io.gatling.http.util.SslHelper.scala Maven / Gradle / Ivy

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/**
 * Copyright 2011-2016 GatlingCorp (http://gatling.io)
 *
 * 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 io.gatling.http.util

import java.io.{ FileNotFoundException, InputStream, File, FileInputStream }
import java.security.KeyStore
import javax.net.ssl.{ KeyManagerFactory, TrustManagerFactory }

import io.gatling.commons.util.Io._
import io.gatling.core.config.AhcConfiguration

import io.netty.handler.ssl.{ SslProvider, SslContextBuilder }
import org.asynchttpclient.DefaultAsyncHttpClientConfig

object SslHelper {

  private def storeStream(filePath: String): InputStream = {
    val storeFile = new File(filePath)
    if (storeFile.exists)
      new FileInputStream(storeFile)
    else
      Option(getClass.getClassLoader.getResourceAsStream(filePath)).getOrElse(throw new FileNotFoundException(filePath))
  }

  def newTrustManagerFactory(storeType: Option[String], file: String, password: String, algorithm: Option[String]): TrustManagerFactory = {

    withCloseable(storeStream(file)) { is =>
      val trustStore = KeyStore.getInstance(storeType.getOrElse(KeyStore.getDefaultType))
      trustStore.load(is, password.toCharArray)
      val algo = algorithm.getOrElse(KeyManagerFactory.getDefaultAlgorithm)
      val tmf = TrustManagerFactory.getInstance(algo)
      tmf.init(trustStore)
      tmf
    }
  }

  def newKeyManagerFactory(storeType: Option[String], file: String, password: String, algorithm: Option[String]): KeyManagerFactory = {

    withCloseable(storeStream(file)) { is =>
      val keyStore = KeyStore.getInstance(storeType.getOrElse(KeyStore.getDefaultType))
      val passwordCharArray = password.toCharArray
      keyStore.load(is, passwordCharArray)
      val algo = algorithm.getOrElse(KeyManagerFactory.getDefaultAlgorithm)
      val kmf = KeyManagerFactory.getInstance(algo)
      kmf.init(keyStore, passwordCharArray)
      kmf
    }
  }

  implicit class RichAsyncHttpClientConfigBuilder(val ahcConfigBuilder: DefaultAsyncHttpClientConfig.Builder) extends AnyVal {

    def setSslContext(ahcConfig: AhcConfiguration, keyManagerFactory: Option[KeyManagerFactory], trustManagerFactory: Option[TrustManagerFactory]): DefaultAsyncHttpClientConfig.Builder = {
      val sslContext = SslContextBuilder.forClient
        .sslProvider(if (ahcConfig.useOpenSsl) SslProvider.OPENSSL else SslProvider.JDK)
        .keyManager(keyManagerFactory.orNull)
        .trustManager(trustManagerFactory.orNull)
        .sessionCacheSize(ahcConfig.sslSessionCacheSize)
        .sessionTimeout(ahcConfig.sslSessionTimeout)
        .build
      ahcConfigBuilder.setSslContext(sslContext)
    }
  }
}