auth.py

from flask import Blueprint, render_template, request, flash, redirect, url_for
from werkzeug.security import generate_password_hash, check_password_hash
from flask_login import login_user, login_required, logout_user, current_user
from datetime import timedelta

from database import db_session
from models import User
import data.serverConfig as config

auth = Blueprint('auth', __name__)


@auth.route('/login', methods=['GET', 'POST'])
def login():
    if request.method == 'POST':
        email = request.form.get('email')
        password = request.form.get('password')
        remember = True if request.form.get('remember') != None else False
        user = User.query.filter_by(email=email).first()
        if user:
            if check_password_hash(user.password, password):
                login_user(user, remember=remember, duration=timedelta(minutes=30))
                return redirect(url_for('views.index'))
            else:
                flash('Contraseña incorrecta.', category='error')
        else:
            flash('El email especificado no está registrado.', category='error')

    return render_template("./login.html", user=current_user, TITLE=config.TITLE)


@auth.route('/logout')
@login_required
def logout():
    logout_user()
    return redirect(url_for('auth.login'))


@auth.route('/sign-up', methods=['GET', 'POST'])
def sign_up():
    if request.method == 'POST':
        email = request.form.get('email')
        username = request.form.get('username')
        password1 = request.form.get('password1')
        password2 = request.form.get('password2')

        user = User.query.filter_by(email=email).first()
        if user:
            flash('Email already exists.', category='error')
        elif len(email) < 4:
            flash('Email must be greater than 3 characters.', category='error')
        elif len(username) < 2:
            flash('First name must be greater than 1 character.', category='error')
        elif password1 != password2:
            flash('Passwords don\'t match.', category='error')
        elif len(password1) < 7:
            flash('Password must be at least 7 characters.', category='error')
        else:
            new_user = User(email=email, username=username, password=generate_password_hash(
                password1, method='sha256'))
            db_session.add(new_user)
            db_session.commit()
            login_user(new_user, remember=True)
            flash('Account created!', category='success')
            return redirect(url_for('views.index'))

    return render_template("newUser.html")