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########################################################################
# $Header: /var/local/cvsroot/4Suite/Ft/Server/Server/SCore/GroupImp.py,v 1.17 2005/01/07 19:48:38 jkloth Exp $
"""
Group repository resource class
Copyright 2003 Fourthought, Inc. (USA).
Detailed license and copyright information: http://4suite.org/COPYRIGHT
Project home, documentation, distributions: http://4suite.org/
"""
import XmlDocumentImp, GroupableObjectMixin
from Ft.Server import FTSERVER_NAMESPACE
from Ft.Server.Common import ResourceTypes, Schema, XmlLib
from Ft.Server.Server import FtServerServerException, Error
from Ft.Server.Server.Drivers import FtssDriver
from Ft.Xml import XPath
from Ft.Xml.XLink import XLINK_NAMESPACE
class GroupImp(XmlDocumentImp.XmlDocumentImp,
GroupableObjectMixin.GroupableObjectMixin):
"""
Contains implementation for a group resource which is a set of specified users
"""
resourceType = ResourceTypes.ResourceType.GROUP
def addMember(self, user):
"""
Add a member to this group
"""
if not (user.isResourceType(ResourceTypes.ResourceType.USER) or user.isResourceType(ResourceTypes.ResourceType.GROUP)):
raise FtServerServerException(Error.INVALID_GROUP_MEMBER,
type=user.getResourceType())
if user.getMetaDataResource().getAbsolutePath() in self.getMemberPaths():
uName = user.getName()
raise FtServerServerException(Error.ALREADY_GROUP_MEMBER,
groupName=self._path.absolutePath,
userName=user.getAbsolutePath())
xu = NEW_GROUP_MEMBER_XUPDATE%(FTSERVER_NAMESPACE,XLINK_NAMESPACE,
user.getPath().absolutePath)
xu = XmlLib.MakeString(xu)
self._driver.xupdateContent(self._path, xu)
def getMembers(self):
"""
Get a list of all the users that are members of this group
"""
res = []
for path in self.getMemberPaths():
path = self._basePath.normalize(path)
res.append(self._fetchResource(path))
return res
def getMemberPaths(self):
"""
Get a list of names of all users that are members of this group
"""
return map(lambda x: x.object[:-9],
self._driver.getSystemModel().complete(self.getAbsolutePath(),
Schema.GROUP_MEMBER,
None))
def removeMember(self, user):
"""
Remove a user from this group
"""
if user.getAbsolutePath() not in self.getMemberPaths():
uName = user.getName()
raise FtServerServerException(Error.ALREADY_GROUP_MEMBER,
groupName=self._path,
userName=uName)
xu = REMOVE_GROUP_MEMBER_XUPDATE%(FTSERVER_NAMESPACE,XLINK_NAMESPACE,
user.getAbsolutePath())
xu = XmlLib.MakeString(xu)
self._driver.xupdateContent(self._path, xu)
_usernameExpression = XPath.Compile('string(ftss:Group/@name)')
def getUsername(self):
"""
Get the username of this group
"""
self._verifyTx()
con = self.toXPathContext()
res = self._usernameExpression.evaluate(con)
return res
def NewGroupXml(driver, name, path, acl, owner, docDef):
content = """<ftss:Group xmlns:ftss="%s" name='%s'>
<ftss:Members/>
</ftss:Group>""" % (FTSERVER_NAMESPACE,name)
content = XmlLib.MakeString(content)
a = driver.aclToXml(acl)
t = FtssDriver.CurrentTime()
docDef = docDef or Schema.NULL_DOCDEF
md = """<ftss:MetaData xmlns:ftss="%s" path='%s' type='%s' creation-date='%s' document-definition='%s'>
%s
<ftss:LastModifiedDate>%s</ftss:LastModifiedDate>
<ftss:Owner>%s</ftss:Owner>
<ftss:Imt>text/xml</ftss:Imt>
<ftss:Size>%d</ftss:Size>
</ftss:MetaData>
""" % (FTSERVER_NAMESPACE, path,
Schema.g_rdfResourceTypes[ResourceTypes.ResourceType.GROUP],
t, docDef, a, t, owner, len(content))
return XmlLib.MakeString(md), content
NEW_GROUP_MEMBER_XUPDATE="""<xupdate:modifications
version="1.0"
xmlns:xupdate="http://www.xmldb.org/xupdate"
xmlns:ftss="%s"
xmlns:xlink="%s"
>
<xupdate:append select="/ftss:Group/ftss:Members" child="last()">
<ftss:MemberReference xlink:type="simple" xlink:href="%s;metadata" xlink:actuate="onLoad" xlink:show="embed"/>
</xupdate:append>
</xupdate:modifications>
"""
REMOVE_GROUP_MEMBER_XUPDATE="""<xupdate:modifications
version="1.0"
xmlns:xupdate="http://www.xmldb.org/xupdate"
xmlns:ftss="%s"
xmlns:xlink="%s"
>
<xupdate:remove select="/ftss:Group/ftss:Members/ftss:MemberReference[@xlink:href='%s;metadata']"/>
</xupdate:modifications>
"""
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