247 lines
8.9 KiB
Python
Executable File
247 lines
8.9 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: iso-8859-15 -*-
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# Glasnost
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# By: Odile Bénassy <obenassy@entrouvert.com>
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# Romain Chantereau <rchantereau@entrouvert.com>
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# Nicolas Clapiès <nclapies@easter-eggs.org>
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# Pierre-Antoine Dejace <padejace@entrouvert.be>
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# Thierry Dulieu <tdulieu@easter-eggs.com>
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# Florent Monnier <monnier@codelutin.com>
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# Cédric Musso <cmusso@easter-eggs.org>
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# Frédéric Péters <fpeters@entrouvert.be>
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# Benjamin Poussin <poussin@codelutin.com>
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# Emmanuel Raviart <eraviart@entrouvert.com>
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# Sébastien Régnier <regnier@codelutin.com>
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# Emmanuel Saracco <esaracco@easter-eggs.com>
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#
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# Copyright (C) 2000, 2001 Easter-eggs & Emmanuel Raviart
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# Copyright (C) 2002 Odile Bénassy, Code Lutin, Thierry Dulieu, Easter-eggs,
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# Entr'ouvert, Frédéric Péters, Benjamin Poussin, Emmanuel Raviart,
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# Emmanuel Saracco & Théridion
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# Copyright (C) 2003 Odile Bénassy, Romain Chantereau, Nicolas Clapiès,
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# Code Lutin, Pierre-Antoine Dejace, Thierry Dulieu, Easter-eggs,
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# Entr'ouvert, Florent Monnier, Cédric Musso, Ouvaton, Frédéric Péters,
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# Benjamin Poussin, Rodolphe Quiédeville, Emmanuel Raviart, Sébastien
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# Régnier, Emmanuel Saracco, Théridion & Vecam
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program 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 this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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__doc__ = """Glasnost Sessions Server"""
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__version__ = '$Revision$'[11:-2]
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import sys
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import time
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import whrandom
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glasnostPythonDir = '/usr/local/lib/glasnost-devel' # changed on make install
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sys.path.insert(0, glasnostPythonDir)
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import glasnost
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import glasnost.common.faults as faults
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import glasnost.common.tools_new as commonTools
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from glasnost.server.ObjectsServer import Server, VirtualServer
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from glasnost.server.tools import *
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applicationName = 'SessionsServer'
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applicationRole = 'sessions'
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dispatcher = None
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# Don't forget to also change the value in AuthenticationServer.py.
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expirationTime = 120
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class SessionsVirtualServer(VirtualServer):
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objects = None
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def init(self):
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VirtualServer.init(self)
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self.objects = {None: []}
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def initFromOldData(self, data):
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VirtualServer.initFromOldData(self, data)
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self.objects = data
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class SessionsServer(Server):
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VirtualServer = SessionsVirtualServer
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def deleteObject(self, sessionToken):
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virtualServerId = context.getVar('applicationId')
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virtualServer = self.getVirtualServer(virtualServerId)
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virtualServer.lock.acquire()
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if not virtualServer.objects.has_key(sessionToken):
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virtualServer.lock.release()
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raise faults.UnknownSessionToken(sessionToken)
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self.rememberOldSession(virtualServer,
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virtualServer.objects[sessionToken])
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del virtualServer.objects[sessionToken]
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virtualServer.lock.release()
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virtualServer.markCoreAsDirty()
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#invalidateValue(no id!)
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def getObject(self, sessionToken, ipAddress):
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virtualServerId = context.getVar('applicationId')
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virtualServer = self.getVirtualServer(virtualServerId)
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if not virtualServer.objects.has_key(sessionToken):
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raise faults.UnknownSessionToken(sessionToken)
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session = virtualServer.objects[sessionToken]
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if time.time() > session['expirationTime']:
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self.deleteObject(sessionToken)
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raise faults.UnknownSessionToken(sessionToken)
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if session['ipAddress'] != ipAddress:
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raise faults.InvalidSessionToken(sessionToken)
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session['endTime'] = time.time()
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session['expirationTime'] = time.time() + expirationTime
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virtualServer.markCoreAsDirty()
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return session
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def getHistory(self):
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virtualServerId = context.getVar('applicationId')
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virtualServer = self.getVirtualServer(virtualServerId)
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peopleProxy = getProxyForServerRole('people')
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if not peopleProxy.isAdmin(
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serverId = commonTools.extractServerId(virtualServerId)):
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raise faults.UserAccessDenied()
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now = time.time()
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for sessionToken, session in virtualServer.objects.items():
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if sessionToken is None:
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continue
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if not session.has_key('userId'):
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continue
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if session['expirationTime'] < now:
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self.rememberOldSession(virtualServer,
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virtualServer.objects[sessionToken])
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del virtualServer.objects[sessionToken]
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result = virtualServer.objects[None][:]
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for sessionToken, session in virtualServer.objects.items():
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if sessionToken is None:
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continue
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if not session.has_key('userId'):
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continue
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activeSession = {}
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for k in ('startTime', 'expirationTime', 'ipAddress', 'userId'):
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activeSession[k] = session[k]
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result.append(activeSession)
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return result
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def init(self):
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self.randomGenerator = whrandom.whrandom()
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Server.init(self)
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def loadConfigOptions(self):
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Server.loadConfigOptions(self)
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# Default expiration time is 120 minutes.
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global expirationTime
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expirationTime = int(
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commonTools.getConfig('Misc', 'ExpirationTime', '120')) * 60
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def newObject(self, ipAddress):
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virtualServerId = context.getVar('applicationId')
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virtualServer = self.getVirtualServer(virtualServerId)
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virtualServer.lock.acquire()
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while 1:
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sessionToken = str(self.randomGenerator.uniform(0.1, 1))[2:]
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if not virtualServer.objects.has_key(sessionToken):
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break
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session = {
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'sessionToken': sessionToken,
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'version': 0,
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'startTime': time.time(),
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'endTime': time.time(),
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'expirationTime': time.time() + expirationTime,
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'ipAddress': ipAddress,
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}
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virtualServer.objects[sessionToken] = session
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virtualServer.lock.release()
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virtualServer.markCoreAsDirty()
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return session
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def registerPublicMethods(self):
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Server.registerPublicMethods(self)
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self.registerPublicMethod('deleteObject')
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self.registerPublicMethod('getHistory')
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self.registerPublicMethod('getObject')
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self.registerPublicMethod('newObject')
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self.registerPublicMethod('setObject')
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def rememberOldSession(self, virtualServer, session):
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if not session.has_key('userId'):
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return
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oldSession = {}
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for k in ('startTime', 'endTime', 'ipAddress', 'userId'):
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oldSession[k] = session[k]
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virtualServer.objects[None].append(oldSession)
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def repairVirtualServer(self, virtualServer, version):
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changed = 0
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now = time.time()
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for sessionToken, session in virtualServer.objects.items():
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if sessionToken is None:
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continue
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self.rememberOldSession(virtualServer, session)
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del virtualServer.objects[sessionToken]
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changed = 1
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if changed:
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virtualServer.markAllAsDirtyFIXME()
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def setObject(self, sessionChanges):
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virtualServerId = context.getVar('applicationId')
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virtualServer = self.getVirtualServer(virtualServerId)
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if not sessionChanges.has_key('sessionToken'):
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raise faults.UnknownSessionToken(None)
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sessionToken = sessionChanges['sessionToken']
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virtualServer.lock.acquire()
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if not virtualServer.objects.has_key(sessionToken):
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virtualServer.lock.release()
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raise faults.UnknownSessionToken(sessionToken)
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session = virtualServer.objects[sessionToken]
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if session.has_key('userId') and \
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not sessionChanges.has_key('userId'):
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# the user logged out
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self.rememberOldSession(virtualServer, session)
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version = session['version']
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if version != sessionChanges['version']:
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virtualServer.lock.release()
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raise faults.WrongVersion()
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session = sessionChanges
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version += 1
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session['version'] = version
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virtualServer.objects[sessionToken] = session
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virtualServer.lock.release()
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virtualServer.markCoreAsDirty()
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#invalidateValue(no id!)
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return version
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sessionsServer = SessionsServer()
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if __name__ == "__main__":
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sessionsServer.launch(applicationName, applicationRole)
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