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Updated service to use extra transformer so the service itself is not plagued by unnecessary code

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This commit is contained in:
Viktor De Pasquale 2019-07-11 19:10:12 +02:00 committed by John Wu
parent 78282c1a49
commit 7cd814d917
3 changed files with 84 additions and 50 deletions
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4
app/src/main/java/com/topjohnwu/magisk/di/ApplicationModule.kt
View File

@ -4,6 +4,8 @@ import android.content.Context
import androidx.preference.PreferenceManager
import com.skoumal.teanity.rxbus.RxBus
import com.topjohnwu.magisk.App
import com.topjohnwu.magisk.model.download.ModuleTransformer
import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
import org.koin.dsl.module
@ -15,4 +17,6 @@ val applicationModule = module {
factory(Protected) { get<App>().protectedContext }
single(SUTimeout) { get<Context>(Protected).getSharedPreferences("su_timeout", 0) }
single { PreferenceManager.getDefaultSharedPreferences(get<Context>(Protected)) }
factory { (subject: DownloadSubject) -> ModuleTransformer(get(), subject) }
}

68
app/src/main/java/com/topjohnwu/magisk/model/download/ModuleTransformer.kt Normal file
View File

@ -0,0 +1,68 @@
package com.topjohnwu.magisk.model.download
import android.content.Context
import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
import com.topjohnwu.magisk.utils.cachedFile
import com.topjohnwu.magisk.utils.withStreams
import java.io.File
import java.util.zip.ZipEntry
import java.util.zip.ZipInputStream
import java.util.zip.ZipOutputStream
class ModuleTransformer(
private val context: Context,
subject: DownloadSubject
) {
private val destination = context.cachedFile(subject.fileName)
fun inject(file: File, installer: File): File {
return injectInternal(move(file), installer)
}
// ---
private fun injectInternal(file: File, installer: File): File {
val input = ZipInputStream(file.inputStream())
val output = ZipOutputStream(destination.outputStream())
withStreams(input, output) { zin, zout ->
zout.putNextEntry(ZipEntry("META-INF/"))
zout.putNextEntry(ZipEntry("META-INF/com/"))
zout.putNextEntry(ZipEntry("META-INF/com/google/"))
zout.putNextEntry(ZipEntry("META-INF/com/google/android/"))
zout.putNextEntry(ZipEntry("META-INF/com/google/android/update-binary"))
installer.inputStream().copyTo(zout).also { zout.flush() }
zout.putNextEntry(ZipEntry("META-INF/com/google/android/updater-script"))
zout.write("#MAGISK\n".toByteArray(charset("UTF-8")))
var off = -1
var entry: ZipEntry? = zin.nextEntry
while (entry != null) {
if (off < 0) {
off = entry.name.indexOf('/') + 1
}
val path = entry.name.substring(off)
if (path.isNotEmpty() && !path.startsWith("META-INF")) {
zout.putNextEntry(ZipEntry(path))
if (!entry.isDirectory) {
zin.copyTo(zout).also { zout.flush() }
}
}
entry = zin.nextEntry
}
}
file.delete()
return destination
}
private fun move(file: File) = context.cachedFile("temp").apply {
file.renameTo(this)
}
}

62
app/src/main/java/com/topjohnwu/magisk/model/download/RemoteFileService.kt
View File

@ -9,20 +9,17 @@ import com.topjohnwu.magisk.R
import com.topjohnwu.magisk.data.repository.FileRepository
import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
import com.topjohnwu.magisk.model.entity.internal.DownloadSubject.*
import com.topjohnwu.magisk.utils.cachedFile
import com.topjohnwu.magisk.utils.withStreams
import com.topjohnwu.magisk.utils.writeToCachedFile
import com.topjohnwu.magisk.view.Notifications
import com.topjohnwu.superuser.ShellUtils
import io.reactivex.Single
import io.reactivex.android.schedulers.AndroidSchedulers
import okhttp3.ResponseBody
import org.koin.android.ext.android.get
import org.koin.android.ext.android.inject
import org.koin.core.parameter.parametersOf
import timber.log.Timber
import java.io.File
import java.util.zip.ZipEntry
import java.util.zip.ZipInputStream
import java.util.zip.ZipOutputStream
abstract class RemoteFileService : NotificationService() {
@ -40,7 +37,7 @@ abstract class RemoteFileService : NotificationService() {
// ---
private fun startInternal(subject: DownloadSubject) = search(subject)
private fun startInternal(subject: DownloadSubject): Single<File> = search(subject)
.onErrorResumeNext(download(subject))
.doOnSubscribe { update(subject.hashCode()) { it.setContentTitle(subject.fileName) } }
.observeOn(AndroidSchedulers.mainThread())
@ -76,57 +73,22 @@ abstract class RemoteFileService : NotificationService() {
}
private fun download(subject: DownloadSubject) = repo.downloadFile(subject.url)
.map { it.toFile(subject.hashCode(), subject.fileName) }
.map {
when (subject) {
is Module -> appendInstaller(it, subject)
else -> it.toFile(subject.hashCode(), subject.fileName)
}
}
private fun appendInstaller(body: ResponseBody, subject: DownloadSubject): File {
update(subject.hashCode()) {
it.setContentText(getString(R.string.download_module))
}
val installer = startInternal(Installer).blockingGet()
val target = cachedFile(subject.fileName)
val input = ZipInputStream(body.byteStream())
val output = ZipOutputStream(target.outputStream())
withStreams(input, output) { zin, zout ->
zout.putNextEntry(ZipEntry("META-INF/"))
zout.putNextEntry(ZipEntry("META-INF/com/"))
zout.putNextEntry(ZipEntry("META-INF/com/google/"))
zout.putNextEntry(ZipEntry("META-INF/com/google/android/"))
zout.putNextEntry(ZipEntry("META-INF/com/google/android/update-binary"))
installer.inputStream().copyTo(zout).also { zout.flush() }
zout.putNextEntry(ZipEntry("META-INF/com/google/android/updater-script"))
zout.write("#MAGISK\n".toByteArray(charset("UTF-8")))
var off = -1
var entry: ZipEntry? = zin.nextEntry
while (entry != null) {
if (off < 0) {
off = entry.name.indexOf('/') + 1
}
val path = entry.name.substring(off)
if (path.isNotEmpty() && !path.startsWith("META-INF")) {
zout.putNextEntry(ZipEntry(path))
if (!entry.isDirectory) {
zin.copyTo(zout).also { zout.flush() }
is Module -> {
update(subject.hashCode()) {
it.setContentText(getString(R.string.download_module))
.setProgress(0, 0, true)
}
}
entry = zin.nextEntry
get<ModuleTransformer> { parametersOf(subject) }
.inject(it, startInternal(Installer).blockingGet())
}
else -> it
}
}
return target
}
// ---
private fun ResponseBody.toFile(id: Int, name: String): File {