override fun checkClientTrusted(
    chain: Array<out X509Certificate>,
    authType: String?,
  ) = throw CertificateException("Unsupported operation")

  override fun checkServerTrusted(
    chain: Array<out X509Certificate>,
    authType: String,
  ) = throw CertificateException("Unsupported operation")

    authType: String,
  ) = throw CertificateException("Unsupported operation")

  override fun checkClientTrusted(
    chain: Array<out X509Certificate>,
    authType: String?,
  ) = throw CertificateException("Unsupported operation")

  override fun checkClientTrusted(
    chain: Array<out X509Certificate>,
    authType: String,
    engine: SSLEngine?,
  ) = throw CertificateException("Unsupported operation")

 */
package okhttp3.internal.platform.android

import android.net.http.X509TrustManagerExtensions
import java.lang.IllegalArgumentException
import java.security.cert.Certificate
import java.security.cert.CertificateException
import java.security.cert.X509Certificate
import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.X509TrustManager
import okhttp3.internal.SuppressSignatureCheck

    // ConnectionSpec: we assume it is unreachable.
    e is InterruptedIOException -> false

    // If the problem was a CertificateException from the X509TrustManager, do not retry.
    e is SSLHandshakeException && e.cause is CertificateException -> false

    // e.g. a certificate pinning error.
    e is SSLPeerUnverifiedException -> false

    // Retry for all other SSL failures.

    // again with a different route.
    if (e is SSLHandshakeException) {
      // If the problem was a CertificateException from the X509TrustManager,
      // do not retry.
      if (e.cause is CertificateException) {
        return false
      }
    }
    if (e is SSLPeerUnverifiedException) {
      // e.g. a certificate pinning error.
      return false
    }

import android.os.Build;
import androidx.test.ext.junit.runners.AndroidJUnit4;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;

import okhttp3.OkHttpClient;
import okhttp3.Protocol;
import okhttp3.Request;
import okhttp3.Response;

import assertk.assertions.isFalse
import assertk.assertions.isNotNull
import assertk.assertions.isNull
import assertk.assertions.isTrue
import java.io.IOException
import java.security.cert.CertificateException
import javax.net.ssl.SSLHandshakeException
import javax.net.ssl.SSLSocket
import okhttp3.ConnectionSpec
import okhttp3.OkHttpClientTestRule
import okhttp3.TestValueFactory
import okhttp3.TlsVersion

import java.io.Closeable
import java.io.File
import java.io.Flushable
import java.io.IOException
import java.security.cert.Certificate
import java.security.cert.CertificateEncodingException
import java.security.cert.CertificateException
import java.security.cert.CertificateFactory
import java.util.TreeSet
import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.internal.EMPTY_HEADERS

import java.net.UnknownHostException
import java.security.KeyStore
import java.security.SecureRandom
import java.security.Security
import java.security.cert.Certificate
import java.security.cert.CertificateException
import java.security.cert.X509Certificate
import java.util.concurrent.atomic.AtomicInteger
import java.util.logging.Handler
import java.util.logging.Level
import java.util.logging.LogRecord

    private val UNTRUSTED_TRUST_MANAGER =
      object : X509TrustManager {
        @Throws(CertificateException::class)
        override fun checkClientTrusted(
          chain: Array<X509Certificate>,
          authType: String,
        ) = throw CertificateException()

        override fun checkServerTrusted(
          chain: Array<X509Certificate>,
          authType: String,