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enable single_match_else lint

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Also collapses some if statements in the federation name resolution code
This commit is contained in:
Charles Hall 2024-05-14 19:09:29 -07:00
parent a62fa7b6ee
commit 75358340bb
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GPG key ID: 7B8E0645816E07CF
6 changed files with 211 additions and 236 deletions
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177
src/api/server_server.rs
View file

@ -359,100 +359,84 @@ async fn find_actual_destination(destination: &'_ ServerName) -> (FedDest, FedDe
FedDest::Named(host.to_owned(), port.to_owned())
} else {
debug!("Requesting well known for {destination}");
match request_well_known(destination.as_str()).await {
Some(delegated_hostname) => {
debug!("3: A .well-known file is available");
hostname = add_port_to_hostname(&delegated_hostname).into_uri_string();
match get_ip_with_port(&delegated_hostname) {
Some(host_and_port) => host_and_port, // 3.1: IP literal in .well-known file
None => {
if let Some(pos) = delegated_hostname.find(':') {
debug!("3.2: Hostname with port in .well-known file");
let (host, port) = delegated_hostname.split_at(pos);
FedDest::Named(host.to_owned(), port.to_owned())
} else {
debug!("Delegated hostname has no port in this branch");
if let Some(hostname_override) =
query_srv_record(&delegated_hostname).await
{
debug!("3.3: SRV lookup successful");
let force_port = hostname_override.port();
if let Some(delegated_hostname) = request_well_known(destination.as_str()).await {
debug!("3: A .well-known file is available");
hostname = add_port_to_hostname(&delegated_hostname).into_uri_string();
if let Some(host_and_port) = get_ip_with_port(&delegated_hostname) {
host_and_port
} else if let Some(pos) = delegated_hostname.find(':') {
debug!("3.2: Hostname with port in .well-known file");
let (host, port) = delegated_hostname.split_at(pos);
FedDest::Named(host.to_owned(), port.to_owned())
} else {
debug!("Delegated hostname has no port in this branch");
if let Some(hostname_override) = query_srv_record(&delegated_hostname).await
{
debug!("3.3: SRV lookup successful");
let force_port = hostname_override.port();
if let Ok(override_ip) = services()
.globals
.dns_resolver()
.lookup_ip(hostname_override.hostname())
.await
{
services()
.globals
.tls_name_override
.write()
.unwrap()
.insert(
delegated_hostname.clone(),
(
override_ip.iter().collect(),
force_port.unwrap_or(8448),
),
);
} else {
warn!("Using SRV record, but could not resolve to IP");
}
if let Some(port) = force_port {
FedDest::Named(delegated_hostname, format!(":{port}"))
} else {
add_port_to_hostname(&delegated_hostname)
}
} else {
debug!("3.4: No SRV records, just use the hostname from .well-known");
add_port_to_hostname(&delegated_hostname)
}
}
if let Ok(override_ip) = services()
.globals
.dns_resolver()
.lookup_ip(hostname_override.hostname())
.await
{
services()
.globals
.tls_name_override
.write()
.unwrap()
.insert(
delegated_hostname.clone(),
(override_ip.iter().collect(), force_port.unwrap_or(8448)),
);
} else {
warn!("Using SRV record, but could not resolve to IP");
}
if let Some(port) = force_port {
FedDest::Named(delegated_hostname, format!(":{port}"))
} else {
add_port_to_hostname(&delegated_hostname)
}
} else {
debug!("3.4: No SRV records, just use the hostname from .well-known");
add_port_to_hostname(&delegated_hostname)
}
}
None => {
debug!("4: No .well-known or an error occured");
match query_srv_record(&destination_str).await {
Some(hostname_override) => {
debug!("4: SRV record found");
let force_port = hostname_override.port();
} else {
debug!("4: No .well-known or an error occured");
if let Some(hostname_override) = query_srv_record(&destination_str).await {
debug!("4: SRV record found");
let force_port = hostname_override.port();
if let Ok(override_ip) = services()
.globals
.dns_resolver()
.lookup_ip(hostname_override.hostname())
.await
{
services()
.globals
.tls_name_override
.write()
.unwrap()
.insert(
hostname.clone(),
(
override_ip.iter().collect(),
force_port.unwrap_or(8448),
),
);
} else {
warn!("Using SRV record, but could not resolve to IP");
}
if let Some(port) = force_port {
FedDest::Named(hostname.clone(), format!(":{port}"))
} else {
add_port_to_hostname(&hostname)
}
}
None => {
debug!("5: No SRV record found");
add_port_to_hostname(&destination_str)
}
if let Ok(override_ip) = services()
.globals
.dns_resolver()
.lookup_ip(hostname_override.hostname())
.await
{
services()
.globals
.tls_name_override
.write()
.unwrap()
.insert(
hostname.clone(),
(override_ip.iter().collect(), force_port.unwrap_or(8448)),
);
} else {
warn!("Using SRV record, but could not resolve to IP");
}
if let Some(port) = force_port {
FedDest::Named(hostname.clone(), format!(":{port}"))
} else {
add_port_to_hostname(&hostname)
}
} else {
debug!("5: No SRV record found");
add_port_to_hostname(&destination_str)
}
}
}
@ -1270,15 +1254,14 @@ pub(crate) async fn get_room_state_route(
Ok(get_room_state::v1::Response {
auth_chain: auth_chain_ids
.filter_map(
|id| match services().rooms.timeline.get_pdu_json(&id).ok()? {
Some(json) => Some(PduEvent::convert_to_outgoing_federation_event(json)),
None => {
error!("Could not find event json for {id} in db.");
None
}
},
)
.filter_map(|id| {
if let Some(json) = services().rooms.timeline.get_pdu_json(&id).ok()? {
Some(PduEvent::convert_to_outgoing_federation_event(json))
} else {
error!("Could not find event json for {id} in db.");
None
}
})
.collect(),
pdus,
})