f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
62 lines
2.5 KiB
C++
62 lines
2.5 KiB
C++
/*
|
|
* Copyright 2016-present ScyllaDB
|
|
*
|
|
* Modified by ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* SPDX-License-Identifier: (LicenseRef-ScyllaDB-Source-Available-1.0 and Apache-2.0)
|
|
*/
|
|
|
|
#include <seastar/core/thread.hh>
|
|
|
|
#include "auth/service.hh"
|
|
#include "db/system_keyspace.hh"
|
|
#include "permission_altering_statement.hh"
|
|
#include "cql3/query_processor.hh"
|
|
#include "cql3/role_name.hh"
|
|
#include "gms/feature_service.hh"
|
|
|
|
static auth::permission_set filter_applicable_permissions(const auth::permission_set& ps, const auth::resource& r) {
|
|
auto const filtered_permissions = auth::permission_set::from_mask(ps.mask() & r.applicable_permissions().mask());
|
|
|
|
if (!filtered_permissions) {
|
|
throw exceptions::syntax_exception(
|
|
format("Resource {} does not support any of the requested permissions.", r));
|
|
}
|
|
|
|
return filtered_permissions;
|
|
}
|
|
|
|
cql3::statements::permission_altering_statement::permission_altering_statement(
|
|
auth::permission_set permissions, auth::resource resource,
|
|
const role_name& rn)
|
|
: _permissions(filter_applicable_permissions(permissions, resource))
|
|
, _resource(std::move(resource))
|
|
, _role_name(rn.to_string()) {
|
|
}
|
|
|
|
future<> cql3::statements::permission_altering_statement::check_access(query_processor& qp, const service::client_state& state) const {
|
|
state.ensure_not_anonymous();
|
|
maybe_correct_resource(_resource, state, qp);
|
|
|
|
return state.ensure_exists(_resource).then([this, &state] {
|
|
if (_resource.kind() == auth::resource_kind::functions) {
|
|
// Even if the resource exists, it may be a builtin function or all builtin functions, in which case we disallow altering permissions on it.
|
|
auth::functions_resource_view v(_resource);
|
|
if (v.keyspace() && *v.keyspace() == db::system_keyspace::NAME) {
|
|
return make_exception_future<>(exceptions::invalid_request_exception("Altering permissions on builtin functions is not supported"));
|
|
}
|
|
}
|
|
// check that the user has AUTHORIZE permission on the resource or its parents, otherwise reject
|
|
// GRANT/REVOKE.
|
|
return state.ensure_has_permission({auth::permission::AUTHORIZE, _resource}).then([this, &state] {
|
|
return do_for_each(_permissions, [this, &state](auth::permission p) {
|
|
// TODO: how about we re-write the access check to check a set
|
|
// right away.
|
|
return state.ensure_has_permission({p, _resource});
|
|
});
|
|
});
|
|
});
|
|
}
|