<?php
/***************************************************************************
* functions_post.php
* -------------------
* Разработка: phpBB Group.
* Оптимизация под WAP: Гутник Игорь ( чел ).
* 2007 год
***************************************************************************/
if (!defined('IN_PHPBB'))
{
die('Hacking attempt');
}
$html_entities_match = array('#&(?!(\#[0-9]+;))#', '#<#', '#>#', '#"#');
$html_entities_replace = array('&', '<', '>', '"');
$unhtml_specialchars_match = array('#>#', '#<#', '#"#', '#&#');
$unhtml_specialchars_replace = array('>', '<', '"', '&');
function prepare_message($message, $html_on, $bbcode_on, $smile_on, $bbcode_uid = 0)
{
global $board_config, $html_entities_match, $html_entities_replace;
$message = trim($message);
$message = preg_replace("#\[rus\](.+?)\[/rus\]#ies","translit('\\1')", $message);
if ($html_on)
{
$message = stripslashes($message);
$html_match = '#<[^\w<]*(\w+)((?:"[^"]*"|\'[^\']*\'|[^<>\'"])+)?>#';
$matches = array();
$message_split = preg_split($html_match, $message);
preg_match_all($html_match, $message, $matches);
$message = '';
foreach ($message_split as $part)
{
$tag = array(array_shift($matches[0]), array_shift($matches[1]), array_shift($matches[2]));
$message .= preg_replace($html_entities_match, $html_entities_replace, $part) . clean_html($tag);
}
$message = addslashes($message);
$message = str_replace('"', '\"', $message);
}
else
{
$message = preg_replace($html_entities_match, $html_entities_replace, $message);
}
if($bbcode_on && $bbcode_uid != '')
{
$message = bbencode_first_pass($message, $bbcode_uid);
}
return $message;
}
function unprepare_message($message)
{
global $unhtml_specialchars_match, $unhtml_specialchars_replace;
return preg_replace($unhtml_specialchars_match, $unhtml_specialchars_replace, $message);
}
function prepare_post(&$mode, &$post_data, &$bbcode_on, &$html_on, &$smilies_on, &$error_msg, &$username, &$bbcode_uid, &$subject, &$message, &$poll_title, &$poll_options, &$poll_length)
{
global $board_config, $userdata, $lang, $phpEx, $phpbb_root_path;
if (!empty($username))
{
$username = phpbb_clean_username($username);
if (!$userdata['session_logged_in'] || ($userdata['session_logged_in'] && $username != $userdata['username']))
{
include($phpbb_root_path . 'includes/functions_validate.'.$phpEx);
$result = validate_username($username);
if ($result['error'])
{
$error_msg .= (!empty($error_msg)) ? '<br />' . $result['error_msg'] : $result['error_msg'];
}
}
else
{
$username = '';
}
}
if (!empty($subject))
{
$subject = htmlspecialchars(trim($subject));
}
else if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
{
$error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_subject'] : $lang['Empty_subject'];
}
if (!empty($message))
{
$bbcode_uid = ($bbcode_on) ? make_bbcode_uid() : '';
$message = prepare_message(trim($message), $html_on, $bbcode_on, $smilies_on, $bbcode_uid);
}
else if ($mode != 'delete' && $mode != 'poll_delete')
{
$error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_message'] : $lang['Empty_message'];
}
if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
{
$poll_length = (isset($poll_length)) ? max(0, intval($poll_length)) : 0;
if (!empty($poll_title))
{
$poll_title = htmlspecialchars(trim($poll_title));
}
if(!empty($poll_options))
{
$temp_option_text = array();
while(list($option_id, $option_text) = @each($poll_options))
{
$option_text = trim($option_text);
if (!empty($option_text))
{
$temp_option_text[intval($option_id)] = htmlspecialchars($option_text);
}
}
$option_text = $temp_option_text;
if (count($poll_options) < 2)
{
$error_msg .= (!empty($error_msg)) ? '<br />' . $lang['To_few_poll_options'] : $lang['To_few_poll_options'];
}
else if (count($poll_options) > $board_config['max_poll_options'])
{
$error_msg .= (!empty($error_msg)) ? '<br />' . $lang['To_many_poll_options'] : $lang['To_many_poll_options'];
}
else if ($poll_title == '')
{
$error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_poll_title'] : $lang['Empty_poll_title'];
}
}
}
return;
}
function submit_post($mode, &$post_data, &$message, &$meta, &$forum_id, &$topic_id, &$post_id, &$poll_id, &$topic_type, &$bbcode_on, &$html_on, &$smilies_on, &$attach_sig, &$bbcode_uid, $post_username, $post_subject, $post_message, $poll_title, &$poll_options, &$poll_length)
{
global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
global $userdata, $user_ip;
include($phpbb_root_path . 'includes/functions_search.'.$phpEx);
$current_time = time();
if ($mode == 'newtopic' || $mode == 'reply' || $mode == 'editpost')
{
$where_sql = ($userdata['user_id'] == ANONYMOUS) ? "poster_ip = '$user_ip'" : 'poster_id = ' . $userdata['user_id'];
$sql = "SELECT MAX(post_time) AS last_post_time
FROM " . POSTS_TABLE . "
WHERE $where_sql";
if ($result = $db->sql_query($sql))
{
if ($row = $db->sql_fetchrow($result))
{
if (intval($row['last_post_time']) > 0 && ($current_time - intval($row['last_post_time'])) < intval($board_config['flood_interval']))
{
message_die(GENERAL_MESSAGE, $lang['Flood_Error']);
}
}
}
}
if ($mode == 'editpost')
{
remove_search_post($post_id);
}
if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
{
$topic_vote = (!empty($poll_title) && count($poll_options) >= 2) ? 1 : 0;
$sql = ($mode != "editpost") ? "INSERT INTO " . TOPICS_TABLE . " (topic_title, topic_poster, topic_time, forum_id, topic_status, topic_type, topic_vote) VALUES ('$post_subject', " . $userdata['user_id'] . ", $current_time, $forum_id, " . TOPIC_UNLOCKED . ", $topic_type, $topic_vote)" : "UPDATE " . TOPICS_TABLE . " SET topic_title = '$post_subject', topic_type = $topic_type " . (($post_data['edit_vote'] || !empty($poll_title)) ? ", topic_vote = " . $topic_vote : "") . " WHERE topic_id = $topic_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
}
if ($mode == 'newtopic')
{
$topic_id = $db->sql_nextid();
}
}
$edited_sql = ($mode == 'editpost' && !$post_data['last_post'] && $post_data['poster_post']) ? ", post_edit_time = $current_time, post_edit_count = post_edit_count + 1 " : "";
$sql = ($mode != "editpost") ? "INSERT INTO " . POSTS_TABLE . " (topic_id, forum_id, poster_id, post_username, post_time, poster_ip, enable_bbcode, enable_html, enable_smilies, enable_sig) VALUES ($topic_id, $forum_id, " . $userdata['user_id'] . ", '$post_username', $current_time, '$user_ip', $bbcode_on, $html_on, $smilies_on, $attach_sig)" : "UPDATE " . POSTS_TABLE . " SET post_username = '$post_username', enable_bbcode = $bbcode_on, enable_html = $html_on, enable_smilies = $smilies_on, enable_sig = $attach_sig" . $edited_sql . " WHERE post_id = $post_id";
if (!$db->sql_query($sql, BEGIN_TRANSACTION))
{
message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
}
if ($mode != 'editpost')
{
$post_id = $db->sql_nextid();
}
$sql = ($mode != 'editpost') ? "INSERT INTO " . POSTS_TEXT_TABLE . " (post_id, post_subject, bbcode_uid, post_text) VALUES ($post_id, '$post_subject', '$bbcode_uid', '$post_message')" : "UPDATE " . POSTS_TEXT_TABLE . " SET post_text = '$post_message', bbcode_uid = '$bbcode_uid', post_subject = '$post_subject' WHERE post_id = $post_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
}
if ($mode == 'editpost' && $post_data['poster_id'] != $userdata['user_id'])
{
db_query('UPDATE {POSTS_TABLE} SET post_locked = %d WHERE post_id = %d', $post_data['post_locked'], $post_id);
}
add_search_words('single', $post_id, stripslashes($post_message), stripslashes($post_subject));
if (($mode == 'newtopic' || ($mode == 'editpost' && $post_data['edit_poll'])) && !empty($poll_title) && count($poll_options) >= 2)
{
$sql = (!$post_data['has_poll']) ? "INSERT INTO " . VOTE_DESC_TABLE . " (topic_id, vote_text, vote_start, vote_length) VALUES ($topic_id, '$poll_title', $current_time, " . ($poll_length * 86400) . ")" : "UPDATE " . VOTE_DESC_TABLE . " SET vote_text = '$poll_title', vote_length = " . ($poll_length * 86400) . " WHERE topic_id = $topic_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
}
$delete_option_sql = '';
$old_poll_result = array();
if ($mode == 'editpost' && $post_data['has_poll'])
{
$sql = "SELECT vote_option_id, vote_result
FROM " . VOTE_RESULTS_TABLE . "
WHERE vote_id = $poll_id
ORDER BY vote_option_id ASC";
if (!($result = $db->sql_query($sql)))
{
message_die(GENERAL_ERROR, 'Could not obtain vote data results for this topic', '', __LINE__, __FILE__, $sql);
}
while ($row = $db->sql_fetchrow($result))
{
$old_poll_result[$row['vote_option_id']] = $row['vote_result'];
if (!isset($poll_options[$row['vote_option_id']]))
{
$delete_option_sql .= ($delete_option_sql != '') ? ', ' . $row['vote_option_id'] : $row['vote_option_id'];
}
}
}
else
{
$poll_id = $db->sql_nextid();
}
@reset($poll_options);
$poll_option_id = 1;
while (list($option_id, $option_text) = each($poll_options))
{
if (!empty($option_text))
{
$option_text = str_replace("\'", "''", htmlspecialchars($option_text));
$poll_result = ($mode == "editpost" && isset($old_poll_result[$option_id])) ? $old_poll_result[$option_id] : 0;
$sql = ($mode != "editpost" || !isset($old_poll_result[$option_id])) ? "INSERT INTO " . VOTE_RESULTS_TABLE . " (vote_id, vote_option_id, vote_option_text, vote_result) VALUES ($poll_id, $poll_option_id, '$option_text', $poll_result)" : "UPDATE " . VOTE_RESULTS_TABLE . " SET vote_option_text = '$option_text', vote_result = $poll_result WHERE vote_option_id = $option_id AND vote_id = $poll_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
}
$poll_option_id++;
}
}
if ($delete_option_sql != '')
{
$sql = "DELETE FROM " . VOTE_RESULTS_TABLE . "
WHERE vote_option_id IN ($delete_option_sql)
AND vote_id = $poll_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error deleting pruned poll options', '', __LINE__, __FILE__, $sql);
}
}
}
$meta = '<meta http-equiv="refresh" content="0;url=' . append_sid("viewtopic.$phpEx?" . POST_POST_URL . "=" . $post_id) . '#' . $post_id . '">';
$message = $lang['Stored'] . '<br/><a href="' . append_sid("viewtopic.$phpEx?" . POST_POST_URL . "=" . $post_id) . '#' . $post_id . '"><--</a>';
return false;
}
function update_post_stats(&$mode, &$post_data, &$forum_id, &$topic_id, &$post_id, &$user_id)
{
global $db;
$sign = ($mode == 'delete') ? '- 1' : '+ 1';
$forum_update_sql = "forum_posts = forum_posts $sign";
$topic_update_sql = '';
if ($mode == 'delete')
{
if ($post_data['last_post'])
{
if ($post_data['first_post'])
{
$forum_update_sql .= ', forum_topics = forum_topics - 1';
}
else
{
$topic_update_sql .= 'topic_replies = topic_replies - 1';
$sql = "SELECT MAX(post_id) AS last_post_id
FROM " . POSTS_TABLE . "
WHERE topic_id = $topic_id";
if (!($result = $db->sql_query($sql)))
{
message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
}
db_query('UPDATE {REPUTATION_TABLE} SET post_id = {NO_ID} WHERE post_id = %d', $post_id);
db_query('DELETE FROM {POST_REPORTS_TABLE} WHERE post_id = %d', $post_id);
if ($row = $db->sql_fetchrow($result))
{
$topic_update_sql .= ', topic_last_post_id = ' . $row['last_post_id'];
}
}
if ($post_data['last_topic'])
{
$sql = "SELECT MAX(post_id) AS last_post_id
FROM " . POSTS_TABLE . "
WHERE forum_id = $forum_id";
if (!($result = $db->sql_query($sql)))
{
message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
}
if ($row = $db->sql_fetchrow($result))
{
$forum_update_sql .= ($row['last_post_id']) ? ', forum_last_post_id = ' . $row['last_post_id'] : ', forum_last_post_id = 0';
}
}
}
else if ($post_data['first_post'])
{
$sql = "SELECT MIN(post_id) AS first_post_id
FROM " . POSTS_TABLE . "
WHERE topic_id = $topic_id";
if (!($result = $db->sql_query($sql)))
{
message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
}
if ($row = $db->sql_fetchrow($result))
{
$topic_update_sql .= 'topic_replies = topic_replies - 1, topic_first_post_id = ' . $row['first_post_id'];
}
}
else
{
$topic_update_sql .= 'topic_replies = topic_replies - 1';
}
}
else if ($mode != 'poll_delete')
{
$forum_update_sql .= ", forum_last_post_id = $post_id" . (($mode == 'newtopic') ? ", forum_topics = forum_topics $sign" : "");
$topic_update_sql = "topic_last_post_id = $post_id" . (($mode == 'reply') ? ", topic_replies = topic_replies $sign" : ", topic_first_post_id = $post_id");
}
else
{
$topic_update_sql .= 'topic_vote = 0';
}
if ($mode != 'poll_delete')
{
$sql = "UPDATE " . FORUMS_TABLE . " SET
$forum_update_sql
WHERE forum_id = $forum_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
}
}
if ($topic_update_sql != '')
{
$sql = "UPDATE " . TOPICS_TABLE . " SET
$topic_update_sql
WHERE topic_id = $topic_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
}
}
if ($mode != 'poll_delete')
{
$sql = "SELECT forum_postcount
FROM " . FORUMS_TABLE . "
WHERE forum_id = $forum_id AND forum_postcount = 0";
if (!($result = $db->sql_query($sql)))
{
message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
}
if ($row = $db->sql_fetchrow($result))
{
return;
}
$sql = "UPDATE " . USERS_TABLE . "
SET user_posts = user_posts $sign
WHERE user_id = $user_id";
if (!$db->sql_query($sql, END_TRANSACTION))
{
message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
}
}
return;
}
function delete_post($mode, &$post_data, &$message, &$meta, &$forum_id, &$topic_id, &$post_id, &$poll_id)
{
global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
global $userdata, $user_ip;
if ($mode != 'poll_delete')
{
include($phpbb_root_path . 'includes/functions_search.'.$phpEx);
$sql = "DELETE FROM " . POSTS_TABLE . "
WHERE post_id = $post_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
}
$sql = "DELETE FROM " . POSTS_TEXT_TABLE . "
WHERE post_id = $post_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
}
if ($post_data['last_post'])
{
if ($post_data['first_post'])
{
$forum_update_sql .= ', forum_topics = forum_topics - 1';
$sql = "DELETE FROM " . TOPICS_TABLE . "
WHERE topic_id = $topic_id
OR topic_moved_id = $topic_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
}
$sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "
WHERE topic_id = $topic_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
}
}
}
remove_search_post($post_id);
}
if ($mode == 'poll_delete' || ($mode == 'delete' && $post_data['first_post'] && $post_data['last_post']) && $post_data['has_poll'] && $post_data['edit_poll'])
{
$sql = "DELETE FROM " . VOTE_DESC_TABLE . "
WHERE topic_id = $topic_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
}
$sql = "DELETE FROM " . VOTE_RESULTS_TABLE . "
WHERE vote_id = $poll_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
}
$sql = "DELETE FROM " . VOTE_USERS_TABLE . "
WHERE vote_id = $poll_id";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
}
}
if ($mode == 'delete' && $post_data['first_post'] && $post_data['last_post'])
{
$meta = '<meta http-equiv="refresh" content="0;url=' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . '=' . $forum_id) . '">';
$message = $lang['Deleted'];
}
else
{
$meta = '<meta http-equiv="refresh" content="0;url=' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . '=' . $topic_id) . '">';
$message = (($mode == 'poll_delete') ? $lang['Poll_delete'] : $lang['Deleted']) . '<br /><br />' . sprintf($lang['Click_return_topic'], '<a href="' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id") . '">', '</a>');
}
$message .= '<br /><br />' . sprintf($lang['Click_return_forum'], '<a href="' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id") . '">', '</a>');
return;
}
function user_notification($mode, &$post_data, &$topic_title, &$forum_id, &$topic_id, &$post_id, &$notify_user)
{
global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
global $userdata, $user_ip;
$current_time = time();
if ($mode != 'delete')
{
if ($mode == 'reply')
{
$sql = "SELECT ban_userid
FROM " . BANLIST_TABLE;
if (!($result = $db->sql_query($sql)))
{
message_die(GENERAL_ERROR, 'Could not obtain banlist', '', __LINE__, __FILE__, $sql);
}
$user_id_sql = '';
while ($row = $db->sql_fetchrow($result))
{
if (isset($row['ban_userid']) && !empty($row['ban_userid']))
{
$user_id_sql .= ', ' . $row['ban_userid'];
}
}
$sql = "SELECT u.user_id, u.user_email, u.user_lang
FROM " . TOPICS_WATCH_TABLE . " tw, " . USERS_TABLE . " u
WHERE tw.topic_id = $topic_id
AND tw.user_id NOT IN (" . $userdata['user_id'] . ", " . ANONYMOUS . $user_id_sql . ")
AND tw.notify_status = " . TOPIC_WATCH_UN_NOTIFIED . "
AND u.user_id = tw.user_id";
if (!($result = $db->sql_query($sql)))
{
message_die(GENERAL_ERROR, 'Could not obtain list of topic watchers', '', __LINE__, __FILE__, $sql);
}
$update_watched_sql = '';
$bcc_list_ary = array();
if ($row = $db->sql_fetchrow($result))
{
@set_time_limit(60);
do
{
if ($row['user_email'] != '')
{
$bcc_list_ary[$row['user_lang']][] = $row['user_email'];
}
$update_watched_sql .= ($update_watched_sql != '') ? ', ' . $row['user_id'] : $row['user_id'];
}
while ($row = $db->sql_fetchrow($result));
if (preg_match('/[c-z]:\\\.*/i', getenv('PATH')) && !$board_config['smtp_delivery'])
{
$ini_val = (@phpversion() >= '4.0.0') ? 'ini_get' : 'get_cfg_var';
$board_config['smtp_delivery'] = 1;
$board_config['smtp_host'] = @$ini_val('SMTP');
}
if (sizeof($bcc_list_ary))
{
include($phpbb_root_path . 'includes/emailer.'.$phpEx);
$emailer = new emailer($board_config['smtp_delivery']);
$script_name = preg_replace('/^\/?(.*?)\/?$/', '\1', trim($board_config['script_path']));
$script_name = ($script_name != '') ? $script_name . '/viewtopic.'.$phpEx : 'viewtopic.'.$phpEx;
$server_name = trim($board_config['server_name']);
$server_protocol = ($board_config['cookie_secure']) ? 'https://' : 'http://';
$server_port = ($board_config['server_port'] <> 80) ? ':' . trim($board_config['server_port']) . '/' : '/';
$orig_word = array();
$replacement_word = array();
obtain_word_list($orig_word, $replacement_word);
$emailer->from($board_config['board_email']);
$emailer->replyto($board_config['board_email']);
$topic_title = (count($orig_word)) ? preg_replace($orig_word, $replacement_word, unprepare_message($topic_title)) : unprepare_message($topic_title);
@reset($bcc_list_ary);
while (list($user_lang, $bcc_list) = each($bcc_list_ary))
{
$emailer->use_template('topic_notify', $user_lang);
for ($i = 0; $i < count($bcc_list); $i++)
{
$emailer->bcc($bcc_list[$i]);
}
$emailer->msg = preg_replace('#[ ]?{USERNAME}#', '', $emailer->msg);
$emailer->assign_vars(array(
'EMAIL_SIG' => (!empty($board_config['board_email_sig'])) ? str_replace('<br />', "\n", "-- \n" . $board_config['board_email_sig']) : '',
'SITENAME' => $board_config['sitename'],
'TOPIC_TITLE' => $topic_title,
'U_TOPIC' => $server_protocol . $server_name . $server_port . $script_name . '?' . POST_POST_URL . "=$post_id#$post_id",
'U_STOP_WATCHING_TOPIC' => $server_protocol . $server_name . $server_port . $script_name . '?' . POST_TOPIC_URL . "=$topic_id&unwatch=topic")
);
$emailer->send();
$emailer->reset();
}
}
}
$db->sql_freeresult($result);
if ($update_watched_sql != '')
{
$sql = "UPDATE " . TOPICS_WATCH_TABLE . "
SET notify_status = " . TOPIC_WATCH_NOTIFIED . "
WHERE topic_id = $topic_id
AND user_id IN ($update_watched_sql)";
$db->sql_query($sql);
}
}
$sql = "SELECT topic_id
FROM " . TOPICS_WATCH_TABLE . "
WHERE topic_id = $topic_id
AND user_id = " . $userdata['user_id'];
if (!($result = $db->sql_query($sql)))
{
message_die(GENERAL_ERROR, 'Could not obtain topic watch information', '', __LINE__, __FILE__, $sql);
}
$row = $db->sql_fetchrow($result);
if (!$notify_user && !empty($row['topic_id']))
{
$sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "
WHERE topic_id = $topic_id
AND user_id = " . $userdata['user_id'];
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Could not delete topic watch information', '', __LINE__, __FILE__, $sql);
}
}
else if ($notify_user && empty($row['topic_id']))
{
$sql = "INSERT INTO " . TOPICS_WATCH_TABLE . " (user_id, topic_id, notify_status)
VALUES (" . $userdata['user_id'] . ", $topic_id, 0)";
if (!$db->sql_query($sql))
{
message_die(GENERAL_ERROR, 'Could not insert topic watch information', '', __LINE__, __FILE__, $sql);
}
}
}
}
function clean_html($tag)
{
global $board_config;
if (empty($tag[0]))
{
return '';
}
$allowed_html_tags = preg_split('/, */', strtolower($board_config['allow_html_tags']));
$disallowed_attributes = '/^(?:style|on)/i';
preg_match('/<[^\w\/]*\/[\W]*(\w+)/', $tag[0], $matches);
if (sizeof($matches))
{
if (in_array(strtolower($matches[1]), $allowed_html_tags))
{
return '</' . $matches[1] . '>';
}
else
{
return htmlspecialchars('</' . $matches[1] . '>');
}
}
if (in_array(strtolower($tag[1]), $allowed_html_tags))
{
$attributes = '';
if (!empty($tag[2]))
{
preg_match_all('/[\W]*?(\w+)[\W]*?=[\W]*?(["\'])((?:(?!\2).)*)\2/', $tag[2], $test);
for ($i = 0; $i < sizeof($test[0]); $i++)
{
if (preg_match($disallowed_attributes, $test[1][$i]))
{
continue;
}
$attributes .= ' ' . $test[1][$i] . '=' . $test[2][$i] . str_replace(array('[', ']'), array('[', ']'), htmlspecialchars($test[3][$i])) . $test[2][$i];
}
}
if (in_array(strtolower($tag[1]), $allowed_html_tags))
{
return '<' . $tag[1] . $attributes . '>';
}
else
{
return htmlspecialchars('<' . $tag[1] . $attributes . '>');
}
}
else
{
return htmlspecialchars('<' . $tag[1] . '>');
}
}
?>