Implement ban by phrase regexp, extend rehash command

* ban by blacklisted phrase regex-es
* rehash now works not only in rooms, but in private messages from rooms too

commands.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"slices"
 	"strings"
 
 	"github.com/davecgh/go-spew/spew"
@@ -128,6 +129,73 @@ func cmd(v xmpp.Chat) error {
 				}
 			}
 		case "chat":
+			room := (strings.SplitN(v.Remote, "/", 2))[0]
+
+			// Реагировать на приватную команду "из комнаты", только если бот в комнате
+			if slices.Contains(roomsConnected, room) {
+				var (
+					chosenOneTalks = false
+					listsLoaded    = true
+				)
+
+				// Реагировать на rehash только если собеседник является bot master-ом
+				realJID := getRealJIDfromNick(v.Remote)
+
+				for _, master := range config.Jabber.BotMasters {
+					if (strings.SplitN(realJID, "/", 2))[0] == master {
+						chosenOneTalks = true
+					}
+				}
+
+				if !chosenOneTalks {
+					log.Infof(
+						"Command %srehash given by non-bot_master user %s(%s), ignoring",
+						config.CSign,
+						realJID,
+						v.Remote,
+					)
+
+					return err
+				}
+
+				if err := readWhitelist(); err != nil {
+					listsLoaded = false
+
+					var msg xmpp.Chat
+					msg.Remote = v.Remote
+					msg.Type = v.Type
+					msg.Text = fmt.Sprint(err)
+
+					if _, err := talk.Send(msg); err != nil {
+						return err
+					}
+				}
+
+				if err := readBlacklist(); err != nil {
+					listsLoaded = false
+
+					var msg xmpp.Chat
+					msg.Remote = v.Remote
+					msg.Type = v.Type
+					msg.Text = fmt.Sprint(err)
+
+					if _, err := talk.Send(msg); err != nil {
+						return err
+					}
+				}
+
+				if listsLoaded {
+					var msg xmpp.Chat
+					msg.Remote = v.Remote
+					msg.Type = v.Type
+					msg.Text = "Сделано"
+
+					if _, err := talk.Send(msg); err != nil {
+						return err
+					}
+				}
+			}
+
 		default:
 			log.Infof("Rehash command from outer space: %s", spew.Sdump(v))
 		}