parameters: (request)
return_statement: return HttpResponse(json.dumps(result), content_type="application/json")
docstring: returns json-encoded lists of layer identifiers that
      represent the sets of read-write and read-only layers
      for the currently authenticated user.
docstring_summary: returns json-encoded lists of layer identifiers that
      represent the sets of read-write and read-only layers
      for the currently authenticated user.
docstring_tokens: returns json - encoded lists of layer identifiers that represent the sets of read - write and read - only layers for the currently authenticated user .
function: def dataset_acls(request):
      """
      returns json-encoded lists of layer identifiers that
      represent the sets of read-write and read-only layers
      for the currently authenticated user.
      """
      # the dataset_acls view supports basic auth, and a special
      # user which represents the geoserver administrator that
      # is not present in django.
      acl_user = request.user
      if 'HTTP_AUTHORIZATION' in request.META:
          try:
              username, password = _get_basic_auth_info(request)
              acl_user = authenticate(username=username, password=password)
  
              # Nope, is it the special geoserver user?
              if (acl_user is None and
                      username == ogc_server_settings.USER and
                      password == ogc_server_settings.PASSWORD):
                  # great, tell geoserver it's an admin.
                  result = {
                      'rw': [],
                      'ro': [],
                      'name': username,
                      'is_superuser': True,
                      'is_anonymous': False
                  }
                  return HttpResponse(
                      json.dumps(result),
                      content_type="application/json")
          except Exception:
              pass
  
          if acl_user is None:
              return HttpResponse(_("Bad HTTP Authorization Credentials."),
                                  status=401,
                                  content_type="text/plain")
  
      # Include permissions on the anonymous user
      # use of polymorphic selectors/functions to optimize performances
      resources_readable = get_objects_for_user(
          acl_user, 'view_resourcebase',
          ResourceBase.objects.filter(polymorphic_ctype__model='dataset')).values_list('id', flat=True)
      dataset_writable = get_objects_for_user(
          acl_user, 'change_dataset_data',
          Dataset.objects.all())
  
      _read = set(
          Dataset.objects.filter(
              id__in=resources_readable).values_list(
              'alternate',
              flat=True))
      _write = set(dataset_writable.values_list('alternate', flat=True))
  
      read_only = _read ^ _write
      read_write = _read & _write
  
      result = {
          'rw': list(read_write),
          'ro': list(read_only),
          'name': acl_user.username,
          'is_superuser': acl_user.is_superuser,
          'is_anonymous': acl_user.is_anonymous,
      }
      if acl_user.is_authenticated:
          result['fullname'] = acl_user.get_full_name()
          result['email'] = acl_user.email
  
      return HttpResponse(json.dumps(result), content_type="application/json")
function_tokens: def dataset_acls ( request ) : # the dataset_acls view supports basic auth, and a special # user which represents the geoserver administrator that # is not present in django. acl_user = request . user if 'HTTP_AUTHORIZATION' in request . META : try : username , password = _get_basic_auth_info ( request ) acl_user = authenticate ( username = username , password = password ) # Nope, is it the special geoserver user? if ( acl_user is None and username == ogc_server_settings . USER and password == ogc_server_settings . PASSWORD ) : # great, tell geoserver it's an admin. result = { 'rw' : [ ] , 'ro' : [ ] , 'name' : username , 'is_superuser' : True , 'is_anonymous' : False } return HttpResponse ( json . dumps ( result ) , content_type = "application/json" ) except Exception : pass if acl_user is None : return HttpResponse ( _ ( "Bad HTTP Authorization Credentials." ) , status = 401 , content_type = "text/plain" ) # Include permissions on the anonymous user # use of polymorphic selectors/functions to optimize performances resources_readable = get_objects_for_user ( acl_user , 'view_resourcebase' , ResourceBase . objects . filter ( polymorphic_ctype__model = 'dataset' ) ) . values_list ( 'id' , flat = True ) dataset_writable = get_objects_for_user ( acl_user , 'change_dataset_data' , Dataset . objects . all ( ) ) _read = set ( Dataset . objects . filter ( id__in = resources_readable ) . values_list ( 'alternate' , flat = True ) ) _write = set ( dataset_writable . values_list ( 'alternate' , flat = True ) ) read_only = _read ^ _write read_write = _read & _write result = { 'rw' : list ( read_write ) , 'ro' : list ( read_only ) , 'name' : acl_user . username , 'is_superuser' : acl_user . is_superuser , 'is_anonymous' : acl_user . is_anonymous , } if acl_user . is_authenticated : result [ 'fullname' ] = acl_user . get_full_name ( ) result [ 'email' ] = acl_user . email return HttpResponse ( json . dumps ( result ) , content_type = "application/json" )