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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); |
/** |
* CodeIgniter |
* |
* An open source application development framework for PHP 4.3.2 or newer |
* |
* @package CodeIgniter |
* @author ExpressionEngine Dev Team |
* @copyright Copyright (c) 2008, EllisLab, Inc. |
* @license http://codeigniter.com/user_guide/license.html |
* @link http://codeigniter.com |
* @since Version 1.0 |
* @filesource |
*/ |
|
// ------------------------------------------------------------------------ |
|
/** |
* System Front Controller |
* |
* 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/ |
*/ |
|
// CI Version |
define('CI_VERSION', '1.7.0'); |
|
/* |
* ------------------------------------------------------ |
* Load the global functions |
* ------------------------------------------------------ |
*/ |
require(BASEPATH.'codeigniter/Common'.EXT); |
|
/* |
* ------------------------------------------------------ |
* Load the compatibility override functions |
* ------------------------------------------------------ |
*/ |
require(BASEPATH.'codeigniter/Compat'.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'); |
set_magic_quotes_runtime(0); // Kill magic quotes |
|
/* |
* ------------------------------------------------------ |
* Start the timer... tick tock tick tock... |
* ------------------------------------------------------ |
*/ |
|
$BM =& load_class('Benchmark'); |
$BM->mark('total_execution_time_start'); |
$BM->mark('loading_time_base_classes_start'); |
|
/* |
* ------------------------------------------------------ |
* Instantiate the hooks class |
* ------------------------------------------------------ |
*/ |
|
$EXT =& load_class('Hooks'); |
|
/* |
* ------------------------------------------------------ |
* Is there a "pre_system" hook? |
* ------------------------------------------------------ |
*/ |
$EXT->_call_hook('pre_system'); |
|
/* |
* ------------------------------------------------------ |
* Instantiate the base classes |
* ------------------------------------------------------ |
*/ |
|
$CFG =& load_class('Config'); |
$URI =& load_class('URI'); |
$RTR =& load_class('Router'); |
$OUT =& load_class('Output'); |
|
/* |
* ------------------------------------------------------ |
* Is there a valid cache file? If so, we're done... |
* ------------------------------------------------------ |
*/ |
|
if ($EXT->_call_hook('cache_override') === FALSE) |
{ |
if ($OUT->_display_cache($CFG, $URI) == TRUE) |
{ |
exit; |
} |
} |
|
/* |
* ------------------------------------------------------ |
* Load the remaining base classes |
* ------------------------------------------------------ |
*/ |
|
$IN =& load_class('Input'); |
$LANG =& load_class('Language'); |
|
/* |
* ------------------------------------------------------ |
* Load the app controller and local controller |
* ------------------------------------------------------ |
* |
* Note: Due to the poor object handling in PHP 4 we'll |
* conditionally load different versions of the base |
* class. Retaining PHP 4 compatibility requires a bit of a hack. |
* |
* Note: The Loader class needs to be included first |
* |
*/ |
if (floor(phpversion()) < 5) |
{ |
load_class('Loader', FALSE); |
require(BASEPATH.'codeigniter/Base4'.EXT); |
} |
else |
{ |
require(BASEPATH.'codeigniter/Base5'.EXT); |
} |
|
// Load the base controller class |
load_class('Controller', FALSE); |
|
// Load the local application controller |
// Note: The Router class automatically validates the controller path. If this include fails it |
// means that the default controller in the Routes.php file is not resolving to something valid. |
if ( ! file_exists(APPPATH.'controllers/'.$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 $method == 'controller' |
OR strncmp($method, '_', 1) == 0 |
OR in_array(strtolower($method), array_map('strtolower', get_class_methods('Controller'))) |
) |
{ |
show_404("{$class}/{$method}"); |
} |
|
/* |
* ------------------------------------------------------ |
* Is there a "pre_controller" hook? |
* ------------------------------------------------------ |
*/ |
$EXT->_call_hook('pre_controller'); |
|
/* |
* ------------------------------------------------------ |
* Instantiate the controller and call requested method |
* ------------------------------------------------------ |
*/ |
|
// Mark a start point so we can benchmark the controller |
$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start'); |
|
$CI = new $class(); |
|
// Is this a scaffolding request? |
if ($RTR->scaffolding_request === TRUE) |
{ |
if ($EXT->_call_hook('scaffolding_override') === FALSE) |
{ |
$CI->_ci_scaffolding(); |
} |
} |
else |
{ |
/* |
* ------------------------------------------------------ |
* Is there a "post_controller_constructor" hook? |
* ------------------------------------------------------ |
*/ |
$EXT->_call_hook('post_controller_constructor'); |
|
// Is there a "remap" function? |
if (method_exists($CI, '_remap')) |
{ |
$CI->_remap($method); |
} |
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/codeigniter/CodeIgniter.php */ |