chore: import upstream snapshot with attribution

apps/sim/app/api/tools/s3/list-objects/route.ts

@@ -0,0 +1,101 @@
+import { ListObjectsV2Command, S3Client } from '@aws-sdk/client-s3'
+import { createLogger } from '@sim/logger'
+import { getErrorMessage } from '@sim/utils/errors'
+import { type NextRequest, NextResponse } from 'next/server'
+import { awsS3ListObjectsContract } from '@/lib/api/contracts/tools/aws/s3-list-objects'
+import { parseToolRequest } from '@/lib/api/server'
+import { checkInternalAuth } from '@/lib/auth/hybrid'
+import { generateRequestId } from '@/lib/core/utils/request'
+import { withRouteHandler } from '@/lib/core/utils/with-route-handler'
+
+export const dynamic = 'force-dynamic'
+
+const logger = createLogger('S3ListObjectsAPI')
+
+export const POST = withRouteHandler(async (request: NextRequest) => {
+  const requestId = generateRequestId()
+
+  try {
+    const authResult = await checkInternalAuth(request, { requireWorkflowId: false })
+
+    if (!authResult.success) {
+      logger.warn(`[${requestId}] Unauthorized S3 list objects attempt: ${authResult.error}`)
+      return NextResponse.json(
+        {
+          success: false,
+          error: authResult.error || 'Authentication required',
+        },
+        { status: 401 }
+      )
+    }
+
+    logger.info(`[${requestId}] Authenticated S3 list objects request via ${authResult.authType}`, {
+      userId: authResult.userId,
+    })
+
+    const parsed = await parseToolRequest(awsS3ListObjectsContract, request, {
+      errorFormat: 'details',
+      logger,
+    })
+    if (!parsed.success) return parsed.response
+    const validatedData = parsed.data.body
+
+    logger.info(`[${requestId}] Listing S3 objects`, {
+      bucket: validatedData.bucketName,
+      prefix: validatedData.prefix || '(none)',
+      maxKeys: validatedData.maxKeys || 1000,
+    })
+
+    // Initialize S3 client
+    const s3Client = new S3Client({
+      region: validatedData.region,
+      credentials: {
+        accessKeyId: validatedData.accessKeyId,
+        secretAccessKey: validatedData.secretAccessKey,
+      },
+    })
+
+    // List objects
+    const listCommand = new ListObjectsV2Command({
+      Bucket: validatedData.bucketName,
+      Prefix: validatedData.prefix || undefined,
+      MaxKeys: validatedData.maxKeys || undefined,
+      ContinuationToken: validatedData.continuationToken || undefined,
+    })
+
+    const result = await s3Client.send(listCommand)
+
+    const objects = (result.Contents || []).map((obj) => ({
+      key: obj.Key || '',
+      size: obj.Size || 0,
+      lastModified: obj.LastModified?.toISOString() || '',
+      etag: obj.ETag || '',
+    }))
+
+    logger.info(`[${requestId}] Listed ${objects.length} objects`, {
+      bucket: validatedData.bucketName,
+      isTruncated: result.IsTruncated,
+    })
+
+    return NextResponse.json({
+      success: true,
+      output: {
+        objects,
+        isTruncated: result.IsTruncated,
+        nextContinuationToken: result.NextContinuationToken,
+        keyCount: result.KeyCount,
+        prefix: validatedData.prefix,
+      },
+    })
+  } catch (error) {
+    logger.error(`[${requestId}] Error listing S3 objects:`, error)
+
+    return NextResponse.json(
+      {
+        success: false,
+        error: getErrorMessage(error, 'Internal server error'),
+      },
+      { status: 500 }
+    )
+  }
+})