292 lines
10 KiB
Python
292 lines
10 KiB
Python
import logging
|
|
try:
|
|
from urllib import urlencode
|
|
from urlparse import urlsplit, parse_qs, urlunsplit
|
|
except ImportError:
|
|
from urllib.parse import urlsplit, parse_qs, urlunsplit, urlencode
|
|
|
|
from Cryptodome.PublicKey import RSA
|
|
from django.contrib.auth.views import (
|
|
redirect_to_login,
|
|
logout,
|
|
)
|
|
from django.core.urlresolvers import reverse
|
|
from django.http import JsonResponse
|
|
from django.shortcuts import render
|
|
from django.template.loader import render_to_string
|
|
from django.utils.decorators import method_decorator
|
|
from django.views.decorators.clickjacking import xframe_options_exempt
|
|
from django.views.decorators.http import require_http_methods
|
|
from django.views.generic import View
|
|
from jwkest import long_to_base64
|
|
|
|
from oidc_provider.lib.claims import StandardScopeClaims
|
|
from oidc_provider.lib.endpoints.authorize import AuthorizeEndpoint
|
|
from oidc_provider.lib.endpoints.token import TokenEndpoint
|
|
from oidc_provider.lib.errors import (
|
|
AuthorizeError,
|
|
ClientIdError,
|
|
RedirectUriError,
|
|
TokenError,
|
|
)
|
|
from oidc_provider.lib.utils.common import (
|
|
redirect,
|
|
get_site_url,
|
|
get_issuer,
|
|
)
|
|
from oidc_provider.lib.utils.oauth2 import protected_resource_view
|
|
from oidc_provider.lib.utils.token import client_id_from_id_token
|
|
from oidc_provider.models import (
|
|
Client,
|
|
RESPONSE_TYPE_CHOICES,
|
|
RSAKey,
|
|
)
|
|
from oidc_provider import settings
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class AuthorizeView(View):
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
|
|
authorize = AuthorizeEndpoint(request)
|
|
|
|
try:
|
|
authorize.validate_params()
|
|
|
|
if request.user.is_authenticated():
|
|
# Check if there's a hook setted.
|
|
hook_resp = settings.get('OIDC_AFTER_USERLOGIN_HOOK', import_str=True)(
|
|
request=request, user=request.user,
|
|
client=authorize.client)
|
|
if hook_resp:
|
|
return hook_resp
|
|
|
|
if settings.get('OIDC_SKIP_CONSENT_ALWAYS') and not (authorize.client.client_type == 'public') \
|
|
and not (authorize.params['prompt'] == 'consent'):
|
|
return redirect(authorize.create_response_uri())
|
|
|
|
if settings.get('OIDC_SKIP_CONSENT_ENABLE'):
|
|
# Check if user previously give consent.
|
|
if authorize.client_has_user_consent() and not (authorize.client.client_type == 'public') \
|
|
and not (authorize.params['prompt'] == 'consent'):
|
|
return redirect(authorize.create_response_uri())
|
|
|
|
if authorize.params['prompt'] == 'none':
|
|
raise AuthorizeError(authorize.params['redirect_uri'], 'interaction_required', authorize.grant_type)
|
|
|
|
if authorize.params['prompt'] == 'login':
|
|
return redirect_to_login(request.get_full_path())
|
|
|
|
if authorize.params['prompt'] == 'select_account':
|
|
# TODO: see how we can support multiple accounts for the end-user.
|
|
raise AuthorizeError(authorize.params['redirect_uri'], 'account_selection_required', authorize.grant_type)
|
|
|
|
# Generate hidden inputs for the form.
|
|
context = {
|
|
'params': authorize.params,
|
|
}
|
|
hidden_inputs = render_to_string('oidc_provider/hidden_inputs.html', context)
|
|
|
|
# Remove `openid` from scope list
|
|
# since we don't need to print it.
|
|
if 'openid' in authorize.params['scope']:
|
|
authorize.params['scope'].remove('openid')
|
|
|
|
context = {
|
|
'client': authorize.client,
|
|
'hidden_inputs': hidden_inputs,
|
|
'params': authorize.params,
|
|
'scopes': authorize.get_scopes_information(),
|
|
}
|
|
|
|
return render(request, 'oidc_provider/authorize.html', context)
|
|
else:
|
|
if authorize.params['prompt'] == 'none':
|
|
raise AuthorizeError(authorize.params['redirect_uri'], 'login_required', authorize.grant_type)
|
|
|
|
return redirect_to_login(request.get_full_path())
|
|
|
|
except (ClientIdError, RedirectUriError) as error:
|
|
context = {
|
|
'error': error.error,
|
|
'description': error.description,
|
|
}
|
|
|
|
return render(request, 'oidc_provider/error.html', context)
|
|
|
|
except (AuthorizeError) as error:
|
|
uri = error.create_uri(
|
|
authorize.params['redirect_uri'],
|
|
authorize.params['state'])
|
|
|
|
return redirect(uri)
|
|
|
|
def post(self, request, *args, **kwargs):
|
|
authorize = AuthorizeEndpoint(request)
|
|
|
|
try:
|
|
authorize.validate_params()
|
|
|
|
if not request.POST.get('allow'):
|
|
raise AuthorizeError(authorize.params['redirect_uri'],
|
|
'access_denied',
|
|
authorize.grant_type)
|
|
|
|
# Save the user consent given to the client.
|
|
authorize.set_client_user_consent()
|
|
|
|
uri = authorize.create_response_uri()
|
|
|
|
return redirect(uri)
|
|
|
|
except (AuthorizeError) as error:
|
|
uri = error.create_uri(
|
|
authorize.params['redirect_uri'],
|
|
authorize.params['state'])
|
|
|
|
return redirect(uri)
|
|
|
|
|
|
class TokenView(View):
|
|
|
|
def post(self, request, *args, **kwargs):
|
|
token = TokenEndpoint(request)
|
|
|
|
try:
|
|
token.validate_params()
|
|
|
|
dic = token.create_response_dic()
|
|
|
|
return TokenEndpoint.response(dic)
|
|
|
|
except (TokenError) as error:
|
|
return TokenEndpoint.response(error.create_dict(), status=400)
|
|
|
|
|
|
@require_http_methods(['GET', 'POST'])
|
|
@protected_resource_view(['openid'])
|
|
def userinfo(request, *args, **kwargs):
|
|
"""
|
|
Create a diccionary with all the requested claims about the End-User.
|
|
See: http://openid.net/specs/openid-connect-core-1_0.html#UserInfoResponse
|
|
|
|
Return a diccionary.
|
|
"""
|
|
token = kwargs['token']
|
|
|
|
dic = {
|
|
'sub': token.id_token.get('sub'),
|
|
}
|
|
|
|
standard_claims = StandardScopeClaims(token)
|
|
dic.update(standard_claims.create_response_dic())
|
|
|
|
if settings.get('OIDC_EXTRA_SCOPE_CLAIMS'):
|
|
extra_claims = settings.get('OIDC_EXTRA_SCOPE_CLAIMS', import_str=True)(token)
|
|
dic.update(extra_claims.create_response_dic())
|
|
|
|
response = JsonResponse(dic, status=200)
|
|
response['Access-Control-Allow-Origin'] = '*'
|
|
response['Cache-Control'] = 'no-store'
|
|
response['Pragma'] = 'no-cache'
|
|
|
|
return response
|
|
|
|
|
|
class ProviderInfoView(View):
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
dic = dict()
|
|
|
|
site_url = get_site_url(request=request)
|
|
dic['issuer'] = get_issuer(site_url=site_url, request=request)
|
|
|
|
dic['authorization_endpoint'] = site_url + reverse('oidc_provider:authorize')
|
|
dic['token_endpoint'] = site_url + reverse('oidc_provider:token')
|
|
dic['userinfo_endpoint'] = site_url + reverse('oidc_provider:userinfo')
|
|
dic['end_session_endpoint'] = site_url + reverse('oidc_provider:end-session')
|
|
|
|
types_supported = [x[0] for x in RESPONSE_TYPE_CHOICES]
|
|
dic['response_types_supported'] = types_supported
|
|
|
|
dic['jwks_uri'] = site_url + reverse('oidc_provider:jwks')
|
|
|
|
dic['id_token_signing_alg_values_supported'] = ['HS256', 'RS256']
|
|
|
|
# See: http://openid.net/specs/openid-connect-core-1_0.html#SubjectIDTypes
|
|
dic['subject_types_supported'] = ['public']
|
|
|
|
dic['token_endpoint_auth_methods_supported'] = ['client_secret_post',
|
|
'client_secret_basic']
|
|
|
|
if settings.get('OIDC_SESSION_MANAGEMENT_ENABLE'):
|
|
dic['check_session_iframe'] = site_url + reverse('oidc_provider:check-session-iframe')
|
|
|
|
response = JsonResponse(dic)
|
|
response['Access-Control-Allow-Origin'] = '*'
|
|
|
|
return response
|
|
|
|
|
|
class JwksView(View):
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
dic = dict(keys=[])
|
|
|
|
for rsakey in RSAKey.objects.all():
|
|
public_key = RSA.importKey(rsakey.key).publickey()
|
|
dic['keys'].append({
|
|
'kty': 'RSA',
|
|
'alg': 'RS256',
|
|
'use': 'sig',
|
|
'kid': rsakey.kid,
|
|
'n': long_to_base64(public_key.n),
|
|
'e': long_to_base64(public_key.e),
|
|
})
|
|
|
|
response = JsonResponse(dic)
|
|
response['Access-Control-Allow-Origin'] = '*'
|
|
|
|
return response
|
|
|
|
|
|
class EndSessionView(View):
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
id_token_hint = request.GET.get('id_token_hint', '')
|
|
post_logout_redirect_uri = request.GET.get('post_logout_redirect_uri', '')
|
|
state = request.GET.get('state', '')
|
|
|
|
next_page = settings.get('LOGIN_URL')
|
|
|
|
if id_token_hint:
|
|
client_id = client_id_from_id_token(id_token_hint)
|
|
try:
|
|
client = Client.objects.get(client_id=client_id)
|
|
if post_logout_redirect_uri in client.post_logout_redirect_uris:
|
|
if state:
|
|
uri = urlsplit(post_logout_redirect_uri)
|
|
query_params = parse_qs(uri.query)
|
|
query_params['state'] = state
|
|
uri = uri._replace(query=urlencode(query_params, doseq=True))
|
|
next_page = urlunsplit(uri)
|
|
else:
|
|
next_page = post_logout_redirect_uri
|
|
except Client.DoesNotExist:
|
|
pass
|
|
|
|
return logout(request, next_page=next_page)
|
|
|
|
|
|
class CheckSessionIframeView(View):
|
|
|
|
@method_decorator(xframe_options_exempt)
|
|
def dispatch(self, request, *args, **kwargs):
|
|
return super(CheckSessionIframeView, self).dispatch(request, *args, **kwargs)
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
return render(request, 'oidc_provider/check_session_iframe.html', kwargs)
|