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src/main/java/org/t246osslab/easybuggy/vulnerabilities/CodeInjectionServlet.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package org.t246osslab.easybuggy.vulnerabilities; | ||
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| import java.io.IOException; | ||
| import java.io.PrintWriter; | ||
| import java.util.Locale; | ||
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| import javax.script.ScriptEngine; | ||
| import javax.script.ScriptEngineManager; | ||
| import javax.script.ScriptException; | ||
| import javax.servlet.ServletException; | ||
| import javax.servlet.annotation.WebServlet; | ||
| import javax.servlet.http.HttpServlet; | ||
| import javax.servlet.http.HttpServletRequest; | ||
| import javax.servlet.http.HttpServletResponse; | ||
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|
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| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.t246osslab.easybuggy.utils.Closer; | ||
| import org.t246osslab.easybuggy.utils.HTTPResponseCreator; | ||
| import org.t246osslab.easybuggy.utils.MessageUtils; | ||
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| @SuppressWarnings("serial") | ||
| @WebServlet(urlPatterns = { "/codeijc" }) | ||
| public class CodeInjectionServlet extends HttpServlet { | ||
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| private static Logger log = LoggerFactory.getLogger(CodeInjectionServlet.class); | ||
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| protected void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { | ||
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| PrintWriter writer = null; | ||
| try { | ||
| String jsonString = req.getParameter("jsonString"); | ||
| Locale locale = req.getLocale(); | ||
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| StringBuilder bodyHtml = new StringBuilder(); | ||
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| bodyHtml.append("<form action=\"codeijc\" method=\"post\">"); | ||
| bodyHtml.append(MessageUtils.getMsg("description.parse.json", locale)); | ||
| bodyHtml.append("<br><br>"); | ||
| bodyHtml.append(MessageUtils.getMsg("label.json.string", locale) + ": "); | ||
| bodyHtml.append("<textarea name=\"jsonString\" cols=\"80\" lows=\"10\"></textarea>"); | ||
| bodyHtml.append("<br><br>"); | ||
| bodyHtml.append("<input type=\"submit\" value=\"" + MessageUtils.getMsg("label.submit", locale) + "\">"); | ||
| bodyHtml.append("<br><br>"); | ||
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| if (jsonString != null && !jsonString.equals("")) { | ||
| jsonString = jsonString.replaceAll(" ", ""); | ||
| jsonString = jsonString.replaceAll("\r\n", ""); | ||
| jsonString = jsonString.replaceAll("\n", ""); | ||
| try { | ||
| ScriptEngineManager manager = new ScriptEngineManager(); | ||
| ScriptEngine scriptEngine = manager.getEngineByName("JavaScript"); | ||
| scriptEngine.eval("JSON.parse('" + jsonString + "')"); | ||
| bodyHtml.append(MessageUtils.getMsg("msg.valid.json", locale)); | ||
| } catch (ScriptException e) { | ||
| bodyHtml.append(MessageUtils.getMsg("msg.invalid.json", locale) + " : "); | ||
| bodyHtml.append(e.getMessage()); | ||
| } | ||
| } else { | ||
| bodyHtml.append(MessageUtils.getMsg("msg.enter.json.string", locale)); | ||
| } | ||
| bodyHtml.append("<br><br>"); | ||
| bodyHtml.append(MessageUtils.getMsg("msg.note.code.injection", locale)); | ||
| bodyHtml.append("</form>"); | ||
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| HTTPResponseCreator.createSimpleResponse(res, MessageUtils.getMsg("title.parse.json", locale), | ||
| bodyHtml.toString()); | ||
| } catch (Exception e) { | ||
| log.error("Exception occurs: ", e); | ||
| } finally { | ||
| Closer.close(writer); | ||
| } | ||
| } | ||
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| public String getReverseName(String name) { | ||
| StringBuffer sb = new StringBuffer(name); | ||
| name = sb.reverse().toString(); | ||
| return name; | ||
| } | ||
| } |
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