/* This file is part of BORG. BORG is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. BORG is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with BORG; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Copyright 2003 by Mike Berger */ /* * popups.java * * Created on January 16, 2004, 3:08 PM */ package net.sf.borg.model; import net.sf.borg.common.PrefName; import net.sf.borg.common.Prefs; import net.sf.borg.common.Resource; import net.sf.borg.common.SendJavaMail; import net.sf.borg.model.entity.Appointment; import net.sf.borg.model.entity.CalendarEntity; import net.sf.borg.model.entity.Task; import javax.crypto.Cipher; import javax.crypto.CipherOutputStream; import javax.crypto.KeyGenerator; import javax.crypto.SecretKey; import javax.crypto.spec.SecretKeySpec; import java.io.ByteArrayOutputStream; import java.io.OutputStream; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.*; import java.util.logging.Logger; /** * this class handles the daily email reminder */ public class EmailReminder { static private final Logger log = Logger.getLogger("net.sf.borg"); /** * Checks if entity should be shown as strike-through on a certain date. * * @param appt the entity * @param date the date * * @return true, if is strike */ private static boolean isStrike(CalendarEntity appt, Date date) { return (appt.getColor() != null && appt.getColor().equals("strike")) || (appt.isTodo() && !(appt.getNextTodo() == null || !appt .getNextTodo().after(date))); } static public void sendDailyEmailReminder(Calendar emailday) throws Exception { sendDailyEmailReminder(emailday, false); } /** * Send daily email reminder. * * @param emailday * the emailday * * @param forceResend * resend the daily email, even if it was already sent * * @throws Exception * the exception */ static public void sendDailyEmailReminder(Calendar emailday, boolean forceResend) throws Exception { // check if the email feature has been enabled String email = Prefs.getPref(PrefName.EMAILENABLED); if (email.equals("false")) return; // get the SMTP host and address String host = Prefs.getPref(PrefName.EMAILSERVER); String addr = Prefs.getPref(PrefName.EMAILADDR); String from = Prefs.getPref(PrefName.EMAILFROM); if (host.equals("") || addr.equals("")) return; Calendar cal = new GregorianCalendar(); // if no date passed in, the timer has gone off and we need to check if // we // can send // email now int doy = -1; if (emailday == null) { // get the last day that email was sent int lastday = Prefs.getIntPref(PrefName.EMAILLAST); // if email was already sent today - don't send again doy = cal.get(Calendar.DAY_OF_YEAR); if (doy == lastday && forceResend == false) return; // create the calendar model key for tomorrow cal.add(Calendar.DATE, 1); } else { // just send email for the requested day cal = emailday; } // tx is the contents of the email String ap_tx = "Appointments for " + DateFormat.getDateInstance().format(cal.getTime()) + ":\n"; StringBuffer tx = new StringBuffer(); // get the list of appts for the requested day Collection<Integer> l = AppointmentModel.getReference().getAppts( cal.getTime()); if (l != null) { Appointment appt; // iterate through the day's appts for (Integer ik : l) { try { // read the appointment from the calendar model appt = AppointmentModel.getReference().getAppt( ik.intValue()); // get the appt flags to see if the appointment is private // if so, don't include it in the email if (appt.isPrivate()) continue; // skip strike through items if( isStrike(appt, cal.getTime())) continue; if (!AppointmentModel.isNote(appt)) { // add the appointment time to the email if it is not a // note Date d = appt.getDate(); SimpleDateFormat df = AppointmentModel.getTimeFormat(); tx.append(df.format(d) + " "); } // add the appointment text if (appt.isEncrypted()) tx.append(Resource.getResourceString("EncryptedItemShort")); else { // only show first line of appointment text String s = appt.getText(); int ii = s.indexOf('\n'); if (ii != -1) { tx.append(s, 0, ii); } else { tx.append(s); } } tx.append("\n"); } catch (Exception e) { log.severe(e.toString()); return; } } } // load any task tracker items for the email Collection<Task> tasks = TaskModel.getReference().get_tasks( cal.getTime()); if (l != null && tasks != null) { for (Task task : tasks) { // add each task to the email - and remove newlines tx.append("Task[" + task.getKey() + "] "); tx.append(task.getSummary()); tx.append("\n"); } } // add any outstanding todos Collection<Appointment> todos = AppointmentModel.getReference().get_todos(); StringBuffer tdbuf = new StringBuffer(); for( Appointment todo : todos ) { Date nt = todo.getNextTodo(); if (nt == null) { nt = todo.getDate(); } Calendar tdcal = new GregorianCalendar(); tdcal.setTime(nt); tdcal.set(Calendar.SECOND, 59); tdcal.set(Calendar.MINUTE, 59); tdcal.set(Calendar.HOUR_OF_DAY, 23); if( tdcal.before(cal)) { if (!AppointmentModel.isNote(todo)) { // add the appointment time to the email if it is not a // note Date d = todo.getDate(); SimpleDateFormat df = AppointmentModel.getTimeFormat(); tdbuf.append(df.format(d) + " "); } // add the appointment text if (todo.isEncrypted()) tdbuf.append(Resource.getResourceString("EncryptedItemShort")); else { // only show first line of appointment text String s = todo.getText(); int ii = s.indexOf('\n'); if (ii != -1) { tdbuf.append(s, 0, ii); } else { tdbuf.append(s); } } tdbuf.append("\n"); } } if( !tdbuf.toString().equals("")) { tx.append("\n\n"); tx.append(Resource.getResourceString("OverDue")); tx.append("\n" + tdbuf); } // send the email using SMTP if (!tx.toString().equals("")) { String stx = ap_tx + tx; StringTokenizer stk = new StringTokenizer(addr, ",;"); while (stk.hasMoreTokens()) { String a = stk.nextToken(); String f; if( from == null || from.isEmpty()) f = a.trim(); else f= from; if (!a.equals("")) { SendJavaMail.sendMail(host, stx, Resource.getResourceString("Reminder_Notice"), f, a.trim(), Prefs.getPref(PrefName.EMAILUSER), gep()); } } } else { log.info("Skipping email"); } // record that we sent email today if (doy != -1) Prefs.putPref(PrefName.EMAILLAST, Integer.valueOf(doy)); return; } // intentionally undocumented - not foolproof. unrelated to memo and appt // encryption, which is fully secure public static String gep() throws Exception { String p1 = Prefs.getPref(PrefName.EMAILPASS2); String p2 = Prefs.getPref(PrefName.EMAILPASS); if ("".equals(p2)) return p2; if ("".equals(p1)) { sep(p2); // transition case return p2; } byte[] ba = Base64.getDecoder().decode(p1); SecretKey key = new SecretKeySpec(ba, "AES"); // BUG: CWE-327: Use of a Broken or Risky Cryptographic Algorithm// Cipher dec = Cipher.getInstance("AES");// FIXED: dec.init(Cipher.DECRYPT_MODE, key); byte[] decba = Base64.getDecoder().decode(p2); ByteArrayOutputStream baos = new ByteArrayOutputStream(); OutputStream os = new CipherOutputStream(baos, dec); os.write(decba); os.close(); return baos.toString(); } // intentionally undocumented - not foolproof. unrelated to memo and appt // encryption, which is // fully secure public static void sep(String s) throws Exception { if ("".equals(s)) { Prefs.putPref(PrefName.EMAILPASS, s); return; } String p1 = Prefs.getPref(PrefName.EMAILPASS2); if ("".equals(p1)) { KeyGenerator keyGen = KeyGenerator.getInstance("AES"); SecretKey key = keyGen.generateKey(); p1 = new String(Base64.getEncoder().encode(key.getEncoded())); Prefs.putPref(PrefName.EMAILPASS2, p1); } byte[] ba = Base64.getDecoder().decode(p1); SecretKey key = new SecretKeySpec(ba, "AES"); Cipher enc = Cipher.getInstance("AES"); enc.init(Cipher.ENCRYPT_MODE, key); ByteArrayOutputStream baos = new ByteArrayOutputStream(); OutputStream os = new CipherOutputStream(baos, enc); os.write(s.getBytes()); os.close(); ba = baos.toByteArray(); Prefs.putPref(PrefName.EMAILPASS, new String(Base64.getEncoder().encode(ba))); } } |