WeAreDevelopers LIVE • Mar 19, 2024

Full Spectrum File Uploads

Austin Gil

Are your file uploads vulnerable to memory exhaustion and payload spoofing? Move beyond basic HTML forms. Build secure, scalable pipelines using S3 storage and asynchronous malware scanning.

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#1 about 4 min

Native HTML and HTTP fundamentals for file uploads

Properly configuring HTTP post requests and multipart form data allows websites to send files natively without relying on scripts.

#2 about 5 min

Enhancing file upload user experience using vanilla JavaScript

Intercepting form submissions with JavaScript prevents disruptive page reloads while preserving progressive enhancement and accessibility fallbacks.

#3 about 5 min

Receiving and processing streaming file uploads in Node.js

Handling raw byte buffers manually exhausts server memory quickly, making streaming libraries essential for safely processing heavy uploads.

#4 about 9 min

Scaling persistent storage with S3 compatible object storage

Migrating from constrained local disks to dedicated object storage via signed URLs or proxy streams heavily reduces infrastructure costs.

#5 about 4 min

Decreasing global file latency using content delivery networks

Caching uploaded assets at the network edge avoids localized latency issues when serving media to a globally distributed audience.

#6 about 4 min

Securing uploads through filename sanitization and extension validation

Implementing basic validations for file names, maximum sizes, and content types mitigates rudimentary application vulnerabilities and reduces storage waste.

#7 about 7 min

Architecting asynchronous malware scanning for uploaded file contents

Decoupling malware scans into background database jobs prevents slow request cycles while actively protecting applications from malicious user payloads.

Matching moments

1:33 min

Scanning secure file uploads to prevent malware payloads

Chris Heilmann +3 · LIVE

5:03 min

Securing file upload features against path traversal

Sebastian Leuer

Sebastian Leuer · World Congress 2024

34 sec

Handling binary file downloads through appropriate architectural layers

Gregor Bauer

Gregor Bauer · World Congress 2024

2:39 min

Validating untrusted storage uploads with serverless cloud functions

Reinhard Kugler · LIVE

3:07 min

Managing heavy JavaScript and CSS resource payloads

Shem Magnezi

Shem Magnezi · World Congress 2025

3:23 min

Answering audience questions on application testing and browser adoption

Rowdy Rabouw

Rowdy Rabouw · World Congress 2021

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Upcoming sessions on this topic

World Congress 2026 North America

September 23, 2026 · 15:45–17:45

Stage 10

Securing the Agentic Stack: Docker Hardened Images and Supply Chain Security

Ajeet Raina

Developer Advocate at Docker

Ajeet Raina

World Congress 2026 North America

September 24, 2026 · 11:40–12:10

Stage 3

Stop Running Mystery Meat in Production

Jeroen van Erp

Technical Advocate @ SUSE

Jeroen van Erp

World Congress 2026 North America

September 24, 2026 · 14:25–14:35

Outdoor Stage

SecurePrompt: Building a Pre-Flight Security Layer for Agentic AI

Ravi Sastry Kadali

AI/ML Engineer at General Motors

Ravi Sastry Kadali

World Congress 2026 North America

September 25, 2026 · 15:00–17:00

Stage 12

Secure development from pull request to production with GitHub

Sam Jarvinen

Senior Solutions Engineer, GitHub

Sam Jarvinen

World Congress 2026 North America

September 24, 2026 · 13:30–15:30

Stage 12

GitHub Actions

Austen Stone

Senior Field Actions Specialist, GitHub

Austen Stone

World Congress 2026 North America

September 25, 2026 · 13:30–14:00

Stage 9

On the Public Clock: Open-Source Defense When You're Not in the Club

Nicholas Muy

VP Engineering Platform and Security at Scrut.io

Nicholas Muy

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