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whoogle-search
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Return 401 when token is invalid (#714) 

In some rare instances (a race condition perhaps?) a
`cryptography.fernet.InvalidToken` exception is thrown resulting in
a broken connection.

This change gracefully returns a 401 error instead.
main
gdm85 2022-04-18 21:06:44 +02:00 committed by GitHub
parent cded1e0272
commit 94b4eb08a2
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1 changed files with 10 additions and 3 deletions
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13
app/routes.py
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@ -28,7 +28,8 @@ from flask import jsonify, make_response, request, redirect, render_template, \
send_file, session, url_for, g
from requests import exceptions, get
from requests.models import PreparedRequest
from cryptography.fernet import Fernet
from cryptography.fernet import Fernet, InvalidToken
from cryptography.exceptions import InvalidSignature
# Load DDG bang json files only on init
bang_json = json.load(open(app.config['BANG_FILE'])) or {}
@ -460,8 +461,14 @@ def imgres():
def element():
element_url = src_url = request.args.get('url')
if element_url.startswith('gAAAAA'):
cipher_suite = Fernet(g.session_key)
src_url = cipher_suite.decrypt(element_url.encode()).decode()
try:
cipher_suite = Fernet(g.session_key)
src_url = cipher_suite.decrypt(element_url.encode()).decode()
print(src_url)
except (InvalidSignature, InvalidToken) as e:
return render_template(
'error.html',
error_message=str(e)), 401
src_type = request.args.get('type')