click event stuff

who the fuck decided to use 2 space instead of 4

.github/CONTRIBUTING.md

@@ -38,7 +38,7 @@ PlaceholderAPI provides a feature to have expansions (separate jar files) for pl
 In those cases should you report the issue to the issue tracker of the expansion or plugin.
 
 ## Pull requests
-As an open source project are we welcoming all contributions to improve PlaceholderAPI, being it changes to its code, or contributions to its documentation such as the [Wiki] or the Javadocs.
+As an open source project we are welcoming all contributions to improve PlaceholderAPI, being it changes to its code, or contributions to its documentation such as the [Wiki] or the Javadocs.
 
 > [!IMPORTANT]
 > When contributing, make sure to both base of and target the mentioned branch. Pull requests targeting the wrong branch may get closed without a warning.

.github/PULL_REQUEST_TEMPLATE.md

@@ -21,7 +21,7 @@
 ### Description
 <!-- What does your Pull request change? -->
 
-Closes N/A <!-- If your PR is based on an issue, change "N/A" the the issue ID (#id) -->
+Closes N/A <!-- If your PR is based on an issue, change "N/A" to the issue ID (#id) -->
 
 
 <!-- DO NOT ALTER ANYTHING BELOW THIS LINE! -->

README.md

@@ -8,8 +8,8 @@
 [discord]: https://helpch.at/discord
 [spigot]: https://www.spigotmc.org/resources/6245/
 [hangar]: https://hangar.papermc.io/HelpChat/PlaceholderAPI
-[bbb]: https://builtbybit.com/resources/placeholderapi.24306
+[modrinth]: https://modrinth.com/plugin/placeholderapi
-[Expansions cloud]: https://api.extendedclip.com/home
+[Expansions cloud]: https://ecloud.placeholderapi.com
 [placeholder list]: https://helpch.at/placeholders
 [statistics]: https://bstats.org/plugin/bukkit/PlaceholderAPI
 
@@ -50,5 +50,5 @@ If you would like to create your own Placeholder Expansion for PlaceholderAPI, t
 - [Placeholder List]
 - [Spigot Page][spigot]
 - [Hangar Page][hangar]
-- [BuiltByBit Page][bbb]
+- [Modrinth Page][modrinth]
 - [Plugin Statistics][statistics]

build.gradle.kts

@@ -8,7 +8,7 @@ plugins {
 }
 
 group = "me.clip"
-version = "2.11.7-DEV-${System.getProperty("BUILD_NUMBER")}"
+version = "2.11.8-DEV-${System.getProperty("BUILD_NUMBER")}"
 
 description = "An awesome placeholder provider!"
 
@@ -25,9 +25,10 @@ repositories {
 
 dependencies {
     implementation("org.bstats:bstats-bukkit:3.0.1")
-    implementation("net.kyori:adventure-platform-bukkit:4.3.3")
+    implementation("net.kyori:adventure-platform-bukkit:4.4.1")
 
     //compileOnly("org.spigotmc:spigot-api:1.21-R0.1-SNAPSHOT")
+    compileOnly("io.papermc.paper:paper-api:1.21.10-R0.1-SNAPSHOT")
     compileOnly("dev.folia:folia-api:1.20.1-R0.1-SNAPSHOT")
     compileOnlyApi("org.jetbrains:annotations:23.0.0")
 
@@ -45,6 +46,8 @@ java {
 
     withJavadocJar()
     withSourcesJar()
+
+    disableAutoTargetJvm()
 }
 
 license {
@@ -90,7 +93,12 @@ tasks {
         archiveClassifier.set("")
 
         relocate("org.bstats", "me.clip.placeholderapi.metrics")
-        relocate("net.kyori", "me.clip.placeholderapi.libs.kyori")
+//        relocate("net.kyori", "me.clip.placeholderapi.libs.kyori") {
+//            exclude("me/clip/placeholderapi/PAPIComponents.java")
+//            exclude("me/clip/placeholderapi/commands/TestCommand.java")
+//        }
+
+        destinationDirectory = file("server/1.21/plugins/")
 
         exclude("META-INF/versions/**")
     }

src/main/java/me/clip/placeholderapi/PAPIComponents.java

@@ -0,0 +1,121 @@
+package me.clip.placeholderapi;
+
+import me.clip.placeholderapi.expansion.PlaceholderExpansion;
+import me.clip.placeholderapi.expansion.Relational;
+import me.clip.placeholderapi.replacer.ExactReplacer;
+import me.clip.placeholderapi.replacer.Replacer;
+import net.kyori.adventure.text.Component;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.entity.Player;
+import org.checkerframework.checker.units.qual.N;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+import java.util.Locale;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+public final class PAPIComponents {
+    private static final Replacer EXACT_REPLACER = new ExactReplacer();
+
+    @NotNull
+    public static Component setPlaceholders(final OfflinePlayer player, @NotNull final Component component) {
+        // TODO: explore a custom TextReplacementRenderer which doesn't use regex for performance benefits i.e. merge CharsReplacer with kyori TextReplacementRenderer
+        return component.replaceText(config -> config.match(PlaceholderAPI.PLACEHOLDER_PATTERN).replacement((result, builder) ->
+                builder.content(EXACT_REPLACER.apply(result.group(), player, PlaceholderAPIPlugin.getInstance().getLocalExpansionManager()::getExpansion))));
+    }
+
+    @NotNull
+    public static List<Component> setPlaceholders(final OfflinePlayer player, @NotNull final List<Component> components) {
+        return components.stream().map(component -> setPlaceholders(player, component)).collect(Collectors.toList());
+    }
+
+    @NotNull
+    public static Component setPlaceholders(final Player player, @NotNull final Component component) {
+        return setPlaceholders((OfflinePlayer) player, component);
+    }
+
+    @NotNull
+    public static List<Component> setPlaceholders(final Player player, @NotNull final List<Component> components) {
+        return setPlaceholders((OfflinePlayer) player, components);
+    }
+
+    @NotNull
+    public static Component setBracketPlaceholders(final OfflinePlayer player, @NotNull final Component component) {
+        return component.replaceText(config -> config.match(PlaceholderAPI.BRACKET_PLACEHOLDER_PATTERN).replacement((result, builder) ->
+                builder.content(EXACT_REPLACER.apply(result.group(), player, PlaceholderAPIPlugin.getInstance().getLocalExpansionManager()::getExpansion))));
+    }
+
+    @NotNull
+    public static List<Component> setBracketPlaceholders(final OfflinePlayer player, @NotNull final List<Component> components) {
+        return components.stream().map(component -> setBracketPlaceholders(player, component)).collect(Collectors.toList());
+    }
+
+    @NotNull
+    public static Component setBracketPlaceholders(final Player player, @NotNull final Component component) {
+        return setBracketPlaceholders((OfflinePlayer) player, component);
+    }
+
+    @NotNull
+    public static List<Component> setBracketPlaceholders(final Player player, @NotNull final List<Component> components) {
+        return setBracketPlaceholders((OfflinePlayer) player, components);
+    }
+
+//  public static Component setRelationalPlaceholders(Player one, Player two, Component component) {
+//    return component.replaceText(config -> config.match(PlaceholderAPI.RELATIONAL_PLACEHOLDER_PATTERN).replacement((result, builder) -> {
+//
+//      final String format = result.group(2);
+//      final int index = format.indexOf("_");
+//
+//      if (index <= 0 || index >= format.length()) {
+//        continue;
+//      }
+//
+//      String identifier = format.substring(0, index).toLowerCase(Locale.ROOT);
+//      String params = format.substring(index + 1);
+//      final PlaceholderExpansion expansion = PlaceholderAPIPlugin.getInstance()
+//              .getLocalExpansionManager().getExpansion(identifier);
+//
+//      if (!(expansion instanceof Relational)) {
+//        continue;
+//      }
+//
+//      final String value = ((Relational) expansion).onPlaceholderRequest(one, two, params);
+//
+//      if (value != null) {
+//        text = text.replaceAll(Pattern.quote(matcher.group()), Matcher.quoteReplacement(value));
+//      }
+//
+//
+//    }));
+//
+//    final Matcher matcher = PlaceholderAPI.RELATIONAL_PLACEHOLDER_PATTERN.matcher(text);
+//
+//    while (matcher.find()) {
+//      final String format = matcher.group(2);
+//      final int index = format.indexOf("_");
+//
+//      if (index <= 0 || index >= format.length()) {
+//        continue;
+//      }
+//
+//      String identifier = format.substring(0, index).toLowerCase(Locale.ROOT);
+//      String params = format.substring(index + 1);
+//      final PlaceholderExpansion expansion = PlaceholderAPIPlugin.getInstance()
+//              .getLocalExpansionManager().getExpansion(identifier);
+//
+//      if (!(expansion instanceof Relational)) {
+//        continue;
+//      }
+//
+//      final String value = ((Relational) expansion).onPlaceholderRequest(one, two, params);
+//
+//      if (value != null) {
+//        text = text.replaceAll(Pattern.quote(matcher.group()), Matcher.quoteReplacement(value));
+//      }
+//    }
+//
+//    return text;
+//  }
+}

src/main/java/me/clip/placeholderapi/PlaceholderAPI.java

@@ -34,6 +34,7 @@ import me.clip.placeholderapi.expansion.manager.LocalExpansionManager;
 import me.clip.placeholderapi.replacer.CharsReplacer;
 import me.clip.placeholderapi.replacer.Replacer;
 import me.clip.placeholderapi.replacer.Replacer.Closure;
+import me.clip.placeholderapi.replacer.ExactReplacer;
 import me.clip.placeholderapi.util.Msg;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.entity.Player;
@@ -46,11 +47,12 @@ public final class PlaceholderAPI {
     private static final Replacer REPLACER_PERCENT = new CharsReplacer(Closure.PERCENT);
     private static final Replacer REPLACER_BRACKET = new CharsReplacer(Closure.BRACKET);
 
-  private static final Pattern PLACEHOLDER_PATTERN = Pattern.compile("[%]([^%]+)[%]");
+    static final Pattern PLACEHOLDER_PATTERN = Pattern.compile("[%]([^%]+)[%]");
-  private static final Pattern BRACKET_PLACEHOLDER_PATTERN = Pattern.compile("[{]([^{}]+)[}]");
+    static final Pattern BRACKET_PLACEHOLDER_PATTERN = Pattern.compile("[{]([^{}]+)[}]");
-  private static final Pattern RELATIONAL_PLACEHOLDER_PATTERN = Pattern
+    static final Pattern RELATIONAL_PLACEHOLDER_PATTERN = Pattern
             .compile("[%](rel_)([^%]+)[%]");
 
+    private static final Replacer TEST = new ExactReplacer();
 
     private PlaceholderAPI() {
     }

src/main/java/me/clip/placeholderapi/PlaceholderAPIPlugin.java

@@ -21,10 +21,10 @@
 package me.clip.placeholderapi;
 
 import java.text.SimpleDateFormat;
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 import me.clip.placeholderapi.commands.PlaceholderCommandRouter;
+import me.clip.placeholderapi.commands.TestCommand;
 import me.clip.placeholderapi.configuration.PlaceholderAPIConfig;
 import me.clip.placeholderapi.expansion.PlaceholderExpansion;
 import me.clip.placeholderapi.expansion.Version;
@@ -34,6 +34,7 @@ import me.clip.placeholderapi.listeners.ServerLoadEventListener;
 import me.clip.placeholderapi.scheduler.UniversalScheduler;
 import me.clip.placeholderapi.scheduler.scheduling.schedulers.TaskScheduler;
 import me.clip.placeholderapi.updatechecker.UpdateChecker;
+import me.clip.placeholderapi.util.ExpansionSafetyCheck;
 import me.clip.placeholderapi.util.Msg;
 import net.kyori.adventure.platform.bukkit.BukkitAudiences;
 import org.bstats.bukkit.Metrics;
@@ -93,6 +94,8 @@ public final class PlaceholderAPIPlugin extends JavaPlugin {
 
     private BukkitAudiences adventure;
 
+  private BukkitAudiences adventure;
+  private boolean safetyCheck = false;
 
     /**
      * Gets the static instance of the main class for PlaceholderAPI. This class is not the actual API
@@ -152,17 +155,29 @@ public final class PlaceholderAPIPlugin extends JavaPlugin {
     public void onLoad() {
         instance = this;
 
+  @Override
+  public void onLoad() {
     saveDefaultConfig();
+
+    safetyCheck = new ExpansionSafetyCheck(this).runChecks();
+
+    if (safetyCheck) {
+      return;
+    }
+
+    instance = this;
   }
 
   @Override
   public void onEnable() {
+    if (safetyCheck) {
+      return;
+    }
+
     setupCommand();
     setupMetrics();
     setupExpansions();
 
-    adventure = BukkitAudiences.create(this);
-
         if (config.isCloudEnabled()) {
             getCloudExpansionManager().load();
         }
@@ -177,7 +192,14 @@ public final class PlaceholderAPIPlugin extends JavaPlugin {
         getCloudExpansionManager().kill();
         getLocalExpansionManager().kill();
 
-    HandlerList.unregisterAll(this);
+  @Override
+  public void onDisable() {
+    if (safetyCheck) {
+      return;
+    }
+
+    getCloudExpansionManager().kill();
+    getLocalExpansionManager().kill();
 
         scheduler.cancelTasks(this);
 

src/main/java/me/clip/placeholderapi/PlaceholderHook.java

@@ -20,11 +20,14 @@
 
 package me.clip.placeholderapi;
 
+import net.kyori.adventure.text.Component;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.Optional;
+
 public abstract class PlaceholderHook {
   @Nullable
   public String onRequest(final OfflinePlayer player, @NotNull final String params) {

src/main/java/me/clip/placeholderapi/commands/PlaceholderCommand.java

@@ -22,10 +22,12 @@ package me.clip.placeholderapi.commands;
 
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Sets;
+
 import java.util.List;
 import java.util.Locale;
 import java.util.Set;
 import java.util.stream.Stream;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;

src/main/java/me/clip/placeholderapi/commands/PlaceholderCommandRouter.java

@@ -22,6 +22,7 @@ package me.clip.placeholderapi.commands;
 
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
+
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -30,6 +31,7 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.stream.Stream;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.impl.cloud.CommandECloud;
 import me.clip.placeholderapi.commands.impl.local.CommandDump;

src/main/java/me/clip/placeholderapi/commands/TestCommand.java

@@ -0,0 +1,57 @@
+package me.clip.placeholderapi.commands;
+
+import io.papermc.paper.command.brigadier.BasicCommand;
+import io.papermc.paper.command.brigadier.CommandSourceStack;
+import me.clip.placeholderapi.PAPIComponents;
+import me.clip.placeholderapi.PlaceholderAPI;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.event.HoverEvent;
+import net.kyori.adventure.text.event.HoverEventSource;
+import net.kyori.adventure.text.format.TextColor;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.bukkit.OfflinePlayer;
+
+public class TestCommand implements BasicCommand {
+    private static final MiniMessage MINI = MiniMessage.miniMessage();
+
+    @Override
+    public void execute(final CommandSourceStack commandSourceStack, final String[] strings) {
+//        final Component component = Component.text("Woo! Test: %player_name%").color(TextColor.color(50, 168, 82)).hoverEvent(HoverEvent.showText(Component.text("OMG %player_gamemode%")));
+        final Component component = Component.text("Woo! Test: %player_name%");
+
+        String ser = MINI.serialize(component);
+        System.out.println(ser);
+
+        commandSourceStack.getSender().sendMessage(
+                PAPIComponents.setPlaceholders((OfflinePlayer) commandSourceStack.getSender(), component)
+        );
+
+        long tmp = System.currentTimeMillis();
+        for (int i = 0; i < 100000; ++i) {
+            PAPIComponents.setPlaceholders((OfflinePlayer) commandSourceStack.getSender(), component);
+        }
+        commandSourceStack.getSender().sendMessage(String.valueOf(System.currentTimeMillis() - tmp));
+
+        tmp = System.currentTimeMillis();
+        for (int i = 0; i < 100000; ++i) {
+            PlaceholderAPI.setPlaceholders((OfflinePlayer) commandSourceStack.getSender(), "Woo! Test: %player_name%");
+        }
+        commandSourceStack.getSender().sendMessage(String.valueOf(System.currentTimeMillis() - tmp));
+
+        tmp = System.currentTimeMillis();
+        for (int i = 0; i < 100000; ++i) {
+            final String serr = MINI.serialize(component);
+            final String repl = PlaceholderAPI.setPlaceholders((OfflinePlayer) commandSourceStack.getSender(), serr);
+            MINI.deserialize(repl);
+        }
+        commandSourceStack.getSender().sendMessage(String.valueOf(System.currentTimeMillis() - tmp));
+
+
+        Component.text()
+                .append(Component.text().content("yes ").color(TextColor.color(50,50,50)))
+                .append(Component.text("%player_name%"))
+                .append(Component.text(" omg").color(TextColor.color(200,200,200)));
+
+
+    }
+}

src/main/java/me/clip/placeholderapi/commands/impl/cloud/CommandECloudClear.java

@@ -21,6 +21,7 @@
 package me.clip.placeholderapi.commands.impl.cloud;
 
 import java.util.List;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.util.Msg;

src/main/java/me/clip/placeholderapi/commands/impl/cloud/CommandECloudDownload.java

@@ -24,6 +24,7 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Stream;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.expansion.cloud.CloudExpansion;
@@ -64,9 +65,32 @@ public final class CommandECloudDownload extends PlaceholderCommand {
             return;
         }
 
-    final CloudExpansion expansion = plugin.getCloudExpansionManager()
+    final CloudExpansion.Version version;
-        .findCloudExpansionByName(params.get(0)).orElse(null);
+    if (params.size() < 2) {
-    if (expansion == null) {
+      version = expansion.getVersion(expansion.getLatestVersion());
+      if (version == null) {
+        Msg.msg(sender,
+            "&cCould not find latest version for expansion.");
+        return;
+      }
+    } else {
+      version = expansion.getVersion(params.get(1));
+      if (version == null) {
+        Msg.msg(sender,
+            "&cCould not find specified version: &f" + params.get(1),
+            "&7Available versions: &f" + expansion.getAvailableVersions());
+        return;
+      }
+    }
+
+    if (!version.isVerified()) {
+      Msg.msg(sender, "&cThe expansion '&f" + params.get(0) + "&c' is not verified and can only be downloaded manually from &fhttps://ecloud.placeholderapi.com");
+      return;
+    }
+
+    plugin.getCloudExpansionManager().downloadExpansion(expansion, version)
+        .whenComplete((file, exception) -> {
+          if (exception != null) {
             Msg.msg(sender,
                     "&cFailed to find an expansion named: &f" + params.get(0));
             return;

src/main/java/me/clip/placeholderapi/commands/impl/cloud/CommandECloudExpansionInfo.java

@@ -23,6 +23,7 @@ package me.clip.placeholderapi.commands.impl.cloud;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Stream;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.expansion.cloud.CloudExpansion;
@@ -55,17 +56,12 @@ public final class CommandECloudExpansionInfo extends PlaceholderCommand {
             return;
         }
 
-    final StringBuilder builder = new StringBuilder();
-
     builder.append("&bExpansion: &f")
         .append(expansion.shouldUpdate() ? "&e" : "&a")
         .append(expansion.getName())
         .append('\n')
         .append("&bAuthor: &f")
         .append(expansion.getAuthor())
-        .append('\n')
-        .append("&bVerified: ")
-        .append(expansion.isVerified() ? "&a&l✔" : "&c&l❌")
         .append('\n');
 
     if (params.size() < 2) {
@@ -76,6 +72,9 @@ public final class CommandECloudExpansionInfo extends PlaceholderCommand {
           .append(expansion.getTimeSinceLastUpdate())
           .append(" ago")
           .append('\n')
+          .append("&bVerified: ")
+          .append(expansion.getVersion().isVerified() ? "&a&l✔" : "&c&l❌")
+          .append('\n')
           .append("&bRelease Notes: &f")
           .append(expansion.getVersion().getReleaseNotes())
           .append('\n');
@@ -88,6 +87,20 @@ public final class CommandECloudExpansionInfo extends PlaceholderCommand {
         return;
       }
 
+      builder.append("&bVersion: &f")
+          .append(version.getVersion())
+          .append('\n')
+          .append("&bVerified: ")
+          .append(version.isVerified() ? "&a&l✔" : "&c&l❌")
+          .append('\n')
+          .append("&bRelease Notes: &f")
+          .append(version.getReleaseNotes())
+          .append('\n')
+          .append("&bDownload URL: &f")
+          .append(version.getUrl())
+          .append('\n');
+    }
+
             builder.append("&bVersion: &f")
                     .append(version.getVersion())
                     .append('\n')

src/main/java/me/clip/placeholderapi/commands/impl/cloud/CommandECloudExpansionList.java

@@ -25,12 +25,14 @@ import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 import com.google.common.primitives.Ints;
+
 import java.text.SimpleDateFormat;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.configuration.ExpansionSort;
@@ -65,7 +67,7 @@ public final class CommandECloudExpansionList extends PlaceholderCommand {
       expansion -> "&f" + expansion.getAuthor();
   @NotNull
   private static final Function<CloudExpansion, Object> EXPANSION_VERIFIED =
-      expansion -> expansion.isVerified() ? "&aY" : "&cN";
+      expansion -> expansion.getVersion().isVerified() ? "&aY" : "&cN";
   @NotNull
   private static final Function<CloudExpansion, Object> EXPANSION_LATEST_VERSION =
       expansion -> "&f" + expansion.getLatestVersion();
@@ -173,11 +175,14 @@ public final class CommandECloudExpansionList extends PlaceholderCommand {
                     .append(text("Released: ", AQUA)).append(text(format.format(expansion.getLastUpdate()), WHITE))
                     .toBuilder();
 
-      Optional.ofNullable(expansion.getDescription())
+      final TextComponent.Builder hoverText = text("Click to download this expansion!", AQUA)
-              .filter(description -> !description.isEmpty())
+              .append(newline()).append(newline())
-              .ifPresent(description -> hoverText.append(newline()).append(newline())
+              .append(text("Author: ", AQUA)).append(text(expansion.getAuthor(), WHITE))
-                      .append(text(description.replace("\r", "").trim(), WHITE))
+              .append(newline())
-              );
+              .append(text("Verified: ", AQUA)).append(text(expansion.getVersion().isVerified() ? "✔" : "❌", expansion.getVersion().isVerified() ? GREEN : RED, TextDecoration.BOLD))
+              .append(newline())
+              .append(text("Released: ", AQUA)).append(text(format.format(expansion.getLastUpdate()), WHITE))
+              .toBuilder();
 
             line.hoverEvent(HoverEvent.showText(hoverText.build()));
 

src/main/java/me/clip/placeholderapi/commands/impl/cloud/CommandECloudExpansionPlaceholders.java

@@ -21,9 +21,11 @@
 package me.clip.placeholderapi.commands.impl.cloud;
 
 import com.google.common.collect.Lists;
+
 import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.expansion.cloud.CloudExpansion;

src/main/java/me/clip/placeholderapi/commands/impl/cloud/CommandECloudRefresh.java

@@ -21,6 +21,7 @@
 package me.clip.placeholderapi.commands.impl.cloud;
 
 import java.util.List;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.util.Msg;

src/main/java/me/clip/placeholderapi/commands/impl/cloud/CommandECloudStatus.java

@@ -21,6 +21,7 @@
 package me.clip.placeholderapi.commands.impl.cloud;
 
 import java.util.List;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.expansion.manager.CloudExpansionManager;

src/main/java/me/clip/placeholderapi/commands/impl/cloud/CommandECloudUpdate.java

@@ -21,6 +21,7 @@
 package me.clip.placeholderapi.commands.impl.cloud;
 
 import com.google.common.collect.Lists;
+
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
@@ -28,6 +29,7 @@ import java.util.Objects;
 import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
 import java.util.stream.Collectors;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.expansion.PlaceholderExpansion;

src/main/java/me/clip/placeholderapi/commands/impl/local/CommandExpansionRegister.java

@@ -25,6 +25,7 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 import java.util.logging.Level;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.expansion.PlaceholderExpansion;

src/main/java/me/clip/placeholderapi/commands/impl/local/CommandExpansionUnregister.java

@@ -22,6 +22,7 @@ package me.clip.placeholderapi.commands.impl.local;
 
 import java.util.List;
 import java.util.Optional;
+
 import me.clip.placeholderapi.PlaceholderAPI;
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;

src/main/java/me/clip/placeholderapi/commands/impl/local/CommandHelp.java

@@ -21,6 +21,7 @@
 package me.clip.placeholderapi.commands.impl.local;
 
 import java.util.List;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.util.Msg;

src/main/java/me/clip/placeholderapi/commands/impl/local/CommandInfo.java

@@ -21,6 +21,7 @@
 package me.clip.placeholderapi.commands.impl.local;
 
 import java.util.List;
+
 import me.clip.placeholderapi.PlaceholderAPI;
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;

src/main/java/me/clip/placeholderapi/commands/impl/local/CommandList.java

@@ -21,9 +21,11 @@
 package me.clip.placeholderapi.commands.impl.local;
 
 import com.google.common.collect.Lists;
+
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
+
 import me.clip.placeholderapi.PlaceholderAPI;
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;

src/main/java/me/clip/placeholderapi/commands/impl/local/CommandParse.java

@@ -25,6 +25,7 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Set;
 import java.util.stream.Stream;
+
 import me.clip.placeholderapi.PlaceholderAPI;
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;

src/main/java/me/clip/placeholderapi/commands/impl/local/CommandReload.java

@@ -21,8 +21,10 @@
 package me.clip.placeholderapi.commands.impl.local;
 
 import java.util.List;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
+import me.clip.placeholderapi.util.ExpansionSafetyCheck;
 import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Unmodifiable;
@@ -37,7 +39,9 @@ public final class CommandReload extends PlaceholderCommand {
   public void evaluate(@NotNull final PlaceholderAPIPlugin plugin,
       @NotNull final CommandSender sender, @NotNull final String alias,
       @NotNull @Unmodifiable final List<String> params) {
+    if (!new ExpansionSafetyCheck(plugin).runChecks()) {
       plugin.reloadConf(sender);
     }
+  }
 
 }

src/main/java/me/clip/placeholderapi/commands/impl/local/CommandVersion.java

@@ -21,6 +21,7 @@
 package me.clip.placeholderapi.commands.impl.local;
 
 import java.util.List;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.commands.PlaceholderCommand;
 import me.clip.placeholderapi.util.Msg;

src/main/java/me/clip/placeholderapi/configuration/PlaceholderAPIConfig.java

@@ -86,4 +86,8 @@ public final class PlaceholderAPIConfig {
     return plugin.getConfig().getString("boolean.false", "false");
   }
 
+  public boolean detectMaliciousExpansions() {
+    return plugin.getConfig().getBoolean("detect_malicious_expansions", true);
+  }
+
 }

src/main/java/me/clip/placeholderapi/events/ExpansionsLoadedEvent.java

@@ -23,6 +23,7 @@ package me.clip.placeholderapi.events;
 
 import java.util.Collections;
 import java.util.List;
+
 import me.clip.placeholderapi.expansion.PlaceholderExpansion;
 import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;

src/main/java/me/clip/placeholderapi/expansion/NMSVersion.java

@@ -51,7 +51,12 @@ public enum NMSVersion {
   SPIGOT_1_20_R2("v1_20_R2"),
   SPIGOT_1_20_R3("v1_20_R3"),
   SPIGOT_1_20_R4("v1_20_R4"),
-  SPIGOT_1_21_R1("v1_21_R1");
+  SPIGOT_1_21_R1("v1_21_R1"),
+  SPIGOT_1_21_R2("V1_21_R2"),
+  SPIGOT_1_21_R3("V1_21_R3"),
+  SPIGOT_1_21_R4("V1_21_R4"),
+  SPIGOT_1_21_R5("V1_21_R5"),
+  SPIGOT_1_21_R6("V1_21_R6");
 
   private final String version;
 

src/main/java/me/clip/placeholderapi/expansion/cloud/CloudExpansion.java

@@ -23,6 +23,7 @@ package me.clip.placeholderapi.expansion.cloud;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
+
 import me.clip.placeholderapi.util.TimeUtil;
 
 
@@ -36,8 +37,7 @@ public class CloudExpansion {
             dependency_url;
 
   private boolean hasExpansion,
-      shouldUpdate,
+      shouldUpdate;
-      verified;
 
     private long last_update,
             ratings_count;
@@ -135,10 +135,6 @@ public class CloudExpansion {
         this.shouldUpdate = shouldUpdate;
     }
 
-  public boolean isVerified() {
-    return verified;
-  }
-
   public long getLastUpdate() {
     return last_update;
   }
@@ -174,6 +170,7 @@ public class CloudExpansion {
     public static class Version {
 
     private String url, version, release_notes;
+    private boolean verified;
 
         public String getUrl() {
             return url;
@@ -199,4 +196,13 @@ public class CloudExpansion {
             this.release_notes = release_notes;
         }
     }
+
+    public boolean isVerified() {
+      return verified;
+    }
+
+    public void setVerified(boolean verified) {
+      this.verified = verified;
+    }
+  }
 }

src/main/java/me/clip/placeholderapi/expansion/manager/CloudExpansionManager.java

@@ -25,6 +25,7 @@ import com.google.common.io.Resources;
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
+
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -50,6 +51,7 @@ import java.util.function.Function;
 import java.util.logging.Level;
 import java.util.stream.Collector;
 import java.util.stream.Collectors;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.expansion.PlaceholderExpansion;
 import me.clip.placeholderapi.expansion.cloud.CloudExpansion;
@@ -60,7 +62,7 @@ import org.jetbrains.annotations.Unmodifiable;
 public final class CloudExpansionManager {
 
   @NotNull
-  private static final String API_URL = "http://api.extendedclip.com/v2/";
+  private static final String API_URL = "https://ecloud.placeholderapi.com/api/v3/";
 
     @NotNull
     private static final Gson GSON = new Gson();

src/main/java/me/clip/placeholderapi/expansion/manager/LocalExpansionManager.java

@@ -22,6 +22,7 @@ package me.clip.placeholderapi.expansion.manager;
 
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Sets;
+
 import java.io.File;
 import java.lang.reflect.Modifier;
 import java.util.Arrays;
@@ -38,6 +39,7 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.logging.Level;
 import java.util.stream.Collectors;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import me.clip.placeholderapi.events.ExpansionRegisterEvent;
 import me.clip.placeholderapi.events.ExpansionUnregisterEvent;
@@ -213,6 +215,7 @@ public final class LocalExpansionManager implements Listener {
 
     /**
      * Attempt to register a {@link PlaceholderExpansion}
+     *
      * @param expansion the expansion to register
      * @return if the expansion was registered
      */

src/main/java/me/clip/placeholderapi/replacer/CharsReplacer.java

@@ -22,6 +22,7 @@ package me.clip.placeholderapi.replacer;
 
 import java.util.Locale;
 import java.util.function.Function;
+
 import me.clip.placeholderapi.expansion.PlaceholderExpansion;
 import org.bukkit.ChatColor;
 import org.bukkit.OfflinePlayer;
@@ -43,6 +44,8 @@ public final class CharsReplacer implements Replacer {
     public String apply(@NotNull final String text, @Nullable final OfflinePlayer player,
                         @NotNull final Function<String, @Nullable PlaceholderExpansion> lookup) {
         final char[] chars = text.toCharArray();
+        // Woo! Hlello %player_name%
+        // Woo! GHsda PiggyPiglet
         final StringBuilder builder = new StringBuilder(text.length());
 
         final StringBuilder identifier = new StringBuilder();

src/main/java/me/clip/placeholderapi/replacer/ComponentReplacer.java

@@ -0,0 +1,171 @@
+package me.clip.placeholderapi.replacer;
+
+import me.clip.placeholderapi.PlaceholderAPI;
+import me.clip.placeholderapi.expansion.PlaceholderExpansion;
+import net.kyori.adventure.text.*;
+import net.kyori.adventure.text.event.ClickEvent;
+import net.kyori.adventure.text.event.HoverEvent;
+import net.kyori.adventure.text.format.Style;
+import org.bukkit.OfflinePlayer;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.function.Function;
+
+public final class ComponentReplacer {
+    public Component replace(Component component, OfflinePlayer player, Function<String, PlaceholderExpansion> function) {
+        Component modified = component;
+
+        final List<Component> oldChildren = component.children();
+        final int oldChildrenSize = oldChildren.size();
+        List<Component> children = null;
+
+        if (component instanceof TextComponent) {
+            TextComponent tc = (TextComponent) component;
+            final String content = tc.content();
+
+            final char[] chars = content.toCharArray();
+
+            final StringBuilder identifier = new StringBuilder();
+            final StringBuilder parameters = new StringBuilder();
+
+            for (int i = 0; i < chars.length; i++) {
+                final char l = chars[i];
+
+                if (l != '%' || i + 1 >= chars.length) {
+                    continue;
+                }
+
+                final int start = i;
+
+                boolean identified = false;
+                boolean invalid = true;
+
+                while (++i < chars.length) {
+                    final char p = chars[i];
+
+                    if (p == ' ' && !identified) {
+                        break;
+                    }
+
+                    if (p == '%') {
+                        invalid = false;
+                        break;
+                    }
+
+                    if (p == '_' && !identified) {
+                        identified = true;
+                        continue;
+                    }
+
+                    if (identified) {
+                        parameters.append(p);
+                    } else {
+                        identifier.append(p);
+                    }
+                }
+
+                final String identifierString = identifier.toString();
+                final String lowercaseIdentifierString = identifierString.toLowerCase(Locale.ROOT);
+                final String parametersString = parameters.toString();
+
+                identifier.setLength(0);
+                parameters.setLength(0);
+
+                if (invalid) {
+                    continue;
+                }
+
+                final PlaceholderExpansion expansion = function.apply(lowercaseIdentifierString);
+
+                if (expansion == null) {
+                    continue;
+                }
+
+                final String placeholderValue = expansion.onRequest(player, parametersString);
+
+                if (placeholderValue == null) {
+                    continue;
+                }
+
+                if (start == 0) {
+                    // if we're a full match, modify the component directly
+                    if (i == content.length() - 1) {
+                        final ComponentLike replacement = Component.text(placeholderValue).style(component.style());
+
+                        modified = replacement.asComponent();
+                        Style modStyle = modified.style();
+
+                        if (modStyle.hoverEvent() != null) {
+                            Object hoverValue = modStyle.hoverEvent().value();
+
+                            if (hoverValue instanceof Component) {
+                                final Object replacedValue = replace((Component) hoverValue, player, function);
+
+                                if (replacedValue != hoverValue) {
+                                    ((HoverEvent<Object>) modified.style().hoverEvent()).value(replacedValue);
+                                }
+                            }
+                        }
+
+                        if (modStyle.clickEvent() != null) {
+                            final ClickEvent.Payload payload = modStyle.clickEvent().payload();
+
+                            if (payload instanceof ClickEvent.Payload.Text) {
+                                final ClickEvent.Payload.Text replacedPayload = ClickEvent.Payload.string(PlaceholderAPI.setPlaceholders(player, ((ClickEvent.Payload.Text) payload).value()));
+                                modStyle.clickEvent(ClickEvent.clickEvent(modStyle.clickEvent().action(), replacedPayload));
+                            } else if (payload instanceof ClickEvent.Payload.Dialog) {
+                                final ClickEvent.Payload.Dialog replacedPayload;
+
+//                                ((ClickEvent.Payload.Dialog) payload).dialog()
+                                // apparently adventure doesn't have dialog support yet
+                            }
+                        }
+
+                        if (children == null) {
+                            children = new ArrayList<>(oldChildrenSize + modified.children().size());
+                            children.addAll(modified.children());
+                        }
+                    } else {
+                        modified = Component.text("", component.style());
+//                        final ComponentLike child =
+                    }
+                }
+            }
+
+        } else if (component instanceof TranslatableComponent) {
+            TranslatableComponent tc = (TranslatableComponent) component;
+            final List<TranslationArgument> args = tc.arguments();
+            List<TranslationArgument> newArgs = null;
+            for (int i = 0, size = args.size(); i < size; i++) {
+                final TranslationArgument original = args.get(i);
+                TranslationArgument replacement = original instanceof Component ? TranslationArgument.component(replace((Component) original, player, function)) : original;
+
+                if (original != replacement) {
+                    if (newArgs == null) {
+                        newArgs = new ArrayList<>(size);
+
+                        if (i > 0) {
+                            newArgs.addAll(args.subList(0, i));
+                        }
+                    }
+                }
+
+                if (newArgs != null) {
+                    newArgs.add(replacement);
+                }
+            }
+
+            if (newArgs != null) {
+                modified = ((TranslatableComponent) modified).arguments(newArgs);
+            }
+        }
+
+        return modified;
+    }
+
+    private static <V> void test(HoverEvent<V> event, V value) {
+        event.value(value);
+    }
+}

src/main/java/me/clip/placeholderapi/replacer/ExactReplacer.java

@@ -0,0 +1,48 @@
+package me.clip.placeholderapi.replacer;
+
+import me.clip.placeholderapi.expansion.PlaceholderExpansion;
+import org.bukkit.OfflinePlayer;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.function.Function;
+import java.util.regex.Pattern;
+
+public class ExactReplacer implements Replacer {
+    private static final Pattern DELIMITER = Pattern.compile("_");
+
+    @NotNull
+    @Override
+    public String apply(@NotNull String text, @Nullable final OfflinePlayer player,
+                        @NotNull final Function<String, @Nullable PlaceholderExpansion> lookup) {
+        text = text.substring(1, text.length() - 1);
+        final String[] parts = DELIMITER.split(text);
+        final PlaceholderExpansion expansion;
+
+        if (parts.length == 0) {
+            expansion = lookup.apply(text);
+        } else {
+            expansion = lookup.apply(parts[0]);
+        }
+
+        if (expansion == null) {
+            return text;
+        }
+
+        final String params;
+
+        if (text.endsWith("_")) {
+            params = "";
+        } else {
+            params = text.substring(text.indexOf('_') + 1);
+        }
+
+        final String result = expansion.onRequest(player, params);
+
+        if (result == null) {
+            return text;
+        }
+
+        return result;
+    }
+}

src/main/java/me/clip/placeholderapi/replacer/Replacer.java

@@ -21,6 +21,7 @@
 package me.clip.placeholderapi.replacer;
 
 import java.util.function.Function;
+
 import me.clip.placeholderapi.expansion.PlaceholderExpansion;
 import org.bukkit.OfflinePlayer;
 import org.jetbrains.annotations.NotNull;

src/main/java/me/clip/placeholderapi/scheduler/scheduling/schedulers/TaskScheduler.java

@@ -37,7 +37,7 @@ public interface TaskScheduler {
 
     /**
      * <b>Folia</b>: Returns whether the current thread is ticking the global region <br>
-     * <b>Paper & Bukkit</b>: Returns {@link org.bukkit.Server#isPrimaryThread}
+     * <b>Paper and Bukkit</b>: Returns {@link org.bukkit.Server#isPrimaryThread}
      */
     boolean isGlobalThread();
 
@@ -49,7 +49,7 @@ public interface TaskScheduler {
     }
 
     /**
-     * <b>Folia & Paper</b>: Returns whether the current thread is ticking a region and that the region
+     * <b>Folia and Paper</b>: Returns whether the current thread is ticking a region and that the region
      * being ticked owns the specified entity. Note that this function is the only appropriate method of
      * checking for ownership of an entity, as retrieving the entity's location is undefined unless the
      * entity is owned by the current region
@@ -61,7 +61,7 @@ public interface TaskScheduler {
     boolean isEntityThread(Entity entity);
 
     /**
-     * <b>Folia & Paper</b>: Returns whether the current thread is ticking a region and that the region
+     * <b>Folia and Paper</b>: Returns whether the current thread is ticking a region and that the region
      * being ticked owns the chunk at the specified world and block position as included in the specified location
      * <p>
      * <b>Bukkit</b>: returns {@link org.bukkit.Server#isPrimaryThread}
@@ -72,7 +72,7 @@ public interface TaskScheduler {
 
     /**
      * Schedules a task to be executed on the next tick <br>
-     * <b>Folia & Paper</b>: ...on the global region <br>
+     * <b>Folia and Paper</b>: ...on the global region <br>
      * <b>Bukkit</b>: ...on the main thread
      *
      * @param runnable The task to execute
@@ -81,7 +81,7 @@ public interface TaskScheduler {
 
     /**
      * Schedules a task to be executed after the specified delay in ticks <br>
-     * <b>Folia & Paper</b>: ...on the global region <br>
+     * <b>Folia and Paper</b>: ...on the global region <br>
      * <b>Bukkit</b>: ...on the main thread
      *
      * @param runnable The task to execute
@@ -91,7 +91,7 @@ public interface TaskScheduler {
 
     /**
      * Schedules a repeating task to be executed after the initial delay with the specified period <br>
-     * <b>Folia & Paper</b>: ...on the global region <br>
+     * <b>Folia and Paper</b>: ...on the global region <br>
      * <b>Bukkit</b>: ...on the main thread
      *
      * @param runnable The task to execute
@@ -125,7 +125,7 @@ public interface TaskScheduler {
     }
 
     /**
-     * <b>Folia & Paper</b>: Schedules a task to be executed on the region which owns the location on the next tick
+     * <b>Folia and Paper</b>: Schedules a task to be executed on the region which owns the location on the next tick
      * <p>
      * <b>Bukkit</b>: same as {@link #runTask(Runnable)}
      *
@@ -137,7 +137,7 @@ public interface TaskScheduler {
     }
 
     /**
-     * <b>Folia & Paper</b>: Schedules a task to be executed on the region which owns the location after the
+     * <b>Folia and Paper</b>: Schedules a task to be executed on the region which owns the location after the
      * specified delay in ticks
      * <p>
      * <b>Bukkit</b>: same as {@link #runTaskLater(Runnable, long)}
@@ -151,7 +151,7 @@ public interface TaskScheduler {
     }
 
     /**
-     * <b>Folia & Paper</b>: Schedules a repeating task to be executed on the region which owns the location
+     * <b>Folia and Paper</b>: Schedules a repeating task to be executed on the region which owns the location
      * after the initial delay with the specified period
      * <p>
      * <b>Bukkit</b>: same as {@link #runTaskTimer(Runnable, long, long)}
@@ -190,7 +190,7 @@ public interface TaskScheduler {
     }
 
     /**
-     * <b>Folia & Paper</b>: Schedules a task to be executed on the region which owns the location
+     * <b>Folia and Paper</b>: Schedules a task to be executed on the region which owns the location
      * of given entity on the next tick
      * <p>
      * <b>Bukkit</b>: same as {@link #runTask(Runnable)}
@@ -203,7 +203,7 @@ public interface TaskScheduler {
     }
 
     /**
-     * <b>Folia & Paper</b>: Schedules a task to be executed on the region which owns the location
+     * <b>Folia and Paper</b>: Schedules a task to be executed on the region which owns the location
      * of given entity after the specified delay in ticks
      * <p>
      * <b>Bukkit</b>: same as {@link #runTaskLater(Runnable, long)}
@@ -217,7 +217,7 @@ public interface TaskScheduler {
     }
 
     /**
-     * <b>Folia & Paper</b>: Schedules a repeating task to be executed on the region which owns the
+     * <b>Folia and Paper</b>: Schedules a repeating task to be executed on the region which owns the
      * location of given entity after the initial delay with the specified period
      * <p>
      * <b>Bukkit</b>: same as {@link #runTaskTimer(Runnable, long, long)}
@@ -285,7 +285,7 @@ public interface TaskScheduler {
 
     /**
      * Calls a method on the main thread and returns a Future object. This task will be executed
-     * by the main(Bukkit)/global(Folia&Paper) server thread.
+     * by the main(Bukkit)/global(FoliaandPaper) server thread.
      * <p>
      * Note: The Future.get() methods must NOT be called from the main thread.
      * <p>

src/main/java/me/clip/placeholderapi/util/ExpansionSafetyCheck.java

@@ -0,0 +1,80 @@
+package me.clip.placeholderapi.util;
+
+import com.google.common.hash.Hashing;
+import com.google.common.io.Files;
+import com.google.common.io.Resources;
+import me.clip.placeholderapi.PlaceholderAPIPlugin;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.File;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.stream.Collectors;
+
+public final class ExpansionSafetyCheck {
+    private static final String MESSAGE =
+            "\n###############################################\n" +
+            "###############################################\n" +
+            "PlaceholderAPI performs checks at startup and /papi reload for known malicious expansions. If you're seeing this message, there are the following malicious expansions in plugins/PlaceholderAPI/expansions.\n" +
+            "%s" +
+            "To prevent further infection PlaceholderAPI has stopped the server.\n" +
+            "If you're seeing this message after updating PAPI, your server may have been infected for some time, so best practice is a complete system wipe and reinstall of your server software and plugins to be safe.\n" +
+            "If you're seeing this after downloading an expansion however, PAPI hasn't loaded any of the malicious expansions above so you should be safe to simply delete the expansion in question.\n" +
+            "###############################################\n" +
+            "###############################################";
+
+    private final PlaceholderAPIPlugin main;
+
+    public ExpansionSafetyCheck(@NotNull final PlaceholderAPIPlugin main) {
+        this.main = main;
+    }
+
+    public boolean runChecks() {
+        if (!main.getPlaceholderAPIConfig().detectMaliciousExpansions()) {
+            return false;
+        }
+
+        final File expansionsFolder = new File(main.getDataFolder(), "expansions");
+
+        if (!expansionsFolder.exists()) {
+            return false;
+        }
+
+        final Set<String> knownMaliciousExpansions;
+
+        try {
+            final String hashes = Resources.toString(new URL("https://check.placeholderapi.com"), StandardCharsets.UTF_8);
+            knownMaliciousExpansions = Arrays.stream(hashes.split("\n")).collect(Collectors.toSet());
+        } catch (Exception e) {
+            main.getLogger().log(Level.SEVERE, "Failed to download anti malware hash check list from https://check.placeholderapi.com", e);
+            return false;
+        }
+
+        final Set<String> maliciousPaths = new HashSet<>();
+
+        for (File file : expansionsFolder.listFiles()) {
+            try {
+                final String hash = Hashing.sha256().hashBytes(Files.asByteSource(file).read()).toString();
+
+                if (knownMaliciousExpansions.contains(hash)) {
+                    maliciousPaths.add(file.getAbsolutePath());
+                }
+            } catch (Exception e) {
+                main.getLogger().log(Level.SEVERE, "Error occurred while trying to read " + file.getAbsolutePath(), e);
+            }
+        }
+
+        if (maliciousPaths.isEmpty()) {
+            return false;
+        }
+
+        main.getLogger().severe(String.format(MESSAGE, maliciousPaths.stream().map(p -> "HASH OF " + p + " MATCHES KNOWN MALICIOUS EXPANSION DELETE IMMEDIATELY\n").collect(Collectors.joining())));
+
+        main.getServer().shutdown();
+        return true;
+    }
+}

src/main/java/me/clip/placeholderapi/util/Format.java

@@ -29,6 +29,7 @@ import static java.util.stream.IntStream.range;
 
 import java.util.List;
 import java.util.Optional;
+
 import org.jetbrains.annotations.NotNull;
 
 /**

src/main/java/me/clip/placeholderapi/util/Msg.java

@@ -23,6 +23,7 @@ package me.clip.placeholderapi.util;
 import java.util.Arrays;
 import java.util.logging.Level;
 import java.util.stream.Collectors;
+
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;

src/main/resources/config.yml

@@ -8,6 +8,8 @@
 # Discord: https://helpch.at/discord
 # No placeholders are provided with this plugin by default.
 # Download placeholders: /papi ecloud
+#
+# CHANGE use_regex_component_replacer to true if you notice new minecraft text features not getting their placeholders replaced properly -- may cause performance issues
 check_updates: true
 cloud_enabled: true
 cloud_sorting: "name"
@@ -15,4 +17,6 @@ boolean:
   'true': 'yes'
   'false': 'no'
 date_format: MM/dd/yy HH:mm:ss
+use_regex_component_replacer: false
+detect_malicious_expansions: true
 debug: false

src/main/resources/plugin.yml

@@ -12,6 +12,8 @@ commands:
   placeholderapi:
     description: "PlaceholderAPI Command"
     aliases: ["papi"]
+  test:
+    description: "yes"
 
 permissions:
   placeholderapi.*: