1. from flask import Flask
2. from flask import session
3. from flask import request
4. from flask import json
5. from flask import render_template
6. from flask import redirect
7. from flask import session
8. from flask import url_for
9. import uuid
10. import redis
11. r = redis.Redis()
12. sid = str(uuid.uuid4())
13.  
14. user = {"users": [{"password": "Sikorski", "username": "Andrzej"}, {"password": "asdfg", "username": "admin"}]}
15. rval = json.dumps(user)
16. r.set('user1', rval)
17.  
18. app = Flask(__name__)
19. app.secret_key = b'0293jr i(UHoiawu hft923'
20. print('SID: '+sid)
21.  
22. @app.route('/sikorska/webapp')
23. def home():
24.     if 'username' in session:
25.         return "OK"
26.        # return render_template('upload.html')
27.     return redirect(url_for('login'))
28.  
29.  
30. @app.route('/sikorska/webapp/login', methods=['GET', 'POST'])
31. def login():
32.     if 'username' in session:
33.         return redirect(url_for('home'))
34.     error = None
35.     if request.method == 'POST':
36.         if login_check(request.form['username'], request.form['password']):
37.             session['username'] = request.form['username']
38.            # session['uuid'] = uuid.uuid4()
39.             return redirect(url_for('home'))
40.         else:
41.             error = "Invalid Credentials. Please try again."
42.     return render_template('loginpg.html', error=error)
43.  
44.  
45. @app.route('/sikorska/webapp/logout')
46. def logout():
47.     session.pop('username', None)
48.    #session['uuid'] = None
49.     return redirect(url_for('login'))
50.  
51.  
52. def login_check(username, password):
53.     data = r.get('user1')
54.     result = json.loads(data)
55.     for row in result['users']:
56.         if row['username'] == username:
57.             if row['password'] == password:
58.                 return True
59.     return False
60.  
61.