Added support to send custom headers to upstream servers.

Cargo.lock

@@ -2478,6 +2478,7 @@ dependencies = [
  "bytes",
  "encoding_rs",
  "futures-core",
+ "futures-util",
  "h2",
  "http",
  "http-body",
@@ -2499,12 +2500,14 @@ dependencies = [
  "sync_wrapper",
  "tokio",
  "tokio-native-tls",
+ "tokio-util",
  "tower",
  "tower-http",
  "tower-service",
  "url",
  "wasm-bindgen",
  "wasm-bindgen-futures",
+ "wasm-streams",
  "web-sys",
 ]
 
@@ -3499,6 +3502,19 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "wasm-streams"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15053d8d85c7eccdbefef60f06769760a563c7f0a9d6902a13d35c7800b0ad65"
+dependencies = [
+ "futures-util",
+ "js-sys",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+]
+
 [[package]]
 name = "web-sys"
 version = "0.3.77"

Cargo.toml

@@ -26,7 +26,7 @@ futures = "0.3.31"
 notify = "8.2.0"
 axum = { version = "0.8.4" }
 axum-server = { version = "0.7.2", features = ["tls-openssl"] }
-reqwest = { version = "0.12.23", features = ["json", "native-tls-alpn"] }
+reqwest = { version = "0.12.23", features = ["json", "native-tls-alpn", "stream"] }
 #reqwest = { version = "0.12.15", features = ["json", "rustls-tls"] }
 #reqwest = { version = "0.12.15", default-features = false, features = ["rustls-tls", "json"] }
 

README.md

@@ -191,7 +191,10 @@ provider: "file"
 sticky_sessions: false
 to_https: false
 rate_limit: 10
-headers:
+server_headers:
+  - "X-Forwarded-Proto:https"
+  - "X-Forwarded-Port:443"
+client_headers:
   - "Access-Control-Allow-Origin:*"
   - "Access-Control-Allow-Methods:POST, GET, OPTIONS"
   - "Access-Control-Max-Age:86400"
@@ -203,7 +206,10 @@ myhost.mydomain.com:
     "/":
       rate_limit: 20
       to_https: false
-      headers:
+      server_headers:
+        - "X-Something-Else:Foobar"
+        - "X-Another-Header:Hohohohoho"
+      client_headers:
         - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
         - "X-Proxy-From:Hopaaaaaaaaaaaar"
       servers:
@@ -211,7 +217,7 @@ myhost.mydomain.com:
         - "127.0.0.2:8000"
     "/foo":
       to_https: true
-      headers:
+      client_headers:
         - "X-Another-Header:Hohohohoho"
       servers:
         - "127.0.0.4:8443"
@@ -226,6 +232,8 @@ myhost.mydomain.com:
 
 - Sticky sessions are disabled globally. This setting applies to all upstreams. If enabled all requests will be 301 redirected to HTTPS.
 - HTTP to HTTPS redirect disabled globally, but can be overridden by `to_https` setting per upstream.
+- All upstreams will receive custom headers : `X-Forwarded-Proto:https` and `X-Forwarded-Port:443`
+- Additionally, myhost.mydomain.com with path `/` will receive custom headers : `X-Another-Header:Hohohohoho` and `X-Something-Else:Foobar`
 - Requests to each hosted domains will be limited to 10 requests per second per virtualhost.
     - Requests limits are calculated per requester ip plus requested virtualhost.
     - If the requester exceeds the limit it will receive `429 Too Many Requests` error.

etc/upstreams.yaml

@@ -3,11 +3,13 @@ provider: "file" # "file" "consul" "kubernetes"
 sticky_sessions: false
 to_https: false
 rate_limit: 100
-headers:
+server_headers:
+  - "X-Forwarded-Proto:https"
+  - "X-Forwarded-Port:443"
+client_headers:
   - "Access-Control-Allow-Origin:*"
   - "Access-Control-Allow-Methods:POST, GET, OPTIONS"
   - "Access-Control-Max-Age:86400"
-  - "Strict-Transport-Security:max-age=31536000; includeSubDomains; preload"
 #authorization:
 #  type: "jwt"
 #  creds: "910517d9-f9a1-48de-8826-dbadacbd84af-cb6f830e-ab16-47ec-9d8f-0090de732774"
@@ -21,38 +23,38 @@ consul:
     - "http://192.168.1.200:8500"
     - "http://192.168.1.201:8500"
   services: # hostname: The hostname to access the proxy server, upstream : The real service name in Consul database.
-    - hostname: "vt-webapi-service"
+    - hostname: "webapi-service"
-      upstream: "vt-webapi-service-health"
+      upstream: "webapi-service-health"
       path: "/one"
-      headers:
+      client_headers:
         - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
         - "X-Proxy-From:Aralez"
       rate_limit: 1
       to_https: false
-    - hostname: "vt-webapi-service"
+    - hostname: "webapi-service"
-      upstream: "vt-webapi-service-health"
+      upstream: "webapi-service-health"
       path: "/"
   token: "8e2db809-845b-45e1-8b47-2c8356a09da0-a4370955-18c2-4d6e-a8f8-ffcc0b47be81" # Consul server access token, If Consul auth is enabled
 kubernetes:
   servers:
     - "192.168.1.55:443" #For testing only, overrides with KUBERNETES_SERVICE_HOST : KUBERNETES_SERVICE_PORT_HTTPS env variables.
   services:
-    - hostname: "vt-webapi-service"
+    - hostname: "webapi-service"
       path: "/"
-      upstream: "vt-webapi-service"
+      upstream: "webapi-service"
-    - hostname: "vt-webapi-service"
+    - hostname: "webapi-service"
       upstream: "vt-console-service"
       path: "/one"
-      headers:
+      client_headers:
         - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
         - "X-Proxy-From:Aralez"
       rate_limit: 100
       to_https: false
-    - hostname: "vt-webapi-service"
+    - hostname: "webapi-service"
       upstream: "vt-rambulik-service"
       path: "/two"
-    - hostname: "vt-websocket-service"
+    - hostname: "websocket-service"
-      upstream: "vt-websocket-service"
+      upstream: "websocket-service"
       path: "/"
   tokenpath: "/path/to/kubetoken.txt" #If not set, will default to /var/run/secrets/kubernetes.io/serviceaccount/token
 upstreams:
@@ -61,7 +63,7 @@ upstreams:
       "/":
         rate_limit: 200
         to_https: false
-        headers:
+        client_headers:
           - "X-Proxy-From:Aralez"
         servers:
           - "127.0.0.1:8000"
@@ -71,7 +73,10 @@ upstreams:
           - "127.0.0.5:8000"
       "/ping":
         to_https: false
-        headers:
+        server_headers:
+          - "X-Forwarded-Proto:https"
+          - "X-Forwarded-Port:443"
+        client_headers:
           - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
           - "X-Proxy-From:Aralez"
         servers:
@@ -84,7 +89,7 @@ upstreams:
     paths:
       "/":
         to_https: false
-        headers:
+        client_headers:
           - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
         servers:
           - "192.168.1.1:8000"

src/utils.rs

@@ -12,3 +12,4 @@ pub mod state;
 pub mod structs;
 pub mod tls;
 pub mod tools;
+// pub mod watchksecret;

src/utils/httpclient.rs

@@ -0,0 +1,75 @@
+use crate::utils::kuberconsul::{match_path, ConsulService, KubeEndpoints};
+use crate::utils::structs::{InnerMap, ServiceMapping};
+use axum::http::{HeaderMap, HeaderValue};
+use dashmap::DashMap;
+use reqwest::Client;
+use std::sync::atomic::AtomicUsize;
+use std::time::Duration;
+
+pub async fn for_consul(url: String, token: Option<String>, conf: &ServiceMapping) -> Option<DashMap<String, (Vec<InnerMap>, AtomicUsize)>> {
+    let client = Client::builder().timeout(Duration::from_secs(2)).danger_accept_invalid_certs(true).build().ok()?;
+    let mut headers = HeaderMap::new();
+    if let Some(token) = token {
+        headers.insert("X-Consul-Token", HeaderValue::from_str(&token).unwrap());
+    }
+    let to = Duration::from_secs(1);
+    let resp = client.get(url).timeout(to).send().await.ok()?;
+    if !resp.status().is_success() {
+        eprintln!("Consul API returned status: {}", resp.status());
+        return None;
+    }
+    let mut inner_vec = Vec::new();
+    let upstreams: DashMap<String, (Vec<InnerMap>, AtomicUsize)> = DashMap::new();
+    let endpoints: Vec<ConsulService> = resp.json().await.ok()?;
+    for subsets in endpoints {
+        let addr = subsets.tagged_addresses.get("lan_ipv4").unwrap().address.clone();
+        let prt = subsets.tagged_addresses.get("lan_ipv4").unwrap().port.clone();
+        let to_add = InnerMap {
+            address: addr,
+            port: prt,
+            is_ssl: false,
+            is_http2: false,
+            to_https: conf.to_https.unwrap_or(false),
+            rate_limit: conf.rate_limit,
+            healthcheck: None,
+        };
+        inner_vec.push(to_add);
+    }
+    match_path(&conf, &upstreams, inner_vec.clone());
+    Some(upstreams)
+}
+
+pub async fn for_kuber(url: &str, token: &str, conf: &ServiceMapping) -> Option<DashMap<String, (Vec<InnerMap>, AtomicUsize)>> {
+    let to = Duration::from_secs(10);
+    let client = Client::builder().timeout(Duration::from_secs(10)).danger_accept_invalid_certs(true).build().ok()?;
+    let resp = client.get(url).timeout(to).bearer_auth(token).send().await.ok()?;
+    if !resp.status().is_success() {
+        eprintln!("Kubernetes API returned status: {}", resp.status());
+        return None;
+    }
+    let endpoints: KubeEndpoints = resp.json().await.ok()?;
+    let upstreams: DashMap<String, (Vec<InnerMap>, AtomicUsize)> = DashMap::new();
+    if let Some(subsets) = endpoints.subsets {
+        for subset in subsets {
+            if let (Some(addresses), Some(ports)) = (subset.addresses, subset.ports) {
+                let mut inner_vec = Vec::new();
+                for addr in addresses {
+                    for port in &ports {
+                        let to_add = InnerMap {
+                            address: addr.ip.clone(),
+                            port: port.port.clone(),
+                            is_ssl: false,
+                            is_http2: false,
+                            to_https: conf.to_https.unwrap_or(false),
+                            rate_limit: conf.rate_limit,
+                            healthcheck: None,
+                        };
+                        inner_vec.push(to_add);
+                    }
+                }
+                match_path(&conf, &upstreams, inner_vec.clone());
+            }
+        }
+    }
+    Some(upstreams)
+}

src/utils/kuberconsul.rs

@@ -94,43 +94,45 @@ pub struct ConsulDiscovery;
 impl ServiceDiscovery for KubernetesDiscovery {
     async fn fetch_upstreams(&self, config: Arc<Configuration>, mut toreturn: Sender<Configuration>) {
         let prev_upstreams = UpstreamsDashMap::new();
-        loop {
-            let upstreams = UpstreamsDashMap::new();
 
-            if let Some(kuber) = config.kubernetes.clone() {
+        if let Some(kuber) = config.kubernetes.clone() {
-                let path = kuber.tokenpath.unwrap_or("/var/run/secrets/kubernetes.io/serviceaccount/token".to_string());
+            let servers = kuber.servers.unwrap_or(vec![format!(
-                let token = read_token(path.as_str()).await;
+                "{}:{}",
+                env::var("KUBERNETES_SERVICE_HOST").unwrap_or("0.0.0.0".to_string()),
+                env::var("KUBERNETES_SERVICE_PORT_HTTPS").unwrap_or("0".to_string())
+            )]);
 
-                let servers = kuber.servers.unwrap_or(vec![format!(
+            let end = servers.len().saturating_sub(1);
-                    "{}:{}",
+            let num = if end > 0 { rand::rng().random_range(0..end) } else { 0 };
-                    env::var("KUBERNETES_SERVICE_HOST").unwrap_or("0.0.0.0".to_string()),
+            let server = servers.get(num).unwrap().to_string();
-                    env::var("KUBERNETES_SERVICE_PORT_HTTPS").unwrap_or("0".to_string())
+            let path = kuber.tokenpath.unwrap_or("/var/run/secrets/kubernetes.io/serviceaccount/token".to_string());
-                )]);
+            let token = read_token(path.as_str()).await;
+            // let mut oldcrt: HashMap<String, String> = HashMap::new();
 
-                let end = servers.len().saturating_sub(1);
+            loop {
-                let num = if end > 0 { rand::rng().random_range(0..end) } else { 0 };
+                // crate::utils::watchksecret::watch_secret("ar-tls", "staging", server.clone(), token.clone(), &mut oldcrt).await;
-                let server = servers.get(num).unwrap().to_string();
+                let upstreams = UpstreamsDashMap::new();
-
+                if let Some(kuber) = config.kubernetes.clone() {
-                if let Some(svc) = kuber.services {
+                    if let Some(svc) = kuber.services {
-                    for i in svc {
+                        for i in svc {
-                        let header_list = DashMap::new();
+                            let header_list = DashMap::new();
-                        let mut hl = Vec::new();
+                            let mut hl = Vec::new();
-                        build_headers(&i.headers, config.as_ref(), &mut hl);
+                            build_headers(&i.client_headers, config.as_ref(), &mut hl);
-                        if !hl.is_empty() {
+                            if !hl.is_empty() {
-                            header_list.insert(i.path.clone().unwrap_or("/".to_string()), hl);
+                                header_list.insert(i.path.clone().unwrap_or("/".to_string()), hl);
-                            config.headers.insert(i.hostname.clone(), header_list);
+                                config.client_headers.insert(i.hostname.clone(), header_list);
+                            }
+                            let url = format!("https://{}/api/v1/namespaces/staging/endpoints/{}", server, i.hostname);
+                            let list = httpclient::for_kuber(&*url, &*token, &i).await;
+                            list_to_upstreams(list, &upstreams, &i);
                         }
-
+                    }
-                        let url = format!("https://{}/api/v1/namespaces/staging/endpoints/{}", server, i.hostname);
+                    if let Some(lt) = clone_compare(&upstreams, &prev_upstreams, &config).await {
-                        let list = httpclient::for_kuber(&*url, &*token, &i).await;
+                        toreturn.send(lt).await.unwrap();
-                        list_to_upstreams(list, &upstreams, &i);
                     }
                 }
-                if let Some(lt) = clone_compare(&upstreams, &prev_upstreams, &config).await {
+                sleep(Duration::from_secs(5)).await;
-                    toreturn.send(lt).await.unwrap();
-                }
             }
-            sleep(Duration::from_secs(5)).await;
         }
     }
 }
@@ -157,10 +159,10 @@ impl ServiceDiscovery for ConsulDiscovery {
                     for i in svc {
                         let header_list = DashMap::new();
                         let mut hl = Vec::new();
-                        build_headers(&i.headers, config.as_ref(), &mut hl);
+                        build_headers(&i.client_headers, config.as_ref(), &mut hl);
                         if !hl.is_empty() {
                             header_list.insert(i.path.clone().unwrap_or("/".to_string()), hl);
-                            config.headers.insert(i.hostname.clone(), header_list);
+                            config.client_headers.insert(i.hostname.clone(), header_list);
                         }
 
                         let pref = ss.clone() + &i.upstream;
@@ -180,7 +182,8 @@ async fn clone_compare(upstreams: &UpstreamsDashMap, prev_upstreams: &UpstreamsD
     if !compare_dashmaps(&upstreams, &prev_upstreams) {
         let tosend: Configuration = Configuration {
             upstreams: Default::default(),
-            headers: config.headers.clone(),
+            client_headers: config.client_headers.clone(),
+            server_headers: config.server_headers.clone(),
             consul: config.consul.clone(),
             kubernetes: config.kubernetes.clone(),
             typecfg: config.typecfg.clone(),

src/utils/parceyaml.rs

@@ -67,18 +67,33 @@ pub async fn load_configuration(d: &str, kind: &str) -> Option<Configuration> {
 }
 
 async fn populate_headers_and_auth(config: &mut Configuration, parsed: &Config) {
-    if let Some(headers) = &parsed.headers {
+    let mut ch = Vec::new();
-        let mut hl = Vec::new();
+    ch.push(("Server".to_string(), "Aralez".to_string()));
+    // println!("{:?}", &parsed.client_headers);
+    if let Some(headers) = &parsed.client_headers {
         for header in headers {
             if let Some((key, val)) = header.split_once(':') {
-                hl.push((key.trim().to_string(), val.trim().to_string()));
+                println!("{}:{}", key.trim().to_string(), val.trim().to_string());
+                ch.push((key.trim().to_string(), val.trim().to_string()));
             }
         }
-
-        let global_headers = DashMap::new();
-        global_headers.insert("/".to_string(), hl);
-        config.headers.insert("GLOBAL_HEADERS".to_string(), global_headers);
     }
+    let global_headers = DashMap::new();
+    global_headers.insert("/".to_string(), ch);
+    config.client_headers.insert("GLOBAL_CLIENT_HEADERS".to_string(), global_headers);
+
+    let mut sh = Vec::new();
+    sh.push(("X-Proxy-Server".to_string(), "Aralez".to_string()));
+    if let Some(headers) = &parsed.server_headers {
+        for header in headers {
+            if let Some((key, val)) = header.split_once(':') {
+                sh.push((key.trim().to_string(), val.trim().to_string()));
+            }
+        }
+    }
+    let server_global_headers = DashMap::new();
+    server_global_headers.insert("/".to_string(), sh);
+    config.server_headers.insert("GLOBAL_SERVER_HEADERS".to_string(), server_global_headers);
 
     config.extraparams.sticky_sessions = parsed.sticky_sessions;
     config.extraparams.to_https = parsed.to_https;
@@ -102,15 +117,19 @@ async fn populate_file_upstreams(config: &mut Configuration, parsed: &Config) {
     if let Some(upstreams) = &parsed.upstreams {
         for (hostname, host_config) in upstreams {
             let path_map = DashMap::new();
-            let header_list = DashMap::new();
+            let client_header_list = DashMap::new();
+            let server_header_list = DashMap::new();
             for (path, path_config) in &host_config.paths {
                 if let Some(rate) = &path_config.rate_limit {
                     info!("Applied Rate Limit for {} : {} request per second", hostname, rate);
                 }
 
                 let mut hl: Vec<(String, String)> = Vec::new();
-                build_headers(&path_config.headers, config, &mut hl);
+                let mut sl: Vec<(String, String)> = Vec::new();
-                header_list.insert(path.clone(), hl);
+                build_headers(&path_config.client_headers, config, &mut hl);
+                build_headers(&path_config.server_headers, config, &mut sl);
+                client_header_list.insert(path.clone(), hl);
+                server_header_list.insert(path.clone(), sl);
 
                 let mut server_list = Vec::new();
                 for server in &path_config.servers {
@@ -130,7 +149,8 @@ async fn populate_file_upstreams(config: &mut Configuration, parsed: &Config) {
                 }
                 path_map.insert(path.clone(), (server_list, AtomicUsize::new(0)));
             }
-            config.headers.insert(hostname.clone(), header_list);
+            config.client_headers.insert(hostname.clone(), client_header_list);
+            config.server_headers.insert(hostname.clone(), server_header_list);
             imtdashmap.insert(hostname.clone(), path_map);
         }
 
@@ -218,19 +238,19 @@ fn log_builder(conf: &AppConfig) {
     env_logger::builder().init();
 }
 
-pub fn build_headers(path_config: &Option<Vec<String>>, config: &Configuration, hl: &mut Vec<(String, String)>) {
+pub fn build_headers(path_config: &Option<Vec<String>>, _config: &Configuration, hl: &mut Vec<(String, String)>) {
     if let Some(headers) = &path_config {
         for header in headers {
             if let Some((key, val)) = header.split_once(':') {
                 hl.push((key.trim().to_string(), val.trim().to_string()));
             }
         }
-        if let Some(push) = config.headers.get("GLOBAL_HEADERS") {
+        // if let Some(push) = config.client_headers.get("GLOBAL_HEADERS") {
-            for k in push.iter() {
+        //     for k in push.iter() {
-                for x in k.value() {
+        //         for x in k.value() {
-                    hl.push(x.to_owned());
+        //             hl.push(x.to_owned());
-                }
+        //         }
-            }
+        //     }
-        }
+        // }
     }
 }

src/utils/structs.rs

@@ -15,7 +15,8 @@ pub struct ServiceMapping {
     pub path: Option<String>,
     pub to_https: Option<bool>,
     pub rate_limit: Option<isize>,
-    pub headers: Option<Vec<String>>,
+    pub client_headers: Option<Vec<String>>,
+    pub server_headers: Option<Vec<String>>,
 }
 
 // pub type Services = DashMap<String, Vec<(String, Option<String>)>>;
@@ -50,7 +51,9 @@ pub struct Config {
     #[serde(default)]
     pub globals: Option<HashMap<String, Vec<String>>>,
     #[serde(default)]
-    pub headers: Option<Vec<String>>,
+    pub client_headers: Option<Vec<String>>,
+    #[serde(default)]
+    pub server_headers: Option<Vec<String>>,
     #[serde(default)]
     pub authorization: Option<HashMap<String, String>>,
     #[serde(default)]
@@ -71,14 +74,16 @@ pub struct HostConfig {
 pub struct PathConfig {
     pub servers: Vec<String>,
     pub to_https: Option<bool>,
-    pub headers: Option<Vec<String>>,
+    pub client_headers: Option<Vec<String>>,
+    pub server_headers: Option<Vec<String>>,
     pub rate_limit: Option<isize>,
     pub healthcheck: Option<bool>,
 }
 #[derive(Debug, Default)]
 pub struct Configuration {
     pub upstreams: UpstreamsDashMap,
-    pub headers: Headers,
+    pub client_headers: Headers,
+    pub server_headers: Headers,
     pub consul: Option<Consul>,
     pub kubernetes: Option<Kubernetes>,
     pub typecfg: String,

src/web/bgservice.rs

@@ -85,22 +85,38 @@ impl BackgroundService for LB {
                             new.authentication = ss.extraparams.authentication.clone();
                             new.rate_limit = ss.extraparams.rate_limit;
                             self.extraparams.store(Arc::new(new));
-                            self.headers.clear();
+                            self.client_headers.clear();
+                            self.server_headers.clear();
 
                             for entry in ss.upstreams.iter() {
                                 let global_key = entry.key().clone();
-                                let global_values = DashMap::new();
+                                let client_global_values = DashMap::new();
-                                let mut target_entry = ss.headers.entry(global_key).or_insert_with(DashMap::new);
+                                let server_global_values = DashMap::new();
-                                target_entry.extend(global_values);
+
-                                self.headers.insert(target_entry.key().to_owned(), target_entry.value().to_owned());
+                                let mut client_target_entry = ss.client_headers.entry(global_key.clone()).or_insert_with(DashMap::new);
+                                client_target_entry.extend(client_global_values);
+                                let mut server_target_entry = ss.server_headers.entry(global_key).or_insert_with(DashMap::new);
+                                server_target_entry.extend(server_global_values);
+                                self.server_headers.insert(server_target_entry.key().to_owned(), server_target_entry.value().to_owned());
                             }
 
-                            for path in ss.headers.iter() {
+                            for path in ss.client_headers.iter() {
                                 let path_key = path.key().clone();
                                 let path_headers = path.value().clone();
-                                self.headers.insert(path_key.clone(), path_headers);
+                                self.client_headers.insert(path_key.clone(), path_headers);
-                                if let Some(global_headers) = ss.headers.get("GLOBAL_HEADERS") {
+                                if let Some(global_headers) = ss.client_headers.get("GLOBAL_CLIENT_HEADERS") {
-                                    if let Some(existing_headers) = self.headers.get_mut(&path_key) {
+                                    if let Some(existing_headers) = self.client_headers.get_mut(&path_key) {
+                                        merge_headers(&existing_headers, &global_headers);
+                                    }
+                                }
+                            }
+
+                            for path in ss.server_headers.iter() {
+                                let path_key = path.key().clone();
+                                let path_headers = path.value().clone();
+                                self.server_headers.insert(path_key.clone(), path_headers);
+                                if let Some(global_headers) = ss.server_headers.get("GLOBAL_SERVER_HEADERS") {
+                                    if let Some(existing_headers) = self.server_headers.get_mut(&path_key) {
                                         merge_headers(&existing_headers, &global_headers);
                                     }
                                 }

src/web/gethosts.rs

@@ -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)?;
+    fn get_header(&self, peer: &str, path: &str) -> Option<GetHostsReturHeaders> {
-        let mut current_path = path.to_string();
+        let client_entry = self.client_headers.get(peer)?;
-        let mut best_match: Option<Vec<(String, String)>> = None;
+        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() {
+        current_path = path;
-            if let Some(entry) = host_entry.get("/") {
+        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)
     }
 }

src/web/proxyhttp.rs

@@ -25,7 +25,8 @@ pub struct LB {
     pub ump_upst: Arc<UpstreamsDashMap>,
     pub ump_full: Arc<UpstreamsDashMap>,
     pub ump_byid: Arc<UpstreamsIdMap>,
-    pub headers: Arc<Headers>,
+    pub client_headers: Arc<Headers>,
+    pub server_headers: Arc<Headers>,
     pub config: Arc<AppConfig>,
     pub extraparams: Arc<ArcSwap<Extraparams>>,
 }
@@ -180,13 +181,22 @@ impl ProxyHttp for LB {
         }
     }
 
-    async fn upstream_request_filter(&self, _session: &mut Session, upstream_request: &mut RequestHeader, ctx: &mut Self::CTX) -> Result<()> {
+    async fn upstream_request_filter(&self, session: &mut Session, upstream_request: &mut RequestHeader, ctx: &mut Self::CTX) -> Result<()> {
         if let Some(hostname) = ctx.hostname.as_ref() {
             upstream_request.insert_header("Host", hostname)?;
         }
         if let Some(peer) = ctx.upstream_peer.as_ref() {
             upstream_request.insert_header("X-Forwarded-For", peer.address.as_str())?;
         }
+
+        if let Some(headers) = self.get_header(ctx.hostname.as_ref().unwrap_or(&"localhost".to_string()), session.req_header().uri.path()) {
+            if let Some(client_headers) = headers.server_headers {
+                for k in client_headers {
+                    upstream_request.insert_header(k.0, k.1)?;
+                }
+            }
+        }
+
         Ok(())
     }
 
@@ -213,27 +223,46 @@ impl ProxyHttp for LB {
         match ctx.hostname.as_ref() {
             Some(host) => {
                 let path = session.req_header().uri.path();
-                let host_header = host;
+                let split_header = host.split_once(':');
-                let split_header = host_header.split_once(':');
-
                 match split_header {
-                    Some(sh) => {
+                    Some((host, _port)) => {
-                        let yoyo = self.get_header(sh.0, path);
+                        if let Some(headers) = self.get_header(host, path) {
-                        for k in yoyo.iter() {
+                            if let Some(server_headers) = headers.client_headers {
-                            for t in k.iter() {
+                                for k in server_headers {
-                                _upstream_response.insert_header(t.0.clone(), t.1.clone()).unwrap();
+                                    _upstream_response.insert_header(k.0, k.1).unwrap();
+                                }
                             }
                         }
                     }
                     None => {
-                        let yoyo = self.get_header(host_header, path);
+                        if let Some(headers) = self.get_header(host, path) {
-                        for k in yoyo.iter() {
+                            if let Some(server_headers) = headers.client_headers {
-                            for t in k.iter() {
+                                for k in server_headers {
-                                _upstream_response.insert_header(t.0.clone(), t.1.clone()).unwrap();
+                                    _upstream_response.insert_header(k.0, k.1).unwrap();
+                                }
                             }
                         }
                     }
                 }
+
+                // match split_header {
+                //     Some(sh) => {
+                //         let client_header = self.get_header(sh.0, path);
+                //         for k in client_header.iter() {
+                //             for t in k.iter() {
+                //                 _upstream_response.insert_header(t.0.clone(), t.1.clone()).unwrap();
+                //             }
+                //         }
+                //     }
+                //     None => {
+                //         let client_header = self.get_header(host_header, path);
+                //         for k in client_header.iter() {
+                //             for t in k.iter() {
+                //                 _upstream_response.insert_header(t.0.clone(), t.1.clone()).unwrap();
+                //             }
+                //         }
+                //     }
+                // }
             }
             None => {}
         }

src/web/start.rs

@@ -27,7 +27,8 @@ pub fn run() {
     let uf_config = Arc::new(DashMap::new());
     let ff_config = Arc::new(DashMap::new());
     let im_config = Arc::new(DashMap::new());
-    let hh_config = Arc::new(DashMap::new());
+    let ch_config = Arc::new(DashMap::new());
+    let sh_config = Arc::new(DashMap::new());
 
     let ec_config = Arc::new(ArcSwap::from_pointee(Extraparams {
         sticky_sessions: false,
@@ -43,7 +44,8 @@ pub fn run() {
         ump_full: ff_config,
         ump_byid: im_config,
         config: cfg.clone(),
-        headers: hh_config,
+        client_headers: ch_config,
+        server_headers: sh_config,
         extraparams: ec_config,
     };