65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
|
import logging
|
||
|
|
import re
|
||
|
|
|
||
|
|
from django.http import HttpResponse
|
||
|
|
|
||
|
|
from oidc_provider.lib.errors import BearerTokenError
|
||
|
|
from oidc_provider.models import Token
|
||
|
|
|
||
|
|
|
||
|
|
logger = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
|
||
|
|
def extract_access_token(request):
|
||
|
|
"""
|
||
|
|
Get the access token using Authorization Request Header Field method.
|
||
|
|
Or try getting via GET.
|
||
|
|
See: http://tools.ietf.org/html/rfc6750#section-2.1
|
||
|
|
|
||
|
|
Return a string.
|
||
|
|
"""
|
||
|
|
auth_header = request.META.get('HTTP_AUTHORIZATION', '')
|
||
|
|
|
||
|
|
if re.compile('^Bearer\s{1}.+$').match(auth_header):
|
||
|
|
access_token = auth_header.split()[1]
|
||
|
|
else:
|
||
|
|
access_token = request.GET.get('access_token', '')
|
||
|
|
|
||
|
|
return access_token
|
||
|
|
|
||
|
|
|
||
|
|
def protected_resource_view(scopes=[]):
|
||
|
|
"""
|
||
|
|
View decorator. The client accesses protected resources by presenting the
|
||
|
|
access token to the resource server.
|
||
|
|
https://tools.ietf.org/html/rfc6749#section-7
|
||
|
|
"""
|
||
|
|
def wrapper(view):
|
||
|
|
def view_wrapper(request, *args, **kwargs):
|
||
|
|
access_token = extract_access_token(request)
|
||
|
|
|
||
|
|
try:
|
||
|
|
try:
|
||
|
|
kwargs['token'] = Token.objects.get(access_token=access_token)
|
||
|
|
except Token.DoesNotExist:
|
||
|
|
logger.error('[UserInfo] Token does not exist: %s', access_token)
|
||
|
|
raise BearerTokenError('invalid_token')
|
||
|
|
|
||
|
|
if kwargs['token'].has_expired():
|
||
|
|
logger.error('[UserInfo] Token has expired: %s', access_token)
|
||
|
|
raise BearerTokenError('invalid_token')
|
||
|
|
|
||
|
|
if not set(scopes).issubset(set(kwargs['token'].scope)):
|
||
|
|
logger.error('[UserInfo] Missing openid scope.')
|
||
|
|
raise BearerTokenError('insufficient_scope')
|
||
|
|
except (BearerTokenError) as error:
|
||
|
|
response = HttpResponse(status=error.status)
|
||
|
|
response['WWW-Authenticate'] = 'error="{0}", error_description="{1}"'.format(error.code, error.description)
|
||
|
|
return response
|
||
|
|
|
||
|
|
return view(request, *args, **kwargs)
|
||
|
|
|
||
|
|
return view_wrapper
|
||
|
|
|
||
|
|
return wrapper
|