import os from flaskext.login import LoginManager from flaskext.openid import OpenID from config import basedir lm = LoginManager() lm.setup_app(app) oid = OpenID(app, os.path.join(basedir, 'tmp'))
class User(db.Model):
id = db.Column(db.Integer, primary_key = True)
nickname = db.Column(db.String(64), unique = True)
email = db.Column(db.String(120), unique = True)
role = db.Column(db.SmallInteger, default = ROLE_USER)
posts = db.relationship('Post', backref = 'author', lazy = 'dynamic')
def is_authenticated(self):
return True
def is_active(self):
return True
def is_anonymous(self):
return False
def get_id(self):
return unicode(self.id)
def __repr__(self):
return '<User %r>' % (self.name)
@lm.user_loader def load_user(id): return User.query.get(int(id))
from flask import render_template, flash, redirect, session, url_for, request, g
from flaskext.login import login_user, logout_user, current_user, login_required
from app import app, db, lm, oid
from forms import LoginForm
from models import User, ROLE_USER, ROLE_ADMIN
@app.route('/login', methods = ['GET', 'POST'])
@oid.loginhandler
def login():
if g.user is not None and g.user.is_authenticated():
return redirect(url_for('index'))
form = LoginForm()
if form.validate_on_submit():
session['remember_me'] = form.remember_me.data
return oid.try_login(form.openid.data, ask_for = ['nickname', 'email'])
return render_template('login.html',
title = 'Sign In',
form = form,
providers = app.config['OPENID_PROVIDERS'])
@oid.after_login
def after_login(resp):
if resp.email is None or resp.email == "":
flash('Invalid login. Please try again.')
redirect(url_for('login'))
user = User.query.filter_by(email = resp.email).first()
if user is None:
nickname = resp.nickname
if nickname is None or nickname == "":
nickname = resp.email.split('@')[0]
user = User(nickname = nickname, email = resp.email, role = ROLE_USER)
db.session.add(user)
db.session.commit()
remember_me = False
if 'remember_me' in session:
remember_me = session['remember_me']
session.pop('remember_me', None)
login_user(user, remember = remember_me)
return redirect(request.args.get('next') or url_for('index'))
lm = LoginManager() lm.setup_app(app) lm.login_view = 'login'
@app.before_request def before_request(): g.user = current_user
@app.route('/')
@app.route('/index')
@login_required
def index():
user = g.user
posts = [
{
'author': { 'nickname': 'John' },
'body': 'Beautiful day in Portland!'
},
{
'author': { 'nickname': 'Susan' },
'body': 'The Avengers movie was so cool!'
}
]
return render_template('index.html',
title = 'Home',
user = user,
posts = posts)
@app.route('/logout')
def logout():
logout_user()
return redirect(url_for('index'))
<html>
<head>
{% if title %}
<title>{{title}} - microblog</title>
{% else %}
<title>microblog</title>
{% endif %}
</head>
<body>
<div>Microblog:
<a href="{{ url_for('index') }}">Home</a>
{% if g.user.is_authenticated() %}
| <a href="{{ url_for('logout') }}">Logout</a>
{% endif %}
</div>
<hr>
{% with messages = get_flashed_messages() %}
{% if messages %}
<ul>
{% for message in messages %}
<li>{{ message }} </li>
{% endfor %}
</ul>
{% endif %}
{% endwith %}
{% block content %}{% endblock %}
</body>
</html>
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