adds email login and registration forms

- using flask-wtf forms to create login and registration
- saves and compares input data with database
- generates user if need-be
- same user form as google user

server/forms.py

@@ -0,0 +1,31 @@
+from flask_wtf import FlaskForm
+from wtforms import StringField, PasswordField, BooleanField, SubmitField
+from wtforms.validators import DataRequired, ValidationError, Email, EqualTo
+from server.models import User
+import email_validator
+
+class LoginForm(FlaskForm):
+    username = StringField('Username', validators=[DataRequired()])
+    password = PasswordField('Password', validators=[DataRequired()])
+    remember_me = BooleanField('Remember Me')
+    submit = SubmitField('Sign In')
+
+
+    
+class RegistrationForm(FlaskForm):
+    username = StringField('Username', validators=[DataRequired()])
+    email = StringField('Email', validators=[DataRequired(), Email()])
+    password = PasswordField('Password', validators=[DataRequired()])
+    password2 = PasswordField(
+        'Repeat Password', validators=[DataRequired(), EqualTo('password')])
+    submit = SubmitField('Register')
+
+    def validate_username(self, username):
+        user = User.query.filter_by(username=username.data).first()
+        if user is not None:
+            raise ValidationError('Please use a different username.')
+
+    def validate_email(self, email):
+        user = User.query.filter_by(email=email.data).first()
+        if user is not None:
+            raise ValidationError('Please use a different email address.')

server/models.py

@@ -1,12 +1,13 @@
 from flask_login import UserMixin
 from server import login_manager, db
+from werkzeug.security import generate_password_hash, check_password_hash
 
 @login_manager.user_loader
 def load_user(id):
     return User.query.get(id)
 
 class User(UserMixin, db.Model):
-    id = db.Column(db.String(21), primary_key=True)
+    id = db.Column(db.String(64), primary_key=True)
     username = db.Column(db.String(64), index=True, unique=True)
     email = db.Column(db.String(120), index=True, unique=True)
     profile_pic = db.Column(db.String(256))
@@ -15,6 +16,12 @@ class User(UserMixin, db.Model):
     def __repr__(self):
         return '<User {}>'.format(self.username)  
 
+    def setPassword(self, password):
+        self.password_hash = generate_password_hash(password)
+
+    def checkPassword(self, password):
+        return check_password_hash(self.password_hash, password)  
+
 class Calendar(db.Model):
     usr_id = db.Column(db.String(21), index=True)
     calendar_id = db.Column(db.String(256), primary_key=True)

server/routes.py

@@ -5,6 +5,7 @@ import sqlite3
 
 # Third-party libraries
 import flask
+from flask import render_template, flash
 from flask import Flask, redirect, request, url_for
 from flask_login import (
     LoginManager,
@@ -18,6 +19,7 @@ import requests
 import server.googleHandler as google
 
 from server import login_manager, app, db
+from server.forms import LoginForm, RegistrationForm
 from server.models import User, Calendar
 
 @app.route("/")
@@ -41,8 +43,39 @@ def calendar():
     calendars = google.calendarsFromDb()
     return flask.render_template('calendar.html', calendars=calendars)
 
+@app.route('/login/email', methods=['GET', 'POST'])
+def emaillogin():
+    if current_user.is_authenticated:
+        return redirect(url_for('account')      )
+    form = LoginForm()
+
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.username.data).first()
+        if user is None or not user.checkPassword(form.password.data):
+            flash('invalid username or password')
+            return redirect(url_for('emaillogin'))
+        login_user(user, remember=form.remember_me.data)
+        return redirect(url_for('account'))
+    return render_template('emaillogin.html', title='Sign In', form=form)
+
+@app.route('/register', methods=['GET', 'POST'])
+def register():
+    if current_user.is_authenticated:
+        return redirect(url_for('account'))
+    form = RegistrationForm()
+    if form.validate_on_submit():
+        user = User(id=form.username.data,
+                    username=form.username.data, 
+                    email=form.email.data)
+        user.setPassword(form.password.data)
+        db.session.add(user)
+        db.session.commit()
+        flash('Congratulations, you are now a registered user!')
+        return redirect(url_for('emaillogin'))
+    return render_template('register.html', title='Register', form=form)
+
 @app.route("/login/google")
-def login():
+def googlelogin():
     authorization_url = google.login()
 
     return flask.redirect(authorization_url)
@@ -121,4 +154,3 @@ def user():
         print("405")
 
     return 'OK'
-

server/template/base.html

@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <meta http-equiv="X-UA-Compatible" content="ie=edge">
+  <link rel="stylesheet" type="text/css" href="/static/css/main.css">
+  <title>Index</title>
+</head>
+
+<body>
+
+    {% block content %}{% endblock %}
+
+</body>
+</html>

server/template/emaillogin.html

@@ -0,0 +1,19 @@
+{% extends "base.html" %}
+
+{% block content %}
+    <h1>Sign In</h1>
+    <form action="" method="post" novalidate>
+        {{ form.hidden_tag() }}
+        <p>
+            {{ form.username.label }}<br>
+            {{ form.username(size=32) }}
+        </p>
+        <p>
+            {{ form.password.label }}<br>
+            {{ form.password(size=32) }}
+        </p>
+        <p>{{ form.remember_me() }} {{ form.remember_me.label }}</p>
+        <p>{{ form.submit() }}</p>
+    </form>
+    <p>New User? <a href="{{ url_for('register') }}">Click to Register!</a></p>
+{% endblock %}

server/template/login.html

@@ -1,15 +1,7 @@
-<!DOCTYPE html>
+{% extends "base.html" %}
-<html lang="en">
 
-<head>
+{% block content %}
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <meta http-equiv="X-UA-Compatible" content="ie=edge">
-  <link rel="stylesheet" type="text/css" href="/static/css/main.css">
-  <title>Index</title>
-</head>
 
-<body>
 <h1 style="color: blue">Login Page</h1>
 
 <!--Google Login-->
@@ -41,6 +33,5 @@
 
 <!-- Compiled and minified JavaScript -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0-beta/js/materialize.min.js"></script>
-</body>
 
-</html>
+{% endblock %}

server/template/register.html

@@ -0,0 +1,37 @@
+{% extends "base.html" %}
+
+{% block content %}
+    <h1>Register</h1>
+    <form action="" method="post">
+        {{ form.hidden_tag() }}
+        <p>
+            {{ form.username.label }}<br>
+            {{ form.username(size=32) }}<br>
+            {% for error in form.username.errors %}
+            <span style="color: red;">[{{ error }}]</span>
+            {% endfor %}
+        </p>
+        <p>
+            {{ form.email.label }}<br>
+            {{ form.email(size=64) }}<br>
+            {% for error in form.email.errors %}
+            <span style="color: red;">[{{ error }}]</span>
+            {% endfor %}
+        </p>
+        <p>
+            {{ form.password.label }}<br>
+            {{ form.password(size=32) }}<br>
+            {% for error in form.password.errors %}
+            <span style="color: red;">[{{ error }}]</span>
+            {% endfor %}
+        </p>
+        <p>
+            {{ form.password2.label }}<br>
+            {{ form.password2(size=32) }}<br>
+            {% for error in form.password2.errors %}
+            <span style="color: red;">[{{ error }}]</span>
+            {% endfor %}
+        </p>
+        <p>{{ form.submit() }}</p>
+    </form>
+{% endblock %}