-import hashlib
-from time import time
-from datetime import datetime
+# -*- coding: utf-8 -*-
+
+import cgi
+import logging
+
from urllib import urlopen, urlencode
-from urlparse import parse_qs
from forum.authentication.base import AuthenticationConsumer, ConsumerTemplateContext, InvalidAuthentication
-from django.utils.translation import ugettext as _
+
+from django.conf import settings as django_settings
from django.utils.encoding import smart_unicode
+from django.utils.translation import ugettext as _
import settings
-try:
- from json import load as load_json
-except:
- from django.utils.simplejson import JSONDecoder
+from json import load as load_json
- def load_json(json):
- decoder = JSONDecoder()
- return decoder.decode(json.read())
class FacebookAuthConsumer(AuthenticationConsumer):
-
+
+ def prepare_authentication_request(self, request, redirect_to):
+ args = dict(
+ client_id=settings.FB_API_KEY,
+ redirect_uri="%s%s" % (django_settings.APP_URL, redirect_to),
+ scope="email"
+ )
+
+ facebook_api_authentication_url = "https://graph.facebook.com/oauth/authorize?" + urlencode(args)
+
+ return facebook_api_authentication_url
+
def process_authentication_request(self, request):
- API_KEY = str(settings.FB_API_KEY)
-
- # Check if the Facebook cookie has been received.
- if 'fbs_%s' % API_KEY in request.COOKIES:
- fbs_cookie = request.COOKIES['fbs_%s' % API_KEY]
- parsed_fbs = parse_qs(smart_unicode(fbs_cookie))
- self.parsed_fbs = parsed_fbs
-
- # Check if the session hasn't expired.
- if self.check_session_expiry(request.COOKIES):
- return parsed_fbs['uid'][0]
- else:
- raise InvalidAuthentication(_('Sorry, your Facebook session has expired, please try again'))
- else:
- raise InvalidAuthentication(_('The authentication with Facebook connect failed, cannot find authentication tokens'))
- def check_session_expiry(self, cookies):
- return datetime.fromtimestamp(float(self.parsed_fbs['expires'][0])) > datetime.now()
-
- def get_user_data(self, cookies):
- API_KEY = str(settings.FB_API_KEY)
- fbs_cookie = cookies['fbs_%s' % API_KEY]
- parsed_fbs = parse_qs(smart_unicode(fbs_cookie))
-
- # Communicate with the access token to the Facebook oauth interface.
- json = load_json(urlopen('https://graph.facebook.com/me?access_token=%s' % parsed_fbs['access_token'][0]))
-
- first_name = smart_unicode(json['first_name'])
- last_name = smart_unicode(json['last_name'])
- full_name = '%s %s' % (first_name, last_name)
-
- # There is a limit in the Django user model for the username length (no more than 30 characaters)
- if len(full_name) <= 30:
- username = full_name
- # If the full name is too long use only the first
- elif len(first_name) <= 30:
- username = first_name
- # If it's also that long -- only the last
- elif len(last_name) <= 30:
- username = last_name
- # If the real name of the user is indeed that weird, let him choose something on his own =)
- else:
- username = ''
+ try:
+ args = dict(client_id=settings.FB_API_KEY, redirect_uri="%s%s" % (django_settings.APP_URL, request.path))
+
+ args["client_secret"] = settings.FB_APP_SECRET #facebook APP Secret
+
+ args["code"] = request.GET.get("code", None)
+ response = cgi.parse_qs(urlopen("https://graph.facebook.com/oauth/access_token?" + urlencode(args)).read())
+ access_token = response["access_token"][-1]
+
+
+ user_data = self.get_user_data(access_token)
+ assoc_key = user_data["id"]
+
+ # Store the access token in cookie
+ request.session["access_token"] = access_token
+ request.session["assoc_key"] = assoc_key
+
+ # Return the association key
+ return assoc_key
+ except Exception, e:
+ logging.error("Problem during facebook authentication: %s" % e)
+ raise InvalidAuthentication(_("Something wrond happened during Facebook authentication, administrators will be notified"))
+
+ def get_user_data(self, access_token):
+ profile = load_json(urlopen("https://graph.facebook.com/me?" + urlencode(dict(access_token=access_token))))
+
+ name = profile["name"]
+
+ # Check whether the length if the email is greater than 75, if it is -- just replace the email
+ # with a blank string variable, otherwise we're going to have trouble with the Django model.
+ email = smart_unicode(profile['email'])
+ if len(email) > 75:
+ email = ''
+
+ # If the name is longer than 30 characters - leave it blank
+ if len(name) > 30:
+ name = ''
# Return the user data.
return {
- 'username': username,
- 'email': smart_unicode(json['email']),
+ 'id' : profile['id'],
+ 'username': name,
+ 'email': email,
}
class FacebookAuthContext(ConsumerTemplateContext):
weight = 100
human_name = 'Facebook'
code_template = 'modules/facebookauth/button.html'
- extra_css = ["http://www.facebook.com/css/connect/connect_button.css"]
+ extra_css = []
- API_KEY = settings.FB_API_KEY
\ No newline at end of file
+ API_KEY = settings.FB_API_KEY
projects / osqa.git / blobdiff