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# -*- coding: utf-8 -*-
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# Copyright (C) 2016-2017 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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import colander
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from rhodecode.translation import _
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from rhodecode.model.validation_schema import validators, preparers, types
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def get_group_and_repo(repo_name):
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from rhodecode.model.repo_group import RepoGroupModel
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return RepoGroupModel()._get_group_name_and_parent(
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repo_name, get_object=True)
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@colander.deferred
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def deferred_can_write_to_group_validator(node, kw):
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old_values = kw.get('old_values') or {}
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request_user = kw.get('user')
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def can_write_group_validator(node, value):
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from rhodecode.lib.auth import (
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HasPermissionAny, HasRepoGroupPermissionAny)
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from rhodecode.model.repo_group import RepoGroupModel
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messages = {
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'invalid_parent_repo_group':
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_(u"Parent repository group `{}` does not exist"),
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# permissions denied we expose as not existing, to prevent
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# resource discovery
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'permission_denied_parent_group':
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_(u"Parent repository group `{}` does not exist"),
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'permission_denied_root':
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_(u"You do not have the permission to store "
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u"repository groups in the root location.")
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}
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value = value['repo_group_name']
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parent_group_name = value
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is_root_location = value is types.RootLocation
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# NOT initialized validators, we must call them
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can_create_repo_groups_at_root = HasPermissionAny(
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'hg.admin', 'hg.repogroup.create.true')
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if is_root_location:
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if can_create_repo_groups_at_root(user=request_user):
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# we can create repo group inside tool-level. No more checks
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# are required
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return
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else:
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raise colander.Invalid(node, messages['permission_denied_root'])
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# check if the parent repo group actually exists
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parent_group = None
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if parent_group_name:
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parent_group = RepoGroupModel().get_by_group_name(parent_group_name)
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if value and not parent_group:
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raise colander.Invalid(
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node, messages['invalid_parent_repo_group'].format(
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parent_group_name))
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# check if we have permissions to create new groups under
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# parent repo group
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# create repositories with write permission on group is set to true
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create_on_write = HasPermissionAny(
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'hg.create.write_on_repogroup.true')(user=request_user)
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group_admin = HasRepoGroupPermissionAny('group.admin')(
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parent_group_name, 'can write into group validator', user=request_user)
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group_write = HasRepoGroupPermissionAny('group.write')(
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parent_group_name, 'can write into group validator', user=request_user)
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# creation by write access is currently disabled. Needs thinking if
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# we want to allow this...
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forbidden = not (group_admin or (group_write and create_on_write and 0))
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if parent_group and forbidden:
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msg = messages['permission_denied_parent_group'].format(
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parent_group_name)
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raise colander.Invalid(node, msg)
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return can_write_group_validator
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@colander.deferred
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def deferred_repo_group_owner_validator(node, kw):
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def repo_owner_validator(node, value):
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from rhodecode.model.db import User
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existing = User.get_by_username(value)
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if not existing:
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msg = _(u'Repo group owner with id `{}` does not exists').format(
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value)
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raise colander.Invalid(node, msg)
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return repo_owner_validator
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@colander.deferred
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def deferred_unique_name_validator(node, kw):
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request_user = kw.get('user')
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old_values = kw.get('old_values') or {}
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def unique_name_validator(node, value):
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from rhodecode.model.db import Repository, RepoGroup
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name_changed = value != old_values.get('group_name')
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existing = Repository.get_by_repo_name(value)
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if name_changed and existing:
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msg = _(u'Repository with name `{}` already exists').format(value)
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raise colander.Invalid(node, msg)
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existing_group = RepoGroup.get_by_group_name(value)
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if name_changed and existing_group:
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msg = _(u'Repository group with name `{}` already exists').format(
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value)
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raise colander.Invalid(node, msg)
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return unique_name_validator
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@colander.deferred
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def deferred_repo_group_name_validator(node, kw):
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return validators.valid_name_validator
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class GroupType(colander.Mapping):
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def _validate(self, node, value):
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try:
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return dict(repo_group_name=value)
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except Exception as e:
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raise colander.Invalid(
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node, '"${val}" is not a mapping type: ${err}'.format(
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val=value, err=e))
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def deserialize(self, node, cstruct):
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if cstruct is colander.null:
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return cstruct
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appstruct = super(GroupType, self).deserialize(node, cstruct)
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validated_name = appstruct['repo_group_name']
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# inject group based on once deserialized data
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(repo_group_name_without_group,
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parent_group_name,
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parent_group) = get_group_and_repo(validated_name)
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appstruct['repo_group_name_without_group'] = repo_group_name_without_group
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appstruct['repo_group_name'] = parent_group_name or types.RootLocation
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if parent_group:
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appstruct['repo_group_id'] = parent_group.group_id
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return appstruct
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class GroupSchema(colander.SchemaNode):
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schema_type = GroupType
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validator = deferred_can_write_to_group_validator
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missing = colander.null
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class RepoGroup(GroupSchema):
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repo_group_name = colander.SchemaNode(
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types.GroupNameType())
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repo_group_id = colander.SchemaNode(
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colander.String(), missing=None)
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repo_group_name_without_group = colander.SchemaNode(
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colander.String(), missing=None)
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class RepoGroupAccessSchema(colander.MappingSchema):
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repo_group = RepoGroup()
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class RepoGroupNameUniqueSchema(colander.MappingSchema):
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unique_repo_group_name = colander.SchemaNode(
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colander.String(),
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validator=deferred_unique_name_validator)
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class RepoGroupSchema(colander.Schema):
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repo_group_name = colander.SchemaNode(
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types.GroupNameType(),
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validator=deferred_repo_group_name_validator)
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repo_group_owner = colander.SchemaNode(
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colander.String(),
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validator=deferred_repo_group_owner_validator)
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repo_group_description = colander.SchemaNode(
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colander.String(), missing='')
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repo_group_copy_permissions = colander.SchemaNode(
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types.StringBooleanType(),
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missing=False)
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repo_group_enable_locking = colander.SchemaNode(
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types.StringBooleanType(),
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missing=False)
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def deserialize(self, cstruct):
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"""
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Custom deserialize that allows to chain validation, and verify
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permissions, and as last step uniqueness
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"""
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appstruct = super(RepoGroupSchema, self).deserialize(cstruct)
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validated_name = appstruct['repo_group_name']
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# second pass to validate permissions to repo_group
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second = RepoGroupAccessSchema().bind(**self.bindings)
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appstruct_second = second.deserialize({'repo_group': validated_name})
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# save result
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appstruct['repo_group'] = appstruct_second['repo_group']
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# thirds to validate uniqueness
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third = RepoGroupNameUniqueSchema().bind(**self.bindings)
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third.deserialize({'unique_repo_group_name': validated_name})
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return appstruct
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