function do_trackback($formatter, $options)
{
global $DBInfo, $_release;
$entry = '';
if (!$formatter->page->exists()) {
$pos = strrpos($formatter->page->name, '/');
if ($pos > 0) {
$entry = substr($formatter->page->name, $pos + 1);
$pagename = substr($formatter->page->name, 0, $pos);
$page = new WikiPage($pagename);
$formatter = new Formatter($page, $options);
$options['page'] = $pagename;
} else {
$options['msg'] = _("Error: Page Not found !");
send_error(1, $options['msg']);
}
}
if (empty($options['url'])) {
$anchor = '';
if ($options['value']) {
$anchor = '/' . $options['value'];
}
$formatter->send_header("", $options);
if ($DBInfo->use_trackback) {
$ping_url = qualifiedUrl($formatter->link_url($formatter->page->urlname . $anchor, "?action=trackback"));
} else {
$ping_url = _("TrackBack is not activated !");
}
$sendping_action = $formatter->link_tag($formatter->page->urlname, "?action=sendping&value={$options['value']}", _("send ping"));
$tb_cache = new Cache_text('trackback');
if ($tb_cache->exists($options['page'])) {
$formatter->send_title(sprintf(_("TrackBack list of %s"), $options['page']), "", $options);
$trackbacks = explode("\n", $tb_cache->fetch($options['page']));
unset($trackbacks[sizeof($trackbacks) - 1]);
# trim the last empty line
print "<div class='trackback-hint'><b>" . _("TrackBack URL for this page:") . "</b><br />\n{$ping_url}<br /><br />\n";
print "<b>" . _("Send TrackBack Ping to another Blog:") . "</b> {$sendping_action}</div>\n<br />";
foreach ($trackbacks as $trackback) {
list($dummy, $entry, $url, $date, $sitename, $title, $excerpt) = explode("\t", $trackback);
if ($anchor and '/' . $entry != $anchor) {
continue;
}
$date[10] = " ";
# 2003-07-11T12:08:33+09:00
# $time=strtotime($date);
$time = strtotime($date);
$date = date("@ m-d [h:i a]", $time);
print "<div class='blog'>\n";
print "<div class='blog-title'><a href='{$url}'>{$title}</a></div>\n";
print "<div class='blog-user'>Submitted by <a href='{$url}'>{$sitename}</a> {$date}</div>\n";
print "<div class='blog-comment'>{$excerpt}</div>\n</div><br />\n";
}
} else {
$formatter->send_title(sprintf(_("No TrackBack entry found for %s"), $options['page']), "", $options);
print "<div class='trackback-hint'><b>" . _("TrackBack URL for this page:") . "</b><br />\n{$ping_url}<br /><br />\n";
print "<b>" . _("Send TrackBack Ping to another Blog:") . "</b> {$sendping_action}</div>\n";
}
$formatter->send_footer("", $options);
return;
}
if (!$DBInfo->use_trackback) {
send_error(1, "TrackBack is not enabled");
}
if (empty($options['title']) or empty($options['excerpt']) or empty($options['blog_name']) or empty($options['url'])) {
send_error(1, "Invalid TrackBack Ping");
}
# receivie Trackback ping
# strip \n
$title = strtr(_stripslashes($options['title']), "\t\n", " \r");
$excerpt = strtr(_stripslashes($options['excerpt']), "\t\n", " \r");
$blog_name = strtr(_stripslashes($options['blog_name']), "\t\n", " \r");
$url = strtr(_stripslashes($options['url']), "\t\n", " \r");
$timestamp = time();
$date = gmdate("Y-m-d\\TH:i:s", $timestamp);
$receive = $timestamp . "\t" . $entry . "\t" . $url . "\t" . $date . "\t" . $blog_name . "\t" . $title . "\t" . $excerpt . "\n";
$tb_cache = new Cache_text('trackback');
$old = $tb_cache->fetch($options['page']);
$ret = $tb_cache->update($options['page'], $old . $receive, time());
if ($ret === false) {
send_error(0, "Can't update Trackback list. Please try again");
}
send_error(0, 'Successfully added');
}
