scylladb/tests/auth_test.cc

/*
 * Copyright (C) 2016 ScyllaDB
 */

/*
 * This file is part of Scylla.
 *
 * Scylla is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Scylla 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 Scylla.  If not, see <http://www.gnu.org/licenses/>.
 */


#include <boost/range/irange.hpp>
#include <boost/range/adaptors.hpp>
#include <boost/range/algorithm.hpp>
#include <boost/test/unit_test.hpp>
#include <stdint.h>

#include <seastar/core/future-util.hh>
#include <seastar/core/shared_ptr.hh>
#include <seastar/core/thread.hh>

#include <seastar/testing/test_case.hh>
#include "tests/cql_test_env.hh"
#include "tests/cql_assertions.hh"

#include "auth/allow_all_authenticator.hh"
#include "auth/authenticator.hh"
#include "auth/password_authenticator.hh"
#include "auth/service.hh"
#include "auth/authenticated_user.hh"
#include "auth/resource.hh"

#include "db/config.hh"
#include "cql3/query_processor.hh"

SEASTAR_TEST_CASE(test_default_authenticator) {
    return do_with_cql_env([](cql_test_env& env) {
        auto& a = env.local_auth_service().underlying_authenticator();
        BOOST_REQUIRE_EQUAL(a.require_authentication(), false);
        BOOST_REQUIRE_EQUAL(a.qualified_java_name(), auth::allow_all_authenticator_name());
        return make_ready_future();
    });
}

SEASTAR_TEST_CASE(test_password_authenticator_attributes) {
    db::config cfg;
    cfg.authenticator(auth::password_authenticator_name());

    return do_with_cql_env([](cql_test_env& env) {
        auto& a = env.local_auth_service().underlying_authenticator();
        BOOST_REQUIRE_EQUAL(a.require_authentication(), true);
        BOOST_REQUIRE_EQUAL(a.qualified_java_name(), auth::password_authenticator_name());
        return make_ready_future();
    }, cfg);
}

static future<auth::authenticated_user>
authenticate(cql_test_env& env, std::string_view username, std::string_view password) {
    auto& c = env.local_client_state();
    auto& a = env.local_auth_service().underlying_authenticator();

    return do_with(
            auth::authenticator::credentials_map{
                    {auth::authenticator::USERNAME_KEY, sstring(username)},
                    {auth::authenticator::PASSWORD_KEY, sstring(password)}},
            [&a, &c, username](const auto& credentials) {
        return a.authenticate(credentials).then([&c, username](auth::authenticated_user u) {
            c.set_login(::make_shared<auth::authenticated_user>(std::move(u)));
            return c.check_user_exists().then([&c] { return *c.user(); });
        });
    });
}

SEASTAR_TEST_CASE(test_password_authenticator_operations) {
    db::config cfg;
    cfg.authenticator(auth::password_authenticator_name());

    /**
     * Not using seastar::async due to apparent ASan bug.
     * Enjoy the slightly less readable code.
     */
    return do_with_cql_env([](cql_test_env& env) {
        static const sstring username("fisk");
        static const sstring password("notter");

        using namespace auth;

        auto& a = env.local_auth_service().underlying_authenticator();

        // check non-existing user
        return authenticate(env, username, password).then_wrapped([&a](future<auth::authenticated_user>&& f) {
            try {
                f.get();
                BOOST_FAIL("should not reach");
            } catch (exceptions::authentication_exception&) {
                // ok
            }
        }).then([&env, &a] {
            return do_with(role_config{}, authentication_options{}, [&env, &a](auto& config, auto& options) {
                config.can_login = true;
                options.password = password;

                return auth::create_role(env.local_auth_service(), username, config, options).then([&env, &a] {
                    return authenticate(env, username, password).then([](auth::authenticated_user user) {
                        BOOST_REQUIRE_EQUAL(auth::is_anonymous(user), false);
                        BOOST_REQUIRE_EQUAL(*user.name, username);
                    });
                });
            });
        }).then([&env, &a] {
            // check wrong password
            return authenticate(env, username, "hejkotte").then_wrapped([](future<auth::authenticated_user>&& f) {
                try {
                    f.get();
                    BOOST_FAIL("should not reach");
                } catch (exceptions::authentication_exception&) {
                    // ok
                }
            });
        }).then([&a] {
            // sasl
            auto sasl = a.new_sasl_challenge();

            BOOST_REQUIRE_EQUAL(sasl->is_complete(), false);

            bytes b;
            int8_t i = 0;
            b.append(&i, 1);
            b.insert(b.end(), username.begin(), username.end());
            b.append(&i, 1);
            b.insert(b.end(), password.begin(), password.end());

            sasl->evaluate_response(b);
            BOOST_REQUIRE_EQUAL(sasl->is_complete(), true);

            return sasl->get_authenticated_user().then([](auth::authenticated_user user) {
                BOOST_REQUIRE_EQUAL(auth::is_anonymous(user), false);
                BOOST_REQUIRE_EQUAL(*user.name, username);
            });
        }).then([&env, &a] {
            // check deleted user
            return auth::drop_role(env.local_auth_service(), username).then([&env, &a] {
                return authenticate(env, username, password).then_wrapped([](future<auth::authenticated_user>&& f) {
                    try {
                        f.get();
                        BOOST_FAIL("should not reach");
                    } catch (exceptions::authentication_exception&) {
                        // ok
                    }
                });
            });
        });
    }, cfg);
}