public void run(final List<Variable> vars, Environment myEnv, final MethodScriptComplete done) { // Some things, such as the label are determined at compile time this.CurrentEnv = myEnv; this.CurrentEnv.getEnv(GlobalEnv.class).SetLabel(this.label); MCCommandSender p = myEnv.getEnv(CommandHelperEnvironment.class).GetCommandSender(); if (!hasBeenCompiled || compilerError) { Target target = Target.UNKNOWN; if (left.size() >= 1) { try { target = new Target(left.get(0).line_num, left.get(0).file, left.get(0).column); } catch (NullPointerException e) { // Oh well, we tried to get more information } } throw new ConfigRuntimeException( "Unable to run command, script not yet compiled, or a compiler error occured for that command." + " To see the compile error, run /reloadaliases", null, target); } if (p instanceof MCPlayer) { if (CurrentEnv.getEnv(GlobalEnv.class).GetLabel() != null) { PermissionsResolver perms = CurrentEnv.getEnv(GlobalEnv.class).GetPermissionsResolver(); String[] groups = CurrentEnv.getEnv(GlobalEnv.class).GetLabel().split("/"); for (String group : groups) { if (group.startsWith("-") && perms.inGroup(((MCPlayer) p).getName(), group.substring(1))) { // negative permission throw new ConfigRuntimeException( "You do not have permission to use that command", ExceptionType.InsufficientPermissionException, Target.UNKNOWN); } else if (perms.inGroup(((MCPlayer) p).getName(), group)) { // They do have permission. break; } } } } try { for (ParseTree rootNode : cright) { for (Construct tempNode : rootNode.getAllData()) { if (tempNode instanceof Variable) { if (left_vars == null) { throw new ConfigRuntimeException( "$variables may not be used in this context. Only @variables may be.", null, tempNode.getTarget()); } ((Variable) tempNode) .setVal( new CString( Static.resolveDollarVar( left_vars.get(((Variable) tempNode).getName()), vars) .toString(), tempNode.getTarget())); } } MethodScriptCompiler.registerAutoIncludes(CurrentEnv, this); MethodScriptCompiler.execute(rootNode, CurrentEnv, done, this); } } catch (ConfigRuntimeException ex) { // We don't know how to handle this really, so let's pass it up the chain. throw ex; } catch (CancelCommandException e) { // p.sendMessage(e.getMessage()); // The message in the exception is actually empty } catch (LoopBreakException e) { if (p != null) { p.sendMessage("The break() function must be used inside a for() or foreach() loop"); } System.out.println("The break() function must be used inside a for() or foreach() loop"); } catch (LoopContinueException e) { if (p != null) { p.sendMessage("The continue() function must be used inside a for() or foreach() loop"); } System.out.println("The continue() function must be used inside a for() or foreach() loop"); } catch (FunctionReturnException e) { if (myEnv.getEnv(CommandHelperEnvironment.class).GetEvent() != null) { // Oh, we're running in an event handler. Those know how to catch it too. throw e; } if (p != null) { p.sendMessage("The return() function must be used inside a procedure."); } System.out.println("The return() function must be used inside a procedure."); } catch (Throwable t) { System.out.println("An unexpected exception occured during the execution of a script."); t.printStackTrace(); if (p != null) { p.sendMessage( "An unexpected exception occured during the execution of your script. Please check the console for more information."); } } if (done != null) { done.done(null); } }
/** * This is the workhorse function. It takes a given command, then converts it into the actual * command(s). If the command maps to a defined alias, it will run the specified alias. It will * search through the global list of aliases, as well as the aliases defined for that specific * player. This function doesn't handle the /alias command however. * * @param command * @return */ public boolean alias(String command, final MCCommandSender player, List<Script> playerCommands) { GlobalEnv gEnv; try { gEnv = new GlobalEnv( parent.executionQueue, parent.profiler, parent.persistenceNetwork, parent.permissionsResolver, MethodScriptFileLocations.getDefault().getConfigDirectory(), new Profiles(MethodScriptFileLocations.getDefault().getSQLProfilesFile())); } catch (IOException ex) { Logger.getLogger(AliasCore.class.getName()).log(Level.SEVERE, null, ex); return false; } catch (Profiles.InvalidProfileException ex) { throw ConfigRuntimeException.CreateUncatchableException(ex.getMessage(), Target.UNKNOWN); } CommandHelperEnvironment cEnv = new CommandHelperEnvironment(); cEnv.SetCommandSender(player); Environment env = Environment.createEnvironment(gEnv, cEnv); if (player instanceof MCBlockCommandSender) { cEnv.SetBlockCommandSender((MCBlockCommandSender) player); } if (scripts == null) { throw ConfigRuntimeException.CreateUncatchableException( "Cannot run alias commands, no config file is loaded", Target.UNKNOWN); } boolean match = false; try { // catch RuntimeException // If player is null, we are running the test harness, so don't // actually add the player to the array. if (player != null && player instanceof MCPlayer && echoCommand.contains(((MCPlayer) player).getName())) { // we are running one of the expanded commands, so exit with false return false; } // Global aliases override personal ones, so check the list first for (Script s : scripts) { try { if (s.match(command)) { this.addPlayerReference(player); if (Prefs.ConsoleLogCommands() && s.doLog()) { StringBuilder b = new StringBuilder("CH: Running original command "); if (player instanceof MCPlayer) { b.append("on player ").append(((MCPlayer) player).getName()); } else { b.append("from a MCCommandSender"); } b.append(" ----> ").append(command); Static.getLogger().log(Level.INFO, b.toString()); } try { env.getEnv(CommandHelperEnvironment.class).SetCommand(command); ProfilePoint alias = env.getEnv(GlobalEnv.class) .GetProfiler() .start("Global Alias - \"" + command + "\"", LogLevel.ERROR); try { s.run( s.getVariables(command), env, new MethodScriptComplete() { @Override public void done(String output) { try { if (output != null) { if (!output.trim().isEmpty() && output.trim().startsWith("/")) { if (Prefs.DebugMode()) { if (player instanceof MCPlayer) { Static.getLogger() .log( Level.INFO, "[CommandHelper]: Executing command on " + ((MCPlayer) player).getName() + ": " + output.trim()); } else { Static.getLogger() .log( Level.INFO, "[CommandHelper]: Executing command from console equivalent: " + output.trim()); } } if (player instanceof MCPlayer) { ((MCPlayer) player).chat(output.trim()); } else { Static.getServer() .dispatchCommand(player, output.trim().substring(1)); } } } } catch (Throwable e) { System.err.println(e.getMessage()); player.sendMessage(MCChatColor.RED + e.getMessage()); } finally { Static.getAliasCore().removePlayerReference(player); } } }); } finally { alias.stop(); } } catch (ConfigRuntimeException ex) { ex.setEnv(env); ConfigRuntimeException.React(ex, env); } catch (Throwable e) { // This is not a simple user script error, this is a deeper problem, so we always // handle this. System.err.println( "An unexpected exception occured: " + e.getClass().getSimpleName()); player.sendMessage( "An unexpected exception occured: " + MCChatColor.RED + e.getClass().getSimpleName()); e.printStackTrace(); } finally { Static.getAliasCore().removePlayerReference(player); } match = true; break; } } catch (Exception e) { System.err.println("An unexpected exception occured inside the command " + s.toString()); e.printStackTrace(); } } if (player instanceof MCPlayer) { if (match == false && playerCommands != null) { // if we are still looking, look in the aliases for this player for (Script ac : playerCommands) { // RunnableAlias b = ac.getRunnableAliases(command, player); try { ac.compile(); if (ac.match(command)) { Static.getAliasCore().addPlayerReference(player); ProfilePoint alias = env.getEnv(GlobalEnv.class) .GetProfiler() .start( "User Alias (" + player.getName() + ") - \"" + command + "\"", LogLevel.ERROR); try { ac.run( ac.getVariables(command), env, new MethodScriptComplete() { @Override public void done(String output) { if (output != null) { if (!output.trim().isEmpty() && output.trim().startsWith("/")) { if (Prefs.DebugMode()) { Static.getLogger() .log( Level.INFO, "[CommandHelper]: Executing command on " + ((MCPlayer) player).getName() + ": " + output.trim()); } ((MCPlayer) player).chat(output.trim()); } } Static.getAliasCore().removePlayerReference(player); } }); } finally { alias.stop(); } match = true; break; } } catch (ConfigRuntimeException e) { // Unlike system scripts, this should just report the problem to the player // env.getEnv(CommandHelperEnvironment.class).SetCommandSender(player); Static.getAliasCore().removePlayerReference(player); e.setEnv(env); ConfigRuntimeException.React(e, env); match = true; } catch (ConfigCompileException e) { // Something strange happened, and a bad alias was added // to the database. Our best course of action is to just // skip it. } } } } } catch (Throwable e) { // Not only did an error happen, an error happened in our error handler throw new InternalException( TermColors.RED + "An unexpected error occured in the CommandHelper plugin. " + "Further, this is likely an error with the error handler, so it may be caused by your script, " + "however, there is no more information at this point. Check your script, but also report this " + "as a bug in CommandHelper. Also, it's possible that some commands will no longer work. As a temporary " + "workaround, restart the server, and avoid doing whatever it is you did to make this happen.\nThe error is as follows: " + e.toString() + "\n" + TermColors.reset() + "Stack Trace:\n" + StringUtil.joinString(Arrays.asList(e.getStackTrace()), "\n", 0)); } return match; }