friendica/src/Protocol/OStatus.php

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<?php
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/**
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* @copyright Copyright (C) 2010-2023, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
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*/
namespace Friendica\Protocol;
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use DOMDocument;
use DOMElement;
use DOMXPath;
use Friendica\App;
use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\HTML;
use Friendica\Core\Cache\Enum\Duration;
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use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Database\DBA;
use Friendica\DI;
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use Friendica\Model\APContact;
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use Friendica\Model\Contact;
use Friendica\Model\Conversation;
use Friendica\Model\Item;
use Friendica\Model\ItemURI;
use Friendica\Model\Post;
use Friendica\Model\Tag;
use Friendica\Model\User;
use Friendica\Network\HTTPClient\Client\HttpClientAccept;
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use Friendica\Network\Probe;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Images;
use Friendica\Util\Proxy;
use Friendica\Util\Strings;
use Friendica\Util\XML;
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/**
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* This class contain functions for the OStatus protocol
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*/
class OStatus
{
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private static $itemlist;
private static $conv_list = [];
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/**
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* Fetches author data
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*
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* @param DOMXPath $xpath The xpath object
* @param object $context The xml context of the author details
* @param array $importer user record of the importing user
* @param array $contact Called by reference, will contain the fetched contact
* @param bool $onlyfetch Only fetch the header without updating the contact entries
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*
* @return array Array of author related entries for the item
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
private static function fetchAuthor(DOMXPath $xpath, $context, array $importer, array &$contact = null, bool $onlyfetch): array
{
$author = [];
$author['author-link'] = XML::getFirstNodeValue($xpath, 'atom:author/atom:uri/text()', $context);
$author['author-name'] = XML::getFirstNodeValue($xpath, 'atom:author/atom:name/text()', $context);
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$addr = XML::getFirstNodeValue($xpath, 'atom:author/atom:email/text()', $context);
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$aliaslink = $author['author-link'];
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$alternate_item = $xpath->query("atom:author/atom:link[@rel='alternate']", $context)->item(0);
if (is_object($alternate_item)) {
foreach ($alternate_item->attributes as $attributes) {
if (($attributes->name == 'href') && ($attributes->textContent != '')) {
$author['author-link'] = $attributes->textContent;
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}
}
}
$author['author-id'] = Contact::getIdForURL($author['author-link']);
$author['contact-id'] = ($contact['id'] ?? 0) ?: $author['author-id'];
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$contact = [];
/*
This here would be better, but we would get problems with contacts from the statusnet addon
This is kept here as a reminder for the future
$cid = Contact::getIdForURL($author['author-link'], $importer['uid']);
if ($cid) {
$contact = DBA::selectFirst('contact', [], ['id' => $cid]);
}
*/
if ($aliaslink != '') {
$contact = DBA::selectFirst('contact', [], [
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"`uid` = ? AND `alias` = ? AND `rel` IN (?, ?)",
$importer['uid'],
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$aliaslink,
Contact::SHARING, Contact::FRIEND,
]);
}
if (!DBA::isResult($contact) && $author['author-link'] != '') {
if ($aliaslink == '') {
$aliaslink = $author['author-link'];
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}
$contact = DBA::selectFirst('contact', [], [
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"`uid` = ? AND `nurl` IN (?, ?) AND `rel` IN (?, ?)",
$importer['uid'],
Strings::normaliseLink($author['author-link']),
Strings::normaliseLink($aliaslink),
Contact::SHARING,
Contact::FRIEND,
]);
}
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if (!DBA::isResult($contact) && ($addr != '')) {
$contact = DBA::selectFirst('contact', [], [
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"`uid` = ? AND `addr` = ? AND `rel` IN (?, ?)",
$importer['uid'],
$addr,
Contact::SHARING,
Contact::FRIEND,
]);
}
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if (DBA::isResult($contact)) {
if ($contact['blocked']) {
$contact['id'] = -1;
} elseif (!empty(APContact::getByURL($contact['url'], false))) {
ActivityPub\Receiver::switchContact($contact['id'], $importer['uid'], $contact['url']);
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}
$author['contact-id'] = $contact['id'];
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}
$avatarlist = [];
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$avatars = $xpath->query("atom:author/atom:link[@rel='avatar']", $context);
foreach ($avatars as $avatar) {
$href = '';
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$width = 0;
foreach ($avatar->attributes as $attributes) {
if ($attributes->name == 'href') {
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$href = $attributes->textContent;
}
if ($attributes->name == 'width') {
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$width = $attributes->textContent;
}
}
if ($href != '') {
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$avatarlist[$width] = $href;
}
}
if (count($avatarlist) > 0) {
krsort($avatarlist);
$author['author-avatar'] = Probe::fixAvatar(current($avatarlist), $author['author-link']);
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}
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$displayname = XML::getFirstNodeValue($xpath, 'atom:author/poco:displayName/text()', $context);
if ($displayname != '') {
$author['author-name'] = $displayname;
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}
$author['owner-id'] = $author['author-id'];
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// Only update the contacts if it is an OStatus contact
if (DBA::isResult($contact) && ($contact['id'] > 0) && !$onlyfetch && ($contact['network'] == Protocol::OSTATUS)) {
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// Update contact data
$current = $contact;
unset($current['name-date']);
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// This query doesn't seem to work
// $value = $xpath->query("atom:link[@rel='salmon']", $context)->item(0)->nodeValue;
// if ($value != "")
// $contact["notify"] = $value;
// This query doesn't seem to work as well - I hate these queries
// $value = $xpath->query("atom:link[@rel='self' and @type='application/atom+xml']", $context)->item(0)->nodeValue;
// if ($value != "")
// $contact["poll"] = $value;
$contact['url'] = $author['author-link'];
$contact['nurl'] = Strings::normaliseLink($contact['url']);
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$value = XML::getFirstNodeValue($xpath, 'atom:author/atom:uri/text()', $context);
if ($value != '') {
$contact['alias'] = $value;
}
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$value = XML::getFirstNodeValue($xpath, 'atom:author/poco:displayName/text()', $context);
if ($value != '') {
$contact['name'] = $value;
}
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$value = XML::getFirstNodeValue($xpath, 'atom:author/poco:preferredUsername/text()', $context);
if ($value != '') {
$contact['nick'] = $value;
}
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$value = XML::getFirstNodeValue($xpath, 'atom:author/poco:note/text()', $context);
if ($value != '') {
$contact['about'] = HTML::toBBCode($value);
}
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$value = XML::getFirstNodeValue($xpath, 'atom:author/poco:address/poco:formatted/text()', $context);
if ($value != '') {
$contact['location'] = $value;
}
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$contact['name-date'] = DateTimeFormat::utcNow();
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Contact::update($contact, ['id' => $contact['id']], $current);
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if (!empty($author['author-avatar']) && ($author['author-avatar'] != $current['avatar'])) {
Logger::info('Update profile picture for contact ' . $contact['id']);
Contact::updateAvatar($contact['id'], $author['author-avatar']);
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}
// Ensure that we are having this contact (with uid=0)
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$cid = Contact::getIdForURL($aliaslink);
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if ($cid) {
$fields = ['url', 'nurl', 'name', 'nick', 'alias', 'about', 'location'];
$old_contact = DBA::selectFirst('contact', $fields, ['id' => $cid]);
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// Update it with the current values
$fields = [
'url' => $author['author-link'],
'name' => $contact['name'],
'nurl' => Strings::normaliseLink($author['author-link']),
'nick' => $contact['nick'],
'alias' => $contact['alias'],
'about' => $contact['about'],
'location' => $contact['location'],
'success_update' => DateTimeFormat::utcNow(),
'last-update' => DateTimeFormat::utcNow(),
];
Contact::update($fields, ['id' => $cid], $old_contact);
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// Update the avatar
if (!empty($author['author-avatar'])) {
Contact::updateAvatar($cid, $author['author-avatar']);
}
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}
} elseif (empty($contact['network']) || ($contact['network'] != Protocol::DFRN)) {
$contact = [];
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}
return $author;
}
/**
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* Fetches author data from a given XML string
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*
* @param string $xml The XML
* @param array $importer user record of the importing user
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*
* @return array Array of author related entries for the item
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
public static function salmonAuthor(string $xml, array $importer): array
{
if (empty($xml)) {
return [];
}
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$doc = new DOMDocument();
@$doc->loadXML($xml);
$xpath = new DOMXPath($doc);
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$xpath->registerNamespace('atom', ActivityNamespace::ATOM1);
$xpath->registerNamespace('thr', ActivityNamespace::THREAD);
$xpath->registerNamespace('georss', ActivityNamespace::GEORSS);
$xpath->registerNamespace('activity', ActivityNamespace::ACTIVITY);
$xpath->registerNamespace('media', ActivityNamespace::MEDIA);
$xpath->registerNamespace('poco', ActivityNamespace::POCO);
$xpath->registerNamespace('ostatus', ActivityNamespace::OSTATUS);
$xpath->registerNamespace('statusnet', ActivityNamespace::STATUSNET);
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$contact = ['id' => 0];
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// Fetch the first author
$authordata = $xpath->query('//author')->item(0);
$author = self::fetchAuthor($xpath, $authordata, $importer, $contact, true);
return $author;
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}
/**
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* Read attributes from element
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*
* @param object $element Element object
* @return array attributes
*/
private static function readAttributes($element): array
{
$attribute = [];
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foreach ($element->attributes as $attributes) {
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$attribute[$attributes->name] = $attributes->textContent;
}
return $attribute;
}
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/**
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* Imports an XML string containing OStatus elements
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*
* @param string $xml The XML
* @param array $importer user record of the importing user
* @param array $contact contact
* @param string $hub Called by reference, returns the fetched hub data
* @return void
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
public static function import($xml, array $importer, array &$contact, &$hub)
{
self::process($xml, $importer, $contact, $hub, false, true, Conversation::PUSH);
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}
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/**
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* Internal feed processing
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*
* @param string $xml The XML
* @param array $importer user record of the importing user
* @param array $contact contact
* @param string $hub Called by reference, returns the fetched hub data
* @param boolean $stored Is the post fresh imported or from the database?
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* @param boolean $initialize Is it the leading post so that data has to be initialized?
* @param integer $direction Direction, default UNKNOWN(0)
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* @return boolean Could the XML be processed?
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
private static function process(string $xml, array $importer, array &$contact = null, string &$hub, bool $stored = false, bool $initialize = true, int $direction = Conversation::UNKNOWN)
{
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if ($initialize) {
self::$itemlist = [];
self::$conv_list = [];
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}
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Logger::info('Import OStatus message for user ' . $importer['uid']);
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if (empty($xml)) {
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return false;
}
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$doc = new DOMDocument();
@$doc->loadXML($xml);
$xpath = new DOMXPath($doc);
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$xpath->registerNamespace('atom', ActivityNamespace::ATOM1);
$xpath->registerNamespace('thr', ActivityNamespace::THREAD);
$xpath->registerNamespace('georss', ActivityNamespace::GEORSS);
$xpath->registerNamespace('activity', ActivityNamespace::ACTIVITY);
$xpath->registerNamespace('media', ActivityNamespace::MEDIA);
$xpath->registerNamespace('poco', ActivityNamespace::POCO);
$xpath->registerNamespace('ostatus', ActivityNamespace::OSTATUS);
$xpath->registerNamespace('statusnet', ActivityNamespace::STATUSNET);
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$hub = '';
$hub_items = $xpath->query("/atom:feed/atom:link[@rel='hub']")->item(0);
if (is_object($hub_items)) {
$hub_attributes = $hub_items->attributes;
if (is_object($hub_attributes)) {
foreach ($hub_attributes as $hub_attribute) {
if ($hub_attribute->name == 'href') {
$hub = $hub_attribute->textContent;
Logger::info('Found hub ', ['hub' => $hub]);
}
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}
}
}
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// Initial header elements
$header = [
'uid' => $importer['uid'],
'network' => Protocol::OSTATUS,
'wall' => 0,
'origin' => 0,
'gravity' => Item::GRAVITY_COMMENT,
];
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if (!is_object($doc->firstChild) || empty($doc->firstChild->tagName)) {
return false;
}
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$first_child = $doc->firstChild->tagName;
if ($first_child == 'feed') {
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$entries = $xpath->query('/atom:feed/atom:entry');
} else {
$entries = $xpath->query('/atom:entry');
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}
if ($entries->length == 1) {
// We reformat the XML to make it better readable
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$doc2 = new DOMDocument();
$doc2->loadXML($xml);
$doc2->preserveWhiteSpace = false;
$doc2->formatOutput = true;
$xml2 = $doc2->saveXML();
$header['protocol'] = Conversation::PARCEL_SALMON;
$header['source'] = $xml2;
$header['direction'] = $direction;
} elseif (!$initialize) {
return false;
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}
// Fetch the first author
$authordata = $xpath->query('//author')->item(0);
$author = self::fetchAuthor($xpath, $authordata, $importer, $contact, $stored);
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// Reverse the order of the entries
$entrylist = [];
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foreach ($entries as $entry) {
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$entrylist[] = $entry;
}
foreach (array_reverse($entrylist) as $entry) {
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// fetch the author
$authorelement = $xpath->query('/atom:entry/atom:author', $entry);
if ($authorelement->length == 0) {
$authorelement = $xpath->query('atom:author', $entry);
}
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if ($authorelement->length > 0) {
$author = self::fetchAuthor($xpath, $entry, $importer, $contact, $stored);
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}
$item = array_merge($header, $author);
$item['uri'] = XML::getFirstNodeValue($xpath, 'atom:id/text()', $entry);
$item['uri-id'] = ItemURI::insert(['uri' => $item['uri']]);
$item['verb'] = XML::getFirstNodeValue($xpath, 'activity:verb/text()', $entry);
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// Delete a message
if (in_array($item['verb'], ['qvitter-delete-notice', Activity::DELETE, 'delete'])) {
self::deleteNotice($item);
continue;
}
if (in_array($item['verb'], [Activity::O_UNFAVOURITE, Activity::UNFAVORITE])) {
// Ignore "Unfavorite" message
Logger::info('Ignore unfavorite message ', ['item' => $item]);
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continue;
}
// Deletions come with the same uri, so we check for duplicates after processing deletions
if (Post::exists(['uid' => $importer['uid'], 'uri' => $item['uri']])) {
Logger::info('Post with URI ' . $item['uri'] . ' already existed for user ' . $importer['uid'] . '.');
continue;
} else {
Logger::info('Processing post with URI ' . $item['uri'] . ' for user ' . $importer['uid'] . '.');
}
if ($item['verb'] == Activity::JOIN) {
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// ignore "Join" messages
Logger::info('Ignore join message ', ['item' => $item]);
continue;
}
if ($item['verb'] == 'http://mastodon.social/schema/1.0/block') {
// ignore mastodon "block" messages
Logger::info('Ignore block message ', ['item' => $item]);
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continue;
}
if ($item['verb'] == Activity::FOLLOW) {
Contact::addRelationship($importer, $contact, $item);
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continue;
}
if ($item['verb'] == Activity::O_UNFOLLOW) {
$dummy = null;
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Contact::removeFollower($contact);
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continue;
}
if ($item['verb'] == Activity::FAVORITE) {
$orig_uri = $xpath->query('activity:object/atom:id', $entry)->item(0)->nodeValue;
Logger::notice('Favorite', ['uri' => $orig_uri, 'item' => $item]);
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$item['body'] = $item['verb'] = Activity::LIKE;
$item['thr-parent'] = $orig_uri;
$item['gravity'] = Item::GRAVITY_ACTIVITY;
$item['object-type'] = Activity\ObjectType::NOTE;
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}
// http://activitystrea.ms/schema/1.0/rsvp-yes
if (!in_array($item['verb'], [Activity::POST, Activity::LIKE, Activity::SHARE])) {
Logger::info('Unhandled verb', ['verb' => $item['verb'], 'item' => $item]);
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}
self::processPost($xpath, $entry, $item, $importer);
if ($initialize && (count(self::$itemlist) > 0)) {
if (self::$itemlist[0]['uri'] == self::$itemlist[0]['thr-parent']) {
$uid = self::$itemlist[0]['uid'];
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// We will import it everytime, when it is started by our contacts
$valid = Contact::isSharingByURL(self::$itemlist[0]['author-link'], $uid);
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if (!$valid) {
// If not, then it depends on this setting
$valid = !$uid || DI::pConfig()->get($uid, 'system', 'accept_only_sharer') != Item::COMPLETION_NONE;
if ($valid) {
Logger::info('Item with URI ' . self::$itemlist[0]['uri'] . ' will be imported due to the system settings.');
}
} else {
Logger::info('Item with URI ' . self::$itemlist[0]['uri'] . ' belongs to a contact (' . self::$itemlist[0]['contact-id'] . '). It will be imported.');
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}
if ($valid && DI::pConfig()->get($uid, 'system', 'accept_only_sharer') != Item::COMPLETION_LIKE) {
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// Never post a thread when the only interaction by our contact was a like
$valid = false;
$verbs = [Activity::POST, Activity::SHARE];
foreach (self::$itemlist as $item) {
if (in_array($item['verb'], $verbs) && Contact::isSharingByURL($item['author-link'], $item['uid'])) {
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$valid = true;
}
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}
if ($valid) {
Logger::info('Item with URI ' . self::$itemlist[0]['uri'] . ' will be imported since the thread contains posts or shares.');
}
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}
} else {
$valid = true;
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}
if ($valid) {
$default_contact = 0;
for ($key = count(self::$itemlist) - 1; $key >= 0; $key--) {
if (empty(self::$itemlist[$key]['contact-id'])) {
self::$itemlist[$key]['contact-id'] = $default_contact;
} else {
$default_contact = $item['contact-id'];
}
}
foreach (self::$itemlist as $item) {
$found = Post::exists(['uid' => $importer['uid'], 'uri' => $item['uri']]);
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if ($found) {
Logger::notice('Item with URI ' . $item['uri'] . ' for user ' . $importer['uid'] . ' already exists.');
} elseif ($item['contact-id'] < 0) {
Logger::notice('Item with URI ' . $item['uri'] . ' is from a blocked contact.');
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} else {
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$ret = Item::insert($item);
Logger::info('Item with URI ' . $item['uri'] . ' for user ' . $importer['uid'] . ' stored. Return value: ' . $ret);
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}
}
}
self::$itemlist = [];
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}
Logger::info('Processing done for post with URI ' . $item['uri'] . ' for user '.$importer['uid'] . '.');
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}
return true;
}
/**
* Removes notice item from database
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*
* @param array $item item
* @return void
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* @throws \Exception
*/
private static function deleteNotice(array $item)
{
$condition = ['uid' => $item['uid'], 'author-id' => $item['author-id'], 'uri' => $item['uri']];
if (!Post::exists($condition)) {
Logger::notice('Item from ' . $item['author-link'] . ' with uri ' . $item['uri'] . ' for user ' . $item['uid'] . " wasn't found. We don't delete it.");
return;
}
Item::markForDeletion($condition);
Logger::notice('Deleted item with URI ' . $item['uri'] . ' for user ' . $item['uid']);
}
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/**
2020-01-19 06:05:23 +00:00
* Processes the XML for a post
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*
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* @param DOMXPath $xpath The xpath object
* @param object $entry The xml entry that is processed
* @param array $item The item array
* @param array $importer user record of the importing user
* @return void
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
private static function processPost(DOMXPath $xpath, $entry, array &$item, array $importer)
{
$item['body'] = HTML::toBBCode(XML::getFirstNodeValue($xpath, 'atom:content/text()', $entry));
$item['object-type'] = XML::getFirstNodeValue($xpath, 'activity:object-type/text()', $entry);
if (($item['object-type'] == Activity\ObjectType::BOOKMARK) || ($item['object-type'] == Activity\ObjectType::EVENT)) {
$item['title'] = XML::getFirstNodeValue($xpath, 'atom:title/text()', $entry);
$item['body'] = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $entry);
} elseif ($item['object-type'] == Activity\ObjectType::QUESTION) {
$item['title'] = XML::getFirstNodeValue($xpath, 'atom:title/text()', $entry);
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}
$item['created'] = XML::getFirstNodeValue($xpath, 'atom:published/text()', $entry);
$item['edited'] = XML::getFirstNodeValue($xpath, 'atom:updated/text()', $entry);
$item['conversation'] = XML::getFirstNodeValue($xpath, 'ostatus:conversation/text()', $entry);
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$conv = $xpath->query('ostatus:conversation', $entry);
if (is_object($conv->item(0))) {
foreach ($conv->item(0)->attributes as $attributes) {
if ($attributes->name == 'ref') {
$item['conversation'] = $attributes->textContent;
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}
if ($attributes->name == 'href') {
$item['conversation'] = $attributes->textContent;
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}
}
}
$related = '';
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$inreplyto = $xpath->query('thr:in-reply-to', $entry);
if (is_object($inreplyto->item(0))) {
foreach ($inreplyto->item(0)->attributes as $attributes) {
if ($attributes->name == 'ref') {
$item['thr-parent'] = $attributes->textContent;
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}
if ($attributes->name == 'href') {
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$related = $attributes->textContent;
}
}
}
$georsspoint = $xpath->query('georss:point', $entry);
if (!empty($georsspoint) && ($georsspoint->length > 0)) {
$item['coord'] = $georsspoint->item(0)->nodeValue;
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}
$categories = $xpath->query('atom:category', $entry);
if ($categories) {
foreach ($categories as $category) {
foreach ($category->attributes as $attributes) {
if ($attributes->name == 'term') {
// Store the hashtag
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Tag::store($item['uri-id'], Tag::HASHTAG, $attributes->textContent);
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}
}
}
}
$self = '';
$add_body = '';
$links = $xpath->query('atom:link', $entry);
if ($links) {
$link_data = self::processLinks($links, $item);
$self = $link_data['self'];
$add_body = $link_data['add_body'];
}
$repeat_of = '';
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$notice_info = $xpath->query('statusnet:notice_info', $entry);
if ($notice_info && ($notice_info->length > 0)) {
foreach ($notice_info->item(0)->attributes as $attributes) {
if ($attributes->name == 'source') {
$item['app'] = strip_tags($attributes->textContent);
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}
if ($attributes->name == 'repeat_of') {
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$repeat_of = $attributes->textContent;
}
}
}
// Is it a repeated post?
if (($repeat_of != '') || ($item['verb'] == Activity::SHARE)) {
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$link_data = self::processRepeatedItem($xpath, $entry, $item, $importer);
if (!empty($link_data['add_body'])) {
$add_body .= $link_data['add_body'];
}
}
$item['body'] .= $add_body;
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Tag::storeFromBody($item['uri-id'], $item['body']);
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// Mastodon Content Warning
if (($item['verb'] == Activity::POST) && $xpath->evaluate('boolean(atom:summary)', $entry)) {
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$clear_text = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $entry);
if (!empty($clear_text)) {
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$item['content-warning'] = HTML::toBBCode($clear_text);
}
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}
if (isset($item['thr-parent'])) {
if (!Post::exists(['uid' => $importer['uid'], 'uri' => $item['thr-parent']])) {
if ($related != '') {
self::fetchRelated($related, $item['thr-parent'], $importer);
}
} else {
Logger::info('Reply with URI ' . $item['uri'] . ' already existed for user ' . $importer['uid'] . '.');
}
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} else {
$item['thr-parent'] = $item['uri'];
$item['gravity'] = Item::GRAVITY_PARENT;
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}
self::$itemlist[] = $item;
}
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/**
2020-01-19 06:05:23 +00:00
* Fetch related posts and processes them
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*
* @param string $related The link to the related item
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* @param string $related_uri The related item in "uri" format
* @param array $importer user record of the importing user
* @return void
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
private static function fetchRelated(string $related, string $related_uri, array $importer)
{
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$stored = false;
$curlResult = DI::httpClient()->get($related, HttpClientAccept::ATOM_XML);
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if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
2017-09-10 07:21:23 +00:00
return;
}
$xml = '';
if ($curlResult->inHeader('Content-Type') &&
in_array('application/atom+xml', $curlResult->getHeader('Content-Type'))) {
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Logger::info('Directly fetched XML for URI ' . $related_uri);
$xml = $curlResult->getBody();
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}
if ($xml == '') {
$doc = new DOMDocument();
if (!@$doc->loadHTML($curlResult->getBody())) {
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return;
}
$xpath = new DOMXPath($doc);
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$atom_file = '';
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$links = $xpath->query('//link');
if ($links) {
foreach ($links as $link) {
$attribute = self::readAttributes($link);
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if (($attribute['rel'] == 'alternate') && ($attribute['type'] == 'application/atom+xml')) {
2017-09-10 08:27:24 +00:00
$atom_file = $attribute['href'];
}
}
if ($atom_file != '') {
$curlResult = DI::httpClient()->get($atom_file, HttpClientAccept::ATOM_XML);
2017-09-10 07:21:23 +00:00
if ($curlResult->isSuccess()) {
2021-10-20 18:53:52 +00:00
Logger::info('Fetched XML for URI ' . $related_uri);
$xml = $curlResult->getBody();
2017-09-10 07:21:23 +00:00
}
}
}
}
// Workaround for older GNU Social servers
if (($xml == '') && strstr($related, '/notice/')) {
$curlResult = DI::httpClient()->get(str_replace('/notice/', '/api/statuses/show/', $related) . '.atom', HttpClientAccept::ATOM_XML);
2017-09-10 08:27:24 +00:00
if ($curlResult->isSuccess()) {
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Logger::info('GNU Social workaround to fetch XML for URI ' . $related_uri);
$xml = $curlResult->getBody();
2017-09-10 08:27:24 +00:00
}
}
// Even more worse workaround for GNU Social ;-)
if ($xml == '') {
2020-05-12 20:13:48 +00:00
$related_guess = self::convertHref($related_uri);
$curlResult = DI::httpClient()->get(str_replace('/notice/', '/api/statuses/show/', $related_guess) . '.atom', HttpClientAccept::ATOM_XML);
2017-09-10 07:21:23 +00:00
if ($curlResult->isSuccess()) {
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Logger::info('GNU Social workaround 2 to fetch XML for URI ' . $related_uri);
$xml = $curlResult->getBody();
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}
}
if ($xml != '') {
2022-07-28 19:35:25 +00:00
$hub = '';
self::process($xml, $importer, $contact, $hub, $stored, false, Conversation::PULL);
2017-09-10 08:27:24 +00:00
} else {
Logger::info('XML could not be fetched for URI: ' . $related_uri . ' - href: ' . $related);
2017-09-10 07:21:23 +00:00
}
return;
}
2017-09-10 07:52:07 +00:00
/**
2020-01-19 06:05:23 +00:00
* Processes the XML for a repeated post
2017-09-10 07:52:07 +00:00
*
2019-01-06 21:06:53 +00:00
* @param DOMXPath $xpath The xpath object
* @param object $entry The xml entry that is processed
* @param array $item The item array
* @param array $importer user record of the importing user
2017-09-10 07:52:07 +00:00
*
* @return array with data from links
2019-01-06 21:06:53 +00:00
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
2017-09-10 07:52:07 +00:00
*/
private static function processRepeatedItem(DOMXPath $xpath, $entry, array &$item, array $importer): array
{
$activityobject = $xpath->query('activity:object', $entry)->item(0);
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if (!is_object($activityobject)) {
return [];
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}
$link_data = [];
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$orig_uri = XML::getFirstNodeValue($xpath, 'atom:id/text()', $activityobject);
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$links = $xpath->query('atom:link', $activityobject);
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if ($links) {
$link_data = self::processLinks($links, $item);
}
$orig_body = XML::getFirstNodeValue($xpath, 'atom:content/text()', $activityobject);
$orig_created = XML::getFirstNodeValue($xpath, 'atom:published/text()', $activityobject);
$orig_edited = XML::getFirstNodeValue($xpath, 'atom:updated/text()', $activityobject);
2017-09-10 07:21:23 +00:00
$orig_author = self::fetchAuthor($xpath, $activityobject, $importer, $dummy, false);
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$item['author-name'] = $orig_author['author-name'];
$item['author-link'] = $orig_author['author-link'];
$item['author-id'] = $orig_author['author-id'];
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$item['body'] = HTML::toBBCode($orig_body);
$item['created'] = $orig_created;
$item['edited'] = $orig_edited;
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$item['uri'] = $orig_uri;
2017-09-10 07:21:23 +00:00
$item['verb'] = XML::getFirstNodeValue($xpath, 'activity:verb/text()', $activityobject);
2017-09-10 07:21:23 +00:00
$item['object-type'] = XML::getFirstNodeValue($xpath, 'activity:object-type/text()', $activityobject);
2017-09-10 07:21:23 +00:00
// Mastodon Content Warning
if (($item['verb'] == Activity::POST) && $xpath->evaluate('boolean(atom:summary)', $activityobject)) {
$clear_text = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $activityobject);
if (!empty($clear_text)) {
$item['content-warning'] = HTML::toBBCode($clear_text);
}
}
$inreplyto = $xpath->query('thr:in-reply-to', $activityobject);
2017-09-10 07:21:23 +00:00
if (is_object($inreplyto->item(0))) {
foreach ($inreplyto->item(0)->attributes as $attributes) {
if ($attributes->name == 'ref') {
$item['thr-parent'] = $attributes->textContent;
2017-09-10 07:21:23 +00:00
}
}
}
return $link_data;
}
2017-09-10 07:52:07 +00:00
/**
2020-01-19 06:05:23 +00:00
* Processes links in the XML
2017-09-10 07:52:07 +00:00
*
* @param object $links The xml data that contain links
* @param array $item The item array
2017-09-10 07:52:07 +00:00
* @return array with data from the links
*/
private static function processLinks($links, array &$item): array
{
$link_data = ['add_body' => '', 'self' => ''];
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foreach ($links as $link) {
$attribute = self::readAttributes($link);
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if (!empty($attribute['rel']) && !empty($attribute['href'])) {
2017-09-10 07:21:23 +00:00
switch ($attribute['rel']) {
case 'alternate':
$item['plink'] = $attribute['href'];
if (($item['object-type'] == Activity\ObjectType::QUESTION)
|| ($item['object-type'] == Activity\ObjectType::EVENT)
) {
2021-04-26 06:50:12 +00:00
Post\Media::insert(['uri-id' => $item['uri-id'], 'type' => Post\Media::UNKNOWN,
'url' => $attribute['href'], 'mimetype' => $attribute['type'] ?? null,
'size' => $attribute['length'] ?? null, 'description' => $attribute['title'] ?? null]);
2017-09-10 07:21:23 +00:00
}
break;
case 'ostatus:conversation':
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$link_data['conversation'] = $attribute['href'];
$item['conversation'] = $link_data['conversation'];
2017-09-10 07:21:23 +00:00
break;
case 'enclosure':
$filetype = strtolower(substr($attribute['type'], 0, strpos($attribute['type'], '/')));
2017-09-10 07:21:23 +00:00
if ($filetype == 'image') {
$link_data['add_body'] .= "\n[img]".$attribute['href'].'[/img]';
} else {
2020-11-07 08:22:59 +00:00
Post\Media::insert(['uri-id' => $item['uri-id'], 'type' => Post\Media::DOCUMENT,
'url' => $attribute['href'], 'mimetype' => $attribute['type'],
'size' => $attribute['length'] ?? null, 'description' => $attribute['title'] ?? null]);
2017-09-10 07:21:23 +00:00
}
break;
case 'related':
if ($item['object-type'] != Activity\ObjectType::BOOKMARK) {
if (!isset($item['thr-parent'])) {
$item['thr-parent'] = $attribute['href'];
2017-09-10 07:21:23 +00:00
}
$link_data['related'] = $attribute['href'];
} else {
2021-04-26 06:50:12 +00:00
Post\Media::insert(['uri-id' => $item['uri-id'], 'type' => Post\Media::UNKNOWN,
'url' => $attribute['href'], 'mimetype' => $attribute['type'] ?? null,
'size' => $attribute['length'] ?? null, 'description' => $attribute['title'] ?? null]);
2017-09-10 07:21:23 +00:00
}
break;
case 'self':
if (empty($item['plink'])) {
$item['plink'] = $attribute['href'];
2017-09-10 07:21:23 +00:00
}
$link_data['self'] = $attribute['href'];
break;
default:
2022-08-31 05:01:22 +00:00
Logger::notice('Unsupported rel=' . $attribute['rel'] . ', href=' . $attribute['href'] . ', object-type=' . $item['object-type']);
2017-09-10 07:21:23 +00:00
}
}
}
return $link_data;
}
/**
2020-01-19 06:05:23 +00:00
* Create an url out of an uri
2017-09-10 07:58:14 +00:00
*
* @param string $href URI in the format "parameter1:parameter1:..."
* @return string URL in the format http(s)://....
*/
private static function convertHref(string $href): string
{
$elements = explode(':', $href);
2017-09-10 07:58:14 +00:00
if ((count($elements) <= 2) || ($elements[0] != 'tag')) {
2017-09-10 07:58:14 +00:00
return $href;
}
2017-09-10 07:58:14 +00:00
$server = explode(',', $elements[1]);
$conversation = explode('=', $elements[2]);
2017-09-10 07:58:14 +00:00
if ((count($elements) == 4) && ($elements[2] == 'post')) {
return 'http://' . $server[0] . '/notice/' . $elements[3];
}
2017-09-10 07:58:14 +00:00
if ((count($conversation) != 2) || ($conversation[1] == '')) {
2017-09-10 07:58:14 +00:00
return $href;
}
if ($elements[3] == 'objectType=thread') {
return 'http://' . $server[0] . '/conversation/' . $conversation[1];
2017-09-10 07:58:14 +00:00
} else {
return 'http://' . $server[0] . '/notice/' . $conversation[1];
2017-09-10 07:58:14 +00:00
}
}
2016-03-30 22:14:51 +00:00
/**
2020-01-19 06:05:23 +00:00
* Adds the header elements to the XML document
2016-03-30 22:14:51 +00:00
*
2019-01-06 21:06:53 +00:00
* @param DOMDocument $doc XML document
* @param array $owner Contact data of the poster
* @param string $filter The related feed filter (activity, posts or comments)
2016-03-30 22:14:51 +00:00
*
* @return DOMElement Header root element
2019-01-06 21:06:53 +00:00
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
2016-03-30 22:14:51 +00:00
*/
private static function addHeader(DOMDocument $doc, array $owner, string $filter): DOMElement
{
2019-10-24 22:32:35 +00:00
$root = $doc->createElementNS(ActivityNamespace::ATOM1, 'feed');
$doc->appendChild($root);
$root->setAttribute('xmlns:thr', ActivityNamespace::THREAD);
$root->setAttribute('xmlns:georss', ActivityNamespace::GEORSS);
$root->setAttribute('xmlns:activity', ActivityNamespace::ACTIVITY);
$root->setAttribute('xmlns:media', ActivityNamespace::MEDIA);
$root->setAttribute('xmlns:poco', ActivityNamespace::POCO);
$root->setAttribute('xmlns:ostatus', ActivityNamespace::OSTATUS);
$root->setAttribute('xmlns:statusnet', ActivityNamespace::STATUSNET);
$root->setAttribute('xmlns:mastodon', ActivityNamespace::MASTODON);
$title = '';
$selfUri = '/feed/' . $owner['nick'] . '/';
switch ($filter) {
case 'activity':
$title = DI::l10n()->t('%s\'s timeline', $owner['name']);
$selfUri .= $filter;
break;
case 'posts':
$title = DI::l10n()->t('%s\'s posts', $owner['name']);
break;
case 'comments':
$title = DI::l10n()->t('%s\'s comments', $owner['name']);
$selfUri .= $filter;
break;
}
$selfUri = '/dfrn_poll/' . $owner['nick'];
$attributes = [
'uri' => 'https://friendi.ca',
'version' => App::VERSION . '-' . DB_UPDATE_VERSION,
];
XML::addElement($doc, $root, 'generator', App::PLATFORM, $attributes);
XML::addElement($doc, $root, 'id', DI::baseUrl() . '/profile/' . $owner['nick']);
XML::addElement($doc, $root, 'title', $title);
XML::addElement($doc, $root, 'subtitle', sprintf("Updates from %s on %s", $owner['name'], DI::config()->get('config', 'sitename')));
XML::addElement($doc, $root, 'logo', User::getAvatarUrl($owner, Proxy::SIZE_SMALL));
XML::addElement($doc, $root, 'updated', DateTimeFormat::utcNow(DateTimeFormat::ATOM));
$author = self::addAuthor($doc, $owner, true);
$root->appendChild($author);
$attributes = [
'href' => $owner['url'],
'rel' => 'alternate',
'type' => 'text/html',
];
XML::addElement($doc, $root, 'link', '', $attributes);
/// @TODO We have to find out what this is
2019-12-30 22:45:42 +00:00
/// $attributes = array("href" => DI::baseUrl()."/sup",
/// "rel" => "http://api.friendfeed.com/2008/03#sup",
/// "type" => "application/json");
/// XML::addElement($doc, $root, "link", "", $attributes);
self::addHubLink($doc, $root, $owner['nick']);
$attributes = ['href' => DI::baseUrl() . '/salmon/' . $owner['nick'], 'rel' => 'salmon'];
XML::addElement($doc, $root, 'link', '', $attributes);
$attributes = ['href' => DI::baseUrl() . '/salmon/' . $owner['nick'], 'rel' => 'http://salmon-protocol.org/ns/salmon-replies'];
XML::addElement($doc, $root, 'link', '', $attributes);
$attributes = ['href' => DI::baseUrl() . '/salmon/' . $owner['nick'], 'rel' => 'http://salmon-protocol.org/ns/salmon-mention'];
XML::addElement($doc, $root, 'link', '', $attributes);
$attributes = ['href' => DI::baseUrl() . $selfUri, 'rel' => 'self', 'type' => 'application/atom+xml'];
XML::addElement($doc, $root, 'link', '', $attributes);
if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
$members = DBA::count('contact', [
'uid' => $owner['uid'],
'self' => false,
'pending' => false,
'archive' => false,
'hidden' => false,
'blocked' => false,
]);
XML::addElement($doc, $root, 'statusnet:group_info', '', ['member_count' => $members]);
}
return $root;
}
2016-03-30 22:14:51 +00:00
/**
2020-01-19 06:05:23 +00:00
* Add the link to the push hubs to the XML document
2016-03-30 22:14:51 +00:00
*
2019-01-06 21:06:53 +00:00
* @param DOMDocument $doc XML document
* @param DOMElement $root XML root element where the hub links are added
* @param string $nick Nickname
* @return void
2019-01-06 21:06:53 +00:00
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
2016-03-30 22:14:51 +00:00
*/
public static function addHubLink(DOMDocument $doc, DOMElement $root, string $nick)
{
$h = DI::baseUrl() . '/pubsubhubbub/' . $nick;
XML::addElement($doc, $root, 'link', '', ['href' => $h, 'rel' => 'hub']);
}
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/**
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* Adds attachment data to the XML document
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*
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* @param DOMDocument $doc XML document
* @param DOMElement $root XML root element where the hub links are added
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* @param array $item Data of the item that is to be posted
* @return void
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
public static function getAttachment(DOMDocument $doc, DOMElement $root, array $item)
{
foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::AUDIO, Post\Media::IMAGE, Post\Media::VIDEO, Post\Media::DOCUMENT, Post\Media::TORRENT]) as $attachment) {
$attributes = ['rel' => 'enclosure',
'href' => $attachment['url'],
'type' => $attachment['mimetype']];
if (!empty($attachment['size'])) {
$attributes['length'] = intval($attachment['size']);
}
if (!empty($attachment['description'])) {
$attributes['title'] = $attachment['description'];
}
XML::addElement($doc, $root, 'link', '', $attributes);
}
}
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/**
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* Adds the author element to the XML document
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*
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* @param DOMDocument $doc XML document
* @param array $owner Contact data of the poster
* @param bool $show_profile Whether to show profile
* @return DOMElement Author element
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
private static function addAuthor(DOMDocument $doc, array $owner, bool $show_profile = true): DOMElement
{
$profile = DBA::selectFirst('profile', ['homepage', 'publish'], ['uid' => $owner['uid']]);
$author = $doc->createElement('author');
XML::addElement($doc, $author, 'id', $owner['url']);
if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
XML::addElement($doc, $author, 'activity:object-type', Activity\ObjectType::GROUP);
} else {
XML::addElement($doc, $author, 'activity:object-type', Activity\ObjectType::PERSON);
}
XML::addElement($doc, $author, 'uri', $owner['url']);
XML::addElement($doc, $author, 'name', $owner['nick']);
XML::addElement($doc, $author, 'email', $owner['addr']);
if ($show_profile) {
XML::addElement($doc, $author, 'summary', BBCode::convertForUriId($owner['uri-id'], $owner['about'], BBCode::OSTATUS));
}
$attributes = [
'rel' => 'alternate',
'type' => 'text/html',
'href' => $owner['url'],
];
XML::addElement($doc, $author, 'link', '', $attributes);
$attributes = [
'rel' => 'avatar',
'type' => 'image/jpeg', // To-Do?
'media:width' => Proxy::PIXEL_SMALL,
'media:height' => Proxy::PIXEL_SMALL,
'href' => User::getAvatarUrl($owner, Proxy::SIZE_SMALL),
];
XML::addElement($doc, $author, 'link', '', $attributes);
if (isset($owner['thumb'])) {
$attributes = [
'rel' => 'avatar',
'type' => 'image/jpeg', // To-Do?
'media:width' => Proxy::PIXEL_THUMB,
'media:height' => Proxy::PIXEL_THUMB,
'href' => User::getAvatarUrl($owner, Proxy::SIZE_THUMB),
];
XML::addElement($doc, $author, 'link', '', $attributes);
}
XML::addElement($doc, $author, 'poco:preferredUsername', $owner['nick']);
XML::addElement($doc, $author, 'poco:displayName', $owner['name']);
if ($show_profile) {
XML::addElement($doc, $author, 'poco:note', BBCode::convertForUriId($owner['uri-id'], $owner['about'], BBCode::OSTATUS));
if (trim($owner['location']) != '') {
$element = $doc->createElement('poco:address');
XML::addElement($doc, $element, 'poco:formatted', $owner['location']);
$author->appendChild($element);
}
}
if (DBA::isResult($profile) && !$show_profile) {
if (trim($profile['homepage']) != '') {
$urls = $doc->createElement('poco:urls');
XML::addElement($doc, $urls, 'poco:type', 'homepage');
XML::addElement($doc, $urls, 'poco:value', $profile['homepage']);
XML::addElement($doc, $urls, 'poco:primary', 'true');
$author->appendChild($urls);
}
XML::addElement($doc, $author, 'followers', '', ['url' => DI::baseUrl() . '/profile/' . $owner['nick'] . '/contacts/followers']);
XML::addElement($doc, $author, 'statusnet:profile_info', '', ['local_id' => $owner['uid']]);
if ($profile['publish']) {
XML::addElement($doc, $author, 'mastodon:scope', 'public');
}
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}
return $author;
}
/**
* @TODO Picture attachments should look like this:
* <a href="https://status.pirati.ca/attachment/572819" title="https://status.pirati.ca/file/heluecht-20151202T222602-rd3u49p.gif"
* class="attachment thumbnail" id="attachment-572819" rel="nofollow external">https://status.pirati.ca/attachment/572819</a>
*/
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/**
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* Returns the given activity if present - otherwise returns the "post" activity
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*
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* @param array $item Data of the item that is to be posted
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* @return string activity
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*/
public static function constructVerb(array $item): string
{
if (!empty($item['verb'])) {
return $item['verb'];
}
return Activity::POST;
}
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/**
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* Returns the given object type if present - otherwise returns the "note" object type
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*
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* @param array $item Data of the item that is to be posted
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* @return string Object type
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*/
private static function constructObjecttype(array $item): string
{
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if (!empty($item['object-type']) && in_array($item['object-type'], [Activity\ObjectType::NOTE, Activity\ObjectType::COMMENT])) {
return $item['object-type'];
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}
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return Activity\ObjectType::NOTE;
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}
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/**
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* Adds an entry element to the XML document
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*
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* @param DOMDocument $doc XML document
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param bool $toplevel optional default false
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*
* @return DOMElement Entry element
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
private static function entry(DOMDocument $doc, array $item, array $owner, bool $toplevel = false): DOMElement
{
if ($item['verb'] == Activity::LIKE) {
return self::likeEntry($doc, $item, $owner, $toplevel);
} elseif (in_array($item['verb'], [Activity::FOLLOW, Activity::O_UNFOLLOW])) {
return self::followEntry($doc, $item, $owner, $toplevel);
} else {
return self::noteEntry($doc, $item, $owner, $toplevel);
}
}
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/**
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* Adds an entry element with a "like"
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*
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* @param DOMDocument $doc XML document
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
* @return DOMElement Entry element with "like"
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
private static function likeEntry(DOMDocument $doc, array $item, array $owner, bool $toplevel): DOMElement
{
if (($item['gravity'] != Item::GRAVITY_PARENT) && (Strings::normaliseLink($item['author-link']) != Strings::normaliseLink($owner['url']))) {
Logger::info('OStatus entry is from author ' . $owner['url'] . ' - not from ' . $item['author-link'] . '. Quitting.');
}
$entry = self::entryHeader($doc, $owner, $item, $toplevel);
$verb = ActivityNamespace::ACTIVITY_SCHEMA . 'favorite';
self::entryContent($doc, $entry, $item, $owner, 'Favorite', $verb, false);
$parent = Post::selectFirst([], ['uri' => $item['thr-parent'], 'uid' => $item['uid']]);
if (DBA::isResult($parent)) {
$as_object = $doc->createElement('activity:object');
XML::addElement($doc, $as_object, 'activity:object-type', self::constructObjecttype($parent));
self::entryContent($doc, $as_object, $parent, $owner, 'New entry');
$entry->appendChild($as_object);
}
self::entryFooter($doc, $entry, $item, $owner);
return $entry;
}
/**
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* Adds the person object element to the XML document
*
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* @param DOMDocument $doc XML document
* @param array $owner Contact data of the poster
* @param array $contact Contact data of the target
* @return DOMElement author element
*/
private static function addPersonObject(DOMDocument $doc, array $owner, array $contact): DOMElement
{
$object = $doc->createElement('activity:object');
XML::addElement($doc, $object, 'activity:object-type', Activity\ObjectType::PERSON);
if ($contact['network'] == Protocol::PHANTOM) {
XML::addElement($doc, $object, 'id', $contact['url']);
return $object;
}
XML::addElement($doc, $object, 'id', $contact['alias']);
XML::addElement($doc, $object, 'title', $contact['nick']);
XML::addElement($doc, $object, 'link', '', [
'rel' => 'alternate',
'type' => 'text/html',
'href' => $contact['url'],
]);
$attributes = [
'rel' => 'avatar',
'type' => 'image/jpeg', // To-Do?
'media:width' => 300,
'media:height' => 300,
'href' => $contact['photo'],
];
XML::addElement($doc, $object, 'link', '', $attributes);
XML::addElement($doc, $object, 'poco:preferredUsername', $contact['nick']);
XML::addElement($doc, $object, 'poco:displayName', $contact['name']);
if (trim($contact['location']) != '') {
$element = $doc->createElement('poco:address');
XML::addElement($doc, $element, 'poco:formatted', $contact['location']);
$object->appendChild($element);
}
return $object;
}
/**
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* Adds a follow/unfollow entry element
*
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* @param DOMDocument $doc XML document
* @param array $item Data of the follow/unfollow message
* @param array $owner Contact data of the poster
* @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
* @return DOMElement Entry element
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
private static function followEntry(DOMDocument $doc, array $item, array $owner, bool $toplevel): DOMElement
{
$item['id'] = $item['parent'] = 0;
$item['created'] = $item['edited'] = date('c');
$item['private'] = Item::PRIVATE;
$contact = Contact::getByURL($item['follow']);
$item['follow'] = $contact['url'];
if ($contact['alias']) {
$item['follow'] = $contact['alias'];
} else {
$contact['alias'] = $contact['url'];
}
$condition = ['uid' => $owner['uid'], 'nurl' => Strings::normaliseLink($contact['url'])];
$user_contact = DBA::selectFirst('contact', ['id'], $condition);
if (DBA::isResult($user_contact)) {
$connect_id = $user_contact['id'];
} else {
$connect_id = 0;
}
if ($item['verb'] == Activity::FOLLOW) {
$message = DI::l10n()->t('%s is now following %s.');
$title = DI::l10n()->t('following');
$action = 'subscription';
} else {
$message = DI::l10n()->t('%s stopped following %s.');
$title = DI::l10n()->t('stopped following');
$action = 'unfollow';
}
$item['uri'] = $item['parent-uri'] = $item['thr-parent']
= 'tag:' . DI::baseUrl()->getHost() .
','.date('Y-m-d').':'.$action.':'.$owner['uid'].
':person:'.$connect_id.':'.$item['created'];
$item['body'] = sprintf($message, $owner['nick'], $contact['nick']);
$entry = self::entryHeader($doc, $owner, $item, $toplevel);
self::entryContent($doc, $entry, $item, $owner, $title);
$object = self::addPersonObject($doc, $owner, $contact);
$entry->appendChild($object);
self::entryFooter($doc, $entry, $item, $owner);
return $entry;
}
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/**
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* Adds a regular entry element
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*
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* @param DOMDocument $doc XML document
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
* @return DOMElement Entry element
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
private static function noteEntry(DOMDocument $doc, array $item, array $owner, bool $toplevel): DOMElement
{
if (($item['gravity'] != Item::GRAVITY_PARENT) && (Strings::normaliseLink($item['author-link']) != Strings::normaliseLink($owner['url']))) {
Logger::info('OStatus entry is from author ' . $owner['url'] . ' - not from ' . $item['author-link'] . '. Quitting.');
}
if (!$toplevel) {
if (!empty($item['title'])) {
$title = BBCode::convertForUriId($item['uri-id'], $item['title'], BBCode::OSTATUS);
} else {
$title = sprintf('New note by %s', $owner['nick']);
}
} else {
$title = sprintf('New comment by %s', $owner['nick']);
}
$entry = self::entryHeader($doc, $owner, $item, $toplevel);
XML::addElement($doc, $entry, 'activity:object-type', Activity\ObjectType::NOTE);
self::entryContent($doc, $entry, $item, $owner, $title, '', true);
self::entryFooter($doc, $entry, $item, $owner, true);
return $entry;
}
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/**
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* Adds a header element to the XML document
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*
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* @param DOMDocument $doc XML document
* @param array $owner Contact data of the poster
* @param array $item
* @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
* @return DOMElement The entry element where the elements are added
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
public static function entryHeader(DOMDocument $doc, array $owner, array $item, bool $toplevel): DOMElement
{
if (!$toplevel) {
$entry = $doc->createElement('entry');
if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
$contact = Contact::getByURL($item['author-link']) ?: $owner;
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$contact['nickname'] = $contact['nickname'] ?? $contact['nick'];
$author = self::addAuthor($doc, $contact, false);
$entry->appendChild($author);
}
} else {
$entry = $doc->createElementNS(ActivityNamespace::ATOM1, 'entry');
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$entry->setAttribute('xmlns:thr', ActivityNamespace::THREAD);
$entry->setAttribute('xmlns:georss', ActivityNamespace::GEORSS);
$entry->setAttribute('xmlns:activity', ActivityNamespace::ACTIVITY);
$entry->setAttribute('xmlns:media', ActivityNamespace::MEDIA);
$entry->setAttribute('xmlns:poco', ActivityNamespace::POCO);
$entry->setAttribute('xmlns:ostatus', ActivityNamespace::OSTATUS);
$entry->setAttribute('xmlns:statusnet', ActivityNamespace::STATUSNET);
$entry->setAttribute('xmlns:mastodon', ActivityNamespace::MASTODON);
$author = self::addAuthor($doc, $owner);
$entry->appendChild($author);
}
return $entry;
}
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/**
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* Adds elements to the XML document
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*
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* @param DOMDocument $doc XML document
* @param DOMElement $entry Entry element where the content is added
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* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param string $title Title for the post
* @param string $verb The activity verb
* @param bool $complete Add the "status_net" element?
* @return void
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
private static function entryContent(DOMDocument $doc, DOMElement $entry, array $item, array $owner, string $title, string $verb = '', bool $complete = true)
{
if ($verb == '') {
$verb = self::constructVerb($item);
}
XML::addElement($doc, $entry, 'id', $item['uri']);
XML::addElement($doc, $entry, 'title', html_entity_decode($title, ENT_QUOTES, 'UTF-8'));
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$body = Post\Media::addAttachmentsToBody($item['uri-id'], DI::contentItem()->addSharedPost($item));
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$body = Post\Media::addHTMLLinkToBody($item['uri-id'], $body);
if (!empty($item['title'])) {
$body = '[b]' . $item['title'] . "[/b]\n\n" . $body;
}
$body = BBCode::convertForUriId($item['uri-id'], $body, BBCode::OSTATUS);
XML::addElement($doc, $entry, 'content', $body, ['type' => 'html']);
XML::addElement($doc, $entry, 'link', '', [
'rel' => 'alternate',
'type' => 'text/html',
'href' => DI::baseUrl() . '/display/' . $item['guid'],
]);
if ($complete && ($item['id'] > 0)) {
XML::addElement($doc, $entry, 'status_net', '', ['notice_id' => $item['id']]);
}
XML::addElement($doc, $entry, 'activity:verb', $verb);
XML::addElement($doc, $entry, 'published', DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM));
XML::addElement($doc, $entry, 'updated', DateTimeFormat::utc($item['edited'] . '+00:00', DateTimeFormat::ATOM));
}
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/**
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* Adds the elements at the foot of an entry to the XML document
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*
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* @param DOMDocument $doc XML document
* @param object $entry The entry element where the elements are added
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param bool $complete default true
* @return void
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
private static function entryFooter(DOMDocument $doc, $entry, array $item, array $owner, bool $complete = true)
{
$mentioned = [];
if ($item['gravity'] != Item::GRAVITY_PARENT) {
$parent = Post::selectFirst(['guid', 'author-link', 'owner-link'], ['id' => $item['parent']]);
$thrparent = Post::selectFirst(['guid', 'author-link', 'owner-link', 'plink'], ['uid' => $owner['uid'], 'uri' => $item['thr-parent']]);
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if (DBA::isResult($thrparent)) {
$mentioned[$thrparent['author-link']] = $thrparent['author-link'];
$mentioned[$thrparent['owner-link']] = $thrparent['owner-link'];
$parent_plink = $thrparent['plink'];
} elseif (DBA::isResult($parent)) {
$mentioned[$parent['author-link']] = $parent['author-link'];
$mentioned[$parent['owner-link']] = $parent['owner-link'];
$parent_plink = DI::baseUrl() . '/display/' . $parent['guid'];
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} else {
DI::logger()->notice('Missing parent and thr-parent for child item', ['item' => $item]);
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}
if (isset($parent_plink)) {
$attributes = [
'ref' => $item['thr-parent'],
'href' => $parent_plink];
XML::addElement($doc, $entry, 'thr:in-reply-to', '', $attributes);
$attributes = [
'rel' => 'related',
'href' => $parent_plink];
XML::addElement($doc, $entry, 'link', '', $attributes);
}
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}
if (intval($item['parent']) > 0) {
$conversation_href = $conversation_uri = $item['conversation'];
XML::addElement($doc, $entry, 'link', '', ['rel' => 'ostatus:conversation', 'href' => $conversation_href]);
$attributes = [
'href' => $conversation_href,
'local_id' => $item['parent'],
'ref' => $conversation_uri,
];
XML::addElement($doc, $entry, 'ostatus:conversation', $conversation_uri, $attributes);
}
// uri-id isn't present for follow entry pseudo-items
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$tags = Tag::getByURIId($item['uri-id'] ?? 0);
foreach ($tags as $tag) {
$mentioned[$tag['url']] = $tag['url'];
}
// Make sure that mentions are accepted (GNU Social has problems with mixing HTTP and HTTPS)
$newmentions = [];
foreach ($mentioned as $mention) {
$newmentions[str_replace('http://', 'https://', $mention)] = str_replace('http://', 'https://', $mention);
$newmentions[str_replace('https://', 'http://', $mention)] = str_replace('https://', 'http://', $mention);
}
$mentioned = $newmentions;
foreach ($mentioned as $mention) {
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$contact = Contact::getByURL($mention, false, ['contact-type']);
if (!empty($contact) && ($contact['contact-type'] == Contact::TYPE_COMMUNITY)) {
XML::addElement($doc, $entry, 'link', '', [
'rel' => 'mentioned',
'ostatus:object-type' => Activity\ObjectType::GROUP,
'href' => $mention,
]);
} else {
XML::addElement($doc, $entry, 'link', '', [
'rel' => 'mentioned',
'ostatus:object-type' => Activity\ObjectType::PERSON,
'href' => $mention,
]);
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}
}
if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
XML::addElement($doc, $entry, 'link', '', [
'rel' => 'mentioned',
'ostatus:object-type' => 'http://activitystrea.ms/schema/1.0/group',
'href' => $owner['url']
]);
}
if ($item['private'] != Item::PRIVATE) {
XML::addElement($doc, $entry, 'link', '', ['rel' => 'ostatus:attention',
'href' => 'http://activityschema.org/collection/public']);
XML::addElement($doc, $entry, 'link', '', ['rel' => 'mentioned',
'ostatus:object-type' => 'http://activitystrea.ms/schema/1.0/collection',
'href' => 'http://activityschema.org/collection/public']);
XML::addElement($doc, $entry, 'mastodon:scope', 'public');
}
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foreach ($tags as $tag) {
if ($tag['type'] == Tag::HASHTAG) {
XML::addElement($doc, $entry, 'category', '', ['term' => $tag['name']]);
}
}
self::getAttachment($doc, $entry, $item);
if ($complete && ($item['id'] > 0)) {
$app = $item['app'];
if ($app == '') {
$app = 'web';
}
$attributes = ['local_id' => $item['id'], 'source' => $app];
if (isset($parent['id'])) {
$attributes['repeat_of'] = $parent['id'];
}
if ($item['coord'] != '') {
XML::addElement($doc, $entry, 'georss:point', $item['coord']);
}
XML::addElement($doc, $entry, 'statusnet:notice_info', '', $attributes);
}
}
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/**
* Creates the XML feed for a given nickname
*
* Supported filters:
* - activity (default): all the public posts
* - posts: all the public top-level posts
* - comments: all the public replies
*
* Updates the provided last_update parameter if the result comes from the
* cache or it is empty
*
* @param string $owner_nick Nickname of the feed owner
* @param string $last_update Date of the last update (in "Y-m-d H:i:s" format)
* @param integer $max_items Number of maximum items to fetch
* @param string $filter Feed items filter (activity, posts or comments)
* @param boolean $nocache Wether to bypass caching
* @return string XML feed or empty string on error
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
public static function feed(string $owner_nick, string &$last_update, int $max_items = 300, string $filter = 'activity', bool $nocache = false): string
{
$stamp = microtime(true);
$owner = User::getOwnerDataByNick($owner_nick);
if (!$owner) {
return '';
}
$cachekey = 'ostatus:feed:' . $owner_nick . ':' . $filter . ':' . $last_update;
$previous_created = $last_update;
// Don't cache when the last item was posted less than 15 minutes ago (Cache duration)
if ((time() - strtotime($owner['last-item'])) < 15*60) {
$result = DI::cache()->get($cachekey);
if (!$nocache && !is_null($result)) {
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Logger::info('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created . ' (cached)');
$last_update = $result['last_update'];
return $result['feed'];
}
}
if (!strlen($last_update)) {
$last_update = 'now -30 days';
}
$check_date = DateTimeFormat::utc($last_update);
$authorid = Contact::getIdForURL($owner['url']);
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$condition = [
"`uid` = ? AND `received` > ? AND NOT `deleted` AND `private` != ? AND `visible` AND `wall` AND `parent-network` IN (?, ?)",
$owner['uid'],
$check_date,
Item::PRIVATE,
Protocol::OSTATUS,
Protocol::DFRN,
];
if ($filter === 'comments') {
$condition[0] .= " AND `object-type` = ? ";
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$condition[] = Activity\ObjectType::COMMENT;
}
if ($owner['contact-type'] != Contact::TYPE_COMMUNITY) {
$condition[0] .= " AND `contact-id` = ? AND `author-id` = ?";
$condition[] = $owner['id'];
$condition[] = $authorid;
}
$params = ['order' => ['received' => true], 'limit' => $max_items];
if ($filter === 'posts') {
$ret = Post::selectThread([], $condition, $params);
} else {
$ret = Post::select([], $condition, $params);
}
$items = Post::toArray($ret);
$doc = new DOMDocument('1.0', 'utf-8');
$doc->formatOutput = true;
$root = self::addHeader($doc, $owner, $filter);
foreach ($items as $item) {
if (DI::config()->get('system', 'ostatus_debug')) {
$item['body'] .= '🍼';
}
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if (in_array($item['verb'], [Activity::FOLLOW, Activity::O_UNFOLLOW, Activity::LIKE])) {
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continue;
}
$entry = self::entry($doc, $item, $owner, false);
$root->appendChild($entry);
if ($last_update < $item['created']) {
$last_update = $item['created'];
}
}
$feeddata = trim($doc->saveXML());
$msg = ['feed' => $feeddata, 'last_update' => $last_update];
DI::cache()->set($cachekey, $msg, Duration::QUARTER_HOUR);
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Logger::info('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created);
return $feeddata;
}
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/**
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* Creates the XML for a salmon message
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*
* @param array $item Data of the item that is to be posted
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* @param array $owner Contact data of the poster
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*
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* @return string XML for the salmon
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
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*/
public static function salmon(array $item, array $owner): string
{
$doc = new DOMDocument('1.0', 'utf-8');
$doc->formatOutput = true;
if (DI::config()->get('system', 'ostatus_debug')) {
$item['body'] .= '🐟';
}
$entry = self::entry($doc, $item, $owner, true);
$doc->appendChild($entry);
return trim($doc->saveXML());
}
/**
* Checks if the given contact url does support OStatus
*
* @param string $url profile url
* @return boolean
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function isSupportedByContactUrl(string $url): bool
{
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$probe = Probe::uri($url, Protocol::OSTATUS);
return $probe['network'] == Protocol::OSTATUS;
}
}