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feed.php
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feed.php
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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
* Idea and original RSS Feed 2.0 MOD (Version 1.0.8/9) by leviatan21
* Original MOD: http://www.phpbb.com/community/viewtopic.php?f=69&t=1214645
* MOD Author Profile: http://www.phpbb.com/community/memberlist.php?mode=viewprofile&u=345763
* MOD Author Homepage: http://www.mssti.com/phpbb3/
*
**/
/**
* @ignore
**/
define('IN_PHPBB', true);
$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';
$phpEx = substr(strrchr(__FILE__, '.'), 1);
include($phpbb_root_path . 'common.' . $phpEx);
include($phpbb_root_path . 'includes/functions_display.' . $phpEx);
if (!$config['feed_enable'])
{
trigger_error('NO_FEED_ENABLED');
}
// Start session
$user->session_begin();
if (!empty($config['feed_http_auth']) && request_var('auth', '') == 'http')
{
phpbb_http_login(array(
'auth_message' => 'Feed',
'viewonline' => request_var('viewonline', true),
));
}
$auth->acl($user->data);
$user->setup('viewtopic');
// Initial var setup
$forum_id = request_var('f', 0);
$topic_id = request_var('t', 0);
$mode = request_var('mode', '');
// We do not use a template, therefore we simply define the global template variables here
$global_vars = $item_vars = array();
$feed_updated_time = 0;
// Generate params array for use in append_sid() to correctly link back to this page
$params = false;
if ($forum_id || $topic_id || $mode)
{
$params = array(
'f' => ($forum_id) ? $forum_id : NULL,
't' => ($topic_id) ? $topic_id : NULL,
'mode' => ($mode) ? $mode : NULL,
);
}
// This boards URL
$phpbb_feed_helper = $phpbb_container->get('feed.helper');
$board_url = $phpbb_feed_helper->get_board_url();
// Get correct feed object
$phpbb_feed_factory = $phpbb_container->get('feed.factory');
$feed = $phpbb_feed_factory->get_feed($mode, $forum_id, $topic_id);
// No feed found
if ($feed === false)
{
trigger_error('NO_FEED');
}
// Open Feed
$feed->open();
// Iterate through items
while ($row = $feed->get_item())
{
// BBCode options to correctly disable urls, smilies, bbcode...
if ($feed->get('options') === NULL)
{
// Allow all combinations
$options = 7;
if ($feed->get('enable_bbcode') !== NULL && $feed->get('enable_smilies') !== NULL && $feed->get('enable_magic_url') !== NULL)
{
$options = (($row[$feed->get('enable_bbcode')]) ? OPTION_FLAG_BBCODE : 0) + (($row[$feed->get('enable_smilies')]) ? OPTION_FLAG_SMILIES : 0) + (($row[$feed->get('enable_magic_url')]) ? OPTION_FLAG_LINKS : 0);
}
}
else
{
$options = $row[$feed->get('options')];
}
$title = (isset($row[$feed->get('title')]) && $row[$feed->get('title')] !== '') ? $row[$feed->get('title')] : ((isset($row[$feed->get('title2')])) ? $row[$feed->get('title2')] : '');
$published = ($feed->get('published') !== NULL) ? (int) $row[$feed->get('published')] : 0;
$updated = ($feed->get('updated') !== NULL) ? (int) $row[$feed->get('updated')] : 0;
$display_attachments = ($auth->acl_get('u_download') && $auth->acl_get('f_download', $row['forum_id']) && isset($row['post_attachment']) && $row['post_attachment']) ? true : false;
$item_row = array(
'author' => ($feed->get('creator') !== NULL) ? $row[$feed->get('creator')] : '',
'published' => ($published > 0) ? $phpbb_feed_helper->format_date($published) : '',
'updated' => ($updated > 0) ? $phpbb_feed_helper->format_date($updated) : '',
'link' => '',
'title' => censor_text($title),
'category' => ($config['feed_item_statistics'] && !empty($row['forum_id'])) ? $board_url . '/viewforum.' . $phpEx . '?f=' . $row['forum_id'] : '',
'category_name' => ($config['feed_item_statistics'] && isset($row['forum_name'])) ? $row['forum_name'] : '',
'description' => censor_text($phpbb_feed_helper->generate_content($row[$feed->get('text')], $row[$feed->get('bbcode_uid')], $row[$feed->get('bitfield')], $options, $row['forum_id'], ($display_attachments ? $feed->get_attachments($row['post_id']) : array()))),
'statistics' => '',
);
// Adjust items, fill link, etc.
$feed->adjust_item($item_row, $row);
$item_vars[] = $item_row;
$feed_updated_time = max($feed_updated_time, $published, $updated);
}
// If we do not have any items at all, sending the current time is better than sending no time.
if (!$feed_updated_time)
{
$feed_updated_time = time();
}
// Some default assignments
// FEED_IMAGE is not used (atom)
$global_vars = array_merge($global_vars, array(
'FEED_IMAGE' => '',
'SELF_LINK' => $phpbb_feed_helper->append_sid('feed.' . $phpEx, $params),
'FEED_LINK' => $board_url . '/index.' . $phpEx,
'FEED_TITLE' => $config['sitename'],
'FEED_SUBTITLE' => $config['site_desc'],
'FEED_UPDATED' => $phpbb_feed_helper->format_date($feed_updated_time),
'FEED_LANG' => $user->lang['USER_LANG'],
'FEED_AUTHOR' => $config['sitename'],
));
switch ($mode)
{
case 'forums':
$global_vars['FEED_TITLE'] = $config['sitename'] . ' - ' . $user->lang['ALL_FORUMS'];
break;
case 'topics':
case 'topics_new':
$global_vars['FEED_TITLE'] = $config['sitename'] . ' - ' . $user->lang['FEED_TOPICS_NEW'];
break;
case 'topics_active':
$global_vars['FEED_TITLE'] = $config['sitename'] . ' - ' . $user->lang['FEED_TOPICS_ACTIVE'];
break;
case 'news':
$global_vars['FEED_TITLE'] = $config['sitename'] . ' - ' . $user->lang['FEED_NEWS'];
break;
default:
if ($topic_id)
{
$sql = 'SELECT topic_title
FROM ' . TOPICS_TABLE . '
WHERE topic_id = ' . (int) $topic_id;
$result = $db->sql_query($sql);
$topic_title = $db->sql_fetchfield('topic_title');
$db->sql_freeresult($result);
$global_vars['FEED_TITLE'] = $config['sitename'] . ' - ' . ($topic_title ? $topic_title : $user->lang['TOPIC']);
}
else if ($forum_id)
{
$sql = 'SELECT forum_name
FROM ' . FORUMS_TABLE . '
WHERE forum_id = ' . (int) $forum_id;
$result = $db->sql_query($sql);
$forum_name = $db->sql_fetchfield('forum_name');
$db->sql_freeresult($result);
$global_vars['FEED_TITLE'] = $config['sitename'] . ' - ' . ($forum_name ? $forum_name : $user->lang['FORUM']);
}
else
{
$global_vars['FEED_TITLE'] = $config['sitename'] . ' - ' . $user->lang['FEED_OVERALL'];
}
break;
}
$feed->close();
// Output page
// gzip_compression
if ($config['gzip_compress'])
{
if (@extension_loaded('zlib') && !headers_sent())
{
ob_start('ob_gzhandler');
}
}
// IF debug extra is enabled and admin want to "explain" the page we need to set other headers...
if (defined('DEBUG') && request_var('explain', 0) && $auth->acl_get('a_'))
{
header('Content-type: text/html; charset=UTF-8');
header('Cache-Control: private, no-cache="set-cookie"');
header('Expires: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
$totaltime = microtime(true) - $starttime;
if (method_exists($db, 'sql_report'))
{
$db->sql_report('display');
}
garbage_collection();
exit_handler();
}
header("Content-Type: application/atom+xml; charset=UTF-8");
header("Last-Modified: " . gmdate('D, d M Y H:i:s', $feed_updated_time) . ' GMT');
if (!empty($user->data['is_bot']))
{
// Let reverse proxies know we detected a bot.
header('X-PHPBB-IS-BOT: yes');
}
echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
echo '<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="' . $global_vars['FEED_LANG'] . '">' . "\n";
echo '<link rel="self" type="application/atom+xml" href="' . $global_vars['SELF_LINK'] . '" />' . "\n\n";
echo (!empty($global_vars['FEED_TITLE'])) ? '<title>' . $global_vars['FEED_TITLE'] . '</title>' . "\n" : '';
echo (!empty($global_vars['FEED_SUBTITLE'])) ? '<subtitle>' . $global_vars['FEED_SUBTITLE'] . '</subtitle>' . "\n" : '';
echo (!empty($global_vars['FEED_LINK'])) ? '<link href="' . $global_vars['FEED_LINK'] .'" />' . "\n" : '';
echo '<updated>' . $global_vars['FEED_UPDATED'] . '</updated>' . "\n\n";
echo '<author><name><![CDATA[' . $global_vars['FEED_AUTHOR'] . ']]></name></author>' . "\n";
echo '<id>' . $global_vars['SELF_LINK'] . '</id>' . "\n";
foreach ($item_vars as $row)
{
echo '<entry>' . "\n";
if (!empty($row['author']))
{
echo '<author><name><![CDATA[' . $row['author'] . ']]></name></author>' . "\n";
}
echo '<updated>' . ((!empty($row['updated'])) ? $row['updated'] : $row['published']) . '</updated>' . "\n";
if (!empty($row['published']))
{
echo '<published>' . $row['published'] . '</published>' . "\n";
}
echo '<id>' . $row['link'] . '</id>' . "\n";
echo '<link href="' . $row['link'] . '"/>' . "\n";
echo '<title type="html"><![CDATA[' . $row['title'] . ']]></title>' . "\n\n";
if (!empty($row['category']) && isset($row['category_name']) && $row['category_name'] !== '')
{
echo '<category term="' . $row['category_name'] . '" scheme="' . $row['category'] . '" label="' . $row['category_name'] . '"/>' . "\n";
}
echo '<content type="html" xml:base="' . $row['link'] . '"><![CDATA[' . "\n";
echo $row['description'];
if (!empty($row['statistics']))
{
echo '<p>' . $user->lang['STATISTICS'] . ': ' . $row['statistics'] . '</p>';
}
echo "\n" . ']]></content>' . "\n";
echo '</entry>' . "\n";
}
echo '</feed>';
garbage_collection();
exit_handler();