From 3af8e395bd6f48ee7ed39011115dc190fa99a7e0 Mon Sep 17 00:00:00 2001
From: Mitchell Syer <Syer10@users.noreply.github.com>
Date: Thu, 23 Jan 2025 09:38:52 -0500
Subject: [PATCH] Check if file exists (#1246)

---
 .../suwayomi/tachidesk/graphql/server/TemporaryFileStorage.kt  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/server/src/main/kotlin/suwayomi/tachidesk/graphql/server/TemporaryFileStorage.kt b/server/src/main/kotlin/suwayomi/tachidesk/graphql/server/TemporaryFileStorage.kt
index 0bc4e4c1..d45b634f 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/graphql/server/TemporaryFileStorage.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/graphql/server/TemporaryFileStorage.kt
@@ -11,6 +11,7 @@ import kotlin.concurrent.thread
 import kotlin.io.path.ExperimentalPathApi
 import kotlin.io.path.deleteIfExists
 import kotlin.io.path.deleteRecursively
+import kotlin.io.path.exists
 import kotlin.io.path.name
 import kotlin.io.path.outputStream
 import kotlin.time.Duration.Companion.days
@@ -46,7 +47,7 @@ object TemporaryFileStorage {
 
     fun retrieveFile(name: String): Path {
         val file = folder.resolve(name).normalize()
-        check(file.startsWith(folder)) {
+        check(file.startsWith(folder) && file.exists()) {
             "File $name is not in ${folder.name}"
         }
         return file