Magisk/app/src/main/java/com/topjohnwu/magisk/core/download/ManagerHandler.kt
2021-01-27 04:09:07 -08:00

76 lines
2.2 KiB
Kotlin

package com.topjohnwu.magisk.core.download
import android.content.Context
import androidx.core.net.toFile
import com.topjohnwu.magisk.DynAPK
import com.topjohnwu.magisk.R
import com.topjohnwu.magisk.core.Info
import com.topjohnwu.magisk.core.isRunningAsStub
import com.topjohnwu.magisk.core.tasks.HideAPK
import com.topjohnwu.magisk.core.utils.MediaStoreUtils.outputStream
import com.topjohnwu.magisk.ktx.relaunchApp
import com.topjohnwu.magisk.ktx.withStreams
import com.topjohnwu.magisk.ktx.writeTo
import java.io.File
import java.io.InputStream
import java.io.OutputStream
private fun Context.patch(apk: File) {
val patched = File(apk.parent, "patched.apk")
HideAPK.patch(this, apk, patched, packageName, applicationInfo.nonLocalizedLabel)
apk.delete()
patched.renameTo(apk)
}
private fun BaseDownloader.notifyHide(id: Int) {
update(id) {
it.setProgress(0, 0, true)
.setContentTitle(getString(R.string.hide_manager_title))
.setContentText("")
}
}
private class DupOutputStream(
private val o1: OutputStream,
private val o2: OutputStream
) : OutputStream() {
override fun write(b: Int) {
o1.write(b)
o2.write(b)
}
override fun write(b: ByteArray?, off: Int, len: Int) {
o1.write(b, off, len)
o2.write(b, off, len)
}
override fun close() {
o1.close()
o2.close()
}
}
suspend fun BaseDownloader.handleAPK(subject: Subject.Manager, stream: InputStream) {
fun write(output: OutputStream) {
val ext = subject.externalFile.outputStream()
val o = DupOutputStream(ext, output)
withStreams(stream, o) { src, out -> src.copyTo(out) }
}
if (isRunningAsStub) {
val apk = subject.file.toFile()
val id = subject.notifyID()
write(DynAPK.update(this).outputStream())
if (Info.stub!!.version < subject.stub.versionCode) {
// Also upgrade stub
notifyHide(id)
service.fetchFile(subject.stub.link).byteStream().writeTo(apk)
patch(apk)
} else {
// Simply relaunch the app
stopSelf()
relaunchApp(this)
}
} else {
write(subject.file.outputStream())
}
}