Fix: Ensure utf-8 encoding & path cleanup.

packages/tosu/src/instances/lazerInstance.ts

@@ -10,6 +10,7 @@ import {
 import { LazerMemory } from '@/memory/lazer';
 import { Gameplay } from '@/states/gameplay';
 import { Global } from '@/states/global';
+import { cleanPath } from '@/utils/converters';
 
 import { AbstractInstance } from '.';
 
@@ -58,7 +59,7 @@ export class LazerInstance extends AbstractInstance {
 
                 if (!global.gameFolder) {
                     global.setGameFolder(this.path);
-                    global.setSongsFolder(global.memorySongsFolder);
+                    global.setSongsFolder(cleanPath(global.memorySongsFolder));
                 }
 
                 // update important data before doing rest

packages/tosu/src/instances/osuInstance.ts

@@ -7,12 +7,12 @@ import {
     wLogger
 } from '@tosu/common';
 import fs from 'fs';
-import path from 'path';
 
 import { AbstractInstance } from '@/instances/index';
 import { StableMemory } from '@/memory/stable';
 import { Gameplay } from '@/states/gameplay';
 import { Global } from '@/states/global';
+import { cleanPath } from '@/utils/converters';
 
 export class OsuInstance extends AbstractInstance {
     gameOverlayAllowed = true;
@@ -61,14 +61,16 @@ export class OsuInstance extends AbstractInstance {
                 }
 
                 if (!global.gameFolder) {
-                    global.setGameFolder(this.path);
+                    global.setGameFolder(cleanPath(this.path));
 
                     // condition when user have different BeatmapDirectory in osu! config
-                    if (fs.existsSync(global.memorySongsFolder)) {
-                        global.setSongsFolder(global.memorySongsFolder);
+                    if (fs.existsSync(cleanPath(global.memorySongsFolder))) {
+                        global.setSongsFolder(
+                            cleanPath(global.memorySongsFolder)
+                        );
                     } else {
                         global.setSongsFolder(
-                            path.join(this.path, global.memorySongsFolder)
+                            cleanPath(this.path, global.memorySongsFolder)
                         );
                     }
                 }

packages/tosu/src/states/beatmap.ts

@@ -3,12 +3,11 @@ import { ClientType, config, wLogger } from '@tosu/common';
 import fs from 'fs';
 import { Beatmap as ParsedBeatmap, TimingPoint } from 'osu-classes';
 import { BeatmapDecoder } from 'osu-parsers';
-import path from 'path';
 
 import { BeatmapStrains } from '@/api/types/v1';
 import { AbstractInstance } from '@/instances';
 import { AbstractState } from '@/states';
-import { fixDecimals } from '@/utils/converters';
+import { cleanPath, fixDecimals } from '@/utils/converters';
 import { removeDebuffMods } from '@/utils/osuMods';
 import { CalculateMods, ModsLazer } from '@/utils/osuMods.types';
 
@@ -316,9 +315,9 @@ export class BeatmapPP extends AbstractState {
                     `beatmapPP updateMapMetadata`,
                     `Skip osu! music theme file`,
                     {
-                        SongsFolder: global.songsFolder,
-                        Folder: menu.folder,
-                        Path: menu.filename
+                        SongsFolder: cleanPath(global.songsFolder),
+                        Folder: cleanPath(menu.folder),
+                        Path: cleanPath(menu.filename)
                     }
                 );
                 return;
@@ -331,18 +330,18 @@ export class BeatmapPP extends AbstractState {
                     `beatmapPP updateMapMetadata`,
                     `Skip new map creation`,
                     {
-                        SongsFolder: global.songsFolder,
-                        Folder: menu.folder,
-                        Path: menu.filename
+                        SongsFolder: cleanPath(global.songsFolder),
+                        Folder: cleanPath(menu.folder),
+                        Path: cleanPath(menu.filename)
                     }
                 );
                 return;
             }
 
-            const mapPath = path.join(
-                global.songsFolder.trim(),
-                menu.folder.trim(),
-                menu.filename.trim()
+            const mapPath = cleanPath(
+                global.songsFolder,
+                menu.folder,
+                menu.filename
             );
 
             try {

packages/tosu/src/utils/converters.ts

@@ -76,3 +76,19 @@ export const numberFromDecimal = (
 
     return value;
 };
+
+/**
+ * Joins multiple paths into a single path, replacing invalid path characters in the process.
+ *
+ * @param {...string[]} paths Paths to join
+ * @returns {string} Joined path
+ */
+export const cleanPath = (...paths: string[]): string => {
+    paths = paths.map((path) =>
+        Buffer.from(path.trim())
+            .toString('utf8')
+            .replace(process.platform === 'win32' ? /[<>:"|?*]/g : /\//g, '')
+    );
+
+    return paths.join(...paths);
+};