Changes in authentication

Cargo.toml

@@ -11,7 +11,7 @@ panic = "abort"
 strip = true
 
 [dependencies]
-tokio = { version = "1.49.0", features = ["full"] }
+tokio = { version = "1.51.1", features = ["full"] }
 pingora = { version = "0.8.0", features = ["lb", "openssl"] } # openssl, rustls, boringssl
 serde = { version = "1.0.228", features = ["derive"] }
 dashmap = "7.0.0-rc2"
@@ -20,34 +20,27 @@ pingora-proxy = "0.8.0"
 pingora-http = "0.8.0"
 pingora-limits = "0.8.0"
 async-trait = "0.1.89"
-env_logger = "0.11.9"
+env_logger = "0.11.10"
 log = "0.4.29"
 futures = "0.3.32"
 notify = "9.0.0-rc.2"
 axum = { version = "0.8.8" }
-#axum-server = { version = "0.8.0" }
 reqwest = { version = "0.13.2", features = ["json", "stream"] }
-serde_yaml = "0.9.34-deprecated"
+serde_yml = "0.0.12"
 rand = "0.10.0"
 base64 = "0.22.1"
-#jsonwebtoken = { version = "10.3.0", features = ["aws_lc_rs"] }
-#jsonwebtoken = { version = "10.3.0", default-features = false, features = ["use_pem"] }
 jsonwebtoken = { version = "10.3.0", default-features = false, features = ["use_pem", "rust_crypto"] }
 tonic = "0.14.5"
 sha2 = { version = "0.11.0-rc.5", default-features = false }
 base16ct = { version = "1.0.0", features = ["alloc"] }
 urlencoding = "2.1.3"
-arc-swap = "1.8.2"
+arc-swap = "1.9.1"
 mimalloc = { version = "0.1.48", default-features = false }
 prometheus = "0.14.0"
-lazy_static = "1.5.0"
 x509-parser = "0.18.1"
 rustls-pemfile = "2.2.0"
 tower-http = { version = "0.6.8", features = ["fs"] }
-once_cell = "1.21.3"
 privdrop = "0.5.6"
 ctrlc = "3.5.2"
-port_check = "0.3.0"
 serde_json = "1.0.149"
-http = "1.4.0"
-itoa = "1.0.14"
+subtle = "2.6.1"

README.md

@@ -122,13 +122,15 @@ Make the binary executable `chmod 755 ./aralez-VERSION` and run.
 
 File names:
 
-| File Name                 | Description                                                              |
-|---------------------------|--------------------------------------------------------------------------|
-| `aralez-x86_64-musl.gz`   | Static Linux x86_64 binary, without any system dependency                |
-| `aralez-x86_64-glibc.gz`  | Dynamic Linux x86_64 binary, with minimal system dependencies            |
-| `aralez-aarch64-musl.gz`  | Static Linux ARM64 binary, without any system dependency                 |
-| `aralez-aarch64-glibc.gz` | Dynamic Linux ARM64 binary, with minimal system dependencies             |
-| `sadoyan/aralez`          | Docker image on Debian 13 slim (https://hub.docker.com/r/sadoyan/aralez) |
+| File Name                       | Description                                                              |
+|---------------------------------|--------------------------------------------------------------------------|
+| `aralez-x86_64-musl.gz`         | Static Linux x86_64 binary, without any system dependency                |
+| `aralez-x86_64-glibc.gz`        | Dynamic Linux x86_64 binary, with minimal system dependencies            |
+| `aralez-x86_64-compat-musl.gz`  | Static Linux x86_64 binary, compatible with old pre Haswell CPUs         |
+| `aralez-x86_64-compat-glibc.gz` | Dynamic Linux x86_64 binary, compatible with old pre Haswell CPUs        |
+| `aralez-aarch64-musl.gz`        | Static Linux ARM64 binary, without any system dependency                 |
+| `aralez-aarch64-glibc.gz`       | Dynamic Linux ARM64 binary, with minimal system dependencies             |
+| `sadoyan/aralez`                | Docker image on Debian 13 slim (https://hub.docker.com/r/sadoyan/aralez) |
 
 **Via docker**
 

src/utils/auth.rs

@@ -4,6 +4,7 @@ use base64::Engine;
 use pingora_proxy::Session;
 use std::collections::HashMap;
 use std::sync::Arc;
+use subtle::ConstantTimeEq;
 use urlencoding::decode;
 
 trait AuthValidator {
@@ -16,10 +17,14 @@ struct JwtAuth<'a>(&'a str);
 impl AuthValidator for BasicAuth<'_> {
     fn validate(&self, session: &Session) -> bool {
         if let Some(header) = session.get_header("authorization") {
-            if let Some((_, val)) = header.to_str().ok().unwrap().split_once(' ') {
-                let decoded = STANDARD.decode(val).ok().unwrap();
-                let decoded_str = String::from_utf8(decoded).ok().unwrap();
-                return decoded_str == self.0;
+            if let Some(h) = header.to_str().ok() {
+                if let Some((_, val)) = h.split_once(' ') {
+                    if let Some(decoded) = STANDARD.decode(val).ok() {
+                        if decoded.as_slice().ct_eq(self.0.as_bytes()).into() {
+                            return true;
+                        }
+                    }
+                }
             }
         }
         false
@@ -29,7 +34,9 @@ impl AuthValidator for BasicAuth<'_> {
 impl AuthValidator for ApiKeyAuth<'_> {
     fn validate(&self, session: &Session) -> bool {
         if let Some(header) = session.get_header("x-api-key") {
-            return header.to_str().ok().unwrap() == self.0;
+            if let Some(h) = header.to_str().ok() {
+                return h.as_bytes().ct_eq(self.0.as_bytes()).into();
+            }
         }
         false
     }
@@ -53,27 +60,14 @@ impl AuthValidator for JwtAuth<'_> {
         false
     }
 }
-fn validate(auth: &dyn AuthValidator, session: &Session) -> bool {
-    auth.validate(session)
-}
 
-// pub fn authenticate(c: &[Arc<str>], session: &Session) -> bool {
 pub fn authenticate(auth_type: &Arc<str>, credentials: &Arc<str>, session: &Session) -> bool {
-    match &*auth_type.clone() {
-        "basic" => {
-            let auth = BasicAuth(&*credentials.clone());
-            validate(&auth, session)
-        }
-        "apikey" => {
-            let auth = ApiKeyAuth(&*credentials.clone());
-            validate(&auth, session)
-        }
-        "jwt" => {
-            let auth = JwtAuth(&*credentials.clone());
-            validate(&auth, session)
-        }
+    match &**auth_type {
+        "basic" => BasicAuth(credentials).validate(session),
+        "apikey" => ApiKeyAuth(credentials).validate(session),
+        "jwt" => JwtAuth(credentials).validate(session),
         _ => {
-            println!("Unsupported authentication mechanism : {}", auth_type);
+            log::warn!("Unsupported authentication mechanism : {}", auth_type);
             false
         }
     }
@@ -91,6 +85,5 @@ pub fn get_query_param(session: &Session, key: &str) -> Option<String> {
             Some((k, v))
         })
         .collect();
-
-    params.get(key).map(|v| decode(v).ok()).flatten().map(|s| s.to_string())
+    params.get(key).and_then(|v| decode(v).ok()).map(|s| s.to_string())
 }

src/utils/healthcheck.rs

@@ -119,18 +119,11 @@ async fn http_request(url: &str, method: &str, payload: &str, client: &Client) -
 }
 
 pub async fn ping_grpc(addr: &str) -> bool {
-    let endpoint_result = Endpoint::from_shared(addr.to_owned());
-
-    if let Ok(endpoint) = endpoint_result {
-        let endpoint = endpoint.timeout(Duration::from_secs(2));
-
-        match tokio::time::timeout(Duration::from_secs(3), endpoint.connect()).await {
-            Ok(Ok(_channel)) => true,
-            _ => false,
-        }
-    } else {
-        false
-    }
+    let endpoint = match Endpoint::from_shared(addr.to_owned()) {
+        Ok(e) => e.timeout(Duration::from_secs(2)),
+        Err(_) => return false,
+    };
+    tokio::time::timeout(Duration::from_secs(3), endpoint.connect()).await.ok().and_then(Result::ok).is_some()
 }
 
 async fn detect_tls(ip: &str, port: &u16, client: &Client) -> (bool, Option<Version>) {

src/utils/metrics.rs

@@ -1,5 +1,5 @@
-use http::method::Method;
-use http::StatusCode;
+use pingora_http::Method;
+use pingora_http::StatusCode;
 use pingora_http::Version;
 use prometheus::{register_histogram, register_int_counter, register_int_counter_vec, Histogram, IntCounter, IntCounterVec};
 use std::sync::Arc;
@@ -12,46 +12,40 @@ pub struct MetricTypes {
     pub latency: Duration,
     pub version: Version,
 }
-lazy_static::lazy_static! {
-    pub static ref REQUEST_COUNT: IntCounter = register_int_counter!(
-        "aralez_requests_total",
-        "Total number of requests handled by Aralez"
-    ).unwrap();
-      pub static ref RESPONSE_CODES: IntCounterVec = register_int_counter_vec!(
-        "aralez_responses_total",
-        "Responses grouped by status code",
-        &["status"]
-    ).unwrap();
-    pub static ref REQUEST_LATENCY:  Histogram = register_histogram!(
+
+use std::sync::LazyLock;
+
+pub static REQUEST_COUNT: LazyLock<IntCounter> = LazyLock::new(|| register_int_counter!("aralez_requests_total", "Total number of requests handled by Aralez").unwrap());
+
+pub static RESPONSE_CODES: LazyLock<IntCounterVec> =
+    LazyLock::new(|| register_int_counter_vec!("aralez_responses_total", "Responses grouped by status code", &["status"]).unwrap());
+
+pub static REQUEST_LATENCY: LazyLock<Histogram> = LazyLock::new(|| {
+    register_histogram!(
         "aralez_request_latency_seconds",
         "Request latency in seconds",
         vec![0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1.0, 2.5, 5.0]
-    ).unwrap();
-    pub static ref RESPONSE_LATENCY: Histogram = register_histogram!(
+    )
+    .unwrap()
+});
+
+pub static RESPONSE_LATENCY: LazyLock<Histogram> = LazyLock::new(|| {
+    register_histogram!(
         "aralez_response_latency_seconds",
         "Response latency in seconds",
         vec![0.01, 0.05, 0.1, 0.25, 0.5, 1.0, 2.0, 5.0]
-    ).unwrap();
-    pub static ref REQUESTS_BY_METHOD: IntCounterVec = register_int_counter_vec!(
-        "aralez_requests_by_method_total",
-        "Number of requests by HTTP method",
-        &["method"]
-    ).unwrap();
-    pub static ref REQUESTS_BY_UPSTREAM: IntCounterVec = register_int_counter_vec!(
-        "aralez_requests_by_upstream",
-        "Number of requests by UPSTREAM server",
-        &["upstream"]
-    ).unwrap();
-    pub static ref REQUESTS_BY_VERSION: IntCounterVec = register_int_counter_vec!(
-        "aralez_requests_by_version_total",
-        "Number of requests by HTTP versions",
-        &["version"]
-    ).unwrap();
-    pub static ref ERROR_COUNT: IntCounter = register_int_counter!(
-        "aralez_errors_total",
-        "Total number of errors"
-    ).unwrap();
-}
+    )
+    .unwrap()
+});
+
+pub static REQUESTS_BY_METHOD: LazyLock<IntCounterVec> =
+    LazyLock::new(|| register_int_counter_vec!("aralez_requests_by_method_total", "Number of requests by HTTP method", &["method"]).unwrap());
+
+pub static REQUESTS_BY_UPSTREAM: LazyLock<IntCounterVec> =
+    LazyLock::new(|| register_int_counter_vec!("aralez_requests_by_upstream", "Number of requests by UPSTREAM server", &["upstream"]).unwrap());
+
+pub static REQUESTS_BY_VERSION: LazyLock<IntCounterVec> =
+    LazyLock::new(|| register_int_counter_vec!("aralez_requests_by_version_total", "Number of requests by HTTP versions", &["version"]).unwrap());
 
 pub fn calc_metrics(metric_types: &MetricTypes) {
     REQUEST_COUNT.inc();
@@ -66,7 +60,7 @@ pub fn calc_metrics(metric_types: &MetricTypes) {
         _ => "Unknown",
     };
     REQUESTS_BY_VERSION.with_label_values(&[&version_str]).inc();
-    RESPONSE_CODES.with_label_values(&[metric_types.code.unwrap_or(http::StatusCode::GONE).as_str()]).inc();
+    RESPONSE_CODES.with_label_values(&[metric_types.code.unwrap_or(StatusCode::GONE).as_str()]).inc();
     REQUESTS_BY_METHOD.with_label_values(&[&metric_types.method]).inc();
     REQUESTS_BY_UPSTREAM.with_label_values(&[metric_types.upstream.as_ref()]).inc();
     RESPONSE_LATENCY.observe(metric_types.latency.as_secs_f64());

src/utils/parceyaml.rs

@@ -57,7 +57,7 @@ pub async fn load_configuration(d: &str, kind: &str) -> (Option<Configuration>,
         }
     };
 
-    let mut parsed: Config = match serde_yaml::from_str(&yaml_data) {
+    let mut parsed: Config = match serde_yml::from_str(&yaml_data) {
         Ok(cfg) => cfg,
         Err(e) => {
             error!("Failed to parse upstreams file: {}", e);
@@ -67,7 +67,7 @@ pub async fn load_configuration(d: &str, kind: &str) -> (Option<Configuration>,
 
     if let Some(ref mut upstreams) = parsed.upstreams {
         for uconf in conf_files {
-            let p: HashMap<String, HostConfig> = match serde_yaml::from_str(&uconf) {
+            let p: HashMap<String, HostConfig> = match serde_yml::from_str(&uconf) {
                 Ok(ucfg) => ucfg,
                 Err(e) => {
                     error!("Failed to parse upstreams file: {}", e);
@@ -176,7 +176,7 @@ async fn populate_file_upstreams(config: &mut Configuration, parsed: &Config) {
                             server_list.push(Arc::from(InnerMap {
                                 address: Arc::from(ip),
                                 port,
-                                is_ssl: true,
+                                is_ssl: false,
                                 is_http2: false,
                                 to_https: path_config.to_https.unwrap_or(false),
                                 rate_limit: path_config.rate_limit,
@@ -209,8 +209,8 @@ async fn populate_file_upstreams(config: &mut Configuration, parsed: &Config) {
 pub fn parce_main_config(path: &str) -> AppConfig {
     let data = fs::read_to_string(path).unwrap();
     let reply = DashMap::new();
-    let cfg: HashMap<String, String> = serde_yaml::from_str(&*data).expect("Failed to parse main config file");
-    let mut cfo: AppConfig = serde_yaml::from_str(&*data).expect("Failed to parse main config file");
+    let cfg: HashMap<String, String> = serde_yml::from_str(&*data).expect("Failed to parse main config file");
+    let mut cfo: AppConfig = serde_yml::from_str(&*data).expect("Failed to parse main config file");
     log_builder(&cfo);
     cfo.hc_method = cfo.hc_method.to_uppercase();
     for (k, v) in cfg {
@@ -265,7 +265,7 @@ fn parce_tls_grades(what: Option<String>) -> Option<String> {
         },
         None => {
             warn!("TLS grade not set, defaulting to: medium");
-            Some("b".to_string())
+            Some("medium".to_string())
         }
     }
 }

src/utils/state.rs

@@ -1,12 +1,11 @@
-use once_cell::sync::Lazy;
-use std::sync::RwLock;
+use std::sync::{LazyLock, RwLock};
 
 #[derive(Debug)]
 pub struct SharedState {
     pub first_run: bool,
 }
 
-pub static GLOBAL_STATE: Lazy<RwLock<SharedState>> = Lazy::new(|| RwLock::new(SharedState { first_run: true }));
+pub static GLOBAL_STATE: LazyLock<RwLock<SharedState>> = LazyLock::new(|| RwLock::new(SharedState { first_run: true }));
 
 pub fn mark_not_first_run() {
     let mut state = GLOBAL_STATE.write().unwrap();

src/utils/tools.rs

@@ -4,7 +4,6 @@ use crate::utils::tls::CertificateConfig;
 use dashmap::DashMap;
 use log::{error, info};
 use notify::{event::ModifyKind, Config, EventKind, RecommendedWatcher, RecursiveMode, Watcher};
-use port_check::is_port_reachable;
 use privdrop::PrivDrop;
 use serde_json::{json, Value};
 use sha2::{Digest, Sha256};
@@ -12,6 +11,7 @@ use std::any::type_name;
 use std::collections::{HashMap, HashSet};
 use std::fmt::Write;
 use std::net::SocketAddr;
+use std::net::TcpListener;
 use std::os::unix::fs::MetadataExt;
 use std::str::FromStr;
 use std::sync::atomic::{AtomicUsize, Ordering};
@@ -227,13 +227,13 @@ pub fn listdir(dir: String) -> Vec<tls::CertificateConfig> {
             certificate_configs.push(y);
         }
     }
-    for (_, v) in f.iter() {
-        let y = CertificateConfig {
-            cert_path: v[0].clone(),
-            key_path: v[1].clone(),
-        };
-        certificate_configs.push(y);
-    }
+    // for (_, v) in f.iter() {
+    //     let y = CertificateConfig {
+    //         cert_path: v[0].clone(),
+    //         key_path: v[1].clone(),
+    //     };
+    //     certificate_configs.push(y);
+    // }
     certificate_configs
 }
 
@@ -268,14 +268,14 @@ pub fn drop_priv(user: String, group: String, http_addr: String, tls_addr: Optio
     thread::sleep(time::Duration::from_millis(10));
     loop {
         thread::sleep(time::Duration::from_millis(10));
-        if is_port_reachable(http_addr.clone()) {
+        if port_is_available(http_addr.clone()) {
             break;
         }
     }
     if let Some(tls_addr) = tls_addr {
         loop {
             thread::sleep(time::Duration::from_millis(10));
-            if is_port_reachable(tls_addr.clone()) {
+            if port_is_available(tls_addr.clone()) {
                 break;
             }
         }
@@ -287,6 +287,13 @@ pub fn drop_priv(user: String, group: String, http_addr: String, tls_addr: Optio
     }
 }
 
+fn port_is_available(addr: String) -> bool {
+    match TcpListener::bind(addr) {
+        Ok(_) => false,
+        Err(_) => true,
+    }
+}
+
 pub fn check_priv(addr: &str) {
     let port = SocketAddr::from_str(addr).map(|sa| sa.port()).unwrap();
     match port < 1024 {

src/web/proxyhttp.rs

@@ -1,16 +1,12 @@
 use crate::utils::auth::authenticate;
 use crate::utils::metrics::*;
 use crate::utils::structs::{AppConfig, Extraparams, Headers, InnerMap, UpstreamsDashMap, UpstreamsIdMap};
-// use std::collections::BTreeMap;
 use crate::web::gethosts::{GetHost, GetHostsReturHeaders};
 use arc_swap::ArcSwap;
 use async_trait::async_trait;
 use axum::body::Bytes;
 use dashmap::DashMap;
-// use x509_parser::asn1_rs::ToDer;
-use itoa::Buffer;
 use log::{debug, error, warn};
-use once_cell::sync::Lazy;
 use pingora::http::{RequestHeader, ResponseHeader, StatusCode};
 use pingora::prelude::*;
 use pingora::ErrorSource::Upstream;
@@ -19,16 +15,19 @@ use pingora_core::prelude::HttpPeer;
 // use pingora_core::protocols::TcpKeepalive;
 use pingora_limits::rate::Rate;
 use pingora_proxy::{ProxyHttp, Session};
+// use prometheus::{register_int_counter, IntCounter};
 use sha2::{Digest, Sha256};
 use std::cell::RefCell;
 use std::fmt::Write;
-use std::sync::Arc;
+use std::sync::{Arc, LazyLock};
 use std::time::Duration;
 use tokio::time::Instant;
 
-static RATE_LIMITER: Lazy<Rate> = Lazy::new(|| Rate::new(Duration::from_secs(1)));
-static REVERSE_STORE: Lazy<DashMap<String, String>> = Lazy::new(|| DashMap::new());
+// static RATE_LIMITER: Lazy<Rate> = Lazy::new(|| Rate::new(Duration::from_secs(1)));
+// static REVERSE_STORE: Lazy<DashMap<String, String>> = Lazy::new(|| DashMap::new());
+static REVERSE_STORE: LazyLock<DashMap<String, String>> = LazyLock::new(|| DashMap::new());
 thread_local! {static IP_BUFFER: RefCell<String> = RefCell::new(String::with_capacity(50));}
+pub static RATE_LIMITER: LazyLock<Rate> = LazyLock::new(|| Rate::new(Duration::from_secs(1)));
 
 #[derive(Clone)]
 pub struct LB {
@@ -71,7 +70,6 @@ impl ProxyHttp for LB {
         let hostname = return_header_host_from_upstream(session, &self.ump_upst);
         _ctx.hostname = hostname;
         let mut backend_id = None;
-
         if _ctx.extraparams.sticky_sessions {
             if let Some(cookies) = session.req_header().headers.get("cookie") {
                 if let Ok(cookie_str) = cookies.to_str() {
@@ -102,12 +100,7 @@ impl ProxyHttp for LB {
                             let rate_key = session.client_addr().and_then(|addr| addr.as_inet()).map(|inet| inet.ip());
                             let curr_window_requests = RATE_LIMITER.observe(&rate_key, 1);
                             if curr_window_requests > rate {
-                                let mut buf = Buffer::new();
-                                let rate_str = buf.format(rate);
-                                let mut header = ResponseHeader::build(429, None)?;
-                                header.insert_header("X-Rate-Limit-Limit", rate_str)?;
-                                header.insert_header("X-Rate-Limit-Remaining", "0")?;
-                                header.insert_header("X-Rate-Limit-Reset", "1")?;
+                                let header = ResponseHeader::build(429, None)?;
                                 session.set_keepalive(None);
                                 session.write_response_header(Box::new(header), true).await?;
                                 debug!("Rate limited: {:?}, {}", rate_key, rate);
@@ -245,7 +238,7 @@ impl ProxyHttp for LB {
                 let mut buf = buffer.borrow_mut();
                 buf.clear();
                 write!(buf, "{}", client_ip).unwrap_or(());
-                upstream_request.append_header("X-Forward-For", buf.as_str()).unwrap_or(false);
+                upstream_request.append_header("X-Forwarded-For", buf.as_str()).unwrap_or(false);
             });
         }
 

src/web/webserver.rs

@@ -3,7 +3,7 @@ use crate::utils::structs::{Config, Configuration, UpstreamsDashMap};
 use crate::utils::tools::{upstreams_liveness_json, upstreams_to_json};
 use axum::body::Body;
 use axum::extract::{Query, State};
-use axum::http::{Response, StatusCode};
+use axum::http::{header::HeaderMap, Response, StatusCode};
 use axum::response::IntoResponse;
 use axum::routing::{get, post};
 use axum::{Json, Router};
@@ -18,6 +18,7 @@ use std::collections::HashMap;
 // use std::net::SocketAddr;
 use std::sync::Arc;
 use std::time::{Duration, SystemTime, UNIX_EPOCH};
+use subtle::ConstantTimeEq;
 use tokio::net::TcpListener;
 use tower_http::services::ServeDir;
 
@@ -88,23 +89,18 @@ pub async fn run_server(config: &APIUpstreamProvider, mut to_return: Sender<Conf
     axum::serve(listener, app).await.unwrap();
 }
 
-async fn conf(State(st): State<AppState>, Query(params): Query<HashMap<String, String>>, content: String) -> impl IntoResponse {
+async fn conf(State(st): State<AppState>, Query(params): Query<HashMap<String, String>>, headers: HeaderMap, content: String) -> impl IntoResponse {
     if !st.config_api_enabled {
         return Response::builder().status(StatusCode::FORBIDDEN).body(Body::from("Config API is disabled !\n")).unwrap();
     }
-    if let Some(s) = params.get("key") {
-        if s.to_owned() == st.master_key {
+    if let Some(s) = headers.get("x-api-key").and_then(|v| v.to_str().ok()).or(params.get("key").map(|s| s.as_str())) {
+        if s.as_bytes().ct_eq(st.master_key.as_bytes()).into() {
             let strcontent = content.as_str();
-            let parsed = serde_yaml::from_str::<Config>(strcontent);
+            let parsed = serde_yml::from_str::<Config>(strcontent);
             match parsed {
                 Ok(_) => {
-                    if let Some(s) = params.get("key") {
-                        if s.to_owned() == st.master_key {
-                            let _ = tokio::spawn(async move { apply_config(content.as_str(), st).await });
-                            return Response::builder().status(StatusCode::OK).body(Body::from("Accepted! Applying in background\n")).unwrap();
-                        }
-                    }
-                    return Response::builder().status(StatusCode::FORBIDDEN).body(Body::from("Access Denied !\n")).unwrap();
+                    let _ = tokio::spawn(async move { apply_config(content.as_str(), st).await });
+                    return Response::builder().status(StatusCode::OK).body(Body::from("Accepted! Applying in background\n")).unwrap();
                 }
                 Err(err) => {
                     error!("Failed to parse upstreams file: {}", err);