/**
* Fetches additional comment data from the page that sent the pingback
* @access private
* @param array comment array to be filled
*/
function fetchPingbackData(&$comment)
{
global $serendipity;
// Don't fetch remote page, if not explicitly allowed in serendipity_config_local.php:
if (empty($serendipity['pingbackFetchPage'])) {
return;
}
// If we don't have a comment or a commentors url, stop it.
if (!isset($comment) || !is_array($comment) || !isset($comment['url'])) {
return;
}
// Max amount of characters fetched from the page doing a pingback:
$fetchPageMaxLength = 200;
if (isset($serendipity['pingbackFetchPageMaxLength'])) {
$fetchPageMaxLength = $serendipity['pingbackFetchPageMaxLength'];
}
require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
$url = $comment['url'];
if (function_exists('serendipity_request_start')) {
serendipity_request_start();
}
// Request the page
$req = new HTTP_Request($url, array('allowRedirects' => true, 'maxRedirects' => 5, 'timeout' => 20, 'readTimeout' => array(5, 0)));
// code 200: OK, code 30x: REDIRECTION
$responses = "/(200 OK)|(30[0-9] Found)/";
// |(30[0-9] Moved)
if (PEAR::isError($req->sendRequest()) || preg_match($responses, $req->getResponseCode())) {
// nothing to do,
} else {
$fContent = $req->getResponseBody();
// Get a title
if (preg_match('@<head[^>]*>.*?<title[^>]*>(.*?)</title>.*?</head>@is', $fContent, $matches)) {
$comment['title'] = serendipity_entity_decode(strip_tags($matches[1]), ENT_COMPAT, LANG_CHARSET);
}
// Try to get content from first <p> tag on:
if (preg_match('@<p[^>]*>(.*?)</body>@is', $fContent, $matches)) {
$body = $matches[1];
}
if (empty($body) && preg_match('@<body[^>]*>(.*?)</body>@is', $fContent, $matches)) {
$body = $matches[1];
}
// Get a part of the article
if (!empty($body)) {
$body = trackback_body_strip($body);
// truncate the text to 200 chars
$arr = str_split($body, $fetchPageMaxLength);
$body = $arr[0];
$comment['comment'] = $body . '[..]';
}
}
if (function_exists('serendipity_request_end')) {
serendipity_request_end();
}
}
/**
* Fetches additional comment data from the page that sent the pingback
* @access private
* @param array comment array to be filled
*/
function fetchPingbackData(&$comment)
{
global $serendipity;
// Don't fetch remote page, if not explicitly allowed in serendipity_config_local.php:
if (empty($serendipity['pingbackFetchPage'])) {
return;
}
// If we don't have a comment or a commentors url, stop it.
if (!isset($comment) || !is_array($comment) || !isset($comment['url'])) {
return;
}
// Max amount of characters fetched from the page doing a pingback:
$fetchPageMaxLength = 200;
if (isset($serendipity['pingbackFetchPageMaxLength'])) {
$fetchPageMaxLength = $serendipity['pingbackFetchPageMaxLength'];
}
require_once S9Y_PEAR_PATH . 'HTTP/Request2.php';
$url = $comment['url'];
if (function_exists('serendipity_request_start')) {
serendipity_request_start();
}
// Request the page
$options = array('follow_redirects' => true, 'max_redirects' => 5, 'timeout' => 20);
if (version_compare(PHP_VERSION, '5.6.0', '<')) {
// On earlier PHP versions, the certificate validation fails. We deactivate it on them to restore the functionality we had with HTTP/Request1
$options['ssl_verify_peer'] = false;
}
$req = new HTTP_Request2($url, HTTP_Request2::METHOD_GET, $options);
// code 200: OK, code 30x: REDIRECTION
$responses = "/(200)|(30[0-9])/";
// |(30[0-9] Moved)
try {
$response = $req->send();
if (preg_match($responses, $response->getStatus())) {
}
$fContent = $response->getBody();
// Get a title
if (preg_match('@<head[^>]*>.*?<title[^>]*>(.*?)</title>.*?</head>@is', $fContent, $matches)) {
$comment['title'] = serendipity_entity_decode(strip_tags($matches[1]), ENT_COMPAT, LANG_CHARSET);
}
// Try to get content from first <p> tag on:
if (preg_match('@<p[^>]*>(.*?)</body>@is', $fContent, $matches)) {
$body = $matches[1];
}
if (empty($body) && preg_match('@<body[^>]*>(.*?)</body>@is', $fContent, $matches)) {
$body = $matches[1];
}
// Get a part of the article
if (!empty($body)) {
$body = trackback_body_strip($body);
// truncate the text to 200 chars
$arr = str_split($body, $fetchPageMaxLength);
$body = $arr[0];
$comment['comment'] = $body . '[..]';
}
} catch (HTTP_Request2_Exception $e) {
}
if (function_exists('serendipity_request_end')) {
serendipity_request_end();
}
}
