appOld.py

from flask import Flask, redirect, url_for, render_template, request, session, send_from_directory
from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
import os

app = Flask(__name__)
app.secret_key = os.urandom(24)

login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'

@login_manager.user_loader
def load_user(user_id):
    return User.get(user_id)


class User(UserMixin):
    users = {
        os.environ.get('username'): {'password': os.environ.get('password')}
    }

    def __init__(self, username):
        self.id = username

    @classmethod
    def get(cls, id):
        if id in cls.users:
            return cls(id)
        return None

@app.route('/login', methods=['GET', 'POST'])
def login():
    if request.method == 'POST':
        username = request.form['username']
        password = request.form['password']
        if username in User.users and User.users[username]['password'] == password:
            user = User(username)
            login_user(user)
            return redirect(url_for('home'))
        else:
            return 'Invalid username or password'
    return render_template('login.html')

@app.route('/')
@login_required
def home():
    return render_template('index.html')

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

@app.route('/css/<path:filename>')
@login_required
def send_css(filename):
    return send_from_directory(os.path.join('static', 'css'), filename)

@app.route('/data/<path:filename>')
@login_required
def send_data(filename):
    return send_from_directory(os.path.join('static', 'data'), filename)

@app.route('/js/<path:filename>')
@login_required
def send_js(filename):
    return send_from_directory(os.path.join('static', 'js'), filename)

@app.route('/legend/<path:filename>')
@login_required
def send_legend(filename):
    return send_from_directory(os.path.join('static', 'legend'), filename)

@app.route('/webfonts/<path:filename>')
@login_required
def send_webfonts(filename):
    return send_from_directory(os.path.join('static', 'webfonts'), filename)

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080)