from flask import request, render_template, redirect, url_for, flash, g from flask_login import current_user from flask_wtf import FlaskForm from wtforms import StringField, validators from app.auth.base import auth_bp from app.auth.views.login_utils import after_login from app.config import CONNECT_WITH_PROTON from app.events.auth_event import LoginEvent from app.extensions import limiter from app.log import LOG from app.models import User from app.utils import sanitize_email, sanitize_next_url, canonicalize_email class LoginForm(FlaskForm): email = StringField("Email", validators=[validators.DataRequired()]) password = StringField("Password", validators=[validators.DataRequired()]) @auth_bp.route("/login", methods=["GET", "POST"]) @limiter.limit( "10/minute", deduct_when=lambda r: hasattr(g, "deduct_limit") and g.deduct_limit ) def login(): next_url = sanitize_next_url(request.args.get("next")) if current_user.is_authenticated: if next_url: LOG.d("user is already authenticated, redirect to %s", next_url) return redirect(next_url) else: LOG.d("user is already authenticated, redirect to dashboard") return redirect(url_for("dashboard.index")) form = LoginForm(request.form) show_resend_activation = False if form.validate_on_submit(): email = sanitize_email(form.email.data) canonical_email = canonicalize_email(email) user = User.get_by(email=email) or User.get_by(email=canonical_email) if not user or not user.check_password(form.password.data): # Trigger rate limiter g.deduct_limit = True form.password.data = None flash("Email or password incorrect", "error") LoginEvent(LoginEvent.ActionType.failed).send() elif user.disabled: flash( "Your account is disabled. Please contact SimpleLogin team to re-enable your account.", "error", ) LoginEvent(LoginEvent.ActionType.disabled_login).send() elif not user.activated: show_resend_activation = True flash( "Please check your inbox for the activation email. You can also have this email re-sent", "error", ) LoginEvent(LoginEvent.ActionType.not_activated).send() else: LoginEvent(LoginEvent.ActionType.success).send() return after_login(user, next_url) return render_template( "auth/login.html", form=form, next_url=next_url, show_resend_activation=show_resend_activation, connect_with_proton=CONNECT_WITH_PROTON, )