support lrdd priority
This commit is contained in:
Friendika
parent
24cb2eaf63
commit
c6b28ee5ed
171
boot.php
171
boot.php
|
|
@ -1381,12 +1381,12 @@ function webfinger($s) {
|
|||
$tpl = fetch_lrdd_template($host);
|
||||
logger('webfinger: lrdd template: ' . $tpl);
|
||||
if(strlen($tpl)) {
|
||||
$pxrd = str_replace('{uri}', urlencode('acct:'.$s), $tpl);
|
||||
$pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
|
||||
logger('webfinger: pxrd: ' . $pxrd);
|
||||
$links = fetch_xrd_links($pxrd);
|
||||
if(! count($links)) {
|
||||
// try with double slashes
|
||||
$pxrd = str_replace('{uri}', urlencode('acct://'.$s), $tpl);
|
||||
$pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
|
||||
logger('webfinger: pxrd: ' . $pxrd);
|
||||
$links = fetch_xrd_links($pxrd);
|
||||
}
|
||||
|
|
@ -1401,51 +1401,154 @@ function lrdd($uri) {
|
|||
|
||||
$a = get_app();
|
||||
|
||||
// default priority is host priority, host-meta first
|
||||
|
||||
$priority = 'host';
|
||||
|
||||
// All we have is an email address. Resource-priority is irrelevant
|
||||
// because our URI isn't directly resolvable.
|
||||
|
||||
if(strstr($uri,'@')) {
|
||||
return(webfinger($uri));
|
||||
}
|
||||
else {
|
||||
$html = fetch_url($uri);
|
||||
$headers = $a->get_curl_headers();
|
||||
logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
|
||||
|
||||
// get the host meta file
|
||||
|
||||
$host = parse_url($uri);
|
||||
|
||||
if($host) {
|
||||
$url = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
|
||||
$url .= $host['host'] . '/.well-known/host-meta' ;
|
||||
}
|
||||
else
|
||||
return array();
|
||||
|
||||
logger('lrdd: constructed url: ' . $url);
|
||||
|
||||
$xml = fetch_url($url);
|
||||
$headers = $a->get_curl_headers();
|
||||
|
||||
if (! $xml)
|
||||
return array();
|
||||
|
||||
logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
|
||||
$h = simplexml_load_string($xml);
|
||||
$arr = convert_xml_element_to_array($h);
|
||||
|
||||
if(isset($arr['xrd']['property'])) {
|
||||
$property = $arr['crd']['property'];
|
||||
if(! isset($property[0]))
|
||||
$properties = array($property);
|
||||
else
|
||||
$properties = $property;
|
||||
foreach($properties as $prop)
|
||||
if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
|
||||
$priority = 'resource';
|
||||
}
|
||||
|
||||
// save the links in case we need them
|
||||
|
||||
$links = array();
|
||||
|
||||
if(isset($arr['xrd']['link'])) {
|
||||
$link = $arr['xrd']['link'];
|
||||
if(! isset($link[0]))
|
||||
$links = array($link);
|
||||
else
|
||||
$links = $link;
|
||||
}
|
||||
|
||||
// do we have a template or href?
|
||||
|
||||
if(count($links)) {
|
||||
foreach($links as $link) {
|
||||
if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
|
||||
if(x($link['@attributes'],'template'))
|
||||
$tpl = $link['@attributes']['template'];
|
||||
elseif(x($link['@attributes'],'href'))
|
||||
$href = $link['@attributes']['href'];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
|
||||
$tpl = '';
|
||||
|
||||
if($priority === 'host') {
|
||||
if(strlen($tpl))
|
||||
$pxrd = str_replace('{uri}', urlencode($uri), $tpl);
|
||||
elseif(isset($href))
|
||||
$pxrd = $href;
|
||||
if(isset($pxrd)) {
|
||||
logger('lrdd: (host priority) pxrd: ' . $pxrd);
|
||||
$links = fetch_xrd_links($pxrd);
|
||||
return $links;
|
||||
}
|
||||
|
||||
$lines = explode("\n",$headers);
|
||||
if(count($lines)) {
|
||||
foreach($lines as $line) {
|
||||
// TODO alter the following regex to support multiple relations (space separated)
|
||||
if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
|
||||
$link = $matches[1];
|
||||
return(fetch_xrd_links($matches[1]));
|
||||
break;
|
||||
}
|
||||
// don't try and run feeds through the html5 parser
|
||||
if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
|
||||
return array();
|
||||
if(stristr($html,'<rss') || stristr($html,'<feed'))
|
||||
return array();
|
||||
}
|
||||
}
|
||||
if(! isset($link)) {
|
||||
// parse the page of the supplied URL looking for rel links
|
||||
|
||||
require_once('library/HTML5/Parser.php');
|
||||
$dom = HTML5_Parser::parse($html);
|
||||
|
||||
if($dom) {
|
||||
$items = $dom->getElementsByTagName('link');
|
||||
|
||||
foreach($items as $item) {
|
||||
$x = $item->getAttribute('rel');
|
||||
if($x == "lrdd") {
|
||||
$link = $item->getAttribute('href');
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(isset($link))
|
||||
return(fetch_xrd_links($link));
|
||||
}
|
||||
|
||||
|
||||
// priority 'resource'
|
||||
|
||||
|
||||
$html = fetch_url($uri);
|
||||
$headers = $a->get_curl_headers();
|
||||
logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
|
||||
|
||||
require_once('library/HTML5/Parser.php');
|
||||
$dom = @HTML5_Parser::parse($html);
|
||||
|
||||
if($dom) {
|
||||
$items = $dom->getElementsByTagName('link');
|
||||
foreach($items as $item) {
|
||||
$x = $item->getAttribute('rel');
|
||||
if($x == "lrdd") {
|
||||
$pagelink = $item->getAttribute('href');
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(isset($pagelink))
|
||||
return(fetch_xrd_links($pagelink));
|
||||
|
||||
// next look in HTTP headers
|
||||
|
||||
$lines = explode("\n",$headers);
|
||||
if(count($lines)) {
|
||||
foreach($lines as $line) {
|
||||
// TODO alter the following regex to support multiple relations (space separated)
|
||||
if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
|
||||
$pagelink = $matches[1];
|
||||
break;
|
||||
}
|
||||
// don't try and run feeds through the html5 parser
|
||||
if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
|
||||
return array();
|
||||
if(stristr($html,'<rss') || stristr($html,'<feed'))
|
||||
return array();
|
||||
}
|
||||
}
|
||||
|
||||
if(isset($pagelink))
|
||||
return(fetch_xrd_links($pagelink));
|
||||
|
||||
// If we haven't found any links, return the host xrd links (which we have already fetched)
|
||||
|
||||
if(isset($links))
|
||||
return $links;
|
||||
|
||||
return array();
|
||||
|
||||
}}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue