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