def send(self, graph=None):
result = None
#update the last attempt
self.last_attempt = datetime.now()
self.save()
#see if the graph is enabled
profile = self.user.get_profile()
graph = graph or profile.get_offline_graph()
user_enabled = profile.facebook_open_graph and self.facebook_user_id
#start sharing
if graph and user_enabled:
graph_location = '%s/%s' % (self.facebook_user_id,
self.action_domain)
share_dict = self.get_share_dict()
from open_facebook.exceptions import OpenFacebookException
try:
result = graph.set(graph_location, **share_dict)
share_id = result.get('id')
if not share_id:
error_message = 'No id in Facebook response, found %s for url %s with data %s' % (
result, graph_location, share_dict)
logger.error(error_message)
raise OpenFacebookException(error_message)
self.share_id = share_id
self.error_message = None
self.completed_at = datetime.now()
self.save()
except OpenFacebookException, e:
logger.warn('Open graph share failed, writing message %s' %
e.message)
self.error_message = unicode(e)
self.save()
def send(self, graph=None, shared_explicitly=False):
result = None
# update the last attempt
self.last_attempt = datetime.now()
self.save()
# see if the graph is enabled
profile = try_get_profile(self.user)
user_or_profile = get_instance_for_attribute(
self.user, profile, 'access_token')
graph = graph or user_or_profile.get_offline_graph()
user_enabled = shared_explicitly or \
(user_or_profile.facebook_open_graph and self.facebook_user_id)
# start sharing
if graph and user_enabled:
graph_location = '%s/%s' % (
self.facebook_user_id, self.action_domain)
share_dict = self.get_share_dict()
from open_facebook.exceptions import OpenFacebookException
try:
result = graph.set(graph_location, **share_dict)
share_id = result.get('id')
if not share_id:
error_message = 'No id in Facebook response, found %s for url %s with data %s' % (
result, graph_location, share_dict)
logging.error(error_message)
raise OpenFacebookException(error_message)
self.share_id = share_id
self.error_message = None
self.completed_at = datetime.now()
self.save()
except OpenFacebookException as e:
logging.warn(
'Open graph share failed, writing message %s' % str(e))
self.error_message = repr(e)
self.save()
# maybe we need a new access token
new_token_required = self.exception_requires_new_token(
e, graph)
# verify that the token didnt change in the mean time
user_or_profile = user_or_profile.__class__.objects.get(
id=user_or_profile.id)
token_changed = graph.access_token != user_or_profile.access_token
logging.info('new token required is %s and token_changed is %s',
new_token_required, token_changed)
if new_token_required and not token_changed:
logging.info(
'a new token is required, setting the flag on the user or profile')
# time to ask the user for a new token
update_user_attributes(self.user, profile, dict(
new_token_required=True), save=True)
elif not graph:
self.error_message = 'no graph available'
self.save()
elif not user_enabled:
self.error_message = 'user not enabled'
self.save()
return result
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 require_persistent_graph(request, *args, **kwargs):
'''
Just like get_persistent graph, but instead of returning None
raise an OpenFacebookException if we can't access facebook
'''
graph = get_persistent_graph(request, *args, **kwargs)
if not graph:
raise OpenFacebookException('please authenticate')
return graph
def require_facebook_graph(request, *args, **kwargs):
'''
Just like get_facebook graph, but instead of returning None
raise an OpenFacebookException if we can't access facebook
'''
kwargs['raise_'] = True
graph = get_facebook_graph(request, *args, **kwargs)
if not graph:
logger.info("RFG01 no facebook graph")
raise OpenFacebookException('please authenticate')
return graph
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:
require_persistent_graph(request)
logger.info('trying to connect using facebook')
graph = get_persistent_graph(request)
if graph:
logger.info('found a graph object')
klass = get_facebook_user_converter_class()
facebook = klass(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)
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)
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)
if not settings.DEBUG and facebook_settings.FACEBOOK_HIDE_CONNECT_TEST:
raise Http404
return render_to_response('django_facebook/connect.html', context)
def disconnect(request):
'''
Removes Facebook from the users profile
And redirects to the specified next page
