git.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        Henri Lampela - henri.lampela@ixonos.com
   8
   9    Situare is free software; you can redistribute it and/or
  10    modify it under the terms of the GNU General Public License
  11    version 2 as published by the Free Software Foundation.
  12
  13    Situare is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with Situare; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  21    USA.
  22 */
  23
  24 #include <qjson/parser.h>
  25
  26 #include <QtDebug>
  27 #include <QDateTime>
  28 #include <QNetworkReply>
  29 #include <QSettings>
  30 #include <QStringList>
  31 #include <QVariantMap>
  32 #include <QWebView>
  33
  34 #ifdef Q_WS_MAEMO_5
  35 #include <QMaemo5InformationBox>
  36 #endif // Q_WS_MAEMO_5
  37
  38 #include "common.h"
  39 #include "../error.h"
  40 #include "network/networkcookiejar.h"
  41 #include "situareservice/situarecommon.h"
  42 #include "ui/mainwindow.h"
  43
  44 #include "facebookauthentication.h"
  45
  46 const QString FB_LOGIN_SUCCESS_URL = "http://www.facebook.com/connect/login_success.html";
  47 const QString FB_LOGIN_URL = "https://www.facebook.com/login.php";
  48
  49 FacebookAuthentication::FacebookAuthentication(MainWindow *mainWindow, QObject *parent)
  50     : QObject(parent),
  51       m_loggedIn(false),
  52       m_browser(0),
  53       m_mainWindow(mainWindow)
  54 {
  55     qDebug() << __PRETTY_FUNCTION__;
  56 }
  57
  58 void FacebookAuthentication::browserDestroyed()
  59 {
  60     qWarning() << __PRETTY_FUNCTION__;
  61
  62     m_mainWindow->toggleProgressIndicator(false);
  63     m_browser = 0;
  64 }
  65
  66 void FacebookAuthentication::clearAccountInformation(bool keepUsername)
  67 {
  68     qDebug() << __PRETTY_FUNCTION__;
  69
  70     QSettings settings(SETTINGS_ORGANIZATION_NAME, SETTINGS_APPLICATION_NAME);
  71
  72     if(!keepUsername) {
  73         settings.remove(SETTINGS_AUTOMATIC_UPDATE_ENABLED);
  74         settings.remove(SETTINGS_AUTOMATIC_UPDATE_INTERVAL);
  75     }
  76
  77     settings.remove(USER_UNSEND_MESSAGE);
  78     settings.remove(USER_UNSEND_MESSAGE_PUBLISH);
  79
  80     NetworkCookieJar::clearCookiesSetting();
  81 }
  82
  83 void FacebookAuthentication::destroyLogin()
  84 {
  85     qWarning() << __PRETTY_FUNCTION__;
  86
  87     m_mainWindow->destroyLoginDialog();
  88     m_browser->deleteLater();
  89 }
  90
  91 bool FacebookAuthentication::isLoggedIn()
  92 {
  93     qWarning() << __PRETTY_FUNCTION__;
  94
  95     return m_loggedIn;
  96 }
  97
  98 void FacebookAuthentication::login()
  99 {
 100     qWarning() << __PRETTY_FUNCTION__;
 101
 102     if (!m_browser) {
 103         m_browser = new QWebView(m_mainWindow);
 104
 105         if (m_browser) {
 106             m_browser->page()->networkAccessManager()->setCookieJar(new NetworkCookieJar());
 107
 108             connect(m_browser, SIGNAL(urlChanged(QUrl)),
 109                     this, SLOT(urlChanged(QUrl)));
 110
 111             connect(m_browser, SIGNAL(destroyed(QObject*)),
 112                     this, SLOT(browserDestroyed()));
 113
 114             connect(m_browser->page()->networkAccessManager(),
 115                     SIGNAL(sslErrors(QNetworkReply*, QList<QSslError>)),
 116                     this, SLOT(sslErrors(QNetworkReply*, QList<QSslError>)));
 117
 118             connect(m_browser->page()->networkAccessManager(), SIGNAL(finished(QNetworkReply*)),
 119                     this, SLOT(networkReplyHandler(QNetworkReply*)));
 120         }
 121     }
 122
 123     if (m_browser) {
 124         QString url = FB_LOGIN_URL + "?";
 125         url.append("api_key=" + API_KEY +"&");
 126         url.append("display=touch&");
 127         url.append("fbconnect=1&");
 128         url.append("next=" + FB_LOGIN_SUCCESS_URL + "&");
 129         url.append("return_session=1&");
 130         url.append("session_version=3&");
 131         url.append("v=1.0&");
 132         url.append("req_perms=publish_stream");
 133
 134         m_browser->load(QUrl(url));
 135
 136         m_mainWindow->toggleProgressIndicator(true);
 137     }
 138 }
 139
 140 void FacebookAuthentication::logOut()
 141 {
 142     qWarning() << __PRETTY_FUNCTION__;
 143
 144     clearAccountInformation();
 145     m_loggedIn = false;
 146     emit loggedOut();
 147 }
 148
 149 void FacebookAuthentication::networkReplyHandler(QNetworkReply *reply)
 150 {
 151     qWarning() <<__PRETTY_FUNCTION__;
 152
 153     if ((reply->error() != QNetworkReply::NoError)
 154         && (reply->error() != QNetworkReply::OperationCanceledError)) {
 155
 156         qCritical() << __PRETTY_FUNCTION__ << "error:" << reply->error() << reply->errorString();
 157         emit error(ErrorContext::NETWORK, reply->error());
 158         destroyLogin();
 159     }
 160 }
 161
 162 QString FacebookAuthentication::parseSession(const QUrl &url)
 163 {
 164     qWarning() << __PRETTY_FUNCTION__;
 165
 166     const QString BEGIN("session={");
 167     const QString END("}");
 168
 169     QString urlString = url.toString();
 170
 171     int begin = urlString.indexOf(BEGIN);
 172     int end = urlString.indexOf(END, begin);
 173
 174     if ((begin > -1) && (end > -1))
 175         return urlString.mid(begin, end - begin + 1);
 176     else
 177         return QString();
 178 }
 179
 180 void FacebookAuthentication::sslErrors(QNetworkReply *reply, const QList<QSslError> &errors)
 181 {
 182     qWarning() << __PRETTY_FUNCTION__;
 183
 184     Q_UNUSED(errors);
 185     reply->ignoreSslErrors();
 186 }
 187
 188 void FacebookAuthentication::urlChanged(const QUrl &url)
 189 {
 190     qWarning() << __PRETTY_FUNCTION__ << url.toString();
 191
 192     /*
 193       Redirects:
 194         * Login with cookie failed:
 195             1) http://m.facebook.com/login.php?api_key=cf77865a5070f2c2ba3b52cbf3371579&cancel_url=http://www.facebook.com/connect/login_failure.html&display=touch&fbconnect=1&next=http://www.facebook.com/connect/uiserver.php?app_id=286811277465&next=http%3A%2F%2Fwww.facebook.com%2Fconnect%2Flogin_success.html&display=touch&cancel_url=http%3A%2F%2Fwww.facebook.com%2Fconnect%2Flogin_failure.html&perms=publish_stream&return_session=1&session_version=3&fbconnect=1&canvas=0&legacy_return=1&method=permissions.request&return_session=1&session_version=3&v=1.0&req_perms=publish_stream&app_id=286811277465&refsrc=http://www.facebook.com/login.php&fbb=ra985c5e9
 196
 197         * Login with cookie succeeded:
 198             1) http://www.facebook.com/connect/uiserver.php?app_id=286811277465&next=http://www.facebook.com/connect/login_success.html&display=touch&cancel_url=http://www.facebook.com/connect/login_failure.html&perms=publish_stream&return_session=1&session_version=3&fbconnect=1&canvas=0&legacy_return=1&method=permissions.request&session={"session_key":"2.iHXi5fLKlHktva2R71xSAw__.3600.1289228400-100001006647973","uid":100001006647973,"expires":1289228400,"secret":"q4_Hn5qRdxnVT_qh3ztv5w__","sig":"c9d29ca857bacec48b952e7d2826a3ca"}&fbb=rb28f24e5
 199             2) http://www.facebook.com/connect/login_success.html?perms=publish_stream&selected_profiles=100001006647973&session={"session_key":"2.iHXi5fLKlHktva2R71xSAw__.3600.1289228400-100001006647973","uid":"100001006647973","expires":1289228400,"secret":"q4_Hn5qRdxnVT_qh3ztv5w__","access_token":"286811277465|2.iHXi5fLKlHktva2R71xSAw__.3600.1289228400-100001006647973|LVTHGW82A98SGvv6Fl43DlCrFT0","sig":"8edd8d611047bcd162abbe9983b25a56"}
 200      */
 201
 202     if (!url.toString().contains("session={")) {
 203         // url parameter doesn't contain session data, so login with cookies failed
 204         qWarning() << __PRETTY_FUNCTION__ << "working credentials required";
 205         m_mainWindow->buildLoginDialog(m_browser);
 206     } else if (url.toString().startsWith(FB_LOGIN_SUCCESS_URL)) {
 207         // login succeeded
 208         const QString session = parseSession(url);
 209         qWarning() << __PRETTY_FUNCTION__ << "login finished, parsed session:" << session;
 210         if (!session.isEmpty()) {
 211             destroyLogin();
 212             m_loggedIn = true;
 213             emit loggedIn(session);
 214         }
 215     }
 216     else {
 217         qWarning() << __PRETTY_FUNCTION__ << "credentials accepted, getting the access_token";
 218     }
 219 }