implement tokenfile authentication

protocol/src/main/contraband-scala/sbt/protocol/InitCommand.scala

@@ -0,0 +1,43 @@
+/**
+ * This code is generated using [[http://www.scala-sbt.org/contraband/ sbt-contraband]].
+ */
+
+// DO NOT EDIT MANUALLY
+package sbt.protocol
+final class InitCommand private (
+  val token: Option[String],
+  val execId: Option[String]) extends sbt.protocol.CommandMessage() with Serializable {
+  
+  
+  
+  override def equals(o: Any): Boolean = o match {
+    case x: InitCommand => (this.token == x.token) && (this.execId == x.execId)
+    case _ => false
+  }
+  override def hashCode: Int = {
+    37 * (37 * (37 * (17 + "sbt.protocol.InitCommand".##) + token.##) + execId.##)
+  }
+  override def toString: String = {
+    "InitCommand(" + token + ", " + execId + ")"
+  }
+  protected[this] def copy(token: Option[String] = token, execId: Option[String] = execId): InitCommand = {
+    new InitCommand(token, execId)
+  }
+  def withToken(token: Option[String]): InitCommand = {
+    copy(token = token)
+  }
+  def withToken(token: String): InitCommand = {
+    copy(token = Option(token))
+  }
+  def withExecId(execId: Option[String]): InitCommand = {
+    copy(execId = execId)
+  }
+  def withExecId(execId: String): InitCommand = {
+    copy(execId = Option(execId))
+  }
+}
+object InitCommand {
+  
+  def apply(token: Option[String], execId: Option[String]): InitCommand = new InitCommand(token, execId)
+  def apply(token: String, execId: String): InitCommand = new InitCommand(Option(token), Option(execId))
+}

protocol/src/main/contraband-scala/sbt/protocol/codec/CommandMessageFormats.scala

@@ -6,6 +6,6 @@
 package sbt.protocol.codec
 
 import _root_.sjsonnew.JsonFormat
-trait CommandMessageFormats { self: sjsonnew.BasicJsonProtocol with sbt.protocol.codec.ExecCommandFormats with sbt.protocol.codec.SettingQueryFormats =>
-implicit lazy val CommandMessageFormat: JsonFormat[sbt.protocol.CommandMessage] = flatUnionFormat2[sbt.protocol.CommandMessage, sbt.protocol.ExecCommand, sbt.protocol.SettingQuery]("type")
+trait CommandMessageFormats { self: sjsonnew.BasicJsonProtocol with sbt.protocol.codec.InitCommandFormats with sbt.protocol.codec.ExecCommandFormats with sbt.protocol.codec.SettingQueryFormats =>
+implicit lazy val CommandMessageFormat: JsonFormat[sbt.protocol.CommandMessage] = flatUnionFormat3[sbt.protocol.CommandMessage, sbt.protocol.InitCommand, sbt.protocol.ExecCommand, sbt.protocol.SettingQuery]("type")
 }

protocol/src/main/contraband-scala/sbt/protocol/codec/InitCommandFormats.scala

@@ -0,0 +1,29 @@
+/**
+ * This code is generated using [[http://www.scala-sbt.org/contraband/ sbt-contraband]].
+ */
+
+// DO NOT EDIT MANUALLY
+package sbt.protocol.codec
+import _root_.sjsonnew.{ Unbuilder, Builder, JsonFormat, deserializationError }
+trait InitCommandFormats { self: sjsonnew.BasicJsonProtocol =>
+implicit lazy val InitCommandFormat: JsonFormat[sbt.protocol.InitCommand] = new JsonFormat[sbt.protocol.InitCommand] {
+  override def read[J](jsOpt: Option[J], unbuilder: Unbuilder[J]): sbt.protocol.InitCommand = {
+    jsOpt match {
+      case Some(js) =>
+      unbuilder.beginObject(js)
+      val token = unbuilder.readField[Option[String]]("token")
+      val execId = unbuilder.readField[Option[String]]("execId")
+      unbuilder.endObject()
+      sbt.protocol.InitCommand(token, execId)
+      case None =>
+      deserializationError("Expected JsObject but found None")
+    }
+  }
+  override def write[J](obj: sbt.protocol.InitCommand, builder: Builder[J]): Unit = {
+    builder.beginObject()
+    builder.addField("token", obj.token)
+    builder.addField("execId", obj.execId)
+    builder.endObject()
+  }
+}
+}

protocol/src/main/contraband-scala/sbt/protocol/codec/JsonProtocol.scala

@@ -5,6 +5,7 @@
 // DO NOT EDIT MANUALLY
 package sbt.protocol.codec
 trait JsonProtocol extends sjsonnew.BasicJsonProtocol
+  with sbt.protocol.codec.InitCommandFormats
   with sbt.protocol.codec.ExecCommandFormats
   with sbt.protocol.codec.SettingQueryFormats
   with sbt.protocol.codec.CommandMessageFormats

protocol/src/main/contraband/server.contra

@@ -7,6 +7,11 @@ package sbt.protocol
 interface CommandMessage {
 }
 
+type InitCommand implements CommandMessage {
+  token: String
+  execId: String
+}
+
 ## Command to execute sbt command.
 type ExecCommand implements CommandMessage {
   commandLine: String!