generalize cpsection/webservices code

1 files changed, 90 insertions, 0 deletions

diff --git a/extensions/cpsection/webservices/services/facebook/service.py b/extensions/cpsection/webservices/services/facebook/service.py
new file mode 100644
index 0000000..59c14c4
--- /dev/null
+++ b/extensions/cpsection/webservices/services/facebook/service.py
@@ -0,0 +1,90 @@
+# Copyright (C) 2013, Walter Bender - Raul Gutierrez Segales
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+
+import logging
+import os
+import time
+import urllib
+import urlparse
+
+from gi.repository import GConf
+from gi.repository import Gtk
+from gi.repository import GObject
+from gi.repository import WebKit
+from gettext import gettext as _
+from jarabe import config
+from web.fb import facebook_online_account as fboa
+from cpsection.webservices.web_service import WebService
+
+
+class FacebookService(WebService):
+    FB_APP_ID = "172917389475707"
+    FB_REDIRECT_URI = "http://www.sugarlabs.org"
+
+    def get_icon_name(self):
+        return 'facebook-share'
+
+    def config_service_cb(self, widget, event, container):
+        logging.debug('config_service_fb')
+
+        wkv = WebKit.WebView()
+        wkv.load_uri(self._fb_auth_url())
+        wkv.grab_focus()
+        wkv.connect('navigation-policy-decision-requested',
+                    self._fb_nav_policy_cb)
+
+        for c in container.get_children():
+            container.remove(c)
+
+        container.add(wkv)
+        container.show_all()
+
+    def _fb_auth_url(self):
+        url = 'http://www.facebook.com/dialog/oauth'
+        params = [
+            ('client_id', self.FB_APP_ID),
+            ('redirect_uri', self.FB_REDIRECT_URI),
+            ('response_type', 'token'),
+            ('scope', 'publish_stream')
+            ]
+
+        return "%s?%s" % (url, urllib.urlencode(params))
+
+    def _fb_nav_policy_cb(self, view, frame, req, action, param):
+        uri = req.get_uri()
+        if uri is None:
+            return
+
+        url_o = urlparse.urlparse(uri)
+        params = urlparse.parse_qs(url_o.fragment)
+        if params.has_key('access_token') and params.has_key('expires_in'):
+            self._fb_save_access_token(params['access_token'][0],
+                                       int(params['expires_in'][0]))
+
+    def _fb_save_access_token(self, access_token, expires_in):
+        client = GConf.Client.get_default()
+
+        client.set_string(fboa.FacebookOnlineAccount.ACCESS_TOKEN_KEY,
+                          access_token)
+
+        expiry_time = int(time.time()) + expires_in
+        client.set_int(
+            fboa.FacebookOnlineAccount.ACCESS_TOKEN_KEY_EXPIRATION_DATE,
+            expiry_time)
+
+
+def get_service():
+    return FacebookService()