This server allows viewing of attachments in online Zotero libraries. There are two types of attachments supported:

• Single files (e.g., PDFs): Streamed directly from S3.
• Zipped webpage snapshots: Downloaded from S3 and mounted while user is loading the webpage snapshot. After a while the ZIP file is unmounted and deleted.

git clone https://github.com/zotero/attachment-proxy
cd attachment-proxy
npm install

cp config/sample-config.js config/default.js

Configure HMAC secret key and S3 Bucket (and accessKeyId and secretAccessKey if not using an IAM role)

npm start

npm test
npm run stress