├── README.md
├── app.py
├── dashboard.png
├── instance
└── database.db
├── login.png
├── register.png
├── requirements.txt
└── templates
├── dashboard.html
├── index.html
├── login.html
└── register.html
/README.md:
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1 | # flask-authentication-system
2 |
3 |
4 | # Login page
5 | 
6 |
7 |
8 | # Register page
9 | 
10 |
11 |
12 | # Dashboard page
13 | 
14 |
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/app.py:
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1 | from flask import Flask, request,render_template, redirect,session
2 | from flask_sqlalchemy import SQLAlchemy
3 | import bcrypt
4 |
5 | app = Flask(__name__)
6 | app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.db'
7 | db = SQLAlchemy(app)
8 | app.secret_key = 'secret_key'
9 |
10 | class User(db.Model):
11 | id = db.Column(db.Integer, primary_key=True)
12 | name = db.Column(db.String(100), nullable=False)
13 | email = db.Column(db.String(100), unique=True)
14 | password = db.Column(db.String(100))
15 |
16 | def __init__(self,email,password,name):
17 | self.name = name
18 | self.email = email
19 | self.password = bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt()).decode('utf-8')
20 |
21 | def check_password(self,password):
22 | return bcrypt.checkpw(password.encode('utf-8'),self.password.encode('utf-8'))
23 |
24 | with app.app_context():
25 | db.create_all()
26 |
27 |
28 | @app.route('/')
29 | def index():
30 | return render_template('index.html')
31 |
32 | @app.route('/register',methods=['GET','POST'])
33 | def register():
34 | if request.method == 'POST':
35 | # handle request
36 | name = request.form['name']
37 | email = request.form['email']
38 | password = request.form['password']
39 |
40 | new_user = User(name=name,email=email,password=password)
41 | db.session.add(new_user)
42 | db.session.commit()
43 | return redirect('/login')
44 |
45 |
46 |
47 | return render_template('register.html')
48 |
49 | @app.route('/login',methods=['GET','POST'])
50 | def login():
51 | if request.method == 'POST':
52 | email = request.form['email']
53 | password = request.form['password']
54 |
55 | user = User.query.filter_by(email=email).first()
56 |
57 | if user and user.check_password(password):
58 | session['email'] = user.email
59 | return redirect('/dashboard')
60 | else:
61 | return render_template('login.html',error='Invalid user')
62 |
63 | return render_template('login.html')
64 |
65 |
66 | @app.route('/dashboard')
67 | def dashboard():
68 | if session['email']:
69 | user = User.query.filter_by(email=session['email']).first()
70 | return render_template('dashboard.html',user=user)
71 |
72 | return redirect('/login')
73 |
74 | @app.route('/logout')
75 | def logout():
76 | session.pop('email',None)
77 | return redirect('/login')
78 |
79 | if __name__ == '__main__':
80 | app.run(debug=True)
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/dashboard.png:
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https://raw.githubusercontent.com/kritimyantra/flask-authentication-system/27e872f5476ffdf68f0dc71c9ba3d1180d435786/dashboard.png
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/instance/database.db:
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https://raw.githubusercontent.com/kritimyantra/flask-authentication-system/27e872f5476ffdf68f0dc71c9ba3d1180d435786/instance/database.db
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/login.png:
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https://raw.githubusercontent.com/kritimyantra/flask-authentication-system/27e872f5476ffdf68f0dc71c9ba3d1180d435786/login.png
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/register.png:
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https://raw.githubusercontent.com/kritimyantra/flask-authentication-system/27e872f5476ffdf68f0dc71c9ba3d1180d435786/register.png
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/requirements.txt:
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https://raw.githubusercontent.com/kritimyantra/flask-authentication-system/27e872f5476ffdf68f0dc71c9ba3d1180d435786/requirements.txt
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/templates/dashboard.html:
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1 |
2 |
3 |
4 | Login page
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
user dashboard
18 |
Name: {{user.name }}
19 |
Email: {{user.email }}
20 |
Logout
21 |
22 |
23 |
24 |
25 |
15 |
16 |
17 |
Login form
18 |
31 |
32 |
33 |
34 |
35 |
15 |
16 |
17 |
Register form
18 |
37 |
38 |
39 |
40 |