Snippet library

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3 snippets

python

Generate a secure random token

Use the secrets module (never random) for passwords, tokens and reset links.

import secrets
import string

reset_token = secrets.token_urlsafe(32)          # for links: /reset/<token>
api_key = "pk_" + secrets.token_hex(24)

beginner #security#secrets#auth

flask

Login-required decorator for JSON routes

Answer 401 JSON instead of redirecting to the login page.

from functools import wraps
from flask import jsonify
from flask_login import current_user

intermediate #auth#decorators#api

flask

Signed, expiring links

Make email-verification or reset links that expire, without a database table.

from itsdangerous import URLSafeTimedSerializer, BadSignature, SignatureExpired

serializer = URLSafeTimedSerializer(app.config["SECRET_KEY"], salt="email-verify")

intermediate #auth#email#tokens

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Snippet library

Generate a secure random token

Login-required decorator for JSON routes

Signed, expiring links