Extract trust store and key store methods

src/main/java/acq/acq/src/Main.java

@@ -1,35 +1,30 @@
 package acq.acq.src;
 // File: AcqClient.java
+import common.common.src.logger.Logger;
+import common.common.src.socket.SocketManager;
+
 import javax.net.ssl.*;
 import java.io.*;
 import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.UnrecoverableKeyException;
+import java.security.cert.CertificateException;
 
 public class Main {
+
+    private static final String KEY_STORE_PATH = "assets/certs/acq.p12";
+    private static final String KEY_STORE_PWD = "hepl";
+
+    private static final String TRUST_STORE_PATH = "assets/certs/acq-trust.jks";
+    private static final String TRUST_STORE_PWD = "heplhepl";
+
     public static void main(String[] args) throws Exception {
         String host = "localhost";
         int port = 8443;
 
-        // If client needs to present cert (mTLS)
+        KeyManagerFactory kmf = loadKeyStore();
-        String keystorePath = "assets/certs/acq.p12";
+        TrustManagerFactory tmf = loadTrustStore();
-        char[] keystorePass = "hepl".toCharArray();
-
-        // Truststore to trust the server's CA
-        String truststorePath = "assets/certs/acq-trust.jks";
-        char[] truststorePass = "heplhepl".toCharArray();
-
-        KeyStore ks = KeyStore.getInstance("PKCS12");
-        try (FileInputStream fis = new FileInputStream(keystorePath)) {
-            ks.load(fis, keystorePass);
-        }
-        KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
-        kmf.init(ks, keystorePass);
-
-        KeyStore ts = KeyStore.getInstance("JKS");
-        try (FileInputStream fis = new FileInputStream(truststorePath)) {
-            ts.load(fis, truststorePass);
-        }
-        TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
-        tmf.init(ts);
 
         SSLContext ctx = SSLContext.getInstance("TLS");
         ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
@@ -37,14 +32,54 @@ public class Main {
         SSLSocketFactory factory = ctx.getSocketFactory();
         try (SSLSocket socket = (SSLSocket) factory.createSocket(host, port)) {
             socket.startHandshake();
-            BufferedWriter out = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
-            BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
 
-            out.write("Hello ACS\n");
+            String message = "Hello ACS\n";
-            out.flush();
+            SocketManager.send(socket, message);
+            Logger.displaySent(message);
 
-            String resp = in.readLine();
+
-            System.out.println("Response from ACS: " + resp);
+            String response = SocketManager.readResponse(socket);
+            Logger.displayReceived(response);
+        } catch (Exception e) {
+            e.printStackTrace();
         }
     }
+
+    private static KeyManagerFactory loadKeyStore() {
+
+        KeyManagerFactory kmf = null;
+
+        try (FileInputStream fis = new FileInputStream(KEY_STORE_PATH)) {
+            char[] keystorePass = KEY_STORE_PWD.toCharArray();
+
+            KeyStore ks = KeyStore.getInstance("PKCS12");
+            ks.load(fis, keystorePass);
+
+            kmf = KeyManagerFactory.getInstance("SunX509");
+            kmf.init(ks, keystorePass);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+
+        return kmf;
+    }
+
+    private static TrustManagerFactory loadTrustStore() {
+
+        TrustManagerFactory tmf = null;
+
+        try (FileInputStream fis = new FileInputStream(TRUST_STORE_PATH)) {
+            char[] truststorePass = TRUST_STORE_PWD.toCharArray();
+
+            KeyStore ts = KeyStore.getInstance("JKS");
+            ts.load(fis, truststorePass);
+
+            tmf = TrustManagerFactory.getInstance("SunX509");
+            tmf.init(ts);
+        } catch (Exception e){
+            throw new RuntimeException(e);
+        }
+
+        return tmf;
+    }
 }

src/main/java/common/common/src/socket/SocketManager.java

@@ -2,6 +2,7 @@ package common.common.src.socket;
 
 import java.io.BufferedReader;
 import java.io.IOException;
+import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.net.Socket;
 import java.nio.charset.StandardCharsets;
@@ -17,4 +18,9 @@ public class SocketManager {
     public static String readResponse(BufferedReader reader) throws IOException {
         return reader.readLine();
     }
+
+    public static String readResponse(Socket socket) throws IOException {
+        BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+        return reader.readLine();
+    }
 }