import RNS import LXMF import threading import plyer import os.path import time import sqlite3 import RNS.vendor.umsgpack as msgpack class PropagationNodeDetector(): EMITTED_DELTA_GRACE = 300 EMITTED_DELTA_IGNORE = 10 aspect_filter = "lxmf.propagation" def received_announce(self, destination_hash, announced_identity, app_data): try: unpacked = msgpack.unpackb(app_data) node_active = unpacked[0] emitted = unpacked[1] hops = RNS.Transport.hops_to(destination_hash) age = time.time() - emitted if age < 0: RNS.log("Warning, propagation node announce emitted in the future, possible timing inconsistency or tampering attempt.") if age < -1*PropagationNodeDetector.EMITTED_DELTA_GRACE: raise ValueError("Announce timestamp too far in the future, discarding it") if age > -1*PropagationNodeDetector.EMITTED_DELTA_IGNORE: # age = 0 pass RNS.log("Detected active propagation node "+RNS.prettyhexrep(destination_hash)+" emission "+str(age)+" seconds ago, "+str(hops)+" hops away") self.owner.log_announce(destination_hash, RNS.prettyhexrep(destination_hash).encode("utf-8"), dest_type=PropagationNodeDetector.aspect_filter) if self.owner.config["lxmf_propagation_node"] == None: if self.owner.active_propagation_node == None: self.owner.set_active_propagation_node(destination_hash) else: prev_hops = RNS.Transport.hops_to(self.owner.active_propagation_node) if hops <= prev_hops: self.owner.set_active_propagation_node(destination_hash) else: pass else: pass except Exception as e: RNS.log("Error while processing received propagation node announce: "+str(e)) def __init__(self, owner): self.owner = owner self.owner_app = owner.owner_app class SidebandCore(): CONV_P2P = 0x01 CONV_GROUP = 0x02 CONV_BROADCAST = 0x03 MAX_ANNOUNCES = 64 aspect_filter = "lxmf.delivery" def received_announce(self, destination_hash, announced_identity, app_data): # Add the announce to the directory announce # stream logger self.log_announce(destination_hash, app_data, dest_type=SidebandCore.aspect_filter) def __init__(self, owner_app): self.owner_app = owner_app self.reticulum = None self.app_dir = plyer.storagepath.get_home_dir()+"/.sideband" self.rns_configdir = None if RNS.vendor.platformutils.get_platform() == "android": self.app_dir = plyer.storagepath.get_application_dir()+"/io.unsigned.sideband/files/" self.rns_configdir = self.app_dir+"/app_storage/reticulum" if not os.path.isdir(self.app_dir+"/app_storage"): os.makedirs(self.app_dir+"/app_storage") self.asset_dir = self.app_dir+"/assets" self.kv_dir = self.app_dir+"/views/kv" self.config_path = self.app_dir+"/app_storage/sideband_config" self.identity_path = self.app_dir+"/app_storage/primary_identity" self.db_path = self.app_dir+"/app_storage/sideband.db" self.lxmf_storage = self.app_dir+"/app_storage/" try: if not os.path.isfile(self.config_path): self.__init_config() else: self.__load_config() except Exception as e: RNS.log("Error while configuring Sideband: "+str(e), RNS.LOG_ERROR) # Initialise Reticulum configuration if RNS.vendor.platformutils.get_platform() == "android": try: self.rns_configdir = self.app_dir+"/app_storage/reticulum" if not os.path.isdir(self.rns_configdir): os.makedirs(self.rns_configdir) RNS.log("Configuring Reticulum instance...") config_file = open(self.rns_configdir+"/config", "wb") config_file.write(rns_config) config_file.close() except Exception as e: RNS.log("Error while configuring Reticulum instance: "+str(e), RNS.LOG_ERROR) else: pass self.active_propagation_node = None self.propagation_detector = PropagationNodeDetector(self) RNS.Transport.register_announce_handler(self) RNS.Transport.register_announce_handler(self.propagation_detector) self.start() def __init_config(self): RNS.log("Creating new Sideband configuration...") if os.path.isfile(self.identity_path): self.identity = RNS.Identity.from_file(self.identity_path) else: self.identity = RNS.Identity() self.identity.to_file(self.identity_path) self.config = {} # Settings self.config["display_name"] = "Anonymous Peer" self.config["start_announce"] = False self.config["propagation_by_default"] = False self.config["home_node_as_broadcast_repeater"] = False self.config["send_telemetry_to_home_node"] = False self.config["lxmf_propagation_node"] = None self.config["lxmf_sync_limit"] = None self.config["lxmf_sync_max"] = 3 self.config["last_lxmf_propagation_node"] = None self.config["nn_home_node"] = None # Connectivity self.config["connect_local"] = True self.config["connect_local_groupid"] = "" self.config["connect_local_ifac_netname"] = "" self.config["connect_local_ifac_passphrase"] = "" self.config["connect_tcp"] = False self.config["connect_tcp_host"] = "sideband.connect.reticulum.network" self.config["connect_tcp_port"] = "7822" self.config["connect_tcp_ifac_netname"] = "" self.config["connect_tcp_ifac_passphrase"] = "" self.config["connect_i2p"] = False self.config["connect_i2p_b32"] = "mrwqlsioq4hoo2lmeeud7dkfscnm7yxak7dmiyvsrnpfag3z5tsq.b32.i2p" self.config["connect_i2p_ifac_netname"] = "" self.config["connect_i2p_ifac_passphrase"] = "" self.__save_config() if not os.path.isfile(self.db_path): self.__db_init() def __load_config(self): RNS.log("Loading Sideband identity...") self.identity = RNS.Identity.from_file(self.identity_path) RNS.log("Loading Sideband configuration... "+str(self.config_path)) config_file = open(self.config_path, "rb") self.config = msgpack.unpackb(config_file.read()) config_file.close() if not os.path.isfile(self.db_path): self.__db_init() def __save_config(self): RNS.log("Saving Sideband configuration...") config_file = open(self.config_path, "wb") config_file.write(msgpack.packb(self.config)) config_file.close() def save_configuration(self): RNS.log("Saving configuration") self.__save_config() def set_active_propagation_node(self, dest): if dest == None: RNS.log("No active propagation node configured") else: try: self.active_propagation_node = dest self.config["last_lxmf_propagation_node"] = dest self.message_router.set_outbound_propagation_node(dest) RNS.log("Active propagation node set to: "+RNS.prettyhexrep(dest)) self.__save_config() except Exception as e: RNS.log("Error while setting LXMF propagation node: "+str(e), RNS.LOG_ERROR) def log_announce(self, dest, app_data, dest_type): try: RNS.log("Received "+str(dest_type)+" announce for "+RNS.prettyhexrep(dest)+" with data: "+app_data.decode("utf-8")) self._db_save_announce(dest, app_data, dest_type) self.owner_app.flag_new_announces = True except Exception as e: RNS.log("Exception while decoding LXMF destination announce data:"+str(e)) def list_conversations(self): result = self._db_conversations() if result != None: return result else: return [] def list_announces(self): result = self._db_announces() if result != None: return result else: return [] def has_conversation(self, context_dest): existing_conv = self._db_conversation(context_dest) if existing_conv != None: return True else: return False def is_trusted(self, context_dest): try: existing_conv = self._db_conversation(context_dest) if existing_conv != None: if existing_conv["trust"] == 1: return True else: return False else: return False except Exception as e: RNS.log("Error while checking trust for "+RNS.prettyhexrep(context_dest)+": "+str(e), RNS.LOG_ERROR) return False def raw_display_name(self, context_dest): try: existing_conv = self._db_conversation(context_dest) if existing_conv != None: if existing_conv["name"] != None and existing_conv["name"] != "": return existing_conv["name"] else: return "" else: return "" except Exception as e: RNS.log("Error while getting peer name: "+str(e), RNS.LOG_ERROR) return "" def peer_display_name(self, context_dest): try: existing_conv = self._db_conversation(context_dest) if existing_conv != None: if existing_conv["name"] != None and existing_conv["name"] != "": if existing_conv["trust"] == 1: return existing_conv["name"] else: return existing_conv["name"]+" "+RNS.prettyhexrep(context_dest) else: app_data = RNS.Identity.recall_app_data(context_dest) if app_data != None: if existing_conv["trust"] == 1: return app_data.decode("utf-8") else: return app_data.decode("utf-8")+" "+RNS.prettyhexrep(context_dest) else: return RNS.prettyhexrep(context_dest) else: app_data = RNS.Identity.recall_app_data(context_dest) if app_data != None: return app_data.decode("utf-8")+" "+RNS.prettyhexrep(context_dest) else: return RNS.prettyhexrep(context_dest) except Exception as e: RNS.log("Could not decode a valid peer name from data: "+str(e), RNS.LOG_DEBUG) return RNS.prettyhexrep(context_dest) def clear_conversation(self, context_dest): self._db_clear_conversation(context_dest) def delete_conversation(self, context_dest): self._db_clear_conversation(context_dest) self._db_delete_conversation(context_dest) def delete_message(self, message_hash): self._db_delete_message(message_hash) def read_conversation(self, context_dest): self._db_conversation_set_unread(context_dest, False) def unread_conversation(self, context_dest): self._db_conversation_set_unread(context_dest, True) def trusted_conversation(self, context_dest): self._db_conversation_set_trusted(context_dest, True) def untrusted_conversation(self, context_dest): self._db_conversation_set_trusted(context_dest, False) def named_conversation(self, name, context_dest): self._db_conversation_set_name(context_dest, name) def list_messages(self, context_dest, after = None): result = self._db_messages(context_dest, after) if result != None: return result else: return [] def __event_conversations_changed(self): pass def __event_conversation_changed(self, context_dest): pass def __db_init(self): db = sqlite3.connect(self.db_path) dbc = db.cursor() dbc.execute("DROP TABLE IF EXISTS lxm") dbc.execute("CREATE TABLE lxm (lxm_hash BLOB PRIMARY KEY, dest BLOB, source BLOB, title BLOB, tx_ts INTEGER, rx_ts INTEGER, state INTEGER, method INTEGER, t_encrypted INTEGER, t_encryption INTEGER, data BLOB)") dbc.execute("DROP TABLE IF EXISTS conv") dbc.execute("CREATE TABLE conv (dest_context BLOB PRIMARY KEY, last_tx INTEGER, last_rx INTEGER, unread INTEGER, type INTEGER, trust INTEGER, name BLOB, data BLOB)") dbc.execute("DROP TABLE IF EXISTS announce") dbc.execute("CREATE TABLE announce (id PRIMARY KEY, received INTEGER, source BLOB, data BLOB, dest_type BLOB)") db.commit() db.close() def _db_conversation_set_unread(self, context_dest, unread): db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "UPDATE conv set unread = ? where dest_context = ?" data = (unread, context_dest) dbc.execute(query, data) result = dbc.fetchall() db.commit() db.close() def _db_conversation_set_trusted(self, context_dest, trusted): db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "UPDATE conv set trust = ? where dest_context = ?" data = (trusted, context_dest) dbc.execute(query, data) result = dbc.fetchall() db.commit() db.close() def _db_conversation_set_name(self, context_dest, name): db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "UPDATE conv set name=:name_data where dest_context=:ctx;" dbc.execute(query, {"ctx": context_dest, "name_data": name.encode("utf-8")}) result = dbc.fetchall() db.commit() db.close() def _db_conversations(self): db = sqlite3.connect(self.db_path) dbc = db.cursor() dbc.execute("select * from conv") result = dbc.fetchall() db.close() if len(result) < 1: return None else: convs = [] for entry in result: conv = { "dest": entry[0], "unread": entry[3], } convs.append(conv) return convs def _db_announces(self): db = sqlite3.connect(self.db_path) dbc = db.cursor() dbc.execute("select * from announce order by received desc") result = dbc.fetchall() db.close() if len(result) < 1: return None else: announces = [] for entry in result: try: announce = { "dest": entry[2], "data": entry[3].decode("utf-8"), "time": entry[1], "type": entry[4] } announces.append(announce) except Exception as e: RNS.log("Exception while fetching announce from DB: "+str(e), RNS.LOG_ERROR) return announces def _db_conversation(self, context_dest): db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "select * from conv where dest_context=:ctx" dbc.execute(query, {"ctx": context_dest}) result = dbc.fetchall() db.close() if len(result) < 1: return None else: c = result[0] conv = {} conv["dest"] = c[0] conv["last_tx"] = c[1] conv["last_rx"] = c[2] conv["unread"] = c[3] conv["type"] = c[4] conv["trust"] = c[5] conv["name"] = c[6].decode("utf-8") conv["data"] = msgpack.unpackb(c[7]) return conv def _db_clear_conversation(self, context_dest): RNS.log("Clearing conversation with "+RNS.prettyhexrep(context_dest)) db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "delete from lxm where (dest=:ctx_dst or source=:ctx_dst);" dbc.execute(query, {"ctx_dst": context_dest}) db.commit() db.close() def _db_delete_conversation(self, context_dest): RNS.log("Deleting conversation with "+RNS.prettyhexrep(context_dest)) db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "delete from conv where (dest_context=:ctx_dst);" dbc.execute(query, {"ctx_dst": context_dest}) db.commit() db.close() def _db_create_conversation(self, context_dest, name = None, trust = False): RNS.log("Creating conversation for "+RNS.prettyhexrep(context_dest)) db = sqlite3.connect(self.db_path) dbc = db.cursor() def_name = "".encode("utf-8") query = "INSERT INTO conv (dest_context, last_tx, last_rx, unread, type, trust, name, data) values (?, ?, ?, ?, ?, ?, ?, ?)" data = (context_dest, 0, 0, 0, SidebandCore.CONV_P2P, 0, def_name, msgpack.packb(None)) dbc.execute(query, data) db.commit() db.close() if trust: self._db_conversation_set_trusted(context_dest, True) if name != None and name != "": self._db_conversation_set_name(context_dest, name) self.__event_conversations_changed() def _db_delete_message(self, msg_hash): RNS.log("Deleting message "+RNS.prettyhexrep(msg_hash)) db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "delete from lxm where (lxm_hash=:mhash);" dbc.execute(query, {"mhash": msg_hash}) db.commit() db.close() def _db_clean_messages(self): RNS.log("Purging stale messages... "+str(self.db_path)) db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "delete from lxm where (state=:outbound_state or state=:sending_state);" dbc.execute(query, {"outbound_state": LXMF.LXMessage.OUTBOUND, "sending_state": LXMF.LXMessage.SENDING}) db.commit() db.close() def _db_message_set_state(self, lxm_hash, state): db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "UPDATE lxm set state = ? where lxm_hash = ?" data = (state, lxm_hash) dbc.execute(query, data) db.commit() result = dbc.fetchall() db.close() def _db_message_set_method(self, lxm_hash, method): db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "UPDATE lxm set method = ? where lxm_hash = ?" data = (method, lxm_hash) dbc.execute(query, data) db.commit() result = dbc.fetchall() db.close() def message(self, msg_hash): return self._db_message(msg_hash) def _db_message(self, msg_hash): db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "select * from lxm where lxm_hash=:mhash" dbc.execute(query, {"mhash": msg_hash}) result = dbc.fetchall() db.close() if len(result) < 1: return None else: entry = result[0] lxm = LXMF.LXMessage.unpack_from_bytes(entry[10]) message = { "hash": lxm.hash, "dest": lxm.destination_hash, "source": lxm.source_hash, "title": lxm.title, "content": lxm.content, "received": entry[5], "sent": lxm.timestamp, "state": entry[6], "method": entry[7], "lxm": lxm } return message def _db_messages(self, context_dest, after = None): db = sqlite3.connect(self.db_path) dbc = db.cursor() if after == None: query = "select * from lxm where dest=:context_dest or source=:context_dest" dbc.execute(query, {"context_dest": context_dest}) else: query = "select * from lxm where (dest=:context_dest or source=:context_dest) and rx_ts>:after_ts" dbc.execute(query, {"context_dest": context_dest, "after_ts": after}) result = dbc.fetchall() db.close() if len(result) < 1: return None else: messages = [] for entry in result: lxm = LXMF.LXMessage.unpack_from_bytes(entry[10]) message = { "hash": lxm.hash, "dest": lxm.destination_hash, "source": lxm.source_hash, "title": lxm.title, "content": lxm.content, "received": entry[5], "sent": lxm.timestamp, "state": entry[6], "method": entry[7], "lxm": lxm } messages.append(message) return messages def _db_save_lxm(self, lxm, context_dest): state = lxm.state db = sqlite3.connect(self.db_path) dbc = db.cursor() if not lxm.packed: lxm.pack() query = "INSERT INTO lxm (lxm_hash, dest, source, title, tx_ts, rx_ts, state, method, t_encrypted, t_encryption, data) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)" data = ( lxm.hash, lxm.destination_hash, lxm.source_hash, lxm.title, lxm.timestamp, time.time(), state, lxm.method, lxm.transport_encrypted, lxm.transport_encryption, lxm.packed ) dbc.execute(query, data) db.commit() db.close() self.__event_conversation_changed(context_dest) def _db_save_announce(self, destination_hash, app_data, dest_type="lxmf.delivery"): db = sqlite3.connect(self.db_path) dbc = db.cursor() query = "INSERT INTO announce (received, source, data, dest_type) values (?, ?, ?, ?)" data = ( time.time(), destination_hash, app_data, dest_type, ) dbc.execute(query, data) query = "delete from announce where id not in (select id from announce order by received desc limit "+str(self.MAX_ANNOUNCES)+")" dbc.execute(query) db.commit() db.close() def lxmf_announce(self): self.lxmf_destination.announce() def is_known(self, dest_hash): try: source_identity = RNS.Identity.recall(dest_hash) if source_identity: return True else: return False except Exception as e: return False def request_key(self, dest_hash): try: RNS.Transport.request_path(dest_hash) return True except Exception as e: RNS.log("Error while querying for key: "+str(e), RNS.LOG_ERROR) return False def __start_jobs_deferred(self): if self.config["start_announce"]: self.lxmf_destination.announce() def __start_jobs_immediate(self): self.reticulum = RNS.Reticulum(configdir=self.rns_configdir) RNS.log("Reticulum started, activating LXMF...") if RNS.vendor.platformutils.get_platform() == "android": if not self.reticulum.is_connected_to_shared_instance: RNS.log("Running as master or standalone instance, adding interfaces") self.interface_local = None self.interface_tcp = None self.interface_i2p = None if self.config["connect_local"]: try: RNS.log("Adding Auto Interface...") if self.config["connect_local_groupid"] == "": group_id = None else: group_id = self.config["connect_local_groupid"] if self.config["connect_local_ifac_netname"] == "": ifac_netname = None else: ifac_netname = self.config["connect_local_ifac_netname"] if self.config["connect_local_ifac_passphrase"] == "": ifac_netkey = None else: ifac_netkey = self.config["connect_local_ifac_passphrase"] autointerface = RNS.Interfaces.AutoInterface.AutoInterface( RNS.Transport, name = "AutoInterface", group_id = group_id ) autointerface.OUT = True self.reticulum._add_interface(autointerface,ifac_netname=ifac_netname,ifac_netkey=ifac_netkey) self.interface_local = autointerface except Exception as e: RNS.log("Error while adding AutoInterface. The contained exception was: "+str(e)) self.interface_local = None if self.config["connect_tcp"]: try: RNS.log("Adding TCP Interface...") if self.config["connect_tcp_host"] != "": tcp_host = self.config["connect_tcp_host"] tcp_port = int(self.config["connect_tcp_port"]) if tcp_port > 0 and tcp_port <= 65536: if self.config["connect_tcp_ifac_netname"] == "": ifac_netname = None else: ifac_netname = self.config["connect_tcp_ifac_netname"] if self.config["connect_tcp_ifac_passphrase"] == "": ifac_netkey = None else: ifac_netkey = self.config["connect_tcp_ifac_passphrase"] tcpinterface = RNS.Interfaces.TCPInterface.TCPClientInterface( RNS.Transport, "TCPClientInterface", tcp_host, tcp_port, kiss_framing = False, i2p_tunneled = False ) tcpinterface.OUT = True self.reticulum._add_interface(tcpinterface,ifac_netname=ifac_netname,ifac_netkey=ifac_netkey) self.interface_tcp = tcpinterface except Exception as e: RNS.log("Error while adding TCP Interface. The contained exception was: "+str(e)) self.interface_tcp = None if self.config["connect_i2p"]: try: if self.config["connect_i2p_b32"].endswith(".b32.i2p"): if self.config["connect_i2p_ifac_netname"] == "": ifac_netname = None else: ifac_netname = self.config["connect_i2p_ifac_netname"] if self.config["connect_i2p_ifac_passphrase"] == "": ifac_netkey = None else: ifac_netkey = self.config["connect_i2p_ifac_passphrase"] i2pinterface = RNS.Interfaces.I2PInterface.I2PInterface( RNS.Transport, "I2PInterface", RNS.Reticulum.storagepath, [self.config["connect_i2p_b32"]], connectable = False, ) i2pinterface.OUT = True self.reticulum._add_interface(i2pinterface,ifac_netname=ifac_netname,ifac_netkey=ifac_netkey) for si in RNS.Transport.interfaces: if type(si) == RNS.Interfaces.I2PInterface.I2PInterfacePeer: self.interface_i2p = si except Exception as e: RNS.log("Error while adding I2P Interface. The contained exception was: "+str(e)) self.interface_i2p = None self.message_router = LXMF.LXMRouter(identity = self.identity, storagepath = self.lxmf_storage, autopeer = True) self.message_router.register_delivery_callback(self.lxmf_delivery) self.lxmf_destination = self.message_router.register_delivery_identity(self.identity, display_name=self.config["display_name"]) self.lxmf_destination.set_default_app_data(self.get_display_name_bytes) self.rns_dir = RNS.Reticulum.configdir if self.config["lxmf_propagation_node"] != None and self.config["lxmf_propagation_node"] != "": self.set_active_propagation_node(self.config["lxmf_propagation_node"]) else: if self.config["last_lxmf_propagation_node"] != None and self.config["last_lxmf_propagation_node"] != "": self.set_active_propagation_node(self.config["last_lxmf_propagation_node"]) else: self.set_active_propagation_node(None) def message_notification(self, message): if message.state == LXMF.LXMessage.FAILED and hasattr(message, "try_propagation_on_fail") and message.try_propagation_on_fail: RNS.log("Direct delivery of "+str(message)+" failed. Retrying as propagated message.", RNS.LOG_VERBOSE) message.try_propagation_on_fail = None message.delivery_attempts = 0 del message.next_delivery_attempt message.packed = None message.desired_method = LXMF.LXMessage.PROPAGATED self._db_message_set_method(message.hash, LXMF.LXMessage.PROPAGATED) self.message_router.handle_outbound(message) else: self.lxm_ingest(message, originator=True) def send_message(self, content, destination_hash, propagation): try: if content == "": raise ValueError("Message content cannot be empty") dest_identity = RNS.Identity.recall(destination_hash) dest = RNS.Destination(dest_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, "lxmf", "delivery") source = self.lxmf_destination # TODO: Add setting if propagation: desired_method = LXMF.LXMessage.PROPAGATED else: desired_method = LXMF.LXMessage.DIRECT lxm = LXMF.LXMessage(dest, source, content, title="", desired_method=desired_method) lxm.register_delivery_callback(self.message_notification) lxm.register_failed_callback(self.message_notification) if self.message_router.get_outbound_propagation_node() != None: lxm.try_propagation_on_fail = True self.message_router.handle_outbound(lxm) self.lxm_ingest(lxm, originator=True) return True except Exception as e: RNS.log("Error while sending message: "+str(e), RNS.LOG_ERROR) return False def new_conversation(self, dest_str, name = "", trusted = False): if len(dest_str) != RNS.Reticulum.TRUNCATED_HASHLENGTH//8*2: return False try: addr_b = bytes.fromhex(dest_str) self._db_create_conversation(addr_b, name, trusted) except Exception as e: RNS.log("Error while creating conversation: "+str(e), RNS.LOG_ERROR) return False return True def create_conversation(self, context_dest, name = None, trusted = False): try: self._db_create_conversation(context_dest, name, trusted) except Exception as e: RNS.log("Error while creating conversation: "+str(e), RNS.LOG_ERROR) return False return True def lxm_ingest(self, message, originator = False): if originator: context_dest = message.destination_hash else: context_dest = message.source_hash if self._db_message(message.hash): RNS.log("Message exists, setting state to: "+str(message.state), RNS.LOG_DEBUG) self._db_message_set_state(message.hash, message.state) else: RNS.log("Message does not exist, saving", RNS.LOG_DEBUG) self._db_save_lxm(message, context_dest) if self._db_conversation(context_dest) == None: self._db_create_conversation(context_dest) self.owner_app.flag_new_conversations = True if self.owner_app.root.ids.screen_manager.current == "messages_screen": if self.owner_app.root.ids.messages_scrollview.active_conversation != context_dest: self.unread_conversation(context_dest) self.owner_app.flag_unread_conversations = True else: self.unread_conversation(context_dest) self.owner_app.flag_unread_conversations = True try: self.owner_app.conversation_update(context_dest) except Exception as e: RNS.log("Error in conversation update callback: "+str(e)) def start(self): self._db_clean_messages() self.__start_jobs_immediate() thread = threading.Thread(target=self.__start_jobs_deferred) thread.setDaemon(True) thread.start() RNS.log("Sideband Core "+str(self)+" started") def request_lxmf_sync(self, limit = None): if self.message_router.propagation_transfer_state == LXMF.LXMRouter.PR_IDLE or self.message_router.propagation_transfer_state == LXMF.LXMRouter.PR_COMPLETE: self.message_router.request_messages_from_propagation_node(self.identity, max_messages = limit) RNS.log("LXMF message sync requested from propagation node "+RNS.prettyhexrep(self.message_router.get_outbound_propagation_node())+" for "+str(self.identity)) return True else: return False def cancel_lxmf_sync(self): if self.message_router.propagation_transfer_state != LXMF.LXMRouter.PR_IDLE: self.message_router.cancel_propagation_node_requests() def get_sync_progress(self): return self.message_router.propagation_transfer_progress def lxmf_delivery(self, message): time_string = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(message.timestamp)) signature_string = "Signature is invalid, reason undetermined" if message.signature_validated: signature_string = "Validated" else: if message.unverified_reason == LXMF.LXMessage.SIGNATURE_INVALID: signature_string = "Invalid signature" if message.unverified_reason == LXMF.LXMessage.SOURCE_UNKNOWN: signature_string = "Cannot verify, source is unknown" RNS.log("LXMF delivery "+str(time_string)+". "+str(signature_string)+".") try: self.lxm_ingest(message) except Exception as e: RNS.log("Error while ingesting LXMF message "+RNS.prettyhexrep(message.hash)+" to database: "+str(e)) def get_display_name_bytes(self): return self.config["display_name"].encode("utf-8") def get_sync_status(self): if self.message_router.propagation_transfer_state == LXMF.LXMRouter.PR_IDLE: return "Idle" elif self.message_router.propagation_transfer_state == LXMF.LXMRouter.PR_PATH_REQUESTED: return "Path requested" elif self.message_router.propagation_transfer_state == LXMF.LXMRouter.PR_LINK_ESTABLISHING: return "Establishing link" elif self.message_router.propagation_transfer_state == LXMF.LXMRouter.PR_LINK_ESTABLISHED: return "Link established" elif self.message_router.propagation_transfer_state == LXMF.LXMRouter.PR_REQUEST_SENT: return "Sync request sent" elif self.message_router.propagation_transfer_state == LXMF.LXMRouter.PR_RECEIVING: return "Receiving messages" elif self.message_router.propagation_transfer_state == LXMF.LXMRouter.PR_RESPONSE_RECEIVED: return "Messages received" elif self.message_router.propagation_transfer_state == LXMF.LXMRouter.PR_COMPLETE: new_msgs = self.message_router.propagation_transfer_last_result if new_msgs == 0: return "Done, no new messages" else: return "Downloaded "+str(new_msgs)+" new messages" else: return "Unknown" rns_config = """ [reticulum] enable_transport = False share_instance = Yes shared_instance_port = 37428 instance_control_port = 37429 panic_on_interface_error = No [logging] loglevel = 3 """.encode("utf-8")