📁 Dropbox File Upload API I

📁 Dropbox File Upload API

Build a simple Dropbox-like file upload service that allows users to upload, list, download, and delete files using a RESTful API.

🧠 Project Description

Your task is to implement an API that allows users to:

• Upload files via multipart/form-data
• Retrieve a list of uploaded files
• Download a specific file by its ID
• Delete uploaded files by ID

This API should handle edge cases like large files, invalid MIME types, missing files, and invalid IDs.

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📦 API Endpoints

✅ POST /api/files/upload

Upload a file to the server.

• Content-Type: multipart/form-data
• Body Parameters:
  • file: The file to upload (required)
• Success Response (201):

  {
    "fileId": "string",
    "filename": "string",
    "size": 12345,
    "mimeType": "text/plain",
    "createdAt": "2025-04-06T12:00:00Z"
  }

---

📂 GET /api/files

List all uploaded files for the current user.

• Success Response (200):

  [
    {
      "fileId": "string",
      "filename": "string",
      "size": 12345,
      "mimeType": "image/png",
      "createdAt": "2025-04-06T12:00:00Z"
    }
  ]

---

📥 GET /api/files/:fileId

Download a file by its ID.

• Path Parameter: fileId (string)
• Success Response (200):
  • Content-Type: application/octet-stream
  • Body: Raw file stream

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🗑️ DELETE /api/files/:fileId

Delete a file by its ID.

• Path Parameter: fileId (string)
• Success Response (200):

  {
    "message": "File deleted successfully"
  }