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# $Header: /var/local/cvsroot/4Suite/Ft/Server/Server/Xslt/User.py,v 1.21 2005/04/06 23:05:46 jkloth Exp $
"""
XSLT extension elements and functions supporting the 4SS User API
Copyright 2004 Fourthought, Inc. (USA).
Detailed license and copyright information: http://4suite.org/COPYRIGHT
Project home, documentation, distributions: http://4suite.org/
"""
import sha
from Ft.Lib import boolean
from Ft.Server import FTSERVER_NAMESPACE
from Ft.Server.Server import FtServerServerException, Error
from Ft.Server.Common import ResourceTypes
from Ft.Xml.XPath import Conversions
from Ft.Xml.Xslt import XsltElement, ContentInfo, AttributeInfo
from Ns import SCORE_NS
import FtssXsltBase
def GetUserName(context, path):
"""
Get the user name given the path to a user resource.
If the path is invalid or does not give a user object, '' is returned.
"""
path = Conversions.StringValue(path)
try:
username = FtssXsltBase.FetchBaseObject(context.processor, path).getUsername()
except (FtServerServerException, AttributeError):
username = u''
return username
class SetUserNameElement(XsltElement):
"""
Set the username of a user resource.
"""
content = ContentInfo.Empty
legalAttrs = {
'path' : AttributeInfo.UriReferenceAvt(
required=1, description='The path of the user'),
'new-name' : AttributeInfo.StringAvt(
required=1, description='The new name'),
}
def instantiate(self, context, processor):
context.setProcessState(self)
path = self._path.evaluate(context)
name = self._new_name.evaluate(context)
user = FtssXsltBase.FetchBaseObject(processor, path)
user.setUsername(name)
return
def SetUserData(context, key, value, path=None):
"""
Sets property data associated with a user
"""
key = Conversions.StringValue(key)
value = Conversions.StringValue(value)
repo = context.processor._repository
if path:
user = FtssXsltBase.FetchBaseObject(context.processor,
Conversions.StringValue(path))
else:
user = repo.getCurrentUser()
if user is not None:
if user.has_key(key):
print "Xslt/User: Value '" + value + "' replaces value '" + user[key] + "' for key '" + key + "' in user data."
user[key] = value
context.processor.extensionParams[(FTSERVER_NAMESPACE,'commit')]=1
return boolean.true
else:
print "Xslt/User: set-user-data() called but there is no current repo user."
return boolean.false
def GetUserData(context, key, path=None):
"""
Gets property data associated with a user
"""
key = Conversions.StringValue(key)
repo = context.processor._repository
if path:
user = FtssXsltBase.FetchBaseObject(context.processor,Conversions.StringValue(path))
else:
user = repo.getCurrentUser()
if user is not None:
if user.has_key(key):
return user[key]
else:
print "Xslt/User: Key '" + key + "' not found in user data."
else:
print "Xslt/User: get-user-data() called but there is no current repo user."
return ''
def GetUserDataKeys(context, path=None):
"""
Gets the names of properties associated with a user
"""
if path:
user = FtssXsltBase.FetchBaseObject(context.processor,Conversions.StringValue(path))
else:
user = repo.getCurrentUser()
doc = context.node.rootNode
return map(doc.createTextNode, user.keys())
def RemoveUserData(context, key, path=None):
"""
Erases property data associated with a user
"""
key = Conversions.StringValue(key)
repo = context.processor._repository
if path:
user = FtssXsltBase.FetchBaseObject(context.processor,Conversions.StringValue(path))
else:
user = repo.getCurrentUser()
if user is not None:
if user.has_key(key):
print "Xslt/User: Key '" + key + "' with value '" + user[key] + "' removed from user data."
del user[key]
return boolean.true
else:
print "Xslt/User: Key '" + key + "not found in user data."
else:
print "Xslt/User: remove-user-data() called but there is no current repo user."
return boolean.false
class ChangeUserPasswordElement(XsltElement):
"""
Changes the password of the specified user resource.
"""
content = ContentInfo.Empty
legalAttrs = {
'path' : AttributeInfo.UriReferenceAvt(
required=1, description='The path of the user'),
'new-password' : AttributeInfo.StringAvt(
description=('The new password. If not specified, will remove the '
'password for this user.')),
}
def instantiate(self, context, processor):
context.setProcessState(self)
path = self._path.evaluate(context)
password = self._new_password.evaluate(context) or ''
hashedPW = sha.new(password).hexdigest()
user = FtssXsltBase.FetchBaseObject(processor, path)
user.setPassword(hashedPW)
return
ExtFunctions = {
(SCORE_NS, 'get-username'): GetUserName,
(SCORE_NS, 'get-user-data'): GetUserData,
(SCORE_NS, 'get-user-data-keys'): GetUserDataKeys,
(SCORE_NS, 'set-user-data'): SetUserData,
(SCORE_NS, 'remove-user-data'): RemoveUserData,
}
ExtElements = {
(SCORE_NS, 'change-password'): ChangeUserPasswordElement,
(SCORE_NS, 'set-username'): SetUserNameElement,
}
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