Add MiniMessage filter

Author: efekurbann

src/main/java/net/voxelarc/allaychat/AllayChatPlugin.java

@@ -166,6 +166,7 @@ private void setupFilters() {
         addFilter(new PhoneFilter(this));
         addFilter(new RegexFilter(this));
         addFilter(new SimilarityFilter(this));
+        addFilter(new MiniMessageFilter(this));
 
         for (ChatFilter filter : getFilters()) {
             filter.onEnable();

src/main/java/net/voxelarc/allaychat/chat/LocalChatManager.java

@@ -202,7 +202,7 @@ public boolean handleMessage(Player player, String message) {
                 Component component = ChatUtils.format(
                         plugin.getMessagesConfig().getString("messages.message-cancelled-operator"),
                         Placeholder.unparsed("player", player.getName()),
-                        Placeholder.unparsed("message", ChatUtils.removeColorCodes(message)),
+                        Placeholder.unparsed("message", ChatUtils.MINI_MESSAGE.stripTags(ChatUtils.removeColorCodes(message))), // strip here too so staff does not click accidentally
                         Placeholder.unparsed("flag", filter.getClass().getSimpleName()
                                 .replace("Filter", "").toUpperCase())
                 );
@@ -314,19 +314,19 @@ && handleMessage(from, message)) {
                 plugin.getPrivateMessageConfig().getString("messages.spy"),
                 Placeholder.unparsed("from", from.getName()),
                 Placeholder.unparsed("to", to),
-                Placeholder.unparsed("message", message)
+                Placeholder.unparsed("message", ChatUtils.MINI_MESSAGE.stripTags(message))
         );
 
         Component msgTarget = ChatUtils.format(
                 plugin.getPrivateMessageConfig().getString("messages.format-target"),
                 Placeholder.unparsed("player", from.getName()),
-                Placeholder.unparsed("message", message)
+                Placeholder.unparsed("message", ChatUtils.MINI_MESSAGE.stripTags(message))
         );
 
         Component msgSender = ChatUtils.format(
                 plugin.getPrivateMessageConfig().getString("messages.format-self"),
                 Placeholder.unparsed("player", target.getName()),
-                Placeholder.unparsed("message", message)
+                Placeholder.unparsed("message", ChatUtils.MINI_MESSAGE.stripTags(message))
         );
 
         ChatUtils.sendMessage(target, msgTarget);

src/main/java/net/voxelarc/allaychat/filter/MiniMessageFilter.java

@@ -0,0 +1,48 @@
+package net.voxelarc.allaychat.filter;
+
+import lombok.RequiredArgsConstructor;
+import net.kyori.adventure.text.Component;
+import net.voxelarc.allaychat.AllayChatPlugin;
+import net.voxelarc.allaychat.api.filter.ChatFilter;
+import net.voxelarc.allaychat.api.util.ChatUtils;
+import org.bukkit.entity.Player;
+
+import java.util.regex.Pattern;
+
+@RequiredArgsConstructor
+public class MiniMessageFilter implements ChatFilter {
+
+    private final Pattern allPattern = Pattern.compile("(?i).*(<|&[0-9a-fk-or])(click|hover|insert|gradient|rainbow|transition|score|selector|key|lang|[#x][0-9a-f]{6}|red|blue|green|yellow|white|black|gold|gray|aqua|dark_|light_|bold|italic|underlined|strikethrough|obfuscated|reset).*");
+    private final Pattern functionalPattern = Pattern.compile("(?i).*(<|&[0-9a-fk-or])(click|hover|insert|score|selector|key|lang|bold|italic|underlined|strikethrough|obfuscated|reset).*");
+
+    private final AllayChatPlugin plugin;
+
+    private boolean enabled = true;
+    private boolean blockAll = true;
+
+    private Component blockedMessage;
+
+    @Override
+    public void onEnable() {
+        enabled = plugin.getFilterConfig().getBoolean("minimessage.enabled", true);
+        blockAll = plugin.getFilterConfig().getBoolean("minimessage.block-all", true);
+        blockedMessage = ChatUtils.format(plugin.getFilterConfig().getString("minimessage.message", "<prefix> <red>You can not send MiniMessage tags."));
+    }
+
+    @Override
+    public boolean checkMessage(Player player, String message) {
+        if (!enabled) return false;
+        if (player.hasPermission("allaychat.bypass.minimessage")) return false;
+
+        if (blockAll && allPattern.matcher(message).find()) {
+            ChatUtils.sendMessage(player, blockedMessage);
+            return true;
+        } else if (functionalPattern.matcher(message).find()) {
+            ChatUtils.sendMessage(player, blockedMessage);
+            return true;
+        }
+
+        return false;
+    }
+
+}

src/main/resources/filter.yml

@@ -8,6 +8,14 @@ domain:
   enabled: true
   message: "<prefix> <red>You can not send domains in the chat."
 
+minimessage:
+  enabled: true
+  # should we block ALL the minimessage tags? (including color tags).
+  # if disabled, we only block a select few such as: click, hover, etc.
+  # however, I recommend you keep this true
+  block-all: true
+  message: "<prefix> <red>You can not send MiniMessage tags."
+
 phone:
   enabled: true
   message: "<prefix> <red>You can not send phone numbers."