Accessing private objects in AWS S3 sometimes requires providing temporary access without altering object visibility. Presigned URLs are a means to this end, granting short-lived access for tasks such as sharing or one-time access.
Prerequisites:
- AWS Account: You need to have an AWS account. If not, sign up for one here.
- Node.js: Ensure Node.js is installed.
- AWS SDK v3: Install the AWS SDK for JavaScript v3. This can be done via npm:
npm install @aws-sdk/client-s3 @aws-sdk/s3-request-presigner
Generating the Presigned URL:
Here’s a simple Node.js function to generate a presigned URL: