GET Image Endpoint

GET /images/{imageId}

Overview

Retrieve metadata and a temporary download URL for a single specific image belonging to the authenticated user.

Prerequisites

• Valid JWT token
• Image must exist for the user in DynamoDB

Implementation / Steps

1. Extract the authenticated user_id.
2. Query DynamoDB using userId and imageId.
3. Validate that the item exists.
4. Ensure required fields (tags, s3Key) are present.
5. Generate a presigned S3 URL for download.
6. Return tags and the download URL.

Key Takeaways

• Returns only user-owned images.
• Missing items result in a 404 error.
• Presigned URLs expire (default: 1 hour).