From c623258e8c289ecebb2a673fd118686ab56bd0bd Mon Sep 17 00:00:00 2001
From: arkon <eugcheung94@gmail.com>
Date: Wed, 3 May 2023 14:00:33 -0400
Subject: [PATCH] Try Apache implementation of ZipFile instead

Docs: https://commons.apache.org/proper/commons-compress/
Related StackOverflow post: https://stackoverflow.com/a/54236244/4421500

Related to #9438
---
 app/build.gradle.kts                          |  1 +
 .../ui/reader/loader/ZipPageLoader.kt         | 41 ++++++++-----------
 gradle/libs.versions.toml                     |  1 +
 3 files changed, 19 insertions(+), 24 deletions(-)

diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 282b293241..6620b74541 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -210,6 +210,7 @@ dependencies {
     // Disk
     implementation(libs.disklrucache)
     implementation(libs.unifile)
+    implementation(libs.compress)
     implementation(libs.junrar)
 
     // Preferences
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/ZipPageLoader.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/ZipPageLoader.kt
index a9a4e91ff5..c10552b4ee 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/ZipPageLoader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/ZipPageLoader.kt
@@ -1,12 +1,13 @@
 package eu.kanade.tachiyomi.ui.reader.loader
 
 import android.app.Application
-import android.os.Build
 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 java.io.File
 import java.io.FileInputStream
-import java.util.zip.ZipInputStream
 
 /**
  * Loader used to load a chapter from a .zip or .cbz file.
@@ -20,29 +21,21 @@ internal class ZipPageLoader(file: File) : PageLoader() {
     }
 
     init {
-        ZipInputStream(FileInputStream(file)).use { zipInputStream ->
-            generateSequence { zipInputStream.nextEntry }
-                .filterNot { it.isDirectory }
-                .forEach { entry ->
-                    File(tmpDir, entry.name.substringAfterLast("/"))
-                        .also { it.createNewFile() }
-                        .outputStream().use { pageOutputStream ->
-                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-                                pageOutputStream.write(zipInputStream.readNBytes(entry.size.toInt()))
-                            } else {
-                                val buffer = ByteArray(2048)
-                                var len: Int
-                                while (
-                                    zipInputStream.read(buffer, 0, buffer.size)
-                                        .also { len = it } >= 0
-                                ) {
-                                    pageOutputStream.write(buffer, 0, len)
-                                }
+        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()
                             }
-                            pageOutputStream.flush()
-                        }
-                    zipInputStream.closeEntry()
-                }
+                    }
+            }
         }
     }
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7437447465..c3196e0b5b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -32,6 +32,7 @@ jsoup = "org.jsoup:jsoup:1.15.4"
 
 disklrucache = "com.jakewharton:disklrucache:2.0.2"
 unifile = "com.github.tachiyomiorg:unifile:17bec43"
+compress = "org.apache.commons:commons-compress:1.23.0"
 junrar = "com.github.junrar:junrar:7.5.4"
 
 sqlite-framework = { module = "androidx.sqlite:sqlite-framework", version.ref = "sqlite" }