Fleshed out session system...

src/core/__init__.py

@@ -1,5 +1,6 @@
 from flask import Flask
-from flask_sqlalchemy import SQLAlchemy
+from flask_bcrypt import Bcrypt
+from flask_login import current_user, login_user, logout_user, LoginManager
 
 app = Flask(__name__)
 app.config['SQLALCHEMY_DATABASE_URI'] = "sqlite:///static/db/database.db"
@@ -9,9 +10,12 @@ app.config['TITLE'] = ':::APP TITLE:::'
 # For csrf...change!!
 app.config['SECRET_KEY'] = '48e80dcf4ed6ea952ca1b7b564be22d665e6e178f7fda84828fdd5e7cdca097a'
 
-from core.models import db
-db.init_app(app)
 
+login_manager = LoginManager(app)
+bcrypt        = Bcrypt(app)
+
+from core.models import db, User
+db.init_app(app)
 
 from core.forms import RegisterForm, LoginForm
 from core import routes

src/core/forms.py

@@ -1,6 +1,7 @@
 from flask_wtf import FlaskForm
 from wtforms import StringField, PasswordField, SubmitField
-from wtforms.validators import DataRequired, Length, Email, EqualTo
+from wtforms.validators import DataRequired, Length, Email, EqualTo, ValidationError
+from core import User
 
 
 
@@ -12,6 +13,11 @@ class RegisterForm(FlaskForm):
                                         validators=[DataRequired(), EqualTo('password', message="Passwords must match!")])
     submit   = SubmitField("Sign Up")
 
+    def validate_username(self, username):
+        user = User.query.filter_by(username=username.data).first()
+        if user:
+            raise ValidationError("User exists already! Please use a different name!")
+
 
 class LoginForm(FlaskForm):
     username = StringField('Username', validators=[DataRequired(), Length(min=4, max=24)])

src/core/models.py

@@ -1,17 +1,17 @@
 from flask_sqlalchemy import SQLAlchemy
-
-db = SQLAlchemy()
+from core import app, login_manager
+from flask_login import UserMixin
 
 
-class Table(db.Model):
-    id = db.Column(db.Integer, nullable=False, primary_key=True, unique=True, autoincrement=True)
+db = SQLAlchemy(app)
 
-    def __repr__(self):
-        return f"['{self.title}', '{self.icon}', '{self.link}', '{self.id}']"
+@login_manager.user_loader
+def load_user(user_id):
+    return User.query.get(int(user_id))
 
 
-class User(db.Model):
-    username = db.Column(db.String, nullable=False)
+class User(db.Model, UserMixin):
+    username = db.Column(db.String, unique=True, nullable=False)
     email    = db.Column(db.String, nullable=False)
     password = db.Column(db.String, nullable=False)
     id       = db.Column(db.Integer, nullable=False, primary_key=True, unique=True, autoincrement=True)

src/core/routes/Routes.py

@@ -5,7 +5,6 @@ from flask import request, render_template
 
 # App imports
 from core import app, db                         # Get from __init__
-from core.models import Table                    # Get db models
 from core.MessageHandler import MessageHandler   # Get simple message processor
 
 

src/core/routes/pages/Login.py

@@ -1,10 +1,11 @@
 # Python imports
 
 # Lib imports
-from flask import request, render_template
+from flask import request, render_template, flash, redirect, url_for
+from flask_login import current_user, login_user, logout_user
 
 # App imports
-from core import app, db, LoginForm
+from core import app, bcrypt, db, User, LoginForm
 from core.MessageHandler import MessageHandler   # Get simple message processor
 
 
@@ -13,8 +14,25 @@ TITLE      = app.config['TITLE']
 
 @app.route('/login', methods=['GET', 'POST'])
 def login():
-    _form = LoginForm()
+    if current_user.is_authenticated:
+        return redirect(url_for("home"))
 
-    return render_template('login.html',
-                            title=TITLE,
-                            form=_form)
+    _form = LoginForm()
+    if _form.validate_on_submit():
+        user = db.session.query(User).filter(User.username == _form.username.data).first()
+
+        if user and bcrypt.check_password_hash(user.password, _form.password.data):
+            login_user(user, remember=False)
+            flash("Logged in successfully!", "success")
+            return redirect(url_for("home"))
+
+        flash("Username or password incorrect! Please try again...", "danger")
+
+    return render_template('login.html', title=TITLE, form=_form)
+
+
+@app.route('/logout')
+def logout():
+    logout_user()
+    flash("Logged out successfully!", "success")
+    return redirect(url_for("home"))

src/core/routes/pages/Register.py

@@ -4,7 +4,8 @@
 from flask import request, render_template, url_for, redirect, flash
 
 # App imports
-from core import app, db, RegisterForm
+from core import app, bcrypt, db, current_user, RegisterForm   # Get from __init__
+from core.models import User
 from core.MessageHandler import MessageHandler   # Get simple message processor
 
 
@@ -13,12 +14,18 @@ TITLE      = app.config['TITLE']
 
 @app.route('/register', methods=['GET', 'POST'])
 def register():
-    _form = RegisterForm()
-
-    if _form.validate_on_submit():
-        flash("Account created successfully!", "success")
+    if current_user.is_authenticated:
         return redirect(url_for("home"))
 
+    _form = RegisterForm()
+    if _form.validate_on_submit():
+        hashed_password = bcrypt.generate_password_hash(_form.password.data).decode("utf-8")
+        user = User(username=_form.username.data, email=_form.email.data, password=hashed_password)
+        db.session.add(user)
+        db.session.commit()
+        flash("Account created successfully!", "success")
+        return redirect(url_for("login"))
+
     return render_template('register.html',
                             title=TITLE,
                             form=_form)

src/core/templates/body-header.html

@@ -22,19 +22,22 @@
             </li>
 
             <!-- Dropdowns -->
+            <!-- Others Dropdown -->
+
+            {% if not current_user.is_authenticated %}
             <li class="nav-item dropdown">
                 <a class="nav-link dropdown-toggle" href="#" id="navbardrop" data-toggle="dropdown">
                     Account
                 </a>
                 <div class="dropdown-menu">
                     <a class="dropdown-item" href="{{ url_for('login') }}">
-                        <i title="Send Us an Email" class="fas fa-user"></i>&nbsp;&nbsp;Login</a>
+                        <i title="Login" class="fas fa-user"></i>&nbsp;&nbsp;Login</a>
                     <a class="dropdown-item" href="{{ url_for('register') }}">
-                        <i title="Find Us on Twitter" class="fas fa-user-plus"></i>&nbsp;&nbsp;Register</a>
+                        <i title="Register A User..." class="fas fa-user-plus"></i>&nbsp;&nbsp;Register</a>
                 </div>
             </li>
+            {% endif %}
 
-            <!-- Others Dropdown -->
             <li class="nav-item dropdown">
                 <a class="nav-link dropdown-toggle" href="#" id="navbardrop" data-toggle="dropdown">
                     Projects
@@ -80,6 +83,13 @@
                 <a class="nav-link" href="{{ url_for('about') }}">
                     <i class="far fa-address-card"></i> About</a>
             </li>
+
+            {% if current_user.is_authenticated %}
+                <li class="nav-item">
+                    <a class="nav-link" href="{{ url_for('logout') }}">
+                        <i class="fas fa-sign-out-alt"></i> Logout</a>
+                </li>
+            {% endif %}
         </ul>
     </div>
 

src/core/templates/layout.html

@@ -30,16 +30,6 @@
         {% endblock header_css_additional %}
     {% endblock %}
 
-    <!-- System flashed messages! -->
-    {% with messages = get_flashed_messages(with_categories=true) %}
-        {% if messages %}
-            <div class=flashes>
-                {% for category, message in messages %}
-                    <li class="alert alert-{{ category }}">{{ message }}</li>
-                {% endfor %}
-            </div>
-        {% endif %}
-    {% endwith %}
 
     {% block header_scripts %}
         {% block header_scripts_additional %}
@@ -49,7 +39,6 @@
 <body>
     <img id="bg" src="{{ url_for('static', filename='imgs/backgrounds/background.jpg')}}" alt="{{title}} Background Logo" />
 
-
 {% block body_header %}
     {% include "body-header.html" %}
 
@@ -57,6 +46,16 @@
     {% endblock body_header_additional%}
 {% endblock %}
 
+<!-- System flashed messages! -->
+{% with messages = get_flashed_messages(with_categories=true) %}
+    {% if messages %}
+        <div class=flashes>
+            {% for category, message in messages %}
+                <li class="alert alert-{{ category }}">{{ message }}</li>
+            {% endfor %}
+        </div>
+    {% endif %}
+{% endwith %}
 
 {% block body_content %}
     {% block body_content_additional %}

src/core/templates/login.html

@@ -30,10 +30,10 @@
                         <div class="form-group">
                             {{ form.password.label(class="form-control-label") }}
 
-                            {% if form.email.errors %}
-                                {{ form.email(class="form-control form-control-sm is-invalid", autocomplete="off") }}
+                            {% if form.password.errors %}
+                                {{ form.password(class="form-control form-control-sm is-invalid", autocomplete="off") }}
                                 <div class="invalid-feedback">
-                                    {% for error in form.email.errors %}
+                                    {% for error in form.password.errors %}
                                         <span class="">{{ error }}</span>
                                     {% endfor %}
                             {% else %}