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'''
Created on Apr 10, 2012
@author: leifj
'''
from django.http import HttpResponseNotFound, HttpResponseBadRequest,\
HttpResponse
from coip.apps.resource.models import object_for_uuid
from django.utils import simplejson
from coip.apps.name.models import Name, lookup
from uuid import UUID
from coip.apps.scim import types
import logging
def get_handler_for_prefix(prefix):
if not prefix in types._registry.keys():
return None
return types._registry[prefix]
def scim_response(d,status=200):
content = None
if d != None:
content = simplejson.dumps(d)
r = HttpResponse(content=content,status=status,content_type='application/json')
if not d.has_key('meta'):
d['meta'] = {}
location = d['meta'].get('location',None)
if location is not None:
r['Location'] = location
return r
def _resolve_name(nid):
if nid == None:
return None
if '/' in nid:
return lookup(nid)
try:
pk = int(nid)
return Name.objects.get(id=pk)
except ValueError:
pass
try:
return object_for_uuid(str(UUID(nid)))
except ValueError:
pass
return None
def scim_v1_get(request,name,handler,uuid):
o = object_for_uuid(uuid)
if o == None:
return HttpResponseNotFound
if not isinstance(o, handler.model):
return HttpResponseBadRequest("%s does not resolve to an object of type %s" % (uuid,handler.model.__name__))
d = handler.serialize(o)
#logging.debug(d)
d['meta']['location'] = request.build_absolute_uri()
return scim_response(d)
def scim_v1_post(request,name,handler):
# authorize request based on name
d = simplejson.loads(request.raw_post_data)
o = handler.create(d)
d = handler.serialize(o)
d['meta']['location'] = request.build_absolute_uri()
return scim_response(d,201)
def scim_v1_delete(request,name,handler,uuid):
o = object_for_uuid(uuid)
if o == None:
return HttpResponseNotFound
if not isinstance(o, handler.model):
return HttpResponseBadRequest("%s does not resolve to an object of type %s" % (uuid,handler.model.__name__))
o.delete()
return scim_response(200)
def scim_v1_put(request,name,handler,uuid):
o = object_for_uuid(uuid)
if o == None:
return HttpResponseNotFound
if not isinstance(o,handler.model):
return HttpResponseBadRequest("%s does not resolve to an object of type %s" % (uuid,handler.model.__name__))
d = simplejson.loads(request.raw_post_data)
handler.update(o,d,replace=True)
o.save()
d = handler.serialize(o)
d['meta']['location'] = request.build_absolute_uri()
return scim_response(d,200)
def scim_v1_patch(request,name,handler,uuid):
o = object_for_uuid(uuid)
if o == None:
return HttpResponseNotFound()
if not isinstance(o, handler.model):
return HttpResponseBadRequest("%s does not resolve to an object of type %s" % (uuid,handler.model.__name__))
d = simplejson.loads(request.raw_post_data)
handler.update(o,d,replace=False)
o.save()
return scim_response(204)
def scim_v1(request,nid=None,prefix='Groups',uuid=None):
name = _resolve_name(nid)
handler = get_handler_for_prefix(prefix)
if handler == None:
return HttpResponseNotFound("Unknown SCIM resource type %s" % prefix)
if request.method == 'GET':
return scim_v1_get(request,name,handler,uuid)
if request.method == 'POST':
#if name == None:
# return HttpResponseNotFound("No such name")
if uuid != None:
return HttpResponseBadRequest("POSTing to resource is not allowed. Use PUT to update a resource.")
return scim_v1_post(request,name,handler)
if request.method == 'DELETE':
if uuid == None:
return HttpResponseBadRequest("Missing resource")
return scim_v1_delete(request,name,handler,uuid)
if request.method == 'PATCH':
if uuid == None:
return HttpResponseBadRequest("Missing resource")
return scim_v1_patch(request,name,handler,uuid)
if request.method == 'PUT':
if uuid == None:
return HttpResponseBadRequest("Missing resource")
return scim_v1_put(request,name,handler,uuid)
return HttpResponseBadRequest()
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