1077 lines
43 KiB
Python
Executable file
1077 lines
43 KiB
Python
Executable file
#!/usr/bin/env python
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"""EventMan(ager)
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Your friendly manager of attendees at an event.
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Copyright 2015-2016 Davide Alberani <da@erlug.linux.it>
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RaspiBO <info@raspibo.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import os
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import re
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import glob
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import json
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import time
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import string
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import random
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import logging
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import datetime
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import tornado.httpserver
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import tornado.ioloop
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import tornado.options
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from tornado.options import define, options
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import tornado.web
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import tornado.websocket
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from tornado import gen, escape, process
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import utils
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import backend
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ENCODING = 'utf-8'
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PROCESS_TIMEOUT = 60
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API_VERSION = '1.0'
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re_env_key = re.compile('[^A-Z_]+')
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re_slashes = re.compile(r'//+')
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# Keep track of WebSocket connections.
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_ws_clients = {}
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def authenticated(method):
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"""Decorator to handle forced authentication."""
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original_wrapper = tornado.web.authenticated(method)
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@tornado.web.functools.wraps(method)
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def my_wrapper(self, *args, **kwargs):
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# If no authentication was required from the command line or config file.
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if not self.authentication:
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return method(self, *args, **kwargs)
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# unauthenticated API calls gets redirected to /v1.0/[...]
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if self.is_api() and not self.current_user:
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self.redirect('/v%s%s' % (API_VERSION, self.get_login_url()))
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return
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return original_wrapper(self, *args, **kwargs)
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return my_wrapper
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class BaseException(Exception):
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"""Base class for EventMan custom exceptions.
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:param message: text message
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:type message: str
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:param status: numeric http status code
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:type status: int"""
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def __init__(self, message, status=400):
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super(BaseException, self).__init__(message)
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self.message = message
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self.status = status
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class InputException(BaseException):
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"""Exception raised by errors in input handling."""
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pass
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class BaseHandler(tornado.web.RequestHandler):
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"""Base class for request handlers."""
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permissions = {
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'event|read': True,
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'event:tickets|read': True,
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'event:tickets|create': True,
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'event:tickets|update': True,
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'event:tickets-all|create': True,
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'events|read': True,
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'users|create': True
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}
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# Cache currently connected users.
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_users_cache = {}
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# A property to access the first value of each argument.
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arguments = property(lambda self: dict([(k, v[0])
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for k, v in self.request.arguments.iteritems()]))
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# A property to access both the UUID and the clean arguments.
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@property
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def uuid_arguments(self):
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uuid = None
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arguments = self.arguments
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if 'uuid' in arguments:
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uuid = arguments['uuid']
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del arguments['uuid']
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return uuid, arguments
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_bool_convert = {
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'0': False,
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'n': False,
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'f': False,
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'no': False,
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'off': False,
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'false': False,
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'1': True,
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'y': True,
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't': True,
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'on': True,
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'yes': True,
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'true': True
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}
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_re_split_salt = re.compile(r'\$(?P<salt>.+)\$(?P<hash>.+)')
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def write_error(self, status_code, **kwargs):
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"""Default error handler."""
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if isinstance(kwargs.get('exc_info', (None, None))[1], BaseException):
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exc = kwargs['exc_info'][1]
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status_code = exc.status
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message = exc.message
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else:
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message = 'internal error'
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self.build_error(message, status=status_code)
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def is_api(self):
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"""Return True if the path is from an API call."""
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return self.request.path.startswith('/v%s' % API_VERSION)
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def tobool(self, obj):
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"""Convert some textual values to boolean."""
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if isinstance(obj, (list, tuple)):
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obj = obj[0]
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if isinstance(obj, (str, unicode)):
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obj = obj.lower()
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return self._bool_convert.get(obj, obj)
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def arguments_tobool(self):
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"""Return a dictionary of arguments, converted to booleans where possible."""
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return dict([(k, self.tobool(v)) for k, v in self.arguments.iteritems()])
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def initialize(self, **kwargs):
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"""Add every passed (key, value) as attributes of the instance."""
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for key, value in kwargs.iteritems():
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setattr(self, key, value)
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@property
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def current_user(self):
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"""Retrieve current user name from the secure cookie."""
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return self.get_secure_cookie("user")
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@property
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def current_user_info(self):
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"""Information about the current user, including their permissions."""
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current_user = self.current_user
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if current_user in self._users_cache:
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return self._users_cache[current_user]
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permissions = set([k for (k, v) in self.permissions.iteritems() if v is True])
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user_info = {'permissions': permissions}
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if current_user:
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user_info['username'] = current_user
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res = self.db.query('users', {'username': current_user})
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if res:
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user = res[0]
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user_info = user
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permissions.update(set(user.get('permissions') or []))
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user_info['permissions'] = permissions
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self._users_cache[current_user] = user_info
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return user_info
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def has_permission(self, permission):
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"""Check permissions of the current user.
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:param permission: the permission to check
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:type permission: str
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:returns: True if the user is allowed to perform the action or False
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:rtype: bool
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"""
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user_info = self.current_user_info or {}
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user_permissions = user_info.get('permissions') or []
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global_permission = '%s|all' % permission.split('|')[0]
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if 'admin|all' in user_permissions or global_permission in user_permissions or permission in user_permissions:
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return True
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collection_permission = self.permissions.get(permission)
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if isinstance(collection_permission, bool):
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return collection_permission
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if callable(collection_permission):
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return collection_permission(permission)
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return False
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def user_authorized(self, username, password):
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"""Check if a combination of username/password is valid.
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:param username: username or email
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:type username: str
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:param password: password
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:type password: str
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:returns: tuple like (bool_user_is_authorized, dict_user_info)
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:rtype: dict"""
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query = [{'username': username}, {'email': username}]
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res = self.db.query('users', query)
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if not res:
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return (False, {})
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user = res[0]
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db_password = user.get('password') or ''
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if not db_password:
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return (False, {})
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match = self._re_split_salt.match(db_password)
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if not match:
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return (False, {})
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salt = match.group('salt')
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if utils.hash_password(password, salt=salt) == db_password:
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return (True, user)
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return (False, {})
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def build_error(self, message='', status=400):
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"""Build and write an error message.
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:param message: textual message
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:type message: str
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:param status: HTTP status code
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:type status: int
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"""
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self.set_status(status)
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self.write({'error': True, 'message': message})
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def logout(self):
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"""Remove the secure cookie used fro authentication."""
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if self.current_user in self._users_cache:
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del self._users_cache[self.current_user]
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self.clear_cookie("user")
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class RootHandler(BaseHandler):
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"""Handler for the / path."""
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angular_app_path = os.path.join(os.path.dirname(__file__), "angular_app")
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@gen.coroutine
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def get(self, *args, **kwargs):
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# serve the ./angular_app/index.html file
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with open(self.angular_app_path + "/index.html", 'r') as fd:
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self.write(fd.read())
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class CollectionHandler(BaseHandler):
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"""Base class for handlers that need to interact with the database backend.
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Introduce basic CRUD operations."""
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# set of documents we're managing (a collection in MongoDB or a table in a SQL database)
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document = None
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collection = None
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# set of documents used to store incremental sequences
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counters_collection = 'counters'
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_id_chars = string.ascii_lowercase + string.digits
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def get_next_seq(self, seq):
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"""Increment and return the new value of a ever-incrementing counter.
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:param seq: unique name of the sequence
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:type seq: str
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:returns: the next value of the sequence
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:rtype: int
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"""
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if not self.db.query(self.counters_collection, {'seq_name': seq}):
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self.db.add(self.counters_collection, {'seq_name': seq, 'seq': 0})
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merged, doc = self.db.update(self.counters_collection,
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{'seq_name': seq},
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{'seq': 1},
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operation='increment')
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return doc.get('seq', 0)
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def gen_id(self, seq='ids', random_alpha=32):
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"""Generate a unique, non-guessable ID.
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:param seq: the scope of the ever-incrementing sequence
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:type seq: str
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:param random_alpha: number of random lowercase alphanumeric chars
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:type random_alpha: int
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:returns: unique ID
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:rtype: str"""
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t = str(time.time()).replace('.', '_')
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seq = str(self.get_next_seq(seq))
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rand = ''.join([random.choice(self._id_chars) for x in xrange(random_alpha)])
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return '-'.join((t, seq, rand))
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def _filter_results(self, results, params):
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"""Filter a list using keys and values from a dictionary.
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:param results: the list to be filtered
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:type results: list
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:param params: a dictionary of items that must all be present in an original list item to be included in the return
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:type params: dict
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:returns: list of items that have all the keys with the same values as params
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:rtype: list"""
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if not params:
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return results
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params = backend.convert(params)
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filtered = []
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for result in results:
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add = True
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for key, value in params.iteritems():
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if key not in result or result[key] != value:
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add = False
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break
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if add:
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filtered.append(result)
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return filtered
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def _clean_dict(self, data):
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"""Filter a dictionary (in place) to remove unwanted keywords in db queries.
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:param data: dictionary to clean
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:type data: dict"""
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if isinstance(data, dict):
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for key in data.keys():
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if isinstance(key, (str, unicode)) and key.startswith('$'):
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del data[key]
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return data
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def _dict2env(self, data):
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"""Convert a dictionary into a form suitable to be passed as environment variables.
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:param data: dictionary to convert
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:type data: dict"""
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ret = {}
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for key, value in data.iteritems():
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if isinstance(value, (list, tuple, dict)):
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continue
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try:
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key = key.upper().encode('ascii', 'ignore')
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key = re_env_key.sub('', key)
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if not key:
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continue
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ret[key] = unicode(value).encode(ENCODING)
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except:
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continue
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return ret
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def apply_filter(self, data, filter_name):
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"""Apply a filter to the data.
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:param data: the data to filter
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:returns: the modified (possibly also in place) data
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"""
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filter_method = getattr(self, 'filter_%s' % filter_name, None)
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if filter_method is not None:
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data = filter_method(data)
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return data
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@gen.coroutine
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@authenticated
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def get(self, id_=None, resource=None, resource_id=None, acl=True, **kwargs):
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if resource:
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# Handle access to sub-resources.
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permission = '%s:%s%s|read' % (self.document, resource, '-all' if resource_id is None else '')
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if acl and not self.has_permission(permission):
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return self.build_error(status=401, message='insufficient permissions: %s' % permission)
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handler = getattr(self, 'handle_get_%s' % resource, None)
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if handler and callable(handler):
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output = handler(id_, resource_id, **kwargs) or {}
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output = self.apply_filter(output, 'get_%s' % resource)
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self.write(output)
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return
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return self.build_error(status=404, message='unable to access resource: %s' % resource)
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if id_ is not None:
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# read a single document
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permission = '%s|read' % self.document
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if acl and not self.has_permission(permission):
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return self.build_error(status=401, message='insufficient permissions: %s' % permission)
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output = self.db.get(self.collection, id_)
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output = self.apply_filter(output, 'get')
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self.write(output)
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else:
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# return an object containing the list of all objects in the collection;
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# e.g.: {'events': [{'_id': 'obj1-id, ...}, {'_id': 'obj2-id, ...}, ...]}
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# Please, never return JSON lists that are not encapsulated into an object,
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# to avoid XSS vulnerabilities.
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permission = '%s|read' % self.collection
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if acl and not self.has_permission(permission):
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return self.build_error(status=401, message='insufficient permissions: %s' % permission)
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output = {self.collection: self.db.query(self.collection, self.arguments)}
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output = self.apply_filter(output, 'get_all')
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self.write(output)
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@gen.coroutine
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@authenticated
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def post(self, id_=None, resource=None, resource_id=None, **kwargs):
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data = escape.json_decode(self.request.body or '{}')
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self._clean_dict(data)
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method = self.request.method.lower()
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crud_method = 'create' if method == 'post' else 'update'
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now = datetime.datetime.now()
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user_info = self.current_user_info
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user_id = user_info.get('_id')
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if crud_method == 'create':
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data['created_by'] = user_id
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data['created_at'] = now
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data['updated_by'] = user_id
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data['updated_at'] = now
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if resource:
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permission = '%s:%s%s|%s' % (self.document, resource, '-all' if resource_id is None else '', crud_method)
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if not self.has_permission(permission):
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return self.build_error(status=401, message='insufficient permissions: %s' % permission)
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# Handle access to sub-resources.
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handler = getattr(self, 'handle_%s_%s' % (method, resource), None)
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if handler and callable(handler):
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data = self.apply_filter(data, 'input_%s_%s' % (method, resource))
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output = handler(id_, resource_id, data, **kwargs)
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output = self.apply_filter(output, 'get_%s' % resource)
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self.write(output)
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return
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return self.build_error(status=404, message='unable to access resource: %s' % resource)
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if id_ is not None:
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permission = '%s|%s' % (self.document, crud_method)
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if not self.has_permission(permission):
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return self.build_error(status=401, message='insufficient permissions: %s' % permission)
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data = self.apply_filter(data, 'input_%s' % method)
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merged, newData = self.db.update(self.collection, id_, data)
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newData = self.apply_filter(newData, method)
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else:
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permission = '%s|%s' % (self.collection, crud_method)
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if not self.has_permission(permission):
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return self.build_error(status=401, message='insufficient permissions: %s' % permission)
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data = self.apply_filter(data, 'input_%s_all' % method)
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newData = self.db.add(self.collection, data, _id=self.gen_id())
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newData = self.apply_filter(newData, '%s_all' % method)
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self.write(newData)
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# PUT (update an existing document) is handled by the POST (create a new document) method;
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# in subclasses you can always separate sub-resources handlers like handle_post_tickets and handle_put_tickets
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put = post
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@gen.coroutine
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@authenticated
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def delete(self, id_=None, resource=None, resource_id=None, **kwargs):
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if resource:
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# Handle access to sub-resources.
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permission = '%s:%s%s|delete' % (self.document, resource, '-all' if resource_id is None else '')
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if not self.has_permission(permission):
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return self.build_error(status=401, message='insufficient permissions: %s' % permission)
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method = getattr(self, 'handle_delete_%s' % resource, None)
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if method and callable(method):
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self.write(method(id_, resource_id, **kwargs))
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return
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return self.build_error(status=404, message='unable to access resource: %s' % resource)
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if id_:
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permission = '%s|delete' % self.document
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if not self.has_permission(permission):
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return self.build_error(status=401, message='insufficient permissions: %s' % permission)
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self.db.delete(self.collection, id_)
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else:
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self.write({'success': False})
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self.write({'success': True})
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def on_timeout(self, cmd, pipe):
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"""Kill a process that is taking too long to complete."""
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logging.debug('cmd %s is taking too long: killing it' % ' '.join(cmd))
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try:
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pipe.proc.kill()
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except:
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pass
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def on_exit(self, returncode, cmd, pipe):
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"""Callback executed when a subprocess execution is over."""
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self.ioloop.remove_timeout(self.timeout)
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logging.debug('cmd: %s returncode: %d' % (' '.join(cmd), returncode))
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@gen.coroutine
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def run_subprocess(self, cmd, stdin_data=None, env=None):
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"""Execute the given action.
|
|
|
|
:param cmd: the command to be run with its command line arguments
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|
:type cmd: list
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|
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:param stdin_data: data to be sent over stdin
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|
:type stdin_data: str
|
|
:param env: environment of the process
|
|
:type env: dict
|
|
"""
|
|
self.ioloop = tornado.ioloop.IOLoop.instance()
|
|
p = process.Subprocess(cmd, close_fds=True, stdin=process.Subprocess.STREAM,
|
|
stdout=process.Subprocess.STREAM, stderr=process.Subprocess.STREAM, env=env)
|
|
p.set_exit_callback(lambda returncode: self.on_exit(returncode, cmd, p))
|
|
self.timeout = self.ioloop.add_timeout(datetime.timedelta(seconds=PROCESS_TIMEOUT),
|
|
lambda: self.on_timeout(cmd, p))
|
|
yield gen.Task(p.stdin.write, stdin_data or '')
|
|
p.stdin.close()
|
|
out, err = yield [gen.Task(p.stdout.read_until_close),
|
|
gen.Task(p.stderr.read_until_close)]
|
|
logging.debug('cmd: %s' % ' '.join(cmd))
|
|
logging.debug('cmd stdout: %s' % out)
|
|
logging.debug('cmd strerr: %s' % err)
|
|
raise gen.Return((out, err))
|
|
|
|
@gen.coroutine
|
|
def run_triggers(self, action, stdin_data=None, env=None):
|
|
"""Asynchronously execute triggers for the given action.
|
|
|
|
:param action: action name; scripts in directory ./data/triggers/{action}.d will be run
|
|
:type action: str
|
|
:param stdin_data: a python dictionary that will be serialized in JSON and sent to the process over stdin
|
|
:type stdin_data: dict
|
|
:param env: environment of the process
|
|
:type stdin_data: dict
|
|
"""
|
|
logging.debug('running triggers for action "%s"' % action)
|
|
stdin_data = stdin_data or {}
|
|
try:
|
|
stdin_data = json.dumps(stdin_data)
|
|
except:
|
|
stdin_data = '{}'
|
|
for script in glob.glob(os.path.join(self.data_dir, 'triggers', '%s.d' % action, '*')):
|
|
if not (os.path.isfile(script) and os.access(script, os.X_OK)):
|
|
continue
|
|
out, err = yield gen.Task(self.run_subprocess, [script], stdin_data, env)
|
|
|
|
def build_ws_url(self, path, proto='ws', host=None):
|
|
"""Return a WebSocket url from a path."""
|
|
try:
|
|
args = '?uuid=%s' % self.get_argument('uuid')
|
|
except:
|
|
args = ''
|
|
return 'ws://127.0.0.1:%s/ws/%s%s' % (self.listen_port + 1, path, args)
|
|
|
|
@gen.coroutine
|
|
def send_ws_message(self, path, message):
|
|
"""Send a WebSocket message to all the connected clients.
|
|
|
|
:param path: partial path used to build the WebSocket url
|
|
:type path: str
|
|
:param message: message to send
|
|
:type message: str
|
|
"""
|
|
try:
|
|
ws = yield tornado.websocket.websocket_connect(self.build_ws_url(path))
|
|
ws.write_message(message)
|
|
ws.close()
|
|
except Exception, e:
|
|
self.logger.error('Error yielding WebSocket message: %s', e)
|
|
|
|
|
|
class EventsHandler(CollectionHandler):
|
|
"""Handle requests for Events."""
|
|
document = 'event'
|
|
collection = 'events'
|
|
|
|
def filter_get(self, output):
|
|
if not self.has_permission('tickets-all|read'):
|
|
if 'tickets' in output:
|
|
output['tickets'] = []
|
|
return output
|
|
|
|
def filter_get_all(self, output):
|
|
if not self.has_permission('tickets-all|read'):
|
|
for event in output.get('events') or []:
|
|
if 'tickets' in event:
|
|
event['tickets'] = []
|
|
return output
|
|
|
|
def filter_input_post(self, data):
|
|
# Auto-generate the group_id, if missing.
|
|
if 'group_id' not in data:
|
|
data['group_id'] = self.gen_id()
|
|
return data
|
|
|
|
filter_input_post_all = filter_input_post
|
|
filter_input_put = filter_input_post
|
|
|
|
def filter_input_post_tickets(self, data):
|
|
# Avoid users to be able to auto-update their 'attendee' status.
|
|
if not self.has_permission('event|update'):
|
|
if 'attended' in data:
|
|
del data['attended']
|
|
return data
|
|
|
|
filter_input_put_tickets = filter_input_post_tickets
|
|
|
|
def handle_get_group_persons(self, id_, resource_id=None):
|
|
persons = []
|
|
this_query = {'_id': id_}
|
|
this_event = self.db.query('events', this_query)[0]
|
|
group_id = this_event.get('group_id')
|
|
if group_id is None:
|
|
return {'persons': persons}
|
|
this_persons = [p for p in (this_event.get('tickets') or []) if not p.get('cancelled')]
|
|
this_emails = filter(None, [p.get('email') for p in this_persons])
|
|
all_query = {'group_id': group_id}
|
|
events = self.db.query('events', all_query)
|
|
for event in events:
|
|
if id_ is not None and str(event.get('_id')) == id_:
|
|
continue
|
|
persons += [p for p in (event.get('tickets') or []) if p.get('email') and p.get('email') not in this_emails]
|
|
return {'persons': persons}
|
|
|
|
def _get_ticket_data(self, ticket_id_or_query, tickets):
|
|
"""Filter a list of tickets returning the first item with a given _id
|
|
or which set of keys specified in a dictionary match their respective values."""
|
|
for ticket in tickets:
|
|
if isinstance(ticket_id_or_query, dict):
|
|
if all(ticket.get(k) == v for k, v in ticket_id_or_query.iteritems()):
|
|
return ticket
|
|
else:
|
|
if str(ticket.get('_id')) == ticket_id_or_query:
|
|
return ticket
|
|
return {}
|
|
|
|
def handle_get_tickets(self, id_, resource_id=None):
|
|
# Return every ticket registered at this event, or the information
|
|
# about a specific ticket.
|
|
query = {'_id': id_}
|
|
event = self.db.query('events', query)[0]
|
|
if resource_id:
|
|
return {'ticket': self._get_ticket_data(resource_id, event.get('tickets') or [])}
|
|
tickets = self._filter_results(event.get('tickets') or [], self.arguments)
|
|
return {'tickets': tickets}
|
|
|
|
def handle_post_tickets(self, id_, resource_id, data):
|
|
uuid, arguments = self.uuid_arguments
|
|
self._clean_dict(data)
|
|
data['seq'] = self.get_next_seq('event_%s_tickets' % id_)
|
|
data['seq_hex'] = '%06X' % data['seq']
|
|
data['_id'] = ticket_id = self.gen_id()
|
|
ret = {'action': 'add', 'ticket': data, 'uuid': uuid}
|
|
merged, doc = self.db.update('events',
|
|
{'_id': id_},
|
|
{'tickets': data},
|
|
operation='appendUnique',
|
|
create=False)
|
|
if doc:
|
|
self.send_ws_message('event/%s/tickets/updates' % id_, json.dumps(ret))
|
|
ticket = self._get_ticket_data(ticket_id, doc.get('tickets') or [])
|
|
env = self._dict2env(ticket)
|
|
env.update({'PERSON_ID': ticket_id, 'TICKED_ID': ticket_id, 'EVENT_ID': id_,
|
|
'EVENT_TITLE': doc.get('title', ''), 'WEB_USER': self.current_user,
|
|
'WEB_REMOTE_IP': self.request.remote_ip})
|
|
stdin_data = {'new': ticket,
|
|
'event': doc,
|
|
'merged': merged
|
|
}
|
|
self.run_triggers('create_ticket_in_event', stdin_data=stdin_data, env=env)
|
|
return ret
|
|
|
|
def handle_put_tickets(self, id_, ticket_id, data):
|
|
# Update an existing entry for a ticket registered at this event.
|
|
self._clean_dict(data)
|
|
uuid, arguments = self.uuid_arguments
|
|
query = dict([('tickets.%s' % k, v) for k, v in arguments.iteritems()])
|
|
query['_id'] = id_
|
|
if ticket_id is not None:
|
|
query['tickets._id'] = ticket_id
|
|
ticket_query = {'_id': ticket_id}
|
|
else:
|
|
ticket_query = self.arguments
|
|
old_ticket_data = {}
|
|
current_event = self.db.query(self.collection, query)
|
|
if current_event:
|
|
current_event = current_event[0]
|
|
else:
|
|
current_event = {}
|
|
old_ticket_data = self._get_ticket_data(ticket_query,
|
|
current_event.get('tickets') or [])
|
|
merged, doc = self.db.update('events', query,
|
|
data, updateList='tickets', create=False)
|
|
new_ticket_data = self._get_ticket_data(ticket_query,
|
|
doc.get('tickets') or [])
|
|
env = self._dict2env(new_ticket_data)
|
|
# always takes the ticket_id from the new ticket
|
|
ticket_id = str(new_ticket_data.get('_id'))
|
|
env.update({'PERSON_ID': ticket_id, 'TICKED_ID': ticket_id, 'EVENT_ID': id_,
|
|
'EVENT_TITLE': doc.get('title', ''), 'WEB_USER': self.current_user,
|
|
'WEB_REMOTE_IP': self.request.remote_ip})
|
|
stdin_data = {'old': old_ticket_data,
|
|
'new': new_ticket_data,
|
|
'event': doc,
|
|
'merged': merged
|
|
}
|
|
self.run_triggers('update_ticket_in_event', stdin_data=stdin_data, env=env)
|
|
if old_ticket_data and old_ticket_data.get('attended') != new_ticket_data.get('attended'):
|
|
if new_ticket_data.get('attended'):
|
|
self.run_triggers('attends', stdin_data=stdin_data, env=env)
|
|
|
|
ret = {'action': 'update', '_id': ticket_id, 'ticket': new_ticket_data, 'uuid': uuid}
|
|
if old_ticket_data != new_ticket_data:
|
|
self.send_ws_message('event/%s/tickets/updates' % id_, json.dumps(ret))
|
|
return ret
|
|
|
|
def handle_delete_tickets(self, id_, ticket_id):
|
|
# Remove a specific ticket from the list of tickets registered at this event.
|
|
uuid, arguments = self.uuid_arguments
|
|
doc = self.db.query('events',
|
|
{'_id': id_, 'tickets._id': ticket_id})
|
|
ret = {'action': 'delete', '_id': ticket_id, 'uuid': uuid}
|
|
if doc:
|
|
ticket = self._get_ticket_data(ticket_id, doc[0].get('tickets') or [])
|
|
merged, rdoc = self.db.update('events',
|
|
{'_id': id_},
|
|
{'tickets': {'_id': ticket_id}},
|
|
operation='delete',
|
|
create=False)
|
|
self.send_ws_message('event/%s/tickets/updates' % id_, json.dumps(ret))
|
|
env = self._dict2env(ticket)
|
|
env.update({'PERSON_ID': ticket_id, 'TICKED_ID': ticket_id, 'EVENT_ID': id_,
|
|
'EVENT_TITLE': rdoc.get('title', ''), 'WEB_USER': self.current_user,
|
|
'WEB_REMOTE_IP': self.request.remote_ip})
|
|
stdin_data = {'old': ticket,
|
|
'event': rdoc,
|
|
'merged': merged
|
|
}
|
|
self.run_triggers('delete_ticket_in_event', stdin_data=stdin_data, env=env)
|
|
return ret
|
|
|
|
|
|
class UsersHandler(CollectionHandler):
|
|
"""Handle requests for Users."""
|
|
document = 'user'
|
|
collection = 'users'
|
|
|
|
def filter_get(self, data):
|
|
if 'password' in data:
|
|
del data['password']
|
|
if '_id' in data:
|
|
# Also add a 'tickets' list with all the tickets created by this user
|
|
tickets = []
|
|
events = self.db.query('events', {'tickets.created_by': data['_id']})
|
|
for event in events:
|
|
event_title = event.get('title') or ''
|
|
event_id = str(event.get('_id'))
|
|
evt_tickets = self._filter_results(event.get('tickets') or [], {'created_by': data['_id']})
|
|
for evt_ticket in evt_tickets:
|
|
evt_ticket['event_title'] = event_title
|
|
evt_ticket['event_id'] = event_id
|
|
tickets.extend(evt_tickets)
|
|
data['tickets'] = tickets
|
|
return data
|
|
|
|
def filter_get_all(self, data):
|
|
if 'users' not in data:
|
|
return data
|
|
for user in data['users']:
|
|
if 'password' in user:
|
|
del user['password']
|
|
return data
|
|
|
|
@gen.coroutine
|
|
@authenticated
|
|
def get(self, id_=None, resource=None, resource_id=None, acl=True, **kwargs):
|
|
if id_ is not None:
|
|
if (self.has_permission('user|read') or str(self.current_user_info.get('_id')) == id_):
|
|
acl = False
|
|
super(UsersHandler, self).get(id_, resource, resource_id, acl=acl, **kwargs)
|
|
|
|
def filter_input_post_all(self, data):
|
|
username = (data.get('username') or '').strip()
|
|
password = (data.get('password') or '').strip()
|
|
email = (data.get('email') or '').strip()
|
|
if not (username and password):
|
|
raise InputException('missing username or password')
|
|
res = self.db.query('users', {'username': username})
|
|
if res:
|
|
raise InputException('username already exists')
|
|
return {'username': username, 'password': utils.hash_password(password),
|
|
'email': email, '_id': self.gen_id()}
|
|
|
|
def filter_input_put(self, data):
|
|
old_pwd = data.get('old_password')
|
|
new_pwd = data.get('new_password')
|
|
if old_pwd is not None:
|
|
del data['old_password']
|
|
if new_pwd is not None:
|
|
del data['new_password']
|
|
authorized, user = self.user_authorized(data['username'], old_pwd)
|
|
if not (self.has_permission('user|update') or (authorized and self.current_user == data['username'])):
|
|
raise InputException('not authorized to change password')
|
|
data['password'] = utils.hash_password(new_pwd)
|
|
if '_id' in data:
|
|
# Avoid overriding _id
|
|
del data['_id']
|
|
return data
|
|
|
|
@gen.coroutine
|
|
@authenticated
|
|
def put(self, id_=None, resource=None, resource_id=None, **kwargs):
|
|
if id_ is None:
|
|
return self.build_error(status=404, message='unable to access the resource')
|
|
if not (self.has_permission('user|update') or str(self.current_user_info.get('_id')) == id_):
|
|
return self.build_error(status=401, message='insufficient permissions: user|update or current user')
|
|
super(UsersHandler, self).put(id_, resource, resource_id, **kwargs)
|
|
|
|
|
|
class EbCSVImportPersonsHandler(BaseHandler):
|
|
"""Importer for CSV files exported from Eventbrite."""
|
|
csvRemap = {
|
|
'Nome evento': 'event_title',
|
|
'ID evento': 'event_id',
|
|
'N. codice a barre': 'ebqrcode',
|
|
'Cognome acquirente': 'surname',
|
|
'Nome acquirente': 'name',
|
|
'E-mail acquirente': 'email',
|
|
'Cognome': 'surname',
|
|
'Nome': 'name',
|
|
'E-mail': 'email',
|
|
'Indirizzo e-mail': 'email',
|
|
'Tipologia biglietto': 'ticket_kind',
|
|
'Data partecipazione': 'attending_datetime',
|
|
'Data check-in': 'checkin_datetime',
|
|
'Ordine n.': 'order_nr',
|
|
'ID ordine': 'order_nr',
|
|
'Titolo professionale': 'job_title',
|
|
'Azienda': 'company',
|
|
'Prefisso': 'name_title',
|
|
'Prefisso (Sig., Sig.ra, ecc.)': 'name_title',
|
|
|
|
'Order #': 'order_nr',
|
|
'Prefix': 'name_title',
|
|
'First Name': 'name',
|
|
'Last Name': 'surname',
|
|
'Suffix': 'name_suffix',
|
|
'Email': 'email',
|
|
'Attendee #': 'attendee_nr',
|
|
'Barcode #': 'ebqrcode',
|
|
'Company': 'company'
|
|
}
|
|
|
|
@gen.coroutine
|
|
@authenticated
|
|
def post(self, **kwargs):
|
|
# import a CSV list of persons
|
|
event_handler = EventsHandler(self.application, self.request)
|
|
event_handler.db = self.db
|
|
event_id = None
|
|
try:
|
|
event_id = self.get_body_argument('targetEvent')
|
|
except:
|
|
pass
|
|
if event_id is None:
|
|
return self.build_error('invalid event')
|
|
reply = dict(total=0, valid=0, merged=0, new_in_event=0)
|
|
for fieldname, contents in self.request.files.iteritems():
|
|
for content in contents:
|
|
filename = content['filename']
|
|
parseStats, persons = utils.csvParse(content['body'], remap=self.csvRemap)
|
|
reply['total'] += parseStats['total']
|
|
reply['valid'] += parseStats['valid']
|
|
for person in persons:
|
|
person['attended'] = False
|
|
person['from_file'] = filename
|
|
event_handler.handle_post_persons(event_id, None, person)
|
|
reply['new_in_event'] += 1
|
|
self.write(reply)
|
|
|
|
|
|
class SettingsHandler(BaseHandler):
|
|
"""Handle requests for Settings."""
|
|
@gen.coroutine
|
|
@authenticated
|
|
def get(self, **kwargs):
|
|
query = self.arguments_tobool()
|
|
settings = self.db.query('settings', query)
|
|
self.write({'settings': settings})
|
|
|
|
|
|
class InfoHandler(BaseHandler):
|
|
"""Handle requests for information about the logged in user."""
|
|
@gen.coroutine
|
|
def get(self, **kwargs):
|
|
info = {}
|
|
user_info = self.current_user_info
|
|
if user_info:
|
|
info['user'] = user_info
|
|
info['authentication_required'] = self.authentication
|
|
self.write({'info': info})
|
|
|
|
|
|
class WebSocketEventUpdatesHandler(tornado.websocket.WebSocketHandler):
|
|
"""Manage WebSockets."""
|
|
def _clean_url(self, url):
|
|
url = re_slashes.sub('/', url)
|
|
ridx = url.rfind('?')
|
|
if ridx != -1:
|
|
url = url[:ridx]
|
|
return url
|
|
|
|
def open(self, event_id, *args, **kwargs):
|
|
self.uuid = self.get_argument('uuid')
|
|
url = self._clean_url(self.request.uri)
|
|
logging.debug('WebSocketEventUpdatesHandler.on_open event_id:%s url:%s' % (event_id, url))
|
|
_ws_clients.setdefault(url, {})
|
|
if self.uuid not in _ws_clients[url]:
|
|
_ws_clients[url][self.uuid] = self
|
|
logging.debug('WebSocketEventUpdatesHandler.on_open %s clients connected' % len(_ws_clients[url]))
|
|
|
|
def on_message(self, message):
|
|
url = self._clean_url(self.request.uri)
|
|
logging.debug('WebSocketEventUpdatesHandler.on_message url:%s' % url)
|
|
count = 0
|
|
_to_delete = set()
|
|
for uuid, client in _ws_clients.get(url, {}).iteritems():
|
|
try:
|
|
client.write_message(message)
|
|
except:
|
|
_to_delete.add(uuid)
|
|
continue
|
|
count += 1
|
|
for uuid in _to_delete:
|
|
try:
|
|
del _ws_clients[url][uuid]
|
|
except KeyError:
|
|
pass
|
|
logging.debug('WebSocketEventUpdatesHandler.on_message sent message to %d clients' % count)
|
|
|
|
|
|
class LoginHandler(RootHandler):
|
|
"""Handle user authentication requests."""
|
|
|
|
@gen.coroutine
|
|
def get(self, **kwargs):
|
|
# show the login page
|
|
if self.is_api():
|
|
self.set_status(401)
|
|
self.write({'error': True,
|
|
'message': 'authentication required'})
|
|
|
|
@gen.coroutine
|
|
def post(self, *args, **kwargs):
|
|
# authenticate a user
|
|
try:
|
|
password = self.get_body_argument('password')
|
|
username = self.get_body_argument('username')
|
|
except tornado.web.MissingArgumentError:
|
|
data = escape.json_decode(self.request.body or '{}')
|
|
username = data.get('username')
|
|
password = data.get('password')
|
|
if not (username and password):
|
|
self.set_status(401)
|
|
self.write({'error': True, 'message': 'missing username or password'})
|
|
return
|
|
authorized, user = self.user_authorized(username, password)
|
|
if authorized and user.get('username'):
|
|
username = user['username']
|
|
logging.info('successful login for user %s' % username)
|
|
self.set_secure_cookie("user", username)
|
|
self.write({'error': False, 'message': 'successful login'})
|
|
return
|
|
logging.info('login failed for user %s' % username)
|
|
self.set_status(401)
|
|
self.write({'error': True, 'message': 'wrong username and password'})
|
|
|
|
|
|
class LogoutHandler(BaseHandler):
|
|
"""Handle user logout requests."""
|
|
@gen.coroutine
|
|
def get(self, **kwargs):
|
|
# log the user out
|
|
logging.info('logout')
|
|
self.logout()
|
|
self.write({'error': False, 'message': 'logged out'})
|
|
|
|
|
|
def run():
|
|
"""Run the Tornado web application."""
|
|
# command line arguments; can also be written in a configuration file,
|
|
# specified with the --config argument.
|
|
define("port", default=5242, help="run on the given port", type=int)
|
|
define("address", default='', help="bind the server at the given address", type=str)
|
|
define("data_dir", default=os.path.join(os.path.dirname(__file__), "data"),
|
|
help="specify the directory used to store the data")
|
|
define("ssl_cert", default=os.path.join(os.path.dirname(__file__), 'ssl', 'eventman_cert.pem'),
|
|
help="specify the SSL certificate to use for secure connections")
|
|
define("ssl_key", default=os.path.join(os.path.dirname(__file__), 'ssl', 'eventman_key.pem'),
|
|
help="specify the SSL private key to use for secure connections")
|
|
define("mongo_url", default=None,
|
|
help="URL to MongoDB server", type=str)
|
|
define("db_name", default='eventman',
|
|
help="Name of the MongoDB database to use", type=str)
|
|
define("authentication", default=False, help="if set to true, authentication is required")
|
|
define("debug", default=False, help="run in debug mode")
|
|
define("config", help="read configuration file",
|
|
callback=lambda path: tornado.options.parse_config_file(path, final=False))
|
|
tornado.options.parse_command_line()
|
|
|
|
logger = logging.getLogger()
|
|
logger.setLevel(logging.INFO)
|
|
if options.debug:
|
|
logger.setLevel(logging.DEBUG)
|
|
|
|
ssl_options = {}
|
|
if os.path.isfile(options.ssl_key) and os.path.isfile(options.ssl_cert):
|
|
ssl_options = dict(certfile=options.ssl_cert, keyfile=options.ssl_key)
|
|
|
|
# database backend connector
|
|
db_connector = backend.EventManDB(url=options.mongo_url, dbName=options.db_name)
|
|
init_params = dict(db=db_connector, data_dir=options.data_dir, listen_port=options.port,
|
|
authentication=options.authentication, logger=logger, ssl_options=ssl_options)
|
|
|
|
# If not present, we store a user 'admin' with password 'eventman' into the database.
|
|
if not db_connector.query('users', {'username': 'admin'}):
|
|
db_connector.add('users',
|
|
{'username': 'admin', 'password': utils.hash_password('eventman'),
|
|
'permissions': ['admin|all']})
|
|
|
|
# If present, use the cookie_secret stored into the database.
|
|
cookie_secret = db_connector.query('settings', {'setting': 'server_cookie_secret'})
|
|
if cookie_secret:
|
|
cookie_secret = cookie_secret[0]['cookie_secret']
|
|
else:
|
|
# the salt guarantees its uniqueness
|
|
cookie_secret = utils.hash_password('__COOKIE_SECRET__')
|
|
db_connector.add('settings',
|
|
{'setting': 'server_cookie_secret', 'cookie_secret': cookie_secret})
|
|
|
|
_ws_handler = (r"/ws/+event/+(?P<event_id>[\w\d_-]+)/+tickets/+updates/?", WebSocketEventUpdatesHandler)
|
|
_events_path = r"/events/?(?P<id_>[\w\d_-]+)?/?(?P<resource>[\w\d_-]+)?/?(?P<resource_id>[\w\d_-]+)?"
|
|
_users_path = r"/users/?(?P<id_>[\w\d_-]+)?/?(?P<resource>[\w\d_-]+)?/?(?P<resource_id>[\w\d_-]+)?"
|
|
application = tornado.web.Application([
|
|
(_events_path, EventsHandler, init_params),
|
|
(r'/v%s%s' % (API_VERSION, _events_path), EventsHandler, init_params),
|
|
(_users_path, UsersHandler, init_params),
|
|
(r'/v%s%s' % (API_VERSION, _users_path), UsersHandler, init_params),
|
|
(r"/(?:index.html)?", RootHandler, init_params),
|
|
(r"/ebcsvpersons", EbCSVImportPersonsHandler, init_params),
|
|
(r"/settings", SettingsHandler, init_params),
|
|
(r"/info", InfoHandler, init_params),
|
|
_ws_handler,
|
|
(r'/login', LoginHandler, init_params),
|
|
(r'/v%s/login' % API_VERSION, LoginHandler, init_params),
|
|
(r'/logout', LogoutHandler),
|
|
(r'/v%s/logout' % API_VERSION, LogoutHandler),
|
|
(r'/(.*)', tornado.web.StaticFileHandler, {"path": "angular_app"})
|
|
],
|
|
template_path=os.path.join(os.path.dirname(__file__), "templates"),
|
|
static_path=os.path.join(os.path.dirname(__file__), "static"),
|
|
cookie_secret='__COOKIE_SECRET__',
|
|
login_url='/login',
|
|
debug=options.debug)
|
|
http_server = tornado.httpserver.HTTPServer(application, ssl_options=ssl_options or None)
|
|
logger.info('Start serving on %s://%s:%d', 'https' if ssl_options else 'http',
|
|
options.address if options.address else '127.0.0.1',
|
|
options.port)
|
|
http_server.listen(options.port, options.address)
|
|
|
|
# Also listen on options.port+1 for our local ws connection.
|
|
ws_application = tornado.web.Application([_ws_handler], debug=options.debug)
|
|
ws_http_server = tornado.httpserver.HTTPServer(ws_application)
|
|
ws_http_server.listen(options.port+1, address='127.0.0.1')
|
|
logger.debug('Starting WebSocket on %s://127.0.0.1:%d', 'wss' if ssl_options else 'ws', options.port+1)
|
|
tornado.ioloop.IOLoop.instance().start()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
run()
|
|
except KeyboardInterrupt:
|
|
print('Stop server')
|