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from flask import render_template, redirect, url_for, flash, request
from urllib.parse import urlsplit
from flask_login import login_user, logout_user, current_user
from flask_babel import _
import sqlalchemy as sa
from app import db
from app.auth import bp
from app.auth.forms import LoginForm, RegistrationForm, \
ResetPasswordRequestForm, ResetPasswordForm
from app.models import User
from app.auth.email import send_password_reset_email
@bp.route('/login', methods=['GET', 'POST'])
def login():
if current_user.is_authenticated:
return redirect(url_for('main.index'))
form = LoginForm()
if form.validate_on_submit():
user = db.session.scalar(
sa.select(User).where(User.username == form.username.data))
if user is None or not user.check_password(form.password.data):
flash(_('Invalid username or password'))
return redirect(url_for('auth.login'))
login_user(user, remember=form.remember_me.data)
next_page = request.args.get('next')
if not next_page or urlsplit(next_page).netloc != '':
next_page = url_for('main.index')
return redirect(next_page)
return render_template('auth/login.html', title=_('Sign In'), form=form)
@bp.route('/logout')
def logout():
logout_user()
return redirect(url_for('main.index'))
@bp.route('/register', methods=['GET', 'POST'])
def register():
if current_user.is_authenticated:
return redirect(url_for('main.index'))
form = RegistrationForm()
if form.validate_on_submit():
user = User(username=form.username.data, email=form.email.data)
user.set_password(form.password.data)
db.session.add(user)
db.session.commit()
flash(_('Congratulations, you are now a registered user!'))
return redirect(url_for('auth.login'))
return render_template('auth/register.html', title=_('Register'),
form=form)
@bp.route('/reset_password_request', methods=['GET', 'POST'])
def reset_password_request():
if current_user.is_authenticated:
return redirect(url_for('main.index'))
form = ResetPasswordRequestForm()
if form.validate_on_submit():
user = db.session.scalar(
sa.select(User).where(User.email == form.email.data))
if user:
send_password_reset_email(user)
flash(
_('Check your email for the instructions to reset your password'))
return redirect(url_for('auth.login'))
return render_template('auth/reset_password_request.html',
title=_('Reset Password'), form=form)
@bp.route('/reset_password/<token>', methods=['GET', 'POST'])
def reset_password(token):
if current_user.is_authenticated:
return redirect(url_for('main.index'))
user = User.verify_reset_password_token(token)
if not user:
return redirect(url_for('main.index'))
form = ResetPasswordForm()
if form.validate_on_submit():
user.set_password(form.password.data)
db.session.commit()
flash(_('Your password has been reset.'))
return redirect(url_for('auth.login'))
return render_template('auth/reset_password.html', form=form)
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