbacks.getHelpers().analyzeRequest(baseRequestResponse);
        URL curURL = reqInfo.getUrl();
        

        // Specific test for Apache Roller OGNL RCE CVE-2013-4212.
        if (curURL.getPath().contains("login.rol")) {
            byte[] rawrequest = baseRequestResponse.getRequest();
            List<IParameter> parameters = reqInfo.getParameters();

            //Remove URI parameters
            for (IParameter param : parameters) {
                rawrequest = callbacks.getHelpers().removeParameter(rawrequest, param);
            }

            rawrequest = callbacks.getHelpers().addParameter(rawrequest,
                    callbacks.getHelpers().buildParameter("pageTitle", EL_INJECTION_TEST, IParameter.PARAM_URL)
            );

            // make a request containing our injection test in the insertion point
            IHttpRequestResponse checkRequestResponse = callbacks.makeHttpRequest(
                    baseRequestResponse.getHttpService(), rawrequest);

            byte[] response =  checkRequestResponse.getResponse();
// Path: src/main/java/burp/HTTPMatcher.java
// public static List<int[]> getMatches(byte[] response, byte[] match, IExtensionHelpers helpers) {
//     List<int[]> matches = new ArrayList<int[]>();
// 
//     int start = 0;
//     while (start < response.length) {
//         start = helpers.indexOf(response, match, true, start, response.length);
//         if (start == -1) {
//             break;
//         }
//         matches.add(new int[]{start, start + match.length});
//         start += match.length;
//     }
// 
//     return matches;
// }
// 
// Path: src/main/java/burp/j2ee/CustomScanIssue.java
// public class CustomScanIssue implements IScanIssue {
// 
//     private IHttpService httpService;
//     private URL url;
//     private IHttpRequestResponse httpMessages;
//     private String name;
//     private String detail;
//     private Risk severity;
//     private String remedy;
//     private Confidence confidence = Confidence.Certain;
//     
//     public CustomScanIssue(
//             IHttpService httpService,
//             URL url,
//             IHttpRequestResponse httpMessages,
//             String name,
//             String detail,
//             String remedy,
//             Risk severity,
//             Confidence confidence) {
//         this.httpService = httpService;
//         this.url = url;
//         this.httpMessages = httpMessages;
//         this.name = "J2EEScan - " + name;
//         this.detail = detail;
//         this.remedy = remedy;
//         this.severity = severity;
//         this.confidence = confidence;
//     }      
//     
// 
//     @Override
//     public URL getUrl() {
//         return url;
//     }
// 
//     @Override
//     public String getIssueName() {
//         return name;
//     }
// 
//     @Override
//     public int getIssueType() {
//         return 0;
//     }
// 
//     @Override
//     public String getSeverity() {
//         return severity.toString();
//     }
// 
//     @Override
//     // "Certain", "Firm" or "Tentative"
//     public String getConfidence() {
//         return confidence.toString();
//     }
// 
//     @Override
//     public String getIssueBackground() {
//         return null;
//     }
// 
//     @Override
//     public String getRemediationBackground() {
//         return null;
//     }
// 
//     @Override
//     public String getIssueDetail() {
//         return detail;
//     }
// 
//     @Override
//     public String getRemediationDetail() {
//         return remedy;
//     }
// 
//     @Override
//     public IHttpRequestResponse[] getHttpMessages() {
//         return new IHttpRequestResponse[]{httpMessages};
//     }
// 
//     @Override
//     public IHttpService getHttpService() {
//         return httpService;
//     }
// 
// }


// Path: src/main/java/burp/j2ee/issues/impl/ApacheRollerOGNLInjection.java
import static burp.HTTPMatcher.getMatches;
import burp.IBurpExtenderCallbacks;
import burp.IExtensionHelpers;
import burp.IHttpRequestResponse;
import burp.IParameter;
import burp.IRequestInfo;
import burp.IScanIssue;
import burp.IScannerInsertionPoint;
import burp.j2ee.Confidence;
import burp.j2ee.CustomScanIssue;
import burp.j2ee.Risk;
import burp.j2ee.annotation.RunOnlyOnce;
import burp.j2ee.issues.IModule;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;

        String multiplication = Integer.toString(firstInt * secondInt);

        String EL_INJECTION_TEST = String.format("${%d*%d}", firstInt, secondInt);
        byte[] GREP_STRING = multiplication.getBytes();

        IExtensionHelpers helpers = callbacks.getHelpers();
        List<IScanIssue> issues = new ArrayList<>();
        IRequestInfo reqInfo = callbacks.getHelpers().analyzeRequest(baseRequestResponse);
        URL curURL = reqInfo.getUrl();
        

        // Specific test for Apache Roller OGNL RCE CVE-2013-4212.
        if (curURL.getPath().contains("login.rol")) {
            byte[] rawrequest = baseRequestResponse.getRequest();
            List<IParameter> parameters = reqInfo.getParameters();

            //Remove URI parameters
            for (IParameter param : parameters) {
                rawrequest = callbacks.getHelpers().removeParameter(rawrequest, param);
            }

            rawrequest = callbacks.getHelpers().addParameter(rawrequest,
                    callbacks.getHelpers().buildParameter("pageTitle", EL_INJECTION_TEST, IParameter.PARAM_URL)
            );

            // make a request containing our injection test in the insertion point
            IHttpRequestResponse checkRequestResponse = callbacks.makeHttpRequest(
                    baseRequestResponse.getHttpService(), rawrequest);

            byte[] response =  checkRequestResponse.getResponse();
            List<int[]> matches = getMatches(response, GREP_STRING, helpers);