gru
eba9f89283
- Web Server reads static files inline; proxy middleware chain flattened - About window with license summary and project links; AGPL-3.0-or-later - Rewritten documentation: feature list, screenshots, performance guide - Fix false spikes in per-Vhost request-rate charts
64 lines
2.0 KiB
Rust
64 lines
2.0 KiB
Rust
#[derive(Debug)]
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pub(crate) struct PeerFormatting {
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peer: SocketAddr,
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local: SocketAddr,
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peer_ip: IpAddr,
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peer_header: HeaderValue,
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peer_node: String,
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by_node: String,
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port_header: HeaderValue,
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untrusted_headers: std::sync::Mutex<Option<UntrustedHeaders>>,
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}
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#[derive(Debug)]
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struct UntrustedHeaders {
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authority: HeaderValue,
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tls: bool,
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base: HeaderMap,
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}
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impl PeerFormatting {
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pub(crate) fn new(peer: SocketAddr, local: SocketAddr) -> Self {
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let peer_ip = canonical(peer.ip());
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let peer_text = peer_ip.to_string();
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Self {
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peer,
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local,
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peer_ip,
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peer_header: HeaderValue::from_str(&peer_text).expect("IP text is a valid header"),
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peer_node: if peer_ip.is_ipv4() {
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peer_text
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} else {
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node(peer_ip)
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},
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by_node: node(canonical(local.ip())),
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port_header: HeaderValue::from_str(&local.port().to_string())
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.expect("TCP port is a valid header"),
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untrusted_headers: std::sync::Mutex::new(None),
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}
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}
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/// Text form of the peer address when it needed no canonicalization.
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pub(crate) fn raw_peer_text(&self) -> Option<&str> {
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(self.peer.ip() == self.peer_ip)
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.then(|| self.peer_header.to_str().ok())
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.flatten()
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}
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fn cached_untrusted(&self, authority: &HeaderValue, tls: bool) -> Option<HeaderMap> {
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self.untrusted_headers
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.lock()
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.unwrap_or_else(|e| e.into_inner())
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.as_ref()
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.filter(|entry| entry.tls == tls && entry.authority.as_bytes() == authority.as_bytes())
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.map(|entry| entry.base.clone())
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}
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fn remember_untrusted(&self, authority: &HeaderValue, tls: bool, base: &HeaderMap) {
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*self
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.untrusted_headers
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.lock()
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.unwrap_or_else(|e| e.into_inner()) = Some(UntrustedHeaders {
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authority: authority.clone(),
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tls,
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base: base.clone(),
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});
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}
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}
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