def test_parallel_register(self):
'''
Adding some testing for the case when one person tries to register
multiple times in the same second
'''
graph = get_facebook_graph(access_token='short_username')
FacebookUserConverter(graph)
action, user = connect_user(self.request, facebook_graph=graph)
self.assertEqual(action, CONNECT_ACTIONS.REGISTER)
self.request.user.is_authenticated = lambda: False
with patch('django_facebook.connect.authenticate') as patched:
return_sequence = [user, None]
def side(*args, **kwargs):
value = return_sequence.pop()
return value
patched.side_effect = side
with patch('django_facebook.connect._register_user'
) as patched_register:
patched_register.side_effect = facebook_exceptions.AlreadyRegistered(
'testing parallel registers')
action, user = connect_user(self.request, facebook_graph=graph)
self.assertEqual(action, CONNECT_ACTIONS.LOGIN)
def connect(request):
'''
Handles the view logic around connect user
- (if authenticated) connect the user
- login
- register
'''
context = RequestContext(request)
assert context.get('FACEBOOK_APP_ID'), 'Please specify a facebook app id '\
'and ensure the context processor is enabled'
facebook_login = bool(int(request.REQUEST.get('facebook_login', 0)))
if facebook_login:
logger.info('trying to connect using facebook')
graph = get_persistent_graph(request)
if graph:
logger.info('found a graph object')
facebook = FacebookUserConverter(graph)
if facebook.is_authenticated():
logger.info('facebook is authenticated')
facebook_data = facebook.facebook_profile_data()
#either, login register or connect the user
try:
action, user = connect_user(request)
logger.info('Django facebook performed action: %s', action)
except facebook_exceptions.IncompleteProfileError, e:
warn_message = u'Incomplete profile data encountered '\
u'with error %s' % e
send_warning(warn_message,
e=e,
facebook_data=facebook_data)
context['facebook_mode'] = True
context['form'] = e.form
return render_to_response(
facebook_settings.FACEBOOK_REGISTRATION_TEMPLATE,
context_instance=context,
)
if action is CONNECT_ACTIONS.CONNECT:
messages.info(
request,
_("You have connected your account "
"to %s's facebook profile") % facebook_data['name'])
elif action is CONNECT_ACTIONS.REGISTER:
return user.get_profile().post_facebook_registration(
request)
else:
if 'attempt' in request.GET:
return next_redirect(
request,
next_key=['error_next', 'next'],
additional_params=dict(fb_error_or_cancel=1))
else:
logger.info('Facebook authentication needed for connect, ' \
'raising an error')
raise OpenFacebookException('please authenticate')
return next_redirect(request)
def test_check_connect_facebook(self):
graph = get_facebook_graph(access_token='new_user')
facebook = FacebookUserConverter(graph)
data = facebook.facebook_registration_data()
self.assertEqual(data['gender'], 'm')
response = self.client.get(reverse('login:index'))
def fb_group_post(request, item, fb_group):
graph = require_persistent_graph(request)
if graph.is_authenticated():
facebook = FacebookUserConverter(graph)
response = facebook.set_fb_group(item, fb_group)
return response
return None
def test_user_registered_signal(self):
# Ensure user registered, pre update and post update signals fire
def user_registered(sender, user, facebook_data, **kwargs):
user.registered_signal = True
def pre_update(sender, user, profile, facebook_data, **kwargs):
user.pre_update_signal = True
def post_update(sender, user, profile, facebook_data, **kwargs):
user.post_update_signal = True
Profile = get_profile_model()
user_model = get_user_model()
signals.facebook_user_registered.connect(user_registered,
sender=user_model)
signals.facebook_pre_update.connect(pre_update, sender=user_model)
signals.facebook_post_update.connect(post_update, sender=user_model)
graph = get_facebook_graph(access_token='short_username')
facebook = FacebookUserConverter(graph)
user = _register_user(self.request, facebook)
self.assertEqual(hasattr(user, 'registered_signal'), True)
self.assertEqual(hasattr(user, 'pre_update_signal'), True)
self.assertEqual(hasattr(user, 'post_update_signal'), True)
def connect_user(request, access_token=None, facebook_graph=None):
'''
Given a request either
- (if authenticated) connect the user
- login
- register
'''
user = None
graph = facebook_graph or get_facebook_graph(request, access_token)
facebook = FacebookUserConverter(graph)
assert facebook.is_authenticated()
facebook_data = facebook.facebook_profile_data()
force_registration = request.REQUEST.get('force_registration') or\
request.REQUEST.get('force_registration_hard')
connect_facebook = to_bool(request.REQUEST.get('connect_facebook'))
logger.debug('force registration is set to %s', force_registration)
if connect_facebook and request.user.is_authenticated() and not force_registration:
#we should only allow connect if users indicate they really want to connect
#only when the request.CONNECT_FACEBOOK = 1
#if this isn't present we just do a login
action = CONNECT_ACTIONS.CONNECT
user = _connect_user(request, facebook)
else:
email = facebook_data.get('email', False)
email_verified = facebook_data.get('verified', False)
kwargs = {}
if email and email_verified:
kwargs = {'facebook_email': email}
auth_user = authenticate(facebook_id=facebook_data['id'], **kwargs)
if auth_user and not force_registration:
action = CONNECT_ACTIONS.LOGIN
# Has the user registered without Facebook, using the verified FB
# email address?
# It is after all quite common to use email addresses for usernames
update = getattr(auth_user, 'fb_update_required', False)
if not auth_user.get_profile().facebook_id:
update = True
#login the user
user = _login_user(request, facebook, auth_user, update=update)
else:
action = CONNECT_ACTIONS.REGISTER
# when force registration is active we should remove the old profile
try:
user = _register_user(request, facebook,
remove_old_connections=force_registration)
except facebook_exceptions.AlreadyRegistered, e:
#in Multithreaded environments it's possible someone beats us to
#the punch, in that case just login
logger.info('parallel register encountered, slower thread is doing a login')
auth_user = authenticate(
facebook_id=facebook_data['id'], **kwargs)
action = CONNECT_ACTIONS.LOGIN
user = _login_user(request, facebook, auth_user, update=False)
def connect_user(request, access_token=None, facebook_graph=None):
'''
Given a request either
- (if authenticated) connect the user
- login
- register
'''
user = None
graph = facebook_graph or get_facebook_graph(request, access_token)
facebook = FacebookUserConverter(graph)
assert facebook.is_authenticated()
facebook_data = facebook.facebook_profile_data()
force_registration = request.REQUEST.get('force_registration') or\
request.REQUEST.get('force_registration_hard')
connect_facebook = bool(int(request.REQUEST.get('connect_facebook', 0)))
logger.debug('force registration is set to %s', force_registration)
if connect_facebook and request.user.is_authenticated(
) and not force_registration:
#we should only allow connect if users indicate they really want to connect
#only when the request.CONNECT_FACEBOOK = 1
#if this isn't present we just do a login
action = CONNECT_ACTIONS.CONNECT
user = _connect_user(request, facebook)
else:
email = facebook_data.get('email', False)
email_verified = facebook_data.get('verified', False)
kwargs = {}
if email and email_verified:
kwargs = {'facebook_email': email}
auth_user = authenticate(facebook_id=facebook_data['id'], **kwargs)
if auth_user and not force_registration:
action = CONNECT_ACTIONS.LOGIN
# Has the user registered without Facebook, using the verified FB
# email address?
# It is after all quite common to use email addresses for usernames
if not auth_user.get_profile().facebook_id:
update = True
else:
update = getattr(auth_user, 'fb_update_required', False)
user = _login_user(request, facebook, auth_user, update=update)
else:
action = CONNECT_ACTIONS.REGISTER
# when force registration is active we should clearout
# the old profile
user = _register_user(request,
facebook,
remove_old_connections=force_registration)
_update_likes_and_friends(request, user, facebook)
_update_access_token(user, graph)
return action, user
def test_open_facebook(request):
from django_facebook.api import FacebookUserConverter
fb = get_persistent_graph(request)
instace = FacebookUserConverter(fb)
#Get Friends
return HttpResponse(instace.get_friends())
def connect(request):
'''
Handles the view logic around connect user
- (if authenticated) connect the user
- login
- register
'''
#test code time to remove
uri = 'http://%s%s?facebook_login=1' % (request.META['HTTP_HOST'],
request.path)
if request.GET.get('redirect'):
return facebook_login_required(uri, scope='read_stream')
context = RequestContext(request)
assert context.get('FACEBOOK_APP_ID'), 'Please specify a facebook app id '\
'and ensure the context processor is enabled'
facebook_login = bool(int(request.REQUEST.get('facebook_login', 0)))
if facebook_login:
graph = get_facebook_graph(request)
if graph:
facebook = FacebookUserConverter(graph)
if facebook.is_authenticated():
facebook_data = facebook.facebook_profile_data()
#either, login register or connect the user
try:
action, user = connect_user(request)
except facebook_exceptions.IncompleteProfileError, e:
warn_message = u'Incomplete profile data encountered '\
'with error %s' % e
logger.warn(warn_message,
exc_info=sys.exc_info(), extra={
'request': request,
'data': {
'username': request.user.username,
'facebook_data': facebook.facebook_profile_data(),
'body': unicode(e),
}
})
context['facebook_mode'] = True
context['form'] = e.form
return render_to_response(
'registration/registration_form.html',
context_instance=context,
)
if action is CONNECT_ACTIONS.CONNECT:
messages.info(request, _("You have connected your account "
"to %s's facebook profile") % facebook_data['name'])
elif action is CONNECT_ACTIONS.REGISTER:
return user.get_profile().post_facebook_registration(request)
else:
return next_redirect(request, next_key=['error_next', 'next'],
additional_params=dict(fb_error_or_cancel=1))
return next_redirect(request)
def test_persistent_graph(self):
request = RequestMock().get('/')
request.session = {}
request.user = AnonymousUser()
graph = get_facebook_graph(access_token='short_username')
FacebookUserConverter(graph)
action, user = connect_user(self.request, facebook_graph=graph)
self.assertEqual(action, CONNECT_ACTIONS.REGISTER)
def _register_user(self, facebook, profile_callback=None):
'''
Creates a new user and authenticates
The registration form handles the registration and validation
Other data on the user profile is updates afterwards
'''
if not facebook.is_authenticated():
raise ValueError, 'Facebook needs to be authenticated for connect flows'
facebook_user_converter = FacebookUserConverter(facebook)
from registration.forms import RegistrationFormUniqueEmail
#get the backend on new registration systems, or none if we are on an older version
backend = get_registration_backend()
#get the form used for registration and fall back to uniqueemail version
form_class = RegistrationFormUniqueEmail
if backend:
form_class = backend.get_form_class(request)
facebook_data = facebook_user_converter.facebook_registration_data()
data = self.request.POST.copy()
for k, v in facebook_data.items():
if not data.get(k):
data[k] = v
if self.request.REQUEST.get('force_registration_hard'):
data['email'] = data['email'].replace('@',
'+%s@' % randint(0, 100000))
form = form_class(data=data,
files=self.request.FILES,
initial={'ip': self.request.META['REMOTE_ADDR']})
if not form.is_valid():
error = facebook_exceptions.IncompleteProfileError(
'Facebook data %s gave error %s' %
(facebook_data, form.errors))
error.form = form
raise error
#for new registration systems use the backends methods of saving
if backend:
new_user = backend.register(request, **form.cleaned_data)
else:
new_user = form.save(profile_callback=profile_callback)
#update some extra data not yet done by the form
new_user = self._update_user(new_user, facebook)
#IS this the correct way for django 1.3? seems to require the backend attribute for some reason
new_user.backend = 'django_facebook.auth_backends.FacebookBackend'
auth.login(self.request, new_user)
return new_user
def create(self, request, **kwargs):
user = None
access_token = request.DATA.get('access_token', None)
graph = get_facebook_graph(request, access_token)
facebook = FacebookUserConverter(graph)
try:
assert facebook.is_authenticated()
except OAuthException, ex:
return Response({"error": ex.message},
status=status.HTTP_401_UNAUTHORIZED)
def test_full_connect(self):
#going for a register, connect and login
graph = get_facebook_graph(access_token='short_username')
FacebookUserConverter(graph)
action, user = connect_user(self.request, facebook_graph=graph)
self.assertEqual(action, CONNECT_ACTIONS.REGISTER)
action, user = connect_user(self.request, facebook_graph=graph)
self.assertEqual(action, CONNECT_ACTIONS.CONNECT)
self.request.user = AnonymousUser()
action, user = connect_user(self.request, facebook_graph=graph)
self.assertEqual(action, CONNECT_ACTIONS.LOGIN)
def test_long_username(self):
request = RequestMock().get('/')
request.session = {}
request.user = AnonymousUser()
graph = get_persistent_graph(request, access_token='long_username')
converter = FacebookUserConverter(graph)
base_data = converter.facebook_registration_data()
action, user = connect_user(self.request, facebook_graph=graph)
self.assertEqual(len(base_data['username']), 30)
self.assertEqual(len(user.username), 30)
self.assertEqual(len(user.first_name), 30)
self.assertEqual(len(user.last_name), 30)
def test_gender_matching(self):
request = RequestMock().get('/')
request.session = {}
request.user = AnonymousUser()
graph = get_persistent_graph(request, access_token='paul')
converter = FacebookUserConverter(graph)
base_data = converter.facebook_profile_data()
self.assertEqual(base_data['gender'], 'male')
data = converter.facebook_registration_data()
self.assertEqual(data['gender'], 'm')
action, user = connect_user(self.request, facebook_graph=graph)
self.assertEqual(user.get_profile().gender, 'm')
def update_connection(request, graph):
'''
A special purpose view for updating the connection with an existing user
- updates the access token (already done in get_graph)
- sets the facebook_id if nothing is specified
- stores friends and likes if possible
'''
facebook = FacebookUserConverter(graph)
user = _connect_user(request, facebook, overwrite=False)
_update_likes_and_friends(request, user, facebook)
_update_access_token(user, graph)
return user
def _update_user(self, facebook):
'''
Updates the user and his/her profile with the data from facebook
'''
user = self.request.user
#if you want to add fields to ur user model instead of the profile thats fine
#partial support (everything except raw_data and facebook_id is included)
facebook_user_converter = FacebookUserConverter(facebook)
facebook_data = facebook_user_converter.facebook_registration_data()
user_dirty = profile_dirty = False
profile = user.get_profile()
profile_field_names = [f.name for f in profile._meta.fields]
user_field_names = [f.name for f in user._meta.fields]
#set the facebook id and make sure we are the only user with this id
if facebook_data['facebook_id'] != profile.facebook_id:
profile.facebook_id = facebook_data['facebook_id']
profile_dirty = True
#like i said, me and only me
profile_class = get_profile_class()
profile_class.objects.filter(
facebook_id=profile.facebook_id).exclude(
user__id=user.id).update(facebook_id=None)
#update all fields on both user and profile
for f in self.facebook_fields:
facebook_value = facebook_data.get(f, False)
if facebook_value:
if f in profile_field_names and not getattr(profile, f, False):
setattr(profile, f, facebook_value)
profile_dirty = True
elif f in user_field_names and not getattr(user, f, False):
setattr(user, f, facebook_value)
user_dirty = True
#write the raw data in case we missed something
if hasattr(profile, 'raw_data'):
serialized_fb_data = json.dumps(
facebook_user_converter.facebook_profile_data())
profile.raw_data = serialized_fb_data
profile_dirty = True
#save both models if they changed
if user_dirty:
user.save()
if profile_dirty:
profile.save()
return user
def connect_async_ajax(request):
'''
Not yet implemented:
The idea is to run the entire connect flow on the background using celery
Freeing up webserver resources, when facebook has issues
'''
from django_facebook import tasks as facebook_tasks
graph = get_persistent_graph(request)
output = {}
if graph:
facebook = FacebookUserConverter(graph)
task = facebook_tasks.async_connect_user(request, graph)
output['task_id'] = task.id
from open_facebook.utils import json
json_dump = json.dumps(output)
return HttpResponse(json_dump)
def test_full_connect(self):
# going for a register, connect and login
graph = get_facebook_graph(request=self.request, access_token='short_username')
FacebookUserConverter(graph)
action, user = connect_user(self.request, facebook_graph=graph)
self.assertEqual(action, CONNECT_ACTIONS.REGISTER)
# and now we do a login, not a connect
action, user = connect_user(self.request, facebook_graph=graph)
self.assertEqual(action, CONNECT_ACTIONS.LOGIN)
self.request.GET._mutable = True
self.request.GET['connect_facebook'] = 1
action, user = connect_user(
self.request, facebook_graph=graph, connect_facebook=True)
self.assertEqual(action, CONNECT_ACTIONS.CONNECT)
self.request.user = AnonymousUser()
action, user = connect_user(
self.request, facebook_graph=graph, connect_facebook=True)
self.assertEqual(action, CONNECT_ACTIONS.LOGIN)
def connect(request):
'''
Handles the view logic around connect user
- (if authenticated) connect the user
- login
- register
'''
backend = get_registration_backend()
context = RequestContext(request)
assert context.get('FACEBOOK_APP_ID'), 'Please specify a facebook app id '\
'and ensure the context processor is enabled'
facebook_login = bool(int(request.REQUEST.get('facebook_login', 0)))
if facebook_login:
logger.info('trying to connect using facebook')
graph = require_persistent_graph(request)
if graph:
logger.info('found a graph object')
facebook = FacebookUserConverter(graph)
if facebook.is_authenticated():
logger.info('facebook is authenticated')
facebook_data = facebook.facebook_profile_data()
#either, login register or connect the user
try:
action, user = connect_user(request)
logger.info('Django facebook performed action: %s', action)
except facebook_exceptions.IncompleteProfileError, e:
#show them a registration form to add additional data
warning_format = u'Incomplete profile data encountered with error %s'
warn_message = warning_format % e.message
send_warning(warn_message,
e=e,
facebook_data=facebook_data)
context['facebook_mode'] = True
context['form'] = e.form
return render_to_response(
facebook_settings.FACEBOOK_REGISTRATION_TEMPLATE,
context_instance=context,
)
if action is CONNECT_ACTIONS.CONNECT:
#connect means an existing account was attached to facebook
messages.info(
request,
_("You have connected your account "
"to %s's facebook profile") % facebook_data['name'])
elif action is CONNECT_ACTIONS.REGISTER:
#hook for tying in specific post registration functionality
response = backend.post_registration_redirect(
request, user)
#compatability for django registration backends which return tuples instead of a response
#alternatively we could wrap django registration backends, but that would be hard to understand
response = response if isinstance(
response, HttpResponse) else redirect(response)
return response
else:
if 'attempt' in request.GET:
return next_redirect(
request,
next_key=['error_next', 'next'],
additional_params=dict(fb_error_or_cancel=1))
else:
logger.info('Facebook authentication needed for connect, ' \
'raising an error')
raise OpenFacebookException('please authenticate')
#for CONNECT and LOGIN we simple redirect to the next page
return next_redirect(
request, default=facebook_settings.FACEBOOK_LOGIN_DEFAULT_REDIRECT)
def test_gender(self):
graph = get_facebook_graph(access_token='new_user')
facebook = FacebookUserConverter(graph)
data = facebook.facebook_registration_data()
self.assertEqual(data['gender'], 'm')
def test_utf8(self):
graph = get_facebook_graph(access_token='unicode_string')
facebook = FacebookUserConverter(graph)
action, user = connect_user(self.request, facebook_graph=graph)
def fbapphome(request):
'''
facebook app canvas. Potentially comes throught this view twice
1. If the user does not have the app installed request is a valid signed request
with no 'code' on the url and we have no app permissions and so no access_token.
So setup oauth_url and pass it to the template to redirect to with js (not ideal).
2. User has accepted app install permissions request, fb redirect to the
redirect_uri (back here) now with a code on the url. Call test_permissions
and get_persistant_graph to convert this code into an access_token. Then
call connect_user to create and/or log them in.
'''
logging.debug('RM: fbapphome request %s' % (request))
oauth_url = None
verification_code = request.GET.get('code', None)
logging.debug('RM: fbapphome verification_code %s' % (verification_code))
#set up the permission required oauth_url and redirect uri, ideally shouldn't do this
#every tme through but get_oauth_url returns both urls and adds attempt=1 to redirect_uri
scope_list = settings.FACEBOOK_DEFAULT_SCOPE
redirect_uri = 'http://apps.facebook.com/' + settings.FACEBOOK_APP_NAME + '/?facebook_login=1'
from django_facebook.utils import get_oauth_url
oauth_url, redirect_uri = get_oauth_url(request,
scope_list,
redirect_uri=redirect_uri)
logging.debug('IAB: redirect_uri %s' % (redirect_uri))
#useful to test that access_token is being retrieved
#if verification_code:
# parms_dict = QueryDict('', True)
# parms_dict['client_id'] = settings.FACEBOOK_APP_ID
# parms_dict['client_secret'] = settings.FACEBOOK_APP_SECRET
# parms_dict['redirect_uri'] = redirect_uri
# parms_dict['code'] = verification_code
# url = 'https://graph.facebook.com/oauth/access_token?'
# url += parms_dict.urlencode()
# logging.debug('RM: access_token URL: %s' % url)
# access_token = urllib2.urlopen(url).read()
# logging.debug('RM: fbapphome access_token %s' % (access_token))
#test for permissions if we have them the user has authorised the app so set them up as a django user
from django_facebook.utils import test_permissions
if test_permissions(request, scope_list, redirect_uri):
oauth_url = None #sadly have to reset this because it is set everytime through by get_oauth_url
logging.debug('IAB: found required facebook permissions.')
from django_facebook.api import get_persistent_graph, FacebookUserConverter
graph = get_persistent_graph(request=request,
redirect_uri=redirect_uri)
facebook = FacebookUserConverter(graph)
if facebook.is_authenticated():
facebook_data = facebook.facebook_profile_data()
from django_facebook.connect import connect_user
#either, login register or connect the user
action, user = connect_user(request)
logging.debug('IAB: fbapphome user returned %s with action %s' %
(user, action))
else:
#TODO: handle this situation
logging.error(
'IAB: fbapphome failed to authenticate the user from request: %s'
% (request))
else: #no permissions so construct oauth url and redirect to it in the template
logging.debug('IAB: no app permissions so setting up oauth_url: %s.' %
oauth_url)
return render_to_response('welcome.html', {'oauth_url': oauth_url},
context_instance=RequestContext(request))
def connect_user(request, access_token=None, facebook_graph=None):
'''
Given a request either
- (if authenticated) connect the user
- login
- register
'''
user = None
graph = facebook_graph or get_facebook_graph(request, access_token)
facebook = FacebookUserConverter(graph)
assert facebook.is_authenticated()
facebook_data = facebook.facebook_profile_data()
force_registration = request.REQUEST.get('force_registration') or\
request.REQUEST.get('force_registration_hard')
logger.debug('force registration is set to %s', force_registration)
if request.user.is_authenticated() and not force_registration:
action = CONNECT_ACTIONS.CONNECT
user = _connect_user(request, facebook)
else:
email = facebook_data.get('email', False)
email_verified = facebook_data.get('verified', False)
kwargs = {}
if email and email_verified:
kwargs = {'facebook_email': email}
auth_user = authenticate(facebook_id=facebook_data['id'], **kwargs)
if auth_user and not force_registration:
action = CONNECT_ACTIONS.LOGIN
# Has the user registered without Facebook, using the verified FB
# email address?
# It is after all quite common to use email addresses for usernames
if not auth_user.get_profile().facebook_id:
update = True
else:
update = getattr(auth_user, 'fb_update_required', False)
user = _login_user(request, facebook, auth_user, update=update)
else:
action = CONNECT_ACTIONS.REGISTER
#when force registration is active we should clearout the old profile
user = _register_user(request, facebook, remove_old_connections=force_registration)
#store likes and friends if configured
sid = transaction.savepoint()
try:
if facebook_settings.FACEBOOK_STORE_LIKES:
facebook.get_and_store_likes(user)
if facebook_settings.FACEBOOK_STORE_FRIENDS:
facebook.get_and_store_friends(user)
transaction.savepoint_commit(sid)
except IntegrityError, e:
logger.warn(u'Integrity error encountered during registration, '
'probably a double submission %s' % e,
exc_info=sys.exc_info(), extra={
'request': request,
'data': {
'body': unicode(e),
}
})
transaction.savepoint_rollback(sid)
def connect_user(self):
"""Main functionality
"""
#TODO, instead of using access_token this should probably accept a facebook_graph as well
user = None
facebook = self.facebook_graph or get_facebook_graph(
self.request, self.access_token)
assert facebook.is_authenticated(), 'Facebook not authenticated'
facebook_user_converter = FacebookUserConverter(facebook)
facebook_data = facebook_user_converter.facebook_profile_data()
force_registration = self.request.REQUEST.get(
'force_registration') or self.request.REQUEST.get(
'force_registration_hard')
logger.debug('force registration is set to %s', force_registration)
if self.request.user.is_authenticated() and not force_registration:
action = CONNECT_ACTIONS.CONNECT
user = self._connect_user(facebook)
else:
email = facebook_data.get('email', False)
email_verified = facebook_data.get('verified', False)
kwargs = {}
if email and email_verified:
kwargs = {'facebook_email': email}
authenticated_user = authenticate(facebook_id=facebook_data['id'],
**kwargs)
if authenticated_user and not force_registration:
action = CONNECT_ACTIONS.LOGIN
## Has the user registered without Facebook, using the verified FB email address?
# It is after all quite common to use email addresses for usernames
if not authenticated_user.get_profile().facebook_id:
update = True
else:
update = getattr(authenticated_user, 'fb_update_required',
False)
user = self._login_user(facebook,
authenticated_user,
update=update)
else:
action = CONNECT_ACTIONS.REGISTER
user = self._register_user(facebook)
#store likes and friends if configured
sid = transaction.savepoint()
try:
if facebook_settings.FACEBOOK_STORE_LIKES:
likes = facebook.get_likes()
facebook.store_likes(user, likes)
if facebook_settings.FACEBOOK_STORE_FRIENDS:
friends = facebook.get_friends()
facebook.store_friends(user, friends)
transaction.savepoint_commit(sid)
except IntegrityError, e:
logger.warn(
u'Integrity error encountered during registration, probably a double submission %s'
% e,
exc_info=sys.exc_info(),
extra={
'request': request,
'data': {
'body': unicode(e),
}
})
transaction.savepoint_rollback(sid)
def _connect(request, facebook_login):
'''
Handles the view logic around connect user
- (if authenticated) connect the user
- login
- register
'''
backend = get_registration_backend()
context = RequestContext(request)
if True:
logger.info('trying to connect using Facebook')
graph = require_persistent_graph(request)
authenticated = False
if graph:
logger.info('found a graph object')
facebook = FacebookUserConverter(graph)
authenticated = facebook.is_authenticated()
if authenticated:
logger.info('Facebook is authenticated')
facebook_data = facebook.facebook_profile_data()
#either, login register or connect the user : This is where it interfaces with Django
try:
action, user = connect_user(request)
logger.info('Django facebook performed action: %s', action)
print user
print request.user
except facebook_exceptions.IncompleteProfileError, e:
#show them a registration form to add additional data
warning_format = u'Incomplete profile data encountered with error %s'
warn_message = warning_format % e.message
send_warning(warn_message, e=e,
facebook_data=facebook_data)
context['facebook_mode'] = True
context['form'] = e.form
return render_to_response(
facebook_settings.FACEBOOK_REGISTRATION_TEMPLATE,
context_instance=context,
)
except facebook_exceptions.AlreadyConnectedError, e:
user_ids = [u.user_id for u in e.users]
ids_string = ','.join(map(str, user_ids))
return error_next_redirect(
request,
additional_params=dict(already_connected=ids_string))
if action is CONNECT_ACTIONS.CONNECT:
#connect means an existing account was attached to facebook
messages.info(request, _("You have connected your account "
"to %s's facebook profile") % facebook_data['name'])
elif action is CONNECT_ACTIONS.REGISTER:
#hook for tying in specific post registration functionality
#response = backend.post_registration_redirect(
# request, user)
return HttpResponseRedirect(reverse('home_logged_home'))
#compatibility for Django registration backends which return redirect tuples instead of a response
if not isinstance(response, HttpResponse):
to, args, kwargs = response
response = redirect(to, *args, **kwargs)
return response
def connect(request):
'''
Handles the view logic around connect user
- (if authenticated) connect the user
- login
- register
'''
context = RequestContext(request)
assert context.get('FACEBOOK_APP_ID'), 'Please specify a facebook app id '\
'and ensure the context processor is enabled'
facebook_login = bool(int(request.REQUEST.get('facebook_login', 0)))
if facebook_login:
#code to redirect if we don't have adequate permissions
from django_facebook.utils import test_permissions
scope_list = facebook_settings.FACEBOOK_DEFAULT_SCOPE
#standardizing the url to prevent things like attempt from being included
redirect_uri = request.build_absolute_uri(
request.path) + '?facebook_login=1'
oauth_url, redirect_uri = get_oauth_url(request,
scope_list,
redirect_uri=redirect_uri)
if not test_permissions(request, scope_list, redirect_uri):
return HttpResponseRedirect(oauth_url)
graph = get_persistent_graph(request)
if graph:
facebook = FacebookUserConverter(graph)
if facebook.is_authenticated():
facebook_data = facebook.facebook_profile_data()
#either, login register or connect the user
try:
action, user = connect_user(request)
logger.info('Django facebook, action was %s', action)
except facebook_exceptions.IncompleteProfileError, e:
warn_message = u'Incomplete profile data encountered '\
u'with error %s' % e
send_warning(
warn_message,
e=e,
facebook_data=facebook.facebook_profile_data())
context['facebook_mode'] = True
context['form'] = e.form
return render_to_response(
facebook_settings.FACEBOOK_REGISTRATION_TEMPLATE,
context_instance=context,
)
if action is CONNECT_ACTIONS.CONNECT:
messages.info(
request,
_("You have connected your account "
"to %s's facebook profile") % facebook_data['name'])
elif action is CONNECT_ACTIONS.REGISTER:
return user.get_profile().post_facebook_registration(
request)
else:
return next_redirect(request,
next_key=['error_next', 'next'],
additional_params=dict(fb_error_or_cancel=1))
return next_redirect(request)
