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"""
flask_security.passwordless
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Flask-Security passwordless module
:copyright: (c) 2012 by Matt Wright.
:copyright: (c) 2021 by Chris Wagner.
:license: MIT, see LICENSE for more details.
"""
from flask import current_app as app
from .proxies import _security
from .signals import login_instructions_sent
from .utils import config_value, get_token_status, send_mail, url_for_security
def send_login_instructions(user):
"""Sends the login instructions email for the specified user.
:param user: The user to send the instructions to
"""
token = generate_login_token(user)
login_link = url_for_security("token_login", token=token, _external=True)
send_mail(
config_value("EMAIL_SUBJECT_PASSWORDLESS"),
user.email,
"login_instructions",
user=user,
login_link=login_link,
login_token=token,
)
login_instructions_sent.send(
app._get_current_object(),
_async_wrapper=app.ensure_sync,
user=user,
login_token=token,
)
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.fs_uniquifier)])
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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