* Just spit out the contents and exit.
*/
- if($this->cmd === '.well-known/host-meta')
+ if($this->cmd === '.well-known/host-meta') {
require_once('include/hostxrd.php');
-
+ hostxrd($this->hostname);
+ // NOTREACHED
+ }
/**
* See if there is any page number information, and initialise
if(! function_exists('system_unavailable')) {
function system_unavailable() {
include('system_unavailable.php');
+ system_down();
killme();
}}
$tpl = fetch_lrdd_template($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);
}
$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 = $dom->getElementsByTagName('link');
+ // priority 'resource'
- foreach($items as $item) {
- $x = $item->getAttribute('rel');
- if($x == "lrdd") {
- $link = $item->getAttribute('href');
- break;
- }
- }
+
+ $html = fetch_url($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($pagelink));
+
+ // next look in HTTP headers
- if(isset($link))
- return(fetch_xrd_links($link));
+ $lines = explode("\n",$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 $links;
+
return array();
+
}}
if(! function_exists('linkify')) {
function linkify($s) {
- $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
+ $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%
\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
return($s);
}}
projects / friendica.git / blobdiff