def onReadRequest(self, offset, callback): if not offset: Logger.info(LOCATION, 'Device Info being read by connected device.') total_memory = virtual_memory() endian = sys.byteorder sysData = { 'platform': platform.system(), 'release': platform.release(), 'type': platform.uname().system, 'arch': platform.uname().machine, 'cpus': json.dumps(os.cpu_count()), 'hostname': socket.gethostname(), 'totalMemory': total_memory.total } # Mapping endian value to match with node sdk if endian == 'little': sysData['endianness'] = 'LE' else: sysData['endianness'] = 'BE' self.deviceInfoData.extend(map(ord, json.dumps(sysData))) #Return the necessary data through the call back callback(Characteristic.RESULT_SUCCESS, self.deviceInfoData[offset:])
def onReadRequest(self, offset, callback): if not offset: Logger.info(LOCATION, 'Device Network info being read by connected device.') interfaces = netifaces.interfaces() address = '' interface_name = '' for iface in interfaces: addrs = netifaces.ifaddresses(iface) # Skip local address if not iface.startswith('lo'): try: # Filter only ipv4 address ipv4_address_list = addrs[netifaces.AF_INET] for ipv4 in ipv4_address_list: address = ipv4['addr'] interface_name = iface except Exception as exception: # Filter only ipv4 address pass data = {'network': address, 'ip': interface_name} self.networkData.extend(map(ord, json.dumps(data))) #Return the necessary network related data through the callback callback(Characteristic.RESULT_SUCCESS, self.networkData[offset:])
def get_actions(self): Logger.info(LOCATION, 'Retrieving actions...') try: actions = self.bot_service.get(ACTIONS_ENDPOINT) Logger.success( LOCATION, 'Successfully retrieved ' + str(len(actions)) + ' action(s) from server') Store.set_actions(actions) return actions except falcon.HTTPServiceUnavailable: Logger.warning( LOCATION, 'Unable to retrieve actions from server. Loading locally stored action(s)...' ) actions = self.store.get_actions() Logger.success( LOCATION, 'Successfully loaded ' + str(len(actions)) + ' cached action(s)') return actions
def generate_qr_code(self): try: Logger.info(LOCATION, 'Generating QR Code for alternative pairing...') device_information = self.configuration.get_device_information() image = qrcode.make(json.dumps(device_information), image_factory=PymagingImage) Store.save_qrcode(image) Logger.success(LOCATION, 'QR Code successfully generated') except Exception as exception: Logger.error(LOCATION, 'QR Code not generated') raise exception
def pair(self): try: response = self.bot_service.get(RESOURCE) except: Logger.error(LOCATION, 'Failed pairing attempt.') return False if response['status'] is True: Logger.success(LOCATION, 'Device successfully paired.') return True else: Logger.error(LOCATION, 'Failed pairing attempt.') return False
def remove_configuration(): try: if Store.has_configuration(): os.remove(_configuration_file_path) os.remove(_qr_image_path) Logger.success(LOCATION, 'Successfully removed configuration file') else: Logger.warning(LOCATION, 'Could not reset, no configuration available') except IOError as io_error: Logger.error(LOCATION, io_error.message) raise io_error
def run(self): if not self.can_pair: return if self.device_status == DeviceStatus.MULTIPAIR: Logger.info(LOCATION, 'Multipair mode, no need to poll or delete keys...') return Logger.info(LOCATION, 'Starting to pair device...') for tries in range(1, MAXIMUM_TRIES + 1): Logger.info(LOCATION, 'Pairing device, attempt: ' + str(tries)) if self.pair(): return True time.sleep(POLLING_INTERVAL_IN_SECONDS) return False
def onWriteRequest(self, data, offset, withoutResponse, callback): if offset: callback(Characteristic.RESULT_ATTR_NOT_LONG) else: callback(Characteristic.RESULT_SUCCESS) if offset > len(data): callback(bleno.Characteristic.RESULT_INVALID_OFFSET) Logger.error(LOCATION, 'Error in Characteristic') else: callback(Characteristic.RESULT_SUCCESS, data[offset:]) details = json.loads(data) if details['Skip'] == True: Logger.info( LOCATION, 'Connected device skipped Wifi setup. ' + 'Initializing pairing process...') PairingService().run() else: wifiDetails = '' if details['SSID'] != '': wifiDetails = 'ctrl_interface=DIR=/var/run/wpa_supplicant' + \ ' GROUP=netdev\r\n update_config=1\r\n country=GB \r\n'+ \ 'network={ \r\n ssid="' + details['SSID'] + \ '" \r\n' + \ ' psk="' + details['PWD'] + \ '" \r\n ' + \ 'key_mgmt=WPA-PSK \r\n}' Logger.info( LOCATION, 'Wifi setup complete. Initializing pairing process...') PairingService().run() time.sleep(3) subprocess.run([ 'sudo echo \'' + wifiDetails + '\' > ./wpa_supplicant.conf' ], shell=True) subprocess.run([ "sudo", "cp", "./wpa_supplicant.conf", "/etc/wpa_supplicant/" ]) subprocess.run(["sudo", "rm", "./wpa_supplicant.conf"]) subprocess.run(["sudo", "sleep", "1", "&&", "reboot"])
def remove_configuration(): try: if Store.has_configuration(): os.remove(_configuration_file_path) if os.path.isfile(_qr_image_path): os.remove(_qr_image_path) if os.path.isfile(_saved_actions_path): os.remove(_saved_actions_path) if os.path.isfile(_last_triggered_path): os.remove(_last_triggered_path) Logger.success(LOCATION, 'Successfully reset device configuration') else: Logger.warning(LOCATION, 'Could not reset, no configuration available') except IOError as io_error: Logger.error(LOCATION, io_error.message) raise io_error
def _handle_ssl_exception(): error = 'SSL Fingerprint verification failed. Could not verify server.' Logger.error(LOCATION, error) raise falcon.HTTPServiceUnavailable(description=error)
def on_setServiceError(error): if error: Logger.error(LOCATION, 'setServices: ', error) else: Logger.info(LOCATION, 'Successfully set services.')
# Function to validate the given IP Address def is_valid(ip): regex = '''^(25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)\.( 25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)\.( 25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)\.( 25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)''' return re.search(regex, ip) if not store.has_configuration(): if len(sys.argv) <= 1: exit('Please add your makerID to configure the SDK: "make server makerID=YOUR_MAKER_ID"') maker_id = sys.argv[1] # 1 -> First argument after server.py configuration_service.initialize_configuration(maker_id) # If OS is windows based, it doesn't support gunicorn so we run waitress if os.name == 'nt': subprocess.run(['waitress-serve', '--port=3001', 'bot_python_sdk.api:api']) else: cmd = subprocess.Popen(['hostname', '-I'], stdout=subprocess.PIPE) ip = cmd.communicate()[0].decode('ascii').split(' ')[0] if is_valid(ip): Logger.info(LOCATION, "Detected IP Address :" + ip) else: Logger.info(LOCATION, "Failed in detecting valid IP Address, using loop back address: 127.0.0.1") ip = '127.0.0.1' Logger.info(LOCATION, "Starting Webserver at URL: http://" + ip + ':3001/') subprocess.run(['gunicorn', '-b', ip + ':3001', 'bot_python_sdk.api:api'])
def on_get(self, request, response): Logger.info(LOCATION, INCOMING_REQUEST + METHOD_GET + ' ' + ACTIONS_ENDPOINT) response.media = self.action_service.get_actions()
def _handle_unsupported_frequency(frequency): error = 'Frequency not supported: ' + frequency Logger.error(LOCATION, error) raise falcon.HTTPBadRequest(description=error)
def on_get(self, request, response): Logger.info(LOCATION, "Serving QRCode Request...") stream = open(QRCODE_IMG_PATH, 'rb') content_length = os.path.getsize(QRCODE_IMG_PATH) response.content_type = "image/png" response.stream, response.content_length = stream, content_length
def _handle_maximum_frequency(frequency): error = 'Maximum ' + frequency + ' triggers reached' Logger.error(LOCATION, error) raise falcon.HTTPBadRequest(description=error)
def check_and_resume_configuration(): configuration = ConfigurationStore().get() device_status = configuration.get_device_status() system_platform = platform.system() Logger.info(LOCATION, "Detected Platform System: " + system_platform) if device_status is DeviceStatus.ACTIVE: Logger.info(LOCATION, "Device is already active, no need to further configure") Logger.info(LOCATION, "Server is waiting for requests to serve...") Logger.info( LOCATION, "Supported Endpoints: /qrcode /actions /pairing /activate" ) elif device_status is DeviceStatus.PAIRED: Logger.info(LOCATION, "Device state is PAIRED, resuming the configuration") ConfigurationService().resume_configuration() elif device_status is DeviceStatus.MULTIPAIR and PairingService().pair(): Logger.info( LOCATION, "Device is paired as MULTIPAIR, Server is waiting for requests to serve..." ) else: Logger.info( LOCATION, "Pair the device either using QRCode or Bluetooth Service through FINN Mobile App" ) if system_platform != 'Darwin' and configuration.is_bluetooth_enabled( ): from bot_python_sdk.bluetooth_service import BluetoothService # Handle BLE specific events and callbacks BluetoothService().initialize() ConfigurationService().resume_configuration()
def generate_key(self): Logger.info('Key Generator', 'Generating KeyPair...') key = PKey() key.generate_key(TYPE_RSA, 1024) key = key.to_cryptography_key() return self._public_key(key), self._private_key(key)
def on_get(self, request, response): Logger.info(LOCATION, "Serving base endpoint request...") response.body = '{"message": "BoT-Python-SDK Webserver", "endpoints" : "/qrcode /actions /pairing /activate" }' response.status = falcon.HTTP_200