diff options
Diffstat (limited to 'system/codeigniter')
| -rw-r--r-- | system/codeigniter/Base4.php | 69 | ||||
| -rw-r--r-- | system/codeigniter/Base5.php | 56 | ||||
| -rw-r--r-- | system/codeigniter/CodeIgniter.php | 280 | ||||
| -rw-r--r-- | system/codeigniter/Common.php | 421 | ||||
| -rw-r--r-- | system/codeigniter/Compat.php | 93 | ||||
| -rw-r--r-- | system/codeigniter/index.html | 10 |
6 files changed, 929 insertions, 0 deletions
diff --git a/system/codeigniter/Base4.php b/system/codeigniter/Base4.php new file mode 100644 index 000000000..91a435025 --- /dev/null +++ b/system/codeigniter/Base4.php @@ -0,0 +1,69 @@ +<?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 - 2009, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.3 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CI_BASE - For PHP 4 + * + * This file is used only when CodeIgniter is being run under PHP 4. + * + * In order to allow CI to work under PHP 4 we had to make the Loader class + * the parent of the Controller Base class. It's the only way we can + * enable functions like $this->load->library('email') to instantiate + * classes that can then be used within controllers as $this->email->send() + * + * PHP 4 also has trouble referencing the CI super object within application + * constructors since objects do not exist until the class is fully + * instantiated. Basically PHP 4 sucks... + * + * Since PHP 5 doesn't suffer from this problem so we load one of + * two files based on the version of PHP being run. + * + * @package CodeIgniter + * @subpackage codeigniter + * @category front-controller + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/ + */ + class CI_Base extends CI_Loader { + + function CI_Base() + { + // This allows syntax like $this->load->foo() to work + parent::CI_Loader(); + $this->load =& $this; + + // This allows resources used within controller constructors to work + global $OBJ; + $OBJ = $this->load; // Do NOT use a reference. + } +} + +function &get_instance() +{ + global $CI, $OBJ; + + if (is_object($CI)) + { + return $CI; + } + + return $OBJ->load; +} + + +/* End of file Base4.php */ +/* Location: ./system/codeigniter/Base4.php */
\ No newline at end of file diff --git a/system/codeigniter/Base5.php b/system/codeigniter/Base5.php new file mode 100644 index 000000000..a2cca72cc --- /dev/null +++ b/system/codeigniter/Base5.php @@ -0,0 +1,56 @@ +<?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 - 2009, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.3 + * @filesource + */ + + +// ------------------------------------------------------------------------ + +/** + * CI_BASE - For PHP 5 + * + * This file contains some code used only when CodeIgniter is being + * run under PHP 5. It allows us to manage the CI super object more + * gracefully than what is possible with PHP 4. + * + * @package CodeIgniter + * @subpackage codeigniter + * @category front-controller + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/ + */ + +class CI_Base { + + private static $instance; + + public function CI_Base() + { + self::$instance =& $this; + } + + public static function &get_instance() + { + return self::$instance; + } +} + +function &get_instance() +{ + return CI_Base::get_instance(); +} + + + +/* End of file Base5.php */ +/* Location: ./system/codeigniter/Base5.php */
\ No newline at end of file diff --git a/system/codeigniter/CodeIgniter.php b/system/codeigniter/CodeIgniter.php new file mode 100644 index 000000000..dac137bf6 --- /dev/null +++ b/system/codeigniter/CodeIgniter.php @@ -0,0 +1,280 @@ +<?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 - 2009, 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', '1.7.2'); + +/* + * ------------------------------------------------------ + * 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'); + +if ( ! is_php('5.3')) +{ + @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'); +$LANG =& load_class('Language'); + +/* + * ------------------------------------------------------ + * Load the app controller and local controller + * ------------------------------------------------------ + * + * Note: Due to the poor object handling in PHP 4 we'll + * conditionally load different versions of the base + * class. Retaining PHP 4 compatibility requires a bit of a hack. + * + * Note: The Loader class needs to be included first + * + */ +if ( ! is_php('5.0.0')) +{ + load_class('Loader', FALSE); + require(BASEPATH.'codeigniter/Base4'.EXT); +} +else +{ + require(BASEPATH.'codeigniter/Base5'.EXT); +} + +// Load the base controller class +load_class('Controller', FALSE); + +// Load the local application controller +// Note: The Router class automatically validates the controller path. If this include fails it +// means that the default controller in the Routes.php file is not resolving to something valid. +if ( ! file_exists(APPPATH.'controllers/'.$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)) +{ + $CI->db->close(); +} + + +/* End of file CodeIgniter.php */ +/* Location: ./system/codeigniter/CodeIgniter.php */
\ No newline at end of file diff --git a/system/codeigniter/Common.php b/system/codeigniter/Common.php new file mode 100644 index 000000000..eb9dce648 --- /dev/null +++ b/system/codeigniter/Common.php @@ -0,0 +1,421 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 4.3.2 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2008 - 2009, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** +* Determines if the current version of PHP is greater then the supplied value +* +* Since there are a few places where we conditionally test for PHP > 5 +* we'll set a static variable. +* +* @access public +* @param string +* @return bool +*/ +function is_php($version = '5.0.0') +{ + static $_is_php; + $version = (string)$version; + + if ( ! isset($_is_php[$version])) + { + $_is_php[$version] = (version_compare(PHP_VERSION, $version) < 0) ? FALSE : TRUE; + } + + return $_is_php[$version]; +} + +// ------------------------------------------------------------------------ + +/** + * Tests for file writability + * + * is_writable() returns TRUE on Windows servers when you really can't write to + * the file, based on the read-only attribute. is_writable() is also unreliable + * on Unix servers if safe_mode is on. + * + * @access private + * @return void + */ +function is_really_writable($file) +{ + // If we're on a Unix server with safe_mode off we call is_writable + if (DIRECTORY_SEPARATOR == '/' AND @ini_get("safe_mode") == FALSE) + { + return is_writable($file); + } + + // For windows servers and safe_mode "on" installations we'll actually + // write a file then read it. Bah... + if (is_dir($file)) + { + $file = rtrim($file, '/').'/'.md5(rand(1,100)); + + if (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE) + { + return FALSE; + } + + fclose($fp); + @chmod($file, DIR_WRITE_MODE); + @unlink($file); + return TRUE; + } + elseif (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE) + { + return FALSE; + } + + fclose($fp); + return TRUE; +} + +// ------------------------------------------------------------------------ + +/** +* Class registry +* +* This function acts as a singleton. If the requested class does not +* exist it is instantiated and set to a static variable. If it has +* previously been instantiated the variable is returned. +* +* @access public +* @param string the class name being requested +* @param bool optional flag that lets classes get loaded but not instantiated +* @return object +*/ +function &load_class($class, $instantiate = TRUE) +{ + static $objects = array(); + + // Does the class exist? If so, we're done... + if (isset($objects[$class])) + { + return $objects[$class]; + } + + // If the requested class does not exist in the application/libraries + // folder we'll load the native class from the system/libraries folder. + if (file_exists(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT)) + { + require(BASEPATH.'libraries/'.$class.EXT); + require(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT); + $is_subclass = TRUE; + } + else + { + if (file_exists(APPPATH.'libraries/'.$class.EXT)) + { + require(APPPATH.'libraries/'.$class.EXT); + $is_subclass = FALSE; + } + else + { + require(BASEPATH.'libraries/'.$class.EXT); + $is_subclass = FALSE; + } + } + + if ($instantiate == FALSE) + { + $objects[$class] = TRUE; + return $objects[$class]; + } + + if ($is_subclass == TRUE) + { + $name = config_item('subclass_prefix').$class; + + $objects[$class] =& instantiate_class(new $name()); + return $objects[$class]; + } + + $name = ($class != 'Controller') ? 'CI_'.$class : $class; + + $objects[$class] =& instantiate_class(new $name()); + return $objects[$class]; +} + +/** + * Instantiate Class + * + * Returns a new class object by reference, used by load_class() and the DB class. + * Required to retain PHP 4 compatibility and also not make PHP 5.3 cry. + * + * Use: $obj =& instantiate_class(new Foo()); + * + * @access public + * @param object + * @return object + */ +function &instantiate_class(&$class_object) +{ + return $class_object; +} + +/** +* Loads the main config.php file +* +* @access private +* @return array +*/ +function &get_config() +{ + static $main_conf; + + if ( ! isset($main_conf)) + { + if ( ! file_exists(APPPATH.'config/config'.EXT)) + { + exit('The configuration file config'.EXT.' does not exist.'); + } + + require(APPPATH.'config/config'.EXT); + + if ( ! isset($config) OR ! is_array($config)) + { + exit('Your config file does not appear to be formatted correctly.'); + } + + $main_conf[0] =& $config; + } + return $main_conf[0]; +} + +/** +* Gets a config item +* +* @access public +* @return mixed +*/ +function config_item($item) +{ + static $config_item = array(); + + if ( ! isset($config_item[$item])) + { + $config =& get_config(); + + if ( ! isset($config[$item])) + { + return FALSE; + } + $config_item[$item] = $config[$item]; + } + + return $config_item[$item]; +} + + +/** +* Error Handler +* +* This function lets us invoke the exception class and +* display errors using the standard error template located +* in application/errors/errors.php +* This function will send the error page directly to the +* browser and exit. +* +* @access public +* @return void +*/ +function show_error($message, $status_code = 500) +{ + $error =& load_class('Exceptions'); + echo $error->show_error('An Error Was Encountered', $message, 'error_general', $status_code); + exit; +} + + +/** +* 404 Page Handler +* +* This function is similar to the show_error() function above +* However, instead of the standard error template it displays +* 404 errors. +* +* @access public +* @return void +*/ +function show_404($page = '') +{ + $error =& load_class('Exceptions'); + $error->show_404($page); + exit; +} + + +/** +* Error Logging Interface +* +* We use this as a simple mechanism to access the logging +* class and send messages to be logged. +* +* @access public +* @return void +*/ +function log_message($level = 'error', $message, $php_error = FALSE) +{ + static $LOG; + + $config =& get_config(); + if ($config['log_threshold'] == 0) + { + return; + } + + $LOG =& load_class('Log'); + $LOG->write_log($level, $message, $php_error); +} + + +/** + * Set HTTP Status Header + * + * @access public + * @param int the status code + * @param string + * @return void + */ +function set_status_header($code = 200, $text = '') +{ + $stati = array( + 200 => 'OK', + 201 => 'Created', + 202 => 'Accepted', + 203 => 'Non-Authoritative Information', + 204 => 'No Content', + 205 => 'Reset Content', + 206 => 'Partial Content', + + 300 => 'Multiple Choices', + 301 => 'Moved Permanently', + 302 => 'Found', + 304 => 'Not Modified', + 305 => 'Use Proxy', + 307 => 'Temporary Redirect', + + 400 => 'Bad Request', + 401 => 'Unauthorized', + 403 => 'Forbidden', + 404 => 'Not Found', + 405 => 'Method Not Allowed', + 406 => 'Not Acceptable', + 407 => 'Proxy Authentication Required', + 408 => 'Request Timeout', + 409 => 'Conflict', + 410 => 'Gone', + 411 => 'Length Required', + 412 => 'Precondition Failed', + 413 => 'Request Entity Too Large', + 414 => 'Request-URI Too Long', + 415 => 'Unsupported Media Type', + 416 => 'Requested Range Not Satisfiable', + 417 => 'Expectation Failed', + + 500 => 'Internal Server Error', + 501 => 'Not Implemented', + 502 => 'Bad Gateway', + 503 => 'Service Unavailable', + 504 => 'Gateway Timeout', + 505 => 'HTTP Version Not Supported' + ); + + if ($code == '' OR ! is_numeric($code)) + { + show_error('Status codes must be numeric', 500); + } + + if (isset($stati[$code]) AND $text == '') + { + $text = $stati[$code]; + } + + if ($text == '') + { + show_error('No status text available. Please check your status code number or supply your own message text.', 500); + } + + $server_protocol = (isset($_SERVER['SERVER_PROTOCOL'])) ? $_SERVER['SERVER_PROTOCOL'] : FALSE; + + if (substr(php_sapi_name(), 0, 3) == 'cgi') + { + header("Status: {$code} {$text}", TRUE); + } + elseif ($server_protocol == 'HTTP/1.1' OR $server_protocol == 'HTTP/1.0') + { + header($server_protocol." {$code} {$text}", TRUE, $code); + } + else + { + header("HTTP/1.1 {$code} {$text}", TRUE, $code); + } +} + + +/** +* Exception Handler +* +* This is the custom exception handler that is declaired at the top +* of Codeigniter.php. The main reason we use this is permit +* PHP errors to be logged in our own log files since we may +* not have access to server logs. Since this function +* effectively intercepts PHP errors, however, we also need +* to display errors based on the current error_reporting level. +* We do that with the use of a PHP error template. +* +* @access private +* @return void +*/ +function _exception_handler($severity, $message, $filepath, $line) +{ + // We don't bother with "strict" notices since they will fill up + // the log file with information that isn't normally very + // helpful. For example, if you are running PHP 5 and you + // use version 4 style class functions (without prefixes + // like "public", "private", etc.) you'll get notices telling + // you that these have been deprecated. + + if ($severity == E_STRICT) + { + return; + } + + $error =& load_class('Exceptions'); + + // Should we display the error? + // We'll get the current error_reporting level and add its bits + // with the severity bits to find out. + + if (($severity & error_reporting()) == $severity) + { + $error->show_php_error($severity, $message, $filepath, $line); + } + + // Should we log the error? No? We're done... + $config =& get_config(); + if ($config['log_threshold'] == 0) + { + return; + } + + $error->log_exception($severity, $message, $filepath, $line); +} + + + +/* End of file Common.php */ +/* Location: ./system/codeigniter/Common.php */
\ No newline at end of file diff --git a/system/codeigniter/Compat.php b/system/codeigniter/Compat.php new file mode 100644 index 000000000..958ab4c0c --- /dev/null +++ b/system/codeigniter/Compat.php @@ -0,0 +1,93 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 4.3.2 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2008 - 2009, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * Compatibility Functions + * + * Function overrides for older versions of PHP or PHP environments missing + * certain extensions / libraries + * + * @package CodeIgniter + * @subpackage codeigniter + * @category Compatibility Functions + * @author ExpressionEngine Development Team + * @link http://codeigniter.com/user_guide/ + */ + +// ------------------------------------------------------------------------ + +/* + * PHP versions prior to 5.0 don't support the E_STRICT constant + * so we need to explicitly define it otherwise the Exception class + * will generate errors when running under PHP 4 + * + */ +if ( ! defined('E_STRICT')) +{ + define('E_STRICT', 2048); +} + +/** + * ctype_digit() + * + * Determines if a string is comprised only of digits + * http://us.php.net/manual/en/function.ctype_digit.php + * + * @access public + * @param string + * @return bool + */ +if ( ! function_exists('ctype_digit')) +{ + function ctype_digit($str) + { + if ( ! is_string($str) OR $str == '') + { + return FALSE; + } + + return ! preg_match('/[^0-9]/', $str); + } +} + +// -------------------------------------------------------------------- + +/** + * ctype_alnum() + * + * Determines if a string is comprised of only alphanumeric characters + * http://us.php.net/manual/en/function.ctype-alnum.php + * + * @access public + * @param string + * @return bool + */ +if ( ! function_exists('ctype_alnum')) +{ + function ctype_alnum($str) + { + if ( ! is_string($str) OR $str == '') + { + return FALSE; + } + + return ! preg_match('/[^0-9a-z]/i', $str); + } +} + +/* End of file Compat.php */ +/* Location: ./system/codeigniter/Compat.php */
\ No newline at end of file diff --git a/system/codeigniter/index.html b/system/codeigniter/index.html new file mode 100644 index 000000000..c942a79ce --- /dev/null +++ b/system/codeigniter/index.html @@ -0,0 +1,10 @@ +<html> +<head> + <title>403 Forbidden</title> +</head> +<body> + +<p>Directory access is forbidden.</p> + +</body> +</html>
\ No newline at end of file |