93e3e6586fb49e5db5e2622c4e22554757987fab
[situare] / 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
33 #ifdef Q_WS_MAEMO_5
34 #include <QMaemo5InformationBox>
35 #endif // Q_WS_MAEMO_5
36
37 #include "common.h"
38 #include "error.h"
39 #include "network/networkcookiejar.h"
40 #include "situareservice/situarecommon.h"
41 #include "ui/facebookloginbrowser.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_browser(0),
52       m_mainWindow(mainWindow)
53 {
54     qDebug() << __PRETTY_FUNCTION__;
55 }
56
57 void FacebookAuthentication::browserDestroyed()
58 {
59     qWarning() << __PRETTY_FUNCTION__;
60
61     m_browser = 0;
62 }
63
64 void FacebookAuthentication::clearAccountInformation(bool keepUsername)
65 {
66     qDebug() << __PRETTY_FUNCTION__;
67
68     ///< @todo (HIGH) clear session from SituareService
69     QSettings settings(SETTINGS_ORGANIZATION_NAME, SETTINGS_APPLICATION_NAME);
70
71     if(!keepUsername) {
72         settings.remove(SETTINGS_AUTOMATIC_UPDATE_ENABLED);
73         settings.remove(SETTINGS_AUTOMATIC_UPDATE_INTERVAL);
74     }
75
76     settings.remove(USER_UNSEND_MESSAGE);
77     settings.remove(USER_UNSEND_MESSAGE_PUBLISH);
78
79     NetworkCookieJar::clearCookiesSetting();
80 }
81
82 void FacebookAuthentication::loadFinished(bool ok)
83 {
84     qWarning() << __PRETTY_FUNCTION__ << ok;
85
86     ///< @todo show browsed window if url != redirect url
87 }
88
89 void FacebookAuthentication::login()
90 {
91     qWarning() << __PRETTY_FUNCTION__;
92
93     if (!m_browser)
94         m_browser = new FacebookLoginBrowser(m_mainWindow);
95
96     if (m_browser) {
97         connect(m_browser, SIGNAL(loadFinished(bool)),
98                 this, SLOT(loadFinished(bool)));
99
100         connect(m_browser, SIGNAL(urlChanged(QUrl)),
101                 this, SLOT(urlChanged(QUrl)));
102
103         connect(m_browser, SIGNAL(destroyed(QObject*)),
104                 this, SLOT(browserDestroyed()));
105
106         connect(m_browser->page()->networkAccessManager(), SIGNAL(finished(QNetworkReply*)),
107                 this, SLOT(networkReplyHandler(QNetworkReply*)));
108
109         QString url = FB_LOGIN_URL + "?";
110         url.append("api_key=" + API_KEY +"&");
111         url.append("display=touch&");
112         url.append("fbconnect=1&");
113         url.append("next=" + FB_LOGIN_SUCCESS_URL + "&");
114         url.append("return_session=1&");
115         url.append("session_version=3&");
116         url.append("v=1.0&");
117         url.append("req_perms=publish_stream");
118
119         m_browser->load(QUrl(url));
120     }
121 }
122
123 void FacebookAuthentication::networkReplyHandler(QNetworkReply *reply)
124 {
125     qWarning() <<__PRETTY_FUNCTION__;
126
127     if (reply->error() != QNetworkReply::NoError) {
128         qCritical() << __PRETTY_FUNCTION__ << "error:" << reply->error() << reply->errorString();
129         /// @todo Emit error signal
130     }
131 }
132
133 QString FacebookAuthentication::parseSession(const QUrl &url)
134 {
135     qWarning() << __PRETTY_FUNCTION__;
136
137     const QString BEGIN("session={");
138     const QString END("}");
139
140     QString urlString = url.toString();
141
142     int begin = urlString.indexOf(BEGIN);
143     int end = urlString.indexOf(END, begin);
144
145     if ((begin > -1) && (end > -1))
146         return urlString.mid(begin, end - begin + 1);
147     else
148         return QString();
149 }
150
151 void FacebookAuthentication::urlChanged(const QUrl &url)
152 {
153     qWarning() << __PRETTY_FUNCTION__ << url.toString();
154
155     /*
156       Redirects:
157         * Login with cookie failed:
158             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
159
160         * Login with cookie succeeded:
161             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
162             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"}
163      */
164
165     if (!url.toString().contains("session={")) {
166         // url parameter doesn't contain session data, so login with cookies failed
167         qWarning() << __PRETTY_FUNCTION__ << "working credentials required";
168         m_mainWindow->buildLoginDialog(m_browser);
169     } else if (url.toString().startsWith(FB_LOGIN_SUCCESS_URL)) {
170         // login succeeded
171         const QString session = parseSession(url);
172         qWarning() << __PRETTY_FUNCTION__ << "login finished, parsed session:" << session;
173         if (!session.isEmpty()) {
174             m_mainWindow->destroyLoginDialog();
175             m_browser->deleteLater();
176             emit loggedIn(session);
177         }
178     }
179     else {
180         qWarning() << __PRETTY_FUNCTION__ << "credentials accepted, getting the access_token";
181     }
182 }