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<?php
/*
Question2Answer by Gideon Greenspan and contributors
http://www.question2answer.org/
File: qa-include/qa-page-unsubscribe.php
Description: Controller for unsubscribe page (unsubscribe link is sent in mass mailings)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
More about this license: http://www.question2answer.org/license.php
*/
if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
header('Location: ../');
exit;
}
require_once QA_INCLUDE_DIR.'db/users.php';
// Check we're not using single-sign on integration
if (QA_FINAL_EXTERNAL_USERS)
qa_fatal_error('User login is handled by external code');
// Check the code and unsubscribe the user if appropriate
$unsubscribed=false;
$loginuserid=qa_get_logged_in_userid();
$incode=trim(qa_get('c')); // trim to prevent passing in blank values to match uninitiated DB rows
$inhandle=qa_get('u');
if (!empty($inhandle)) { // match based on code and handle provided on URL
$userinfo=qa_db_select_with_pending(qa_db_user_account_selectspec($inhandle, false));
if (strtolower(trim(@$userinfo['emailcode']))==strtolower($incode)) {
qa_db_user_set_flag($userinfo['userid'], QA_USER_FLAGS_NO_MAILINGS, true);
$unsubscribed=true;
}
}
if ( (!$unsubscribed) && isset($loginuserid)) { // as a backup, also unsubscribe logged in user
qa_db_user_set_flag($loginuserid, QA_USER_FLAGS_NO_MAILINGS, true);
$unsubscribed=true;
}
// Prepare content for theme
$qa_content=qa_content_prepare();
$qa_content['title']=qa_lang_html('users/unsubscribe_title');
if ($unsubscribed)
$qa_content['error']=strtr(qa_lang_html('users/unsubscribe_complete'), array(
'^0' => qa_html(qa_opt('site_title')),
'^1' => '<a href="'.qa_path_html('account').'">',
'^2' => '</a>',
));
else
$qa_content['error']=qa_insert_login_links(qa_lang_html('users/unsubscribe_wrong_log_in'), 'unsubscribe');
return $qa_content;
/*
Omit PHP closing tag to help avoid accidental output
*/