function trimtext($str, $length, $nbsp = FALSE)
{
$str = strip_tags($str);
if (strlen($str) > $length) {
$str = unentify($str);
$str = substr($str, 0, $length + 1);
$str = entify($str) . "…";
}
if ($nbsp == TRUE) {
$str = str_replace(" ", " ", $str);
}
$str = str_replace("http://", "", $str);
return $str;
}
$registered = 1;
}
}
// If magic_quotes_gpc is set, we need to strip slashes..
if (get_magic_quotes_gpc()) {
$Pivot_Vars['piv_name'] = stripslashes($Pivot_Vars['piv_name']);
$Pivot_Vars['piv_email'] = stripslashes($Pivot_Vars['piv_email']);
$Pivot_Vars['piv_url'] = stripslashes($Pivot_Vars['piv_url']);
$Pivot_Vars['piv_comment'] = stripslashes($Pivot_Vars['piv_comment']);
}
$comment_text = strip_trailing_space($Pivot_Vars['piv_comment']);
$comment_text = str_replace("\r\n", "\n", $comment_text);
// CRLF(Win) to LF
$comment_text = str_replace("\r", "\n", $comment_text);
// CR(Mac) to LF
$my_comment = array('name' => entify($Pivot_Vars['piv_name']), 'email' => entify($Pivot_Vars['piv_email']), 'url' => entify($Pivot_Vars['piv_url']), 'ip' => $Pivot_Vars['REMOTE_ADDR'], 'date' => format_date("", "%year%-%month%-%day%-%hour24%-%minute%"), 'comment' => $comment_text, 'registered' => $registered, 'notify' => $Pivot_Vars['piv_notify'], 'discreet' => $Pivot_Vars['piv_discreet'], 'moderate' => $Cfg['moderate_comments'] == 1);
//here we do a check to prevent double entries...
$duplicate = FALSE;
if (isset($entry['comments']) && count($entry['comments']) > 0) {
foreach ($entry['comments'] as $loop_comment) {
$diff = 1 / (min(strlen($loop_comment['comment']), 200) / (levenshtein(substr($loop_comment['comment'], 0, 200), substr($my_comment['comment'], 0, 200)) + 1));
if ($diff < 0.25 && $loop_comment['ip'] == $my_comment['ip']) {
$duplicate = TRUE;
break;
}
}
}
// set the message and take proper action:
if (isset($Pivot_Vars['preview'])) {
// Add a 'show in preview' flag to $my_comment, otherwise it would be suppressed on display
$my_comment['showpreview'] = 1;
/**
* Store an edited trackback, and then show the edit_trackbacks screen
*
* @see edit_trackbacks()
*
*/
function submit_trackback()
{
global $Cfg, $Pivot_Vars;
// If magic_quotes_gpc is set, we need to strip slashes..
if (get_magic_quotes_gpc()) {
$Pivot_Vars['title'] = stripslashes($Pivot_Vars['title']);
$Pivot_Vars['excerpt'] = stripslashes($Pivot_Vars['excerpt']);
$Pivot_Vars['name'] = stripslashes($Pivot_Vars['name']);
}
$mytrack = array('title' => entify($Pivot_Vars['title']), 'excerpt' => entify($Pivot_Vars['excerpt']), 'name' => entify($Pivot_Vars['name']), 'url' => $Pivot_Vars['url'], 'ip' => $Pivot_Vars['ip'], 'date' => $Pivot_Vars['date']);
$db = new db();
$entry = $db->read_entry($Pivot_Vars['id']);
$entry['trackbacks'][$Pivot_Vars['count']] = $mytrack;
$db->set_entry($entry);
$db->save_entry();
// remove it from cache, to make sure the laters one is used.
$db->unread_entry($entry['code']);
$msg = lang('notice', 'trackback_saved');
edit_trackbacks($msg);
}
// checking if IP address of trackbacking site is blocked
if (ip_check_block($Pivot_Vars['REMOTE_ADDR'])) {
debug("Blocked user from " . $Pivot_Vars['REMOTE_ADDR'] . " tried to trackback");
respondExit("Your IP-address has been blocked, so you are not" . " allowed to leave trackbacks on this site. We know IP-adresses can easily be faked," . " but it helps.", 1);
}
// Exit if no trackback (entry) ID is given
if (!($Pivot_Vars['tb_id'] = mungeTbId($Pivot_Vars['tb_id']))) {
respondExit(lang('trackback', 'noid'), 1);
}
// Open database
$db = new db();
// Exit if non-existing ID supplied
if (!$db->entry_exists($Pivot_Vars['tb_id'])) {
respondExit('Non-existing ID', 1);
}
$my_trackback = array('name' => entify(urldecode(stripslashes($Pivot_Vars['blog_name']))), 'title' => entify(urldecode(stripslashes($Pivot_Vars['title']))), 'url' => urldecode($Pivot_Vars['url']), 'ip' => $Pivot_Vars['REMOTE_ADDR'], 'date' => format_date("", "%year%-%month%-%day%-%hour24%-%minute%"), 'excerpt' => strip_trailing_space(urldecode(stripslashes($Pivot_Vars['excerpt']))));
// Exit if no URL is given - need to know URL to foreign entry that
// trackbacked us.
if (empty($my_trackback['url'])) {
respondExit(lang('trackback', 'nourl'), 1);
}
// load an entry
$entry = $db->read_entry($Pivot_Vars['tb_id']);
//here we do a check to prevent double entries...
$duplicate = FALSE;
if (isset($entry['trackbacks']) && count($entry['trackbacks']) > 0) {
foreach ($entry['trackbacks'] as $loop_trackback) {
$diff = 1 / (min(strlen($loop_trackback['excerpt']), 200) / (levenshtein(substr($loop_trackback['excerpt'], -200), substr($my_trackback['excerpt'], -200)) + 1));
if ($diff < 0.25 && $loop_trackback['ip'] == $my_trackback['ip']) {
$duplicate = TRUE;
}