<s> import json <EOL> from pika import BasicProperties <EOL> from synapse . config import config <EOL> from synapse . logger import logger <EOL> from synapse import permissions <EOL> @ logger <EOL> class Message ( object ) : <EOL> _model = { } <EOL> def __init__ ( self , message ) : <EOL> self . body = self . validate ( message ) <EOL> def validate ( self , message ) : <EOL> raise NotImplementedError <EOL> class OutgoingMessage ( Message ) : <EOL> def __init__ ( self , <EOL> resource_id = '<STR_LIT>' , <EOL> collection = '<STR_LIT>' , <EOL> status = { } , <EOL> msg_type = '<STR_LIT>' , <EOL> ** kwargs ) : <EOL> msg = { <EOL> '<STR_LIT>' : resource_id , <EOL> '<STR_LIT>' : collection , <EOL> '<STR_LIT:status>' : status , <EOL> '<STR_LIT>' : msg_type <EOL> } <EOL> for kwarg in kwargs : <EOL> msg [ kwarg ] = kwargs [ kwarg ] <EOL> self . body = self . validate ( msg ) <EOL> def validate ( self , msg ) : <EOL> _model = { <EOL> '<STR_LIT>' : config . rabbitmq [ '<STR_LIT>' ] , <EOL> '<STR_LIT>' : '<STR_LIT>' , <EOL> '<STR_LIT>' : '<STR_LIT>' , <EOL> '<STR_LIT:status>' : { } , <EOL> '<STR_LIT:version>' : config . SYNAPSE_VERSION <EOL> } <EOL> if not isinstance ( msg , dict ) : <EOL> raise ValueError ( "<STR_LIT>" ) <EOL> try : <EOL> _model . update ( msg ) <EOL> msg = json . dumps ( _model ) <EOL> except AttributeError as err : <EOL> raise ValueError ( "<STR_LIT>" , err ) <EOL> return msg <EOL> class IncomingMessage ( Message ) : <EOL> def validate ( self , msg ) : <EOL> _model = { <EOL> '<STR_LIT:id>' : '<STR_LIT>' , <EOL> '<STR_LIT>' : '<STR_LIT>' , <EOL> '<STR_LIT:action>' : '<STR_LIT>' , <EOL> '<STR_LIT>' : { } , <EOL> '<STR_LIT>' : False <EOL> } <EOL> try : <EOL> msg = json . loads ( msg ) <EOL> _model . update ( msg ) <EOL> except AttributeError as err : <EOL> raise ValueError ( "<STR_LIT>" , err ) <EOL> if '<STR_LIT>' not in msg or not msg [ '<STR_LIT>' ] : <EOL> raise ValueError ( "<STR_LIT>" ) <EOL> if '<STR_LIT:action>' not in msg or not msg [ '<STR_LIT:action>' ] : <EOL> raise ValueError ( "<STR_LIT>" ) <EOL> if '<STR_LIT>' in msg and not isinstance ( msg [ '<STR_LIT>' ] , dict ) : <EOL> raise ValueError ( "<STR_LIT>" ) <EOL> if '<STR_LIT>' in msg and not isinstance ( msg [ '<STR_LIT>' ] , bool ) : <EOL> raise ValueError ( "<STR_LIT>" ) <EOL> return _model <EOL> @ logger <EOL> class Task ( object ) : <EOL> def __init__ ( self , message , sender = '<STR_LIT>' , check_permissions = True ) : <EOL> self . body = message . body <EOL> self . sender = sender <EOL> def _check_permissions ( self , msg ) : <EOL> allowed = permissions . get ( config . controller [ '<STR_LIT>' ] ) <EOL> perms = permissions . check ( allowed , <EOL> self . sender , <EOL> msg [ '<STR_LIT>' ] , <EOL> msg [ '<STR_LIT:id>' ] ) <EOL> if self . body [ '<STR_LIT:action>' ] not in perms : <EOL> raise ValueError ( "<STR_LIT>" ) <EOL> @ logger <EOL> class AmqpTask ( Task ) : <EOL> def __init__ ( self , body , headers = { } ) : <EOL> self . headers = headers <EOL> self . sender = self . _get_sender ( self . headers ) <EOL> super ( AmqpTask , self ) . __init__ ( body , sender = self . sender ) <EOL> self . user_id = self . _get_user_id ( ) <EOL> self . correlation_id = self . _get_correlation_id ( self . headers ) <EOL> self . delivery_tag = self . _get_delivery_tag ( self . headers ) <EOL> self . publish_exchange = self . _get_publish_exchange ( self . headers ) <EOL> self . routing_key = self . _get_routing_key ( self . headers ) <EOL> self . redeliver = False <EOL> def _get_publish_exchange ( self , headers ) : <EOL> publish_exchange = None <EOL> if '<STR_LIT>' in headers : <EOL> hds = headers [ '<STR_LIT>' ] <EOL> if isinstance ( hds , dict ) : <EOL> publish_exchange = hds . get ( '<STR_LIT>' ) <EOL> if publish_exchange is None : <EOL> publish_exchange = config . rabbitmq [ '<STR_LIT>' ] <EOL> return publish_exchange <EOL> def _get_delivery_tag ( self , headers ) : <EOL> return headers . get ( '<STR_LIT>' ) <EOL> def _get_routing_key ( self , headers ) : <EOL> routing_key = headers . get ( '<STR_LIT>' , headers . get ( '<STR_LIT>' ) ) <EOL> if routing_key is None : <EOL> routing_key = config . rabbitmq [ '<STR_LIT>' ] <EOL> return routing_key <EOL> def _get_correlation_id ( self , headers ) : <EOL> return headers . get ( '<STR_LIT>' ) <EOL> def _get_sender ( self , headers ) : <EOL> return headers . get ( '<STR_LIT>' ) or '<STR_LIT>' <EOL> def _get_user_id ( self ) : <EOL> return config . rabbitmq [ '<STR_LIT:username>' ] <EOL> def get ( self ) : <EOL> basic_properties = BasicProperties ( correlation_id = self . correlation_id , <EOL> user_id = self . user_id ) <EOL> body = self . body <EOL> if isinstance ( body , dict ) : <EOL> body = json . dumps ( self . body ) <EOL> try : <EOL> return { "<STR_LIT>" : self . publish_exchange , <EOL> "<STR_LIT>" : self . routing_key , <EOL> "<STR_LIT>" : basic_properties , <EOL> "<STR_LIT:body>" : body } <EOL> except ValueError as err : <EOL> self . logger . error ( "<STR_LIT>" % err ) </s>
