static int s_build_signing_config()

in src/native/aws_signing.c [279:353]

• 61 lines of code
• 6 McCabe index (conditional complexity)

static int s_build_signing_config(
    JNIEnv *env,
    struct s_aws_sign_request_callback_data *callback_data,
    jobject java_config,
    struct aws_signing_config_aws *config) {

    config->config_type = AWS_SIGNING_CONFIG_AWS;
    config->algorithm = (enum aws_signing_algorithm)(*env)->GetIntField(
        env, java_config, aws_signing_config_properties.algorithm_field_id);
    config->signature_type = (enum aws_signature_type)(*env)->GetIntField(
        env, java_config, aws_signing_config_properties.signature_type_field_id);

    jstring region = (jstring)(*env)->GetObjectField(env, java_config, aws_signing_config_properties.region_field_id);
    callback_data->region = aws_jni_new_string_from_jstring(env, region);
    config->region = aws_byte_cursor_from_string(callback_data->region);

    jstring service = (jstring)(*env)->GetObjectField(env, java_config, aws_signing_config_properties.service_field_id);
    callback_data->service = aws_jni_new_string_from_jstring(env, service);
    config->service = aws_byte_cursor_from_string(callback_data->service);

    int64_t epoch_time_millis = (*env)->GetLongField(env, java_config, aws_signing_config_properties.time_field_id);
    aws_date_time_init_epoch_millis(&config->date, (uint64_t)epoch_time_millis);

    jobject sign_header_predicate =
        (*env)->GetObjectField(env, java_config, aws_signing_config_properties.should_sign_header_field_id);
    if (sign_header_predicate != NULL) {
        callback_data->java_sign_header_predicate = (*env)->NewGlobalRef(env, sign_header_predicate);
        AWS_FATAL_ASSERT(callback_data->java_sign_header_predicate != NULL);

        config->should_sign_header = s_should_sign_header;
        config->should_sign_header_ud = callback_data;
    }

    config->flags.use_double_uri_encode =
        (*env)->GetBooleanField(env, java_config, aws_signing_config_properties.use_double_uri_encode_field_id);
    config->flags.should_normalize_uri_path =
        (*env)->GetBooleanField(env, java_config, aws_signing_config_properties.should_normalize_uri_path_field_id);
    config->flags.omit_session_token =
        (*env)->GetBooleanField(env, java_config, aws_signing_config_properties.omit_session_token_field_id);

    jstring signed_body_value =
        (jstring)(*env)->GetObjectField(env, java_config, aws_signing_config_properties.signed_body_value_field_id);
    if (signed_body_value == NULL) {
        AWS_ZERO_STRUCT(config->signed_body_value);
    } else {
        callback_data->signed_body_value = aws_jni_new_string_from_jstring(env, signed_body_value);
        config->signed_body_value = aws_byte_cursor_from_string(callback_data->signed_body_value);
    }

    config->signed_body_header =
        (*env)->GetIntField(env, java_config, aws_signing_config_properties.signed_body_header_field_id);

    jobject provider =
        (*env)->GetObjectField(env, java_config, aws_signing_config_properties.credentials_provider_field_id);
    if (provider != NULL) {
        config->credentials_provider =
            (void *)(*env)->CallLongMethod(env, provider, crt_resource_properties.get_native_handle_method_id);
        aws_jni_check_and_clear_exception(env);
    }

    jobject credentials = (*env)->GetObjectField(env, java_config, aws_signing_config_properties.credentials_field_id);
    if (credentials != NULL) {
        callback_data->credentials = aws_credentials_new_from_java_credentials(env, credentials);
        config->credentials = callback_data->credentials;
    }

    config->expiration_in_seconds =
        (uint64_t)(*env)->GetLongField(env, java_config, aws_signing_config_properties.expiration_in_seconds_field_id);

    if (aws_jni_check_and_clear_exception(env)) {
        return aws_raise_error(AWS_ERROR_HTTP_CALLBACK_FAILURE);
    }

    return AWS_OP_SUCCESS;
}