Formulaire de contact avec rate limiting simple #48

This commit is contained in:
Colin Maudry
2025-09-30 11:35:18 +02:00
parent 51c023a803
commit 79d11b326e
+170
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import os
import re
import smtplib
import time
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from dash import Input, Output, State, callback, dcc, html, register_page
from flask import request
from src.utils import meta_content
name = "Contact"
register_page(
__name__,
path="/contact",
title=meta_content["title"],
name=name,
description=meta_content["description"],
image_url=meta_content["image_url"],
order=6,
)
layout = html.Div(
className="container",
children=[
html.H2("Contact", id="contact"),
html.P(
"Votre message arrivera directement dans ma boîte mail, et je reviendrai vers vous rapidement."
),
html.Div(
[
html.Label("Votre nom"),
dcc.Input(
id="input-name",
type="text",
style={"width": "100%", "padding": "8px", "margin": "8px 0"},
),
html.Label("Votre adresse email"),
dcc.Input(
id="input-email",
type="email",
style={"width": "100%", "padding": "8px", "margin": "8px 0"},
),
html.Label("Message"),
dcc.Textarea(
id="input-message",
style={
"width": "100%",
"height": 200,
"padding": "8px",
"margin": "8px 0",
},
),
html.Button(
"Envoyer ",
id="submit-button",
n_clicks=0,
style={"marginTop": "10px"},
),
html.Div(
id="output-message", style={"marginTop": "10px", "color": "green"}
),
],
style={
"maxWidth": "600px",
"margin": "auto",
"padding": "20px",
"lineHeight": "20px",
},
),
dcc.Markdown("""
- Bluesky : [@col1m.bsky.social](https://bsky.app/profile/col1m.bsky.social)
- Mastodon : [col1m@mamot.fr](https://mamot.fr/@col1m)
- LinkedIn : [colinmaudry](https://www.linkedin.com/in/colinmaudry/)
- venez discuter de la transparence de la commande publique [sur le forum teamopendata.org](https://teamopendata.org/c/commande-publique/101)
"""),
],
)
rate_limit_store = {} # {ip: last_timestamp}
RATE_LIMIT_WINDOW = 300 # 5 minutes
def is_rate_limited():
ip = request.remote_addr
now = time.time()
last_time = rate_limit_store.get(ip)
if last_time and (now - last_time) < RATE_LIMIT_WINDOW:
return True # rate limited !
rate_limit_store[ip] = now # màj du timestamp
return False
def sanitize_email(email):
return re.match(r"[^@]+@[^@]+\.[^@]+", email)
@callback(
Output("output-message", "children"),
Input("submit-button", "n_clicks"),
State("input-name", "value"),
State("input-email", "value"),
State("input-message", "value"),
prevent_initial_call=True,
)
def send_email(n_clicks, form_name, form_email, form_message):
if not all([form_name, form_email, form_message]):
return html.Div(
"Veuillez s'il vous plaît remplir tous les champs.", style={"color": "red"}
)
client_ip = request.remote_addr
if is_rate_limited():
wait_time = int(RATE_LIMIT_WINDOW - (time.time() - rate_limit_store[client_ip]))
return html.Div(
f"⏳ J'ai mis en place une protection contre le spam, et vous m'avez écrit il y a moins de 5 minutes. "
f"Veuillez s'il vous plaît attendre {wait_time} secondes avant de renvoyer un message.",
style={"color": "black"},
)
try:
# Configuration du serveur SMTP
smtp_server = os.getenv("SENDER_SERVER_DOMAIN")
smtp_port = 587
login_email = os.getenv("LOGIN_EMAIL")
from_email = os.getenv("FROM_EMAIL")
to_email = os.getenv("TO_EMAIL", from_email)
login_password = os.getenv("LOGIN_PASSWORD")
print(
smtp_server,
smtp_port,
login_email,
from_email,
to_email,
login_password,
sep="\n",
)
# Création de l'email
email = MIMEMultipart()
email["From"] = from_email
email["To"] = to_email
email["Subject"] = f"[decp.info] Message de {form_name}"
body = f"""
Nom : {form_name}
Email : {form_email}
Message :
{form_message}
"""
email.attach(MIMEText(body, "plain"))
# Send email
server = smtplib.SMTP(smtp_server, smtp_port)
server.starttls()
server.login(login_email, login_password)
server.sendmail(from_email, to_email, email.as_string())
server.quit()
return html.Div("✅ Envoi réussi", style={"color": "green"})
except Exception as e:
print(e)
return html.Div(
f"❌ Échec de l'envoi du message : {str(e)}", style={"color": "red"}
)