def filelist_received(filelist_data, packet):
global server_files, menu_mode
try:
# Unpack the list and extend our
# local list of available files
filelist = umsgpack.unpackb(filelist_data)
for file in filelist:
if not file in server_files:
server_files.append(file)
# If the menu is already visible,
# we'll update it with what was
# just received
if menu_mode == "main":
print_menu()
except:
RNS.log("Invalid file list data received, closing link")
packet.link.teardown()
def unpack_from_file(lxmf_file_handle):
try:
container = msgpack.unpackb(lxmf_file_handle.read())
lxm = LXMessage.unpack_from_bytes(container["lxmf_bytes"])
if "state" in container:
lxm.state = container["state"]
if "transport_encrypted" in container:
lxm.transport_encrypted = container["transport_encrypted"]
if "transport_encryption" in container:
lxm.transport_encryption = container["transport_encryption"]
return lxm
except Exception as e:
RNS.log(
"Could not unpack LXMessage from file. The contained exception was: "
+ str(e), RNS.LOG_ERROR)
return None
def load_from_disk(self):
if os.path.isfile(self.app.directorypath):
try:
file = open(self.app.directorypath, "rb")
unpacked_directory = msgpack.unpackb(file.read())
unpacked_list = unpacked_directory["entry_list"]
file.close()
entries = {}
for e in unpacked_list:
if len(e) > 3:
hosts_node = e[3]
else:
hosts_node = False
if len(e) > 4:
preferred_delivery = e[4]
else:
preferred_delivery = None
if len(e) > 5:
identify = e[5]
else:
identify = False
entries[e[0]] = DirectoryEntry(
e[0],
e[1],
e[2],
hosts_node,
preferred_delivery=preferred_delivery,
identify_on_connect=identify)
self.directory_entries = entries
self.announce_stream = unpacked_directory["announce_stream"]
except Exception as e:
RNS.log(
"Could not load directory from disk. The contained exception was: "
+ str(e), RNS.LOG_ERROR)
def unpack_from_bytes(lxmf_bytes):
destination_hash = lxmf_bytes[:LXMessage.DESTINATION_LENGTH]
source_hash = lxmf_bytes[LXMessage.DESTINATION_LENGTH:2 *
LXMessage.DESTINATION_LENGTH]
signature = lxmf_bytes[2 * LXMessage.DESTINATION_LENGTH:2 *
LXMessage.DESTINATION_LENGTH +
LXMessage.SIGNATURE_LENGTH]
packed_payload = lxmf_bytes[2 * LXMessage.DESTINATION_LENGTH +
LXMessage.SIGNATURE_LENGTH:]
hashed_part = b"" + destination_hash + source_hash + packed_payload
message_hash = RNS.Identity.full_hash(hashed_part)
signed_part = b"" + hashed_part + message_hash
unpacked_payload = msgpack.unpackb(packed_payload)
timestamp = unpacked_payload[0]
title_bytes = unpacked_payload[1]
content_bytes = unpacked_payload[2]
fields = unpacked_payload[3]
destination_identity = RNS.Identity.recall(destination_hash)
if destination_identity != None:
destination = RNS.Destination(destination_identity,
RNS.Destination.OUT,
RNS.Destination.SINGLE, APP_NAME,
"delivery")
else:
destination = None
source_identity = RNS.Identity.recall(source_hash)
if source_identity != None:
source = RNS.Destination(source_identity, RNS.Destination.OUT,
RNS.Destination.SINGLE, APP_NAME,
"delivery")
else:
source = None
message = LXMessage(destination=destination,
source=source,
content="",
title="",
fields=fields,
destination_hash=destination_hash,
source_hash=source_hash)
message.hash = message_hash
message.signature = signature
message.incoming = True
message.timestamp = timestamp
message.packed = lxmf_bytes
message.packed_size = len(lxmf_bytes)
message.set_title_from_bytes(title_bytes)
message.set_content_from_bytes(content_bytes)
try:
if source:
if source.identity.validate(signature, signed_part):
message.signature_validated = True
else:
message.signature_validated = False
message.unverified_reason = LXMessage.SIGNATURE_INVALID
else:
signature_validated = False
message.unverified_reason = LXMessage.SOURCE_UNKNOWN
RNS.log(
"Unpacked LXMF message signature could not be validated, since source identity is unknown",
RNS.LOG_DEBUG)
except Exception as e:
message.signature_validated = False
RNS.log(
"Error while validating LXMF message signature. The contained exception was: "
+ str(e), RNS.LOG_ERROR)
return message
def __init__(self,
configdir=None,
rnsconfigdir=None,
daemon=False,
force_console=False):
self.version = __version__
self.enable_client = False
self.enable_node = False
self.identity = None
self.uimode = None
if configdir == None:
self.configdir = NomadNetworkApp.configdir
else:
self.configdir = configdir
if force_console:
self.force_console_log = True
else:
self.force_console_log = False
if NomadNetworkApp._shared_instance == None:
NomadNetworkApp._shared_instance = self
self.rns = RNS.Reticulum(configdir=rnsconfigdir)
self.configpath = self.configdir + "/config"
self.ignoredpath = self.configdir + "/ignored"
self.logfilepath = self.configdir + "/logfile"
self.errorfilepath = self.configdir + "/errors"
self.storagepath = self.configdir + "/storage"
self.identitypath = self.configdir + "/storage/identity"
self.cachepath = self.configdir + "/storage/cache"
self.resourcepath = self.configdir + "/storage/resources"
self.conversationpath = self.configdir + "/storage/conversations"
self.directorypath = self.configdir + "/storage/directory"
self.peersettingspath = self.configdir + "/storage/peersettings"
self.pagespath = self.configdir + "/storage/pages"
self.filespath = self.configdir + "/storage/files"
self.cachepath = self.configdir + "/storage/cache"
self.downloads_path = os.path.expanduser("~/Downloads")
self.firstrun = False
self.should_run_jobs = True
self.job_interval = 5
self.defer_jobs = 90
self.peer_announce_at_start = True
self.try_propagation_on_fail = True
self.periodic_lxmf_sync = True
self.lxmf_sync_interval = 360 * 60
self.lxmf_sync_limit = 8
if not os.path.isdir(self.storagepath):
os.makedirs(self.storagepath)
if not os.path.isdir(self.cachepath):
os.makedirs(self.cachepath)
if not os.path.isdir(self.resourcepath):
os.makedirs(self.resourcepath)
if not os.path.isdir(self.conversationpath):
os.makedirs(self.conversationpath)
if not os.path.isdir(self.pagespath):
os.makedirs(self.pagespath)
if not os.path.isdir(self.filespath):
os.makedirs(self.filespath)
if not os.path.isdir(self.cachepath):
os.makedirs(self.cachepath)
if os.path.isfile(self.configpath):
try:
self.config = ConfigObj(self.configpath)
try:
self.applyConfig()
except Exception as e:
RNS.log(
"The configuration file is invalid. The contained exception was: "
+ str(e), RNS.LOG_ERROR)
nomadnet.panic()
RNS.log("Configuration loaded from " + self.configpath)
except Exception as e:
RNS.log(
"Could not parse the configuration at " + self.configpath,
RNS.LOG_ERROR)
RNS.log("Check your configuration file for errors!",
RNS.LOG_ERROR)
nomadnet.panic()
else:
RNS.log(
"Could not load config file, creating default configuration file..."
)
self.createDefaultConfig()
self.firstrun = True
if os.path.isfile(self.identitypath):
try:
self.identity = RNS.Identity.from_file(self.identitypath)
if self.identity != None:
RNS.log("Loaded Primary Identity %s from %s" %
(str(self.identity), self.identitypath))
else:
RNS.log(
"Could not load the Primary Identity from " +
self.identitypath, RNS.LOG_ERROR)
nomadnet.panic()
except Exception as e:
RNS.log(
"Could not load the Primary Identity from " +
self.identitypath, RNS.LOG_ERROR)
RNS.log("The contained exception was: %s" % (str(e)),
RNS.LOG_ERROR)
nomadnet.panic()
else:
try:
RNS.log("No Primary Identity file found, creating new...")
self.identity = RNS.Identity()
self.identity.to_file(self.identitypath)
RNS.log("Created new Primary Identity %s" %
(str(self.identity)))
except Exception as e:
RNS.log("Could not create and save a new Primary Identity",
RNS.LOG_ERROR)
RNS.log("The contained exception was: %s" % (str(e)),
RNS.LOG_ERROR)
nomadnet.panic()
if os.path.isfile(self.peersettingspath):
try:
file = open(self.peersettingspath, "rb")
self.peer_settings = msgpack.unpackb(file.read())
file.close()
if not "node_last_announce" in self.peer_settings:
self.peer_settings["node_last_announce"] = None
if not "propagation_node" in self.peer_settings:
self.peer_settings["propagation_node"] = None
if not "last_lxmf_sync" in self.peer_settings:
self.peer_settings["last_lxmf_sync"] = 0
if not "node_connects" in self.peer_settings:
self.peer_settings["node_connects"] = 0
if not "served_page_requests" in self.peer_settings:
self.peer_settings["served_page_requests"] = 0
if not "served_file_requests" in self.peer_settings:
self.peer_settings["served_file_requests"] = 0
except Exception as e:
RNS.log(
"Could not load local peer settings from " +
self.peersettingspath, RNS.LOG_ERROR)
RNS.log("The contained exception was: %s" % (str(e)),
RNS.LOG_ERROR)
nomadnet.panic()
else:
try:
RNS.log("No peer settings file found, creating new...")
self.peer_settings = {
"display_name": "Anonymous Peer",
"announce_interval": None,
"last_announce": None,
"node_last_announce": None,
"propagation_node": None,
"last_lxmf_sync": 0,
}
self.save_peer_settings()
RNS.log("Created new peer settings file")
except Exception as e:
RNS.log("Could not create and save a new peer settings file",
RNS.LOG_ERROR)
RNS.log("The contained exception was: %s" % (str(e)),
RNS.LOG_ERROR)
nomadnet.panic()
self.ignored_list = []
if os.path.isfile(self.ignoredpath):
try:
fh = open(self.ignoredpath, "rb")
ignored_input = fh.read()
fh.close()
ignored_hash_strs = ignored_input.splitlines()
for hash_str in ignored_hash_strs:
if len(hash_str
) == RNS.Identity.TRUNCATED_HASHLENGTH // 8 * 2:
try:
ignored_hash = bytes.fromhex(
hash_str.decode("utf-8"))
self.ignored_list.append(ignored_hash)
except Exception as e:
RNS.log(
"Could not decode RNS Identity hash from: " +
str(hash_str), RNS.LOG_DEBUG)
RNS.log("The contained exception was: " + str(e),
RNS.LOG_DEBUG)
except Exception as e:
RNS.log(
"Error while fetching loading list of ignored destinations: "
+ str(e), RNS.LOG_ERROR)
self.directory = nomadnet.Directory(self)
self.message_router = LXMF.LXMRouter(identity=self.identity,
storagepath=self.storagepath,
autopeer=True)
self.message_router.register_delivery_callback(self.lxmf_delivery)
for destination_hash in self.ignored_list:
self.message_router.ignore_destination(destination_hash)
self.lxmf_destination = self.message_router.register_delivery_identity(
self.identity, display_name=self.peer_settings["display_name"])
self.lxmf_destination.set_default_app_data(self.get_display_name_bytes)
RNS.Identity.remember(packet_hash=None,
destination_hash=self.lxmf_destination.hash,
public_key=self.identity.get_public_key(),
app_data=None)
RNS.log("LXMF Router ready to receive on: " +
RNS.prettyhexrep(self.lxmf_destination.hash))
if self.enable_node:
self.message_router.enable_propagation()
RNS.log("LXMF Propagation Node started on: " + RNS.prettyhexrep(
self.message_router.propagation_destination.hash))
self.node = nomadnet.Node(self)
else:
self.node = None
RNS.Transport.register_announce_handler(nomadnet.Conversation)
RNS.Transport.register_announce_handler(nomadnet.Directory)
self.autoselect_propagation_node()
if self.peer_announce_at_start:
def delayed_announce():
time.sleep(NomadNetworkApp.START_ANNOUNCE_DELAY)
self.announce_now()
da_thread = threading.Thread(target=delayed_announce)
da_thread.setDaemon(True)
da_thread.start()
atexit.register(self.exit_handler)
sys.excepthook = self.exception_handler
job_thread = threading.Thread(target=self.__jobs)
job_thread.setDaemon(True)
job_thread.start()
# Override UI choice from config on --daemon switch
if daemon:
self.uimode = nomadnet.ui.UI_NONE
# This stderr redirect is needed to stop urwid
# from spewing KeyErrors to the console and thus,
# messing up the UI. A pull request to fix the
# bug in urwid was submitted, but until it is
# merged, this hack will mitigate it.
strio = io.StringIO()
with contextlib.redirect_stderr(strio):
nomadnet.ui.spawn(self.uimode)
if strio.tell() > 0:
try:
strio.seek(0)
err_file = open(self.errorfilepath, "w")
err_file.write(strio.read())
err_file.close()
except Exception as e:
RNS.log(
"Could not write stderr output to error log file at " +
str(self.errorfilepath) + ".", RNS.LOG_ERROR)
RNS.log("The contained exception was: " + str(e),
RNS.LOG_ERROR)