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TLSParameters.scala
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TLSParameters.scala
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/*
* Copyright (c) 2013 Functional Streams for Scala
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package fs2
package io
package net
package tls
import cats.effect.kernel.Async
import cats.effect.std.Dispatcher
import cats.syntax.all._
import fs2.io.internal.ThrowableOps._
import fs2.io.internal.facade
import scala.scalajs.js
import scala.scalajs.js.JSConverters._
/** Parameters used in creation of a TLS session.
* See [[https://nodejs.org/api/tls.html]] for detailed documentation on each parameter.
*/
sealed trait TLSParameters { outer =>
val requestCert: Option[Boolean]
val rejectUnauthorized: Option[Boolean]
val alpnProtocols: Option[List[String]]
val sniCallback: Option[TLSParameters.SNICallback]
val session: Option[SSLSession]
val requestOCSP: Option[Boolean]
val pskCallback: Option[TLSParameters.PSKCallback]
val servername: Option[String]
val checkServerIdentity: Option[TLSParameters.CheckServerIdentity]
val minDHSize: Option[Int]
private[tls] def toTLSSocketOptions[F[_]: Async](
dispatcher: Dispatcher[F]
): facade.tls.TLSSocketOptions = {
val options = new facade.tls.TLSSocketOptions {}
outer.requestCert.foreach(options.requestCert = _)
outer.rejectUnauthorized.foreach(options.rejectUnauthorized = _)
alpnProtocols.map(_.toJSArray).foreach(options.ALPNProtocols = _)
sniCallback.map(_.toJS(dispatcher)).foreach(options.SNICallback = _)
outer.session.map(_.raw.toUint8Array).foreach(options.session = _)
outer.requestOCSP.foreach(options.requestOCSP = _)
options
}
private[tls] def toTLSConnectOptions[F[_]: Async](
dispatcher: Dispatcher[F]
): facade.tls.TLSConnectOptions = {
val options = new facade.tls.TLSConnectOptions {}
outer.requestCert.foreach(options.requestCert = _)
outer.rejectUnauthorized.foreach(options.rejectUnauthorized = _)
alpnProtocols.map(_.toJSArray).foreach(options.ALPNProtocols = _)
sniCallback.map(_.toJS(dispatcher)).foreach(options.SNICallback = _)
outer.session.map(_.raw.toUint8Array).foreach(options.session = _)
outer.pskCallback.map(_.toJS).foreach(options.pskCallback = _)
outer.servername.foreach(options.servername = _)
outer.checkServerIdentity.map(_.toJS).foreach(options.checkServerIdentity = _)
outer.minDHSize.foreach(options.minDHSize = _)
options
}
}
object TLSParameters {
val Default: TLSParameters = TLSParameters()
def apply(
requestCert: Option[Boolean] = None,
rejectUnauthorized: Option[Boolean] = None,
alpnProtocols: Option[List[String]] = None,
sniCallback: Option[TLSParameters.SNICallback] = None,
session: Option[SSLSession] = None,
requestOCSP: Option[Boolean] = None,
pskCallback: Option[TLSParameters.PSKCallback] = None,
servername: Option[String] = None,
checkServerIdentity: Option[TLSParameters.CheckServerIdentity] = None,
minDHSize: Option[Int] = None
): TLSParameters = DefaultTLSParameters(
requestCert,
rejectUnauthorized,
alpnProtocols,
sniCallback,
session,
requestOCSP,
pskCallback,
servername,
checkServerIdentity,
minDHSize
)
private case class DefaultTLSParameters(
requestCert: Option[Boolean],
rejectUnauthorized: Option[Boolean],
alpnProtocols: Option[List[String]],
sniCallback: Option[TLSParameters.SNICallback],
session: Option[SSLSession],
requestOCSP: Option[Boolean],
pskCallback: Option[TLSParameters.PSKCallback],
servername: Option[String],
checkServerIdentity: Option[TLSParameters.CheckServerIdentity],
minDHSize: Option[Int]
) extends TLSParameters
trait SNICallback {
def apply[F[_]: Async](servername: String): F[Either[Throwable, Option[SecureContext]]]
private[TLSParameters] def toJS[F[_]](dispatcher: Dispatcher[F])(implicit
F: Async[F]
): js.Function2[String, js.Function2[js.Error, js.UndefOr[
SecureContext
], Unit], Unit] = { (servername, cb) =>
dispatcher.unsafeRunAndForget {
apply(servername).flatMap {
case Left(ex) => F.delay(cb(ex.toJSError, null))
case Right(Some(ctx)) => F.delay(cb(null, ctx))
case Right(None) => F.delay(cb(null, null))
}
}
}
}
trait PSKCallback {
def apply(hint: Option[String]): Option[PSKCallbackNegotation]
private[TLSParameters] def toJS: js.Function1[String, facade.tls.PSKCallbackNegotation] =
hint => apply(Option(hint)).map(_.toJS).orNull
}
final case class PSKCallbackNegotation(psk: Chunk[Byte], identity: String) { outer =>
private[TLSParameters] def toJS = {
val pskcbn = new facade.tls.PSKCallbackNegotation {}
pskcbn.psk = outer.psk.toUint8Array
pskcbn.identity = outer.identity
pskcbn
}
}
trait CheckServerIdentity {
def apply(servername: String, cert: Chunk[Byte]): Either[Throwable, Unit]
private[TLSParameters] def toJS
: js.Function2[String, facade.tls.PeerCertificate, js.UndefOr[js.Error]] = {
(servername, cert) =>
apply(servername, Chunk.uint8Array(cert.raw)) match {
case Left(ex) => ex.toJSError
case _ => ()
}
}
}
}