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Snippet pronti e testati per Python, Flask, JavaScript, SQL, HTML, CSS e Bash. Aprili nel playground.

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3 snippet

flask

Safe file upload

Check the extension, size and filename before saving an upload.

import os
import uuid
from flask import request, abort
from werkzeug.utils import secure_filename

intermediate #uploads#security#files

flask

Rate limit a route

Stop brute-force attempts with Flask-Limiter.

from flask_limiter import Limiter
from flask_limiter.util import get_remote_address

limiter = Limiter(key_func=get_remote_address, storage_uri="memory://")   # use redis:// in production
limiter.init_app(app)

beginner #security#rate-limit#login

flask

Send CSRF token with fetch

Put the token in a meta tag and send it as X-CSRFToken from JavaScript.

# base.html
# <meta name="csrf-token" content="{{ csrf_token() }}">

# app.py
from flask_wtf import CSRFProtect

beginner #csrf#security#javascript

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Libreria di snippet

Safe file upload

Rate limit a route

Send CSRF token with fetch