From 661aa63f9feaf9c8e5a5c202793c0c9610fea9f7 Mon Sep 17 00:00:00 2001
From: yinsx <yinsx@163.com>
Date: Mon, 5 Jan 2026 16:26:24 +0800
Subject: [PATCH] =?UTF-8?q?=E7=A7=BB=E9=99=A4=E9=83=A8=E5=88=86=E4=BB=A3?=
 =?UTF-8?q?=E7=A0=81?=
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---
 src/utils/compressor.ts | 25 --------------
 src/utils/cryptor.ts    | 73 -----------------------------------------
 2 files changed, 98 deletions(-)
 delete mode 100644 src/utils/compressor.ts
 delete mode 100644 src/utils/cryptor.ts

diff --git a/src/utils/compressor.ts b/src/utils/compressor.ts
deleted file mode 100644
index cb513a4..0000000
--- a/src/utils/compressor.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-/**
- * @file compressor.js
- * @description 解压缩工具，使用pako完成与GoBetterStudio相同的deflate/raw解码
- */
-
-import pako from 'pako';
-
-const decoder = new TextDecoder();
-
-export const compressor = {
-    /** 压缩字符串或字节数据 */
-    compress(data: Uint8Array | string): Uint8Array {
-        const source = typeof data === 'string' ? new TextEncoder().encode(data) : data;
-        return pako.deflateRaw(source);
-    },
-
-    /** 解压缩字节数据并返回字符串 */
-    decompress(data: ArrayBuffer | Uint8Array): string {
-        const input = data instanceof Uint8Array ? data : new Uint8Array(data);
-        const uncompressed = pako.inflateRaw(input);
-        return decoder.decode(uncompressed);
-    }
-};
-
-export default compressor;
diff --git a/src/utils/cryptor.ts b/src/utils/cryptor.ts
deleted file mode 100644
index d7e7834..0000000
--- a/src/utils/cryptor.ts
+++ /dev/null
@@ -1,73 +0,0 @@
-import md5 from 'js-md5';
-
-const KEY_SIZE = 256 / 32;
-const ITERATIONS = 1000;
-
-type EncryptedAsset = {
-    value: Uint8Array;
-    Timestamp: string;
-};
-
-type Credential = {
-    token: string;
-    uid: string;
-};
-
-type CryptoMaterial = {
-    obj: Uint8Array;
-    iv: Uint8Array;
-    salt: Uint8Array;
-    key: string;
-};
-
-function prepareCryptoMaterial(data: EncryptedAsset, info: Credential): CryptoMaterial {
-    const userIdPrefix = info.uid.slice(0, 16);
-    const iv = new TextEncoder().encode(userIdPrefix);
-    const obj = data.value.slice(7);
-    const saltHex = md5(`${info.token}${data.Timestamp}`);
-    const saltBytes = new Uint8Array((saltHex.match(/.{1,2}/g) ?? []).map(byte => parseInt(byte, 16)));
-    return { obj, iv, salt: saltBytes, key: info.token };
-}
-
-/** 从服务器返回的数据中异步解密出原始GLTF内容 */
-export async function decryptAsync(data: EncryptedAsset, info: Credential): Promise<ArrayBuffer | null> {
-    const { obj, iv, salt, key } = prepareCryptoMaterial(data, info);
-    const derivedKey = await generateAesKeyAsync(key, salt, KEY_SIZE, ITERATIONS);
-    return aesDecryptAsync(obj, derivedKey, iv);
-}
-
-async function generateAesKeyAsync(secret: string, salt: Uint8Array, keySize: number, iterations: number): Promise<CryptoKey> {
-    const passwordBuffer = new TextEncoder().encode(secret);
-    const baseKey = await crypto.subtle.importKey(
-        'raw',
-        passwordBuffer,
-        { name: 'PBKDF2' },
-        false,
-        ['deriveBits', 'deriveKey']
-    );
-    return crypto.subtle.deriveKey(
-        {
-            name: 'PBKDF2',
-            salt,
-            iterations,
-            hash: 'SHA-1'
-        },
-        baseKey,
-        { name: 'AES-CBC', length: keySize * 32 },
-        false,
-        ['decrypt']
-    );
-}
-
-async function aesDecryptAsync(data: Uint8Array, key: CryptoKey, iv: Uint8Array): Promise<ArrayBuffer | null> {
-    try {
-        return await crypto.subtle.decrypt(
-            { name: 'AES-CBC', iv },
-            key,
-            data
-        );
-    } catch (error) {
-        console.error('解密失败:', error);
-        return null;
-    }
-}