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import os
from pickle import dumps, loads
from base64 import b64encode, b64decode
import copy
import cherrypy
import turbogears
from turbogears import controllers, expose, flash
from turbogears import validators, validate
from turbogears import widgets, paginate
from turbogears import error_handler
from turbogears import identity
from ipacontroller import IPAController
from ipa.entity import utf8_encode_values
from ipa import ipaerror
import ipagui.forms.delegate
import ipa.aci
import ldap.dn
aci_fields = ['*', 'aci']
delegate_form = ipagui.forms.delegate.DelegateForm()
class DelegationController(IPAController):
@expose()
@identity.require(identity.not_anonymous())
def index(self, tg_errors=None):
raise turbogears.redirect("/delegate/list")
@expose("ipagui.templates.delegatenew")
@identity.require(identity.not_anonymous())
def new(self):
"""Display delegate page"""
client = self.get_ipaclient()
delegate = {}
delegate['source_group_cn'] = "Please choose:"
delegate['dest_group_cn'] = "Please choose:"
return dict(form=delegate_form, delegate=delegate)
@expose()
@identity.require(identity.not_anonymous())
def create(self, **kw):
"""Creates a new delegation"""
self.restrict_post()
client = self.get_ipaclient()
if kw.get('submit', '').startswith('Cancel'):
turbogears.flash("Add delegation cancelled")
raise turbogears.redirect('/delegate/list')
tg_errors, kw = self.delegatevalidate(**kw)
if tg_errors:
return dict(form=delegate_form, delegate=kw,
tg_template='ipagui.templates.delegatenew')
try:
new_aci = ipa.aci.ACI()
new_aci.name = kw.get('name')
new_aci.source_group = kw.get('source_group_dn')
new_aci.dest_group = kw.get('dest_group_dn')
new_aci.attrs = kw.get('attrs')
# not pulling down existing aci attributes
aci_entry = client.get_aci_entry(['dn'])
aci_entry.setValue('aci', new_aci.export_to_string())
client.update_entry(aci_entry)
except ipaerror.IPAError, e:
turbogears.flash("Delgate add failed: " + str(e))
return dict(form=delegate_form, delegate=kw,
tg_template='ipagui.templates.delegatenew')
turbogears.flash("delegate created")
raise turbogears.redirect('/delegate/list')
@expose("ipagui.templates.delegateedit")
@identity.require(identity.not_anonymous())
def edit(self, acistr, tg_errors=None):
"""Display delegate page"""
if tg_errors:
turbogears.flash("There was a problem with the form!")
client = self.get_ipaclient()
try:
aci_entry = client.get_aci_entry(aci_fields)
aci = ipa.aci.ACI(acistr)
group_dn_to_cn = self.extract_group_cns([aci], client)
delegate = aci.to_dict()
delegate['source_group_dn'] = delegate['source_group']
delegate['source_group_cn'] = group_dn_to_cn[delegate['source_group_dn']]
delegate['dest_group_dn'] = delegate['dest_group']
delegate['dest_group_cn'] = group_dn_to_cn[delegate['dest_group_dn']]
return dict(form=delegate_form, delegate=delegate)
except (SyntaxError, ipaerror.IPAError), e:
turbogears.flash("Delegation edit failed: " + str(e))
raise turbogears.redirect('/delegate/list')
@expose()
@identity.require(identity.not_anonymous())
def update(self, **kw):
"""Display delegate page"""
self.restrict_post()
client = self.get_ipaclient()
if kw.get('submit', '').startswith('Cancel'):
turbogears.flash("Edit delegation cancelled")
raise turbogears.redirect('/delegate/list')
tg_errors, kw = self.delegatevalidate(**kw)
if tg_errors:
return dict(form=delegate_form, delegate=kw,
tg_template='ipagui.templates.delegatenew')
try:
aci_entry = client.get_aci_entry(aci_fields)
aci_str_list = aci_entry.getValues('aci')
if aci_str_list is None:
aci_str_list = []
try :
old_aci_index = aci_str_list.index(kw['orig_acistr'])
except ValueError:
turbogears.flash("Delegation update failed:<br />" +
"The delegation you were attempting to update has been " +
"concurrently modified. Please cancel the edit " +
"and try editing the delegation again.")
return dict(form=delegate_form, delegate=kw,
tg_template='ipagui.templates.delegateedit')
new_aci = ipa.aci.ACI()
new_aci.name = kw.get('name')
new_aci.source_group = kw.get('source_group_dn')
new_aci.dest_group = kw.get('dest_group_dn')
new_aci.attrs = kw.get('attrs')
new_aci_str = new_aci.export_to_string()
new_aci_str_list = copy.copy(aci_str_list)
new_aci_str_list[old_aci_index] = new_aci_str
aci_entry.setValue('aci', new_aci_str_list)
client.update_entry(aci_entry)
turbogears.flash("delegate updated")
raise turbogears.redirect('/delegate/list')
except (SyntaxError, ipaerror.IPAError), e:
turbogears.flash("Delegation update failed: " + str(e))
return dict(form=delegate_form, delegate=kw,
tg_template='ipagui.templates.delegateedit')
@expose("ipagui.templates.delegatelist")
@identity.require(identity.not_anonymous())
def list(self):
"""Display delegate page"""
client = self.get_ipaclient()
try:
aci_entry = client.get_aci_entry(aci_fields)
except ipaerror.IPAError, e:
turbogears.flash("Delegation list failed: " + str(e))
raise turbogears.redirect('/')
aci_str_list = aci_entry.getValues('aci')
if aci_str_list is None:
aci_str_list = []
aci_list = []
for aci_str in aci_str_list:
try:
aci = ipa.aci.ACI(aci_str)
aci_list.append(aci)
except SyntaxError:
# ignore aci_str's that ACI can't parse
pass
group_dn_to_cn = self.extract_group_cns(aci_list, client)
# The list page needs to display field labels, not raw
# LDAP attributes
for aci in aci_list:
aci.attrs = map(lambda name:
ipagui.forms.delegate.aci_name_to_label.get(name, name),
aci.attrs)
return dict(aci_list=aci_list, group_dn_to_cn=group_dn_to_cn)
@expose("ipagui.templates.delegategroupsearch")
@identity.require(identity.not_anonymous())
def group_search(self, **kw):
"""Searches for groups and displays list of results in a table.
This method is used for the ajax search on the delegation pages."""
client = self.get_ipaclient()
groups = []
groups_counter = 0
searchlimit = 100
criteria = kw.get('criteria')
if criteria != None and len(criteria) > 0:
try:
groups = client.find_groups(criteria.encode('utf-8'), None,
searchlimit)
groups_counter = groups[0]
groups = groups[1:]
except ipaerror.IPAError, e:
turbogears.flash("search failed: " + str(e))
return dict(groups=groups, criteria=criteria,
which_group=kw.get('which_group'),
counter=groups_counter)
@validate(form=delegate_form)
@identity.require(identity.not_anonymous())
def delegatevalidate(self, tg_errors=None, **kw):
return tg_errors, kw
def extract_group_cns(self, aci_list, client):
"""Extracts all the cn's from a list of aci's and returns them as a hash
from group_dn to group_cn.
It first tries to cheat by looking at the first rdn for the
group dn. If that's not cn for some reason, it looks up the group."""
group_dn_to_cn = {}
for aci in aci_list:
for dn in (aci.source_group, aci.dest_group):
if not group_dn_to_cn.has_key(dn):
rdn_list = ldap.dn.str2dn(dn)
first_rdn = rdn_list[0]
for (type,value,junk) in first_rdn:
if type == "cn":
group_dn_to_cn[dn] = value
break;
else:
try:
group = client.get_entry_by_dn(dn, ['cn'])
group_dn_to_cn[dn] = group.getValue('cn')
except ipaerror.IPAError, e:
group_dn_to_cn[dn] = 'unknown'
return group_dn_to_cn
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