Magisk/app/src/main/java/com/topjohnwu/magisk/model/download/RemoteFileService.kt

119 lines
4.3 KiB
Kotlin

package com.topjohnwu.magisk.model.download
import android.app.Activity
import android.content.Intent
import androidx.core.app.NotificationCompat
import com.topjohnwu.magisk.R
import com.topjohnwu.magisk.data.network.GithubRawServices
import com.topjohnwu.magisk.di.NullActivity
import com.topjohnwu.magisk.extensions.get
import com.topjohnwu.magisk.extensions.subscribeK
import com.topjohnwu.magisk.extensions.writeTo
import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
import com.topjohnwu.magisk.model.entity.internal.DownloadSubject.*
import com.topjohnwu.magisk.utils.ProgressInputStream
import com.topjohnwu.magisk.isRunningAsStub
import com.topjohnwu.magisk.view.Notifications
import com.topjohnwu.superuser.ShellUtils
import io.reactivex.Completable
import okhttp3.ResponseBody
import org.koin.android.ext.android.inject
import timber.log.Timber
import java.io.InputStream
abstract class RemoteFileService : NotificationService() {
private val service: GithubRawServices by inject()
override val defaultNotification: NotificationCompat.Builder
get() = Notifications.progress(this, "")
override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
intent?.getParcelableExtra<DownloadSubject>(ARG_URL)?.let { start(it) }
return START_REDELIVER_INTENT
}
// ---
private fun start(subject: DownloadSubject) = checkExisting(subject)
.onErrorResumeNext { download(subject) }
.doOnSubscribe { update(subject.hashCode()) { it.setContentTitle(subject.title) } }
.subscribeK(onError = {
Timber.e(it)
finishNotify(subject.hashCode()) { notification ->
notification.setContentText(getString(R.string.download_file_error))
.setSmallIcon(android.R.drawable.stat_notify_error)
.setOngoing(false)
}
}) {
val newId = finishNotify(subject)
if (get<Activity>() !is NullActivity) {
onFinished(subject, newId)
}
}
private fun checkExisting(subject: DownloadSubject) = Completable.fromAction {
check(subject is Magisk) { "Download cache is disabled" }
subject.file.also {
check(it.exists() && ShellUtils.checkSum("MD5", it, subject.magisk.md5)) {
"The given file does not match checksum"
}
}
}
private fun download(subject: DownloadSubject) = service.fetchFile(subject.url)
.map { it.toStream(subject.hashCode()) }
.flatMapCompletable { stream ->
when (subject) {
is Module -> service.fetchInstaller()
.doOnSuccess { stream.toModule(subject.file, it.byteStream()) }
.ignoreElement()
else -> Completable.fromAction { stream.writeTo(subject.file) }
}
}.doOnComplete {
if (!isRunningAsStub && subject is Manager)
handleAPK(subject)
}
private fun ResponseBody.toStream(id: Int): InputStream {
val maxRaw = contentLength()
val max = maxRaw / 1_000_000f
return ProgressInputStream(byteStream()) {
val progress = it / 1_000_000f
update(id) { notification ->
if (maxRaw > 0) {
notification
.setProgress(maxRaw.toInt(), it.toInt(), false)
.setContentText("%.2f / %.2f MB".format(progress, max))
} else {
notification.setContentText("%.2f MB / ??".format(progress))
}
}
}
}
private fun finishNotify(subject: DownloadSubject) = finishNotify(subject.hashCode()) {
it.addActions(subject)
.setContentText(getString(R.string.download_complete))
.setSmallIcon(android.R.drawable.stat_sys_download_done)
.setProgress(0, 0, false)
.setOngoing(false)
.setAutoCancel(true)
}
// ---
@Throws(Throwable::class)
protected abstract fun onFinished(subject: DownloadSubject, id: Int)
protected abstract fun NotificationCompat.Builder.addActions(subject: DownloadSubject)
: NotificationCompat.Builder
companion object {
const val ARG_URL = "arg_url"
}
}