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Extract assets from apk file (#602)

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Some extension require some assets to work properly.
Currently, the extracted jar file does not contain these assets, thus, these extensions wouldn't work
This commit is contained in:
schroda
2023-07-20 23:47:08 +02:00
committed by GitHub
parent 526fef85e4
commit 0338ac3810
1 changed files with 54 additions and 0 deletions
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54
server/src/main/kotlin/suwayomi/tachidesk/manga/impl/extension/Extension.kt
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@@ -46,7 +46,11 @@ import suwayomi.tachidesk.manga.model.table.SourceTable
import suwayomi.tachidesk.server.ApplicationDirs import suwayomi.tachidesk.server.ApplicationDirs
import uy.kohesive.injekt.injectLazy import uy.kohesive.injekt.injectLazy
import java.io.File import java.io.File
import java.io.FileOutputStream
import java.io.InputStream import java.io.InputStream
import java.util.zip.ZipEntry
import java.util.zip.ZipInputStream
import java.util.zip.ZipOutputStream
object Extension { object Extension {
private val logger = KotlinLogging.logger {} private val logger = KotlinLogging.logger {}
@@ -136,6 +140,7 @@ object Extension {
logger.debug("Main class for extension is $className") logger.debug("Main class for extension is $className")
dex2jar(apkFilePath, jarFilePath, fileNameWithoutType) dex2jar(apkFilePath, jarFilePath, fileNameWithoutType)
extractAssetsFromApk(apkFilePath, jarFilePath)
// clean up // clean up
File(apkFilePath).delete() File(apkFilePath).delete()
@@ -198,6 +203,55 @@ object Extension {
} }
} }
private fun extractAssetsFromApk(apkPath: String, jarPath: String) {
val apkFile = File(apkPath)
val jarFile = File(jarPath)
val assetsFolder = File("${apkFile.parent}/${apkFile.nameWithoutExtension}_assets")
assetsFolder.mkdir()
ZipInputStream(apkFile.inputStream()).use { zipInputStream ->
var zipEntry = zipInputStream.nextEntry
while (zipEntry != null) {
if (zipEntry.name.startsWith("assets/")) {
val assetFile = File(assetsFolder, zipEntry.name.substringAfter("assets/"))
assetFile.parentFile.mkdirs()
FileOutputStream(assetFile).use { outputStream ->
zipInputStream.copyTo(outputStream)
}
}
zipEntry = zipInputStream.nextEntry
}
}
val tempJarFile = File("${jarFile.parent}/${jarFile.nameWithoutExtension}_temp.jar")
ZipInputStream(jarFile.inputStream()).use { jarZipInputStream ->
ZipOutputStream(FileOutputStream(tempJarFile)).use { jarZipOutputStream ->
var zipEntry = jarZipInputStream.nextEntry
while (zipEntry != null) {
if (!zipEntry.name.startsWith("META-INF/")) {
jarZipOutputStream.putNextEntry(ZipEntry(zipEntry.name))
jarZipInputStream.copyTo(jarZipOutputStream)
}
zipEntry = jarZipInputStream.nextEntry
}
assetsFolder.walkTopDown().forEach { file ->
if (file.isFile) {
jarZipOutputStream.putNextEntry(ZipEntry("assets/${file.relativeTo(assetsFolder)}"))
file.inputStream().use { inputStream ->
inputStream.copyTo(jarZipOutputStream)
}
jarZipOutputStream.closeEntry()
}
}
}
}
jarFile.delete()
tempJarFile.renameTo(jarFile)
assetsFolder.deleteRecursively()
}
private val network: NetworkHelper by injectLazy() private val network: NetworkHelper by injectLazy()
private suspend fun downloadAPKFile(url: String, savePath: String) { private suspend fun downloadAPKFile(url: String, savePath: String) {