nats code

app/release/output-metadata.json

@@ -4,15 +4,15 @@
     "type": "APK",
     "kind": "Directory"
   },
-  "applicationId": "com.example.hpos",
+  "applicationId": "in.sminnovations.hpostesting.quality",
   "variantName": "release",
   "elements": [
     {
       "type": "SINGLE",
       "filters": [],
       "attributes": [],
-      "versionCode": 1,
+      "versionCode": 101,
-      "versionName": "1.0",
+      "versionName": "2.1.101",
       "outputFile": "app-release.apk"
     }
   ],

app/src/main/java/com/example/hpostesting/presentation/NatsManager.kt

@@ -1,6 +1,7 @@
 package com.example.hpostesting.presentation
 
 import android.util.Log
+import com.example.hpostesting.presentation.assurance.AssuranceControlsActivity
 import com.example.hpostesting.presentation.dashboard.DashboardActivity
 import io.nats.client.AuthHandler
 import io.nats.client.Connection
@@ -9,12 +10,14 @@ import io.nats.client.NKey
 import io.nats.client.Nats
 import io.nats.client.Options
 import java.io.BufferedInputStream
+import java.io.File
 import java.io.FileInputStream
 import java.io.IOException
 import java.nio.charset.StandardCharsets
 import java.security.GeneralSecurityException
 import java.security.KeyStore
 import java.security.SecureRandom
+import java.security.cert.CertificateFactory
 import javax.net.ssl.KeyManager
 import javax.net.ssl.KeyManagerFactory
 import javax.net.ssl.SSLContext
@@ -22,19 +25,20 @@ import javax.net.ssl.TrustManager
 import javax.net.ssl.TrustManagerFactory
 
 
-class NatsManager(datacollector: DashboardActivity) {
+class NatsManager(datacollector: AssuranceControlsActivity) {
 
     val TAG = "Nats Service"
     var nc: Connection? = null
     val datacollector = datacollector
     var connect = false
 
-    fun createSSLContext(): SSLContext {
+    private fun createSSLContext(): SSLContext {
-        val keyStorePassword = "password".toCharArray() // Change as necessary
+        val keyStorePassword = "prime24".toCharArray() // Change as necessary
+        val clientCertPath = "/storage/sdcard0/Download/client.p12"
 
         // Load client certificate and key
-        val keyStore = KeyStore.getInstance("PKCS12")
+        val keyStore = KeyStore.getInstance("PKCS12") // Ensure this matches your file type
-        FileInputStream("path/to/client-certificate.p12").use { keyStoreInputStream ->
+        FileInputStream(clientCertPath).use { keyStoreInputStream ->
             keyStore.load(keyStoreInputStream, keyStorePassword)
         }
 
@@ -43,9 +47,13 @@ class NatsManager(datacollector: DashboardActivity) {
         keyManagerFactory.init(keyStore, keyStorePassword)
 
         // Load CA certificate
+        val caCertPath = "/storage/sdcard0/Android/data/in.sminnovations.hpostesting.quality/files/extractedCertificates/clientCertificate/client-cert.pem"
         val trustStore = KeyStore.getInstance(KeyStore.getDefaultType())
-        FileInputStream("/storage/emulated/0/Android/data/in.sminnovations.hpostesting.quality/files/NATS/clientCertificate/client-cert.pem").use { trustStoreInputStream ->
+        trustStore.load(null, null) // Initialize the trust store
-            trustStore.load(trustStoreInputStream, null) // No password for CA certificate
+
+        // Load the CA certificate as a Certificate object
+        CertificateFactory.getInstance("X.509").generateCertificate(BufferedInputStream(FileInputStream(caCertPath))).also { caCertificate ->
+            trustStore.setCertificateEntry("ca-cert", caCertificate)
         }
 
         // Initialize trust manager factory
@@ -59,50 +67,6 @@ class NatsManager(datacollector: DashboardActivity) {
         return sslContext
     }
 
-    internal object SSLUtils {
-        var KEYSTORE_PATH = "keystore.jks"
-        var TRUSTSTORE_PATH = "truststore.jks"
-        var STORE_PASSWORD = "password"
-        var KEY_PASSWORD = "password"
-        var ALGORITHM = "SunX509"
-        @Throws(java.lang.Exception::class)
-        fun loadKeystore(path: String?): KeyStore {
-            val store = KeyStore.getInstance("JKS")
-            val `in` = BufferedInputStream(FileInputStream(path))
-            try {
-                store.load(`in`, STORE_PASSWORD.toCharArray())
-            } finally {
-                if (`in` != null) {
-                    `in`.close()
-                }
-            }
-            return store
-        }
-
-        @Throws(java.lang.Exception::class)
-        fun createTestKeyManagers(): Array<KeyManager> {
-            val store = loadKeystore(KEYSTORE_PATH)
-            val factory = KeyManagerFactory.getInstance(ALGORITHM)
-            factory.init(store, KEY_PASSWORD.toCharArray())
-            return factory.keyManagers
-        }
-
-        @Throws(java.lang.Exception::class)
-        fun createTestTrustManagers(): Array<TrustManager> {
-            val store = loadKeystore(TRUSTSTORE_PATH)
-            val factory = TrustManagerFactory.getInstance(ALGORITHM)
-            factory.init(store)
-            return factory.trustManagers
-        }
-
-        @Throws(java.lang.Exception::class)
-        fun createSSLContext(): SSLContext {
-            val ctx = SSLContext.getInstance(Options.DEFAULT_SSL_PROTOCOL)
-            ctx.init(createTestKeyManagers(), createTestTrustManagers(), SecureRandom())
-            return ctx
-        }
-    }
-
     fun connect() {
         Log.d(TAG, "TRY TO CONNECT")
         Thread {
@@ -113,7 +77,8 @@ class NatsManager(datacollector: DashboardActivity) {
             val theNKey = NKey.fromSeed(seedBytes) // really should load from somewhere
 
             val options = Options.Builder()
-                .server("nats://192.168.10.117:4222")
+                .server("nats://nanodgx.in:4222")
+                .sslContext(createSSLContext())
                 .authHandler(object : AuthHandler {
                     override fun getID(): CharArray? {
                         return try {
@@ -151,6 +116,11 @@ class NatsManager(datacollector: DashboardActivity) {
                 connect = true
                 datacollector.setConnect(true)
 
+                if (nc?.status == Connection.Status.CONNECTED) {
+                    Log.e("NATSCONNECTION", "NATS is successfully connected.")
+                } else {
+                    Log.e("NATSCONNECTION", "NATS is not connected. Current status: ${nc?.status}")
+                }
 
                 nc?.publish(
                     "server.hpos.HCV-000-3001.ping",
@@ -165,6 +135,7 @@ class NatsManager(datacollector: DashboardActivity) {
                     println("PRITIMOI SARKAR $msg")
                 }
 
+
                 d?.subscribe("device.hpos.HCV-000-3001.update") { msg ->
                     val response = String(msg.data, StandardCharsets.UTF_8)
                     datacollector. setResponse(response)
@@ -198,7 +169,7 @@ class NatsManager(datacollector: DashboardActivity) {
             } catch (exp: Exception) {
                 println(exp.printStackTrace())
                 connect = false
-                datacollector.setConnect(true)
+                datacollector.setConnect(false)
             }
         }.start()
 

app/src/main/java/com/example/hpostesting/presentation/assurance/AssuranceControlsActivity.kt

@@ -3,14 +3,19 @@ package com.example.hpostesting.presentation.assurance
 import android.content.Context
 import android.content.SharedPreferences
 import android.os.Bundle
+import android.util.Log
 import androidx.appcompat.app.AppCompatActivity
+import com.example.hpostesting.presentation.NatsManager
+import com.example.hpostesting.presentation.dashboard.IDataCollector
 import dagger.hilt.android.AndroidEntryPoint
 import `in`.sminnovations.hpostesting.databinding.ActivityAssuranceControlsBinding
 
 @AndroidEntryPoint
-class AssuranceControlsActivity: AppCompatActivity() {
+class AssuranceControlsActivity: AppCompatActivity(), IDataCollector {
     lateinit var binding: ActivityAssuranceControlsBinding
     lateinit var sharedPreference: SharedPreferences
+    lateinit var nats: NatsManager
+    var responses: String = ""
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -24,5 +29,21 @@ class AssuranceControlsActivity: AppCompatActivity() {
                 .replace(binding.fgAssuranceControls.id, AssuranceControlsFragment())
                 .commit()
         }
+
+        nats = NatsManager(this)
+        nats.connect()
+        nats.pub("server.hpos.HCV-000-3001.ping", "THIS IS A TEST MSG")
+    }
+
+    override fun setConnect(connect: Boolean) {
+        if(connect){
+            Log.i("NATS Connection", connect.toString())
+        }
+    }
+
+    override fun setResponse(response: String) {
+
+        responses = responses+response+"\n"
+        println(responses)
     }
 }

app/src/main/java/com/example/hpostesting/presentation/dashboard/DashboardActivity.kt

@@ -59,9 +59,9 @@ class DashboardActivity : AppCompatActivity(), IDataCollector {
         binding = ActivityDashboardBinding.inflate(layoutInflater)
         setContentView(binding.root)
         setSupportActionBar(binding.appBarDashboard.toolbar)
-        nats = NatsManager(this)
+//        nats = NatsManager(this)
-        nats.connect()
+//        nats.connect()
-        nats.pub("server.hpos.HCV-000-3001.ping", "THIS IS A TEST MSG")
+//        nats.pub("server.hpos.HCV-000-3001.ping", "THIS IS A TEST MSG")
 
         hemocubeViewModel.deviceUpdate.observe(this) { result ->
             when (result) {