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Location: kallithea/rhodecode/controllers/admin/ldap_settings.py

Marcin Kuzminski
another major code rafactor, reimplemented (almost from scratch)
the way caching works, Should be solid rock for now. Some code optymizations on scmModel.get() to make it don't load unneded things. Changed db cache to file that should also reduce memory size
# -*- coding: utf-8 -*-
"""
    rhodecode.controllers.admin.ldap_settings
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    ldap controller for RhodeCode
    
    :created_on: Nov 26, 2010
    :author: marcink
    :copyright: (C) 2009-2011 Marcin Kuzminski <marcin@python-works.com>    
    :license: GPLv3, see COPYING for more details.
"""
# 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; version 2
# of the License or (at your opinion) any later version of the license.
# 
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA  02110-1301, USA.
import logging
import formencode
import traceback

from formencode import htmlfill

from pylons import request, response, session, tmpl_context as c, url
from pylons.controllers.util import abort, redirect
from pylons.i18n.translation import _

from rhodecode.lib.base import BaseController, render
from rhodecode.lib import helpers as h
from rhodecode.lib.auth import LoginRequired, HasPermissionAllDecorator
from rhodecode.lib.auth_ldap import LdapImportError
from rhodecode.model.settings import SettingsModel
from rhodecode.model.forms import LdapSettingsForm
from sqlalchemy.exc import DatabaseError

log = logging.getLogger(__name__)



class LdapSettingsController(BaseController):

    search_scope_choices = [('BASE',     _('BASE'),),
                            ('ONELEVEL', _('ONELEVEL'),),
                            ('SUBTREE',  _('SUBTREE'),),
                            ]
    search_scope_default = 'SUBTREE'

    tls_reqcert_choices = [('NEVER',  _('NEVER'),),
                           ('ALLOW',  _('ALLOW'),),
                           ('TRY',    _('TRY'),),
                           ('DEMAND', _('DEMAND'),),
                           ('HARD',   _('HARD'),),
                           ]
    tls_reqcert_default = 'DEMAND'

    @LoginRequired()
    @HasPermissionAllDecorator('hg.admin')
    def __before__(self):
        c.admin_user = session.get('admin_user')
        c.admin_username = session.get('admin_username')
        c.search_scope_choices = self.search_scope_choices
        c.tls_reqcert_choices  = self.tls_reqcert_choices
        super(LdapSettingsController, self).__before__()

    def index(self):
        defaults = SettingsModel().get_ldap_settings()
        c.search_scope_cur = defaults.get('ldap_search_scope')
        c.tls_reqcert_cur  = defaults.get('ldap_tls_reqcert')

        return htmlfill.render(
                    render('admin/ldap/ldap.html'),
                    defaults=defaults,
                    encoding="UTF-8",
                    force_defaults=True,)

    def ldap_settings(self):
        """POST ldap create and store ldap settings"""

        settings_model = SettingsModel()
        _form = LdapSettingsForm([x[0] for x in self.tls_reqcert_choices],
                                 [x[0] for x in self.search_scope_choices])()

        try:
            form_result = _form.to_python(dict(request.POST))
            try:

                for k, v in form_result.items():
                    if k.startswith('ldap_'):
                        setting = settings_model.get(k)
                        setting.app_settings_value = v
                        self.sa.add(setting)

                self.sa.commit()
                h.flash(_('Ldap settings updated successfully'),
                    category='success')
            except (DatabaseError,):
                raise
        except LdapImportError:
            h.flash(_('Unable to activate ldap. The "python-ldap" library '
                      'is missing.'), category='warning')

        except formencode.Invalid, errors:

            c.search_scope_cur = self.search_scope_default
            c.tls_reqcert_cur  = self.search_scope_default

            return htmlfill.render(
                render('admin/ldap/ldap.html'),
                defaults=errors.value,
                errors=errors.error_dict or {},
                prefix_error=False,
                encoding="UTF-8")
        except Exception:
            log.error(traceback.format_exc())
            h.flash(_('error occurred during update of ldap settings'),
                    category='error')

        return redirect(url('ldap_home'))