OkHttp client that ignores SSL certificate verification (for testing)

okhttp_unsafe.scala

import java.security.SecureRandom
import java.security.cert.{ CertificateException, X509Certificate }
import javax.net.ssl.{ HostnameVerifier, SSLContext, SSLSession, X509TrustManager }

import scala.util.Try

import okhttp3.{ MediaType, OkHttpClient, Request, RequestBody, Response }

@SuppressWarnings(Array("org.wartremover.warts.Null"))
  def getUnsafeClient(): OkHttpClient = {
    val c = Try {
      val tm = new X509TrustManager {
        @throws(classOf[CertificateException])
        override def checkClientTrusted(chain: Array[X509Certificate], authType: String): Unit = {}

        @throws(classOf[CertificateException])
        override def checkServerTrusted(chain: Array[X509Certificate], authType: String): Unit = {}

        override def getAcceptedIssuers(): Array[X509Certificate] = Array[X509Certificate]()
      }

      val rand = new SecureRandom()

      val sslContext = SSLContext.getInstance("SSL")
      sslContext.init(null, Array(tm), rand)

      val sslSocketFactory = sslContext.getSocketFactory()

      val verifier = new HostnameVerifier() {
        override def verify(hostname: String, session: SSLSession) = true
      }

      val client = new OkHttpClient.Builder()
      val f = client.sslSocketFactory(sslSocketFactory, tm)
      val v = client.hostnameVerifier(verifier)

      client.build()
    }

    c.getOrElse(new OkHttpClient())
  }