101 lines
3.3 KiB
PHP
101 lines
3.3 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* WebFinger functions
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*
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* PHP version 5
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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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* @package GNUsocial
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* @author Mikael Nordfeldth
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* @copyright 2013 Free Software Foundation, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class WebFinger
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{
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const PROFILEPAGE = 'http://webfinger.net/rel/profile-page';
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/*
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* Reconstructs a WebFinger ID from data we know about the profile.
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*
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* @param Profile $profile The profile we want a WebFinger ID for
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*
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* @return string $acct acct:user@example.com URI
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*/
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public static function reconstruct(Profile $profile)
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{
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$acct = null;
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if (Event::handle('StartWebFingerReconstruction', array($profile, &$acct))) {
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// TODO: getUri may not always give us the correct host on remote users?
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$host = parse_url($profile->getUri(), PHP_URL_HOST);
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if (empty($profile->nickname) || empty($host)) {
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throw new WebFingerReconstructionException($profile);
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}
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$acct = sprintf('acct:%s@%s', $profile->nickname, $host);
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Event::handle('EndWebFingerReconstruction', array($profile, &$acct));
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}
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return $acct;
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}
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/*
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* Gets all URI aliases for a Profile
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*
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* @param Profile $profile The profile we want aliases for
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*
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* @return array $aliases All the Profile's alternative URLs
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*/
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public static function getAliases(Profile $profile)
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{
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$aliases = array();
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$aliases[] = $profile->getUri();
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try {
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$aliases[] = $profile->getUrl();
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} catch (InvalidUrlException $e) {
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common_debug('Profile id='.$profile->id.' has invalid profileurl: ' .
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var_export($profile->profileurl, true));
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}
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return $aliases;
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}
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/*
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* Gets all identities for a Profile, includes WebFinger acct: if
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* available, as well as alias URLs.
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*
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* @param Profile $profile The profile we want aliases for
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*
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* @return array $uris WebFinger acct: URI and alias URLs
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*/
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public static function getIdentities(Profile $profile)
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{
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$uris = array();
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try {
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$uris[] = self::reconstruct($profile);
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} catch (WebFingerReconstructionException $e) {
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common_debug('WebFinger reconstruction for Profile failed, ' .
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' (id='.$profile->id.')');
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}
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$uris = array_merge($uris, self::getAliases($profile));
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return $uris;
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}
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}
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