forked from GNUsocial/gnu-social
187 lines
5.5 KiB
PHP
187 lines
5.5 KiB
PHP
<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('LACONICA')) { exit(1); }
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define('LISTENER', 1);
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define('LISTENEE', -1);
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define('BOTH', 0);
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class FoafAction extends Action {
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function handle($args) {
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parent::handle($args);
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$nickname = $this->trimmed('nickname');
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$user = User::staticGet('nickname', $nickname);
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if (!$user) {
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common_user_error(_t('No such user'), 404);
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return;
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}
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$profile = $user->getProfile();
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if (!$profile) {
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common_server_error(_t('User has no profile'), 500);
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return;
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}
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header('Content-Type: application/rdf+xml');
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common_start_xml();
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common_element_start('rdf:RDF', array('xmlns:rdf' =>
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'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
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'xmlns:rdfs' =>
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'http://www.w3.org/2000/01/rdf-schema#',
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'xmlns' => 'http://xmlns.com/foaf/0.1/'));
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# This is the document about the user
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$this->show_ppd('', $user->uri);
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# XXX: might not be a person
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common_element_start('Person', array('rdf:about' =>
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$user->uri));
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common_element('mbox_sha1sum', NULL, sha1('mailto:' . $user->email));
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if ($profile->fullname) {
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common_element('name', NULL, $profile->fullname);
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}
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if ($profile->homepage) {
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common_element('homepage', array('rdf:resource' => $profile->homepage));
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}
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if ($profile->bio) {
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common_element('rdfs:comment', NULL, $profile->bio);
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}
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# XXX: more structured location data
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if ($profile->location) {
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common_element_start('based_near');
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common_element_start('geo:SpatialThing');
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common_element('name', NULL, $profile->location);
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common_element_end('geo:SpatialThing');
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common_element_end('based_near');
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}
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$this->show_microblogging_account($profile, common_root_url());
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$avatar = $profile->getOriginalAvatar();
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if ($avatar) {
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common_element_start('img');
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common_element_start('Image', array('rdf:about' => $avatar->url));
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foreach (array(AVATAR_PROFILE_SIZE, AVATAR_STREAM_SIZE, AVATAR_MINI_SIZE) as $size) {
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$scaled = $profile->getAvatar($size);
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if (!$scaled->original) { # sometimes the original has one of our scaled sizes
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common_element_start('thumbnail');
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common_element('Image', array('rdf:about', $scaled->url));
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common_element_end('thumbnail');
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}
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}
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common_element_end('Image');
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common_element_end('img');
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}
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# Get people user is subscribed to
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$person = array();
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$sub = new Subscription();
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$sub->subscriber = $profile->id;
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if ($sub->find()) {
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while ($sub->fetch()) {
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if ($sub->token) {
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$other = Remote_profile::staticGet($sub->subscribed);
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} else {
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$other = User::staticGet($sub->subscribed);
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}
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common_element('knows', array('rdf:about', $other->uri));
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$person[$other->uri] = array(LISTENEE, $other);
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}
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}
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# Get people who subscribe to user
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$sub = new Subscription();
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$sub->subscribed = $profile->id;
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if ($sub->find()) {
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while ($sub->fetch()) {
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if ($sub->token) {
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$other = Remote_profile::staticGet($sub->subscribed);
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} else {
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$other = User::staticGet($sub->subscribed);
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}
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if (array_key_exists($other->uri, $person)) {
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$person[$other->uri][0] = BOTH;
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} else {
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$person[$other->uri] = array(LISTENER, $other);
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}
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}
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}
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common_element_end('Person');
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foreach ($person as $uri => $p) {
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$foaf_url = NULL;
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if ($p[1] instanceof User) {
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$foaf_url = common_local_url('foaf', array('nickname' => $p[1]->nickname));
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}
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$profile = Profile::staticGet($p[1]->id);
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common_element_start('Person', array('rdf:about' => $uri));
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if ($p[0] == LISTENER || $p[0] == BOTH) {
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common_element('knows', array('rdf:about', $user->uri));
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}
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$this->show_microblogging_account($profile, ($p[1] instanceof User) ?
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common_root_url() : NULL);
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if ($foaf_url) {
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common_element('rdfs:seeAlso', array('rdf:resource' => $foaf_url));
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}
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common_element_end('Person');
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if ($foaf_url) {
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$this->show_ppd($foaf_url, $uri);
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}
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}
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common_element_end('rdf:RDF');
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}
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function show_ppd($foaf_url, $person_uri) {
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common_element_start('PersonalProfileDocument', array('rdf:about' => $foaf_url));
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common_element('maker', array('rdf:resource' => $person_uri));
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common_element('primaryTopic', array('rdf:resource' => $person_uri));
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common_element_end('PersonalProfileDocument');
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}
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function show_microblogging_account($profile, $service=NULL) {
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# Their account
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common_element_start('holdsAccount');
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common_element_start('OnlineAccount');
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if ($service) {
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common_element('accountServiceHomepage', array('rdf:resource' =>
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$service));
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}
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common_element('accountName', NULL, $profile->nickname);
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common_element('homepage', array('rdf:resource' => $profile->profileurl));
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common_element_end('OnlineAccount');
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common_element_end('holdsAccount');
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}
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}
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