# -*- coding: utf-8 -*- # Part of Odoo. See LICENSE file for full copyright and licensing details. import datetime from enum import Enum from importlib import util import io import json import logging import netifaces from OpenSSL import crypto import os from pathlib import Path import subprocess import urllib3 import zipfile from threading import Thread import time from odoo import _, http from odoo.modules.module import get_resource_path _logger = logging.getLogger(__name__) #---------------------------------------------------------- # Helper #---------------------------------------------------------- class CertificateStatus(Enum): OK = 1 NEED_REFRESH = 2 ERROR = 3 class IoTRestart(Thread): """ Thread to restart odoo server in IoT Box when we must return a answer before """ def __init__(self, delay): Thread.__init__(self) self.delay = delay def run(self): time.sleep(self.delay) subprocess.check_call(["sudo", "service", "odoo", "restart"]) def access_point(): return get_ip() == '10.11.12.1' def add_credential(db_uuid, enterprise_code): write_file('odoo-db-uuid.conf', db_uuid) write_file('odoo-enterprise-code.conf', enterprise_code) def check_certificate(): """ Check if the current certificate is up to date or not authenticated :return CheckCertificateStatus """ server = get_odoo_server_url() if not server: return {"status": CertificateStatus.ERROR, "error_code": "ERR_IOT_HTTPS_CHECK_NO_SERVER"} path = Path('/etc/ssl/certs/nginx-cert.crt') if not path.exists(): return {"status": CertificateStatus.NEED_REFRESH} try: with path.open('r') as f: cert = crypto.load_certificate(crypto.FILETYPE_PEM, f.read()) except EnvironmentError: _logger.exception("Unable to read certificate file") return {"status": CertificateStatus.ERROR, "error_code": "ERR_IOT_HTTPS_CHECK_CERT_READ_EXCEPTION"} cert_end_date = datetime.datetime.strptime(cert.get_notAfter().decode('utf-8'), "%Y%m%d%H%M%SZ") - datetime.timedelta(days=10) for key in cert.get_subject().get_components(): if key[0] == b'CN': cn = key[1].decode('utf-8') if cn == 'OdooTempIoTBoxCertificate' or datetime.datetime.now() > cert_end_date: message = _('Your certificate %s must be updated') % (cn) _logger.info(message) return {"status": CertificateStatus.NEED_REFRESH} else: message = _('Your certificate %s is valid until %s') % (cn, cert_end_date) _logger.info(message) return {"status": CertificateStatus.OK, "message": message} def check_git_branch(): """ Check if the local branch is the same than the connected Odoo DB and checkout to match it if needed. """ server = get_odoo_server_url() if server: urllib3.disable_warnings() http = urllib3.PoolManager(cert_reqs='CERT_NONE') try: response = http.request( 'POST', server + "/web/webclient/version_info", body = '{}', headers = {'Content-type': 'application/json'} ) if response.status == 200: git = ['git', '--work-tree=/home/pi/odoo/', '--git-dir=/home/pi/odoo/.git'] db_branch = json.loads(response.data)['result']['server_serie'].replace('~', '-') if not subprocess.check_output(git + ['ls-remote', 'origin', db_branch]): db_branch = 'master' local_branch = subprocess.check_output(git + ['symbolic-ref', '-q', '--short', 'HEAD']).decode('utf-8').rstrip() if db_branch != local_branch: subprocess.call(["sudo", "mount", "-o", "remount,rw", "/"]) subprocess.check_call(["rm", "-rf", "/home/pi/odoo/addons/hw_drivers/iot_handlers/drivers/*"]) subprocess.check_call(["rm", "-rf", "/home/pi/odoo/addons/hw_drivers/iot_handlers/interfaces/*"]) subprocess.check_call(git + ['branch', '-m', db_branch]) subprocess.check_call(git + ['remote', 'set-branches', 'origin', db_branch]) os.system('/home/pi/odoo/addons/point_of_sale/tools/posbox/configuration/posbox_update.sh') subprocess.call(["sudo", "mount", "-o", "remount,ro", "/"]) subprocess.call(["sudo", "mount", "-o", "remount,rw", "/root_bypass_ramdisks/etc/cups"]) except Exception as e: _logger.error('Could not reach configured server') _logger.error('A error encountered : %s ' % e) def check_image(): """ Check if the current image of IoT Box is up to date """ url = 'https://nightly.odoo.com/master/iotbox/SHA1SUMS.txt' urllib3.disable_warnings() http = urllib3.PoolManager(cert_reqs='CERT_NONE') response = http.request('GET', url) checkFile = {} valueActual = '' for line in response.data.decode().split('\n'): if line: value, name = line.split(' ') checkFile.update({value: name}) if name == 'iotbox-latest.zip': valueLastest = value elif name == get_img_name(): valueActual = value if valueActual == valueLastest: return False version = checkFile.get(valueLastest, 'Error').replace('iotboxv', '').replace('.zip', '').split('_') return {'major': version[0], 'minor': version[1]} def get_certificate_status(is_first=True): """ Will get the HTTPS certificate details if present. Will load the certificate if missing. :param is_first: Use to make sure that the recursion happens only once :return: (bool, str) """ check_certificate_result = check_certificate() certificateStatus = check_certificate_result["status"] if certificateStatus == CertificateStatus.ERROR: return False, check_certificate_result["error_code"] if certificateStatus == CertificateStatus.NEED_REFRESH and is_first: certificate_process = load_certificate() if certificate_process is not True: return False, certificate_process return get_certificate_status(is_first=False) # recursive call to attempt certificate read return True, check_certificate_result.get("message", "The HTTPS certificate was generated correctly") def get_img_name(): major, minor = get_version().split('.') return 'iotboxv%s_%s.zip' % (major, minor) def get_ip(): while True: try: return netifaces.ifaddresses('eth0')[netifaces.AF_INET][0]['addr'] except KeyError: pass try: return netifaces.ifaddresses('wlan0')[netifaces.AF_INET][0]['addr'] except KeyError: pass _logger.warning("Couldn't get IP, sleeping and retrying.") time.sleep(5) def get_mac_address(): while True: try: return netifaces.ifaddresses('eth0')[netifaces.AF_LINK][0]['addr'] except KeyError: pass try: return netifaces.ifaddresses('wlan0')[netifaces.AF_LINK][0]['addr'] except KeyError: pass _logger.warning("Couldn't get MAC address, sleeping and retrying.") time.sleep(5) def get_ssid(): ap = subprocess.call(['systemctl', 'is-active', '--quiet', 'hostapd']) # if service is active return 0 else inactive if not ap: return subprocess.check_output(['grep', '-oP', '(?<=ssid=).*', '/etc/hostapd/hostapd.conf']).decode('utf-8').rstrip() process_iwconfig = subprocess.Popen(['iwconfig'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT) process_grep = subprocess.Popen(['grep', 'ESSID:"'], stdin=process_iwconfig.stdout, stdout=subprocess.PIPE) return subprocess.check_output(['sed', 's/.*"\\(.*\\)"/\\1/'], stdin=process_grep.stdout).decode('utf-8').rstrip() def get_odoo_server_url(): ap = subprocess.call(['systemctl', 'is-active', '--quiet', 'hostapd']) # if service is active return 0 else inactive if not ap: return False return read_file_first_line('odoo-remote-server.conf') def get_token(): return read_file_first_line('token') def get_version(): return subprocess.check_output(['cat', '/var/odoo/iotbox_version']).decode().rstrip() def get_wifi_essid(): wifi_options = [] process_iwlist = subprocess.Popen(['sudo', 'iwlist', 'wlan0', 'scan'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT) process_grep = subprocess.Popen(['grep', 'ESSID:"'], stdin=process_iwlist.stdout, stdout=subprocess.PIPE).stdout.readlines() for ssid in process_grep: essid = ssid.decode('utf-8').split('"')[1] if essid not in wifi_options: wifi_options.append(essid) return wifi_options def load_certificate(): """ Send a request to Odoo with customer db_uuid and enterprise_code to get a true certificate """ db_uuid = read_file_first_line('odoo-db-uuid.conf') enterprise_code = read_file_first_line('odoo-enterprise-code.conf') if not (db_uuid and enterprise_code): return "ERR_IOT_HTTPS_LOAD_NO_CREDENTIAL" url = 'https://www.odoo.com/odoo-enterprise/iot/x509' data = { 'params': { 'db_uuid': db_uuid, 'enterprise_code': enterprise_code } } urllib3.disable_warnings() http = urllib3.PoolManager(cert_reqs='CERT_NONE', retries=urllib3.Retry(4)) try: response = http.request( 'POST', url, body = json.dumps(data).encode('utf8'), headers = {'Content-type': 'application/json', 'Accept': 'text/plain'} ) except Exception as e: _logger.exception("An error occurred while trying to reach odoo.com servers.") return "ERR_IOT_HTTPS_LOAD_REQUEST_EXCEPTION\n\n%s" % e if response.status != 200: return "ERR_IOT_HTTPS_LOAD_REQUEST_STATUS %s\n\n%s" % (response.status, response.reason) result = json.loads(response.data.decode('utf8'))['result'] if not result: return "ERR_IOT_HTTPS_LOAD_REQUEST_NO_RESULT" write_file('odoo-subject.conf', result['subject_cn']) subprocess.call(["sudo", "mount", "-o", "remount,rw", "/"]) subprocess.call(["sudo", "mount", "-o", "remount,rw", "/root_bypass_ramdisks/"]) Path('/etc/ssl/certs/nginx-cert.crt').write_text(result['x509_pem']) Path('/root_bypass_ramdisks/etc/ssl/certs/nginx-cert.crt').write_text(result['x509_pem']) Path('/etc/ssl/private/nginx-cert.key').write_text(result['private_key_pem']) Path('/root_bypass_ramdisks/etc/ssl/private/nginx-cert.key').write_text(result['private_key_pem']) subprocess.call(["sudo", "mount", "-o", "remount,ro", "/"]) subprocess.call(["sudo", "mount", "-o", "remount,ro", "/root_bypass_ramdisks/"]) subprocess.call(["sudo", "mount", "-o", "remount,rw", "/root_bypass_ramdisks/etc/cups"]) subprocess.check_call(["sudo", "service", "nginx", "restart"]) return True def download_iot_handlers(auto=True): """ Get the drivers from the configured Odoo server """ server = get_odoo_server_url() if server: urllib3.disable_warnings() pm = urllib3.PoolManager(cert_reqs='CERT_NONE') server = server + '/iot/get_handlers' try: resp = pm.request('POST', server, fields={'mac': get_mac_address(), 'auto': auto}) if resp.data: subprocess.call(["sudo", "mount", "-o", "remount,rw", "/"]) drivers_path = Path.home() / 'odoo/addons/hw_drivers/iot_handlers' zip_file = zipfile.ZipFile(io.BytesIO(resp.data)) zip_file.extractall(drivers_path) subprocess.call(["sudo", "mount", "-o", "remount,ro", "/"]) subprocess.call(["sudo", "mount", "-o", "remount,rw", "/root_bypass_ramdisks/etc/cups"]) except Exception as e: _logger.error('Could not reach configured server') _logger.error('A error encountered : %s ' % e) def load_iot_handlers(): """ This method loads local files: 'odoo/addons/hw_drivers/iot_handlers/drivers' and 'odoo/addons/hw_drivers/iot_handlers/interfaces' And execute these python drivers and interfaces """ for directory in ['interfaces', 'drivers']: path = get_resource_path('hw_drivers', 'iot_handlers', directory) filesList = os.listdir(path) for file in filesList: path_file = os.path.join(path, file) spec = util.spec_from_file_location(file, path_file) if spec: module = util.module_from_spec(spec) spec.loader.exec_module(module) http.addons_manifest = {} http.root = http.Root() def odoo_restart(delay): IR = IoTRestart(delay) IR.start() def read_file_first_line(filename): path = Path.home() / filename path = Path('/home/pi/' + filename) if path.exists(): with path.open('r') as f: return f.readline().strip('\n') return '' def unlink_file(filename): subprocess.call(["sudo", "mount", "-o", "remount,rw", "/"]) path = Path.home() / filename if path.exists(): path.unlink() subprocess.call(["sudo", "mount", "-o", "remount,ro", "/"]) subprocess.call(["sudo", "mount", "-o", "remount,rw", "/root_bypass_ramdisks/etc/cups"]) def write_file(filename, text): subprocess.call(["sudo", "mount", "-o", "remount,rw", "/"]) path = Path.home() / filename path.write_text(text) subprocess.call(["sudo", "mount", "-o", "remount,ro", "/"]) subprocess.call(["sudo", "mount", "-o", "remount,rw", "/root_bypass_ramdisks/etc/cups"])