Callback-url-file-3a-2f-2f-2fproc-2fself-2fenviron [TOP]

The URL is: callback-url-file:///proc/self/environ

What a delightfully encoded URL! Let's decode it and create a full story around it. callback-url-file-3A-2F-2F-2Fproc-2Fself-2Fenviron

Here's a story:

Which translates to a file path on a Linux system: /proc/self/environ callback-url-file-3A-2F-2F-2Fproc-2Fself-2Fenviron