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webfinger client

This commit is contained in:
Mike Macgirvin 2010-08-30 21:08:45 -07:00
parent e71672a409
commit 2c1a27b2ae
2 changed files with 98 additions and 5 deletions
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101
boot.php
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@ -2,7 +2,7 @@
set_time_limit(0);
define ( 'BUILD_ID' , 1000 );
define ( 'BUILD_ID' , 1001 );
define ( 'EOL', "<br />\r\n");
@ -22,7 +22,7 @@ define ( 'NOTIFY_COMMENT', 0x0008 );
define ( 'NOTIFY_MAIL', 0x0010 );
define ( 'NAMESPACE_DFRN' , 'http://purl.org/macgirvin/dfrn/1.0' );
define ( 'NAMESPACE_ACTIVITY', 'http://activitystrea.ms/schema/1.0/' );
if(! class_exists('App')) {
class App {
@ -189,7 +189,7 @@ function check_config(&$a) {
// Run any existing update scripts to bring the database up to current.
require_once('update.php');
for($x = $stored; $x <= $current; $x ++) {
for($x = $stored; $x < $current; $x ++) {
if(function_exists('update_' . $x)) {
$func = 'update_' . $x;
$func($a);
@ -577,9 +577,9 @@ function load_config($family) {
}}
if(! function_exists('get_config')) {
function get_config($family, $key, $instore = false) {
global $a;
if(! $instore) {
if(isset($a->config[$family][$key]))
@ -621,3 +621,96 @@ function set_config($family,$key,$value) {
return $value;
return $ret;
}}
if(! function_exists('convert_xml_element_to_array')) {
function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
// If we're getting too deep, bail out
if ($recursion_depth > 512) {
return(null);
}
if (!is_string($xml_element) &&
!is_array($xml_element) &&
(get_class($xml_element) == 'SimpleXMLElement')) {
$xml_element_copy = $xml_element;
$xml_element = get_object_vars($xml_element);
}
if (is_array($xml_element)) {
$result_array = array();
if (count($xml_element) <= 0) {
return (trim(strval($xml_element_copy)));
}
foreach($xml_element as $key=>$value) {
$recursion_depth++;
$result_array[strtolower($key)] =
convert_xml_element_to_array($value, $recursion_depth);
$recursion_depth--;
}
if ($recursion_depth == 0) {
$temp_array = $result_array;
$result_array = array(
strtolower($xml_element_copy->getName()) => $temp_array,
);
}
return ($result_array);
} else {
return (trim(strval($xml_element)));
}
}}
if(! function_exists('webfinger')) {
function webfinger($s) {
if(! strstr($s,'@'))
return $s;
$host = substr($s,strpos($s,'@') + 1);
$url = 'http://' . $host . '/.well-known/host-meta' ;
$xml = fetch_url($url);
if (! $xml)
return '';
$h = simplexml_load_string($xml);
$arr = convert_xml_element_to_array($h);
if(! isset($arr['xrd']['link']))
return '';
$link = $arr['xrd']['link'];
if(! isset($link[0]))
$links = array($link);
else
$links = $link;
foreach($links as $link)
if($link['@attributes']['rel'] && $link['@attributes']['rel'] == 'lrdd')
$tpl = $link['@attributes']['template'];
if((empty($tpl)) || (! strpos($tpl, '{uri}')))
return '';
$pxrd = str_replace('{uri}', urlencode('acct://'.$s), $tpl);
$xml = fetch_url($pxrd);
if (! $xml)
return '';
$h = simplexml_load_string($xml);
$arr = convert_xml_element_to_array($h);
if(! isset($arr['xrd']['link']))
return '';
$link = $arr['xrd']['link'];
if(! isset($link[0]))
$links = array($link);
else
$links = $link;
foreach($links as $link)
if($link['@attributes']['rel'] == NAMESPACE_DFRN)
return $link['@attributes']['href'];
return '';
}}