Files
HaE/src/main/java/burp/action/ExtractContent.java
2021-07-06 18:33:11 +08:00

104 lines
4.1 KiB
Java

package burp.action;
import java.io.UnsupportedEncodingException;
import java.util.*;
import dk.brics.automaton.Automaton;
import dk.brics.automaton.AutomatonMatcher;
import dk.brics.automaton.RegExp;
import dk.brics.automaton.RunAutomaton;
import jregex.Matcher;
import jregex.Pattern;
import burp.yaml.LoadRule;
import burp.yaml.LoadConfigFile;
/*
* @author EvilChen
*/
public class ExtractContent {
private LoadConfigFile lcf = new LoadConfigFile();
private LoadRule lr = new LoadRule(lcf.getConfigPath());
public Map<String, Map<String, Object>> matchRegex(byte[] content, String headers, byte[] body, String scopeString) {
Map<String, Map<String, Object>> map = new HashMap<>(); // 最终返回的结果
Map<String,Object[][]> rules = lr.getConfig();
rules.keySet().forEach(i -> {
String matchContent = "";
for (Object[] objects : rules.get(i)) {
// 遍历获取规则
List<String> result = new ArrayList<>();
Map<String, Object> tmpMap = new HashMap<>();
String name = objects[1].toString();
boolean loaded = (Boolean) objects[0];
String regex = objects[2].toString();
String color = objects[3].toString();
String scope = objects[4].toString();
String engine = objects[5].toString();
// 判断规则是否开启与作用域
if (loaded && (scope.contains(scopeString) || scope.equals("any"))) {
switch (scope) {
case "any":
case "request":
case "response":
try {
matchContent = new String(content, "UTF-8").intern();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
break;
case "request header":
case "response header":
matchContent = headers;
break;
case "request body":
case "response body":
try {
matchContent = new String(body, "UTF-8").intern();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
break;
}
if (engine.equals("nfa")) {
Pattern pattern = new Pattern(regex);
Matcher matcher = pattern.matcher(matchContent);
while (matcher.find()) {
// 添加匹配数据至list
// 强制用户使用()包裹正则
result.add(matcher.group(1));
}
} else {
RegExp regexpr = new RegExp(regex);
Automaton auto = regexpr.toAutomaton();
RunAutomaton runAuto = new RunAutomaton(auto, true);
AutomatonMatcher autoMatcher = runAuto.newMatcher(matchContent);
while (autoMatcher.find()) {
// 添加匹配数据至list
// 强制用户使用()包裹正则
result.add(autoMatcher.group());
}
}
// 去除重复内容
HashSet tmpList = new HashSet(result);
result.clear();
result.addAll(tmpList);
if (!result.isEmpty()) {
tmpMap.put("color", color);
tmpMap.put("data", String.join("\n", result));
// 初始化格式
map.put(name, tmpMap);
}
}
}
});
return map;
}
}