116 lines
4.1 KiB
Kotlin
116 lines
4.1 KiB
Kotlin
package xyz.maxwellj.mapm
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import fuel.Fuel
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import fuel.get
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import java.io.File
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import java.math.BigInteger
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import java.security.MessageDigest
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import kotlin.system.exitProcess
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import org.tukaani.xz.XZInputStream
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import java.io.*
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import org.apache.commons.compress.archivers.tar.TarArchiveInputStream
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import java.io.BufferedInputStream
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import java.io.FileInputStream
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import java.nio.file.Files
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import java.nio.file.Paths
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import kotlin.collections.listOf as listOf
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fun uncompressXZFile(inputFile: String, outputFile: String) {
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XZInputStream(FileInputStream(inputFile)).use { input ->
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FileOutputStream(outputFile).use { output ->
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input.copyTo(output)
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}
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}
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}
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fun unarchiveTarFile(tarFilePath: String, outputDirectoryPath: String) {
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val tarFile = File(tarFilePath)
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val outputDir = File(outputDirectoryPath)
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if (!outputDir.exists()) {
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outputDir.mkdirs()
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}
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TarArchiveInputStream(BufferedInputStream(FileInputStream(tarFile))).use { tarIn ->
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var entry = tarIn.nextTarEntry
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while (entry != null) {
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val outputFile = File(outputDir, entry.name)
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if (entry.isDirectory) {
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outputFile.mkdirs()
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} else {
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outputFile.parentFile.mkdirs()
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Files.copy(tarIn, Paths.get(outputFile.absolutePath))
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}
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entry = tarIn.nextTarEntry
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}
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}
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}
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// hurrah for https://stackoverflow.com/questions/64171624/how-to-generate-an-md5-hash-in-kotlin!
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fun md5(input:String): String {
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val md = MessageDigest.getInstance("MD5")
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return BigInteger(1, md.digest(input.toByteArray())).toString(16).padStart(32, '0')
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}
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suspend fun main(args: Array<String>) {
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var userInput: String = args[0]
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println(userInput)
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if (userInput == "g") {
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val userInput: String = args[1]
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val linkToUse = "https://git.maxwellj.xyz/mapm/stable/raw/branch/main/$userInput"
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val dingus = Fuel.get(linkToUse).body.string()
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println("Package $userInput found at $dingus")
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// val packageList = listOf($userInput)
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println("Downloading package $userInput")
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println("Is this okay?")
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val userInputInteractive: String = readln()
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if (userInputInteractive != "y") {
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println("Confirmation not given. Exiting...")
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exitProcess(0)
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}
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val file = File("/usr/mapm/tmp/$userInput.tar.xz")
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val fileBytes = Fuel.get(dingus).body.bytes()
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file.writeBytes(fileBytes)
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val fileChecksum = Fuel.get("https://git.maxwellj.xyz/mapm/stable/raw/branch/main/$userInput.hash").body.string()
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if (fileChecksum == md5(file.readText())) {
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println("Checksum matches!")
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uncompressXZFile(inputFile = "/usr/mapm/tmp/${userInput}.tar.xz", outputFile = "/usr/mapm/tmp/${userInput}.tar")
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unarchiveTarFile(tarFilePath = "/usr/mapm/tmp/${userInput}.tar", outputDirectoryPath = "/usr/mapm/")
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Runtime.getRuntime().exec("chmod +x /usr/mapm/${userInput}")
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println("Finished!")
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exitProcess(0)
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} else {
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println("Checksum doesn't match! Aborting...")
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println("Please tell Max or your app's developer to use mapm to generate a new checksum. If the checksum is right, check your internet connection security.")
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exitProcess(1)
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}
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} else if (userInput == "r") {
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val executable = File("/usr/mapm/${args[1]}")
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println("Deleting package ${args[1]}")
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println("Is this okay? (y/n)")
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var userInput = readln()
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if (userInput != "y") {
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executable.delete()
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}
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} else if (userInput == "c") {
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val userInput = args[1]
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val file = File(userInput)
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println("Checksum of that file is ${md5(file.readText())}")
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} else {
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println("mapm - Max's Package Manager")
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println("Version 0.0.2")
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println("(C) Maxwell Jeffress 2024, licensed under the GNU GPL V3")
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println("")
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println("---Help---")
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println("Arguments that can be run")
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println("g Grab a package from the internet")
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println("r Remove a package")
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println("c Generate a checksum for a package")
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println("")
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println("More info at the following links:")
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println("https://maxwellj.xyz/mapm")
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println("https://git.maxwellj.xyz/max/mapm")
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}
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}
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