[Bug] If the Username contains /...

[wubinworks]

Describe the bug
Cannot change Username if Username contains /
/ is invalid char for Username.

To Reproduce
Steps to reproduce the behavior:

1. Login as admin and create a new user has abcd as Username.
2. Update the Username to ab/cd.
3. Now, you cannot change ab/cd to anything else. (Error message: Not found)

Environment

• FileGator Version: 7.9.3
• Server: Apache 2.4 on Ubuntu
• PHP Version: PHP 8.2
• Browser: Firefox

Additional context

Cause:

http://localhost/?r=/updateuser/ab/cd
the last / caused routing issue.

Suggestion:

As Username is the ID in this system, I suggest limiting the valid char to A-Za-z0-9-_.@.