Supermart/app.py at main · Sandesh028/Supermart · GitHub

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from flask import Flask, request, render_template, render_template_string
import sqlite3
app = Flask(__name__)

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

@app.route('/products')
def products():
    query = request.args.get('query', '')
    # The following line creates the XSS vulnerability
    # by directly embedding user input into the HTML response
    return render_template_string(f'''
    <!DOCTYPE html>
    <html>
    <head>
      <title>Supermart Products</title>
      <link rel="stylesheet" type="text/css" href="{{{{ url_for('static', filename='style.css') }}}}">
    </head>
    <body>
<header>
<h1>Our Products</h1>
    <nav>
      <ul>
        <li><a href="index.html">Home</a></li>
        <li><a href="products">Products</a></li>
        <li><a href="login">Login</a></li>
        <li><a href="contact">Contact</a></li>
      </ul>
    </nav>
  </header>

      <!-- The rest of your HTML content here, similar to newxss.py -->
      <!-- Make sure to update static file paths with url_for -->
      <form method="GET">
          <label for="query">Search:</label>
          <input type="text" id="query" name="query" value="{query}">
          <input type="submit" value="Search">
      </form>
      <p>You searched for: {query}</p>
 <div id="searchResults"></div>

    <div class="filter-options">
      <button onclick="sortProducts()">Sort by Price</button>
      </div>

    <div class="product-gallery">
      <div class="product-item">
        <p>Apple Watch Series 9 GPS 41mm Silver Aluminum Case with Storm Blue Sport Band - S/M</p>
        <img src="{{{{ url_for('static', filename='iphone.jpeg') }}}}" alt="Product 1" style="width:450px; height:250px;">
        <p>Price: $450 <span class="discount">Discount: 20%</span></p>
        <button onclick="addToCart(this)">Add to Cart</button>
        <button onclick="buyNow(this)">Buy Now</button>
      </div>
      <div class="product-item">
        <p>Samsung Galaxy S23 Ultra 5G Dual S918B 256GB 8GB RAM GSM Unlocked – Black</p>
        <img src="{{{{ url_for('static', filename='samsung.jpeg') }}}}" alt="Product 1" style="width:300px; height:200px;">
        <p>Price: $150 <span class="discount">Discount: 15%</span></p>
        <button onclick="addToCart(this)">Add to Cart</button>
        <button onclick="buyNow(this)">Buy Now</button>
      </div>
      </div>
  </main>

  <footer>
    <p>&copy; 2023 Supermart</p>
  </footer>
    </body>
    </html>
    ''')

@app.route('/about')
def about():
    return render_template('about.html')


@app.route('/contact')
def contact():
    query = request.args.get('query', '')
    # The following line creates the SSTI vulnerability
    # by directly embedding user input into the HTML response
    return render_template_string(f'''
    <!DOCTYPE html>
    <html>
    <head>
      <title>Walmart Products</title>
      <link rel="stylesheet" type="text/css" href="{{{{ url_for('static', filename='style.css') }}}}">

    </head>
    <body>
<header>
    <h1>Contact Us!</h1>
    <nav>
      <ul>
        <li><a href="index.html">Home</a></li>
        <li><a href="products">Products</a></li>
        <li><a href="login">Login</a></li>
        <li><a href="contact">Contact</a></li>
      </ul>
    </nav>
  </header>
<form>
            <div class="form-group">
                <label for="email">Email address:</label>
                <input type="email" class="form-control" id="email" placeholder="email@example.com">
            </div>
            <div class="form-group">
                <label for="phone">Phone:</label>
                <input type="tel" class="form-control" id="phone" placeholder="+1 234 567 890">
            </div>
        </form>
<form method="GET">
          <label for="query">Feedback:</label>
          <input type="text" id="query" name="query" value="{query}">
          <input type="submit" value="Submit">
      </form>

 <div id="searchResults"></div>

</body>
</html>
     ''')

@app.route('/login', methods=['GET', 'POST'])
def login():
    message = ''
    if request.method == 'POST':
        username = request.form['username']
        password = request.form['password']

        connection = sqlite3.connect('database.db')
        cursor = connection.cursor()

        # Vulnerable SQL query
        query = f"SELECT * FROM users WHERE username='{username}' AND password='{password}'"
        cursor.execute(query)
        result = cursor.fetchone()

        if result:
            message = 'Logged in successfully'
        else:
            message = 'Invalid credentials'
        connection.close()
    return render_template('login.html', message=message)


if __name__ == '__main__':
    app.run(debug=True)