From d3157148246a2e8aedee8165973c989d270c7c15 Mon Sep 17 00:00:00 2001
From: Luke100000 <jonas.peche@aon.at>
Date: Mon, 11 Nov 2024 10:02:05 +0100
Subject: [PATCH] fixed #1017

---
 changelog.md                                  |  7 ++-
 .../client/gui/immersive_library/Auth.java    | 44 +++++++------------
 2 files changed, 23 insertions(+), 28 deletions(-)

diff --git a/changelog.md b/changelog.md
index f558cd2aa1..00542dd9f9 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+# 7.5.21
+
+* Fixed Library Auth when updating from older version
+
 # 7.5.20
 
 * Fixed Library Auth
@@ -31,7 +35,8 @@
 
 # 7.5.15
 
-* Merged [Inworld integration](https://github.com/Luke100000/minecraft-comes-alive/wiki/GPT3-based-conversations) branch (thanks CSCMe!)
+* Merged [Inworld integration](https://github.com/Luke100000/minecraft-comes-alive/wiki/GPT3-based-conversations)
+  branch (thanks CSCMe!)
 * Fixed incompatibility with Cobblemon (thanks Apion!)
 * Fixed AI issues with Grim Reapers, causing him to go much higher than intended
 * Fixed issues when using Arabic numerals
diff --git a/common/src/main/java/net/mca/client/gui/immersive_library/Auth.java b/common/src/main/java/net/mca/client/gui/immersive_library/Auth.java
index 2b1035ed06..cbbf53e576 100644
--- a/common/src/main/java/net/mca/client/gui/immersive_library/Auth.java
+++ b/common/src/main/java/net/mca/client/gui/immersive_library/Auth.java
@@ -6,12 +6,10 @@
 import net.minecraft.util.Util;
 
 import javax.annotation.Nullable;
-import java.io.BufferedWriter;
-import java.io.File;
-import java.io.FileWriter;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -32,7 +30,7 @@ private static String newToken() {
     @Nullable
     public static String loadToken() {
         try {
-            return Files.readString(Paths.get("./immersiveLibraryToken"));
+            return Files.readString(Paths.get("./immersiveLibraryToken_v2"));
         } catch (IOException e) {
             return null;
         }
@@ -52,7 +50,7 @@ public static boolean hasToken() {
 
     public static void saveToken() {
         try {
-            Files.writeString(Paths.get("./immersiveLibraryToken"), currentToken);
+            Files.writeString(Paths.get("./immersiveLibraryToken_v2"), currentToken);
         } catch (IOException e) {
             MCA.LOGGER.error(e);
         }
@@ -60,13 +58,7 @@ public static void saveToken() {
 
     public static void clearToken() {
         //noinspection ResultOfMethodCallIgnored
-        Paths.get("./immersiveLibraryToken").toFile().delete();
-    }
-
-    private static void write(String path, String content) throws IOException {
-        try (BufferedWriter writer = new BufferedWriter(new FileWriter(path))) {
-            writer.write(content);
-        }
+        Paths.get("./immersiveLibraryToken_v2").toFile().delete();
     }
 
     public static String sha256(String input) {
@@ -93,26 +85,24 @@ public static String createDataState(String username, String token) {
     }
 
     public static void authenticate(String username) {
-        try {
-            String tmpdir = Files.createTempDirectory("immersive_library").toFile().getAbsolutePath();
+        // The unique, private token used to authenticate once authorized
+        currentToken = newToken();
 
-            // The unique, private token used to authenticate once authorized
-            currentToken = newToken();
+        // Inject token into request
+        String content = RES_PAGE;
+        content = content.replace("{URL}", Config.getInstance().immersiveLibraryUrl);
+        content = content.replace("{STATE}", createDataState(username, currentToken));
 
-            // Store new token
-            saveToken();
-
-            // Inject token into request
-            String content = RES_PAGE;
-            content = content.replace("{URL}", Config.getInstance().immersiveLibraryUrl);
-            content = content.replace("{STATE}", createDataState(username, currentToken));
-            write(tmpdir + "/page.html", content);
-
-            // Open the authorization URL in the user's default web browser
-            Util.getOperatingSystem().open((new File(tmpdir + "/page.html")).toURI());
+        // Save page
+        Path pageFile = Path.of("./immersiveLibraryAuthPage.html");
+        try {
+            Files.writeString(pageFile, content);
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
+
+        // Open the authorization URL in the user's default web browser
+        Util.getOperatingSystem().open(pageFile.toUri());
     }
 
     private static final String RES_PAGE = """