grpc_auth_json_key grpc_auth_json_key_create_from_string(
const char *json_string) {
grpc_auth_json_key result;
char *scratchpad = gpr_strdup(json_string);
grpc_json *json = grpc_json_parse_string(scratchpad);
BIO *bio = NULL;
const char *prop_value;
int success = 0;
memset(&result, 0, sizeof(grpc_auth_json_key));
result.type = GRPC_AUTH_JSON_TYPE_INVALID;
if (json == NULL) {
gpr_log(GPR_ERROR, "Invalid json string %s", json_string);
goto end;
}
prop_value = json_get_string_property(json, "type");
if (prop_value == NULL ||
strcmp(prop_value, GRPC_AUTH_JSON_TYPE_SERVICE_ACCOUNT)) {
goto end;
}
result.type = GRPC_AUTH_JSON_TYPE_SERVICE_ACCOUNT;
if (!set_json_key_string_property(json, "private_key_id",
&result.private_key_id) ||
!set_json_key_string_property(json, "client_id", &result.client_id) ||
!set_json_key_string_property(json, "client_email",
&result.client_email)) {
goto end;
}
prop_value = json_get_string_property(json, "private_key");
if (prop_value == NULL) {
goto end;
}
bio = BIO_new(BIO_s_mem());
success = BIO_puts(bio, prop_value);
if ((success < 0) || ((size_t)success != strlen(prop_value))) {
gpr_log(GPR_ERROR, "Could not write into openssl BIO.");
goto end;
}
result.private_key = PEM_read_bio_RSAPrivateKey(bio, NULL, NULL, "");
if (result.private_key == NULL) {
gpr_log(GPR_ERROR, "Could not deserialize private key.");
goto end;
}
success = 1;
end:
if (bio != NULL) BIO_free(bio);
if (json != NULL) grpc_json_destroy(json);
if (!success) grpc_auth_json_key_destruct(&result);
gpr_free(scratchpad);
return result;
}
grpc_auth_refresh_token grpc_auth_refresh_token_create_from_json(
const grpc_json *json) {
grpc_auth_refresh_token result;
const char *prop_value;
int success = 0;
memset(&result, 0, sizeof(grpc_auth_refresh_token));
result.type = GRPC_AUTH_JSON_TYPE_INVALID;
if (json == NULL) {
gpr_log(GPR_ERROR, "Invalid json.");
goto end;
}
prop_value = json_get_string_property(json, "type");
if (prop_value == NULL ||
strcmp(prop_value, GRPC_AUTH_JSON_TYPE_AUTHORIZED_USER)) {
goto end;
}
result.type = GRPC_AUTH_JSON_TYPE_AUTHORIZED_USER;
if (!set_json_key_string_property(json, "client_secret",
&result.client_secret) ||
!set_json_key_string_property(json, "client_id", &result.client_id) ||
!set_json_key_string_property(json, "refresh_token",
&result.refresh_token)) {
goto end;
}
success = 1;
end:
if (!success) grpc_auth_refresh_token_destruct(&result);
return result;
}
static int set_json_key_string_property(grpc_json *json, const char *prop_name,
char **json_key_field) {
const char *prop_value = json_get_string_property(json, prop_name);
if (prop_value == NULL) return 0;
*json_key_field = gpr_strdup(prop_value);
return 1;
}
