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glasnost/servers/GroupsServer/GroupsServer.py

254 lines
9.1 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: iso-8859-15 -*-
# Glasnost
# By: Odile Bénassy <obenassy@entrouvert.com>
# Romain Chantereau <rchantereau@entrouvert.com>
# Nicolas Clapiès <nclapies@easter-eggs.org>
# Pierre-Antoine Dejace <padejace@entrouvert.be>
# Thierry Dulieu <tdulieu@easter-eggs.com>
# Florent Monnier <monnier@codelutin.com>
# Cédric Musso <cmusso@easter-eggs.org>
# Frédéric Péters <fpeters@entrouvert.be>
# Benjamin Poussin <poussin@codelutin.com>
# Emmanuel Raviart <eraviart@entrouvert.com>
# Sébastien Régnier <regnier@codelutin.com>
# Emmanuel Saracco <esaracco@easter-eggs.com>
#
# Copyright (C) 2000, 2001 Easter-eggs & Emmanuel Raviart
# Copyright (C) 2002 Odile Bénassy, Code Lutin, Thierry Dulieu, Easter-eggs,
# Entr'ouvert, Frédéric Péters, Benjamin Poussin, Emmanuel Raviart,
# Emmanuel Saracco & Théridion
# Copyright (C) 2003 Odile Bénassy, Romain Chantereau, Nicolas Clapiès,
# Code Lutin, Pierre-Antoine Dejace, Thierry Dulieu, Easter-eggs,
# Entr'ouvert, Florent Monnier, Cédric Musso, Ouvaton, Frédéric Péters,
# Benjamin Poussin, Rodolphe Quiédeville, Emmanuel Raviart, Sébastien
# Régnier, Emmanuel Saracco, Théridion & Vecam
#
# This program 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; either version 2
# of the License, or (at your option) any later version.
#
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
__doc__ = """Glasnost Groups Server"""
__version__ = '$Revision$'[11:-2]
import sys
glasnostPythonDir = '/usr/local/lib/glasnost-devel' # changed on make install
sys.path.insert(0, glasnostPythonDir)
import glasnost.common.context as context
import glasnost.common.GroupsCommon as commonGroups
import glasnost.common.faults as faults
import glasnost.common.tools_new as commonTools
import glasnost.server.ObjectsServer as objects
from glasnost.server.tools import *
from glasnost.proxy.CacheProxy import invalidateValue
from glasnost.proxy.DispatcherProxy import getApplicationId
from glasnost.proxy.tools import getProxy
applicationName = 'GroupsServer'
applicationRole = 'groups'
dispatcher = None
class AdminGroups(objects.AdminServerMixin, commonGroups.AdminGroups):
pass
objects.register(AdminGroups)
class GroupMixin(objects.ObjectServerMixin):
def getGroup(self, groupId):
if commonTools.extractDispatcherId(groupId) == context.getVar(
'dispatcherId'):
return self.getServer().getInternalGroup(groupId)
else:
print '### External group: %s' % groupId
return getProxy(groupId).getObject(groupId)
class GroupAll(GroupMixin, commonGroups.GroupAll):
pass
objects.register(GroupAll)
class GroupDelta(GroupMixin, commonGroups.GroupDelta):
pass
objects.register(GroupDelta)
class GroupIntersection(GroupMixin, commonGroups.GroupIntersection):
pass
objects.register(GroupIntersection)
class GroupUnion(GroupMixin, commonGroups.GroupUnion):
pass
objects.register(GroupUnion)
### FIXME: To remove later.
Group = GroupUnion
class GroupsServer(commonGroups.GroupsCommonMixin, objects.ObjectsServer):
def addObjectMember(self, objectId, memberId):
"""Add a member to an union group."""
virtualServerId = context.getVar('applicationId')
virtualServer = self.getVirtualServer(virtualServerId)
if not self.isAdmin():
clientToken = context.getVar('clientToken')
clientId = getApplicationId(clientToken)
clientNameAndPort, clientRole = splitApplicationId(clientId)
if clientRole != 'people':
raise faults.UserAccessDenied()
object = virtualServer.loadObjectCore(objectId)
if not isinstance(object, GroupUnion):
raise faults.NotAGroupUnion(object)
object.acquireNonCore()
try:
if not object.canBeModified():
raise faults.ReadOnlyObject()
object.version += 1
if object.membersSet is None:
object.membersSet = []
object.membersSet.append(memberId)
object.saveNonCore()
finally:
object.releaseNonCore()
virtualServer.markObjectAsDirty(object)
invalidateValue(objectId)
return object.version
def canGetObject(self, objectId):
"""An object is always readable by everybody."""
return 1
def deleteObjectMember(self, objectId, memberId):
"""Remove a member from an union group."""
virtualServerId = context.getVar('applicationId')
virtualServer = self.getVirtualServer(virtualServerId)
if not self.isAdmin():
clientToken = context.getVar('clientToken')
clientId = getApplicationId(clientToken)
clientNameAndPort, clientRole = splitApplicationId(clientId)
if clientRole != 'people':
raise faults.UserAccessDenied()
object = virtualServer.loadObjectCore(objectId)
if not isinstance(object, GroupUnion):
raise faults.NotAGroupUnion(object)
object.acquireNonCore()
try:
if not object.canBeModified():
raise faults.ReadOnlyObject()
object.version += 1
if object.membersSet is None:
object.membersSet = []
if memberId in object.membersSet:
object.membersSet.remove(memberId)
else:
# trying to remove non-existent object;
# should it raise an exception ?
pass
object.saveNonCore()
finally:
object.releaseNonCore()
virtualServer.markObjectAsDirty(object)
invalidateValue(objectId)
return object.version
def getInternalGroup(self, groupId):
virtualServerId = self.computeVirtualServerId(groupId)
virtualServer = self.getVirtualServer(virtualServerId)
group = virtualServer.loadObjectCore(groupId)
return group
def getObjectIdsWithContent(self, objectId, indirect = 0):
virtualServerId = context.getVar('applicationId')
virtualServer = self.getVirtualServer(virtualServerId)
result = []
for object in virtualServer.objects.values():
if object.contains(objectId, indirect = indirect):
result.append(object.id)
return result
def objectContains(self, objectId, containedId):
virtualServerId = context.getVar('applicationId')
virtualServer = self.getVirtualServer(virtualServerId)
object = virtualServer.loadObjectCore(objectId)
result = object.contains(containedId)
return result
def registerPublicMethods(self):
objects.ObjectsServer.registerPublicMethods(self)
self.registerPublicMethod('addObjectMember')
self.registerPublicMethod('deleteObjectMember')
self.registerPublicMethod('getObjectIdsWithContent')
self.registerPublicMethod('objectContains')
def repairVirtualServer(self, virtualServer, version):
changed = 0
if version < 4000:
changed = virtualServer.admin.repair(4000) or changed
for id, object in virtualServer.objects.items():
newId = repairId(id)
if newId:
changed = 1
del virtualServer.objects[id]
virtualServer.objects[newId] = object
changed = object.repair(4000) or changed
if not object.__dict__.has_key('language'):
changed = 1
object.language = 'fr'
if version < 5004:
changed = virtualServer.admin.repair(5004) or changed
for id, object in virtualServer.objects.items():
changed = object.repair(5004) or changed
if version <= 1013000:
admin = virtualServer.admin
if admin.id is None:
changed = 1
admin.id = '%s/__admin__' % virtualServer.virtualServerId
if version <= 1054000:
changed = 1
admin = virtualServer.admin
for object in virtualServer.objects.values():
object.writersSet = admin.writersSet
if version <= 1055000:
for object in virtualServer.objects.values():
if hasattr(object, 'readersSet'):
changed = 1
del object.readersSet
if version <= 1056000:
# Class Group has been renamed GroupUnion.
changed = 1
if changed:
virtualServer.markAllAsDirtyFIXME()
groupsServer = GroupsServer()
if __name__ == "__main__":
groupsServer.launch(applicationName, applicationRole)