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;
12 use Friendica\Content\OEmbed;
13 use Friendica\Core\Addon;
14 use Friendica\Core\Config;
15 use Friendica\Core\System;
16 use Friendica\Core\Worker;
17 use Friendica\Database\DBM;
18 use Friendica\Model\Contact;
19 use Friendica\Model\GContact;
20 use Friendica\Model\Group;
21 use Friendica\Model\Profile;
22 use Friendica\Model\Term;
23 use Friendica\Model\User;
24 use Friendica\Object\Image;
25 use Friendica\Protocol\OStatus;
26 use Friendica\Util\Crypto;
27 use Friendica\Util\XML;
33 use HTMLPurifier_Config;
35 require_once 'boot.php';
36 require_once 'include/dba.php';
37 require_once "include/enotify.php";
38 require_once "include/threads.php";
39 require_once "include/items.php";
40 require_once "include/tags.php";
41 require_once "include/event.php";
42 require_once "include/text.php";
43 require_once "include/html2bbcode.php";
44 require_once "include/bbcode.php";
47 * @brief This class contain functions to create and send DFRN XML files
52 const DFRN_TOP_LEVEL = 0; // Top level posting
53 const DFRN_REPLY = 1; // Regular reply that is stored locally
54 const DFRN_REPLY_RC = 2; // Reply that will be relayed
57 * @brief Generates the atom entries for delivery.php
59 * This function is used whenever content is transmitted via DFRN.
61 * @param array $items Item elements
62 * @param array $owner Owner record
64 * @return string DFRN entries
65 * @todo Add type-hints
67 public static function entries($items, $owner)
69 $doc = new DOMDocument('1.0', 'utf-8');
70 $doc->formatOutput = true;
72 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
74 if (! count($items)) {
75 return trim($doc->saveXML());
78 foreach ($items as $item) {
79 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
80 $root->appendChild($entry);
83 return(trim($doc->saveXML()));
87 * @brief Generate an atom feed for the given user
89 * This function is called when another server is pulling data from the user feed.
91 * @param string $dfrn_id DFRN ID from the requesting party
92 * @param string $owner_nick Owner nick name
93 * @param string $last_update Date of the last update
94 * @param int $direction Can be -1, 0 or 1.
95 * @param boolean $onlyheader Output only the header without content? (Default is "no")
97 * @return string DFRN feed entries
99 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false)
103 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
104 $public_feed = (($dfrn_id) ? false : true);
105 $starred = false; // not yet implemented, possible security issues
108 if ($public_feed && $a->argc > 2) {
109 for ($x = 2; $x < $a->argc; $x++) {
110 if ($a->argv[$x] == 'converse') {
113 if ($a->argv[$x] == 'starred') {
116 if ($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) {
117 $category = $a->argv[$x+1];
124 // default permissions - anonymous user
126 $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
129 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
130 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
131 WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
135 if (! DBM::is_result($r)) {
140 $owner_id = $owner['uid'];
141 $owner_nick = $owner['nickname'];
143 $sql_post_table = "";
145 if (! $public_feed) {
147 switch ($direction) {
149 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
153 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
154 $my_id = '1:' . $dfrn_id;
157 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
158 $my_id = '0:' . $dfrn_id;
166 "SELECT * FROM `contact` WHERE NOT `blocked` AND `contact`.`uid` = %d $sql_extra LIMIT 1",
170 if (! DBM::is_result($r)) {
175 include_once 'include/security.php';
176 $groups = Group::getIdsByContactId($contact['id']);
178 if (count($groups)) {
179 for ($x = 0; $x < count($groups); $x ++)
180 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
181 $gs = implode('|', $groups);
183 $gs = '<<>>' ; // Impossible to match
186 $sql_extra = sprintf(
188 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
189 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
190 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
191 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
193 intval($contact['id']),
194 intval($contact['id']),
206 if (! strlen($last_update)) {
207 $last_update = 'now -30 days';
210 if (isset($category)) {
211 $sql_post_table = sprintf(
212 "INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
213 dbesc(protect_sprintf($category)),
214 intval(TERM_OBJ_POST),
215 intval(TERM_CATEGORY),
218 //$sql_extra .= file_tag_file_query('item',$category,'category');
223 $sql_extra .= " AND `contact`.`self` = 1 ";
227 $check_date = datetime_convert('UTC', 'UTC', $last_update, 'Y-m-d H:i:s');
230 "SELECT `item`.*, `item`.`id` AS `item_id`,
231 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
232 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
233 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
234 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
235 FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table
236 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
237 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
238 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
239 WHERE `item`.`uid` = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
240 AND `item`.`wall` AND `item`.`changed` > '%s'
242 ORDER BY `item`.`parent` ".$sort.", `item`.`created` ASC LIMIT 0, 300",
249 * Will check further below if this actually returned results.
250 * We will provide an empty feed if that is the case.
255 $doc = new DOMDocument('1.0', 'utf-8');
256 $doc->formatOutput = true;
258 $alternatelink = $owner['url'];
260 if (isset($category)) {
261 $alternatelink .= "/category/".$category;
265 $author = "dfrn:owner";
270 $root = self::addHeader($doc, $owner, $author, $alternatelink, true);
272 /// @TODO This hook can't work anymore
273 // Addon::callHooks('atom_feed', $atom);
275 if (!DBM::is_result($items) || $onlyheader) {
276 $atom = trim($doc->saveXML());
278 Addon::callHooks('atom_feed_end', $atom);
283 foreach ($items as $item) {
284 // prevent private email from leaking.
285 if ($item['network'] == NETWORK_MAIL) {
289 // public feeds get html, our own nodes use bbcode
293 // catch any email that's in a public conversation and make sure it doesn't leak
294 if ($item['private']) {
301 $entry = self::entry($doc, $type, $item, $owner, true);
302 $root->appendChild($entry);
305 $atom = trim($doc->saveXML());
307 Addon::callHooks('atom_feed_end', $atom);
313 * @brief Generate an atom entry for a given item id
315 * @param int $item_id The item id
316 * @param boolean $conversation Show the conversation. If false show the single post.
318 * @return string DFRN feed entry
320 public static function itemFeed($item_id, $conversation = false)
323 $condition = '`item`.`parent`';
325 $condition = '`item`.`id`';
329 "SELECT `item`.*, `item`.`id` AS `item_id`,
330 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
331 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
332 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
333 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
335 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
336 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
337 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
338 WHERE %s = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
339 AND NOT `item`.`private`",
344 if (!DBM::is_result($r)) {
351 if ($item['uid'] != 0) {
352 $owner = User::getOwnerDataById($item['uid']);
357 $owner = ['uid' => 0, 'nick' => 'feed-item'];
360 $doc = new DOMDocument('1.0', 'utf-8');
361 $doc->formatOutput = true;
365 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
366 $doc->appendChild($root);
368 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
369 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
370 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
371 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
372 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
373 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
374 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
375 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
376 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
378 //$root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
380 foreach ($items as $item) {
381 $entry = self::entry($doc, $type, $item, $owner, true, 0);
382 $root->appendChild($entry);
385 $root = self::entry($doc, $type, $item, $owner, true, 0, true);
388 $atom = trim($doc->saveXML());
393 * @brief Create XML text for DFRN mails
395 * @param array $item message elements
396 * @param array $owner Owner record
398 * @return string DFRN mail
399 * @todo Add type-hints
401 public static function mail($item, $owner)
403 $doc = new DOMDocument('1.0', 'utf-8');
404 $doc->formatOutput = true;
406 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
408 $mail = $doc->createElement("dfrn:mail");
409 $sender = $doc->createElement("dfrn:sender");
411 XML::addElement($doc, $sender, "dfrn:name", $owner['name']);
412 XML::addElement($doc, $sender, "dfrn:uri", $owner['url']);
413 XML::addElement($doc, $sender, "dfrn:avatar", $owner['thumb']);
415 $mail->appendChild($sender);
417 XML::addElement($doc, $mail, "dfrn:id", $item['uri']);
418 XML::addElement($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
419 XML::addElement($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00', ATOM_TIME));
420 XML::addElement($doc, $mail, "dfrn:subject", $item['title']);
421 XML::addElement($doc, $mail, "dfrn:content", $item['body']);
423 $root->appendChild($mail);
425 return(trim($doc->saveXML()));
429 * @brief Create XML text for DFRN friend suggestions
431 * @param array $item suggestion elements
432 * @param array $owner Owner record
434 * @return string DFRN suggestions
435 * @todo Add type-hints
437 public static function fsuggest($item, $owner)
439 $doc = new DOMDocument('1.0', 'utf-8');
440 $doc->formatOutput = true;
442 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
444 $suggest = $doc->createElement("dfrn:suggest");
446 XML::addElement($doc, $suggest, "dfrn:url", $item['url']);
447 XML::addElement($doc, $suggest, "dfrn:name", $item['name']);
448 XML::addElement($doc, $suggest, "dfrn:photo", $item['photo']);
449 XML::addElement($doc, $suggest, "dfrn:request", $item['request']);
450 XML::addElement($doc, $suggest, "dfrn:note", $item['note']);
452 $root->appendChild($suggest);
454 return(trim($doc->saveXML()));
458 * @brief Create XML text for DFRN relocations
460 * @param array $owner Owner record
461 * @param int $uid User ID
463 * @return string DFRN relocations
464 * @todo Add type-hints
466 public static function relocate($owner, $uid)
469 /* get site pubkey. this could be a new installation with no site keys*/
470 $pubkey = Config::get('system', 'site_pubkey');
472 $res = Crypto::newKeypair(1024);
473 Config::set('system', 'site_prvkey', $res['prvkey']);
474 Config::set('system', 'site_pubkey', $res['pubkey']);
478 "SELECT `resource-id` , `scale`, type FROM `photo`
479 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;",
483 $ext = Image::supportedTypes();
485 foreach ($rp as $p) {
486 $photos[$p['scale']] = System::baseUrl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
491 $doc = new DOMDocument('1.0', 'utf-8');
492 $doc->formatOutput = true;
494 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
496 $relocate = $doc->createElement("dfrn:relocate");
498 XML::addElement($doc, $relocate, "dfrn:url", $owner['url']);
499 XML::addElement($doc, $relocate, "dfrn:name", $owner['name']);
500 XML::addElement($doc, $relocate, "dfrn:addr", $owner['addr']);
501 XML::addElement($doc, $relocate, "dfrn:avatar", $owner['avatar']);
502 XML::addElement($doc, $relocate, "dfrn:photo", $photos[4]);
503 XML::addElement($doc, $relocate, "dfrn:thumb", $photos[5]);
504 XML::addElement($doc, $relocate, "dfrn:micro", $photos[6]);
505 XML::addElement($doc, $relocate, "dfrn:request", $owner['request']);
506 XML::addElement($doc, $relocate, "dfrn:confirm", $owner['confirm']);
507 XML::addElement($doc, $relocate, "dfrn:notify", $owner['notify']);
508 XML::addElement($doc, $relocate, "dfrn:poll", $owner['poll']);
509 XML::addElement($doc, $relocate, "dfrn:sitepubkey", Config::get('system', 'site_pubkey'));
511 $root->appendChild($relocate);
513 return(trim($doc->saveXML()));
517 * @brief Adds the header elements for the DFRN protocol
519 * @param object $doc XML document
520 * @param array $owner Owner record
521 * @param string $authorelement Element name for the author
522 * @param string $alternatelink link to profile or category
523 * @param bool $public Is it a header for public posts?
525 * @return object XML root object
526 * @todo Add type-hints
528 private static function addHeader($doc, $owner, $authorelement, $alternatelink = "", $public = false)
531 if ($alternatelink == "") {
532 $alternatelink = $owner['url'];
535 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
536 $doc->appendChild($root);
538 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
539 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
540 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
541 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
542 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
543 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
544 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
545 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
546 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
548 XML::addElement($doc, $root, "id", System::baseUrl()."/profile/".$owner["nick"]);
549 XML::addElement($doc, $root, "title", $owner["name"]);
551 $attributes = ["uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION];
552 XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
554 $attributes = ["rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/"];
555 XML::addElement($doc, $root, "link", "", $attributes);
557 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $alternatelink];
558 XML::addElement($doc, $root, "link", "", $attributes);
562 // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
563 OStatus::hublinks($doc, $root, $owner["nick"]);
565 $attributes = ["rel" => "salmon", "href" => System::baseUrl()."/salmon/".$owner["nick"]];
566 XML::addElement($doc, $root, "link", "", $attributes);
568 $attributes = ["rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => System::baseUrl()."/salmon/".$owner["nick"]];
569 XML::addElement($doc, $root, "link", "", $attributes);
571 $attributes = ["rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => System::baseUrl()."/salmon/".$owner["nick"]];
572 XML::addElement($doc, $root, "link", "", $attributes);
575 // For backward compatibility we keep this element
576 if ($owner['page-flags'] == PAGE_COMMUNITY) {
577 XML::addElement($doc, $root, "dfrn:community", 1);
580 // The former element is replaced by this one
581 XML::addElement($doc, $root, "dfrn:account_type", $owner["account-type"]);
583 /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP"
585 XML::addElement($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
587 $author = self::addAuthor($doc, $owner, $authorelement, $public);
588 $root->appendChild($author);
594 * @brief Adds the author element in the header for the DFRN protocol
596 * @param object $doc XML document
597 * @param array $owner Owner record
598 * @param string $authorelement Element name for the author
599 * @param boolean $public boolean
601 * @return object XML author object
602 * @todo Add type-hints
604 private static function addAuthor($doc, $owner, $authorelement, $public)
606 // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
608 "SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
609 WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d",
610 intval($owner['uid'])
612 if (DBM::is_result($r)) {
618 $author = $doc->createElement($authorelement);
620 $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00', ATOM_TIME);
621 $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
622 $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
626 if (!$public || !$hidewall) {
627 $attributes = ["dfrn:updated" => $namdate];
630 XML::addElement($doc, $author, "name", $owner["name"], $attributes);
631 XML::addElement($doc, $author, "uri", System::baseUrl().'/profile/'.$owner["nickname"], $attributes);
632 XML::addElement($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
634 $attributes = ["rel" => "photo", "type" => "image/jpeg",
635 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']];
637 if (!$public || !$hidewall) {
638 $attributes["dfrn:updated"] = $picdate;
641 XML::addElement($doc, $author, "link", "", $attributes);
643 $attributes["rel"] = "avatar";
644 XML::addElement($doc, $author, "link", "", $attributes);
647 XML::addElement($doc, $author, "dfrn:hide", "true");
650 // The following fields will only be generated if the data isn't meant for a public feed
655 $birthday = feed_birthday($owner['uid'], $owner['timezone']);
658 XML::addElement($doc, $author, "dfrn:birthday", $birthday);
661 // Only show contact details when we are allowed to
663 "SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`,
664 `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
665 `profile`.`pub_keywords`, `profile`.`xmpp`, `profile`.`dob`
667 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
668 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
669 intval($owner['uid'])
671 if (DBM::is_result($r)) {
674 XML::addElement($doc, $author, "poco:displayName", $profile["name"]);
675 XML::addElement($doc, $author, "poco:updated", $namdate);
677 if (trim($profile["dob"]) > '0001-01-01') {
678 XML::addElement($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
681 XML::addElement($doc, $author, "poco:note", $profile["about"]);
682 XML::addElement($doc, $author, "poco:preferredUsername", $profile["nickname"]);
684 $savetz = date_default_timezone_get();
685 date_default_timezone_set($profile["timezone"]);
686 XML::addElement($doc, $author, "poco:utcOffset", date("P"));
687 date_default_timezone_set($savetz);
689 if (trim($profile["homepage"]) != "") {
690 $urls = $doc->createElement("poco:urls");
691 XML::addElement($doc, $urls, "poco:type", "homepage");
692 XML::addElement($doc, $urls, "poco:value", $profile["homepage"]);
693 XML::addElement($doc, $urls, "poco:primary", "true");
694 $author->appendChild($urls);
697 if (trim($profile["pub_keywords"]) != "") {
698 $keywords = explode(",", $profile["pub_keywords"]);
700 foreach ($keywords as $keyword) {
701 XML::addElement($doc, $author, "poco:tags", trim($keyword));
705 if (trim($profile["xmpp"]) != "") {
706 $ims = $doc->createElement("poco:ims");
707 XML::addElement($doc, $ims, "poco:type", "xmpp");
708 XML::addElement($doc, $ims, "poco:value", $profile["xmpp"]);
709 XML::addElement($doc, $ims, "poco:primary", "true");
710 $author->appendChild($ims);
713 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
714 $element = $doc->createElement("poco:address");
716 XML::addElement($doc, $element, "poco:formatted", Profile::formatLocation($profile));
718 if (trim($profile["locality"]) != "") {
719 XML::addElement($doc, $element, "poco:locality", $profile["locality"]);
722 if (trim($profile["region"]) != "") {
723 XML::addElement($doc, $element, "poco:region", $profile["region"]);
726 if (trim($profile["country-name"]) != "") {
727 XML::addElement($doc, $element, "poco:country", $profile["country-name"]);
730 $author->appendChild($element);
738 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
740 * @param object $doc XML document
741 * @param string $element Element name for the author
742 * @param string $contact_url Link of the contact
743 * @param array $item Item elements
745 * @return object XML author object
746 * @todo Add type-hints
748 private static function addEntryAuthor($doc, $element, $contact_url, $item)
750 $contact = Contact::getDetailsByURL($contact_url, $item["uid"]);
752 $author = $doc->createElement($element);
753 XML::addElement($doc, $author, "name", $contact["name"]);
754 XML::addElement($doc, $author, "uri", $contact["url"]);
755 XML::addElement($doc, $author, "dfrn:handle", $contact["addr"]);
758 /// - Check real image type and image size
759 /// - Check which of these boths elements we should use
762 "type" => "image/jpeg",
764 "media:height" => 80,
765 "href" => $contact["photo"]];
766 XML::addElement($doc, $author, "link", "", $attributes);
770 "type" => "image/jpeg",
772 "media:height" => 80,
773 "href" => $contact["photo"]];
774 XML::addElement($doc, $author, "link", "", $attributes);
780 * @brief Adds the activity elements
782 * @param object $doc XML document
783 * @param string $element Element name for the activity
784 * @param string $activity activity value
786 * @return object XML activity object
787 * @todo Add type-hints
789 private static function createActivity($doc, $element, $activity)
792 $entry = $doc->createElement($element);
794 $r = parse_xml_string($activity, false);
799 XML::addElement($doc, $entry, "activity:object-type", $r->type);
802 XML::addElement($doc, $entry, "id", $r->id);
805 XML::addElement($doc, $entry, "title", $r->title);
809 if (substr($r->link, 0, 1) == '<') {
810 if (strstr($r->link, '&') && (! strstr($r->link, '&'))) {
811 $r->link = str_replace('&', '&', $r->link);
814 $r->link = preg_replace('/\<link(.*?)\"\>/', '<link$1"/>', $r->link);
816 // XML does need a single element as root element so we add a dummy element here
817 $data = parse_xml_string("<dummy>" . $r->link . "</dummy>", false);
818 if (is_object($data)) {
819 foreach ($data->link as $link) {
821 foreach ($link->attributes() as $parameter => $value) {
822 $attributes[$parameter] = $value;
824 XML::addElement($doc, $entry, "link", "", $attributes);
828 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $r->link];
829 XML::addElement($doc, $entry, "link", "", $attributes);
833 XML::addElement($doc, $entry, "content", bbcode($r->content), ["type" => "html"]);
843 * @brief Adds the elements for attachments
845 * @param object $doc XML document
846 * @param object $root XML root
847 * @param array $item Item element
849 * @return object XML attachment object
850 * @todo Add type-hints
852 private static function getAttachment($doc, $root, $item)
854 $arr = explode('[/attach],', $item['attach']);
856 foreach ($arr as $r) {
858 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
860 $attributes = ["rel" => "enclosure",
861 "href" => $matches[1],
862 "type" => $matches[3]];
864 if (intval($matches[2])) {
865 $attributes["length"] = intval($matches[2]);
868 if (trim($matches[4]) != "") {
869 $attributes["title"] = trim($matches[4]);
872 XML::addElement($doc, $root, "link", "", $attributes);
879 * @brief Adds the "entry" elements for the DFRN protocol
881 * @param object $doc XML document
882 * @param string $type "text" or "html"
883 * @param array $item Item element
884 * @param array $owner Owner record
885 * @param bool $comment Trigger the sending of the "comment" element
886 * @param int $cid Contact ID of the recipient
887 * @param bool $single If set, the entry is created as an XML document with a single "entry" element
889 * @return object XML entry object
890 * @todo Add type-hints
892 private static function entry($doc, $type, $item, $owner, $comment = false, $cid = 0, $single = false)
896 if (!$item['parent']) {
900 if ($item['deleted']) {
901 $attributes = ["ref" => $item['uri'], "when" => datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00', ATOM_TIME)];
902 return XML::createElement($doc, "at:deleted-entry", "", $attributes);
906 $entry = $doc->createElement("entry");
908 $entry = $doc->createElementNS(NAMESPACE_ATOM1, 'entry');
909 $doc->appendChild($entry);
911 $entry->setAttribute("xmlns:thr", NAMESPACE_THREAD);
912 $entry->setAttribute("xmlns:at", NAMESPACE_TOMB);
913 $entry->setAttribute("xmlns:media", NAMESPACE_MEDIA);
914 $entry->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
915 $entry->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
916 $entry->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
917 $entry->setAttribute("xmlns:poco", NAMESPACE_POCO);
918 $entry->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
919 $entry->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
922 if ($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) {
923 $body = fix_private_photos($item['body'], $owner['uid'], $item, $cid);
925 $body = $item['body'];
928 // Remove the abstract element. It is only locally important.
929 $body = remove_abstract($body);
931 if ($type == 'html') {
934 if ($item['title'] != "") {
935 $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody;
938 $htmlbody = bbcode($htmlbody, false, false, 7);
941 $author = self::addEntryAuthor($doc, "author", $item["author-link"], $item);
942 $entry->appendChild($author);
944 $dfrnowner = self::addEntryAuthor($doc, "dfrn:owner", $item["owner-link"], $item);
945 $entry->appendChild($dfrnowner);
947 if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
948 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
949 $parent = q("SELECT `guid`,`plink` FROM `item` WHERE `uri` = '%s' AND `uid` = %d", dbesc($parent_item), intval($item['uid']));
950 $attributes = ["ref" => $parent_item, "type" => "text/html",
951 "href" => $parent[0]['plink'],
952 "dfrn:diaspora_guid" => $parent[0]['guid']];
953 XML::addElement($doc, $entry, "thr:in-reply-to", "", $attributes);
956 // Add conversation data. This is used for OStatus
957 $conversation_href = System::baseUrl()."/display/".$owner["nick"]."/".$item["parent"];
958 $conversation_uri = $conversation_href;
960 if (isset($parent_item)) {
961 $r = dba::fetch_first("SELECT `conversation-uri`, `conversation-href` FROM `conversation` WHERE `item-uri` = ?", $item['parent-uri']);
962 if (DBM::is_result($r)) {
963 if ($r['conversation-uri'] != '') {
964 $conversation_uri = $r['conversation-uri'];
966 if ($r['conversation-href'] != '') {
967 $conversation_href = $r['conversation-href'];
973 "href" => $conversation_href,
974 "ref" => $conversation_uri];
976 XML::addElement($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
978 XML::addElement($doc, $entry, "id", $item["uri"]);
979 XML::addElement($doc, $entry, "title", $item["title"]);
981 XML::addElement($doc, $entry, "published", datetime_convert("UTC", "UTC", $item["created"] . "+00:00", ATOM_TIME));
982 XML::addElement($doc, $entry, "updated", datetime_convert("UTC", "UTC", $item["edited"] . "+00:00", ATOM_TIME));
984 // "dfrn:env" is used to read the content
985 XML::addElement($doc, $entry, "dfrn:env", base64url_encode($body, true));
987 // The "content" field is not read by the receiver. We could remove it when the type is "text"
988 // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
989 XML::addElement($doc, $entry, "content", (($type == 'html') ? $htmlbody : $body), ["type" => $type]);
991 // We save this value in "plink". Maybe we should read it from there as well?
997 ["rel" => "alternate", "type" => "text/html",
998 "href" => System::baseUrl() . "/display/" . $item["guid"]]
1001 // "comment-allow" is some old fashioned stuff for old Friendica versions.
1002 // It is included in the rewritten code for completeness
1004 XML::addElement($doc, $entry, "dfrn:comment-allow", 1);
1007 if ($item['location']) {
1008 XML::addElement($doc, $entry, "dfrn:location", $item['location']);
1011 if ($item['coord']) {
1012 XML::addElement($doc, $entry, "georss:point", $item['coord']);
1015 if (($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid'])) {
1016 XML::addElement($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
1019 if ($item['extid']) {
1020 XML::addElement($doc, $entry, "dfrn:extid", $item['extid']);
1023 if ($item['bookmark']) {
1024 XML::addElement($doc, $entry, "dfrn:bookmark", "true");
1028 XML::addElement($doc, $entry, "statusnet:notice_info", "", ["local_id" => $item['id'], "source" => $item['app']]);
1031 XML::addElement($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
1033 // The signed text contains the content in Markdown, the sender handle and the signatur for the content
1034 // It is needed for relayed comments to Diaspora.
1035 if ($item['signed_text']) {
1036 $sign = base64_encode(json_encode(['signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer']]));
1037 XML::addElement($doc, $entry, "dfrn:diaspora_signature", $sign);
1040 XML::addElement($doc, $entry, "activity:verb", self::constructVerb($item));
1042 if ($item['object-type'] != "") {
1043 XML::addElement($doc, $entry, "activity:object-type", $item['object-type']);
1044 } elseif ($item['id'] == $item['parent']) {
1045 XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
1047 XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
1050 $actobj = self::createActivity($doc, "activity:object", $item['object']);
1052 $entry->appendChild($actobj);
1055 $actarg = self::createActivity($doc, "activity:target", $item['target']);
1057 $entry->appendChild($actarg);
1060 $tags = item_getfeedtags($item);
1063 foreach ($tags as $t) {
1064 if (($type != 'html') || ($t[0] != "@")) {
1065 XML::addElement($doc, $entry, "category", "", ["scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]]);
1071 foreach ($tags as $t) {
1073 $mentioned[$t[1]] = $t[1];
1078 foreach ($mentioned as $mention) {
1080 "SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
1081 intval($owner["uid"]),
1082 dbesc(normalise_link($mention))
1085 if (DBM::is_result($r) && ($r[0]["forum"] || $r[0]["prv"])) {
1091 ["rel" => "mentioned",
1092 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
1101 ["rel" => "mentioned",
1102 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
1108 self::getAttachment($doc, $entry, $item);
1114 * @brief encrypts data via AES
1116 * @param string $data The data that is to be encrypted
1117 * @param string $key The AES key
1119 * @return string encrypted data
1121 private static function aesEncrypt($data, $key)
1123 return openssl_encrypt($data, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1127 * @brief decrypts data via AES
1129 * @param string $encrypted The encrypted data
1130 * @param string $key The AES key
1132 * @return string decrypted data
1134 public static function aesDecrypt($encrypted, $key)
1136 return openssl_decrypt($encrypted, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1140 * @brief Delivers the atom content to the contacts
1142 * @param array $owner Owner record
1143 * @param array $contact Contact record of the receiver
1144 * @param string $atom Content that will be transmitted
1145 * @param bool $dissolve (to be documented)
1147 * @return int Deliver status. -1 means an error.
1148 * @todo Add array type-hint for $owner, $contact
1150 public static function deliver($owner, $contact, $atom, $dissolve = false)
1154 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
1156 if ($contact['duplex'] && $contact['dfrn-id']) {
1157 $idtosend = '0:' . $orig_id;
1159 if ($contact['duplex'] && $contact['issued-id']) {
1160 $idtosend = '1:' . $orig_id;
1163 $rino = Config::get('system', 'rino_encrypt');
1164 $rino = intval($rino);
1166 logger("Local rino version: ". $rino, LOGGER_DEBUG);
1168 $ssl_val = intval(Config::get('system', 'ssl_policy'));
1172 case SSL_POLICY_FULL:
1173 $ssl_policy = 'full';
1175 case SSL_POLICY_SELFSIGN:
1176 $ssl_policy = 'self';
1178 case SSL_POLICY_NONE:
1180 $ssl_policy = 'none';
1184 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
1186 logger('dfrn_deliver: ' . $url);
1188 $ret = z_fetch_url($url);
1190 if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
1191 return -2; // timed out
1194 $xml = $ret['body'];
1196 $curl_stat = $a->get_curl_code();
1198 return -3; // timed out
1201 logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
1207 if (strpos($xml, '<?xml') === false) {
1208 logger('dfrn_deliver: no valid XML returned');
1209 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
1213 $res = parse_xml_string($xml);
1215 if ((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) {
1216 return (($res->status) ? $res->status : 3);
1220 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
1221 $challenge = hex2bin((string) $res->challenge);
1222 $perm = (($res->perm) ? $res->perm : null);
1223 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
1224 $rino_remote_version = intval($res->rino);
1225 $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0);
1227 logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG);
1229 if ($owner['page-flags'] == PAGE_PRVGROUP) {
1233 $final_dfrn_id = '';
1236 if ((($perm == 'rw') && (! intval($contact['writable'])))
1237 || (($perm == 'r') && (intval($contact['writable'])))
1240 "update contact set writable = %d where id = %d",
1241 intval(($perm == 'rw') ? 1 : 0),
1242 intval($contact['id'])
1244 $contact['writable'] = (string) 1 - intval($contact['writable']);
1248 if (($contact['duplex'] && strlen($contact['pubkey']))
1249 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1250 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))
1252 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
1253 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
1255 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
1256 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
1259 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
1261 if (strpos($final_dfrn_id, ':') == 1) {
1262 $final_dfrn_id = substr($final_dfrn_id, 2);
1265 if ($final_dfrn_id != $orig_id) {
1266 logger('dfrn_deliver: wrong dfrn_id.');
1267 // did not decode properly - cannot trust this site
1271 $postvars['dfrn_id'] = $idtosend;
1272 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
1274 $postvars['dissolve'] = '1';
1278 if ((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1279 $postvars['data'] = $atom;
1280 $postvars['perm'] = 'rw';
1282 $postvars['data'] = str_replace('<dfrn:comment-allow>1', '<dfrn:comment-allow>0', $atom);
1283 $postvars['perm'] = 'r';
1286 $postvars['ssl_policy'] = $ssl_policy;
1289 $postvars['page'] = $page;
1293 if ($rino > 0 && $rino_remote_version > 0 && (! $dissolve)) {
1294 logger('rino version: '. $rino_remote_version);
1296 switch ($rino_remote_version) {
1298 $key = openssl_random_pseudo_bytes(16);
1299 $data = self::aesEncrypt($postvars['data'], $key);
1302 logger("rino: invalid requested version '$rino_remote_version'");
1306 $postvars['rino'] = $rino_remote_version;
1307 $postvars['data'] = bin2hex($data);
1309 if ($dfrn_version >= 2.1) {
1310 if (($contact['duplex'] && strlen($contact['pubkey']))
1311 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1312 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))
1314 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1316 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1319 if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1320 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1322 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1326 logger('md5 rawkey ' . md5($postvars['key']));
1328 $postvars['key'] = bin2hex($postvars['key']);
1332 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars, true), LOGGER_DATA);
1334 $xml = post_url($contact['notify'], $postvars);
1336 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
1338 $curl_stat = $a->get_curl_code();
1339 if ((!$curl_stat) || (!strlen($xml))) {
1340 return -9; // timed out
1343 if (($curl_stat == 503) && (stristr($a->get_curl_headers(), 'retry-after'))) {
1347 if (strpos($xml, '<?xml') === false) {
1348 logger('dfrn_deliver: phase 2: no valid XML returned');
1349 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
1353 if ($contact['term-date'] > NULL_DATE) {
1354 logger("dfrn_deliver: $url back from the dead - removing mark for death");
1355 Contact::unmarkForArchival($contact);
1358 $res = parse_xml_string($xml);
1360 if (!isset($res->status)) {
1364 if (!empty($res->message)) {
1365 logger('Delivery returned status '.$res->status.' - '.$res->message, LOGGER_DEBUG);
1368 return intval($res->status);
1372 * @brief Add new birthday event for this person
1374 * @param array $contact Contact record
1375 * @param string $birthday Birthday of the contact
1377 * @todo Add array type-hint for $contact
1379 private static function birthdayEvent($contact, $birthday)
1381 // Check for duplicates
1383 "SELECT `id` FROM `event` WHERE `uid` = %d AND `cid` = %d AND `start` = '%s' AND `type` = '%s' LIMIT 1",
1384 intval($contact["uid"]),
1385 intval($contact["id"]),
1386 dbesc(datetime_convert("UTC", "UTC", $birthday)),
1390 if (DBM::is_result($r)) {
1394 logger("updating birthday: ".$birthday." for contact ".$contact["id"]);
1396 $bdtext = sprintf(t("%s\'s birthday"), $contact["name"]);
1397 $bdtext2 = sprintf(t("Happy Birthday %s"), " [url=".$contact["url"]."]".$contact["name"]."[/url]");
1400 "INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`)
1401 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
1402 intval($contact["uid"]),
1403 intval($contact["id"]),
1404 dbesc(datetime_convert()),
1405 dbesc(datetime_convert()),
1406 dbesc(datetime_convert("UTC", "UTC", $birthday)),
1407 dbesc(datetime_convert("UTC", "UTC", $birthday . " + 1 day ")),
1415 * @brief Fetch the author data from head or entry items
1417 * @param object $xpath XPath object
1418 * @param object $context In which context should the data be searched
1419 * @param array $importer Record of the importer user mixed with contact of the content
1420 * @param string $element Element name from which the data is fetched
1421 * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well
1422 * @param string $xml optional, default empty
1424 * @return array Relevant data of the author
1425 * @todo Find good type-hints for all parameter
1427 private static function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "")
1430 $author["name"] = $xpath->evaluate($element."/atom:name/text()", $context)->item(0)->nodeValue;
1431 $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue;
1434 "SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`,
1435 `name`, `nick`, `about`, `location`, `keywords`, `xmpp`, `bdyear`, `bd`, `hidden`, `contact-type`
1436 FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
1437 intval($importer["uid"]),
1438 dbesc(normalise_link($author["link"])),
1439 dbesc(NETWORK_STATUSNET)
1442 if (DBM::is_result($r)) {
1444 $author["contact-id"] = $r[0]["id"];
1445 $author["network"] = $r[0]["network"];
1448 logger("Contact ".$author["link"]." wasn't found for user ".$importer["uid"]." XML: ".$xml, LOGGER_DEBUG);
1451 $author["contact-id"] = $importer["id"];
1452 $author["network"] = $importer["network"];
1456 // Until now we aren't serving different sizes - but maybe later
1458 /// @todo check if "avatar" or "photo" would be the best field in the specification
1459 $avatars = $xpath->query($element."/atom:link[@rel='avatar']", $context);
1460 foreach ($avatars as $avatar) {
1463 foreach ($avatar->attributes as $attributes) {
1464 /// @TODO Rewrite these similar if () to one switch
1465 if ($attributes->name == "href") {
1466 $href = $attributes->textContent;
1468 if ($attributes->name == "width") {
1469 $width = $attributes->textContent;
1471 if ($attributes->name == "updated") {
1472 $contact["avatar-date"] = $attributes->textContent;
1475 if (($width > 0) && ($href != "")) {
1476 $avatarlist[$width] = $href;
1479 if (count($avatarlist) > 0) {
1480 krsort($avatarlist);
1481 $author["avatar"] = current($avatarlist);
1484 if (DBM::is_result($r) && !$onlyfetch) {
1485 logger("Check if contact details for contact " . $r[0]["id"] . " (" . $r[0]["nick"] . ") have to be updated.", LOGGER_DEBUG);
1487 $poco = ["url" => $contact["url"]];
1489 // When was the last change to name or uri?
1490 $name_element = $xpath->query($element . "/atom:name", $context)->item(0);
1491 foreach ($name_element->attributes as $attributes) {
1492 if ($attributes->name == "updated") {
1493 $poco["name-date"] = $attributes->textContent;
1497 $link_element = $xpath->query($element . "/atom:link", $context)->item(0);
1498 foreach ($link_element->attributes as $attributes) {
1499 if ($attributes->name == "updated") {
1500 $poco["uri-date"] = $attributes->textContent;
1504 // Update contact data
1505 $value = $xpath->evaluate($element . "/dfrn:handle/text()", $context)->item(0)->nodeValue;
1507 $poco["addr"] = $value;
1510 $value = $xpath->evaluate($element . "/poco:displayName/text()", $context)->item(0)->nodeValue;
1512 $poco["name"] = $value;
1515 $value = $xpath->evaluate($element . "/poco:preferredUsername/text()", $context)->item(0)->nodeValue;
1517 $poco["nick"] = $value;
1520 $value = $xpath->evaluate($element . "/poco:note/text()", $context)->item(0)->nodeValue;
1522 $poco["about"] = $value;
1525 $value = $xpath->evaluate($element . "/poco:address/poco:formatted/text()", $context)->item(0)->nodeValue;
1527 $poco["location"] = $value;
1530 /// @todo Only search for elements with "poco:type" = "xmpp"
1531 $value = $xpath->evaluate($element . "/poco:ims/poco:value/text()", $context)->item(0)->nodeValue;
1533 $poco["xmpp"] = $value;
1536 /// @todo Add support for the following fields that we don't support by now in the contact table:
1537 /// - poco:utcOffset
1543 // If the "hide" element is present then the profile isn't searchable.
1544 $hide = intval($xpath->evaluate($element . "/dfrn:hide/text()", $context)->item(0)->nodeValue == "true");
1546 logger("Hidden status for contact " . $contact["url"] . ": " . $hide, LOGGER_DEBUG);
1548 // If the contact isn't searchable then set the contact to "hidden".
1549 // Problem: This can be manually overridden by the user.
1551 $contact["hidden"] = true;
1554 // Save the keywords into the contact table
1556 $tagelements = $xpath->evaluate($element . "/poco:tags/text()", $context);
1557 foreach ($tagelements as $tag) {
1558 $tags[$tag->nodeValue] = $tag->nodeValue;
1562 $poco["keywords"] = implode(", ", $tags);
1565 // "dfrn:birthday" contains the birthday converted to UTC
1566 $old_bdyear = $contact["bdyear"];
1568 $birthday = $xpath->evaluate($element . "/dfrn:birthday/text()", $context)->item(0)->nodeValue;
1570 if (strtotime($birthday) > time()) {
1571 $bd_timestamp = strtotime($birthday);
1573 $poco["bdyear"] = date("Y", $bd_timestamp);
1576 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1577 $value = $xpath->evaluate($element . "/poco:birthday/text()", $context)->item(0)->nodeValue;
1579 if (!in_array($value, ["", "0000-00-00", "0001-01-01"])) {
1580 $bdyear = date("Y");
1581 $value = str_replace("0000", $bdyear, $value);
1583 if (strtotime($value) < time()) {
1584 $value = str_replace($bdyear, $bdyear + 1, $value);
1585 $bdyear = $bdyear + 1;
1588 $poco["bd"] = $value;
1591 $contact = array_merge($contact, $poco);
1593 if ($old_bdyear != $contact["bdyear"]) {
1594 self::birthdayEvent($contact, $birthday);
1597 // Get all field names
1599 foreach ($r[0] as $field => $data) {
1600 $fields[$field] = $data;
1603 unset($fields["id"]);
1604 unset($fields["uid"]);
1605 unset($fields["url"]);
1606 unset($fields["avatar-date"]);
1607 unset($fields["name-date"]);
1608 unset($fields["uri-date"]);
1610 // Update check for this field has to be done differently
1611 $datefields = ["name-date", "uri-date"];
1612 foreach ($datefields as $field) {
1613 if (strtotime($contact[$field]) > strtotime($r[0][$field])) {
1614 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1619 foreach ($fields as $field => $data) {
1620 if ($contact[$field] != $r[0][$field]) {
1621 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1627 logger("Update contact data for contact " . $contact["id"] . " (" . $contact["nick"] . ")", LOGGER_DEBUG);
1630 "UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s',
1631 `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s', `hidden` = %d,
1632 `xmpp` = '%s', `name-date` = '%s', `uri-date` = '%s'
1633 WHERE `id` = %d AND `network` = '%s'",
1634 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
1635 dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]),
1636 dbesc($contact["bd"]), intval($contact["hidden"]), dbesc($contact["xmpp"]),
1637 dbesc(DBM::date($contact["name-date"])), dbesc(DBM::date($contact["uri-date"])),
1638 intval($contact["id"]), dbesc($contact["network"])
1642 Contact::updateAvatar(
1646 (strtotime($contact["avatar-date"]) > strtotime($r[0]["avatar-date"]))
1650 * The generation is a sign for the reliability of the provided data.
1651 * It is used in the socgraph.php to prevent that old contact data
1652 * that was relayed over several servers can overwrite contact
1653 * data that we received directly.
1656 $poco["generation"] = 2;
1657 $poco["photo"] = $author["avatar"];
1658 $poco["hide"] = $hide;
1659 $poco["contact-type"] = $contact["contact-type"];
1660 $gcid = GContact::update($poco);
1662 GContact::link($gcid, $importer["uid"], $contact["id"]);
1669 * @brief Transforms activity objects into an XML string
1671 * @param object $xpath XPath object
1672 * @param object $activity Activity object
1673 * @param string $element element name
1675 * @return string XML string
1676 * @todo Find good type-hints for all parameter
1678 private static function transformActivity($xpath, $activity, $element)
1680 if (!is_object($activity)) {
1684 $obj_doc = new DOMDocument("1.0", "utf-8");
1685 $obj_doc->formatOutput = true;
1687 $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element);
1689 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1690 XML::addElement($obj_doc, $obj_element, "type", $activity_type);
1692 $id = $xpath->query("atom:id", $activity)->item(0);
1693 if (is_object($id)) {
1694 $obj_element->appendChild($obj_doc->importNode($id, true));
1697 $title = $xpath->query("atom:title", $activity)->item(0);
1698 if (is_object($title)) {
1699 $obj_element->appendChild($obj_doc->importNode($title, true));
1702 $links = $xpath->query("atom:link", $activity);
1703 if (is_object($links)) {
1704 foreach ($links as $link) {
1705 $obj_element->appendChild($obj_doc->importNode($link, true));
1709 $content = $xpath->query("atom:content", $activity)->item(0);
1710 if (is_object($content)) {
1711 $obj_element->appendChild($obj_doc->importNode($content, true));
1714 $obj_doc->appendChild($obj_element);
1716 $objxml = $obj_doc->saveXML($obj_element);
1718 /// @todo This isn't totally clean. We should find a way to transform the namespaces
1719 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1724 * @brief Processes the mail elements
1726 * @param object $xpath XPath object
1727 * @param object $mail mail elements
1728 * @param array $importer Record of the importer user mixed with contact of the content
1730 * @todo Find good type-hints for all parameter
1732 private static function processMail($xpath, $mail, $importer)
1734 logger("Processing mails");
1736 /// @TODO Rewrite this to one statement
1738 $msg["uid"] = $importer["importer_uid"];
1739 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1740 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1741 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1742 $msg["contact-id"] = $importer["id"];
1743 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1744 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1745 $msg["created"] = $xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue;
1746 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1747 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1749 $msg["replied"] = 0;
1751 dba::insert('mail', $msg);
1753 // send notifications.
1754 /// @TODO Arange this mess
1756 "type" => NOTIFY_MAIL,
1757 "notify_flags" => $importer["notify-flags"],
1758 "language" => $importer["language"],
1759 "to_name" => $importer["username"],
1760 "to_email" => $importer["email"],
1761 "uid" => $importer["importer_uid"],
1763 "source_name" => $msg["from-name"],
1764 "source_link" => $importer["url"],
1765 "source_photo" => $importer["thumb"],
1766 "verb" => ACTIVITY_POST,
1770 notification($notif_params);
1772 logger("Mail is processed, notification was sent.");
1776 * @brief Processes the suggestion elements
1778 * @param object $xpath XPath object
1779 * @param object $suggestion suggestion elements
1780 * @param array $importer Record of the importer user mixed with contact of the content
1782 * @todo Find good type-hints for all parameter
1784 private static function processSuggestion($xpath, $suggestion, $importer)
1788 logger("Processing suggestions");
1790 /// @TODO Rewrite this to one statement
1792 $suggest["uid"] = $importer["importer_uid"];
1793 $suggest["cid"] = $importer["id"];
1794 $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue;
1795 $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue;
1796 $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue;
1797 $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue;
1798 $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue;
1800 // Does our member already have a friend matching this description?
1803 "SELECT `id` FROM `contact` WHERE `name` = '%s' AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
1804 dbesc($suggest["name"]),
1805 dbesc(normalise_link($suggest["url"])),
1806 intval($suggest["uid"])
1810 * The valid result means the friend we're about to send a friend
1811 * suggestion already has them in their contact, which means no further
1812 * action is required.
1814 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1816 if (DBM::is_result($r)) {
1820 // Do we already have an fcontact record for this person?
1824 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1825 dbesc($suggest["url"]),
1826 dbesc($suggest["name"]),
1827 dbesc($suggest["request"])
1829 if (DBM::is_result($r)) {
1832 // OK, we do. Do we already have an introduction for this person ?
1834 "SELECT `id` FROM `intro` WHERE `uid` = %d AND `fid` = %d LIMIT 1",
1835 intval($suggest["uid"]),
1840 * The valid result means the friend we're about to send a friend
1841 * suggestion already has them in their contact, which means no further
1842 * action is required.
1844 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1846 if (DBM::is_result($r)) {
1852 "INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')",
1853 dbesc($suggest["name"]),
1854 dbesc($suggest["url"]),
1855 dbesc($suggest["photo"]),
1856 dbesc($suggest["request"])
1860 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1861 dbesc($suggest["url"]),
1862 dbesc($suggest["name"]),
1863 dbesc($suggest["request"])
1867 * If no record in fcontact is found, below INSERT statement will not
1868 * link an introduction to it.
1870 if (!DBM::is_result($r)) {
1871 // database record did not get created. Quietly give up.
1877 $hash = random_string();
1880 "INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`)
1881 VALUES(%d, %d, %d, '%s', '%s', '%s', %d)",
1882 intval($suggest["uid"]),
1884 intval($suggest["cid"]),
1885 dbesc($suggest["body"]),
1887 dbesc(datetime_convert()),
1893 "type" => NOTIFY_SUGGEST,
1894 "notify_flags" => $importer["notify-flags"],
1895 "language" => $importer["language"],
1896 "to_name" => $importer["username"],
1897 "to_email" => $importer["email"],
1898 "uid" => $importer["importer_uid"],
1900 "link" => System::baseUrl()."/notifications/intros",
1901 "source_name" => $importer["name"],
1902 "source_link" => $importer["url"],
1903 "source_photo" => $importer["photo"],
1904 "verb" => ACTIVITY_REQ_FRIEND,
1912 * @brief Processes the relocation elements
1914 * @param object $xpath XPath object
1915 * @param object $relocation relocation elements
1916 * @param array $importer Record of the importer user mixed with contact of the content
1918 * @todo Find good type-hints for all parameter
1920 private static function processRelocation($xpath, $relocation, $importer)
1922 logger("Processing relocations");
1924 /// @TODO Rewrite this to one statement
1926 $relocate["uid"] = $importer["importer_uid"];
1927 $relocate["cid"] = $importer["id"];
1928 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1929 $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue;
1930 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1931 $relocate["avatar"] = $xpath->query("dfrn:avatar/text()", $relocation)->item(0)->nodeValue;
1932 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1933 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1934 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1935 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1936 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1937 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1938 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1939 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1941 if (($relocate["avatar"] == "") && ($relocate["photo"] != "")) {
1942 $relocate["avatar"] = $relocate["photo"];
1945 if ($relocate["addr"] == "") {
1946 $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]);
1951 "SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;",
1952 intval($importer["id"]),
1953 intval($importer["importer_uid"])
1956 if (!DBM::is_result($r)) {
1957 logger("Query failed to execute, no result returned in " . __FUNCTION__);
1963 // Update the gcontact entry
1964 $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]);
1967 "UPDATE `gcontact` SET
1976 WHERE `nurl` = '%s';",
1977 dbesc($relocate["name"]),
1978 dbesc($relocate["avatar"]),
1979 dbesc($relocate["url"]),
1980 dbesc(normalise_link($relocate["url"])),
1981 dbesc($relocate["addr"]),
1982 dbesc($relocate["addr"]),
1983 dbesc($relocate["notify"]),
1984 dbesc($relocate["server_url"]),
1985 dbesc(normalise_link($old["url"]))
1988 // Update the contact table. We try to find every entry.
1990 "UPDATE `contact` SET
2000 `site-pubkey` = '%s'
2001 WHERE (`id` = %d AND `uid` = %d) OR (`nurl` = '%s');",
2002 dbesc($relocate["name"]),
2003 dbesc($relocate["avatar"]),
2004 dbesc($relocate["url"]),
2005 dbesc(normalise_link($relocate["url"])),
2006 dbesc($relocate["addr"]),
2007 dbesc($relocate["request"]),
2008 dbesc($relocate["confirm"]),
2009 dbesc($relocate["notify"]),
2010 dbesc($relocate["poll"]),
2011 dbesc($relocate["sitepubkey"]),
2012 intval($importer["id"]),
2013 intval($importer["importer_uid"]),
2014 dbesc(normalise_link($old["url"]))
2017 Contact::updateAvatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true);
2024 /// @todo This is an extreme performance killer
2026 'owner-link' => [$old["url"], $relocate["url"]],
2027 'author-link' => [$old["url"], $relocate["url"]],
2028 //'owner-avatar' => array($old["photo"], $relocate["photo"]),
2029 //'author-avatar' => array($old["photo"], $relocate["photo"]),
2031 foreach ($fields as $n => $f) {
2033 "SELECT `id` FROM `item` WHERE `%s` = '%s' AND `uid` = %d LIMIT 1",
2036 intval($importer["importer_uid"])
2039 if (DBM::is_result($r)) {
2041 "UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
2046 intval($importer["importer_uid"])
2056 /// merge with current record, current contents have priority
2057 /// update record, set url-updated
2058 /// update profile photos
2059 /// schedule a scan?
2064 * @brief Updates an item
2066 * @param array $current the current item record
2067 * @param array $item the new item record
2068 * @param array $importer Record of the importer user mixed with contact of the content
2069 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2071 * @todo set proper type-hints (array?)
2073 private static function updateContent($current, $item, $importer, $entrytype)
2077 if (edited_timestamp_is_newer($current, $item)) {
2078 // do not accept (ignore) an earlier edit than one we currently have.
2079 if (datetime_convert("UTC", "UTC", $item["edited"]) < $current["edited"]) {
2083 $fields = ['title' => $item["title"], 'body' => $item["body"],
2084 'tag' => $item["tag"], 'changed' => datetime_convert(),
2085 'edited' => datetime_convert("UTC", "UTC", $item["edited"])];
2087 $condition = ["`uri` = ? AND `uid` IN (0, ?)", $item["uri"], $importer["importer_uid"]];
2088 dba::update('item', $fields, $condition);
2090 create_tags_from_itemuri($item["uri"], $importer["importer_uid"]);
2091 update_thread_uri($item["uri"], $importer["importer_uid"]);
2095 if ($entrytype == DFRN_REPLY_RC) {
2096 Worker::add(PRIORITY_HIGH, "Notifier", "comment-import", $current["id"]);
2103 * @brief Detects the entry type of the item
2105 * @param array $importer Record of the importer user mixed with contact of the content
2106 * @param array $item the new item record
2108 * @return int Is it a toplevel entry, a comment or a relayed comment?
2109 * @todo set proper type-hints (array?)
2111 private static function getEntryType($importer, $item)
2113 if ($item["parent-uri"] != $item["uri"]) {
2116 if ($importer["page-flags"] == PAGE_COMMUNITY || $importer["page-flags"] == PAGE_PRVGROUP) {
2119 logger("possible community action");
2121 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
2124 // was the top-level post for this action written by somebody on this site?
2125 // Specifically, the recipient?
2127 $is_a_remote_action = false;
2130 "SELECT `item`.`parent-uri` FROM `item`
2131 WHERE `item`.`uri` = '%s'
2133 dbesc($item["parent-uri"])
2135 if (DBM::is_result($r)) {
2137 "SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
2138 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
2139 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
2140 AND `item`.`uid` = %d
2143 dbesc($r[0]["parent-uri"]),
2144 dbesc($r[0]["parent-uri"]),
2145 dbesc($r[0]["parent-uri"]),
2146 intval($importer["importer_uid"])
2148 if (DBM::is_result($r)) {
2149 $is_a_remote_action = true;
2154 * Does this have the characteristics of a community or private group action?
2155 * If it's an action to a wall post on a community/prvgroup page it's a
2156 * valid community action. Also forum_mode makes it valid for sure.
2157 * If neither, it's not.
2159 if ($is_a_remote_action && $community && (!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
2160 $is_a_remote_action = false;
2161 logger("not a community action");
2164 if ($is_a_remote_action) {
2165 return DFRN_REPLY_RC;
2170 return DFRN_TOP_LEVEL;
2175 * @brief Send a "poke"
2177 * @param array $item the new item record
2178 * @param array $importer Record of the importer user mixed with contact of the content
2179 * @param int $posted_id The record number of item record that was just posted
2181 * @todo set proper type-hints (array?)
2183 private static function doPoke($item, $importer, $posted_id)
2185 $verb = urldecode(substr($item["verb"], strpos($item["verb"], "#")+1));
2189 $xo = parse_xml_string($item["object"], false);
2191 if (($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) {
2192 // somebody was poked/prodded. Was it me?
2193 foreach ($xo->link as $l) {
2194 $atts = $l->attributes();
2195 switch ($atts["rel"]) {
2197 $Blink = $atts["href"];
2204 if ($Blink && link_compare($Blink, System::baseUrl() . "/profile/" . $importer["nickname"])) {
2205 // send a notification
2208 "type" => NOTIFY_POKE,
2209 "notify_flags" => $importer["notify-flags"],
2210 "language" => $importer["language"],
2211 "to_name" => $importer["username"],
2212 "to_email" => $importer["email"],
2213 "uid" => $importer["importer_uid"],
2215 "link" => System::baseUrl()."/display/".urlencode(get_item_guid($posted_id)),
2216 "source_name" => stripslashes($item["author-name"]),
2217 "source_link" => $item["author-link"],
2218 "source_photo" => ((link_compare($item["author-link"], $importer["url"]))
2219 ? $importer["thumb"] : $item["author-avatar"]),
2220 "verb" => $item["verb"],
2221 "otype" => "person",
2222 "activity" => $verb,
2223 "parent" => $item["parent"]]
2230 * @brief Processes several actions, depending on the verb
2232 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2233 * @param array $importer Record of the importer user mixed with contact of the content
2234 * @param array $item the new item record
2235 * @param bool $is_like Is the verb a "like"?
2237 * @return bool Should the processing of the entries be continued?
2238 * @todo set proper type-hints (array?)
2240 private static function processVerbs($entrytype, $importer, &$item, &$is_like)
2242 logger("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, LOGGER_DEBUG);
2244 if (($entrytype == DFRN_TOP_LEVEL)) {
2245 // The filling of the the "contact" variable is done for legcy reasons
2246 // The functions below are partly used by ostatus.php as well - where we have this variable
2247 $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"]));
2249 $nickname = $contact["nick"];
2251 // Big question: Do we need these functions? They were part of the "consume_feed" function.
2252 // This function once was responsible for DFRN and OStatus.
2253 if (activity_match($item["verb"], ACTIVITY_FOLLOW)) {
2254 logger("New follower");
2255 new_follower($importer, $contact, $item, $nickname);
2258 if (activity_match($item["verb"], ACTIVITY_UNFOLLOW)) {
2259 logger("Lost follower");
2260 lose_follower($importer, $contact, $item);
2263 if (activity_match($item["verb"], ACTIVITY_REQ_FRIEND)) {
2264 logger("New friend request");
2265 new_follower($importer, $contact, $item, $nickname, true);
2268 if (activity_match($item["verb"], ACTIVITY_UNFRIEND)) {
2269 logger("Lost sharer");
2270 lose_sharer($importer, $contact, $item);
2274 if (($item["verb"] == ACTIVITY_LIKE)
2275 || ($item["verb"] == ACTIVITY_DISLIKE)
2276 || ($item["verb"] == ACTIVITY_ATTEND)
2277 || ($item["verb"] == ACTIVITY_ATTENDNO)
2278 || ($item["verb"] == ACTIVITY_ATTENDMAYBE)
2281 $item["type"] = "activity";
2282 $item["gravity"] = GRAVITY_LIKE;
2283 // only one like or dislike per person
2284 // splitted into two queries for performance issues
2286 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `parent-uri` = '%s' AND NOT `deleted` LIMIT 1",
2287 intval($item["uid"]),
2288 dbesc($item["author-link"]),
2289 dbesc($item["verb"]),
2290 dbesc($item["parent-uri"])
2292 if (DBM::is_result($r)) {
2297 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `thr-parent` = '%s' AND NOT `deleted` LIMIT 1",
2298 intval($item["uid"]),
2299 dbesc($item["author-link"]),
2300 dbesc($item["verb"]),
2301 dbesc($item["parent-uri"])
2303 if (DBM::is_result($r)) {
2310 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2311 $xo = parse_xml_string($item["object"], false);
2312 $xt = parse_xml_string($item["target"], false);
2314 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2316 "SELECT `id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2318 intval($importer["importer_uid"])
2321 if (!DBM::is_result($r)) {
2322 logger("Query failed to execute, no result returned in " . __FUNCTION__);
2326 // extract tag, if not duplicate, add to parent item
2328 if (!(stristr($r[0]["tag"], trim($xo->content)))) {
2330 "UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2331 dbesc($r[0]["tag"] . (strlen($r[0]["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]'),
2334 create_tags_from_item($r[0]["id"]);
2344 * @brief Processes the link elements
2346 * @param object $links link elements
2347 * @param array $item the item record
2349 * @todo set proper type-hints
2351 private static function parseLinks($links, &$item)
2358 foreach ($links as $link) {
2359 foreach ($link->attributes as $attributes) {
2360 switch ($attributes->name) {
2361 case "href" : $href = $attributes->textContent; break;
2362 case "rel" : $rel = $attributes->textContent; break;
2363 case "type" : $type = $attributes->textContent; break;
2364 case "length": $length = $attributes->textContent; break;
2365 case "title" : $title = $attributes->textContent; break;
2368 if (($rel != "") && ($href != "")) {
2371 $item["plink"] = $href;
2375 if (strlen($item["attach"])) {
2376 $item["attach"] .= ",";
2379 $item["attach"] .= '[attach]href="' . $href . '" length="' . $length . '" type="' . $type . '" title="' . $title . '"[/attach]';
2387 * @brief Processes the entry elements which contain the items and comments
2389 * @param array $header Array of the header elements that always stay the same
2390 * @param object $xpath XPath object
2391 * @param object $entry entry elements
2392 * @param array $importer Record of the importer user mixed with contact of the content
2393 * @param object $xml xml
2395 * @todo Add type-hints
2397 private static function processEntry($header, $xpath, $entry, $importer, $xml)
2399 logger("Processing entries");
2403 $item["protocol"] = PROTOCOL_DFRN;
2405 $item["source"] = $xml;
2408 $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue;
2410 $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue;
2413 "SELECT `id`, `uid`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2414 dbesc($item["uri"]),
2415 intval($importer["importer_uid"])
2418 // Is there an existing item?
2419 if (DBM::is_result($current) && edited_timestamp_is_newer($current[0], $item)
2420 && (datetime_convert("UTC", "UTC", $item["edited"]) < $current[0]["edited"])
2422 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2427 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true);
2429 $item["owner-name"] = $owner["name"];
2430 $item["owner-link"] = $owner["link"];
2431 $item["owner-avatar"] = $owner["avatar"];
2434 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true);
2436 $item["author-name"] = $author["name"];
2437 $item["author-link"] = $author["link"];
2438 $item["author-avatar"] = $author["avatar"];
2440 $item["title"] = $xpath->query("atom:title/text()", $entry)->item(0)->nodeValue;
2442 $item["created"] = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2444 $item["body"] = $xpath->query("dfrn:env/text()", $entry)->item(0)->nodeValue;
2445 $item["body"] = str_replace([' ',"\t","\r","\n"], ['','','',''], $item["body"]);
2446 // make sure nobody is trying to sneak some html tags by us
2447 $item["body"] = notags(base64url_decode($item["body"]));
2449 $item["body"] = limit_body_size($item["body"]);
2451 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
2452 if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) {
2453 $base_url = get_app()->get_baseurl();
2454 $item['body'] = reltoabs($item['body'], $base_url);
2456 $item['body'] = html2bb_video($item['body']);
2458 $item['body'] = OEmbed::HTML2BBCode($item['body']);
2460 $config = HTMLPurifier_Config::createDefault();
2461 $config->set('Cache.DefinitionImpl', null);
2463 // we shouldn't need a whitelist, because the bbcode converter
2464 // will strip out any unsupported tags.
2466 $purifier = new HTMLPurifier($config);
2467 $item['body'] = $purifier->purify($item['body']);
2469 $item['body'] = @html2bbcode($item['body']);
2472 /// @todo We should check for a repeated post and if we know the repeated author.
2474 // We don't need the content element since "dfrn:env" is always present
2475 //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue;
2477 $item["location"] = $xpath->query("dfrn:location/text()", $entry)->item(0)->nodeValue;
2479 $georsspoint = $xpath->query("georss:point", $entry);
2481 $item["coord"] = $georsspoint->item(0)->nodeValue;
2484 $item["private"] = $xpath->query("dfrn:private/text()", $entry)->item(0)->nodeValue;
2486 $item["extid"] = $xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue;
2488 if ($xpath->query("dfrn:bookmark/text()", $entry)->item(0)->nodeValue == "true") {
2489 $item["bookmark"] = true;
2492 $notice_info = $xpath->query("statusnet:notice_info", $entry);
2493 if ($notice_info && ($notice_info->length > 0)) {
2494 foreach ($notice_info->item(0)->attributes as $attributes) {
2495 if ($attributes->name == "source") {
2496 $item["app"] = strip_tags($attributes->textContent);
2501 $item["guid"] = $xpath->query("dfrn:diaspora_guid/text()", $entry)->item(0)->nodeValue;
2503 // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "item_store"
2504 $dsprsig = unxmlify($xpath->query("dfrn:diaspora_signature/text()", $entry)->item(0)->nodeValue);
2505 if ($dsprsig != "") {
2506 $item["dsprsig"] = $dsprsig;
2509 $item["verb"] = $xpath->query("activity:verb/text()", $entry)->item(0)->nodeValue;
2511 if ($xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue != "") {
2512 $item["object-type"] = $xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue;
2515 $object = $xpath->query("activity:object", $entry)->item(0);
2516 $item["object"] = self::transformActivity($xpath, $object, "object");
2518 if (trim($item["object"]) != "") {
2519 $r = parse_xml_string($item["object"], false);
2520 if (isset($r->type)) {
2521 $item["object-type"] = $r->type;
2525 $target = $xpath->query("activity:target", $entry)->item(0);
2526 $item["target"] = self::transformActivity($xpath, $target, "target");
2528 $categories = $xpath->query("atom:category", $entry);
2530 foreach ($categories as $category) {
2533 foreach ($category->attributes as $attributes) {
2534 if ($attributes->name == "term") {
2535 $term = $attributes->textContent;
2538 if ($attributes->name == "scheme") {
2539 $scheme = $attributes->textContent;
2543 if (($term != "") && ($scheme != "")) {
2544 $parts = explode(":", $scheme);
2545 if ((count($parts) >= 4) && (array_shift($parts) == "X-DFRN")) {
2546 $termhash = array_shift($parts);
2547 $termurl = implode(":", $parts);
2549 if (strlen($item["tag"])) {
2550 $item["tag"] .= ",";
2553 $item["tag"] .= $termhash . "[url=" . $termurl . "]" . $term . "[/url]";
2561 $links = $xpath->query("atom:link", $entry);
2563 self::parseLinks($links, $item);
2566 $item['conversation-uri'] = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
2568 $conv = $xpath->query('ostatus:conversation', $entry);
2569 if (is_object($conv->item(0))) {
2570 foreach ($conv->item(0)->attributes as $attributes) {
2571 if ($attributes->name == "ref") {
2572 $item['conversation-uri'] = $attributes->textContent;
2574 if ($attributes->name == "href") {
2575 $item['conversation-href'] = $attributes->textContent;
2580 // Is it a reply or a top level posting?
2581 $item["parent-uri"] = $item["uri"];
2583 $inreplyto = $xpath->query("thr:in-reply-to", $entry);
2584 if (is_object($inreplyto->item(0))) {
2585 foreach ($inreplyto->item(0)->attributes as $attributes) {
2586 if ($attributes->name == "ref") {
2587 $item["parent-uri"] = $attributes->textContent;
2592 // Get the type of the item (Top level post, reply or remote reply)
2593 $entrytype = self::getEntryType($importer, $item);
2595 // Now assign the rest of the values that depend on the type of the message
2596 if (in_array($entrytype, [DFRN_REPLY, DFRN_REPLY_RC])) {
2597 if (!isset($item["object-type"])) {
2598 $item["object-type"] = ACTIVITY_OBJ_COMMENT;
2601 if ($item["contact-id"] != $owner["contact-id"]) {
2602 $item["contact-id"] = $owner["contact-id"];
2605 if (($item["network"] != $owner["network"]) && ($owner["network"] != "")) {
2606 $item["network"] = $owner["network"];
2609 if ($item["contact-id"] != $author["contact-id"]) {
2610 $item["contact-id"] = $author["contact-id"];
2613 if (($item["network"] != $author["network"]) && ($author["network"] != "")) {
2614 $item["network"] = $author["network"];
2618 if ($entrytype == DFRN_REPLY_RC) {
2619 $item["type"] = "remote-comment";
2621 } elseif ($entrytype == DFRN_TOP_LEVEL) {
2622 if (!isset($item["object-type"])) {
2623 $item["object-type"] = ACTIVITY_OBJ_NOTE;
2627 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2628 logger("Item ".$item["uri"]." seems to contain an event.", LOGGER_DEBUG);
2629 $ev = bbtoevent($item["body"]);
2630 if ((x($ev, "desc") || x($ev, "summary")) && x($ev, "start")) {
2631 logger("Event in item ".$item["uri"]." was found.", LOGGER_DEBUG);
2632 $ev["cid"] = $importer["id"];
2633 $ev["uid"] = $importer["uid"];
2634 $ev["uri"] = $item["uri"];
2635 $ev["edited"] = $item["edited"];
2636 $ev["private"] = $item["private"];
2637 $ev["guid"] = $item["guid"];
2640 "SELECT `id` FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2641 dbesc($item["uri"]),
2642 intval($importer["uid"])
2644 if (DBM::is_result($r)) {
2645 $ev["id"] = $r[0]["id"];
2648 $event_id = event_store($ev);
2649 logger("Event ".$event_id." was stored", LOGGER_DEBUG);
2655 if (!self::processVerbs($entrytype, $importer, $item, $is_like)) {
2656 logger("Exiting because 'processVerbs' told us so", LOGGER_DEBUG);
2660 // Update content if 'updated' changes
2661 if (DBM::is_result($current)) {
2662 if (self::updateContent($r[0], $item, $importer, $entrytype)) {
2663 logger("Item ".$item["uri"]." was updated.", LOGGER_DEBUG);
2665 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2670 if (in_array($entrytype, [DFRN_REPLY, DFRN_REPLY_RC])) {
2671 $posted_id = item_store($item);
2675 logger("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, LOGGER_DEBUG);
2677 $item["id"] = $posted_id;
2680 "SELECT `parent`, `parent-uri` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
2682 intval($importer["importer_uid"])
2684 if (DBM::is_result($r)) {
2685 $parent = $r[0]["parent"];
2686 $parent_uri = $r[0]["parent-uri"];
2689 if ($posted_id && $parent && ($entrytype == DFRN_REPLY_RC)) {
2690 logger("Notifying followers about comment ".$posted_id, LOGGER_DEBUG);
2691 Worker::add(PRIORITY_HIGH, "Notifier", "comment-import", $posted_id);
2696 } else { // $entrytype == DFRN_TOP_LEVEL
2697 if (!link_compare($item["owner-link"], $importer["url"])) {
2699 * The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
2700 * but otherwise there's a possible data mixup on the sender's system.
2701 * the tgroup delivery code called from item_store will correct it if it's a forum,
2702 * but we're going to unconditionally correct it here so that the post will always be owned by our contact.
2704 logger('Correcting item owner.', LOGGER_DEBUG);
2705 $item["owner-name"] = $importer["senderName"];
2706 $item["owner-link"] = $importer["url"];
2707 $item["owner-avatar"] = $importer["thumb"];
2710 if (($importer["rel"] == CONTACT_IS_FOLLOWER) && (!tgroup_check($importer["importer_uid"], $item))) {
2711 logger("Contact ".$importer["id"]." is only follower and tgroup check was negative.", LOGGER_DEBUG);
2715 // This is my contact on another system, but it's really me.
2716 // Turn this into a wall post.
2717 $notify = item_is_remote_self($importer, $item);
2719 $posted_id = item_store($item, false, $notify);
2721 logger("Item was stored with id ".$posted_id, LOGGER_DEBUG);
2723 if (stristr($item["verb"], ACTIVITY_POKE)) {
2724 self::doPoke($item, $importer, $posted_id);
2730 * @brief Deletes items
2732 * @param object $xpath XPath object
2733 * @param object $deletion deletion elements
2734 * @param array $importer Record of the importer user mixed with contact of the content
2736 * @todo set proper type-hints
2738 private static function processDeletion($xpath, $deletion, $importer)
2740 logger("Processing deletions");
2742 foreach ($deletion->attributes as $attributes) {
2743 if ($attributes->name == "ref") {
2744 $uri = $attributes->textContent;
2746 if ($attributes->name == "when") {
2747 $when = $attributes->textContent;
2751 $when = datetime_convert("UTC", "UTC", $when, "Y-m-d H:i:s");
2753 $when = datetime_convert("UTC", "UTC", "now", "Y-m-d H:i:s");
2756 if (!$uri || !$importer["id"]) {
2760 /// @todo Only select the used fields
2762 "SELECT `item`.*, `contact`.`self` FROM `item` INNER JOIN `contact` on `item`.`contact-id` = `contact`.`id`
2763 WHERE `uri` = '%s' AND `item`.`uid` = %d AND `contact-id` = %d AND NOT `item`.`file` LIKE '%%[%%' LIMIT 1",
2765 intval($importer["uid"]),
2766 intval($importer["id"])
2768 if (!DBM::is_result($r)) {
2769 logger("Item with uri " . $uri . " from contact " . $importer["id"] . " for user " . $importer["uid"] . " wasn't found.", LOGGER_DEBUG);
2774 $entrytype = self::getEntryType($importer, $item);
2776 if (!$item["deleted"]) {
2777 logger('deleting item '.$item["id"].' uri='.$uri, LOGGER_DEBUG);
2782 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2783 logger("Deleting event ".$item["event-id"], LOGGER_DEBUG);
2784 event_delete($item["event-id"]);
2787 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2788 $xo = parse_xml_string($item["object"], false);
2789 $xt = parse_xml_string($item["target"], false);
2791 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2793 "SELECT `id`, `contact-id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2795 intval($importer["importer_uid"])
2797 if (DBM::is_result($i)) {
2798 // For tags, the owner cannot remove the tag on the author's copy of the post.
2800 $owner_remove = (($item["contact-id"] == $i[0]["contact-id"]) ? true: false);
2801 $author_remove = (($item["origin"] && $item["self"]) ? true : false);
2802 $author_copy = (($item["origin"]) ? true : false);
2804 if ($owner_remove && $author_copy) {
2807 if ($author_remove || $owner_remove) {
2808 $tags = explode(',', $i[0]["tag"]);
2811 foreach ($tags as $tag) {
2812 if (trim($tag) !== trim($xo->body)) {
2813 $newtags[] = trim($tag);
2818 "UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2819 dbesc(implode(',', $newtags)),
2822 create_tags_from_item($i[0]["id"]);
2828 if ($entrytype == DFRN_TOP_LEVEL) {
2830 "UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2831 `body` = '', `title` = ''
2832 WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2834 dbesc(datetime_convert()),
2836 intval($importer["uid"])
2838 create_tags_from_itemuri($uri, $importer["uid"]);
2839 Term::createFromItemURI($uri, $importer["uid"]);
2840 update_thread_uri($uri, $importer["uid"]);
2843 "UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2844 `body` = '', `title` = ''
2845 WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2847 dbesc(datetime_convert()),
2849 intval($importer["uid"])
2851 create_tags_from_itemuri($uri, $importer["uid"]);
2852 Term::createFromItemURI($uri, $importer["uid"]);
2853 update_thread_uri($uri, $importer["importer_uid"]);
2855 // if this is a relayed delete, propagate it to other recipients
2857 if ($entrytype == DFRN_REPLY_RC) {
2858 logger("Notifying followers about deletion of post " . $item["id"], LOGGER_DEBUG);
2859 Worker::add(PRIORITY_HIGH, "Notifier", "drop", $item["id"]);
2866 * @brief Imports a DFRN message
2868 * @param string $xml The DFRN message
2869 * @param array $importer Record of the importer user mixed with contact of the content
2870 * @param bool $sort_by_date Is used when feeds are polled
2871 * @return integer Import status
2872 * @todo set proper type-hints
2874 public static function import($xml, $importer, $sort_by_date = false)
2880 $doc = new DOMDocument();
2881 @$doc->loadXML($xml);
2883 $xpath = new DOMXPath($doc);
2884 $xpath->registerNamespace("atom", NAMESPACE_ATOM1);
2885 $xpath->registerNamespace("thr", NAMESPACE_THREAD);
2886 $xpath->registerNamespace("at", NAMESPACE_TOMB);
2887 $xpath->registerNamespace("media", NAMESPACE_MEDIA);
2888 $xpath->registerNamespace("dfrn", NAMESPACE_DFRN);
2889 $xpath->registerNamespace("activity", NAMESPACE_ACTIVITY);
2890 $xpath->registerNamespace("georss", NAMESPACE_GEORSS);
2891 $xpath->registerNamespace("poco", NAMESPACE_POCO);
2892 $xpath->registerNamespace("ostatus", NAMESPACE_OSTATUS);
2893 $xpath->registerNamespace("statusnet", NAMESPACE_STATUSNET);
2896 $header["uid"] = $importer["uid"];
2897 $header["network"] = NETWORK_DFRN;
2898 $header["type"] = "remote";
2899 $header["wall"] = 0;
2900 $header["origin"] = 0;
2901 $header["contact-id"] = $importer["id"];
2903 // Update the contact table if the data has changed
2905 // The "atom:author" is only present in feeds
2906 if ($xpath->query("/atom:feed/atom:author")->length > 0) {
2907 self::fetchauthor($xpath, $doc->firstChild, $importer, "atom:author", false, $xml);
2910 // Only the "dfrn:owner" in the head section contains all data
2911 if ($xpath->query("/atom:feed/dfrn:owner")->length > 0) {
2912 self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false, $xml);
2915 logger("Import DFRN message for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);
2917 // The account type is new since 3.5.1
2918 if ($xpath->query("/atom:feed/dfrn:account_type")->length > 0) {
2919 $accounttype = intval($xpath->evaluate("/atom:feed/dfrn:account_type/text()")->item(0)->nodeValue);
2921 if ($accounttype != $importer["contact-type"]) {
2922 dba::update('contact', ['contact-type' => $accounttype], ['id' => $importer["id"]]);
2926 // is it a public forum? Private forums aren't supported with this method
2927 // This is deprecated since 3.5.1
2928 $forum = intval($xpath->evaluate("/atom:feed/dfrn:community/text()")->item(0)->nodeValue);
2930 if ($forum != $importer["forum"]) {
2931 $condition = ['`forum` != ? AND `id` = ?', $forum, $importer["id"]];
2932 dba::update('contact', ['forum' => $forum], $condition);
2935 // We are processing relocations even if we are ignoring a contact
2936 $relocations = $xpath->query("/atom:feed/dfrn:relocate");
2937 foreach ($relocations as $relocation) {
2938 self::processRelocation($xpath, $relocation, $importer);
2941 if ($importer["readonly"]) {
2942 // We aren't receiving stuff from this person. But we will quietly ignore them
2943 // rather than a blatant "go away" message.
2944 logger('ignoring contact '.$importer["id"]);
2948 $mails = $xpath->query("/atom:feed/dfrn:mail");
2949 foreach ($mails as $mail) {
2950 self::processMail($xpath, $mail, $importer);
2953 $suggestions = $xpath->query("/atom:feed/dfrn:suggest");
2954 foreach ($suggestions as $suggestion) {
2955 self::processSuggestion($xpath, $suggestion, $importer);
2958 $deletions = $xpath->query("/atom:feed/at:deleted-entry");
2959 foreach ($deletions as $deletion) {
2960 self::processDeletion($xpath, $deletion, $importer);
2963 if (!$sort_by_date) {
2964 $entries = $xpath->query("/atom:feed/atom:entry");
2965 foreach ($entries as $entry) {
2966 self::processEntry($header, $xpath, $entry, $importer, $xml);
2970 $entries = $xpath->query("/atom:feed/atom:entry");
2971 foreach ($entries as $entry) {
2972 $created = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2973 $newentries[strtotime($created)] = $entry;
2976 // Now sort after the publishing date
2979 foreach ($newentries as $entry) {
2980 self::processEntry($header, $xpath, $entry, $importer, $xml);
2983 logger("Import done for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);
2989 * @param string $contact_nick contact nickname
2991 public static function autoRedir(App $a, $contact_nick)
2994 if (x($_REQUEST, 'redir') && intval($_REQUEST['redir'])) {
2998 if ((! $contact_nick) || ($contact_nick === $a->user['nickname'])) {
3003 // We need to find out if $contact_nick is a user on this hub, and if so, if I
3004 // am a contact of that user. However, that user may have other contacts with the
3005 // same nickname as me on other hubs or other networks. Exclude these by requiring
3006 // that the contact have a local URL. I will be the only person with my nickname at
3007 // this URL, so if a result is found, then I am a contact of the $contact_nick user.
3009 // We also have to make sure that I'm a legitimate contact--I'm not blocked or pending.
3011 $baseurl = System::baseUrl();
3012 $domain_st = strpos($baseurl, "://");
3013 if ($domain_st === false) {
3016 $baseurl = substr($baseurl, $domain_st + 3);
3017 $nurl = normalise_link($baseurl);
3019 /// @todo Why is there a query for "url" *and* "nurl"? Especially this normalising is strange.
3020 $r = q("SELECT `id` FROM `contact` WHERE `uid` = (SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1)
3021 AND `nick` = '%s' AND NOT `self` AND (`url` LIKE '%%%s%%' OR `nurl` LIKE '%%%s%%') AND NOT `blocked` AND NOT `pending` LIMIT 1",
3022 dbesc($contact_nick),
3023 dbesc($a->user['nickname']),
3027 if ((! DBM::is_result($r)) || $r[0]['id'] == remote_user()) {
3031 $r = q("SELECT * FROM contact WHERE nick = '%s'
3032 AND network = '%s' AND uid = %d AND url LIKE '%%%s%%' LIMIT 1",
3033 dbesc($contact_nick),
3034 dbesc(NETWORK_DFRN),
3035 intval(local_user()),
3038 if (! DBM::is_result($r)) {
3044 $dfrn_id = (($r[0]['issued-id']) ? $r[0]['issued-id'] : $r[0]['dfrn-id']);
3046 if ($r[0]['duplex'] && $r[0]['issued-id']) {
3047 $orig_id = $r[0]['issued-id'];
3048 $dfrn_id = '1:' . $orig_id;
3050 if ($r[0]['duplex'] && $r[0]['dfrn-id']) {
3051 $orig_id = $r[0]['dfrn-id'];
3052 $dfrn_id = '0:' . $orig_id;
3055 // ensure that we've got a valid ID. There may be some edge cases with forums and non-duplex mode
3056 // that may have triggered some of the "went to {profile/intro} and got an RSS feed" issues
3058 if (strlen($dfrn_id) < 3) {
3062 $sec = random_string();
3064 dba::insert('profile_check', ['uid' => local_user(), 'cid' => $cid, 'dfrn_id' => $dfrn_id, 'sec' => $sec, 'expire' => time() + 45]);
3066 $url = curPageURL();
3068 logger('auto_redir: ' . $r[0]['name'] . ' ' . $sec, LOGGER_DEBUG);
3069 $dest = (($url) ? '&destination_url=' . $url : '');
3070 goaway($r[0]['poll'] . '?dfrn_id=' . $dfrn_id
3071 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=' . $sec . $dest);
3078 * @brief Returns the activity verb
3080 * @param array $item Item array
3082 * @return string activity verb
3084 private static function constructVerb(array $item)
3086 if ($item['verb']) {
3087 return $item['verb'];
3089 return ACTIVITY_POST;