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 = 48
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+"/app/assets"
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/"
self.first_run = True
try:
if not os.path.isfile(self.config_path):
self.__init_config()
else:
self.__load_config()
self.first_run = False
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)
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 should_persist_data(self):
if self.reticulum != None:
self.reticulum._should_persist_data()
self.save_configuration()
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):
# TODO: Reset loglevel
self.reticulum = RNS.Reticulum(configdir=self.rns_configdir, loglevel=7)
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
RNS.log("Reticulum started, activating LXMF...")
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):
should_notify = False
is_trusted = False
if originator:
context_dest = message.destination_hash
else:
context_dest = message.source_hash
is_trusted = self.is_trusted(context_dest)
if is_trusted:
should_notify = True
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:
if self.owner_app.is_in_foreground():
should_notify = False
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))
if should_notify:
nlen = 128
text = message.content.decode("utf-8")
notification_content = text[:nlen]
if len(text) > nlen:
text += "..."
self.owner_app.notify(title="Message from "+self.peer_display_name(context_dest), content=notification_content)
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")