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# -*- coding: utf-8 -*-
import re
from django.utils.encoding import smart_unicode
from django.utils.html import escape
from django.http import get_host
from forum.authentication.base import AuthenticationConsumer, InvalidAuthentication
import settings
from openid.yadis import xri
from openid.consumer.consumer import Consumer, SUCCESS, CANCEL, FAILURE, SETUP_NEEDED
from openid.consumer.discover import DiscoveryFailure
from openid.extensions.sreg import SRegRequest, SRegResponse
from openid.extensions.ax import FetchRequest as AXFetchRequest, AttrInfo, FetchResponse as AXFetchResponse
from django.utils.translation import ugettext as _
from store import OsqaOpenIDStore
class OpenIdAbstractAuthConsumer(AuthenticationConsumer):
dataype2ax_schema = {
'username': 'http://axschema.org/namePerson/friendly',
'email': 'http://axschema.org/contact/email',
#'web': 'http://axschema.org/contact/web/default',
#'firstname': 'http://axschema.org/namePerson/first',
#'lastname': 'http://axschema.org/namePerson/last',
#'birthdate': 'http://axschema.org/birthDate',
}
sreg_attributes = {
"required": {
"email": "email",
"nickname": "username",
"fullname": "real_name"
}
}
def get_user_url(self, request):
try:
return request.POST['openid_identifier']
except:
raise NotImplementedError()
def prepare_authentication_request(self, request, redirect_to):
if not redirect_to.startswith('http://') or redirect_to.startswith('https://'):
redirect_to = get_url_host(request) + redirect_to
user_url = self.get_user_url(request)
if xri.identifierScheme(user_url) == 'XRI' and getattr(
settings, 'OPENID_DISALLOW_INAMES', False
):
raise InvalidAuthentication('i-names are not supported')
consumer = Consumer(request.session, OsqaOpenIDStore())
try:
auth_request = consumer.begin(user_url)
except DiscoveryFailure:
raise InvalidAuthentication(_('Sorry, but your input is not a valid OpenId'))
sreg = getattr(self, 'sreg_attributes', False)
if sreg:
s = SRegRequest()
for k, attr_dic in sreg.items():
if k == "policy_url":
s.policy_url = attr_dic
continue
for attr_name in attr_dic.keys():
s.requestField(field_name=attr_name, required=(k == "required"))
auth_request.addExtension(s)
ax_schema = getattr(self, 'dataype2ax_schema', False)
if ax_schema and request.session.get('force_email_request', True):
axr = AXFetchRequest()
for data_type, schema in ax_schema.items():
if isinstance(schema, tuple):
axr.add(AttrInfo(schema[0], required=True, alias=schema[1]))
else:
axr.add(AttrInfo(schema, required=True, alias=data_type))
auth_request.addExtension(axr)
trust_root = getattr(
settings, 'OPENID_TRUST_ROOT', get_url_host(request) + '/'
)
return auth_request.redirectURL(trust_root, redirect_to)
def process_authentication_request(self, request):
consumer = Consumer(request.session, OsqaOpenIDStore())
query_dict = dict([
(smart_unicode(k), smart_unicode(v)) for k, v in request.GET.items()
])
#for i in query_dict.items():
#print "%s : %s" % i
url = get_url_host(request) + request.path
openid_response = consumer.complete(query_dict, url)
if openid_response.status == SUCCESS:
consumer_data = {}
sreg_attrs = getattr(self, 'sreg_attributes', False)
if sreg_attrs:
sreg_response = SRegResponse.fromSuccessResponse(openid_response)
if sreg_response:
all_attrs = {}
[all_attrs.update(d) for k,d in sreg_attrs.items() if k != "policy_url"]
for attr_name, local_name in all_attrs.items():
if attr_name in sreg_response:
consumer_data[local_name] = sreg_response[attr_name]
ax_schema = getattr(self, 'dataype2ax_schema', False)
if ax_schema:
ax = AXFetchResponse.fromSuccessResponse(openid_response, False)
if ax:
axargs = ax.getExtensionArgs()
ax_schema2data_type = dict([(s, t) for t, s in ax_schema.items()])
available_types = dict([
(ax_schema2data_type[s], re.sub('^type\.', '', n))
for n, s in axargs.items() if s in ax_schema2data_type
])
for t, s in available_types.items():
if not t in consumer_data:
if axargs.get("value.%s.1" % s, None):
consumer_data[t] = axargs["value.%s.1" % s]
request.session['auth_consumer_data'] = consumer_data
return request.GET['openid.identity']
elif openid_response.status == CANCEL:
raise InvalidAuthentication(_('The OpenId authentication request was canceled'))
elif openid_response.status == FAILURE:
raise InvalidAuthentication(_('The OpenId authentication failed: ') + openid_response.message)
elif openid_response.status == SETUP_NEEDED:
raise InvalidAuthentication(_('Setup needed'))
else:
raise InvalidAuthentication(_('The OpenId authentication failed with an unknown status: ') + openid_response.status)
def get_user_data(self, key):
return {}
def get_url_host(request):
if request.is_secure():
protocol = 'https'
else:
protocol = 'http'
host = escape(get_host(request))
return '%s://%s' % (protocol, host)
def get_full_url(request):
return get_url_host(request) + request.get_full_path()