/usr/share/unity-scopes/facebook/unity_facebook_daemon.py is in unity-lens-photos 1.0+14.04.20140318-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# -*- coding: utf-8 -*-
# Copyright (c) 2012 David Calle <davidc@framli.eu>
# 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 3 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, see <http://www.gnu.org/licenses/>.
import sys
import os
import gettext
import time
import datetime
import urllib.parse
import urllib.request
import json
from gi.repository import GLib
from gi.repository import Gio
from gi.repository import Accounts
from gi.repository import Signon
from gi.repository import Dee
from gi.repository import Unity
from gi.repository import UnityExtras
from gi.repository import Soup
from gi.repository import SoupGNOME
APP_NAME = "unity-lens-photos"
LOCAL_PATH = "/usr/share/locale/"
gettext.bindtextdomain(APP_NAME, LOCAL_PATH)
gettext.textdomain(APP_NAME)
_ = gettext.gettext
# Translatable strings
SOURCE = _("Facebook")
NO_RESULTS_HINT = _("Sorry, there are no photos that match your search.")
BUS_NAME = "com.canonical.Unity.Scope.Photos.Facebook"
CAT_MINE = _("My Photos")
CAT_FRIENDS = _("Friends Photos")
CAT_ONLINE = _("Online Photos")
CAT_GLOBAL = _("Photos")
CAT_RECENT = _("Recent")
FILTER_DATE = _("Date")
FILTER_OPTION_7DAYS = _("Last 7 days")
FILTER_OPTION_30DAYS = _("Last 30 days")
FILTER_OPTION_6MONTHS = _("Last 6 months")
FILTER_OPTION_OLDER = _("Older")
THEME = "/usr/share/icons/unity-icon-theme/places/svg/"
class Scope(Unity.DeprecatedScope):
last_result = None
def do_preview_result(self, result, callback):
"""Temporarily save the ScopeResult so it is available for
preview-uri signal handlers."""
# Wrap the AsyncReadyCallback to handle dummy user_data argument.
def wrapped_callback(object, async_result, user_data):
return callback(object, async_result)
self.last_result = result
try:
return Unity.DeprecatedScope.do_preview_result(
self, result, wrapped_callback, None)
finally:
self.last_result = None
class Daemon:
def __init__(self):
"""Set some initial values for the scope and connect to Unity"""
self._scope = Scope (dbus_path="/com/canonical/unity/scope/photos/facebook", id="facebook")
self._sources_options = []
# Storage for results waiting to be displayed
self.results_waiting = {1:[], 2:[], 3:[]}
self.init_session_management ()
self._enabled = False
self._authenticating = False
self._get_accounts_for_service ('facebook')
self._scope.connect("search-changed", self.on_search_changed)
self._scope.connect("notify::active", self.on_lens_active_or_preference_changed)
self._scope.connect('preview-uri', self.on_preview_uri)
self.preferences = Unity.PreferencesManager.get_default()
self.preferences.connect("notify::remote-content-search", self.on_lens_active_or_preference_changed)
filters = Unity.FilterSet.new()
f2 = Unity.RadioOptionFilter.new ("date", FILTER_DATE, Gio.ThemedIcon.new("input-keyboard-symbolic"), False)
f2.add_option ("7", FILTER_OPTION_7DAYS, None)
f2.add_option ("30", FILTER_OPTION_30DAYS, None)
f2.add_option ("180", FILTER_OPTION_6MONTHS, None)
f2.add_option ("100000",FILTER_OPTION_OLDER, None)
filters.add (f2)
cats = Unity.CategorySet.new()
cats.add (Unity.Category.new ('recent',
CAT_RECENT,
Gio.ThemedIcon.new(THEME + "group-recent.svg"),
Unity.CategoryRenderer.VERTICAL_TILE))
cats.add (Unity.Category.new ('mine',
CAT_MINE,
Gio.ThemedIcon.new(THEME + "group-photos.svg"),
Unity.CategoryRenderer.VERTICAL_TILE))
cats.add (Unity.Category.new ('friends',
CAT_FRIENDS,
Gio.ThemedIcon.new(THEME + "group-friends.svg"),
Unity.CategoryRenderer.VERTICAL_TILE))
cats.add (Unity.Category.new ('online',
CAT_ONLINE,
Gio.ThemedIcon.new(THEME + "group-internet.svg"),
Unity.CategoryRenderer.VERTICAL_TILE))
cats.add (Unity.Category.new ('global',
CAT_GLOBAL,
Gio.ThemedIcon.new(THEME + "group-photos.svg"),
Unity.CategoryRenderer.VERTICAL_TILE))
self._scope.props.categories = cats
self._scope.props.filters = filters
self._scope.export ()
def callback(object, result, user_data):
object.preview_result_finish(result)
def init_session_management (self):
""" Define a set of variables used for Soup session management """
self._pending = []
self._http = []
for i in range(3):
self._pending.append(None)
self._http.append(self._get_http_session ())
def _get_http_session (self):
session = Soup.SessionAsync()
session.add_feature_by_type(SoupGNOME.ProxyResolverGNOME)
return session
########
# Account management
########
def _get_accounts_for_service (self, service):
"""Get online accounts matching the scope service"""
self._accounts = []
try:
self._account_manager = Accounts.Manager.new_for_service_type("sharing")
except TypeError as e:
print ("Error (facebook): Unable to initialise accounts manager: %s" % e)
return
self._account_manager.connect("enabled-event", self._on_enabled_event)
self._account_manager.connect("account-deleted", self._on_deleted_event)
for account_service in self._account_manager.get_enabled_account_services():
if account_service.get_account().get_provider_name() == service:
self._add_account_service(account_service)
return
else:
self._remove_account_service(account_service)
def _add_account_service(self, account_service):
"""Add account to scope and add Sources filter option"""
for account in self._accounts:
if account:
if account.get_account_service() == account_service:
return
self._accounts.append(self._account_to_login(account_service))
print ('Added Facebook account %s' % (account_service))
source_name = account_service.get_account().get_provider_name ().title()
if not source_name in self._sources_options:
self._sources_options.append(source_name)
self._scope.props.sources.add_option(source_name, source_name, None)
def _remove_account_service(self, account_service):
"""Remove account from Sources filter"""
self._enabled = False
print ('Removed Facebook account %s' % (account_service))
source_name = account_service.get_account().get_provider_name ().title()
if source_name in self._sources_options:
self._sources_options.remove(source_name)
self._scope.props.sources.remove_option(source_name)
self.on_lens_active_or_preference_changed ()
def get_account_service(self):
return self._account_service
def _on_account_enabled (self, account, enabled):
self._enabled = enabled
def _account_to_login(self,account_service):
"""Initialize default values for the account"""
self._account_service = account_service
self._account_service.connect("enabled", self._on_account_enabled)
self._enabled = self._account_service.get_enabled()
self._authenticating = False
self._auth_token = None
self._queued_search = None
self._login()
def _on_enabled_event(self, account_manager, account_id):
"""Listen to the account enabled signal
and remove/add the service accordingly"""
account = self._account_manager.get_account(account_id)
if account.get_provider_name() != "facebook": return
for service in account.list_services():
account_service = Accounts.AccountService.new(account, service)
if account_service.get_enabled():
self._add_account_service(account_service)
else:
self._remove_account_service(account_service)
def _on_deleted_event(self, account_manager, account_id):
"""Listen to the account deleted signal,
remove the service and silence the scope"""
account = self._account_manager.get_account(account_id)
source_name = account.get_provider_name ().title()
if source_name in self._sources_options:
self.enabled = False
self._sources_options.remove(source_name)
self._scope.props.sources.remove_option(source_name)
self.on_lens_active_or_preference_changed ()
print ('Removed Facebook account')
def _login(self):
"""Trigger a service login with account credentials"""
if self._authenticating:
return
print ("Facebook : logging in")
self._authenticating = True
# Get the global account settings
auth_data = self._account_service.get_auth_data()
identity = auth_data.get_credentials_id()
session_data = auth_data.get_parameters()
self.auth_session = Signon.AuthSession.new(identity,
auth_data.get_method())
self.auth_session.process(session_data,
auth_data.get_mechanism(),
self._login_cb, None)
def _login_cb(self, session, reply, error, user_data):
"""Verify login token"""
print ("Facebook : login finished")
self._authenticating = False
if error:
print ("Facebook: Got authentication error")
return
old_token = self._auth_token
self._auth_token = reply["AccessToken"]
if self._auth_token == old_token:
return
if self._queued_search:
self.on_search_changed(*self._queued_search)
########
# Facebook query generators
########
def _url_maker(self, cat, search_string, date):
"""Select the correct query depending on search parameters"""
fql, url = None, None
if date < 0:
date = 180*86400
now = int(time.time())
date = now - date
date_query = "and created < '%s'" % date
elif date > 0:
date_query = "and created > '%s'" % date
else:
date_query = ""
if search_string:
fql = {'q':'{"q0":"SELECT object_id, src, link, caption, owner, created FROM photo WHERE aid in (SELECT aid FROM album where owner=me() ) and strpos(lower(caption),\'%s\') >= 0 %s LIMIT 50","q3":"SELECT uid, name FROM user where uid in (SELECT uid2 from friend where uid1=me ()) and strpos(lower(name),\'%s\') >= 0","q1":"SELECT object_id, cover_object_id, location, link, name, description, owner FROM album where owner in (SELECT uid2 from friend where uid1=me ()) ORDER BY modified_major DESC","q2":"SELECT object_id, src, link, caption, owner, created FROM photo WHERE album_object_id IN (SELECT object_id FROM #q1) and strpos(lower(caption),\'%s\') >= 0 OR album_object_id IN (SELECT object_id FROM #q1) and owner IN (SELECT uid FROM #q3) %s ORDER BY created DESC LIMIT 50"}' % ( search_string.lower (), date_query, search_string.lower (), search_string.lower (), date_query)}
else:
if date == 0:
self.recent_expected = True
fql = {'q':'{"qr":"SELECT attachment, message, created_time FROM stream WHERE source_id = me() or source_id in (SELECT uid2 from friend where uid1=me ()) and type = 247 %s LIMIT 100","q0":"SELECT object_id, src, link, caption, owner, created FROM photo WHERE aid in (SELECT aid FROM album where owner=me() ) %s LIMIT 50","q1":"SELECT object_id, cover_object_id, location, link, name, description, owner FROM album where owner in (SELECT uid2 from friend where uid1=me ()) ORDER BY modified_major DESC","q2":"SELECT object_id, src, link, caption, owner, created FROM photo WHERE album_object_id IN (SELECT object_id FROM #q1) %s ORDER BY created DESC LIMIT 100"}' % (date_query.replace("created", "created_time"), date_query.replace("created", "created_time"), date_query)}
else:
fql = {'q':'{"q0":"SELECT object_id, src, link, caption, owner, created FROM photo WHERE aid in (SELECT aid FROM album where owner=me() ) %s LIMIT 50","q1":"SELECT object_id, cover_object_id, location, link, name, description, owner FROM album where owner in (SELECT uid2 from friend where uid1=me ()) ORDER BY modified_major DESC","q2":"SELECT object_id, src, link, caption, owner, created FROM photo WHERE album_object_id IN (SELECT object_id FROM #q1) %s ORDER BY created DESC LIMIT 100"}' % (date_query, date_query)}
if fql:
url = 'https://graph.facebook.com/fql?%s&access_token=%s' % (urllib.parse.urlencode(fql), self._auth_token)
return url
########
# Lens functions
########
def on_lens_active_or_preference_changed(self, *_):
""" Update results when the lens is opened """
self._scope.queue_search_changed(Unity.SearchType.DEFAULT)
def check_date_filter(self,s):
"""Get active option for a filter name"""
try:
date = s.get_filter("date").get_active_option().props.id
date = int(date)*86400
now = int(time.time())
date = now - date
except (AttributeError):
date = 0
return date
def on_search_changed (self, scope, search, search_type, cancellable):
"""Trigger a search for each category when the lens requests it"""
self.recent_expected = False
model = search.props.results_model
search.set_reply_hint ("no-results-hint", GLib.Variant.new_string(NO_RESULTS_HINT))
model.clear()
# only perform the request if the user has not disabled
# online results. That will hide the category as well.
if self.preferences.props.remote_content_search != Unity.PreferencesManagerRemoteContent.ALL:
search.emit('finished')
return
self._queued_search = (scope, search, search_type, cancellable)
if self._authenticating:
print ("authenticating, queuing search")
return
search_string = search.props.search_string.strip()
if self._enabled:
print ('Facebook : new search %s' % search_string)
date = self.check_date_filter (search)
i = 0
if search_string:
# for i in range(1,3):
if self._pending[i] is not None:
self._http[i].cancel_message(self._pending[i],
Soup.KnownStatusCode.CANCELLED)
url = self._url_maker(i, search_string, date)
if url:
self._pending[i] = Soup.Message.new("GET", url)
self._http[i].queue_message(self._pending[i],self._search_cb,[search_string, model, i, search])
else:
# for i in range(3):
if self._pending[i] is not None:
self._http[i].cancel_message(self._pending[i],
Soup.KnownStatusCode.CANCELLED)
url = self._url_maker(i, search_string, date)
if url:
self._pending[i] = Soup.Message.new("GET", url)
self._http[i].queue_message(self._pending[i],self._search_cb,[search_string, model, i, search])
else:
search.emit('finished')
def update_results_model(self, search, model, results, cat, recent_done):
"""Update results for category 0, then the others"""
counter = 0
if len(results) > 0:
for photo in results['data']:
uri = ''
icon_hint = ''
comment = ''
title = ''
if photo['name'] == 'qr':
for p in photo['fql_result_set']:
timestamp = p['created_time']
try:
for media in p['attachment']['media']:
counter += 1
title = media['alt']
comment = str(timestamp)+"_ulp-date_"+str(media['photo']['pid'])
uri = media['href']
icon_hint = media['src']
model.append (uri=uri,
icon_hint=icon_hint,
category=0,
mimetype="text/html",
title=title,
comment=comment,
dnd_uri=uri,
result_type=Unity.ResultType.PERSONAL)
except:
pass
if photo['name'] == 'q0':
for p in photo['fql_result_set']:
counter += 1
timestamp = p['created']
title = p['caption']
comment = str(timestamp)+"_ulp-date_"+str(p['object_id'])
uri = p['link']
icon_hint = p['src']
model.append (uri=uri,
icon_hint=icon_hint,
category=1,
mimetype="text/html",
title=title,
comment=comment,
dnd_uri=uri,
result_type=Unity.ResultType.PERSONAL)
if photo['name'] == 'q2':
for p in photo['fql_result_set']:
counter += 1
timestamp = p['created']
title = p['caption']
comment = str(timestamp)+"_ulp-date_"+str(p['object_id'])
uri = p['link']
icon_hint = p['src']
model.append (uri=uri,
icon_hint=icon_hint,
category=2,
mimetype="text/html",
title=title,
comment=comment,
dnd_uri=uri,
result_type=Unity.ResultType.SEMI_PERSONAL)
print ('Facebook : Added %i results' % (counter))
########
# Service answer handling
########
def _search_cb(self, session, msg, search_args):
"""Handle async Soup callback"""
results = self._handle_search_msg(msg, search_args[2])
self.update_results_model(search_args[0], search_args[1], results, search_args[2], False)
search_args[3].emit('finished')
def _handle_search_msg(self, msg, cat):
""" Handle response message"""
results = []
if msg.status_code != 200:
self._pending[cat] = None
print ("Error: Unable to get results from the server")
print (" %d: %s" % (msg.status_code, msg.reason_phrase))
else:
self._pending[cat] = None
try:
results = json.loads(msg.response_body.data)
except:
pass
return results
########
# Previews
########
def on_preview_uri(self, scope, uri):
"""Preview request handler"""
preview = None
if scope.last_result.uri == uri:
photo_id = scope.last_result.comment.split("_ulp-date_")[1]
meta = self.getMetadataForPhoto (photo_id,scope.last_result.category)
location, date, image, title, description, album, position, album_size = None, None, None, '', '', None, None, None
if meta[6]:
title = meta[6]
elif meta[5]:
title = meta[5]
else:
title = scope.last_result.title
if meta[1]:
description = meta[1]
preview = Unity.GenericPreview.new(title.strip (), description.strip (), None)
if meta[2]:
preview.props.image_source_uri = meta[2]
else:
preview.props.image_source_uri = scope.last_result.icon_hint
if meta[8]:
preview.props.subtitle = meta[8]
if meta[7]:
preview.add_info(Unity.InfoHint.new("location", _("Location"), None, meta[7]))
if meta[9]:
album = meta[9]
if meta[10] and meta[11]:
album = "%s, %i of %i" % (meta[9], meta[10], meta[11])
preview.add_info(Unity.InfoHint.new("album", _("Album"), None, album))
if meta[4]:
preview.add_info(Unity.InfoHint.new("with", _("With"), None, meta[4]))
gfile_icon = Gio.file_new_for_path("/usr/share/icons/unity-icon-theme/places/svg/service-facebook.svg")
gicon = Gio.FileIcon.new (gfile_icon)
view_action = Unity.PreviewAction.new("view", _("View"), gicon)
view_action.connect('activated', self.view_action)
preview.add_action(view_action)
if preview == None:
print ("Couldn't find model row for requested preview uri: '%s'", uri)
return preview
def view_action (self, scope, uri):
"""On item clicked, close the Dash and display the photo"""
return
def getMetadataForPhoto(self, oid, cat):
"""Fetch photo metadata from service"""
if cat == 0:
fql = {'q':'{"query1":"SELECT images, owner, link, caption, created, place_id, album_object_id, position FROM photo WHERE pid=\'%s\'","query2":"SELECT subject, text FROM photo_tag WHERE pid=\'%s\'","query3":"SELECT username, name FROM user WHERE uid IN (SELECT owner FROM #query1)","query4":"SELECT name FROM place WHERE page_id IN (SELECT place_id FROM #query1)","query5":"SELECT name, size FROM album WHERE object_id IN (SELECT album_object_id FROM #query1)"}' % (oid, oid)}
else:
fql = {'q':'{"query1":"SELECT images, owner, link, caption, created, place_id, album_object_id, position FROM photo WHERE object_id=%s","query2":"SELECT subject, text FROM photo_tag WHERE object_id=%s","query3":"SELECT username, name FROM user WHERE uid IN (SELECT owner FROM #query1)","query4":"SELECT name FROM place WHERE page_id IN (SELECT place_id FROM #query1)","query5":"SELECT name, size FROM album WHERE object_id IN (SELECT album_object_id FROM #query1)"}' % (oid, oid)}
url = 'https://graph.facebook.com/fql?%s&access_token=%s' % (urllib.parse.urlencode(fql), self._auth_token)
try:
raw_results = urllib.request.urlopen(url).read ()
meta = json.loads(raw_results.decode("utf8"))
except urllib.error.HTTPError:
meta = None
link, caption, image, date = None, None, None, None
subject, tags, album, position = None, None, None, None
place, name, username, album_size = None, None, None, None
tag_list = []
if meta:
for m in meta['data'][0]['fql_result_set']:
date = datetime.datetime.fromtimestamp(m['created']).strftime('%d %b %Y')
link = m['link']
caption = m['caption']
position = m['position']
image = m['images'][0]['source']
for m in meta['data'][1]['fql_result_set']:
if m['text'] not in tag_list:
tag_list.append(m['text'])
tags = ", ".join(tag_list)
for m in meta['data'][2]['fql_result_set']:
username = m['username']
name = m['name']
for m in meta['data'][3]['fql_result_set']:
place = m['name']
for m in meta['data'][4]['fql_result_set']:
album = m['name']
album_size = m['size']
return [link,caption, image, subject, tags, username, name, place, date, album, position, album_size]
if __name__ == '__main__':
daemon = UnityExtras.dbus_own_name(BUS_NAME, Daemon, None)
if daemon:
GLib.unix_signal_add(0, 2, lambda x: daemon.quit(), None)
daemon.run([])
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