old_contents: """This module sets up the paths for the Flask web application."""
  import os
  import utils
  from Crypto import Random
  from flask import Flask, render_template, request, redirect, url_for
  from note import Note
  
  DNOTE = Flask(__name__)
  HERE = DNOTE.root_path
  
  @DNOTE.route('/', methods=['GET'])
  def index():
      """Return the index.html for the main application."""
      error = request.args.get('error', None)
      note = Note()
      return render_template('index.html', random=note.url, error=error)
  
  @DNOTE.route('/security/', methods=['GET'])
  def security():
      """Return the index.html for the security page."""
      return render_template('security.html')
  
  @DNOTE.route('/faq/', methods=['GET'])
  def faq():
      """Return the index.html for the faq page."""
      return render_template('faq.html')
  
  @DNOTE.route('/about/', methods=['GET'])
  def about():
      """Return the index.html for the about page."""
      return render_template('about.html')
  
  @DNOTE.route('/post', methods=['POST'])
  def show_post():
      """Return the random URL after posting the plaintext."""
      new_url = request.form["new_url"]
      note = Note(new_url)
      note.plaintext = request.form['paste']
  
      passphrase = request.form.get('pass', False)
      token = request.form['hashcash']
  
      if not utils.verify_hashcash(token):
          return redirect(url_for('index', error='hashcash'))
  
      if passphrase:
          note.set_passphrase(passphrase)
          note.encrypt()
          note.duress_key()
          return render_template('post.html', random=note.url,
                                 passphrase=note.passphrase, duress=note.dkey)
      else:
          note.encrypt()
          return render_template('post.html', random=note.url)
  
  @DNOTE.route('/<random_url>', methods=['POST', 'GET'])
  def fetch_url(random_url):
      """Return the decrypted note. Begin short destruction timer.
  
      Keyword arguments:
      random_url -- Random URL representing the encrypted note."""
  
      note = Note(random_url)
  
      if not note.exists():
          return render_template('404.html'), 404
      elif not note.decrypt() and request.method !='POST':
          return render_template('key.html', random = note.url)
      elif request.method == 'POST':
          passphrase = request.form['pass']
          note.set_passphrase(passphrase)
          if passphrase == note.dkey:
              note.secure_remove()
              return render_template('note.html', text = utils.duress_text())
      if note.decrypt():
          note.secure_remove()
          return render_template('note.html', text = note.plaintext)
      else:
          return render_template('keyerror.html', random = note.url)
  
  if __name__ == '__main__':
      DNOTE.debug = True
      #cleanup_unread()
      DNOTE.run()
  
new_contents: """This module sets up the paths for the Flask web application."""
  import os
  import utils
  from Crypto import Random
  from flask import Flask, render_template, request, redirect, url_for
  from note import Note
  
  DNOTE = Flask(__name__)
  HERE = DNOTE.root_path
  
  @DNOTE.route('/', methods=['GET'])
  def index():
      """Return the index.html for the main application."""
      error = request.args.get('error', None)
      note = Note()
      return render_template('index.html', random=note.url, error=error)
  
  @DNOTE.route('/security/', methods=['GET'])
  def security():
      """Return the index.html for the security page."""
      return render_template('security.html')
  
  @DNOTE.route('/faq/', methods=['GET'])
  def faq():
      """Return the index.html for the faq page."""
      return render_template('faq.html')
  
  @DNOTE.route('/about/', methods=['GET'])
  def about():
      """Return the index.html for the about page."""
      return render_template('about.html')
  
  @DNOTE.route('/post', methods=['POST'])
  def show_post():
      """Return the random URL after posting the plaintext."""
      new_url = request.form["new_url"]
      note = Note(new_url)
      note.plaintext = request.form['paste']
  
      passphrase = request.form.get('pass', False)
      token = request.form['hashcash']
  
      if not utils.verify_hashcash(token):
          return redirect(url_for('index', error='hashcash'))
  
      if passphrase:
          note.set_passphrase(passphrase)
          note.encrypt()
          note.duress_key()
          return render_template('post.html', random=note.url,
                                 passphrase=note.passphrase, duress=note.dkey)
      else:
          note.encrypt()
          return render_template('post.html', random=note.url)
  
  @DNOTE.route('/<random_url>', methods=['POST', 'GET'])
  def fetch_url(random_url):
      """Return the decrypted note. Begin short destruction timer.
  
      Keyword arguments:
      random_url -- Random URL representing the encrypted note."""
  
      note = Note(random_url)
  
      if not note.exists():
          return render_template('404.html'), 404
      elif not note.decrypt() and request.method !='POST':
          return render_template('key.html', random = note.url)
      elif request.method == 'POST':
          passphrase = request.form['pass']
          note.set_passphrase(passphrase)
          if passphrase == note.dkey:
              note.secure_remove()
              return render_template('note.html', text = utils.duress_text())
      if note.decrypt():
          note.secure_remove()
          return render_template('note.html', text = note.plaintext)
      else:
          return render_template('keyerror.html', random = note.url)
  
  if __name__ == '__main__':
      DNOTE.debug = True
      DNOTE.run()
  
subject: remove cleanup_unread() function from __main__