Jędrzej Stuczyński
59 lines
1.8 KiB
Rust
59 lines
1.8 KiB
Rust
// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
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// SPDX-License-Identifier: Apache-2.0
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use crate::error::GatewayClientError;
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pub use client::GatewayClient;
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use log::warn;
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use nym_gateway_requests::BinaryResponse;
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pub use packet_router::{
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AcknowledgementReceiver, AcknowledgementSender, MixnetMessageReceiver, MixnetMessageSender,
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};
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use tungstenite::{protocol::Message, Error as WsError};
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pub use nym_gateway_requests::registration::handshake::SharedKeys;
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pub mod client;
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pub mod error;
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pub mod packet_router;
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pub mod socket_state;
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/// Helper method for reading from websocket stream. Helps to flatten the structure.
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pub(crate) fn cleanup_socket_message(
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msg: Option<Result<Message, WsError>>,
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) -> Result<Message, GatewayClientError> {
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match msg {
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Some(msg) => msg.map_err(GatewayClientError::NetworkError),
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None => Err(GatewayClientError::ConnectionAbruptlyClosed),
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}
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}
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pub(crate) fn cleanup_socket_messages(
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msgs: Option<Vec<Result<Message, WsError>>>,
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) -> Result<Vec<Message>, GatewayClientError> {
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match msgs {
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Some(msgs) => msgs
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.into_iter()
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.map(|msg| msg.map_err(GatewayClientError::NetworkError))
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.collect(),
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None => Err(GatewayClientError::ConnectionAbruptlyClosed),
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}
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}
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pub(crate) fn try_decrypt_binary_message(
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bin_msg: Vec<u8>,
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shared_keys: &SharedKeys,
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) -> Option<Vec<u8>> {
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match BinaryResponse::try_from_encrypted_tagged_bytes(bin_msg, shared_keys) {
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Ok(bin_response) => match bin_response {
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BinaryResponse::PushedMixMessage(plaintext) => Some(plaintext),
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},
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Err(err) => {
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warn!(
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"message received from the gateway was malformed! - {:?}",
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err
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);
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None
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}
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}
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}
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