Improve world name/folder checking for create and import command.

Make use of the new WorldNameChecker class.

src/main/java/com/onarandombox/MultiverseCore/commands/CreateCommand.java

@@ -9,6 +9,7 @@ package com.onarandombox.MultiverseCore.commands;
 
 import com.onarandombox.MultiverseCore.MultiverseCore;
 import com.onarandombox.MultiverseCore.api.MVWorldManager;
+import com.onarandombox.MultiverseCore.utils.WorldNameChecker;
 import com.pneumaticraft.commandhandler.CommandHandler;
 import org.bukkit.ChatColor;
 import org.bukkit.World.Environment;
@@ -17,7 +18,6 @@ import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.permissions.PermissionDefault;
 
-import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -47,15 +47,9 @@ public class CreateCommand extends MultiverseCommand {
         this.worldManager = this.plugin.getMVWorldManager();
     }
 
-	private String trimWorldName(String userInput) {
-        // Removes relative paths.
-        return userInput.replaceAll("^[./\\\\]+", "");
-    }
-	
     @Override
     public void runCommand(CommandSender sender, List<String> args) {
-        String worldName = trimWorldName(args.get(0));
+        String worldName = args.get(0);
-        File worldFile = new File(this.plugin.getServer().getWorldContainer(), worldName);
         String env = args.get(1);
         String seed = CommandHandler.getFlag("-s", args);
         String generator = CommandHandler.getFlag("-g", args);
@@ -72,9 +66,9 @@ public class CreateCommand extends MultiverseCommand {
             }
         }
 
-		// Make sure the world name doesn't contain the words 'plugins' and '.dat'
+		if(!this.plugin.getMVConfig().isAllowUnsafeWorldName() && !WorldNameChecker.isValidWorldName(worldName)) {
-		if(worldName.contains("plugins")||worldName.contains(".dat")){
+			sender.sendMessage(ChatColor.RED + "Multiverse cannot create the world as the world name '"
-			sender.sendMessage(ChatColor.RED + "Multiverse cannot create a world that contains 'plugins' or '.dat'");
+                    + worldName + "' contains spaces or invalid characters!");
             return;
 		}
 
@@ -84,7 +78,7 @@ public class CreateCommand extends MultiverseCommand {
             return;
         }
 
-        if (worldFile.exists()) {
+        if (WorldNameChecker.checkFolder(worldName) != WorldNameChecker.FolderStatus.DOES_NOT_EXIST) {
             sender.sendMessage(ChatColor.RED + "A Folder/World already exists with this name!");
             sender.sendMessage(ChatColor.RED + "If you are confident it is a world you can import with /mvimport");
             return;

src/main/java/com/onarandombox/MultiverseCore/commands/ImportCommand.java

@@ -17,7 +17,6 @@ import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.permissions.PermissionDefault;
 
-import java.io.File;
 import java.util.Collection;
 import java.util.List;
 
@@ -56,14 +55,9 @@ public class ImportCommand extends MultiverseCommand {
         return worldList.toString();
     }
 
-    private String trimWorldName(String userInput) {
-        // Removes relative paths.
-        return userInput.replaceAll("^[./\\\\]+", "");
-    }
-
     @Override
     public void runCommand(CommandSender sender, List<String> args) {
-        String worldName = trimWorldName(args.get(0));
+        String worldName = args.get(0);
 
         if (worldName.toLowerCase().equals("--list") || worldName.toLowerCase().equals("-l")) {
             String worldList = this.getPotentialWorldStrings();
@@ -82,11 +76,11 @@ public class ImportCommand extends MultiverseCommand {
             return;
         }
 		
-		// Make sure the world name doesn't contain the words 'plugins' and '.dat'
+        if(!this.plugin.getMVConfig().isAllowUnsafeWorldName() && !WorldNameChecker.isValidWorldName(worldName)) {
-		if(worldName.contains("plugins")||worldName.contains(".dat")){
+            sender.sendMessage(ChatColor.RED + "Multiverse cannot import the world as the world name '"
-			sender.sendMessage(ChatColor.RED + "Multiverse cannot create a world that contains 'plugins' or '.dat'");
+                    + worldName + "' contains spaces or invalid characters!");
             return;
-		}
+        }
 
         // Make sure we don't already know about this world.
         if (this.worldManager.isMVWorld(worldName)) {
@@ -95,7 +89,18 @@ public class ImportCommand extends MultiverseCommand {
             return;
         }
 
-        File worldFile = new File(this.plugin.getServer().getWorldContainer(), worldName);
+        switch (WorldNameChecker.checkFolder(worldName)) {
+            case DOES_NOT_EXIST:
+                sender.sendMessage(ChatColor.RED + "FAILED.");
+                sender.sendMessage(ChatColor.RED + "That world folder does not exist. These look like worlds to me:");
+                sender.sendMessage(this.getPotentialWorldStrings());
+                return;
+            case NOT_A_WORLD:
+                sender.sendMessage(ChatColor.RED + "FAILED.");
+                sender.sendMessage(String.format("%s'%s' does not appear to be a world. It is lacking a .dat file.",
+                        ChatColor.RED, worldName));
+                return;
+        }
 
         String generator = CommandHandler.getFlag("-g", args);
         boolean useSpawnAdjust = true;
@@ -113,25 +118,18 @@ public class ImportCommand extends MultiverseCommand {
             return;
         }
 
-        if (!worldFile.exists()) {
+        if (env == null) {
-            sender.sendMessage(ChatColor.RED + "FAILED.");
-            String worldList = this.getPotentialWorldStrings();
-            sender.sendMessage("That world folder does not exist. These look like worlds to me:");
-            sender.sendMessage(worldList);
-        } else if (!WorldNameChecker.isValidWorldFolder(worldFile)) {
-            sender.sendMessage(ChatColor.RED + "FAILED.");
-            sender.sendMessage(String.format("'%s' does not appear to be a world. It is lacking a .dat file.",
-                                             worldName));
-        } else if (env == null) {
             sender.sendMessage(ChatColor.RED + "FAILED.");
             sender.sendMessage("That world environment did not exist.");
             sender.sendMessage("For a list of available world types, type: " + ChatColor.AQUA + "/mvenv");
+            return;
+        }
+
+        Command.broadcastCommandMessage(sender, String.format("Starting import of world '%s'...", worldName));
+        if (this.worldManager.addWorld(worldName, environment, null, null, null, generator, useSpawnAdjust)) {
+            Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Complete!");
         } else {
-            Command.broadcastCommandMessage(sender, String.format("Starting import of world '%s'...", worldName));
+            Command.broadcastCommandMessage(sender, ChatColor.RED + "Failed!");
-            if (this.worldManager.addWorld(worldName, environment, null, null, null, generator, useSpawnAdjust))
-                Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Complete!");
-            else
-                Command.broadcastCommandMessage(sender, ChatColor.RED + "Failed!");
         }
     }
 }

src/test/java/com/onarandombox/MultiverseCore/TestWorldStuff.java

@@ -30,7 +30,6 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentMatchers;
-import org.mockito.Matchers;
 import org.mockito.internal.verification.VerificationModeFactory;
 import org.powermock.core.classloader.annotations.PowerMockIgnore;
 import org.powermock.core.classloader.annotations.PrepareForTest;
@@ -38,8 +37,14 @@ import org.powermock.modules.junit4.PowerMockRunner;
 
 import java.io.File;
 
-import static junit.framework.Assert.*;
+import static junit.framework.Assert.assertEquals;
-import static org.mockito.Mockito.*;
+import static junit.framework.Assert.assertNotNull;
+import static junit.framework.Assert.assertTrue;
+import static junit.framework.Assert.fail;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 @RunWith(PowerMockRunner.class)
 @PrepareForTest({ PluginManager.class, MultiverseCore.class, Permission.class, Bukkit.class, WorldManager.class,
@@ -92,7 +97,7 @@ public class TestWorldStuff {
         // Import the first world. The world folder does not exist.
         plugin.onCommand(mockCommandSender, mockCommand, "", normalArgs);
         verify(mockCommandSender).sendMessage(ChatColor.RED + "FAILED.");
-        verify(mockCommandSender).sendMessage("That world folder does not exist. These look like worlds to me:");
+        verify(mockCommandSender).sendMessage(ChatColor.RED + "That world folder does not exist. These look like worlds to me:");
 
         // We should still have no worlds.
         assertEquals(0, creator.getCore().getMVWorldManager().getMVWorlds().size());