Hello

src/utils/config.ts

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+import path from 'node:path';
+import deepmerge from 'deepmerge';
+import YAML from 'yaml';
+// import * as TypesGameEntry from '../types/GameEntry.js';
+import * as TypesLogLevels from '../types/LogLevels.js';
+
+type Freeze<T> = Readonly<{
+  [P in keyof T]: T[P] extends object ? Freeze<T[P]> : T[P];
+}>;
+type AllRequired<T> = Required<{
+  [P in keyof T]: T[P] extends object ? Freeze<T[P]> : T[P];
+}>;
+
+type ConfigType = AllRequired<
+  Freeze<{
+    file: {
+      outputDirPath: string;
+    };
+    network: {
+      api: {
+        akEndfield: {
+          appCode: { osWinRel: string };
+          launcherAppCode: { osWinRel: string };
+          channel: { osWinRel: number };
+          base: {
+            accountService: string;
+            launcher: string;
+            u8: string;
+          };
+        };
+      };
+      userAgent: {
+        // UA to hide the fact that the access is from this tool
+        minimum: string;
+        chromeWindows: string;
+        curl: string;
+        ios: string;
+      };
+      timeout: number; // Network timeout
+      retryCount: number; // Number of retries for access failure
+    };
+    threadCount: {
+      // Upper limit on the number of threads for parallel processing
+      network: number; // network access
+    };
+    cli: {
+      autoExit: boolean; // Whether to exit the tool without waiting for key input when the exit code is 0
+    };
+    logger: {
+      // log4js-node logger settings
+      logLevel: TypesLogLevels.LogLevelNumber;
+      useCustomLayout: boolean;
+      customLayoutPattern: string;
+    };
+  }>
+>;
+
+const initialConfig: ConfigType = {
+  file: {
+    outputDirPath: path.resolve('output'),
+  },
+  network: {
+    api: {
+      akEndfield: {
+        appCode: { osWinRel: 'YDUTE5gscDZ229CW' },
+        launcherAppCode: { osWinRel: 'TiaytKBUIEdoEwRT' },
+        channel: { osWinRel: 6 },
+        base: {
+          accountService: 'YXMuZ3J5cGhsaW5lLmNvbQ==',
+          launcher: 'bGF1bmNoZXIuZ3J5cGhsaW5lLmNvbS9hcGk=',
+          u8: 'dTguZ3J5cGhsaW5lLmNvbQ==',
+        },
+      },
+    },
+    userAgent: {
+      minimum: 'Mozilla/5.0',
+      chromeWindows:
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36',
+      curl: 'curl/8.4.0',
+      ios: 'Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Mobile/15E148 Safari/604.1',
+    },
+    timeout: 20000,
+    retryCount: 5,
+  },
+  threadCount: { network: 16 },
+  cli: { autoExit: false },
+  logger: {
+    logLevel: 0,
+    useCustomLayout: true,
+    customLayoutPattern: '%[%d{hh:mm:ss.SSS} %-5.0p >%] %m',
+  },
+};
+
+const deobfuscator = (input: ConfigType): ConfigType => {
+  const newConfig = JSON.parse(JSON.stringify(input)) as any;
+  const api = newConfig.network.api.akEndfield;
+  for (const key of Object.keys(api.base) as (keyof typeof api.base)[]) {
+    api.base[key] = atob(api.base[key]);
+  }
+  return newConfig as ConfigType;
+};
+
+const filePath = 'config/config.yaml';
+
+if ((await Bun.file(filePath).exists()) === false) {
+  await Bun.write(filePath, YAML.stringify(initialConfig));
+}
+
+const config: ConfigType = await (async () => {
+  const rawFileData: ConfigType = YAML.parse(await Bun.file(filePath).text()) as ConfigType;
+  const mergedConfig = deepmerge(initialConfig, rawFileData, {
+    arrayMerge: (_destinationArray, sourceArray) => sourceArray,
+  });
+  if (JSON.stringify(rawFileData) !== JSON.stringify(mergedConfig)) {
+    await Bun.write(filePath, YAML.stringify(mergedConfig));
+  }
+  return deobfuscator(mergedConfig);
+})();
+
+export default config;