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import os
import random
import string
UNICODE_ASCII_CHARACTER_SET = string.ascii_letters + string.digits
def generate_token(length=30, chars=UNICODE_ASCII_CHARACTER_SET):
rand = random.SystemRandom()
return "".join(rand.choice(chars) for _ in range(length))
def is_secure_transport(uri):
"""Check if the uri is over ssl."""
if os.getenv("AUTHLIB_INSECURE_TRANSPORT"):
return True
uri = uri.lower()
return uri.startswith(("https://", "http://localhost:", "http://127.0.0.1:"))
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