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launcher now checks if there is an update before downloading it

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This commit is contained in:
ryannathans 2022-04-26 19:03:48 +10:00
parent a6e855a740
commit 99c798daad
3 changed files with 9 additions and 27 deletions
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33
src/main/kotlin/Checksum.kt
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@ -9,18 +9,6 @@ import java.security.NoSuchAlgorithmException
import kotlin.experimental.and import kotlin.experimental.and
object Checksum { object Checksum {
val localChecksum: String?
get() {
val local: File = File(Settings.SAVE_DIR + Settings.SAVE_NAME)
try {
FileInputStream(local).use { fis -> return calculateMd5(fis) }
} catch (e: Exception) {
e.printStackTrace()
MainWindow.loadingLabel.text = e.message
MainWindow.loadingLabel.repaint()
}
return null
}
fun getLocalChecksum(file: URI?): String { fun getLocalChecksum(file: URI?): String {
val local = File(file!!) val local = File(file!!)
@ -28,21 +16,14 @@ object Checksum {
else FileInputStream(local).use { fis -> return calculateMd5(fis) } else FileInputStream(local).use { fis -> return calculateMd5(fis) }
} }
val remoteChecksum: String? fun getRemoteChecksum(url: String?, checksumFile: Boolean = false): String? {
get() {
try {
URL(Settings.DOWNLOAD_URL).openStream().use { stream -> return calculateMd5(stream) }
} catch (e: Exception) {
e.printStackTrace()
MainWindow.loadingLabel.text = e.message
MainWindow.loadingLabel.repaint()
return null
}
}
fun getRemoteChecksum(url: String?): String? {
try { try {
URL(url).openStream().use { stream -> return calculateMd5(stream) } if (checksumFile) {
URL(url).openStream().use { stream -> return stream.bufferedReader().use { it.readText().trim() } }
}
else {
URL(url).openStream().use { stream -> return calculateMd5(stream) }
}
} catch (e: Exception) { } catch (e: Exception) {
e.printStackTrace() e.printStackTrace()
MainWindow.loadingLabel.text = e.message MainWindow.loadingLabel.text = e.message

1
src/main/kotlin/Settings.kt
View file

@ -6,6 +6,7 @@ object Settings {
} }
val SAVE_NAME = "2009scape.jar" val SAVE_NAME = "2009scape.jar"
val DOWNLOAD_URL = "http://play.2009scape.org/2009scape.jar" val DOWNLOAD_URL = "http://play.2009scape.org/2009scape.jar"
val DOWNLOAD_MD5_URL = "http://play.2009scape.org/2009scape.md5sum"
val LAUNCHER_URL = "https://gitlab.com/2009scape/09launcher/-/jobs/artifacts/master/raw/build/libs/2009scape.jar?job=build" val LAUNCHER_URL = "https://gitlab.com/2009scape/09launcher/-/jobs/artifacts/master/raw/build/libs/2009scape.jar?job=build"
var HAS_UPDATED = false var HAS_UPDATED = false
var CHECK_FOR_UPDATES = true var CHECK_FOR_UPDATES = true

2
src/main/kotlin/Updater.kt
View file

@ -19,7 +19,7 @@ object Updater {
val fileUri = File(Settings.SAVE_DIR + File.separator + Settings.SAVE_NAME).toURI() val fileUri = File(Settings.SAVE_DIR + File.separator + Settings.SAVE_NAME).toURI()
status = UpdateStatus.CHECKING status = UpdateStatus.CHECKING
localMD5 = Checksum.getLocalChecksum(fileUri) localMD5 = Checksum.getLocalChecksum(fileUri)
remoteMD5 = Checksum.getRemoteChecksum(Settings.DOWNLOAD_URL) ?: "-1" remoteMD5 = Checksum.getRemoteChecksum(Settings.DOWNLOAD_MD5_URL, checksumFile = true) ?: "-1"
println("Local: $localMD5 || Remote: $remoteMD5") println("Local: $localMD5 || Remote: $remoteMD5")
status = UpdateStatus.COMPLETE status = UpdateStatus.COMPLETE
} }