From da9de7a82346880d0b07309f70a09daaf7c72d8f Mon Sep 17 00:00:00 2001
From: FooIbar <118464521+FooIbar@users.noreply.github.com>
Date: Tue, 4 Jul 2023 00:25:56 +0800
Subject: [PATCH] Truncate file to the size actually written

---
 app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.kt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.kt b/app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.kt
index 7b2e39f3b..865210944 100644
--- a/app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.kt
+++ b/app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.kt
@@ -142,7 +142,7 @@ class SpiderDen(private val mGalleryInfo: GalleryInfo) {
                         awaitBodyFully { buffer ->
                             val read = chan.write(buffer)
                             notifyProgress(length, info.receivedByteCount, read)
-                        }
+                        }.also { size -> if (chan.size() != size) chan.truncate(size) }
                     }
                 }
             }
@@ -185,7 +185,7 @@ class SpiderDen(private val mGalleryInfo: GalleryInfo) {
         val extension = contentType?.subtype ?: "jpg"
         val length = response.body.contentLength()
         return saveResponseMeta(index, extension, length) { outFile ->
-            object : ForwardingSink(outFile.openOutputStream().sink()) {
+            object : ForwardingSink(outFile.openOutputStream().also { it.channel.truncate(0) }.sink()) {
                 var totalBytesRead = 0L
                 override fun write(source: Buffer, byteCount: Long) {
                     super.write(source, byteCount)