Serendipity Forums

Code: Select all

<?php
include 'serendipity_config.inc.php';

function test_serendipity_send($loc, $data, $contenttype = null) {
    global $serendipity;

    $target = parse_url($loc);
    if ($target['query'] != '') {
        $target['query'] = '?' . str_replace('&', '&', $target['query']);
    }

    echo "Parts: " . print_r($target, true) . "<br />\n";
    if ($target['scheme'] == 'https' && empty($target['port'])) {
        $target['port'] = 443;
        echo "FIXED port to 443<br />\n";
    }
    if (!is_numeric($target['port'])) {
       $target['port'] = 80;
    }

    $uri = $target['scheme'] . '://' . $target['host'] . ':' . $target['port'] . $target['path'] . $target['query'];

    echo "Sending TB to: " . $uri . "<br />\n";
    require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
    $options = array('allowRedirects' => true, 'maxRedirects' => 5, 'method' => 'POST');
    serendipity_plugin_api::hook_event('backend_http_request', $options, 'trackback_send');
    serendipity_request_start();

    $req = new HTTP_Request($uri, $options);
    if (isset($contenttype)){
       $req->addHeader('Content-Type', $contenttype);
    }

    $req->addRawPostData($data, true);
    echo "RAW POST DATA: <pre>" . print_r($data, true) . "</pre><br />\n";
    $res = $req->sendRequest();

    echo 'Sent to: ' . print_r($res, true) . "<br />\n";

    if (PEAR::isError($res)) {
        echo "PEAR FAILRUE!<br />\n";
        serendipity_request_end();
        return false;
    }

    $fContent = $req->getResponseBody();
    serendipity_request_end();

    echo "Returned " . strlen($fContent) . " Bytes.<br />\n";
    print_r($fContent);

    return $fContent;
}

function test_serendipity_trackback_autodiscover($res, $loc, $url, $author, $title, $text, $loc2 = '') {
    $is_wp    = false;
    $wp_check = false;

    if (preg_match('@((' . preg_quote($loc, '@') . '|' . preg_quote($loc2, '@') . ')/?trackback/)@i', $res, $wp_loc)) {
        // We found a WP-blog that may not advertise RDF-Tags!
        $is_wp = true;
    }

    if (!preg_match('@trackback:ping(\s*rdf:resource)?\s*=\s*["\'](https?:[^"\']+)["\']@i', $res, $matches)) {
        echo "RDF-XML not found!<br />\n";
        $matches = array();
        serendipity_plugin_api::hook_event('backend_trackback_check', $matches, $loc);

        // Plugins may say that a URI is valid, in situations where a blog has no valid RDF metadata
        if (empty($matches[2])) {
            if ($is_wp) {
                $wp_check = true;
            } else {
                echo '<div>&#8226; ' . sprintf(TRACKBACK_FAILED, TRACKBACK_NOT_FOUND) . '</div>';
                return false;
            }
        }
    }

    $trackURI = trim($matches[2]);
    echo "TB-URI resolved to " . $trackURI . "<br />\n";

    if (preg_match('@dc:identifier\s*=\s*["\'](https?:[^\'"]+)["\']@i', $res, $test)) {
        if ($loc != $test[1] && $loc2 != $test[1]) {
            if ($is_wp) {
                $wp_check = true;
            } else {
                echo '<div>&#8226; ' . sprintf(TRACKBACK_FAILED, TRACKBACK_URI_MISMATCH) . '</div>';
                return false;
            }
        }
    }

    // If $wp_check is set it means no RDF metadata was found, and we simply try the /trackback/ url.
    if ($wp_check) {
        $trackURI = $wp_loc[0];
    }

    $data = 'url='        . rawurlencode($url)
          . '&title='     . rawurlencode($title)
          . '&blog_name=' . rawurlencode($author)
          . '&excerpt='   . rawurlencode(strip_tags($text));

    printf(TRACKBACK_SENDING, htmlspecialchars($trackURI));

    $sent = test_serendipity_send($trackURI, $data);
    $response = serendipity_trackback_is_success($sent);

    if ($response === true) {
        echo '<div>&#8226; ' . TRACKBACK_SENT .'</div>';
    } else {
        echo '<div>&#8226; ' . sprintf(TRACKBACK_FAILED, $response) . '</div>';
    }

    return $response;
}

$loc = 'https://bernd.distler.ws/archives/1385-Probleme-mit-Serendipity-und-https-URLs.html';

$u = parse_url($loc);

if ($u['scheme'] != 'http' && $u['scheme'] != 'https') {
   echo "SCHEME != http(s)<br />\n";
    return;
} elseif ($u['scheme'] == 'https' && !extension_loaded('openssl')) {
   echo "HTTPS not supported!<br />\n";
    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'];

echo "Checking: " . $parsed_loc . "<br />\n";

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();
$req = new HTTP_Request($loc, $options);
$res = $req->sendRequest();

echo 'Ziehe HTTP-Request aus: ' . S9Y_PEAR_PATH . '<br />';
echo 'LOC: ' . $parsed_loc . '<br />';
echo '<pre>' . print_r($options, true) . '</pre>';
#echo '<pre>' . print_r($res, true) . '</pre>';
#echo '<pre>' . print_r($req, true) . '</pre>';

if (PEAR::isError($res)) {
    echo '<div>&#8226; ' . sprintf(TRACKBACK_COULD_NOT_CONNECT, $u['host'], $u['port']) .'</div>';
    serendipity_request_end();
    return;
}

$fContent = $req->getResponseBody();
serendipity_request_end();
echo strlen($fContent) . " Bytes erhalten.<br />\n";

$tb = test_serendipity_trackback_autodiscover($fContent, $parsed_loc, $parsed_loc, 'Author', 'Title', 'Text');
echo '<pre>' . print_r($tb, true) . '</pre>';

Code: Select all

https://bernd.distler.ws:443/comment.php?type=trackback&entry_id=1385

Code: Select all

echo "Trying plain: " . file_get_contents('https://bernd.distler.ws:443/comment.php?type=trackback&entry_id=1385') . "<br />\n";

echo "TRYING GET...<br />\n";
    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_send');
    serendipity_request_start();

    $req = new HTTP_Request($uri, $options);
    if (isset($contenttype)){
       $req->addHeader('Content-Type', $contenttype);
    }

    $res = $req->sendRequest();
    echo $req->getResponseBody() . "<br />\n";

echo "TRYING POST without DATA...<br />\n";
    require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
    $options = array('allowRedirects' => true, 'maxRedirects' => 5, 'method' => 'POST');
    serendipity_plugin_api::hook_event('backend_http_request', $options, 'trackback_send');
    serendipity_request_start();

    $req = new HTTP_Request($uri, $options);
    if (isset($contenttype)){
       $req->addHeader('Content-Type', $contenttype);
    }

    $res = $req->sendRequest();
    echo $req->getResponseBody() . "<br />\n";

Code: Select all

    // $tb = test_serendipity_trackback_autodiscover($fContent, $parsed_loc, $parsed_loc, 'Author', 'Title', 'Text');
    // echo '<pre>' . print_r($tb, true) . '</pre>';

Code: Select all

$uri = 'https://bernd.distler.ws:443/comment.php?type=trackback&entry_id=1385';
echo "Trying plain: " . file_get_contents($uri) . "<br />\n";
echo "TRYING GET...<br />\n";
    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_send');
    serendipity_request_start();

    $req = new HTTP_Request($uri, $options);
    if (isset($contenttype)){
       $req->addHeader('Content-Type', $contenttype);
    }

    $res = $req->sendRequest();
    echo $req->getResponseBody() . "<br />\n";

echo "TRYING POST without DATA...<br />\n";
    require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
    $options = array('allowRedirects' => true, 'maxRedirects' => 5, 'method' => 'POST');
    serendipity_plugin_api::hook_event('backend_http_request', $options, 'trackback_send');
    serendipity_request_start();

    $req = new HTTP_Request($uri, $options);
    if (isset($contenttype)){
       $req->addHeader('Content-Type', $contenttype);
    }

    $res = $req->sendRequest();
    echo $req->getResponseBody() . "<br />\n";