def facebook_callback(request, error_template_name="la_facebook/fb_error.html", fb_callback_path=None):
"""
1. define RequestContext
2. access OAuth
3. check session
4. autheticate token
5. raise exception if missing token
6. return access callback
7. raise exception if mismatch token
8. render error
"""
ctx = RequestContext(request)
access = OAuthAccess(fb_callback_path=fb_callback_path)
# TODO: Check to make sure the session cookie is setting correctly
unauth_token = request.session.get("unauth_token", None)
try:
protocol = "https" if request.is_secure() else "http"
auth_token = access.check_token(unauth_token, request.GET, protocol=protocol)
except MissingToken:
ctx.update({"error": "token_missing"})
logger.error('la_facebook.views.facebook_callback: missing token')
else:
if auth_token:
logger.debug('la_facebook.views.facebook_callback: token success '\
', sending to callback')
return access.callback(request, access, auth_token)
else:
# @@@ not nice for OAuth 2
ctx.update({"error": "token_mismatch"})
logger.error('la_facebook.views.facebook_callback: token mismatch'\
', error getting token, or user denied FB login')
# we either have a missing token or a token mismatch
# Facebook provides some error details in the callback URL
fb_errors = []
for fb_error_detail in ['error', 'error_description', 'error_reason']:
if fb_error_detail in request.GET:
ctx['fb_' + fb_error_detail] = request.GET[fb_error_detail]
fb_errors.append(request.GET[fb_error_detail])
logger.warning('la_facebook.views.facebook_callback: %s'
% ', '.join(fb_errors))
# Can't change to 401 error because that prompts basic browser auth
return render_to_response(error_template_name, ctx)
def facebook_callback(request,
error_template_name="la_facebook/fb_error.html"):
"""
1. define RequestContext
2. access OAuth
3. check session
4. autheticate token
5. raise exception if missing token
6. return access callback
7. raise exception if mismatch token
8. render error
"""
ctx = RequestContext(request)
access = OAuthAccess()
# TODO: Check to make sure the session cookie is setting correctly
unauth_token = request.session.get("unauth_token", None)
try:
auth_token = access.check_token(unauth_token, request.GET)
except MissingToken:
ctx.update({"error": "token_missing"})
logger.error('la_facebook.views.facebook_callback: missing token')
else:
if auth_token:
logger.debug('la_facebook.views.facebook_callback: token success '\
', sending to callback')
return access.callback(request, access, auth_token)
else:
# @@@ not nice for OAuth 2
ctx.update({"error": "token_mismatch"})
logger.error('la_facebook.views.facebook_callback: token mismatch'\
', error getting token, or user denied FB login')
# we either have a missing token or a token mismatch
# Facebook provides some error details in the callback URL
fb_errors = []
for fb_error_detail in ['error', 'error_description', 'error_reason']:
if fb_error_detail in request.GET:
ctx['fb_' + fb_error_detail] = request.GET[fb_error_detail]
fb_errors.append(request.GET[fb_error_detail])
logger.warning('la_facebook.views.facebook_callback: %s' %
', '.join(fb_errors))
# Can't change to 401 error because that prompts basic browser auth
return render_to_response(error_template_name, ctx)
def update_profile_from_graph(self, request, access, token, user):
user_data = self.fetch_user_data(request, access, token)
profile_model = get_model(*settings.AUTH_PROFILE_MODULE.split('.'))
profile, created = profile_model.objects.get_or_create(
user = user,
facebookID = user_data['id']
)
profile.updateUsingFacebookDictionary(user_data)
profile.save()
facebookUser = profile.getOrCreateFacebookUser()
facebookUser.save()
# send an email to admins if new user
if created:
try:
user_joined(profile)
except:
logger.error("Failed to send user-joined email for user %s; allowing auth process to continue" % user);
return profile
def update_profile_from_graph(self, request, access, token, user):
user_data = self.fetch_user_data(request, access, token)
profile_model = get_model(*settings.AUTH_PROFILE_MODULE.split('.'))
profile, created = profile_model.objects.get_or_create(
user=user, facebookID=user_data['id'])
profile.updateUsingFacebookDictionary(user_data)
profile.save()
facebookUser = profile.getOrCreateFacebookUser()
facebookUser.save()
# send an email to admins if new user
if created:
try:
user_joined(profile)
except:
logger.error(
"Failed to send user-joined email for user %s; allowing auth process to continue"
% user)
return profile
def facebook_callback(request):
"""
1. define RequestContext
2. access OAuth
3. check session
4. autheticate token
5. raise exception if missing token
6. return access callback
7. raise exception if mismatch token
8. render error
"""
ctx = RequestContext(request)
access = OAuthAccess()
# TODO: Check to make sure the session cookie is setting correctly
unauth_token = request.session.get("unauth_token", None)
try:
auth_token = access.check_token(unauth_token, request.GET)
except MissingToken:
ctx.update({"error": "token_missing"})
logger.error('la_facebook.views.facebook_login: missing token')
else:
if auth_token:
return access.callback(request, access, auth_token)
else:
# @@@ not nice for OAuth 2
ctx.update({"error": "token_mismatch"})
logger.error('la_facebook.views.facebook_callback: token mismatch'\
', error getting token, or user denied FB login')
# we either have a missing token or a token mismatch
# Facebook provides some error details in the callback URL
fb_errors = []
for fb_error_detail in ['error', 'error_description', 'error_reason']:
if fb_error_detail in request.GET:
ctx['fb_' + fb_error_detail] = request.GET[fb_error_detail]
fb_errors.append(request.GET[fb_error_detail])
logger.warning('la_facebook.views.facebook_callback: %s'
% ', '.join(fb_errors))
return render_to_response("la_facebook/fb_error.html", ctx)
