case 7:
// Show trackback
echo '<div class="voters" id="voters">';
// AdSense
do_banner_story();
print_story_tabs($tab_option);
echo '<a href="' . $link->get_trackback() . '" title="' . _('URI para trackbacks') . '" class="tab-trackback-url"><img src="' . $globals['base_url'] . 'img/common/permalink.gif" alt="' . _('enlace trackback') . '" width="16" height="9"/> ' . _('dirección de trackback') . '</a>' . "\n";
echo '<fieldset><legend>' . _('lugares que enlazan esta noticia') . '</legend>';
echo '<ul class="tab-trackback">';
$trackbacks = $db->get_col("SELECT trackback_id FROM trackbacks WHERE trackback_link_id={$link->id} AND trackback_type='in' and trackback_status = 'ok' ORDER BY trackback_date DESC limit 50");
if ($trackbacks) {
require_once mnminclude . 'trackback.php';
$trackback = new Trackback();
foreach ($trackbacks as $trackback_id) {
$trackback->id = $trackback_id;
$trackback->read();
echo '<li class="tab-trackback-entry"><a href="' . $trackback->url . '" rel="nofollow">' . $trackback->title . '</a> [' . preg_replace('/https*:\\/\\/([^\\/]+).*/', "\$1", $trackback->url) . ']</li>' . "\n";
}
}
echo '<li class="tab-trackback-technorati"><a href="http://technorati.com/search/' . urlencode($globals['link_permalink']) . '">' . _('Technorati') . '</a></li>' . "\n";
echo '<li class="tab-trackback-google"><a href="http://blogsearch.google.com/blogsearch?hl=es&q=link%3A' . urlencode($globals['link_permalink']) . '">' . _('Google') . '</a></li>' . "\n";
echo '<li class="tab-trackback-askcom"><a href="http://es.ask.com/blogsearch?q=' . urlencode($globals['link_permalink']) . '&t=a&search=Buscar&qsrc=2101&bql=any">' . _('Ask.com') . '</a></li>' . "\n";
echo '</ul>';
echo '</fieldset>';
echo '</div>';
break;
}
// echo '<div class="story-vertical-completion"> </div>';
echo '</div>';
echo '<!--' . "\n" . '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"' . "\n";
echo ' xmlns:dc="http://purl.org/dc/elements/1.1/"' . "\n";
if (empty($title) && empty($tb_url) && empty($blog_name)) {
// If it doesn't look like a trackback at all...
header('Location: ' . getmyFullurl("story", $tb_id));
exit;
}
if (!empty($tb_url) && !empty($title) && !empty($tb_url)) {
header('Content-Type: text/xml; charset=UTF-8');
$title = htmlspecialchars(strip_tags($title));
$title = strlen($title) > 150 ? substr($title, 0, 150) . '...' : $title;
$excerpt = strip_tags($excerpt);
$excerpt = strlen($excerpt) > 200 ? substr($excerpt, 0, 200) . '...' : $excerpt;
$trackres = new Trackback();
$trackres->link = $tb_id;
$trackres->type = 'in';
$trackres->url = $tb_url;
$dupe = $trackres->read();
if ($dupe) {
trackback_response(1, $main_smarty->get_config_vars('PLIGG_Visual_Trackback_AlreadyPing'));
}
$contents = @file_get_contents($tb_url);
if (!$contents) {
trackback_response(1, $main_smarty->get_config_vars('PLIGG_Visual_Trackback_BadURL'));
}
$permalink = get_permalink($tb_id);
$permalink_q = preg_quote($permalink, '/');
$pattern = "/<\\s*a.*href\\s*=[\"'\\s]*" . $permalink_q . "[\"'\\s]*.*>.*<\\s*\\/\\s*a\\s*>/i";
if (!preg_match($pattern, $contents)) {
trackback_response(1, $main_smarty->get_config_vars('PLIGG_Visual_Trackback_NoReturnLink'));
}
$trackres->title = $title;
$trackres->content = $excerpt;
if ($tbs = $db->get_col("select trackback_id from trackbacks where trackback_link_id = {$link->id} and trackback_status='pendent'")) {
foreach ($tbs as $tb_id) {
$tb = new Trackback();
$tb->id = $tb_id;
if ($tb->read()) {
$res = $tb->send($link);
}
}
}
// Send pingbacks for link inside the text
preg_match_all('/([\\(\\[:\\.\\s]|^)(https*:\\/\\/[^ \\t\\n\\r\\]\\(\\)\\&]{5,70}[^ \\t\\n\\r\\]\\(\\)]*[^ .\\t,\\n\\r\\(\\)\\"\'\\]\\?])/i', $link->content, $matches);
foreach ($matches[2] as $match) {
$tb = new Trackback();
$tb->link = clean_input_url($match);
$tb->link_id = $link->id;
$tb->author = $link->author;
if (!$tb->read()) {
$tmp = new Link();
if (!$tmp->get($match, 2000, false)) {
echo "couldn't get {$match}\n";
next;
}
if (!$tmp->pingback()) {
echo "couldn't get pingback {$match}\n";
next;
}
$tb->link = clean_input_url($match);
$tb->url = clean_input_url($tmp->trackback);
$tb->send($link);
}
}
function do_trackbacks()
{
global $db, $globals;
echo '<div id="trackback">';
echo '<h2><a href="' . get_trackback($globals['link_id']) . '" title="' . _('URI para trackbacks') . '">trackbacks</a></h2>';
$id = $globals['link_id'];
$trackbacks = $db->get_col("SELECT trackback_id FROM trackbacks WHERE trackback_link_id={$id} AND trackback_type='in' ORDER BY trackback_date DESC");
echo '<ul>';
if ($trackbacks) {
require_once mnminclude . 'trackback.php';
$trackback = new Trackback();
foreach ($trackbacks as $trackback_id) {
$trackback->id = $trackback_id;
$trackback->read();
echo '<li><a href="' . $trackback->url . '" title="' . $trackback->content . '">' . $trackback->title . '</a></li>';
}
} else {
echo '<li>' . _('(sin trackbacks)') . '</li>';
}
echo '<li><img src="img/favicons/technorati.png" alt="' . _('enlaces technorati') . '" width="16" height="16"/> <a href="http://technorati.com/search/' . urlencode(get_permalink($globals['link_id'])) . '">' . _('según Technorati') . '</a></li>';
echo "</ul>\n";
echo '</div><!--html1:do_trackbacks-->';
}
function pingback_ping($args)
{
global $db, $globals;
$pagelinkedfrom = clean_input_string($args[0]);
//$pagelinkedfrom = str_replace('&', '&', $pagelinkedfrom);
$pagelinkedto = clean_input_string($args[1]);
$title = '';
$urlfrom = parse_url($pagelinkedfrom);
$urltest = parse_url($pagelinkedto);
if (!$urlfrom || !$urltest) {
return new IXR_Error(0, 'Is there no link to us?');
}
if ($urltest['host'] != get_server_name()) {
return new IXR_Error(0, 'Is there no link to us?');
}
$base_uri = preg_quote($globals['base_url'] . $globals['base_story_url'], '/');
$uri = preg_replace("/^{$base_uri}/", '', $urltest[path]);
if (check_ban($globals['user_ip'], 'ip')) {
syslog(LOG_NOTICE, "Meneame: pingback, IP is banned ({$globals['user_ip']}): {$pagelinkedfrom} - {$pagelinkedto}");
return new IXR_Error(33, 'IP is banned.');
}
// Antispam of sites like xxx.yyy-zzz.info/archives/xxx.php
if (preg_match('/http:\\/\\/[a-z0-9]\\.[a-z0-9]+-[^\\/]+\\.info\\/archives\\/.+\\.php$/', $pagelinkedfrom)) {
return new IXR_Error(33, 'Host not allowed.');
}
if (check_ban($urlfrom[host], 'hostname', false)) {
syslog(LOG_NOTICE, "Meneame: pingback, site is banned: {$pagelinkedfrom} - {$pagelinkedto}");
return new IXR_Error(33, 'Site is banned.');
}
$link = new Link();
$link->uri = preg_replace('/#[\\w\\-\\_]+$/', '', $uri);
if (empty($uri) || !$link->read('uri')) {
syslog(LOG_NOTICE, "Meneame: pingback, story does not exist: {$pagelinkedto}");
return new IXR_Error(33, 'Story doesn\'t exist.');
}
if ($link->get_permalink() == $pagelinkedfrom) {
syslog(LOG_NOTICE, "Meneame: pingback, points to the same post: {$pagelinkedfrom} - {$pagelinkedto}");
return new IXR_Error(48, 'The pingback points to the same post.');
}
if ($link->date < time() - 86400 * 15) {
syslog(LOG_NOTICE, "Meneame: pingback, story is too old: {$pagelinkedto}");
return new IXR_Error(33, 'Story is too old for pingbacks.');
}
$trackres = new Trackback();
$trackres->link_id = $link->id;
$trackres->type = 'in';
$trackres->link = $pagelinkedfrom;
$trackres->url = $pagelinkedfrom;
if ($trackres->abuse()) {
return new IXR_Error(33, 'Don\'t send so many pings.');
}
$dupe = $trackres->read();
if ($dupe) {
syslog(LOG_NOTICE, "Meneame: pingback, we already have a ping from that URI for this post: {$pagelinkedfrom} - {$pagelinkedto}");
return new IXR_Error(48, 'The pingback has already been registered.');
}
// very stupid, but gives time to the 'from' server to publish !
sleep(1);
// Let's check the remote site
if (version_compare(phpversion(), '5.1.0') >= 0) {
$contents = @file_get_contents($pagelinkedfrom, FALSE, NULL, 0, 100000);
} else {
$contents = @file_get_contents($pagelinkedfrom);
}
if (!$contents) {
syslog(LOG_NOTICE, "Meneame: pingback, the provided URL does not seem to work: {$pagelinkedfrom} - {$pagelinkedto}");
return new IXR_Error(16, 'The source URL does not exist.');
}
if (preg_match('/charset=([a-zA-Z0-9-_]+)/i', $contents, $matches)) {
$this->encoding = trim($matches[1]);
if (strcasecmp($this->encoding, 'utf-8') != 0) {
$contents = iconv($this->encoding, 'UTF-8//IGNORE', $contents);
}
}
// Check is links back to us
$permalink = $link->get_permalink();
$permalink_q = preg_quote($permalink, '/');
$pattern = "/<\\s*a[^>]+href=[\"']" . $permalink_q . "[#\\/0-9a-z\\-]*[\"'][^>]*>/i";
if (!preg_match($pattern, $contents)) {
syslog(LOG_NOTICE, "Meneame: pingback, the provided URL does not have a link back to us: {$pagelinkedfrom} - {$pagelinkedto}");
return new IXR_Error(17, 'The source URL does not contain a link to the target URL, and so cannot be used as a source.');
}
// Search Title
if (preg_match('/<title[^<>]*>([^<>]*)<\\/title>/si', $contents, $matches)) {
$url_title = clean_text($matches[1]);
if (mb_strlen($url_title) > 3) {
$title = $url_title;
}
}
if (empty($title)) {
syslog(LOG_NOTICE, "Meneame: pingback, cannot find a title on that page: {$pagelinkedfrom} - {$pagelinkedto}");
return new IXR_Error(32, 'We cannot find a title on that page.');
}
$title = mb_strlen($title) > 120 ? mb_substr($title, 0, 120) . '...' : $title;
$trackres->title = $title;
$trackres->status = 'ok';
$trackres->store();
syslog(LOG_NOTICE, "Meneame: pingback ok: {$pagelinkedfrom} - {$pagelinkedto}");
return "Pingback from registered. Keep the web talking! :-)";
}
function do_trackbacks()
{
global $db;
$id = $_REQUEST['id'];
echo '<div id="blogged" style="z-index: 10;">';
echo '<h2>' . PLIGG_Visual_Trackback . '</h2>';
$trackbacks = $db->get_col("SELECT trackback_id FROM " . table_trackbacks . " WHERE trackback_link_id={$id} AND trackback_type='in' ORDER BY trackback_date DESC");
if ($trackbacks) {
echo '<ul>';
require_once mnminclude . 'trackback.php';
$trackback = new Trackback();
foreach ($trackbacks as $trackback_id) {
$trackback->id = $trackback_id;
$trackback->read();
echo '<li><a href="' . $trackback->url . '" title="' . htmlspecialchars($trackback->content) . '">' . $trackback->title . '</a></li>';
}
echo "</ul>\n";
}
echo '<br /></div>';
}
