Add user login to admin interface

internal/wisski/ingredient/php/extras/users.go

@@ -0,0 +1,34 @@
+package extras
+
+import (
+	_ "embed"
+
+	"github.com/FAU-CDI/wisski-distillery/internal/phpx"
+	"github.com/FAU-CDI/wisski-distillery/internal/status"
+	"github.com/FAU-CDI/wisski-distillery/internal/wisski/ingredient"
+	"github.com/FAU-CDI/wisski-distillery/internal/wisski/ingredient/php"
+)
+
+type Users struct {
+	ingredient.Base
+
+	PHP *php.PHP
+}
+
+//go:embed users.php
+var usersPHP string
+
+// All returns all known usernames
+func (u *Users) All(server *phpx.Server) (users []string, err error) {
+	err = u.PHP.ExecScript(server, &users, usersPHP, "list_users")
+	return
+}
+
+func (u *Users) Fetch(flags ingredient.FetcherFlags, info *status.WissKI) (err error) {
+	if flags.Quick {
+		return
+	}
+
+	info.Users, _ = u.All(flags.Server)
+	return
+}