story

Weird S3 List Permission

S3's file storage system employs a flat namespace architecture, where all objects are stored as key-value pairs without hierarchical folders. While most interfaces simulate folder hierarchies using / as a path delimiter, this abstraction can introduce security risks when designing access policies for list operations. June 20, 2021

Browser Scratch File Editor

Developers often require ephemeral scratch files for temporary note-taking during workflow without the overhead of context switching. To address this need, a browser-native text editor solution leverages data URLs to create lightweight, on-the-fly text editors. July 22, 2020

Linux Input Injection Through Unusual Methods

For people familiar with Unix philosophy, ["Everything is a file"][everyting_is_file] is a common phrase. Rarely do we get a case to use it in practice. This is one of those cases. July 18, 2020
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