def resource_delete(context, data_dict):
'''
Nearly plain copying of resource_delete: CKAN calls local package_delete, thus passing our local version of it.
:param context: context
:param data_dict: data_dict
:return: dict with success and optional msg
'''
model = context['model']
user = context.get('user')
resource = logic_auth.get_resource_object(context, data_dict)
# check authentication against package
pkg = model.Package.get(resource.package_id)
if not pkg:
raise NotFound(_('No package found for this resource, cannot check auth.'))
pkg_dict = {'id': pkg.id}
authorized = package_delete(context, pkg_dict).get('success')
if not authorized:
return {'success': False, 'msg': _('User %s not authorized to delete resource %s') % (user, resource.id)}
else:
return {'success': True}
def resource_show(context, data_dict):
# This function is needed since CKAN resource_show function uses the default package_show
# function instead of the one defined in the plugin.
# A bug is openend in order to be able to remove this function
# https://github.com/ckan/ckan/issues/1818
# It's fixed now, so this function can be deleted when the new version is released.
_model = context['model']
user = context.get('user')
resource = logic_auth.get_resource_object(context, data_dict)
# check authentication against package
query = _model.Session.query(_model.Package)\
.join(_model.ResourceGroup)\
.join(_model.Resource)\
.filter(_model.ResourceGroup.id == resource.resource_group_id)
pkg = query.first()
if not pkg:
raise tk.ObjectNotFound(_('No package found for this resource, cannot check auth.'))
pkg_dict = {'id': pkg.id}
authorized = package_show(context, pkg_dict).get('success')
if not authorized:
return {'success': False, 'msg': _('User %s not authorized to read resource %s') % (user, resource.id)}
else:
return {'success': True}
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 = 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_update(context, data_dict):
model = context['model']
user = context.get('user')
resource = logic_auth.get_resource_object(context, data_dict)
# check authentication against package
query = model.Session.query(model.Package)\
.join(model.ResourceGroup)\
.join(model.Resource)\
.filter(model.ResourceGroup.id == resource.resource_group_id)
pkg = query.first()
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 edit resource %s') %
(str(user), resource.id)}
else:
return {'success': True}
def resource_view_delete(fb, context, data_dict):
user = context['auth_user_obj']
resource_view = get_resource_view_object(context, data_dict)
resource = get_resource_object(context, {'id': resource_view.resource_id})
if user_owns_package_as_member(user, resource.resource_group.package):
return {'success': True}
elif user_is_member_of_package_org(user, resource.resource_group.package):
return {'success': False}
return fb(context, data_dict)
def resource_update(fb, context, data_dict):
user = context['auth_user_obj']
resource = get_resource_object(context, data_dict)
package = resource.resource_group.package
if user_owns_package_as_member(user, package):
return {'success': True}
elif user_is_member_of_package_org(user, package):
return {'success': False}
return fb(context, data_dict)
def resource_view_update(context, data_dict):
user = context['auth_user_obj']
resource_view = get_resource_view_object(context, data_dict)
resource = get_resource_object(context, {'id': resource_view.resource_id})
if user_owns_package_as_member(user, resource.resource_group.package):
return {'success': True}
elif user_is_member_of_package_org(user, resource.resource_group.package):
return {'success': False}
fallback = get_default_auth('update', 'resource_view_update')
return fallback(context, data_dict)
def resource_delete(context, data_dict):
user = context['auth_user_obj']
resource = get_resource_object(context, data_dict)
package = resource.resource_group.package
if user_owns_package_as_member(user, package):
return {'success': True}
elif user_is_member_of_package_org(user, package):
return {'success': False}
fallback = get_default_auth('delete', 'resource_delete')
return fallback(context, data_dict)
def resource_show(context, data_dict):
""" Resource show permission checks the user group if the package state is deleted """
model = context['model']
user = context.get('user')
resource = get_resource_object(context, data_dict)
package = resource.resource_group.package
if package.state == 'deleted':
userobj = model.User.get( user )
if not userobj:
return {'success': False, 'msg': _('User %s not authorized to read resource %s') % (str(user),package.id)}
if not _groups_intersect( userobj.get_groups('organization'), package.get_groups('organization') ):
return {'success': False, 'msg': _('User %s not authorized to read package %s') % (str(user),package.id)}
pkg_dict = {'id': package.id}
return package_show(context, pkg_dict)
def test_get_resource_object_with_id(self):
user_name = helpers.call_action('get_site_user')['name']
dataset = helpers.call_action('package_create',
context={'user': user_name},
name='test_dataset')
resource = helpers.call_action('resource_create',
context={'user': user_name},
package_id=dataset['id'],
url='http://foo')
context = {'model': core_model}
obj = logic_auth.get_resource_object(context, {'id': resource['id']})
assert obj.id == resource['id']
assert context['resource'] == obj
def resource_delete(context, data_dict):
model = context['model']
user = context.get('user')
resource = get_resource_object(context, data_dict)
# check authentication against package
pkg = model.Package.get(resource.package_id)
if not pkg:
raise logic.NotFound(_('No package found for this resource, cannot check auth.'))
pkg_dict = {'id': pkg.id}
authorized = authz.is_authorized('package_delete', context, pkg_dict).get('success')
if not authorized:
return {'success': False, 'msg': _('User %s not authorized to delete resource %s') % (user, resource.id)}
else:
return {'success': True}
def edit_resource(context, data_dict):
'''
Check if a user is allowed edit a resource.
:param context: context
:param data_dict: data dictionary
:rype: dictionary
'''
auth_dict = update.resource_update(context, data_dict)
resource = logic_auth.get_resource_object(context, data_dict)
if resource.resource_type == settings.RESOURCE_TYPE_DATASET:
return {'success': False, 'msg': _('Resource %s not editable') % (data_dict['id'])}
else:
return auth_dict
def resource_show(context, data_dict):
model = context["model"]
user = context.get("user")
resource = get_resource_object(context, data_dict)
# check authentication against package
pkg = model.Package.get(resource.package_id)
if not pkg:
raise logic.NotFound(_("No package found for this resource, cannot check auth."))
pkg_dict = {"id": pkg.id}
authorized = authz.is_authorized("package_show", context, pkg_dict).get("success")
if not authorized:
return {"success": False, "msg": _("User %s not authorized to read resource %s") % (user, resource.id)}
else:
return {"success": True}
def resource_show(context, data_dict):
model = context['model']
user = context.get('user')
resource = get_resource_object(context, data_dict)
# check authentication against package
pkg = model.Package.get(resource.package_id)
if not pkg:
raise logic.NotFound(_('No package found for this resource, cannot check auth.'))
pkg_dict = {'id': pkg.id}
authorized = authz.is_authorized('package_show', context, pkg_dict).get('success')
if not authorized:
return {'success': False, 'msg': _('User %s not authorized to read resource %s') % (user, resource.id)}
else:
return {'success': True}
def resource_update(context, data_dict):
"""
Update resource permission checks the user is in a group that the resource's
package is also a member of.
"""
model = context['model']
user = context.get('user')
resource = get_resource_object(context, data_dict)
userobj = model.User.get( user )
if not userobj:
return {'success': False, 'msg': _('User %s not authorized to edit resources in this package') % str(user)}
if not _groups_intersect( userobj.get_groups('publisher'), resource.resource_group.package.get_groups('publisher') ):
return {'success': False, 'msg': _('User %s not authorized to edit resources in this package') % str(user)}
return {'success': True}
def resource_show_ext(context, data_dict):
model = context['model']
user = context.get('user')
userobj = context.get('auth_user_obj')
resource = get_resource_object(context, data_dict)
# check authentication against package
pkg = model.Package.get(resource.package_id)
if not pkg:
raise logic.NotFound(
_('No package found for this resource, cannot check auth.'))
pkg_dict = {'id': pkg.id}
authorized = authz.is_authorized('package_show', context,
pkg_dict).get('success')
if not authorized:
return {
'success':
False,
'msg':
_('User %s not authorized to read resource %s') %
(user, resource.id)
}
if 'res_access' in data_dict:
res_access = data_dict['res_access']
else:
res_access = True
if userobj == None:
mydataset = False
else:
mydataset = (userobj.id == pkg.creator_user_id)
if not (mydataset or res_access):
return {
'success':
False,
'msg':
_('User %s not authorized to read resource (access not public) %s')
% (user, resource.id)
}
return {'success': True}
def test_get_resource_object_with_id(self):
user_name = helpers.call_action("get_site_user")["name"]
dataset = helpers.call_action("package_create",
context={"user": user_name},
name="test_dataset")
resource = helpers.call_action(
"resource_create",
context={"user": user_name},
package_id=dataset["id"],
url="http://foo",
)
context = {"model": core_model}
obj = logic_auth.get_resource_object(context, {"id": resource["id"]})
assert obj.id == resource["id"]
assert context["resource"] == obj
def resource_show(context, data_dict):
user = context.get('user')
user_obj = context.get('auth_user_obj')
resource = logic_auth.get_resource_object(context, data_dict)
# check authentication against package
package_dict = {'id': resource.package_id}
package = logic_auth.get_package_object(context, package_dict)
if not package:
raise tk.ObjectNotFound(_('No package found for this resource, cannot check auth.'))
if package and user_obj and package.creator_user_id == user_obj.id:
return {'success': True}
# active packages can only be seen by its owners
if package.state == 'active':
# anyone can see a public package
if not package.private:
return {'success': True}
# if the user has rights to read in the organization or in the group
if package.owner_org:
authorized = authz.has_user_permission_for_group_or_org(
package.owner_org, user, 'read')
else:
authorized = False
if not authorized:
# Init the model
db.init_db(context['model'])
# Branch not executed if the database return an empty list
if db.AllowedUser.get(package_id=package.id, user_name=user):
authorized = True
if not authorized:
return {'success': False, 'msg': _('User %s not authorized to read resource %s') % (user, resource.id)}
else:
return {'success': True}
else:
return {'success': False, 'msg': _('User %s not authorized to read resource %s') % (user, resource.id)}
def resource_view_create(context, data_dict):
user = context['auth_user_obj']
# data_dict provides 'resource_id', while get_resource_object expects 'id'. This is not consistent with the rest of
# the API - so future proof it by catering for both cases in case the API is made consistent (one way or the other)
# later.
if data_dict and 'resource_id' in data_dict:
dc = {'id': data_dict['resource_id'], 'resource_id': data_dict['resource_id']}
elif data_dict and 'id' in data_dict:
dc = {'id': data_dict['id'], 'resource_id': data_dict['id']}
else:
dc = data_dict
resource = get_resource_object(context, dc)
if user_owns_package_as_member(user, resource.resource_group.package):
return {'success': True}
elif user_is_member_of_package_org(user, resource.resource_group.package):
return {'success': False}
fallback = get_default_auth('create', 'resource_view_create')
return fallback(context, data_dict)
def resource_view_create(context, data_dict):
user = context['auth_user_obj']
# data_dict provides 'resource_id', while get_resource_object expects 'id'. This is not consistent with the rest of
# the API - so future proof it by catering for both cases in case the API is made consistent (one way or the other)
# later.
if data_dict and 'resource_id' in data_dict:
dc = {'id': data_dict['resource_id'], 'resource_id': data_dict['resource_id']}
elif data_dict and 'id' in data_dict:
dc = {'id': data_dict['id'], 'resource_id': data_dict['id']}
else:
dc = data_dict
resource = get_resource_object(context, dc)
if user_owns_package_as_member(user, resource.package):
return {'success': True}
elif user_is_member_of_package_org(user, resource.package):
return {'success': False}
fallback = get_default_auth('create', 'resource_view_create')
return fallback(context, data_dict)
def edit_resource(context, data_dict):
'''
Check if a user is allowed edit a resource.
:param context: context
:param data_dict: data dictionary
:rype: dictionary
'''
auth_dict = update.resource_update(context, data_dict)
resource = logic_auth.get_resource_object(context, data_dict)
if resource.resource_type == settings.RESOURCE_TYPE_DATASET:
return {
'success': False,
'msg': _('Resource %s not editable') % (data_dict['id'])
}
else:
return auth_dict
def resource_delete(next_auth, context, data_dict):
'''
:param next_auth:
:param context:
:param data_dict:
'''
user = context['auth_user_obj']
resource = get_resource_object(context, data_dict)
package = resource.package
if user_owns_package_as_member(user, package):
return {
'success': True
}
elif user_is_member_of_package_org(user, package):
return {
'success': False
}
return next_auth(context, data_dict)
def resource_update(context, data_dict):
model = context['model']
user = context.get('user')
resource = get_resource_object(context, data_dict)
# check authentication against package
query = model.Session.query(model.Package)\
.join(model.ResourceGroup)\
.join(model.Resource)\
.filter(model.ResourceGroup.id == resource.resource_group_id)
pkg = query.first()
if not pkg:
raise logic.NotFound(_('No package found for this resource, cannot check auth.'))
pkg_dict = {'id': pkg.id}
authorized = package_update(context, pkg_dict).get('success')
if not authorized:
return {'success': False, 'msg': _('User %s not authorized to edit resource %s') % (str(user), resource.id)}
else:
return {'success': True}
def resource_show(context, data_dict):
'''Override ckan's auth function
'''
resource_id = data_dict.get('id')
user = context.get('user')
if has_user_record_for_resource(resource_id, user):
if has_user_permission_for_resource(resource_id, user, 'read'):
return {'success': True}
return {'success': False}
resourceObj = get_resource_object(context, data_dict)
packageObj = get_package_object(context, {'id': resourceObj.package_id})
if packageObj.private:
userobj = model.User.get(user)
if userobj:
org_ids = userobj.get_group_ids('organization')
if packageObj.owner_org in org_ids:
return {'success': True}
return {'success': False}
return ckan_package_show(context, {'id': resourceObj.package_id})
def restricted_resource_show(context, data_dict=None):
# Ensure user who can edit the package can see the resource
resource = data_dict.get('resource', context.get('resource', {}))
if not resource:
resource = logic_auth.get_resource_object(context, data_dict)
if type(resource) is not dict:
resource = resource.as_dict()
if authz.is_authorized('package_update', context, {
'id': resource.get('package_id')
}).get('success'):
return ({'success': True})
user_name = logic.restricted_get_username_from_context(context)
package = data_dict.get('package', {})
if not package:
model = context['model']
package = model.Package.get(resource.get('package_id'))
package = package.as_dict()
return (logic.restricted_check_user_resource_access(
user_name, resource, package))
def initiatives_resource_show(context, data_dict=None):
resource = data_dict.get("resource", context.get("resource", {}))
if not resource:
resource = logic_auth.get_resource_object(context, data_dict)
if type(resource) is not dict:
resource = resource.as_dict()
# Ensure user who can edit the package can see the resource
if authz.is_authorized("package_update", context, {
"id": resource.get("package_id")
}).get("success"):
return {"success": True}
user_name = logic.initiatives_get_username_from_context(context)
package = data_dict.get("package", {})
if not package:
model = context["model"]
package = model.Package.get(resource.get("package_id"))
package = package.as_dict()
return logic.initiatives_check_user_resource_access(
user_name, resource, package)
def resource_show(context, data_dict):
model = context["model"]
user = context.get("user")
resource = get_resource_object(context, data_dict)
# check authentication against package
query = (
model.Session.query(model.Package)
.join(model.ResourceGroup)
.join(model.Resource)
.filter(model.ResourceGroup.id == resource.resource_group_id)
)
pkg = query.first()
if not pkg:
raise logic.NotFound(_("No package found for this resource, cannot check auth."))
pkg_dict = {"id": pkg.id}
authorized = package_show(context, pkg_dict).get("success")
if not authorized:
return {"success": False, "msg": _("User %s not authorized to read resource %s") % (user, resource.id)}
else:
return {"success": True}
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 = 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:
if authz.config.get('ckan.gov_theme.is_back'):
return {'success': True}
else:
return {'success': False}
def resource_view_show(context, data_dict):
resourceObj = get_resource_object(context, data_dict)
return resource_show(context, {'id': resourceObj.id})
def resource_tracker_create(context, data_dict):
'''Authorization check for creating a log for a resource
'''
resource_id = data_dict.get('el')
resourceObj = get_resource_object(context, {'id': resource_id})
return auth.resource_show(context, {'id': resourceObj.id})
def resource_download(context, data_dict):
'''
This is a new auth function that specifically controls access to the download
of a resource file, as opposed to seeing the metadata of a resource (handled
by `resource_show`
If this resource is marked as public or private in the custom visibility
field, the authorization check is deferred to `resource_show` as the standard
logic applies (we assume that the necessary validators are applied to keep
`visibility` and `private` fields in sync).
If this resource is marked as `restricted` then only users belonging to
the dataset organization can download the file.
'''
# Prepare all the parts
context['model'] = context.get('model') or model
user = context.get('user')
resource = get_resource_object(context, data_dict)
dataset = toolkit.get_action('package_show')({
'ignore_auth': True
}, {
'id': resource.package_id
})
visibility = resource.extras.get('visibility')
# Use default check
user_id = getattr(context.get('auth_user_obj'), 'id', None)
is_deposit = dataset.get('type') == 'deposited-dataset'
if is_deposit:
is_depositor = dataset.get('creator_user_id') == user_id
curators = [u['id'] for u in helpers.get_data_curation_users(dataset)]
is_curator = user_id in curators
else:
is_depositor = False
is_curator = False
if not user or is_depositor or is_curator or not visibility or visibility != 'restricted':
try:
toolkit.check_access('resource_show', context, data_dict)
return {'success': True}
except toolkit.NotAuthorized:
return {'success': False}
# Restricted visibility (public metadata but private downloads)
if dataset.get('owner_org'):
user_orgs = toolkit.get_action('organization_list_for_user')(
{
'ignore_auth': True
}, {
'id': user
})
user_in_owner_org = any(org['id'] == dataset['owner_org']
for org in user_orgs)
if user_in_owner_org:
return {'success': True}
# Check if the user is a dataset collaborator
action = toolkit.get_action('package_collaborator_list_for_user')
if user and action:
datasets = action(context, {'id': user})
return {
'success': resource.package_id
in [d['package_id'] for d in datasets]
}
return {'success': False}
