Fix HTTP Error 416 not being handled properly for resumable downloads

app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt

@@ -8,6 +8,7 @@ import eu.kanade.tachiyomi.data.cache.ChapterCache
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.library.LibraryUpdateNotifier
 import eu.kanade.tachiyomi.data.notification.NotificationHandler
+import eu.kanade.tachiyomi.network.HttpException
 import eu.kanade.tachiyomi.source.UnmeteredSource
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.source.online.HttpSource
@@ -42,7 +43,6 @@ import mihon.core.archive.ZipWriter
 import nl.adaptivity.xmlutil.serialization.XML
 import okhttp3.Response
 import tachiyomi.core.common.i18n.stringResource
-import tachiyomi.core.common.storage.extension
 import tachiyomi.core.common.util.lang.launchIO
 import tachiyomi.core.common.util.lang.launchNow
 import tachiyomi.core.common.util.lang.withIOContext
@@ -482,22 +482,19 @@ class Downloader(
             val file = tmpDir.findFile("$filename.tmp")
                 ?: tmpDir.createFile("$filename.tmp")!!
 
-            val response = source.getImage(page, file.length())
-
             try {
-                response.body
-                    .source()
-                    .saveTo(
+                source.getImage(page, file.length()).use {
+                    it.body.source().saveTo(
                         // If the server supports partial downloads (HTTP 206),
                         // append to the existing file.
                         // Otherwise, start from scratch and overwrite the file.
-                        file.openOutputStream(response.code == 206),
+                        stream = file.openOutputStream(it.code == 206),
                     )
-                val extension = getImageExtension(response, file)
-                file.renameTo("$filename.$extension")
-            } catch (e: Exception) {
-                response.close()
-                if (response.code == 416) {
+                    val extension = getImageExtension(it, file)
+                    file.renameTo("$filename.$extension")
+                }
+            } catch (e: HttpException) {
+                if (e.code == 416) {
                     file.delete()
                 }
                 throw e