193 lines
7.0 KiB
Python
193 lines
7.0 KiB
Python
# This file is part of PlexPy.
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#
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# PlexPy is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# PlexPy is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with PlexPy. If not, see <http://www.gnu.org/licenses/>.
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# http://tools.cherrypy.org/wiki/AuthenticationAndAccessRestrictions
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# Form based authentication for CherryPy. Requires the
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# Session tool to be loaded.
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from cgi import escape
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import cherrypy
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from datetime import datetime, timedelta
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from hashing_passwords import check_hash
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import re
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import plexpy
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from plexpy import logger
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from plexpy.users import Users, user_login
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from plexpy.pmsconnect import PmsConnect
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SESSION_KEY = '_cp_username'
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def check_credentials(username, password):
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"""Verifies credentials for username and password.
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Returns True and the user group on success or False and no user group"""
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if plexpy.CONFIG.HTTP_HASHED_PASSWORD and \
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username == plexpy.CONFIG.HTTP_USERNAME and check_hash(password, plexpy.CONFIG.HTTP_PASSWORD):
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return True, u'admin'
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elif username == plexpy.CONFIG.HTTP_USERNAME and password == plexpy.CONFIG.HTTP_PASSWORD:
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return True, u'admin'
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elif plexpy.CONFIG.ALLOW_GUEST_ACCESS and user_login(username, password):
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return True, u'guest'
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else:
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return False, None
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def check_auth(*args, **kwargs):
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"""A tool that looks in config for 'auth.require'. If found and it
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is not None, a login is required and the entry is evaluated as a list of
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conditions that the user must fulfill"""
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conditions = cherrypy.request.config.get('auth.require', None)
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if conditions is not None:
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_session = cherrypy.session.get(SESSION_KEY)
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if _session and (_session['user'] and _session['expiry']) and _session['expiry'] > datetime.now():
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cherrypy.request.login = _session['user']
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for condition in conditions:
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# A condition is just a callable that returns true or false
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if not condition():
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raise cherrypy.HTTPRedirect(plexpy.HTTP_ROOT)
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else:
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raise cherrypy.HTTPRedirect("auth/login")
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def requireAuth(*conditions):
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"""A decorator that appends conditions to the auth.require config
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variable."""
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def decorate(f):
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if not hasattr(f, '_cp_config'):
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f._cp_config = dict()
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if 'auth.require' not in f._cp_config:
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f._cp_config['auth.require'] = []
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f._cp_config['auth.require'].extend(conditions)
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return f
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return decorate
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# Conditions are callables that return True
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# if the user fulfills the conditions they define, False otherwise
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#
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# They can access the current username as cherrypy.request.login
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#
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# Define those at will however suits the application.
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def member_of(groupname):
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def check():
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# replace with actual check if <username> is in <groupname>
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return cherrypy.request.login == plexpy.CONFIG.HTTP_USERNAME and groupname == 'admin'
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return check
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def name_is(reqd_username):
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return lambda: reqd_username == cherrypy.request.login
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# These might be handy
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def any_of(*conditions):
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"""Returns True if any of the conditions match"""
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def check():
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for c in conditions:
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if c():
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return True
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return False
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return check
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# By default all conditions are required, but this might still be
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# needed if you want to use it inside of an any_of(...) condition
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def all_of(*conditions):
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"""Returns True if all of the conditions match"""
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def check():
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for c in conditions:
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if not c():
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return False
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return True
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return check
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# Controller to provide login and logout actions
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class AuthController(object):
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def on_login(self, username):
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"""Called on successful login"""
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logger.debug(u"User '%s' logged into PlexPy." % username)
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def on_logout(self, username):
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"""Called on logout"""
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logger.debug(u"User '%s' logged out of PlexPy." % username)
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def get_loginform(self, username="", msg=""):
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from plexpy.webserve import serve_template
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return serve_template(templatename="login.html", title="Login", username=escape(username, True), msg=msg)
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@cherrypy.expose
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def index(self):
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raise cherrypy.HTTPRedirect("login")
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@cherrypy.expose
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def login(self, username=None, password=None, remember_me='0'):
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if not plexpy.CONFIG.HTTP_PASSWORD:
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raise cherrypy.HTTPRedirect(plexpy.HTTP_ROOT)
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if username is None or password is None:
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return self.get_loginform()
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(vaild_login, user_group) = check_credentials(username, password)
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if vaild_login:
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if user_group == 'guest':
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if re.match(r"[^@]+@[^@]+\.[^@]+", username):
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user_details = Users().get_details(email=username)
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else:
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user_details = Users().get_details(user=username)
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user_id = user_details['user_id']
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user_tokens = Users().get_tokens(user_id=user_details['user_id'])
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server_token = user_tokens['server_token']
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library_details = PmsConnect(token=server_token).get_server_children()
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user_libraries = tuple(d['section_id'] for d in library_details['libraries_list'])
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else:
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user_id = None
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user_libraries = None
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expiry = datetime.now() + (timedelta(days=30) if remember_me == '1' else timedelta(minutes=60))
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cherrypy.session.regenerate()
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cherrypy.request.login = username
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cherrypy.session[SESSION_KEY] = {'user_id': user_id,
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'user': username,
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'user_group': user_group,
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'user_libraries': user_libraries,
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'expiry': expiry}
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self.on_login(username)
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raise cherrypy.HTTPRedirect(plexpy.HTTP_ROOT)
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else:
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logger.debug(u"Invalid login attempt from '%s'." % username)
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return self.get_loginform(username, u"Incorrect username/email or password.")
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@cherrypy.expose
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def logout(self):
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if not plexpy.CONFIG.HTTP_PASSWORD:
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raise cherrypy.HTTPRedirect(plexpy.HTTP_ROOT)
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_session = cherrypy.session.get(SESSION_KEY)
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cherrypy.session[SESSION_KEY] = None
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if _session and _session['user']:
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cherrypy.request.login = None
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self.on_logout(_session['user'])
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raise cherrypy.HTTPRedirect("login") |