views.py 文件源码

def login():
    """Logs the user in."""
    if current_user is not None and current_user.is_authenticated:
        return redirect_or_next(url_for("forum.index"))

    current_limit = getattr(g, 'view_rate_limit', None)
    login_recaptcha = False
    if current_limit is not None:
        window_stats = limiter.limiter.get_window_stats(*current_limit)
        stats_diff = flaskbb_config["AUTH_REQUESTS"] - window_stats[1]
        login_recaptcha = stats_diff >= flaskbb_config["LOGIN_RECAPTCHA"]

    form = LoginForm(request.form)
    if form.validate_on_submit():
        try:
            user = User.authenticate(form.login.data, form.password.data)
            login_user(user, remember=form.remember_me.data)
            return redirect_or_next(url_for("forum.index"))
        except AuthenticationError:
            flash(_("Wrong username or password."), "danger")

    return render_template("auth/login.html", form=form,
                           login_recaptcha=login_recaptcha)