57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
from flask import Blueprint, flash, redirect, render_template, request, session, url_for
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from sqlalchemy import text
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from werkzeug.security import check_password_hash
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from app import db
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auth_bp = Blueprint("auth", __name__)
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@auth_bp.route("/", methods=["GET", "POST"])
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def index():
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if "user_id" in session:
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return redirect(url_for("menu.menu"))
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if "login_attempts" not in session:
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session["login_attempts"] = 0
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if request.method == "POST":
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user_login = request.form.get("login")
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user_pass = request.form.get("pass")
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query = text(
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"SELECT id, pass AS user_pass, nom, prenom FROM login "
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"WHERE login = :login AND actif = 1"
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)
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result = db.session.execute(query, {"login": user_login}).fetchone()
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if result and check_password_hash(result.user_pass, user_pass):
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# Régénération de session : protection contre la fixation de session
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session.clear()
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session["user_id"] = result.id
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session["user_name"] = f"{result.prenom} {result.nom}"
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session["login_attempts"] = 0
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return redirect(url_for("menu.menu"))
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else:
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session["login_attempts"] += 1
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essais = session["login_attempts"]
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if essais >= 3:
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session["login_attempts"] = 0
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flash(
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"Trop de tentatives. Réessayez dans quelques instants.",
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"danger",
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)
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else:
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flash(
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f"Identifiant ou mot de passe incorrect. "
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f"Il vous reste {3 - essais} essai(s).",
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"danger",
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)
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return render_template("index.html")
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@auth_bp.route("/logout")
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def logout():
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session.clear()
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return redirect(url_for("auth.index")) |