nopaque/app/auth/views.py

from flask import flash, redirect, render_template, request, url_for
from flask_login import current_user, login_required, login_user, logout_user
from . import auth
from .. import db
from .forms import LoginForm, PasswordResetForm, PasswordResetRequestForm, RegistrationForm
from ..email import send_email
from ..models import User


@auth.route('/login', methods=['GET', 'POST'])
def login():
    form = LoginForm()
    if form.validate_on_submit():
        user = User.query.filter_by(email=form.email.data).first()
        if user is not None and user.verify_password(form.password.data):
            login_user(user, form.remember_me.data)
            next = request.args.get('next')
            if next is None or not next.startswith('/'):
                next = url_for('main.index')
            return redirect(next)
        flash('Invalid username or password.')
    return render_template('auth/login.html.j2', form=form, title='Log in')


@auth.route('/logout')
@login_required
def logout():
    logout_user()
    flash('You have been logged out.')
    return redirect(url_for('main.index'))


@auth.route('/register', methods=['GET', 'POST'])
def register():
    if not current_user.is_anonymous:
        return redirect(url_for('main.index'))
    form = RegistrationForm()
    if form.validate_on_submit():
        user = User(email=form.email.data.lower(),
                    username=form.username.data,
                    password=form.password.data)
        db.session.add(user)
        db.session.commit()
        token = user.generate_confirmation_token()
        send_email(user.email, 'Confirm Your Account',
                   'auth/email/confirm', user=user, token=token)
        flash('A confirmation email has been sent to you by email.')
        return redirect(url_for('auth.login'))
    return render_template('auth/register.html.j2', form=form)


@auth.route('/confirm/<token>')
@login_required
def confirm(token):
    if current_user.confirmed:
        return redirect(url_for('main.index'))
    if current_user.confirm(token):
        db.session.commit()
        flash('You have confirmed your account. Thanks!')
    else:
        flash('The confirmation link is invalid or has expired.')
    return redirect(url_for('main.index'))


@auth.route('/reset', methods=['GET', 'POST'])
def password_reset_request():
    if not current_user.is_anonymous:
        return redirect(url_for('main.index'))
    form = PasswordResetRequestForm()
    if form.validate_on_submit():
        user = User.query.filter_by(email=form.email.data.lower()).first()
        if user:
            token = user.generate_reset_token()
            send_email(user.email, 'Reset Your Password',
                       'auth/email/reset_password',
                       user=user, token=token)
        flash('An email with instructions to reset your password has been '
              'sent to you.')
        return redirect(url_for('auth.login'))
    return render_template('auth/reset_password.html.j2', form=form,
                           title='Password Reset')


@auth.route('/reset/<token>', methods=['GET', 'POST'])
def password_reset(token):
    if not current_user.is_anonymous:
        return redirect(url_for('main.index'))
    form = PasswordResetForm()
    if form.validate_on_submit():
        if User.reset_password(token, form.password.data):
            db.session.commit()
            flash('Your password has been updated.')
            return redirect(url_for('auth.login'))
        else:
            return redirect(url_for('main.index'))
    return render_template('auth/reset_password.html.j2', form=form,
                           title='Password Reset')