private void handleChangeSettingsPost(Request request, HttpServletResponse httpServletResponse) throws Exception { LoginInfo loginInfo = userHelpers.getLoginInfo(request); if (loginInfo == null) { WebUtils.redirectToError("Couldn't determine the current user", request, httpServletResponse); return; } String stringItemsPerPage = request.getParameter(PARAM_ITEMS_PER_PAGE); try { loginInfo.itemsPerPage = Integer.parseInt(stringItemsPerPage); } catch (Exception e) { showResult( "Error trying to set the items per page. Expected integer value but got " + stringItemsPerPage, PATH_SETTINGS, request, httpServletResponse); return; } loginInfo.style = request.getParameter(PARAM_STYLE); loginInfo.feedDateFormat = request.getParameter(PARAM_FEED_DATE_FORMAT); // ttt2 validate, better in JSP loginInfoDb.add(loginInfo); // httpServletResponse.sendRedirect(PATH_SETTINGS); showResult("Settings changed", "/", request, httpServletResponse); }
private void handleSignupPost(Request request, HttpServletResponse httpServletResponse) throws Exception { String userId = request.getParameter(PARAM_USER_ID); String userName = request.getParameter(PARAM_USER_NAME); String email = request.getParameter(PARAM_EMAIL); String stringPassword = request.getParameter(PARAM_PASSWORD); String stringPasswordConfirm = request.getParameter(PARAM_PASSWORD_CONFIRM); if (!stringPassword.equals(stringPasswordConfirm)) { WebUtils.redirectToError( "Mismatch between password and password confirmation", request, httpServletResponse); return; } SecureRandom secureRandom = new SecureRandom(); String salt = "" + secureRandom.nextLong(); byte[] password = User.computeHashedPassword(stringPassword, salt); User user = userDb.get(userId); if (user != null) { WebUtils.redirectToError( "There already exists a user with the ID " + userId, request, httpServletResponse); return; } user = new User( userId, userName, password, salt, email, new ArrayList<String>(), Config.getConfig().activateAccountsAtCreation, false); // ttt2 add confirmation by email, captcha, ... List<String> fieldErrors = user.checkFields(); if (!fieldErrors.isEmpty()) { StringBuilder bld = new StringBuilder("Invalid values when trying to create user with ID ") .append(userId) .append("<br/>"); for (String s : fieldErrors) { bld.append(s).append("<br/>"); } WebUtils.redirectToError(bld.toString(), request, httpServletResponse); return; } // ttt2 2 clients can add the same userId simultaneously userDb.add(user); httpServletResponse.sendRedirect("/"); }
private void handleChangePasswordPost(Request request, HttpServletResponse httpServletResponse) throws Exception { LoginInfo loginInfo = userHelpers.getLoginInfo(request); if (loginInfo == null) { WebUtils.redirectToError("Couldn't determine the current user", request, httpServletResponse); return; } String userId = loginInfo.userId; String stringCrtPassword = request.getParameter(PARAM_CURRENT_PASSWORD); String stringNewPassword = request.getParameter(PARAM_PASSWORD); String stringNewPasswordConfirm = request.getParameter(PARAM_PASSWORD_CONFIRM); if (!stringNewPassword.equals(stringNewPasswordConfirm)) { showResult( "Mismatch between password and password confirmation", PATH_SETTINGS, request, httpServletResponse); return; } User user = userDb.get( userId); // ttt1 crashes for wrong ID; 2013.07.20 - no longer have an idea what this is // about if (user == null) { WebUtils.redirectToError("Couldn't find the current user", request, httpServletResponse); return; } if (!user.checkPassword(stringCrtPassword)) { showResult("Incorrect current password", PATH_SETTINGS, request, httpServletResponse); return; } SecureRandom secureRandom = new SecureRandom(); String salt = "" + secureRandom.nextLong(); byte[] password = User.computeHashedPassword(stringNewPassword, salt); user.salt = salt; user.password = password; // ttt3 2 clients can change the password simultaneously userDb.add(user); // httpServletResponse.sendRedirect(PATH_SETTINGS); showResult("Password changed", PATH_SETTINGS, request, httpServletResponse); }
private void handleRemoveFeedPost(Request request, HttpServletResponse httpServletResponse) throws Exception { LOG.info("removing feed"); User user = userHelpers.getUser(request); try { if (user == null) { LOG.error("User not found"); return; } String feedId = request.getParameter(PARAM_FEED_ID); LOG.info(String.format("Removing feed %s for user %s", feedId, user)); // ttt1 add some validation; probably best try to actually get data, set the title, ... if (feedId == null || feedId.equals("")) { LOG.error("feed not specified"); // ttt1 show some error return; } if (user.feedIds.remove( feedId)) { // ttt2 clean up the global feed table; that's probably better done if nobody // accesses a feed for 3 months or so userDb.updateFeeds(user); LOG.info(String.format("Removed feed %s for user %s", feedId, user)); } else { LOG.info(String.format("No feed found with ID %s for user %s", feedId, user)); } } finally { httpServletResponse.sendRedirect(PATH_FEED_ADMIN); } }
private void handleAddFeedPost(Request request, HttpServletResponse httpServletResponse) throws Exception { LOG.info("adding feed"); User user = userHelpers.getUser(request); try { if (user == null) { LOG.error("User not found"); return; } String url = request.getParameter(PARAM_NEW_FEED_URL); // ttt1 add some validation; probably best try to actually get data, set the title, ... if (url == null || url.equals("")) { LOG.error("New feed not specified"); // ttt1 show some error return; } MessageDigest digest = MessageDigest.getInstance("MD5"); String feedId = PrintUtils.byteArrayAsUrlString(digest.digest(url.getBytes("UTF-8"))); feedId = feedId.substring(0, Config.getConfig().feedIdSize); Feed feed = feedDb.get(feedId); if (feed == null) { feed = new Feed(feedId, url); feedDb.add(feed); } if (user.feedIds.contains(feedId)) { LOG.error(String.format("Trying to add existing feed %s to user %s", feedId, user)); } else { user.feedIds.add(feedId); userDb.updateFeeds(user); } } finally { httpServletResponse.sendRedirect(PATH_FEED_ADMIN); } }
private void handleLoginPost( Request request, HttpServletResponse httpServletResponse, boolean secured) throws Exception { String userId = request.getParameter(PARAM_USER_ID); String password = request.getParameter(PARAM_PASSWORD); String rememberAccountStr = request.getParameter(PARAM_REMEMBER_ACCOUNT); boolean rememberAccount = Boolean.parseBoolean(rememberAccountStr); LoginInfo.SessionInfo sessionInfo = UserHelpers.getSessionInfo(request); logOut(sessionInfo.browserId); User user = userDb.get(userId); if (user == null) { WebUtils.redirectToError("User " + userId + " not found", request, httpServletResponse); return; } if (!user.checkPassword(password)) { WebUtils.redirectToError("Invalid password", request, httpServletResponse); return; } if (!user.active) { WebUtils.redirectToError( "Account for User " + userId + " needs to be activated", request, httpServletResponse); return; } LOG.info("Logged in user " + userId); sessionInfo.sessionId = null; if (sessionInfo.browserId == null) { sessionInfo.browserId = getRandomId(); } else { for (LoginInfo loginInfo : loginInfoDb.getLoginsForBrowser(sessionInfo.browserId)) { if (userId.equals(loginInfo.userId)) { sessionInfo.sessionId = loginInfo.sessionId; break; } } } long expireOn = System.currentTimeMillis() + Config.getConfig().loginExpireInterval; if (sessionInfo.sessionId == null) { sessionInfo.sessionId = getRandomId(); Config config = Config.getConfig(); loginInfoDb.add( new LoginInfo( sessionInfo.browserId, sessionInfo.sessionId, userId, expireOn, rememberAccount, config.defaultStyle, config.defaultItemsPerPage, config.defaultFeedDateFormat)); LOG.info(String.format("Logging in in a new session. User: %s", user)); } else { loginInfoDb.updateExpireTime(sessionInfo.browserId, sessionInfo.sessionId, expireOn); LOG.info(String.format("Logging in in an existing session. User: %s", user)); } WebUtils.saveCookies( httpServletResponse, secured, sessionInfo.browserId, sessionInfo.sessionId); httpServletResponse.sendRedirect("/"); }