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import logging
import json
import urlparse
import urllib
from zope.interface import implements
from zope.publisher.browser import BrowserView
from zope.component import getUtility
from plone.registry.interfaces import IRegistry
from Products.CMFCore.utils import getToolByName
from Products.PluggableAuthService.plugins.BasePlugin import BasePlugin
from Products.PluggableAuthService.interfaces.plugins import (
from restarter.policy.browser.facebook_login import FACEBOOK_ACCESS_TOKEN_URL, FACEBOOK_PROFILE_URL
logger = logging.getLogger('restarter.policy')
class AddForm(BrowserView):
"""Add form the PAS plugin
def __call__(self):
if 'form.button.Add' in self.request.form:
name = self.request.form.get('id')
title = self.request.form.get('title')
plugin = FacebookUsers(name, title)
self.context.context[name] = plugin
self.request.response.redirect(self.context.absolute_url() +
class FacebookUsers(BasePlugin):
"""PAS plugin for authentication against facebook.
Here, we implement a number of PAS interfaces, using a session managed
by Beaker (via collective.beaker) to temporarily store the values we
have captured.
# List PAS interfaces we implement here
def __init__(self, id, title=None):
self.__name__ = = id
self.title = title
def __get_access_token__(self, verificationCode):
registry = getUtility(IRegistry)
FB_APP_SECRET = registry.get('restarter.policy.browser.facebook_login.IFacebookloginSettings.fb_app_secret').encode()
FB_APP_ID = registry.get('restarter.policy.browser.facebook_login.IFacebookloginSettings.fb_app_id').encode()
args = {
'client_id': FB_APP_ID,
'redirect_uri': "%s/facebook-login" % self.portal_url(),
args["client_secret"] = FB_APP_SECRET
args["code"] = verificationCode
print 'Getting token from facebook'
response = urlparse.parse_qs(urllib.urlopen(
"%s?%s" % (FACEBOOK_ACCESS_TOKEN_URL, urllib.urlencode(args),)
# Load the profile using the access token we just received
accessToken = response["access_token"][-1]
return accessToken
def extractCredentials(self, request):
verificationCode = request.get("code", None)
if verificationCode:
session = self.session_data_manager.getSessionData()
accessToken = session.get('facebook_token')
if not accessToken:
accessToken = self.__get_access_token__(verificationCode)
session['facebook_token'] = accessToken
print 'Getting profile from facebook'
profile = json.load(urllib.urlopen(
"%s?%s" % (FACEBOOK_PROFILE_URL, urllib.urlencode({'access_token': accessToken}),)
session['facebook_profile'] = profile
return {'facebook_id': profile.get('id')}
return {}
def authenticateCredentials(self, credentials):
facebook_id = credentials.get('facebook_id')
if facebook_id is not None:
ms_tool = getToolByName(self, 'portal_membership')
user_id = login = ''
for member in ms_tool.listMembers():
member_facebook_id = member.getProperty('facebook_id')
if facebook_id == member_facebook_id:
user_id = login = member.getId()
if user_id and login:
self._getPAS().updateCredentials(self.REQUEST, self.REQUEST.RESPONSE, login, "")
return (user_id, login)
return None
return None