-import hashlib\r
-from time import time\r
-from datetime import datetime\r
-from urllib import urlopen, urlencode\r
-from forum.authentication.base import AuthenticationConsumer, ConsumerTemplateContext, InvalidAuthentication\r
-from django.utils.translation import ugettext as _\r
-\r
-import settings\r
-\r
-try:\r
- from json import load as load_json\r
-except:\r
- from django.utils.simplejson import JSONDecoder\r
-\r
- def load_json(json):\r
- decoder = JSONDecoder()\r
- return decoder.decode(json.read())\r
-\r
-class FacebookAuthConsumer(AuthenticationConsumer):\r
- \r
- def process_authentication_request(self, request):\r
- API_KEY = settings.FB_API_KEY\r
-\r
- if API_KEY in request.COOKIES:\r
- if self.check_cookies_signature(request.COOKIES):\r
- if self.check_session_expiry(request.COOKIES):\r
- return request.COOKIES[API_KEY + '_user']\r
- else:\r
- raise InvalidAuthentication(_('Sorry, your Facebook session has expired, please try again'))\r
- else:\r
- raise InvalidAuthentication(_('The authentication with Facebook connect failed due to an invalid signature'))\r
- else:\r
- raise InvalidAuthentication(_('The authentication with Facebook connect failed, cannot find authentication tokens'))\r
-\r
- def generate_signature(self, values):\r
- keys = []\r
-\r
- for key in sorted(values.keys()):\r
- keys.append(key)\r
-\r
- signature = ''.join(['%s=%s' % (key, values[key]) for key in keys]) + settings.FB_APP_SECRET\r
- return hashlib.md5(signature).hexdigest()\r
-\r
- def check_session_expiry(self, cookies):\r
- return datetime.fromtimestamp(float(cookies[settings.FB_API_KEY+'_expires'])) > datetime.now()\r
-\r
- def check_cookies_signature(self, cookies):\r
- API_KEY = settings.FB_API_KEY\r
-\r
- values = {}\r
-\r
- for key in cookies.keys():\r
- if (key.startswith(API_KEY + '_')):\r
- values[key.replace(API_KEY + '_', '')] = cookies[key]\r
-\r
- return self.generate_signature(values) == cookies[API_KEY]\r
-\r
- def get_user_data(self, key):\r
- request_data = {\r
- 'method': 'Users.getInfo',\r
- 'api_key': settings.FB_API_KEY,\r
- 'call_id': time(),\r
- 'v': '1.0',\r
- 'uids': key,\r
- 'fields': 'name,first_name,last_name,email',\r
- 'format': 'json',\r
- }\r
-\r
- request_data['sig'] = self.generate_signature(request_data)\r
- fb_response = load_json(urlopen(settings.REST_SERVER, urlencode(request_data)))[0]\r
-\r
- return {\r
- 'username': fb_response['first_name'] + ' ' + fb_response['last_name'],\r
- 'email': fb_response['email']\r
- }\r
-\r
-class FacebookAuthContext(ConsumerTemplateContext):\r
- mode = 'BIGICON'\r
- type = 'CUSTOM'\r
- weight = 100\r
- human_name = 'Facebook'\r
- code_template = 'modules/facebookauth/button.html'\r
- extra_css = ["http://www.facebook.com/css/connect/connect_button.css"]\r
-\r
- API_KEY = settings.FB_API_KEY
\ No newline at end of file
+# -*- coding: utf-8 -*-
+
+import cgi
+import logging
+
+from urllib import urlopen, urlencode
+from forum.authentication.base import AuthenticationConsumer, ConsumerTemplateContext, InvalidAuthentication
+
+from django.conf import settings as django_settings
+from django.utils.encoding import smart_unicode
+from django.utils.translation import ugettext as _
+
+import settings
+
+from json import load as load_json
+
+
+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):
+ 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 {
+ 'id' : profile['id'],
+ 'username': name,
+ 'email': email,
+ }
+
+class FacebookAuthContext(ConsumerTemplateContext):
+ mode = 'BIGICON'
+ type = 'CUSTOM'
+ weight = 100
+ human_name = 'Facebook'
+ code_template = 'modules/facebookauth/button.html'
+ extra_css = []
+
+ API_KEY = settings.FB_API_KEY
projects / osqa.git / blobdiff