added webfinger support

boot.php

@@ -73,6 +73,10 @@ class App {
 		else {
 			$this->module = 'home';
 		}
+
+		if($this->cmd == '.well-known/host-meta')
+			require_once('include/hostxrd.php');
+
 		$this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 		$this->pager['itemspage'] = 50;
 		$this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];

include/hostxrd.php

@@ -0,0 +1,6 @@
+<?php
+
+	$tpl = file_get_contents('view/xrd_host.tpl');
+	echo str_replace('$domain',$this->hostname,$tpl);
+	session_write_close();
+	exit();

mod/xrd.php

@@ -0,0 +1,27 @@
+<?php
+
+
+function xrd_content(&$a) {
+
+	$uri = notags(trim($_GET['uri']));
+	$local = str_replace('acct:', '', $uri);
+	$name = substr($local,0,strpos($local,'@'));
+
+	$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' LIMIT 1",
+		dbesc($name)
+	);
+	if(! count($r))
+		killme();
+
+	$tpl = file_get_contents('view/xrd_person.tpl');
+
+	$o = replace_macros($tpl, array(
+		'$accturi' => $uri,
+		'$profile_url' => $a->get_baseurl() . '/profile/' . $r[0]['nickname'],
+		'$photo' => $a->get_baseurl() . '/photo/profile/' . $r[0]['uid']
+	));
+
+	echo $o;
+	killme();
+
+}

view/xrd_host.tpl

@@ -0,0 +1,11 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<XRD xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0'
+     xmlns:hm='http://host-meta.net/xrd/1.0'>
+ 
+    <hm:Host>$domain</hm:Host>
+ 
+    <Link rel='lrdd'
+          template='http://$domain/xrd/?uri={uri}'>
+        <Title>Resource Descriptor</Title>
+    </Link>
+</XRD>

view/xrd_person.tpl

@@ -0,0 +1,17 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<XRD xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0'>
+ 
+    <Subject>$accturi</Subject>
+    <Alias>$profile_url</Alias>
+ 
+    <Link rel='http://portablecontacts.net/spec/1.0'
+          href='http://example.com/api/people/' />
+    <Link rel='http://webfinger.net/rel/profile-page'
+          type='text/html'
+          href='$profile_url' />
+    <Link rel='http://microformats.org/profile/hcard'
+          type='text/html'
+          href='$profile_url' />
+    <Link rel='http://webfinger.net/rel/avatar'
+          href='$photo' />
+</XRD>