From 56a4493b368ac81c581ad56740079aa5a16c5eed Mon Sep 17 00:00:00 2001
From: Steven Lawson <steven@smlawson.com>
Date: Fri, 21 Oct 2011 00:17:02 -0400
Subject: [PATCH] Added system command interface.

---
 .../Commands/Command_gcmd.java                |  1 +
 .../Commands/Command_terminal.java            | 42 +++++++++++++
 .../TotalFreedomMod/TFM_RunSystemCommand.java | 63 +++++++++++++++++++
 src/plugin.yml                                |  3 +
 4 files changed, 109 insertions(+)
 create mode 100644 src/me/StevenLawson/TotalFreedomMod/Commands/Command_terminal.java
 create mode 100644 src/me/StevenLawson/TotalFreedomMod/TFM_RunSystemCommand.java

diff --git a/src/me/StevenLawson/TotalFreedomMod/Commands/Command_gcmd.java b/src/me/StevenLawson/TotalFreedomMod/Commands/Command_gcmd.java
index 01a5a92a..25b71fdd 100644
--- a/src/me/StevenLawson/TotalFreedomMod/Commands/Command_gcmd.java
+++ b/src/me/StevenLawson/TotalFreedomMod/Commands/Command_gcmd.java
@@ -45,6 +45,7 @@ public class Command_gcmd extends TFM_Command
             catch (Throwable ex)
             {
                 sender.sendMessage(ChatColor.GRAY + "Error building command: " + ex.getMessage());
+                return true;
             }
 
             try
diff --git a/src/me/StevenLawson/TotalFreedomMod/Commands/Command_terminal.java b/src/me/StevenLawson/TotalFreedomMod/Commands/Command_terminal.java
new file mode 100644
index 00000000..030701bb
--- /dev/null
+++ b/src/me/StevenLawson/TotalFreedomMod/Commands/Command_terminal.java
@@ -0,0 +1,42 @@
+package me.StevenLawson.TotalFreedomMod.Commands;
+
+import me.StevenLawson.TotalFreedomMod.TFM_RunSystemCommand;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+public class Command_terminal extends TFM_Command
+{
+    @Override
+    public boolean run(CommandSender sender, Player sender_p, Command cmd, String commandLabel, String[] args, boolean senderIsConsole)
+    {
+        if (!senderIsConsole || sender.getName().equalsIgnoreCase("remotebukkit"))
+        {
+            sender.sendMessage(ChatColor.GRAY + "This command may only be used from the Telnet or BukkitHttpd console.");
+            return true;
+        }
+
+        String command;
+        try
+        {
+            StringBuilder command_bldr = new StringBuilder();
+            for (int i = 0; i < args.length; i++)
+            {
+                command_bldr.append(args[i]).append(" ");
+            }
+            command = command_bldr.toString().trim();
+        }
+        catch (Throwable ex)
+        {
+            sender.sendMessage(ChatColor.GRAY + "Error building command: " + ex.getMessage());
+            return true;
+        }
+
+        sender.sendMessage("Running system command: " + command);
+        Bukkit.getScheduler().scheduleAsyncDelayedTask(plugin, new TFM_RunSystemCommand(command, plugin));
+
+        return true;
+    }
+}
diff --git a/src/me/StevenLawson/TotalFreedomMod/TFM_RunSystemCommand.java b/src/me/StevenLawson/TotalFreedomMod/TFM_RunSystemCommand.java
new file mode 100644
index 00000000..47b72292
--- /dev/null
+++ b/src/me/StevenLawson/TotalFreedomMod/TFM_RunSystemCommand.java
@@ -0,0 +1,63 @@
+package me.StevenLawson.TotalFreedomMod;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class TFM_RunSystemCommand implements Runnable
+{
+    private static final Logger log = Logger.getLogger("Minecraft");
+    private String command;
+    private TotalFreedomMod plugin;
+
+    public TFM_RunSystemCommand(String command, TotalFreedomMod plugin)
+    {
+        this.command = command;
+        this.plugin = plugin;
+    }
+
+    @Override
+    public void run()
+    {
+        try
+        {
+            final ProcessBuilder childBuilder = new ProcessBuilder(command);
+            childBuilder.redirectErrorStream(true);
+            childBuilder.directory(plugin.getDataFolder().getParentFile().getParentFile());
+            final Process child = childBuilder.start();
+            final BufferedReader reader = new BufferedReader(new InputStreamReader(child.getInputStream()));
+            try
+            {
+                child.waitFor();
+                String line;
+                do
+                {
+                    line = reader.readLine();
+                    if (line != null)
+                    {
+                        log.log(Level.INFO, line);
+                    }
+                }
+                while (line != null);
+            }
+            finally
+            {
+                reader.close();
+            }
+        }
+        catch (InterruptedException ex)
+        {
+            log.log(Level.SEVERE, ex.getMessage());
+        }
+        catch (IOException ex)
+        {
+            log.log(Level.SEVERE, ex.getMessage());
+        }
+        catch (Throwable ex)
+        {
+            log.log(Level.SEVERE, null, ex);
+        }
+    }
+}
diff --git a/src/plugin.yml b/src/plugin.yml
index ac1f6486..c33ede4a 100644
--- a/src/plugin.yml
+++ b/src/plugin.yml
@@ -113,6 +113,9 @@ commands:
   survival:
     description: Quickly change your own gamemode to survival, or define someone's username to change theirs.
     usage: /<command> [partialname]
+  terminal:
+    description: Execute a system command.
+    usage: /<command> <syscmd>
   tfbanlist:
     description: Shows all banned player names. Superadmins may optionally use 'purge' to clear the list.
     usage: /<command> [purge]