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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/>. 

 

import copy 

 

from ipalib import api, _, ngettext 

from ipalib import Flag, Str 

from ipalib.request import context 

from ipalib import api, crud, errors 

from ipalib import output 

from ipalib import Object, Command 

from ipalib.plugins.baseldap import gen_pkey_only_option 

 

__doc__ = _(""" 

Self-service Permissions 

 

A permission enables fine-grained delegation of permissions. Access Control 

Rules, or instructions (ACIs), grant permission to permissions to perform 

given tasks such as adding a user, modifying a group, etc. 

 

A Self-service permission defines what an object can change in its own entry. 

 

 

EXAMPLES: 

 

Add a self-service rule to allow users to manage their address: 

   ipa selfservice-add --permissions=write --attrs=street,postalCode,l,c,st "Users manage their own address" 

 

When managing the list of attributes you need to include all attributes 

in the list, including existing ones. Add telephoneNumber to the list: 

   ipa selfservice-mod --attrs=street,postalCode,l,c,st,telephoneNumber "Users manage their own address" 

 

Display our updated rule: 

   ipa selfservice-show "Users manage their own address" 

 

Delete a rule: 

   ipa selfservice-del "Users manage their own address" 

""") 

 

ACI_PREFIX=u"selfservice" 

 

output_params = ( 

    Str('aci', 

        label=_('ACI'), 

    ), 

) 

 

 

class selfservice(Object): 

    """ 

    Selfservice object. 

    """ 

 

    bindable = False 

    object_name = _('self service permission') 

    object_name_plural = _('self service permissions') 

    label = _('Self Service Permissions') 

    label_singular = _('Self Service Permission') 

 

    takes_params = ( 

        Str('aciname', 

            cli_name='name', 

            label=_('Self-service name'), 

            doc=_('Self-service name'), 

            primary_key=True, 

            pattern='^[-_ a-zA-Z0-9]+$', 

            pattern_errmsg="May only contain letters, numbers, -, _, and space", 

        ), 

        Str('permissions*', 

            cli_name='permissions', 

            label=_('Permissions'), 

            doc=_('Comma-separated list of permissions to grant ' \ 

                '(read, write). Default is write.'), 

            csv=True, 

        ), 

        Str('attrs+', 

            cli_name='attrs', 

            label=_('Attributes'), 

            doc=_('Comma-separated list of attributes'), 

            csv=True, 

            normalizer=lambda value: value.lower(), 

        ), 

    ) 

 

    def __json__(self): 

        json_friendly_attributes = ( 

            'label', 'label_singular', 'takes_params', 'bindable', 'name', 

            'object_name', 'object_name_plural', 

        ) 

        json_dict = dict( 

            (a, getattr(self, a)) for a in json_friendly_attributes 

        ) 

        json_dict['primary_key'] = self.primary_key.name 

        json_dict['methods'] = [m for m in self.methods] 

        return json_dict 

 

    def postprocess_result(self, result): 

        try: 

            # do not include prefix in result 

            del result['aciprefix'] 

        except KeyError: 

            pass 

 

api.register(selfservice) 

 

 

class selfservice_add(crud.Create): 

    __doc__ = _('Add a new self-service permission.') 

 

    msg_summary = _('Added selfservice "%(value)s"') 

    has_output_params = output_params 

 

    def execute(self, aciname, **kw): 

        if not 'permissions' in kw: 

            kw['permissions'] = (u'write',) 

        kw['selfaci'] = True 

        kw['aciprefix'] = ACI_PREFIX 

        result = api.Command['aci_add'](aciname, **kw)['result'] 

        self.obj.postprocess_result(result) 

 

        return dict( 

            result=result, 

            value=aciname, 

        ) 

 

api.register(selfservice_add) 

 

 

class selfservice_del(crud.Delete): 

    __doc__ = _('Delete a self-service permission.') 

 

    has_output = output.standard_boolean 

    msg_summary = _('Deleted selfservice "%(value)s"') 

 

    def execute(self, aciname, **kw): 

        kw['aciprefix'] = ACI_PREFIX 

        result = api.Command['aci_del'](aciname, **kw) 

        self.obj.postprocess_result(result) 

 

        return dict( 

            result=True, 

            value=aciname, 

        ) 

 

api.register(selfservice_del) 

 

 

class selfservice_mod(crud.Update): 

    __doc__ = _('Modify a self-service permission.') 

 

    msg_summary = _('Modified selfservice "%(value)s"') 

    has_output_params = output_params 

 

    def execute(self, aciname, **kw): 

        if 'attrs' in kw and kw['attrs'] is None: 

            raise errors.RequirementError(name='attrs') 

 

        kw['aciprefix'] = ACI_PREFIX 

        result = api.Command['aci_mod'](aciname, **kw)['result'] 

        self.obj.postprocess_result(result) 

 

        return dict( 

            result=result, 

            value=aciname, 

        ) 

 

api.register(selfservice_mod) 

 

 

class selfservice_find(crud.Search): 

    __doc__ = _('Search for a self-service permission.') 

 

    msg_summary = ngettext( 

        '%(count)d selfservice matched', '%(count)d selfservices matched', 0 

    ) 

 

    takes_options = (gen_pkey_only_option("name"),) 

    has_output_params = output_params 

 

    def execute(self, term, **kw): 

        kw['selfaci'] = True 

        kw['aciprefix'] = ACI_PREFIX 

        result = api.Command['aci_find'](term, **kw)['result'] 

 

        for aci in result: 

            self.obj.postprocess_result(aci) 

 

        return dict( 

            result=result, 

            count=len(result), 

            truncated=False, 

        ) 

 

api.register(selfservice_find) 

 

 

class selfservice_show(crud.Retrieve): 

    __doc__ = _('Display information about a self-service permission.') 

 

    has_output_params = output_params 

 

    def execute(self, aciname, **kw): 

        result = api.Command['aci_show'](aciname, aciprefix=ACI_PREFIX, **kw)['result'] 

        self.obj.postprocess_result(result) 

        return dict( 

            result=result, 

            value=aciname, 

        ) 

 

api.register(selfservice_show)