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# This file is part of Buildbot. Buildbot is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
#
# Insipration, and some code, from:
# :copyright: (c) 2011 by the Werkzeug Team, see Werkzeug's AUTHORS for more
# details.
try:
from hashlib import sha1
sha1 = sha1 # make pyflakes happy
except ImportError:
from sha import new as sha1
from time import time
from random import random
from datetime import datetime, timedelta
import os
def _urandom():
if hasattr(os, 'urandom'):
return os.urandom(30)
return random()
def generate_cookie():
return sha1('%s%s' % (time(), _urandom())).hexdigest()
class Session(object):
"""I'm a user's session. Contains information about a user's session
a user can have several session
a session is associated with a cookie
"""
user = ""
infos = {}
def __init__(self, user, infos):
self.user = user
self.infos = infos
self.renew()
def renew(self):
# one day expiration. hardcoded for now...
self.expiration = datetime.now()+ timedelta(1)
return self.expiration
def expired(self):
return datetime.now() > self.expiration
def userInfosHTML(self):
return ('%(fullName)s [<a href="mailto:%(email)s">%(email)s</a>]' %
(self.infos))
def getExpiration(self):
delim = '-'
d = self.expiration.utctimetuple()
return '%s, %02d%s%s%s%s %02d:%02d:%02d GMT' % (
('Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun')[d.tm_wday],
d.tm_mday, delim,
('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
'Oct', 'Nov', 'Dec')[d.tm_mon - 1],
delim, str(d.tm_year), d.tm_hour, d.tm_min, d.tm_sec
)
class SessionManager(object):
"""I'm the session manager. Holding the current sessions
managing cookies, and their expiration
KISS version for the moment:
The sessions are stored in RAM so that you have to relogin after buildbot
reboot
Old sessions are searched at every connection, which is not very good for
scaling
"""
# borg pattern (similar to singleton) not too loose sessions with reconfig
__shared_state = dict(sessions={},users={})
def __init__(self):
self.__dict__ = self.__shared_state
def new(self, user, infos):
cookie = generate_cookie()
user = infos["userName"]
self.users[user] = self.sessions[cookie] = s = Session(user, infos)
return cookie, s
def gc(self):
"""remove old cookies"""
expired = []
for cookie in self.sessions:
s = self.sessions[cookie]
if s.expired():
expired.append(cookie)
for cookie in expired:
del self.sessions[cookie]
def get(self, cookie):
self.gc()
if cookie in self.sessions:
return self.sessions[cookie]
return None
def remove(self, cookie):
if cookie in self.sessions:
del self.sessions[cookie]
def getUser(self, user):
return self.users.get(user)
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