Program: 21054
Project: 21054
Buggy source:
public ArrayList<DownloadLink> decryptIt(CryptedLink param,ProgressController progress) throws Exception {
  ArrayList<DownloadLink> decryptedLinks=new ArrayList<DownloadLink>();
  String parameter=param.toString();
  setBrowserExclusive();
  br.getPage("String_Node_Str");
  br.getPage(parameter);
  Form form=br.getForm(1);
  if (form == null)   return null;
  if (br.containsHTML("String_Node_Str")) {
    for (int i=1; i <= 5; i++) {
      String folderPass=getUserInput("String_Node_Str",param);
      form.put("String_Node_Str",folderPass);
      br.submitForm(form);
      if (br.containsHTML("String_Node_Str"))       throw new DecrypterException("String_Node_Str");
      if (!br.containsHTML("String_Node_Str"))       break;
    }
    if (br.containsHTML("String_Node_Str"))     throw new DecrypterException("String_Node_Str");
  }
  for (int i=1; i <= 5; i++) {
    String code=getCaptchaCode("String_Node_Str",param);
    form.put("String_Node_Str","String_Node_Str" + getCode(code));
    Browser br3=br.cloneBrowser();
    br3.submitForm(form);
    String error=br3.getRegex("String_Node_Str").getMatch(0);
    if (error == null)     break;
    if (error != null && i == 5)     throw new DecrypterException("String_Node_Str");
  }
  String password=br.getRegex("String_Node_Str").getMatch(0,2);
  if (password != null)   password=password.trim();
  String[] mirrors=br.getRegex("String_Node_Str").getColumn(0);
  if (mirrors.length == 0)   return null;
  for (  String mirror : mirrors) {
    ArrayList<DownloadLink> tempDecryptedLinks=new ArrayList<DownloadLink>();
    Browser br2=br.cloneBrowser();
    while (form.hasInputFieldByName("String_Node_Str"))     form.remove("String_Node_Str");
    form.put("String_Node_Str",mirror);
    br2.submitForm(form);
    String[][] containers=br2.getRegex("String_Node_Str").getMatches();
    for (    String[] container : containers) {
      Browser br3=br2.cloneBrowser();
      File containerFile=JDUtilities.getResourceFile("String_Node_Str" + System.currentTimeMillis() + container[1]);
      br3.getHeaders().put("String_Node_Str","String_Node_Str");
      br3.getDownload(containerFile,container[0]);
      if (!JDUtilities.getController().isContainerFile(containerFile)) {
        containerFile.delete();
        continue;
      }
      ArrayList<DownloadLink> dLinks=JDUtilities.getController().getContainerLinks(containerFile);
      containerFile.delete();
      if (dLinks.size() != 0) {
        if (password != null && !password.isEmpty()) {
          for (          DownloadLink dLink : dLinks) {
            dLink.addSourcePluginPassword(password);
            tempDecryptedLinks.add(dLink);
          }
        }
 else         tempDecryptedLinks.addAll(dLinks);
      }
      if (tempDecryptedLinks.size() != 0)       break;
    }
    if (tempDecryptedLinks.size() == 0) {
      String[] links=br2.getRegex("String_Node_Str").getColumn(0);
      if (links.length == 0)       return null;
      progress.setRange(mirrors.length * links.length);
      for (      String link : links) {
        br2.getHeaders().put("String_Node_Str","String_Node_Str");
        br2.getPage(link);
        String rdLink=br2.getRegex("String_Node_Str").getMatch(0);
        if (rdLink == null) {
          Form rsForm=br2.getForm(0);
          if (rsForm != null) {
            rdLink=rsForm.getAction();
          }
 else           rdLink=br2.getRegex("String_Node_Str").getMatch(0);
        }
        if (rdLink == null || rdLink.trim().isEmpty())         return null;
 else         rdLink=rdLink.trim();
        DownloadLink dLink;
        dLink=createDownloadlink(rdLink);
        if (password != null && !password.isEmpty())         dLink.addSourcePluginPassword(password);
        tempDecryptedLinks.add(dLink);
        progress.increase(1);
      }
    }
    decryptedLinks.addAll(tempDecryptedLinks);
  }
  return decryptedLinks;
}

Fixed version (ground truth):
public ArrayList<DownloadLink> decryptIt(CryptedLink param,ProgressController progress) throws Exception {
  ArrayList<DownloadLink> decryptedLinks=new ArrayList<DownloadLink>();
  String parameter=param.toString();
  setBrowserExclusive();
  br.getPage("String_Node_Str");
  br.getPage(parameter);
  Form form=br.getForm(1);
  if (form == null)   return null;
  if (br.containsHTML("String_Node_Str")) {
    for (int i=1; i <= 5; i++) {
      String folderPass=getUserInput("String_Node_Str",param);
      form.put("String_Node_Str",folderPass);
      br.submitForm(form);
      if (br.containsHTML("String_Node_Str"))       throw new DecrypterException("String_Node_Str");
      if (!br.containsHTML("String_Node_Str"))       break;
    }
    if (br.containsHTML("String_Node_Str"))     throw new DecrypterException("String_Node_Str");
  }
  for (int i=1; i <= 5; i++) {
    String code=getCaptchaCode("String_Node_Str",param);
    form.put("String_Node_Str","String_Node_Str" + getCode(code));
    Browser br3=br.cloneBrowser();
    br3.submitForm(form);
    String error=br3.getRegex("String_Node_Str").getMatch(0);
    if (error == null)     break;
    if (error != null && i == 5)     throw new DecrypterException("String_Node_Str");
  }
  String password=br.getRegex("String_Node_Str").getMatch(0,2);
  if (password != null)   password=password.trim();
  String[] mirrors=br.getRegex("String_Node_Str").getColumn(0);
  if (mirrors.length == 0)   return null;
  for (  String mirror : mirrors) {
    ArrayList<DownloadLink> tempDecryptedLinks=new ArrayList<DownloadLink>();
    Browser br2=br.cloneBrowser();
    while (form.hasInputFieldByName("String_Node_Str"))     form.remove("String_Node_Str");
    form.put("String_Node_Str",mirror);
    br2.submitForm(form);
    String[][] containers=br2.getRegex("String_Node_Str").getMatches();
    for (    String[] container : containers) {
      Browser br3=br2.cloneBrowser();
      File containerFile=JDUtilities.getResourceFile("String_Node_Str" + System.currentTimeMillis() + container[1]);
      br3.getHeaders().put("String_Node_Str","String_Node_Str");
      br3.getDownload(containerFile,container[0]);
      if (!JDUtilities.getController().isContainerFile(containerFile)) {
        containerFile.delete();
        continue;
      }
      ArrayList<DownloadLink> dLinks=JDUtilities.getController().getContainerLinks(containerFile);
      containerFile.delete();
      if (dLinks.size() != 0) {
        if (password != null && !password.isEmpty()) {
          for (          DownloadLink dLink : dLinks) {
            dLink.addSourcePluginPassword(password);
            tempDecryptedLinks.add(dLink);
          }
        }
 else         tempDecryptedLinks.addAll(dLinks);
      }
      if (tempDecryptedLinks.size() != 0)       break;
    }
    if (tempDecryptedLinks.size() == 0) {
      String[] links=br2.getRegex("String_Node_Str").getColumn(0);
      if (links.length == 0)       continue;
      progress.setRange(mirrors.length * links.length);
      for (      String link : links) {
        br2.getHeaders().put("String_Node_Str","String_Node_Str");
        br2.getPage(link);
        String rdLink=br2.getRegex("String_Node_Str").getMatch(0);
        if (rdLink == null) {
          Form rsForm=br2.getForm(0);
          if (rsForm != null) {
            rdLink=rsForm.getAction();
          }
 else           rdLink=br2.getRegex("String_Node_Str").getMatch(0);
        }
        if (rdLink == null || rdLink.trim().isEmpty())         continue;
 else         rdLink=rdLink.trim();
        DownloadLink dLink;
        dLink=createDownloadlink(rdLink);
        if (password != null && !password.isEmpty())         dLink.addSourcePluginPassword(password);
        tempDecryptedLinks.add(dLink);
        progress.increase(1);
      }
    }
    decryptedLinks.addAll(tempDecryptedLinks);
  }
  return decryptedLinks;
}