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Code Issues Packages Projects Releases Wiki Activity

Revert attempts to read archives to cache first

Browse Source 
Issues:
- Apache implementation relies on methods unavailable on lower Android API levels
- Using input stream implementation doesn't seem to read some files properly, but using
  ZipFile implementation still requires reading the entire thing into memory
This commit is contained in:
arkon
2023-05-07 12:03:58 -04:00
parent d36cf5ce15
commit 6f59c6c6bb
5 changed files with 44 additions and 60 deletions
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43
app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/RarPageLoader.kt
View File

@@ -1,10 +1,11 @@
package eu.kanade.tachiyomi.ui.reader.loader
import android.app.Application
import com.github.junrar.Archive
import com.github.junrar.rarfile.FileHeader
import eu.kanade.tachiyomi.source.model.Page
import eu.kanade.tachiyomi.ui.reader.model.ReaderPage
import uy.kohesive.injekt.injectLazy
import eu.kanade.tachiyomi.util.lang.compareToCaseInsensitiveNaturalOrder
import tachiyomi.core.util.system.ImageUtil
import java.io.File
import java.io.InputStream
import java.io.PipedInputStream
@@ -15,36 +16,30 @@ import java.io.PipedOutputStream
*/
internal class RarPageLoader(file: File) : PageLoader() {
private val context: Application by injectLazy()
private val tmpDir = File(context.externalCacheDir, "reader_${file.hashCode()}").also {
it.deleteRecursively()
it.mkdirs()
}
init {
Archive(file).use { rar ->
rar.fileHeaders.asSequence()
.filterNot { it.isDirectory }
.forEach { header ->
val pageOutputStream = File(tmpDir, header.fileName.substringAfterLast("/"))
.also { it.createNewFile() }
.outputStream()
getStream(rar, header).use {
it.copyTo(pageOutputStream)
}
}
}
}
private val rar = Archive(file)
override var isLocal: Boolean = true
override suspend fun getPages(): List<ReaderPage> {
return DirectoryPageLoader(tmpDir).getPages()
return rar.fileHeaders.asSequence()
.filter { !it.isDirectory && ImageUtil.isImage(it.fileName) { rar.getInputStream(it) } }
.sortedWith { f1, f2 -> f1.fileName.compareToCaseInsensitiveNaturalOrder(f2.fileName) }
.mapIndexed { i, header ->
ReaderPage(i).apply {
stream = { getStream(rar, header) }
status = Page.State.READY
}
}
.toList()
}
override suspend fun loadPage(page: ReaderPage) {
check(!isRecycled)
}
override fun recycle() {
super.recycle()
tmpDir.deleteRecursively()
rar.close()
}
/**

56
app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/ZipPageLoader.kt
View File

@@ -1,52 +1,46 @@
package eu.kanade.tachiyomi.ui.reader.loader
import android.app.Application
import android.os.Build
import eu.kanade.tachiyomi.source.model.Page
import eu.kanade.tachiyomi.ui.reader.model.ReaderPage
import org.apache.commons.compress.archivers.zip.ZipFile
import org.apache.commons.compress.utils.SeekableInMemoryByteChannel
import uy.kohesive.injekt.injectLazy
import java.io.ByteArrayOutputStream
import eu.kanade.tachiyomi.util.lang.compareToCaseInsensitiveNaturalOrder
import tachiyomi.core.util.system.ImageUtil
import java.io.File
import java.io.FileInputStream
import java.nio.charset.StandardCharsets
import java.util.zip.ZipFile
/**
* Loader used to load a chapter from a .zip or .cbz file.
*/
internal class ZipPageLoader(file: File) : PageLoader() {
private val context: Application by injectLazy()
private val tmpDir = File(context.externalCacheDir, "reader_${file.hashCode()}").also {
it.deleteRecursively()
it.mkdirs()
}
init {
ByteArrayOutputStream().use { byteArrayOutputStream ->
FileInputStream(file).use { it.copyTo(byteArrayOutputStream) }
ZipFile(SeekableInMemoryByteChannel(byteArrayOutputStream.toByteArray())).use { zip ->
zip.entries.asSequence()
.filterNot { it.isDirectory }
.forEach { entry ->
File(tmpDir, entry.name.substringAfterLast("/"))
.also { it.createNewFile() }
.outputStream().use { pageOutputStream ->
zip.getInputStream(entry).copyTo(pageOutputStream)
pageOutputStream.flush()
}
}
}
}
private val zip = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
ZipFile(file, StandardCharsets.ISO_8859_1)
} else {
ZipFile(file)
}
override var isLocal: Boolean = true
override suspend fun getPages(): List<ReaderPage> {
return DirectoryPageLoader(tmpDir).getPages()
return zip.entries().asSequence()
.filter { !it.isDirectory && ImageUtil.isImage(it.name) { zip.getInputStream(it) } }
.sortedWith { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) }
.mapIndexed { i, entry ->
ReaderPage(i).apply {
stream = { zip.getInputStream(entry) }
status = Page.State.READY
}
}
.toList()
}
override suspend fun loadPage(page: ReaderPage) {
check(!isRecycled)
}
override fun recycle() {
super.recycle()
tmpDir.deleteRecursively()
zip.close()
}
}