From 24026d7fbe5b6b3163bb01858dbb5c6e1d2e9561 Mon Sep 17 00:00:00 2001
From: Timo Bryant <t.bryant@insiders-technologies.de>
Date: Tue, 16 Jan 2024 08:36:48 +0100
Subject: [PATCH] dynamically use proxy

---
 .../kotlin/de/itkl/httpClient/createHttpClient.kt  | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/libraries/httpClient/src/main/kotlin/de/itkl/httpClient/createHttpClient.kt b/libraries/httpClient/src/main/kotlin/de/itkl/httpClient/createHttpClient.kt
index 3f88251..7bdd03f 100644
--- a/libraries/httpClient/src/main/kotlin/de/itkl/httpClient/createHttpClient.kt
+++ b/libraries/httpClient/src/main/kotlin/de/itkl/httpClient/createHttpClient.kt
@@ -1,5 +1,6 @@
 package de.itkl.httpClient
 
+import io.github.oshai.kotlinlogging.KotlinLogging
 import io.ktor.client.*
 import io.ktor.client.engine.*
 import io.ktor.client.engine.cio.*
@@ -7,8 +8,11 @@ import io.ktor.client.plugins.*
 import io.ktor.client.plugins.contentnegotiation.*
 import io.ktor.http.*
 import io.ktor.serialization.kotlinx.json.*
+import java.net.InetSocketAddress
+import java.net.Socket
 import kotlin.time.Duration.Companion.minutes
 
+private val Log = KotlinLogging.logger { }
 fun createHttpClient(): HttpClient {
     return HttpClient(CIO) {
         install(ContentNegotiation) {
@@ -20,7 +24,15 @@ fun createHttpClient(): HttpClient {
         }
 
         engine {
-            proxy = ProxyBuilder.http(Url("http://localhost:9999"))
+            val isPortOpen = try {
+                Socket().use { it.connect(InetSocketAddress("localhost", 9999), 200) }
+                true
+            } catch (ex: Exception) {
+                false
+            }
+            if (isPortOpen) {
+                proxy = ProxyBuilder.http(Url("http://localhost:9999"))
+            }
             https {
                 trustManager = TrustAllX509TrustManager()
             }