feat: 为反检测做准备

packages/napcat-core/packet/handler/napi2nativeLoader.ts

@@ -0,0 +1,79 @@
+import path, { dirname } from 'path';
+import { fileURLToPath } from 'url';
+import fs from 'fs';
+import { constants } from 'node:os';
+import { LogWrapper } from '../../helper/log';
+
+export interface Napi2NativeExportType {
+  initHook?: (send: string, recv: string) => boolean;
+}
+
+export class Napi2NativeLoader {
+  private readonly supportedPlatforms = ['win32.x64', 'linux.x64', 'linux.arm64', 'darwin.x64', 'darwin.arm64'];
+  private readonly exports: { exports: Napi2NativeExportType; } = { exports: {} };
+  protected readonly logger: LogWrapper;
+  private _loaded: boolean = false;
+
+  constructor ({ logger }: { logger: LogWrapper; }) {
+    this.logger = logger;
+    this.load();
+  }
+
+  private load (): void {
+    const platform = process.platform + '.' + process.arch;
+
+    if (!this.supportedPlatforms.includes(platform)) {
+      this.logger.logWarn(`Napi2NativeLoader: 不支持的平台: ${platform}`);
+      this._loaded = false;
+      return;
+    }
+
+    const nativeModulePath = path.join(
+      dirname(fileURLToPath(import.meta.url)),
+      './native/napi2native/napi2native.' + platform + '.node'
+    );
+
+    if (!fs.existsSync(nativeModulePath)) {
+      this.logger.logWarn(`Napi2NativeLoader: 缺失运行时文件: ${nativeModulePath}`);
+      this._loaded = false;
+      return;
+    }
+
+    try {
+      process.dlopen(this.exports, nativeModulePath, constants.dlopen.RTLD_LAZY);
+      this._loaded = true;
+      this.logger.log('[Napi2NativeLoader] 加载成功');
+    } catch (error) {
+      this.logger.logError('Napi2NativeLoader 加载出错:', error);
+      this._loaded = false;
+    }
+  }
+
+  get loaded (): boolean {
+    return this._loaded;
+  }
+
+  get nativeExports (): Napi2NativeExportType {
+    return this.exports.exports;
+  }
+
+  /**
+   * 初始化 Hook
+   * @param send send 偏移地址
+   * @param recv recv 偏移地址
+   * @returns 是否初始化成功
+   */
+  initHook (send: string, recv: string): boolean {
+    if (!this._loaded) {
+      this.logger.logWarn('Napi2NativeLoader 未成功加载，无法初始化 Hook');
+      return false;
+    }
+
+    try {
+      return this.nativeExports.initHook?.(send, recv) ?? false;
+    } catch (error) {
+      this.logger.logError('Napi2NativeLoader initHook 出错:', error);
+      return false;
+    }
+  }
+}