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# Authors:
# Rob Crittenden <rcritten@redhat.com>
#
# Copyright (C) 2010 Red Hat
# see file 'COPYING' for use and warranty information
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
from ipalib.plugins.baseldap import *
from ipalib import api, _, ngettext, errors
from ipalib.plugable import Registry
__doc__ = _("""
Privileges
A privilege combines permissions into a logical task. A permission provides
the rights to do a single task. There are some IPA operations that require
multiple permissions to succeed. A privilege is where permissions are
combined in order to perform a specific task.
For example, adding a user requires the following permissions:
* Creating a new user entry
* Resetting a user password
* Adding the new user to the default IPA users group
Combining these three low-level tasks into a higher level task in the
form of a privilege named "Add User" makes it easier to manage Roles.
A privilege may not contain other privileges.
See role and permission for additional information.
""")
register = Registry()
@register()
class privilege(LDAPObject):
"""
Privilege object.
"""
container_dn = api.env.container_privilege
object_name = _('privilege')
object_name_plural = _('privileges')
object_class = ['nestedgroup', 'groupofnames']
permission_filter_objectclasses = ['groupofnames']
default_attributes = ['cn', 'description', 'member', 'memberof']
attribute_members = {
'member': ['role'],
'memberof': ['permission'],
}
reverse_members = {
'member': ['permission'],
}
rdn_is_primary_key = True
managed_permissions = {
'System: Read Privileges': {
'replaces_global_anonymous_aci': True,
'ipapermright': {'read', 'search', 'compare'},
'ipapermdefaultattr': {
'businesscategory', 'cn', 'description', 'member', 'memberof',
'o', 'objectclass', 'ou', 'owner', 'seealso', 'memberuser',
'memberhost',
},
'default_privileges': {'RBAC Readers'},
},
'System: Add Privileges': {
'ipapermright': {'add'},
'default_privileges': {'Delegation Administrator'},
},
'System: Modify Privileges': {
'ipapermright': {'write'},
'ipapermdefaultattr': {
'businesscategory', 'cn', 'description', 'o', 'ou', 'owner',
'seealso',
},
'default_privileges': {'Delegation Administrator'},
},
'System: Remove Privileges': {
'ipapermright': {'delete'},
'default_privileges': {'Delegation Administrator'},
},
}
label = _('Privileges')
label_singular = _('Privilege')
takes_params = (
Str('cn',
cli_name='name',
label=_('Privilege name'),
primary_key=True,
),
Str('description',
cli_name='desc',
label=_('Description'),
doc=_('Privilege description'),
),
)
@register()
class privilege_add(LDAPCreate):
__doc__ = _('Add a new privilege.')
msg_summary = _('Added privilege "%(value)s"')
@register()
class privilege_del(LDAPDelete):
__doc__ = _('Delete a privilege.')
msg_summary = _('Deleted privilege "%(value)s"')
@register()
class privilege_mod(LDAPUpdate):
__doc__ = _('Modify a privilege.')
msg_summary = _('Modified privilege "%(value)s"')
@register()
class privilege_find(LDAPSearch):
__doc__ = _('Search for privileges.')
msg_summary = ngettext(
'%(count)d privilege matched', '%(count)d privileges matched', 0
)
@register()
class privilege_show(LDAPRetrieve):
__doc__ = _('Display information about a privilege.')
@register()
class privilege_add_member(LDAPAddMember):
__doc__ = _('Add members to a privilege.')
NO_CLI=True
@register()
class privilege_remove_member(LDAPRemoveMember):
"""
Remove members from a privilege
"""
NO_CLI=True
@register()
class privilege_add_permission(LDAPAddReverseMember):
__doc__ = _('Add permissions to a privilege.')
show_command = 'privilege_show'
member_command = 'permission_add_member'
reverse_attr = 'permission'
member_attr = 'privilege'
has_output = (
output.Entry('result'),
output.Output('failed',
type=dict,
doc=_('Members that could not be added'),
),
output.Output('completed',
type=int,
doc=_('Number of permissions added'),
),
)
def pre_callback(self, ldap, dn, *keys, **options):
if options.get('permission'):
# We can only add permissions with bind rule type set to
# "permission" (or old-style permissions)
ldapfilter = ldap.combine_filters(rules='&', filters=[
'(objectClass=ipaPermissionV2)',
'(!(ipaPermBindRuleType=permission))',
ldap.make_filter_from_attr('cn', options['permission'],
rules='|'),
])
try:
entries, truncated = ldap.find_entries(
filter=ldapfilter,
attrs_list=['cn', 'ipapermbindruletype'],
base_dn=DN(self.api.env.container_permission,
self.api.env.basedn),
size_limit=1)
except errors.NotFound:
pass
else:
entry = entries[0]
message = _('cannot add permission "%(perm)s" with bindtype '
'"%(bindtype)s" to a privilege')
raise errors.ValidationError(
name='permission',
error=message % {
'perm': entry.single_value['cn'],
'bindtype': entry.single_value.get(
'ipapermbindruletype', 'permission')})
return dn
@register()
class privilege_remove_permission(LDAPRemoveReverseMember):
__doc__ = _('Remove permissions from a privilege.')
show_command = 'privilege_show'
member_command = 'permission_remove_member'
reverse_attr = 'permission'
member_attr = 'privilege'
permission_count_out = ('%i permission removed.', '%i permissions removed.')
has_output = (
output.Entry('result'),
output.Output('failed',
type=dict,
doc=_('Members that could not be added'),
),
output.Output('completed',
type=int,
doc=_('Number of permissions removed'),
),
)
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