3 * @copyright Copyright (C) 2010-2022, 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\Enum\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\HTTPClient\Client\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 $uid = self::$itemlist[0]['uid'];
498 // We will import it everytime, when it is started by our contacts
499 $valid = Contact::isSharingByURL(self::$itemlist[0]['author-link'], $uid);
502 // If not, then it depends on this setting
503 $valid = !$uid || DI::pConfig()->get($uid, 'system', 'accept_only_sharer') != Item::COMPLETION_NONE;
506 Logger::info("Item with uri ".self::$itemlist[0]['uri']." will be imported due to the system settings.");
509 Logger::info("Item with uri ".self::$itemlist[0]['uri']." belongs to a contact (".self::$itemlist[0]['contact-id']."). It will be imported.");
512 if ($valid && DI::pConfig()->get($uid, 'system', 'accept_only_sharer') != Item::COMPLETION_LIKE) {
513 // Never post a thread when the only interaction by our contact was a like
515 $verbs = [Activity::POST, Activity::SHARE];
516 foreach (self::$itemlist as $item) {
517 if (in_array($item['verb'], $verbs) && Contact::isSharingByURL($item['author-link'], $item['uid'])) {
522 Logger::info("Item with uri ".self::$itemlist[0]['uri']." will be imported since the thread contains posts or shares.");
530 $default_contact = 0;
531 for ($key = count(self::$itemlist) - 1; $key >= 0; $key--) {
532 if (empty(self::$itemlist[$key]['contact-id'])) {
533 self::$itemlist[$key]['contact-id'] = $default_contact;
535 $default_contact = $item['contact-id'];
538 foreach (self::$itemlist as $item) {
539 $found = Post::exists(['uid' => $importer["uid"], 'uri' => $item["uri"]]);
541 Logger::notice("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already exists.");
542 } elseif ($item['contact-id'] < 0) {
543 Logger::notice("Item with uri ".$item["uri"]." is from a blocked contact.");
545 $ret = Item::insert($item);
546 Logger::info("Item with uri ".$item["uri"]." for user ".$importer["uid"].' stored. Return value: '.$ret);
550 self::$itemlist = [];
552 Logger::info('Processing done for post with URI '.$item["uri"].' for user '.$importer["uid"].'.');
558 * Removes notice item from database
560 * @param array $item item
564 private static function deleteNotice(array $item)
566 $condition = ['uid' => $item['uid'], 'author-id' => $item['author-id'], 'uri' => $item['uri']];
567 if (!Post::exists($condition)) {
568 Logger::notice('Item from '.$item['author-link'].' with uri '.$item['uri'].' for user '.$item['uid']." wasn't found. We don't delete it.");
572 Item::markForDeletion($condition);
574 Logger::notice('Deleted item with uri '.$item['uri'].' for user '.$item['uid']);
578 * Processes the XML for a post
580 * @param DOMXPath $xpath The xpath object
581 * @param object $entry The xml entry that is processed
582 * @param array $item The item array
583 * @param array $importer user record of the importing user
585 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
586 * @throws \ImagickException
588 private static function processPost(DOMXPath $xpath, $entry, array &$item, array $importer)
590 $item["body"] = HTML::toBBCode(XML::getFirstNodeValue($xpath, 'atom:content/text()', $entry));
591 $item["object-type"] = XML::getFirstNodeValue($xpath, 'activity:object-type/text()', $entry);
592 if (($item["object-type"] == Activity\ObjectType::BOOKMARK) || ($item["object-type"] == Activity\ObjectType::EVENT)) {
593 $item["title"] = XML::getFirstNodeValue($xpath, 'atom:title/text()', $entry);
594 $item["body"] = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $entry);
595 } elseif ($item["object-type"] == Activity\ObjectType::QUESTION) {
596 $item["title"] = XML::getFirstNodeValue($xpath, 'atom:title/text()', $entry);
599 $item["created"] = XML::getFirstNodeValue($xpath, 'atom:published/text()', $entry);
600 $item["edited"] = XML::getFirstNodeValue($xpath, 'atom:updated/text()', $entry);
601 $item['conversation-uri'] = XML::getFirstNodeValue($xpath, 'ostatus:conversation/text()', $entry);
603 $conv = $xpath->query('ostatus:conversation', $entry);
604 if (is_object($conv->item(0))) {
605 foreach ($conv->item(0)->attributes as $attributes) {
606 if ($attributes->name == "ref") {
607 $item['conversation-uri'] = $attributes->textContent;
609 if ($attributes->name == "href") {
610 $item['conversation-href'] = $attributes->textContent;
617 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
618 if (is_object($inreplyto->item(0))) {
619 foreach ($inreplyto->item(0)->attributes as $attributes) {
620 if ($attributes->name == "ref") {
621 $item["thr-parent"] = $attributes->textContent;
623 if ($attributes->name == "href") {
624 $related = $attributes->textContent;
629 $georsspoint = $xpath->query('georss:point', $entry);
630 if (!empty($georsspoint) && ($georsspoint->length > 0)) {
631 $item["coord"] = $georsspoint->item(0)->nodeValue;
634 $categories = $xpath->query('atom:category', $entry);
636 foreach ($categories as $category) {
637 foreach ($category->attributes as $attributes) {
638 if ($attributes->name == 'term') {
640 Tag::store($item['uri-id'], Tag::HASHTAG, $attributes->textContent);
649 $links = $xpath->query('atom:link', $entry);
651 $link_data = self::processLinks($links, $item);
652 $self = $link_data['self'];
653 $add_body = $link_data['add_body'];
658 $notice_info = $xpath->query('statusnet:notice_info', $entry);
659 if ($notice_info && ($notice_info->length > 0)) {
660 foreach ($notice_info->item(0)->attributes as $attributes) {
661 if ($attributes->name == "source") {
662 $item["app"] = strip_tags($attributes->textContent);
664 if ($attributes->name == "repeat_of") {
665 $repeat_of = $attributes->textContent;
669 // Is it a repeated post?
670 if (($repeat_of != "") || ($item["verb"] == Activity::SHARE)) {
671 $link_data = self::processRepeatedItem($xpath, $entry, $item, $importer);
672 if (!empty($link_data['add_body'])) {
673 $add_body .= $link_data['add_body'];
677 $item["body"] .= $add_body;
679 Tag::storeFromBody($item['uri-id'], $item['body']);
681 // Mastodon Content Warning
682 if (($item["verb"] == Activity::POST) && $xpath->evaluate('boolean(atom:summary)', $entry)) {
683 $clear_text = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $entry);
684 if (!empty($clear_text)) {
685 $item['content-warning'] = HTML::toBBCode($clear_text);
689 if (($self != '') && empty($item['protocol'])) {
690 self::fetchSelf($self, $item);
693 if (!empty($item["conversation-href"])) {
694 self::fetchConversation($item['conversation-href'], $item['conversation-uri']);
697 if (isset($item["thr-parent"])) {
698 if (!Post::exists(['uid' => $importer["uid"], 'uri' => $item['thr-parent']])) {
699 if ($related != '') {
700 self::fetchRelated($related, $item["thr-parent"], $importer);
703 Logger::info('Reply with URI '.$item["uri"].' already existed for user '.$importer["uid"].'.');
706 $item["thr-parent"] = $item["uri"];
707 $item["gravity"] = GRAVITY_PARENT;
710 if (($item['author-link'] != '') && !empty($item['protocol'])) {
711 $item = Conversation::insert($item);
714 self::$itemlist[] = $item;
718 * Fetch the conversation for posts
720 * @param string $conversation The link to the conversation
721 * @param string $conversation_uri The conversation in "uri" format
723 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
725 private static function fetchConversation($conversation, $conversation_uri)
727 // Ensure that we only store a conversation once in a process
728 if (isset(self::$conv_list[$conversation])) {
732 self::$conv_list[$conversation] = true;
734 $curlResult = DI::httpClient()->get($conversation, [HttpClientOptions::ACCEPT_CONTENT => ['application/atom+xml', 'text/html']]);
736 if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
742 if ($curlResult->inHeader('Content-Type') &&
743 in_array('application/atom+xml', $curlResult->getHeader('Content-Type'))) {
744 $xml = $curlResult->getBody();
748 $doc = new DOMDocument();
749 if (!@$doc->loadHTML($curlResult->getBody())) {
752 $xpath = new DOMXPath($doc);
754 $links = $xpath->query('//link');
757 foreach ($links as $link) {
758 $attribute = self::readAttributes($link);
759 if (($attribute['rel'] == 'alternate') && ($attribute['type'] == 'application/atom+xml')) {
760 $file = $attribute['href'];
764 $conversation_atom = DI::httpClient()->get($attribute['href']);
766 if ($conversation_atom->isSuccess()) {
767 $xml = $conversation_atom->getBody();
777 self::storeConversation($xml, $conversation, $conversation_uri);
781 * Store a feed in several conversation entries
783 * @param string $xml The feed
784 * @param string $conversation conversation
785 * @param string $conversation_uri conversation uri
789 private static function storeConversation($xml, $conversation = '', $conversation_uri = '')
791 $doc = new DOMDocument();
792 @$doc->loadXML($xml);
794 $xpath = new DOMXPath($doc);
795 $xpath->registerNamespace('atom', ActivityNamespace::ATOM1);
796 $xpath->registerNamespace('thr', ActivityNamespace::THREAD);
797 $xpath->registerNamespace('ostatus', ActivityNamespace::OSTATUS);
799 $entries = $xpath->query('/atom:feed/atom:entry');
801 // Now store the entries
802 foreach ($entries as $entry) {
803 $doc2 = new DOMDocument();
804 $doc2->preserveWhiteSpace = false;
805 $doc2->formatOutput = true;
809 $conv_data['protocol'] = Conversation::PARCEL_SPLIT_CONVERSATION;
810 $conv_data['direction'] = Conversation::PULL;
811 $conv_data['network'] = Protocol::OSTATUS;
812 $conv_data['uri'] = XML::getFirstNodeValue($xpath, 'atom:id/text()', $entry);
814 $inreplyto = $xpath->query('thr:in-reply-to', $entry);
815 if (is_object($inreplyto->item(0))) {
816 foreach ($inreplyto->item(0)->attributes as $attributes) {
817 if ($attributes->name == "ref") {
818 $conv_data['reply-to-uri'] = $attributes->textContent;
823 $conv_data['conversation-uri'] = XML::getFirstNodeValue($xpath, 'ostatus:conversation/text()', $entry);
825 $conv = $xpath->query('ostatus:conversation', $entry);
826 if (is_object($conv->item(0))) {
827 foreach ($conv->item(0)->attributes as $attributes) {
828 if ($attributes->name == "ref") {
829 $conv_data['conversation-uri'] = $attributes->textContent;
831 if ($attributes->name == "href") {
832 $conv_data['conversation-href'] = $attributes->textContent;
837 if ($conversation != '') {
838 $conv_data['conversation-uri'] = $conversation;
841 if ($conversation_uri != '') {
842 $conv_data['conversation-uri'] = $conversation_uri;
845 $entry = $doc2->importNode($entry, true);
847 $doc2->appendChild($entry);
849 $conv_data['source'] = $doc2->saveXML();
851 Logger::info('Store conversation data for uri '.$conv_data['uri']);
852 Conversation::insert($conv_data);
857 * Fetch the own post so that it can be stored later
859 * We want to store the original data for later processing.
860 * This function is meant for cases where we process a feed with multiple entries.
861 * In that case we need to fetch the single posts here.
863 * @param string $self The link to the self item
864 * @param array $item The item array
866 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
868 private static function fetchSelf($self, array &$item)
870 $condition = ['item-uri' => $self, 'protocol' => [Conversation::PARCEL_DFRN,
871 Conversation::PARCEL_DIASPORA_DFRN, Conversation::PARCEL_LOCAL_DFRN,
872 Conversation::PARCEL_DIRECT, Conversation::PARCEL_SALMON]];
873 if (DBA::exists('conversation', $condition)) {
874 Logger::info('Conversation '.$item['uri'].' is already stored.');
878 $curlResult = DI::httpClient()->get($self);
880 if (!$curlResult->isSuccess()) {
884 // We reformat the XML to make it better readable
885 $doc = new DOMDocument();
886 $doc->loadXML($curlResult->getBody());
887 $doc->preserveWhiteSpace = false;
888 $doc->formatOutput = true;
889 $xml = $doc->saveXML();
891 $item["protocol"] = Conversation::PARCEL_SALMON;
892 $item["source"] = $xml;
893 $item["direction"] = Conversation::PULL;
895 Logger::info('Conversation '.$item['uri'].' is now fetched.');
899 * Fetch related posts and processes them
901 * @param string $related The link to the related item
902 * @param string $related_uri The related item in "uri" format
903 * @param array $importer user record of the importing user
905 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
906 * @throws \ImagickException
908 private static function fetchRelated($related, $related_uri, $importer)
910 $condition = ['item-uri' => $related_uri, 'protocol' => [Conversation::PARCEL_DFRN,
911 Conversation::PARCEL_DIASPORA_DFRN, Conversation::PARCEL_LOCAL_DFRN,
912 Conversation::PARCEL_DIRECT, Conversation::PARCEL_SALMON]];
913 $conversation = DBA::selectFirst('conversation', ['source', 'protocol'], $condition);
914 if (DBA::isResult($conversation)) {
916 $xml = $conversation['source'];
917 if (self::process($xml, $importer, $contact, $hub, $stored, false, Conversation::PULL)) {
918 Logger::info('Got valid cached XML for URI '.$related_uri);
921 if ($conversation['protocol'] == Conversation::PARCEL_SALMON) {
922 Logger::info('Delete invalid cached XML for URI '.$related_uri);
923 DBA::delete('conversation', ['item-uri' => $related_uri]);
928 $curlResult = DI::httpClient()->get($related, [HttpClientOptions::ACCEPT_CONTENT => ['application/atom+xml', 'text/html']]);
930 if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
936 if ($curlResult->inHeader('Content-Type') &&
937 in_array('application/atom+xml', $curlResult->getHeader('Content-Type'))) {
938 Logger::info('Directly fetched XML for URI ' . $related_uri);
939 $xml = $curlResult->getBody();
943 $doc = new DOMDocument();
944 if (!@$doc->loadHTML($curlResult->getBody())) {
947 $xpath = new DOMXPath($doc);
951 $links = $xpath->query('//link');
953 foreach ($links as $link) {
954 $attribute = self::readAttributes($link);
955 if (($attribute['rel'] == 'alternate') && ($attribute['type'] == 'application/atom+xml')) {
956 $atom_file = $attribute['href'];
959 if ($atom_file != '') {
960 $curlResult = DI::httpClient()->get($atom_file);
962 if ($curlResult->isSuccess()) {
963 Logger::info('Fetched XML for URI ' . $related_uri);
964 $xml = $curlResult->getBody();
970 // Workaround for older GNU Social servers
971 if (($xml == '') && strstr($related, '/notice/')) {
972 $curlResult = DI::httpClient()->get(str_replace('/notice/', '/api/statuses/show/', $related) . '.atom');
974 if ($curlResult->isSuccess()) {
975 Logger::info('GNU Social workaround to fetch XML for URI ' . $related_uri);
976 $xml = $curlResult->getBody();
980 // Even more worse workaround for GNU Social ;-)
982 $related_guess = self::convertHref($related_uri);
983 $curlResult = DI::httpClient()->get(str_replace('/notice/', '/api/statuses/show/', $related_guess) . '.atom');
985 if ($curlResult->isSuccess()) {
986 Logger::info('GNU Social workaround 2 to fetch XML for URI ' . $related_uri);
987 $xml = $curlResult->getBody();
991 // Finally we take the data that we fetched from "ostatus:conversation"
993 $condition = ['item-uri' => $related_uri, 'protocol' => Conversation::PARCEL_SPLIT_CONVERSATION];
994 $conversation = DBA::selectFirst('conversation', ['source'], $condition);
995 if (DBA::isResult($conversation)) {
997 Logger::info('Got cached XML from conversation for URI '.$related_uri);
998 $xml = $conversation['source'];
1003 self::process($xml, $importer, $contact, $hub, $stored, false, Conversation::PULL);
1005 Logger::info("XML couldn't be fetched for URI: ".$related_uri." - href: ".$related);
1011 * Processes the XML for a repeated post
1013 * @param DOMXPath $xpath The xpath object
1014 * @param object $entry The xml entry that is processed
1015 * @param array $item The item array
1016 * @param array $importer user record of the importing user
1018 * @return array with data from links
1019 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1020 * @throws \ImagickException
1022 private static function processRepeatedItem(DOMXPath $xpath, $entry, array &$item, array $importer)
1024 $activityobject = $xpath->query('activity:object', $entry)->item(0);
1026 if (!is_object($activityobject)) {
1032 $orig_uri = XML::getFirstNodeValue($xpath, 'atom:id/text()', $activityobject);
1034 $links = $xpath->query("atom:link", $activityobject);
1036 $link_data = self::processLinks($links, $item);
1039 $orig_body = XML::getFirstNodeValue($xpath, 'atom:content/text()', $activityobject);
1040 $orig_created = XML::getFirstNodeValue($xpath, 'atom:published/text()', $activityobject);
1041 $orig_edited = XML::getFirstNodeValue($xpath, 'atom:updated/text()', $activityobject);
1043 $orig_author = self::fetchAuthor($xpath, $activityobject, $importer, $dummy, false);
1045 $item["author-name"] = $orig_author["author-name"];
1046 $item["author-link"] = $orig_author["author-link"];
1047 $item["author-id"] = $orig_author["author-id"];
1049 $item["body"] = HTML::toBBCode($orig_body);
1050 $item["created"] = $orig_created;
1051 $item["edited"] = $orig_edited;
1053 $item["uri"] = $orig_uri;
1055 $item["verb"] = XML::getFirstNodeValue($xpath, 'activity:verb/text()', $activityobject);
1057 $item["object-type"] = XML::getFirstNodeValue($xpath, 'activity:object-type/text()', $activityobject);
1059 // Mastodon Content Warning
1060 if (($item["verb"] == Activity::POST) && $xpath->evaluate('boolean(atom:summary)', $activityobject)) {
1061 $clear_text = XML::getFirstNodeValue($xpath, 'atom:summary/text()', $activityobject);
1062 if (!empty($clear_text)) {
1063 $item['content-warning'] = HTML::toBBCode($clear_text);
1067 $inreplyto = $xpath->query('thr:in-reply-to', $activityobject);
1068 if (is_object($inreplyto->item(0))) {
1069 foreach ($inreplyto->item(0)->attributes as $attributes) {
1070 if ($attributes->name == "ref") {
1071 $item["thr-parent"] = $attributes->textContent;
1080 * Processes links in the XML
1082 * @param object $links The xml data that contain links
1083 * @param array $item The item array
1085 * @return array with data from the links
1087 private static function processLinks($links, array &$item)
1089 $link_data = ['add_body' => '', 'self' => ''];
1091 foreach ($links as $link) {
1092 $attribute = self::readAttributes($link);
1094 if (!empty($attribute['rel']) && !empty($attribute['href'])) {
1095 switch ($attribute['rel']) {
1097 $item["plink"] = $attribute['href'];
1098 if (($item["object-type"] == Activity\ObjectType::QUESTION)
1099 || ($item["object-type"] == Activity\ObjectType::EVENT)
1101 Post\Media::insert(['uri-id' => $item['uri-id'], 'type' => Post\Media::UNKNOWN,
1102 'url' => $attribute['href'], 'mimetype' => $attribute['type'] ?? null,
1103 'size' => $attribute['length'] ?? null, 'description' => $attribute['title'] ?? null]);
1106 case "ostatus:conversation":
1107 $link_data['conversation'] = $attribute['href'];
1108 $item['conversation-href'] = $link_data['conversation'];
1109 if (!isset($item['conversation-uri'])) {
1110 $item['conversation-uri'] = $item['conversation-href'];
1114 $filetype = strtolower(substr($attribute['type'], 0, strpos($attribute['type'], '/')));
1115 if ($filetype == 'image') {
1116 $link_data['add_body'] .= "\n[img]".$attribute['href'].'[/img]';
1118 Post\Media::insert(['uri-id' => $item['uri-id'], 'type' => Post\Media::DOCUMENT,
1119 'url' => $attribute['href'], 'mimetype' => $attribute['type'],
1120 'size' => $attribute['length'] ?? null, 'description' => $attribute['title'] ?? null]);
1124 if ($item["object-type"] != Activity\ObjectType::BOOKMARK) {
1125 if (!isset($item["thr-parent"])) {
1126 $item["thr-parent"] = $attribute['href'];
1128 $link_data['related'] = $attribute['href'];
1130 Post\Media::insert(['uri-id' => $item['uri-id'], 'type' => Post\Media::UNKNOWN,
1131 'url' => $attribute['href'], 'mimetype' => $attribute['type'] ?? null,
1132 'size' => $attribute['length'] ?? null, 'description' => $attribute['title'] ?? null]);
1136 if (empty($item["plink"])) {
1137 $item["plink"] = $attribute['href'];
1139 $link_data['self'] = $attribute['href'];
1148 * Create an url out of an uri
1150 * @param string $href URI in the format "parameter1:parameter1:..."
1152 * @return string URL in the format http(s)://....
1154 private static function convertHref($href)
1156 $elements = explode(":", $href);
1158 if ((count($elements) <= 2) || ($elements[0] != "tag")) {
1162 $server = explode(",", $elements[1]);
1163 $conversation = explode("=", $elements[2]);
1165 if ((count($elements) == 4) && ($elements[2] == "post")) {
1166 return "http://".$server[0]."/notice/".$elements[3];
1169 if ((count($conversation) != 2) || ($conversation[1] =="")) {
1172 if ($elements[3] == "objectType=thread") {
1173 return "http://".$server[0]."/conversation/".$conversation[1];
1175 return "http://".$server[0]."/notice/".$conversation[1];
1180 * Cleans the body of a post if it contains picture links
1182 * @param string $body The body
1184 * @return string The cleaned body
1185 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1187 public static function formatPicturePost($body, $uriid)
1189 $siteinfo = BBCode::getAttachedData($body);
1191 if (($siteinfo["type"] == "photo") && (!empty($siteinfo["preview"]) || !empty($siteinfo["image"]))) {
1192 if (isset($siteinfo["preview"])) {
1193 $preview = $siteinfo["preview"];
1195 $preview = $siteinfo["image"];
1198 // Is it a remote picture? Then make a smaller preview here
1199 $preview = Post\Link::getByLink($uriid, $preview, Proxy::SIZE_SMALL);
1201 // Is it a local picture? Then make it smaller here
1202 $preview = str_replace(["-0.jpg", "-0.png"], ["-2.jpg", "-2.png"], $preview);
1203 $preview = str_replace(["-1.jpg", "-1.png"], ["-2.jpg", "-2.png"], $preview);
1205 if (isset($siteinfo["url"])) {
1206 $url = $siteinfo["url"];
1208 $url = $siteinfo["image"];
1211 $body = trim($siteinfo["text"])." [url]".$url."[/url]\n[img]".$preview."[/img]";
1218 * Adds the header elements to the XML document
1220 * @param DOMDocument $doc XML document
1221 * @param array $owner Contact data of the poster
1222 * @param string $filter The related feed filter (activity, posts or comments)
1224 * @return object header root element
1225 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1227 private static function addHeader(DOMDocument $doc, array $owner, $filter)
1229 $root = $doc->createElementNS(ActivityNamespace::ATOM1, 'feed');
1230 $doc->appendChild($root);
1232 $root->setAttribute("xmlns:thr", ActivityNamespace::THREAD);
1233 $root->setAttribute("xmlns:georss", ActivityNamespace::GEORSS);
1234 $root->setAttribute("xmlns:activity", ActivityNamespace::ACTIVITY);
1235 $root->setAttribute("xmlns:media", ActivityNamespace::MEDIA);
1236 $root->setAttribute("xmlns:poco", ActivityNamespace::POCO);
1237 $root->setAttribute("xmlns:ostatus", ActivityNamespace::OSTATUS);
1238 $root->setAttribute("xmlns:statusnet", ActivityNamespace::STATUSNET);
1239 $root->setAttribute("xmlns:mastodon", ActivityNamespace::MASTODON);
1242 $selfUri = '/feed/' . $owner["nick"] . '/';
1245 $title = DI::l10n()->t('%s\'s timeline', $owner['name']);
1246 $selfUri .= $filter;
1249 $title = DI::l10n()->t('%s\'s posts', $owner['name']);
1252 $title = DI::l10n()->t('%s\'s comments', $owner['name']);
1253 $selfUri .= $filter;
1257 $selfUri = "/dfrn_poll/" . $owner["nick"];
1259 $attributes = ["uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION . "-" . DB_UPDATE_VERSION];
1260 XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
1261 XML::addElement($doc, $root, "id", DI::baseUrl() . "/profile/" . $owner["nick"]);
1262 XML::addElement($doc, $root, "title", $title);
1263 XML::addElement($doc, $root, "subtitle", sprintf("Updates from %s on %s", $owner["name"], DI::config()->get('config', 'sitename')));
1264 XML::addElement($doc, $root, "logo", User::getAvatarUrl($owner, Proxy::SIZE_SMALL));
1265 XML::addElement($doc, $root, "updated", DateTimeFormat::utcNow(DateTimeFormat::ATOM));
1267 $author = self::addAuthor($doc, $owner, true);
1268 $root->appendChild($author);
1270 $attributes = ["href" => $owner["url"], "rel" => "alternate", "type" => "text/html"];
1271 XML::addElement($doc, $root, "link", "", $attributes);
1273 /// @TODO We have to find out what this is
1274 /// $attributes = array("href" => DI::baseUrl()."/sup",
1275 /// "rel" => "http://api.friendfeed.com/2008/03#sup",
1276 /// "type" => "application/json");
1277 /// XML::addElement($doc, $root, "link", "", $attributes);
1279 self::hublinks($doc, $root, $owner["nick"]);
1281 $attributes = ["href" => DI::baseUrl() . "/salmon/" . $owner["nick"], "rel" => "salmon"];
1282 XML::addElement($doc, $root, "link", "", $attributes);
1284 $attributes = ["href" => DI::baseUrl() . "/salmon/" . $owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-replies"];
1285 XML::addElement($doc, $root, "link", "", $attributes);
1287 $attributes = ["href" => DI::baseUrl() . "/salmon/" . $owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-mention"];
1288 XML::addElement($doc, $root, "link", "", $attributes);
1290 $attributes = ["href" => DI::baseUrl() . $selfUri, "rel" => "self", "type" => "application/atom+xml"];
1291 XML::addElement($doc, $root, "link", "", $attributes);
1293 if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
1294 $condition = ['uid' => $owner['uid'], 'self' => false, 'pending' => false,
1295 'archive' => false, 'hidden' => false, 'blocked' => false];
1296 $members = DBA::count('contact', $condition);
1297 XML::addElement($doc, $root, "statusnet:group_info", "", ["member_count" => $members]);
1304 * Add the link to the push hubs to the XML document
1306 * @param DOMDocument $doc XML document
1307 * @param object $root XML root element where the hub links are added
1308 * @param object $nick nick
1310 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1312 public static function hublinks(DOMDocument $doc, $root, $nick)
1314 $h = DI::baseUrl() . '/pubsubhubbub/'.$nick;
1315 XML::addElement($doc, $root, "link", "", ["href" => $h, "rel" => "hub"]);
1319 * Adds attachment data to the XML document
1321 * @param DOMDocument $doc XML document
1322 * @param object $root XML root element where the hub links are added
1323 * @param array $item Data of the item that is to be posted
1325 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1327 public static function getAttachment(DOMDocument $doc, $root, $item)
1329 $siteinfo = BBCode::getAttachedData($item["body"]);
1331 switch ($siteinfo["type"]) {
1333 if (!empty($siteinfo["image"])) {
1334 $imgdata = Images::getInfoFromURLCached($siteinfo["image"]);
1336 $attributes = ["rel" => "enclosure",
1337 "href" => $siteinfo["image"],
1338 "type" => $imgdata["mime"],
1339 "length" => intval($imgdata["size"])];
1340 XML::addElement($doc, $root, "link", "", $attributes);
1345 $attributes = ["rel" => "enclosure",
1346 "href" => $siteinfo["url"],
1347 "type" => "text/html; charset=UTF-8",
1349 "title" => ($siteinfo["title"] ?? '') ?: $siteinfo["url"],
1351 XML::addElement($doc, $root, "link", "", $attributes);
1357 if (!DI::config()->get('system', 'ostatus_not_attach_preview') && ($siteinfo["type"] != "photo") && isset($siteinfo["image"])) {
1358 $imgdata = Images::getInfoFromURLCached($siteinfo["image"]);
1360 $attributes = ["rel" => "enclosure",
1361 "href" => $siteinfo["image"],
1362 "type" => $imgdata["mime"],
1363 "length" => intval($imgdata["size"])];
1365 XML::addElement($doc, $root, "link", "", $attributes);
1369 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
1370 $attributes = ['rel' => 'enclosure',
1371 'href' => $attachment['url'],
1372 'type' => $attachment['mimetype']];
1374 if (!empty($attachment['size'])) {
1375 $attributes['length'] = intval($attachment['size']);
1377 if (!empty($attachment['description'])) {
1378 $attributes['title'] = $attachment['description'];
1381 XML::addElement($doc, $root, 'link', '', $attributes);
1386 * Adds the author element to the XML document
1388 * @param DOMDocument $doc XML document
1389 * @param array $owner Contact data of the poster
1390 * @param bool $show_profile Whether to show profile
1392 * @return \DOMElement author element
1393 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1395 private static function addAuthor(DOMDocument $doc, array $owner, $show_profile = true)
1397 $profile = DBA::selectFirst('profile', ['homepage', 'publish'], ['uid' => $owner['uid']]);
1398 $author = $doc->createElement("author");
1399 XML::addElement($doc, $author, "id", $owner["url"]);
1400 if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
1401 XML::addElement($doc, $author, "activity:object-type", Activity\ObjectType::GROUP);
1403 XML::addElement($doc, $author, "activity:object-type", Activity\ObjectType::PERSON);
1406 XML::addElement($doc, $author, "uri", $owner["url"]);
1407 XML::addElement($doc, $author, "name", $owner["nick"]);
1408 XML::addElement($doc, $author, "email", $owner["addr"]);
1409 if ($show_profile) {
1410 XML::addElement($doc, $author, "summary", BBCode::convertForUriId($owner['uri-id'], $owner["about"], BBCode::OSTATUS));
1413 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $owner["url"]];
1414 XML::addElement($doc, $author, "link", "", $attributes);
1418 "type" => "image/jpeg", // To-Do?
1419 "media:width" => Proxy::PIXEL_SMALL,
1420 "media:height" => Proxy::PIXEL_SMALL,
1421 "href" => User::getAvatarUrl($owner, Proxy::SIZE_SMALL)];
1422 XML::addElement($doc, $author, "link", "", $attributes);
1424 if (isset($owner["thumb"])) {
1427 "type" => "image/jpeg", // To-Do?
1428 "media:width" => Proxy::PIXEL_THUMB,
1429 "media:height" => Proxy::PIXEL_THUMB,
1430 "href" => User::getAvatarUrl($owner, Proxy::SIZE_THUMB)];
1431 XML::addElement($doc, $author, "link", "", $attributes);
1434 XML::addElement($doc, $author, "poco:preferredUsername", $owner["nick"]);
1435 XML::addElement($doc, $author, "poco:displayName", $owner["name"]);
1436 if ($show_profile) {
1437 XML::addElement($doc, $author, "poco:note", BBCode::convertForUriId($owner['uri-id'], $owner["about"], BBCode::OSTATUS));
1439 if (trim($owner["location"]) != "") {
1440 $element = $doc->createElement("poco:address");
1441 XML::addElement($doc, $element, "poco:formatted", $owner["location"]);
1442 $author->appendChild($element);
1446 if (DBA::isResult($profile) && !$show_profile) {
1447 if (trim($profile["homepage"]) != "") {
1448 $urls = $doc->createElement("poco:urls");
1449 XML::addElement($doc, $urls, "poco:type", "homepage");
1450 XML::addElement($doc, $urls, "poco:value", $profile["homepage"]);
1451 XML::addElement($doc, $urls, "poco:primary", "true");
1452 $author->appendChild($urls);
1455 XML::addElement($doc, $author, "followers", "", ["url" => DI::baseUrl() . "/profile/" . $owner["nick"] . "/contacts/followers"]);
1456 XML::addElement($doc, $author, "statusnet:profile_info", "", ["local_id" => $owner["uid"]]);
1458 if ($profile["publish"]) {
1459 XML::addElement($doc, $author, "mastodon:scope", "public");
1467 * @TODO Picture attachments should look like this:
1468 * <a href="https://status.pirati.ca/attachment/572819" title="https://status.pirati.ca/file/heluecht-20151202T222602-rd3u49p.gif"
1469 * class="attachment thumbnail" id="attachment-572819" rel="nofollow external">https://status.pirati.ca/attachment/572819</a>
1473 * Returns the given activity if present - otherwise returns the "post" activity
1475 * @param array $item Data of the item that is to be posted
1477 * @return string activity
1479 public static function constructVerb(array $item)
1481 if (!empty($item['verb'])) {
1482 return $item['verb'];
1485 return Activity::POST;
1489 * Returns the given object type if present - otherwise returns the "note" object type
1491 * @param array $item Data of the item that is to be posted
1493 * @return string Object type
1495 private static function constructObjecttype(array $item)
1497 if (!empty($item['object-type']) && in_array($item['object-type'], [Activity\ObjectType::NOTE, Activity\ObjectType::COMMENT])) {
1498 return $item['object-type'];
1501 return Activity\ObjectType::NOTE;
1505 * Adds an entry element to the XML document
1507 * @param DOMDocument $doc XML document
1508 * @param array $item Data of the item that is to be posted
1509 * @param array $owner Contact data of the poster
1510 * @param bool $toplevel optional default false
1512 * @return \DOMElement Entry element
1513 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1514 * @throws \ImagickException
1516 private static function entry(DOMDocument $doc, array $item, array $owner, $toplevel = false)
1518 if ($item["verb"] == Activity::LIKE) {
1519 return self::likeEntry($doc, $item, $owner, $toplevel);
1520 } elseif (in_array($item["verb"], [Activity::FOLLOW, Activity::O_UNFOLLOW])) {
1521 return self::followEntry($doc, $item, $owner, $toplevel);
1523 return self::noteEntry($doc, $item, $owner, $toplevel);
1528 * Adds an entry element with a "like"
1530 * @param DOMDocument $doc XML document
1531 * @param array $item Data of the item that is to be posted
1532 * @param array $owner Contact data of the poster
1533 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1535 * @return \DOMElement Entry element with "like"
1536 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1537 * @throws \ImagickException
1539 private static function likeEntry(DOMDocument $doc, array $item, array $owner, $toplevel)
1541 if (($item['gravity'] != GRAVITY_PARENT) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
1542 Logger::info("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.");
1545 $entry = self::entryHeader($doc, $owner, $item, $toplevel);
1547 $verb = ActivityNamespace::ACTIVITY_SCHEMA . "favorite";
1548 self::entryContent($doc, $entry, $item, $owner, "Favorite", $verb, false);
1550 $parent = Post::selectFirst([], ['uri' => $item["thr-parent"], 'uid' => $item["uid"]]);
1551 if (DBA::isResult($parent)) {
1552 $as_object = $doc->createElement("activity:object");
1554 XML::addElement($doc, $as_object, "activity:object-type", self::constructObjecttype($parent));
1556 self::entryContent($doc, $as_object, $parent, $owner, "New entry");
1558 $entry->appendChild($as_object);
1561 self::entryFooter($doc, $entry, $item, $owner);
1567 * Adds the person object element to the XML document
1569 * @param DOMDocument $doc XML document
1570 * @param array $owner Contact data of the poster
1571 * @param array $contact Contact data of the target
1573 * @return object author element
1575 private static function addPersonObject(DOMDocument $doc, array $owner, array $contact)
1577 $object = $doc->createElement("activity:object");
1578 XML::addElement($doc, $object, "activity:object-type", Activity\ObjectType::PERSON);
1580 if ($contact['network'] == Protocol::PHANTOM) {
1581 XML::addElement($doc, $object, "id", $contact['url']);
1585 XML::addElement($doc, $object, "id", $contact["alias"]);
1586 XML::addElement($doc, $object, "title", $contact["nick"]);
1588 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $contact["url"]];
1589 XML::addElement($doc, $object, "link", "", $attributes);
1593 "type" => "image/jpeg", // To-Do?
1594 "media:width" => 300,
1595 "media:height" => 300,
1596 "href" => $contact["photo"]];
1597 XML::addElement($doc, $object, "link", "", $attributes);
1599 XML::addElement($doc, $object, "poco:preferredUsername", $contact["nick"]);
1600 XML::addElement($doc, $object, "poco:displayName", $contact["name"]);
1602 if (trim($contact["location"]) != "") {
1603 $element = $doc->createElement("poco:address");
1604 XML::addElement($doc, $element, "poco:formatted", $contact["location"]);
1605 $object->appendChild($element);
1612 * Adds a follow/unfollow entry element
1614 * @param DOMDocument $doc XML document
1615 * @param array $item Data of the follow/unfollow message
1616 * @param array $owner Contact data of the poster
1617 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1619 * @return \DOMElement Entry element
1620 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1621 * @throws \ImagickException
1623 private static function followEntry(DOMDocument $doc, array $item, array $owner, $toplevel)
1625 $item["id"] = $item['parent'] = 0;
1626 $item["created"] = $item["edited"] = date("c");
1627 $item["private"] = Item::PRIVATE;
1629 $contact = Contact::getByURL($item['follow']);
1630 $item['follow'] = $contact['url'];
1632 if ($contact['alias']) {
1633 $item['follow'] = $contact['alias'];
1635 $contact['alias'] = $contact['url'];
1638 $condition = ['uid' => $owner['uid'], 'nurl' => Strings::normaliseLink($contact["url"])];
1639 $user_contact = DBA::selectFirst('contact', ['id'], $condition);
1641 if (DBA::isResult($user_contact)) {
1642 $connect_id = $user_contact['id'];
1647 if ($item['verb'] == Activity::FOLLOW) {
1648 $message = DI::l10n()->t('%s is now following %s.');
1649 $title = DI::l10n()->t('following');
1650 $action = "subscription";
1652 $message = DI::l10n()->t('%s stopped following %s.');
1653 $title = DI::l10n()->t('stopped following');
1654 $action = "unfollow";
1657 $item["uri"] = $item['parent-uri'] = $item['thr-parent']
1658 = 'tag:' . DI::baseUrl()->getHostname().
1659 ','.date('Y-m-d').':'.$action.':'.$owner['uid'].
1660 ':person:'.$connect_id.':'.$item['created'];
1662 $item["body"] = sprintf($message, $owner["nick"], $contact["nick"]);
1664 $entry = self::entryHeader($doc, $owner, $item, $toplevel);
1666 self::entryContent($doc, $entry, $item, $owner, $title);
1668 $object = self::addPersonObject($doc, $owner, $contact);
1669 $entry->appendChild($object);
1671 self::entryFooter($doc, $entry, $item, $owner);
1677 * Adds a regular entry element
1679 * @param DOMDocument $doc XML document
1680 * @param array $item Data of the item that is to be posted
1681 * @param array $owner Contact data of the poster
1682 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1684 * @return \DOMElement Entry element
1685 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1686 * @throws \ImagickException
1688 private static function noteEntry(DOMDocument $doc, array $item, array $owner, $toplevel)
1690 if (($item['gravity'] != GRAVITY_PARENT) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
1691 Logger::info("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.");
1695 if (!empty($item['title'])) {
1696 $title = BBCode::convertForUriId($item['uri-id'], $item['title'], BBCode::OSTATUS);
1698 $title = sprintf("New note by %s", $owner["nick"]);
1701 $title = sprintf("New comment by %s", $owner["nick"]);
1704 $entry = self::entryHeader($doc, $owner, $item, $toplevel);
1706 XML::addElement($doc, $entry, "activity:object-type", Activity\ObjectType::NOTE);
1708 self::entryContent($doc, $entry, $item, $owner, $title, '', true);
1710 self::entryFooter($doc, $entry, $item, $owner, true);
1716 * Adds a header element to the XML document
1718 * @param DOMDocument $doc XML document
1719 * @param array $owner Contact data of the poster
1720 * @param array $item
1721 * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
1723 * @return \DOMElement The entry element where the elements are added
1724 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1725 * @throws \ImagickException
1727 public static function entryHeader(DOMDocument $doc, array $owner, array $item, $toplevel)
1730 $entry = $doc->createElement("entry");
1732 if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
1733 $contact = Contact::getByURL($item['author-link']) ?: $owner;
1734 $author = self::addAuthor($doc, $contact, false);
1735 $entry->appendChild($author);
1738 $entry = $doc->createElementNS(ActivityNamespace::ATOM1, "entry");
1740 $entry->setAttribute("xmlns:thr", ActivityNamespace::THREAD);
1741 $entry->setAttribute("xmlns:georss", ActivityNamespace::GEORSS);
1742 $entry->setAttribute("xmlns:activity", ActivityNamespace::ACTIVITY);
1743 $entry->setAttribute("xmlns:media", ActivityNamespace::MEDIA);
1744 $entry->setAttribute("xmlns:poco", ActivityNamespace::POCO);
1745 $entry->setAttribute("xmlns:ostatus", ActivityNamespace::OSTATUS);
1746 $entry->setAttribute("xmlns:statusnet", ActivityNamespace::STATUSNET);
1747 $entry->setAttribute("xmlns:mastodon", ActivityNamespace::MASTODON);
1749 $author = self::addAuthor($doc, $owner);
1750 $entry->appendChild($author);
1757 * Adds elements to the XML document
1759 * @param DOMDocument $doc XML document
1760 * @param \DOMElement $entry Entry element where the content is added
1761 * @param array $item Data of the item that is to be posted
1762 * @param array $owner Contact data of the poster
1763 * @param string $title Title for the post
1764 * @param string $verb The activity verb
1765 * @param bool $complete Add the "status_net" element?
1767 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1769 private static function entryContent(DOMDocument $doc, \DOMElement $entry, array $item, array $owner, $title, $verb = "", $complete = true)
1772 $verb = self::constructVerb($item);
1775 XML::addElement($doc, $entry, "id", $item["uri"]);
1776 XML::addElement($doc, $entry, "title", html_entity_decode($title, ENT_QUOTES, 'UTF-8'));
1778 $body = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body']);
1779 $body = self::formatPicturePost($body, $item['uri-id']);
1781 if (!empty($item['title'])) {
1782 $body = "[b]".$item['title']."[/b]\n\n".$body;
1785 $body = BBCode::convertForUriId($item['uri-id'], $body, BBCode::OSTATUS);
1787 XML::addElement($doc, $entry, "content", $body, ["type" => "html"]);
1789 XML::addElement($doc, $entry, "link", "", ["rel" => "alternate", "type" => "text/html",
1790 "href" => DI::baseUrl()."/display/".$item["guid"]]
1793 if ($complete && ($item["id"] > 0)) {
1794 XML::addElement($doc, $entry, "status_net", "", ["notice_id" => $item["id"]]);
1797 XML::addElement($doc, $entry, "activity:verb", $verb);
1799 XML::addElement($doc, $entry, "published", DateTimeFormat::utc($item["created"]."+00:00", DateTimeFormat::ATOM));
1800 XML::addElement($doc, $entry, "updated", DateTimeFormat::utc($item["edited"]."+00:00", DateTimeFormat::ATOM));
1804 * Adds the elements at the foot of an entry to the XML document
1806 * @param DOMDocument $doc XML document
1807 * @param object $entry The entry element where the elements are added
1808 * @param array $item Data of the item that is to be posted
1809 * @param array $owner Contact data of the poster
1810 * @param bool $complete default true
1812 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1814 private static function entryFooter(DOMDocument $doc, $entry, array $item, array $owner, $complete = true)
1818 if ($item['gravity'] != GRAVITY_PARENT) {
1819 $parent = Post::selectFirst(['guid', 'author-link', 'owner-link'], ['id' => $item['parent']]);
1821 $thrparent = Post::selectFirst(['guid', 'author-link', 'owner-link', 'plink'], ['uid' => $owner['uid'], 'uri' => $item['thr-parent']]);
1823 if (DBA::isResult($thrparent)) {
1824 $mentioned[$thrparent['author-link']] = $thrparent['author-link'];
1825 $mentioned[$thrparent['owner-link']] = $thrparent['owner-link'];
1826 $parent_plink = $thrparent['plink'];
1827 } elseif (DBA::isResult($parent)) {
1828 $mentioned[$parent['author-link']] = $parent['author-link'];
1829 $mentioned[$parent['owner-link']] = $parent['owner-link'];
1830 $parent_plink = DI::baseUrl() . '/display/' . $parent['guid'];
1832 DI::logger()->notice('Missing parent and thr-parent for child item', ['item' => $item]);
1835 if (isset($parent_plink)) {
1837 'ref' => $item['thr-parent'],
1838 'href' => $parent_plink];
1839 XML::addElement($doc, $entry, 'thr:in-reply-to', '', $attributes);
1843 'href' => $parent_plink];
1844 XML::addElement($doc, $entry, 'link', '', $attributes);
1848 if (intval($item['parent']) > 0) {
1849 $conversation_href = $conversation_uri = str_replace('/objects/', '/context/', $item['thr-parent']);
1851 if (isset($parent_item)) {
1852 $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $parent_item]);
1853 if (DBA::isResult($conversation)) {
1854 if ($conversation['conversation-uri'] != '') {
1855 $conversation_uri = $conversation['conversation-uri'];
1857 if ($conversation['conversation-href'] != '') {
1858 $conversation_href = $conversation['conversation-href'];
1863 XML::addElement($doc, $entry, "link", "", ["rel" => "ostatus:conversation", "href" => $conversation_href]);
1866 "href" => $conversation_href,
1867 "local_id" => $item['parent'],
1868 "ref" => $conversation_uri];
1870 XML::addElement($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
1873 // uri-id isn't present for follow entry pseudo-items
1874 $tags = Tag::getByURIId($item['uri-id'] ?? 0);
1875 foreach ($tags as $tag) {
1876 $mentioned[$tag['url']] = $tag['url'];
1879 // Make sure that mentions are accepted (GNU Social has problems with mixing HTTP and HTTPS)
1881 foreach ($mentioned as $mention) {
1882 $newmentions[str_replace("http://", "https://", $mention)] = str_replace("http://", "https://", $mention);
1883 $newmentions[str_replace("https://", "http://", $mention)] = str_replace("https://", "http://", $mention);
1885 $mentioned = $newmentions;
1887 foreach ($mentioned as $mention) {
1888 $contact = Contact::getByURL($mention, false, ['contact-type']);
1889 if (!empty($contact) && ($contact['contact-type'] == Contact::TYPE_COMMUNITY)) {
1890 XML::addElement($doc, $entry, "link", "",
1892 "rel" => "mentioned",
1893 "ostatus:object-type" => Activity\ObjectType::GROUP,
1897 XML::addElement($doc, $entry, "link", "",
1899 "rel" => "mentioned",
1900 "ostatus:object-type" => Activity\ObjectType::PERSON,
1906 if ($owner['contact-type'] == Contact::TYPE_COMMUNITY) {
1907 XML::addElement($doc, $entry, "link", "", [
1908 "rel" => "mentioned",
1909 "ostatus:object-type" => "http://activitystrea.ms/schema/1.0/group",
1910 "href" => $owner['url']
1914 if ($item['private'] != Item::PRIVATE) {
1915 XML::addElement($doc, $entry, "link", "", ["rel" => "ostatus:attention",
1916 "href" => "http://activityschema.org/collection/public"]);
1917 XML::addElement($doc, $entry, "link", "", ["rel" => "mentioned",
1918 "ostatus:object-type" => "http://activitystrea.ms/schema/1.0/collection",
1919 "href" => "http://activityschema.org/collection/public"]);
1920 XML::addElement($doc, $entry, "mastodon:scope", "public");
1923 foreach ($tags as $tag) {
1924 if ($tag['type'] == Tag::HASHTAG) {
1925 XML::addElement($doc, $entry, "category", "", ["term" => $tag['name']]);
1929 self::getAttachment($doc, $entry, $item);
1931 if ($complete && ($item["id"] > 0)) {
1932 $app = $item["app"];
1937 $attributes = ["local_id" => $item["id"], "source" => $app];
1939 if (isset($parent["id"])) {
1940 $attributes["repeat_of"] = $parent["id"];
1943 if ($item["coord"] != "") {
1944 XML::addElement($doc, $entry, "georss:point", $item["coord"]);
1947 XML::addElement($doc, $entry, "statusnet:notice_info", "", $attributes);
1952 * Creates the XML feed for a given nickname
1954 * Supported filters:
1955 * - activity (default): all the public posts
1956 * - posts: all the public top-level posts
1957 * - comments: all the public replies
1959 * Updates the provided last_update parameter if the result comes from the
1960 * cache or it is empty
1962 * @param string $owner_nick Nickname of the feed owner
1963 * @param string $last_update Date of the last update
1964 * @param integer $max_items Number of maximum items to fetch
1965 * @param string $filter Feed items filter (activity, posts or comments)
1966 * @param boolean $nocache Wether to bypass caching
1968 * @return string XML feed
1969 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1970 * @throws \ImagickException
1972 public static function feed($owner_nick, &$last_update, $max_items = 300, $filter = 'activity', $nocache = false)
1974 $stamp = microtime(true);
1976 $owner = User::getOwnerDataByNick($owner_nick);
1981 $cachekey = "ostatus:feed:" . $owner_nick . ":" . $filter . ":" . $last_update;
1983 $previous_created = $last_update;
1985 // Don't cache when the last item was posted less then 15 minutes ago (Cache duration)
1986 if ((time() - strtotime($owner['last-item'])) < 15*60) {
1987 $result = DI::cache()->get($cachekey);
1988 if (!$nocache && !is_null($result)) {
1989 Logger::info('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created . ' (cached)');
1990 $last_update = $result['last_update'];
1991 return $result['feed'];
1995 if (!strlen($last_update)) {
1996 $last_update = 'now -30 days';
1999 $check_date = DateTimeFormat::utc($last_update);
2000 $authorid = Contact::getIdForURL($owner["url"]);
2002 $condition = ["`uid` = ? AND `received` > ? AND NOT `deleted`
2003 AND `private` != ? AND `visible` AND `wall` AND `parent-network` IN (?, ?)",
2004 $owner["uid"], $check_date, Item::PRIVATE, Protocol::OSTATUS, Protocol::DFRN];
2006 if ($filter === 'comments') {
2007 $condition[0] .= " AND `object-type` = ? ";
2008 $condition[] = Activity\ObjectType::COMMENT;
2011 if ($owner['contact-type'] != Contact::TYPE_COMMUNITY) {
2012 $condition[0] .= " AND `contact-id` = ? AND `author-id` = ?";
2013 $condition[] = $owner["id"];
2014 $condition[] = $authorid;
2017 $params = ['order' => ['received' => true], 'limit' => $max_items];
2019 if ($filter === 'posts') {
2020 $ret = Post::selectThread([], $condition, $params);
2022 $ret = Post::select([], $condition, $params);
2025 $items = Post::toArray($ret);
2027 $doc = new DOMDocument('1.0', 'utf-8');
2028 $doc->formatOutput = true;
2030 $root = self::addHeader($doc, $owner, $filter);
2032 foreach ($items as $item) {
2033 if (DI::config()->get('system', 'ostatus_debug')) {
2034 $item['body'] .= '🍼';
2037 if (in_array($item["verb"], [Activity::FOLLOW, Activity::O_UNFOLLOW, Activity::LIKE])) {
2041 $entry = self::entry($doc, $item, $owner, false);
2042 $root->appendChild($entry);
2044 if ($last_update < $item['created']) {
2045 $last_update = $item['created'];
2049 $feeddata = trim($doc->saveXML());
2051 $msg = ['feed' => $feeddata, 'last_update' => $last_update];
2052 DI::cache()->set($cachekey, $msg, Duration::QUARTER_HOUR);
2054 Logger::info('Feed duration: ' . number_format(microtime(true) - $stamp, 3) . ' - ' . $owner_nick . ' - ' . $filter . ' - ' . $previous_created);
2060 * Creates the XML for a salmon message
2062 * @param array $item Data of the item that is to be posted
2063 * @param array $owner Contact data of the poster
2065 * @return string XML for the salmon
2066 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2067 * @throws \ImagickException
2069 public static function salmon(array $item, array $owner)
2071 $doc = new DOMDocument('1.0', 'utf-8');
2072 $doc->formatOutput = true;
2074 if (DI::config()->get('system', 'ostatus_debug')) {
2075 $item['body'] .= '🐟';
2078 $entry = self::entry($doc, $item, $owner, true);
2080 $doc->appendChild($entry);
2082 return trim($doc->saveXML());
2086 * Checks if the given contact url does support OStatus
2088 * @param string $url profile url
2090 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2091 * @throws \ImagickException
2093 public static function isSupportedByContactUrl($url)
2095 $probe = Probe::uri($url, Protocol::OSTATUS);
2096 return $probe['network'] == Protocol::OSTATUS;