def update_check(force=False):
"""
Makes a request to ctfd.io to check if there is a new version of CTFd available. The service is provided in return
for users opting in to anonymous usage data collection. Users can opt-out of update checks by specifying
UPDATE_CHECK = False in config.py
:param force:
:return:
"""
# If UPDATE_CHECK is disabled don't check for updates at all.
if app.config.get("UPDATE_CHECK") is False:
return
# Don't do an update check if not setup
if is_setup() is False:
return
# Get when we should check for updates next.
next_update_check = get_config("next_update_check") or 0
# If we have passed our saved time or we are forcing we should check.
update = (next_update_check < time.time()) or force
if update:
try:
name = str(get_config("ctf_name")) or ""
params = {
"ctf_id": sha256(name),
"current": app.VERSION,
"python_version_raw": sys.hexversion,
"python_version": python_version(),
"db_driver": db.session.bind.dialect.name,
"challenge_count": Challenges.query.count(),
"user_mode": get_config("user_mode"),
"user_count": Users.query.count(),
"team_count": Teams.query.count(),
"theme": get_config("ctf_theme"),
"upload_provider": get_app_config("UPLOAD_PROVIDER"),
"channel": app.CHANNEL,
}
check = requests.get("https://versioning.ctfd.io/check",
params=params,
timeout=3).json()
except requests.exceptions.RequestException:
pass
except ValueError:
pass
else:
try:
latest = check["resource"]["tag"]
html_url = check["resource"]["html_url"]
if StrictVersion(latest) > StrictVersion(app.VERSION):
set_config("version_latest", html_url)
elif StrictVersion(latest) <= StrictVersion(app.VERSION):
set_config("version_latest", None)
next_update_check_time = check["resource"].get(
"next", int(time.time() + 43200))
set_config("next_update_check", next_update_check_time)
except KeyError:
set_config("version_latest", None)
def update_check(force=False):
"""
Makes a request to ctfd.io to check if there is a new version of CTFd available. The service is provided in return
for users opting in to anonymous usage data collection. Users can opt-out of update checks by specifying
UPDATE_CHECK = False in config.py
:param force:
:return:
"""
# If UPDATE_CHECK is disabled don't check for updates at all.
if app.config.get('UPDATE_CHECK') is False:
return
# Don't do an update check if not setup
if is_setup() is False:
return
# Get when we should check for updates next.
next_update_check = get_config('next_update_check') or 0
# If we have passed our saved time or we are forcing we should check.
update = (next_update_check < time.time()) or force
if update:
try:
name = str(get_config('ctf_name')) or ''
params = {
'ctf_id': sha256(name),
'current': app.VERSION,
'python_version_raw': sys.hexversion,
'python_version': python_version(),
'db_driver': db.session.bind.dialect.name,
'challenge_count': Challenges.query.count(),
'user_mode': get_config('user_mode'),
'user_count': Users.query.count(),
'team_count': Teams.query.count(),
'theme': get_config('ctf_theme'),
'upload_provider': get_app_config('UPLOAD_PROVIDER')
}
check = requests.post('https://versioning.ctfd.io/',
json=params,
timeout=0.1).json()
except requests.exceptions.RequestException:
pass
except ValueError:
pass
else:
try:
latest = check['resource']['tag']
html_url = check['resource']['html_url']
if StrictVersion(latest) > StrictVersion(app.VERSION):
set_config('version_latest', html_url)
elif StrictVersion(latest) <= StrictVersion(app.VERSION):
set_config('version_latest', None)
next_update_check_time = check['resource'].get(
'next', int(time.time() + 43200))
set_config('next_update_check', next_update_check_time)
except KeyError:
set_config('version_latest', None)
def __init__(self, *args, **kwargs):
"""Overriden Jinja constructor setting a custom jinja_environment"""
self.jinja_environment = SandboxedBaseEnvironment
self.session_interface = CachingSessionInterface(key_prefix="session")
self.request_class = CTFdRequest
# Store server start time
self.start_time = datetime.datetime.utcnow()
# Create generally unique run identifier
self.run_id = sha256(str(self.start_time))[0:8]
Flask.__init__(self, *args, **kwargs)
def test_sha256():
assert (sha256("asdf") ==
"f0e4c2f76c58916ec258f246851bea091d14d4247a2fc3e18694461b1816e13b")
def test_sha256():
assert sha256(
'asdf'
) == 'f0e4c2f76c58916ec258f246851bea091d14d4247a2fc3e18694461b1816e13b'
