* @author Adam Ashley * @copyright 2001-2006 The PHP Group * @license http://www.php.net/license/3_01.txt PHP License 3.01 * @version CVS: $Id: SAP.php 302205 2010-08-14 14:08:08Z clockwerx $ * @link http://pear.php.net/package/Auth * @since File available since Release 1.4.0 */ /** * Include Auth_Container base class */ require_once 'Auth/Container.php'; /** * Include PEAR for error handling */ require_once 'PEAR.php'; /** * Performs authentication against a SAP system using the SAPRFC PHP extension. * * When the option GETSSO2 is TRUE (default) * the Single Sign-On (SSO) ticket is retrieved * and stored as an Auth attribute called 'sap' * in order to be reused for consecutive connections. * * @category Authentication * @package Auth * @author Stoyan Stefanov * @author Adam Ashley * @copyright 2001-2006 The PHP Group * @license http://www.php.net/license/3_01.txt PHP License 3.01 * @version Release: @package_version@ File: $Revision: 302205 $ * @since Class available since Release 1.4.0 */ class Auth_Container_SAP extends Auth_Container { // {{{ properties /** * @var array Default options */ var $options = array( 'CLIENT' => '000', 'LANG' => 'EN', 'GETSSO2' => true, ); // }}} // {{{ Auth_Container_SAP() /** * Class constructor. Checks that required options * are present and that the SAPRFC extension is loaded * * Options that can be passed and their defaults: * 
     * array(
     *   'ASHOST' => "",
     *   'SYSNR'  => "",
     *   'CLIENT' => "000",
     *   'GWHOST' =>"",
     *   'GWSERV' =>"",
     *   'MSHOST' =>"",
     *   'R3NAME' =>"",
     *   'GROUP'  =>"",
     *   'LANG'   =>"EN",
     *   'TRACE'  =>"",
     *   'GETSSO2'=> true
     * )
     *
* * @param array array of options. * @return void */ function Auth_Container_SAP($options) { $saprfc_loaded = PEAR::loadExtension('saprfc'); if (!$saprfc_loaded) { return PEAR::raiseError('Cannot use SAP authentication, ' .'SAPRFC extension not loaded!'); } if (empty($options['R3NAME']) && empty($options['ASHOST'])) { return PEAR::raiseError('R3NAME or ASHOST required for authentication'); } $this->options = array_merge($this->options, $options); } // }}} // {{{ fetchData() /** * Performs username and password check * * @param string Username * @param string Password * @return boolean TRUE on success (valid user), FALSE otherwise */ function fetchData($username, $password) { $this->log('Auth_Container_SAP::fetchData() called.', AUTH_LOG_DEBUG); $connection_options = $this->options; $connection_options['USER'] = $username; $connection_options['PASSWD'] = $password; $rfc = saprfc_open($connection_options); if (!$rfc) { $message = "Couldn't connect to the SAP system."; $error = $this->getError(); if ($error['message']) { $message .= ': ' . $error['message']; } PEAR::raiseError($message, null, null, null, @$error['all']); return false; } else { if (!empty($this->options['GETSSO2'])) { $this->log('Attempting to retrieve SSO2 ticket.', AUTH_LOG_DEBUG); if ($ticket = @saprfc_get_ticket($rfc)) { $this->options['MYSAPSSO2'] = $ticket; unset($this->options['GETSSO2']); $this->_auth_obj->setAuthData('sap', $this->options); } else { PEAR::raiseError("SSO ticket retrieval failed"); } } @saprfc_close($rfc); return true; } } // }}} // {{{ getError() /** * Retrieves the last error from the SAP connection * and returns it as an array. * * @return array Array of error information */ function getError() { $error = array(); $sap_error = saprfc_error(); if (empty($err)) { return $error; } $err = explode("n", $sap_error); foreach ($err AS $line) { $item = explode(':', $line); $error[strtolower(trim($item[0]))] = trim($item[1]); } $error['all'] = $sap_error; return $error; } // }}} } ?>