s3 impl

src/s3/list-objects-v2.handler.ts

@@ -0,0 +1,55 @@
+import { Injectable } from '@nestjs/common';
+import * as Joi from 'joi';
+import { AbstractActionHandler, Format } from '../abstract-action.handler';
+import { Action } from '../action.enum';
+import { RequestContext } from '../_context/request.context';
+import { S3Service } from './s3.service';
+
+type QueryParams = {
+  Bucket: string;
+  Prefix?: string;
+  MaxKeys?: number;
+  'list-type'?: string;
+};
+
+@Injectable()
+export class ListObjectsV2Handler extends AbstractActionHandler<QueryParams> {
+  constructor(private readonly s3Service: S3Service) {
+    super();
+  }
+
+  format = Format.Xml;
+  action = Action.S3ListObjectsV2;
+  validator = Joi.object<QueryParams, true>({
+    Bucket: Joi.string().required(),
+    Prefix: Joi.string().default(''),
+    MaxKeys: Joi.number().default(1000),
+    'list-type': Joi.string().optional(),
+  });
+
+  protected async handle({ Bucket, Prefix, MaxKeys }: QueryParams, { awsProperties }: RequestContext) {
+    const { objects, isTruncated } = await this.s3Service.listObjects(Bucket, Prefix!, MaxKeys!);
+
+    const result: any = {
+      Name: Bucket,
+      Prefix: Prefix,
+      MaxKeys: MaxKeys,
+      IsTruncated: isTruncated,
+      KeyCount: objects.length,
+    };
+
+    // Only include Contents if there are objects, otherwise omit it
+    // AWS SDK will interpret missing Contents as empty array in some versions
+    if (objects.length > 0) {
+      result.Contents = objects.map(obj => ({
+        Key: obj.key,
+        LastModified: obj.updatedAt.toISOString(),
+        ETag: `"${obj.etag}"`,
+        Size: obj.size,
+        StorageClass: obj.storageClass,
+      }));
+    }
+
+    return result;
+  }
+}