Username validation - Script crashes if invalid

[bastian-schur]

Describe the bug
The setup wizard asks for my username without giving any information about the validation. I used a "!" symbol in my username and the script crahes on Seeder:

In Model.php line 53:

Could not save Pterodactyl\Models\User[]: failed to validate data: {"username":["The username must start and end wi
th alpha-numeric characters and\n contain only letters, numbers, dashes, underscores, and periods."]
}

To Reproduce
Steps to reproduce the behaviour:

Use a username with an invalid character like "!"

Expected behaviour
A username validation would be geat

Screenshots
If applicable, add screenshots to help explain your problem.

OS (please complete the following information):
Ubuntu 22.04

[vilhelmprytz]

This is very true. We currently perform no validation on usernames. Thanks for reporting.