# -*- coding: utf-8 -*-

# 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/>.

"""

kallithea.controllers.admin.permissions

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

permissions controller for Kallithea

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Apr 27, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

import formencode

from formencode import htmlfill

from tg import request

from tg import tmpl_context as c

from tg.i18n import ugettext as _

from webob.exc import HTTPFound

from kallithea.config.routing import url

from kallithea.lib import helpers as h

from kallithea.lib.auth import AuthUser, HasPermissionAnyDecorator, LoginRequired

from kallithea.lib.base import BaseController, render

from kallithea.model.db import User, UserIpMap

from kallithea.model.forms import DefaultPermissionsForm

from kallithea.model.meta import Session

from kallithea.model.permission import PermissionModel

log = logging.getLogger(__name__)

class PermissionsController(BaseController):

    """REST Controller styled on the Atom Publishing Protocol"""

    # To properly map this controller, ensure your config/routing.py

    # file has a resource setup:

    #     map.resource('permission', 'permissions')

    @LoginRequired()

    @HasPermissionAnyDecorator('hg.admin')

    def _before(self, *args, **kwargs):

        super(PermissionsController, self)._before(*args, **kwargs)

    def __load_data(self):

        c.repo_perms_choices = [('repository.none', _('None'),),

                                   ('repository.read', _('Read'),),

                                   ('repository.write', _('Write'),),

                                   ('repository.admin', _('Admin'),)]

        c.group_perms_choices = [('group.none', _('None'),),

                                 ('group.read', _('Read'),),

                                 ('group.write', _('Write'),),

                                 ('group.admin', _('Admin'),)]

        c.user_group_perms_choices = [('usergroup.none', _('None'),),

                                      ('usergroup.read', _('Read'),),

                                      ('usergroup.write', _('Write'),),

                                      ('usergroup.admin', _('Admin'),)]

        c.register_choices = [

            ('hg.register.none',

                _('Disabled')),

            ('hg.register.manual_activate',

                _('Allowed with manual account activation')),

            ('hg.register.auto_activate',

                _('Allowed with automatic account activation')), ]

        c.extern_activate_choices = [

            ('hg.extern_activate.manual', _('Manual activation of external account')),

            ('hg.extern_activate.auto', _('Automatic activation of external account')),

        ]

        c.repo_create_choices = [('hg.create.none', _('Disabled')),

                                 ('hg.create.repository', _('Enabled'))]

        c.user_group_create_choices = [('hg.usergroup.create.false', _('Disabled')),

                                       ('hg.usergroup.create.true', _('Enabled'))]

        c.fork_choices = [('hg.fork.none', _('Disabled')),

                          ('hg.fork.repository', _('Enabled'))]

    def permission_globals(self):

        c.active = 'globals'

        self.__load_data()

        if request.POST:

            _form = DefaultPermissionsForm(

                [x[0] for x in c.repo_perms_choices],

                [x[0] for x in c.group_perms_choices],

                [x[0] for x in c.user_group_perms_choices],

                [x[0] for x in c.repo_create_choices],

                [x[0] for x in c.repo_group_create_choices],

                [x[0] for x in c.user_group_create_choices],

                [x[0] for x in c.fork_choices],

                [x[0] for x in c.register_choices],

                [x[0] for x in c.extern_activate_choices])()

            try:

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

                form_result.update({'perm_user_name': 'default'})

                PermissionModel().update(form_result)

                Session().commit()

                h.flash(_('Global permissions updated successfully'),

                        category='success')

            except formencode.Invalid as errors:

                defaults = errors.value

                return htmlfill.render(

                    render('admin/permissions/permissions.html'),

                    defaults=defaults,

                    errors=errors.error_dict or {},

                    prefix_error=False,

                    encoding="UTF-8",

                    force_defaults=False)

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during update of permissions'),

                        category='error')

            raise HTTPFound(location=url('admin_permissions'))

        c.user = User.get_default_user()

        defaults = {'anonymous': c.user.active}

        for p in c.user.user_perms:

            if p.permission.permission_name.startswith('repository.'):

                defaults['default_repo_perm'] = p.permission.permission_name

            if p.permission.permission_name.startswith('group.'):

                defaults['default_group_perm'] = p.permission.permission_name

            if p.permission.permission_name.startswith('usergroup.'):

                defaults['default_user_group_perm'] = p.permission.permission_name

            elif p.permission.permission_name.startswith('hg.create.'):

                defaults['default_repo_create'] = p.permission.permission_name

            if p.permission.permission_name.startswith('hg.usergroup.'):

                defaults['default_user_group_create'] = p.permission.permission_name

            if p.permission.permission_name.startswith('hg.register.'):

                defaults['default_register'] = p.permission.permission_name

            if p.permission.permission_name.startswith('hg.extern_activate.'):

                defaults['default_extern_activate'] = p.permission.permission_name

            if p.permission.permission_name.startswith('hg.fork.'):

                defaults['default_fork'] = p.permission.permission_name

        return htmlfill.render(

            render('admin/permissions/permissions.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False)

    def permission_ips(self):

        c.active = 'ips'

        c.user = User.get_default_user()

        c.user_ip_map = UserIpMap.query() \

                        .filter(UserIpMap.user == c.user).all()

        return render('admin/permissions/permissions.html')

    def permission_perms(self):

        c.active = 'perms'

        c.user = User.get_default_user()

        c.perm_user = AuthUser(dbuser=c.user)

        return render('admin/permissions/permissions.html')