def _update_tracker_db(self):
"""Update Trackers DB."""
try:
if not is_internet_available():
logger.warning('No Internet Connection. '
'Skipping Trackers Database Update.')
return
exodus_db = '{}/api/trackers'.format(settings.EXODUS_URL)
resp = update_local_db('Trackers', exodus_db, self.tracker_db)
# Check1: SHA256 Change
if resp:
# DB needs update
# Check2: DB Syntax Changed
data = json.loads(resp.decode('utf-8', 'ignore'))
is_db_format_good = False
if 'trackers' in data:
if '1' in data['trackers']:
if 'code_signature' in data['trackers']['1']:
is_db_format_good = True
if is_db_format_good:
# DB Format is not changed. Let's update DB
logger.info('Updating Trackers Database....')
with open(self.tracker_db, 'wb') as wfp:
wfp.write(resp)
else:
logger.info('Trackers Database format from '
'reports.exodus-privacy.eu.org has changed.'
' Database is not updated. '
'Please report to: https://github.com/MobSF/'
'Mobile-Security-Framework-MobSF/issues')
except Exception:
logger.exception('[ERROR] Trackers DB Update')
def update_frida_server(arch, version):
"""Download Assets of a given version."""
download_dir = Path(settings.DWD_DIR)
fserver = f'frida-server-{version}-android-{arch}'
frida_bin = download_dir / fserver
if frida_bin.is_file():
return True
if not is_internet_available():
return False
try:
proxies, verify = upstream_proxy('https')
except Exception:
logger.exception('[ERROR] Setting upstream proxy')
try:
response = requests.get(f'{settings.FRIDA_SERVER}{version}',
timeout=3,
proxies=proxies,
verify=verify)
for item in response.json()['assets']:
if item['name'] == f'{fserver}.xz':
url = item['browser_download_url']
return download_frida_server(url, version, fserver)
return False
except Exception:
logger.exception('[ERROR] Fetching Frida Server Release')
return False
def update(self):
if is_internet_available():
self.update_malware_db()
self.update_maltrail_db()
else:
logger.warning('Internet not available. '
'Skipping Malware Database Update.')