/**
* @return an array of Target XRD URLs.
*/
public function getTargetXrdUrlsOnHost($hostname)
{
$targetXrdUrls = array();
// Look up the OExchange relations in the host's main XRD
$hostMetaUrl = "http://" . $hostname . "/.well-known/host-meta";
dbglog("Fetching host-meta from " . $hostMetaUrl);
$xrd = new XrdLinkReader();
$hostLinks = $xrd->getLinksFromUrl($hostMetaUrl);
dbglog("Found " . sizeof($hostLinks) . " links in host-meta");
foreach ($hostLinks as $link) {
if ($link["REL"] == "http://oexchange.org/spec/0.8/rel/resident-target") {
dbglog("Found a link with our relation type...");
// This link represents an oexchange target
array_push($targetXrdUrls, $link["HREF"]);
}
}
return $targetXrdUrls;
}
<?php
require_once "XrdLinkReader.php";
$xrd = new XrdLinkReader();
echo "<h2>http://gmail.com/.well-known/host-meta</h2>";
printLinks($xrd->getLinksFromUrl("http://gmail.com/.well-known/host-meta"));
echo "<h2>http://www.oexchange.org/demo/linkeater/oexchange.xrd</h2>";
printLinks($xrd->getLinksFromUrl("http://www.oexchange.org/demo/linkeater/oexchange.xrd"));
echo "<h2>http://www.willmeyer.com/.well-known/host-meta</h2>";
printLinks($xrd->getLinksFromUrl("http://www.willmeyer.com/.well-known/host-meta"));
function printLinks($links)
{
foreach ($links as $link) {
echo " Link: <br/>";
foreach ($link as $name => $val) {
echo " " . $name . ": " . $val . "<br/>";
}
}
}
