code: public static WikiUser getUser(String wikiId, String siteurl) {
  
      WikiUser result = null;
      try {
        Properties props = getProperties(wikiId);
        result = new WikiUser();
        result.setUsername(props.getProperty("user"));
        result.setEmail(props.getProperty("email"));
        Crypt pcf = new Crypt(props.getProperty("cypher"),
            props.getProperty("salt"));
        result.setPassword(pcf.decrypt(props.getProperty("secret")));
      } catch (FileNotFoundException e) {
        String msg = help(wikiId, siteurl);
        LOGGER.log(Level.SEVERE, msg);
      } catch (IOException e) {
        LOGGER.log(Level.SEVERE, e.getMessage());
      } catch (GeneralSecurityException e) {
        LOGGER.log(Level.SEVERE, e.getMessage());
      }
      return result;
    }
docs: get the Wiki user for the given wikiid
  
  @param wikiId
  - the id of the wiki
  @param siteurl
  - the siteurl
  @return a Wikiuser for this site