/**
* Returns an array of URLs that pingbacked the given URL
*
* @since 1.0
* @link http://www.aquarionics.com/misc/archives/blogite/0198.html
* @return array The array of URLs that pingbacked the given topic
* @param array $args Arguments passed by the XML-RPC call
* @param string $args[0] The full URI of the post where the pingback is being sent from
* @param string $args[1] The full URI of the post where the pingback is being sent to
*
* XML-RPC request to get all pingbacks on a topic
* <methodCall>
* <methodName>pingback.ping</methodName>
* <params>
* <param><value><string>http://example.com/2008/08/post-tobe-queried/</string></value></param>
* </params>
* </methodCall>
*/
function pingback_extensions_getPingbacks($args)
{
do_action('bb_xmlrpc_call', 'pingback.extensions.getPingbacks');
$this->escape($args);
// Don't accept arrays of arguments
if (is_array($args)) {
$this->error = new IXR_Error(404, __('The requested method only accepts one parameter.'));
return $this->error;
} else {
$url = (string) $args;
}
// Tidy up ampersands in the URI
$url = str_replace('&', '&', $url);
$url = str_replace('&', '&', $url);
// Check if the URI is in our site
if (!bb_match_domains($url, bb_get_uri())) {
// These are not the droids you are looking for
$this->error = new IXR_Error(0, __('The specified target URL is not on this domain.'));
return $this->error;
}
// Make sure the specified URI is in fact associated with a topic
if (!($topic = bb_get_topic_from_uri($url))) {
$this->error = new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn\'t exist, or it is not a pingback-enabled resource.'));
return $this->error;
}
// Grab the posts from the topic
$query = new BB_Query('post', array('topic_id' => $topic_to->topic_id, 'append_meta' => true), 'get_thread');
$posts_to = $query->results;
unset($query);
// Check for pingbacks in the post meta data
$pingbacks = array();
foreach ($posts_to as $post) {
if (isset($post->pingback_uri)) {
$pingbacks[] = $post->pingback_uri;
}
}
unset($post);
// This will return an empty array on failure
return $pingbacks;
}
}
bb_check_ajax_referer("delete-post_{$id}");
$status = (int) $_POST['status'];
if (!($bb_post = bb_get_post($id))) {
die('0');
}
if ($status == $bb_post->post_status) {
die('1');
}
// We're already there
if (bb_delete_post($id, $status)) {
$topic = get_topic($bb_post->topic_id);
if (0 == $topic->topic_posts) {
// If we deleted the only post, send back a nxt_Ajax_Response object with a URL to redirect to
if ($ref = nxt_get_referer()) {
$ref_topic = bb_get_topic_from_uri($ref);
if ($ref_topic && $ref_topic->topic_id == $topic->topic_id) {
$ref = add_query_arg('view', 'all', $ref);
}
if (false === strpos($ref, '#')) {
$ref .= "#post-{$bb_post->post_id}";
}
} else {
$ref = add_query_arg('view', 'all', get_post_link($topic->topic_id));
}
$x = new nxt_Ajax_Response(array('what' => 'post', 'id' => $bb_post->post_id, 'data' => $ref));
$x->send();
}
die('1');
}
break;
/**
* Sends a single pingback if a link is found
*
* @return integer The number of pingbacks sent
*/
function send_pingback($topic_id, $post_text)
{
if (!$topic_id || !$post_text) {
return 0;
}
// Get all links in the text and add them to an array
if (!preg_match_all('@<a ([^>]+)>@im', make_clickable($post_text), $post_links)) {
return 0;
}
$_links = array();
foreach ($post_links[1] as $post_link_attributes) {
$post_link_attributes = preg_split('@\\s+@im', $post_link_attributes, -1, PREG_SPLIT_NO_EMPTY);
foreach ($post_link_attributes as $post_link_attribute) {
if (strpos($post_link_attribute, '=', 1) !== false) {
list($_key, $_value) = explode('=', $post_link_attribute, 2);
if (strtolower($_key) === 'href') {
$_links[] = trim($_value, "'\"");
}
}
}
}
// Get pingbacks which have already been performed from this topic
$past_pingbacks = bb_get_topicmeta($topic_id, 'pingback_performed');
$new_pingbacks = array();
foreach ($_links as $_link) {
// If it's already been pingbacked, then skip it
if ($past_pingbacks && in_array($_link, $past_pingbacks)) {
continue;
}
// If it's trying to ping itself, then skip it
if ($topic = bb_get_topic_from_uri($_link)) {
if ($topic->topic_id === $topic_id) {
continue;
}
}
// Make sure it's a page on a site and not the root
if (!($_url = parse_url($_link))) {
continue;
}
if (!isset($_url['query'])) {
if ($_url['path'] == '' || $_url['path'] == '/') {
continue;
}
}
// Add the URL to the array of those to be pingbacked
$new_pingbacks[] = $_link;
}
include_once BACKPRESS_PATH . '/class.ixr.php';
$count = 0;
foreach ($new_pingbacks as $pingback_to_url) {
if (!($pingback_endpoint_uri = BB_Pingbacks::get_endpoint_uri($pingback_to_url))) {
continue;
}
// Stop this nonsense after 60 seconds
@set_time_limit(60);
// Get the URL to pingback from
$pingback_from_url = get_topic_link($topic_id);
// Using a timeout of 3 seconds should be enough to cover slow servers
$client = new IXR_Client($pingback_endpoint_uri);
$client->timeout = 3;
$client->useragent .= ' -- bbPress/' . bb_get_option('version');
// When set to true, this outputs debug messages by itself
$client->debug = false;
// If successful or the ping already exists then add to the pingbacked list
if ($client->query('pingback.ping', $pingback_from_url, $pingback_to_url) || isset($client->error->code) && 48 == $client->error->code) {
$count++;
$past_pingbacks[] = $pingback_to_url;
}
}
bb_update_topicmeta($topic_id, 'pingback_performed', $past_pingbacks);
return $count;
}
default:
switch ($status) {
case 0:
$message = 'unspammed-normal';
break;
case 1:
$message = 'unspammed-deleted';
break;
default:
break;
}
break;
}
$topic = get_topic($bb_post->topic_id);
if ($sendto = wp_get_referer()) {
$sendto = remove_query_arg('message', $sendto);
$sendto = add_query_arg('message', $message, $sendto);
$send_to_topic = bb_get_topic_from_uri($sendto);
if ($send_to_topic && $topic->topic_id == $send_to_topic->topic_id) {
$sendto = add_query_arg('view', 'all', $sendto);
}
} else {
if ($topic->topic_posts == 0) {
$sendto = get_forum_link($topic->forum_id);
} else {
$the_page = bb_get_page_number($bb_post->post_position);
$sendto = get_topic_link($bb_post->topic_id, $the_page);
}
}
bb_safe_redirect($sendto);
exit;
