sign in system pretty much
This commit is contained in:
ralphi3
@@ -1,4 +1,6 @@
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from flask import Flask, render_template, redirect, request, url_for
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from functools import wraps
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from flask import Flask, render_template, redirect, request, url_for, session, flash
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from flask_sqlalchemy import SQLAlchemy
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from werkzeug.security import generate_password_hash, check_password_hash
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@@ -19,6 +21,16 @@ with app.app_context():
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db.create_all()
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def login_required(view_func):
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@wraps(view_func)
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def wrapped(*args, **kwargs):
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if 'user_id' not in session:
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flash('Please sign in to view that page.')
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return redirect(url_for('signin'))
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return view_func(*args, **kwargs)
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return wrapped
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@app.route('/submit-form', methods=['POST'])
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def handle_submission():
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form_username = request.form.get('username')
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@@ -41,15 +53,15 @@ def handle_submission():
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@app.route('/users')
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@login_required
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def view_users():
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all_users = User.query.all()
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html_output = "<h2>Registered Accounts</h2><table border='1' cellpadding='10'>"
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html_output += "<tr><th>ID</th><th>Username</th><th>Email</th></tr>"
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for user in all_users:
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html_output += f"<tr><td>{user.id}</td><td>{user.username}</td><td>{user.email}</td><td>{user.password_hash}</td></tr>"
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html_output += f"<tr><td>{user.id}</td><td>{user.username}</td><td>{user.email}</td></tr>"
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html_output += "</table>"
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@@ -71,15 +83,36 @@ def bivariate():
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def about():
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return render_template('about.html')
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@app.route('/signin')
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@app.route('/signin', methods=['GET', 'POST'])
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def signin():
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if request.method == 'POST':
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form_username = request.form.get('username')
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form_password = request.form.get('password')
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user = User.query.filter_by(username=form_username).first()
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if user is None or not check_password_hash(user.password_hash, form_password):
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flash('Incorrect username or password.')
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return render_template('signin.html'), 401
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session['user_id'] = user.id
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session['username'] = user.username
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return redirect(url_for('home'))
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return render_template('signin.html')
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@app.route('/logout')
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def logout():
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session.clear()
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return redirect(url_for('home'))
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@app.route('/signup')
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def signup():
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return render_template('signup.html')
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@app.route('/all_users')
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@login_required
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def all_users():
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return render_template('all_users.html')
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Binary file not shown.
@@ -63,3 +63,17 @@ image {
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border-width: 2px;
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border-style: groove;
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}
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.flash-messages {
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list-style-type: none;
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margin: 0 0 16px 0;
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padding: 0;
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}
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.flash-messages li {
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background-color: #fee2e2;
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color: #991b1b;
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padding: 10px 14px;
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border-radius: 4px;
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margin-bottom: 8px;
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}
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+6
-2
@@ -9,11 +9,15 @@
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<body>
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<ul class="navbar">
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<li><a href="{{ url_for('home') }}">Home</a></li>
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<li><a href="{{ url_for('bivariate') }}">Bivariate Data</a></li>
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<li><a href="{{ url_for('about') }}">About</a></li>
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<li><a href="{{ url_for('all_users') }}">all_users</a></li>
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{% if session.user_id %}
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<li><a href="{{ url_for('bivariate') }}">Bivariate Data</a></li>
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<li style="margin-left: auto; color: white; margin-top: 14px; margin-left: 900px;">Hi, {{ session.username }}</li>
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<li style="margin-left: 20px;"><a href="{{ url_for('logout') }}">Sign Out</a></li>
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{% else %}
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<li style="margin-left: auto;"><a href="{{ url_for('signup') }}">Sign Up</a></li>
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<li style="margin-left:0px"><a href="{{ url_for('signin') }}">Sign In</a></li>
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{% endif %}
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</ul>
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<main>
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{% block content %}{% endblock %}
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@@ -5,6 +5,8 @@
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<h1>homepage for math website wow</h1>
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<h2>If you want to access the math topics on this website you must be signed into a account</h2>
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</div>
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+22
-8
@@ -1,13 +1,27 @@
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{% extends 'base.html' %}
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{% block content %}
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="style.css">
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</head>
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<body>
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<h1>Sign in page with sql database</h1>
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</body>
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<h1>Sign in</h1>
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{% with messages = get_flashed_messages() %}
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{% if messages %}
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<ul class="flash-messages">
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{% for message in messages %}
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<li>{{ message }}</li>
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{% endfor %}
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</ul>
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{% endif %}
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{% endwith %}
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<form action="{{ url_for('signin') }}" method="POST">
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<label for="username">Username:</label>
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<input type="text" id="username" name="username" required><br><br>
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<label for="password">Password:</label>
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<input type="password" id="password" name="password" required><br><br>
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<button type="submit">Sign In</button>
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</form>
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<p>Don't have an account? <a href="{{ url_for('signup') }}">Sign up</a></p>
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{% endblock %}
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