🔱: [server] sync upgrade with 21 commits [trident-sync]

Update README.md

packages/ui/certd-server/src/middleware/preview.ts

@@ -0,0 +1,50 @@
+import { Config, Provide } from '@midwayjs/decorator';
+import {
+  IMidwayKoaContext,
+  NextFunction,
+  IWebMiddleware,
+} from '@midwayjs/koa';
+import { PreviewException } from '../basic/exception/preview-exception';
+
+/**
+ * 预览模式
+ */
+@Provide()
+export class PreviewMiddleware implements IWebMiddleware {
+  @Config('preview.enabled')
+  private preview: boolean;
+
+  resolve() {
+    return async (ctx: IMidwayKoaContext, next: NextFunction) => {
+      if (!this.preview) {
+        await next();
+        return;
+      }
+      let { url, request } = ctx;
+      const body: any = request.body;
+      let id = body.id || request.query.id;
+      const roleId = body.roleId;
+      if (id == null && roleId != null) {
+        id = roleId;
+      }
+      if (id != null && typeof id === 'string') {
+        id = parseInt(id);
+      }
+      if (url.indexOf('?') !== -1) {
+        url = url.substring(0, url.indexOf('?'));
+      }
+      const isModify =
+        url.endsWith('update') ||
+        url.endsWith('delete') ||
+        url.endsWith('authz');
+      const isPreviewId = id < 1000;
+      if (this.preview && isModify && isPreviewId) {
+        throw new PreviewException(
+          '对不起，预览环境不允许修改此数据，如需体验请添加新数据'
+        );
+      }
+      await next();
+      return;
+    };
+  }
+}