mirror of
https://github.com/metafy-social/python-scripts.git
synced 2024-11-24 04:21:12 +00:00
95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
from flask import Flask, render_template, redirect, url_for, flash
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from flask_sqlalchemy import SQLAlchemy
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from flask_login import UserMixin, LoginManager, login_user, login_required, current_user, logout_user
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from flask_wtf import FlaskForm
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from wtforms import StringField, PasswordField, SubmitField
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from wtforms.validators import ValidationError, InputRequired, Length
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from flask_bcrypt import Bcrypt
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app = Flask(__name__)
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app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.db'
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db = SQLAlchemy(app)
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app.config['SECRET_KEY'] = 'YOUR_SECRET_KEY'
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bcrypt = Bcrypt(app)
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login_manager = LoginManager()
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login_manager.init_app(app)
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login_manager.login_view = "login"
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@login_manager.user_loader
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def load_user(user_id):
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return User.query.get(int(user_id))
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class User(db.Model, UserMixin):
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id = db.Column(db.Integer, primary_key=True)
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username = db.Column(db.String(20), nullable=False, unique=True)
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password = db.Column(db.String(80), nullable=False)
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class RegistrationForm(FlaskForm):
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username = StringField(validators=[InputRequired(), Length(min=4, max=20)], render_kw={"placeholder": "Username"})
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password = PasswordField(validators=[InputRequired(), Length(min=4, max=20)], render_kw={"placeholder": "Password"})
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submit = SubmitField("Register")
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def validate_username(self, username):
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existing_user_username = User.query.filter_by(username=username.data).first()
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if existing_user_username:
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raise ValidationError("That username already exists! Try a different one.")
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class LoginForm(FlaskForm):
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username = StringField(validators=[InputRequired(), Length(min=4, max=20)], render_kw={"placeholder": "Username"})
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password = PasswordField(validators=[InputRequired(), Length(min=4, max=20)], render_kw={"placeholder": "Password"})
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submit = SubmitField("Login")
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@app.route('/')
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def home():
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return render_template('home.html')
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@app.route('/dashboard', methods=["GET", "POST"])
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@login_required
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def dashboard():
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return render_template('dashboard.html')
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@app.route('/logout', methods=["GET", "POST"])
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@login_required
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def logout():
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logout_user()
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return redirect(url_for('login'))
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@app.route('/login', methods=["GET", "POST"])
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def login():
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if current_user.is_authenticated:
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return redirect(url_for('dashboard'))
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form = LoginForm()
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if form.validate_on_submit():
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user = User.query.filter_by(username=form.username.data).first()
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if user:
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if bcrypt.check_password_hash(user.password, form.password.data):
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login_user(user)
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return redirect(url_for('dashboard'))
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else:
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flash("Incorrect Password! Please Try again")
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else:
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flash("This email is not registered. Try Signing Up!")
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return render_template('login.html', form=form)
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@app.route('/register', methods=["GET", "POST"])
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def register():
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if current_user.is_authenticated:
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return redirect(url_for('dashboard'))
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form = RegistrationForm()
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if form.validate_on_submit():
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hashed_password = bcrypt.generate_password_hash(form.password.data)
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new_user = User(username=form.username.data, password=hashed_password)
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db.session.add(new_user)
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db.session.commit()
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return redirect(url_for('login'))
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return render_template('register.html', form=form)
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if __name__ == '__main__':
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app.run(debug=True) |