Exemplos de serendipity_pingback_autodiscover em PHP

Exemplo n.º 1

Arquivo: functions_trackbacks.inc.php Projeto: vonnordmann/Serendipity

/**
 * Open a URL and autodetect contained ping/trackback locations
 *
 * @access public
 * @param   string  The URL to autodetect/try
 * @param   string  The URL to our blog
 * @param   string  The author of our entry
 * @param   string  The title of our entry
 * @param   string  The body of our entry
 * @return null
 */
function serendipity_reference_autodiscover($loc, $url, $author, $title, $text)
{
    global $serendipity;
    $timeout = 30;
    $u = parse_url($loc);
    if ($u['scheme'] != 'http' && $u['scheme'] != 'https') {
        return;
    } elseif ($u['scheme'] == 'https' && !extension_loaded('openssl')) {
        return;
        // Trackbacks to HTTPS URLs can only be performed with openssl activated
    }
    if (empty($u['port'])) {
        $u['port'] = 80;
        $port = '';
    } else {
        $port = ':' . $u['port'];
    }
    if (!empty($u['query'])) {
        $u['path'] .= '?' . $u['query'];
    }
    $parsed_loc = $u['scheme'] . '://' . $u['host'] . $port . $u['path'];
    if (preg_match('@\\.(jpe?g|aiff?|gif|png|pdf|doc|rtf|wave?|mp2|mp4|mpe?g3|mpe?g4|divx|xvid|bz2|mpe?g|avi|mp3|xl?|ppt|pps|xslt?|xsd|zip|tar|t?gz|swf|rm|ram?|exe|mov|qt|midi?|qcp|emf|wmf|snd|pmg|w?bmp|gcd|mms|ogg|ogm|rv|wmv|wma|jad|3g?|jar)$@i', $u['path'])) {
        // echo '<div>&#8226; ' . TRACKBACK_NO_DATA . '</div>';
        return;
    }
    echo '<div>&#8226; ' . sprintf(TRACKBACK_CHECKING, $loc) . '</div>';
    flush();
    require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
    $options = array('allowRedirects' => true, 'maxRedirects' => 5, 'method' => 'GET');
    serendipity_plugin_api::hook_event('backend_http_request', $options, 'trackback_detect');
    serendipity_request_start();
    $req = new HTTP_Request($parsed_loc, $options);
    $res = $req->sendRequest();
    if (PEAR::isError($res)) {
        echo '<div>&#8226; ' . sprintf(TRACKBACK_COULD_NOT_CONNECT, $u['host'], $u['port']) . '</div>';
        serendipity_request_end();
        return;
    }
    $fContent = $req->getResponseBody();
    serendipity_request_end();
    if (strlen($fContent) != 0) {
        $trackback_result = serendipity_trackback_autodiscover($fContent, $parsed_loc, $url, $author, $title, $text, $loc);
        if ($trackback_result == false) {
            serendipity_pingback_autodiscover($parsed_loc, $fContent, $url);
        }
    } else {
        echo '<div>&#8226; ' . TRACKBACK_NO_DATA . '</div>';
    }
    echo '<hr noshade="noshade" />';
}

Exemplo n.º 2

Arquivo: functions_trackbacks.inc.php Projeto: jimjag/Serendipity

/**
 * Open a URL and autodetect contained ping/trackback locations
 *
 * @access public
 * @param   string  The URL to autodetect/try
 * @param   string  The URL to our blog
 * @param   string  The author of our entry
 * @param   string  The title of our entry
 * @param   string  The body of our entry
 * @return null
 */
function serendipity_reference_autodiscover($loc, $url, $author, $title, $text)
{
    global $serendipity;
    $timeout = 30;
    $u = parse_url($loc);
    if ($u['scheme'] != 'http' && $u['scheme'] != 'https') {
        return;
    } elseif ($u['scheme'] == 'https' && !extension_loaded('openssl')) {
        return;
        // Trackbacks to HTTPS URLs can only be performed with openssl activated
    }
    if (empty($u['port'])) {
        $u['port'] = 80;
        $port = '';
    } else {
        $port = ':' . $u['port'];
    }
    if (!empty($u['query'])) {
        $u['path'] .= '?' . $u['query'];
    }
    $parsed_loc = $u['scheme'] . '://' . $u['host'] . $port . $u['path'];
    if (preg_match('@\\.(jpe?g|aiff?|gif|png|pdf|doc|rtf|wave?|mp2|mp4|mpe?g3|mpe?g4|divx|xvid|bz2|mpe?g|avi|mp3|xl?|ppt|pps|xslt?|xsd|zip|tar|t?gz|swf|rm|ram?|exe|mov|qt|midi?|qcp|emf|wmf|snd|pmg|w?bmp|gcd|mms|ogg|ogm|rv|wmv|wma|jad|3g?|jar)$@i', $u['path'])) {
        // echo '<div>&#8226; ' . TRACKBACK_NO_DATA . '</div>';
        return;
    }
    echo '<div>&#8226; ' . sprintf(TRACKBACK_CHECKING, $loc) . '</div>';
    flush();
    require_once S9Y_PEAR_PATH . 'HTTP/Request2.php';
    $options = array('follow_redirects' => true, 'max_redirects' => 5);
    serendipity_plugin_api::hook_event('backend_http_request', $options, 'trackback_detect');
    serendipity_request_start();
    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;
    }
    $req = new HTTP_Request2($parsed_loc, HTTP_Request2::METHOD_GET, $options);
    try {
        $res = $req->send();
    } catch (HTTP_Request2_Exception $e) {
        echo '<div>&#8226; ' . sprintf(TRACKBACK_COULD_NOT_CONNECT, $u['host'], $u['port']) . '</div>';
        serendipity_request_end();
        return;
    }
    $fContent = $res->getBody();
    serendipity_request_end();
    if (strlen($fContent) != 0) {
        $trackback_result = serendipity_trackback_autodiscover($fContent, $parsed_loc, $url, $author, $title, $text, $loc);
        if ($trackback_result == false) {
            serendipity_pingback_autodiscover($parsed_loc, $fContent, $url);
        }
    } else {
        echo '<div>&#8226; ' . TRACKBACK_NO_DATA . '</div>';
    }
    echo '<hr noshade="noshade" />';
}