giter8.ConsoleCredentialsProvider.scala Maven / Gradle / Ivy

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Shared library for Giter8 app and plugin

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/*
 * Original implementation (C) 2010-2015 Nathan Hamblen and contributors
 * Adapted and extended in 2016 by foundweekends project
 *
 * 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 giter8

import org.eclipse.jgit.transport.{CredentialItem, CredentialsProvider, URIish}

object ConsoleCredentialsProvider extends CredentialsProvider {

  def isInteractive = true

  def supports(items: CredentialItem*) = true

  def get(uri: URIish, items: CredentialItem*): Boolean = {
    items foreach {
      case i: CredentialItem.Username =>
        val username = System.console.readLine("%s: ", i.getPromptText)
        i.setValue(username)

      case i: CredentialItem.Password =>
        val password = System.console.readPassword("%s: ", i.getPromptText)
        i.setValueNoCopy(password)

      case i: CredentialItem.InformationalMessage =>
        System.console.printf("%s\n", i.getPromptText)

      case i: CredentialItem.YesNoType =>
        i.setValue(askYesNo(i.getPromptText))

      case i: CredentialItem.StringType if uri.getScheme == "ssh" =>
        val password = String.valueOf(System.console.readPassword("%s: ", i.getPromptText))
        i.setValue(password)
    }
    true
  }

  @scala.annotation.tailrec
  def askYesNo(prompt: String): Boolean = {
    System.console.readLine("%s: ", prompt).trim.toLowerCase match {
      case "yes" => true
      case "no"  => false
      case _     => askYesNo(prompt)
    }
  }
}