krfb/invitation.cpp

   1 /***************************************************************************
   2      Copyright 2002 Tim Jansen <tim@tjansen.de>
   3      Copyright 2002 Stefan Taferner <taferner@kde.org>
   4  ***************************************************************************/
   5
   6 /***************************************************************************
   7  *                                                                         *
   8  *   This program is free software; you can redistribute it and/or modify  *
   9  *   it under the terms of the GNU General Public License as published by  *
  10  *   the Free Software Foundation; either version 2 of the License, or     *
  11  *   (at your option) any later version.                                   *
  12  *                                                                         *
  13  ***************************************************************************/
  14
  15 #include "invitation.h"
  16 #include <KRandom>
  17 /*
  18  * Function for (en/de)crypting strings for config file, taken from KMail
  19  * Author: Stefan Taferner <taferner@alpin.or.at>
  20  */
  21 static QString cryptStr(const QString &aStr) {
  22         QString result;
  23         for ( int i = 0; i < aStr.length(); i++)
  24                 result += (aStr[i].unicode() < 0x20) ? aStr[i] :
  25                                 QChar(0x1001F - aStr[i].unicode());
  26         return result;
  27 }
  28
  29 // a random string that doesn't contain i, I, o, O, 1, 0
  30 // based on KRandom::randomString()
  31 static QString readableRandomString(int length) {
  32    QString str;
  33    while (length)
  34    {
  35       int r = KRandom::random() % 62;
  36       r += 48;
  37       if (r > 57)
  38               r += 7;
  39       if (r > 90)
  40               r += 6;
  41       char c = char(r);
  42       if ((c == 'i') ||
  43           (c == 'I') ||
  44           (c == '1') ||
  45           (c == 'o') ||
  46           (c == 'O') ||
  47           (c == '0'))
  48               continue;
  49       str += c;
  50       length--;
  51    }
  52    return str;
  53 }
  54
  55 Invitation::Invitation()
  56 {
  57         m_password = readableRandomString(4)+'-'+readableRandomString(3);
  58         m_creationTime = QDateTime::currentDateTime();
  59         m_expirationTime = QDateTime::currentDateTime().addSecs(INVITATION_DURATION);
  60 }
  61
  62 Invitation::Invitation(const Invitation &x)
  63     : m_password(x.m_password), m_creationTime(x.m_creationTime), m_expirationTime(x.m_expirationTime)
  64 {
  65 }
  66
  67 Invitation::Invitation(const KConfigGroup &config) {
  68         m_password = cryptStr(config.readEntry("password", QString()));
  69         m_creationTime = config.readEntry("creation", QDateTime());
  70         m_expirationTime = config.readEntry("expiration", QDateTime());
  71 }
  72
  73 Invitation::~Invitation() {
  74 }
  75
  76 Invitation &Invitation::operator= (const Invitation&x) {
  77         m_password = x.m_password;
  78         m_creationTime = x.m_creationTime;
  79         m_expirationTime = x.m_expirationTime;
  80         return *this;
  81 }
  82
  83 void Invitation::save(KConfigGroup &config) const {
  84         config.writeEntry("password", cryptStr(m_password));
  85         config.writeEntry("creation", m_creationTime);
  86         config.writeEntry("expiration", m_expirationTime);
  87 }
  88
  89 QString Invitation::password() const {
  90         return m_password;
  91 }
  92
  93 QDateTime Invitation::expirationTime() const {
  94         return m_expirationTime;
  95 }
  96
  97 QDateTime Invitation::creationTime() const {
  98         return m_creationTime;
  99 }
 100
 101 bool Invitation::isValid() const {
 102         return m_expirationTime > QDateTime::currentDateTime();
 103 }
 104
 105 bool Invitation::operator ==(const Invitation & ot)
 106 {
 107     return m_creationTime == ot.m_creationTime && m_password == ot.m_password;
 108 }