diff --git a/src/config.rs b/src/config.rs
index 0d2c25f..8b465e7 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,3 +1,7 @@
+use http::Request;
+use hyper::body::Incoming;
+use std::net::IpAddr;
+
 pub struct ServerConfig {
     pub ip: String,
     pub port: u16,
@@ -9,6 +13,44 @@ pub struct ServerConfig {
     pub api_key: Option<String>,
 }
 
+impl ServerConfig {
+    pub fn is_ip_authorized(&self, ip: &IpAddr) -> bool {
+        if !self.ips_filter {
+            return true;
+        }
+
+        if self.private_ips {
+            let is_private = match ip {
+                IpAddr::V4(ip4) => ip4.is_private(),
+                IpAddr::V6(_) => false,
+            };
+
+            if is_private {
+                return true;
+            }
+        }
+
+        let ips = &self.ips;
+        if ips.is_empty() {
+            return true;
+        }
+
+        ips.iter()
+            .any(|authorized_ip| &ip.to_string() == authorized_ip)
+    }
+
+    pub fn is_req_authorized(&self, req: &Request<Incoming>) -> bool {
+        if self.api_key.is_none() {
+            return true;
+        }
+
+        match req.headers().get("X-API-Key") {
+            Some(header) => header.eq(self.api_key.as_ref().unwrap()),
+            None => false,
+        }
+    }
+}
+
 impl Default for ServerConfig {
     fn default() -> Self {
         ServerConfig {
diff --git a/src/server.rs b/src/server.rs
index 203df40..edb19ec 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -1,15 +1,10 @@
 use crate::{builder::ServerBuilder, config::ServerConfig};
-use http::HeaderValue;
+use http1::Builder;
 use http_body_util::Full;
 use hyper::{body::Incoming, server::conn::http1, service::service_fn, Request, Response};
 use hyper_util::rt::{TokioIo, TokioTimer};
 use log::error;
-use std::{
-    convert::Infallible,
-    future::Future,
-    net::{IpAddr, SocketAddr},
-    sync::Arc,
-};
+use std::{convert::Infallible, future::Future, net::SocketAddr, sync::Arc};
 use tokio::{net::TcpListener, spawn};
 use tokio_util::bytes::Bytes;
 
@@ -36,17 +31,22 @@ impl Server {
         let handler = Arc::new(handler);
 
         loop {
-            let (tcp, client_addr) = listener.accept().await.unwrap();
-            let io = TokioIo::new(tcp);
-
-            let config = Arc::clone(&self.config);
-            if self.config.ips_filter && !self.is_ip_authorized(&client_addr.ip()) {
+            let listener_res = listener.accept().await;
+            if listener_res.is_err() {
                 continue;
             }
 
+            let (tcp, client_addr) = listener_res.unwrap();
+            let io = TokioIo::new(tcp);
+
+            if !self.config.is_ip_authorized(&client_addr.ip()) {
+                continue;
+            }
+
+            let config = Arc::clone(&self.config);
             let handler = Arc::clone(&handler);
             spawn(async move {
-                if let Err(error) = http1::Builder::new()
+                if let Err(error) = Builder::new()
                     .timer(TokioTimer::new())
                     .serve_connection(
                         io,
@@ -55,18 +55,14 @@ impl Server {
                             let handler = Arc::clone(&handler);
 
                             async move {
-                                if let Some(ref token) = config.api_key {
-                                    if req.headers().get("X-API-Key")
-                                        != Some(&HeaderValue::from_str(token).unwrap())
-                                    {
-                                        return Ok(Response::builder()
-                                            .status(401)
-                                            .body(Full::new(Bytes::from("Unauthorized")))
-                                            .unwrap());
-                                    }
+                                if config.is_req_authorized(&req) {
+                                    handler(req).await
+                                } else {
+                                    Ok(Response::builder()
+                                        .status(401)
+                                        .body(Full::new(Bytes::from("Unauthorized")))
+                                        .unwrap())
                                 }
-
-                                handler(req).await
                             }
                         }),
                     )
@@ -79,25 +75,4 @@ impl Server {
             });
         }
     }
-
-    fn is_ip_authorized(&self, ip: &IpAddr) -> bool {
-        if self.config.private_ips {
-            let is_private = match ip {
-                IpAddr::V4(ip4) => ip4.is_private(),
-                IpAddr::V6(_) => false,
-            };
-
-            if is_private {
-                return true;
-            }
-        }
-
-        let ips = &self.config.ips;
-        if ips.is_empty() {
-            return true;
-        }
-
-        ips.iter()
-            .any(|authorized_ip| &ip.to_string() == authorized_ip)
-    }
 }