/*
* perform compact serialization on a JWT and return the resulting string
*/
char *oidc_jwt_serialize(apr_pool_t *pool, oidc_jwt_t *jwt,
oidc_jose_error_t *err) {
cjose_err cjose_err;
const char *cser = NULL;
if (strcmp(jwt->header.alg, "none") != 0) {
if (cjose_jws_export(jwt->cjose_jws, &cser, &cjose_err) == FALSE) {
oidc_jose_error(err, "cjose_jws_export failed: %s",
oidc_cjose_e2s(pool, cjose_err));
return NULL;
}
} else {
char *s_payload = json_dumps(jwt->payload.value.json,
JSON_PRESERVE_ORDER | JSON_COMPACT);
char *out = NULL;
size_t out_len;
if (cjose_base64url_encode((const uint8_t *)s_payload, strlen(s_payload), &out, &out_len,
&cjose_err) == FALSE)
return FALSE;
cser = apr_pstrndup(pool, out, out_len);
cjose_get_dealloc()(out);
free(s_payload);
cser = apr_psprintf(pool, "eyJhbGciOiJub25lIn0.%s.", cser);
}
return apr_pstrdup(pool, cser);
}
END_TEST
START_TEST(test_cjose_jws_import_export_compare)
{
cjose_err err;
// import the common key
cjose_jwk_t *jwk = cjose_jwk_import(JWK_COMMON, strlen(JWK_COMMON), &err);
ck_assert_msg(NULL != jwk, "cjose_jwk_import failed: "
"%s, file: %s, function: %s, line: %ld",
err.message, err.file, err.function, err.line);
// import the jws created with the common key
cjose_jws_t *jws = cjose_jws_import(JWS_COMMON, strlen(JWS_COMMON), &err);
ck_assert_msg(NULL != jws, "cjose_jws_import failed: "
"%s, file: %s, function: %s, line: %ld",
err.message, err.file, err.function, err.line);
// re-export the jws object
const char *cser = NULL;
ck_assert_msg(cjose_jws_export(jws, &cser, &err), "re-export of imported JWS faied: "
"%s, file: %s, function: %s, line: %ld",
err.message, err.file, err.function, err.line);
// compare the re-export to the original serialization
ck_assert_msg(strncmp(JWS_COMMON, cser, strlen(JWS_COMMON)) == 0, "export of imported JWS doesn't match original");
cjose_jwk_release(jwk);
cjose_jws_release(jws);
}
static void _self_sign_self_verify(const char *plain1, const char *alg, cjose_err *err)
{
const char *s_jwk = _self_get_jwk_by_alg(alg);
cjose_jwk_t *jwk = cjose_jwk_import(s_jwk, strlen(s_jwk), err);
ck_assert_msg(NULL != jwk, "cjose_jwk_import failed: "
"%s, file: %s, function: %s, line: %ld",
err->message, err->file, err->function, err->line);
// set header for JWS
cjose_header_t *hdr = cjose_header_new(err);
ck_assert_msg(cjose_header_set(hdr, CJOSE_HDR_ALG, alg, err), "cjose_header_set failed: "
"%s, file: %s, function: %s, line: %ld",
err->message, err->file, err->function, err->line);
// create the JWS
size_t plain1_len = strlen(plain1);
cjose_jws_t *jws1 = cjose_jws_sign(jwk, hdr, plain1, plain1_len, err);
ck_assert_msg(NULL != jws1, "cjose_jws_sign failed: "
"%s, file: %s, function: %s, line: %ld",
err->message, err->file, err->function, err->line);
ck_assert(hdr == cjose_jws_get_protected(jws1));
// get the compact serialization of JWS
const char *compact = NULL;
ck_assert_msg(cjose_jws_export(jws1, &compact, err), "cjose_jws_export failed: "
"%s, file: %s, function: %s, line: %ld",
err->message, err->file, err->function, err->line);
// deserialize the compact representation to a new JWS
cjose_jws_t *jws2 = cjose_jws_import(compact, strlen(compact), err);
ck_assert_msg(NULL != jws2, "cjose_jws_import failed: "
"%s, file: %s, function: %s, line: %ld",
err->message, err->file, err->function, err->line);
// verify the deserialized JWS
ck_assert_msg(cjose_jws_verify(jws2, jwk, err), "cjose_jws_verify failed: "
"%s, file: %s, function: %s, line: %ld",
err->message, err->file, err->function, err->line);
// get the verified plaintext
uint8_t *plain2 = NULL;
size_t plain2_len = 0;
ck_assert_msg(cjose_jws_get_plaintext(jws2, &plain2, &plain2_len, err), "cjose_jws_get_plaintext failed: "
"%s, file: %s, function: %s, line: %ld",
err->message, err->file, err->function, err->line);
// confirm equal headers
ck_assert(json_equal((json_t *)cjose_jws_get_protected(jws1), (json_t *)cjose_jws_get_protected(jws2)));
// confirm plain2 == plain1
ck_assert_msg(plain2_len == strlen(plain1), "length of verified plaintext does not match length of original, "
"expected: %lu, found: %lu",
strlen(plain1), plain2_len);
ck_assert_msg(strncmp(plain1, plain2, plain2_len) == 0, "verified plaintext does not match signed plaintext");
cjose_header_release(hdr);
cjose_jws_release(jws1);
cjose_jws_release(jws2);
cjose_jwk_release(jwk);
}
