static void on_keys_retrieved(grpc_exec_ctx *exec_ctx, void *user_data,
const grpc_httpcli_response *response) {
grpc_json *json = json_from_http(response);
verifier_cb_ctx *ctx = (verifier_cb_ctx *)user_data;
EVP_PKEY *verification_key = NULL;
grpc_jwt_verifier_status status = GRPC_JWT_VERIFIER_GENERIC_ERROR;
grpc_jwt_claims *claims = NULL;
if (json == NULL) {
status = GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR;
goto end;
}
verification_key =
find_verification_key(json, ctx->header->alg, ctx->header->kid);
if (verification_key == NULL) {
gpr_log(GPR_ERROR, "Could not find verification key with kid %s.",
ctx->header->kid);
status = GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR;
goto end;
}
if (!verify_jwt_signature(verification_key, ctx->header->alg, ctx->signature,
ctx->signed_data)) {
status = GRPC_JWT_VERIFIER_BAD_SIGNATURE;
goto end;
}
status = grpc_jwt_claims_check(ctx->claims, ctx->audience);
if (status == GRPC_JWT_VERIFIER_OK) {
/* Pass ownership. */
claims = ctx->claims;
ctx->claims = NULL;
}
end:
if (json != NULL) grpc_json_destroy(json);
if (verification_key != NULL) EVP_PKEY_free(verification_key);
ctx->user_cb(ctx->user_data, status, claims);
verifier_cb_ctx_destroy(ctx);
}
static void test_expired_claims_failure(void) {
grpc_jwt_claims *claims;
gpr_slice s = gpr_slice_from_copied_string(expired_claims);
grpc_json *json = grpc_json_parse_string_with_len(
(char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
gpr_timespec exp_iat = {100, 0, GPR_CLOCK_REALTIME};
gpr_timespec exp_exp = {120, 0, GPR_CLOCK_REALTIME};
gpr_timespec exp_nbf = {60, 0, GPR_CLOCK_REALTIME};
GPR_ASSERT(json != NULL);
claims = grpc_jwt_claims_from_json(json, s);
GPR_ASSERT(claims != NULL);
GPR_ASSERT(grpc_jwt_claims_json(claims) == json);
GPR_ASSERT(strcmp(grpc_jwt_claims_audience(claims), "https://foo.com") == 0);
GPR_ASSERT(strcmp(grpc_jwt_claims_issuer(claims), "blah.foo.com") == 0);
GPR_ASSERT(strcmp(grpc_jwt_claims_subject(claims), "*****@*****.**") == 0);
GPR_ASSERT(strcmp(grpc_jwt_claims_id(claims), "jwtuniqueid") == 0);
GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_issued_at(claims), exp_iat) == 0);
GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_expires_at(claims), exp_exp) == 0);
GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_not_before(claims), exp_nbf) == 0);
GPR_ASSERT(grpc_jwt_claims_check(claims, "https://foo.com") ==
GRPC_JWT_VERIFIER_TIME_CONSTRAINT_FAILURE);
grpc_jwt_claims_destroy(claims);
}