platypush/platypush/plugins/user.py

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from platypush.plugins import Plugin, action
from platypush.user import UserManager
class UserPlugin(Plugin):
"""
Plugin to programmatically create and manage users and user sessions
"""
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.user_manager = UserManager()
@action
def create_user(self, username, password, executing_user=None, executing_user_password=None, session_token=None,
**kwargs):
"""
Create a user. This action needs to be executed by an already existing user, who needs to authenticate with
their own credentials, unless this is the first user created on the system.
:return: dict.
Format::
{
"user_id": int,
"username": str,
"created_at": str (in ISO format)
}
"""
if self.user_manager.get_user_count() > 0 and not executing_user and not session_token:
return None, "You need to authenticate in order to create another user"
if not self.user_manager.authenticate_user(executing_user, executing_user_password):
user, session = self.user_manager.authenticate_user_session(session_token)
if not user:
return None, "Invalid credentials and/or session_token"
try:
user = self.user_manager.create_user(username, password, **kwargs)
except (NameError, ValueError) as e:
return None, str(e)
return {
'user_id': user.user_id,
'username': user.username,
'created_at': user.created_at.isoformat(),
}
@action
def authenticate_user(self, username, password):
"""
Authenticate a user
:return: True if the provided username and password are correct, False otherwise
"""
return True if self.user_manager.authenticate_user(username, password) else False
@action
def update_password(self, username, old_password, new_password):
"""
Update the password of a user
:return: True if the password was successfully updated, false otherwise
"""
return self.user_manager.update_password(username, old_password, new_password)
@action
def delete_user(self, username, executing_user=None, executing_user_password=None, session_token=None):
"""
Delete a user
"""
if not self.user_manager.authenticate_user(executing_user, executing_user_password):
user, session = self.user_manager.authenticate_user_session(session_token)
if not user:
return None, "Invalid credentials and/or session_token"
try:
return self.user_manager.delete_user(username)
except NameError:
return None, "No such user: {}".format(username)
@action
def create_session(self, username, password, expires_at=None):
"""
Create a user session
:return: dict::
{
"session_token": str,
"user_id": int,
"created_at": str (in ISO format),
"expires_at": str (in ISO format),
}
"""
session = self.user_manager.create_user_session(username=username,
password=password,
expires_at=expires_at)
if not session:
return None, "Invalid credentials"
return {
'session_token': session.session_token,
'user_id': session.user_id,
'created_at': session.created_at.isoformat(),
'expires_at': session.expires_at.isoformat() if session.expires_at else None,
}
@action
def authenticate_session(self, session_token):
"""
Authenticate a session by token and return the associated user
:return: dict.
Format::
{
"user_id": int,
"username": str,
"created_at": str (in ISO format)
}
"""
user, session = self.user_manager.authenticate_user_session(session_token=session_token)
if not user:
return None, 'Invalid session token'
return {
'user_id': user.user_id,
'username': user.username,
'created_at': user.created_at.isoformat(),
}
@action
def delete_session(self, session_token):
"""
Delete a user session
"""
return self.user_manager.delete_user_session(session_token)
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