service 2-5-26-2

android/app/src/main/kotlin/com/example/service_intaleq/MainActivity.kt

@@ -23,15 +23,17 @@ class MainActivity : FlutterFragmentActivity() {
     override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
         super.configureFlutterEngine(flutterEngine)
 
-        // Channel for security checks (isRooted)
+        // Channel for security checks (isRooted, getAppSignature)
         MethodChannel(flutterEngine.dartExecutor.binaryMessenger, SECURITY_CHANNEL)
                 .setMethodCallHandler { call, result ->
                     when (call.method) {
                         "isNativeRooted" -> result.success(isDeviceCompromised())
+                        "getAppSignature" -> result.success(getAppSignature())
                         else -> result.notImplemented()
                     }
                 }
 
+
         // Channel for app control (bringing to foreground)
         MethodChannel(flutterEngine.dartExecutor.binaryMessenger, APP_CONTROL_CHANNEL)
                 .setMethodCallHandler { call, result ->
@@ -171,4 +173,35 @@ class MainActivity : FlutterFragmentActivity() {
         Log.d("MainActivity", "Deleted directory ${dir?.path}: $deleted")
         return deleted
     }
+
+    private fun getAppSignature(): String? {
+        return try {
+            val packageInfo = if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.P) {
+                packageManager.getPackageInfo(packageName, android.content.pm.PackageManager.GET_SIGNING_CERTIFICATES)
+            } else {
+                @Suppress("DEPRECATION")
+                packageManager.getPackageInfo(packageName, android.content.pm.PackageManager.GET_SIGNATURES)
+            }
+
+            val signatures = if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.P) {
+                packageInfo.signingInfo?.signingCertificateHistory
+            } else {
+                @Suppress("DEPRECATION")
+                packageInfo.signatures
+            }
+
+            if (signatures != null && signatures.isNotEmpty()) {
+                val signature = signatures[0]
+                val md = java.security.MessageDigest.getInstance("SHA-256")
+                val digest = md.digest(signature.toByteArray())
+                digest.joinToString("") { "%02x".format(it) }
+            } else {
+                null
+            }
+        } catch (e: Exception) {
+            Log.e("MainActivity", "Error getting app signature: ${e.message}", e)
+            null
+        }
+    }
 }
+