From 27f0c9e0f1b5c117ad1940150357b4ded3bc1388 Mon Sep 17 00:00:00 2001
From: Horis <821938089@qq.com>
Date: Mon, 19 Sep 2022 17:12:13 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96?=
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---
 .../io/legado/app/ui/book/read/config/BgTextConfigDialog.kt | 6 +++++-
 app/src/main/java/io/legado/app/utils/MD5Utils.kt           | 6 ++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
index 089070aee..8584638e5 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
@@ -353,7 +353,11 @@ class BgTextConfigDialog : BaseDialogFragment(R.layout.dialog_read_bg_text) {
     private fun setBgFromUri(uri: Uri) {
         readUri(uri) { fileDoc, inputStream ->
             var file = requireContext().externalFiles
-            file = FileUtils.createFileIfNotExist(file, "bg", fileDoc.name)
+            val suffix = fileDoc.name.substringAfterLast(".")
+            val fileName = uri.inputStream(requireContext())!!.use {
+                MD5Utils.md5Encode(it) + ".$suffix"
+            }
+            file = FileUtils.createFileIfNotExist(file, "bg", fileName)
             FileOutputStream(file).use { outputStream ->
                 inputStream.copyTo(outputStream)
             }
diff --git a/app/src/main/java/io/legado/app/utils/MD5Utils.kt b/app/src/main/java/io/legado/app/utils/MD5Utils.kt
index d018508fa..3cf170cf8 100644
--- a/app/src/main/java/io/legado/app/utils/MD5Utils.kt
+++ b/app/src/main/java/io/legado/app/utils/MD5Utils.kt
@@ -1,6 +1,8 @@
 package io.legado.app.utils
 
 import cn.hutool.crypto.digest.DigestUtil
+import java.io.InputStream
+
 /**
  * 将字符串转化为MD5
  */
@@ -11,6 +13,10 @@ object MD5Utils {
         return DigestUtil.digester("MD5").digestHex(str)
     }
 
+    fun md5Encode(inputStream: InputStream): String {
+        return DigestUtil.digester("MD5").digestHex(inputStream)
+    }
+
     fun md5Encode16(str: String): String {
         var reStr = md5Encode(str)
         reStr = reStr.substring(8, 24)