Update APRIL_FOOLS_RESET string in Config class

APRIL_FOOLS_RESET string in Config class has been updated from "reverse" to "esrever". This change updates the behavior of the April Fools feature in the chat application.

api/build.gradle.kts

@@ -8,6 +8,9 @@ dependencies {
     }
     compileOnly("org.spongepowered:configurate-yaml:4.1.2") // Configurate
     compileOnly("net.luckperms:api:5.3") // Luckperms
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.7.0")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.7.0")
+    testImplementation("com.alttd:Galaxy-API:1.19.2-R0.1-SNAPSHOT")
 }
 
 publishing {
@@ -25,3 +28,7 @@ publishing {
         }
     }
 }
+
+tasks.test {
+    useJUnitPlatform()
+}

api/src/main/java/com/alttd/chat/config/Config.java

@@ -543,4 +543,9 @@ public final class Config {
         NICK_ALLOWED_COLOR_CODESLIST = getList("nicknames.allowed-color-codes", List.of("&0", "&1", "&2", "&3", "&4", "&5", "&6", "&7", "&8", "&9", "&a", "&b", "&c", "&d", "&e", "&f", "&r"));
         NICK_CURRENT = getString("nicknames.messages.nick-current", NICK_CURRENT);
     }
+
+    public static String APRIL_FOOLS_RESET = "esrever";
+    private static void aprilFools() {
+        APRIL_FOOLS_RESET = getString("april-fools.reset", APRIL_FOOLS_RESET);
+    }
 }

api/src/main/java/com/alttd/chat/config/RegexConfig.java

@@ -178,13 +178,18 @@ public final class RegexConfig {
                 String regex = entry.getValue().node("regex").getString();
                 String replacement = entry.getValue().node("replacement").getString();
                 List<String> exclusions = entry.getValue().node("exclusions").getList(io.leangen.geantyref.TypeToken.get(String.class), new ArrayList<>());
+                boolean disableInPrivate = false;
+                ConfigurationNode node = entry.getValue().node("disable-in-private");
+                if (node != null) {
+                    disableInPrivate = node.getBoolean();
+                }
                 if (type == null || type.isEmpty() || regex == null || regex.isEmpty()) {
                     ALogger.warn("Filter: " + name + " was set up incorrectly");
                 } else {
                     if (replacement == null || replacement.isEmpty()) {
                         replacement = name;
                     }
-                    ChatFilter chatFilter = new ChatFilter(name, type, regex, replacement, exclusions);
+                    ChatFilter chatFilter = new ChatFilter(name, type, regex, replacement, exclusions, disableInPrivate);
                     RegexManager.addFilter(chatFilter);
                 }
             } catch(SerializationException ex) {

api/src/main/java/com/alttd/chat/managers/RegexManager.java

@@ -8,10 +8,13 @@ import com.alttd.chat.objects.ModifiableString;
 import com.alttd.chat.util.ALogger;
 import net.luckperms.api.cacheddata.CachedPermissionData;
 import net.luckperms.api.model.user.User;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
+import java.util.function.Consumer;
 import java.util.regex.Pattern;
 
 public class RegexManager {
@@ -43,17 +46,24 @@ public class RegexManager {
     }
 
     public static boolean filterText(String playerName, UUID uuid, ModifiableString modifiableString, String channel) { // TODO loop all objects in the list and check if they violate based on the MATCHER
-        return filterText(playerName, uuid, modifiableString, true, channel);
+        return filterText(playerName, uuid, modifiableString, true, channel, null);
     }
 
     public static boolean filterText(String playerName, UUID uuid, ModifiableString modifiableString, boolean matcher, String channel) {
+        return filterText(playerName, uuid, modifiableString, matcher, channel, null);
+    }
+
+    public static boolean filterText(String playerName, UUID uuid, ModifiableString modifiableString, boolean matcher, String channel, Consumer<FilterType> filterAction) {
         User user = ChatAPI.get().getLuckPerms().getUserManager().getUser(uuid);
         if (user == null) {
             ALogger.warn("Tried to check chat filters for a user who doesn't exist in LuckPerms");
             return false;
         }
         CachedPermissionData permissionData = user.getCachedData().getPermissionData();
+        boolean isPrivate = channel.equals("party");
         for(ChatFilter chatFilter : chatFilters) {
+            if (isPrivate && chatFilter.isDisabledInPrivate())
+                continue;
             switch (chatFilter.getType()) {
                 case CHAT:
                     break;
@@ -74,6 +84,25 @@ public class RegexManager {
                         chatFilter.replaceMatcher(modifiableString);
                     }
                     break;
+                case PUNISH:
+                    if (permissionData.checkPermission("chat.bypass-punish").asBoolean())
+                        break;
+                    if (chatFilter.matches(modifiableString)) {
+                        ALogger.info(playerName + " triggered the punish filter for " + chatFilter.getName()
+                                + " with: " + modifiableString.string() + ".");
+
+                        if (filterAction == null){
+                            ALogger.info("No filterAction was provided, not doing anything");
+                            return false;
+                        }
+                        Player player = Bukkit.getPlayer(uuid);
+                        if (player == null) {
+                            ALogger.warn("Tried to punish a player who triggered the filter, but the player is offline.");
+                            return false;
+                        }
+                        filterAction.accept(FilterType.PUNISH);
+                        return false;
+                    }
             }
         }
         return true;

api/src/main/java/com/alttd/chat/objects/ChatFilter.java

@@ -17,14 +17,16 @@ public class ChatFilter {
     private final Pattern pattern;
     private final String replacement;
     private final List<String> exclusions;
+    private final boolean disableInPrivate;
 
-    public ChatFilter(String name, String type, String regex, String replacement, List<String> exclusions) {
+    public ChatFilter(String name, String type, String regex, String replacement, List<String> exclusions, boolean disableInPrivate) {
         this.name = name;
         this.filterType = FilterType.getType(type);
         this.regex = regex;
         this.pattern = Pattern.compile(getRegex(), Pattern.CASE_INSENSITIVE);
         this.replacement = replacement;
         this.exclusions = exclusions;
+        this.disableInPrivate = disableInPrivate;
     }
 
     public String getName() {
@@ -47,6 +49,10 @@ public class ChatFilter {
         return this.exclusions;
     }
 
+    public boolean isDisabledInPrivate() {
+        return disableInPrivate;
+    }
+
     public boolean matches(ModifiableString filterableString) {
         String input = filterableString.string();
         Matcher matcher = pattern.matcher(input);

api/src/main/java/com/alttd/chat/objects/FilterType.java

@@ -5,7 +5,8 @@ public enum FilterType {
     EMOTE("emote"),
     CHAT("chat"),
     REPLACEMATCHER("replacematcher"),
-    BLOCK("block");
+    BLOCK("block"),
+    PUNISH("punish");
 
     private final String name;
 

api/src/main/java/com/alttd/chat/objects/ModifiableString.java

@@ -1,12 +1,14 @@
 package com.alttd.chat.objects;
 
 import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.JoinConfiguration;
+import net.kyori.adventure.text.TextComponent;
 import net.kyori.adventure.text.TextReplacementConfig;
 import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
-import org.intellij.lang.annotations.RegExp;
 
-import javax.annotation.RegEx;
-import java.util.regex.Pattern;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
 
 public class ModifiableString {
     private Component text;
@@ -30,4 +32,37 @@ public class ModifiableString {
     public Component component() {
         return text;
     }
+
+    public void reverse() {
+        text = reverseComponent(text);
+    }
+
+    public Component reverseComponent(Component component) {
+        if (!(component instanceof TextComponent textComponent)) {
+            return Component.text("")
+                    .append(Component.join(JoinConfiguration.noSeparators(), reverseChildren(component.children())));
+        }
+
+        String content = textComponent.content();
+        String reversedContent = new StringBuilder(content).reverse().toString();
+
+        List<Component> reversedChildren = reverseChildren(component.children());
+
+        return Component.text("")
+                .append(Component.join(JoinConfiguration.noSeparators(), reversedChildren)
+                        .append(Component.text(reversedContent, component.style())));
+    }
+
+    public List<Component> reverseChildren(List<Component> children) {
+        return children.stream()
+                .map(this::reverseComponent)
+                .collect(Collectors.collectingAndThen(Collectors.toList(), list -> {
+                    Collections.reverse(list);
+                    return list;
+                }));
+    }
+
+    public void removeStringAtStart(String s) {
+        text = text.replaceText(TextReplacementConfig.builder().match("^" + s).replacement("").build());
+    }
 }

api/src/test/java/ReverseTest.java

@@ -0,0 +1,86 @@
+import com.alttd.chat.config.Config;
+import com.alttd.chat.objects.ModifiableString;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
+import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+
+public class ReverseTest {
+
+    @Test
+    public void testReverseString() {
+        String input = "Hello how are you doing today?";
+        String expectedOutput = new StringBuilder(input).reverse().toString();
+        MiniMessage miniMessage = MiniMessage.miniMessage();
+        ModifiableString modifiableString = new ModifiableString(miniMessage.deserialize(input));
+        modifiableString.reverse();
+        assertEquals(expectedOutput, modifiableString.string());
+    }
+
+    @Test
+    public void testRemoveKeyword() {
+        String input = "Hello how are you doing today?";
+        MiniMessage miniMessage = MiniMessage.miniMessage();
+
+        ModifiableString modifiableString = new ModifiableString(miniMessage.deserialize(Config.APRIL_FOOLS_RESET + " " + input));
+        modifiableString.removeStringAtStart(Config.APRIL_FOOLS_RESET + " ");
+
+        assertEquals(input, modifiableString.string());
+    }
+
+    @Test
+    public void testRemoveKeywordWithTags() {
+        MiniMessage miniMessage = MiniMessage.miniMessage();
+        String input = "<blue>" + Config.APRIL_FOOLS_RESET + " <red>Hello how are</red> you <blue>doing today</blue>?</blue>";
+        String expectedOutput = "Hello how are you doing today?";
+        Component deserialize = miniMessage.deserialize(input);
+
+        ModifiableString modifiableString = new ModifiableString(deserialize);
+        modifiableString.removeStringAtStart(Config.APRIL_FOOLS_RESET + " ");
+
+        assertEquals(expectedOutput, modifiableString.string());
+    }
+
+
+    @Test
+    public void testReverseStringWithTags() {
+        String input = "<red>Hello how are</red> you <blue>doing today</blue>?";
+        MiniMessage miniMessage = MiniMessage.miniMessage();
+        Component deserialize = miniMessage.deserialize(input);
+        ModifiableString modifiableString = new ModifiableString(deserialize);
+        String expectedOutput = new StringBuilder(PlainTextComponentSerializer.plainText().serialize(deserialize)).reverse().toString();
+        modifiableString.reverse();
+        assertEquals(expectedOutput, modifiableString.string());
+    }
+
+    @Test
+    public void complexTestReverseStringWithTags() {
+        String input = "<green><red>Hello <b>how</b> are</red> you <blue>doing today</blue><gold>?</gold></green>";
+        MiniMessage miniMessage = MiniMessage.miniMessage();
+        Component deserialize = miniMessage.deserialize(input);
+        ModifiableString modifiableString = new ModifiableString(deserialize);
+        String expectedOutput = new StringBuilder(PlainTextComponentSerializer.plainText().serialize(deserialize)).reverse().toString();
+        modifiableString.reverse();
+        assertEquals(expectedOutput, modifiableString.string());
+    }
+
+    @Test
+    public void extraComplexTestReverseStringWithTags() {
+        String input = "<gold>This <red>is</red> longer<green> <name> <red>Hello <b>how</b> are</red> you <test> <blue>doing <name> today</blue><gold>?</gold></green></gold>";
+        MiniMessage miniMessage = MiniMessage.miniMessage();
+        Component deserialize = miniMessage.deserialize(input, TagResolver.resolver(
+                Placeholder.component("name", miniMessage.deserialize("<red>Cool<blue><rainbow>_player_</rainbow>name</red>")),
+                Placeholder.parsed("test", "test replacement")
+        ));
+        ModifiableString modifiableString = new ModifiableString(deserialize);
+        String expectedOutput = new StringBuilder(PlainTextComponentSerializer.plainText().serialize(deserialize)).reverse().toString();
+        modifiableString.reverse();
+        System.out.println(expectedOutput);
+        assertEquals(expectedOutput, modifiableString.string());
+    }
+
+}

galaxy/src/main/java/com/alttd/chat/listeners/ChatListener.java

@@ -5,13 +5,12 @@ import com.alttd.chat.config.Config;
 import com.alttd.chat.handler.ChatHandler;
 import com.alttd.chat.managers.ChatUserManager;
 import com.alttd.chat.managers.RegexManager;
-import com.alttd.chat.objects.ChatFilter;
-import com.alttd.chat.objects.ChatUser;
-import com.alttd.chat.objects.ModifiableString;
-import com.alttd.chat.objects.Toggleable;
+import com.alttd.chat.objects.*;
 import com.alttd.chat.util.ALogger;
 import com.alttd.chat.util.GalaxyUtility;
 import com.alttd.chat.util.Utility;
+import com.google.common.io.ByteArrayDataOutput;
+import com.google.common.io.ByteStreams;
 import io.papermc.paper.event.player.AsyncChatCommandDecorateEvent;
 import io.papermc.paper.event.player.AsyncChatDecorateEvent;
 import io.papermc.paper.event.player.AsyncChatEvent;
@@ -30,6 +29,7 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.jetbrains.annotations.NotNull;
 
+import java.time.*;
 import java.util.HashSet;
 import java.util.Set;
 import java.util.regex.Pattern;
@@ -87,7 +87,18 @@ public class ChatListener implements Listener {
         ModifiableString modifiableString = new ModifiableString(input);
 
          // todo a better way for this
-        if(!RegexManager.filterText(player.getName(), player.getUniqueId(), modifiableString, "chat")) {
+        if(!RegexManager.filterText(player.getName(), player.getUniqueId(), modifiableString, true, "chat", filterType -> {
+            if (!filterType.equals(FilterType.PUNISH)) {
+                ALogger.warn("Received another FilterType than punish when filtering chat and executing a filter action");
+                return;
+            }
+            ByteArrayDataOutput out = ByteStreams.newDataOutput();
+            out.writeUTF("punish");
+            out.writeUTF(player.getName());
+            out.writeUTF(player.getUniqueId().toString());
+            out.writeUTF(modifiableString.string());
+            player.sendPluginMessage(ChatPlugin.getInstance(), Config.MESSAGECHANNEL, out.toByteArray());
+        })) {
             event.setCancelled(true);
             GalaxyUtility.sendBlockedNotification("Language", player,
                     modifiableString.component(),
@@ -97,7 +108,14 @@ public class ChatListener implements Listener {
 
         Set<Player> playersToPing = new HashSet<>();
         pingPlayers(playersToPing, modifiableString, player);
-
+        LocalDate now = LocalDate.now();
+        if (now.getMonth().equals(Month.APRIL) && now.getDayOfMonth() == 1) {
+            if (modifiableString.string().startsWith(Config.APRIL_FOOLS_RESET + " ")) {
+                modifiableString.removeStringAtStart(Config.APRIL_FOOLS_RESET + " ");
+            } else {
+                modifiableString.reverse();
+            }
+        }
         input = render(player, modifiableString.component());
         for (Player receiver : receivers) {
             receiver.sendMessage(input);

velocity/src/main/java/com/alttd/velocitychat/listeners/PluginMessageListener.java

@@ -4,11 +4,14 @@ import com.alttd.chat.managers.ChatUserManager;
 import com.alttd.chat.objects.ChatUser;
 import com.alttd.chat.objects.channels.CustomChannel;
 import com.alttd.chat.util.ALogger;
+import com.alttd.proxydiscordlink.DiscordLink;
+import com.alttd.proxydiscordlink.lib.net.dv8tion.jda.api.EmbedBuilder;
 import com.alttd.velocitychat.VelocityChat;
 import com.google.common.io.ByteArrayDataInput;
 import com.google.common.io.ByteStreams;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.connection.PluginMessageEvent;
+import com.velocitypowered.api.proxy.ConsoleCommandSource;
 import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.ProxyServer;
 import com.velocitypowered.api.proxy.ServerConnection;
@@ -16,8 +19,10 @@ import com.velocitypowered.api.proxy.messages.ChannelIdentifier;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
 import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
 
+import java.awt.*;
 import java.io.ByteArrayInputStream;
 import java.io.DataInputStream;
+import java.util.Optional;
 import java.util.UUID;
 
 public class PluginMessageListener {
@@ -93,6 +98,20 @@ public class PluginMessageListener {
                 proxy.getAllServers().forEach(registeredServer ->
                         registeredServer.sendPluginMessage(VelocityChat.getPlugin().getChannelIdentifier(), event.getData()));
             }
+            case "punish" -> {
+                String playerName = in.readUTF();
+                ProxyServer proxy = VelocityChat.getPlugin().getProxy();
+                ConsoleCommandSource consoleCommandSource = proxy.getConsoleCommandSource();
+                proxy.getCommandManager().executeAsync(consoleCommandSource, String.format("ban %s Automatic ban, please appeal if you feel review is needed.", playerName));
+                ALogger.info(String.format("Auto banned %s due to violating the `punish` filter.", playerName));
+
+                EmbedBuilder embedBuilder = new EmbedBuilder();
+                embedBuilder.setTitle("Automatic ban through the chat filter");
+                embedBuilder.setAuthor(playerName, null, "https://crafatar.com/avatars/" + in.readUTF() + "?overlay");
+                embedBuilder.setDescription(String.format("`%s`\n\n Auto permanent ban\n\n Auto banned for violating the `punish` chat filter. This could be a false positive! Their message was\n||%s||", playerName, in.readUTF()));
+                embedBuilder.setColor(Color.RED);
+                DiscordLink.getPlugin().getBot().sendEmbedToDiscord(514922317923614728L, embedBuilder, -1);
+            }
             default -> {
                 VelocityChat.getPlugin().getLogger().info("server " + event.getSource());
                 ProxyServer proxy = VelocityChat.getPlugin().getProxy();