update to CI 2.0

Signed-off-by: Florian Pritz <bluewind@server-speed.net>

1 files changed, 340 insertions, 0 deletions

diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
new file mode 100755
index 000000000..2d3f24958
--- /dev/null
+++ b/system/core/CodeIgniter.php
@@ -0,0 +1,340 @@
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package		CodeIgniter
+ * @author		ExpressionEngine Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * System Initialization File
+ *
+ * Loads the base classes and executes the request.
+ *
+ * @package		CodeIgniter
+ * @subpackage	codeigniter
+ * @category	Front-controller
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/
+ */
+
+/*
+ * ------------------------------------------------------
+ *  Define the CodeIgniter Version
+ * ------------------------------------------------------
+ */
+	define('CI_VERSION', '2.0');
+
+/*
+ * ------------------------------------------------------
+ *  Load the global functions
+ * ------------------------------------------------------
+ */
+	require(BASEPATH.'core/Common'.EXT);
+
+/*
+ * ------------------------------------------------------
+ *  Load the framework constants
+ * ------------------------------------------------------
+ */
+	require(APPPATH.'config/constants'.EXT);
+
+/*
+ * ------------------------------------------------------
+ *  Define a custom error handler so we can log PHP errors
+ * ------------------------------------------------------
+ */
+	set_error_handler('_exception_handler');
+
+	if ( ! is_php('5.3'))
+	{
+		@set_magic_quotes_runtime(0); // Kill magic quotes
+	}
+
+/*
+ * ------------------------------------------------------
+ *  Set the subclass_prefix
+ * ------------------------------------------------------
+ *
+ * Normally the "subclass_prefix" is set in the config file.
+ * The subclass prefix allows CI to know if a core class is
+ * being extended via a library in the local application
+ * "libraries" folder. Since CI allows config items to be
+ * overriden via data set in the main index. php file,
+ * before proceeding we need to know if a subclass_prefix
+ * override exists.  If so, we will set this value now,
+ * before any classes are loaded
+ * Note: Since the config file data is cached it doesn't
+ * hurt to load it here.
+ */
+	if (isset($assign_to_config['subclass_prefix']) AND $assign_to_config['subclass_prefix'] != '')
+	{
+		get_config(array('subclass_prefix' => $assign_to_config['subclass_prefix']));
+	}
+	
+/*
+ * ------------------------------------------------------
+ *  Set a liberal script execution time limit
+ * ------------------------------------------------------
+ */
+	if (function_exists("set_time_limit") == TRUE AND @ini_get("safe_mode") == 0)
+	{
+		@set_time_limit(300);
+	}
+
+/*
+ * ------------------------------------------------------
+ *  Start the timer... tick tock tick tock...
+ * ------------------------------------------------------
+ */
+	$BM =& load_class('Benchmark', 'core');
+	$BM->mark('total_execution_time_start');
+	$BM->mark('loading_time:_base_classes_start');
+
+/*
+ * ------------------------------------------------------
+ *  Instantiate the hooks class
+ * ------------------------------------------------------
+ */
+	$EXT =& load_class('Hooks', 'core');
+
+/*
+ * ------------------------------------------------------
+ *  Is there a "pre_system" hook?
+ * ------------------------------------------------------
+ */
+	$EXT->_call_hook('pre_system');
+
+/*
+ * ------------------------------------------------------
+ *  Instantiate the config class
+ * ------------------------------------------------------
+ */
+	$CFG =& load_class('Config', 'core');
+
+	// Do we have any manually set config items in the index.php file?
+	if (isset($assign_to_config))
+	{
+		$CFG->_assign_to_config($assign_to_config);
+	}
+
+/*
+ * ------------------------------------------------------
+ *  Instantiate the UTF-8 class
+ * ------------------------------------------------------
+ *
+ * Note: Order here is rather important as the UTF-8
+ * class needs to be used very early on, but it cannot
+ * properly determine if UTf-8 can be supported until
+ * after the Config class is instantiated.
+ *
+ */
+
+	$UNI =& load_class('Utf8', 'core');
+
+/*
+ * ------------------------------------------------------
+ *  Instantiate the URI class
+ * ------------------------------------------------------
+ */
+	$URI =& load_class('URI', 'core');
+
+/*
+ * ------------------------------------------------------
+ *  Instantiate the routing class and set the routing
+ * ------------------------------------------------------
+ */
+	$RTR =& load_class('Router', 'core');
+	$RTR->_set_routing();
+
+	// Set any routing overrides that may exist in the main index file
+	if (isset($routing))
+	{
+		$RTR->_set_overrides($routing);
+	}
+
+/*
+ * ------------------------------------------------------
+ *  Instantiate the output class
+ * ------------------------------------------------------
+ */
+	$OUT =& load_class('Output', 'core');
+
+/*
+ * ------------------------------------------------------
+ *	Is there a valid cache file?  If so, we're done...
+ * ------------------------------------------------------
+ */
+	if ($EXT->_call_hook('cache_override') === FALSE)
+	{
+		if ($OUT->_display_cache($CFG, $URI) == TRUE)
+		{
+			exit;
+		}
+	}
+
+/*
+ * ------------------------------------------------------
+ *  Load the Input class and sanitize globals
+ * ------------------------------------------------------
+ */
+	$IN	=& load_class('Input', 'core');
+
+/*
+ * ------------------------------------------------------
+ *  Load the Language class
+ * ------------------------------------------------------
+ */
+	$LANG =& load_class('Lang', 'core');
+
+/*
+ * ------------------------------------------------------
+ *  Load the app controller and local controller
+ * ------------------------------------------------------
+ *
+ */
+	// Load the base controller class
+	require BASEPATH.'core/Controller'.EXT;
+
+	function &get_instance()
+	{
+		return CI_Controller::get_instance();
+	}
+
+
+	if (file_exists(APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller'.EXT))
+	{
+		require APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller'.EXT;
+	}
+
+	// Load the local application controller
+	// Note: The Router class automatically validates the controller path using the router->_validate_request().
+	// If this include fails it means that the default controller in the Routes.php file is not resolving to something valid.
+	if ( ! file_exists(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT))
+	{
+		show_error('Unable to load your default controller. Please make sure the controller specified in your Routes.php file is valid.');
+	}
+
+	include(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT);
+
+	// Set a mark point for benchmarking
+	$BM->mark('loading_time:_base_classes_end');
+
+/*
+ * ------------------------------------------------------
+ *  Security check
+ * ------------------------------------------------------
+ *
+ *  None of the functions in the app controller or the
+ *  loader class can be called via the URI, nor can
+ *  controller functions that begin with an underscore
+ */
+	$class  = $RTR->fetch_class();
+	$method = $RTR->fetch_method();
+
+	if ( ! class_exists($class)
+		OR strncmp($method, '_', 1) == 0
+		OR in_array(strtolower($method), array_map('strtolower', get_class_methods('CI_Controller')))
+		)
+	{
+		show_404("{$class}/{$method}");
+	}
+
+/*
+ * ------------------------------------------------------
+ *  Is there a "pre_controller" hook?
+ * ------------------------------------------------------
+ */
+	$EXT->_call_hook('pre_controller');
+
+/*
+ * ------------------------------------------------------
+ *  Instantiate the requested controller
+ * ------------------------------------------------------
+ */
+	// Mark a start point so we can benchmark the controller
+	$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start');
+
+	$CI = new $class();
+
+/*
+ * ------------------------------------------------------
+ *  Is there a "post_controller_constructor" hook?
+ * ------------------------------------------------------
+ */
+	$EXT->_call_hook('post_controller_constructor');
+
+/*
+ * ------------------------------------------------------
+ *  Call the requested method
+ * ------------------------------------------------------
+ */
+	// Is there a "remap" function? If so, we call it instead
+	if (method_exists($CI, '_remap'))
+	{
+		$CI->_remap($method, array_slice($URI->rsegments, 2));
+	}
+	else
+	{
+		// is_callable() returns TRUE on some versions of PHP 5 for private and protected
+		// methods, so we'll use this workaround for consistent behavior
+		if ( ! in_array(strtolower($method), array_map('strtolower', get_class_methods($CI))))
+		{
+			show_404("{$class}/{$method}");
+		}
+
+		// Call the requested method.
+		// Any URI segments present (besides the class/function) will be passed to the method for convenience
+		call_user_func_array(array(&$CI, $method), array_slice($URI->rsegments, 2));
+	}
+
+
+	// Mark a benchmark end point
+	$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_end');
+
+/*
+ * ------------------------------------------------------
+ *  Is there a "post_controller" hook?
+ * ------------------------------------------------------
+ */
+	$EXT->_call_hook('post_controller');
+
+/*
+ * ------------------------------------------------------
+ *  Send the final rendered output to the browser
+ * ------------------------------------------------------
+ */
+	if ($EXT->_call_hook('display_override') === FALSE)
+	{
+		$OUT->_display();
+	}
+
+/*
+ * ------------------------------------------------------
+ *  Is there a "post_system" hook?
+ * ------------------------------------------------------
+ */
+	$EXT->_call_hook('post_system');
+
+/*
+ * ------------------------------------------------------
+ *  Close the DB connection if one exists
+ * ------------------------------------------------------
+ */
+	if (class_exists('CI_DB') AND isset($CI->db))
+	{
+		$CI->db->close();
+	}
+
+
+/* End of file CodeIgniter.php */
+/* Location: ./system/core/CodeIgniter.php */
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