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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2021, Magnus Edenhill
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "test.h"
/* Typical include path would be <librdkafka/rdkafka.h>, but this program
* is built from within the librdkafka source tree and thus differs. */
#include "rdkafka.h" /* for Kafka driver */
static rd_bool_t error_seen;
/**
* @brief After config OIDC, make sure the producer and consumer
* can work successfully.
*
*/
static void
do_test_produce_consumer_with_OIDC(const rd_kafka_conf_t *base_conf) {
const char *topic;
uint64_t testid;
rd_kafka_t *p1;
rd_kafka_t *c1;
rd_kafka_conf_t *conf;
const char *url = test_getenv("VALID_OIDC_URL", NULL);
SUB_TEST("Test producer and consumer with oidc configuration");
if (!url) {
SUB_TEST_SKIP(
"VALID_OIDC_URL environment variable is not set\n");
return;
}
conf = rd_kafka_conf_dup(base_conf);
test_conf_set(conf, "sasl.oauthbearer.token.endpoint.url", url);
testid = test_id_generate();
rd_kafka_conf_set_dr_msg_cb(conf, test_dr_msg_cb);
p1 = test_create_handle(RD_KAFKA_PRODUCER, rd_kafka_conf_dup(conf));
topic = test_mk_topic_name("0126-oauthbearer_oidc", 1);
test_create_topic(p1, topic, 1, 3);
TEST_SAY("Topic: %s is created\n", topic);
test_produce_msgs2(p1, topic, testid, 0, 0, 1, NULL, 0);
test_conf_set(conf, "auto.offset.reset", "earliest");
c1 = test_create_consumer(topic, NULL, rd_kafka_conf_dup(conf), NULL);
test_consumer_subscribe(c1, topic);
/* Give it some time to trigger the token refresh. */
rd_usleep(5 * 1000 * 1000, NULL);
test_consumer_poll("OIDC.C1", c1, testid, 1, -1, 1, NULL);
test_consumer_close(c1);
rd_kafka_destroy(p1);
rd_kafka_destroy(c1);
SUB_TEST_PASS();
}
static void
auth_error_cb(rd_kafka_t *rk, int err, const char *reason, void *opaque) {
if (err == RD_KAFKA_RESP_ERR__AUTHENTICATION ||
err == RD_KAFKA_RESP_ERR__ALL_BROKERS_DOWN) {
TEST_SAY("Expected error: %s: %s\n", rd_kafka_err2str(err),
reason);
error_seen = rd_true;
} else
TEST_FAIL("Unexpected error: %s: %s", rd_kafka_err2str(err),
reason);
rd_kafka_yield(rk);
}
/**
* @brief After config OIDC, if the token is expired, make sure
* the authentication fail as expected.
*
*/
static void do_test_produce_consumer_with_OIDC_expired_token_should_fail(
const rd_kafka_conf_t *base_conf) {
rd_kafka_t *c1;
uint64_t testid;
rd_kafka_conf_t *conf;
const char *expired_url = test_getenv("EXPIRED_TOKEN_OIDC_URL", NULL);
SUB_TEST("Test OAUTHBEARER/OIDC failing with expired JWT");
if (!expired_url) {
SUB_TEST_SKIP(
"EXPIRED_TOKEN_OIDC_URL environment variable is not set\n");
return;
}
conf = rd_kafka_conf_dup(base_conf);
error_seen = rd_false;
test_conf_set(conf, "sasl.oauthbearer.token.endpoint.url", expired_url);
rd_kafka_conf_set_error_cb(conf, auth_error_cb);
testid = test_id_generate();
c1 = test_create_consumer("OIDC.fail.C1", NULL, conf, NULL);
test_consumer_poll_no_msgs("OIDC.fail.C1", c1, testid, 10 * 1000);
TEST_ASSERT(error_seen);
test_consumer_close(c1);
rd_kafka_destroy(c1);
SUB_TEST_PASS();
}
/**
* @brief After config OIDC, if the token is not valid, make sure the
* authentication fail as expected.
*
*/
static void do_test_produce_consumer_with_OIDC_should_fail(
const rd_kafka_conf_t *base_conf) {
rd_kafka_t *c1;
uint64_t testid;
rd_kafka_conf_t *conf;
const char *invalid_url = test_getenv("INVALID_OIDC_URL", NULL);
SUB_TEST("Test OAUTHBEARER/OIDC failing with invalid JWT");
if (!invalid_url) {
SUB_TEST_SKIP(
"INVALID_OIDC_URL environment variable is not set\n");
return;
}
conf = rd_kafka_conf_dup(base_conf);
error_seen = rd_false;
test_conf_set(conf, "sasl.oauthbearer.token.endpoint.url", invalid_url);
rd_kafka_conf_set_error_cb(conf, auth_error_cb);
testid = test_id_generate();
c1 = test_create_consumer("OIDC.fail.C1", NULL, conf, NULL);
test_consumer_poll_no_msgs("OIDC.fail.C1", c1, testid, 10 * 1000);
TEST_ASSERT(error_seen);
test_consumer_close(c1);
rd_kafka_destroy(c1);
SUB_TEST_PASS();
}
int main_0126_oauthbearer_oidc(int argc, char **argv) {
rd_kafka_conf_t *conf;
const char *sec;
const char *oidc;
test_conf_init(&conf, NULL, 60);
sec = test_conf_get(conf, "security.protocol");
if (!strstr(sec, "sasl")) {
TEST_SKIP("Apache Kafka cluster not configured for SASL\n");
return 0;
}
oidc = test_conf_get(conf, "sasl.oauthbearer.method");
if (rd_strcasecmp(oidc, "OIDC")) {
TEST_SKIP("`sasl.oauthbearer.method=OIDC` is required\n");
return 0;
}
do_test_produce_consumer_with_OIDC(conf);
do_test_produce_consumer_with_OIDC_should_fail(conf);
do_test_produce_consumer_with_OIDC_expired_token_should_fail(conf);
rd_kafka_conf_destroy(conf);
return 0;
}
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