commit 9e65eb55eb80961fb4f4d1d7e38fcf72fc4ad809
Author: ada <>
Date: Mon Oct 23 13:03:55 2023 +0200
strictly files
diff --git a/__init__.py b/__init__.py
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+++ b/__init__.py
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+# init.py
+
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from flask_login import LoginManager
+
+# init SQLAlchemy so we can use it later in our models
+db = SQLAlchemy()
+
+def create_app():
+ app = Flask(__name__)
+
+ app.config['SECRET_KEY'] = '9OLWxND4o83j4K4iuopO'
+ app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///db.sqlite'
+
+ db.init_app(app)
+
+ login_manager = LoginManager()
+ login_manager.login_view = 'auth.login'
+ login_manager.init_app(app)
+
+ from .models import User
+
+ @login_manager.user_loader
+ def load_user(user_id):
+ # since the user_id is just the primary key of our user table, use it in the query for the user
+ return User.query.get(int(user_id))
+
+ # blueprint for auth routes in our app
+ from .auth import auth as auth_blueprint
+ app.register_blueprint(auth_blueprint)
+
+ # blueprint for non-auth parts of app
+ from .main import main as main_blueprint
+ app.register_blueprint(main_blueprint)
+
+ return app
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diff --git a/auth.py b/auth.py
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+++ b/auth.py
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+# auth.py
+
+from flask import Blueprint, render_template, redirect, url_for, request, flash
+from werkzeug.security import generate_password_hash, check_password_hash
+from flask_login import login_user, logout_user, login_required
+from .models import User
+from . import db
+
+auth = Blueprint('auth', __name__)
+
+@auth.route('/login')
+def login():
+ return render_template('login.html')
+
+@auth.route('/login', methods=['POST'])
+def login_post():
+ email = request.form.get('email')
+ password = request.form.get('password')
+ remember = True if request.form.get('remember') else False
+
+ user = User.query.filter_by(email=email).first()
+
+ # check if user actually exists
+ # take the user supplied password, hash it, and compare it to the hashed password in database
+ if not user or not check_password_hash(user.password, password):
+ flash('Please check your login details and try again.')
+ return redirect(url_for('auth.login')) # if user doesn't exist or password is wrong, reload the page
+
+ # if the above check passes, then we know the user has the right credentials
+ login_user(user, remember=remember)
+ return redirect(url_for('main.profile'))
+
+@auth.route('/signup')
+def signup():
+ return render_template('signup.html')
+
+@auth.route('/signup', methods=['POST'])
+def signup_post():
+
+ email = request.form.get('email')
+ name = request.form.get('name')
+ password = request.form.get('password')
+
+ user = User.query.filter_by(email=email).first() # if this returns a user, then the email already exists in database
+
+ if user: # if a user is found, we want to redirect back to signup page so user can try again
+ flash('Email address already exists')
+ return redirect(url_for('auth.signup'))
+
+ # create new user with the form data. Hash the password so plaintext version isn't saved.
+ new_user = User(email=email, name=name, password=generate_password_hash(password, method='sha256'))
+
+ # add the new user to the database
+ db.session.add(new_user)
+ db.session.commit()
+
+ return redirect(url_for('auth.login'))
+
+@auth.route('/logout')
+@login_required
+def logout():
+ logout_user()
+ return redirect(url_for('main.index'))
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diff --git a/db.sqlite b/db.sqlite
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Binary files /dev/null and b/db.sqlite differ
diff --git a/main.py b/main.py
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+++ b/main.py
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+# main.py
+
+from flask import Blueprint, render_template
+from flask_login import login_required, current_user
+
+main = Blueprint('main', __name__)
+
+@main.route('/')
+def index():
+ return render_template('index.html')
+
+@main.route('/profile')
+@login_required
+def profile():
+ return render_template('profile.html', name=current_user.name)
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diff --git a/models.py b/models.py
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+++ b/models.py
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+# models.py
+
+from flask_login import UserMixin
+from . import db
+
+class User(UserMixin, db.Model):
+ id = db.Column(db.Integer, primary_key=True) # primary keys are required by SQLAlchemy
+ email = db.Column(db.String(100), unique=True)
+ password = db.Column(db.String(100))
+ name = db.Column(db.String(1000))
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diff --git a/templates/base.html b/templates/base.html
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+++ b/templates/base.html
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+
+
+
+
+
+
+
+
+
+ Flask Auth Example
+
+
+
+
+
+
+
+
+
+
+
+
+ {% block content %}
+ {% endblock %}
+
+
+
+
+
+
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diff --git a/templates/index.html b/templates/index.html
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+++ b/templates/index.html
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+
+
+{% extends "base.html" %}
+
+{% block content %}
+
+ Flask Login Example
+
+
+ Easy authentication and authorization in Flask.
+
+{% endblock %}
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diff --git a/templates/login.html b/templates/login.html
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+++ b/templates/login.html
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+
+
+{% extends "base.html" %}
+
+{% block content %}
+
+
Login
+
+ {% with messages = get_flashed_messages() %}
+ {% if messages %}
+
+ {{ messages[0] }}
+
+ {% endif %}
+ {% endwith %}
+
+
+
+{% endblock %}
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diff --git a/templates/profile.html b/templates/profile.html
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+++ b/templates/profile.html
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+
+
+{% extends "base.html" %}
+
+{% block content %}
+
+ Welcome, {{ name }}!
+
+{% endblock %}
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diff --git a/templates/signup.html b/templates/signup.html
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+++ b/templates/signup.html
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+
+
+{% extends "base.html" %}
+
+{% block content %}
+
+
Sign Up
+
+ {% with messages = get_flashed_messages() %}
+ {% if messages %}
+