3 * @file include/dfrn.php
4 * @brief The implementation of the dfrn protocol
6 * @see https://github.com/friendica/friendica/wiki/Protocol and
7 * https://github.com/friendica/friendica/blob/master/spec/dfrn2.pdf
9 namespace Friendica\Protocol;
14 use Friendica\App\BaseURL;
15 use Friendica\BaseObject;
16 use Friendica\Content\OEmbed;
17 use Friendica\Content\Text\BBCode;
18 use Friendica\Content\Text\HTML;
19 use Friendica\Core\Config;
20 use Friendica\Core\Hook;
21 use Friendica\Core\Logger;
22 use Friendica\Core\Protocol;
23 use Friendica\Core\System;
24 use Friendica\Core\Session;
25 use Friendica\Database\DBA;
26 use Friendica\Model\Contact;
27 use Friendica\Model\Conversation;
28 use Friendica\Model\Event;
29 use Friendica\Model\GContact;
30 use Friendica\Model\Item;
31 use Friendica\Model\Mail;
32 use Friendica\Model\PermissionSet;
33 use Friendica\Model\Profile;
34 use Friendica\Model\User;
35 use Friendica\Network\Probe;
36 use Friendica\Object\Image;
37 use Friendica\Protocol\Activity\Namespaces;
38 use Friendica\Util\Crypto;
39 use Friendica\Util\DateTimeFormat;
40 use Friendica\Util\Network;
41 use Friendica\Util\Strings;
42 use Friendica\Util\XML;
44 use HTMLPurifier_Config;
47 * @brief This class contain functions to create and send DFRN XML files
52 const TOP_LEVEL = 0; // Top level posting
53 const REPLY = 1; // Regular reply that is stored locally
54 const REPLY_RC = 2; // Reply that will be relayed
57 * @brief Generates an array of contact and user for DFRN imports
59 * This array contains not only the receiver but also the sender of the message.
61 * @param integer $cid Contact id
62 * @param integer $uid User id
64 * @return array importer
67 public static function getImporter($cid, $uid = 0)
69 $condition = ['id' => $cid, 'blocked' => false, 'pending' => false];
70 $contact = DBA::selectFirst('contact', [], $condition);
71 if (!DBA::isResult($contact)) {
75 $contact['cpubkey'] = $contact['pubkey'];
76 $contact['cprvkey'] = $contact['prvkey'];
77 $contact['senderName'] = $contact['name'];
80 $condition = ['uid' => $uid, 'account_expired' => false, 'account_removed' => false];
81 $user = DBA::selectFirst('user', [], $condition);
82 if (!DBA::isResult($user)) {
86 $user['importer_uid'] = $user['uid'];
87 $user['uprvkey'] = $user['prvkey'];
89 $user = ['importer_uid' => 0, 'uprvkey' => '', 'timezone' => 'UTC',
90 'nickname' => '', 'sprvkey' => '', 'spubkey' => '',
91 'page-flags' => 0, 'account-type' => 0, 'prvnets' => 0];
94 return array_merge($contact, $user);
98 * @brief Generates the atom entries for delivery.php
100 * This function is used whenever content is transmitted via DFRN.
102 * @param array $items Item elements
103 * @param array $owner Owner record
105 * @return string DFRN entries
106 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
107 * @throws \ImagickException
108 * @todo Find proper type-hints
110 public static function entries($items, $owner)
112 $doc = new DOMDocument('1.0', 'utf-8');
113 $doc->formatOutput = true;
115 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
117 if (! count($items)) {
118 return trim($doc->saveXML());
121 foreach ($items as $item) {
122 // These values aren't sent when sending from the queue.
123 /// @todo Check if we can set these values from the queue or if they are needed at all.
124 $item["entry:comment-allow"] = ($item["entry:comment-allow"] ?? '') ?: true;
125 $item["entry:cid"] = $item["entry:cid"] ?? 0;
127 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
129 $root->appendChild($entry);
133 return trim($doc->saveXML());
137 * @brief Generate an atom feed for the given user
139 * This function is called when another server is pulling data from the user feed.
141 * @param string $dfrn_id DFRN ID from the requesting party
142 * @param string $owner_nick Owner nick name
143 * @param string $last_update Date of the last update
144 * @param int $direction Can be -1, 0 or 1.
145 * @param boolean $onlyheader Output only the header without content? (Default is "no")
147 * @return string DFRN feed entries
148 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
149 * @throws \ImagickException
151 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false)
155 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
156 $public_feed = (($dfrn_id) ? false : true);
157 $starred = false; // not yet implemented, possible security issues
160 if ($public_feed && $a->argc > 2) {
161 for ($x = 2; $x < $a->argc; $x++) {
162 if ($a->argv[$x] == 'converse') {
165 if ($a->argv[$x] == 'starred') {
168 if ($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) {
169 $category = $a->argv[$x+1];
174 // default permissions - anonymous user
176 $sql_extra = " AND NOT `item`.`private` ";
179 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
180 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
181 WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
182 DBA::escape($owner_nick)
185 if (! DBA::isResult($r)) {
186 Logger::log(sprintf('No contact found for nickname=%d', $owner_nick), Logger::WARNING);
191 $owner_id = $owner['uid'];
193 $sql_post_table = "";
195 if (! $public_feed) {
196 switch ($direction) {
198 $sql_extra = sprintf(" AND `issued-id` = '%s' ", DBA::escape($dfrn_id));
201 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", DBA::escape($dfrn_id));
204 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", DBA::escape($dfrn_id));
212 "SELECT * FROM `contact` WHERE NOT `blocked` AND `contact`.`uid` = %d $sql_extra LIMIT 1",
216 if (! DBA::isResult($r)) {
217 Logger::log(sprintf('No contact found for uid=%d', $owner_id), Logger::WARNING);
223 $set = PermissionSet::get($owner_id, $contact['id']);
226 $sql_extra = " AND `item`.`psid` IN (" . implode(',', $set) .")";
228 $sql_extra = " AND NOT `item`.`private`";
238 if (! strlen($last_update)) {
239 $last_update = 'now -30 days';
242 if (isset($category)) {
243 $sql_post_table = sprintf(
244 "INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
245 DBA::escape(Strings::protectSprintf($category)),
246 intval(TERM_OBJ_POST),
247 intval(TERM_CATEGORY),
252 if ($public_feed && ! $converse) {
253 $sql_extra .= " AND `contact`.`self` = 1 ";
256 $check_date = DateTimeFormat::utc($last_update);
260 FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table
261 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
262 WHERE `item`.`uid` = %d AND `item`.`wall` AND `item`.`changed` > '%s'
263 AND `item`.`visible` $sql_extra
264 ORDER BY `item`.`parent` ".$sort.", `item`.`received` ASC LIMIT 0, 300",
266 DBA::escape($check_date),
271 foreach ($r as $item) {
272 $ids[] = $item['id'];
276 $ret = Item::select(Item::DELIVER_FIELDLIST, ['id' => $ids]);
277 $items = Item::inArray($ret);
283 * Will check further below if this actually returned results.
284 * We will provide an empty feed if that is the case.
287 $doc = new DOMDocument('1.0', 'utf-8');
288 $doc->formatOutput = true;
290 $alternatelink = $owner['url'];
292 if (isset($category)) {
293 $alternatelink .= "/category/".$category;
297 $author = "dfrn:owner";
302 $root = self::addHeader($doc, $owner, $author, $alternatelink, true);
304 /// @TODO This hook can't work anymore
305 // \Friendica\Core\Hook::callAll('atom_feed', $atom);
307 if (!DBA::isResult($items) || $onlyheader) {
308 $atom = trim($doc->saveXML());
310 Hook::callAll('atom_feed_end', $atom);
315 foreach ($items as $item) {
316 // prevent private email from leaking.
317 if ($item['network'] == Protocol::MAIL) {
321 // public feeds get html, our own nodes use bbcode
325 // catch any email that's in a public conversation and make sure it doesn't leak
326 if ($item['private']) {
333 $entry = self::entry($doc, $type, $item, $owner, true);
335 $root->appendChild($entry);
339 $atom = trim($doc->saveXML());
341 Hook::callAll('atom_feed_end', $atom);
347 * @brief Generate an atom entry for a given item id
349 * @param int $item_id The item id
350 * @param boolean $conversation Show the conversation. If false show the single post.
352 * @return string DFRN feed entry
353 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
354 * @throws \ImagickException
356 public static function itemFeed($item_id, $conversation = false)
359 $condition = ['parent' => $item_id];
361 $condition = ['id' => $item_id];
364 $ret = Item::select(Item::DELIVER_FIELDLIST, $condition);
365 $items = Item::inArray($ret);
366 if (!DBA::isResult($items)) {
372 if ($item['uid'] != 0) {
373 $owner = User::getOwnerDataById($item['uid']);
378 $owner = ['uid' => 0, 'nick' => 'feed-item'];
381 $doc = new DOMDocument('1.0', 'utf-8');
382 $doc->formatOutput = true;
386 $root = $doc->createElementNS(Namespaces::ATOM1, 'feed');
387 $doc->appendChild($root);
389 $root->setAttribute("xmlns:thr", Namespaces::THREAD);
390 $root->setAttribute("xmlns:at", Namespaces::TOMB);
391 $root->setAttribute("xmlns:media", Namespaces::MEDIA);
392 $root->setAttribute("xmlns:dfrn", Namespaces::DFRN);
393 $root->setAttribute("xmlns:activity", Namespaces::ACTIVITY);
394 $root->setAttribute("xmlns:georss", Namespaces::GEORSS);
395 $root->setAttribute("xmlns:poco", Namespaces::POCO);
396 $root->setAttribute("xmlns:ostatus", Namespaces::OSTATUS);
397 $root->setAttribute("xmlns:statusnet", Namespaces::STATUSNET);
399 //$root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
401 foreach ($items as $item) {
402 $entry = self::entry($doc, $type, $item, $owner, true, 0);
404 $root->appendChild($entry);
408 self::entry($doc, $type, $item, $owner, true, 0, true);
411 $atom = trim($doc->saveXML());
416 * @brief Create XML text for DFRN mails
418 * @param array $item message elements
419 * @param array $owner Owner record
421 * @return string DFRN mail
422 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
423 * @todo Find proper type-hints
425 public static function mail($item, $owner)
427 $doc = new DOMDocument('1.0', 'utf-8');
428 $doc->formatOutput = true;
430 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
432 $mail = $doc->createElement("dfrn:mail");
433 $sender = $doc->createElement("dfrn:sender");
435 XML::addElement($doc, $sender, "dfrn:name", $owner['name']);
436 XML::addElement($doc, $sender, "dfrn:uri", $owner['url']);
437 XML::addElement($doc, $sender, "dfrn:avatar", $owner['thumb']);
439 $mail->appendChild($sender);
441 XML::addElement($doc, $mail, "dfrn:id", $item['uri']);
442 XML::addElement($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
443 XML::addElement($doc, $mail, "dfrn:sentdate", DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM));
444 XML::addElement($doc, $mail, "dfrn:subject", $item['title']);
445 XML::addElement($doc, $mail, "dfrn:content", $item['body']);
447 $root->appendChild($mail);
449 return trim($doc->saveXML());
453 * @brief Create XML text for DFRN friend suggestions
455 * @param array $item suggestion elements
456 * @param array $owner Owner record
458 * @return string DFRN suggestions
459 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
460 * @todo Find proper type-hints
462 public static function fsuggest($item, $owner)
464 $doc = new DOMDocument('1.0', 'utf-8');
465 $doc->formatOutput = true;
467 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
469 $suggest = $doc->createElement("dfrn:suggest");
471 XML::addElement($doc, $suggest, "dfrn:url", $item['url']);
472 XML::addElement($doc, $suggest, "dfrn:name", $item['name']);
473 XML::addElement($doc, $suggest, "dfrn:photo", $item['photo']);
474 XML::addElement($doc, $suggest, "dfrn:request", $item['request']);
475 XML::addElement($doc, $suggest, "dfrn:note", $item['note']);
477 $root->appendChild($suggest);
479 return trim($doc->saveXML());
483 * @brief Create XML text for DFRN relocations
485 * @param array $owner Owner record
486 * @param int $uid User ID
488 * @return string DFRN relocations
489 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
490 * @todo Find proper type-hints
492 public static function relocate($owner, $uid)
495 /* get site pubkey. this could be a new installation with no site keys*/
496 $pubkey = Config::get('system', 'site_pubkey');
498 $res = Crypto::newKeypair(1024);
499 Config::set('system', 'site_prvkey', $res['prvkey']);
500 Config::set('system', 'site_pubkey', $res['pubkey']);
504 "SELECT `resource-id` , `scale`, type FROM `photo`
505 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;",
509 $ext = Image::supportedTypes();
511 foreach ($rp as $p) {
512 $photos[$p['scale']] = System::baseUrl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
516 $doc = new DOMDocument('1.0', 'utf-8');
517 $doc->formatOutput = true;
519 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
521 $relocate = $doc->createElement("dfrn:relocate");
523 XML::addElement($doc, $relocate, "dfrn:url", $owner['url']);
524 XML::addElement($doc, $relocate, "dfrn:name", $owner['name']);
525 XML::addElement($doc, $relocate, "dfrn:addr", $owner['addr']);
526 XML::addElement($doc, $relocate, "dfrn:avatar", $owner['avatar']);
527 XML::addElement($doc, $relocate, "dfrn:photo", $photos[4]);
528 XML::addElement($doc, $relocate, "dfrn:thumb", $photos[5]);
529 XML::addElement($doc, $relocate, "dfrn:micro", $photos[6]);
530 XML::addElement($doc, $relocate, "dfrn:request", $owner['request']);
531 XML::addElement($doc, $relocate, "dfrn:confirm", $owner['confirm']);
532 XML::addElement($doc, $relocate, "dfrn:notify", $owner['notify']);
533 XML::addElement($doc, $relocate, "dfrn:poll", $owner['poll']);
534 XML::addElement($doc, $relocate, "dfrn:sitepubkey", Config::get('system', 'site_pubkey'));
536 $root->appendChild($relocate);
538 return trim($doc->saveXML());
542 * @brief Adds the header elements for the DFRN protocol
544 * @param DOMDocument $doc XML document
545 * @param array $owner Owner record
546 * @param string $authorelement Element name for the author
547 * @param string $alternatelink link to profile or category
548 * @param bool $public Is it a header for public posts?
550 * @return object XML root object
551 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
552 * @todo Find proper type-hints
554 private static function addHeader(DOMDocument $doc, $owner, $authorelement, $alternatelink = "", $public = false)
557 if ($alternatelink == "") {
558 $alternatelink = $owner['url'];
561 $root = $doc->createElementNS(Namespaces::ATOM1, 'feed');
562 $doc->appendChild($root);
564 $root->setAttribute("xmlns:thr", Namespaces::THREAD);
565 $root->setAttribute("xmlns:at", Namespaces::TOMB);
566 $root->setAttribute("xmlns:media", Namespaces::MEDIA);
567 $root->setAttribute("xmlns:dfrn", Namespaces::DFRN);
568 $root->setAttribute("xmlns:activity", Namespaces::ACTIVITY);
569 $root->setAttribute("xmlns:georss", Namespaces::GEORSS);
570 $root->setAttribute("xmlns:poco", Namespaces::POCO);
571 $root->setAttribute("xmlns:ostatus", Namespaces::OSTATUS);
572 $root->setAttribute("xmlns:statusnet", Namespaces::STATUSNET);
574 XML::addElement($doc, $root, "id", System::baseUrl()."/profile/".$owner["nick"]);
575 XML::addElement($doc, $root, "title", $owner["name"]);
577 $attributes = ["uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION];
578 XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
580 $attributes = ["rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/"];
581 XML::addElement($doc, $root, "link", "", $attributes);
583 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $alternatelink];
584 XML::addElement($doc, $root, "link", "", $attributes);
588 // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
589 OStatus::hublinks($doc, $root, $owner["nick"]);
591 $attributes = ["rel" => "salmon", "href" => System::baseUrl()."/salmon/".$owner["nick"]];
592 XML::addElement($doc, $root, "link", "", $attributes);
594 $attributes = ["rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => System::baseUrl()."/salmon/".$owner["nick"]];
595 XML::addElement($doc, $root, "link", "", $attributes);
597 $attributes = ["rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => System::baseUrl()."/salmon/".$owner["nick"]];
598 XML::addElement($doc, $root, "link", "", $attributes);
601 // For backward compatibility we keep this element
602 if ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY) {
603 XML::addElement($doc, $root, "dfrn:community", 1);
606 // The former element is replaced by this one
607 XML::addElement($doc, $root, "dfrn:account_type", $owner["account-type"]);
609 /// @todo We need a way to transmit the different page flags like "User::PAGE_FLAGS_PRVGROUP"
611 XML::addElement($doc, $root, "updated", DateTimeFormat::utcNow(DateTimeFormat::ATOM));
613 $author = self::addAuthor($doc, $owner, $authorelement, $public);
614 $root->appendChild($author);
620 * @brief Adds the author element in the header for the DFRN protocol
622 * @param DOMDocument $doc XML document
623 * @param array $owner Owner record
624 * @param string $authorelement Element name for the author
625 * @param boolean $public boolean
627 * @return \DOMElement XML author object
628 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
629 * @todo Find proper type-hints
631 private static function addAuthor(DOMDocument $doc, array $owner, $authorelement, $public)
633 // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
635 "SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
636 WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d",
637 intval($owner['uid'])
639 if (DBA::isResult($r)) {
645 $author = $doc->createElement($authorelement);
647 $namdate = DateTimeFormat::utc($owner['name-date'].'+00:00', DateTimeFormat::ATOM);
648 $uridate = DateTimeFormat::utc($owner['uri-date'].'+00:00', DateTimeFormat::ATOM);
649 $picdate = DateTimeFormat::utc($owner['avatar-date'].'+00:00', DateTimeFormat::ATOM);
653 if (!$public || !$hidewall) {
654 $attributes = ["dfrn:updated" => $namdate];
657 XML::addElement($doc, $author, "name", $owner["name"], $attributes);
658 XML::addElement($doc, $author, "uri", System::baseUrl().'/profile/'.$owner["nickname"], $attributes);
659 XML::addElement($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
661 $attributes = ["rel" => "photo", "type" => "image/jpeg",
662 "media:width" => 300, "media:height" => 300, "href" => $owner['photo']];
664 if (!$public || !$hidewall) {
665 $attributes["dfrn:updated"] = $picdate;
668 XML::addElement($doc, $author, "link", "", $attributes);
670 $attributes["rel"] = "avatar";
671 XML::addElement($doc, $author, "link", "", $attributes);
674 XML::addElement($doc, $author, "dfrn:hide", "true");
677 // The following fields will only be generated if the data isn't meant for a public feed
682 $birthday = feed_birthday($owner['uid'], $owner['timezone']);
685 XML::addElement($doc, $author, "dfrn:birthday", $birthday);
688 // Only show contact details when we are allowed to
690 "SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`,
691 `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
692 `profile`.`pub_keywords`, `profile`.`xmpp`, `profile`.`dob`
694 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
695 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
696 intval($owner['uid'])
698 if (DBA::isResult($r)) {
701 XML::addElement($doc, $author, "poco:displayName", $profile["name"]);
702 XML::addElement($doc, $author, "poco:updated", $namdate);
704 if (trim($profile["dob"]) > DBA::NULL_DATE) {
705 XML::addElement($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
708 XML::addElement($doc, $author, "poco:note", $profile["about"]);
709 XML::addElement($doc, $author, "poco:preferredUsername", $profile["nickname"]);
711 $savetz = date_default_timezone_get();
712 date_default_timezone_set($profile["timezone"]);
713 XML::addElement($doc, $author, "poco:utcOffset", date("P"));
714 date_default_timezone_set($savetz);
716 if (trim($profile["homepage"]) != "") {
717 $urls = $doc->createElement("poco:urls");
718 XML::addElement($doc, $urls, "poco:type", "homepage");
719 XML::addElement($doc, $urls, "poco:value", $profile["homepage"]);
720 XML::addElement($doc, $urls, "poco:primary", "true");
721 $author->appendChild($urls);
724 if (trim($profile["pub_keywords"]) != "") {
725 $keywords = explode(",", $profile["pub_keywords"]);
727 foreach ($keywords as $keyword) {
728 XML::addElement($doc, $author, "poco:tags", trim($keyword));
732 if (trim($profile["xmpp"]) != "") {
733 $ims = $doc->createElement("poco:ims");
734 XML::addElement($doc, $ims, "poco:type", "xmpp");
735 XML::addElement($doc, $ims, "poco:value", $profile["xmpp"]);
736 XML::addElement($doc, $ims, "poco:primary", "true");
737 $author->appendChild($ims);
740 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
741 $element = $doc->createElement("poco:address");
743 XML::addElement($doc, $element, "poco:formatted", Profile::formatLocation($profile));
745 if (trim($profile["locality"]) != "") {
746 XML::addElement($doc, $element, "poco:locality", $profile["locality"]);
749 if (trim($profile["region"]) != "") {
750 XML::addElement($doc, $element, "poco:region", $profile["region"]);
753 if (trim($profile["country-name"]) != "") {
754 XML::addElement($doc, $element, "poco:country", $profile["country-name"]);
757 $author->appendChild($element);
765 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
767 * @param DOMDocument $doc XML document
768 * @param string $element Element name for the author
769 * @param string $contact_url Link of the contact
770 * @param array $item Item elements
772 * @return \DOMElement XML author object
773 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
774 * @todo Find proper type-hints
776 private static function addEntryAuthor(DOMDocument $doc, $element, $contact_url, $item)
778 $author = $doc->createElement($element);
780 $contact = Contact::getDetailsByURL($contact_url, $item["uid"]);
781 if (!empty($contact)) {
782 XML::addElement($doc, $author, "name", $contact["name"]);
783 XML::addElement($doc, $author, "uri", $contact["url"]);
784 XML::addElement($doc, $author, "dfrn:handle", $contact["addr"]);
787 /// - Check real image type and image size
788 /// - Check which of these boths elements we should use
791 "type" => "image/jpeg",
793 "media:height" => 80,
794 "href" => $contact["photo"]];
795 XML::addElement($doc, $author, "link", "", $attributes);
799 "type" => "image/jpeg",
801 "media:height" => 80,
802 "href" => $contact["photo"]];
803 XML::addElement($doc, $author, "link", "", $attributes);
810 * @brief Adds the activity elements
812 * @param DOMDocument $doc XML document
813 * @param string $element Element name for the activity
814 * @param string $activity activity value
816 * @return \DOMElement XML activity object
817 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
818 * @todo Find proper type-hints
820 private static function createActivity(DOMDocument $doc, $element, $activity)
823 $entry = $doc->createElement($element);
825 $r = XML::parseString($activity, false);
831 XML::addElement($doc, $entry, "activity:object-type", $r->type);
835 XML::addElement($doc, $entry, "id", $r->id);
839 XML::addElement($doc, $entry, "title", $r->title);
843 if (substr($r->link, 0, 1) == '<') {
844 if (strstr($r->link, '&') && (! strstr($r->link, '&'))) {
845 $r->link = str_replace('&', '&', $r->link);
848 $r->link = preg_replace('/\<link(.*?)\"\>/', '<link$1"/>', $r->link);
850 // XML does need a single element as root element so we add a dummy element here
851 $data = XML::parseString("<dummy>" . $r->link . "</dummy>", false);
852 if (is_object($data)) {
853 foreach ($data->link as $link) {
855 foreach ($link->attributes() as $parameter => $value) {
856 $attributes[$parameter] = $value;
858 XML::addElement($doc, $entry, "link", "", $attributes);
862 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $r->link];
863 XML::addElement($doc, $entry, "link", "", $attributes);
867 XML::addElement($doc, $entry, "content", BBCode::convert($r->content), ["type" => "html"]);
877 * @brief Adds the elements for attachments
879 * @param object $doc XML document
880 * @param object $root XML root
881 * @param array $item Item element
883 * @return void XML attachment object
884 * @todo Find proper type-hints
886 private static function getAttachment($doc, $root, $item)
888 $arr = explode('[/attach],', $item['attach']);
890 foreach ($arr as $r) {
892 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
894 $attributes = ["rel" => "enclosure",
895 "href" => $matches[1],
896 "type" => $matches[3]];
898 if (intval($matches[2])) {
899 $attributes["length"] = intval($matches[2]);
902 if (trim($matches[4]) != "") {
903 $attributes["title"] = trim($matches[4]);
906 XML::addElement($doc, $root, "link", "", $attributes);
913 * @brief Adds the "entry" elements for the DFRN protocol
915 * @param DOMDocument $doc XML document
916 * @param string $type "text" or "html"
917 * @param array $item Item element
918 * @param array $owner Owner record
919 * @param bool $comment Trigger the sending of the "comment" element
920 * @param int $cid Contact ID of the recipient
921 * @param bool $single If set, the entry is created as an XML document with a single "entry" element
923 * @return null|\DOMElement XML entry object
924 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
925 * @throws \ImagickException
926 * @todo Find proper type-hints
928 private static function entry(DOMDocument $doc, $type, array $item, array $owner, $comment = false, $cid = 0, $single = false)
932 if (!$item['parent']) {
933 Logger::notice('Item without parent found.', ['type' => $type, 'item' => $item]);
937 if ($item['deleted']) {
938 $attributes = ["ref" => $item['uri'], "when" => DateTimeFormat::utc($item['edited'] . '+00:00', DateTimeFormat::ATOM)];
939 return XML::createElement($doc, "at:deleted-entry", "", $attributes);
943 $entry = $doc->createElement("entry");
945 $entry = $doc->createElementNS(Namespaces::ATOM1, 'entry');
946 $doc->appendChild($entry);
948 $entry->setAttribute("xmlns:thr", Namespaces::THREAD);
949 $entry->setAttribute("xmlns:at", Namespaces::TOMB);
950 $entry->setAttribute("xmlns:media", Namespaces::MEDIA);
951 $entry->setAttribute("xmlns:dfrn", Namespaces::DFRN);
952 $entry->setAttribute("xmlns:activity", Namespaces::ACTIVITY);
953 $entry->setAttribute("xmlns:georss", Namespaces::GEORSS);
954 $entry->setAttribute("xmlns:poco", Namespaces::POCO);
955 $entry->setAttribute("xmlns:ostatus", Namespaces::OSTATUS);
956 $entry->setAttribute("xmlns:statusnet", Namespaces::STATUSNET);
959 if ($item['private']) {
960 $body = Item::fixPrivatePhotos($item['body'], $owner['uid'], $item, $cid);
962 $body = $item['body'];
965 // Remove the abstract element. It is only locally important.
966 $body = BBCode::stripAbstract($body);
969 if ($type == 'html') {
972 if ($item['title'] != "") {
973 $htmlbody = "[b]" . $item['title'] . "[/b]\n\n" . $htmlbody;
976 $htmlbody = BBCode::convert($htmlbody, false, 7);
979 $author = self::addEntryAuthor($doc, "author", $item["author-link"], $item);
980 $entry->appendChild($author);
982 $dfrnowner = self::addEntryAuthor($doc, "dfrn:owner", $item["owner-link"], $item);
983 $entry->appendChild($dfrnowner);
985 if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
986 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
987 $parent = Item::selectFirst(['guid', 'plink'], ['uri' => $parent_item, 'uid' => $item['uid']]);
988 $attributes = ["ref" => $parent_item, "type" => "text/html",
989 "href" => $parent['plink'],
990 "dfrn:diaspora_guid" => $parent['guid']];
991 XML::addElement($doc, $entry, "thr:in-reply-to", "", $attributes);
994 // Add conversation data. This is used for OStatus
995 $conversation_href = System::baseUrl()."/display/".$item["parent-guid"];
996 $conversation_uri = $conversation_href;
998 if (isset($parent_item)) {
999 $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $item['parent-uri']]);
1000 if (DBA::isResult($conversation)) {
1001 if ($conversation['conversation-uri'] != '') {
1002 $conversation_uri = $conversation['conversation-uri'];
1004 if ($conversation['conversation-href'] != '') {
1005 $conversation_href = $conversation['conversation-href'];
1011 "href" => $conversation_href,
1012 "ref" => $conversation_uri];
1014 XML::addElement($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
1016 XML::addElement($doc, $entry, "id", $item["uri"]);
1017 XML::addElement($doc, $entry, "title", $item["title"]);
1019 XML::addElement($doc, $entry, "published", DateTimeFormat::utc($item["created"] . "+00:00", DateTimeFormat::ATOM));
1020 XML::addElement($doc, $entry, "updated", DateTimeFormat::utc($item["edited"] . "+00:00", DateTimeFormat::ATOM));
1022 // "dfrn:env" is used to read the content
1023 XML::addElement($doc, $entry, "dfrn:env", Strings::base64UrlEncode($body, true));
1025 // The "content" field is not read by the receiver. We could remove it when the type is "text"
1026 // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
1027 XML::addElement($doc, $entry, "content", (($type == 'html') ? $htmlbody : $body), ["type" => $type]);
1029 // We save this value in "plink". Maybe we should read it from there as well?
1035 ["rel" => "alternate", "type" => "text/html",
1036 "href" => System::baseUrl() . "/display/" . $item["guid"]]
1039 // "comment-allow" is some old fashioned stuff for old Friendica versions.
1040 // It is included in the rewritten code for completeness
1042 XML::addElement($doc, $entry, "dfrn:comment-allow", 1);
1045 if ($item['location']) {
1046 XML::addElement($doc, $entry, "dfrn:location", $item['location']);
1049 if ($item['coord']) {
1050 XML::addElement($doc, $entry, "georss:point", $item['coord']);
1053 if ($item['private']) {
1054 XML::addElement($doc, $entry, "dfrn:private", ($item['private'] ? $item['private'] : 1));
1057 if ($item['extid']) {
1058 XML::addElement($doc, $entry, "dfrn:extid", $item['extid']);
1061 if ($item['post-type'] == Item::PT_PAGE) {
1062 XML::addElement($doc, $entry, "dfrn:bookmark", "true");
1066 XML::addElement($doc, $entry, "statusnet:notice_info", "", ["local_id" => $item['id'], "source" => $item['app']]);
1069 XML::addElement($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
1071 // The signed text contains the content in Markdown, the sender handle and the signatur for the content
1072 // It is needed for relayed comments to Diaspora.
1073 if ($item['signed_text']) {
1074 $sign = base64_encode(json_encode(['signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer']]));
1075 XML::addElement($doc, $entry, "dfrn:diaspora_signature", $sign);
1078 XML::addElement($doc, $entry, "activity:verb", self::constructVerb($item));
1080 if ($item['object-type'] != "") {
1081 XML::addElement($doc, $entry, "activity:object-type", $item['object-type']);
1082 } elseif ($item['id'] == $item['parent']) {
1083 XML::addElement($doc, $entry, "activity:object-type", Activity::OBJ_NOTE);
1085 XML::addElement($doc, $entry, "activity:object-type", Activity::OBJ_COMMENT);
1088 $actobj = self::createActivity($doc, "activity:object", $item['object']);
1090 $entry->appendChild($actobj);
1093 $actarg = self::createActivity($doc, "activity:target", $item['target']);
1095 $entry->appendChild($actarg);
1098 $tags = Item::getFeedTags($item);
1100 /// @TODO Combine this with similar below if() block?
1102 foreach ($tags as $t) {
1103 if (($type != 'html') || ($t[0] != "@")) {
1104 XML::addElement($doc, $entry, "category", "", ["scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]]);
1110 foreach ($tags as $t) {
1112 $mentioned[$t[1]] = $t[1];
1117 foreach ($mentioned as $mention) {
1118 $condition = ['uid' => $owner["uid"], 'nurl' => Strings::normaliseLink($mention)];
1119 $contact = DBA::selectFirst('contact', ['forum', 'prv'], $condition);
1121 if (DBA::isResult($contact) && ($contact["forum"] || $contact["prv"])) {
1127 ["rel" => "mentioned",
1128 "ostatus:object-type" => Activity::OBJ_GROUP,
1137 ["rel" => "mentioned",
1138 "ostatus:object-type" => Activity::OBJ_PERSON,
1144 self::getAttachment($doc, $entry, $item);
1150 * @brief encrypts data via AES
1152 * @param string $data The data that is to be encrypted
1153 * @param string $key The AES key
1155 * @return string encrypted data
1157 private static function aesEncrypt($data, $key)
1159 return openssl_encrypt($data, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1163 * @brief decrypts data via AES
1165 * @param string $encrypted The encrypted data
1166 * @param string $key The AES key
1168 * @return string decrypted data
1170 public static function aesDecrypt($encrypted, $key)
1172 return openssl_decrypt($encrypted, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1176 * @brief Delivers the atom content to the contacts
1178 * @param array $owner Owner record
1179 * @param array $contact Contact record of the receiver
1180 * @param string $atom Content that will be transmitted
1181 * @param bool $dissolve (to be documented)
1183 * @return int Deliver status. Negative values mean an error.
1184 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1185 * @throws \ImagickException
1186 * @todo Add array type-hint for $owner, $contact
1188 public static function deliver($owner, $contact, $atom, $dissolve = false)
1190 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
1192 if ($contact['duplex'] && $contact['dfrn-id']) {
1193 $idtosend = '0:' . $orig_id;
1195 if ($contact['duplex'] && $contact['issued-id']) {
1196 $idtosend = '1:' . $orig_id;
1199 $rino = Config::get('system', 'rino_encrypt');
1200 $rino = intval($rino);
1202 Logger::log("Local rino version: ". $rino, Logger::DEBUG);
1204 $ssl_val = intval(Config::get('system', 'ssl_policy'));
1207 case BaseURL::SSL_POLICY_FULL:
1208 $ssl_policy = 'full';
1210 case BaseURL::SSL_POLICY_SELFSIGN:
1211 $ssl_policy = 'self';
1213 case BaseURL::SSL_POLICY_NONE:
1215 $ssl_policy = 'none';
1219 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
1221 Logger::log('dfrn_deliver: ' . $url);
1223 $curlResult = Network::curl($url);
1225 if ($curlResult->isTimeout()) {
1226 return -2; // timed out
1229 $xml = $curlResult->getBody();
1231 $curl_stat = $curlResult->getReturnCode();
1232 if (empty($curl_stat)) {
1233 return -3; // timed out
1236 Logger::log('dfrn_deliver: ' . $xml, Logger::DATA);
1242 if (strpos($xml, '<?xml') === false) {
1243 Logger::log('dfrn_deliver: no valid XML returned');
1244 Logger::log('dfrn_deliver: returned XML: ' . $xml, Logger::DATA);
1248 $res = XML::parseString($xml);
1250 if (!is_object($res) || (intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
1251 if (empty($res->status)) {
1254 $status = $res->status;
1261 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
1262 $challenge = hex2bin((string) $res->challenge);
1263 $perm = (($res->perm) ? $res->perm : null);
1264 $dfrn_version = floatval($res->dfrn_version ?: 2.0);
1265 $rino_remote_version = intval($res->rino);
1266 $page = (($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? 1 : 0);
1268 Logger::log("Remote rino version: ".$rino_remote_version." for ".$contact["url"], Logger::DEBUG);
1270 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
1274 $final_dfrn_id = '';
1277 if ((($perm == 'rw') && !intval($contact['writable']))
1278 || (($perm == 'r') && intval($contact['writable']))
1280 DBA::update('contact', ['writable' => ($perm == 'rw')], ['id' => $contact['id']]);
1282 $contact['writable'] = (string) 1 - intval($contact['writable']);
1286 if (($contact['duplex'] && strlen($contact['pubkey']))
1287 || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY && strlen($contact['pubkey']))
1288 || ($contact['rel'] == Contact::SHARING && strlen($contact['pubkey']))
1290 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
1291 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
1293 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
1294 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
1297 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
1299 if (strpos($final_dfrn_id, ':') == 1) {
1300 $final_dfrn_id = substr($final_dfrn_id, 2);
1303 if ($final_dfrn_id != $orig_id) {
1304 Logger::log('dfrn_deliver: wrong dfrn_id.');
1305 // did not decode properly - cannot trust this site
1309 $postvars['dfrn_id'] = $idtosend;
1310 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
1312 $postvars['dissolve'] = '1';
1315 if ((($contact['rel']) && ($contact['rel'] != Contact::SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY)) {
1316 $postvars['data'] = $atom;
1317 $postvars['perm'] = 'rw';
1319 $postvars['data'] = str_replace('<dfrn:comment-allow>1', '<dfrn:comment-allow>0', $atom);
1320 $postvars['perm'] = 'r';
1323 $postvars['ssl_policy'] = $ssl_policy;
1326 $postvars['page'] = $page;
1330 if ($rino > 0 && $rino_remote_version > 0 && (! $dissolve)) {
1331 Logger::log('rino version: '. $rino_remote_version);
1333 switch ($rino_remote_version) {
1335 $key = openssl_random_pseudo_bytes(16);
1336 $data = self::aesEncrypt($postvars['data'], $key);
1340 Logger::log("rino: invalid requested version '$rino_remote_version'");
1344 $postvars['rino'] = $rino_remote_version;
1345 $postvars['data'] = bin2hex($data);
1347 if ($dfrn_version >= 2.1) {
1348 if (($contact['duplex'] && strlen($contact['pubkey']))
1349 || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY && strlen($contact['pubkey']))
1350 || ($contact['rel'] == Contact::SHARING && strlen($contact['pubkey']))
1352 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1354 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1357 if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY)) {
1358 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1360 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1364 Logger::log('md5 rawkey ' . md5($postvars['key']));
1366 $postvars['key'] = bin2hex($postvars['key']);
1370 Logger::log('dfrn_deliver: ' . "SENDING: " . print_r($postvars, true), Logger::DATA);
1372 $postResult = Network::post($contact['notify'], $postvars);
1374 $xml = $postResult->getBody();
1376 Logger::log('dfrn_deliver: ' . "RECEIVED: " . $xml, Logger::DATA);
1378 $curl_stat = $postResult->getReturnCode();
1379 if (empty($curl_stat) || empty($xml)) {
1380 return -9; // timed out
1383 if (($curl_stat == 503) && stristr($postResult->getHeader(), 'retry-after')) {
1387 if (strpos($xml, '<?xml') === false) {
1388 Logger::log('dfrn_deliver: phase 2: no valid XML returned');
1389 Logger::log('dfrn_deliver: phase 2: returned XML: ' . $xml, Logger::DATA);
1393 $res = XML::parseString($xml);
1395 if (!isset($res->status)) {
1399 // Possibly old servers had returned an empty value when everything was okay
1400 if (empty($res->status)) {
1404 if (!empty($res->message)) {
1405 Logger::log('Delivery returned status '.$res->status.' - '.$res->message, Logger::DEBUG);
1408 return intval($res->status);
1412 * @brief Transmits atom content to the contacts via the Diaspora transport layer
1414 * @param array $owner Owner record
1415 * @param array $contact Contact record of the receiver
1416 * @param string $atom Content that will be transmitted
1418 * @param bool $public_batch
1419 * @return int Deliver status. Negative values mean an error.
1420 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1421 * @throws \ImagickException
1423 public static function transmit($owner, $contact, $atom, $public_batch = false)
1425 if (!$public_batch) {
1426 if (empty($contact['addr'])) {
1427 Logger::log('Empty contact handle for ' . $contact['id'] . ' - ' . $contact['url'] . ' - trying to update it.');
1428 if (Contact::updateFromProbe($contact['id'])) {
1429 $new_contact = DBA::selectFirst('contact', ['addr'], ['id' => $contact['id']]);
1430 $contact['addr'] = $new_contact['addr'];
1433 if (empty($contact['addr'])) {
1434 Logger::log('Unable to find contact handle for ' . $contact['id'] . ' - ' . $contact['url']);
1439 $fcontact = Diaspora::personByHandle($contact['addr']);
1440 if (empty($fcontact)) {
1441 Logger::log('Unable to find contact details for ' . $contact['id'] . ' - ' . $contact['addr']);
1444 $pubkey = $fcontact['pubkey'];
1449 $envelope = Diaspora::buildMessage($atom, $owner, $contact, $owner['uprvkey'], $pubkey, $public_batch);
1451 // Create the endpoint for public posts. This is some WIP and should later be added to the probing
1452 if ($public_batch && empty($contact["batch"])) {
1453 $parts = parse_url($contact["notify"]);
1454 $path_parts = explode('/', $parts['path']);
1455 array_pop($path_parts);
1456 $parts['path'] = implode('/', $path_parts);
1457 $contact["batch"] = Network::unparseURL($parts);
1460 $dest_url = ($public_batch ? $contact["batch"] : $contact["notify"]);
1462 if (empty($dest_url)) {
1463 Logger::info('Empty destination', ['public' => $public_batch, 'contact' => $contact]);
1467 $content_type = ($public_batch ? "application/magic-envelope+xml" : "application/json");
1469 $postResult = Network::post($dest_url, $envelope, ["Content-Type: ".$content_type]);
1470 $xml = $postResult->getBody();
1472 $curl_stat = $postResult->getReturnCode();
1473 if (empty($curl_stat) || empty($xml)) {
1474 Logger::log('Empty answer from ' . $contact['id'] . ' - ' . $dest_url);
1475 return -9; // timed out
1478 if (($curl_stat == 503) && (stristr($postResult->getHeader(), 'retry-after'))) {
1482 if (strpos($xml, '<?xml') === false) {
1483 Logger::log('No valid XML returned from ' . $contact['id'] . ' - ' . $dest_url);
1484 Logger::log('Returned XML: ' . $xml, Logger::DATA);
1488 $res = XML::parseString($xml);
1490 if (empty($res->status)) {
1494 if (!empty($res->message)) {
1495 Logger::log('Transmit to ' . $dest_url . ' returned status '.$res->status.' - '.$res->message, Logger::DEBUG);
1498 return intval($res->status);
1502 * @brief Fetch the author data from head or entry items
1504 * @param object $xpath XPath object
1505 * @param object $context In which context should the data be searched
1506 * @param array $importer Record of the importer user mixed with contact of the content
1507 * @param string $element Element name from which the data is fetched
1508 * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well
1509 * @param string $xml optional, default empty
1511 * @return array Relevant data of the author
1512 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1513 * @throws \ImagickException
1514 * @todo Find good type-hints for all parameter
1516 private static function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "")
1519 $author["name"] = XML::getFirstNodeValue($xpath, $element."/atom:name/text()", $context);
1520 $author["link"] = XML::getFirstNodeValue($xpath, $element."/atom:uri/text()", $context);
1522 $fields = ['id', 'uid', 'url', 'network', 'avatar-date', 'avatar', 'name-date', 'uri-date', 'addr',
1523 'name', 'nick', 'about', 'location', 'keywords', 'xmpp', 'bdyear', 'bd', 'hidden', 'contact-type'];
1524 $condition = ["`uid` = ? AND `nurl` = ? AND `network` != ?",
1525 $importer["importer_uid"], Strings::normaliseLink($author["link"]), Protocol::STATUSNET];
1526 $contact_old = DBA::selectFirst('contact', $fields, $condition);
1528 if (DBA::isResult($contact_old)) {
1529 $author["contact-id"] = $contact_old["id"];
1530 $author["network"] = $contact_old["network"];
1533 Logger::debug("Contact ".$author["link"]." wasn't found for user ".$importer["importer_uid"]." XML: ".$xml);
1536 $author["contact-unknown"] = true;
1537 $author["contact-id"] = $importer["id"];
1538 $author["network"] = $importer["network"];
1542 // Until now we aren't serving different sizes - but maybe later
1544 /// @todo check if "avatar" or "photo" would be the best field in the specification
1545 $avatars = $xpath->query($element . "/atom:link[@rel='avatar']", $context);
1546 foreach ($avatars as $avatar) {
1549 foreach ($avatar->attributes as $attributes) {
1550 /// @TODO Rewrite these similar if() to one switch
1551 if ($attributes->name == "href") {
1552 $href = $attributes->textContent;
1554 if ($attributes->name == "width") {
1555 $width = $attributes->textContent;
1557 if ($attributes->name == "updated") {
1558 $author["avatar-date"] = $attributes->textContent;
1561 if (($width > 0) && ($href != "")) {
1562 $avatarlist[$width] = $href;
1566 if (count($avatarlist) > 0) {
1567 krsort($avatarlist);
1568 $author["avatar"] = current($avatarlist);
1571 if (empty($author['avatar']) && !empty($author['link'])) {
1572 $cid = Contact::getIdForURL($author['link'], 0);
1574 $contact = DBA::selectFirst('contact', ['avatar'], ['id' => $cid]);
1575 if (DBA::isResult($contact)) {
1576 $author['avatar'] = $contact['avatar'];
1581 if (empty($author['avatar'])) {
1582 Logger::log('Empty author: ' . $xml);
1583 $author['avatar'] = '';
1586 if (DBA::isResult($contact_old) && !$onlyfetch) {
1587 Logger::log("Check if contact details for contact " . $contact_old["id"] . " (" . $contact_old["nick"] . ") have to be updated.", Logger::DEBUG);
1589 $poco = ["url" => $contact_old["url"]];
1591 // When was the last change to name or uri?
1592 $name_element = $xpath->query($element . "/atom:name", $context)->item(0);
1593 foreach ($name_element->attributes as $attributes) {
1594 if ($attributes->name == "updated") {
1595 $poco["name-date"] = $attributes->textContent;
1599 $link_element = $xpath->query($element . "/atom:link", $context)->item(0);
1600 foreach ($link_element->attributes as $attributes) {
1601 if ($attributes->name == "updated") {
1602 $poco["uri-date"] = $attributes->textContent;
1606 // Update contact data
1607 $value = XML::getFirstNodeValue($xpath, $element . "/dfrn:handle/text()", $context);
1609 $poco["addr"] = $value;
1612 $value = XML::getFirstNodeValue($xpath, $element . "/poco:displayName/text()", $context);
1614 $poco["name"] = $value;
1617 $value = XML::getFirstNodeValue($xpath, $element . "/poco:preferredUsername/text()", $context);
1619 $poco["nick"] = $value;
1622 $value = XML::getFirstNodeValue($xpath, $element . "/poco:note/text()", $context);
1624 $poco["about"] = $value;
1627 $value = XML::getFirstNodeValue($xpath, $element . "/poco:address/poco:formatted/text()", $context);
1629 $poco["location"] = $value;
1632 /// @todo Only search for elements with "poco:type" = "xmpp"
1633 $value = XML::getFirstNodeValue($xpath, $element . "/poco:ims/poco:value/text()", $context);
1635 $poco["xmpp"] = $value;
1638 /// @todo Add support for the following fields that we don't support by now in the contact table:
1639 /// - poco:utcOffset
1645 // If the "hide" element is present then the profile isn't searchable.
1646 $hide = intval(XML::getFirstNodeValue($xpath, $element . "/dfrn:hide/text()", $context) == "true");
1648 Logger::log("Hidden status for contact " . $contact_old["url"] . ": " . $hide, Logger::DEBUG);
1650 // If the contact isn't searchable then set the contact to "hidden".
1651 // Problem: This can be manually overridden by the user.
1653 $contact_old["hidden"] = true;
1656 // Save the keywords into the contact table
1658 $tagelements = $xpath->evaluate($element . "/poco:tags/text()", $context);
1659 foreach ($tagelements as $tag) {
1660 $tags[$tag->nodeValue] = $tag->nodeValue;
1664 $poco["keywords"] = implode(", ", $tags);
1667 // "dfrn:birthday" contains the birthday converted to UTC
1668 $birthday = XML::getFirstNodeValue($xpath, $element . "/poco:birthday/text()", $context);
1670 if (strtotime($birthday) > time()) {
1671 $bd_timestamp = strtotime($birthday);
1673 $poco["bdyear"] = date("Y", $bd_timestamp);
1676 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1677 $value = XML::getFirstNodeValue($xpath, $element . "/poco:birthday/text()", $context);
1679 if (!in_array($value, ["", "0000-00-00", DBA::NULL_DATE])) {
1680 $bdyear = date("Y");
1681 $value = str_replace(["0000", "0001"], $bdyear, $value);
1683 if (strtotime($value) < time()) {
1684 $value = str_replace($bdyear, $bdyear + 1, $value);
1687 $poco["bd"] = $value;
1690 $contact = array_merge($contact_old, $poco);
1692 if ($contact_old["bdyear"] != $contact["bdyear"]) {
1693 Event::createBirthday($contact, $birthday);
1696 $fields = ['name' => $contact['name'], 'nick' => $contact['nick'], 'about' => $contact['about'],
1697 'location' => $contact['location'], 'addr' => $contact['addr'], 'keywords' => $contact['keywords'],
1698 'bdyear' => $contact['bdyear'], 'bd' => $contact['bd'], 'hidden' => $contact['hidden'],
1699 'xmpp' => $contact['xmpp'], 'name-date' => DateTimeFormat::utc($contact['name-date']),
1700 'unsearchable' => $contact['hidden'], 'uri-date' => DateTimeFormat::utc($contact['uri-date'])];
1702 DBA::update('contact', $fields, ['id' => $contact['id'], 'network' => $contact['network']], $contact_old);
1704 // Update the public contact. Don't set the "hidden" value, this is used differently for public contacts
1705 unset($fields['hidden']);
1706 $condition = ['uid' => 0, 'nurl' => Strings::normaliseLink($contact_old['url'])];
1707 DBA::update('contact', $fields, $condition, true);
1709 Contact::updateAvatar($author['avatar'], $importer['importer_uid'], $contact['id']);
1711 $pcid = Contact::getIdForURL($contact_old['url']);
1712 if (!empty($pcid)) {
1713 Contact::updateAvatar($author['avatar'], 0, $pcid);
1717 * The generation is a sign for the reliability of the provided data.
1718 * It is used in the socgraph.php to prevent that old contact data
1719 * that was relayed over several servers can overwrite contact
1720 * data that we received directly.
1723 $poco["generation"] = 2;
1724 $poco["photo"] = $author["avatar"];
1725 $poco["hide"] = $hide;
1726 $poco["contact-type"] = $contact["contact-type"];
1727 $gcid = GContact::update($poco);
1729 GContact::link($gcid, $importer["importer_uid"], $contact["id"]);
1736 * @brief Transforms activity objects into an XML string
1738 * @param object $xpath XPath object
1739 * @param object $activity Activity object
1740 * @param string $element element name
1742 * @return string XML string
1743 * @todo Find good type-hints for all parameter
1745 private static function transformActivity($xpath, $activity, $element)
1747 if (!is_object($activity)) {
1751 $obj_doc = new DOMDocument("1.0", "utf-8");
1752 $obj_doc->formatOutput = true;
1754 $obj_element = $obj_doc->createElementNS( Namespaces::ATOM1, $element);
1756 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1757 XML::addElement($obj_doc, $obj_element, "type", $activity_type);
1759 $id = $xpath->query("atom:id", $activity)->item(0);
1760 if (is_object($id)) {
1761 $obj_element->appendChild($obj_doc->importNode($id, true));
1764 $title = $xpath->query("atom:title", $activity)->item(0);
1765 if (is_object($title)) {
1766 $obj_element->appendChild($obj_doc->importNode($title, true));
1769 $links = $xpath->query("atom:link", $activity);
1770 if (is_object($links)) {
1771 foreach ($links as $link) {
1772 $obj_element->appendChild($obj_doc->importNode($link, true));
1776 $content = $xpath->query("atom:content", $activity)->item(0);
1777 if (is_object($content)) {
1778 $obj_element->appendChild($obj_doc->importNode($content, true));
1781 $obj_doc->appendChild($obj_element);
1783 $objxml = $obj_doc->saveXML($obj_element);
1785 /// @todo This isn't totally clean. We should find a way to transform the namespaces
1786 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1791 * @brief Processes the mail elements
1793 * @param object $xpath XPath object
1794 * @param object $mail mail elements
1795 * @param array $importer Record of the importer user mixed with contact of the content
1797 * @throws \Exception
1798 * @todo Find good type-hints for all parameter
1800 private static function processMail($xpath, $mail, $importer)
1802 Logger::log("Processing mails");
1805 $msg["uid"] = $importer["importer_uid"];
1806 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1807 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1808 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1809 $msg["contact-id"] = $importer["id"];
1810 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1811 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1812 $msg["created"] = DateTimeFormat::utc($xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue);
1813 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1814 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1820 * @brief Processes the suggestion elements
1822 * @param object $xpath XPath object
1823 * @param object $suggestion suggestion elements
1824 * @param array $importer Record of the importer user mixed with contact of the content
1826 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1827 * @todo Find good type-hints for all parameter
1829 private static function processSuggestion($xpath, $suggestion, $importer)
1831 Logger::log('Processing suggestions');
1833 /// @TODO Rewrite this to one statement
1835 $suggest['uid'] = $importer['importer_uid'];
1836 $suggest['cid'] = $importer['id'];
1837 $suggest['url'] = $xpath->query('dfrn:url/text()', $suggestion)->item(0)->nodeValue;
1838 $suggest['name'] = $xpath->query('dfrn:name/text()', $suggestion)->item(0)->nodeValue;
1839 $suggest['photo'] = $xpath->query('dfrn:photo/text()', $suggestion)->item(0)->nodeValue;
1840 $suggest['request'] = $xpath->query('dfrn:request/text()', $suggestion)->item(0)->nodeValue;
1841 $suggest['body'] = $xpath->query('dfrn:note/text()', $suggestion)->item(0)->nodeValue;
1843 // Does our member already have a friend matching this description?
1846 * The valid result means the friend we're about to send a friend
1847 * suggestion already has them in their contact, which means no further
1848 * action is required.
1850 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1852 $condition = ['nurl' => Strings::normaliseLink($suggest['url']), 'uid' => $suggest['uid']];
1853 if (DBA::exists('contact', $condition)) {
1856 // Do we already have an fcontact record for this person?
1859 $fcontact = DBA::selectFirst('fcontact', ['id'], ['url' => $suggest['url']]);
1860 if (DBA::isResult($fcontact)) {
1861 $fid = $fcontact['id'];
1863 // OK, we do. Do we already have an introduction for this person?
1864 if (DBA::exists('intro', ['uid' => $suggest['uid'], 'fid' => $fid])) {
1866 * The valid result means the friend we're about to send a friend
1867 * suggestion already has them in their contact, which means no further
1868 * action is required.
1870 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1877 $fields = ['name' => $suggest['name'], 'url' => $suggest['url'],
1878 'photo' => $suggest['photo'], 'request' => $suggest['request']];
1879 DBA::insert('fcontact', $fields);
1880 $fid = DBA::lastInsertId();
1884 * If no record in fcontact is found, below INSERT statement will not
1885 * link an introduction to it.
1888 // Database record did not get created. Quietly give up.
1892 $hash = Strings::getRandomHex();
1894 $fields = ['uid' => $suggest['uid'], 'fid' => $fid, 'contact-id' => $suggest['cid'],
1895 'note' => $suggest['body'], 'hash' => $hash, 'datetime' => DateTimeFormat::utcNow(), 'blocked' => false];
1896 DBA::insert('intro', $fields);
1900 'type' => NOTIFY_SUGGEST,
1901 'notify_flags' => $importer['notify-flags'],
1902 'language' => $importer['language'],
1903 'to_name' => $importer['username'],
1904 'to_email' => $importer['email'],
1905 'uid' => $importer['importer_uid'],
1907 'link' => System::baseUrl().'/notifications/intros',
1908 'source_name' => $importer['name'],
1909 'source_link' => $importer['url'],
1910 'source_photo' => $importer['photo'],
1911 'verb' => Activity::REQ_FRIEND,
1919 * @brief Processes the relocation elements
1921 * @param object $xpath XPath object
1922 * @param object $relocation relocation elements
1923 * @param array $importer Record of the importer user mixed with contact of the content
1925 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1926 * @throws \ImagickException
1927 * @todo Find good type-hints for all parameter
1929 private static function processRelocation($xpath, $relocation, $importer)
1931 Logger::log("Processing relocations");
1933 /// @TODO Rewrite this to one statement
1935 $relocate["uid"] = $importer["importer_uid"];
1936 $relocate["cid"] = $importer["id"];
1937 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1938 $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue;
1939 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1940 $relocate["avatar"] = $xpath->query("dfrn:avatar/text()", $relocation)->item(0)->nodeValue;
1941 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1942 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1943 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1944 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1945 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1946 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1947 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1948 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1950 if (($relocate["avatar"] == "") && ($relocate["photo"] != "")) {
1951 $relocate["avatar"] = $relocate["photo"];
1954 if ($relocate["addr"] == "") {
1955 $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]);
1960 "SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d",
1961 intval($importer["id"]),
1962 intval($importer["importer_uid"])
1965 if (!DBA::isResult($r)) {
1966 Logger::log("Query failed to execute, no result returned in " . __FUNCTION__);
1972 // Update the gcontact entry
1973 $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]);
1975 $fields = ['name' => $relocate["name"], 'photo' => $relocate["avatar"],
1976 'url' => $relocate["url"], 'nurl' => Strings::normaliseLink($relocate["url"]),
1977 'addr' => $relocate["addr"], 'connect' => $relocate["addr"],
1978 'notify' => $relocate["notify"], 'server_url' => $relocate["server_url"]];
1979 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($old["url"])]);
1981 // Update the contact table. We try to find every entry.
1982 $fields = ['name' => $relocate["name"], 'avatar' => $relocate["avatar"],
1983 'url' => $relocate["url"], 'nurl' => Strings::normaliseLink($relocate["url"]),
1984 'addr' => $relocate["addr"], 'request' => $relocate["request"],
1985 'confirm' => $relocate["confirm"], 'notify' => $relocate["notify"],
1986 'poll' => $relocate["poll"], 'site-pubkey' => $relocate["sitepubkey"]];
1987 $condition = ["(`id` = ?) OR (`nurl` = ?)", $importer["id"], Strings::normaliseLink($old["url"])];
1989 DBA::update('contact', $fields, $condition);
1991 Contact::updateAvatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true);
1993 Logger::log('Contacts are updated.');
1996 /// merge with current record, current contents have priority
1997 /// update record, set url-updated
1998 /// update profile photos
1999 /// schedule a scan?
2004 * @brief Updates an item
2006 * @param array $current the current item record
2007 * @param array $item the new item record
2008 * @param array $importer Record of the importer user mixed with contact of the content
2009 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2011 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2012 * @todo set proper type-hints (array?)
2014 private static function updateContent($current, $item, $importer, $entrytype)
2018 if (self::isEditedTimestampNewer($current, $item)) {
2019 // do not accept (ignore) an earlier edit than one we currently have.
2020 if (DateTimeFormat::utc($item["edited"]) < $current["edited"]) {
2024 $fields = ['title' => $item['title'] ?? '', 'body' => $item['body'] ?? '',
2025 'tag' => $item['tag'] ?? '', 'changed' => DateTimeFormat::utcNow(),
2026 'edited' => DateTimeFormat::utc($item["edited"])];
2028 $condition = ["`uri` = ? AND `uid` IN (0, ?)", $item["uri"], $importer["importer_uid"]];
2029 Item::update($fields, $condition);
2037 * @brief Detects the entry type of the item
2039 * @param array $importer Record of the importer user mixed with contact of the content
2040 * @param array $item the new item record
2042 * @return int Is it a toplevel entry, a comment or a relayed comment?
2043 * @throws \Exception
2044 * @todo set proper type-hints (array?)
2046 private static function getEntryType($importer, $item)
2048 if ($item["parent-uri"] != $item["uri"]) {
2051 if ($importer["page-flags"] == User::PAGE_FLAGS_COMMUNITY || $importer["page-flags"] == User::PAGE_FLAGS_PRVGROUP) {
2054 Logger::log("possible community action");
2056 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
2059 // was the top-level post for this action written by somebody on this site?
2060 // Specifically, the recipient?
2062 $is_a_remote_action = false;
2064 $parent = Item::selectFirst(['parent-uri'], ['uri' => $item["parent-uri"]]);
2065 if (DBA::isResult($parent)) {
2067 "SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
2068 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
2069 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
2070 AND `item`.`uid` = %d
2073 DBA::escape($parent["parent-uri"]),
2074 DBA::escape($parent["parent-uri"]),
2075 DBA::escape($parent["parent-uri"]),
2076 intval($importer["importer_uid"])
2078 if (DBA::isResult($r)) {
2079 $is_a_remote_action = true;
2084 * Does this have the characteristics of a community or private group action?
2085 * If it's an action to a wall post on a community/prvgroup page it's a
2086 * valid community action. Also forum_mode makes it valid for sure.
2087 * If neither, it's not.
2089 if ($is_a_remote_action && $community && (!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
2090 $is_a_remote_action = false;
2091 Logger::log("not a community action");
2094 if ($is_a_remote_action) {
2095 return DFRN::REPLY_RC;
2100 return DFRN::TOP_LEVEL;
2105 * @brief Send a "poke"
2107 * @param array $item The new item record
2108 * @param array $importer Record of the importer user mixed with contact of the content
2110 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2111 * @todo set proper type-hints (array?)
2113 private static function doPoke(array $item, array $importer)
2115 $verb = urldecode(substr($item["verb"], strpos($item["verb"], "#")+1));
2119 $xo = XML::parseString($item["object"], false);
2121 if (($xo->type == Activity::OBJ_PERSON) && ($xo->id)) {
2122 // somebody was poked/prodded. Was it me?
2124 foreach ($xo->link as $l) {
2125 $atts = $l->attributes();
2126 switch ($atts["rel"]) {
2128 $Blink = $atts["href"];
2135 if ($Blink && Strings::compareLink($Blink, System::baseUrl() . "/profile/" . $importer["nickname"])) {
2136 $author = DBA::selectFirst('contact', ['name', 'thumb', 'url'], ['id' => $item['author-id']]);
2138 $parent = Item::selectFirst(['id'], ['uri' => $item['parent-uri'], 'uid' => $importer["importer_uid"]]);
2139 $item["parent"] = $parent['id'];
2141 // send a notification
2144 "type" => NOTIFY_POKE,
2145 "notify_flags" => $importer["notify-flags"],
2146 "language" => $importer["language"],
2147 "to_name" => $importer["username"],
2148 "to_email" => $importer["email"],
2149 "uid" => $importer["importer_uid"],
2151 "link" => System::baseUrl()."/display/".urlencode($item['guid']),
2152 "source_name" => $author["name"],
2153 "source_link" => $author["url"],
2154 "source_photo" => $author["thumb"],
2155 "verb" => $item["verb"],
2156 "otype" => "person",
2157 "activity" => $verb,
2158 "parent" => $item["parent"]]
2165 * @brief Processes several actions, depending on the verb
2167 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2168 * @param array $importer Record of the importer user mixed with contact of the content
2169 * @param array $item the new item record
2170 * @param bool $is_like Is the verb a "like"?
2172 * @return bool Should the processing of the entries be continued?
2173 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2174 * @todo set proper type-hints (array?)
2176 private static function processVerbs($entrytype, $importer, &$item, &$is_like)
2178 Logger::log("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, Logger::DEBUG);
2180 if (($entrytype == DFRN::TOP_LEVEL) && !empty($importer['id'])) {
2181 // The filling of the the "contact" variable is done for legcy reasons
2182 // The functions below are partly used by ostatus.php as well - where we have this variable
2183 $contact = Contact::selectFirst([], ['id' => $importer['id']]);
2185 /** @var Activity $activity */
2186 $activity = BaseObject::getClass(Activity::class);
2188 // Big question: Do we need these functions? They were part of the "consume_feed" function.
2189 // This function once was responsible for DFRN and OStatus.
2190 if ($activity->match($item["verb"], Activity::FOLLOW)) {
2191 Logger::log("New follower");
2192 Contact::addRelationship($importer, $contact, $item);
2195 if ($activity->match($item["verb"], Activity::UNFOLLOW)) {
2196 Logger::log("Lost follower");
2197 Contact::removeFollower($importer, $contact, $item);
2200 if ($activity->match($item["verb"], Activity::REQ_FRIEND)) {
2201 Logger::log("New friend request");
2202 Contact::addRelationship($importer, $contact, $item, true);
2205 if ($activity->match($item["verb"], Activity::UNFRIEND)) {
2206 Logger::log("Lost sharer");
2207 Contact::removeSharer($importer, $contact, $item);
2211 if (($item["verb"] == Activity::LIKE)
2212 || ($item["verb"] == Activity::DISLIKE)
2213 || ($item["verb"] == Activity::ATTEND)
2214 || ($item["verb"] == Activity::ATTENDNO)
2215 || ($item["verb"] == Activity::ATTENDMAYBE)
2218 $item["gravity"] = GRAVITY_ACTIVITY;
2219 // only one like or dislike per person
2220 // splitted into two queries for performance issues
2221 $condition = ['uid' => $item["uid"], 'author-id' => $item["author-id"], 'gravity' => GRAVITY_ACTIVITY,
2222 'verb' => $item["verb"], 'parent-uri' => $item["parent-uri"]];
2223 if (Item::exists($condition)) {
2227 $condition = ['uid' => $item["uid"], 'author-id' => $item["author-id"], 'gravity' => GRAVITY_ACTIVITY,
2228 'verb' => $item["verb"], 'thr-parent' => $item["parent-uri"]];
2229 if (Item::exists($condition)) {
2233 // The owner of an activity must be the author
2234 $item["owner-name"] = $item["author-name"];
2235 $item["owner-link"] = $item["author-link"];
2236 $item["owner-avatar"] = $item["author-avatar"];
2237 $item["owner-id"] = $item["author-id"];
2242 if (($item["verb"] == Activity::TAG) && ($item["object-type"] == Activity::OBJ_TAGTERM)) {
2243 $xo = XML::parseString($item["object"], false);
2244 $xt = XML::parseString($item["target"], false);
2246 if ($xt->type == Activity::OBJ_NOTE) {
2247 $item_tag = Item::selectFirst(['id', 'tag'], ['uri' => $xt->id, 'uid' => $importer["importer_uid"]]);
2249 if (!DBA::isResult($item_tag)) {
2250 Logger::log("Query failed to execute, no result returned in " . __FUNCTION__);
2254 // extract tag, if not duplicate, add to parent item
2256 if (!stristr($item_tag["tag"], trim($xo->content))) {
2257 $tag = $item_tag["tag"] . (strlen($item_tag["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]';
2258 Item::update(['tag' => $tag], ['id' => $item_tag["id"]]);
2268 * @brief Processes the link elements
2270 * @param object $links link elements
2271 * @param array $item the item record
2273 * @todo set proper type-hints
2275 private static function parseLinks($links, &$item)
2282 foreach ($links as $link) {
2283 foreach ($link->attributes as $attributes) {
2284 switch ($attributes->name) {
2285 case "href" : $href = $attributes->textContent; break;
2286 case "rel" : $rel = $attributes->textContent; break;
2287 case "type" : $type = $attributes->textContent; break;
2288 case "length": $length = $attributes->textContent; break;
2289 case "title" : $title = $attributes->textContent; break;
2292 if (($rel != "") && ($href != "")) {
2295 $item["plink"] = $href;
2298 if (!empty($item["attach"])) {
2299 $item["attach"] .= ",";
2301 $item["attach"] = "";
2304 $item["attach"] .= '[attach]href="' . $href . '" length="' . $length . '" type="' . $type . '" title="' . $title . '"[/attach]';
2312 * @brief Processes the entry elements which contain the items and comments
2314 * @param array $header Array of the header elements that always stay the same
2315 * @param object $xpath XPath object
2316 * @param object $entry entry elements
2317 * @param array $importer Record of the importer user mixed with contact of the content
2318 * @param string $xml xml
2320 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2321 * @throws \ImagickException
2322 * @todo Add type-hints
2324 private static function processEntry($header, $xpath, $entry, $importer, $xml)
2326 Logger::log("Processing entries");
2330 $item["protocol"] = Conversation::PARCEL_DFRN;
2332 $item["source"] = $xml;
2335 $item["uri"] = XML::getFirstNodeValue($xpath, "atom:id/text()", $entry);
2337 $item["edited"] = XML::getFirstNodeValue($xpath, "atom:updated/text()", $entry);
2339 $current = Item::selectFirst(['id', 'uid', 'edited', 'body'],
2340 ['uri' => $item["uri"], 'uid' => $importer["importer_uid"]]
2342 // Is there an existing item?
2343 if (DBA::isResult($current) && !self::isEditedTimestampNewer($current, $item)) {
2344 Logger::log("Item ".$item["uri"]." (".$item['edited'].") already existed.", Logger::DEBUG);
2349 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true, $xml);
2351 $owner_unknown = (isset($owner["contact-unknown"]) && $owner["contact-unknown"]);
2353 $item["owner-name"] = $owner["name"];
2354 $item["owner-link"] = $owner["link"];
2355 $item["owner-avatar"] = $owner["avatar"];
2356 $item["owner-id"] = Contact::getIdForURL($owner["link"], 0);
2359 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true, $xml);
2361 $item["author-name"] = $author["name"];
2362 $item["author-link"] = $author["link"];
2363 $item["author-avatar"] = $author["avatar"];
2364 $item["author-id"] = Contact::getIdForURL($author["link"], 0);
2366 $item["title"] = XML::getFirstNodeValue($xpath, "atom:title/text()", $entry);
2368 $item["created"] = XML::getFirstNodeValue($xpath, "atom:published/text()", $entry);
2370 $item["body"] = XML::getFirstNodeValue($xpath, "dfrn:env/text()", $entry);
2371 $item["body"] = str_replace([' ',"\t","\r","\n"], ['','','',''], $item["body"]);
2372 // make sure nobody is trying to sneak some html tags by us
2373 $item["body"] = Strings::escapeTags(Strings::base64UrlDecode($item["body"]));
2375 $item["body"] = BBCode::limitBodySize($item["body"]);
2377 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
2378 if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) {
2379 $base_url = \get_app()->getBaseURL();
2380 $item['body'] = HTML::relToAbs($item['body'], $base_url);
2382 $item['body'] = HTML::toBBCodeVideo($item['body']);
2384 $item['body'] = OEmbed::HTML2BBCode($item['body']);
2386 $config = HTMLPurifier_Config::createDefault();
2387 $config->set('Cache.DefinitionImpl', null);
2389 // we shouldn't need a whitelist, because the bbcode converter
2390 // will strip out any unsupported tags.
2392 $purifier = new HTMLPurifier($config);
2393 $item['body'] = $purifier->purify($item['body']);
2395 $item['body'] = @HTML::toBBCode($item['body']);
2398 /// @todo We should check for a repeated post and if we know the repeated author.
2400 // We don't need the content element since "dfrn:env" is always present
2401 //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue;
2403 $item["location"] = XML::getFirstNodeValue($xpath, "dfrn:location/text()", $entry);
2405 $item["coord"] = XML::getFirstNodeValue($xpath, "georss:point", $entry);
2407 $item["private"] = XML::getFirstNodeValue($xpath, "dfrn:private/text()", $entry);
2409 $item["extid"] = XML::getFirstNodeValue($xpath, "dfrn:extid/text()", $entry);
2411 if (XML::getFirstNodeValue($xpath, "dfrn:bookmark/text()", $entry) == "true") {
2412 $item["post-type"] = Item::PT_PAGE;
2415 $notice_info = $xpath->query("statusnet:notice_info", $entry);
2416 if ($notice_info && ($notice_info->length > 0)) {
2417 foreach ($notice_info->item(0)->attributes as $attributes) {
2418 if ($attributes->name == "source") {
2419 $item["app"] = strip_tags($attributes->textContent);
2424 $item["guid"] = XML::getFirstNodeValue($xpath, "dfrn:diaspora_guid/text()", $entry);
2426 // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "Item::insert"
2427 $dsprsig = XML::unescape(XML::getFirstNodeValue($xpath, "dfrn:diaspora_signature/text()", $entry));
2428 if ($dsprsig != "") {
2429 $item["dsprsig"] = $dsprsig;
2432 $item["verb"] = XML::getFirstNodeValue($xpath, "activity:verb/text()", $entry);
2434 if (XML::getFirstNodeValue($xpath, "activity:object-type/text()", $entry) != "") {
2435 $item["object-type"] = XML::getFirstNodeValue($xpath, "activity:object-type/text()", $entry);
2438 $object = $xpath->query("activity:object", $entry)->item(0);
2439 $item["object"] = self::transformActivity($xpath, $object, "object");
2441 if (trim($item["object"]) != "") {
2442 $r = XML::parseString($item["object"], false);
2443 if (isset($r->type)) {
2444 $item["object-type"] = $r->type;
2448 $target = $xpath->query("activity:target", $entry)->item(0);
2449 $item["target"] = self::transformActivity($xpath, $target, "target");
2451 $categories = $xpath->query("atom:category", $entry);
2453 foreach ($categories as $category) {
2456 foreach ($category->attributes as $attributes) {
2457 if ($attributes->name == "term") {
2458 $term = $attributes->textContent;
2461 if ($attributes->name == "scheme") {
2462 $scheme = $attributes->textContent;
2466 if (($term != "") && ($scheme != "")) {
2467 $parts = explode(":", $scheme);
2468 if ((count($parts) >= 4) && (array_shift($parts) == "X-DFRN")) {
2469 $termhash = array_shift($parts);
2470 $termurl = implode(":", $parts);
2472 if (!empty($item["tag"])) {
2473 $item["tag"] .= ",";
2478 $item["tag"] .= $termhash . "[url=" . $termurl . "]" . $term . "[/url]";
2484 $links = $xpath->query("atom:link", $entry);
2486 self::parseLinks($links, $item);
2489 $item['conversation-uri'] = XML::getFirstNodeValue($xpath, 'ostatus:conversation/text()', $entry);
2491 $conv = $xpath->query('ostatus:conversation', $entry);
2492 if (is_object($conv->item(0))) {
2493 foreach ($conv->item(0)->attributes as $attributes) {
2494 if ($attributes->name == "ref") {
2495 $item['conversation-uri'] = $attributes->textContent;
2497 if ($attributes->name == "href") {
2498 $item['conversation-href'] = $attributes->textContent;
2503 // Is it a reply or a top level posting?
2504 $item["parent-uri"] = $item["uri"];
2506 $inreplyto = $xpath->query("thr:in-reply-to", $entry);
2507 if (is_object($inreplyto->item(0))) {
2508 foreach ($inreplyto->item(0)->attributes as $attributes) {
2509 if ($attributes->name == "ref") {
2510 $item["parent-uri"] = $attributes->textContent;
2515 // Get the type of the item (Top level post, reply or remote reply)
2516 $entrytype = self::getEntryType($importer, $item);
2518 // Now assign the rest of the values that depend on the type of the message
2519 if (in_array($entrytype, [DFRN::REPLY, DFRN::REPLY_RC])) {
2520 if (!isset($item["object-type"])) {
2521 $item["object-type"] = Activity::OBJ_COMMENT;
2524 if ($item["contact-id"] != $owner["contact-id"]) {
2525 $item["contact-id"] = $owner["contact-id"];
2528 if (($item["network"] != $owner["network"]) && ($owner["network"] != "")) {
2529 $item["network"] = $owner["network"];
2532 if ($item["contact-id"] != $author["contact-id"]) {
2533 $item["contact-id"] = $author["contact-id"];
2536 if (($item["network"] != $author["network"]) && ($author["network"] != "")) {
2537 $item["network"] = $author["network"];
2541 if ($entrytype == DFRN::REPLY_RC) {
2543 } elseif ($entrytype == DFRN::TOP_LEVEL) {
2544 if (!isset($item["object-type"])) {
2545 $item["object-type"] = Activity::OBJ_NOTE;
2549 if (($item["object-type"] == Activity::OBJ_EVENT) && !$owner_unknown) {
2550 Logger::log("Item ".$item["uri"]." seems to contain an event.", Logger::DEBUG);
2551 $ev = Event::fromBBCode($item["body"]);
2552 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
2553 Logger::log("Event in item ".$item["uri"]." was found.", Logger::DEBUG);
2554 $ev["cid"] = $importer["id"];
2555 $ev["uid"] = $importer["importer_uid"];
2556 $ev["uri"] = $item["uri"];
2557 $ev["edited"] = $item["edited"];
2558 $ev["private"] = $item["private"];
2559 $ev["guid"] = $item["guid"];
2560 $ev["plink"] = $item["plink"];
2562 $condition = ['uri' => $item["uri"], 'uid' => $importer["importer_uid"]];
2563 $event = DBA::selectFirst('event', ['id'], $condition);
2564 if (DBA::isResult($event)) {
2565 $ev["id"] = $event["id"];
2568 $event_id = Event::store($ev);
2569 Logger::log("Event ".$event_id." was stored", Logger::DEBUG);
2575 if (!self::processVerbs($entrytype, $importer, $item, $is_like)) {
2576 Logger::log("Exiting because 'processVerbs' told us so", Logger::DEBUG);
2580 // This check is done here to be able to receive connection requests in "processVerbs"
2581 if (($entrytype == DFRN::TOP_LEVEL) && $owner_unknown) {
2582 Logger::log("Item won't be stored because user " . $importer["importer_uid"] . " doesn't follow " . $item["owner-link"] . ".", Logger::DEBUG);
2587 // Update content if 'updated' changes
2588 if (DBA::isResult($current)) {
2589 if (self::updateContent($current, $item, $importer, $entrytype)) {
2590 Logger::log("Item ".$item["uri"]." was updated.", Logger::DEBUG);
2592 Logger::log("Item " . $item["uri"] . " already existed.", Logger::DEBUG);
2597 if (in_array($entrytype, [DFRN::REPLY, DFRN::REPLY_RC])) {
2598 $posted_id = Item::insert($item);
2600 Logger::log("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, Logger::DEBUG);
2602 if ($item['uid'] == 0) {
2603 Item::distribute($posted_id);
2608 } else { // $entrytype == DFRN::TOP_LEVEL
2609 if (($importer["uid"] == 0) && ($importer["importer_uid"] != 0)) {
2610 Logger::log("Contact ".$importer["id"]." isn't known to user ".$importer["importer_uid"].". The post will be ignored.", Logger::DEBUG);
2613 if (!Strings::compareLink($item["owner-link"], $importer["url"])) {
2615 * The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
2616 * but otherwise there's a possible data mixup on the sender's system.
2617 * the tgroup delivery code called from Item::insert will correct it if it's a forum,
2618 * but we're going to unconditionally correct it here so that the post will always be owned by our contact.
2620 Logger::log('Correcting item owner.', Logger::DEBUG);
2621 $item["owner-link"] = $importer["url"];
2622 $item["owner-id"] = Contact::getIdForURL($importer["url"], 0);
2625 if (($importer["rel"] == Contact::FOLLOWER) && (!self::tgroupCheck($importer["importer_uid"], $item))) {
2626 Logger::log("Contact ".$importer["id"]." is only follower and tgroup check was negative.", Logger::DEBUG);
2630 // This is my contact on another system, but it's really me.
2631 // Turn this into a wall post.
2632 $notify = Item::isRemoteSelf($importer, $item);
2634 $posted_id = Item::insert($item, false, $notify);
2637 $posted_id = $notify;
2640 Logger::log("Item was stored with id ".$posted_id, Logger::DEBUG);
2642 if ($item['uid'] == 0) {
2643 Item::distribute($posted_id);
2646 if (stristr($item["verb"], Activity::POKE)) {
2647 $item['id'] = $posted_id;
2648 self::doPoke($item, $importer);
2654 * @brief Deletes items
2656 * @param object $xpath XPath object
2657 * @param object $deletion deletion elements
2658 * @param array $importer Record of the importer user mixed with contact of the content
2660 * @throws \Exception
2661 * @todo set proper type-hints
2663 private static function processDeletion($xpath, $deletion, $importer)
2665 Logger::log("Processing deletions");
2668 foreach ($deletion->attributes as $attributes) {
2669 if ($attributes->name == "ref") {
2670 $uri = $attributes->textContent;
2674 if (!$uri || !$importer["id"]) {
2678 $condition = ['uri' => $uri, 'uid' => $importer["importer_uid"]];
2679 $item = Item::selectFirst(['id', 'parent', 'contact-id', 'file', 'deleted'], $condition);
2680 if (!DBA::isResult($item)) {
2681 Logger::log("Item with uri " . $uri . " for user " . $importer["importer_uid"] . " wasn't found.", Logger::DEBUG);
2685 if (strstr($item['file'], '[')) {
2686 Logger::log("Item with uri " . $uri . " for user " . $importer["importer_uid"] . " is filed. So it won't be deleted.", Logger::DEBUG);
2690 // When it is a starting post it has to belong to the person that wants to delete it
2691 if (($item['id'] == $item['parent']) && ($item['contact-id'] != $importer["id"])) {
2692 Logger::log("Item with uri " . $uri . " don't belong to contact " . $importer["id"] . " - ignoring deletion.", Logger::DEBUG);
2696 // Comments can be deleted by the thread owner or comment owner
2697 if (($item['id'] != $item['parent']) && ($item['contact-id'] != $importer["id"])) {
2698 $condition = ['id' => $item['parent'], 'contact-id' => $importer["id"]];
2699 if (!Item::exists($condition)) {
2700 Logger::log("Item with uri " . $uri . " wasn't found or mustn't be deleted by contact " . $importer["id"] . " - ignoring deletion.", Logger::DEBUG);
2705 if ($item["deleted"]) {
2709 Logger::log('deleting item '.$item['id'].' uri='.$uri, Logger::DEBUG);
2711 Item::delete(['id' => $item['id']]);
2715 * @brief Imports a DFRN message
2717 * @param string $xml The DFRN message
2718 * @param array $importer Record of the importer user mixed with contact of the content
2719 * @param bool $sort_by_date Is used when feeds are polled
2720 * @return integer Import status
2721 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2722 * @throws \ImagickException
2723 * @todo set proper type-hints
2725 public static function import($xml, $importer, $sort_by_date = false)
2731 $doc = new DOMDocument();
2732 @$doc->loadXML($xml);
2734 $xpath = new DOMXPath($doc);
2735 $xpath->registerNamespace("atom", Namespaces::ATOM1);
2736 $xpath->registerNamespace("thr", Namespaces::THREAD);
2737 $xpath->registerNamespace("at", Namespaces::TOMB);
2738 $xpath->registerNamespace("media", Namespaces::MEDIA);
2739 $xpath->registerNamespace("dfrn", Namespaces::DFRN);
2740 $xpath->registerNamespace("activity", Namespaces::ACTIVITY);
2741 $xpath->registerNamespace("georss", Namespaces::GEORSS);
2742 $xpath->registerNamespace("poco", Namespaces::POCO);
2743 $xpath->registerNamespace("ostatus", Namespaces::OSTATUS);
2744 $xpath->registerNamespace("statusnet", Namespaces::STATUSNET);
2747 $header["uid"] = $importer["importer_uid"];
2748 $header["network"] = Protocol::DFRN;
2749 $header["wall"] = 0;
2750 $header["origin"] = 0;
2751 $header["contact-id"] = $importer["id"];
2753 // Update the contact table if the data has changed
2755 // The "atom:author" is only present in feeds
2756 if ($xpath->query("/atom:feed/atom:author")->length > 0) {
2757 self::fetchauthor($xpath, $doc->firstChild, $importer, "atom:author", false, $xml);
2760 // Only the "dfrn:owner" in the head section contains all data
2761 if ($xpath->query("/atom:feed/dfrn:owner")->length > 0) {
2762 self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false, $xml);
2765 Logger::log("Import DFRN message for user " . $importer["importer_uid"] . " from contact " . $importer["id"], Logger::DEBUG);
2767 // is it a public forum? Private forums aren't exposed with this method
2768 $forum = intval(XML::getFirstNodeValue($xpath, "/atom:feed/dfrn:community/text()"));
2770 // The account type is new since 3.5.1
2771 if ($xpath->query("/atom:feed/dfrn:account_type")->length > 0) {
2772 // Hint: We are using separate update calls for uid=0 and uid!=0 since a combined call is bad for the database performance
2774 $accounttype = intval(XML::getFirstNodeValue($xpath, "/atom:feed/dfrn:account_type/text()"));
2776 if ($accounttype != $importer["contact-type"]) {
2777 DBA::update('contact', ['contact-type' => $accounttype], ['id' => $importer['id']]);
2779 // Updating the public contact as well
2780 DBA::update('contact', ['contact-type' => $accounttype], ['uid' => 0, 'nurl' => $importer['nurl']]);
2782 // A forum contact can either have set "forum" or "prv" - but not both
2783 if ($accounttype == User::ACCOUNT_TYPE_COMMUNITY) {
2784 // It's a forum, so either set the public or private forum flag
2785 $condition = ['(`forum` != ? OR `prv` != ?) AND `id` = ?', $forum, !$forum, $importer['id']];
2786 DBA::update('contact', ['forum' => $forum, 'prv' => !$forum], $condition);
2788 // Updating the public contact as well
2789 $condition = ['(`forum` != ? OR `prv` != ?) AND `uid` = 0 AND `nurl` = ?', $forum, !$forum, $importer['nurl']];
2790 DBA::update('contact', ['forum' => $forum, 'prv' => !$forum], $condition);
2792 // It's not a forum, so remove the flags
2793 $condition = ['(`forum` OR `prv`) AND `id` = ?', $importer['id']];
2794 DBA::update('contact', ['forum' => false, 'prv' => false], $condition);
2796 // Updating the public contact as well
2797 $condition = ['(`forum` OR `prv`) AND `uid` = 0 AND `nurl` = ?', $importer['nurl']];
2798 DBA::update('contact', ['forum' => false, 'prv' => false], $condition);
2800 } elseif ($forum != $importer["forum"]) { // Deprecated since 3.5.1
2801 $condition = ['`forum` != ? AND `id` = ?', $forum, $importer["id"]];
2802 DBA::update('contact', ['forum' => $forum], $condition);
2804 // Updating the public contact as well
2805 $condition = ['`forum` != ? AND `uid` = 0 AND `nurl` = ?', $forum, $importer['nurl']];
2806 DBA::update('contact', ['forum' => $forum], $condition);
2810 // We are processing relocations even if we are ignoring a contact
2811 $relocations = $xpath->query("/atom:feed/dfrn:relocate");
2812 foreach ($relocations as $relocation) {
2813 self::processRelocation($xpath, $relocation, $importer);
2816 if (($importer["uid"] != 0) && !$importer["readonly"]) {
2817 $mails = $xpath->query("/atom:feed/dfrn:mail");
2818 foreach ($mails as $mail) {
2819 self::processMail($xpath, $mail, $importer);
2822 $suggestions = $xpath->query("/atom:feed/dfrn:suggest");
2823 foreach ($suggestions as $suggestion) {
2824 self::processSuggestion($xpath, $suggestion, $importer);
2828 $deletions = $xpath->query("/atom:feed/at:deleted-entry");
2829 foreach ($deletions as $deletion) {
2830 self::processDeletion($xpath, $deletion, $importer);
2833 if (!$sort_by_date) {
2834 $entries = $xpath->query("/atom:feed/atom:entry");
2835 foreach ($entries as $entry) {
2836 self::processEntry($header, $xpath, $entry, $importer, $xml);
2840 $entries = $xpath->query("/atom:feed/atom:entry");
2841 foreach ($entries as $entry) {
2842 $created = XML::getFirstNodeValue($xpath, "atom:published/text()", $entry);
2843 $newentries[strtotime($created)] = $entry;
2846 // Now sort after the publishing date
2849 foreach ($newentries as $entry) {
2850 self::processEntry($header, $xpath, $entry, $importer, $xml);
2853 Logger::log("Import done for user " . $importer["importer_uid"] . " from contact " . $importer["id"], Logger::DEBUG);
2858 * @brief Returns the activity verb
2860 * @param array $item Item array
2862 * @return string activity verb
2864 private static function constructVerb(array $item)
2866 if ($item['verb']) {
2867 return $item['verb'];
2869 return Activity::POST;
2872 private static function tgroupCheck($uid, $item)
2876 // check that the message originated elsewhere and is a top-level post
2878 if ($item['wall'] || $item['origin'] || ($item['uri'] != $item['parent-uri'])) {
2882 $user = DBA::selectFirst('user', ['page-flags', 'nickname'], ['uid' => $uid]);
2883 if (!DBA::isResult($user)) {
2887 $community_page = ($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY);
2888 $prvgroup = ($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP);
2890 $link = Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname']);
2893 * Diaspora uses their own hardwired link URL in @-tags
2894 * instead of the one we supply with webfinger
2896 $dlink = Strings::normaliseLink(System::baseUrl() . '/u/' . $user['nickname']);
2898 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2900 foreach ($matches as $mtch) {
2901 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2903 Logger::log('mention found: ' . $mtch[2]);
2912 return $community_page || $prvgroup;
2916 * This function returns true if $update has an edited timestamp newer
2917 * than $existing, i.e. $update contains new data which should override
2918 * what's already there. If there is no timestamp yet, the update is
2919 * assumed to be newer. If the update has no timestamp, the existing
2920 * item is assumed to be up-to-date. If the timestamps are equal it
2921 * assumes the update has been seen before and should be ignored.
2926 * @throws \Exception
2928 private static function isEditedTimestampNewer($existing, $update)
2930 if (empty($existing['edited'])) {
2933 if (empty($update['edited'])) {
2937 $existing_edited = DateTimeFormat::utc($existing['edited']);
2938 $update_edited = DateTimeFormat::utc($update['edited']);
2940 return (strcmp($existing_edited, $update_edited) < 0);
2944 * Checks if the given contact url does support DFRN
2946 * @param string $url profile url
2947 * @param boolean $update Update the profile
2949 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2950 * @throws \ImagickException
2952 public static function isSupportedByContactUrl($url, $update = false)
2954 $probe = Probe::uri($url, Protocol::DFRN, 0, !$update);
2955 return $probe['network'] == Protocol::DFRN;