Axcwg verification update 1.2.1

Author: Bumer-32

CHANGELOG.md

@@ -1,3 +1,3 @@
 1.2.0-FIX_2
 
-<a href="https://github.com/Bumer-32/I-Want-To-Control-My-Server/issues/10">Fixed wrong working with filesystem for linux users</a> (Thank you <a href="https://github.com/AXCWG">AXCWG</a>)
+<a href="https://github.com/Bumer-32/I-Want-To-Control-My-Server/pull/12">3-time validation & login status check</a> (Thank you <a href="https://github.com/AXCWG">AXCWG</a>)

gradle.properties

@@ -11,7 +11,7 @@ fabric_version=0.107.0+1.21.3
 fabric_kotlin_version=1.12.3+kotlin.2.0.21
 
 # Mod Properties
-mod_version=1.2.0-FIX_2
+mod_version=1.2.1
 maven_group=ua.pp.lumivoid.iwtcms
 archives_base_name=iwtcms
 

src/main/kotlin/ua/pp/lumivoid/iwtcms/server/ClientHandler.kt

@@ -18,6 +18,8 @@ class ClientHandler(client: Socket?, private val server: Server) {
     private val writer: OutputStream = this.client.getOutputStream()
     private var running = false
     private var authorized = false
+    private var times_tried = 0;
+
 
     fun run() {
         running = true
@@ -58,7 +60,7 @@ class ClientHandler(client: Socket?, private val server: Server) {
 
     private fun command(data: String) {
         when {
-            data  == "iwtcms_shutdown" -> {
+            data == "iwtcms_shutdown" -> {
                 shutdown()
             }
 
@@ -67,13 +69,24 @@ class ClientHandler(client: Socket?, private val server: Server) {
             }
 
             data.startsWith("iwtcms_login") -> {
+                if(authorized){
+                    write("Already logged in. \n")
+                    return
+                }
                 val loginData = data.split(" ")
 
                 if (loginData[1].replace("\n", "") == Constants.passwordHash) {
                     authorized = true
                     write("iwtcms_login_success\n")
                 } else {
                     write("iwtcms_login_failed\n", false)
+                    times_tried++
+                    if(times_tried > 2){
+                        write(("Maximum retries. Login failed. \n"), false)
+                        shutdown();
+                        logger.info("Login attempt failed for 3 wrong password input: ${client.inetAddress}")
+
+                    }
                 }
 
             }
@@ -89,7 +102,10 @@ class ClientHandler(client: Socket?, private val server: Server) {
 
                 try {
                     if (MinecraftServerHandler.server != null) {
-                        MinecraftServerHandler.server!!.commandManager.executeWithPrefix(MinecraftServerHandler.server!!.commandSource, data)
+                        MinecraftServerHandler.server!!.commandManager.executeWithPrefix(
+                            MinecraftServerHandler.server!!.commandSource,
+                            data
+                        )
                     }
                 } catch (e: Exception) {
                     e.stackTrace.forEach { logger.error(it.toString()) }