eaad9423dd
Now the code is following most of PSR Various changes from various branches (some testing will be required) Fixed various issues
158 lines
4.8 KiB
PHP
158 lines
4.8 KiB
PHP
<?php
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/**
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* GNU social - a federating social network
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*
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* Some utilities for generating hint data
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*
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* LICENCE: 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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* @category Plugin
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* @package GNUsocial
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* @author GNUsocial
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* @copyright 2010 Free Software Foundation http://fsf.org
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link https://www.gnu.org/software/social/
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*/
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if (!defined('GNUSOCIAL')) {
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exit(1);
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}
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class DiscoveryHints
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{
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public static function fromXRD(XML_XRD $xrd)
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{
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$hints = array();
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if (Event::handle('StartDiscoveryHintsFromXRD', array($xrd, &$hints))) {
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foreach ($xrd->links as $link) {
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switch ($link->rel) {
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case WebFingerResource_Profile::PROFILEPAGE:
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$hints['profileurl'] = $link->href;
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break;
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$hints['salmon'] = $link->href;
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break;
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case Discovery::UPDATESFROM:
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if (empty($link->type) || $link->type == 'application/atom+xml') {
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$hints['feedurl'] = $link->href;
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}
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break;
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case Discovery::HCARD:
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case Discovery::MF2_HCARD:
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$hints['hcard'] = $link->href;
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break;
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default:
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break;
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}
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}
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Event::handle('EndDiscoveryHintsFromXRD', array($xrd, &$hints));
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}
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return $hints;
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}
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public static function fromHcardUrl($url)
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{
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$client = new HTTPClient();
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$client->setHeader('Accept', 'text/html,application/xhtml+xml');
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try {
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$response = $client->get($url);
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if (!$response->isOk()) {
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return null;
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}
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} catch (HTTP_Request2_Exception $e) {
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// Any HTTPClient error that might've been thrown
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common_log(LOG_ERR, __METHOD__ . ':'.$e->getMessage());
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return null;
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}
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return self::hcardHints(
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$response->getBody(),
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$response->getEffectiveUrl()
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);
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}
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public static function hcardHints($body, $url)
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{
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$hcard = self::_hcard($body, $url);
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if (empty($hcard)) {
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return array();
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}
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$hints = array();
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// XXX: don't copy stuff into an array and then copy it again
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if (array_key_exists('nickname', $hcard) && !empty($hcard['nickname'][0])) {
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$hints['nickname'] = $hcard['nickname'][0];
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}
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if (array_key_exists('name', $hcard) && !empty($hcard['name'][0])) {
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$hints['fullname'] = $hcard['name'][0];
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}
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if (array_key_exists('photo', $hcard) && count($hcard['photo'])) {
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$hints['avatar'] = $hcard['photo'][0];
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}
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if (array_key_exists('note', $hcard) && !empty($hcard['note'][0])) {
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$hints['bio'] = $hcard['note'][0];
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}
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if (array_key_exists('adr', $hcard) && !empty($hcard['adr'][0])) {
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$hints['location'] = $hcard['adr'][0]['value'];
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}
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if (array_key_exists('url', $hcard) && !empty($hcard['url'][0])) {
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$hints['homepage'] = $hcard['url'][0];
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}
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return $hints;
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}
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public static function _hcard($body, $url)
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{
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$mf2 = new Mf2\Parser($body, $url);
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$mf2 = $mf2->parse();
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if (empty($mf2['items'])) {
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return null;
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}
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$hcards = array();
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foreach ($mf2['items'] as $item) {
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if (!in_array('h-card', $item['type'])) {
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continue;
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}
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// We found a match, return it immediately
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if (isset($item['properties']['url']) && in_array($url, $item['properties']['url'])) {
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return $item['properties'];
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}
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// Let's keep all the hcards for later, to return one of them at least
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$hcards[] = $item['properties'];
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}
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// No match immediately for the url we expected, but there were h-cards found
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if (count($hcards) > 0) {
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return $hcards[0];
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}
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return null;
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}
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}
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