fix webhook validation and change readme

src/main/java/cf/sobrooms/Main.java

@@ -32,7 +32,6 @@ public class Main extends JavaPlugin {
     public static void main(String... args) {
         System.out.printf("Initializing using server address: %s...%n", ServerUtils.address);
     }
-
     @Override
     public void onEnable() {
         String loggingDir = "./NoS";
@@ -73,7 +72,8 @@ public class Main extends JavaPlugin {
         } catch (NullPointerException e) {
             throw new RuntimeException(e);
         }
-
+        webhooksAreValidUrls = validateWebhook_Ntfy();
+        webhooksAreValidUrls = validateWebhook_Pub();
         // register events
         if (getLoggingConfig().equals("true") && webhooksAreValidUrls)
             registerEvents();
@@ -87,6 +87,19 @@ public class Main extends JavaPlugin {
         }
 
     }
+
+    public static boolean validateWebhook_Pub() {
+        if (getPublicMessageWebhook().startsWith("https://") || getPublicMessageWebhook().startsWith("http://"))
+            return true;
+        else
+            return false;
+    }
+    public static boolean validateWebhook_Ntfy() {
+        if (getNotifyWebhook().startsWith("https://") || getNotifyWebhook().startsWith("http://"))
+            return true;
+        else
+            return false;
+    }
     public static String getPublicMessageWebhook() {
         try {
             BufferedReader brfmsg = new BufferedReader(new FileReader(pubMessageWebhookConfig));
@@ -101,6 +114,7 @@ public class Main extends JavaPlugin {
                 webhooksAreValidUrls = false;
                 return lineMsg;
             } else if (lineMsg.startsWith("https://") || lineMsg.startsWith("http://")) {
+                webhooksAreValidUrls = true;
                 return lineMsg;
             } else {
                 System.out.printf("Please set the webhook URL in %s and restart the server", pubMessageWebhookConfig.getAbsolutePath());
@@ -125,6 +139,7 @@ public class Main extends JavaPlugin {
                 webhooksAreValidUrls = false;
                 return lineNtfy;
             } else if (lineNtfy.startsWith("https://") || lineNtfy.startsWith("http://")) {
+                webhooksAreValidUrls = true;
                 return lineNtfy;
             } else {
                 System.out.printf("Please set the webhook URL in %s and restart the server", notifyWebhookConfig.getAbsolutePath());