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package burp;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
/**
* source code: https://github.com/bit4woo/burp-api-common/blob/master/src/main/java/burp/HelperPlus.java
* author: bit4woo
* github: https://github.com/bit4woo
*
* String getHeadersAsStr(boolean isRequest,byte[] requestOrResponse)
* String getHeadersAsStr(boolean messageIsRequest,IHttpRequestResponse messageInfo)
* getHeaderList
* getHeaderLine
* getHeaderValueOf
*
* addOrUpdateHeaderList
* removeHeaderList
*
* getBody
* updateBoby #将body看做一个整体进行替换
*
* shorturl
* url
* protocol
* host
* port
*
* getParameters
* addParameter --Helper中已经存在
* byte[] addParameter(byte[] request, IParameter parameter);
* byte[] removeParameter(byte[] request, IParameter parameter);
* byte[] updateParameter(byte[] request, IParameter parameter);
* Paras
*
* method
* statusCode
*
*
*/
public class HelperPlus{
private static IExtensionHelpers helpers;
private final static String Header_Spliter = ":";
private final static String Header_Connector = ": ";//contains space
private final static String Header_firstLine_Spliter = " ";
public HelperPlus(IExtensionHelpers helpers) {
HelperPlus.helpers = helpers;
}
/**
* 返回HTTP请求或响应的整个header头部分，与body相对应
*/
public String getHeadersAsStr(boolean isRequest,byte[] requestOrResponse) {
if (requestOrResponse == null){
return null;
}
int bodyOffset = -1;
if(isRequest) {
IRequestInfo analyzeRequest = helpers.analyzeRequest(requestOrResponse);
bodyOffset = analyzeRequest.getBodyOffset();
}else {
IResponseInfo analyzeResponse = helpers.analyzeResponse(requestOrResponse);
bodyOffset = analyzeResponse.getBodyOffset();
}
byte[] byte_header = Arrays.copyOfRange(requestOrResponse,0,bodyOffset);//not length-1
return new String(byte_header);
}
/**
* 返回HTTP请求或响应的整个header头部分，与body相对应
*/
public String getHeadersAsStr(boolean messageIsRequest,IHttpRequestResponse messageInfo) {
if (messageInfo == null){
return null;
}
byte[] requestOrResponse = null;
if(messageIsRequest) {
requestOrResponse = messageInfo.getRequest();
}else {
requestOrResponse = messageInfo.getResponse();
}
return getHeadersAsStr(messageIsRequest, requestOrResponse);
}
/**
* 获取header的字符串数组，是构造burp中请求需要的格式。
* return headers list
*/
public List<String> getHeaderList(boolean messageIsRequest,IHttpRequestResponse messageInfo) {
if (null == messageInfo) {
return new ArrayList<>();
}
byte[] requestOrResponse;
if(messageIsRequest) {
requestOrResponse = messageInfo.getRequest();
}else {
requestOrResponse = messageInfo.getResponse();
}
return getHeaderList(messageIsRequest,requestOrResponse);
}
/**
* 获取请求包或者响应包中的header List
*/
public List<String> getHeaderList(boolean IsRequest,byte[] requestOrResponse) {
if (null == requestOrResponse) {
return new ArrayList<>();
}
if(IsRequest) {
IRequestInfo analyzeRequest = helpers.analyzeRequest(requestOrResponse);
List<String> headers = analyzeRequest.getHeaders();
return headers;
}else {
IResponseInfo analyzeResponse = helpers.analyzeResponse(requestOrResponse);
List<String> headers = analyzeResponse.getHeaders();
return headers;
}
}
/**
* 新增或更新header
*/
public static List<String> addOrUpdateHeader(List<String> headers,String headerName,String headerValue) {
for (String header:headers) {
if (header.contains(":")) {
try {
String headerNameOrigin = header.split(Header_Spliter, 2)[0].trim();//这里的limit=2 可以理解成分割成2份，否则referer可能别分成3份
if (headerNameOrigin.equalsIgnoreCase(headerName)) {
int index = headers.indexOf(header);
headers.remove(header);
headers.add(index, headerName+Header_Connector+headerValue);
return headers;
}
}catch (Exception e) {
}
}
}
headers.add(headerName+Header_Connector+headerValue);
return headers;
}
/**
* 新增或更新header
*/
public IHttpRequestResponse addOrUpdateHeader(boolean messageIsRequest,IHttpRequestResponse messageInfo,String headerName,String headerValue){
List<String> headers = getHeaderList(messageIsRequest,messageInfo);
byte[] body = getBody(messageIsRequest,messageInfo);
headers = addOrUpdateHeader(headers,headerName,headerValue);
byte[] RequestOrResponse = helpers.buildHttpMessage(headers, body);
if (messageIsRequest) {
messageInfo.setRequest(RequestOrResponse);
}else {
messageInfo.setResponse(RequestOrResponse);
}
return messageInfo;
}
/**
* 新增或更新header
*/
public byte[] addOrUpdateHeader(boolean isRequest,byte[] requestOrResponse,String headerName,String headerValue){
List<String> headers = getHeaderList(isRequest,requestOrResponse);
byte[] body = getBody(isRequest,requestOrResponse);
headers = addOrUpdateHeader(headers,headerName,headerValue);
return helpers.buildHttpMessage(headers, body);
}
/**
* 删除header
*/
public static List<String> removeHeader(List<String> headers,String headerNameOrHeaderLine) {
Iterator<String> it = headers.iterator();
while(it.hasNext()) {
String header = it.next();
String headerName = header.split(Header_Spliter, 2)[0].trim();
if (header.toLowerCase().startsWith(headerNameOrHeaderLine.toLowerCase().trim())
&& headerNameOrHeaderLine.length() >= headerName.length()) {
it.remove();
}
}
return headers;
}
/**
* 删除header
*/
public IHttpRequestResponse removeHeader(boolean messageIsRequest,IHttpRequestResponse messageInfo,String headerNameOrHeaderLine){
List<String> headers = getHeaderList(messageIsRequest,messageInfo);
byte[] body = getBody(messageIsRequest,messageInfo);
headers = removeHeader(headers,headerNameOrHeaderLine);
byte[] RequestOrResponse = helpers.buildHttpMessage(headers, body);
if (messageIsRequest) {
messageInfo.setRequest(RequestOrResponse);
}else {
messageInfo.setResponse(RequestOrResponse);
}
return messageInfo;
}
/**
* 删除特定的header。
*/
public byte[] removeHeader(boolean isRequest,byte[] requestOrResponse, String headerNameOrHeaderLine) {
List<String> headers = getHeaderList(isRequest,requestOrResponse);
byte[] body = getBody(isRequest,requestOrResponse);
headers = removeHeader(headers,headerNameOrHeaderLine);
return helpers.buildHttpMessage(headers, body);
}
/**
* 获取某个header的整行，如果没有此header，返回null，以header的名称作为查找依据。
*/
public static String getHeaderLine(List<String> headers,String headerName) {
if (null ==headers || headerName ==null) return null;
for (String header:headers) {
if (header.contains(":")) {
try {
String headerNameOrigin = header.split(Header_Spliter, 2)[0].trim();//这里的limit=2 可以理解成分割成2份，否则referer可能别分成3份
if (headerNameOrigin.equalsIgnoreCase(headerName)) {
return header;
}
}catch (Exception e) {
}
}
}
return null;
}
/**
* 获取某个header的整行，如果没有此header，返回null，以header的名称作为查找依据。
*/
public String getHeaderLine(boolean messageIsRequest,IHttpRequestResponse messageInfo, String headerName) {
List<String> headers = getHeaderList(messageIsRequest,messageInfo);
return getHeaderLine(headers,headerName);
}
/**
* 获取某个header的整行，如果没有此header，返回null，以header的名称作为查找依据。
*/
public String getHeaderLine(boolean messageIsRequest,byte[] requestOrResponse, String headerName) {
List<String> headers=getHeaderList(messageIsRequest,requestOrResponse);
return getHeaderLine(headers,headerName);
}
/**
* 获取某个header的值，如果没有此header，返回null。
*/
public static String getHeaderValueOf(List<String> headers,String headerName) {
if (null ==headers || headerName ==null) return null;
for (String header:headers) {
if (header.contains(":")) {
try {
String headerNameOrigin = header.split(Header_Spliter, 2)[0].trim();//这里的limit=2 可以理解成分割成2份，否则referer可能别分成3份
String headerValue = header.split(Header_Spliter, 2)[1].trim();
if (headerNameOrigin.equalsIgnoreCase(headerName)) {
return headerValue;
}
}catch (Exception e) {
}
}
}
return null;
}
/**
* 获取某个header的值，如果没有此header，返回null。
*/
public String getHeaderValueOf(boolean messageIsRequest,IHttpRequestResponse messageInfo, String headerName) {
List<String> headers = getHeaderList(messageIsRequest,messageInfo);
return getHeaderValueOf(headers,headerName);
}
/**
* 获取某个header的值，如果没有此header，返回null。
*/
public String getHeaderValueOf(boolean messageIsRequest,byte[] requestOrResponse, String headerName) {
List<String> headers=getHeaderList(messageIsRequest,requestOrResponse);
return getHeaderValueOf(headers,headerName);
}
/**
* 获取数据包的body
*/
public static byte[] getBody(boolean isRequest,byte[] requestOrResponse) {
if (requestOrResponse == null){
return null;
}
int bodyOffset = -1;
if (helpers != null) {
if(isRequest) {
IRequestInfo analyzeRequest = helpers.analyzeRequest(requestOrResponse);
bodyOffset = analyzeRequest.getBodyOffset();
}else {
IResponseInfo analyzeResponse = helpers.analyzeResponse(requestOrResponse);
bodyOffset = analyzeResponse.getBodyOffset();
}
}else {
bodyOffset = Common.BytesIndexOf("\r\n\r\n".getBytes(), requestOrResponse);
bodyOffset = bodyOffset+4;
}
byte[] byte_body = Arrays.copyOfRange(requestOrResponse, bodyOffset, requestOrResponse.length);//not length-1
//String body = new String(byte_body); //byte[] to String
return byte_body;
}
/**
* 获取数据包的body
*/
public static byte[] getBody(boolean messageIsRequest,IHttpRequestResponse messageInfo) {
if (messageInfo == null){
return null;
}
byte[] requestOrResponse = null;
if(messageIsRequest) {
requestOrResponse = messageInfo.getRequest();
}else {
requestOrResponse = messageInfo.getResponse();
}
return getBody(messageIsRequest, requestOrResponse);
}
/**
* 更新数据包的body
*/
public IHttpRequestResponse UpdateBody(boolean messageIsRequest,IHttpRequestResponse messageInfo,byte[] body){
List<String> headers = getHeaderList(messageIsRequest,messageInfo);
byte[] RequestOrResponse = helpers.buildHttpMessage(headers, body);
if (messageIsRequest) {
messageInfo.setRequest(RequestOrResponse);
}else {
messageInfo.setResponse(RequestOrResponse);
}
return messageInfo;
}
/**
* 更新数据包的body
*/
public byte[] UpdateBody(boolean isRequest,byte[] requestOrResponse,byte[] body){
List<String> headers = getHeaderList(isRequest,requestOrResponse);
return helpers.buildHttpMessage(headers, body);
}
/**
* return Type is URL,not String.
* use equal() function to compare URL object.
* the string contains default port or not both OK, but the path(/) is sensitive
* URL对象可以用它自己提供的equal()函数进行对比，是否包含默认端口都是没有关系的。但最后的斜杠path却是有关系的。
*
* result example:
*
* eg. http://bit4woo.com/ 不包含默认端口；包含默认path(/)
* 是符合通常浏览器中使用格式的
*/
public static URL getShortURL(IHttpRequestResponse messageInfo){
if (null == messageInfo) return null;
IHttpService service = messageInfo.getHttpService();
//String shortUrlString = messageInfo.getHttpService().toString();//http://www.baidu.com
//新版本burp中，API发生了变化，返回结果是这种burp.Ze6r@7f06cf44/
String shortUrlString = getShortURL(service);
try {
return new URL(shortUrlString);
} catch (MalformedURLException e) {
e.printStackTrace();
return null;
}
}
public static String getShortURL(IHttpService service){
//String shortUrlString = messageInfo.getHttpService().toString();//http://www.baidu.com
//新版本burp中，API发生了变化，返回结果是这种burp.Ze6r@7f06cf44/
if (service ==null){
return null;
}
String shortUrlString = service.getProtocol()+"://"+service.getHost()+":"+service.getPort()+"/";
shortUrlString = removeDefaultPort(shortUrlString);
return shortUrlString;
}
/**
* return Type is URL,not String.
* use equal() function to compare URL object.
* the string contains default port or not both OK, but the path(/) is sensitive
* URL对象可以用它自己提供的equal()函数进行对比，是否包含默认端口都是没有关系的。但最后的斜杠path却是有关系的。
*
* result example:
*
* eg. http://bit4woo.com:80/ 包含默认端口和默认path(/)
* @param messageInfo
* @return
*/
public static URL getShortURLWithDefaultPort(IHttpRequestResponse messageInfo){
if (null == messageInfo) return null;
IHttpService service = messageInfo.getHttpService();
//String shortUrlString = messageInfo.getHttpService().toString();//http://www.baidu.com
//新版本burp中，API发生了变化，返回结果是这种burp.Ze6r@7f06cf44/
String shortUrlString = getShortURL(service);
shortUrlString = formateURLString(shortUrlString);
try {
return new URL(shortUrlString);
} catch (MalformedURLException e) {
e.printStackTrace();
return null;
}
}
/**
* return Type is URL,not String.
* use equal() function to compare URL object. the string contains default port or not both OK, but the path(/) is sensitive
* URL对象可以用它自己提供的equal()函数进行对比，是否包含默认端口都是没有关系的。但最后的斜杠path却是有关系的。
*
* 不包含默认端口的URL格式，符合通常浏览器中的格式
* http://bit4woo.com/test.html#123
*/
public final URL getFullURL(IHttpRequestResponse messageInfo){
if (null == messageInfo) return null;
IRequestInfo analyzeRequest = helpers.analyzeRequest(messageInfo);
String tmpurl = analyzeRequest.getUrl().toString();
tmpurl = removeDefaultPort(tmpurl);
try {
URL url = new URL(tmpurl);
return url;
} catch (MalformedURLException e) {
e.printStackTrace();
return null;
}
}
/**
* return Type is URL,not String.
* use equal() function to compare URL object. the string contains default port or not both OK, but the path(/) is sensitive
* URL对象可以用它自己提供的equal()函数进行对比，是否包含默认端口都是没有关系的。但最后的斜杠path却是有关系的。
*
* 这个函数的返回结果转换成字符串是包含了默认端口的。
* http://bit4woo.com:80/test.html#123
*/
public final URL getFullURLWithDefaultPort(IHttpRequestResponse messageInfo){
if (null == messageInfo) return null;
IRequestInfo analyzeRequest = helpers.analyzeRequest(messageInfo);
return analyzeRequest.getUrl();
}
/**
* to let url String contains default port(80\443) and default path(/)
*
* from: http://bit4woo.com
* to : http://bit4woo.com:80/
*/
@Deprecated
public static String formateURLString(String urlString) {
return addDefaultPort(urlString);
}
/**
* 对URL添加默认端口。
* burp中获取到的URL是包含默认端口的，但是平常浏览器中的URL格式都是不包含默认端口的。
* 应该尽量和平常使用习惯保存一致！所以尽量避免使用该函数。
* @param urlString
* @return
*/
public static String addDefaultPort(String urlString) {
try {
//urlString = "https://www.runoob.com";
URL url = new URL(urlString);
String host = url.getHost();
int port = url.getPort();
String path = url.getPath();
if (port == -1) {
String newHost = url.getHost()+":"+url.getDefaultPort();
urlString = urlString.replaceFirst(host, newHost);
}
if (path.equals("")) {
urlString = urlString+"/";
}
return new URL(urlString).toString();
} catch (MalformedURLException e) {
e.printStackTrace();
return urlString;
}
}
// 添加默认端口的方法
public static String getUrlWithDefaultPort(String url) {
try {
URI uri = new URI(url);
// 如果URL中没有明确指定端口，且协议为http，则添加默认端口80
if (uri.getPort() == -1 ) {
if ("http".equalsIgnoreCase(uri.getScheme())) {
return new URI(uri.getScheme(), uri.getUserInfo(), uri.getHost(), 80, uri.getPath(), uri.getQuery(), uri.getFragment()).toString();
}
if ("https".equalsIgnoreCase(uri.getScheme())) {
return new URI(uri.getScheme(), uri.getUserInfo(), uri.getHost(), 443, uri.getPath(), uri.getQuery(), uri.getFragment()).toString();
}
}
// 其他情况直接返回原始URL
return url;
} catch (URISyntaxException e) {
// 处理URI语法错误
e.printStackTrace();
return url;
}
}
/**
* remove default port(80\443) from the url
* 这个格式和我们平常浏览器中看到的格式才是一致的，符合使用习惯
*
* from: http://bit4woo.com:80/
* to : http://bit4woo.com/
*/
public static String removeDefaultPort(String urlString) {
try {
//urlString = "https://www.runoob.com";
URL url = new URL(urlString);
String protocol = url.getProtocol();
String host = url.getHost();
int port = url.getPort();//不包含端口时返回-1
String path = url.getPath();
if ((port == 80 && protocol.equalsIgnoreCase("http"))
|| (port == 443 && protocol.equalsIgnoreCase("https"))) {
String oldHost = url.getHost()+":"+url.getPort();
urlString = urlString.replaceFirst(oldHost, host);
}
if (path.equals("")) {
urlString = urlString+"/";
}
return new URL(urlString).toString();
} catch (MalformedURLException e) {
e.printStackTrace();
return urlString;
}
}
public static String getHost(IHttpRequestResponse messageInfo) {
return messageInfo.getHttpService().getHost();
}
public static String getProtocol(IHttpRequestResponse messageInfo) {
return messageInfo.getHttpService().getProtocol();
}
public static int getPort(IHttpRequestResponse messageInfo) {
return messageInfo.getHttpService().getPort();
}
public short getStatusCode(IHttpRequestResponse messageInfo) {
if (messageInfo == null || messageInfo.getResponse() == null) {
return -1;
}
IResponseInfo analyzedResponse = helpers.analyzeResponse(messageInfo.getResponse());
return analyzedResponse.getStatusCode();
}
public short getStatusCode(byte[] response) {
if (response == null) {
return -1;
}
try {
IResponseInfo analyzedResponse = helpers.analyzeResponse(response);
return analyzedResponse.getStatusCode();
} catch (Exception e) {
return -1;
}
}
public List<IParameter> getParameters(IHttpRequestResponse messageInfo){
IRequestInfo analyzeRequest = helpers.analyzeRequest(messageInfo);
return analyzeRequest.getParameters();
}
public List<IParameter> getParameters(byte[] request){
IRequestInfo analyzeRequest = helpers.analyzeRequest(request);
return analyzeRequest.getParameters();
}
/**
* 使用burp.IExtensionHelpers.getRequestParameter(byte[], String),未考虑同名参数的情况！
*/
public IParameter getParameterByKey(IHttpRequestResponse messageInfo,String key){
return helpers.getRequestParameter(messageInfo.getRequest(), key);
}
public IParameter getParameterByKey(byte[] request,String key){
return helpers.getRequestParameter(request, key);
}
/**
* 根据参数的key查找IParameter对象，考虑了同名函数的情况，但这种情况很少，几乎用不上。
* 尽量不要使用这个函数
*/
@Deprecated
public static List<IParameter> findParametersByKey(List<IParameter> parameters,String key){
List<IParameter> result = new ArrayList<IParameter>();
for (IParameter para:parameters) {
if (para.getName().equalsIgnoreCase(key)){
result.add(para);
}
}
return result;
}
/**
* 根据参数的key和type查找IParameter对象
* 考虑了同名函数的情况，但这种情况很少，几乎用不上
* 尽量不要使用这个函数
*/
@Deprecated
public static List<IParameter> findParametersByKeyAndType(List<IParameter> parameters,String key,byte type){
List<IParameter> result = new ArrayList<IParameter>();
for (IParameter para:parameters) {
if (para.getName().equalsIgnoreCase(key) && para.getType() == type){
result.add(para);
}
}
return result;
}
/**
* 考虑了同名函数的情况，但这种情况很少，几乎用不上
* 尽量不要使用这个函数
*/
@Deprecated
public List<IParameter> getParametersByKeyAndType(IHttpRequestResponse messageInfo,String key,byte type){
IRequestInfo analyzeRequest = helpers.analyzeRequest(messageInfo);
List<IParameter> paras = analyzeRequest.getParameters();
return findParametersByKeyAndType(paras,key,type);
}
/**
* 考虑了同名函数的情况，但这种情况很少，几乎用不上
* 尽量不要使用这个函数
*/
@Deprecated
public List<IParameter> getParametersByKeyAndType(byte[] request,String key,byte type){
IRequestInfo analyzeRequest = helpers.analyzeRequest(request);
return findParametersByKeyAndType(analyzeRequest.getParameters(),key,type);
}
public IHttpRequestResponse addOrUpdateParameter(IHttpRequestResponse messageInfo,IParameter para){
byte[] request = messageInfo.getRequest();
request = addOrUpdateParameter(request, para);
messageInfo.setRequest(request);
return messageInfo;
}
public byte[] addOrUpdateParameter(byte[] request,IParameter para){
IParameter existPara = helpers.getRequestParameter(request, para.getName());
if (null != existPara) {
request = helpers.removeParameter(request, existPara);
}
request = helpers.addParameter(request, para);
return request;
}
public IHttpRequestResponse removeParameter(IHttpRequestResponse messageInfo, IParameter parameter) {
byte[] request = messageInfo.getRequest();
request = helpers.removeParameter(request, parameter);
messageInfo.setRequest(request);
return messageInfo;
}
public String getMethod(IHttpRequestResponse messageInfo){
if (messageInfo == null || messageInfo.getRequest() == null) {
return null;
}
IRequestInfo analyzedRequest = helpers.analyzeRequest(messageInfo.getRequest());
return analyzedRequest.getMethod();
}
public String getMethod(byte[] request){
if (request == null) {
return null;
}
try {
IRequestInfo analyzedRequest = helpers.analyzeRequest(request);
return analyzedRequest.getMethod();
} catch (Exception e) {
return null;
}
}
public String getHTTPBasicCredentials(IHttpRequestResponse messageInfo) throws Exception{
String authHeader = getHeaderValueOf(true, messageInfo, "Authorization").trim();
String[] parts = authHeader.split("\\s");
if (parts.length != 2)
throw new Exception("Wrong number of HTTP Authorization header parts");
if (!parts[0].equalsIgnoreCase("Basic"))
throw new Exception("HTTP authentication must be Basic");
return parts[1];
}
private static void test1() {
List<String> headerList = new ArrayList<String>();
headerList.add("User-Agent: sssss");
headerList.add("Use: sssss");
headerList.add("User: sssss");
headerList.add("Agent: sssss");
List<String> newHeader = removeHeader(headerList,"Use");
System.out.println(newHeader.toString());
newHeader = addOrUpdateHeader(headerList,"Use1","xxxx");
System.out.println(newHeader.toString());
}
private static void test2() {
String url = "http://www.baidu.com";
String url2 = "https://www.baidu.com:443";
System.out.println(addDefaultPort(url));
System.out.println(removeDefaultPort(url2));
System.out.println(removeDefaultPort(url));
System.out.println(addDefaultPort(url));
}
public static void main(String args[]) {
test2();
}
}