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Added support to send custom headers to upstream servers.

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This commit is contained in:
Ara Sadoyan
2025-11-22 23:18:06 +01:00
parent 78c83b802f
commit 74821654f3
13 changed files with 321 additions and 115 deletions
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52
src/web/gethosts.rs
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@@ -3,17 +3,22 @@ use crate::web::proxyhttp::LB;
use async_trait::async_trait;
use std::sync::atomic::Ordering;
#[derive(Debug, Clone)]
pub struct GetHostsReturHeaders {
pub client_headers: Option<Vec<(String, String)>>,
pub server_headers: Option<Vec<(String, String)>>,
}
#[async_trait]
pub trait GetHost {
fn get_host(&self, peer: &str, path: &str, backend_id: Option<&str>) -> Option<InnerMap>;
fn get_header(&self, peer: &str, path: &str) -> Option<Vec<(String, String)>>;
fn get_header(&self, peer: &str, path: &str) -> Option<GetHostsReturHeaders>;
}
#[async_trait]
impl GetHost for LB {
fn get_host(&self, peer: &str, path: &str, backend_id: Option<&str>) -> Option<InnerMap> {
if let Some(b) = backend_id {
if let Some(bb) = self.ump_byid.get(b) {
// println!("BIB :===> {:?}", Some(bb.value()));
return Some(bb.value().clone());
}
}
@@ -45,33 +50,54 @@ impl GetHost for LB {
}
}
}
// println!("Best Match :===> {:?}", best_match);
best_match
}
fn get_header(&self, peer: &str, path: &str) -> Option<Vec<(String, String)>> {
let host_entry = self.headers.get(peer)?;
let mut current_path = path.to_string();
let mut best_match: Option<Vec<(String, String)>> = None;
fn get_header(&self, peer: &str, path: &str) -> Option<GetHostsReturHeaders> {
let client_entry = self.client_headers.get(peer)?;
let server_entry = self.server_headers.get(peer)?;
let mut current_path = path;
let mut best_match = None;
loop {
if let Some(entry) = host_entry.get(&current_path) {
if let Some(entry) = client_entry.get(current_path) {
if !entry.value().is_empty() {
best_match = Some(entry.value().clone());
break;
}
}
if let Some(pos) = current_path.rfind('/') {
current_path.truncate(pos);
current_path = if pos == 0 { "/" } else { &current_path[..pos] };
} else {
break;
}
}
if best_match.is_none() {
if let Some(entry) = host_entry.get("/") {
current_path = path;
let mut serv_match = None;
loop {
if let Some(entry) = server_entry.get(current_path) {
if !entry.value().is_empty() {
best_match = Some(entry.value().clone());
serv_match = Some(entry.value().clone());
break;
}
}
if let Some(pos) = current_path.rfind('/') {
current_path = if pos == 0 { "/" } else { &current_path[..pos] };
} else {
break;
}
if best_match.is_none() {
if let Some(entry) = server_entry.get("/") {
if !entry.value().is_empty() {
best_match = Some(entry.value().clone());
break;
}
}
}
}
best_match
let result = GetHostsReturHeaders {
client_headers: best_match,
server_headers: serv_match,
};
Some(result)
}
}