Jan 8, 2021 · Frontend Development

File Upload Techniques: From Basic Validation to Advanced Resumable Uploads

This article surveys web file‑upload strategies, from basic Blob/File handling and pre‑upload validation—including MIME, extension, and binary header checks—to advanced techniques such as chunked transfers, progress tracking, resumable uploads with pause/resume, and optional compression or encryption via CDN services.

FormDatabinary analysischunked upload

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File Upload Techniques: From Basic Validation to Advanced Resumable Uploads

Java High-Performance Architecture

Dec 27, 2015 · Information Security

How to Use File Magic Numbers to Secure File Uploads in Java

This article explains why relying on file extensions is unsafe, introduces the concept of file magic numbers, lists common file signatures, and provides Java code to read the first 28 bytes of an uploaded file for robust type verification, reducing upload vulnerabilities.

file uploadfile validationmagic numbers

0 likes · 2 min read

How to Use File Magic Numbers to Secure File Uploads in Java