Workaround for command block crashes

src/main/java/pw/kaboom/extras/commands/CommandSkin.java

@@ -27,62 +27,6 @@ class CommandSkin implements CommandExecutor {
 		this.main = main;
 	}
 
-	private void changeSkin(final Player player, final String name) {
-		new BukkitRunnable() {
-			public void run() {
-				try {
-					final URL nameUrl = new URL("https://api.mojang.com/users/profiles/minecraft/" + name);
-					final HttpsURLConnection nameConnection = (HttpsURLConnection) nameUrl.openConnection();
-
-					if (nameConnection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
-						final InputStreamReader nameStream = new InputStreamReader(nameConnection.getInputStream());
-						final String uuid = new JsonParser().parse(nameStream).getAsJsonObject().get("id").getAsString();
-						nameStream.close();
-						nameConnection.disconnect();
-
-						final URL uuidUrl = new URL("https://sessionserver.mojang.com/session/minecraft/profile/" + uuid + "?unsigned=false");
-						final HttpsURLConnection uuidConnection = (HttpsURLConnection) uuidUrl.openConnection();
-
-						if (uuidConnection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
-							final InputStreamReader uuidStream = new InputStreamReader(uuidConnection.getInputStream());
-							final JsonObject response = new JsonParser().parse(uuidStream).getAsJsonObject().get("properties").getAsJsonArray().get(0).getAsJsonObject();
-							final String texture = response.get("value").getAsString();
-							final String signature = response.get("signature").getAsString();
-							uuidStream.close();
-							uuidConnection.disconnect();
-
-							final PlayerProfile textureProfile = player.getPlayerProfile();
-							textureProfile.clearProperties();
-							textureProfile.setProperty(new ProfileProperty("textures", texture, signature));
-
-							new BukkitRunnable() {
-								public void run() {
-									player.setPlayerProfile(textureProfile);
-									player.sendMessage("Successfully set your skin to " + name + "'s");
-								}
-							}.runTask(main);
-						} else {
-							uuidConnection.disconnect();
-							new BukkitRunnable() {
-								public void run() {
-									player.sendMessage("Failed to change skin. Try again later");
-								}
-							}.runTask(main);
-						}
-					} else {
-						nameConnection.disconnect();
-						new BukkitRunnable() {
-							public void run() {
-								player.sendMessage("A player with that username doesn't exist");
-							}
-						}.runTask(main);
-					}
-				} catch (Exception exception) {
-				}
-			}
-		}.runTaskAsynchronously(main);
-	}
-
 	public boolean onCommand(CommandSender sender, Command command, String label, final String[] args) {
 		final Player player = (Player) sender;
 
@@ -90,7 +34,40 @@ class CommandSkin implements CommandExecutor {
 			player.sendMessage(ChatColor.RED + "Usage: /" + label + " <username>");
 		} else {
 			final String name = args[0];
-			changeSkin(player, name);
+			new BukkitRunnable() {
+				public void run() {
+					try {
+						final URL skinUrl = new URL("https://api.ashcon.app/mojang/v2/user/" + name);
+						final HttpsURLConnection skinConnection = (HttpsURLConnection) skinUrl.openConnection();
+
+						if (skinConnection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
+							final InputStreamReader skinStream = new InputStreamReader(skinConnection.getInputStream());
+							final JsonObject response = new JsonParser().parse(skinStream).getAsJsonObject();
+							final String uuid = response.get("uuid").getAsString();
+							final JsonObject rawSkin = response.getAsJsonObject("textures").getAsJsonObject("raw");
+							final String texture = rawSkin.get("value").getAsString();
+							final String signature = rawSkin.get("signature").getAsString();
+							skinStream.close();
+
+							final PlayerProfile textureProfile = player.getPlayerProfile();
+							textureProfile.clearProperties();
+							textureProfile.setProperty(new ProfileProperty("textures", texture, signature));
+
+							player.sendMessage("Successfully set your skin to " + name + "'s");
+							new BukkitRunnable() {
+								public void run() {
+									player.setPlayerProfile(textureProfile);
+								}
+							}.runTask(main);
+						} else {
+							player.sendMessage("A player with that username doesn't exist");
+						}
+
+						skinConnection.disconnect();
+					} catch (Exception exception) {
+					}
+				}
+			}.runTaskAsynchronously(main);
 		}
 		return true;
 	}

src/main/java/pw/kaboom/extras/commands/CommandUsername.java

@@ -27,60 +27,6 @@ class CommandUsername implements CommandExecutor {
 		this.main = main;
 	}
 
-	private void changeUsernameSkin(final Player player, final String[] name) {
-		new BukkitRunnable() {
-			public void run() {
-				try {
-					String texture = "";
-					String signature = "";
-
-					final String nameColor = ChatColor.translateAlternateColorCodes('&', String.join(" ", name));
-					final String nameShort = nameColor.substring(0, Math.min(16, nameColor.length()));
-
-					final URL nameUrl = new URL("https://api.mojang.com/users/profiles/minecraft/" + nameShort);
-					final HttpsURLConnection nameConnection = (HttpsURLConnection) nameUrl.openConnection();
-
-					if (nameConnection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
-						final InputStreamReader nameStream = new InputStreamReader(nameConnection.getInputStream());
-						final String uuid = new JsonParser().parse(nameStream).getAsJsonObject().get("id").getAsString();
-						nameStream.close();
-						nameConnection.disconnect();
-
-						final URL uuidUrl = new URL("https://sessionserver.mojang.com/session/minecraft/profile/" + uuid + "?unsigned=false");
-						final HttpsURLConnection uuidConnection = (HttpsURLConnection) uuidUrl.openConnection();
-
-						if (uuidConnection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
-							final InputStreamReader uuidStream = new InputStreamReader(uuidConnection.getInputStream());
-							final JsonObject response = new JsonParser().parse(uuidStream).getAsJsonObject().get("properties").getAsJsonArray().get(0).getAsJsonObject();
-							texture = response.get("value").getAsString();
-							signature = response.get("signature").getAsString();
-
-							uuidStream.close();
-							uuidConnection.disconnect();
-						}
-					}
-
-					final PlayerProfile profile = player.getPlayerProfile();
-					profile.clearProperties();
-					profile.setName(nameShort);
-
-					if (!("".equals(texture)) &&
-						!("".equals(signature))) {
-						profile.setProperty(new ProfileProperty("textures", texture, signature));
-					}
-
-					new BukkitRunnable() {
-						public void run() {
-							player.setPlayerProfile(profile);
-							player.sendMessage("Successfully set your username to \"" + nameShort + "\"");
-						}
-					}.runTask(main);
-				} catch (Exception exception) {
-				}
-			}
-		}.runTaskAsynchronously(main);
-	}
-
 	public boolean onCommand(CommandSender sender, Command command, String label, final String[] args) {
 		final Player player = (Player) sender;
 
@@ -88,7 +34,49 @@ class CommandUsername implements CommandExecutor {
 			player.sendMessage(ChatColor.RED + "Usage: /" + label + " <username>");
 		} else {
 			final String[] name = args;
-			changeUsernameSkin(player, name);
+
+			new BukkitRunnable() {
+				public void run() {
+					try {
+						String texture = "";
+						String signature = "";
+
+						final String nameColor = ChatColor.translateAlternateColorCodes('&', String.join(" ", name));
+						final String nameShort = nameColor.substring(0, Math.min(16, nameColor.length()));
+
+						final URL skinUrl = new URL("https://api.ashcon.app/mojang/v2/user/" + nameShort);
+						final HttpsURLConnection skinConnection = (HttpsURLConnection) skinUrl.openConnection();
+
+						if (skinConnection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
+							final InputStreamReader skinStream = new InputStreamReader(skinConnection.getInputStream());
+							final JsonObject response = new JsonParser().parse(skinStream).getAsJsonObject();
+							final String uuid = response.get("uuid").getAsString();
+							final JsonObject rawSkin = response.getAsJsonObject("textures").getAsJsonObject("raw");
+							texture = rawSkin.get("value").getAsString();
+							signature = rawSkin.get("signature").getAsString();
+							skinStream.close();
+						}
+
+						skinConnection.disconnect();
+
+						final PlayerProfile profile = player.getPlayerProfile();
+						profile.setName(nameShort);
+
+						if (!("".equals(texture)) &&
+							!("".equals(signature))) {
+							profile.setProperty(new ProfileProperty("textures", texture, signature));
+						}
+
+						player.sendMessage("Successfully set your username to \"" + nameShort + "\"");
+						new BukkitRunnable() {
+							public void run() {
+								player.setPlayerProfile(profile);
+							}
+						}.runTask(main);
+					} catch (Exception exception) {
+					}
+				}
+			}.runTaskAsynchronously(main);
 		}
 		return true;
 	}

src/main/java/pw/kaboom/extras/modules/block/BlockCheck.java

@@ -1,11 +1,16 @@
 package pw.kaboom.extras;
 
+import org.bukkit.block.BlockState;
+import org.bukkit.block.CommandBlock;
+
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.block.SignChangeEvent;
 
+import org.bukkit.event.world.ChunkLoadEvent;
+
 class BlockCheck implements Listener {
 	@EventHandler
 	void onBlockPlace(BlockPlaceEvent event) {
@@ -20,6 +25,17 @@ class BlockCheck implements Listener {
 		}
 	}
 
+	@EventHandler
+	void onChunkLoad(ChunkLoadEvent event) {
+		if (!event.isNewChunk()) {
+			for (BlockState block : event.getChunk().getTileEntities()) {
+				if (block instanceof CommandBlock) {
+					block.update();
+				}
+			}
+		}
+	}
+
 	@EventHandler
 	void onSignChange(SignChangeEvent event) {
 		try {

src/main/java/pw/kaboom/extras/modules/player/PlayerConnection.java

@@ -44,35 +44,26 @@ class PlayerConnection implements Listener {
 		main.interactMillisList.put(event.getUniqueId(), System.currentTimeMillis());
 
 		try {
-			final URL nameUrl = new URL("https://api.mojang.com/users/profiles/minecraft/" + event.getName());
+			final URL skinUrl = new URL("https://api.ashcon.app/mojang/v2/user/" + event.getName());
-			final HttpsURLConnection nameConnection = (HttpsURLConnection) nameUrl.openConnection();
+			final HttpsURLConnection skinConnection = (HttpsURLConnection) skinUrl.openConnection();
 
-			if (nameConnection != null &&
+			if (skinConnection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
-				nameConnection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
+				final InputStreamReader skinStream = new InputStreamReader(skinConnection.getInputStream());
-				final InputStreamReader nameStream = new InputStreamReader(nameConnection.getInputStream());
+				final JsonObject response = new JsonParser().parse(skinStream).getAsJsonObject();
-				final String uuid = new JsonParser().parse(nameStream).getAsJsonObject().get("id").getAsString();
+				final String uuid = response.get("uuid").getAsString();
-				nameStream.close();
+				final JsonObject rawSkin = response.getAsJsonObject("textures").getAsJsonObject("raw");
-				nameConnection.disconnect();
+				final String texture = rawSkin.get("value").getAsString();
+				final String signature = rawSkin.get("signature").getAsString();
+				skinStream.close();
 
-				final URL uuidUrl = new URL("https://sessionserver.mojang.com/session/minecraft/profile/" + uuid + "?unsigned=false");
+				final PlayerProfile textureProfile = event.getPlayerProfile();
-				final HttpsURLConnection uuidConnection = (HttpsURLConnection) uuidUrl.openConnection();
+				textureProfile.clearProperties();
+				textureProfile.setProperty(new ProfileProperty("textures", texture, signature));
 
-				if (uuidConnection != null &&
+				main.playerProfile.put(event.getName(), textureProfile);
-					uuidConnection.getResponseCode() == HttpsURLConnection.HTTP_OK) {
-					final InputStreamReader uuidStream = new InputStreamReader(uuidConnection.getInputStream());
-					final JsonObject response = new JsonParser().parse(uuidStream).getAsJsonObject().get("properties").getAsJsonArray().get(0).getAsJsonObject();
-					final String texture = response.get("value").getAsString();
-					final String signature = response.get("signature").getAsString();
-					uuidStream.close();
-					uuidConnection.disconnect();
-
-					final PlayerProfile textureProfile = event.getPlayerProfile();
-					textureProfile.clearProperties();
-					textureProfile.setProperty(new ProfileProperty("textures", texture, signature));
-
-					main.playerProfile.put(event.getName(), textureProfile);
-				}
 			}
+
+			skinConnection.disconnect();
 		} catch (Exception exception) {
 		}
 	}

src/main/java/pw/kaboom/extras/modules/player/PlayerDamage.java

@@ -24,12 +24,8 @@ class PlayerDamage implements Listener {
 	@EventHandler
 	void onEntityDamage(EntityDamageEvent event) {
 		if (event.getEntityType() == EntityType.PLAYER) {
-			if (((event.getCause() == DamageCause.CUSTOM ||
+			if (event.getCause() == DamageCause.VOID &&
-				event.getCause() == DamageCause.SUICIDE) &&
+				event.getDamage() == Float.MAX_VALUE) {
-				event.getDamage() == Short.MAX_VALUE) ||
-				(event.getCause() == DamageCause.VOID &&
-				event.getDamage() == Float.MAX_VALUE)) {
-				event.setDamage(Float.MAX_VALUE);
 				event.setCancelled(true);
 			}
 		}
@@ -60,10 +56,7 @@ class PlayerDamage implements Listener {
 			onlinePlayer.sendMessage(event.getDeathMessage());
 		}
 
-		if ((player.getLastDamageCause() != null &&
+		if (maxHealthLow) {
-			player.getLastDamageCause().getCause() == DamageCause.SUICIDE &&
-			player.getLastDamageCause().getDamage() == Float.MAX_VALUE) ||
-			maxHealthLow) {
 			return;
 		}
 

src/main/java/pw/kaboom/extras/modules/server/ServerCommand.java

@@ -10,6 +10,8 @@ import org.bukkit.event.Listener;
 
 import org.bukkit.event.server.ServerCommandEvent;
 
+import org.bukkit.event.world.ChunkLoadEvent;
+
 class ServerCommand implements Listener {
 	private Main main;
 	public ServerCommand(Main main) {