it sends a magic link when you log in

capsulflask/__init__.py

@@ -1,24 +1,40 @@
 
 from flask import Flask
+from flask_mail import Mail
+from flask import render_template
 import os
 
 def create_app():
   app = Flask(__name__)
   app.config.from_mapping(
+    BASE_URL=os.environ.get("BASE_URL", default="http://localhost:5000"),
     SECRET_KEY=os.environ.get("SECRET_KEY", default="dev"),
     DATABASE_URL=os.environ.get("DATABASE_URL", default="sql://postgres:dev@localhost:5432/postgres"),
     DATABASE_SCHEMA=os.environ.get("DATABASE_SCHEMA", default="public"),
+
+    MAIL_SERVER=os.environ.get("MAIL_SERVER", default="m1.nullhex.com"),
+    MAIL_PORT=os.environ.get("MAIL_PORT", default="587"),
+    MAIL_USE_TLS=os.environ.get("MAIL_USE_TLS", default="True").lower() in ['true', '1', 't', 'y', 'yes'],
+    MAIL_USERNAME=os.environ.get("MAIL_USERNAME", default="forest@nullhex.com"),
+    MAIL_PASSWORD=os.environ.get("MAIL_PASSWORD", default=""),
+    MAIL_DEFAULT_SENDER=os.environ.get("MAIL_DEFAULT_SENDER", default="forest@nullhex.com"),
   )
 
+  app.config['FLASK_MAIL_INSTANCE'] = Mail(app)
+
   from capsulflask import db
 
   db.init_app(app)
 
-  # from capsulflask import auth, blog
+  @app.route("/")
+  def index():
+      return render_template("index.html")
 
-  # app.register_blueprint(auth.bp)
-  # app.register_blueprint(blog.bp)
+  from capsulflask import auth
+
+  app.register_blueprint(auth.bp)
 
   app.add_url_rule("/", endpoint="index")
 
-  return app
+  return app
+

capsulflask/auth.py

@@ -1,10 +1,15 @@
 import functools
 
 from flask import Blueprint
+from flask import flash
+from flask import current_app
 from flask import g
 from flask import redirect
 from flask import url_for
+from flask import request
 from flask import session
+from flask import render_template
+from flask_mail import Message
 
 from capsulflask.db import get_model
 
@@ -22,32 +27,41 @@ def account_required(view):
 
     return wrapped_view
 
-
-@bp.route("/register", methods=("GET", "POST"))
-def register():
-
+@bp.route("/login", methods=("GET", "POST"))
+def login():
     if request.method == "POST":
         email = request.form["email"]
-        model = get_model()
         error = None
 
         if not email:
             error = "Email is required."
-        elif (
-            model.
-        ):
-            error = f"User {username} is already registered."
 
         if error is None:
-            # the name is available, store it in the database and go to
-            # the login page
-            db.execute(
-                "INSERT INTO user (username, password) VALUES (?, ?)",
-                (username, generate_password_hash(password)),
+            token = get_model().login(email)
+
+            link = f"{current_app.config['BASE_URL']}/auth/magic/{token}"
+
+            current_app.config["FLASK_MAIL_INSTANCE"].send(
+                Message(
+                  "Click This Link to Login to Capsul",
+                  body=f"""
+                    Navigate to {link} to log into capsul.
+                  """,
+                  html=f"""
+                    Navigate to <a href="{link}">{link}</a> to log into capsul.
+                  """,
+                  sender=current_app.config['MAIL_DEFAULT_SENDER'],
+                  recipients=[email]
+                )
             )
-            db.commit()
-            return redirect(url_for("auth.login"))
+
+            return render_template("check-your-email.html")
 
         flash(error)
 
-    return render_template("auth/register.html")
+    return render_template("login.html")
+
+@bp.route("/logout")
+def logout():
+    session.clear()
+    return redirect(url_for("index"))

capsulflask/model.py

@@ -1,10 +1,21 @@
 
+from nanoid import generate
+
 
 class Model:
   def __init__(self, connection, cursor):
     self.connection = connection
     self.cursor = cursor
 
-  def emailExists(self, email):
-    self.cursor.execute("SELECT * FROM accounts WHERE email = %(email)s", {"email": email})
-    return len(self.cursor.fetchall()) > 0
+  def login(self, email):
+    self.cursor.execute("SELECT * FROM accounts WHERE email = %s", (email, ))
+    if len(self.cursor.fetchall()) == 0:
+      self.cursor.execute("INSERT INTO accounts (email) VALUES (%s)", (email, ))
+
+    token = generate()
+    self.cursor.execute("INSERT INTO logintokens (email, token) VALUES (%s, %s)", (email, token))
+
+    self.connection.commit()
+
+    return token
+    

capsulflask/schema_migrations/02_up_accounts_vms_etc.sql

@@ -2,25 +2,26 @@
 
 CREATE TABLE accounts (
    email TEXT PRIMARY KEY NOT NULL,
+   created  TIMESTAMP NOT NULL DEFAULT NOW()
 );
 
 CREATE TABLE vms (
    id    TEXT PRIMARY KEY NOT NULL,
    email TEXT REFERENCES accounts(email) ON DELETE RESTRICT,
-   created  TIMESTAMP NOT NULL,
-   deleted  TIMESTAMP NOT NULL,
+   created  TIMESTAMP NOT NULL DEFAULT NOW(),
+   deleted  TIMESTAMP NOT NULL
 );
 
 CREATE TABLE payments (
   email      TEXT REFERENCES accounts(email) ON DELETE RESTRICT,
-  created    TIMESTAMP NOT NULL,
+  created    TIMESTAMP NOT NULL DEFAULT NOW(),
   dollars    INTEGER NOT NULL,
   PRIMARY KEY (email, created)
 );
 
 CREATE TABLE logintokens (
   email      TEXT REFERENCES accounts(email) ON DELETE RESTRICT,
-  created    TIMESTAMP NOT NULL,
+  created    TIMESTAMP NOT NULL DEFAULT NOW(),
   token      TEXT NOT NULL,
   PRIMARY KEY (email, created)
 );

capsulflask/static/style.css

@@ -0,0 +1,4 @@
+.float-right {
+  display: inline-block;
+  float: right;
+}

capsulflask/templates/base.html

@@ -0,0 +1,38 @@
+<!doctype html>
+<html lang="en">
+<head>
+<meta charset="utf-8">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<title>{% block title %}{% endblock %}</title>
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<link rel="shortcut icon" href="/favicon.ico" />
+<link rel="apple-touch-icon" href="/icon.png" />
+<link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}">
+</head>
+<body>
+<header>
+
+    <div class="float-right">
+      {% if g.user %}
+        <span>{{ g.user['username'] }}</span>
+        <a href="{{ url_for('auth.logout') }}">Log Out</a>
+      {% else %}
+        <a href="{{ url_for('auth.login') }}">Log In</a>
+      {% endif %}
+    </div>
+    <h1>
+        capsul
+    </h1>
+
+</header>
+<main>
+  {% for message in get_flashed_messages() %}
+    <div class="flash">{{ message }}</div>
+  {% endfor %}
+  {% block content %}{% endblock %}
+</main>
+<footer>
+
+</footer>
+</body>
+</html>

capsulflask/templates/check-your-email.html

@@ -0,0 +1,6 @@
+{% extends 'base.html' %}
+
+
+{% block content %}
+  Check Your Email My Dude
+{% endblock %}

capsulflask/templates/index.html

@@ -0,0 +1,6 @@
+{% extends 'base.html' %}
+
+
+{% block content %}
+  Index Page!
+{% endblock %}

capsulflask/templates/login.html

@@ -0,0 +1,10 @@
+{% extends 'base.html' %}
+
+
+{% block content %}
+  <form method="post">
+    <label for="email">Email Address</label>
+    <input name="email" id="email" required>
+    <input type="submit" value="Log In">
+  </form>
+{% endblock %}

requirements.txt

@@ -1,12 +1,15 @@
 astroid==2.4.1
+blinker==1.4
 click==7.1.2
 Flask==1.1.2
+Flask-Mail==0.9.1
 isort==4.3.21
 itsdangerous==1.1.0
 Jinja2==2.11.2
 lazy-object-proxy==1.4.3
 MarkupSafe==1.1.1
 mccabe==0.6.1
+nanoid==2.0.0
 pkg-resources==0.0.0
 psycopg2==2.8.5
 pylint==2.5.2