104 lines
2.9 KiB
Python
104 lines
2.9 KiB
Python
from flask import Blueprint, render_template, redirect
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from flask_wtf import FlaskForm
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from wtforms import StringField, PasswordField, SubmitField
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from wtforms.validators import DataRequired, Email, EqualTo, Length, Optional
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from flask_login import LoginManager, login_user, logout_user
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import sqlalchemy.exc
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from .db import db, User
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blueprint = Blueprint('auth', __name__)
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login_manager = LoginManager()
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def init_app(app):
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login_manager.init_app(app)
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@login_manager.user_loader
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def loader(id):
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return User.query.filter_by(id=id).first()
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class SignupForm(FlaskForm):
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username = StringField(
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'Username',
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validators=[DataRequired(), Length(min=2), Length(max=64)]
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)
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password = PasswordField(
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'Password',
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validators=[
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Length(
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min=8, message='The password needs to be at least 8 characters long'),
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DataRequired()
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]
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)
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confirm = PasswordField(
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'Confirm password',
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validators=[
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DataRequired(),
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EqualTo('password', message='Passwords do not match')
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]
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)
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submit = SubmitField('Register')
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class LoginForm(FlaskForm):
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username = StringField(
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'Username',
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validators=[DataRequired()]
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)
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password = PasswordField(
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'Password',
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validators=[DataRequired()]
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)
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submit = SubmitField('Log in')
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class LogoutForm(FlaskForm):
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submit = SubmitField('Log out')
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@blueprint.route('/register', methods=['GET', 'POST'])
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def register():
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form = SignupForm()
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if form.validate_on_submit():
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user = User(username=form.username.data)
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user.set_password(form.password.data)
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try:
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db.session.add(user)
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db.session.commit()
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except sqlalchemy.exc.IntegrityError as e:
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db.session.rollback()
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if "UNIQUE" in str(e):
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form.username.errors.append('Username already taken.')
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return render_template('auth/register.html', form=form)
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else:
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raise
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login_user(user)
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return redirect('/')
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return render_template('auth/register.html', form=form)
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@blueprint.route('/login', methods=['GET', 'POST'])
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def login():
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form = LoginForm()
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if form.validate_on_submit():
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user = User.query.filter_by(username=form.username.data).first()
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if user is not None and user.check_password(form.password.data):
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login_user(user, remember=True)
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return redirect('/')
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else:
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form.password.errors.append('Invalid username or password.')
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return redirect('/')
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return render_template('auth/login.html', form=form)
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@blueprint.route('/logout', methods=['GET', 'POST'])
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def logout():
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form = LogoutForm()
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if form.validate_on_submit():
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logout_user()
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return redirect('/')
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return render_template('auth/logout.html', form=form)
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