Replace khttp with java standard library https methods

orx-glslify/src/main/kotlin/Glslify.kt

@@ -1,10 +1,11 @@
 package org.openrndr.extra.glslify
 
-import khttp.responses.Response
 import mu.KotlinLogging
 import java.io.ByteArrayInputStream
 import java.io.File
 import java.io.InputStream
+import java.net.URL
+import javax.net.ssl.HttpsURLConnection
 
 const val BASE_URL = "https://registry.npmjs.org"
 const val GLSLIFY_PATH = "src/main/resources/glslify"
@@ -35,9 +36,9 @@ fun glslify(module: String, renameFunctionTo: String? = null): String {
         try {
             moduleDir.mkdirs()
 
-            val response: Response = khttp.get(packageUrl, stream = true)
-
-            val tarStream: InputStream = ByteArrayInputStream(response.content)
+            val url = URL(packageUrl)
+            val con = url.openConnection()
+            val tarStream: InputStream = ByteArrayInputStream(con.getInputStream().readBytes())
 
             extractGzipStream(tarStream, moduleDir)
 
@@ -46,6 +47,7 @@ fun glslify(module: String, renameFunctionTo: String? = null): String {
             File("$moduleDir/package").deleteRecursively()
 
             logger.trace("[glslify] $moduleName downloaded")
+            (con as HttpsURLConnection).disconnect()
         } catch (ex: Exception) {
             logger.error(ex) { "[glslify]: There was an error getting $moduleName" }
 

orx-glslify/src/main/kotlin/NpmUtils.kt

@@ -2,7 +2,8 @@ package org.openrndr.extra.glslify
 
 import com.google.gson.GsonBuilder
 import com.google.gson.annotations.SerializedName
-import khttp.responses.Response
+import java.net.URL
+import javax.net.ssl.HttpsURLConnection
 
 
 internal data class NPMPackageDist(
@@ -25,20 +26,17 @@ internal data class NPMResponse(
 )
 
 internal fun getPackageUrl(module: String): String? {
-    val url = "$BASE_URL/$module"
+    val moduleUrl = "$BASE_URL/$module"
 
-    val response : Response = khttp.get(
-            url = url,
-            headers = mapOf(
-                    "Accept" to "application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8"
-            )
-    )
+    val url = URL(moduleUrl)
 
+    val con = url.openConnection() as HttpsURLConnection
+    con.setRequestProperty("Accept", "application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8")
+
+    val json = String(con.inputStream.readAllBytes())
     val gson = GsonBuilder().create()
 
-    val npmResponse = gson.fromJson(
-            response.text, NPMResponse::class.java
-    )
+    val npmResponse = gson.fromJson(json, NPMResponse::class.java)
 
     if (npmResponse.error != null) {
         return null