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;
13 use Friendica\App\BaseURL;
14 use Friendica\Content\OEmbed;
15 use Friendica\Content\Text\BBCode;
16 use Friendica\Content\Text\HTML;
17 use Friendica\Core\Config;
18 use Friendica\Core\Hook;
19 use Friendica\Core\Logger;
20 use Friendica\Core\Protocol;
21 use Friendica\Database\DBA;
23 use Friendica\Model\Contact;
24 use Friendica\Model\Conversation;
25 use Friendica\Model\Event;
26 use Friendica\Model\GContact;
27 use Friendica\Model\Item;
28 use Friendica\Model\Mail;
29 use Friendica\Model\PermissionSet;
30 use Friendica\Model\Profile;
31 use Friendica\Model\User;
32 use Friendica\Network\Probe;
33 use Friendica\Util\Crypto;
34 use Friendica\Util\DateTimeFormat;
35 use Friendica\Util\Images;
36 use Friendica\Util\Network;
37 use Friendica\Util\Strings;
38 use Friendica\Util\XML;
40 use HTMLPurifier_Config;
43 * @brief This class contain functions to create and send DFRN XML files
48 const TOP_LEVEL = 0; // Top level posting
49 const REPLY = 1; // Regular reply that is stored locally
50 const REPLY_RC = 2; // Reply that will be relayed
53 * @brief Generates an array of contact and user for DFRN imports
55 * This array contains not only the receiver but also the sender of the message.
57 * @param integer $cid Contact id
58 * @param integer $uid User id
60 * @return array importer
63 public static function getImporter($cid, $uid = 0)
65 $condition = ['id' => $cid, 'blocked' => false, 'pending' => false];
66 $contact = DBA::selectFirst('contact', [], $condition);
67 if (!DBA::isResult($contact)) {
71 $contact['cpubkey'] = $contact['pubkey'];
72 $contact['cprvkey'] = $contact['prvkey'];
73 $contact['senderName'] = $contact['name'];
76 $condition = ['uid' => $uid, 'account_expired' => false, 'account_removed' => false];
77 $user = DBA::selectFirst('user', [], $condition);
78 if (!DBA::isResult($user)) {
82 $user['importer_uid'] = $user['uid'];
83 $user['uprvkey'] = $user['prvkey'];
85 $user = ['importer_uid' => 0, 'uprvkey' => '', 'timezone' => 'UTC',
86 'nickname' => '', 'sprvkey' => '', 'spubkey' => '',
87 'page-flags' => 0, 'account-type' => 0, 'prvnets' => 0];
90 return array_merge($contact, $user);
94 * @brief Generates the atom entries for delivery.php
96 * This function is used whenever content is transmitted via DFRN.
98 * @param array $items Item elements
99 * @param array $owner Owner record
101 * @return string DFRN entries
102 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
103 * @throws \ImagickException
104 * @todo Find proper type-hints
106 public static function entries($items, $owner)
108 $doc = new DOMDocument('1.0', 'utf-8');
109 $doc->formatOutput = true;
111 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
113 if (! count($items)) {
114 return trim($doc->saveXML());
117 foreach ($items as $item) {
118 // These values aren't sent when sending from the queue.
119 /// @todo Check if we can set these values from the queue or if they are needed at all.
120 $item["entry:comment-allow"] = ($item["entry:comment-allow"] ?? '') ?: true;
121 $item["entry:cid"] = $item["entry:cid"] ?? 0;
123 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
125 $root->appendChild($entry);
129 return trim($doc->saveXML());
133 * @brief Generate an atom feed for the given user
135 * This function is called when another server is pulling data from the user feed.
137 * @param string $dfrn_id DFRN ID from the requesting party
138 * @param string $owner_nick Owner nick name
139 * @param string $last_update Date of the last update
140 * @param int $direction Can be -1, 0 or 1.
141 * @param boolean $onlyheader Output only the header without content? (Default is "no")
143 * @return string DFRN feed entries
144 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
145 * @throws \ImagickException
147 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false)
151 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
152 $public_feed = (($dfrn_id) ? false : true);
153 $starred = false; // not yet implemented, possible security issues
156 if ($public_feed && $a->argc > 2) {
157 for ($x = 2; $x < $a->argc; $x++) {
158 if ($a->argv[$x] == 'converse') {
161 if ($a->argv[$x] == 'starred') {
164 if ($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) {
165 $category = $a->argv[$x+1];
170 // default permissions - anonymous user
172 $sql_extra = " AND NOT `item`.`private` ";
175 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
176 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
177 WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
178 DBA::escape($owner_nick)
181 if (! DBA::isResult($r)) {
182 Logger::log(sprintf('No contact found for nickname=%d', $owner_nick), Logger::WARNING);
187 $owner_id = $owner['uid'];
189 $sql_post_table = "";
191 if (! $public_feed) {
192 switch ($direction) {
194 $sql_extra = sprintf(" AND `issued-id` = '%s' ", DBA::escape($dfrn_id));
197 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", DBA::escape($dfrn_id));
200 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", DBA::escape($dfrn_id));
208 "SELECT * FROM `contact` WHERE NOT `blocked` AND `contact`.`uid` = %d $sql_extra LIMIT 1",
212 if (! DBA::isResult($r)) {
213 Logger::log(sprintf('No contact found for uid=%d', $owner_id), Logger::WARNING);
219 $set = PermissionSet::get($owner_id, $contact['id']);
222 $sql_extra = " AND `item`.`psid` IN (" . implode(',', $set) .")";
224 $sql_extra = " AND NOT `item`.`private`";
234 if (! strlen($last_update)) {
235 $last_update = 'now -30 days';
238 if (isset($category)) {
239 $sql_post_table = sprintf(
240 "INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
241 DBA::escape(Strings::protectSprintf($category)),
242 intval(TERM_OBJ_POST),
243 intval(TERM_CATEGORY),
248 if ($public_feed && ! $converse) {
249 $sql_extra .= " AND `contact`.`self` = 1 ";
252 $check_date = DateTimeFormat::utc($last_update);
256 FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table
257 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
258 WHERE `item`.`uid` = %d AND `item`.`wall` AND `item`.`changed` > '%s'
259 AND `item`.`visible` $sql_extra
260 ORDER BY `item`.`parent` ".$sort.", `item`.`received` ASC LIMIT 0, 300",
262 DBA::escape($check_date),
267 foreach ($r as $item) {
268 $ids[] = $item['id'];
272 $ret = Item::select(Item::DELIVER_FIELDLIST, ['id' => $ids]);
273 $items = Item::inArray($ret);
279 * Will check further below if this actually returned results.
280 * We will provide an empty feed if that is the case.
283 $doc = new DOMDocument('1.0', 'utf-8');
284 $doc->formatOutput = true;
286 $alternatelink = $owner['url'];
288 if (isset($category)) {
289 $alternatelink .= "/category/".$category;
293 $author = "dfrn:owner";
298 $root = self::addHeader($doc, $owner, $author, $alternatelink, true);
300 /// @TODO This hook can't work anymore
301 // \Friendica\Core\Hook::callAll('atom_feed', $atom);
303 if (!DBA::isResult($items) || $onlyheader) {
304 $atom = trim($doc->saveXML());
306 Hook::callAll('atom_feed_end', $atom);
311 foreach ($items as $item) {
312 // prevent private email from leaking.
313 if ($item['network'] == Protocol::MAIL) {
317 // public feeds get html, our own nodes use bbcode
321 // catch any email that's in a public conversation and make sure it doesn't leak
322 if ($item['private']) {
329 $entry = self::entry($doc, $type, $item, $owner, true);
331 $root->appendChild($entry);
335 $atom = trim($doc->saveXML());
337 Hook::callAll('atom_feed_end', $atom);
343 * @brief Generate an atom entry for a given item id
345 * @param int $item_id The item id
346 * @param boolean $conversation Show the conversation. If false show the single post.
348 * @return string DFRN feed entry
349 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
350 * @throws \ImagickException
352 public static function itemFeed($item_id, $conversation = false)
355 $condition = ['parent' => $item_id];
357 $condition = ['id' => $item_id];
360 $ret = Item::select(Item::DELIVER_FIELDLIST, $condition);
361 $items = Item::inArray($ret);
362 if (!DBA::isResult($items)) {
368 if ($item['uid'] != 0) {
369 $owner = User::getOwnerDataById($item['uid']);
374 $owner = ['uid' => 0, 'nick' => 'feed-item'];
377 $doc = new DOMDocument('1.0', 'utf-8');
378 $doc->formatOutput = true;
382 $root = $doc->createElementNS(ActivityNamespace::ATOM1, 'feed');
383 $doc->appendChild($root);
385 $root->setAttribute("xmlns:thr", ActivityNamespace::THREAD);
386 $root->setAttribute("xmlns:at", ActivityNamespace::TOMB);
387 $root->setAttribute("xmlns:media", ActivityNamespace::MEDIA);
388 $root->setAttribute("xmlns:dfrn", ActivityNamespace::DFRN);
389 $root->setAttribute("xmlns:activity", ActivityNamespace::ACTIVITY);
390 $root->setAttribute("xmlns:georss", ActivityNamespace::GEORSS);
391 $root->setAttribute("xmlns:poco", ActivityNamespace::POCO);
392 $root->setAttribute("xmlns:ostatus", ActivityNamespace::OSTATUS);
393 $root->setAttribute("xmlns:statusnet", ActivityNamespace::STATUSNET);
395 //$root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
397 foreach ($items as $item) {
398 $entry = self::entry($doc, $type, $item, $owner, true, 0);
400 $root->appendChild($entry);
404 self::entry($doc, $type, $item, $owner, true, 0, true);
407 $atom = trim($doc->saveXML());
412 * @brief Create XML text for DFRN mails
414 * @param array $item message elements
415 * @param array $owner Owner record
417 * @return string DFRN mail
418 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
419 * @todo Find proper type-hints
421 public static function mail($item, $owner)
423 $doc = new DOMDocument('1.0', 'utf-8');
424 $doc->formatOutput = true;
426 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
428 $mail = $doc->createElement("dfrn:mail");
429 $sender = $doc->createElement("dfrn:sender");
431 XML::addElement($doc, $sender, "dfrn:name", $owner['name']);
432 XML::addElement($doc, $sender, "dfrn:uri", $owner['url']);
433 XML::addElement($doc, $sender, "dfrn:avatar", $owner['thumb']);
435 $mail->appendChild($sender);
437 XML::addElement($doc, $mail, "dfrn:id", $item['uri']);
438 XML::addElement($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
439 XML::addElement($doc, $mail, "dfrn:sentdate", DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM));
440 XML::addElement($doc, $mail, "dfrn:subject", $item['title']);
441 XML::addElement($doc, $mail, "dfrn:content", $item['body']);
443 $root->appendChild($mail);
445 return trim($doc->saveXML());
449 * @brief Create XML text for DFRN friend suggestions
451 * @param array $item suggestion elements
452 * @param array $owner Owner record
454 * @return string DFRN suggestions
455 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
456 * @todo Find proper type-hints
458 public static function fsuggest($item, $owner)
460 $doc = new DOMDocument('1.0', 'utf-8');
461 $doc->formatOutput = true;
463 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
465 $suggest = $doc->createElement("dfrn:suggest");
467 XML::addElement($doc, $suggest, "dfrn:url", $item['url']);
468 XML::addElement($doc, $suggest, "dfrn:name", $item['name']);
469 XML::addElement($doc, $suggest, "dfrn:photo", $item['photo']);
470 XML::addElement($doc, $suggest, "dfrn:request", $item['request']);
471 XML::addElement($doc, $suggest, "dfrn:note", $item['note']);
473 $root->appendChild($suggest);
475 return trim($doc->saveXML());
479 * @brief Create XML text for DFRN relocations
481 * @param array $owner Owner record
482 * @param int $uid User ID
484 * @return string DFRN relocations
485 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
486 * @todo Find proper type-hints
488 public static function relocate($owner, $uid)
491 /* get site pubkey. this could be a new installation with no site keys*/
492 $pubkey = Config::get('system', 'site_pubkey');
494 $res = Crypto::newKeypair(1024);
495 Config::set('system', 'site_prvkey', $res['prvkey']);
496 Config::set('system', 'site_pubkey', $res['pubkey']);
500 "SELECT `resource-id` , `scale`, type FROM `photo`
501 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;",
505 $ext = Images::supportedTypes();
507 foreach ($rp as $p) {
508 $photos[$p['scale']] = DI::baseUrl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
512 $doc = new DOMDocument('1.0', 'utf-8');
513 $doc->formatOutput = true;
515 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
517 $relocate = $doc->createElement("dfrn:relocate");
519 XML::addElement($doc, $relocate, "dfrn:url", $owner['url']);
520 XML::addElement($doc, $relocate, "dfrn:name", $owner['name']);
521 XML::addElement($doc, $relocate, "dfrn:addr", $owner['addr']);
522 XML::addElement($doc, $relocate, "dfrn:avatar", $owner['avatar']);
523 XML::addElement($doc, $relocate, "dfrn:photo", $photos[4]);
524 XML::addElement($doc, $relocate, "dfrn:thumb", $photos[5]);
525 XML::addElement($doc, $relocate, "dfrn:micro", $photos[6]);
526 XML::addElement($doc, $relocate, "dfrn:request", $owner['request']);
527 XML::addElement($doc, $relocate, "dfrn:confirm", $owner['confirm']);
528 XML::addElement($doc, $relocate, "dfrn:notify", $owner['notify']);
529 XML::addElement($doc, $relocate, "dfrn:poll", $owner['poll']);
530 XML::addElement($doc, $relocate, "dfrn:sitepubkey", Config::get('system', 'site_pubkey'));
532 $root->appendChild($relocate);
534 return trim($doc->saveXML());
538 * @brief Adds the header elements for the DFRN protocol
540 * @param DOMDocument $doc XML document
541 * @param array $owner Owner record
542 * @param string $authorelement Element name for the author
543 * @param string $alternatelink link to profile or category
544 * @param bool $public Is it a header for public posts?
546 * @return object XML root object
547 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
548 * @todo Find proper type-hints
550 private static function addHeader(DOMDocument $doc, $owner, $authorelement, $alternatelink = "", $public = false)
553 if ($alternatelink == "") {
554 $alternatelink = $owner['url'];
557 $root = $doc->createElementNS(ActivityNamespace::ATOM1, 'feed');
558 $doc->appendChild($root);
560 $root->setAttribute("xmlns:thr", ActivityNamespace::THREAD);
561 $root->setAttribute("xmlns:at", ActivityNamespace::TOMB);
562 $root->setAttribute("xmlns:media", ActivityNamespace::MEDIA);
563 $root->setAttribute("xmlns:dfrn", ActivityNamespace::DFRN);
564 $root->setAttribute("xmlns:activity", ActivityNamespace::ACTIVITY);
565 $root->setAttribute("xmlns:georss", ActivityNamespace::GEORSS);
566 $root->setAttribute("xmlns:poco", ActivityNamespace::POCO);
567 $root->setAttribute("xmlns:ostatus", ActivityNamespace::OSTATUS);
568 $root->setAttribute("xmlns:statusnet", ActivityNamespace::STATUSNET);
570 XML::addElement($doc, $root, "id", DI::baseUrl()."/profile/".$owner["nick"]);
571 XML::addElement($doc, $root, "title", $owner["name"]);
573 $attributes = ["uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION];
574 XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
576 $attributes = ["rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/"];
577 XML::addElement($doc, $root, "link", "", $attributes);
579 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $alternatelink];
580 XML::addElement($doc, $root, "link", "", $attributes);
584 // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
585 OStatus::hublinks($doc, $root, $owner["nick"]);
587 $attributes = ["rel" => "salmon", "href" => DI::baseUrl()."/salmon/".$owner["nick"]];
588 XML::addElement($doc, $root, "link", "", $attributes);
590 $attributes = ["rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => DI::baseUrl()."/salmon/".$owner["nick"]];
591 XML::addElement($doc, $root, "link", "", $attributes);
593 $attributes = ["rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => DI::baseUrl()."/salmon/".$owner["nick"]];
594 XML::addElement($doc, $root, "link", "", $attributes);
597 // For backward compatibility we keep this element
598 if ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY) {
599 XML::addElement($doc, $root, "dfrn:community", 1);
602 // The former element is replaced by this one
603 XML::addElement($doc, $root, "dfrn:account_type", $owner["account-type"]);
605 /// @todo We need a way to transmit the different page flags like "User::PAGE_FLAGS_PRVGROUP"
607 XML::addElement($doc, $root, "updated", DateTimeFormat::utcNow(DateTimeFormat::ATOM));
609 $author = self::addAuthor($doc, $owner, $authorelement, $public);
610 $root->appendChild($author);
616 * @brief Adds the author element in the header for the DFRN protocol
618 * @param DOMDocument $doc XML document
619 * @param array $owner Owner record
620 * @param string $authorelement Element name for the author
621 * @param boolean $public boolean
623 * @return \DOMElement XML author object
624 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
625 * @todo Find proper type-hints
627 private static function addAuthor(DOMDocument $doc, array $owner, $authorelement, $public)
629 // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
631 "SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
632 WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d",
633 intval($owner['uid'])
635 if (DBA::isResult($r)) {
641 $author = $doc->createElement($authorelement);
643 $namdate = DateTimeFormat::utc($owner['name-date'].'+00:00', DateTimeFormat::ATOM);
644 $uridate = DateTimeFormat::utc($owner['uri-date'].'+00:00', DateTimeFormat::ATOM);
645 $picdate = DateTimeFormat::utc($owner['avatar-date'].'+00:00', DateTimeFormat::ATOM);
649 if (!$public || !$hidewall) {
650 $attributes = ["dfrn:updated" => $namdate];
653 XML::addElement($doc, $author, "name", $owner["name"], $attributes);
654 XML::addElement($doc, $author, "uri", DI::baseUrl().'/profile/'.$owner["nickname"], $attributes);
655 XML::addElement($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
657 $attributes = ["rel" => "photo", "type" => "image/jpeg",
658 "media:width" => 300, "media:height" => 300, "href" => $owner['photo']];
660 if (!$public || !$hidewall) {
661 $attributes["dfrn:updated"] = $picdate;
664 XML::addElement($doc, $author, "link", "", $attributes);
666 $attributes["rel"] = "avatar";
667 XML::addElement($doc, $author, "link", "", $attributes);
670 XML::addElement($doc, $author, "dfrn:hide", "true");
673 // The following fields will only be generated if the data isn't meant for a public feed
678 $birthday = feed_birthday($owner['uid'], $owner['timezone']);
681 XML::addElement($doc, $author, "dfrn:birthday", $birthday);
684 // Only show contact details when we are allowed to
686 "SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`,
687 `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
688 `profile`.`pub_keywords`, `profile`.`xmpp`, `profile`.`dob`
690 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
691 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
692 intval($owner['uid'])
694 if (DBA::isResult($r)) {
697 XML::addElement($doc, $author, "poco:displayName", $profile["name"]);
698 XML::addElement($doc, $author, "poco:updated", $namdate);
700 if (trim($profile["dob"]) > DBA::NULL_DATE) {
701 XML::addElement($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
704 XML::addElement($doc, $author, "poco:note", $profile["about"]);
705 XML::addElement($doc, $author, "poco:preferredUsername", $profile["nickname"]);
707 $savetz = date_default_timezone_get();
708 date_default_timezone_set($profile["timezone"]);
709 XML::addElement($doc, $author, "poco:utcOffset", date("P"));
710 date_default_timezone_set($savetz);
712 if (trim($profile["homepage"]) != "") {
713 $urls = $doc->createElement("poco:urls");
714 XML::addElement($doc, $urls, "poco:type", "homepage");
715 XML::addElement($doc, $urls, "poco:value", $profile["homepage"]);
716 XML::addElement($doc, $urls, "poco:primary", "true");
717 $author->appendChild($urls);
720 if (trim($profile["pub_keywords"]) != "") {
721 $keywords = explode(",", $profile["pub_keywords"]);
723 foreach ($keywords as $keyword) {
724 XML::addElement($doc, $author, "poco:tags", trim($keyword));
728 if (trim($profile["xmpp"]) != "") {
729 $ims = $doc->createElement("poco:ims");
730 XML::addElement($doc, $ims, "poco:type", "xmpp");
731 XML::addElement($doc, $ims, "poco:value", $profile["xmpp"]);
732 XML::addElement($doc, $ims, "poco:primary", "true");
733 $author->appendChild($ims);
736 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
737 $element = $doc->createElement("poco:address");
739 XML::addElement($doc, $element, "poco:formatted", Profile::formatLocation($profile));
741 if (trim($profile["locality"]) != "") {
742 XML::addElement($doc, $element, "poco:locality", $profile["locality"]);
745 if (trim($profile["region"]) != "") {
746 XML::addElement($doc, $element, "poco:region", $profile["region"]);
749 if (trim($profile["country-name"]) != "") {
750 XML::addElement($doc, $element, "poco:country", $profile["country-name"]);
753 $author->appendChild($element);
761 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
763 * @param DOMDocument $doc XML document
764 * @param string $element Element name for the author
765 * @param string $contact_url Link of the contact
766 * @param array $item Item elements
768 * @return \DOMElement XML author object
769 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
770 * @todo Find proper type-hints
772 private static function addEntryAuthor(DOMDocument $doc, $element, $contact_url, $item)
774 $author = $doc->createElement($element);
776 $contact = Contact::getDetailsByURL($contact_url, $item["uid"]);
777 if (!empty($contact)) {
778 XML::addElement($doc, $author, "name", $contact["name"]);
779 XML::addElement($doc, $author, "uri", $contact["url"]);
780 XML::addElement($doc, $author, "dfrn:handle", $contact["addr"]);
783 /// - Check real image type and image size
784 /// - Check which of these boths elements we should use
787 "type" => "image/jpeg",
789 "media:height" => 80,
790 "href" => $contact["photo"]];
791 XML::addElement($doc, $author, "link", "", $attributes);
795 "type" => "image/jpeg",
797 "media:height" => 80,
798 "href" => $contact["photo"]];
799 XML::addElement($doc, $author, "link", "", $attributes);
806 * @brief Adds the activity elements
808 * @param DOMDocument $doc XML document
809 * @param string $element Element name for the activity
810 * @param string $activity activity value
812 * @return \DOMElement XML activity object
813 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
814 * @todo Find proper type-hints
816 private static function createActivity(DOMDocument $doc, $element, $activity)
819 $entry = $doc->createElement($element);
821 $r = XML::parseString($activity, false);
827 XML::addElement($doc, $entry, "activity:object-type", $r->type);
831 XML::addElement($doc, $entry, "id", $r->id);
835 XML::addElement($doc, $entry, "title", $r->title);
839 if (substr($r->link, 0, 1) == '<') {
840 if (strstr($r->link, '&') && (! strstr($r->link, '&'))) {
841 $r->link = str_replace('&', '&', $r->link);
844 $r->link = preg_replace('/\<link(.*?)\"\>/', '<link$1"/>', $r->link);
846 // XML does need a single element as root element so we add a dummy element here
847 $data = XML::parseString("<dummy>" . $r->link . "</dummy>", false);
848 if (is_object($data)) {
849 foreach ($data->link as $link) {
851 foreach ($link->attributes() as $parameter => $value) {
852 $attributes[$parameter] = $value;
854 XML::addElement($doc, $entry, "link", "", $attributes);
858 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $r->link];
859 XML::addElement($doc, $entry, "link", "", $attributes);
863 XML::addElement($doc, $entry, "content", BBCode::convert($r->content), ["type" => "html"]);
873 * @brief Adds the elements for attachments
875 * @param object $doc XML document
876 * @param object $root XML root
877 * @param array $item Item element
879 * @return void XML attachment object
880 * @todo Find proper type-hints
882 private static function getAttachment($doc, $root, $item)
884 $arr = explode('[/attach],', $item['attach']);
886 foreach ($arr as $r) {
888 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
890 $attributes = ["rel" => "enclosure",
891 "href" => $matches[1],
892 "type" => $matches[3]];
894 if (intval($matches[2])) {
895 $attributes["length"] = intval($matches[2]);
898 if (trim($matches[4]) != "") {
899 $attributes["title"] = trim($matches[4]);
902 XML::addElement($doc, $root, "link", "", $attributes);
909 * @brief Adds the "entry" elements for the DFRN protocol
911 * @param DOMDocument $doc XML document
912 * @param string $type "text" or "html"
913 * @param array $item Item element
914 * @param array $owner Owner record
915 * @param bool $comment Trigger the sending of the "comment" element
916 * @param int $cid Contact ID of the recipient
917 * @param bool $single If set, the entry is created as an XML document with a single "entry" element
919 * @return null|\DOMElement XML entry object
920 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
921 * @throws \ImagickException
922 * @todo Find proper type-hints
924 private static function entry(DOMDocument $doc, $type, array $item, array $owner, $comment = false, $cid = 0, $single = false)
928 if (!$item['parent']) {
929 Logger::notice('Item without parent found.', ['type' => $type, 'item' => $item]);
933 if ($item['deleted']) {
934 $attributes = ["ref" => $item['uri'], "when" => DateTimeFormat::utc($item['edited'] . '+00:00', DateTimeFormat::ATOM)];
935 return XML::createElement($doc, "at:deleted-entry", "", $attributes);
939 $entry = $doc->createElement("entry");
941 $entry = $doc->createElementNS(ActivityNamespace::ATOM1, 'entry');
942 $doc->appendChild($entry);
944 $entry->setAttribute("xmlns:thr", ActivityNamespace::THREAD);
945 $entry->setAttribute("xmlns:at", ActivityNamespace::TOMB);
946 $entry->setAttribute("xmlns:media", ActivityNamespace::MEDIA);
947 $entry->setAttribute("xmlns:dfrn", ActivityNamespace::DFRN);
948 $entry->setAttribute("xmlns:activity", ActivityNamespace::ACTIVITY);
949 $entry->setAttribute("xmlns:georss", ActivityNamespace::GEORSS);
950 $entry->setAttribute("xmlns:poco", ActivityNamespace::POCO);
951 $entry->setAttribute("xmlns:ostatus", ActivityNamespace::OSTATUS);
952 $entry->setAttribute("xmlns:statusnet", ActivityNamespace::STATUSNET);
955 if ($item['private']) {
956 $body = Item::fixPrivatePhotos($item['body'], $owner['uid'], $item, $cid);
958 $body = $item['body'];
961 // Remove the abstract element. It is only locally important.
962 $body = BBCode::stripAbstract($body);
965 if ($type == 'html') {
968 if ($item['title'] != "") {
969 $htmlbody = "[b]" . $item['title'] . "[/b]\n\n" . $htmlbody;
972 $htmlbody = BBCode::convert($htmlbody, false, 7);
975 $author = self::addEntryAuthor($doc, "author", $item["author-link"], $item);
976 $entry->appendChild($author);
978 $dfrnowner = self::addEntryAuthor($doc, "dfrn:owner", $item["owner-link"], $item);
979 $entry->appendChild($dfrnowner);
981 if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
982 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
983 $parent = Item::selectFirst(['guid', 'plink'], ['uri' => $parent_item, 'uid' => $item['uid']]);
984 $attributes = ["ref" => $parent_item, "type" => "text/html",
985 "href" => $parent['plink'],
986 "dfrn:diaspora_guid" => $parent['guid']];
987 XML::addElement($doc, $entry, "thr:in-reply-to", "", $attributes);
990 // Add conversation data. This is used for OStatus
991 $conversation_href = DI::baseUrl()."/display/".$item["parent-guid"];
992 $conversation_uri = $conversation_href;
994 if (isset($parent_item)) {
995 $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $item['parent-uri']]);
996 if (DBA::isResult($conversation)) {
997 if ($conversation['conversation-uri'] != '') {
998 $conversation_uri = $conversation['conversation-uri'];
1000 if ($conversation['conversation-href'] != '') {
1001 $conversation_href = $conversation['conversation-href'];
1007 "href" => $conversation_href,
1008 "ref" => $conversation_uri];
1010 XML::addElement($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
1012 XML::addElement($doc, $entry, "id", $item["uri"]);
1013 XML::addElement($doc, $entry, "title", $item["title"]);
1015 XML::addElement($doc, $entry, "published", DateTimeFormat::utc($item["created"] . "+00:00", DateTimeFormat::ATOM));
1016 XML::addElement($doc, $entry, "updated", DateTimeFormat::utc($item["edited"] . "+00:00", DateTimeFormat::ATOM));
1018 // "dfrn:env" is used to read the content
1019 XML::addElement($doc, $entry, "dfrn:env", Strings::base64UrlEncode($body, true));
1021 // The "content" field is not read by the receiver. We could remove it when the type is "text"
1022 // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
1023 XML::addElement($doc, $entry, "content", (($type == 'html') ? $htmlbody : $body), ["type" => $type]);
1025 // We save this value in "plink". Maybe we should read it from there as well?
1031 ["rel" => "alternate", "type" => "text/html",
1032 "href" => DI::baseUrl() . "/display/" . $item["guid"]]
1035 // "comment-allow" is some old fashioned stuff for old Friendica versions.
1036 // It is included in the rewritten code for completeness
1038 XML::addElement($doc, $entry, "dfrn:comment-allow", 1);
1041 if ($item['location']) {
1042 XML::addElement($doc, $entry, "dfrn:location", $item['location']);
1045 if ($item['coord']) {
1046 XML::addElement($doc, $entry, "georss:point", $item['coord']);
1049 if ($item['private']) {
1050 XML::addElement($doc, $entry, "dfrn:private", ($item['private'] ? $item['private'] : 1));
1053 if ($item['extid']) {
1054 XML::addElement($doc, $entry, "dfrn:extid", $item['extid']);
1057 if ($item['post-type'] == Item::PT_PAGE) {
1058 XML::addElement($doc, $entry, "dfrn:bookmark", "true");
1062 XML::addElement($doc, $entry, "statusnet:notice_info", "", ["local_id" => $item['id'], "source" => $item['app']]);
1065 XML::addElement($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
1067 // The signed text contains the content in Markdown, the sender handle and the signatur for the content
1068 // It is needed for relayed comments to Diaspora.
1069 if ($item['signed_text']) {
1070 $sign = base64_encode(json_encode(['signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer']]));
1071 XML::addElement($doc, $entry, "dfrn:diaspora_signature", $sign);
1074 XML::addElement($doc, $entry, "activity:verb", self::constructVerb($item));
1076 if ($item['object-type'] != "") {
1077 XML::addElement($doc, $entry, "activity:object-type", $item['object-type']);
1078 } elseif ($item['id'] == $item['parent']) {
1079 XML::addElement($doc, $entry, "activity:object-type", Activity\ObjectType::NOTE);
1081 XML::addElement($doc, $entry, "activity:object-type", Activity\ObjectType::COMMENT);
1084 $actobj = self::createActivity($doc, "activity:object", $item['object']);
1086 $entry->appendChild($actobj);
1089 $actarg = self::createActivity($doc, "activity:target", $item['target']);
1091 $entry->appendChild($actarg);
1094 $tags = Item::getFeedTags($item);
1096 /// @TODO Combine this with similar below if() block?
1098 foreach ($tags as $t) {
1099 if (($type != 'html') || ($t[0] != "@")) {
1100 XML::addElement($doc, $entry, "category", "", ["scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]]);
1106 foreach ($tags as $t) {
1108 $mentioned[$t[1]] = $t[1];
1113 foreach ($mentioned as $mention) {
1114 $condition = ['uid' => $owner["uid"], 'nurl' => Strings::normaliseLink($mention)];
1115 $contact = DBA::selectFirst('contact', ['forum', 'prv'], $condition);
1117 if (DBA::isResult($contact) && ($contact["forum"] || $contact["prv"])) {
1123 ["rel" => "mentioned",
1124 "ostatus:object-type" => Activity\ObjectType::GROUP,
1133 ["rel" => "mentioned",
1134 "ostatus:object-type" => Activity\ObjectType::PERSON,
1140 self::getAttachment($doc, $entry, $item);
1146 * @brief encrypts data via AES
1148 * @param string $data The data that is to be encrypted
1149 * @param string $key The AES key
1151 * @return string encrypted data
1153 private static function aesEncrypt($data, $key)
1155 return openssl_encrypt($data, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1159 * @brief decrypts data via AES
1161 * @param string $encrypted The encrypted data
1162 * @param string $key The AES key
1164 * @return string decrypted data
1166 public static function aesDecrypt($encrypted, $key)
1168 return openssl_decrypt($encrypted, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1172 * @brief Delivers the atom content to the contacts
1174 * @param array $owner Owner record
1175 * @param array $contact Contact record of the receiver
1176 * @param string $atom Content that will be transmitted
1177 * @param bool $dissolve (to be documented)
1179 * @return int Deliver status. Negative values mean an error.
1180 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1181 * @throws \ImagickException
1182 * @todo Add array type-hint for $owner, $contact
1184 public static function deliver($owner, $contact, $atom, $dissolve = false)
1186 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
1188 if ($contact['duplex'] && $contact['dfrn-id']) {
1189 $idtosend = '0:' . $orig_id;
1191 if ($contact['duplex'] && $contact['issued-id']) {
1192 $idtosend = '1:' . $orig_id;
1195 $rino = Config::get('system', 'rino_encrypt');
1196 $rino = intval($rino);
1198 Logger::log("Local rino version: ". $rino, Logger::DEBUG);
1200 $ssl_val = intval(Config::get('system', 'ssl_policy'));
1203 case BaseURL::SSL_POLICY_FULL:
1204 $ssl_policy = 'full';
1206 case BaseURL::SSL_POLICY_SELFSIGN:
1207 $ssl_policy = 'self';
1209 case BaseURL::SSL_POLICY_NONE:
1211 $ssl_policy = 'none';
1215 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
1217 Logger::log('dfrn_deliver: ' . $url);
1219 $curlResult = Network::curl($url);
1221 if ($curlResult->isTimeout()) {
1222 return -2; // timed out
1225 $xml = $curlResult->getBody();
1227 $curl_stat = $curlResult->getReturnCode();
1228 if (empty($curl_stat)) {
1229 return -3; // timed out
1232 Logger::log('dfrn_deliver: ' . $xml, Logger::DATA);
1238 if (strpos($xml, '<?xml') === false) {
1239 Logger::log('dfrn_deliver: no valid XML returned');
1240 Logger::log('dfrn_deliver: returned XML: ' . $xml, Logger::DATA);
1244 $res = XML::parseString($xml);
1246 if (!is_object($res) || (intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
1247 if (empty($res->status)) {
1250 $status = $res->status;
1257 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
1258 $challenge = hex2bin((string) $res->challenge);
1259 $perm = (($res->perm) ? $res->perm : null);
1260 $dfrn_version = floatval($res->dfrn_version ?: 2.0);
1261 $rino_remote_version = intval($res->rino);
1262 $page = (($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? 1 : 0);
1264 Logger::log("Remote rino version: ".$rino_remote_version." for ".$contact["url"], Logger::DEBUG);
1266 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
1270 $final_dfrn_id = '';
1273 if ((($perm == 'rw') && !intval($contact['writable']))
1274 || (($perm == 'r') && intval($contact['writable']))
1276 DBA::update('contact', ['writable' => ($perm == 'rw')], ['id' => $contact['id']]);
1278 $contact['writable'] = (string) 1 - intval($contact['writable']);
1282 if (($contact['duplex'] && strlen($contact['pubkey']))
1283 || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY && strlen($contact['pubkey']))
1284 || ($contact['rel'] == Contact::SHARING && strlen($contact['pubkey']))
1286 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
1287 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
1289 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
1290 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
1293 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
1295 if (strpos($final_dfrn_id, ':') == 1) {
1296 $final_dfrn_id = substr($final_dfrn_id, 2);
1299 if ($final_dfrn_id != $orig_id) {
1300 Logger::log('dfrn_deliver: wrong dfrn_id.');
1301 // did not decode properly - cannot trust this site
1305 $postvars['dfrn_id'] = $idtosend;
1306 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
1308 $postvars['dissolve'] = '1';
1311 if ((($contact['rel']) && ($contact['rel'] != Contact::SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY)) {
1312 $postvars['data'] = $atom;
1313 $postvars['perm'] = 'rw';
1315 $postvars['data'] = str_replace('<dfrn:comment-allow>1', '<dfrn:comment-allow>0', $atom);
1316 $postvars['perm'] = 'r';
1319 $postvars['ssl_policy'] = $ssl_policy;
1322 $postvars['page'] = $page;
1326 if ($rino > 0 && $rino_remote_version > 0 && (! $dissolve)) {
1327 Logger::log('rino version: '. $rino_remote_version);
1329 switch ($rino_remote_version) {
1331 $key = openssl_random_pseudo_bytes(16);
1332 $data = self::aesEncrypt($postvars['data'], $key);
1336 Logger::log("rino: invalid requested version '$rino_remote_version'");
1340 $postvars['rino'] = $rino_remote_version;
1341 $postvars['data'] = bin2hex($data);
1343 if ($dfrn_version >= 2.1) {
1344 if (($contact['duplex'] && strlen($contact['pubkey']))
1345 || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY && strlen($contact['pubkey']))
1346 || ($contact['rel'] == Contact::SHARING && strlen($contact['pubkey']))
1348 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1350 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1353 if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY)) {
1354 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1356 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1360 Logger::log('md5 rawkey ' . md5($postvars['key']));
1362 $postvars['key'] = bin2hex($postvars['key']);
1366 Logger::log('dfrn_deliver: ' . "SENDING: " . print_r($postvars, true), Logger::DATA);
1368 $postResult = Network::post($contact['notify'], $postvars);
1370 $xml = $postResult->getBody();
1372 Logger::log('dfrn_deliver: ' . "RECEIVED: " . $xml, Logger::DATA);
1374 $curl_stat = $postResult->getReturnCode();
1375 if (empty($curl_stat) || empty($xml)) {
1376 return -9; // timed out
1379 if (($curl_stat == 503) && stristr($postResult->getHeader(), 'retry-after')) {
1383 if (strpos($xml, '<?xml') === false) {
1384 Logger::log('dfrn_deliver: phase 2: no valid XML returned');
1385 Logger::log('dfrn_deliver: phase 2: returned XML: ' . $xml, Logger::DATA);
1389 $res = XML::parseString($xml);
1391 if (!isset($res->status)) {
1395 // Possibly old servers had returned an empty value when everything was okay
1396 if (empty($res->status)) {
1400 if (!empty($res->message)) {
1401 Logger::log('Delivery returned status '.$res->status.' - '.$res->message, Logger::DEBUG);
1404 return intval($res->status);
1408 * @brief Transmits atom content to the contacts via the Diaspora transport layer
1410 * @param array $owner Owner record
1411 * @param array $contact Contact record of the receiver
1412 * @param string $atom Content that will be transmitted
1414 * @param bool $public_batch
1415 * @return int Deliver status. Negative values mean an error.
1416 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1417 * @throws \ImagickException
1419 public static function transmit($owner, $contact, $atom, $public_batch = false)
1421 if (!$public_batch) {
1422 if (empty($contact['addr'])) {
1423 Logger::log('Empty contact handle for ' . $contact['id'] . ' - ' . $contact['url'] . ' - trying to update it.');
1424 if (Contact::updateFromProbe($contact['id'])) {
1425 $new_contact = DBA::selectFirst('contact', ['addr'], ['id' => $contact['id']]);
1426 $contact['addr'] = $new_contact['addr'];
1429 if (empty($contact['addr'])) {
1430 Logger::log('Unable to find contact handle for ' . $contact['id'] . ' - ' . $contact['url']);
1435 $fcontact = Diaspora::personByHandle($contact['addr']);
1436 if (empty($fcontact)) {
1437 Logger::log('Unable to find contact details for ' . $contact['id'] . ' - ' . $contact['addr']);
1440 $pubkey = $fcontact['pubkey'];
1445 $envelope = Diaspora::buildMessage($atom, $owner, $contact, $owner['uprvkey'], $pubkey, $public_batch);
1447 // Create the endpoint for public posts. This is some WIP and should later be added to the probing
1448 if ($public_batch && empty($contact["batch"])) {
1449 $parts = parse_url($contact["notify"]);
1450 $path_parts = explode('/', $parts['path']);
1451 array_pop($path_parts);
1452 $parts['path'] = implode('/', $path_parts);
1453 $contact["batch"] = Network::unparseURL($parts);
1456 $dest_url = ($public_batch ? $contact["batch"] : $contact["notify"]);
1458 if (empty($dest_url)) {
1459 Logger::info('Empty destination', ['public' => $public_batch, 'contact' => $contact]);
1463 $content_type = ($public_batch ? "application/magic-envelope+xml" : "application/json");
1465 $postResult = Network::post($dest_url, $envelope, ["Content-Type: ".$content_type]);
1466 $xml = $postResult->getBody();
1468 $curl_stat = $postResult->getReturnCode();
1469 if (empty($curl_stat) || empty($xml)) {
1470 Logger::log('Empty answer from ' . $contact['id'] . ' - ' . $dest_url);
1471 return -9; // timed out
1474 if (($curl_stat == 503) && (stristr($postResult->getHeader(), 'retry-after'))) {
1478 if (strpos($xml, '<?xml') === false) {
1479 Logger::log('No valid XML returned from ' . $contact['id'] . ' - ' . $dest_url);
1480 Logger::log('Returned XML: ' . $xml, Logger::DATA);
1484 $res = XML::parseString($xml);
1486 if (empty($res->status)) {
1490 if (!empty($res->message)) {
1491 Logger::log('Transmit to ' . $dest_url . ' returned status '.$res->status.' - '.$res->message, Logger::DEBUG);
1494 return intval($res->status);
1498 * @brief Fetch the author data from head or entry items
1500 * @param object $xpath XPath object
1501 * @param object $context In which context should the data be searched
1502 * @param array $importer Record of the importer user mixed with contact of the content
1503 * @param string $element Element name from which the data is fetched
1504 * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well
1505 * @param string $xml optional, default empty
1507 * @return array Relevant data of the author
1508 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1509 * @throws \ImagickException
1510 * @todo Find good type-hints for all parameter
1512 private static function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "")
1515 $author["name"] = XML::getFirstNodeValue($xpath, $element."/atom:name/text()", $context);
1516 $author["link"] = XML::getFirstNodeValue($xpath, $element."/atom:uri/text()", $context);
1518 $fields = ['id', 'uid', 'url', 'network', 'avatar-date', 'avatar', 'name-date', 'uri-date', 'addr',
1519 'name', 'nick', 'about', 'location', 'keywords', 'xmpp', 'bdyear', 'bd', 'hidden', 'contact-type'];
1520 $condition = ["`uid` = ? AND `nurl` = ? AND `network` != ?",
1521 $importer["importer_uid"], Strings::normaliseLink($author["link"]), Protocol::STATUSNET];
1522 $contact_old = DBA::selectFirst('contact', $fields, $condition);
1524 if (DBA::isResult($contact_old)) {
1525 $author["contact-id"] = $contact_old["id"];
1526 $author["network"] = $contact_old["network"];
1529 Logger::debug("Contact ".$author["link"]." wasn't found for user ".$importer["importer_uid"]." XML: ".$xml);
1532 $author["contact-unknown"] = true;
1533 $author["contact-id"] = $importer["id"];
1534 $author["network"] = $importer["network"];
1538 // Until now we aren't serving different sizes - but maybe later
1540 /// @todo check if "avatar" or "photo" would be the best field in the specification
1541 $avatars = $xpath->query($element . "/atom:link[@rel='avatar']", $context);
1542 foreach ($avatars as $avatar) {
1545 foreach ($avatar->attributes as $attributes) {
1546 /// @TODO Rewrite these similar if() to one switch
1547 if ($attributes->name == "href") {
1548 $href = $attributes->textContent;
1550 if ($attributes->name == "width") {
1551 $width = $attributes->textContent;
1553 if ($attributes->name == "updated") {
1554 $author["avatar-date"] = $attributes->textContent;
1557 if (($width > 0) && ($href != "")) {
1558 $avatarlist[$width] = $href;
1562 if (count($avatarlist) > 0) {
1563 krsort($avatarlist);
1564 $author["avatar"] = current($avatarlist);
1567 if (empty($author['avatar']) && !empty($author['link'])) {
1568 $cid = Contact::getIdForURL($author['link'], 0);
1570 $contact = DBA::selectFirst('contact', ['avatar'], ['id' => $cid]);
1571 if (DBA::isResult($contact)) {
1572 $author['avatar'] = $contact['avatar'];
1577 if (empty($author['avatar'])) {
1578 Logger::log('Empty author: ' . $xml);
1579 $author['avatar'] = '';
1582 if (DBA::isResult($contact_old) && !$onlyfetch) {
1583 Logger::log("Check if contact details for contact " . $contact_old["id"] . " (" . $contact_old["nick"] . ") have to be updated.", Logger::DEBUG);
1585 $poco = ["url" => $contact_old["url"]];
1587 // When was the last change to name or uri?
1588 $name_element = $xpath->query($element . "/atom:name", $context)->item(0);
1589 foreach ($name_element->attributes as $attributes) {
1590 if ($attributes->name == "updated") {
1591 $poco["name-date"] = $attributes->textContent;
1595 $link_element = $xpath->query($element . "/atom:link", $context)->item(0);
1596 foreach ($link_element->attributes as $attributes) {
1597 if ($attributes->name == "updated") {
1598 $poco["uri-date"] = $attributes->textContent;
1602 // Update contact data
1603 $value = XML::getFirstNodeValue($xpath, $element . "/dfrn:handle/text()", $context);
1605 $poco["addr"] = $value;
1608 $value = XML::getFirstNodeValue($xpath, $element . "/poco:displayName/text()", $context);
1610 $poco["name"] = $value;
1613 $value = XML::getFirstNodeValue($xpath, $element . "/poco:preferredUsername/text()", $context);
1615 $poco["nick"] = $value;
1618 $value = XML::getFirstNodeValue($xpath, $element . "/poco:note/text()", $context);
1620 $poco["about"] = $value;
1623 $value = XML::getFirstNodeValue($xpath, $element . "/poco:address/poco:formatted/text()", $context);
1625 $poco["location"] = $value;
1628 /// @todo Only search for elements with "poco:type" = "xmpp"
1629 $value = XML::getFirstNodeValue($xpath, $element . "/poco:ims/poco:value/text()", $context);
1631 $poco["xmpp"] = $value;
1634 /// @todo Add support for the following fields that we don't support by now in the contact table:
1635 /// - poco:utcOffset
1641 // If the "hide" element is present then the profile isn't searchable.
1642 $hide = intval(XML::getFirstNodeValue($xpath, $element . "/dfrn:hide/text()", $context) == "true");
1644 Logger::log("Hidden status for contact " . $contact_old["url"] . ": " . $hide, Logger::DEBUG);
1646 // If the contact isn't searchable then set the contact to "hidden".
1647 // Problem: This can be manually overridden by the user.
1649 $contact_old["hidden"] = true;
1652 // Save the keywords into the contact table
1654 $tagelements = $xpath->evaluate($element . "/poco:tags/text()", $context);
1655 foreach ($tagelements as $tag) {
1656 $tags[$tag->nodeValue] = $tag->nodeValue;
1660 $poco["keywords"] = implode(", ", $tags);
1663 // "dfrn:birthday" contains the birthday converted to UTC
1664 $birthday = XML::getFirstNodeValue($xpath, $element . "/poco:birthday/text()", $context);
1666 if (strtotime($birthday) > time()) {
1667 $bd_timestamp = strtotime($birthday);
1669 $poco["bdyear"] = date("Y", $bd_timestamp);
1672 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1673 $value = XML::getFirstNodeValue($xpath, $element . "/poco:birthday/text()", $context);
1675 if (!in_array($value, ["", "0000-00-00", DBA::NULL_DATE])) {
1676 $bdyear = date("Y");
1677 $value = str_replace(["0000", "0001"], $bdyear, $value);
1679 if (strtotime($value) < time()) {
1680 $value = str_replace($bdyear, $bdyear + 1, $value);
1683 $poco["bd"] = $value;
1686 $contact = array_merge($contact_old, $poco);
1688 if ($contact_old["bdyear"] != $contact["bdyear"]) {
1689 Event::createBirthday($contact, $birthday);
1692 $fields = ['name' => $contact['name'], 'nick' => $contact['nick'], 'about' => $contact['about'],
1693 'location' => $contact['location'], 'addr' => $contact['addr'], 'keywords' => $contact['keywords'],
1694 'bdyear' => $contact['bdyear'], 'bd' => $contact['bd'], 'hidden' => $contact['hidden'],
1695 'xmpp' => $contact['xmpp'], 'name-date' => DateTimeFormat::utc($contact['name-date']),
1696 'unsearchable' => $contact['hidden'], 'uri-date' => DateTimeFormat::utc($contact['uri-date'])];
1698 DBA::update('contact', $fields, ['id' => $contact['id'], 'network' => $contact['network']], $contact_old);
1700 // Update the public contact. Don't set the "hidden" value, this is used differently for public contacts
1701 unset($fields['hidden']);
1702 $condition = ['uid' => 0, 'nurl' => Strings::normaliseLink($contact_old['url'])];
1703 DBA::update('contact', $fields, $condition, true);
1705 Contact::updateAvatar($author['avatar'], $importer['importer_uid'], $contact['id']);
1707 $pcid = Contact::getIdForURL($contact_old['url']);
1708 if (!empty($pcid)) {
1709 Contact::updateAvatar($author['avatar'], 0, $pcid);
1713 * The generation is a sign for the reliability of the provided data.
1714 * It is used in the socgraph.php to prevent that old contact data
1715 * that was relayed over several servers can overwrite contact
1716 * data that we received directly.
1719 $poco["generation"] = 2;
1720 $poco["photo"] = $author["avatar"];
1721 $poco["hide"] = $hide;
1722 $poco["contact-type"] = $contact["contact-type"];
1723 $gcid = GContact::update($poco);
1725 GContact::link($gcid, $importer["importer_uid"], $contact["id"]);
1732 * @brief Transforms activity objects into an XML string
1734 * @param object $xpath XPath object
1735 * @param object $activity Activity object
1736 * @param string $element element name
1738 * @return string XML string
1739 * @todo Find good type-hints for all parameter
1741 private static function transformActivity($xpath, $activity, $element)
1743 if (!is_object($activity)) {
1747 $obj_doc = new DOMDocument("1.0", "utf-8");
1748 $obj_doc->formatOutput = true;
1750 $obj_element = $obj_doc->createElementNS( ActivityNamespace::ATOM1, $element);
1752 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1753 XML::addElement($obj_doc, $obj_element, "type", $activity_type);
1755 $id = $xpath->query("atom:id", $activity)->item(0);
1756 if (is_object($id)) {
1757 $obj_element->appendChild($obj_doc->importNode($id, true));
1760 $title = $xpath->query("atom:title", $activity)->item(0);
1761 if (is_object($title)) {
1762 $obj_element->appendChild($obj_doc->importNode($title, true));
1765 $links = $xpath->query("atom:link", $activity);
1766 if (is_object($links)) {
1767 foreach ($links as $link) {
1768 $obj_element->appendChild($obj_doc->importNode($link, true));
1772 $content = $xpath->query("atom:content", $activity)->item(0);
1773 if (is_object($content)) {
1774 $obj_element->appendChild($obj_doc->importNode($content, true));
1777 $obj_doc->appendChild($obj_element);
1779 $objxml = $obj_doc->saveXML($obj_element);
1781 /// @todo This isn't totally clean. We should find a way to transform the namespaces
1782 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1787 * @brief Processes the mail elements
1789 * @param object $xpath XPath object
1790 * @param object $mail mail elements
1791 * @param array $importer Record of the importer user mixed with contact of the content
1793 * @throws \Exception
1794 * @todo Find good type-hints for all parameter
1796 private static function processMail($xpath, $mail, $importer)
1798 Logger::log("Processing mails");
1801 $msg["uid"] = $importer["importer_uid"];
1802 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1803 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1804 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1805 $msg["contact-id"] = $importer["id"];
1806 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1807 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1808 $msg["created"] = DateTimeFormat::utc($xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue);
1809 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1810 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1816 * @brief Processes the suggestion elements
1818 * @param object $xpath XPath object
1819 * @param object $suggestion suggestion elements
1820 * @param array $importer Record of the importer user mixed with contact of the content
1822 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1823 * @todo Find good type-hints for all parameter
1825 private static function processSuggestion($xpath, $suggestion, $importer)
1827 Logger::log('Processing suggestions');
1829 /// @TODO Rewrite this to one statement
1831 $suggest['uid'] = $importer['importer_uid'];
1832 $suggest['cid'] = $importer['id'];
1833 $suggest['url'] = $xpath->query('dfrn:url/text()', $suggestion)->item(0)->nodeValue;
1834 $suggest['name'] = $xpath->query('dfrn:name/text()', $suggestion)->item(0)->nodeValue;
1835 $suggest['photo'] = $xpath->query('dfrn:photo/text()', $suggestion)->item(0)->nodeValue;
1836 $suggest['request'] = $xpath->query('dfrn:request/text()', $suggestion)->item(0)->nodeValue;
1837 $suggest['body'] = $xpath->query('dfrn:note/text()', $suggestion)->item(0)->nodeValue;
1839 // Does our member already have a friend matching this description?
1842 * The valid result means the friend we're about to send a friend
1843 * suggestion already has them in their contact, which means no further
1844 * action is required.
1846 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1848 $condition = ['nurl' => Strings::normaliseLink($suggest['url']), 'uid' => $suggest['uid']];
1849 if (DBA::exists('contact', $condition)) {
1852 // Do we already have an fcontact record for this person?
1855 $fcontact = DBA::selectFirst('fcontact', ['id'], ['url' => $suggest['url']]);
1856 if (DBA::isResult($fcontact)) {
1857 $fid = $fcontact['id'];
1859 // OK, we do. Do we already have an introduction for this person?
1860 if (DBA::exists('intro', ['uid' => $suggest['uid'], 'fid' => $fid])) {
1862 * The valid result means the friend we're about to send a friend
1863 * suggestion already has them in their contact, which means no further
1864 * action is required.
1866 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1873 $fields = ['name' => $suggest['name'], 'url' => $suggest['url'],
1874 'photo' => $suggest['photo'], 'request' => $suggest['request']];
1875 DBA::insert('fcontact', $fields);
1876 $fid = DBA::lastInsertId();
1880 * If no record in fcontact is found, below INSERT statement will not
1881 * link an introduction to it.
1884 // Database record did not get created. Quietly give up.
1888 $hash = Strings::getRandomHex();
1890 $fields = ['uid' => $suggest['uid'], 'fid' => $fid, 'contact-id' => $suggest['cid'],
1891 'note' => $suggest['body'], 'hash' => $hash, 'datetime' => DateTimeFormat::utcNow(), 'blocked' => false];
1892 DBA::insert('intro', $fields);
1896 'type' => NOTIFY_SUGGEST,
1897 'notify_flags' => $importer['notify-flags'],
1898 'language' => $importer['language'],
1899 'to_name' => $importer['username'],
1900 'to_email' => $importer['email'],
1901 'uid' => $importer['importer_uid'],
1903 'link' => DI::baseUrl().'/notifications/intros',
1904 'source_name' => $importer['name'],
1905 'source_link' => $importer['url'],
1906 'source_photo' => $importer['photo'],
1907 'verb' => Activity::REQ_FRIEND,
1915 * @brief Processes the relocation elements
1917 * @param object $xpath XPath object
1918 * @param object $relocation relocation elements
1919 * @param array $importer Record of the importer user mixed with contact of the content
1921 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1922 * @throws \ImagickException
1923 * @todo Find good type-hints for all parameter
1925 private static function processRelocation($xpath, $relocation, $importer)
1927 Logger::log("Processing relocations");
1929 /// @TODO Rewrite this to one statement
1931 $relocate["uid"] = $importer["importer_uid"];
1932 $relocate["cid"] = $importer["id"];
1933 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1934 $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue;
1935 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1936 $relocate["avatar"] = $xpath->query("dfrn:avatar/text()", $relocation)->item(0)->nodeValue;
1937 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1938 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1939 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1940 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1941 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1942 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1943 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1944 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1946 if (($relocate["avatar"] == "") && ($relocate["photo"] != "")) {
1947 $relocate["avatar"] = $relocate["photo"];
1950 if ($relocate["addr"] == "") {
1951 $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]);
1956 "SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d",
1957 intval($importer["id"]),
1958 intval($importer["importer_uid"])
1961 if (!DBA::isResult($r)) {
1962 Logger::log("Query failed to execute, no result returned in " . __FUNCTION__);
1968 // Update the gcontact entry
1969 $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]);
1971 $fields = ['name' => $relocate["name"], 'photo' => $relocate["avatar"],
1972 'url' => $relocate["url"], 'nurl' => Strings::normaliseLink($relocate["url"]),
1973 'addr' => $relocate["addr"], 'connect' => $relocate["addr"],
1974 'notify' => $relocate["notify"], 'server_url' => $relocate["server_url"]];
1975 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($old["url"])]);
1977 // Update the contact table. We try to find every entry.
1978 $fields = ['name' => $relocate["name"], 'avatar' => $relocate["avatar"],
1979 'url' => $relocate["url"], 'nurl' => Strings::normaliseLink($relocate["url"]),
1980 'addr' => $relocate["addr"], 'request' => $relocate["request"],
1981 'confirm' => $relocate["confirm"], 'notify' => $relocate["notify"],
1982 'poll' => $relocate["poll"], 'site-pubkey' => $relocate["sitepubkey"]];
1983 $condition = ["(`id` = ?) OR (`nurl` = ?)", $importer["id"], Strings::normaliseLink($old["url"])];
1985 DBA::update('contact', $fields, $condition);
1987 Contact::updateAvatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true);
1989 Logger::log('Contacts are updated.');
1992 /// merge with current record, current contents have priority
1993 /// update record, set url-updated
1994 /// update profile photos
1995 /// schedule a scan?
2000 * @brief Updates an item
2002 * @param array $current the current item record
2003 * @param array $item the new item record
2004 * @param array $importer Record of the importer user mixed with contact of the content
2005 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2007 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2008 * @todo set proper type-hints (array?)
2010 private static function updateContent($current, $item, $importer, $entrytype)
2014 if (self::isEditedTimestampNewer($current, $item)) {
2015 // do not accept (ignore) an earlier edit than one we currently have.
2016 if (DateTimeFormat::utc($item["edited"]) < $current["edited"]) {
2020 $fields = ['title' => $item['title'] ?? '', 'body' => $item['body'] ?? '',
2021 'tag' => $item['tag'] ?? '', 'changed' => DateTimeFormat::utcNow(),
2022 'edited' => DateTimeFormat::utc($item["edited"])];
2024 $condition = ["`uri` = ? AND `uid` IN (0, ?)", $item["uri"], $importer["importer_uid"]];
2025 Item::update($fields, $condition);
2033 * @brief Detects the entry type of the item
2035 * @param array $importer Record of the importer user mixed with contact of the content
2036 * @param array $item the new item record
2038 * @return int Is it a toplevel entry, a comment or a relayed comment?
2039 * @throws \Exception
2040 * @todo set proper type-hints (array?)
2042 private static function getEntryType($importer, $item)
2044 if ($item["parent-uri"] != $item["uri"]) {
2047 if ($importer["page-flags"] == User::PAGE_FLAGS_COMMUNITY || $importer["page-flags"] == User::PAGE_FLAGS_PRVGROUP) {
2050 Logger::log("possible community action");
2052 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
2055 // was the top-level post for this action written by somebody on this site?
2056 // Specifically, the recipient?
2058 $is_a_remote_action = false;
2060 $parent = Item::selectFirst(['parent-uri'], ['uri' => $item["parent-uri"]]);
2061 if (DBA::isResult($parent)) {
2063 "SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
2064 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
2065 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
2066 AND `item`.`uid` = %d
2069 DBA::escape($parent["parent-uri"]),
2070 DBA::escape($parent["parent-uri"]),
2071 DBA::escape($parent["parent-uri"]),
2072 intval($importer["importer_uid"])
2074 if (DBA::isResult($r)) {
2075 $is_a_remote_action = true;
2080 * Does this have the characteristics of a community or private group action?
2081 * If it's an action to a wall post on a community/prvgroup page it's a
2082 * valid community action. Also forum_mode makes it valid for sure.
2083 * If neither, it's not.
2085 if ($is_a_remote_action && $community && (!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
2086 $is_a_remote_action = false;
2087 Logger::log("not a community action");
2090 if ($is_a_remote_action) {
2091 return DFRN::REPLY_RC;
2096 return DFRN::TOP_LEVEL;
2101 * @brief Send a "poke"
2103 * @param array $item The new item record
2104 * @param array $importer Record of the importer user mixed with contact of the content
2106 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2107 * @todo set proper type-hints (array?)
2109 private static function doPoke(array $item, array $importer)
2111 $verb = urldecode(substr($item["verb"], strpos($item["verb"], "#")+1));
2115 $xo = XML::parseString($item["object"], false);
2117 if (($xo->type == Activity\ObjectType::PERSON) && ($xo->id)) {
2118 // somebody was poked/prodded. Was it me?
2120 foreach ($xo->link as $l) {
2121 $atts = $l->attributes();
2122 switch ($atts["rel"]) {
2124 $Blink = $atts["href"];
2131 if ($Blink && Strings::compareLink($Blink, DI::baseUrl() . "/profile/" . $importer["nickname"])) {
2132 $author = DBA::selectFirst('contact', ['name', 'thumb', 'url'], ['id' => $item['author-id']]);
2134 $parent = Item::selectFirst(['id'], ['uri' => $item['parent-uri'], 'uid' => $importer["importer_uid"]]);
2135 $item["parent"] = $parent['id'];
2137 // send a notification
2140 "type" => NOTIFY_POKE,
2141 "notify_flags" => $importer["notify-flags"],
2142 "language" => $importer["language"],
2143 "to_name" => $importer["username"],
2144 "to_email" => $importer["email"],
2145 "uid" => $importer["importer_uid"],
2147 "link" => DI::baseUrl()."/display/".urlencode($item['guid']),
2148 "source_name" => $author["name"],
2149 "source_link" => $author["url"],
2150 "source_photo" => $author["thumb"],
2151 "verb" => $item["verb"],
2152 "otype" => "person",
2153 "activity" => $verb,
2154 "parent" => $item["parent"]]
2161 * @brief Processes several actions, depending on the verb
2163 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2164 * @param array $importer Record of the importer user mixed with contact of the content
2165 * @param array $item the new item record
2166 * @param bool $is_like Is the verb a "like"?
2168 * @return bool Should the processing of the entries be continued?
2169 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2170 * @todo set proper type-hints (array?)
2172 private static function processVerbs($entrytype, $importer, &$item, &$is_like)
2174 Logger::log("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, Logger::DEBUG);
2176 if (($entrytype == DFRN::TOP_LEVEL) && !empty($importer['id'])) {
2177 // The filling of the the "contact" variable is done for legcy reasons
2178 // The functions below are partly used by ostatus.php as well - where we have this variable
2179 $contact = Contact::selectFirst([], ['id' => $importer['id']]);
2181 $activity = DI::activity();
2183 // Big question: Do we need these functions? They were part of the "consume_feed" function.
2184 // This function once was responsible for DFRN and OStatus.
2185 if ($activity->match($item["verb"], Activity::FOLLOW)) {
2186 Logger::log("New follower");
2187 Contact::addRelationship($importer, $contact, $item);
2190 if ($activity->match($item["verb"], Activity::UNFOLLOW)) {
2191 Logger::log("Lost follower");
2192 Contact::removeFollower($importer, $contact, $item);
2195 if ($activity->match($item["verb"], Activity::REQ_FRIEND)) {
2196 Logger::log("New friend request");
2197 Contact::addRelationship($importer, $contact, $item, true);
2200 if ($activity->match($item["verb"], Activity::UNFRIEND)) {
2201 Logger::log("Lost sharer");
2202 Contact::removeSharer($importer, $contact, $item);
2206 if (($item["verb"] == Activity::LIKE)
2207 || ($item["verb"] == Activity::DISLIKE)
2208 || ($item["verb"] == Activity::ATTEND)
2209 || ($item["verb"] == Activity::ATTENDNO)
2210 || ($item["verb"] == Activity::ATTENDMAYBE)
2213 $item["gravity"] = GRAVITY_ACTIVITY;
2214 // only one like or dislike per person
2215 // splitted into two queries for performance issues
2216 $condition = ['uid' => $item["uid"], 'author-id' => $item["author-id"], 'gravity' => GRAVITY_ACTIVITY,
2217 'verb' => $item["verb"], 'parent-uri' => $item["parent-uri"]];
2218 if (Item::exists($condition)) {
2222 $condition = ['uid' => $item["uid"], 'author-id' => $item["author-id"], 'gravity' => GRAVITY_ACTIVITY,
2223 'verb' => $item["verb"], 'thr-parent' => $item["parent-uri"]];
2224 if (Item::exists($condition)) {
2228 // The owner of an activity must be the author
2229 $item["owner-name"] = $item["author-name"];
2230 $item["owner-link"] = $item["author-link"];
2231 $item["owner-avatar"] = $item["author-avatar"];
2232 $item["owner-id"] = $item["author-id"];
2237 if (($item["verb"] == Activity::TAG) && ($item["object-type"] == Activity\ObjectType::TAGTERM)) {
2238 $xo = XML::parseString($item["object"], false);
2239 $xt = XML::parseString($item["target"], false);
2241 if ($xt->type == Activity\ObjectType::NOTE) {
2242 $item_tag = Item::selectFirst(['id', 'tag'], ['uri' => $xt->id, 'uid' => $importer["importer_uid"]]);
2244 if (!DBA::isResult($item_tag)) {
2245 Logger::log("Query failed to execute, no result returned in " . __FUNCTION__);
2249 // extract tag, if not duplicate, add to parent item
2251 if (!stristr($item_tag["tag"], trim($xo->content))) {
2252 $tag = $item_tag["tag"] . (strlen($item_tag["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]';
2253 Item::update(['tag' => $tag], ['id' => $item_tag["id"]]);
2263 * @brief Processes the link elements
2265 * @param object $links link elements
2266 * @param array $item the item record
2268 * @todo set proper type-hints
2270 private static function parseLinks($links, &$item)
2277 foreach ($links as $link) {
2278 foreach ($link->attributes as $attributes) {
2279 switch ($attributes->name) {
2280 case "href" : $href = $attributes->textContent; break;
2281 case "rel" : $rel = $attributes->textContent; break;
2282 case "type" : $type = $attributes->textContent; break;
2283 case "length": $length = $attributes->textContent; break;
2284 case "title" : $title = $attributes->textContent; break;
2287 if (($rel != "") && ($href != "")) {
2290 $item["plink"] = $href;
2293 if (!empty($item["attach"])) {
2294 $item["attach"] .= ",";
2296 $item["attach"] = "";
2299 $item["attach"] .= '[attach]href="' . $href . '" length="' . $length . '" type="' . $type . '" title="' . $title . '"[/attach]';
2307 * @brief Processes the entry elements which contain the items and comments
2309 * @param array $header Array of the header elements that always stay the same
2310 * @param object $xpath XPath object
2311 * @param object $entry entry elements
2312 * @param array $importer Record of the importer user mixed with contact of the content
2313 * @param string $xml xml
2315 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2316 * @throws \ImagickException
2317 * @todo Add type-hints
2319 private static function processEntry($header, $xpath, $entry, $importer, $xml)
2321 Logger::log("Processing entries");
2325 $item["protocol"] = Conversation::PARCEL_DFRN;
2327 $item["source"] = $xml;
2330 $item["uri"] = XML::getFirstNodeValue($xpath, "atom:id/text()", $entry);
2332 $item["edited"] = XML::getFirstNodeValue($xpath, "atom:updated/text()", $entry);
2334 $current = Item::selectFirst(['id', 'uid', 'edited', 'body'],
2335 ['uri' => $item["uri"], 'uid' => $importer["importer_uid"]]
2337 // Is there an existing item?
2338 if (DBA::isResult($current) && !self::isEditedTimestampNewer($current, $item)) {
2339 Logger::log("Item ".$item["uri"]." (".$item['edited'].") already existed.", Logger::DEBUG);
2344 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true, $xml);
2346 $owner_unknown = (isset($owner["contact-unknown"]) && $owner["contact-unknown"]);
2348 $item["owner-name"] = $owner["name"];
2349 $item["owner-link"] = $owner["link"];
2350 $item["owner-avatar"] = $owner["avatar"];
2351 $item["owner-id"] = Contact::getIdForURL($owner["link"], 0);
2354 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true, $xml);
2356 $item["author-name"] = $author["name"];
2357 $item["author-link"] = $author["link"];
2358 $item["author-avatar"] = $author["avatar"];
2359 $item["author-id"] = Contact::getIdForURL($author["link"], 0);
2361 $item["title"] = XML::getFirstNodeValue($xpath, "atom:title/text()", $entry);
2363 $item["created"] = XML::getFirstNodeValue($xpath, "atom:published/text()", $entry);
2365 $item["body"] = XML::getFirstNodeValue($xpath, "dfrn:env/text()", $entry);
2366 $item["body"] = str_replace([' ',"\t","\r","\n"], ['','','',''], $item["body"]);
2367 // make sure nobody is trying to sneak some html tags by us
2368 $item["body"] = Strings::base64UrlDecode($item["body"]);
2370 $item["body"] = BBCode::limitBodySize($item["body"]);
2372 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
2373 if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) {
2374 $base_url = DI::baseUrl()->get();
2375 $item['body'] = HTML::relToAbs($item['body'], $base_url);
2377 $item['body'] = HTML::toBBCodeVideo($item['body']);
2379 $item['body'] = OEmbed::HTML2BBCode($item['body']);
2381 $config = HTMLPurifier_Config::createDefault();
2382 $config->set('Cache.DefinitionImpl', null);
2384 // we shouldn't need a whitelist, because the bbcode converter
2385 // will strip out any unsupported tags.
2387 $purifier = new HTMLPurifier($config);
2388 $item['body'] = $purifier->purify($item['body']);
2390 $item['body'] = @HTML::toBBCode($item['body']);
2393 /// @todo We should check for a repeated post and if we know the repeated author.
2395 // We don't need the content element since "dfrn:env" is always present
2396 //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue;
2398 $item["location"] = XML::getFirstNodeValue($xpath, "dfrn:location/text()", $entry);
2400 $item["coord"] = XML::getFirstNodeValue($xpath, "georss:point", $entry);
2402 $item["private"] = XML::getFirstNodeValue($xpath, "dfrn:private/text()", $entry);
2404 $item["extid"] = XML::getFirstNodeValue($xpath, "dfrn:extid/text()", $entry);
2406 if (XML::getFirstNodeValue($xpath, "dfrn:bookmark/text()", $entry) == "true") {
2407 $item["post-type"] = Item::PT_PAGE;
2410 $notice_info = $xpath->query("statusnet:notice_info", $entry);
2411 if ($notice_info && ($notice_info->length > 0)) {
2412 foreach ($notice_info->item(0)->attributes as $attributes) {
2413 if ($attributes->name == "source") {
2414 $item["app"] = strip_tags($attributes->textContent);
2419 $item["guid"] = XML::getFirstNodeValue($xpath, "dfrn:diaspora_guid/text()", $entry);
2421 // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "Item::insert"
2422 $dsprsig = XML::unescape(XML::getFirstNodeValue($xpath, "dfrn:diaspora_signature/text()", $entry));
2423 if ($dsprsig != "") {
2424 $item["dsprsig"] = $dsprsig;
2427 $item["verb"] = XML::getFirstNodeValue($xpath, "activity:verb/text()", $entry);
2429 if (XML::getFirstNodeValue($xpath, "activity:object-type/text()", $entry) != "") {
2430 $item["object-type"] = XML::getFirstNodeValue($xpath, "activity:object-type/text()", $entry);
2433 $object = $xpath->query("activity:object", $entry)->item(0);
2434 $item["object"] = self::transformActivity($xpath, $object, "object");
2436 if (trim($item["object"]) != "") {
2437 $r = XML::parseString($item["object"], false);
2438 if (isset($r->type)) {
2439 $item["object-type"] = $r->type;
2443 $target = $xpath->query("activity:target", $entry)->item(0);
2444 $item["target"] = self::transformActivity($xpath, $target, "target");
2446 $categories = $xpath->query("atom:category", $entry);
2448 foreach ($categories as $category) {
2451 foreach ($category->attributes as $attributes) {
2452 if ($attributes->name == "term") {
2453 $term = $attributes->textContent;
2456 if ($attributes->name == "scheme") {
2457 $scheme = $attributes->textContent;
2461 if (($term != "") && ($scheme != "")) {
2462 $parts = explode(":", $scheme);
2463 if ((count($parts) >= 4) && (array_shift($parts) == "X-DFRN")) {
2464 $termhash = array_shift($parts);
2465 $termurl = implode(":", $parts);
2467 if (!empty($item["tag"])) {
2468 $item["tag"] .= ",";
2473 $item["tag"] .= $termhash . "[url=" . $termurl . "]" . $term . "[/url]";
2479 $links = $xpath->query("atom:link", $entry);
2481 self::parseLinks($links, $item);
2484 $item['conversation-uri'] = XML::getFirstNodeValue($xpath, 'ostatus:conversation/text()', $entry);
2486 $conv = $xpath->query('ostatus:conversation', $entry);
2487 if (is_object($conv->item(0))) {
2488 foreach ($conv->item(0)->attributes as $attributes) {
2489 if ($attributes->name == "ref") {
2490 $item['conversation-uri'] = $attributes->textContent;
2492 if ($attributes->name == "href") {
2493 $item['conversation-href'] = $attributes->textContent;
2498 // Is it a reply or a top level posting?
2499 $item["parent-uri"] = $item["uri"];
2501 $inreplyto = $xpath->query("thr:in-reply-to", $entry);
2502 if (is_object($inreplyto->item(0))) {
2503 foreach ($inreplyto->item(0)->attributes as $attributes) {
2504 if ($attributes->name == "ref") {
2505 $item["parent-uri"] = $attributes->textContent;
2510 // Get the type of the item (Top level post, reply or remote reply)
2511 $entrytype = self::getEntryType($importer, $item);
2513 // Now assign the rest of the values that depend on the type of the message
2514 if (in_array($entrytype, [DFRN::REPLY, DFRN::REPLY_RC])) {
2515 if (!isset($item["object-type"])) {
2516 $item["object-type"] = Activity\ObjectType::COMMENT;
2519 if ($item["contact-id"] != $owner["contact-id"]) {
2520 $item["contact-id"] = $owner["contact-id"];
2523 if (($item["network"] != $owner["network"]) && ($owner["network"] != "")) {
2524 $item["network"] = $owner["network"];
2527 if ($item["contact-id"] != $author["contact-id"]) {
2528 $item["contact-id"] = $author["contact-id"];
2531 if (($item["network"] != $author["network"]) && ($author["network"] != "")) {
2532 $item["network"] = $author["network"];
2536 // Ensure to have the correct share data
2537 $item = Item::addShareDataFromOriginal($item);
2539 if ($entrytype == DFRN::REPLY_RC) {
2541 } elseif ($entrytype == DFRN::TOP_LEVEL) {
2542 if (!isset($item["object-type"])) {
2543 $item["object-type"] = Activity\ObjectType::NOTE;
2547 if (($item["object-type"] == Activity\ObjectType::EVENT) && !$owner_unknown) {
2548 Logger::log("Item ".$item["uri"]." seems to contain an event.", Logger::DEBUG);
2549 $ev = Event::fromBBCode($item["body"]);
2550 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
2551 Logger::log("Event in item ".$item["uri"]." was found.", Logger::DEBUG);
2552 $ev["cid"] = $importer["id"];
2553 $ev["uid"] = $importer["importer_uid"];
2554 $ev["uri"] = $item["uri"];
2555 $ev["edited"] = $item["edited"];
2556 $ev["private"] = $item["private"];
2557 $ev["guid"] = $item["guid"];
2558 $ev["plink"] = $item["plink"];
2560 $condition = ['uri' => $item["uri"], 'uid' => $importer["importer_uid"]];
2561 $event = DBA::selectFirst('event', ['id'], $condition);
2562 if (DBA::isResult($event)) {
2563 $ev["id"] = $event["id"];
2566 $event_id = Event::store($ev);
2567 Logger::log("Event ".$event_id." was stored", Logger::DEBUG);
2573 if (!self::processVerbs($entrytype, $importer, $item, $is_like)) {
2574 Logger::log("Exiting because 'processVerbs' told us so", Logger::DEBUG);
2578 // This check is done here to be able to receive connection requests in "processVerbs"
2579 if (($entrytype == DFRN::TOP_LEVEL) && $owner_unknown) {
2580 Logger::log("Item won't be stored because user " . $importer["importer_uid"] . " doesn't follow " . $item["owner-link"] . ".", Logger::DEBUG);
2585 // Update content if 'updated' changes
2586 if (DBA::isResult($current)) {
2587 if (self::updateContent($current, $item, $importer, $entrytype)) {
2588 Logger::log("Item ".$item["uri"]." was updated.", Logger::DEBUG);
2590 Logger::log("Item " . $item["uri"] . " already existed.", Logger::DEBUG);
2595 if (in_array($entrytype, [DFRN::REPLY, DFRN::REPLY_RC])) {
2596 $posted_id = Item::insert($item);
2598 Logger::log("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, Logger::DEBUG);
2600 if ($item['uid'] == 0) {
2601 Item::distribute($posted_id);
2606 } else { // $entrytype == DFRN::TOP_LEVEL
2607 if (($importer["uid"] == 0) && ($importer["importer_uid"] != 0)) {
2608 Logger::log("Contact ".$importer["id"]." isn't known to user ".$importer["importer_uid"].". The post will be ignored.", Logger::DEBUG);
2611 if (!Strings::compareLink($item["owner-link"], $importer["url"])) {
2613 * The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
2614 * but otherwise there's a possible data mixup on the sender's system.
2615 * the tgroup delivery code called from Item::insert will correct it if it's a forum,
2616 * but we're going to unconditionally correct it here so that the post will always be owned by our contact.
2618 Logger::log('Correcting item owner.', Logger::DEBUG);
2619 $item["owner-link"] = $importer["url"];
2620 $item["owner-id"] = Contact::getIdForURL($importer["url"], 0);
2623 if (($importer["rel"] == Contact::FOLLOWER) && (!self::tgroupCheck($importer["importer_uid"], $item))) {
2624 Logger::log("Contact ".$importer["id"]." is only follower and tgroup check was negative.", Logger::DEBUG);
2628 // This is my contact on another system, but it's really me.
2629 // Turn this into a wall post.
2630 $notify = Item::isRemoteSelf($importer, $item);
2632 $posted_id = Item::insert($item, false, $notify);
2635 $posted_id = $notify;
2638 Logger::log("Item was stored with id ".$posted_id, Logger::DEBUG);
2640 if ($item['uid'] == 0) {
2641 Item::distribute($posted_id);
2644 if (stristr($item["verb"], Activity::POKE)) {
2645 $item['id'] = $posted_id;
2646 self::doPoke($item, $importer);
2652 * @brief Deletes items
2654 * @param object $xpath XPath object
2655 * @param object $deletion deletion elements
2656 * @param array $importer Record of the importer user mixed with contact of the content
2658 * @throws \Exception
2659 * @todo set proper type-hints
2661 private static function processDeletion($xpath, $deletion, $importer)
2663 Logger::log("Processing deletions");
2666 foreach ($deletion->attributes as $attributes) {
2667 if ($attributes->name == "ref") {
2668 $uri = $attributes->textContent;
2672 if (!$uri || !$importer["id"]) {
2676 $condition = ['uri' => $uri, 'uid' => $importer["importer_uid"]];
2677 $item = Item::selectFirst(['id', 'parent', 'contact-id', 'file', 'deleted'], $condition);
2678 if (!DBA::isResult($item)) {
2679 Logger::log("Item with uri " . $uri . " for user " . $importer["importer_uid"] . " wasn't found.", Logger::DEBUG);
2683 if (strstr($item['file'], '[')) {
2684 Logger::log("Item with uri " . $uri . " for user " . $importer["importer_uid"] . " is filed. So it won't be deleted.", Logger::DEBUG);
2688 // When it is a starting post it has to belong to the person that wants to delete it
2689 if (($item['id'] == $item['parent']) && ($item['contact-id'] != $importer["id"])) {
2690 Logger::log("Item with uri " . $uri . " don't belong to contact " . $importer["id"] . " - ignoring deletion.", Logger::DEBUG);
2694 // Comments can be deleted by the thread owner or comment owner
2695 if (($item['id'] != $item['parent']) && ($item['contact-id'] != $importer["id"])) {
2696 $condition = ['id' => $item['parent'], 'contact-id' => $importer["id"]];
2697 if (!Item::exists($condition)) {
2698 Logger::log("Item with uri " . $uri . " wasn't found or mustn't be deleted by contact " . $importer["id"] . " - ignoring deletion.", Logger::DEBUG);
2703 if ($item["deleted"]) {
2707 Logger::log('deleting item '.$item['id'].' uri='.$uri, Logger::DEBUG);
2709 Item::delete(['id' => $item['id']]);
2713 * @brief Imports a DFRN message
2715 * @param string $xml The DFRN message
2716 * @param array $importer Record of the importer user mixed with contact of the content
2717 * @param bool $sort_by_date Is used when feeds are polled
2718 * @return integer Import status
2719 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2720 * @throws \ImagickException
2721 * @todo set proper type-hints
2723 public static function import($xml, $importer, $sort_by_date = false)
2729 $doc = new DOMDocument();
2730 @$doc->loadXML($xml);
2732 $xpath = new DOMXPath($doc);
2733 $xpath->registerNamespace("atom", ActivityNamespace::ATOM1);
2734 $xpath->registerNamespace("thr", ActivityNamespace::THREAD);
2735 $xpath->registerNamespace("at", ActivityNamespace::TOMB);
2736 $xpath->registerNamespace("media", ActivityNamespace::MEDIA);
2737 $xpath->registerNamespace("dfrn", ActivityNamespace::DFRN);
2738 $xpath->registerNamespace("activity", ActivityNamespace::ACTIVITY);
2739 $xpath->registerNamespace("georss", ActivityNamespace::GEORSS);
2740 $xpath->registerNamespace("poco", ActivityNamespace::POCO);
2741 $xpath->registerNamespace("ostatus", ActivityNamespace::OSTATUS);
2742 $xpath->registerNamespace("statusnet", ActivityNamespace::STATUSNET);
2745 $header["uid"] = $importer["importer_uid"];
2746 $header["network"] = Protocol::DFRN;
2747 $header["wall"] = 0;
2748 $header["origin"] = 0;
2749 $header["contact-id"] = $importer["id"];
2751 // Update the contact table if the data has changed
2753 // The "atom:author" is only present in feeds
2754 if ($xpath->query("/atom:feed/atom:author")->length > 0) {
2755 self::fetchauthor($xpath, $doc->firstChild, $importer, "atom:author", false, $xml);
2758 // Only the "dfrn:owner" in the head section contains all data
2759 if ($xpath->query("/atom:feed/dfrn:owner")->length > 0) {
2760 self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false, $xml);
2763 Logger::log("Import DFRN message for user " . $importer["importer_uid"] . " from contact " . $importer["id"], Logger::DEBUG);
2765 // is it a public forum? Private forums aren't exposed with this method
2766 $forum = intval(XML::getFirstNodeValue($xpath, "/atom:feed/dfrn:community/text()"));
2768 // The account type is new since 3.5.1
2769 if ($xpath->query("/atom:feed/dfrn:account_type")->length > 0) {
2770 // Hint: We are using separate update calls for uid=0 and uid!=0 since a combined call is bad for the database performance
2772 $accounttype = intval(XML::getFirstNodeValue($xpath, "/atom:feed/dfrn:account_type/text()"));
2774 if ($accounttype != $importer["contact-type"]) {
2775 DBA::update('contact', ['contact-type' => $accounttype], ['id' => $importer['id']]);
2777 // Updating the public contact as well
2778 DBA::update('contact', ['contact-type' => $accounttype], ['uid' => 0, 'nurl' => $importer['nurl']]);
2780 // A forum contact can either have set "forum" or "prv" - but not both
2781 if ($accounttype == User::ACCOUNT_TYPE_COMMUNITY) {
2782 // It's a forum, so either set the public or private forum flag
2783 $condition = ['(`forum` != ? OR `prv` != ?) AND `id` = ?', $forum, !$forum, $importer['id']];
2784 DBA::update('contact', ['forum' => $forum, 'prv' => !$forum], $condition);
2786 // Updating the public contact as well
2787 $condition = ['(`forum` != ? OR `prv` != ?) AND `uid` = 0 AND `nurl` = ?', $forum, !$forum, $importer['nurl']];
2788 DBA::update('contact', ['forum' => $forum, 'prv' => !$forum], $condition);
2790 // It's not a forum, so remove the flags
2791 $condition = ['(`forum` OR `prv`) AND `id` = ?', $importer['id']];
2792 DBA::update('contact', ['forum' => false, 'prv' => false], $condition);
2794 // Updating the public contact as well
2795 $condition = ['(`forum` OR `prv`) AND `uid` = 0 AND `nurl` = ?', $importer['nurl']];
2796 DBA::update('contact', ['forum' => false, 'prv' => false], $condition);
2798 } elseif ($forum != $importer["forum"]) { // Deprecated since 3.5.1
2799 $condition = ['`forum` != ? AND `id` = ?', $forum, $importer["id"]];
2800 DBA::update('contact', ['forum' => $forum], $condition);
2802 // Updating the public contact as well
2803 $condition = ['`forum` != ? AND `uid` = 0 AND `nurl` = ?', $forum, $importer['nurl']];
2804 DBA::update('contact', ['forum' => $forum], $condition);
2808 // We are processing relocations even if we are ignoring a contact
2809 $relocations = $xpath->query("/atom:feed/dfrn:relocate");
2810 foreach ($relocations as $relocation) {
2811 self::processRelocation($xpath, $relocation, $importer);
2814 if (($importer["uid"] != 0) && !$importer["readonly"]) {
2815 $mails = $xpath->query("/atom:feed/dfrn:mail");
2816 foreach ($mails as $mail) {
2817 self::processMail($xpath, $mail, $importer);
2820 $suggestions = $xpath->query("/atom:feed/dfrn:suggest");
2821 foreach ($suggestions as $suggestion) {
2822 self::processSuggestion($xpath, $suggestion, $importer);
2826 $deletions = $xpath->query("/atom:feed/at:deleted-entry");
2827 foreach ($deletions as $deletion) {
2828 self::processDeletion($xpath, $deletion, $importer);
2831 if (!$sort_by_date) {
2832 $entries = $xpath->query("/atom:feed/atom:entry");
2833 foreach ($entries as $entry) {
2834 self::processEntry($header, $xpath, $entry, $importer, $xml);
2838 $entries = $xpath->query("/atom:feed/atom:entry");
2839 foreach ($entries as $entry) {
2840 $created = XML::getFirstNodeValue($xpath, "atom:published/text()", $entry);
2841 $newentries[strtotime($created)] = $entry;
2844 // Now sort after the publishing date
2847 foreach ($newentries as $entry) {
2848 self::processEntry($header, $xpath, $entry, $importer, $xml);
2851 Logger::log("Import done for user " . $importer["importer_uid"] . " from contact " . $importer["id"], Logger::DEBUG);
2856 * @brief Returns the activity verb
2858 * @param array $item Item array
2860 * @return string activity verb
2862 private static function constructVerb(array $item)
2864 if ($item['verb']) {
2865 return $item['verb'];
2867 return Activity::POST;
2870 private static function tgroupCheck($uid, $item)
2874 // check that the message originated elsewhere and is a top-level post
2876 if ($item['wall'] || $item['origin'] || ($item['uri'] != $item['parent-uri'])) {
2880 $user = DBA::selectFirst('user', ['page-flags', 'nickname'], ['uid' => $uid]);
2881 if (!DBA::isResult($user)) {
2885 $community_page = ($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY);
2886 $prvgroup = ($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP);
2888 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2891 * Diaspora uses their own hardwired link URL in @-tags
2892 * instead of the one we supply with webfinger
2894 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2896 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2898 foreach ($matches as $mtch) {
2899 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2901 Logger::log('mention found: ' . $mtch[2]);
2910 return $community_page || $prvgroup;
2914 * This function returns true if $update has an edited timestamp newer
2915 * than $existing, i.e. $update contains new data which should override
2916 * what's already there. If there is no timestamp yet, the update is
2917 * assumed to be newer. If the update has no timestamp, the existing
2918 * item is assumed to be up-to-date. If the timestamps are equal it
2919 * assumes the update has been seen before and should be ignored.
2924 * @throws \Exception
2926 private static function isEditedTimestampNewer($existing, $update)
2928 if (empty($existing['edited'])) {
2931 if (empty($update['edited'])) {
2935 $existing_edited = DateTimeFormat::utc($existing['edited']);
2936 $update_edited = DateTimeFormat::utc($update['edited']);
2938 return (strcmp($existing_edited, $update_edited) < 0);
2942 * Checks if the given contact url does support DFRN
2944 * @param string $url profile url
2945 * @param boolean $update Update the profile
2947 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2948 * @throws \ImagickException
2950 public static function isSupportedByContactUrl($url, $update = false)
2952 $probe = Probe::uri($url, Protocol::DFRN, 0, !$update);
2953 return $probe['network'] == Protocol::DFRN;