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JEQB #168: Remove loop and delete psk file #21

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Merged
leoni-q merged 2 commits into from
Dec 8, 2022
Merged

JEQB #168: Remove loop and delete psk file #21

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1527fec
Remove loop and delete psk file
Wolmin Dec 7, 2022
74a1dae
Remove unused imports, funcs and structs
Wolmin Dec 8, 2022
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76 changes: 15 additions & 61 deletions client/network/src/service.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,8 @@ use std::{
borrow::Cow,
cmp,
collections::{HashMap, HashSet},
fs, iter,
fs, fs::remove_file,
iter,
marker::PhantomData,
num::NonZeroUsize,
pin::Pin,
Expand Down Expand Up @@ -153,7 +154,7 @@ pub struct QkdResponse {

async fn get_pre_shared_key_rpc(rpc_addr: &AddrWithPeerId, qkd_addr: &AddrWithPeerId, local_peer_id: PeerId) -> Result<String, Error> {
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let mut rpc_url = "http://".to_string();
rpc_url.push_str(&rpc_addr.host.to_string());
rpc_url.push_str(&rpc_addr.host.to_string());

let client = match HttpClientBuilder::default().build(rpc_url.clone()) {
Ok(client) => client,
Expand All @@ -180,7 +181,7 @@ async fn get_pre_shared_key_rpc(rpc_addr: &AddrWithPeerId, qkd_addr: &AddrWithPe
qkd_url.push_str(&path);
qkd_url.push_str("/dec_keys?key_ID=");
qkd_url.push_str(&response.key_ID);

let qkd_response = match reqwest::get(qkd_url).await {
Ok(qkd_response) => qkd_response,
Err(err) => {
Expand Down Expand Up @@ -229,7 +230,7 @@ async fn get_pre_shared_key_rpc(rpc_addr: &AddrWithPeerId, qkd_addr: &AddrWithPe
for i in 0..32 {
psk_bytes[i] = qkd_key_bytes[i] ^ psk_bytes[i];
}

let psk_string = hex::encode(psk_bytes.clone());

Ok(psk_string)
Expand All @@ -246,7 +247,7 @@ where
+ Send
+ Sync
+ 'static,
{
{
/// Creates the network service.
///
/// Returns a `NetworkWorker` that implements `Future` and must be regularly polled in order
Expand All @@ -257,61 +258,6 @@ where
let local_identity = params.network_config.node_key.clone().into_keypair()?;
let local_public = local_identity.public();
let local_peer_id = local_public.to_peer_id();

loop {
match params.network_config.pre_shared_key.clone().into_pre_share_key() {
Ok(_) => {
log::info!("Found file with pre-shared key.");
break;
},
Err(err) => {
log::info!("File with pre-shared key not found.");
log::info!("Error: {:?}", err);
let addresses = params.network_config.external_nodes_rpc.clone();
if addresses.is_empty() {
return Err(Error::NotFoundRpcAddresses)
}

let qkd_addrs = params.network_config.qkd_addr.clone();

'mainFor: for addr in &addresses {
for qkd_addr in &qkd_addrs {
if addr.peer_id == qkd_addr.peer_id {
match get_pre_shared_key_rpc(addr, qkd_addr, local_peer_id).await {
Ok(psk) => {
if !psk.is_empty() {

log::info!(
"Request for a pre-shared key to a node with peer id: {:?}",
addr.peer_id.to_string(),
);

params.network_config.pre_shared_key.clone().write_psk_to_file(psk.as_bytes());

log::info!(
"The pre-shared key was sucessfully redone and writen to the file from the node with peer id: {:?}",
addr.peer_id.to_string(),
);

break 'mainFor;
}
},
Err(err) => {
log::info!(
"Failed to get a common key from a node with a peer id: {:?}. Error: {:?}",
addr.peer_id.to_string(),
err
);
continue 'mainFor;
}
}
}
}
log::info!("No QKD address is configured for the node with peer id {:?}", addr.peer_id.to_string());
}
}
}
}

params.network_config.pre_shared_key.clone().into_pre_share_key()?;

Expand Down Expand Up @@ -646,6 +592,14 @@ where
)?;
(params.transactions_handler_executor)(tx_handler.run().boxed());

// after loading psk we can delete it
let _result = match remove_file("psk") {
Err(err) => {
error!("Couldn't remove psk file: {:?}", err)
},
_ => {}
};

Ok(NetworkWorker {
external_addresses,
num_connected,
Expand All @@ -661,7 +615,7 @@ where
boot_node_ids,
})
}

//TODO doc
/// doc
pub fn new_for_test(mut params: Params<B, H, Client>) -> Result<Self, Error> {
Expand Down