com.virgilsecurity.keyknox.utils.Functions.kt Maven / Gradle / Ivy

Go to download
/*
 * Copyright (c) 2015-2020, Virgil Security, Inc.
 *
 * Lead Maintainer: Virgil Security Inc. 
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     (1) Redistributions of source code must retain the above copyright notice, this
 *     list of conditions and the following disclaimer.
 *
 *     (2) Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 *     (3) Neither the name of virgil nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.virgilsecurity.keyknox.utils

import com.virgilsecurity.crypto.foundation.Base64
import com.virgilsecurity.sdk.utils.ConvertionUtils
import java.util.*
import java.util.logging.Logger

inline fun base64Encode(array: ByteArray): String = String(Base64.encode(array))

inline fun base64Encode(string: String): ByteArray = ConvertionUtils.toBase64Bytes(string)

inline fun base64Decode(array: ByteArray): String = ConvertionUtils.base64ToString(array)

inline fun base64Decode(string: String): ByteArray = Base64.decode(string.toByteArray())

fun ClosedRange.random() =
        Random().nextInt((endInclusive + 1) - start) + start

/**
 * Return logger for Java class, if companion object fix the name.
 */
fun  R.logger(): Lazy {
    return lazy { Logger.getLogger(unwrapCompanionClass(this.javaClass).name) }
}

/**
 * Unwrap companion class to enclosing class given a Java Class.
 */
fun  unwrapCompanionClass(ofClass: Class): Class<*> {
    return ofClass.enclosingClass?.takeIf {
        ofClass.enclosingClass.kotlin.java == ofClass
    } ?: ofClass
}

/**
 * Marker interface and related extension (remove extension for Any.logger() in favour of this).
 */
interface Loggable {
    public fun logger(): Logger {
        return Logger.getLogger(unwrapCompanionClass(this.javaClass).name)
    }
}