```

With a server that holds a certificate and a client that trusts it we have enough for an HTTPS
handshake. The best part of this example is that we don't need to make our test code insecure with a
a fake `HostnameVerifier` or `X509TrustManager`.

Certificate Authorities
-----------------------

The above example uses a self-signed certificate. This is convenient for testing but not

import java.text.SimpleDateFormat
import java.util.Date
import java.util.Locale
import java.util.TimeZone
import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicReference
import javax.net.ssl.HostnameVerifier
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.RecordedRequest
import mockwebserver3.SocketEffect.ShutdownConnection

        .build(),
    )
    val url = server.url("/")
    val connection = url.toUrl().openConnection() as HttpsURLConnection
    connection.sslSocketFactory = handshakeCertificates.sslSocketFactory()
    connection.hostnameVerifier = RecordingHostnameVerifier()
    assertThat(connection.responseCode).isEqualTo(HttpURLConnection.HTTP_OK)
    val reader = BufferedReader(InputStreamReader(connection.inputStream, UTF_8))

 *  Fix: Don't crash with an `InaccessibleObjectException` when running on JDK17+ with strong
    encapsulation enabled.
 *  Fix: Strictly verify hostnames used with OkHttp's `HostnameVerifier`. Programs that make direct
    manual calls to `HostnameVerifier` could be defeated if the hostnames they pass in are not
    strictly ASCII. This issue is tracked as [CVE-2021-0341].


## Version 4.9.1

_2021-01-30_

      val sslSocketSession = sslSocket.session
      val unverifiedHandshake = sslSocketSession.handshake()

      // Verify that the socket's certificates are acceptable for the target host.
      if (!address.hostnameVerifier!!.verify(address.url.host, sslSocketSession)) {
        val peerCertificates = unverifiedHandshake.peerCertificates
        if (peerCertificates.isNotEmpty()) {
          val cert = peerCertificates[0] as X509Certificate

    // 2. The routes must share an IP address.
    if (routes == null || !routeMatchesAny(routes)) return false

    // 3. This connection's server certificates must cover the new host.
    if (address.hostnameVerifier !== OkHostnameVerifier) return false
    if (!supportsUrl(address.url)) return false

    // 4. Certificate pinning must match the host.
    try {

    client =
      client
        .newBuilder()
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,
        ).hostnameVerifier(RecordingHostnameVerifier())
        .build()
    server.useHttps(handshakeCertificates.sslSocketFactory())
  }

  private inner class DelayedRequestBody(
    private val delegate: RequestBody,

    assertThat(verifier.verify("���.com", session)).isFalse()
    assertThat(verifier.verify("℡.com", session)).isFalse()
  }

  @Test fun thatCatchesErrorsWithBadSession() {
    val localVerifier = OkHttpClient().hostnameVerifier

    // Since this is public API, okhttp3.internal.tls.OkHostnameVerifier.verify is also
    assertThat(verifier).isInstanceOf<OkHostnameVerifier>()

    client =
      client
        .newBuilder()
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,
        ).hostnameVerifier(RecordingHostnameVerifier())
        .build()
    server.useHttps(handshakeCertificates.sslSocketFactory())
  }

  @Test
  fun redirectUsingSameConnectionEventSequence() {
    server.enqueue(

          .protocols(listOf(Protocol.HTTP_2, Protocol.HTTP_1_1))
          .sslSocketFactory(
            handshakeCertificates.sslSocketFactory(),
            handshakeCertificates.trustManager,
          ).hostnameVerifier(RecordingHostnameVerifier())
          .build()
      scheme = "https"
    } else {
      server.protocols = listOf(Protocol.H2_PRIOR_KNOWLEDGE)
      client =
        clientTestRule