Testing with ALPN Override (#8081)

android-test/src/androidTest/java/okhttp/android/test/alpn/AlpnOverrideTest.kt

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+/*
+ * Copyright (C) 2020 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package okhttp.android.test.alpn;
+
+import android.os.Build
+import android.util.Log
+import java.net.InetSocketAddress
+import java.net.Proxy
+import javax.net.ssl.SSLSocket
+import javax.net.ssl.SSLSocketFactory
+import okhttp3.*
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.jupiter.api.Tag
+import org.junit.jupiter.api.Test
+
+/**
+ * Tests for ALPN overriding on Android.
+ */
+@Tag("Remote")
+class AlpnOverrideTest {
+
+  class CustomSSLSocketFactory(
+    delegate: SSLSocketFactory
+  ) : DelegatingSSLSocketFactory(delegate) {
+    override fun configureSocket(sslSocket: SSLSocket): SSLSocket {
+      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+        val parameters = sslSocket.sslParameters
+        Log.d("CustomSSLSocketFactory", "old applicationProtocols: $parameters.applicationProtocols")
+        parameters.applicationProtocols = arrayOf("x-amzn-http-ca")
+        sslSocket.sslParameters = parameters
+      }
+
+      return sslSocket
+    }
+  }
+
+  var client = OkHttpClient()
+
+  @Test
+  fun getWithCustomSocketFactory() {
+    client = client.newBuilder()
+      .sslSocketFactory(CustomSSLSocketFactory(client.sslSocketFactory), client.x509TrustManager!!)
+      .connectionSpecs(listOf(
+        ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
+          .supportsTlsExtensions(false)
+          .build()
+      ))
+      .eventListener(object : EventListener() {
+        override fun connectionAcquired(call: Call, connection: Connection) {
+          val sslSocket = connection.socket() as SSLSocket
+          println("Requested " + sslSocket.sslParameters.applicationProtocols.joinToString())
+          println("Negotiated " + sslSocket.applicationProtocol)
+        }
+      })
+      .build()
+
+    val request = Request.Builder()
+      .url("https://www.google.com")
+      .build()
+    client.newCall(request).execute().use { response ->
+      assertThat(response.code).isEqualTo(200)
+    }
+  }
+}