Subversion Repositories Applications.annuaire

Rev

Rev 42 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
42 aurelien 1 
<?php
2 
 
3 
require_once 'Services/Yadis/XRDS.php';
4 
require_once 'Services/Yadis/XRI.php';
5 
 
6 
class Services_Yadis_ProxyResolver {
7 
    function Services_Yadis_ProxyResolver(&$fetcher, $proxy_url = null)
8 
    {
9 
        $this->fetcher =& $fetcher;
10 
        $this->proxy_url = $proxy_url;
11 
        if (!$this->proxy_url) {
12 
            $this->proxy_url = Services_Yadis_getDefaultProxy();
13 
        }
14 
    }
15 
 
16 
    function queryURL($xri, $service_type = null)
17 
    {
18 
        // trim off the xri:// prefix
19 
        $qxri = substr(Services_Yadis_toURINormal($xri), 6);
20 
        $hxri = $this->proxy_url . $qxri;
21 
        $args = array(
22 
                      '_xrd_r' => 'application/xrds+xml'
23 
                      );
24 
 
25 
        if ($service_type) {
26 
            $args['_xrd_t'] = $service_type;
27 
        } else {
28 
            // Don't perform service endpoint selection.
29 
            $args['_xrd_r'] .= ';sep=false';
30 
        }
31 
 
32 
        $query = Services_Yadis_XRIAppendArgs($hxri, $args);
33 
        return $query;
34 
    }
35 
 
36 
    function query($xri, $service_types, $filters = array())
37 
    {
38 
        $services = array();
39 
        $canonicalID = null;
40 
        foreach ($service_types as $service_type) {
41 
            $url = $this->queryURL($xri, $service_type);
42 
            $response = $this->fetcher->get($url);
43 
            if ($response->status != 200) {
44 
                continue;
45 
            }
46 
            $xrds = Services_Yadis_XRDS::parseXRDS($response->body);
47 
            if (!$xrds) {
48 
                continue;
49 
            }
50 
            $canonicalID = Services_Yadis_getCanonicalID($xri,
51 
                                                         $xrds);
52 
 
53 
            if ($canonicalID === false) {
54 
                return null;
55 
            }
56 
 
57 
            $some_services = $xrds->services($filters);
58 
            $services = array_merge($services, $some_services);
59 
            // TODO:
60 
            //  * If we do get hits for multiple service_types, we're
61 
            //    almost certainly going to have duplicated service
62 
            //    entries and broken priority ordering.
63 
        }
64 
        return array($canonicalID, $services);
65 
    }
66 
}
67 
 
68 
?>