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create.py
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create.py
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import ckan.logic as logic
import ckan.new_authz as new_authz
import ckan.logic.auth as logic_auth
from ckan.common import _
@logic.auth_allow_anonymous_access
def package_create(context, data_dict=None):
user = context['user']
if new_authz.auth_is_anon_user(context):
check1 = all(new_authz.check_config_permission(p) for p in (
'anon_create_dataset',
'create_dataset_if_not_in_organization',
'create_unowned_dataset',
))
else:
check1 = all(new_authz.check_config_permission(p) for p in (
'create_dataset_if_not_in_organization',
'create_unowned_dataset',
)) or new_authz.has_user_permission_for_some_org(
user, 'create_dataset')
if not check1:
return {'success': False, 'msg': _('User %s not authorized to create packages') % user}
check2 = _check_group_auth(context,data_dict)
if not check2:
return {'success': False, 'msg': _('User %s not authorized to edit these groups') % user}
# If an organization is given are we able to add a dataset to it?
data_dict = data_dict or {}
org_id = data_dict.get('owner_org')
if org_id and not new_authz.has_user_permission_for_group_or_org(
org_id, user, 'create_dataset'):
return {'success': False, 'msg': _('User %s not authorized to add dataset to this organization') % user}
return {'success': True}
def file_upload(context, data_dict=None):
user = context['user']
if new_authz.auth_is_anon_user(context):
return {'success': False, 'msg': _('User %s not authorized to create packages') % user}
return {'success': True}
def related_create(context, data_dict=None):
'''Users must be logged-in to create related items.
To create a featured item the user must be a sysadmin.
'''
model = context['model']
user = context['user']
userobj = model.User.get( user )
if userobj:
if data_dict.get('featured', 0) != 0:
return {'success': False,
'msg': _('You must be a sysadmin to create a featured '
'related item')}
return {'success': True}
return {'success': False, 'msg': _('You must be logged in to add a related item')}
def resource_create(context, data_dict):
model = context['model']
user = context.get('user')
package_id = data_dict.get('package_id')
if not package_id and data_dict.get('id'):
# This can happen when auth is deferred, eg from `resource_view_create`
resource = logic_auth.get_resource_object(context, data_dict)
package_id = resource.package_id
if not package_id:
raise logic.NotFound(
_('No dataset id provided, cannot check auth.')
)
# check authentication against package
pkg = model.Package.get(package_id)
if not pkg:
raise logic.NotFound(
_('No package found for this resource, cannot check auth.')
)
pkg_dict = {'id': pkg.id}
authorized = new_authz.is_authorized('package_update', context, pkg_dict).get('success')
if not authorized:
return {'success': False,
'msg': _('User %s not authorized to create resources on dataset %s') %
(str(user), package_id)}
else:
return {'success': True}
def resource_view_create(context, data_dict):
return resource_create(context, {'id': data_dict['resource_id']})
def package_relationship_create(context, data_dict):
user = context['user']
id = data_dict['subject']
id2 = data_dict['object']
# If we can update each package we can see the relationships
authorized1 = new_authz.is_authorized_boolean(
'package_update', context, {'id': id})
authorized2 = new_authz.is_authorized_boolean(
'package_update', context, {'id': id2})
if not authorized1 and authorized2:
return {'success': False, 'msg': _('User %s not authorized to edit these packages') % user}
else:
return {'success': True}
def group_create(context, data_dict=None):
user = context['user']
user = new_authz.get_user_id_for_username(user, allow_none=True)
if user and new_authz.check_config_permission('user_create_groups'):
return {'success': True}
return {'success': False,
'msg': _('User %s not authorized to create groups') % user}
def organization_create(context, data_dict=None):
user = context['user']
user = new_authz.get_user_id_for_username(user, allow_none=True)
if user and new_authz.check_config_permission('user_create_organizations'):
return {'success': True}
return {'success': False,
'msg': _('User %s not authorized to create organizations') % user}
def rating_create(context, data_dict):
# No authz check in the logic function
return {'success': True}
@logic.auth_allow_anonymous_access
def user_create(context, data_dict=None):
using_api = 'api_version' in context
create_user_via_api = new_authz.check_config_permission(
'create_user_via_api')
create_user_via_web = new_authz.check_config_permission(
'create_user_via_web')
if using_api and not create_user_via_api:
return {'success': False, 'msg': _('User {user} not authorized to '
'create users via the API').format(user=context.get('user'))}
if not using_api and not create_user_via_web:
return {'success': False, 'msg': _('Not authorized to '
'create users')}
return {'success': True}
def user_invite(context, data_dict):
data_dict['id'] = data_dict['group_id']
return group_member_create(context, data_dict)
def _check_group_auth(context, data_dict):
'''Has this user got update permission for all of the given groups?
If there is a package in the context then ignore that package's groups.
(owner_org is checked elsewhere.)
:returns: False if not allowed to update one (or more) of the given groups.
True otherwise. i.e. True is the default. A blank data_dict
mentions no groups, so it returns True.
'''
# FIXME This code is shared amoung other logic.auth files and should be
# somewhere better
if not data_dict:
return True
model = context['model']
user = context['user']
pkg = context.get("package")
api_version = context.get('api_version') or '1'
group_blobs = data_dict.get('groups', [])
groups = set()
for group_blob in group_blobs:
# group_blob might be a dict or a group_ref
if isinstance(group_blob, dict):
if api_version == '1':
id = group_blob.get('name')
else:
id = group_blob.get('id')
if not id:
continue
else:
id = group_blob
grp = model.Group.get(id)
if grp is None:
raise logic.NotFound(_('Group was not found.'))
groups.add(grp)
if pkg:
pkg_groups = pkg.get_groups()
groups = groups - set(pkg_groups)
for group in groups:
if not new_authz.has_user_permission_for_group_or_org(group.id, user, 'update'):
return False
return True
## Modifications for rest api
def package_create_rest(context, data_dict):
model = context['model']
user = context['user']
if not user:
return {'success': False, 'msg': _('Valid API key needed to create a package')}
return package_create(context, data_dict)
def group_create_rest(context, data_dict):
model = context['model']
user = context['user']
if not user:
return {'success': False, 'msg': _('Valid API key needed to create a group')}
return group_create(context, data_dict)
def vocabulary_create(context, data_dict):
# sysadmins only
return {'success': False}
def activity_create(context, data_dict):
# sysadmins only
return {'success': False}
def tag_create(context, data_dict):
# sysadmins only
return {'success': False}
def _group_or_org_member_create(context, data_dict):
user = context['user']
group_id = data_dict['id']
if not new_authz.has_user_permission_for_group_or_org(group_id, user, 'membership'):
return {'success': False, 'msg': _('User %s not authorized to add members') % user}
return {'success': True}
def organization_member_create(context, data_dict):
return _group_or_org_member_create(context, data_dict)
def group_member_create(context, data_dict):
return _group_or_org_member_create(context, data_dict)
def member_create(context, data_dict):
group = logic_auth.get_group_object(context, data_dict)
user = context['user']
# User must be able to update the group to add a member to it
permission = 'update'
# However if the user is member of group then they can add/remove datasets
if not group.is_organization and data_dict.get('object_type') == 'package':
permission = 'manage_group'
authorized = new_authz.has_user_permission_for_group_or_org(group.id,
user,
permission)
if not authorized:
return {'success': False,
'msg': _('User %s not authorized to edit group %s') %
(str(user), group.id)}
else:
return {'success': True}