コード例 #1
0
def main():
    parser = argparse.ArgumentParser(
        description="Contact tracing beacon receiver")
    parser.add_argument("-d",
                        "--debug",
                        help="Run in debug mode logging to stderr",
                        action="store_true")
    parser.add_argument(
        "-D",
        "--database",
        help="Specify the database location",
        default="/var/lib/epidose/client-database.db",
    )
    parser.add_argument(
        "-i",
        "--iface",
        help="Listen on the specified interface number, not [hci]0",
        type=int,
        default=0,
    )
    parser.add_argument("-t",
                        "--test",
                        help="Test script",
                        action="store_true")
    parser.add_argument("-v",
                        "--verbose",
                        help="Set verbose logging",
                        action="store_true")
    args = parser.parse_args()

    if args.test:
        args.debug = True
        args.database = ":memory:"

    # Setup logging
    daemon = Daemon("beacon_rx", args)
    global logger
    logger = daemon.get_logger()

    # Receive and process beacon packets
    global receiver
    receiver = ContactTracer(None, args.database, transmitter=False)
    if args.test:
        sys.exit(0)
    socket = bluez.hci_open_dev(args.iface)
    set_receive(socket)
    setup_leds()
    while True:
        process_packet(socket)
コード例 #2
0
def test_run_command():
    args = types.SimpleNamespace()
    args.debug = True
    args.verbose = True

    daemon = Daemon("test_run_command", args)
    global logger
    logger = daemon.get_logger()

    result = daemon.run_command(["true"])
    assert result.returncode == 0

    try:
        result = daemon.run_command(["false"])
    except Exception as e:
        logger.debug(f"{e}")
コード例 #3
0
ファイル: create_filter.py プロジェクト: stefanos1316/epidose
def main():
    parser = argparse.ArgumentParser(
        description="Create Cuckoo filter with reported infections"
    )
    parser.add_argument(
        "-d", "--debug", help="Run in debug mode logging to stderr", action="store_true"
    )
    parser.add_argument(
        "-D",
        "--database",
        help="Specify the database location",
        default="/var/lib/epidose/server-database.db",
    )
    parser.add_argument("-s", "--seeds-file", help="File containing epochs and seeds")
    parser.add_argument(
        "-v", "--verbose", help="Set verbose logging", action="store_true"
    )
    parser.add_argument("filter", help="File where filter will be stored")
    args = parser.parse_args()

    # Setup logging
    daemon = Daemon("create_filter", args)
    global logger
    logger = daemon.get_logger()

    # Obtain seeds
    if args.seeds_file:
        tracing_seeds = read_seeds(args.seeds_file)
    else:
        db = ServerDatabase(args.database)
        tracing_seeds = [db.get_epoch_seeds_tuple()]

    # Create and save filter
    cuckoo_filter = TracingDataBatch(tracing_seeds)
    handle, name = mkstemp(dir=os.path.dirname(args.filter))

    # Write filter to a temparary file
    with os.fdopen(handle, "wb") as f:
        f.write(cuckoo_filter.capacity.to_bytes(8, byteorder="big", signed=False))
        cuckoo_filter.tofile(f)

    # Atomically replace any existing filter file with the new one
    logger.debug(f"Rename {name} to {args.filter}")
    os.rename(name, args.filter)
コード例 #4
0
ファイル: device_io.py プロジェクト: konasimakopoulos/epidose
def main():
    parser = argparse.ArgumentParser(description="Contact tracing device I/O")
    parser.add_argument("-b",
                        "--battery",
                        help="Display battery voltage",
                        action="store_true")
    parser.add_argument("-c",
                        "--clock-get",
                        help="Display real time clock",
                        action="store_true")
    parser.add_argument(
        "-C",
        "--clock-set",
        help="Set real time clock to the current time",
        action="store_true",
    )
    parser.add_argument("-d",
                        "--debug",
                        help="Run in debug mode logging to stderr",
                        action="store_true")
    parser.add_argument("-G",
                        "--green-on",
                        help="Turn red LED on",
                        action="store_true")
    parser.add_argument("-g",
                        "--green-off",
                        help="Turn red LED off",
                        action="store_true")
    parser.add_argument("-O",
                        "--orange-on",
                        help="Turn orange LED on",
                        action="store_true")
    parser.add_argument("-o",
                        "--orange-off",
                        help="Turn orange LED off",
                        action="store_true")
    parser.add_argument("-p",
                        "--power-off",
                        help="Schedule power to turn off",
                        action="store_true")
    parser.add_argument("-R",
                        "--red-on",
                        help="Turn red LED on",
                        action="store_true")
    parser.add_argument("-r",
                        "--red-off",
                        help="Turn red LED off",
                        action="store_true")
    parser.add_argument("-s",
                        "--share-wait",
                        help="Wait for share key press",
                        action="store_true")
    parser.add_argument("-t",
                        "--test",
                        help="Toggle LED with button",
                        action="store_true")
    parser.add_argument("-v",
                        "--verbose",
                        help="Set verbose logging",
                        action="store_true")
    parser.add_argument("-w",
                        "--wifi-wait",
                        help="Wait for WiFi key press",
                        action="store_true")
    args = parser.parse_args()

    # Setup logging
    daemon = Daemon("device_io", args)
    global logger
    logger = daemon.get_logger()

    if args.battery:
        print(get_battery_voltage())
    if args.test:
        print(get_real_time_clock())
        setup_leds()
        setup_switch(SHARE_SWITCH_PORT)
        setup_switch(WIFI_SWITCH_PORT)
        led_state = True
        while True:
            try:
                print("Press the share button to toggle the LED.")
                led_state = toggle(led_state, SHARE_SWITCH_PORT)
                print("Press the WiFi button to toggle the LED.")
                led_state = toggle(led_state, WIFI_SWITCH_PORT)
            except KeyboardInterrupt:
                sys.exit(0)

    if args.clock_get:
        print(get_real_time_clock())
    if args.clock_set:
        set_real_time_clock()
        print(get_real_time_clock())

    if args.green_off:
        logger.debug("Turn green LED off")
        setup_leds()
        green_led_set(False)
    if args.green_on:
        logger.debug("Turn green LED on")
        setup_leds()
        green_led_set(True)
    if args.orange_off:
        logger.debug("Turn orange LED off")
        setup_leds()
        orange_led_set(False)
    if args.orange_on:
        logger.debug("Turn orange LED on")
        setup_leds()
        orange_led_set(True)
    if args.power_off:
        logger.debug("Schedule power off")
        schedule_power_off()
    if args.red_off:
        logger.debug("Turn red LED off")
        setup_leds()
        red_led_set(False)
    if args.red_on:
        logger.debug("Turn red LED on")
        setup_leds()
        red_led_set(True)
    if args.share_wait:
        logger.debug(
            "Waiting for share button press; press ^C and button to abort")
        setup()
        setup_switch(SHARE_SWITCH_PORT)
        wait_for_button_press(SHARE_SWITCH_PORT)
        logger.debug("Share button pressed")

    if args.wifi_wait:
        logger.debug(
            "Waiting for WiFi button press; press ^C and button to abort")
        setup()
        setup_switch(WIFI_SWITCH_PORT)
        wait_for_button_press(WIFI_SWITCH_PORT)
        logger.debug("WiFi button pressed")
コード例 #5
0
def main():
    parser = argparse.ArgumentParser(
        description="Contact tracing beacon trasmitter")
    parser.add_argument("-d",
                        "--debug",
                        help="Run in debug mode logging to stderr",
                        action="store_true")
    parser.add_argument(
        "-D",
        "--database",
        help="Specify the database location",
        default="/var/lib/epidose/client-database.db",
    )
    parser.add_argument(
        "-i",
        "--iface",
        help="Transmit on the specified interface, not [hci]0",
        type=int,
        default=0,
    )
    parser.add_argument(
        "-n",
        "--dry-run",
        help="Do not execute the required command(s)",
        action="store_true",
    )
    parser.add_argument(
        "-r",
        "--rssi",
        help="Specify the received signal strength indication",
        type=int,
        default=0xC0,
    )
    parser.add_argument("-t",
                        "--test",
                        help="Test script",
                        action="store_true")
    parser.add_argument("-v",
                        "--verbose",
                        help="Set verbose logging",
                        action="store_true")
    args = parser.parse_args()

    if args.test:
        args.debug = True
        args.dry_run = True
        args.database = ":memory:"

    # Setup logging
    daemon = Daemon("beacon_tx", args)
    global logger
    logger = daemon.get_logger()

    global dry_run
    dry_run = args.dry_run

    interface = f"hci{args.iface}"

    # Transmit and store beacon packets
    current_ephid = None
    transmitter = ContactTracer(None, args.database, receiver=False)
    sleeper = InterruptibleSleep([signal.SIGTERM, signal.SIGINT])
    while True:
        now = datetime.now()
        transmitter.check_advance_day(now)
        ephid = transmitter.get_ephid_for_time(now)
        if ephid != current_ephid:

            # Generate random bdaddr
            bdaddr = generate_random_bdaddr()
            bdaddr = bdaddr.split()

            # Change local device bdaddr
            run_command([
                "hcitool", "-i", interface, "cmd", "0x3f", "0x001", bdaddr[5],
                bdaddr[4], bdaddr[3], bdaddr[2], bdaddr[1], bdaddr[0]
            ])

            # Enable the bluetooth interface
            run_command(["hciconfig", interface, "up"])

            # Enable LE advertising
            run_command(
                ["hcitool", "-i", interface, "cmd", "0x08", "0x000a", "01"])

            set_transmit(interface, ephid, args.rssi)
            current_ephid = ephid
            logger.debug(f"Change ephid to {ephid.hex()}")

        # Wait for the current epoch (e.g. 15 minutes) to pass
        # The API can't tell us TTL, so sample every minute
        sleeper.sleep(EPOCH_LENGTH / 60)
        if sleeper.signaled:
            # Stop advertising
            run_command(["hciconfig", interface, "noleadv"])
            exit(0)
        if args.test:
            break
コード例 #6
0
ファイル: upload_seeds.py プロジェクト: stefanos1316/epidose
def main():
    parser = argparse.ArgumentParser(
        description="Contact tracing seed uploader")
    parser.add_argument("-a",
                        "--authorization",
                        help="Upload authorization code",
                        default=":NONE:")
    parser.add_argument("-d",
                        "--debug",
                        help="Run in debug mode logging to stderr",
                        action="store_true")
    parser.add_argument(
        "-D",
        "--database",
        help="Specify the database location",
        default="/var/lib/epidose/client-database.db",
    )
    parser.add_argument("-t",
                        "--test",
                        help="Test script",
                        action="store_true")
    parser.add_argument("-s",
                        "--server",
                        help="Server URL",
                        default=SERVER_URL)
    parser.add_argument("-v",
                        "--verbose",
                        help="Set verbose logging",
                        action="store_true")
    parser.add_argument(
        "start_time",
        help="The (ISO) time from which contact tracing should start")
    parser.add_argument(
        "end_time", help="The (ISO) time at which contact tracing should end")
    args = parser.parse_args()

    if args.test:
        args.debug = True
        args.database = ":memory:"

    # Setup logging
    daemon = Daemon("upload_seeds", args)
    global logger
    logger = daemon.get_logger()

    # Obtain the specified seeds
    ct = ContactTracer(None, args.database, transmitter=False, receiver=False)
    (epochs, seeds) = ct.get_tracing_information(
        datetime.fromisoformat(args.start_time),
        datetime.fromisoformat(args.end_time))

    # Create dictionary for JSON
    logger.debug("Creating request")
    post = {"authorization": args.authorization, "data": []}
    i = 0
    for e in epochs:
        post["data"].append({"epoch": e, "seed": seeds[i].hex()})
        i += 1

    # Send request and check response
    logger.debug("Sending request")
    res = requests.post(f"{args.server}/add_contagious", json=post)
    logger.debug("Request sent")
    if res.ok:
        exit(0)
    else:
        logger.error(f"Request failed: {res.status_code} {res.reason}")
        exit(1)
コード例 #7
0
ファイル: device_io.py プロジェクト: Laeeth/epidose
def main():
    parser = argparse.ArgumentParser(description="Contact tracing device I/O")
    parser.add_argument(
        "-d", "--debug", help="Run in debug mode logging to stderr", action="store_true"
    )
    parser.add_argument("-G", "--green-on", help="Turn red LED on", action="store_true")
    parser.add_argument(
        "-g", "--green-off", help="Turn red LED off", action="store_true"
    )
    parser.add_argument(
        "-O", "--orange-on", help="Turn orange LED on", action="store_true"
    )
    parser.add_argument(
        "-o", "--orange-off", help="Turn orange LED off", action="store_true"
    )
    parser.add_argument("-R", "--red-on", help="Turn red LED on", action="store_true")
    parser.add_argument("-r", "--red-off", help="Turn red LED off", action="store_true")
    parser.add_argument(
        "-t", "--test", help="Toggle LED with button", action="store_true"
    )
    parser.add_argument(
        "-v", "--verbose", help="Set verbose logging", action="store_true"
    )
    parser.add_argument("-w", "--wait", help="Wait for key press", action="store_true")
    args = parser.parse_args()

    # Setup logging
    daemon = Daemon("device_io", args)
    global logger
    logger = daemon.get_logger()

    if args.test:
        setup_leds()
        setup_switch()
        try:
            toggle()
        except KeyboardInterrupt:
            pass
    if args.green_off:
        logger.debug("Turn green LED off")
        setup_leds()
        green_led_set(False)
    if args.green_on:
        logger.debug("Turn green LED on")
        setup_leds()
        green_led_set(True)
    if args.orange_off:
        logger.debug("Turn orange LED off")
        setup_leds()
        orange_led_set(False)
    if args.orange_on:
        logger.debug("Turn orange LED on")
        setup_leds()
        orange_led_set(True)
    if args.red_off:
        logger.debug("Turn red LED off")
        setup_leds()
        red_led_set(False)
    if args.red_on:
        logger.debug("Turn red LED on")
        setup_leds()
        red_led_set(True)
    if args.wait:
        logger.debug("Waiting for button press; press ^C and button to abort")
        setup_switch()
        wait_for_button_press()
        logger.debug("Button pressed")