added input sanitization

chatbot/chatbot.go

@@ -6,6 +6,7 @@ import (
 	"regexp"
 	"strings"
 	"time"
+	"unicode/utf8"
 
 	"github.com/xmppo/go-xmpp"
 	"gopkg.in/ini.v1"
@@ -71,19 +72,30 @@ func (nkbot *NekoUKrovuBot) Listen() {
 }
 
 func (nkbot *NekoUKrovuBot) handleChat(ch *xmpp.Chat) {
-	src := ch.Remote
 	txt := ch.Text
 
-	if src == "sdsads" {
+	if !nkbot.sanitizeInput(txt) {
 		return
 	}
 
 	if nkbot.checkForJelNekoUKrovu(txt) {
-		n := ping.Run()
+		n := ping.PingLocal255()
 		nkbot.answer(fmt.Sprintf("%v uredjaja povezano", n))
 	}
 }
 
+func (nkbot *NekoUKrovuBot) sanitizeInput(input string) bool {
+	if len(input) > 50 {
+		return false
+	}
+
+	if !utf8.ValidString(input) {
+		return false
+	}
+
+	return true
+}
+
 func (nkbot *NekoUKrovuBot) checkForJelNekoUKrovu(txt string) bool {
 	normalizedText := strings.ToLower(txt)
 

chatbot/chatbot_test.go

@@ -86,8 +86,7 @@ func TestNekoUKrovuBot_checkForJelNekoUKrovu(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			nkbot := &NekoUKrovuBot{
-			}
+			nkbot := &NekoUKrovuBot{}
 			if got := nkbot.checkForJelNekoUKrovu(tt.args.txt); got != tt.want {
 				t.Errorf("NekoUKrovuBot.checkForJelNekoUKrovu() = %v, want %v", got, tt.want)
 			}

main.go

@@ -1,8 +1,8 @@
 package main
 
 import (
-	"log"
 	"gitea.dmz.rs/bauljamic123arlijam/neko-u-krovu-bot/chatbot"
+	"log"
 )
 
 func main() {

ping/ping.go

@@ -7,7 +7,7 @@ import (
 	"sync"
 )
 
-func Run() int {
+func PingLocal255() int {
 	localIP, err := getLocalIP()
 	if err != nil {
 		fmt.Println("Error getting local IP:", err)
@@ -56,7 +56,6 @@ func getNetworkPrefix(ip net.IP) string {
 	return fmt.Sprintf("%d.%d.%d.0", ip[0], ip[1], ip[2])
 }
 
-
 func ping(ip string) bool {
 	output, err := exec.Command("ping", "-c", "1", "-W", "1", ip).CombinedOutput()