added key generation task.

laravel/cli/dependencies.php

@@ -25,6 +25,16 @@ IoC::register('task: bundle', function()
 	return new Tasks\Bundle\Bundler;
 });
 
+/**
+ * The key task is responsible for generating a secure, random
+ * key for use by the application when encrypting strings or
+ * setting the hash values on cookie signatures.
+ */
+IoC::singleton('task: key', function()
+{
+	return new Tasks\Key;
+});
+
 /**
  * The bundle repository is responsible for communicating with
  * the Laravel bundle sources to get information regarding any

laravel/cli/tasks/key.php

@@ -0,0 +1,53 @@
+<?php namespace Laravel\CLI\Tasks;
+
+use Laravel\Str;
+use Laravel\File;
+
+class Key extends Task {
+
+	/**
+	 * The path to the application config.
+	 *
+	 * @var string
+	 */
+	protected $path;
+
+	/**
+	 * Create a new instance of the Key task.
+	 *
+	 * @return void
+	 */
+	public function __construct()
+	{
+		$this->path = APP_PATH.'config/application'.EXT;
+	}
+
+	/**
+	 * Generate a random key for the application.
+	 *
+	 * @param  array  $arguments
+	 * @return void
+	 */
+	public function generate($arguments = array())
+	{
+		// By default the Crypter class uses AES-256 encryption which uses
+		// a 32 byte input vector, so that is the length of string we will
+		// generate for the application token unless another length is
+		// specified through the CLI.
+		$key = Str::random(array_get($arguments, 0, 32));
+
+		$config = str_replace("'key' => '',", "'key' => '{$key}',", File::get($this->path), $count);
+
+		File::put($this->path, $config);
+
+		if ($count > 0)
+		{
+			echo "Configuration updated with secure key!";
+		}
+		else
+		{
+			echo "An application key already exists!";
+		}
+	}
+
+}

laravel/core.php

@@ -91,6 +91,7 @@ Autoloader::$mappings = array(
 	'Laravel\\CLI\\Tasks\\Migrate\\Migrator' => SYS_PATH.'cli/tasks/migrate/migrator'.EXT,
 	'Laravel\\CLI\\Tasks\\Migrate\\Resolver' => SYS_PATH.'cli/tasks/migrate/resolver'.EXT,
 	'Laravel\\CLI\\Tasks\\Migrate\\Database' => SYS_PATH.'cli/tasks/migrate/database'.EXT,
+	'Laravel\\CLI\\Tasks\\Key' => SYS_PATH.'cli/tasks/key'.EXT,
 
 	'Laravel\\Database\\Connection' => SYS_PATH.'database/connection'.EXT,
 	'Laravel\\Database\\Expression' => SYS_PATH.'database/expression'.EXT,