mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 10:04:33 +02:00
667 lines
20 KiB
Python
667 lines
20 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
Created on Fri Dec 25 21:25:14 2020
|
|
|
|
@author: DJ2LS
|
|
"""
|
|
import time
|
|
from datetime import datetime,timezone
|
|
import crcengine
|
|
import static
|
|
from global_instances import ARQ, AudioParam, Beacon, Channel, Daemon, HamlibParam, ModemParam, Station, Statistics, TCIParam, Modem, MeshParam
|
|
import structlog
|
|
import numpy as np
|
|
import threading
|
|
import mesh
|
|
import hashlib
|
|
import hmac
|
|
import os
|
|
import sys
|
|
from pathlib import Path
|
|
|
|
|
|
|
|
log = structlog.get_logger("helpers")
|
|
|
|
|
|
def wait(seconds: float) -> bool:
|
|
"""
|
|
|
|
Args:
|
|
seconds:
|
|
|
|
Returns:
|
|
"""
|
|
timeout = time.time() + seconds
|
|
|
|
while time.time() < timeout:
|
|
threading.Event().wait(0.01)
|
|
return True
|
|
|
|
|
|
def get_crc_8(data) -> bytes:
|
|
"""Author: DJ2LS
|
|
|
|
Get the CRC8 of a byte string
|
|
|
|
param: data = bytes()
|
|
|
|
Args:
|
|
data:
|
|
|
|
Returns:
|
|
CRC-8 (CCITT) of the provided data as bytes
|
|
"""
|
|
crc_algorithm = crcengine.new("crc8-ccitt") # load crc8 library
|
|
crc_data = crc_algorithm(data)
|
|
crc_data = crc_data.to_bytes(1, byteorder="big")
|
|
return crc_data
|
|
|
|
|
|
def get_crc_16(data) -> bytes:
|
|
"""Author: DJ2LS
|
|
|
|
Get the CRC16 of a byte string
|
|
|
|
param: data = bytes()
|
|
|
|
Args:
|
|
data:
|
|
|
|
Returns:
|
|
CRC-16 (CCITT) of the provided data as bytes
|
|
"""
|
|
crc_algorithm = crcengine.new("crc16-ccitt-false") # load crc16 library
|
|
crc_data = crc_algorithm(data)
|
|
crc_data = crc_data.to_bytes(2, byteorder="big")
|
|
return crc_data
|
|
|
|
|
|
def get_crc_24(data) -> bytes:
|
|
"""Author: DJ2LS
|
|
|
|
Get the CRC24-OPENPGP of a byte string
|
|
https://github.com/GardenTools/CrcEngine#examples
|
|
|
|
param: data = bytes()
|
|
|
|
Args:
|
|
data:
|
|
|
|
Returns:
|
|
CRC-24 (OpenPGP) of the provided data as bytes
|
|
"""
|
|
crc_algorithm = crcengine.create(
|
|
0x864CFB,
|
|
24,
|
|
0xB704CE,
|
|
ref_in=False,
|
|
ref_out=False,
|
|
xor_out=0,
|
|
name="crc-24-openpgp",
|
|
)
|
|
crc_data = crc_algorithm(data)
|
|
crc_data = crc_data.to_bytes(3, byteorder="big")
|
|
return crc_data
|
|
|
|
|
|
def get_crc_32(data: bytes) -> bytes:
|
|
"""Author: DJ2LS
|
|
|
|
Get the CRC32 of a byte string
|
|
|
|
param: data = bytes()
|
|
|
|
Args:
|
|
data:
|
|
|
|
Returns:
|
|
CRC-32 of the provided data as bytes
|
|
"""
|
|
crc_algorithm = crcengine.new("crc32") # load crc32 library
|
|
crc_data = crc_algorithm(data)
|
|
crc_data = crc_data.to_bytes(4, byteorder="big")
|
|
return crc_data
|
|
|
|
|
|
def add_to_heard_stations(dxcallsign, dxgrid, datatype, snr, offset, frequency):
|
|
"""
|
|
|
|
Args:
|
|
dxcallsign:
|
|
dxgrid:
|
|
datatype:
|
|
snr:
|
|
offset:
|
|
frequency:
|
|
|
|
Returns:
|
|
Nothing
|
|
"""
|
|
# check if buffer empty
|
|
if len(Modem.heard_stations) == 0:
|
|
Modem.heard_stations.append(
|
|
[dxcallsign, dxgrid, int(datetime.now(timezone.utc).timestamp()), datatype, snr, offset, frequency]
|
|
)
|
|
# if not, we search and update
|
|
else:
|
|
for i in range(len(Modem.heard_stations)):
|
|
# Update callsign with new timestamp
|
|
if Modem.heard_stations[i].count(dxcallsign) > 0:
|
|
Modem.heard_stations[i] = [
|
|
dxcallsign,
|
|
dxgrid,
|
|
int(time.time()),
|
|
datatype,
|
|
snr,
|
|
offset,
|
|
frequency,
|
|
]
|
|
break
|
|
# Insert if nothing found
|
|
if i == len(Modem.heard_stations) - 1:
|
|
Modem.heard_stations.append(
|
|
[
|
|
dxcallsign,
|
|
dxgrid,
|
|
int(time.time()),
|
|
datatype,
|
|
snr,
|
|
offset,
|
|
frequency,
|
|
]
|
|
)
|
|
break
|
|
|
|
|
|
# for idx, item in enumerate(Modem.heard_stations):
|
|
# if dxcallsign in item:
|
|
# item = [dxcallsign, int(time.time())]
|
|
# Modem.heard_stations[idx] = item
|
|
|
|
|
|
def callsign_to_bytes(callsign) -> bytes:
|
|
"""
|
|
|
|
Args:
|
|
callsign:
|
|
|
|
Returns:
|
|
|
|
"""
|
|
# http://www.aprs.org/aprs11/SSIDs.txt
|
|
# -0 Your primary station usually fixed and message capable
|
|
# -1 generic additional station, digi, mobile, wx, etc
|
|
# -2 generic additional station, digi, mobile, wx, etc
|
|
# -3 generic additional station, digi, mobile, wx, etc
|
|
# -4 generic additional station, digi, mobile, wx, etc
|
|
# -5 Other networks (Dstar, Iphones, Androids, Blackberry's etc)
|
|
# -6 Special activity, Satellite ops, camping or 6 meters, etc
|
|
# -7 walkie talkies, HT's or other human portable
|
|
# -8 boats, sailboats, RV's or second main mobile
|
|
# -9 Primary Mobile (usually message capable)
|
|
# -10 internet, Igates, echolink, winlink, AVRS, APRN, etc
|
|
# -11 balloons, aircraft, spacecraft, etc
|
|
# -12 APRStt, DTMF, RFID, devices, one-way trackers*, etc
|
|
# -13 Weather stations
|
|
# -14 Truckers or generally full time drivers
|
|
# -15 generic additional station, digi, mobile, wx, etc
|
|
|
|
# Try converting to bytestring if possible type string
|
|
try:
|
|
callsign = bytes(callsign, "utf-8")
|
|
except TypeError:
|
|
# This is expected depending on the type of the `callsign` argument.
|
|
# log.debug("[HLP] callsign_to_bytes: Error converting callsign to bytes:", e=err)
|
|
pass
|
|
except Exception as err:
|
|
log.debug("[HLP] callsign_to_bytes: Error callsign SSID to integer:", e=err)
|
|
|
|
# Need this step to reduce the needed payload by the callsign
|
|
# (stripping "-" out of the callsign)
|
|
callsign = callsign.split(b"-")
|
|
ssid = 0
|
|
try:
|
|
ssid = int(callsign[1])
|
|
except IndexError:
|
|
# This is expected when callsign doesn't have a dash.
|
|
# log.debug("[HLP] callsign_to_bytes: Error callsign SSID to integer:", e=err)
|
|
pass
|
|
except Exception as err:
|
|
log.debug("[HLP] callsign_to_bytes: Error callsign SSID to integer:", e=err)
|
|
|
|
# callsign = callsign[0]
|
|
# bytestring = bytearray(8)
|
|
# bytestring[:len(callsign)] = callsign
|
|
# bytestring[7:8] = bytes([ssid])
|
|
|
|
# ---- callsign with encoding always 6 bytes long
|
|
callsign = callsign[0].decode("utf-8")
|
|
ssid = bytes([ssid]).decode("utf-8")
|
|
return encode_call(callsign + ssid)
|
|
# return bytes(bytestring)
|
|
|
|
|
|
def bytes_to_callsign(bytestring: bytes) -> bytes:
|
|
"""
|
|
Convert our callsign, received by a frame to a callsign in a human readable format
|
|
|
|
Args:
|
|
bytestring:
|
|
|
|
Returns:
|
|
bytes
|
|
"""
|
|
# http://www.aprs.org/aprs11/SSIDs.txt
|
|
# -0 Your primary station usually fixed and message capable
|
|
# -1 generic additional station, digi, mobile, wx, etc
|
|
# -2 generic additional station, digi, mobile, wx, etc
|
|
# -3 generic additional station, digi, mobile, wx, etc
|
|
# -4 generic additional station, digi, mobile, wx, etc
|
|
# -5 Other networks (Dstar, Iphones, Androids, Blackberry's etc)
|
|
# -6 Special activity, Satellite ops, camping or 6 meters, etc
|
|
# -7 walkie talkies, HT's or other human portable
|
|
# -8 boats, sailboats, RV's or second main mobile
|
|
# -9 Primary Mobile (usually message capable)
|
|
# -10 internet, Igates, echolink, winlink, AVRS, APRN, etc
|
|
# -11 balloons, aircraft, spacecraft, etc
|
|
# -12 APRStt, DTMF, RFID, devices, one-way trackers*, etc
|
|
# -13 Weather stations
|
|
# -14 Truckers or generally full time drivers
|
|
# -15 generic additional station, digi, mobile, wx, etc
|
|
|
|
# we need to do this step to reduce the needed paypload by the callsign ( stripping "-" out of the callsign )
|
|
"""
|
|
callsign = bytes(bytestring[:7])
|
|
callsign = callsign.rstrip(b"\x00")
|
|
ssid = int.from_bytes(bytes(bytestring[7:8]), "big")
|
|
|
|
callsign = callsign + b"-"
|
|
callsign = callsign.decode("utf-8")
|
|
callsign = callsign + str(ssid)
|
|
callsign = callsign.encode("utf-8")
|
|
|
|
return bytes(callsign)
|
|
"""
|
|
decoded = decode_call(bytestring)
|
|
callsign = decoded[:-1]
|
|
ssid = ord(bytes(decoded[-1], "utf-8"))
|
|
return bytes(f"{callsign}-{ssid}", "utf-8")
|
|
|
|
|
|
def check_callsign(callsign: bytes, crc_to_check: bytes):
|
|
"""
|
|
Function to check a crc against a callsign to calculate the
|
|
ssid by generating crc until we find the correct SSID
|
|
|
|
Args:
|
|
callsign: Callsign which we want to check
|
|
crc_to_check: The CRC which we want the callsign to check against
|
|
|
|
Returns:
|
|
[True, Callsign + SSID]
|
|
False
|
|
"""
|
|
|
|
log.debug("[HLP] check_callsign: Checking:", callsign=callsign)
|
|
try:
|
|
# We want the callsign without SSID
|
|
callsign = callsign.split(b"-")[0]
|
|
|
|
except IndexError:
|
|
# This is expected when `callsign` doesn't have a dash.
|
|
pass
|
|
except Exception as err:
|
|
log.debug("[HLP] check_callsign: Error callsign SSID to integer:", e=err)
|
|
|
|
for ssid in Station.ssid_list:
|
|
call_with_ssid = bytearray(callsign)
|
|
call_with_ssid.extend("-".encode("utf-8"))
|
|
call_with_ssid.extend(str(ssid).encode("utf-8"))
|
|
|
|
callsign_crc = get_crc_24(call_with_ssid)
|
|
|
|
if callsign_crc == crc_to_check:
|
|
log.debug("[HLP] check_callsign matched:", call_with_ssid=call_with_ssid)
|
|
return [True, bytes(call_with_ssid)]
|
|
|
|
return [False, b'']
|
|
|
|
|
|
def check_session_id(id: bytes, id_to_check: bytes):
|
|
"""
|
|
Funktion to check if we received the correct session id
|
|
|
|
Args:
|
|
id: our own session id
|
|
id_to_check: The session id byte we want to check
|
|
|
|
Returns:
|
|
True
|
|
False
|
|
"""
|
|
if id_to_check == b'\x00':
|
|
return False
|
|
log.debug("[HLP] check_sessionid: Checking:", ownid=id, check=id_to_check)
|
|
return id == id_to_check
|
|
|
|
|
|
def encode_grid(grid):
|
|
"""
|
|
@author: DB1UJ
|
|
Args:
|
|
grid:string: maidenhead QTH locater [a-r][a-r][0-9][0-9][a-x][a-x]
|
|
Returns:
|
|
4 bytes contains 26 bit valid data with encoded grid locator
|
|
"""
|
|
out_code_word = 0
|
|
|
|
grid = grid.upper() # upper case to be save
|
|
|
|
int_first = ord(grid[0]) - 65 # -65 offset for "A" become zero, utf8 table
|
|
int_sec = ord(grid[1]) - 65 # -65 offset for "A" become zero, utf8 table
|
|
|
|
int_val = (int_first * 18) + int_sec # encode for modulo devision, 2 numbers in 1
|
|
|
|
out_code_word = int_val & 0b111111111 # only 9 bit LSB A - R * A - R is needed
|
|
out_code_word <<= 9 # shift 9 bit left having space next bits, letter A-R * A-R
|
|
|
|
int_val = int(grid[2:4]) # number string to number int, highest value 99
|
|
out_code_word |= int_val & 0b1111111 # using bit OR to add new value
|
|
out_code_word <<= 7 # shift 7 bit left having space next bits, letter A-X
|
|
|
|
int_val = ord(grid[4]) - 65 # -65 offset for 'A' become zero, utf8 table
|
|
out_code_word |= int_val & 0b11111 # using bit OR to add new value
|
|
out_code_word <<= 5 # shift 5 bit left having space next bits, letter A-X
|
|
|
|
int_val = ord(grid[5]) - 65 # -65 offset for 'A' become zero, utf8 table
|
|
out_code_word |= int_val & 0b11111 # using bit OR to add new value
|
|
|
|
return out_code_word.to_bytes(length=4, byteorder="big")
|
|
|
|
|
|
def decode_grid(b_code_word: bytes):
|
|
"""
|
|
@author: DB1UJ
|
|
Args:
|
|
b_code_word:bytes: 4 bytes with 26 bit valid data LSB
|
|
Returns:
|
|
grid:str: upper case maidenhead QTH locater [A-R][A-R][0-9][0-9][A-X][A-X]
|
|
"""
|
|
code_word = int.from_bytes(b_code_word, byteorder="big", signed=False)
|
|
|
|
grid = chr((code_word & 0b11111) + 65)
|
|
code_word >>= 5
|
|
|
|
grid = chr((code_word & 0b11111) + 65) + grid
|
|
code_word >>= 7
|
|
|
|
grid = str(int(code_word & 0b1111111)) + grid
|
|
if (code_word & 0b1111111) < 10:
|
|
grid = f"0{grid}"
|
|
code_word >>= 9
|
|
|
|
int_val = int(code_word & 0b111111111)
|
|
int_first, int_sec = divmod(int_val, 18)
|
|
return chr(int(int_first) + 65) + chr(int(int_sec) + 65) + grid
|
|
|
|
|
|
def encode_call(call):
|
|
"""
|
|
@author: DB1UJ
|
|
Args:
|
|
call:string: ham radio call sign [A-Z,0-9], last char SSID 0-63
|
|
|
|
Returns:
|
|
6 bytes contains 6 bits/sign encoded 8 char call sign with binary SSID
|
|
(only upper letters + numbers, SSID)
|
|
"""
|
|
out_code_word = 0
|
|
|
|
call = call.upper() # upper case to be save
|
|
|
|
for char in call:
|
|
int_val = ord(char) - 48 # -48 reduce bits, begin with first number utf8 table
|
|
out_code_word <<= 6 # shift left 6 bit, making space for a new char
|
|
out_code_word |= (
|
|
int_val & 0b111111
|
|
) # bit OR adds the new char, masked with AND 0b111111
|
|
out_code_word >>= 6 # clean last char
|
|
out_code_word <<= 6 # make clean space
|
|
out_code_word |= ord(call[-1]) & 0b111111 # add the SSID uncoded only 0 - 63
|
|
|
|
return out_code_word.to_bytes(length=6, byteorder="big")
|
|
|
|
|
|
def decode_call(b_code_word: bytes):
|
|
"""
|
|
@author: DB1UJ
|
|
Args:
|
|
b_code_word:bytes: 6 bytes with 6 bits/sign valid data char signs LSB
|
|
|
|
Returns:
|
|
call:str: upper case ham radio call sign [A-Z,0-9] + binary SSID
|
|
"""
|
|
code_word = int.from_bytes(b_code_word, byteorder="big", signed=False)
|
|
ssid = chr(code_word & 0b111111) # save the uncoded binary SSID
|
|
|
|
call = str()
|
|
while code_word != 0:
|
|
call = chr((code_word & 0b111111) + 48) + call
|
|
code_word >>= 6
|
|
|
|
call = call[:-1] + ssid # remove the last char from call and replace with SSID
|
|
|
|
return call
|
|
|
|
|
|
def snr_to_bytes(snr):
|
|
"""create a byte from snr value """
|
|
# make sure we have onl 1 byte snr
|
|
# min max = -12.7 / 12.7
|
|
# enough for detecting if a channel is good or bad
|
|
snr = snr * 10
|
|
snr = np.clip(snr, -127, 127)
|
|
snr = int(snr).to_bytes(1, byteorder='big', signed=True)
|
|
return snr
|
|
|
|
|
|
def snr_from_bytes(snr):
|
|
"""create int from snr byte"""
|
|
snr = int.from_bytes(snr, byteorder='big', signed=True)
|
|
snr = snr / 10
|
|
return snr
|
|
|
|
|
|
def safe_execute(default, exception, function, *args):
|
|
"""
|
|
https://stackoverflow.com/a/36671208
|
|
from json import loads
|
|
safe_execute("Oh no, explosions occurred!", TypeError, loads, None)
|
|
|
|
"""
|
|
try:
|
|
return function(*args)
|
|
except exception:
|
|
return default
|
|
|
|
|
|
def return_key_from_object(default, obj, key):
|
|
|
|
try:
|
|
return obj[key]
|
|
except KeyError:
|
|
return default
|
|
|
|
|
|
def bool_to_string(state):
|
|
return "True" if state else "False"
|
|
|
|
|
|
|
|
|
|
def get_hmac_salt(dxcallsign: bytes, mycallsign: bytes):
|
|
filename = f"freedata_hmac_STATION_{mycallsign.decode('utf-8')}_REMOTE_{dxcallsign.decode('utf-8')}.txt"
|
|
if sys.platform in ["linux"]:
|
|
|
|
if hasattr(sys, "_MEIPASS"):
|
|
filepath = getattr(sys, "_MEIPASS") + '/hmac/' + filename
|
|
else:
|
|
subfolder = Path('hmac')
|
|
filepath = subfolder / filename
|
|
|
|
|
|
elif sys.platform in ["darwin"]:
|
|
if hasattr(sys, "_MEIPASS"):
|
|
filepath = getattr(sys, "_MEIPASS") + '/hmac/' + filename
|
|
else:
|
|
subfolder = Path('hmac')
|
|
filepath = subfolder / filename
|
|
|
|
elif sys.platform in ["win32", "win64"]:
|
|
if hasattr(sys, "_MEIPASS"):
|
|
filepath = getattr(sys, "_MEIPASS") + '/hmac/' + filename
|
|
else:
|
|
subfolder = Path('hmac')
|
|
filepath = subfolder / filename
|
|
else:
|
|
try:
|
|
subfolder = Path('hmac')
|
|
filepath = subfolder / filename
|
|
except Exception as e:
|
|
log.error(
|
|
"[Modem] [HMAC] File lookup error", file=filepath,
|
|
)
|
|
|
|
# check if file exists else return false
|
|
if not check_if_file_exists(filepath):
|
|
return False
|
|
|
|
log.info("[SCK] [HMAC] File lookup", file=filepath)
|
|
|
|
try:
|
|
with open(filepath, "r") as file:
|
|
line = file.readlines()
|
|
hmac_salt = bytes(line[-1], "utf-8").split(b'\n')
|
|
hmac_salt = hmac_salt[0]
|
|
return hmac_salt if delete_last_line_from_hmac_list(filepath, -1) else False
|
|
except Exception as e:
|
|
log.warning("[SCK] [HMAC] File lookup failed", file=filepath, e=e)
|
|
return False
|
|
|
|
def search_hmac_salt(dxcallsign: bytes, mycallsign: bytes, search_token, data_frame, token_iters):
|
|
|
|
filename = f"freedata_hmac_STATION_{mycallsign.decode('utf-8')}_REMOTE_{dxcallsign.decode('utf-8')}.txt"
|
|
if sys.platform in ["linux"]:
|
|
|
|
if hasattr(sys, "_MEIPASS"):
|
|
filepath = getattr(sys, "_MEIPASS") + '/hmac/' + filename
|
|
else:
|
|
subfolder = Path('hmac')
|
|
filepath = subfolder / filename
|
|
|
|
|
|
elif sys.platform in ["darwin"]:
|
|
if hasattr(sys, "_MEIPASS"):
|
|
filepath = getattr(sys, "_MEIPASS") + '/hmac/' + filename
|
|
else:
|
|
subfolder = Path('hmac')
|
|
filepath = subfolder / filename
|
|
|
|
elif sys.platform in ["win32", "win64"]:
|
|
if hasattr(sys, "_MEIPASS"):
|
|
filepath = getattr(sys, "_MEIPASS") + '/hmac/' + filename
|
|
else:
|
|
subfolder = Path('hmac')
|
|
filepath = subfolder / filename
|
|
else:
|
|
try:
|
|
subfolder = Path('hmac')
|
|
filepath = subfolder / filename
|
|
except Exception as e:
|
|
log.error(
|
|
"[Modem] [HMAC] File lookup error", file=filepath,
|
|
)
|
|
|
|
# check if file exists else return false
|
|
if not check_if_file_exists(filepath):
|
|
log.warning(
|
|
"[Modem] [HMAC] Token file not found", file=filepath,
|
|
)
|
|
return False
|
|
|
|
try:
|
|
with open(filepath, "r") as file:
|
|
token_list = file.readlines()
|
|
|
|
token_iters = min(token_iters, len(token_list))
|
|
for _ in range(1, token_iters + 1):
|
|
key = token_list[len(token_list) - _][:-1]
|
|
key = bytes(key, "utf-8")
|
|
search_digest = hmac.new(key, data_frame, hashlib.sha256).digest()[:4]
|
|
# TODO: Remove this debugging information if not needed anymore
|
|
# print("-----------------------------------------")
|
|
# print(_)
|
|
# print(f" key-------------{key}")
|
|
# print(f" key-------------{token_list[len(token_list) - _][:-1]}")
|
|
# print(f" key-------------{key.hex()}")
|
|
# print(f" search token----{search_token.hex()}")
|
|
# print(f" search digest---{search_digest.hex()}")
|
|
if search_token.hex() == search_digest.hex():
|
|
token_position = len(token_list) - _
|
|
delete_last_line_from_hmac_list(filepath, token_position)
|
|
log.info(
|
|
"[Modem] [HMAC] Signature found", expected=search_token.hex(),
|
|
)
|
|
return True
|
|
|
|
|
|
log.warning(
|
|
"[Modem] [HMAC] Signature not found", expected=search_token.hex(), filepath=filepath,
|
|
)
|
|
return False
|
|
|
|
except Exception as e:
|
|
log.warning(
|
|
"[Modem] [HMAC] Lookup failed", e=e, expected=search_token,
|
|
)
|
|
return False
|
|
|
|
|
|
def delete_last_line_from_hmac_list(filepath, position):
|
|
# check if file exists else return false
|
|
if not check_if_file_exists(filepath):
|
|
return False
|
|
|
|
try:
|
|
linearray = []
|
|
with open(filepath, "r") as file:
|
|
linearray = file.readlines()[:position]
|
|
#print(linearray)
|
|
|
|
with open(filepath, "w") as file:
|
|
#print(linearray)
|
|
for line in linearray:
|
|
file.write(line)
|
|
|
|
return True
|
|
|
|
except Exception:
|
|
return False
|
|
|
|
def check_if_file_exists(path):
|
|
try:
|
|
# check if file size is present and filesize > 0
|
|
if os.path.isfile(path):
|
|
filesize = os.path.getsize(path)
|
|
if filesize > 0:
|
|
return True
|
|
else:
|
|
return False
|
|
else:
|
|
return False
|
|
except Exception as e:
|
|
log.warning(
|
|
"[Modem] [FILE] Lookup failed", e=e, path=path,
|
|
)
|
|
return False |