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package config
import (
"fmt"
"os"
"golang.org/x/sys/unix"
)
// App struct contains the configuration for this application
type App struct {
// WorkingDirectory is the program working directory where the user data, save files and scores are stored
WorkingDirectory string `yaml:"WorkingDirectory"`
// MaxUsers is the maximum amount of registered users to allow
MaxUsers int `yaml:"MaxUsers"`
// AllowRegistration allows registration of new users
AllowRegistration bool `yaml:"AllowRegistration"`
// MaxNickLen Maximum length for a nickname
MaxNickLen int `yaml:"MaxNickLen"`
// MenuMaxIdleTime is the maximum number of seconds a user can be idle on the menu before the program exits
MenuMaxIdleTime int `yaml:"MenuMaxIdleTime"`
// PostLoginCommands is the list of commands to execute upon login, like creating save directories for games
PostLoginCommands []string `yaml:"PostLoginCommands"`
// TODO admin contact
}
func (a *App) validate() error {
// WorkingDirectory
if err := os.MkdirAll(a.WorkingDirectory, 0700); err != nil {
return fmt.Errorf("Invalid WorkingDirectory %s : %w", a.WorkingDirectory, err)
}
if err := unix.Access(a.WorkingDirectory, unix.W_OK|unix.R_OK|unix.X_OK); err != nil {
return fmt.Errorf("invalid WorkingDirectory %s : %w", a.WorkingDirectory, err)
}
// MaxUsers
if a.MaxUsers <= 0 {
return fmt.Errorf("MaxUsers must be a positive integer")
}
// AllowRegistration is just a bool, nothing to validate
// MaxNickLen
if a.MaxNickLen <= 0 {
return fmt.Errorf("MaxNickLen must be a positive integer")
}
// MenuMaxIdleTime
if a.MenuMaxIdleTime <= 0 {
return fmt.Errorf("MenuMaxIdleTime must be a positive integer")
}
// PostLoginCommands
for i := 0; i < len(a.PostLoginCommands); i++ {
if err := validateCommand(a.PostLoginCommands[i]); err != nil {
return fmt.Errorf("Failed to validate PostLoginCommands : %w", err)
}
}
return nil
}
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