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        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 clearUserInformation)
  67 {
  68     qWarning() << __PRETTY_FUNCTION__ << "clearUserInformation:" << clearUserInformation;
  69
  70     QSettings settings(SETTINGS_ORGANIZATION_NAME, SETTINGS_APPLICATION_NAME);
  71
  72     settings.remove(USER_UNSEND_MESSAGE);
  73     settings.remove(USER_UNSEND_MESSAGE_PUBLISH);
  74
  75     if (clearUserInformation) {
  76         NetworkCookieJar::clearCookiesSetting();
  77         settings.remove(SETTINGS_AUTOMATIC_UPDATE_ENABLED);
  78         settings.remove(SETTINGS_AUTOMATIC_UPDATE_INTERVAL);
  79     }
  80 }
  81
  82 void FacebookAuthentication::destroyLogin()
  83 {
  84     qWarning() << __PRETTY_FUNCTION__;
  85
  86     m_mainWindow->destroyLoginDialog();
  87     m_browser->deleteLater();
  88 }
  89
  90 bool FacebookAuthentication::isLoggedIn() const
  91 {
  92     qWarning() << __PRETTY_FUNCTION__;
  93
  94     return m_loggedIn;
  95 }
  96
  97 void FacebookAuthentication::login()
  98 {
  99     qWarning() << __PRETTY_FUNCTION__;
 100
 101     if (!m_browser) {
 102         m_browser = new QWebView(m_mainWindow);
 103
 104         if (m_browser) {
 105             m_browser->page()->networkAccessManager()->setCookieJar(new NetworkCookieJar());
 106
 107             connect(m_browser, SIGNAL(urlChanged(QUrl)),
 108                     this, SLOT(urlChanged(QUrl)));
 109
 110             connect(m_browser, SIGNAL(destroyed(QObject*)),
 111                     this, SLOT(browserDestroyed()));
 112
 113             connect(m_browser->page()->networkAccessManager(),
 114                     SIGNAL(sslErrors(QNetworkReply*, QList<QSslError>)),
 115                     this, SLOT(sslErrors(QNetworkReply*, QList<QSslError>)));
 116
 117             connect(m_browser->page()->networkAccessManager(), SIGNAL(finished(QNetworkReply*)),
 118                     this, SLOT(networkReplyHandler(QNetworkReply*)));
 119         }
 120     }
 121
 122     if (m_browser) {
 123         QString url = FB_LOGIN_URL + "?";
 124         url.append("api_key=" + API_KEY +"&");
 125         url.append("display=touch&");
 126         url.append("fbconnect=1&");
 127         url.append("next=" + FB_LOGIN_SUCCESS_URL + "&");
 128         url.append("return_session=1&");
 129         url.append("session_version=3&");
 130         url.append("v=1.0&");
 131         url.append("req_perms=publish_stream");
 132
 133         m_browser->load(QUrl(url));
 134
 135         m_mainWindow->toggleProgressIndicator(true);
 136     }
 137 }
 138
 139 void FacebookAuthentication::logOut(bool clearUserInformation)
 140 {
 141     qWarning() << __PRETTY_FUNCTION__;
 142
 143     clearAccountInformation(clearUserInformation);
 144     m_loggedIn = false;
 145     emit loggedOut();
 146 }
 147
 148 void FacebookAuthentication::networkReplyHandler(QNetworkReply *reply)
 149 {
 150     qWarning() <<__PRETTY_FUNCTION__;
 151
 152     if ((reply->error() != QNetworkReply::NoError)
 153         && (reply->error() != QNetworkReply::OperationCanceledError)) {
 154
 155         qCritical() << __PRETTY_FUNCTION__ << "error:" << reply->error() << reply->errorString();
 156         emit error(ErrorContext::NETWORK, reply->error());
 157         destroyLogin();
 158     }
 159 }
 160
 161 QString FacebookAuthentication::parseSession(const QUrl &url)
 162 {
 163     qWarning() << __PRETTY_FUNCTION__;
 164
 165     const QString BEGIN("session={");
 166     const QString END("}");
 167
 168     QString urlString = url.toString();
 169
 170     int begin = urlString.indexOf(BEGIN);
 171     int end = urlString.indexOf(END, begin);
 172
 173     if ((begin > -1) && (end > -1))
 174         return urlString.mid(begin, end - begin + 1);
 175     else
 176         return QString();
 177 }
 178
 179 void FacebookAuthentication::sslErrors(QNetworkReply *reply, const QList<QSslError> &errors)
 180 {
 181     qWarning() << __PRETTY_FUNCTION__;
 182
 183     Q_UNUSED(errors);
 184     reply->ignoreSslErrors();
 185 }
 186
 187 void FacebookAuthentication::urlChanged(const QUrl &url)
 188 {
 189     qWarning() << __PRETTY_FUNCTION__ << url.toString();
 190
 191     /*
 192       Redirects:
 193         * Login with cookie failed:
 194             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
 195
 196         * Login with cookie succeeded:
 197             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
 198             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"}
 199      */
 200
 201     if (!url.toString().contains("session={")) {
 202         // url parameter doesn't contain session data, so login with cookies failed
 203         qWarning() << __PRETTY_FUNCTION__ << "working credentials required";
 204         m_mainWindow->buildLoginDialog(m_browser);
 205     } else if (url.toString().startsWith(FB_LOGIN_SUCCESS_URL)) {
 206         // login succeeded
 207         const QString session = parseSession(url);
 208         qWarning() << __PRETTY_FUNCTION__ << "login finished, parsed session:" << session;
 209         if (!session.isEmpty()) {
 210             destroyLogin();
 211             m_loggedIn = true;
 212             emit loggedIn(session);
 213         }
 214     }
 215     else {
 216         qWarning() << __PRETTY_FUNCTION__ << "credentials accepted, getting the access_token";
 217     }
 218 }