code: def check_rights_and_access(request, meta, project=None):
      
      # User must be logged ?
      if ('only_logged_user' in meta and meta['only_logged_user']):
          if not request.user.is_authenticated():
              return gen403(request, baseURI, 'only_logged_user', project)
  
      # User must be member of the project ?
      if ('only_member_user' in meta and meta['only_member_user']):
          if not request.user.ebuio_member:
              return gen403(request, baseURI, 'only_member_user', project)
  
      # User must be administrator of the project ?
      if ('only_admin_user' in meta and meta['only_admin_user']):
          if not request.user.ebuio_admin:
              return gen403(request, baseURI, 'only_admin_user', project)
  
      # User must be member of the orga ?
      if ('only_orga_member_user' in meta and meta['only_orga_member_user']):
          if not request.user.ebuio_orga_member:
              return gen403(request, baseURI, 'only_orga_member_user', project)
  
      # User must be administrator of the orga ?
      if ('only_orga_admin_user' in meta and meta['only_orga_admin_user']):
          if not request.user.ebuio_orga_admin:
              return gen403(request, baseURI, 'only_orga_admin_user', project)
  
      # Remote IP must be in range ?
      if ('address_in_networks' in meta):
          if not is_requestaddress_in_networks(request, meta['address_in_networks']):
              return gen403(request, baseURI, 'address_in_networks', project)
docs: Check if the user can access the page