3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2010, StatusNet, Inc.
6 * Some utilities for generating hint data
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU Affero General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Affero General Public License for more details.
18 * You should have received a copy of the GNU Affero General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 class DiscoveryHints {
23 static function fromXRD(XML_XRD $xrd)
27 if (Event::handle('StartDiscoveryHintsFromXRD', array($xrd, &$hints))) {
28 foreach ($xrd->links as $link) {
30 case WebFingerResource_Profile::PROFILEPAGE:
31 $hints['profileurl'] = $link->href;
33 case Salmon::REL_SALMON:
34 case Salmon::NS_MENTIONS: // XXX: deprecated, remove in the future
35 case Salmon::NS_REPLIES: // XXX: deprecated, remove in the future
36 $hints['salmon'] = $link->href;
38 case Discovery::UPDATESFROM:
39 if (empty($link->type) || $link->type == 'application/atom+xml') {
40 $hints['feedurl'] = $link->href;
43 case Discovery::HCARD:
44 case Discovery::MF2_HCARD:
45 $hints['hcard'] = $link->href;
51 Event::handle('EndDiscoveryHintsFromXRD', array($xrd, &$hints));
57 static function fromHcardUrl($url)
59 $client = new HTTPClient();
60 $client->setHeader('Accept', 'text/html,application/xhtml+xml');
62 $response = $client->get($url);
64 if (!$response->isOk()) {
67 } catch (HTTP_Request2_Exception $e) {
68 // Any HTTPClient error that might've been thrown
72 return self::hcardHints($response->getBody(),
73 $response->getEffectiveUrl());
76 static function hcardHints($body, $url)
78 $hcard = self::_hcard($body, $url);
86 // XXX: don't copy stuff into an array and then copy it again
88 if (array_key_exists('nickname', $hcard) && !empty($hcard['nickname'][0])) {
89 $hints['nickname'] = $hcard['nickname'][0];
92 if (array_key_exists('name', $hcard) && !empty($hcard['name'][0])) {
93 $hints['fullname'] = $hcard['name'][0];
96 if (array_key_exists('photo', $hcard) && count($hcard['photo'])) {
97 $hints['avatar'] = $hcard['photo'][0];
100 if (array_key_exists('note', $hcard) && !empty($hcard['note'][0])) {
101 $hints['bio'] = $hcard['note'][0];
104 if (array_key_exists('adr', $hcard) && !empty($hcard['adr'][0])) {
105 $hints['location'] = $hcard['adr'][0]['value'];
108 if (array_key_exists('url', $hcard) && !empty($hcard['url'][0])) {
109 $hints['homepage'] = $hcard['url'][0];
115 static function _hcard($body, $url)
117 $mf2 = new Mf2\Parser($body, $url);
118 $mf2 = $mf2->parse();
120 if (empty($mf2['items'])) {
126 foreach ($mf2['items'] as $item) {
127 if (!in_array('h-card', $item['type'])) {
131 // We found a match, return it immediately
132 if (isset($item['properties']['url']) && in_array($url, $item['properties']['url'])) {
133 return $item['properties'];
136 // Let's keep all the hcards for later, to return one of them at least
137 $hcards[] = $item['properties'];
140 // No match immediately for the url we expected, but there were h-cards found
141 if (count($hcards) > 0) {