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();
// 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
$board_url = generate_board_url();
// Get correct feed object
$feed = phpbb_feed_factory::init($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')] : '');
$item_time = (int) $row[$feed->get('date')];
$item_row = array(
'author' => ($feed->get('creator') !== NULL) ? $row[$feed->get('creator')] : '',
'pubdate' => feed_format_date($item_time),
'link' => '',
'title' => censor_text($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'])) ? $row['forum_name'] : '',
'description' => censor_text(feed_generate_content($row[$feed->get('text')], $row[$feed->get('bbcode_uid')], $row[$feed->get('bitfield')], $options)),
'statistics' => '',
);
// Adjust items, fill link, etc.
$feed->adjust_item($item_row, $row);
$item_vars[] = $item_row;
$feed_updated_time = max($feed_updated_time, $item_time);
}
// If we do not have any items at all, sending the current time is better than sending no time.
if (!$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' => ($user->img('site_logo', '', false, '', 'src')) ? $board_url . '/' . substr($user->img('site_logo', '', false, '', 'src'), strlen($phpbb_root_path)) : '',
'SELF_LINK' => feed_append_sid('/feed.' . $phpEx, $params),
'FEED_LINK' => $board_url . '/index.' . $phpEx,
'FEED_TITLE' => $config['sitename'],
'FEED_SUBTITLE' => $config['site_desc'],
'FEED_UPDATED' => feed_format_date($feed_updated_time),
'FEED_LANG' => $user->lang['USER_LANG'],
'FEED_AUTHOR' => $config['sitename'],
));
$feed->close();
// Output page
// gzip_compression
if ($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_EXTRA') && 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: 0');
header('Pragma: no-cache');
$mtime = explode(' ', microtime());
$totaltime = $mtime[0] + $mtime[1] - $starttime;
if (method_exists($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', $feed_updated_time) . ' GMT');
echo '' . "\n";
echo '' . "\n";
echo '' . "\n\n";
echo (!empty($global_vars['FEED_TITLE'])) ? '' . $global_vars['FEED_TITLE'] . '' . "\n" : '';
echo (!empty($global_vars['FEED_SUBTITLE'])) ? '' . $global_vars['FEED_SUBTITLE'] . '' . "\n" : '';
echo (!empty($global_vars['FEED_LINK'])) ? '' . "\n" : '';
echo '' . $global_vars['FEED_UPDATED'] . '' . "\n\n";
echo '' . "\n";
echo '' . $global_vars['SELF_LINK'] . '' . "\n";
foreach ($item_vars as $row)
{
echo '' . "\n";
if (!empty($row['author']))
{
echo '' . "\n";
}
echo '' . $row['pubdate'] . '' . "\n";
echo '' . $row['link'] . '' . "\n";
echo '' . "\n";
echo '<![CDATA[' . $row['title'] . ']]>' . "\n\n";
if (!empty($row['category']) && isset($row['category_name']) && $row['category_name'] !== '')
{
echo '' . "\n";
}
echo '' . $user->lang['STATISTICS'] . ': ' . $row['statistics'] . '';
}
echo '
' . "\n" . ']]>' . "\n";
echo '' . "\n";
}
echo '';
garbage_collection();
exit_handler();
/**
* Run links through append_sid(), prepend generate_board_url() and remove session id
**/
function feed_append_sid($url, $params)
{
global $board_url;
return append_sid($board_url . $url, $params, true, '');
}
/**
* Generate ISO 8601 date string (RFC 3339)
**/
function feed_format_date($time)
{
static $zone_offset;
static $offset_string;
if (empty($offset_string))
{
global $user;
$zone_offset = (int) $user->timezone + (int) $user->dst;
$sign = ($zone_offset < 0) ? '-' : '+';
$time_offset = abs($zone_offset);
$offset_seconds = $time_offset % 3600;
$offset_minutes = $offset_seconds / 60;
$offset_hours = ($time_offset - $offset_seconds) / 3600;
$offset_string = sprintf("%s%02d:%02d", $sign, $offset_hours, $offset_minutes);
}
return gmdate("Y-m-d\TH:i:s", $time + $zone_offset) . $offset_string;
}
/**
* Generate text content
**/
function feed_generate_content($content, $uid, $bitfield, $options)
{
global $user, $config, $phpbb_root_path, $phpEx, $board_url;
if (empty($content))
{
return '';
}
// Prepare some bbcodes for better parsing
$content = preg_replace("#\[quote(=".*?")?:$uid\]\s*(.*?)\s*\[/quote:$uid\]#si", "[quote$1:$uid]
$2
[/quote:$uid]", $content);
$content = generate_text_for_display($content, $uid, $bitfield, $options);
// Add newlines
$content = str_replace('
', '
' . "\n", $content);
// Relative Path to Absolute path, Windows style
$content = str_replace('./', $board_url . '/', $content);
// Remove "Select all" link and mouse events
$content = str_replace('' . $user->lang['SELECT_ALL_CODE'] . '', '', $content);
$content = preg_replace('#(onkeypress|onclick)="(.*?)"#si', '', $content);
// Firefox does not support CSS for feeds, though
// Remove font sizes
// $content = preg_replace('#([^>]+)#iU', '\1', $content);
// Make text strong :P
// $content = preg_replace('#(.*?)#iU', '\1', $content);
// Italic
// $content = preg_replace('#([^<]+)#iU', '\1', $content);
// Underline
// $content = preg_replace('#([^<]+)#iU', '\1', $content);
// Remove embed Windows Media Streams
$content = preg_replace( '#<\!--\[if \!IE\]>-->([^[]+)<\!--#si', '', $content);
// Do not use < and >, because we want to retain code contained in [code][/code]
// Remove embed and objects
$content = preg_replace( '#<(object|embed)(.*?) (value|src)=(.*?) ([^[]+)(object|embed)>#si',' $1 ',$content);
// Remove some specials html tag, because somewhere there are a mod to allow html tags ;)
$content = preg_replace( '#<(script|iframe)([^[]+)\1>#siU', ' $1 ', $content);
// Remove Comments from inline attachments [ia]
$content = preg_replace('#(.*?)(.*?)(.*?)
#si','$4',$content);
// Replace some entities with their unicode counterpart
$entities = array(
' ' => "\xC2\xA0",
'•' => "\xE2\x80\xA2",
'·' => "\xC2\xB7",
'©' => "\xC2\xA9",
);
$content = str_replace(array_keys($entities), array_values($entities), $content);
// Remove CDATA blocks. ;)
$content = preg_replace('#\<\!\[CDATA\[(.*?)\]\]\>#s', '', $content);
// Other control characters
$content = preg_replace('#(?:[\x00-\x1F\x7F]+|(?:\xC2[\x80-\x9F])+)#', '', $content);
return $content;
}
/**
* Factory class to return correct object
* @package phpBB3
*/
class phpbb_feed_factory
{
/**
* Return correct object for specified mode
*
* @param string $mode The feeds mode.
* @param int $forum_id Forum id specified by the script if forum feed provided.
* @param int $topic_id Topic id specified by the script if topic feed provided.
*
* @return object Returns correct feeds object for specified mode.
*/
function init($mode, $forum_id, $topic_id)
{
global $config;
switch ($mode)
{
case 'forums':
if (!$config['feed_overall_forums'])
{
return false;
}
return new phpbb_feed_forums();
break;
case 'topics':
case 'topics_new':
if (!$config['feed_topics_new'])
{
return false;
}
return new phpbb_feed_topics();
break;
case 'topics_active':
if (!$config['feed_topics_active'])
{
return false;
}
return new phpbb_feed_topics_active();
break;
case 'news':
global $db;
// Get at least one news forum
$sql = 'SELECT forum_id
FROM ' . FORUMS_TABLE . '
WHERE ' . $db->sql_bit_and('forum_options', FORUM_OPTION_FEED_NEWS, '<> 0');
$result = $db->sql_query_limit($sql, 1, 0, 600);
$s_feed_news = (int) $db->sql_fetchfield('forum_id');
$db->sql_freeresult($result);
if (!$s_feed_news)
{
return false;
}
return new phpbb_feed_news();
break;
default:
if ($topic_id && $config['feed_topic'])
{
return new phpbb_feed_topic($topic_id);
}
else if ($forum_id && $config['feed_forum'])
{
return new phpbb_feed_forum($forum_id);
}
else if ($config['feed_overall'])
{
return new phpbb_feed_overall();
}
return false;
break;
}
}
}
/**
* Base class with some generic functions and settings.
*
* @package phpBB3
*/
class phpbb_feed_base
{
/**
* SQL Query to be executed to get feed items
*/
var $sql = array();
/**
* Keys specified for retrieval of title, content, etc.
*/
var $keys = array();
/**
* Number of items to fetch. Usually overwritten by $config['feed_something']
*/
var $num_items = 15;
/**
* Separator for title elements to separate items (for example forum / topic)
*/
var $separator = "\xE2\x80\xA2"; // •
/**
* Separator for the statistics row (Posted by, post date, replies, etc.)
*/
var $separator_stats = "\xE2\x80\x94"; // —
/**
* Constructor
*/
function phpbb_feed_base()
{
global $config;
$this->set_keys();
// Allow num_items to be string
if (is_string($this->num_items))
{
$this->num_items = (int) $config[$this->num_items];
// A precaution
if (!$this->num_items)
{
$this->num_items = 10;
}
}
}
/**
* Set keys.
*/
function set_keys()
{
}
/**
* Open feed
*/
function open()
{
}
/**
* Close feed
*/
function close()
{
global $db;
if (!empty($this->result))
{
$db->sql_freeresult($this->result);
}
}
/**
* Set key
*/
function set($key, $value)
{
$this->keys[$key] = $value;
}
/**
* Get key
*/
function get($key)
{
return (isset($this->keys[$key])) ? $this->keys[$key] : NULL;
}
function get_readable_forums()
{
global $auth;
static $forum_ids;
if (!isset($forum_ids))
{
$forum_ids = array_keys($auth->acl_getf('f_read', true));
}
return $forum_ids;
}
function get_moderator_approve_forums()
{
global $auth;
static $forum_ids;
if (!isset($forum_ids))
{
$forum_ids = array_keys($auth->acl_getf('m_approve'));
}
return $forum_ids;
}
function get_excluded_forums()
{
global $db, $cache;
static $forum_ids;
// Matches acp/acp_board.php
$cache_name = 'feed_excluded_forum_ids';
if (!isset($forum_ids) && ($forum_ids = $cache->get('_' . $cache_name)) === false)
{
$sql = 'SELECT forum_id
FROM ' . FORUMS_TABLE . '
WHERE ' . $db->sql_bit_and('forum_options', FORUM_OPTION_FEED_EXCLUDE, '<> 0');
$result = $db->sql_query($sql);
$forum_ids = array();
while ($forum_id = (int) $db->sql_fetchfield('forum_id'))
{
$forum_ids[$forum_id] = $forum_id;
}
$db->sql_freeresult($result);
$cache->put('_' . $cache_name, $forum_ids);
}
return $forum_ids;
}
function is_excluded_forum($forum_id)
{
$forum_ids = $this->get_excluded_forums();
return isset($forum_ids[$forum_id]) ? true : false;
}
function get_passworded_forums()
{
global $db, $user;
// Exclude passworded forums
$sql = 'SELECT f.forum_id, fa.user_id
FROM ' . FORUMS_TABLE . ' f
LEFT JOIN ' . FORUMS_ACCESS_TABLE . " fa
ON (fa.forum_id = f.forum_id
AND fa.session_id = '" . $db->sql_escape($user->session_id) . "')
WHERE f.forum_password <> ''";
$result = $db->sql_query($sql);
$forum_ids = array();
while ($row = $db->sql_fetchrow($result))
{
$forum_id = (int) $row['forum_id'];
if ($row['user_id'] != $user->data['user_id'])
{
$forum_ids[$forum_id] = $forum_id;
}
}
$db->sql_freeresult($result);
return $forum_ids;
}
function get_item()
{
global $db, $cache;
static $result;
if (!isset($result))
{
if (!$this->get_sql())
{
return false;
}
// Query database
$sql = $db->sql_build_query('SELECT', $this->sql);
$result = $db->sql_query_limit($sql, $this->num_items);
}
return $db->sql_fetchrow($result);
}
function user_viewprofile($row)
{
global $phpEx, $user;
$author_id = (int) $row[$this->get('author_id')];
if ($author_id == ANONYMOUS)
{
// Since we cannot link to a profile, we just return GUEST
// instead of $row['username']
return $user->lang['GUEST'];
}
return '' . $row[$this->get('creator')] . '';
}
}
/**
* Abstract class for post based feeds
*
* @package phpBB3
*/
class phpbb_feed_post_base extends phpbb_feed_base
{
var $num_items = 'feed_limit_post';
function set_keys()
{
$this->set('title', 'post_subject');
$this->set('title2', 'topic_title');
$this->set('author_id', 'user_id');
$this->set('creator', 'username');
$this->set('date', 'post_time');
$this->set('text', 'post_text');
$this->set('bitfield', 'bbcode_bitfield');
$this->set('bbcode_uid','bbcode_uid');
$this->set('enable_bbcode', 'enable_bbcode');
$this->set('enable_smilies', 'enable_smilies');
$this->set('enable_magic_url', 'enable_magic_url');
}
function adjust_item(&$item_row, &$row)
{
global $phpEx, $config, $user;
$item_row['link'] = feed_append_sid('/viewtopic.' . $phpEx, "t={$row['topic_id']}&p={$row['post_id']}#p{$row['post_id']}");
if ($config['feed_item_statistics'])
{
$item_row['statistics'] = $user->lang['POSTED'] . ' ' . $user->lang['POST_BY_AUTHOR'] . ' ' . $this->user_viewprofile($row)
. ' ' . $this->separator_stats . ' ' . $user->format_date($row['post_time']);
}
}
}
/**
* Abstract class for topic based feeds
*
* @package phpBB3
*/
class phpbb_feed_topic_base extends phpbb_feed_base
{
var $num_items = 'feed_limit_topic';
function set_keys()
{
$this->set('title', 'topic_title');
$this->set('title2', 'forum_name');
$this->set('author_id', 'topic_poster');
$this->set('creator', 'topic_first_poster_name');
$this->set('date', 'topic_time');
$this->set('text', 'post_text');
$this->set('bitfield', 'bbcode_bitfield');
$this->set('bbcode_uid','bbcode_uid');
$this->set('enable_bbcode', 'enable_bbcode');
$this->set('enable_smilies', 'enable_smilies');
$this->set('enable_magic_url', 'enable_magic_url');
}
function adjust_item(&$item_row, &$row)
{
global $phpEx, $config, $user;
$item_row['link'] = feed_append_sid('/viewtopic.' . $phpEx, 't=' . $row['topic_id'] . '&p=' . $row['post_id'] . '#p' . $row['post_id']);
if ($config['feed_item_statistics'])
{
$item_row['statistics'] = $user->lang['POSTED'] . ' ' . $user->lang['POST_BY_AUTHOR'] . ' ' . $this->user_viewprofile($row)
. ' ' . $this->separator_stats . ' ' . $user->format_date($row[$this->get('date')])
. ' ' . $this->separator_stats . ' ' . $user->lang['REPLIES'] . ' ' . $row['topic_replies']
. ' ' . $this->separator_stats . ' ' . $user->lang['VIEWS'] . ' ' . $row['topic_views'];
}
}
}
/**
* Board wide feed (aka overall feed)
*
* This will give you the newest {$this->num_items} posts
* from the whole board.
*
* @package phpBB3
*/
class phpbb_feed_overall extends phpbb_feed_post_base
{
function get_sql()
{
global $auth, $db;
$forum_ids = array_diff($this->get_readable_forums(), $this->get_excluded_forums(), $this->get_passworded_forums());
if (empty($forum_ids))
{
return false;
}
// Add global forum id
$forum_ids[] = 0;
// m_approve forums
$fid_m_approve = $this->get_moderator_approve_forums();
$sql_m_approve = (!empty($fid_m_approve)) ? 'OR ' . $db->sql_in_set('forum_id', $fid_m_approve) : '';
// Determine topics with recent activity
$sql = 'SELECT topic_id, topic_last_post_time
FROM ' . TOPICS_TABLE . '
WHERE ' . $db->sql_in_set('forum_id', $forum_ids) . '
AND topic_moved_id = 0
AND (topic_approved = 1
' . $sql_m_approve . ')
ORDER BY topic_last_post_time DESC';
$result = $db->sql_query_limit($sql, $this->num_items);
$topic_ids = array();
$min_post_time = 0;
while ($row = $db->sql_fetchrow())
{
$topic_ids[] = (int) $row['topic_id'];
$min_post_time = (int) $row['topic_last_post_time'];
}
$db->sql_freeresult($result);
if (empty($topic_ids))
{
return false;
}
// Get the actual data
$this->sql = array(
'SELECT' => 'f.forum_id, f.forum_name, ' .
'p.post_id, p.topic_id, p.post_time, p.post_subject, p.post_text, p.bbcode_bitfield, p.bbcode_uid, p.enable_bbcode, p.enable_smilies, p.enable_magic_url, ' .
'u.username, u.user_id',
'FROM' => array(
POSTS_TABLE => 'p',
USERS_TABLE => 'u',
),
'LEFT_JOIN' => array(
array(
'FROM' => array(FORUMS_TABLE => 'f'),
'ON' => 'f.forum_id = p.forum_id',
),
),
'WHERE' => $db->sql_in_set('p.topic_id', $topic_ids) . '
AND (p.post_approved = 1
' . str_replace('forum_id', 'p.forum_id', $sql_m_approve) . ')
AND p.post_time >= ' . $min_post_time . '
AND u.user_id = p.poster_id',
'ORDER_BY' => 'p.post_time DESC',
);
return true;
}
function adjust_item(&$item_row, &$row)
{
parent::adjust_item($item_row, $row);
$item_row['title'] = (isset($row['forum_name']) && $row['forum_name'] !== '') ? $row['forum_name'] . ' ' . $this->separator . ' ' . $item_row['title'] : $item_row['title'];
}
}
/**
* Forum feed
*
* This will give you the last {$this->num_items} posts made
* within a specific forum.
*
* @package phpBB3
*/
class phpbb_feed_forum extends phpbb_feed_post_base
{
var $forum_id = 0;
var $forum_data = array();
function phpbb_feed_forum($forum_id)
{
parent::phpbb_feed_base();
$this->forum_id = (int) $forum_id;
}
function open()
{
global $db, $auth;
// Check if forum exists
$sql = 'SELECT forum_id, forum_name, forum_password, forum_type, forum_options
FROM ' . FORUMS_TABLE . '
WHERE forum_id = ' . $this->forum_id;
$result = $db->sql_query($sql);
$this->forum_data = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (empty($this->forum_data))
{
trigger_error('NO_FORUM');
}
// Forum needs to be postable
if ($this->forum_data['forum_type'] != FORUM_POST)
{
trigger_error('NO_FEED');
}
// Make sure forum is not excluded from feed
if (phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $this->forum_data['forum_options']))
{
trigger_error('NO_FEED');
}
// Make sure we can read this forum
if (!$auth->acl_get('f_read', $this->forum_id))
{
trigger_error('SORRY_AUTH_READ');
}
// Make sure forum is not passworded or user is authed
if ($this->forum_data['forum_password'])
{
$forum_ids_passworded = $this->get_passworded_forums();
if (isset($forum_ids_passworded[$this->forum_id]))
{
trigger_error('SORRY_AUTH_READ');
}
unset($forum_ids_passworded);
}
}
function get_sql()
{
global $auth, $db;
$m_approve = ($auth->acl_get('m_approve', $this->forum_id)) ? true : false;
$forum_ids = array(0, $this->forum_id);
// Determine topics with recent activity
$sql = 'SELECT topic_id, topic_last_post_time
FROM ' . TOPICS_TABLE . '
WHERE ' . $db->sql_in_set('forum_id', $forum_ids) . '
AND topic_moved_id = 0
' . ((!$m_approve) ? 'AND topic_approved = 1' : '') . '
ORDER BY topic_last_post_time DESC';
$result = $db->sql_query_limit($sql, $this->num_items);
$topic_ids = array();
$min_post_time = 0;
while ($row = $db->sql_fetchrow())
{
$topic_ids[] = (int) $row['topic_id'];
$min_post_time = (int) $row['topic_last_post_time'];
}
$db->sql_freeresult($result);
if (empty($topic_ids))
{
return false;
}
$this->sql = array(
'SELECT' => 'p.post_id, p.topic_id, p.post_time, p.post_subject, p.post_text, p.bbcode_bitfield, p.bbcode_uid, p.enable_bbcode, p.enable_smilies, p.enable_magic_url, ' .
'u.username, u.user_id',
'FROM' => array(
POSTS_TABLE => 'p',
USERS_TABLE => 'u',
),
'WHERE' => $db->sql_in_set('p.topic_id', $topic_ids) . '
' . ((!$m_approve) ? 'AND p.post_approved = 1' : '') . '
AND p.post_time >= ' . $min_post_time . '
AND p.poster_id = u.user_id',
'ORDER_BY' => 'p.post_time DESC',
);
return true;
}
function adjust_item(&$item_row, &$row)
{
parent::adjust_item($item_row, $row);
$item_row['title'] = (isset($row['forum_name']) && $row['forum_name'] !== '') ? $row['forum_name'] . ' ' . $this->separator . ' ' . $item_row['title'] : $item_row['title'];
}
function get_item()
{
return ($row = parent::get_item()) ? array_merge($this->forum_data, $row) : $row;
}
}
/**
* Topic feed for a specific topic
*
* This will give you the last {$this->num_items} posts made within this topic.
*
* @package phpBB3
*/
class phpbb_feed_topic extends phpbb_feed_post_base
{
var $topic_id = 0;
var $forum_id = 0;
var $topic_data = array();
function phpbb_feed_topic($topic_id)
{
parent::phpbb_feed_base();
$this->topic_id = (int) $topic_id;
}
function open()
{
global $auth, $db, $user;
$sql = 'SELECT f.forum_options, f.forum_password, t.topic_id, t.forum_id, t.topic_approved, t.topic_title, t.topic_time, t.topic_views, t.topic_replies, t.topic_type
FROM ' . TOPICS_TABLE . ' t
LEFT JOIN ' . FORUMS_TABLE . ' f
ON (f.forum_id = t.forum_id)
WHERE t.topic_id = ' . $this->topic_id;
$result = $db->sql_query($sql);
$this->topic_data = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (empty($this->topic_data))
{
trigger_error('NO_TOPIC');
}
if ($this->topic_data['topic_type'] == POST_GLOBAL)
{
// We need to find at least one postable forum where feeds are enabled,
// that the user can read and maybe also has approve permissions.
$in_fid_ary = $this->get_readable_forums();
if (empty($in_fid_ary))
{
// User cannot read any forums
trigger_error('SORRY_AUTH_READ');
}
if (!$this->topic_data['topic_approved'])
{
// Also require m_approve
$in_fid_ary = array_intersect($in_fid_ary, array_keys($auth->acl_getf('m_approve')));
if (empty($in_fid_ary))
{
trigger_error('SORRY_AUTH_READ');
}
}
// Diff excluded forums
$in_fid_ary = array_diff($in_fid_ary, $this->get_excluded_forums());
if (empty($in_fid_ary))
{
trigger_error('SORRY_AUTH_READ');
}
// Also exclude passworded forums
$in_fid_ary = array_diff($in_fid_ary, $this->get_passworded_forums());
if (empty($in_fid_ary))
{
trigger_error('SORRY_AUTH_READ');
}
$sql = 'SELECT forum_id, left_id
FROM ' . FORUMS_TABLE . '
WHERE forum_type = ' . FORUM_POST . '
AND ' . $db->sql_in_set('forum_id', $in_fid_ary) . '
ORDER BY left_id ASC';
$result = $db->sql_query_limit($sql, 1);
$this->forum_data = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (empty($this->forum_data))
{
// No forum found.
trigger_error('SORRY_AUTH_READ');
}
unset($in_fid_ary);
}
else
{
$this->forum_id = (int) $this->topic_data['forum_id'];
// Make sure topic is either approved or user authed
if (!$this->topic_data['topic_approved'] && !$auth->acl_get('m_approve', $this->forum_id))
{
trigger_error('SORRY_AUTH_READ');
}
// Make sure forum is not excluded from feed
if (phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $this->topic_data['forum_options']))
{
trigger_error('NO_FEED');
}
// Make sure we can read this forum
if (!$auth->acl_get('f_read', $this->forum_id))
{
trigger_error('SORRY_AUTH_READ');
}
// Make sure forum is not passworded or user is authed
if ($this->topic_data['forum_password'])
{
$forum_ids_passworded = $this->get_passworded_forums();
if (isset($forum_ids_passworded[$this->forum_id]))
{
trigger_error('SORRY_AUTH_READ');
}
unset($forum_ids_passworded);
}
}
}
function get_sql()
{
global $auth, $db;
$this->sql = array(
'SELECT' => 'p.post_id, p.post_time, p.post_subject, p.post_text, p.bbcode_bitfield, p.bbcode_uid, p.enable_bbcode, p.enable_smilies, p.enable_magic_url, ' .
'u.username, u.user_id',
'FROM' => array(
POSTS_TABLE => 'p',
USERS_TABLE => 'u',
),
'WHERE' => 'p.topic_id = ' . $this->topic_id . '
' . ($this->forum_id && !$auth->acl_get('m_approve', $this->forum_id) ? 'AND p.post_approved = 1' : '') . '
AND p.poster_id = u.user_id',
'ORDER_BY' => 'p.post_time DESC',
);
return true;
}
function get_item()
{
return ($row = parent::get_item()) ? array_merge($this->topic_data, $row) : $row;
}
}
/**
* 'All Forums' feed
*
* This will give you a list of all postable forums where feeds are enabled
* including forum description, topic stats and post stats
*
* @package phpBB3
*/
class phpbb_feed_forums extends phpbb_feed_base
{
var $num_items = 0;
function set_keys()
{
$this->set('title', 'forum_name');
$this->set('text', 'forum_desc');
$this->set('bitfield', 'forum_desc_bitfield');
$this->set('bbcode_uid','forum_desc_uid');
$this->set('date', 'forum_last_post_time');
$this->set('options', 'forum_desc_options');
}
function get_sql()
{
global $auth, $db;
$in_fid_ary = array_diff($this->get_readable_forums(), $this->get_excluded_forums());
if (empty($in_fid_ary))
{
return false;
}
// Build SQL Query
$this->sql = array(
'SELECT' => 'f.forum_id, f.left_id, f.forum_name, f.forum_last_post_time,
f.forum_desc, f.forum_desc_bitfield, f.forum_desc_uid, f.forum_desc_options,
f.forum_topics, f.forum_posts',
'FROM' => array(FORUMS_TABLE => 'f'),
'WHERE' => 'f.forum_type = ' . FORUM_POST . '
AND ' . $db->sql_in_set('f.forum_id', $in_fid_ary),
'ORDER_BY' => 'f.left_id ASC',
);
return true;
}
function adjust_item(&$item_row, &$row)
{
global $phpEx, $config;
$item_row['link'] = feed_append_sid('/viewforum.' . $phpEx, 'f=' . $row['forum_id']);
if ($config['feed_item_statistics'])
{
global $user;
$item_row['statistics'] = sprintf($user->lang['TOTAL_TOPICS_OTHER'], $row['forum_topics'])
. ' ' . $this->separator_stats . ' ' . sprintf($user->lang['TOTAL_POSTS_OTHER'], $row['forum_posts']);
}
}
}
/**
* News feed
*
* This will give you {$this->num_items} first posts
* of all topics in the selected news forums.
*
* @package phpBB3
*/
class phpbb_feed_news extends phpbb_feed_topic_base
{
function get_news_forums()
{
global $db, $cache;
static $forum_ids;
// Matches acp/acp_board.php
$cache_name = 'feed_news_forum_ids';
if (!isset($forum_ids) && ($forum_ids = $cache->get('_' . $cache_name)) === false)
{
$sql = 'SELECT forum_id
FROM ' . FORUMS_TABLE . '
WHERE ' . $db->sql_bit_and('forum_options', FORUM_OPTION_FEED_NEWS, '<> 0');
$result = $db->sql_query($sql);
$forum_ids = array();
while ($forum_id = (int) $db->sql_fetchfield('forum_id'))
{
$forum_ids[$forum_id] = $forum_id;
}
$db->sql_freeresult($result);
$cache->put('_' . $cache_name, $forum_ids);
}
return $forum_ids;
}
function get_sql()
{
global $auth, $config, $db;
// Determine forum ids
$in_fid_ary = array_intersect($this->get_news_forums(), $this->get_readable_forums());
if (empty($in_fid_ary))
{
return false;
}
$in_fid_ary = array_diff($in_fid_ary, $this->get_passworded_forums());
if (empty($in_fid_ary))
{
return false;
}
// Add global forum
$in_fid_ary[] = 0;
// We really have to get the post ids first!
$sql = 'SELECT topic_first_post_id, topic_time
FROM ' . TOPICS_TABLE . '
WHERE ' . $db->sql_in_set('forum_id', $in_fid_ary) . '
AND topic_moved_id = 0
AND topic_approved = 1
ORDER BY topic_time DESC';
$result = $db->sql_query_limit($sql, $this->num_items);
$post_ids = array();
while ($row = $db->sql_fetchrow($result))
{
$post_ids[] = (int) $row['topic_first_post_id'];
}
$db->sql_freeresult($result);
if (empty($post_ids))
{
return false;
}
$this->sql = array(
'SELECT' => 'f.forum_id, f.forum_name,
t.topic_id, t.topic_title, t.topic_poster, t.topic_first_poster_name, t.topic_replies, t.topic_views, t.topic_time,
p.post_id, p.post_time, p.post_text, p.bbcode_bitfield, p.bbcode_uid, p.enable_bbcode, p.enable_smilies, p.enable_magic_url',
'FROM' => array(
TOPICS_TABLE => 't',
POSTS_TABLE => 'p',
),
'LEFT_JOIN' => array(
array(
'FROM' => array(FORUMS_TABLE => 'f'),
'ON' => 'p.forum_id = f.forum_id',
),
),
'WHERE' => 'p.topic_id = t.topic_id
AND ' . $db->sql_in_set('p.post_id', $post_ids),
'ORDER_BY' => 'p.post_time DESC',
);
return true;
}
}
/**
* New Topics feed
*
* This will give you the last {$this->num_items} created topics
* including the first post.
*
* @package phpBB3
*/
class phpbb_feed_topics extends phpbb_feed_topic_base
{
function get_sql()
{
global $db, $config;
$forum_ids_read = $this->get_readable_forums();
if (empty($forum_ids_read))
{
return false;
}
$in_fid_ary = array_diff($forum_ids_read, $this->get_excluded_forums(), $this->get_passworded_forums());
if (empty($in_fid_ary))
{
return false;
}
// Add global forum
$in_fid_ary[] = 0;
// We really have to get the post ids first!
$sql = 'SELECT topic_first_post_id, topic_time
FROM ' . TOPICS_TABLE . '
WHERE ' . $db->sql_in_set('forum_id', $in_fid_ary) . '
AND topic_moved_id = 0
AND topic_approved = 1
ORDER BY topic_time DESC';
$result = $db->sql_query_limit($sql, $this->num_items);
$post_ids = array();
while ($row = $db->sql_fetchrow($result))
{
$post_ids[] = (int) $row['topic_first_post_id'];
}
$db->sql_freeresult($result);
if (empty($post_ids))
{
return false;
}
$this->sql = array(
'SELECT' => 'f.forum_id, f.forum_name,
t.topic_id, t.topic_title, t.topic_poster, t.topic_first_poster_name, t.topic_replies, t.topic_views, t.topic_time,
p.post_id, p.post_time, p.post_text, p.bbcode_bitfield, p.bbcode_uid, p.enable_bbcode, p.enable_smilies, p.enable_magic_url',
'FROM' => array(
TOPICS_TABLE => 't',
POSTS_TABLE => 'p',
),
'LEFT_JOIN' => array(
array(
'FROM' => array(FORUMS_TABLE => 'f'),
'ON' => 'p.forum_id = f.forum_id',
),
),
'WHERE' => 'p.topic_id = t.topic_id
AND ' . $db->sql_in_set('p.post_id', $post_ids),
'ORDER_BY' => 'p.post_time DESC',
);
return true;
}
function adjust_item(&$item_row, &$row)
{
parent::adjust_item($item_row, $row);
$item_row['title'] = (isset($row['forum_name']) && $row['forum_name'] !== '') ? $row['forum_name'] . ' ' . $this->separator . ' ' . $item_row['title'] : $item_row['title'];
}
}
/**
* Active Topics feed
*
* This will give you the last {$this->num_items} topics
* with replies made withing the last {$this->sort_days} days
* including the last post.
*
* @package phpBB3
*/
class phpbb_feed_topics_active extends phpbb_feed_topic_base
{
var $sort_days = 7;
function set_keys()
{
parent::set_keys();
$this->set('author_id', 'topic_last_poster_id');
$this->set('creator', 'topic_last_poster_name');
$this->set('date', 'topic_last_post_time');
$this->set('text', 'post_text');
}
function get_sql()
{
global $db, $config;
$forum_ids_read = $this->get_readable_forums();
if (empty($forum_ids_read))
{
return false;
}
$in_fid_ary = array_intersect($forum_ids_read, $this->get_forum_ids());
$in_fid_ary = array_diff($in_fid_ary, $this->get_passworded_forums());
if (empty($in_fid_ary))
{
return false;
}
// Add global forum
$in_fid_ary[] = 0;
// Search for topics in last X days
$last_post_time_sql = ($this->sort_days) ? ' AND topic_last_post_time > ' . (time() - ($this->sort_days * 24 * 3600)) : '';
// We really have to get the post ids first!
$sql = 'SELECT topic_last_post_id, topic_last_post_time
FROM ' . TOPICS_TABLE . '
WHERE ' . $db->sql_in_set('forum_id', $in_fid_ary) . '
AND topic_moved_id = 0
AND topic_approved = 1
' . $last_post_time_sql . '
ORDER BY topic_last_post_time DESC';
$result = $db->sql_query_limit($sql, $this->num_items);
$post_ids = array();
while ($row = $db->sql_fetchrow($result))
{
$post_ids[] = (int) $row['topic_last_post_id'];
}
$db->sql_freeresult($result);
if (empty($post_ids))
{
return false;
}
$this->sql = array(
'SELECT' => 'f.forum_id, f.forum_name,
t.topic_id, t.topic_title, t.topic_replies, t.topic_views,
t.topic_last_poster_id, t.topic_last_poster_name, t.topic_last_post_time,
p.post_id, p.post_time, p.post_text, p.bbcode_bitfield, p.bbcode_uid, p.enable_bbcode, p.enable_smilies, p.enable_magic_url',
'FROM' => array(
TOPICS_TABLE => 't',
POSTS_TABLE => 'p',
),
'LEFT_JOIN' => array(
array(
'FROM' => array(FORUMS_TABLE => 'f'),
'ON' => 'p.forum_id = f.forum_id',
),
),
'WHERE' => 'p.topic_id = t.topic_id
AND ' . $db->sql_in_set('p.post_id', $post_ids),
'ORDER_BY' => 'p.post_time DESC',
);
return true;
}
function get_forum_ids()
{
global $db, $cache;
static $forum_ids;
$cache_name = 'feed_topic_active_forum_ids';
if (!isset($forum_ids) && ($forum_ids = $cache->get('_' . $cache_name)) === false)
{
$sql = 'SELECT forum_id
FROM ' . FORUMS_TABLE . '
WHERE forum_type = ' . FORUM_POST . '
AND ' . $db->sql_bit_and('forum_options', FORUM_OPTION_FEED_EXCLUDE, '= 0') . '
AND ' . $db->sql_bit_and('forum_flags', log(FORUM_FLAG_ACTIVE_TOPICS, 2), '<> 0');
$result = $db->sql_query($sql);
$forum_ids = array();
while ($forum_id = (int) $db->sql_fetchfield('forum_id'))
{
$forum_ids[$forum_id] = $forum_id;
}
$db->sql_freeresult($result);
$cache->put('_' . $cache_name, $forum_ids, 180);
}
return $forum_ids;
}
function adjust_item(&$item_row, &$row)
{
parent::adjust_item($item_row, $row);
$item_row['title'] = (isset($row['forum_name']) && $row['forum_name'] !== '') ? $row['forum_name'] . ' ' . $this->separator . ' ' . $item_row['title'] : $item_row['title'];
}
}
?>