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# -*- coding: utf-8 -*-
"""
flask.ext.security.passwordless
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Flask-Security passwordless module
:copyright: (c) 2012 by Matt Wright.
:license: MIT, see LICENSE for more details.
"""
from flask import request, current_app as app
from werkzeug.local import LocalProxy
from .signals import login_instructions_sent
from .utils import send_mail, url_for_security, get_token_status, \
config_value
# Convenient references
_security = LocalProxy(lambda: app.extensions['security'])
_datastore = LocalProxy(lambda: _security.datastore)
def send_login_instructions(user):
"""Sends the login instructions email for the specified user.
:param user: The user to send the instructions to
:param token: The login token
"""
token = generate_login_token(user)
url = url_for_security('token_login', token=token)
login_link = request.url_root[:-1] + url
send_mail(config_value('EMAIL_SUBJECT_PASSWORDLESS'), user.email,
'login_instructions', user=user, login_link=login_link)
login_instructions_sent.send(dict(user=user, login_token=token),
app=app._get_current_object())
def generate_login_token(user):
"""Generates a unique login token for the specified user.
:param user: The user the token belongs to
"""
return _security.login_serializer.dumps([str(user.id)])
def login_token_status(token):
"""Returns the expired status, invalid status, and user of a login token.
For example::
expired, invalid, user = login_token_status('...')
:param token: The login token
"""
return get_token_status(token, 'login', 'LOGIN')
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