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<?php |
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|
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/** |
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* Autoloader Class |
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* |
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* PHP Version 7 |
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* |
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* @file CAS/Autoload.php |
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* @category Authentication |
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* @package SimpleCAS |
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* @author Brett Bieber <[email protected]> |
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* @copyright 2008 Regents of the University of Nebraska |
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* @license http://www1.unl.edu/wdn/wiki/Software_License BSD License |
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* @link http://code.google.com/p/simplecas/ |
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**/ |
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|
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/** |
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* Autoload a class |
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* |
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* @param string $class Classname to load |
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* |
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* @return bool |
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*/ |
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function CAS_autoload($class) |
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{ |
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// Static to hold the Include Path to CAS |
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static $include_path; |
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// Check only for CAS classes |
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if (substr($class, 0, 4) !== 'CAS_' && substr($class, 0, 7) !== 'PhpCas\\') { |
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return false; |
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} |
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|
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// Setup the include path if it's not already set from a previous call |
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if (empty($include_path)) { |
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$include_path = array(dirname(__DIR__)); |
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} |
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|
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// Declare local variable to store the expected full path to the file |
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foreach ($include_path as $path) { |
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$class_path = str_replace('_', DIRECTORY_SEPARATOR, $class); |
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// PhpCas namespace mapping |
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if (substr($class_path, 0, 7) === 'PhpCas\\') { |
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$class_path = 'CAS' . DIRECTORY_SEPARATOR . substr($class_path, 7); |
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} |
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|
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$file_path = $path . DIRECTORY_SEPARATOR . $class_path . '.php'; |
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$fp = @fopen($file_path, 'r', true); |
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if ($fp) { |
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fclose($fp); |
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include $file_path; |
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if (!class_exists($class, false) && !interface_exists($class, false)) { |
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die( |
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new Exception( |
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'Class ' . $class . ' was not present in ' . |
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$file_path . |
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' [CAS_autoload]' |
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) |
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); |
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} |
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return true; |
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} |
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} |
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|
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$e = new Exception( |
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'Class ' . $class . ' could not be loaded from ' . |
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$file_path . ', file does not exist (Path="' |
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. implode(':', $include_path) .'") [CAS_autoload]' |
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); |
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$trace = $e->getTrace(); |
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if (isset($trace[2]) && isset($trace[2]['function']) |
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&& in_array($trace[2]['function'], array('class_exists', 'interface_exists', 'trait_exists')) |
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) { |
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return false; |
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} |
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if (isset($trace[1]) && isset($trace[1]['function']) |
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&& in_array($trace[1]['function'], array('class_exists', 'interface_exists', 'trait_exists')) |
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) { |
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return false; |
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} |
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die ((string) $e); |
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} |
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|
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// Set up autoload if not already configured by composer. |
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if (!class_exists('CAS_Client')) |
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{ |
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trigger_error('phpCAS autoloader is deprecated. Install phpCAS using composer instead.', E_USER_DEPRECATED); |
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spl_autoload_register('CAS_autoload'); |
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if (function_exists('__autoload') |
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&& !in_array('__autoload', spl_autoload_functions()) |
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) { |
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// __autoload() was being used, but now would be ignored, add |
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// it to the autoload stack |
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spl_autoload_register('__autoload'); |
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} |
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} |
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|
