vcs.maemo.org Git - situare/blob - src/facebookservice/facebookauthentication.cpp

   1 /*
   2    Situare - A location system for Facebook
   3    Copyright (C) 2010  Ixonos Plc. Authors:
   4
   5        Ville Tiensuu - ville.tiensuu@ixonos.com
   6        Kaj Wallin - kaj.wallin@ixonos.com
   7
   8    Situare is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License
  10    version 2 as published by the Free Software Foundation.
  11
  12    Situare is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with Situare; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  20    USA.
  21 */
  22
  23 #include <QtGui>
  24 #include <QtDebug>
  25 #include <QDateTime>
  26 #include "facebookauthentication.h"
  27
  28 FacebookAuthentication::FacebookAuthentication(QWidget *parent)
  29     : QMainWindow(parent)
  30 {
  31     qDebug() << __PRETTY_FUNCTION__;
  32
  33     m_webView = new QWebView;
  34     m_mainlayout = new QHBoxLayout;
  35
  36     // ToDo: use common.h etc.
  37     QString facebookLoginBase = "http://www.facebook.com/login.php?";
  38     QString situarePublicFacebookApiKey = "api_key=4197c64da2fb6b927236feaea32d7d81";
  39     //QString situareDeveloperFacebookApiKey = "api_key=cf77865a5070f2c2ba3b52cbf3371579";
  40     QString interval1 = "&connect_display=popup&v=1.0&next=";
  41     QString situareLoginSuccess = "http://www.facebook.com/connect/login_success.html";
  42     QString interval2 = "&cancel_url=";
  43     QString situareLoginFailure = "http://www.facebook.com/connect/login_failure.html";
  44     QString facebookLoginEnding = "&fbconnect=true&return_session=true&";
  45
  46     m_facebookLoginPage.append(facebookLoginBase);
  47     m_facebookLoginPage.append(situarePublicFacebookApiKey);
  48     m_facebookLoginPage.append(interval1);
  49     m_facebookLoginPage.append(situareLoginSuccess);
  50     m_facebookLoginPage.append(interval2);
  51     m_facebookLoginPage.append(situareLoginFailure);
  52     m_facebookLoginPage.append(facebookLoginEnding);
  53
  54     connect(m_webView, SIGNAL(urlChanged(const QUrl &)), this, SLOT(updateCredentials(const QUrl &)));
  55
  56     readCredentials(m_loginCredentials);
  57
  58     if (!verifyCredentials(m_loginCredentials))
  59         start();
  60     else
  61         emit credentialsReady();
  62
  63 }
  64
  65 FacebookAuthentication::~FacebookAuthentication()
  66 {
  67     qDebug() << __PRETTY_FUNCTION__;
  68     delete m_webView;
  69     delete m_mainlayout;
  70 }
  71
  72 void FacebookAuthentication::start()
  73 {
  74     qDebug() << __PRETTY_FUNCTION__;
  75
  76     const double fontSize = 1.2; // ToDo: use common.h etc.
  77
  78     m_webView->setZoomFactor(fontSize);
  79     m_webView->load(m_facebookLoginPage);
  80     setCentralWidget(m_webView);
  81 }
  82
  83
  84 bool FacebookAuthentication::updateCredentials(const QUrl &url)
  85 {
  86     qDebug() << __PRETTY_FUNCTION__;
  87
  88     bool foundSessionKey = FALSE;
  89     bool foundUserID = FALSE;
  90     bool foundExpires = FALSE;
  91     bool foundSessionSecret = FALSE;
  92     bool foundSig = FALSE;
  93
  94     if (url.isValid()){
  95          qDebug() << "url is valid" << endl;
  96
  97         QString callbackUrl = url.toString();
  98         QString urlEdit(callbackUrl);
  99         qDebug() << "callbackUrl:  " << endl << callbackUrl.toAscii() << endl;
 100
 101         if ( callbackUrl.indexOf("http://www.facebook.com/connect/login_success.html") == 0 ){
 102             qDebug() << "login success" << endl;
 103
 104             // let's find out session key
 105             int indexOfCredential = callbackUrl.indexOf("session_key");
 106
 107             if (indexOfCredential != -1){
 108                 foundSessionKey = TRUE;
 109
 110                 indexOfCredential += 14; //lenght of string "session_key"%
 111                 urlEdit.remove(0,indexOfCredential);
 112                 indexOfCredential = urlEdit.indexOf("uid");
 113                 urlEdit.remove(indexOfCredential, urlEdit.length());
 114                 urlEdit.remove("\",\"");
 115
 116                 qDebug() << "session_key" << endl << urlEdit.toAscii() << endl;
 117                 m_loginCredentials.setSessionKey(urlEdit);
 118             }
 119
 120             // let's find out uid
 121             urlEdit = callbackUrl;
 122             indexOfCredential = callbackUrl.indexOf("uid");
 123
 124             if (indexOfCredential != -1){
 125                 foundUserID = TRUE;
 126
 127                 indexOfCredential += 5; //length of string "uid":
 128                 urlEdit.remove(0,indexOfCredential);
 129                 indexOfCredential = urlEdit.indexOf("expires");
 130                 urlEdit.remove(indexOfCredential, urlEdit.length());
 131                 urlEdit.remove(",\"");
 132
 133                 qDebug() << "userID" << endl << urlEdit.toAscii() << endl;
 134                 m_loginCredentials.setUserID(urlEdit);
 135             }
 136
 137             // let's find out expires
 138             urlEdit = callbackUrl;
 139             indexOfCredential = callbackUrl.indexOf("expires");
 140
 141             if (indexOfCredential != -1){
 142                 foundExpires = TRUE;
 143
 144                 indexOfCredential += 9; //length of string "expires"
 145                 urlEdit.remove(0,indexOfCredential);
 146                 indexOfCredential = urlEdit.indexOf("secret");
 147                 urlEdit.remove(indexOfCredential, urlEdit.length());
 148                 urlEdit.remove(",\"");
 149
 150                 qDebug() << "expires" << endl << urlEdit.toAscii() << endl;
 151                 m_loginCredentials.setExpires(urlEdit);
 152             }
 153
 154             // let's find out sessionsecret
 155             urlEdit = callbackUrl;
 156             indexOfCredential = callbackUrl.indexOf("secret");
 157
 158             if (indexOfCredential != -1){
 159                 foundSessionSecret = TRUE;
 160
 161                 indexOfCredential += 9; //" length of "secret":
 162                 urlEdit.remove(0,indexOfCredential);
 163                 indexOfCredential = urlEdit.indexOf("sig");
 164                 urlEdit.remove(indexOfCredential, urlEdit.length());
 165                 urlEdit.remove("\",\"");
 166
 167                 qDebug() << "sessionSecret" << endl << urlEdit.toAscii() << endl;
 168                 m_loginCredentials.setSessionSecret(urlEdit);
 169             }
 170
 171             // let's find out sig
 172             urlEdit = callbackUrl;
 173             indexOfCredential = callbackUrl.indexOf("sig");
 174
 175             if (indexOfCredential != -1){
 176                 foundSig = TRUE;
 177
 178                 indexOfCredential += 6; //" length of "sig":
 179                 urlEdit.remove(0,indexOfCredential);
 180                 urlEdit.remove("\"}");
 181
 182                 qDebug() << "sig" << endl << urlEdit.toAscii() << endl;
 183                 m_loginCredentials.setSig(urlEdit);
 184             }
 185
 186             m_webView->hide();
 187             emit credentialsReady();
 188             writeCredentials(m_loginCredentials);
 189         }
 190
 191         else if ( callbackUrl.indexOf("https://login.facebook.com/login.php?login_attempt=") == 0){
 192             qWarning() << "login failure" << endl;
 193             emit loginFailure();
 194         }
 195
 196         else if ( callbackUrl.indexOf("http://www.facebook.com/login.php?api_key=") == 0){
 197             qDebug() << "correct loginPage";
 198         }
 199
 200         else {
 201             qDebug() << "totally wrong webPage";
 202             emit loginFailure();
 203             start();
 204         }
 205     }
 206
 207     else {
 208         qDebug() << " Loading of page failed invalid URL" << endl;
 209         emit loginFailure();
 210         return FALSE;
 211     }
 212
 213
 214     return (foundSessionKey && foundUserID && foundExpires && foundSessionSecret && foundSig);
 215 }
 216
 217 void FacebookAuthentication::writeCredentials(const FacebookCredentials &credentials)
 218 {
 219     qDebug() << __PRETTY_FUNCTION__;
 220     QSettings settings("Ixonos", "Situare");
 221
 222     settings.setValue("Session Key", credentials.sessionKey());
 223     settings.setValue("User ID", credentials.userID());
 224     settings.setValue("Expires", credentials.expires());
 225     settings.setValue("Session Secret", credentials.sessionSecret());
 226     settings.setValue("Sig", credentials.sig());
 227 }
 228
 229 void FacebookAuthentication::readCredentials(FacebookCredentials &credentialsFromFile)
 230 {
 231     qDebug() << __PRETTY_FUNCTION__;
 232
 233     QSettings settings("Ixonos", "Situare");
 234
 235     credentialsFromFile.setSessionKey(settings.value("Session Key", "Error").toString());
 236     credentialsFromFile.setUserID(settings.value("User ID", "Error").toString());
 237     credentialsFromFile.setExpires(settings.value("Expires", "Error").toString());
 238     credentialsFromFile.setSessionSecret(settings.value("Session Secret", "Error").toString());
 239     credentialsFromFile.setSig(settings.value("Sig", "Error").toString());
 240 }
 241
 242  FacebookCredentials FacebookAuthentication::loginCredentials() const
 243  {
 244      qDebug() << __PRETTY_FUNCTION__;
 245      return m_loginCredentials;
 246  }
 247
 248  bool FacebookAuthentication::verifyCredentials(const FacebookCredentials &credentials) const
 249  {
 250      qDebug() << __PRETTY_FUNCTION__;
 251      QString expires = credentials.expires();
 252      QDateTime expireTime;
 253      expireTime.setTime_t(expires.toInt());
 254      QString expiresString = expireTime.toString("dd.MM.yyyy  hh:mm:ss");
 255      qDebug() << expiresString.toAscii();
 256
 257      QDateTime currentTime;
 258      currentTime = QDateTime::currentDateTime();
 259      QString currentTimeString = currentTime.toString("dd.MM.yyyy  hh:mm:ss");
 260      qDebug() << currentTimeString.toAscii();
 261
 262      return currentTime < expireTime;
 263  }
 264
 265  void FacebookAuthentication::closeEvent(QCloseEvent *event)
 266  {
 267      qDebug() << __PRETTY_FUNCTION__;
 268      int eventNumber = 0;
 269      eventNumber = event->registerEventType();
 270      qDebug() << "event number" << eventNumber;
 271      emit userExit();
 272      event->accept();
 273  }