3 * @file src/Protocol/OStatus.php
5 namespace Friendica\Protocol;
9 use Friendica\Content\Text\BBCode;
10 use Friendica\Content\Text\HTML;
11 use Friendica\Core\Cache\Duration;
12 use Friendica\Core\Logger;
13 use Friendica\Core\Protocol;
14 use Friendica\Database\DBA;
16 use Friendica\Model\APContact;
17 use Friendica\Model\Contact;
18 use Friendica\Model\Conversation;
19 use Friendica\Model\GContact;
20 use Friendica\Model\Item;
21 use Friendica\Model\User;
22 use Friendica\Network\Probe;
23 use Friendica\Util\DateTimeFormat;
24 use Friendica\Util\Images;
25 use Friendica\Util\Network;
26 use Friendica\Util\Proxy as ProxyUtils;
27 use Friendica\Util\Strings;
28 use Friendica\Util\XML;
30 require_once 'mod/share.php';
31 require_once 'include/api.php';
34 * This class contain functions for the OStatus protocol
38 private static $itemlist;
39 private static $conv_list = [];
44 * @param DOMXPath $xpath The xpath object
45 * @param object $context The xml context of the author details
46 * @param array $importer user record of the importing user
47 * @param array $contact Called by reference, will contain the fetched contact
48 * @param bool $onlyfetch Only fetch the header without updating the contact entries
50 * @return array Array of author related entries for the item
51 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
52 * @throws \ImagickException
54 private static function fetchAuthor(DOMXPath $xpath, $context, array $importer, array &$contact = null, $onlyfetch)
57 $author["author-link"] = XML::getFirstNodeValue($xpath, 'atom:author/atom:uri/text()', $context);
58 $author["author-name"] = XML::getFirstNodeValue($xpath, 'atom:author/atom:name/text()', $context);
59 $addr = XML::getFirstNodeValue($xpath, 'atom:author/atom:email/text()', $context);
61 $aliaslink = $author["author-link"];
63 $alternate_item = $xpath->query("atom:author/atom:link[@rel='alternate']", $context)->item(0);
64 if (is_object($alternate_item)) {
65 foreach ($alternate_item->attributes as $attributes) {
66 if (($attributes->name == "href") && ($attributes->textContent != "")) {
67 $author["author-link"] = $attributes->textContent;
71 $author["author-id"] = Contact::getIdForURL($author["author-link"]);
73 $author['contact-id'] = ($contact['id'] ?? 0) ?: $author['author-id'];
78 This here would be better, but we would get problems with contacts from the statusnet addon
79 This is kept here as a reminder for the future
81 $cid = Contact::getIdForURL($author["author-link"], $importer["uid"]);
83 $contact = DBA::selectFirst('contact', [], ['id' => $cid]);
86 if ($aliaslink != '') {
87 $condition = ["`uid` = ? AND `alias` = ? AND `network` != ? AND `rel` IN (?, ?)",
88 $importer["uid"], $aliaslink, Protocol::STATUSNET,
89 Contact::SHARING, Contact::FRIEND];
90 $contact = DBA::selectFirst('contact', [], $condition);
93 if (!DBA::isResult($contact) && $author["author-link"] != '') {
94 if ($aliaslink == "") {
95 $aliaslink = $author["author-link"];
98 $condition = ["`uid` = ? AND `nurl` IN (?, ?) AND `network` != ? AND `rel` IN (?, ?)",
99 $importer["uid"], Strings::normaliseLink($author["author-link"]), Strings::normaliseLink($aliaslink),
100 Protocol::STATUSNET, Contact::SHARING, Contact::FRIEND];
101 $contact = DBA::selectFirst('contact', [], $condition);
104 if (!DBA::isResult($contact) && ($addr != '')) {
105 $condition = ["`uid` = ? AND `addr` = ? AND `network` != ? AND `rel` IN (?, ?)",
106 $importer["uid"], $addr, Protocol::STATUSNET,
107 Contact::SHARING, Contact::FRIEND];
108 $contact = DBA::selectFirst('contact', [], $condition);
111 if (DBA::isResult($contact)) {
112 if ($contact['blocked']) {
114 } elseif (!empty(APContact::getByURL($contact['url'], false))) {
115 ActivityPub\Receiver::switchContact($contact['id'], $importer['uid'], $contact['url']);
117 $author["contact-id"] = $contact["id"];
121 $avatars = $xpath->query("atom:author/atom:link[@rel='avatar']", $context);
122 foreach ($avatars as $avatar) {
125 foreach ($avatar->attributes as $attributes) {
126 if ($attributes->name == "href") {
127 $href = $attributes->textContent;
129 if ($attributes->name == "width") {
130 $width = $attributes->textContent;
134 $avatarlist[$width] = $href;
137 if (count($avatarlist) > 0) {
139 $author["author-avatar"] = Probe::fixAvatar(current($avatarlist), $author["author-link"]);
142 $displayname = XML::getFirstNodeValue($xpath, 'atom:author/poco:displayName/text()', $context);
143 if ($displayname != "") {
144 $author["author-name"] = $displayname;
147 $author["owner-id"] = $author["author-id"];
149 // Only update the contacts if it is an OStatus contact
150 if (DBA::isResult($contact) && ($contact['id'] > 0) && !$onlyfetch && ($contact["network"] == Protocol::OSTATUS)) {
152 // Update contact data
154 unset($current['name-date']);
156 // This query doesn't seem to work
157 // $value = $xpath->query("atom:link[@rel='salmon']", $context)->item(0)->nodeValue;
159 // $contact["notify"] = $value;
161 // This query doesn't seem to work as well - I hate these queries
162 // $value = $xpath->query("atom:link[@rel='self' and @type='application/atom+xml']", $context)->item(0)->nodeValue;
164 // $contact["poll"] = $value;
166 $contact['url'] = $author["author-link"];
167 $contact['nurl'] = Strings::normaliseLink($contact['url']);
169 $value = XML::getFirstNodeValue($xpath, 'atom:author/atom:uri/text()', $context);
171 $contact["alias"] = $value;
174 $value = XML::getFirstNodeValue($xpath, 'atom:author/poco:displayName/text()', $context);
176 $contact["name"] = $value;
179 $value = XML::getFirstNodeValue($xpath, 'atom:author/poco:preferredUsername/text()', $context);
181 $contact["nick"] = $value;
184 $value = XML::getFirstNodeValue($xpath, 'atom:author/poco:note/text()', $context);
186 $contact["about"] = HTML::toBBCode($value);
189 $value = XML::getFirstNodeValue($xpath, 'atom:author/poco:address/poco:formatted/text()', $context);
191 $contact["location"] = $value;
194 $contact['name-date'] = DateTimeFormat::utcNow();
196 DBA::update('contact', $contact, ['id' => $contact["id"]], $current);
198 if (!empty($author["author-avatar"]) && ($author["author-avatar"] != $current['avatar'])) {
199 Logger::log("Update profile picture for contact ".$contact["id"], Logger::DEBUG);
200 Contact::updateAvatar($author["author-avatar"], $importer["uid"], $contact["id"]);
203 // Ensure that we are having this contact (with uid=0)
204 $cid = Contact::getIdForURL($aliaslink, 0, true);
207 $fields = ['url', 'nurl', 'name', 'nick', 'alias', 'about', 'location'];
208 $old_contact = DBA::selectFirst('contact', $fields, ['id' => $cid]);
210 // Update it with the current values
211 $fields = ['url' => $author["author-link"], 'name' => $contact["name"],
212 'nurl' => Strings::normaliseLink($author["author-link"]),
213 'nick' => $contact["nick"], 'alias' => $contact["alias"],
214 'about' => $contact["about"], 'location' => $contact["location"],
215 'success_update' => DateTimeFormat::utcNow(), 'last-update' => DateTimeFormat::utcNow()];
217 DBA::update('contact', $fields, ['id' => $cid], $old_contact);
220 if (!empty($author["author-avatar"])) {
221 Contact::updateAvatar($author["author-avatar"], 0, $cid);
225 $contact["generation"] = 2;
226 $contact["hide"] = false; // OStatus contacts are never hidden
227 if (!empty($author["author-avatar"])) {
228 $contact["photo"] = $author["author-avatar"];
230 $gcid = GContact::update($contact);
232 GContact::link($gcid, $contact["uid"], $contact["id"]);
233 } elseif ($contact["network"] != Protocol::DFRN) {
241 * Fetches author data from a given XML string
243 * @param string $xml The XML
244 * @param array $importer user record of the importing user
246 * @return array Array of author related entries for the item
247 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
248 * @throws \ImagickException
250 public static function salmonAuthor($xml, array $importer)
256 $doc = new DOMDocument();
257 @$doc->loadXML($xml);
259 $xpath = new DOMXPath($doc);
260 $xpath->registerNamespace('atom', ActivityNamespace::ATOM1);
261 $xpath->registerNamespace('thr', ActivityNamespace::THREAD);
262 $xpath->registerNamespace('georss', ActivityNamespace::GEORSS);
263 $xpath->registerNamespace('activity', ActivityNamespace::ACTIVITY);
264 $xpath->registerNamespace('media', ActivityNamespace::MEDIA);
265 $xpath->registerNamespace('poco', ActivityNamespace::POCO);
266 $xpath->registerNamespace('ostatus', ActivityNamespace::OSTATUS);
267 $xpath->registerNamespace('statusnet', ActivityNamespace::STATUSNET);
269 $contact = ["id" => 0];
271 // Fetch the first author
272 $authordata = $xpath->query('//author')->item(0);
273 $author = self::fetchAuthor($xpath, $authordata, $importer, $contact, true);
278 * Read attributes from element
280 * @param object $element Element object
282 * @return array attributes
284 private static function readAttributes($element)
288 foreach ($element->attributes as $attributes) {
289 $attribute[$attributes->name] = $attributes->textContent;
296 * Imports an XML string containing OStatus elements
298 * @param string $xml The XML
299 * @param array $importer user record of the importing user
300 * @param array $contact contact
301 * @param string $hub Called by reference, returns the fetched hub data
303 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
304 * @throws \ImagickException
306 public static function import($xml, array $importer, array &$contact, &$hub)
308 self::process($xml, $importer, $contact, $hub);
312 * Internal feed processing
314 * @param string $xml The XML
315 * @param array $importer user record of the importing user
316 * @param array $contact contact
317 * @param string $hub Called by reference, returns the fetched hub data
318 * @param boolean $stored Is the post fresh imported or from the database?
319 * @param boolean $initialize Is it the leading post so that data has to be initialized?
321 * @return boolean Could the XML be processed?
322 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
323 * @throws \ImagickException
325 private static function process($xml, array $importer, array &$contact = null, &$hub, $stored = false, $initialize = true)
328 self::$itemlist = [];
329 self::$conv_list = [];
332 Logger::log('Import OStatus message for user ' . $importer['uid'], Logger::DEBUG);
337 $doc = new DOMDocument();
338 @$doc->loadXML($xml);
340 $xpath = new DOMXPath($doc);
341 $xpath->registerNamespace('atom', ActivityNamespace::ATOM1);
342 $xpath->registerNamespace('thr', ActivityNamespace::THREAD);
343 $xpath->registerNamespace('georss', ActivityNamespace::GEORSS);
344 $xpath->registerNamespace('activity', ActivityNamespace::ACTIVITY);
345 $xpath->registerNamespace('media', ActivityNamespace::MEDIA);
346 $xpath->registerNamespace('poco', ActivityNamespace::POCO);
347 $xpath->registerNamespace('ostatus', ActivityNamespace::OSTATUS);
348 $xpath->registerNamespace('statusnet', ActivityNamespace::STATUSNET);
351 $hub_items = $xpath->query("/atom:feed/atom:link[@rel='hub']")->item(0);
352 if (is_object($hub_items)) {
353 $hub_attributes = $hub_items->attributes;
354 if (is_object($hub_attributes)) {
355 foreach ($hub_attributes as $hub_attribute) {
356 if ($hub_attribute->name == "href") {
357 $hub = $hub_attribute->textContent;
358 Logger::log("Found hub ".$hub, Logger::DEBUG);
365 $header["uid"] = $importer["uid"];
366 $header["network"] = Protocol::OSTATUS;
368 $header["origin"] = 0;
369 $header["gravity"] = GRAVITY_COMMENT;
371 if (!is_object($doc->firstChild) || empty($doc->firstChild->tagName)) {
375 $first_child = $doc->firstChild->tagName;
377 if ($first_child == "feed") {
378 $entries = $xpath->query('/atom:feed/atom:entry');
380 $entries = $xpath->query('/atom:entry');
383 if ($entries->length == 1) {
384 // We reformat the XML to make it better readable
385 $doc2 = new DOMDocument();
386 $doc2->loadXML($xml);
387 $doc2->preserveWhiteSpace = false;
388 $doc2->formatOutput = true;
389 $xml2 = $doc2->saveXML();
391 $header["protocol"] = Conversation::PARCEL_SALMON;
392 $header["source"] = $xml2;
393 } elseif (!$initialize) {
397 // Fetch the first author
398 $authordata = $xpath->query('//author')->item(0);
399 $author = self::fetchAuthor($xpath, $authordata, $importer, $contact, $stored);
401 // Reverse the order of the entries
404 foreach ($entries as $entry) {
405 $entrylist[] = $entry;
408 foreach (array_reverse($entrylist) as $entry) {
410 $authorelement = $xpath->query('/atom:entry/atom:author', $entry);
412 if ($authorelement->length == 0) {
413 $authorelement = $xpath->query('atom:author', $entry);
416 if ($authorelement->length > 0) {
417 $author = self::fetchAuthor($xpath, $entry, $importer, $contact, $stored);
420 $item = array_merge($header, $author);
422 $item["uri"] = XML::getFirstNodeValue($xpath, 'atom:id/text()', $entry);
424 $item["verb"] = XML::getFirstNodeValue($xpath, 'activity:verb/text()', $entry);
427 if (in_array($item["verb"], ['qvitter-delete-notice', Activity::DELETE, 'delete'])) {
428 self::deleteNotice($item);
432 if (in_array($item["verb"], [Activity::O_UNFAVOURITE, Activity::UNFAVORITE])) {
433 // Ignore "Unfavorite" message
434 Logger::log("Ignore unfavorite message ".print_r($item, true), Logger::DEBUG);
438 // Deletions come with the same uri, so we check for duplicates after processing deletions
439 if (Item::exists(['uid' => $importer["uid"], 'uri' => $item["uri"]])) {
440 Logger::log('Post with URI '.$item["uri"].' already existed for user '.$importer["uid"].'.', Logger::DEBUG);
443 Logger::log('Processing post with URI '.$item["uri"].' for user '.$importer["uid"].'.', Logger::DEBUG);
446 if ($item["verb"] == Activity::JOIN) {
447 // ignore "Join" messages
448 Logger::log("Ignore join message ".print_r($item, true), Logger::DEBUG);
452 if ($item["verb"] == "http://mastodon.social/schema/1.0/block") {
453 // ignore mastodon "block" messages
454 Logger::log("Ignore block message ".print_r($item, true), Logger::DEBUG);
458 if ($item["verb"] == Activity::FOLLOW) {
459 Contact::addRelationship($importer, $contact, $item);
463 if ($item["verb"] == Activity::O_UNFOLLOW) {
465 Contact::removeFollower($importer, $contact, $item, $dummy);
469 if ($item["verb"] == Activity::FAVORITE) {
470 $orig_uri = $xpath->query("activity:object/atom:id", $entry)->item(0)->nodeValue;
471 Logger::log("Favorite ".$orig_uri." ".print_r($item, true));
473 $item["verb"] = Activity::LIKE;
474 $item["parent-uri"] = $orig_uri;
475 $item["gravity"] = GRAVITY_ACTIVITY;
476 $item["object-type"] = Activity\ObjectType::NOTE;
479 // http://activitystrea.ms/schema/1.0/rsvp-yes
480 if (!in_array($item["verb"], [Activity::POST, Activity::LIKE, Activity::SHARE])) {
481 Logger::log("Unhandled verb ".$item["verb"]." ".print_r($item, true), Logger::DEBUG);
484 self::processPost($xpath, $entry, $item, $importer);
486 if ($initialize && (count(self::$itemlist) > 0)) {
487 if (self::$itemlist[0]['uri'] == self::$itemlist[0]['parent-uri']) {
488 // We will import it everytime, when it is started by our contacts
489 $valid = Contact::isSharingByURL(self::$itemlist[0]['author-link'], self::$itemlist[0]['uid']);
492 // If not, then it depends on this setting
493 $valid = ((self::$itemlist[0]['uid'] == 0) || !DI::pConfig()->get(self::$itemlist[0]['uid'], 'system', 'accept_only_sharer', false));
495 Logger::log("Item with uri ".self::$itemlist[0]['uri']." will be imported due to the system settings.", Logger::DEBUG);
498 Logger::log("Item with uri ".self::$itemlist[0]['uri']." belongs to a contact (".self::$itemlist[0]['contact-id']."). It will be imported.", Logger::DEBUG);
501 // Never post a thread when the only interaction by our contact was a like
503 $verbs = [Activity::POST, Activity::SHARE];
504 foreach (self::$itemlist as $item) {
505 if (in_array($item['verb'], $verbs) && Contact::isSharingByURL($item['author-link'], $item['uid'])) {
510 Logger::log("Item with uri ".self::$itemlist[0]['uri']." will be imported since the thread contains posts or shares.", Logger::DEBUG);
514 // But we will only import complete threads
515 $valid = Item::exists(['uid' => $importer["uid"], 'uri' => self::$itemlist[0]['parent-uri']]);
517 Logger::log("Item with uri ".self::$itemlist[0]["uri"]." belongs to parent ".self::$itemlist[0]['parent-uri']." of user ".$importer["uid"].". It will be imported.", Logger::DEBUG);
522 $default_contact = 0;
523 for ($key = count(self::$itemlist) - 1; $key >= 0; $key--) {
524 if (empty(self::$itemlist[$key]['contact-id'])) {
525 self::$itemlist[$key]['contact-id'] = $default_contact;
527 $default_contact = $item['contact-id'];
530 foreach (self::$itemlist as $item) {
531 $found = Item::exists(['uid' => $importer["uid"], 'uri' => $item["uri"]]);
533 Logger::log("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already exists.", Logger::DEBUG);
534 } elseif ($item['contact-id'] < 0) {
535 Logger::log("Item with uri ".$item["uri"]." is from a blocked contact.", Logger::DEBUG);
537 // We are having duplicated entries. Hopefully this solves it.
538 if (DI::lock()->acquire('ostatus_process_item_insert')) {
539 $ret = Item::insert($item);
540 DI::lock()->release('ostatus_process_item_insert');
541 Logger::log("Item with uri ".$item["uri"]." for user ".$importer["uid"].' stored. Return value: '.$ret);
543 $ret = Item::insert($item);
544 Logger::log("We couldn't lock - but tried to store the item anyway. Return value is ".$ret);
549 self::$itemlist = [];
551 Logger::log('Processing done for post with URI '.$item["uri"].' for user '.$importer["uid"].'.', Logger::DEBUG);
557 * Removes notice item from database
559 * @param array $item item
563 private static function deleteNotice(array $item)
565 $condition = ['uid' => $item['uid'], 'author-id' => $item['author-id'], 'uri' => $item['uri']];
566 if (!Item::exists($condition)) {
567 Logger::log('Item from '.$item['author-link'].' with uri '.$item['uri'].' for user '.$item['uid']." wasn't found. We don't delete it.");
571 Item::delete($condition);
573 Logger::log('Deleted item with uri '.$item['uri'].' for user '.$item['uid']);
577 * Processes the XML for a post
579 * @param DOMXPath $xpath The xpath object
580 * @param object $entry The xml entry that is processed
581 * @param array $item The item array
582 * @param array $importer user record of the importing user
584 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
585 * @throws \ImagickException
587 private static function processPost(DOMXPath $xpath, $entry, array &$item, array $importer)
589 $item["body"] = HTML::toBBCode(XML::getFirstNodeValue($xpath, 'atom:content/text()', $entry));
590 $item["object-type"] = XML::getFirstNodeValue($xpath, 'activity:object-type/text()', $entry);
591 if (($item["object-type"] == Activity\ObjectType::BOOKMARK) || ($item["object-type"] == Activity\ObjectType::EVENT)) {
592 $item["title"] = XML::getFirstNodeValue($xpath, 'atom:title/text()', $entry);
593 $item["body"] = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $entry);
594 } elseif ($item["object-type"] == Activity\ObjectType::QUESTION) {
595 $item["title"] = XML::getFirstNodeValue($xpath, 'atom:title/text()', $entry);
598 $item["created"] = XML::getFirstNodeValue($xpath, 'atom:published/text()', $entry);
599 $item["edited"] = XML::getFirstNodeValue($xpath, 'atom:updated/text()', $entry);
600 $item['conversation-uri'] = XML::getFirstNodeValue($xpath, 'ostatus:conversation/text()', $entry);
602 $conv = $xpath->query('ostatus:conversation', $entry);
603 if (is_object($conv->item(0))) {
604 foreach ($conv->item(0)->attributes as $attributes) {
605 if ($attributes->name == "ref") {
606 $item['conversation-uri'] = $attributes->textContent;
608 if ($attributes->name == "href") {
609 $item['conversation-href'] = $attributes->textContent;
616 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
617 if (is_object($inreplyto->item(0))) {
618 foreach ($inreplyto->item(0)->attributes as $attributes) {
619 if ($attributes->name == "ref") {
620 $item["parent-uri"] = $attributes->textContent;
622 if ($attributes->name == "href") {
623 $related = $attributes->textContent;
628 $georsspoint = $xpath->query('georss:point', $entry);
629 if (!empty($georsspoint) && ($georsspoint->length > 0)) {
630 $item["coord"] = $georsspoint->item(0)->nodeValue;
633 $categories = $xpath->query('atom:category', $entry);
635 foreach ($categories as $category) {
636 foreach ($category->attributes as $attributes) {
637 if ($attributes->name == 'term') {
638 $term = $attributes->textContent;
639 if (!empty($item['tag'])) {
645 $item['tag'] .= '#[url=' . DI::baseUrl() . '/search?tag=' . $term . ']' . $term . '[/url]';
654 $links = $xpath->query('atom:link', $entry);
656 $link_data = self::processLinks($links, $item);
657 $self = $link_data['self'];
658 $add_body = $link_data['add_body'];
663 $notice_info = $xpath->query('statusnet:notice_info', $entry);
664 if ($notice_info && ($notice_info->length > 0)) {
665 foreach ($notice_info->item(0)->attributes as $attributes) {
666 if ($attributes->name == "source") {
667 $item["app"] = strip_tags($attributes->textContent);
669 if ($attributes->name == "repeat_of") {
670 $repeat_of = $attributes->textContent;
674 // Is it a repeated post?
675 if (($repeat_of != "") || ($item["verb"] == Activity::SHARE)) {
676 $link_data = self::processRepeatedItem($xpath, $entry, $item, $importer);
677 if (!empty($link_data['add_body'])) {
678 $add_body .= $link_data['add_body'];
682 $item["body"] .= $add_body;
684 // Only add additional data when there is no picture in the post
685 if (!strstr($item["body"], '[/img]')) {
686 $item["body"] = add_page_info_to_body($item["body"]);
689 // Mastodon Content Warning
690 if (($item["verb"] == Activity::POST) && $xpath->evaluate('boolean(atom:summary)', $entry)) {
691 $clear_text = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $entry);
692 if (!empty($clear_text)) {
693 $item['content-warning'] = HTML::toBBCode($clear_text);
697 if (($self != '') && empty($item['protocol'])) {
698 self::fetchSelf($self, $item);
701 if (!empty($item["conversation-href"])) {
702 self::fetchConversation($item['conversation-href'], $item['conversation-uri']);
705 if (isset($item["parent-uri"])) {
706 if (!Item::exists(['uid' => $importer["uid"], 'uri' => $item['parent-uri']])) {
707 if ($related != '') {
708 self::fetchRelated($related, $item["parent-uri"], $importer);
711 Logger::log('Reply with URI '.$item["uri"].' already existed for user '.$importer["uid"].'.', Logger::DEBUG);
714 $item["parent-uri"] = $item["uri"];
715 $item["gravity"] = GRAVITY_PARENT;
718 if (($item['author-link'] != '') && !empty($item['protocol'])) {
719 $item = Conversation::insert($item);
722 self::$itemlist[] = $item;
726 * Fetch the conversation for posts
728 * @param string $conversation The link to the conversation
729 * @param string $conversation_uri The conversation in "uri" format
731 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
733 private static function fetchConversation($conversation, $conversation_uri)
735 // Ensure that we only store a conversation once in a process
736 if (isset(self::$conv_list[$conversation])) {
740 self::$conv_list[$conversation] = true;
742 $curlResult = Network::curl($conversation, false, ['accept_content' => 'application/atom+xml, text/html']);
744 if (!$curlResult->isSuccess()) {
750 if (stristr($curlResult->getHeader(), 'Content-Type: application/atom+xml')) {
751 $xml = $curlResult->getBody();
755 $doc = new DOMDocument();
756 if (!@$doc->loadHTML($curlResult->getBody())) {
759 $xpath = new DOMXPath($doc);
761 $links = $xpath->query('//link');
764 foreach ($links as $link) {
765 $attribute = self::readAttributes($link);
766 if (($attribute['rel'] == 'alternate') && ($attribute['type'] == 'application/atom+xml')) {
767 $file = $attribute['href'];
771 $conversation_atom = Network::curl($attribute['href']);
773 if ($conversation_atom->isSuccess()) {
774 $xml = $conversation_atom->getBody();
784 self::storeConversation($xml, $conversation, $conversation_uri);
788 * Store a feed in several conversation entries
790 * @param string $xml The feed
791 * @param string $conversation conversation
792 * @param string $conversation_uri conversation uri
796 private static function storeConversation($xml, $conversation = '', $conversation_uri = '')
798 $doc = new DOMDocument();
799 @$doc->loadXML($xml);
801 $xpath = new DOMXPath($doc);
802 $xpath->registerNamespace('atom', ActivityNamespace::ATOM1);
803 $xpath->registerNamespace('thr', ActivityNamespace::THREAD);
804 $xpath->registerNamespace('ostatus', ActivityNamespace::OSTATUS);
806 $entries = $xpath->query('/atom:feed/atom:entry');
808 // Now store the entries
809 foreach ($entries as $entry) {
810 $doc2 = new DOMDocument();
811 $doc2->preserveWhiteSpace = false;
812 $doc2->formatOutput = true;
816 $conv_data['protocol'] = Conversation::PARCEL_SPLIT_CONVERSATION;
817 $conv_data['network'] = Protocol::OSTATUS;
818 $conv_data['uri'] = XML::getFirstNodeValue($xpath, 'atom:id/text()', $entry);
820 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
821 if (is_object($inreplyto->item(0))) {
822 foreach ($inreplyto->item(0)->attributes as $attributes) {
823 if ($attributes->name == "ref") {
824 $conv_data['reply-to-uri'] = $attributes->textContent;
829 $conv_data['conversation-uri'] = XML::getFirstNodeValue($xpath, 'ostatus:conversation/text()', $entry);
831 $conv = $xpath->query('ostatus:conversation', $entry);
832 if (is_object($conv->item(0))) {
833 foreach ($conv->item(0)->attributes as $attributes) {
834 if ($attributes->name == "ref") {
835 $conv_data['conversation-uri'] = $attributes->textContent;
837 if ($attributes->name == "href") {
838 $conv_data['conversation-href'] = $attributes->textContent;
843 if ($conversation != '') {
844 $conv_data['conversation-uri'] = $conversation;
847 if ($conversation_uri != '') {
848 $conv_data['conversation-uri'] = $conversation_uri;
851 $entry = $doc2->importNode($entry, true);
853 $doc2->appendChild($entry);
855 $conv_data['source'] = $doc2->saveXML();
857 $condition = ['item-uri' => $conv_data['uri'],'protocol' => Conversation::PARCEL_FEED];
858 if (DBA::exists('conversation', $condition)) {
859 Logger::log('Delete deprecated entry for URI '.$conv_data['uri'], Logger::DEBUG);
860 DBA::delete('conversation', ['item-uri' => $conv_data['uri']]);
863 Logger::log('Store conversation data for uri '.$conv_data['uri'], Logger::DEBUG);
864 Conversation::insert($conv_data);
869 * Fetch the own post so that it can be stored later
871 * We want to store the original data for later processing.
872 * This function is meant for cases where we process a feed with multiple entries.
873 * In that case we need to fetch the single posts here.
875 * @param string $self The link to the self item
876 * @param array $item The item array
878 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
880 private static function fetchSelf($self, array &$item)
882 $condition = ['`item-uri` = ? AND `protocol` IN (?, ?)', $self, Conversation::PARCEL_DFRN, Conversation::PARCEL_SALMON];
883 if (DBA::exists('conversation', $condition)) {
884 Logger::log('Conversation '.$item['uri'].' is already stored.', Logger::DEBUG);
888 $curlResult = Network::curl($self);
890 if (!$curlResult->isSuccess()) {
894 // We reformat the XML to make it better readable
895 $doc = new DOMDocument();
896 $doc->loadXML($curlResult->getBody());
897 $doc->preserveWhiteSpace = false;
898 $doc->formatOutput = true;
899 $xml = $doc->saveXML();
901 $item["protocol"] = Conversation::PARCEL_SALMON;
902 $item["source"] = $xml;
904 Logger::log('Conversation '.$item['uri'].' is now fetched.', Logger::DEBUG);
908 * Fetch related posts and processes them
910 * @param string $related The link to the related item
911 * @param string $related_uri The related item in "uri" format
912 * @param array $importer user record of the importing user
914 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
915 * @throws \ImagickException
917 private static function fetchRelated($related, $related_uri, $importer)
919 $condition = ['`item-uri` = ? AND `protocol` IN (?, ?)', $related_uri, Conversation::PARCEL_DFRN, Conversation::PARCEL_SALMON];
920 $conversation = DBA::selectFirst('conversation', ['source', 'protocol'], $condition);
921 if (DBA::isResult($conversation)) {
923 $xml = $conversation['source'];
924 if (self::process($xml, $importer, $contact, $hub, $stored, false)) {
925 Logger::log('Got valid cached XML for URI '.$related_uri, Logger::DEBUG);
928 if ($conversation['protocol'] == Conversation::PARCEL_SALMON) {
929 Logger::log('Delete invalid cached XML for URI '.$related_uri, Logger::DEBUG);
930 DBA::delete('conversation', ['item-uri' => $related_uri]);
935 $curlResult = Network::curl($related, false, ['accept_content' => 'application/atom+xml, text/html']);
937 if (!$curlResult->isSuccess()) {
943 if (stristr($curlResult->getHeader(), 'Content-Type: application/atom+xml')) {
944 Logger::log('Directly fetched XML for URI ' . $related_uri, Logger::DEBUG);
945 $xml = $curlResult->getBody();
949 $doc = new DOMDocument();
950 if (!@$doc->loadHTML($curlResult->getBody())) {
953 $xpath = new DOMXPath($doc);
957 $links = $xpath->query('//link');
959 foreach ($links as $link) {
960 $attribute = self::readAttributes($link);
961 if (($attribute['rel'] == 'alternate') && ($attribute['type'] == 'application/atom+xml')) {
962 $atom_file = $attribute['href'];
965 if ($atom_file != '') {
966 $curlResult = Network::curl($atom_file);
968 if ($curlResult->isSuccess()) {
969 Logger::log('Fetched XML for URI ' . $related_uri, Logger::DEBUG);
970 $xml = $curlResult->getBody();
976 // Workaround for older GNU Social servers
977 if (($xml == '') && strstr($related, '/notice/')) {
978 $curlResult = Network::curl(str_replace('/notice/', '/api/statuses/show/', $related).'.atom');
980 if ($curlResult->isSuccess()) {
981 Logger::log('GNU Social workaround to fetch XML for URI ' . $related_uri, Logger::DEBUG);
982 $xml = $curlResult->getBody();
986 // Even more worse workaround for GNU Social ;-)
988 $related_guess = OStatus::convertHref($related_uri);
989 $curlResult = Network::curl(str_replace('/notice/', '/api/statuses/show/', $related_guess).'.atom');
991 if ($curlResult->isSuccess()) {
992 Logger::log('GNU Social workaround 2 to fetch XML for URI ' . $related_uri, Logger::DEBUG);
993 $xml = $curlResult->getBody();
997 // Finally we take the data that we fetched from "ostatus:conversation"
999 $condition = ['item-uri' => $related_uri, 'protocol' => Conversation::PARCEL_SPLIT_CONVERSATION];
1000 $conversation = DBA::selectFirst('conversation', ['source'], $condition);
1001 if (DBA::isResult($conversation)) {
1003 Logger::log('Got cached XML from conversation for URI '.$related_uri, Logger::DEBUG);
1004 $xml = $conversation['source'];
1009 self::process($xml, $importer, $contact, $hub, $stored, false);
1011 Logger::log("XML couldn't be fetched for URI: ".$related_uri." - href: ".$related, Logger::DEBUG);
1017 * Processes the XML for a repeated post
1019 * @param DOMXPath $xpath The xpath object
1020 * @param object $entry The xml entry that is processed
1021 * @param array $item The item array
1022 * @param array $importer user record of the importing user
1024 * @return array with data from links
1025 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1026 * @throws \ImagickException
1028 private static function processRepeatedItem(DOMXPath $xpath, $entry, array &$item, array $importer)
1030 $activityobject = $xpath->query('activity:object', $entry)->item(0);
1032 if (!is_object($activityobject)) {
1038 $orig_uri = XML::getFirstNodeValue($xpath, 'atom:id/text()', $activityobject);
1040 $links = $xpath->query("atom:link", $activityobject);
1042 $link_data = self::processLinks($links, $item);
1045 $orig_body = XML::getFirstNodeValue($xpath, 'atom:content/text()', $activityobject);
1046 $orig_created = XML::getFirstNodeValue($xpath, 'atom:published/text()', $activityobject);
1047 $orig_edited = XML::getFirstNodeValue($xpath, 'atom:updated/text()', $activityobject);
1049 $orig_author = self::fetchAuthor($xpath, $activityobject, $importer, $dummy, false);
1051 $item["author-name"] = $orig_author["author-name"];
1052 $item["author-link"] = $orig_author["author-link"];
1053 $item["author-id"] = $orig_author["author-id"];
1055 $item["body"] = HTML::toBBCode($orig_body);
1056 $item["created"] = $orig_created;
1057 $item["edited"] = $orig_edited;
1059 $item["uri"] = $orig_uri;
1061 $item["verb"] = XML::getFirstNodeValue($xpath, 'activity:verb/text()', $activityobject);
1063 $item["object-type"] = XML::getFirstNodeValue($xpath, 'activity:object-type/text()', $activityobject);
1065 // Mastodon Content Warning
1066 if (($item["verb"] == Activity::POST) && $xpath->evaluate('boolean(atom:summary)', $activityobject)) {
1067 $clear_text = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $activityobject);
1068 if (!empty($clear_text)) {
1069 $item['content-warning'] = HTML::toBBCode($clear_text);
1073 $inreplyto = $xpath->query('thr:in-reply-to', $activityobject);
1074 if (is_object($inreplyto->item(0))) {
1075 foreach ($inreplyto->item(0)->attributes as $attributes) {
1076 if ($attributes->name == "ref") {
1077 $item["parent-uri"] = $attributes->textContent;
1086 * Processes links in the XML
1088 * @param object $links The xml data that contain links
1089 * @param array $item The item array
1091 * @return array with data from the links
1093 private static function processLinks($links, array &$item)
1095 $link_data = ['add_body' => '', 'self' => ''];
1097 foreach ($links as $link) {
1098 $attribute = self::readAttributes($link);
1100 if (!empty($attribute['rel']) && !empty($attribute['href'])) {
1101 switch ($attribute['rel']) {
1103 $item["plink"] = $attribute['href'];
1104 if (($item["object-type"] == Activity\ObjectType::QUESTION)
1105 || ($item["object-type"] == Activity\ObjectType::EVENT)
1107 $item["body"] .= add_page_info($attribute['href']);
1110 case "ostatus:conversation":
1111 $link_data['conversation'] = $attribute['href'];
1112 $item['conversation-href'] = $link_data['conversation'];
1113 if (!isset($item['conversation-uri'])) {
1114 $item['conversation-uri'] = $item['conversation-href'];
1118 $filetype = strtolower(substr($attribute['type'], 0, strpos($attribute['type'], '/')));
1119 if ($filetype == 'image') {
1120 $link_data['add_body'] .= "\n[img]".$attribute['href'].'[/img]';
1122 if (!empty($item["attach"])) {
1123 $item["attach"] .= ',';
1125 $item["attach"] = '';
1127 if (!isset($attribute['length'])) {
1128 $attribute['length'] = "0";
1130 $item["attach"] .= '[attach]href="'.$attribute['href'].'" length="'.$attribute['length'].'" type="'.$attribute['type'].'" title="'.($attribute['title'] ?? '') .'"[/attach]';
1134 if ($item["object-type"] != Activity\ObjectType::BOOKMARK) {
1135 if (!isset($item["parent-uri"])) {
1136 $item["parent-uri"] = $attribute['href'];
1138 $link_data['related'] = $attribute['href'];
1140 $item["body"] .= add_page_info($attribute['href']);
1144 if (empty($item["plink"])) {
1145 $item["plink"] = $attribute['href'];
1147 $link_data['self'] = $attribute['href'];
1156 * Create an url out of an uri
1158 * @param string $href URI in the format "parameter1:parameter1:..."
1160 * @return string URL in the format http(s)://....
1162 public static function convertHref($href)
1164 $elements = explode(":", $href);
1166 if ((count($elements) <= 2) || ($elements[0] != "tag")) {
1170 $server = explode(",", $elements[1]);
1171 $conversation = explode("=", $elements[2]);
1173 if ((count($elements) == 4) && ($elements[2] == "post")) {
1174 return "http://".$server[0]."/notice/".$elements[3];
1177 if ((count($conversation) != 2) || ($conversation[1] =="")) {
1180 if ($elements[3] == "objectType=thread") {
1181 return "http://".$server[0]."/conversation/".$conversation[1];
1183 return "http://".$server[0]."/notice/".$conversation[1];
1188 * Checks if the current post is a reshare
1190 * @param array $item The item array of thw post
1192 * @return string The guid if the post is a reshare
1194 private static function getResharedGuid(array $item)
1196 $reshared = Item::getShareArray($item);
1197 if (empty($reshared['guid']) || !empty($reshared['comment'])) {
1201 return $reshared['guid'];
1205 * Cleans the body of a post if it contains picture links
1207 * @param string $body The body
1209 * @return string The cleaned body
1210 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1212 private static function formatPicturePost($body)
1214 $siteinfo = BBCode::getAttachedData($body);
1216 if (($siteinfo["type"] == "photo") && (!empty($siteinfo["preview"]) || !empty($siteinfo["image"]))) {
1217 if (isset($siteinfo["preview"])) {
1218 $preview = $siteinfo["preview"];
1220 $preview = $siteinfo["image"];
1223 // Is it a remote picture? Then make a smaller preview here
1224 $preview = ProxyUtils::proxifyUrl($preview, false, ProxyUtils::SIZE_SMALL);
1226 // Is it a local picture? Then make it smaller here
1227 $preview = str_replace(["-0.jpg", "-0.png"], ["-2.jpg", "-2.png"], $preview);
1228 $preview = str_replace(["-1.jpg", "-1.png"], ["-2.jpg", "-2.png"], $preview);
1230 if (isset($siteinfo["url"])) {
1231 $url = $siteinfo["url"];
1233 $url = $siteinfo["image"];
1236 $body = trim($siteinfo["text"])." [url]".$url."[/url]\n[img]".$preview."[/img]";
1243 * Adds the header elements to the XML document
1245 * @param DOMDocument $doc XML document
1246 * @param array $owner Contact data of the poster
1247 * @param string $filter The related feed filter (activity, posts or comments)
1248 * @param bool $feed_mode Behave like a regular feed for users if true
1250 * @return object header root element
1251 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1253 private static function addHeader(DOMDocument $doc, array $owner, $filter, $feed_mode = false)
1255 $root = $doc->createElementNS(ActivityNamespace::ATOM1, 'feed');
1256 $doc->appendChild($root);
1258 $root->setAttribute("xmlns:thr", ActivityNamespace::THREAD);
1259 $root->setAttribute("xmlns:georss", ActivityNamespace::GEORSS);
1260 $root->setAttribute("xmlns:activity", ActivityNamespace::ACTIVITY);
1261 $root->setAttribute("xmlns:media", ActivityNamespace::MEDIA);
1262 $root->setAttribute("xmlns:poco", ActivityNamespace::POCO);
1263 $root->setAttribute("xmlns:ostatus", ActivityNamespace::OSTATUS);
1264 $root->setAttribute("xmlns:statusnet", ActivityNamespace::STATUSNET);
1265 $root->setAttribute("xmlns:mastodon", ActivityNamespace::MASTODON);
1268 $selfUri = '/feed/' . $owner["nick"] . '/';
1271 $title = DI::l10n()->t('%s\'s timeline', $owner['name']);
1272 $selfUri .= $filter;
1275 $title = DI::l10n()->t('%s\'s posts', $owner['name']);
1278 $title = DI::l10n()->t('%s\'s comments', $owner['name']);
1279 $selfUri .= $filter;
1284 $selfUri = "/dfrn_poll/" . $owner["nick"];
1287 $attributes = ["uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION . "-" . DB_UPDATE_VERSION];
1288 XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
1289 XML::addElement($doc, $root, "id", DI::baseUrl() . "/profile/" . $owner["nick"]);
1290 XML::addElement($doc, $root, "title", $title);
1291 XML::addElement($doc, $root, "subtitle", sprintf("Updates from %s on %s", $owner["name"], DI::config()->get('config', 'sitename')));
1292 XML::addElement($doc, $root, "logo", $owner["photo"]);
1293 XML::addElement($doc, $root, "updated", DateTimeFormat::utcNow(DateTimeFormat::ATOM));
1295 $author = self::addAuthor($doc, $owner);
1296 $root->appendChild($author);
1298 $attributes = ["href" => $owner["url"], "rel" => "alternate", "type" => "text/html"];
1299 XML::addElement($doc, $root, "link", "", $attributes);
1301 /// @TODO We have to find out what this is
1302 /// $attributes = array("href" => DI::baseUrl()."/sup",
1303 /// "rel" => "http://api.friendfeed.com/2008/03#sup",
1304 /// "type" => "application/json");
1305 /// XML::addElement($doc, $root, "link", "", $attributes);
1307 self::hublinks($doc, $root, $owner["nick"]);
1309 $attributes = ["href" => DI::baseUrl() . "/salmon/" . $owner["nick"], "rel" => "salmon"];
1310 XML::addElement($doc, $root, "link", "", $attributes);
1312 $attributes = ["href" => DI::baseUrl() . "/salmon/" . $owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-replies"];
1313 XML::addElement($doc, $root, "link", "", $attributes);
1315 $attributes = ["href" => DI::baseUrl() . "/salmon/" . $owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-mention"];
1316 XML::addElement($doc, $root, "link", "", $attributes);
1318 $attributes = ["href" => DI::baseUrl() . $selfUri, "rel" => "self", "type" => "application/atom+xml"];
1319 XML::addElement($doc, $root, "link", "", $attributes);
1321 if ($owner['account-type'] == Contact::TYPE_COMMUNITY) {
1322 $condition = ['uid' => $owner['uid'], 'self' => false, 'pending' => false,
1323 'archive' => false, 'hidden' => false, 'blocked' => false];
1324 $members = DBA::count('contact', $condition);
1325 XML::addElement($doc, $root, "statusnet:group_info", "", ["member_count" => $members]);
1332 * Add the link to the push hubs to the XML document
1334 * @param DOMDocument $doc XML document
1335 * @param object $root XML root element where the hub links are added
1336 * @param object $nick nick
1338 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1340 public static function hublinks(DOMDocument $doc, $root, $nick)
1342 $h = DI::baseUrl() . '/pubsubhubbub/'.$nick;
1343 XML::addElement($doc, $root, "link", "", ["href" => $h, "rel" => "hub"]);
1347 * Adds attachment data to the XML document
1349 * @param DOMDocument $doc XML document
1350 * @param object $root XML root element where the hub links are added
1351 * @param array $item Data of the item that is to be posted
1353 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1355 private static function getAttachment(DOMDocument $doc, $root, $item)
1357 $siteinfo = BBCode::getAttachedData($item["body"]);
1359 switch ($siteinfo["type"]) {
1361 if (!empty($siteinfo["image"])) {
1362 $imgdata = Images::getInfoFromURLCached($siteinfo["image"]);
1364 $attributes = ["rel" => "enclosure",
1365 "href" => $siteinfo["image"],
1366 "type" => $imgdata["mime"],
1367 "length" => intval($imgdata["size"])];
1368 XML::addElement($doc, $root, "link", "", $attributes);
1373 $attributes = ["rel" => "enclosure",
1374 "href" => $siteinfo["url"],
1375 "type" => "text/html; charset=UTF-8",
1377 "title" => ($siteinfo["title"] ?? '') ?: $siteinfo["url"],
1379 XML::addElement($doc, $root, "link", "", $attributes);
1385 if (!DI::config()->get('system', 'ostatus_not_attach_preview') && ($siteinfo["type"] != "photo") && isset($siteinfo["image"])) {
1386 $imgdata = Images::getInfoFromURLCached($siteinfo["image"]);
1388 $attributes = ["rel" => "enclosure",
1389 "href" => $siteinfo["image"],
1390 "type" => $imgdata["mime"],
1391 "length" => intval($imgdata["size"])];
1393 XML::addElement($doc, $root, "link", "", $attributes);
1397 $arr = explode('[/attach],', $item['attach']);
1399 foreach ($arr as $r) {
1401 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
1403 $attributes = ["rel" => "enclosure",
1404 "href" => $matches[1],
1405 "type" => $matches[3]];
1407 if (intval($matches[2])) {
1408 $attributes["length"] = intval($matches[2]);
1410 if (trim($matches[4]) != "") {
1411 $attributes["title"] = trim($matches[4]);
1413 XML::addElement($doc, $root, "link", "", $attributes);
1420 * Adds the author element to the XML document
1422 * @param DOMDocument $doc XML document
1423 * @param array $owner Contact data of the poster
1424 * @param bool $show_profile Whether to show profile
1426 * @return \DOMElement author element
1427 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1429 private static function addAuthor(DOMDocument $doc, array $owner, $show_profile = true)
1431 $profile = DBA::selectFirst('profile', ['homepage', 'publish'], ['uid' => $owner['uid']]);
1432 $author = $doc->createElement("author");
1433 XML::addElement($doc, $author, "id", $owner["url"]);
1434 if ($owner['account-type'] == User::ACCOUNT_TYPE_COMMUNITY) {
1435 XML::addElement($doc, $author, "activity:object-type", Activity\ObjectType::GROUP);
1437 XML::addElement($doc, $author, "activity:object-type", Activity\ObjectType::PERSON);
1439 XML::addElement($doc, $author, "uri", $owner["url"]);
1440 XML::addElement($doc, $author, "name", $owner["nick"]);
1441 XML::addElement($doc, $author, "email", $owner["addr"]);
1442 if ($show_profile) {
1443 XML::addElement($doc, $author, "summary", BBCode::convert($owner["about"], false, 7));
1446 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $owner["url"]];
1447 XML::addElement($doc, $author, "link", "", $attributes);
1451 "type" => "image/jpeg", // To-Do?
1452 "media:width" => 300,
1453 "media:height" => 300,
1454 "href" => $owner["photo"]];
1455 XML::addElement($doc, $author, "link", "", $attributes);
1457 if (isset($owner["thumb"])) {
1460 "type" => "image/jpeg", // To-Do?
1461 "media:width" => 80,
1462 "media:height" => 80,
1463 "href" => $owner["thumb"]];
1464 XML::addElement($doc, $author, "link", "", $attributes);
1467 XML::addElement($doc, $author, "poco:preferredUsername", $owner["nick"]);
1468 XML::addElement($doc, $author, "poco:displayName", $owner["name"]);
1469 if ($show_profile) {
1470 XML::addElement($doc, $author, "poco:note", BBCode::convert($owner["about"], false, 7));
1472 if (trim($owner["location"]) != "") {
1473 $element = $doc->createElement("poco:address");
1474 XML::addElement($doc, $element, "poco:formatted", $owner["location"]);
1475 $author->appendChild($element);
1479 if (DBA::isResult($profile) && !$show_profile) {
1480 if (trim($profile["homepage"]) != "") {
1481 $urls = $doc->createElement("poco:urls");
1482 XML::addElement($doc, $urls, "poco:type", "homepage");
1483 XML::addElement($doc, $urls, "poco:value", $profile["homepage"]);
1484 XML::addElement($doc, $urls, "poco:primary", "true");
1485 $author->appendChild($urls);
1488 XML::addElement($doc, $author, "followers", "", ["url" => DI::baseUrl() . "/profile/" . $owner["nick"] . "/contacts/followers"]);
1489 XML::addElement($doc, $author, "statusnet:profile_info", "", ["local_id" => $owner["uid"]]);
1491 if ($profile["publish"]) {
1492 XML::addElement($doc, $author, "mastodon:scope", "public");
1500 * @TODO Picture attachments should look like this:
1501 * <a href="https://status.pirati.ca/attachment/572819" title="https://status.pirati.ca/file/heluecht-20151202T222602-rd3u49p.gif"
1502 * class="attachment thumbnail" id="attachment-572819" rel="nofollow external">https://status.pirati.ca/attachment/572819</a>
1506 * Returns the given activity if present - otherwise returns the "post" activity
1508 * @param array $item Data of the item that is to be posted
1510 * @return string activity
1512 private static function constructVerb(array $item)
1514 if (!empty($item['verb'])) {
1515 return $item['verb'];
1518 return Activity::POST;
1522 * Returns the given object type if present - otherwise returns the "note" object type
1524 * @param array $item Data of the item that is to be posted
1526 * @return string Object type
1528 private static function constructObjecttype(array $item)
1530 if (!empty($item['object-type']) && in_array($item['object-type'], [Activity\ObjectType::NOTE, Activity\ObjectType::COMMENT])) {
1531 return $item['object-type'];
1534 return Activity\ObjectType::NOTE;
1538 * Adds an entry element to the XML document
1540 * @param DOMDocument $doc XML document
1541 * @param array $item Data of the item that is to be posted
1542 * @param array $owner Contact data of the poster
1543 * @param bool $toplevel optional default false
1544 * @param bool $feed_mode Behave like a regular feed for users if true
1546 * @return \DOMElement Entry element
1547 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1548 * @throws \ImagickException
1550 private static function entry(DOMDocument $doc, array $item, array $owner, $toplevel = false, $feed_mode = false)
1554 $repeated_guid = self::getResharedGuid($item);
1555 if ($repeated_guid != "") {
1556 $xml = self::reshareEntry($doc, $item, $owner, $repeated_guid, $toplevel);
1563 if ($item["verb"] == Activity::LIKE) {
1564 return self::likeEntry($doc, $item, $owner, $toplevel);
1565 } elseif (in_array($item["verb"], [Activity::FOLLOW, Activity::O_UNFOLLOW])) {
1566 return self::followEntry($doc, $item, $owner, $toplevel);
1568 return self::noteEntry($doc, $item, $owner, $toplevel, $feed_mode);
1573 * Adds a source entry to the XML document
1575 * @param DOMDocument $doc XML document
1576 * @param array $contact Array of the contact that is added
1578 * @return \DOMElement Source element
1579 * @throws \Exception
1581 private static function sourceEntry(DOMDocument $doc, array $contact)
1583 $source = $doc->createElement("source");
1584 XML::addElement($doc, $source, "id", $contact["poll"]);
1585 XML::addElement($doc, $source, "title", $contact["name"]);
1586 XML::addElement($doc, $source, "link", "", ["rel" => "alternate", "type" => "text/html", "href" => $contact["alias"]]);
1587 XML::addElement($doc, $source, "link", "", ["rel" => "self", "type" => "application/atom+xml", "href" => $contact["poll"]]);
1588 XML::addElement($doc, $source, "icon", $contact["photo"]);
1589 XML::addElement($doc, $source, "updated", DateTimeFormat::utc($contact["success_update"]."+00:00", DateTimeFormat::ATOM));
1595 * Fetches contact data from the contact or the gcontact table
1597 * @param string $url URL of the contact
1598 * @param array $owner Contact data of the poster
1600 * @return array Contact array
1601 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1602 * @throws \ImagickException
1604 private static function contactEntry($url, array $owner)
1607 "SELECT * FROM `contact` WHERE `nurl` = '%s' AND `uid` IN (0, %d) ORDER BY `uid` DESC LIMIT 1",
1608 DBA::escape(Strings::normaliseLink($url)),
1609 intval($owner["uid"])
1611 if (DBA::isResult($r)) {
1613 $contact["uid"] = -1;
1616 if (!DBA::isResult($r)) {
1617 $gcontact = DBA::selectFirst('gcontact', [], ['nurl' => Strings::normaliseLink($url)]);
1618 if (DBA::isResult($r)) {
1619 $contact = $gcontact;
1620 $contact["uid"] = -1;
1621 $contact["success_update"] = $contact["updated"];
1625 if (!DBA::isResult($r)) {
1629 if (!isset($contact["poll"])) {
1630 $data = Probe::uri($url);
1631 $contact["poll"] = $data["poll"];
1633 if (!$contact["alias"]) {
1634 $contact["alias"] = $data["alias"];
1638 if (!isset($contact["alias"])) {
1639 $contact["alias"] = $contact["url"];
1642 $contact['account-type'] = $owner['account-type'];
1648 * Adds an entry element with reshared content
1650 * @param DOMDocument $doc XML document
1651 * @param array $item Data of the item that is to be posted
1652 * @param array $owner Contact data of the poster
1653 * @param string $repeated_guid guid
1654 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1656 * @return bool Entry element
1657 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1658 * @throws \ImagickException
1660 private static function reshareEntry(DOMDocument $doc, array $item, array $owner, $repeated_guid, $toplevel)
1662 if (($item["id"] != $item["parent"]) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
1663 Logger::log("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", Logger::DEBUG);
1666 $entry = self::entryHeader($doc, $owner, $item, $toplevel);
1668 $condition = ['uid' => $owner["uid"], 'guid' => $repeated_guid, 'private' => false,
1669 'network' => [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS]];
1670 $repeated_item = Item::selectFirst([], $condition);
1671 if (!DBA::isResult($repeated_item)) {
1675 $contact = self::contactEntry($repeated_item['author-link'], $owner);
1677 $title = $owner["nick"]." repeated a notice by ".$contact["nick"];
1679 self::entryContent($doc, $entry, $item, $owner, $title, Activity::SHARE, false);
1681 $as_object = $doc->createElement("activity:object");
1683 XML::addElement($doc, $as_object, "activity:object-type", ActivityNamespace::ACTIVITY_SCHEMA . "activity");
1685 self::entryContent($doc, $as_object, $repeated_item, $owner, "", "", false);
1687 $author = self::addAuthor($doc, $contact, false);
1688 $as_object->appendChild($author);
1690 $as_object2 = $doc->createElement("activity:object");
1692 XML::addElement($doc, $as_object2, "activity:object-type", self::constructObjecttype($repeated_item));
1694 $title = sprintf("New comment by %s", $contact["nick"]);
1696 self::entryContent($doc, $as_object2, $repeated_item, $owner, $title);
1698 $as_object->appendChild($as_object2);
1700 self::entryFooter($doc, $as_object, $item, $owner, false);
1702 $source = self::sourceEntry($doc, $contact);
1704 $as_object->appendChild($source);
1706 $entry->appendChild($as_object);
1708 self::entryFooter($doc, $entry, $item, $owner);
1714 * Adds an entry element with a "like"
1716 * @param DOMDocument $doc XML document
1717 * @param array $item Data of the item that is to be posted
1718 * @param array $owner Contact data of the poster
1719 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1721 * @return \DOMElement Entry element with "like"
1722 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1723 * @throws \ImagickException
1725 private static function likeEntry(DOMDocument $doc, array $item, array $owner, $toplevel)
1727 if (($item["id"] != $item["parent"]) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
1728 Logger::log("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", Logger::DEBUG);
1731 $entry = self::entryHeader($doc, $owner, $item, $toplevel);
1733 $verb = ActivityNamespace::ACTIVITY_SCHEMA . "favorite";
1734 self::entryContent($doc, $entry, $item, $owner, "Favorite", $verb, false);
1736 $parent = Item::selectFirst([], ['uri' => $item["thr-parent"], 'uid' => $item["uid"]]);
1737 if (DBA::isResult($parent)) {
1738 $as_object = $doc->createElement("activity:object");
1740 XML::addElement($doc, $as_object, "activity:object-type", self::constructObjecttype($parent));
1742 self::entryContent($doc, $as_object, $parent, $owner, "New entry");
1744 $entry->appendChild($as_object);
1747 self::entryFooter($doc, $entry, $item, $owner);
1753 * Adds the person object element to the XML document
1755 * @param DOMDocument $doc XML document
1756 * @param array $owner Contact data of the poster
1757 * @param array $contact Contact data of the target
1759 * @return object author element
1761 private static function addPersonObject(DOMDocument $doc, array $owner, array $contact)
1763 $object = $doc->createElement("activity:object");
1764 XML::addElement($doc, $object, "activity:object-type", Activity\ObjectType::PERSON);
1766 if ($contact['network'] == Protocol::PHANTOM) {
1767 XML::addElement($doc, $object, "id", $contact['url']);
1771 XML::addElement($doc, $object, "id", $contact["alias"]);
1772 XML::addElement($doc, $object, "title", $contact["nick"]);
1774 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $contact["url"]];
1775 XML::addElement($doc, $object, "link", "", $attributes);
1779 "type" => "image/jpeg", // To-Do?
1780 "media:width" => 300,
1781 "media:height" => 300,
1782 "href" => $contact["photo"]];
1783 XML::addElement($doc, $object, "link", "", $attributes);
1785 XML::addElement($doc, $object, "poco:preferredUsername", $contact["nick"]);
1786 XML::addElement($doc, $object, "poco:displayName", $contact["name"]);
1788 if (trim($contact["location"]) != "") {
1789 $element = $doc->createElement("poco:address");
1790 XML::addElement($doc, $element, "poco:formatted", $contact["location"]);
1791 $object->appendChild($element);
1798 * Adds a follow/unfollow entry element
1800 * @param DOMDocument $doc XML document
1801 * @param array $item Data of the follow/unfollow message
1802 * @param array $owner Contact data of the poster
1803 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1805 * @return \DOMElement Entry element
1806 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1807 * @throws \ImagickException
1809 private static function followEntry(DOMDocument $doc, array $item, array $owner, $toplevel)
1811 $item["id"] = $item["parent"] = 0;
1812 $item["created"] = $item["edited"] = date("c");
1813 $item["private"] = true;
1815 $contact = Probe::uri($item['follow']);
1817 if ($contact['alias'] == '') {
1818 $contact['alias'] = $contact["url"];
1820 $item['follow'] = $contact['alias'];
1823 $condition = ['uid' => $owner['uid'], 'nurl' => Strings::normaliseLink($contact["url"])];
1824 $user_contact = DBA::selectFirst('contact', ['id'], $condition);
1826 if (DBA::isResult($user_contact)) {
1827 $connect_id = $user_contact['id'];
1832 if ($item['verb'] == Activity::FOLLOW) {
1833 $message = DI::l10n()->t('%s is now following %s.');
1834 $title = DI::l10n()->t('following');
1835 $action = "subscription";
1837 $message = DI::l10n()->t('%s stopped following %s.');
1838 $title = DI::l10n()->t('stopped following');
1839 $action = "unfollow";
1842 $item["uri"] = $item['parent-uri'] = $item['thr-parent']
1843 = 'tag:' . DI::baseUrl()->getHostname().
1844 ','.date('Y-m-d').':'.$action.':'.$owner['uid'].
1845 ':person:'.$connect_id.':'.$item['created'];
1847 $item["body"] = sprintf($message, $owner["nick"], $contact["nick"]);
1849 $entry = self::entryHeader($doc, $owner, $item, $toplevel);
1851 self::entryContent($doc, $entry, $item, $owner, $title);
1853 $object = self::addPersonObject($doc, $owner, $contact);
1854 $entry->appendChild($object);
1856 self::entryFooter($doc, $entry, $item, $owner);
1862 * Adds a regular entry element
1864 * @param DOMDocument $doc XML document
1865 * @param array $item Data of the item that is to be posted
1866 * @param array $owner Contact data of the poster
1867 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1868 * @param bool $feed_mode Behave like a regular feed for users if true
1870 * @return \DOMElement Entry element
1871 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1872 * @throws \ImagickException
1874 private static function noteEntry(DOMDocument $doc, array $item, array $owner, $toplevel, $feed_mode)
1876 if (($item["id"] != $item["parent"]) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
1877 Logger::log("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", Logger::DEBUG);
1881 if (!empty($item['title'])) {
1882 $title = BBCode::convert($item['title'], false, 7);
1884 $title = sprintf("New note by %s", $owner["nick"]);
1887 $title = sprintf("New comment by %s", $owner["nick"]);
1890 $entry = self::entryHeader($doc, $owner, $item, $toplevel);
1892 XML::addElement($doc, $entry, "activity:object-type", Activity\ObjectType::NOTE);
1894 self::entryContent($doc, $entry, $item, $owner, $title, '', true, $feed_mode);
1896 self::entryFooter($doc, $entry, $item, $owner, !$feed_mode, $feed_mode);
1902 * Adds a header element to the XML document
1904 * @param DOMDocument $doc XML document
1905 * @param array $owner Contact data of the poster
1906 * @param array $item
1907 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1909 * @return \DOMElement The entry element where the elements are added
1910 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1911 * @throws \ImagickException
1913 private static function entryHeader(DOMDocument $doc, array $owner, array $item, $toplevel)
1916 $entry = $doc->createElement("entry");
1918 if ($owner['account-type'] == User::ACCOUNT_TYPE_COMMUNITY) {
1919 $contact = self::contactEntry($item['author-link'], $owner);
1920 $author = self::addAuthor($doc, $contact, false);
1921 $entry->appendChild($author);
1924 $entry = $doc->createElementNS(ActivityNamespace::ATOM1, "entry");
1926 $entry->setAttribute("xmlns:thr", ActivityNamespace::THREAD);
1927 $entry->setAttribute("xmlns:georss", ActivityNamespace::GEORSS);
1928 $entry->setAttribute("xmlns:activity", ActivityNamespace::ACTIVITY);
1929 $entry->setAttribute("xmlns:media", ActivityNamespace::MEDIA);
1930 $entry->setAttribute("xmlns:poco", ActivityNamespace::POCO);
1931 $entry->setAttribute("xmlns:ostatus", ActivityNamespace::OSTATUS);
1932 $entry->setAttribute("xmlns:statusnet", ActivityNamespace::STATUSNET);
1933 $entry->setAttribute("xmlns:mastodon", ActivityNamespace::MASTODON);
1935 $author = self::addAuthor($doc, $owner);
1936 $entry->appendChild($author);
1943 * Adds elements to the XML document
1945 * @param DOMDocument $doc XML document
1946 * @param \DOMElement $entry Entry element where the content is added
1947 * @param array $item Data of the item that is to be posted
1948 * @param array $owner Contact data of the poster
1949 * @param string $title Title for the post
1950 * @param string $verb The activity verb
1951 * @param bool $complete Add the "status_net" element?
1952 * @param bool $feed_mode Behave like a regular feed for users if true
1954 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1956 private static function entryContent(DOMDocument $doc, \DOMElement $entry, array $item, array $owner, $title, $verb = "", $complete = true, $feed_mode = false)
1959 $verb = self::constructVerb($item);
1962 XML::addElement($doc, $entry, "id", $item["uri"]);
1963 XML::addElement($doc, $entry, "title", html_entity_decode($title, ENT_QUOTES, 'UTF-8'));
1965 $body = self::formatPicturePost($item['body']);
1967 if (!empty($item['title']) && !$feed_mode) {
1968 $body = "[b]".$item['title']."[/b]\n\n".$body;
1971 $body = BBCode::convert($body, false, 7);
1973 XML::addElement($doc, $entry, "content", $body, ["type" => "html"]);
1975 XML::addElement($doc, $entry, "link", "", ["rel" => "alternate", "type" => "text/html",
1976 "href" => DI::baseUrl()."/display/".$item["guid"]]
1979 if (!$feed_mode && $complete && ($item["id"] > 0)) {
1980 XML::addElement($doc, $entry, "status_net", "", ["notice_id" => $item["id"]]);
1984 XML::addElement($doc, $entry, "activity:verb", $verb);
1987 XML::addElement($doc, $entry, "published", DateTimeFormat::utc($item["created"]."+00:00", DateTimeFormat::ATOM));
1988 XML::addElement($doc, $entry, "updated", DateTimeFormat::utc($item["edited"]."+00:00", DateTimeFormat::ATOM));
1992 * Adds the elements at the foot of an entry to the XML document
1994 * @param DOMDocument $doc XML document
1995 * @param object $entry The entry element where the elements are added
1996 * @param array $item Data of the item that is to be posted
1997 * @param array $owner Contact data of the poster
1998 * @param bool $complete default true
1999 * @param bool $feed_mode Behave like a regular feed for users if true
2001 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2003 private static function entryFooter(DOMDocument $doc, $entry, array $item, array $owner, $complete = true, $feed_mode = false)
2007 if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
2008 $parent = Item::selectFirst(['guid', 'author-link', 'owner-link'], ['id' => $item["parent"]]);
2009 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
2011 $thrparent = Item::selectFirst(['guid', 'author-link', 'owner-link', 'plink'], ['uid' => $owner["uid"], 'uri' => $parent_item]);
2013 if (DBA::isResult($thrparent)) {
2014 $mentioned[$thrparent["author-link"]] = $thrparent["author-link"];
2015 $mentioned[$thrparent["owner-link"]] = $thrparent["owner-link"];
2016 $parent_plink = $thrparent["plink"];
2018 $mentioned[$parent["author-link"]] = $parent["author-link"];
2019 $mentioned[$parent["owner-link"]] = $parent["owner-link"];
2020 $parent_plink = DI::baseUrl()."/display/".$parent["guid"];
2024 "ref" => $parent_item,
2025 "href" => $parent_plink];
2026 XML::addElement($doc, $entry, "thr:in-reply-to", "", $attributes);
2030 "href" => $parent_plink];
2031 XML::addElement($doc, $entry, "link", "", $attributes);
2034 if (!$feed_mode && (intval($item["parent"]) > 0)) {
2035 $conversation_href = $conversation_uri = str_replace('/objects/', '/context/', $item['parent-uri']);
2037 if (isset($parent_item)) {
2038 $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $parent_item]);
2039 if (DBA::isResult($conversation)) {
2040 if ($conversation['conversation-uri'] != '') {
2041 $conversation_uri = $conversation['conversation-uri'];
2043 if ($conversation['conversation-href'] != '') {
2044 $conversation_href = $conversation['conversation-href'];
2049 XML::addElement($doc, $entry, "link", "", ["rel" => "ostatus:conversation", "href" => $conversation_href]);
2052 "href" => $conversation_href,
2053 "local_id" => $item["parent"],
2054 "ref" => $conversation_uri];
2056 XML::addElement($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
2059 $tags = item::getFeedTags($item);
2062 foreach ($tags as $t) {
2064 $mentioned[$t[1]] = $t[1];
2069 // Make sure that mentions are accepted (GNU Social has problems with mixing HTTP and HTTPS)
2071 foreach ($mentioned as $mention) {
2072 $newmentions[str_replace("http://", "https://", $mention)] = str_replace("http://", "https://", $mention);
2073 $newmentions[str_replace("https://", "http://", $mention)] = str_replace("https://", "http://", $mention);
2075 $mentioned = $newmentions;
2077 foreach ($mentioned as $mention) {
2078 $condition = ['uid' => $owner['uid'], 'nurl' => Strings::normaliseLink($mention)];
2079 $contact = DBA::selectFirst('contact', ['forum', 'prv', 'self', 'contact-type'], $condition);
2080 if ($contact["forum"] || $contact["prv"] || ($owner['contact-type'] == Contact::TYPE_COMMUNITY) ||
2081 ($contact['self'] && ($owner['account-type'] == User::ACCOUNT_TYPE_COMMUNITY))) {
2082 XML::addElement($doc, $entry, "link", "",
2084 "rel" => "mentioned",
2085 "ostatus:object-type" => Activity\ObjectType::GROUP,
2089 XML::addElement($doc, $entry, "link", "",
2091 "rel" => "mentioned",
2092 "ostatus:object-type" => Activity\ObjectType::PERSON,
2098 if ($owner['account-type'] == User::ACCOUNT_TYPE_COMMUNITY) {
2099 XML::addElement($doc, $entry, "link", "", [
2100 "rel" => "mentioned",
2101 "ostatus:object-type" => "http://activitystrea.ms/schema/1.0/group",
2102 "href" => $owner['url']
2106 if (!$item["private"] && !$feed_mode) {
2107 XML::addElement($doc, $entry, "link", "", ["rel" => "ostatus:attention",
2108 "href" => "http://activityschema.org/collection/public"]);
2109 XML::addElement($doc, $entry, "link", "", ["rel" => "mentioned",
2110 "ostatus:object-type" => "http://activitystrea.ms/schema/1.0/collection",
2111 "href" => "http://activityschema.org/collection/public"]);
2112 XML::addElement($doc, $entry, "mastodon:scope", "public");
2116 foreach ($tags as $t) {
2118 XML::addElement($doc, $entry, "category", "", ["term" => $t[2]]);
2123 self::getAttachment($doc, $entry, $item);
2125 if ($complete && ($item["id"] > 0)) {
2126 $app = $item["app"];
2131 $attributes = ["local_id" => $item["id"], "source" => $app];
2133 if (isset($parent["id"])) {
2134 $attributes["repeat_of"] = $parent["id"];
2137 if ($item["coord"] != "") {
2138 XML::addElement($doc, $entry, "georss:point", $item["coord"]);
2141 XML::addElement($doc, $entry, "statusnet:notice_info", "", $attributes);
2146 * Creates the XML feed for a given nickname
2148 * Supported filters:
2149 * - activity (default): all the public posts
2150 * - posts: all the public top-level posts
2151 * - comments: all the public replies
2153 * Updates the provided last_update parameter if the result comes from the
2154 * cache or it is empty
2156 * @param string $owner_nick Nickname of the feed owner
2157 * @param string $last_update Date of the last update
2158 * @param integer $max_items Number of maximum items to fetch
2159 * @param string $filter Feed items filter (activity, posts or comments)
2160 * @param boolean $nocache Wether to bypass caching
2161 * @param boolean $feed_mode Behave like a regular feed for users if true
2163 * @return string XML feed
2164 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2165 * @throws \ImagickException
2167 public static function feed($owner_nick, &$last_update, $max_items = 300, $filter = 'activity', $nocache = false, $feed_mode = false)
2169 $stamp = microtime(true);
2171 $owner = User::getOwnerDataByNick($owner_nick);
2176 $cachekey = "ostatus:feed:" . $owner_nick . ":" . $filter . ":" . $last_update;
2178 $previous_created = $last_update;
2180 // Don't cache when the last item was posted less then 15 minutes ago (Cache duration)
2181 if ((time() - strtotime($owner['last-item'])) < 15*60) {
2182 $result = DI::cache()->get($cachekey);
2183 if (!$nocache && !is_null($result)) {
2184 Logger::log('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created . ' (cached)', Logger::DEBUG);
2185 $last_update = $result['last_update'];
2186 return $result['feed'];
2190 if (!strlen($last_update)) {
2191 $last_update = 'now -30 days';
2194 $check_date = DateTimeFormat::utc($last_update);
2195 $authorid = Contact::getIdForURL($owner["url"], 0, true);
2197 $condition = ["`uid` = ? AND `received` > ? AND NOT `deleted`
2198 AND NOT `private` AND `visible` AND `wall` AND `parent-network` IN (?, ?)",
2199 $owner["uid"], $check_date, Protocol::OSTATUS, Protocol::DFRN];
2201 if ($filter === 'comments') {
2202 $condition[0] .= " AND `object-type` = ? ";
2203 $condition[] = Activity\ObjectType::COMMENT;
2206 if ($owner['account-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
2207 $condition[0] .= " AND `contact-id` = ? AND `author-id` = ?";
2208 $condition[] = $owner["id"];
2209 $condition[] = $authorid;
2212 $params = ['order' => ['received' => true], 'limit' => $max_items];
2214 if ($filter === 'posts') {
2215 $ret = Item::selectThread([], $condition, $params);
2217 $ret = Item::select([], $condition, $params);
2220 $items = Item::inArray($ret);
2222 $doc = new DOMDocument('1.0', 'utf-8');
2223 $doc->formatOutput = true;
2225 $root = self::addHeader($doc, $owner, $filter, $feed_mode);
2227 foreach ($items as $item) {
2228 if (DI::config()->get('system', 'ostatus_debug')) {
2229 $item['body'] .= '🍼';
2232 $entry = self::entry($doc, $item, $owner, false, $feed_mode);
2233 $root->appendChild($entry);
2235 if ($last_update < $item['created']) {
2236 $last_update = $item['created'];
2240 $feeddata = trim($doc->saveXML());
2242 $msg = ['feed' => $feeddata, 'last_update' => $last_update];
2243 DI::cache()->set($cachekey, $msg, Duration::QUARTER_HOUR);
2245 Logger::log('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created, Logger::DEBUG);
2251 * Creates the XML for a salmon message
2253 * @param array $item Data of the item that is to be posted
2254 * @param array $owner Contact data of the poster
2256 * @return string XML for the salmon
2257 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2258 * @throws \ImagickException
2260 public static function salmon(array $item, array $owner)
2262 $doc = new DOMDocument('1.0', 'utf-8');
2263 $doc->formatOutput = true;
2265 if (DI::config()->get('system', 'ostatus_debug')) {
2266 $item['body'] .= '🐟';
2269 $entry = self::entry($doc, $item, $owner, true);
2271 $doc->appendChild($entry);
2273 return trim($doc->saveXML());
2277 * Checks if the given contact url does support OStatus
2279 * @param string $url profile url
2280 * @param boolean $update Update the profile
2282 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2283 * @throws \ImagickException
2285 public static function isSupportedByContactUrl($url, $update = false)
2287 $probe = Probe::uri($url, Protocol::OSTATUS, 0, !$update);
2288 return $probe['network'] == Protocol::OSTATUS;