maidstone-hackspace/website/pages/core/authorize.py

387 lines
14 KiB
Python

import os
import uuid
import hashlib
import datetime
from werkzeug.security import generate_password_hash, check_password_hash
from flask import session, flash
from flask import redirect, abort
from flask import make_response
from flask import request
from flask import Blueprint
from flask.ext.login import current_user, LoginManager, login_required, UserMixin, login_user, logout_user, make_secure_token
from requests_oauthlib import OAuth2Session
from requests_oauthlib.compliance_fixes import facebook_compliance_fix
from scaffold import web
from libs.mail import sendmail
from pages import header, footer
from data import site_user
from config.settings import *
from constants import *
web.load_widgets('widgets')
authorize_pages = Blueprint('authorize_pages', __name__, template_folder='templates')
login_manager = LoginManager()
login_manager.login_view = '/login'
oauth_lookup_id = {'google':1, 'github':2, 'facebook':3}
oauth_lookup_name = dict((v, k) for k, v in oauth_lookup_id.items())
def is_weak_password(password1, password2):
if password1 != password2:
password1 = password2 = None
return True
# TODO check length and chars
password1 = password2 = None
return False
#~ def todict(data):
#~ new_dict = {}
#~ for key, value in data.items():
#~ new_dict[key] = value
#~ return new_dict
class User(UserMixin):
def __init__(self, user_id, active=True):
self.id = None
user_details = site_user.get_user_details({'id': user_id}).get()
self.active = False
if user_details:
self.active = True
#~ self.check_password(user_details.get('password'))
self.id = user_id
self.name = user_details.get('username')
#~ self.is_authenticated = self.active
def get_id(self):
return self.id
def is_active(self):
return self.active
def is_authenticated(self):
return self.active
def get_auth_token(self):
return make_secure_token(self.name, key='deterministic')
@login_manager.user_loader
def load_user(userid):
"""Flask user loader hook, internal to flask login"""
return User(userid)
@login_manager.token_loader
def load_token(token):
token = request.headers.get('Authorization')
if token is None:
token = request.args.get('token')
if token is None:
return None
username, password = token.split(":") # naive token
user_entry = User.get(username)
if (user_entry is None):
return None
user = User(user_entry[0], user_entry[1])
if (user.password == password):
return user
return None
#~ def auth_required():
#~ if not session.get('user_id'):
#~ redirect(domain + '/login', 301)
@authorize_pages.route("/register", methods=['GET'])
def register_form():
header('Register for access')
web.page.create('Register for access')
#~ web.page.section(web.register_form.create().render())
web.form.create('Register new user account', '/register')
web.form.append(name='name', label='Your full name', placeholder='Ralf Green', value='')
web.form.append(name='email', label='Valid Email', placeholder='ralf@maidstone-hackspace.org.uk', value='')
web.form.append(input_type='password', name='password', label='Password', placeholder='quick brown fox jumped over', value='')
web.form.append(input_type='password', name='password_confirm', label='Password Confirm', placeholder='quick brown fox jumped over', value='')
web.page.section(web.form.render())
web.template.body.append(web.page.render())
return make_response(footer())
@authorize_pages.route("/register", methods=['POST'])
def register_submit():
data = {}
data['email'] = request.form.get('email')
data['username'] = request.form.get('email')
data['first_name'] = request.form.get('name').strip().split()[0]
data['last_name'] = request.form.get('name').strip().split()[-1]
data['password'] = request.form.get('password')
data['password_confirm'] = request.form.get('password')
data['password'] = generate_password_hash(request.form.get('password'))
#TODO password strength tests
if is_weak_password(request.form.get('password'), request.form.get('password_confirm')):
redirect('/register')
header('Your account has been registered')
web.page.create('Your account has been registered')
new_user = site_user.create()
new_user.execute(data)
flash('Your account has now been created')
web.template.body.append(web.page.set_classes('page col s10 offset-s1').render())
return make_response(footer())
@authorize_pages.route("/oauth/<provider>/<start_oauth_login>/", methods=['GET'])
@authorize_pages.route("/oauth/<provider>/<start_oauth_login>", methods=['GET'])
@authorize_pages.route("/oauth/<provider>/", methods=['GET'])
@authorize_pages.route("/oauth/<provider>", methods=['GET'])
def oauth(provider, start_oauth_login=False):
oauth_verify = True
oauth_provider = oauth_conf.get(provider)
oauth_access_type = ''
oauth_approval_prompt = ''
if oauth_live is False:
print('offline testing')
oauth_verify = False
oauth_access_type = 'offline'
oauth_approval_prompt = "force"
os.environ['OAUTHLIB_INSECURE_TRANSPORT'] = '1'
if start_oauth_login:
oauth_session = OAuth2Session(
oauth_provider.get('client_id'),
scope=oauth_provider.get('scope'),
redirect_uri=request.url_root + oauth_provider.get('redirect_uri'))
if provider == 'facebook':
oauth_session = facebook_compliance_fix(oauth_session)
authorization_url, state = oauth_session.authorization_url(
oauth_provider.get('auth_uri'),
access_type=oauth_access_type,
approval_prompt=oauth_approval_prompt)
# State is used to prevent CSRF, keep this for later, make sure oauth returns to the same url.
# if testing and oauth_state errors make sure you logged in with localhost and not 127.0.0.1
session['oauth_state'] = state
session.modified = True
return redirect(authorization_url)
if session.get('oauth_state', None) is None:
flash('Something went wrong, oauth session not started')
return redirect('/login')
# allready authorised so lets handle the callback
oauth_session = OAuth2Session(
oauth_provider.get('client_id'),
state=session['oauth_state'],
redirect_uri=request.url_root + oauth_provider.get('redirect_uri'))
if provider == 'facebook':
oauth_session = facebook_compliance_fix(oauth_session)
# code error is todo with authorisation response
oauth_session.fetch_token(
oauth_provider.get('token_uri'),
client_secret=oauth_provider.get('client_secret'),
authorization_response=request.url,
verify=oauth_verify)
# Fetch a protected resource, i.e. user profile
response = oauth_session.get(oauth_provider.get('user_uri'))
oauth_response = response.json()
oauth_id = oauth_response.get('login') or oauth_response.get('id')
provider_id = oauth_lookup_id.get(provider)
oauth_user = site_user.fetch_oauth_login({
'username': oauth_id or '',
'provider': provider_id
}).get()
if oauth_user:
user_details = site_user.get_user_details({
'id': oauth_user.get('user_id')
}).get()
# we have matched a user so login and redirect
if user_details:
login_user(User(user_details.get('user_id')))
# no E-Mail so lets ask the user to set there email before allowing login
if not user_details.get('email'):
return redirect('/profile/change_email')
return redirect('/profile')
flash('Your new profile has been created, and your now logged in')
if current_user.get_id():
# link oauth to users account
site_user.create_oauth_login().execute({
'user_id': current_user.get_id(),
'username': oauth_id or '',
'provider': provider_id})
return redirect('/profile')
# create new user from oauth information
new_user_details = {
'password': 'oauth',
'profile_image': oauth_response.get('picture'),
'username': oauth_id,
'first_name': oauth_response.get('given_name') or '',
'last_name': oauth_response.get('family_name') or ''}
if oauth_response.get('email'):
new_user_details['email']= oauth_response.get('email')
user_id = site_user.create().execute(new_user_details)
# register oauth login creation
site_user.create_oauth_login().execute({
'user_id': user_id,
'username': oauth_id or '',
'provider': provider_id})
login_user(User(user_id))
site_user.update_last_login().execute({'id': user_id})
if not user_id:
flash('Failed to create user')
return redirect('/login')
return redirect('/profile')
@authorize_pages.route("/change-password/<code>", methods=['GET'])
@authorize_pages.route("/change-password", methods=['GET'])
def change_password(code=None):
#if we have a code this is a password reset, so try and login the user first
site_user.delete_password_reset().execute({})
if code:
user_details = site_user.get_user_by_reset_code({'reset_code': code}).get()
if not user_details:
#invalid code so pretend the page does not even exist
return abort(404)
#check the code has not expired
#datetime.datetime.now() + datetime.timedelta(minutes=15)
has_date_expired = user_details.get('created') + datetime.timedelta(minutes=60)
if has_date_expired < datetime.datetime.now():
#date expired so clean up and pretend the page does not exist
return abort(404)
#challenge passed so login the user so they can change there password
login_user(
User(user_details.get('user_id'))
)
session['user_id'] = str(user_details.get('user_id'))
web.template.create('Maidstone Hackspace - Profile')
header('User profile')
web.page.create('Change password')
web.page.section(
web.change_password_box.create().render()
)
web.template.body.append(web.page.set_classes('page col s10 offset-s1').render())
return make_response(footer())
@login_required
@authorize_pages.route("/change-password", methods=['POST'])
def change_password_submit(code=None):
if not session.get('user_id'):
abort(404)
if is_weak_password(request.form.get('password'), request.form.get('password_confirm')):
redirect('/login')
pw_hash = generate_password_hash(request.form.get('password'))
user_details = site_user.authorize({
'id': session.get('user_id')}).get()
site_user.change_password().execute({
'id': user_details.get('user_id'),
'password': pw_hash})
web.template.create('Maidstone Hackspace - Profile')
header('User Profile')
web.page.create('Password change complete')
web.page.section(
'Your password has successfull been changed'
)
web.template.body.append(web.page.render())
return make_response(footer())
@authorize_pages.route("/reset-password", methods=['GET'])
def reset_password():
web.template.create('Maidstone Hackspace - Login')
header('Members Login')
web.page.create('Forgot password reset')
web.page.section(
web.password_box.create('Please enter your E-Mail account', reset=True).render()
)
web.template.body.append(web.page.render())
return make_response(footer())
@authorize_pages.route("/reset-password", methods=['POST'])
def reset_password_submit():
user_details = site_user.get_by_username({
'email': request.form.get('email')}).get()
reset_code = hashlib.sha256(str(uuid.uuid4())).hexdigest()
if user_details:
site_user.create_password_reset() \
.on_duplicate() \
.execute({
'user_id': str(user_details.get('user_id')),
'reset_code': reset_code})
l=web.link.create(title='Change password', content='Click to change password',link="{domain}change-password/{resetcode}".format(**{'domain':app_domain, 'resetcode': reset_code})).render()
body = "Please follow the link below to change your password.\n" + l
body += "{domain}change-password/{resetcode}".format(**{'domain':app_domain, 'resetcode': reset_code})
sendmail().send(
from_address='no-reply@maidstone-hackspace.org.uk',
to_address='oly@leela',
subject="Reset password request",
body=body)
# display success page, dont give away anything about if the email is actually registered
web.template.create('Maidstone Hackspace - Password reset')
header('Password reset')
web.page.create('Password reset sent')
web.page.section(
web.paragraph.create('If this E-Mail is registered you will shortly be reciving an E-Mail with reset details').render()
)
web.template.body.append(web.page.render())
return make_response(footer())
@authorize_pages.route("/login/failure", methods=['GET'])
def login_Failure():
web.template.create('%s - Login' % site_name)
header('Login Failure')
web.page.create('Login Failure')
#~ web.template.body.append(web.messages.render())
web.template.body.append(web.page.render())
return make_response(footer())
@authorize_pages.route("/logout")
def logout():
logout_user()
return redirect('/')