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decrease counter if the user wait after the slowdown notice

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Sébastien Thuret 2021-11-05 14:55:45 +01:00
parent ec382054db
commit adfdc8c9e5
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GPG key ID: 4742E2D66933BB08
2 changed files with 23 additions and 2 deletions
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12
app/app.py
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@ -25,6 +25,7 @@ def get_version():
except:
return "?"
def get_upload_dir():
upload_dir = os.path.join(tempfile.gettempdir(), "libretranslate-files-translate")
@ -33,6 +34,7 @@ def get_upload_dir():
return upload_dir
def get_req_api_key():
if request.is_json:
json = get_json_dict(request)
@ -42,6 +44,7 @@ def get_req_api_key():
return ak
def get_json_dict(request):
d = request.get_json()
if not isinstance(d, dict):
@ -162,8 +165,13 @@ def create_app(args):
def access_check(f):
@wraps(f)
def func(*a, **kw):
if flood.is_banned(get_remote_address()):
ip = get_remote_address()
if flood.is_banned(ip):
abort(403, description="Too many request limits violations")
else:
if flood.has_violation(ip):
flood.decrease(ip)
if args.api_keys and args.require_api_key_origin:
ak = get_req_api_key()
@ -621,7 +629,7 @@ def create_app(args):
"""
if args.disable_files_translation:
abort(400, description="Files translation are disabled on this server.")
filepath = os.path.join(get_upload_dir(), filename)
try:
checked_filepath = security.path_traversal_check(filepath, get_upload_dir())

13
app/flood.py
View file

@ -19,6 +19,8 @@ def setup(violations_threshold=100):
active = True
threshold = violations_threshold
print(violations_threshold)
scheduler = BackgroundScheduler()
scheduler.add_job(func=clear_banned, trigger="interval", weeks=4)
scheduler.start()
@ -31,6 +33,17 @@ def report(request_ip):
if active:
banned[request_ip] = banned.get(request_ip, 0)
banned[request_ip] += 1
print(banned[request_ip])
def decrease(request_ip):
if banned[request_ip] > 0:
banned[request_ip] -= 1
print('decrease', request_ip)
def has_violation(request_ip):
return request_ip in banned and banned[request_ip] > 0
def is_banned(request_ip):