feat: data export and import

src/app/api/admin/data_migration/import/route.ts

@@ -0,0 +1,139 @@
+/* eslint-disable @typescript-eslint/no-explicit-any,no-console */
+
+import { NextRequest, NextResponse } from 'next/server';
+import { promisify } from 'util';
+import { gunzip } from 'zlib';
+
+import { getAuthInfoFromCookie } from '@/lib/auth';
+import { SimpleCrypto } from '@/lib/crypto';
+import { db } from '@/lib/db';
+
+const gunzipAsync = promisify(gunzip);
+
+export async function POST(req: NextRequest) {
+  try {
+    // 检查存储类型
+    const storageType = process.env.NEXT_PUBLIC_STORAGE_TYPE || 'localstorage';
+    if (storageType === 'localstorage') {
+      return NextResponse.json(
+        { error: '不支持本地存储进行数据迁移' },
+        { status: 400 }
+      );
+    }
+
+    // 验证身份和权限
+    const authInfo = getAuthInfoFromCookie(req);
+    if (!authInfo || !authInfo.username) {
+      return NextResponse.json({ error: '未登录' }, { status: 401 });
+    }
+
+    // 检查用户权限（只有站长可以导入数据）
+    if (authInfo.username !== process.env.USERNAME) {
+      return NextResponse.json({ error: '权限不足，只有站长可以导入数据' }, { status: 401 });
+    }
+
+    // 解析表单数据
+    const formData = await req.formData();
+    const file = formData.get('file') as File;
+    const password = formData.get('password') as string;
+
+    if (!file) {
+      return NextResponse.json({ error: '请选择备份文件' }, { status: 400 });
+    }
+
+    if (!password) {
+      return NextResponse.json({ error: '请提供解密密码' }, { status: 400 });
+    }
+
+    // 读取文件内容
+    const encryptedData = await file.text();
+
+    // 解密数据
+    let decryptedData: string;
+    try {
+      decryptedData = SimpleCrypto.decrypt(encryptedData, password);
+    } catch (error) {
+      return NextResponse.json({ error: '解密失败，请检查密码是否正确' }, { status: 400 });
+    }
+
+    // 解压缩数据
+    const compressedBuffer = Buffer.from(decryptedData, 'base64');
+    const decompressedBuffer = await gunzipAsync(compressedBuffer);
+    const decompressedData = decompressedBuffer.toString();
+
+    // 解析JSON数据
+    let importData: any;
+    try {
+      importData = JSON.parse(decompressedData);
+    } catch (error) {
+      return NextResponse.json({ error: '备份文件格式错误' }, { status: 400 });
+    }
+
+    // 验证数据格式
+    if (!importData.data || !importData.data.adminConfig || !importData.data.userData) {
+      return NextResponse.json({ error: '备份文件格式无效' }, { status: 400 });
+    }
+
+    // 开始导入数据 - 先清空现有数据
+    await db.clearAllData();
+
+    // 导入管理员配置
+    await db.saveAdminConfig(importData.data.adminConfig);
+
+    // 导入用户数据
+    const userData = importData.data.userData;
+    for (const username in userData) {
+      const user = userData[username];
+
+      // 重新注册用户（包含密码）
+      if (user.password) {
+        await db.registerUser(username, user.password);
+      }
+
+      // 导入播放记录
+      if (user.playRecords) {
+        for (const [key, record] of Object.entries(user.playRecords)) {
+          await (db as any).storage.setPlayRecord(username, key, record);
+        }
+      }
+
+      // 导入收藏夹
+      if (user.favorites) {
+        for (const [key, favorite] of Object.entries(user.favorites)) {
+          await (db as any).storage.setFavorite(username, key, favorite);
+        }
+      }
+
+      // 导入搜索历史
+      if (user.searchHistory && Array.isArray(user.searchHistory)) {
+        for (const keyword of user.searchHistory.reverse()) { // 反转以保持顺序
+          await db.addSearchHistory(username, keyword);
+        }
+      }
+
+      // 导入跳过片头片尾配置
+      if (user.skipConfigs) {
+        for (const [key, skipConfig] of Object.entries(user.skipConfigs)) {
+          const [source, id] = key.split('+');
+          if (source && id) {
+            await db.setSkipConfig(username, source, id, skipConfig as any);
+          }
+        }
+      }
+    }
+
+    return NextResponse.json({
+      message: '数据导入成功',
+      importedUsers: Object.keys(userData).length,
+      timestamp: importData.timestamp,
+      serverVersion: typeof importData.serverVersion === 'string' ? importData.serverVersion : '未知版本'
+    });
+
+  } catch (error) {
+    console.error('数据导入失败:', error);
+    return NextResponse.json(
+      { error: error instanceof Error ? error.message : '导入失败' },
+      { status: 500 }
+    );
+  }
+}