actions/activate.php

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<?php
class dataface_actions_activate {
        function handle(&$params){
                $app = Dataface_Application::getInstance();
                
                if ( !isset($_GET['code']) ){
                        // We need this parameter or we can do nothing.
                        return PEAR::raiseError(
                                df_translate('actions.activate.MESSAGE_MISSING_CODE_PARAMETER',
                                        'The code parameter is missing from your request.  Validation cannot take place.  Please check your url and try again.'
                                        ),
                                DATAFACE_E_ERROR
                                );
                }
                
                // Step 0:  Find out what the redirect URL will be
                // We accept --redirect markers to specify which page to redirect
                // to after we're done.  This will usually be the page that the
                // user was on before they went to the login page.
                if ( isset($_SESSION['--redirect']) ) $url = $_SESSION['--redirect'];
                else if ( isset($_SESSION['-redirect']) ) $url = $_SESSION['-redirect'];
                else if ( isset($_REQUEST['--redirect']) ) $url = $_REQUEST['--redirect'];
                else if ( isset($_REQUEST['-redirect']) ) $url = $_REQUEST['-redirect'];
                else $url = $app->url('-action='.$app->_conf['default_action']);
                
                
                // Step 1: Delete all registrations older than time limit
                $time_limit = 24*60*60; // 1 day
                if ( isset($params['time_limit']) ){
                        $time_limit = intval($params['time_limit']);
                }
                
                $res = mysql_query(
                        "delete from dataface__registrations 
                                where registration_date < '".addslashes(date('Y-m-d H:i:s', time()-$time_limit))."'",
                        df_db()
                        );
                if ( !$res ){
                        error_log(mysql_error(df_db()));
                        throw new Exception("Failed to delete registrations due to an SQL error.  See error log for details.", E_USER_ERROR);
                        
                }
                
                // Step 2: Load the specified registration information
                
                $res = mysql_query(
                        "select registration_data from dataface__registrations
                                where registration_code = '".addslashes($_GET['code'])."'",
                        df_db()
                        );
                
                if ( !$res ){
                        error_log(mysql_error(df_db()));
                        throw new Exception("Failed to load registration information due to an SQL error.  See error log for details.", E_USER_ERROR);
                        
                }
                
                if ( mysql_num_rows($res) == 0 ){
                        // We didn't find any records matching the prescribed code, so
                        // we redirect the user to their desired page and inform them
                        // that the registration didn't work.
                        $msg = df_translate(
                                'actions.activate.MESSAGE_REGISTRATION_NOT_FOUND',
                                'No registration information could be found to match this code.  Please try registering again.'
                                );
                        $app->redirect($url.'&--msg='.urlencode($msg));

                }
                
                // Step 3: Check to make sure that there are no other users with the
                // same name.
                
                list($raw_data) = mysql_fetch_row($res);
                $values = unserialize($raw_data);
                $appdel = $app->getDelegate();
                if ( isset($appdel) and method_exists($appdel, 'validateRegistrationForm') ){
                        $res = $appdel->validateRegistrationForm($values);
                        if ( PEAR::isError($res) ){
                                $msg = $res->getMessage();
                                $app->redirect($url.'&--msg='.urlencode($msg));
                        }
                } else {
                        $res = mysql_query("select count(*) from 
                                `".str_replace('`','',$app->_conf['_auth']['users_table'])."` 
                                where `".str_replace('`','',$app->_conf['_auth']['username_column'])."` = '".addslashes($values[$app->_conf['_auth']['username_column']])."'
                                ", df_db());
                        if ( !$res ){
                                error_log(mysql_error(df_db()));
                                throw new Exception("Failed to find user records due to an SQL error.  See error log for details.", E_USER_ERROR);
                                
                        }
                        list($num) = mysql_fetch_row($res);
                        if ( $num > 0 ){
                                $msg = df_translate(
                                        'actions.activate.MESSAGE_DUPLICATE_USER',
                                        'Registration failed because a user already exists by that name.  Try registering again with a different name.'
                                        );
                                $app->redirect($url.'&--msg='.urlencode($msg));
                        }
                }
                
                
                // Step 4: Save the registration data and log the user in.
                $record = new Dataface_Record($app->_conf['_auth']['users_table'], array());
                $record->setValues($values);
                $res = $record->save();
                if ( PEAR::isError($res) ){
                        $app->redirect($url.'&--msg='.urlencode($res->getMessage()));
                } else {
                        $res = mysql_query(
                                "delete from dataface__registrations
                                        where registration_code = '".addslashes($_GET['code'])."'",
                                df_db()
                                );
                        
                        if ( !$res ){
                                error_log(mysql_error(df_db()));
                                throw new Exception("Failed to clean up old registrations due to an SQL error.  See error log for details.", E_USER_ERROR);
                                
                        }
                        $msg = df_translate(
                                'actions.activate.MESSAGE_REGISTRATION_COMPLETE',
                                'Registration complete.  You are now logged in.');
                        $_SESSION['UserName'] = $record->strval($app->_conf['_auth']['username_column']);
                        
                        
                        import('Dataface/Utilities.php');
                                
                        Dataface_Utilities::fireEvent('after_action_activate', array('record'=>$record));

                        $app->redirect($url.'&--msg='.urlencode($msg));
                        
                }
                
                
        }
}
?>