From 1a3bb67dcedd60956f5e84d4cff2cb9846824657 Mon Sep 17 00:00:00 2001
From: Mariya <mariya@sminnovations.in>
Date: Tue, 6 Feb 2024 16:23:33 +0530
Subject: [PATCH] nats

---
 app/src/main/AndroidManifest.xml              |  3 +-
 .../hpostesting/presentation/NatsManager.kt   | 83 +++++++++++++++++++
 2 files changed, 85 insertions(+), 1 deletion(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a5b66b6..24f665b 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -119,7 +119,8 @@
             android:theme="@style/AppTheme.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
+                <category android:name="android.intent.category.HOME" />
+                <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
diff --git a/app/src/main/java/com/example/hpostesting/presentation/NatsManager.kt b/app/src/main/java/com/example/hpostesting/presentation/NatsManager.kt
index 4c8f3dc..fe83c25 100644
--- a/app/src/main/java/com/example/hpostesting/presentation/NatsManager.kt
+++ b/app/src/main/java/com/example/hpostesting/presentation/NatsManager.kt
@@ -8,9 +8,18 @@ import io.nats.client.Message
 import io.nats.client.NKey
 import io.nats.client.Nats
 import io.nats.client.Options
+import java.io.BufferedInputStream
+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 javax.net.ssl.KeyManager
+import javax.net.ssl.KeyManagerFactory
+import javax.net.ssl.SSLContext
+import javax.net.ssl.TrustManager
+import javax.net.ssl.TrustManagerFactory
 
 
 class NatsManager(datacollector: DashboardActivity) {
@@ -20,6 +29,80 @@ class NatsManager(datacollector: DashboardActivity) {
     val datacollector = datacollector
     var connect = false
 
+    fun createSSLContext(): SSLContext {
+        val keyStorePassword = "password".toCharArray() // Change as necessary
+
+        // Load client certificate and key
+        val keyStore = KeyStore.getInstance("PKCS12")
+        FileInputStream("path/to/client-certificate.p12").use { keyStoreInputStream ->
+            keyStore.load(keyStoreInputStream, keyStorePassword)
+        }
+
+        // Initialize key manager factory
+        val keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm())
+        keyManagerFactory.init(keyStore, keyStorePassword)
+
+        // Load CA certificate
+        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(trustStoreInputStream, null) // No password for CA certificate
+        }
+
+        // Initialize trust manager factory
+        val trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm())
+        trustManagerFactory.init(trustStore)
+
+        // Initialize SSLContext
+        val sslContext = SSLContext.getInstance("TLS")
+        sslContext.init(keyManagerFactory.keyManagers, trustManagerFactory.trustManagers, SecureRandom())
+
+        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 {