LibreTranslate/app/flood.py

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import atexit
from apscheduler.schedulers.background import BackgroundScheduler
banned = {}
active = False
threshold = -1
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def clear_banned():
global banned
banned = {}
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def setup(violations_threshold=100):
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global active
global threshold
active = True
threshold = violations_threshold
scheduler = BackgroundScheduler()
scheduler.add_job(func=clear_banned, trigger="interval", weeks=4)
scheduler.start()
# Shut down the scheduler when exiting the app
atexit.register(lambda: scheduler.shutdown())
def report(request_ip):
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if active:
banned[request_ip] = banned.get(request_ip, 0)
banned[request_ip] += 1
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def is_banned(request_ip):
# More than X offences?
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return active and banned.get(request_ip, 0) >= threshold