Ktor HTTPS Test Server.kt

import io.ktor.network.tls.certificates.buildKeyStore
import io.ktor.network.tls.certificates.saveToFile
import io.ktor.network.tls.extensions.HashAlgorithm
import io.ktor.network.tls.extensions.SignatureAlgorithm
import io.ktor.routing.routing
import io.ktor.server.engine.applicationEngineEnvironment
import io.ktor.server.engine.embeddedServer
import io.ktor.server.engine.sslConnector
import io.ktor.server.netty.Netty
import io.ktor.server.netty.NettyApplicationEngine
import java.io.File
import java.security.KeyStore

class HttpsServer {
    val pass = "abcd1234"

    val server: NettyApplicationEngine

    init {
        server = createServer()
    }

    private fun createServer(): NettyApplicationEngine {
        val alias = "certificateAlias"

        val keystore = buildKeyStore {
            certificate(alias) {
                hash = HashAlgorithm.SHA256
                sign = SignatureAlgorithm.ECDSA
                keySizeInBits = 256
                password = pass
            }
        }

        val server = embeddedServer(Netty, applicationEngineEnvironment {
            sslConnector(keystore,
                    alias,
                    { "".toCharArray() },
                    { pass.toCharArray() }) {
                port = 8181
                keyStorePath = keyStore.asFile.absoluteFile

                module {
                    // Your usual definitions, such as Content Negotiation, go here
                    routing {
                        // Your routes go here
                    }
                }
            }
        })

        return server
    }

    fun start() {
        server.start()
    }

    private val KeyStore.asFile: File
        get() {
            val keyStoreFile = File("build/temp.jks")
            this.saveToFile(keyStoreFile, pass)
            return keyStoreFile
        }
}

Dear Sir

very thx your demo

i also ref other demo

this one use extra config file : "application.$environment.conf"

if i run ktor server at android with the same config

do you know how load ?

because "ConfigFactory.load" base on ClassLoader

THX

https://github.com/samgarasx/ktor-webapi/blob/0a9b0c56879a00919d62fdd8b9933e2e45e6309d/src/main/kotlin/ktorwebapi/Server.kt#L15