3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Protocol;
26 use Friendica\Content\Text\BBCode;
27 use Friendica\Content\Text\HTML;
28 use Friendica\Core\Cache\Duration;
29 use Friendica\Core\Logger;
30 use Friendica\Core\Protocol;
31 use Friendica\Database\DBA;
33 use Friendica\Model\APContact;
34 use Friendica\Model\Contact;
35 use Friendica\Model\Conversation;
36 use Friendica\Model\Item;
37 use Friendica\Model\ItemURI;
38 use Friendica\Model\Post;
39 use Friendica\Model\Tag;
40 use Friendica\Model\User;
41 use Friendica\Network\HTTPClientOptions;
42 use Friendica\Network\Probe;
43 use Friendica\Util\DateTimeFormat;
44 use Friendica\Util\Images;
45 use Friendica\Util\Proxy;
46 use Friendica\Util\Strings;
47 use Friendica\Util\XML;
50 * This class contain functions for the OStatus protocol
54 private static $itemlist;
55 private static $conv_list = [];
60 * @param DOMXPath $xpath The xpath object
61 * @param object $context The xml context of the author details
62 * @param array $importer user record of the importing user
63 * @param array $contact Called by reference, will contain the fetched contact
64 * @param bool $onlyfetch Only fetch the header without updating the contact entries
66 * @return array Array of author related entries for the item
67 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
68 * @throws \ImagickException
70 private static function fetchAuthor(DOMXPath $xpath, $context, array $importer, array &$contact = null, $onlyfetch)
73 $author["author-link"] = XML::getFirstNodeValue($xpath, 'atom:author/atom:uri/text()', $context);
74 $author["author-name"] = XML::getFirstNodeValue($xpath, 'atom:author/atom:name/text()', $context);
75 $addr = XML::getFirstNodeValue($xpath, 'atom:author/atom:email/text()', $context);
77 $aliaslink = $author["author-link"];
79 $alternate_item = $xpath->query("atom:author/atom:link[@rel='alternate']", $context)->item(0);
80 if (is_object($alternate_item)) {
81 foreach ($alternate_item->attributes as $attributes) {
82 if (($attributes->name == "href") && ($attributes->textContent != "")) {
83 $author["author-link"] = $attributes->textContent;
87 $author["author-id"] = Contact::getIdForURL($author["author-link"]);
89 $author['contact-id'] = ($contact['id'] ?? 0) ?: $author['author-id'];
94 This here would be better, but we would get problems with contacts from the statusnet addon
95 This is kept here as a reminder for the future
97 $cid = Contact::getIdForURL($author["author-link"], $importer["uid"]);
99 $contact = DBA::selectFirst('contact', [], ['id' => $cid]);
102 if ($aliaslink != '') {
103 $condition = ["`uid` = ? AND `alias` = ? AND `network` != ? AND `rel` IN (?, ?)",
104 $importer["uid"], $aliaslink, Protocol::STATUSNET,
105 Contact::SHARING, Contact::FRIEND];
106 $contact = DBA::selectFirst('contact', [], $condition);
109 if (!DBA::isResult($contact) && $author["author-link"] != '') {
110 if ($aliaslink == "") {
111 $aliaslink = $author["author-link"];
114 $condition = ["`uid` = ? AND `nurl` IN (?, ?) AND `network` != ? AND `rel` IN (?, ?)",
115 $importer["uid"], Strings::normaliseLink($author["author-link"]), Strings::normaliseLink($aliaslink),
116 Protocol::STATUSNET, Contact::SHARING, Contact::FRIEND];
117 $contact = DBA::selectFirst('contact', [], $condition);
120 if (!DBA::isResult($contact) && ($addr != '')) {
121 $condition = ["`uid` = ? AND `addr` = ? AND `network` != ? AND `rel` IN (?, ?)",
122 $importer["uid"], $addr, Protocol::STATUSNET,
123 Contact::SHARING, Contact::FRIEND];
124 $contact = DBA::selectFirst('contact', [], $condition);
127 if (DBA::isResult($contact)) {
128 if ($contact['blocked']) {
130 } elseif (!empty(APContact::getByURL($contact['url'], false))) {
131 ActivityPub\Receiver::switchContact($contact['id'], $importer['uid'], $contact['url']);
133 $author["contact-id"] = $contact["id"];
137 $avatars = $xpath->query("atom:author/atom:link[@rel='avatar']", $context);
138 foreach ($avatars as $avatar) {
141 foreach ($avatar->attributes as $attributes) {
142 if ($attributes->name == "href") {
143 $href = $attributes->textContent;
145 if ($attributes->name == "width") {
146 $width = $attributes->textContent;
150 $avatarlist[$width] = $href;
153 if (count($avatarlist) > 0) {
155 $author["author-avatar"] = Probe::fixAvatar(current($avatarlist), $author["author-link"]);
158 $displayname = XML::getFirstNodeValue($xpath, 'atom:author/poco:displayName/text()', $context);
159 if ($displayname != "") {
160 $author["author-name"] = $displayname;
163 $author["owner-id"] = $author["author-id"];
165 // Only update the contacts if it is an OStatus contact
166 if (DBA::isResult($contact) && ($contact['id'] > 0) && !$onlyfetch && ($contact["network"] == Protocol::OSTATUS)) {
168 // Update contact data
170 unset($current['name-date']);
172 // This query doesn't seem to work
173 // $value = $xpath->query("atom:link[@rel='salmon']", $context)->item(0)->nodeValue;
175 // $contact["notify"] = $value;
177 // This query doesn't seem to work as well - I hate these queries
178 // $value = $xpath->query("atom:link[@rel='self' and @type='application/atom+xml']", $context)->item(0)->nodeValue;
180 // $contact["poll"] = $value;
182 $contact['url'] = $author["author-link"];
183 $contact['nurl'] = Strings::normaliseLink($contact['url']);
185 $value = XML::getFirstNodeValue($xpath, 'atom:author/atom:uri/text()', $context);
187 $contact["alias"] = $value;
190 $value = XML::getFirstNodeValue($xpath, 'atom:author/poco:displayName/text()', $context);
192 $contact["name"] = $value;
195 $value = XML::getFirstNodeValue($xpath, 'atom:author/poco:preferredUsername/text()', $context);
197 $contact["nick"] = $value;
200 $value = XML::getFirstNodeValue($xpath, 'atom:author/poco:note/text()', $context);
202 $contact["about"] = HTML::toBBCode($value);
205 $value = XML::getFirstNodeValue($xpath, 'atom:author/poco:address/poco:formatted/text()', $context);
207 $contact["location"] = $value;
210 $contact['name-date'] = DateTimeFormat::utcNow();
212 Contact::update($contact, ['id' => $contact["id"]], $current);
214 if (!empty($author["author-avatar"]) && ($author["author-avatar"] != $current['avatar'])) {
215 Logger::info("Update profile picture for contact ".$contact["id"]);
216 Contact::updateAvatar($contact["id"], $author["author-avatar"]);
219 // Ensure that we are having this contact (with uid=0)
220 $cid = Contact::getIdForURL($aliaslink);
223 $fields = ['url', 'nurl', 'name', 'nick', 'alias', 'about', 'location'];
224 $old_contact = DBA::selectFirst('contact', $fields, ['id' => $cid]);
226 // Update it with the current values
227 $fields = ['url' => $author["author-link"], 'name' => $contact["name"],
228 'nurl' => Strings::normaliseLink($author["author-link"]),
229 'nick' => $contact["nick"], 'alias' => $contact["alias"],
230 'about' => $contact["about"], 'location' => $contact["location"],
231 'success_update' => DateTimeFormat::utcNow(), 'last-update' => DateTimeFormat::utcNow()];
233 Contact::update($fields, ['id' => $cid], $old_contact);
236 if (!empty($author["author-avatar"])) {
237 Contact::updateAvatar($cid, $author["author-avatar"]);
240 } elseif (empty($contact["network"]) || ($contact["network"] != Protocol::DFRN)) {
248 * Fetches author data from a given XML string
250 * @param string $xml The XML
251 * @param array $importer user record of the importing user
253 * @return array Array of author related entries for the item
254 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
255 * @throws \ImagickException
257 public static function salmonAuthor($xml, array $importer)
263 $doc = new DOMDocument();
264 @$doc->loadXML($xml);
266 $xpath = new DOMXPath($doc);
267 $xpath->registerNamespace('atom', ActivityNamespace::ATOM1);
268 $xpath->registerNamespace('thr', ActivityNamespace::THREAD);
269 $xpath->registerNamespace('georss', ActivityNamespace::GEORSS);
270 $xpath->registerNamespace('activity', ActivityNamespace::ACTIVITY);
271 $xpath->registerNamespace('media', ActivityNamespace::MEDIA);
272 $xpath->registerNamespace('poco', ActivityNamespace::POCO);
273 $xpath->registerNamespace('ostatus', ActivityNamespace::OSTATUS);
274 $xpath->registerNamespace('statusnet', ActivityNamespace::STATUSNET);
276 $contact = ["id" => 0];
278 // Fetch the first author
279 $authordata = $xpath->query('//author')->item(0);
280 $author = self::fetchAuthor($xpath, $authordata, $importer, $contact, true);
285 * Read attributes from element
287 * @param object $element Element object
289 * @return array attributes
291 private static function readAttributes($element)
295 foreach ($element->attributes as $attributes) {
296 $attribute[$attributes->name] = $attributes->textContent;
303 * Imports an XML string containing OStatus elements
305 * @param string $xml The XML
306 * @param array $importer user record of the importing user
307 * @param array $contact contact
308 * @param string $hub Called by reference, returns the fetched hub data
310 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
311 * @throws \ImagickException
313 public static function import($xml, array $importer, array &$contact, &$hub)
315 self::process($xml, $importer, $contact, $hub, false, true, Conversation::PUSH);
319 * Internal feed processing
321 * @param string $xml The XML
322 * @param array $importer user record of the importing user
323 * @param array $contact contact
324 * @param string $hub Called by reference, returns the fetched hub data
325 * @param boolean $stored Is the post fresh imported or from the database?
326 * @param boolean $initialize Is it the leading post so that data has to be initialized?
328 * @return boolean Could the XML be processed?
329 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
330 * @throws \ImagickException
332 private static function process($xml, array $importer, array &$contact = null, &$hub, $stored = false, $initialize = true, $direction = Conversation::UNKNOWN)
335 self::$itemlist = [];
336 self::$conv_list = [];
339 Logger::info('Import OStatus message for user ' . $importer['uid']);
344 $doc = new DOMDocument();
345 @$doc->loadXML($xml);
347 $xpath = new DOMXPath($doc);
348 $xpath->registerNamespace('atom', ActivityNamespace::ATOM1);
349 $xpath->registerNamespace('thr', ActivityNamespace::THREAD);
350 $xpath->registerNamespace('georss', ActivityNamespace::GEORSS);
351 $xpath->registerNamespace('activity', ActivityNamespace::ACTIVITY);
352 $xpath->registerNamespace('media', ActivityNamespace::MEDIA);
353 $xpath->registerNamespace('poco', ActivityNamespace::POCO);
354 $xpath->registerNamespace('ostatus', ActivityNamespace::OSTATUS);
355 $xpath->registerNamespace('statusnet', ActivityNamespace::STATUSNET);
358 $hub_items = $xpath->query("/atom:feed/atom:link[@rel='hub']")->item(0);
359 if (is_object($hub_items)) {
360 $hub_attributes = $hub_items->attributes;
361 if (is_object($hub_attributes)) {
362 foreach ($hub_attributes as $hub_attribute) {
363 if ($hub_attribute->name == "href") {
364 $hub = $hub_attribute->textContent;
365 Logger::info("Found hub ".$hub);
372 $header["uid"] = $importer["uid"];
373 $header["network"] = Protocol::OSTATUS;
375 $header["origin"] = 0;
376 $header["gravity"] = GRAVITY_COMMENT;
378 if (!is_object($doc->firstChild) || empty($doc->firstChild->tagName)) {
382 $first_child = $doc->firstChild->tagName;
384 if ($first_child == "feed") {
385 $entries = $xpath->query('/atom:feed/atom:entry');
387 $entries = $xpath->query('/atom:entry');
390 if ($entries->length == 1) {
391 // We reformat the XML to make it better readable
392 $doc2 = new DOMDocument();
393 $doc2->loadXML($xml);
394 $doc2->preserveWhiteSpace = false;
395 $doc2->formatOutput = true;
396 $xml2 = $doc2->saveXML();
398 $header["protocol"] = Conversation::PARCEL_SALMON;
399 $header["source"] = $xml2;
400 $header["direction"] = $direction;
401 } elseif (!$initialize) {
405 // Fetch the first author
406 $authordata = $xpath->query('//author')->item(0);
407 $author = self::fetchAuthor($xpath, $authordata, $importer, $contact, $stored);
409 // Reverse the order of the entries
412 foreach ($entries as $entry) {
413 $entrylist[] = $entry;
416 foreach (array_reverse($entrylist) as $entry) {
418 $authorelement = $xpath->query('/atom:entry/atom:author', $entry);
420 if ($authorelement->length == 0) {
421 $authorelement = $xpath->query('atom:author', $entry);
424 if ($authorelement->length > 0) {
425 $author = self::fetchAuthor($xpath, $entry, $importer, $contact, $stored);
428 $item = array_merge($header, $author);
430 $item["uri"] = XML::getFirstNodeValue($xpath, 'atom:id/text()', $entry);
431 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri']]);
433 $item["verb"] = XML::getFirstNodeValue($xpath, 'activity:verb/text()', $entry);
436 if (in_array($item["verb"], ['qvitter-delete-notice', Activity::DELETE, 'delete'])) {
437 self::deleteNotice($item);
441 if (in_array($item["verb"], [Activity::O_UNFAVOURITE, Activity::UNFAVORITE])) {
442 // Ignore "Unfavorite" message
443 Logger::info("Ignore unfavorite message ", ['item' => $item]);
447 // Deletions come with the same uri, so we check for duplicates after processing deletions
448 if (Post::exists(['uid' => $importer["uid"], 'uri' => $item["uri"]])) {
449 Logger::info('Post with URI '.$item["uri"].' already existed for user '.$importer["uid"].'.');
452 Logger::info('Processing post with URI '.$item["uri"].' for user '.$importer["uid"].'.');
455 if ($item["verb"] == Activity::JOIN) {
456 // ignore "Join" messages
457 Logger::info("Ignore join message ", ['item' => $item]);
461 if ($item["verb"] == "http://mastodon.social/schema/1.0/block") {
462 // ignore mastodon "block" messages
463 Logger::info("Ignore block message ", ['item' => $item]);
467 if ($item["verb"] == Activity::FOLLOW) {
468 Contact::addRelationship($importer, $contact, $item);
472 if ($item["verb"] == Activity::O_UNFOLLOW) {
474 Contact::removeFollower($contact);
478 if ($item["verb"] == Activity::FAVORITE) {
479 $orig_uri = $xpath->query("activity:object/atom:id", $entry)->item(0)->nodeValue;
480 Logger::notice("Favorite", ['uri' => $orig_uri, 'item' => $item]);
482 $item["verb"] = Activity::LIKE;
483 $item["thr-parent"] = $orig_uri;
484 $item["gravity"] = GRAVITY_ACTIVITY;
485 $item["object-type"] = Activity\ObjectType::NOTE;
488 // http://activitystrea.ms/schema/1.0/rsvp-yes
489 if (!in_array($item["verb"], [Activity::POST, Activity::LIKE, Activity::SHARE])) {
490 Logger::info("Unhandled verb", ['verb' => $item["verb"], 'item' => $item]);
493 self::processPost($xpath, $entry, $item, $importer);
495 if ($initialize && (count(self::$itemlist) > 0)) {
496 if (self::$itemlist[0]['uri'] == self::$itemlist[0]['thr-parent']) {
497 // We will import it everytime, when it is started by our contacts
498 $valid = Contact::isSharingByURL(self::$itemlist[0]['author-link'], self::$itemlist[0]['uid']);
501 // If not, then it depends on this setting
502 $valid = ((self::$itemlist[0]['uid'] == 0) || !DI::pConfig()->get(self::$itemlist[0]['uid'], 'system', 'accept_only_sharer', false));
504 Logger::info("Item with uri ".self::$itemlist[0]['uri']." will be imported due to the system settings.");
507 Logger::info("Item with uri ".self::$itemlist[0]['uri']." belongs to a contact (".self::$itemlist[0]['contact-id']."). It will be imported.");
510 // Never post a thread when the only interaction by our contact was a like
512 $verbs = [Activity::POST, Activity::SHARE];
513 foreach (self::$itemlist as $item) {
514 if (in_array($item['verb'], $verbs) && Contact::isSharingByURL($item['author-link'], $item['uid'])) {
519 Logger::info("Item with uri ".self::$itemlist[0]['uri']." will be imported since the thread contains posts or shares.");
527 $default_contact = 0;
528 for ($key = count(self::$itemlist) - 1; $key >= 0; $key--) {
529 if (empty(self::$itemlist[$key]['contact-id'])) {
530 self::$itemlist[$key]['contact-id'] = $default_contact;
532 $default_contact = $item['contact-id'];
535 foreach (self::$itemlist as $item) {
536 $found = Post::exists(['uid' => $importer["uid"], 'uri' => $item["uri"]]);
538 Logger::info("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already exists.");
539 } elseif ($item['contact-id'] < 0) {
540 Logger::info("Item with uri ".$item["uri"]." is from a blocked contact.");
542 $ret = Item::insert($item);
543 Logger::notice("Item with uri ".$item["uri"]." for user ".$importer["uid"].' stored. Return value: '.$ret);
547 self::$itemlist = [];
549 Logger::info('Processing done for post with URI '.$item["uri"].' for user '.$importer["uid"].'.');
555 * Removes notice item from database
557 * @param array $item item
561 private static function deleteNotice(array $item)
563 $condition = ['uid' => $item['uid'], 'author-id' => $item['author-id'], 'uri' => $item['uri']];
564 if (!Post::exists($condition)) {
565 Logger::notice('Item from '.$item['author-link'].' with uri '.$item['uri'].' for user '.$item['uid']." wasn't found. We don't delete it.");
569 Item::markForDeletion($condition);
571 Logger::notice('Deleted item with uri '.$item['uri'].' for user '.$item['uid']);
575 * Processes the XML for a post
577 * @param DOMXPath $xpath The xpath object
578 * @param object $entry The xml entry that is processed
579 * @param array $item The item array
580 * @param array $importer user record of the importing user
582 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
583 * @throws \ImagickException
585 private static function processPost(DOMXPath $xpath, $entry, array &$item, array $importer)
587 $item["body"] = HTML::toBBCode(XML::getFirstNodeValue($xpath, 'atom:content/text()', $entry));
588 $item["object-type"] = XML::getFirstNodeValue($xpath, 'activity:object-type/text()', $entry);
589 if (($item["object-type"] == Activity\ObjectType::BOOKMARK) || ($item["object-type"] == Activity\ObjectType::EVENT)) {
590 $item["title"] = XML::getFirstNodeValue($xpath, 'atom:title/text()', $entry);
591 $item["body"] = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $entry);
592 } elseif ($item["object-type"] == Activity\ObjectType::QUESTION) {
593 $item["title"] = XML::getFirstNodeValue($xpath, 'atom:title/text()', $entry);
596 $item["created"] = XML::getFirstNodeValue($xpath, 'atom:published/text()', $entry);
597 $item["edited"] = XML::getFirstNodeValue($xpath, 'atom:updated/text()', $entry);
598 $item['conversation-uri'] = XML::getFirstNodeValue($xpath, 'ostatus:conversation/text()', $entry);
600 $conv = $xpath->query('ostatus:conversation', $entry);
601 if (is_object($conv->item(0))) {
602 foreach ($conv->item(0)->attributes as $attributes) {
603 if ($attributes->name == "ref") {
604 $item['conversation-uri'] = $attributes->textContent;
606 if ($attributes->name == "href") {
607 $item['conversation-href'] = $attributes->textContent;
614 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
615 if (is_object($inreplyto->item(0))) {
616 foreach ($inreplyto->item(0)->attributes as $attributes) {
617 if ($attributes->name == "ref") {
618 $item["thr-parent"] = $attributes->textContent;
620 if ($attributes->name == "href") {
621 $related = $attributes->textContent;
626 $georsspoint = $xpath->query('georss:point', $entry);
627 if (!empty($georsspoint) && ($georsspoint->length > 0)) {
628 $item["coord"] = $georsspoint->item(0)->nodeValue;
631 $categories = $xpath->query('atom:category', $entry);
633 foreach ($categories as $category) {
634 foreach ($category->attributes as $attributes) {
635 if ($attributes->name == 'term') {
637 Tag::store($item['uri-id'], Tag::HASHTAG, $attributes->textContent);
646 $links = $xpath->query('atom:link', $entry);
648 $link_data = self::processLinks($links, $item);
649 $self = $link_data['self'];
650 $add_body = $link_data['add_body'];
655 $notice_info = $xpath->query('statusnet:notice_info', $entry);
656 if ($notice_info && ($notice_info->length > 0)) {
657 foreach ($notice_info->item(0)->attributes as $attributes) {
658 if ($attributes->name == "source") {
659 $item["app"] = strip_tags($attributes->textContent);
661 if ($attributes->name == "repeat_of") {
662 $repeat_of = $attributes->textContent;
666 // Is it a repeated post?
667 if (($repeat_of != "") || ($item["verb"] == Activity::SHARE)) {
668 $link_data = self::processRepeatedItem($xpath, $entry, $item, $importer);
669 if (!empty($link_data['add_body'])) {
670 $add_body .= $link_data['add_body'];
674 $item["body"] .= $add_body;
676 Tag::storeFromBody($item['uri-id'], $item['body']);
678 // Mastodon Content Warning
679 if (($item["verb"] == Activity::POST) && $xpath->evaluate('boolean(atom:summary)', $entry)) {
680 $clear_text = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $entry);
681 if (!empty($clear_text)) {
682 $item['content-warning'] = HTML::toBBCode($clear_text);
686 if (($self != '') && empty($item['protocol'])) {
687 self::fetchSelf($self, $item);
690 if (!empty($item["conversation-href"])) {
691 self::fetchConversation($item['conversation-href'], $item['conversation-uri']);
694 if (isset($item["thr-parent"])) {
695 if (!Post::exists(['uid' => $importer["uid"], 'uri' => $item['thr-parent']])) {
696 if ($related != '') {
697 self::fetchRelated($related, $item["thr-parent"], $importer);
700 Logger::info('Reply with URI '.$item["uri"].' already existed for user '.$importer["uid"].'.');
703 $item["thr-parent"] = $item["uri"];
704 $item["gravity"] = GRAVITY_PARENT;
707 if (($item['author-link'] != '') && !empty($item['protocol'])) {
708 $item = Conversation::insert($item);
711 self::$itemlist[] = $item;
715 * Fetch the conversation for posts
717 * @param string $conversation The link to the conversation
718 * @param string $conversation_uri The conversation in "uri" format
720 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
722 private static function fetchConversation($conversation, $conversation_uri)
724 // Ensure that we only store a conversation once in a process
725 if (isset(self::$conv_list[$conversation])) {
729 self::$conv_list[$conversation] = true;
731 $curlResult = DI::httpClient()->get($conversation, [HTTPClientOptions::ACCEPT_CONTENT => ['application/atom+xml', 'text/html']]);
733 if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
739 if ($curlResult->inHeader('Content-Type') &&
740 in_array('application/atom+xml', $curlResult->getHeader('Content-Type'))) {
741 $xml = $curlResult->getBody();
745 $doc = new DOMDocument();
746 if (!@$doc->loadHTML($curlResult->getBody())) {
749 $xpath = new DOMXPath($doc);
751 $links = $xpath->query('//link');
754 foreach ($links as $link) {
755 $attribute = self::readAttributes($link);
756 if (($attribute['rel'] == 'alternate') && ($attribute['type'] == 'application/atom+xml')) {
757 $file = $attribute['href'];
761 $conversation_atom = DI::httpClient()->get($attribute['href']);
763 if ($conversation_atom->isSuccess()) {
764 $xml = $conversation_atom->getBody();
774 self::storeConversation($xml, $conversation, $conversation_uri);
778 * Store a feed in several conversation entries
780 * @param string $xml The feed
781 * @param string $conversation conversation
782 * @param string $conversation_uri conversation uri
786 private static function storeConversation($xml, $conversation = '', $conversation_uri = '')
788 $doc = new DOMDocument();
789 @$doc->loadXML($xml);
791 $xpath = new DOMXPath($doc);
792 $xpath->registerNamespace('atom', ActivityNamespace::ATOM1);
793 $xpath->registerNamespace('thr', ActivityNamespace::THREAD);
794 $xpath->registerNamespace('ostatus', ActivityNamespace::OSTATUS);
796 $entries = $xpath->query('/atom:feed/atom:entry');
798 // Now store the entries
799 foreach ($entries as $entry) {
800 $doc2 = new DOMDocument();
801 $doc2->preserveWhiteSpace = false;
802 $doc2->formatOutput = true;
806 $conv_data['protocol'] = Conversation::PARCEL_SPLIT_CONVERSATION;
807 $conv_data['direction'] = Conversation::PULL;
808 $conv_data['network'] = Protocol::OSTATUS;
809 $conv_data['uri'] = XML::getFirstNodeValue($xpath, 'atom:id/text()', $entry);
811 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
812 if (is_object($inreplyto->item(0))) {
813 foreach ($inreplyto->item(0)->attributes as $attributes) {
814 if ($attributes->name == "ref") {
815 $conv_data['reply-to-uri'] = $attributes->textContent;
820 $conv_data['conversation-uri'] = XML::getFirstNodeValue($xpath, 'ostatus:conversation/text()', $entry);
822 $conv = $xpath->query('ostatus:conversation', $entry);
823 if (is_object($conv->item(0))) {
824 foreach ($conv->item(0)->attributes as $attributes) {
825 if ($attributes->name == "ref") {
826 $conv_data['conversation-uri'] = $attributes->textContent;
828 if ($attributes->name == "href") {
829 $conv_data['conversation-href'] = $attributes->textContent;
834 if ($conversation != '') {
835 $conv_data['conversation-uri'] = $conversation;
838 if ($conversation_uri != '') {
839 $conv_data['conversation-uri'] = $conversation_uri;
842 $entry = $doc2->importNode($entry, true);
844 $doc2->appendChild($entry);
846 $conv_data['source'] = $doc2->saveXML();
848 Logger::info('Store conversation data for uri '.$conv_data['uri']);
849 Conversation::insert($conv_data);
854 * Fetch the own post so that it can be stored later
856 * We want to store the original data for later processing.
857 * This function is meant for cases where we process a feed with multiple entries.
858 * In that case we need to fetch the single posts here.
860 * @param string $self The link to the self item
861 * @param array $item The item array
863 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
865 private static function fetchSelf($self, array &$item)
867 $condition = ['item-uri' => $self, 'protocol' => [Conversation::PARCEL_DFRN,
868 Conversation::PARCEL_DIASPORA_DFRN, Conversation::PARCEL_LEGACY_DFRN,
869 Conversation::PARCEL_LOCAL_DFRN, Conversation::PARCEL_DIRECT, Conversation::PARCEL_SALMON]];
870 if (DBA::exists('conversation', $condition)) {
871 Logger::info('Conversation '.$item['uri'].' is already stored.');
875 $curlResult = DI::httpClient()->get($self);
877 if (!$curlResult->isSuccess()) {
881 // We reformat the XML to make it better readable
882 $doc = new DOMDocument();
883 $doc->loadXML($curlResult->getBody());
884 $doc->preserveWhiteSpace = false;
885 $doc->formatOutput = true;
886 $xml = $doc->saveXML();
888 $item["protocol"] = Conversation::PARCEL_SALMON;
889 $item["source"] = $xml;
890 $item["direction"] = Conversation::PULL;
892 Logger::info('Conversation '.$item['uri'].' is now fetched.');
896 * Fetch related posts and processes them
898 * @param string $related The link to the related item
899 * @param string $related_uri The related item in "uri" format
900 * @param array $importer user record of the importing user
902 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
903 * @throws \ImagickException
905 private static function fetchRelated($related, $related_uri, $importer)
907 $condition = ['item-uri' => $related_uri, 'protocol' => [Conversation::PARCEL_DFRN,
908 Conversation::PARCEL_DIASPORA_DFRN, Conversation::PARCEL_LEGACY_DFRN,
909 Conversation::PARCEL_LOCAL_DFRN, Conversation::PARCEL_DIRECT, Conversation::PARCEL_SALMON]];
910 $conversation = DBA::selectFirst('conversation', ['source', 'protocol'], $condition);
911 if (DBA::isResult($conversation)) {
913 $xml = $conversation['source'];
914 if (self::process($xml, $importer, $contact, $hub, $stored, false, Conversation::PULL)) {
915 Logger::info('Got valid cached XML for URI '.$related_uri);
918 if ($conversation['protocol'] == Conversation::PARCEL_SALMON) {
919 Logger::info('Delete invalid cached XML for URI '.$related_uri);
920 DBA::delete('conversation', ['item-uri' => $related_uri]);
925 $curlResult = DI::httpClient()->get($related, [HTTPClientOptions::ACCEPT_CONTENT => ['application/atom+xml', 'text/html']]);
927 if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
933 if ($curlResult->inHeader('Content-Type') &&
934 in_array('application/atom+xml', $curlResult->getHeader('Content-Type'))) {
935 Logger::info('Directly fetched XML for URI ' . $related_uri);
936 $xml = $curlResult->getBody();
940 $doc = new DOMDocument();
941 if (!@$doc->loadHTML($curlResult->getBody())) {
944 $xpath = new DOMXPath($doc);
948 $links = $xpath->query('//link');
950 foreach ($links as $link) {
951 $attribute = self::readAttributes($link);
952 if (($attribute['rel'] == 'alternate') && ($attribute['type'] == 'application/atom+xml')) {
953 $atom_file = $attribute['href'];
956 if ($atom_file != '') {
957 $curlResult = DI::httpClient()->get($atom_file);
959 if ($curlResult->isSuccess()) {
960 Logger::info('Fetched XML for URI ' . $related_uri);
961 $xml = $curlResult->getBody();
967 // Workaround for older GNU Social servers
968 if (($xml == '') && strstr($related, '/notice/')) {
969 $curlResult = DI::httpClient()->get(str_replace('/notice/', '/api/statuses/show/', $related) . '.atom');
971 if ($curlResult->isSuccess()) {
972 Logger::info('GNU Social workaround to fetch XML for URI ' . $related_uri);
973 $xml = $curlResult->getBody();
977 // Even more worse workaround for GNU Social ;-)
979 $related_guess = self::convertHref($related_uri);
980 $curlResult = DI::httpClient()->get(str_replace('/notice/', '/api/statuses/show/', $related_guess) . '.atom');
982 if ($curlResult->isSuccess()) {
983 Logger::info('GNU Social workaround 2 to fetch XML for URI ' . $related_uri);
984 $xml = $curlResult->getBody();
988 // Finally we take the data that we fetched from "ostatus:conversation"
990 $condition = ['item-uri' => $related_uri, 'protocol' => Conversation::PARCEL_SPLIT_CONVERSATION];
991 $conversation = DBA::selectFirst('conversation', ['source'], $condition);
992 if (DBA::isResult($conversation)) {
994 Logger::info('Got cached XML from conversation for URI '.$related_uri);
995 $xml = $conversation['source'];
1000 self::process($xml, $importer, $contact, $hub, $stored, false, Conversation::PULL);
1002 Logger::info("XML couldn't be fetched for URI: ".$related_uri." - href: ".$related);
1008 * Processes the XML for a repeated post
1010 * @param DOMXPath $xpath The xpath object
1011 * @param object $entry The xml entry that is processed
1012 * @param array $item The item array
1013 * @param array $importer user record of the importing user
1015 * @return array with data from links
1016 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1017 * @throws \ImagickException
1019 private static function processRepeatedItem(DOMXPath $xpath, $entry, array &$item, array $importer)
1021 $activityobject = $xpath->query('activity:object', $entry)->item(0);
1023 if (!is_object($activityobject)) {
1029 $orig_uri = XML::getFirstNodeValue($xpath, 'atom:id/text()', $activityobject);
1031 $links = $xpath->query("atom:link", $activityobject);
1033 $link_data = self::processLinks($links, $item);
1036 $orig_body = XML::getFirstNodeValue($xpath, 'atom:content/text()', $activityobject);
1037 $orig_created = XML::getFirstNodeValue($xpath, 'atom:published/text()', $activityobject);
1038 $orig_edited = XML::getFirstNodeValue($xpath, 'atom:updated/text()', $activityobject);
1040 $orig_author = self::fetchAuthor($xpath, $activityobject, $importer, $dummy, false);
1042 $item["author-name"] = $orig_author["author-name"];
1043 $item["author-link"] = $orig_author["author-link"];
1044 $item["author-id"] = $orig_author["author-id"];
1046 $item["body"] = HTML::toBBCode($orig_body);
1047 $item["created"] = $orig_created;
1048 $item["edited"] = $orig_edited;
1050 $item["uri"] = $orig_uri;
1052 $item["verb"] = XML::getFirstNodeValue($xpath, 'activity:verb/text()', $activityobject);
1054 $item["object-type"] = XML::getFirstNodeValue($xpath, 'activity:object-type/text()', $activityobject);
1056 // Mastodon Content Warning
1057 if (($item["verb"] == Activity::POST) && $xpath->evaluate('boolean(atom:summary)', $activityobject)) {
1058 $clear_text = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $activityobject);
1059 if (!empty($clear_text)) {
1060 $item['content-warning'] = HTML::toBBCode($clear_text);
1064 $inreplyto = $xpath->query('thr:in-reply-to', $activityobject);
1065 if (is_object($inreplyto->item(0))) {
1066 foreach ($inreplyto->item(0)->attributes as $attributes) {
1067 if ($attributes->name == "ref") {
1068 $item["thr-parent"] = $attributes->textContent;
1077 * Processes links in the XML
1079 * @param object $links The xml data that contain links
1080 * @param array $item The item array
1082 * @return array with data from the links
1084 private static function processLinks($links, array &$item)
1086 $link_data = ['add_body' => '', 'self' => ''];
1088 foreach ($links as $link) {
1089 $attribute = self::readAttributes($link);
1091 if (!empty($attribute['rel']) && !empty($attribute['href'])) {
1092 switch ($attribute['rel']) {
1094 $item["plink"] = $attribute['href'];
1095 if (($item["object-type"] == Activity\ObjectType::QUESTION)
1096 || ($item["object-type"] == Activity\ObjectType::EVENT)
1098 Post\Media::insert(['uri-id' => $item['uri-id'], 'type' => Post\Media::UNKNOWN,
1099 'url' => $attribute['href'], 'mimetype' => $attribute['type'] ?? null,
1100 'size' => $attribute['length'] ?? null, 'description' => $attribute['title'] ?? null]);
1103 case "ostatus:conversation":
1104 $link_data['conversation'] = $attribute['href'];
1105 $item['conversation-href'] = $link_data['conversation'];
1106 if (!isset($item['conversation-uri'])) {
1107 $item['conversation-uri'] = $item['conversation-href'];
1111 $filetype = strtolower(substr($attribute['type'], 0, strpos($attribute['type'], '/')));
1112 if ($filetype == 'image') {
1113 $link_data['add_body'] .= "\n[img]".$attribute['href'].'[/img]';
1115 Post\Media::insert(['uri-id' => $item['uri-id'], 'type' => Post\Media::DOCUMENT,
1116 'url' => $attribute['href'], 'mimetype' => $attribute['type'],
1117 'size' => $attribute['length'] ?? null, 'description' => $attribute['title'] ?? null]);
1121 if ($item["object-type"] != Activity\ObjectType::BOOKMARK) {
1122 if (!isset($item["thr-parent"])) {
1123 $item["thr-parent"] = $attribute['href'];
1125 $link_data['related'] = $attribute['href'];
1127 Post\Media::insert(['uri-id' => $item['uri-id'], 'type' => Post\Media::UNKNOWN,
1128 'url' => $attribute['href'], 'mimetype' => $attribute['type'] ?? null,
1129 'size' => $attribute['length'] ?? null, 'description' => $attribute['title'] ?? null]);
1133 if (empty($item["plink"])) {
1134 $item["plink"] = $attribute['href'];
1136 $link_data['self'] = $attribute['href'];
1145 * Create an url out of an uri
1147 * @param string $href URI in the format "parameter1:parameter1:..."
1149 * @return string URL in the format http(s)://....
1151 private static function convertHref($href)
1153 $elements = explode(":", $href);
1155 if ((count($elements) <= 2) || ($elements[0] != "tag")) {
1159 $server = explode(",", $elements[1]);
1160 $conversation = explode("=", $elements[2]);
1162 if ((count($elements) == 4) && ($elements[2] == "post")) {
1163 return "http://".$server[0]."/notice/".$elements[3];
1166 if ((count($conversation) != 2) || ($conversation[1] =="")) {
1169 if ($elements[3] == "objectType=thread") {
1170 return "http://".$server[0]."/conversation/".$conversation[1];
1172 return "http://".$server[0]."/notice/".$conversation[1];
1177 * Cleans the body of a post if it contains picture links
1179 * @param string $body The body
1181 * @return string The cleaned body
1182 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1184 public static function formatPicturePost($body, $uriid)
1186 $siteinfo = BBCode::getAttachedData($body);
1188 if (($siteinfo["type"] == "photo") && (!empty($siteinfo["preview"]) || !empty($siteinfo["image"]))) {
1189 if (isset($siteinfo["preview"])) {
1190 $preview = $siteinfo["preview"];
1192 $preview = $siteinfo["image"];
1195 // Is it a remote picture? Then make a smaller preview here
1196 $preview = Post\Link::getByLink($uriid, $preview, Proxy::SIZE_SMALL);
1198 // Is it a local picture? Then make it smaller here
1199 $preview = str_replace(["-0.jpg", "-0.png"], ["-2.jpg", "-2.png"], $preview);
1200 $preview = str_replace(["-1.jpg", "-1.png"], ["-2.jpg", "-2.png"], $preview);
1202 if (isset($siteinfo["url"])) {
1203 $url = $siteinfo["url"];
1205 $url = $siteinfo["image"];
1208 $body = trim($siteinfo["text"])." [url]".$url."[/url]\n[img]".$preview."[/img]";
1215 * Adds the header elements to the XML document
1217 * @param DOMDocument $doc XML document
1218 * @param array $owner Contact data of the poster
1219 * @param string $filter The related feed filter (activity, posts or comments)
1221 * @return object header root element
1222 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1224 private static function addHeader(DOMDocument $doc, array $owner, $filter)
1226 $root = $doc->createElementNS(ActivityNamespace::ATOM1, 'feed');
1227 $doc->appendChild($root);
1229 $root->setAttribute("xmlns:thr", ActivityNamespace::THREAD);
1230 $root->setAttribute("xmlns:georss", ActivityNamespace::GEORSS);
1231 $root->setAttribute("xmlns:activity", ActivityNamespace::ACTIVITY);
1232 $root->setAttribute("xmlns:media", ActivityNamespace::MEDIA);
1233 $root->setAttribute("xmlns:poco", ActivityNamespace::POCO);
1234 $root->setAttribute("xmlns:ostatus", ActivityNamespace::OSTATUS);
1235 $root->setAttribute("xmlns:statusnet", ActivityNamespace::STATUSNET);
1236 $root->setAttribute("xmlns:mastodon", ActivityNamespace::MASTODON);
1239 $selfUri = '/feed/' . $owner["nick"] . '/';
1242 $title = DI::l10n()->t('%s\'s timeline', $owner['name']);
1243 $selfUri .= $filter;
1246 $title = DI::l10n()->t('%s\'s posts', $owner['name']);
1249 $title = DI::l10n()->t('%s\'s comments', $owner['name']);
1250 $selfUri .= $filter;
1254 $selfUri = "/dfrn_poll/" . $owner["nick"];
1256 $attributes = ["uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION . "-" . DB_UPDATE_VERSION];
1257 XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
1258 XML::addElement($doc, $root, "id", DI::baseUrl() . "/profile/" . $owner["nick"]);
1259 XML::addElement($doc, $root, "title", $title);
1260 XML::addElement($doc, $root, "subtitle", sprintf("Updates from %s on %s", $owner["name"], DI::config()->get('config', 'sitename')));
1261 XML::addElement($doc, $root, "logo", User::getAvatarUrl($owner, Proxy::SIZE_SMALL));
1262 XML::addElement($doc, $root, "updated", DateTimeFormat::utcNow(DateTimeFormat::ATOM));
1264 $author = self::addAuthor($doc, $owner, true);
1265 $root->appendChild($author);
1267 $attributes = ["href" => $owner["url"], "rel" => "alternate", "type" => "text/html"];
1268 XML::addElement($doc, $root, "link", "", $attributes);
1270 /// @TODO We have to find out what this is
1271 /// $attributes = array("href" => DI::baseUrl()."/sup",
1272 /// "rel" => "http://api.friendfeed.com/2008/03#sup",
1273 /// "type" => "application/json");
1274 /// XML::addElement($doc, $root, "link", "", $attributes);
1276 self::hublinks($doc, $root, $owner["nick"]);
1278 $attributes = ["href" => DI::baseUrl() . "/salmon/" . $owner["nick"], "rel" => "salmon"];
1279 XML::addElement($doc, $root, "link", "", $attributes);
1281 $attributes = ["href" => DI::baseUrl() . "/salmon/" . $owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-replies"];
1282 XML::addElement($doc, $root, "link", "", $attributes);
1284 $attributes = ["href" => DI::baseUrl() . "/salmon/" . $owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-mention"];
1285 XML::addElement($doc, $root, "link", "", $attributes);
1287 $attributes = ["href" => DI::baseUrl() . $selfUri, "rel" => "self", "type" => "application/atom+xml"];
1288 XML::addElement($doc, $root, "link", "", $attributes);
1290 if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
1291 $condition = ['uid' => $owner['uid'], 'self' => false, 'pending' => false,
1292 'archive' => false, 'hidden' => false, 'blocked' => false];
1293 $members = DBA::count('contact', $condition);
1294 XML::addElement($doc, $root, "statusnet:group_info", "", ["member_count" => $members]);
1301 * Add the link to the push hubs to the XML document
1303 * @param DOMDocument $doc XML document
1304 * @param object $root XML root element where the hub links are added
1305 * @param object $nick nick
1307 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1309 public static function hublinks(DOMDocument $doc, $root, $nick)
1311 $h = DI::baseUrl() . '/pubsubhubbub/'.$nick;
1312 XML::addElement($doc, $root, "link", "", ["href" => $h, "rel" => "hub"]);
1316 * Adds attachment data to the XML document
1318 * @param DOMDocument $doc XML document
1319 * @param object $root XML root element where the hub links are added
1320 * @param array $item Data of the item that is to be posted
1322 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1324 public static function getAttachment(DOMDocument $doc, $root, $item)
1326 $siteinfo = BBCode::getAttachedData($item["body"]);
1328 switch ($siteinfo["type"]) {
1330 if (!empty($siteinfo["image"])) {
1331 $imgdata = Images::getInfoFromURLCached($siteinfo["image"]);
1333 $attributes = ["rel" => "enclosure",
1334 "href" => $siteinfo["image"],
1335 "type" => $imgdata["mime"],
1336 "length" => intval($imgdata["size"])];
1337 XML::addElement($doc, $root, "link", "", $attributes);
1342 $attributes = ["rel" => "enclosure",
1343 "href" => $siteinfo["url"],
1344 "type" => "text/html; charset=UTF-8",
1346 "title" => ($siteinfo["title"] ?? '') ?: $siteinfo["url"],
1348 XML::addElement($doc, $root, "link", "", $attributes);
1354 if (!DI::config()->get('system', 'ostatus_not_attach_preview') && ($siteinfo["type"] != "photo") && isset($siteinfo["image"])) {
1355 $imgdata = Images::getInfoFromURLCached($siteinfo["image"]);
1357 $attributes = ["rel" => "enclosure",
1358 "href" => $siteinfo["image"],
1359 "type" => $imgdata["mime"],
1360 "length" => intval($imgdata["size"])];
1362 XML::addElement($doc, $root, "link", "", $attributes);
1366 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
1367 $attributes = ['rel' => 'enclosure',
1368 'href' => $attachment['url'],
1369 'type' => $attachment['mimetype']];
1371 if (!empty($attachment['size'])) {
1372 $attributes['length'] = intval($attachment['size']);
1374 if (!empty($attachment['description'])) {
1375 $attributes['title'] = $attachment['description'];
1378 XML::addElement($doc, $root, 'link', '', $attributes);
1383 * Adds the author element to the XML document
1385 * @param DOMDocument $doc XML document
1386 * @param array $owner Contact data of the poster
1387 * @param bool $show_profile Whether to show profile
1389 * @return \DOMElement author element
1390 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1392 private static function addAuthor(DOMDocument $doc, array $owner, $show_profile = true)
1394 $profile = DBA::selectFirst('profile', ['homepage', 'publish'], ['uid' => $owner['uid']]);
1395 $author = $doc->createElement("author");
1396 XML::addElement($doc, $author, "id", $owner["url"]);
1397 if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
1398 XML::addElement($doc, $author, "activity:object-type", Activity\ObjectType::GROUP);
1400 XML::addElement($doc, $author, "activity:object-type", Activity\ObjectType::PERSON);
1403 XML::addElement($doc, $author, "uri", $owner["url"]);
1404 XML::addElement($doc, $author, "name", $owner["nick"]);
1405 XML::addElement($doc, $author, "email", $owner["addr"]);
1406 if ($show_profile) {
1407 XML::addElement($doc, $author, "summary", BBCode::convertForUriId($owner['uri-id'], $owner["about"], BBCode::OSTATUS));
1410 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $owner["url"]];
1411 XML::addElement($doc, $author, "link", "", $attributes);
1415 "type" => "image/jpeg", // To-Do?
1416 "media:width" => Proxy::PIXEL_SMALL,
1417 "media:height" => Proxy::PIXEL_SMALL,
1418 "href" => User::getAvatarUrl($owner, Proxy::SIZE_SMALL)];
1419 XML::addElement($doc, $author, "link", "", $attributes);
1421 if (isset($owner["thumb"])) {
1424 "type" => "image/jpeg", // To-Do?
1425 "media:width" => Proxy::PIXEL_THUMB,
1426 "media:height" => Proxy::PIXEL_THUMB,
1427 "href" => User::getAvatarUrl($owner, Proxy::SIZE_THUMB)];
1428 XML::addElement($doc, $author, "link", "", $attributes);
1431 XML::addElement($doc, $author, "poco:preferredUsername", $owner["nick"]);
1432 XML::addElement($doc, $author, "poco:displayName", $owner["name"]);
1433 if ($show_profile) {
1434 XML::addElement($doc, $author, "poco:note", BBCode::convertForUriId($owner['uri-id'], $owner["about"], BBCode::OSTATUS));
1436 if (trim($owner["location"]) != "") {
1437 $element = $doc->createElement("poco:address");
1438 XML::addElement($doc, $element, "poco:formatted", $owner["location"]);
1439 $author->appendChild($element);
1443 if (DBA::isResult($profile) && !$show_profile) {
1444 if (trim($profile["homepage"]) != "") {
1445 $urls = $doc->createElement("poco:urls");
1446 XML::addElement($doc, $urls, "poco:type", "homepage");
1447 XML::addElement($doc, $urls, "poco:value", $profile["homepage"]);
1448 XML::addElement($doc, $urls, "poco:primary", "true");
1449 $author->appendChild($urls);
1452 XML::addElement($doc, $author, "followers", "", ["url" => DI::baseUrl() . "/profile/" . $owner["nick"] . "/contacts/followers"]);
1453 XML::addElement($doc, $author, "statusnet:profile_info", "", ["local_id" => $owner["uid"]]);
1455 if ($profile["publish"]) {
1456 XML::addElement($doc, $author, "mastodon:scope", "public");
1464 * @TODO Picture attachments should look like this:
1465 * <a href="https://status.pirati.ca/attachment/572819" title="https://status.pirati.ca/file/heluecht-20151202T222602-rd3u49p.gif"
1466 * class="attachment thumbnail" id="attachment-572819" rel="nofollow external">https://status.pirati.ca/attachment/572819</a>
1470 * Returns the given activity if present - otherwise returns the "post" activity
1472 * @param array $item Data of the item that is to be posted
1474 * @return string activity
1476 public static function constructVerb(array $item)
1478 if (!empty($item['verb'])) {
1479 return $item['verb'];
1482 return Activity::POST;
1486 * Returns the given object type if present - otherwise returns the "note" object type
1488 * @param array $item Data of the item that is to be posted
1490 * @return string Object type
1492 private static function constructObjecttype(array $item)
1494 if (!empty($item['object-type']) && in_array($item['object-type'], [Activity\ObjectType::NOTE, Activity\ObjectType::COMMENT])) {
1495 return $item['object-type'];
1498 return Activity\ObjectType::NOTE;
1502 * Adds an entry element to the XML document
1504 * @param DOMDocument $doc XML document
1505 * @param array $item Data of the item that is to be posted
1506 * @param array $owner Contact data of the poster
1507 * @param bool $toplevel optional default false
1509 * @return \DOMElement Entry element
1510 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1511 * @throws \ImagickException
1513 private static function entry(DOMDocument $doc, array $item, array $owner, $toplevel = false)
1515 if ($item["verb"] == Activity::LIKE) {
1516 return self::likeEntry($doc, $item, $owner, $toplevel);
1517 } elseif (in_array($item["verb"], [Activity::FOLLOW, Activity::O_UNFOLLOW])) {
1518 return self::followEntry($doc, $item, $owner, $toplevel);
1520 return self::noteEntry($doc, $item, $owner, $toplevel);
1525 * Adds an entry element with a "like"
1527 * @param DOMDocument $doc XML document
1528 * @param array $item Data of the item that is to be posted
1529 * @param array $owner Contact data of the poster
1530 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1532 * @return \DOMElement Entry element with "like"
1533 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1534 * @throws \ImagickException
1536 private static function likeEntry(DOMDocument $doc, array $item, array $owner, $toplevel)
1538 if (($item['gravity'] != GRAVITY_PARENT) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
1539 Logger::info("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.");
1542 $entry = self::entryHeader($doc, $owner, $item, $toplevel);
1544 $verb = ActivityNamespace::ACTIVITY_SCHEMA . "favorite";
1545 self::entryContent($doc, $entry, $item, $owner, "Favorite", $verb, false);
1547 $parent = Post::selectFirst([], ['uri' => $item["thr-parent"], 'uid' => $item["uid"]]);
1548 if (DBA::isResult($parent)) {
1549 $as_object = $doc->createElement("activity:object");
1551 XML::addElement($doc, $as_object, "activity:object-type", self::constructObjecttype($parent));
1553 self::entryContent($doc, $as_object, $parent, $owner, "New entry");
1555 $entry->appendChild($as_object);
1558 self::entryFooter($doc, $entry, $item, $owner);
1564 * Adds the person object element to the XML document
1566 * @param DOMDocument $doc XML document
1567 * @param array $owner Contact data of the poster
1568 * @param array $contact Contact data of the target
1570 * @return object author element
1572 private static function addPersonObject(DOMDocument $doc, array $owner, array $contact)
1574 $object = $doc->createElement("activity:object");
1575 XML::addElement($doc, $object, "activity:object-type", Activity\ObjectType::PERSON);
1577 if ($contact['network'] == Protocol::PHANTOM) {
1578 XML::addElement($doc, $object, "id", $contact['url']);
1582 XML::addElement($doc, $object, "id", $contact["alias"]);
1583 XML::addElement($doc, $object, "title", $contact["nick"]);
1585 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $contact["url"]];
1586 XML::addElement($doc, $object, "link", "", $attributes);
1590 "type" => "image/jpeg", // To-Do?
1591 "media:width" => 300,
1592 "media:height" => 300,
1593 "href" => $contact["photo"]];
1594 XML::addElement($doc, $object, "link", "", $attributes);
1596 XML::addElement($doc, $object, "poco:preferredUsername", $contact["nick"]);
1597 XML::addElement($doc, $object, "poco:displayName", $contact["name"]);
1599 if (trim($contact["location"]) != "") {
1600 $element = $doc->createElement("poco:address");
1601 XML::addElement($doc, $element, "poco:formatted", $contact["location"]);
1602 $object->appendChild($element);
1609 * Adds a follow/unfollow entry element
1611 * @param DOMDocument $doc XML document
1612 * @param array $item Data of the follow/unfollow message
1613 * @param array $owner Contact data of the poster
1614 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1616 * @return \DOMElement Entry element
1617 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1618 * @throws \ImagickException
1620 private static function followEntry(DOMDocument $doc, array $item, array $owner, $toplevel)
1622 $item["id"] = $item['parent'] = 0;
1623 $item["created"] = $item["edited"] = date("c");
1624 $item["private"] = Item::PRIVATE;
1626 $contact = Contact::getByURL($item['follow']);
1627 $item['follow'] = $contact['url'];
1629 if ($contact['alias']) {
1630 $item['follow'] = $contact['alias'];
1632 $contact['alias'] = $contact['url'];
1635 $condition = ['uid' => $owner['uid'], 'nurl' => Strings::normaliseLink($contact["url"])];
1636 $user_contact = DBA::selectFirst('contact', ['id'], $condition);
1638 if (DBA::isResult($user_contact)) {
1639 $connect_id = $user_contact['id'];
1644 if ($item['verb'] == Activity::FOLLOW) {
1645 $message = DI::l10n()->t('%s is now following %s.');
1646 $title = DI::l10n()->t('following');
1647 $action = "subscription";
1649 $message = DI::l10n()->t('%s stopped following %s.');
1650 $title = DI::l10n()->t('stopped following');
1651 $action = "unfollow";
1654 $item["uri"] = $item['parent-uri'] = $item['thr-parent']
1655 = 'tag:' . DI::baseUrl()->getHostname().
1656 ','.date('Y-m-d').':'.$action.':'.$owner['uid'].
1657 ':person:'.$connect_id.':'.$item['created'];
1659 $item["body"] = sprintf($message, $owner["nick"], $contact["nick"]);
1661 $entry = self::entryHeader($doc, $owner, $item, $toplevel);
1663 self::entryContent($doc, $entry, $item, $owner, $title);
1665 $object = self::addPersonObject($doc, $owner, $contact);
1666 $entry->appendChild($object);
1668 self::entryFooter($doc, $entry, $item, $owner);
1674 * Adds a regular entry element
1676 * @param DOMDocument $doc XML document
1677 * @param array $item Data of the item that is to be posted
1678 * @param array $owner Contact data of the poster
1679 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1681 * @return \DOMElement Entry element
1682 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1683 * @throws \ImagickException
1685 private static function noteEntry(DOMDocument $doc, array $item, array $owner, $toplevel)
1687 if (($item['gravity'] != GRAVITY_PARENT) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
1688 Logger::info("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.");
1692 if (!empty($item['title'])) {
1693 $title = BBCode::convertForUriId($item['uri-id'], $item['title'], BBCode::OSTATUS);
1695 $title = sprintf("New note by %s", $owner["nick"]);
1698 $title = sprintf("New comment by %s", $owner["nick"]);
1701 $entry = self::entryHeader($doc, $owner, $item, $toplevel);
1703 XML::addElement($doc, $entry, "activity:object-type", Activity\ObjectType::NOTE);
1705 self::entryContent($doc, $entry, $item, $owner, $title, '', true);
1707 self::entryFooter($doc, $entry, $item, $owner, true);
1713 * Adds a header element to the XML document
1715 * @param DOMDocument $doc XML document
1716 * @param array $owner Contact data of the poster
1717 * @param array $item
1718 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1720 * @return \DOMElement The entry element where the elements are added
1721 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1722 * @throws \ImagickException
1724 public static function entryHeader(DOMDocument $doc, array $owner, array $item, $toplevel)
1727 $entry = $doc->createElement("entry");
1729 if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
1730 $contact = Contact::getByURL($item['author-link']) ?: $owner;
1731 $author = self::addAuthor($doc, $contact, false);
1732 $entry->appendChild($author);
1735 $entry = $doc->createElementNS(ActivityNamespace::ATOM1, "entry");
1737 $entry->setAttribute("xmlns:thr", ActivityNamespace::THREAD);
1738 $entry->setAttribute("xmlns:georss", ActivityNamespace::GEORSS);
1739 $entry->setAttribute("xmlns:activity", ActivityNamespace::ACTIVITY);
1740 $entry->setAttribute("xmlns:media", ActivityNamespace::MEDIA);
1741 $entry->setAttribute("xmlns:poco", ActivityNamespace::POCO);
1742 $entry->setAttribute("xmlns:ostatus", ActivityNamespace::OSTATUS);
1743 $entry->setAttribute("xmlns:statusnet", ActivityNamespace::STATUSNET);
1744 $entry->setAttribute("xmlns:mastodon", ActivityNamespace::MASTODON);
1746 $author = self::addAuthor($doc, $owner);
1747 $entry->appendChild($author);
1754 * Adds elements to the XML document
1756 * @param DOMDocument $doc XML document
1757 * @param \DOMElement $entry Entry element where the content is added
1758 * @param array $item Data of the item that is to be posted
1759 * @param array $owner Contact data of the poster
1760 * @param string $title Title for the post
1761 * @param string $verb The activity verb
1762 * @param bool $complete Add the "status_net" element?
1764 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1766 private static function entryContent(DOMDocument $doc, \DOMElement $entry, array $item, array $owner, $title, $verb = "", $complete = true)
1769 $verb = self::constructVerb($item);
1772 XML::addElement($doc, $entry, "id", $item["uri"]);
1773 XML::addElement($doc, $entry, "title", html_entity_decode($title, ENT_QUOTES, 'UTF-8'));
1775 $body = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body']);
1776 $body = self::formatPicturePost($body, $item['uri-id']);
1778 if (!empty($item['title'])) {
1779 $body = "[b]".$item['title']."[/b]\n\n".$body;
1782 $body = BBCode::convertForUriId($item['uri-id'], $body, BBCode::OSTATUS);
1784 XML::addElement($doc, $entry, "content", $body, ["type" => "html"]);
1786 XML::addElement($doc, $entry, "link", "", ["rel" => "alternate", "type" => "text/html",
1787 "href" => DI::baseUrl()."/display/".$item["guid"]]
1790 if ($complete && ($item["id"] > 0)) {
1791 XML::addElement($doc, $entry, "status_net", "", ["notice_id" => $item["id"]]);
1794 XML::addElement($doc, $entry, "activity:verb", $verb);
1796 XML::addElement($doc, $entry, "published", DateTimeFormat::utc($item["created"]."+00:00", DateTimeFormat::ATOM));
1797 XML::addElement($doc, $entry, "updated", DateTimeFormat::utc($item["edited"]."+00:00", DateTimeFormat::ATOM));
1801 * Adds the elements at the foot of an entry to the XML document
1803 * @param DOMDocument $doc XML document
1804 * @param object $entry The entry element where the elements are added
1805 * @param array $item Data of the item that is to be posted
1806 * @param array $owner Contact data of the poster
1807 * @param bool $complete default true
1809 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1811 private static function entryFooter(DOMDocument $doc, $entry, array $item, array $owner, $complete = true)
1815 if ($item['gravity'] != GRAVITY_PARENT) {
1816 $parent = Post::selectFirst(['guid', 'author-link', 'owner-link'], ['id' => $item['parent']]);
1818 $thrparent = Post::selectFirst(['guid', 'author-link', 'owner-link', 'plink'], ['uid' => $owner['uid'], 'uri' => $item['thr-parent']]);
1820 if (DBA::isResult($thrparent)) {
1821 $mentioned[$thrparent['author-link']] = $thrparent['author-link'];
1822 $mentioned[$thrparent['owner-link']] = $thrparent['owner-link'];
1823 $parent_plink = $thrparent['plink'];
1824 } elseif (DBA::isResult($parent)) {
1825 $mentioned[$parent['author-link']] = $parent['author-link'];
1826 $mentioned[$parent['owner-link']] = $parent['owner-link'];
1827 $parent_plink = DI::baseUrl() . '/display/' . $parent['guid'];
1829 DI::logger()->notice('Missing parent and thr-parent for child item', ['item' => $item]);
1832 if (isset($parent_plink)) {
1834 'ref' => $item['thr-parent'],
1835 'href' => $parent_plink];
1836 XML::addElement($doc, $entry, 'thr:in-reply-to', '', $attributes);
1840 'href' => $parent_plink];
1841 XML::addElement($doc, $entry, 'link', '', $attributes);
1845 if (intval($item['parent']) > 0) {
1846 $conversation_href = $conversation_uri = str_replace('/objects/', '/context/', $item['thr-parent']);
1848 if (isset($parent_item)) {
1849 $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $parent_item]);
1850 if (DBA::isResult($conversation)) {
1851 if ($conversation['conversation-uri'] != '') {
1852 $conversation_uri = $conversation['conversation-uri'];
1854 if ($conversation['conversation-href'] != '') {
1855 $conversation_href = $conversation['conversation-href'];
1860 XML::addElement($doc, $entry, "link", "", ["rel" => "ostatus:conversation", "href" => $conversation_href]);
1863 "href" => $conversation_href,
1864 "local_id" => $item['parent'],
1865 "ref" => $conversation_uri];
1867 XML::addElement($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
1870 // uri-id isn't present for follow entry pseudo-items
1871 $tags = Tag::getByURIId($item['uri-id'] ?? 0);
1872 foreach ($tags as $tag) {
1873 $mentioned[$tag['url']] = $tag['url'];
1876 // Make sure that mentions are accepted (GNU Social has problems with mixing HTTP and HTTPS)
1878 foreach ($mentioned as $mention) {
1879 $newmentions[str_replace("http://", "https://", $mention)] = str_replace("http://", "https://", $mention);
1880 $newmentions[str_replace("https://", "http://", $mention)] = str_replace("https://", "http://", $mention);
1882 $mentioned = $newmentions;
1884 foreach ($mentioned as $mention) {
1885 $contact = Contact::getByURL($mention, false, ['contact-type']);
1886 if (!empty($contact) && ($contact['contact-type'] == Contact::TYPE_COMMUNITY)) {
1887 XML::addElement($doc, $entry, "link", "",
1889 "rel" => "mentioned",
1890 "ostatus:object-type" => Activity\ObjectType::GROUP,
1894 XML::addElement($doc, $entry, "link", "",
1896 "rel" => "mentioned",
1897 "ostatus:object-type" => Activity\ObjectType::PERSON,
1903 if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
1904 XML::addElement($doc, $entry, "link", "", [
1905 "rel" => "mentioned",
1906 "ostatus:object-type" => "http://activitystrea.ms/schema/1.0/group",
1907 "href" => $owner['url']
1911 if ($item['private'] != Item::PRIVATE) {
1912 XML::addElement($doc, $entry, "link", "", ["rel" => "ostatus:attention",
1913 "href" => "http://activityschema.org/collection/public"]);
1914 XML::addElement($doc, $entry, "link", "", ["rel" => "mentioned",
1915 "ostatus:object-type" => "http://activitystrea.ms/schema/1.0/collection",
1916 "href" => "http://activityschema.org/collection/public"]);
1917 XML::addElement($doc, $entry, "mastodon:scope", "public");
1920 foreach ($tags as $tag) {
1921 if ($tag['type'] == Tag::HASHTAG) {
1922 XML::addElement($doc, $entry, "category", "", ["term" => $tag['name']]);
1926 self::getAttachment($doc, $entry, $item);
1928 if ($complete && ($item["id"] > 0)) {
1929 $app = $item["app"];
1934 $attributes = ["local_id" => $item["id"], "source" => $app];
1936 if (isset($parent["id"])) {
1937 $attributes["repeat_of"] = $parent["id"];
1940 if ($item["coord"] != "") {
1941 XML::addElement($doc, $entry, "georss:point", $item["coord"]);
1944 XML::addElement($doc, $entry, "statusnet:notice_info", "", $attributes);
1949 * Creates the XML feed for a given nickname
1951 * Supported filters:
1952 * - activity (default): all the public posts
1953 * - posts: all the public top-level posts
1954 * - comments: all the public replies
1956 * Updates the provided last_update parameter if the result comes from the
1957 * cache or it is empty
1959 * @param string $owner_nick Nickname of the feed owner
1960 * @param string $last_update Date of the last update
1961 * @param integer $max_items Number of maximum items to fetch
1962 * @param string $filter Feed items filter (activity, posts or comments)
1963 * @param boolean $nocache Wether to bypass caching
1965 * @return string XML feed
1966 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1967 * @throws \ImagickException
1969 public static function feed($owner_nick, &$last_update, $max_items = 300, $filter = 'activity', $nocache = false)
1971 $stamp = microtime(true);
1973 $owner = User::getOwnerDataByNick($owner_nick);
1978 $cachekey = "ostatus:feed:" . $owner_nick . ":" . $filter . ":" . $last_update;
1980 $previous_created = $last_update;
1982 // Don't cache when the last item was posted less then 15 minutes ago (Cache duration)
1983 if ((time() - strtotime($owner['last-item'])) < 15*60) {
1984 $result = DI::cache()->get($cachekey);
1985 if (!$nocache && !is_null($result)) {
1986 Logger::info('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created . ' (cached)');
1987 $last_update = $result['last_update'];
1988 return $result['feed'];
1992 if (!strlen($last_update)) {
1993 $last_update = 'now -30 days';
1996 $check_date = DateTimeFormat::utc($last_update);
1997 $authorid = Contact::getIdForURL($owner["url"]);
1999 $condition = ["`uid` = ? AND `received` > ? AND NOT `deleted`
2000 AND `private` != ? AND `visible` AND `wall` AND `parent-network` IN (?, ?)",
2001 $owner["uid"], $check_date, Item::PRIVATE, Protocol::OSTATUS, Protocol::DFRN];
2003 if ($filter === 'comments') {
2004 $condition[0] .= " AND `object-type` = ? ";
2005 $condition[] = Activity\ObjectType::COMMENT;
2008 if ($owner['contact-type'] != Contact::TYPE_COMMUNITY) {
2009 $condition[0] .= " AND `contact-id` = ? AND `author-id` = ?";
2010 $condition[] = $owner["id"];
2011 $condition[] = $authorid;
2014 $params = ['order' => ['received' => true], 'limit' => $max_items];
2016 if ($filter === 'posts') {
2017 $ret = Post::selectThread([], $condition, $params);
2019 $ret = Post::select([], $condition, $params);
2022 $items = Post::toArray($ret);
2024 $doc = new DOMDocument('1.0', 'utf-8');
2025 $doc->formatOutput = true;
2027 $root = self::addHeader($doc, $owner, $filter);
2029 foreach ($items as $item) {
2030 if (DI::config()->get('system', 'ostatus_debug')) {
2031 $item['body'] .= '🍼';
2034 if (in_array($item["verb"], [Activity::FOLLOW, Activity::O_UNFOLLOW, Activity::LIKE])) {
2038 $entry = self::entry($doc, $item, $owner, false);
2039 $root->appendChild($entry);
2041 if ($last_update < $item['created']) {
2042 $last_update = $item['created'];
2046 $feeddata = trim($doc->saveXML());
2048 $msg = ['feed' => $feeddata, 'last_update' => $last_update];
2049 DI::cache()->set($cachekey, $msg, Duration::QUARTER_HOUR);
2051 Logger::info('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created);
2057 * Creates the XML for a salmon message
2059 * @param array $item Data of the item that is to be posted
2060 * @param array $owner Contact data of the poster
2062 * @return string XML for the salmon
2063 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2064 * @throws \ImagickException
2066 public static function salmon(array $item, array $owner)
2068 $doc = new DOMDocument('1.0', 'utf-8');
2069 $doc->formatOutput = true;
2071 if (DI::config()->get('system', 'ostatus_debug')) {
2072 $item['body'] .= '🐟';
2075 $entry = self::entry($doc, $item, $owner, true);
2077 $doc->appendChild($entry);
2079 return trim($doc->saveXML());
2083 * Checks if the given contact url does support OStatus
2085 * @param string $url profile url
2087 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2088 * @throws \ImagickException
2090 public static function isSupportedByContactUrl($url)
2092 $probe = Probe::uri($url, Protocol::OSTATUS);
2093 return $probe['network'] == Protocol::OSTATUS;