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\L10n;
16 use Friendica\Core\System;
17 use Friendica\Core\Worker;
18 use Friendica\Database\DBM;
19 use Friendica\Model\Contact;
20 use Friendica\Model\GContact;
21 use Friendica\Model\Group;
22 use Friendica\Model\Profile;
23 use Friendica\Model\Term;
24 use Friendica\Model\User;
25 use Friendica\Object\Image;
26 use Friendica\Protocol\OStatus;
27 use Friendica\Util\Crypto;
28 use Friendica\Util\XML;
34 use HTMLPurifier_Config;
36 require_once 'boot.php';
37 require_once 'include/dba.php';
38 require_once "include/enotify.php";
39 require_once "include/threads.php";
40 require_once "include/items.php";
41 require_once "include/tags.php";
42 require_once "include/event.php";
43 require_once "include/text.php";
44 require_once "include/html2bbcode.php";
45 require_once "include/bbcode.php";
48 * @brief This class contain functions to create and send DFRN XML files
53 const DFRN_TOP_LEVEL = 0; // Top level posting
54 const DFRN_REPLY = 1; // Regular reply that is stored locally
55 const DFRN_REPLY_RC = 2; // Reply that will be relayed
58 * @brief Generates the atom entries for delivery.php
60 * This function is used whenever content is transmitted via DFRN.
62 * @param array $items Item elements
63 * @param array $owner Owner record
65 * @return string DFRN entries
66 * @todo Add type-hints
68 public static function entries($items, $owner)
70 $doc = new DOMDocument('1.0', 'utf-8');
71 $doc->formatOutput = true;
73 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
75 if (! count($items)) {
76 return trim($doc->saveXML());
79 foreach ($items as $item) {
80 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
81 $root->appendChild($entry);
84 return(trim($doc->saveXML()));
88 * @brief Generate an atom feed for the given user
90 * This function is called when another server is pulling data from the user feed.
92 * @param string $dfrn_id DFRN ID from the requesting party
93 * @param string $owner_nick Owner nick name
94 * @param string $last_update Date of the last update
95 * @param int $direction Can be -1, 0 or 1.
96 * @param boolean $onlyheader Output only the header without content? (Default is "no")
98 * @return string DFRN feed entries
100 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false)
104 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
105 $public_feed = (($dfrn_id) ? false : true);
106 $starred = false; // not yet implemented, possible security issues
109 if ($public_feed && $a->argc > 2) {
110 for ($x = 2; $x < $a->argc; $x++) {
111 if ($a->argv[$x] == 'converse') {
114 if ($a->argv[$x] == 'starred') {
117 if ($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) {
118 $category = $a->argv[$x+1];
125 // default permissions - anonymous user
127 $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
130 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
131 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
132 WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
136 if (! DBM::is_result($r)) {
141 $owner_id = $owner['uid'];
142 $owner_nick = $owner['nickname'];
144 $sql_post_table = "";
146 if (! $public_feed) {
148 switch ($direction) {
150 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
154 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
155 $my_id = '1:' . $dfrn_id;
158 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
159 $my_id = '0:' . $dfrn_id;
167 "SELECT * FROM `contact` WHERE NOT `blocked` AND `contact`.`uid` = %d $sql_extra LIMIT 1",
171 if (! DBM::is_result($r)) {
176 include_once 'include/security.php';
177 $groups = Group::getIdsByContactId($contact['id']);
179 if (count($groups)) {
180 for ($x = 0; $x < count($groups); $x ++)
181 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
182 $gs = implode('|', $groups);
184 $gs = '<<>>' ; // Impossible to match
187 $sql_extra = sprintf(
189 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
190 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
191 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
192 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
194 intval($contact['id']),
195 intval($contact['id']),
207 if (! strlen($last_update)) {
208 $last_update = 'now -30 days';
211 if (isset($category)) {
212 $sql_post_table = sprintf(
213 "INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
214 dbesc(protect_sprintf($category)),
215 intval(TERM_OBJ_POST),
216 intval(TERM_CATEGORY),
219 //$sql_extra .= file_tag_file_query('item',$category,'category');
224 $sql_extra .= " AND `contact`.`self` = 1 ";
228 $check_date = datetime_convert('UTC', 'UTC', $last_update, 'Y-m-d H:i:s');
231 "SELECT `item`.*, `item`.`id` AS `item_id`,
232 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
233 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
234 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
235 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
236 FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table
237 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
238 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
239 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
240 WHERE `item`.`uid` = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
241 AND `item`.`wall` AND `item`.`changed` > '%s'
243 ORDER BY `item`.`parent` ".$sort.", `item`.`created` ASC LIMIT 0, 300",
250 * Will check further below if this actually returned results.
251 * We will provide an empty feed if that is the case.
256 $doc = new DOMDocument('1.0', 'utf-8');
257 $doc->formatOutput = true;
259 $alternatelink = $owner['url'];
261 if (isset($category)) {
262 $alternatelink .= "/category/".$category;
266 $author = "dfrn:owner";
271 $root = self::addHeader($doc, $owner, $author, $alternatelink, true);
273 /// @TODO This hook can't work anymore
274 // Addon::callHooks('atom_feed', $atom);
276 if (!DBM::is_result($items) || $onlyheader) {
277 $atom = trim($doc->saveXML());
279 Addon::callHooks('atom_feed_end', $atom);
284 foreach ($items as $item) {
285 // prevent private email from leaking.
286 if ($item['network'] == NETWORK_MAIL) {
290 // public feeds get html, our own nodes use bbcode
294 // catch any email that's in a public conversation and make sure it doesn't leak
295 if ($item['private']) {
302 $entry = self::entry($doc, $type, $item, $owner, true);
303 $root->appendChild($entry);
306 $atom = trim($doc->saveXML());
308 Addon::callHooks('atom_feed_end', $atom);
314 * @brief Generate an atom entry for a given item id
316 * @param int $item_id The item id
317 * @param boolean $conversation Show the conversation. If false show the single post.
319 * @return string DFRN feed entry
321 public static function itemFeed($item_id, $conversation = false)
324 $condition = '`item`.`parent`';
326 $condition = '`item`.`id`';
330 "SELECT `item`.*, `item`.`id` AS `item_id`,
331 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
332 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
333 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
334 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
336 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
337 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
338 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
339 WHERE %s = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
340 AND NOT `item`.`private`",
345 if (!DBM::is_result($r)) {
352 if ($item['uid'] != 0) {
353 $owner = User::getOwnerDataById($item['uid']);
358 $owner = ['uid' => 0, 'nick' => 'feed-item'];
361 $doc = new DOMDocument('1.0', 'utf-8');
362 $doc->formatOutput = true;
366 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
367 $doc->appendChild($root);
369 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
370 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
371 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
372 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
373 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
374 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
375 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
376 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
377 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
379 //$root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
381 foreach ($items as $item) {
382 $entry = self::entry($doc, $type, $item, $owner, true, 0);
383 $root->appendChild($entry);
386 $root = self::entry($doc, $type, $item, $owner, true, 0, true);
389 $atom = trim($doc->saveXML());
394 * @brief Create XML text for DFRN mails
396 * @param array $item message elements
397 * @param array $owner Owner record
399 * @return string DFRN mail
400 * @todo Add type-hints
402 public static function mail($item, $owner)
404 $doc = new DOMDocument('1.0', 'utf-8');
405 $doc->formatOutput = true;
407 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
409 $mail = $doc->createElement("dfrn:mail");
410 $sender = $doc->createElement("dfrn:sender");
412 XML::addElement($doc, $sender, "dfrn:name", $owner['name']);
413 XML::addElement($doc, $sender, "dfrn:uri", $owner['url']);
414 XML::addElement($doc, $sender, "dfrn:avatar", $owner['thumb']);
416 $mail->appendChild($sender);
418 XML::addElement($doc, $mail, "dfrn:id", $item['uri']);
419 XML::addElement($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
420 XML::addElement($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00', ATOM_TIME));
421 XML::addElement($doc, $mail, "dfrn:subject", $item['title']);
422 XML::addElement($doc, $mail, "dfrn:content", $item['body']);
424 $root->appendChild($mail);
426 return(trim($doc->saveXML()));
430 * @brief Create XML text for DFRN friend suggestions
432 * @param array $item suggestion elements
433 * @param array $owner Owner record
435 * @return string DFRN suggestions
436 * @todo Add type-hints
438 public static function fsuggest($item, $owner)
440 $doc = new DOMDocument('1.0', 'utf-8');
441 $doc->formatOutput = true;
443 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
445 $suggest = $doc->createElement("dfrn:suggest");
447 XML::addElement($doc, $suggest, "dfrn:url", $item['url']);
448 XML::addElement($doc, $suggest, "dfrn:name", $item['name']);
449 XML::addElement($doc, $suggest, "dfrn:photo", $item['photo']);
450 XML::addElement($doc, $suggest, "dfrn:request", $item['request']);
451 XML::addElement($doc, $suggest, "dfrn:note", $item['note']);
453 $root->appendChild($suggest);
455 return(trim($doc->saveXML()));
459 * @brief Create XML text for DFRN relocations
461 * @param array $owner Owner record
462 * @param int $uid User ID
464 * @return string DFRN relocations
465 * @todo Add type-hints
467 public static function relocate($owner, $uid)
470 /* get site pubkey. this could be a new installation with no site keys*/
471 $pubkey = Config::get('system', 'site_pubkey');
473 $res = Crypto::newKeypair(1024);
474 Config::set('system', 'site_prvkey', $res['prvkey']);
475 Config::set('system', 'site_pubkey', $res['pubkey']);
479 "SELECT `resource-id` , `scale`, type FROM `photo`
480 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;",
484 $ext = Image::supportedTypes();
486 foreach ($rp as $p) {
487 $photos[$p['scale']] = System::baseUrl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
492 $doc = new DOMDocument('1.0', 'utf-8');
493 $doc->formatOutput = true;
495 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
497 $relocate = $doc->createElement("dfrn:relocate");
499 XML::addElement($doc, $relocate, "dfrn:url", $owner['url']);
500 XML::addElement($doc, $relocate, "dfrn:name", $owner['name']);
501 XML::addElement($doc, $relocate, "dfrn:addr", $owner['addr']);
502 XML::addElement($doc, $relocate, "dfrn:avatar", $owner['avatar']);
503 XML::addElement($doc, $relocate, "dfrn:photo", $photos[4]);
504 XML::addElement($doc, $relocate, "dfrn:thumb", $photos[5]);
505 XML::addElement($doc, $relocate, "dfrn:micro", $photos[6]);
506 XML::addElement($doc, $relocate, "dfrn:request", $owner['request']);
507 XML::addElement($doc, $relocate, "dfrn:confirm", $owner['confirm']);
508 XML::addElement($doc, $relocate, "dfrn:notify", $owner['notify']);
509 XML::addElement($doc, $relocate, "dfrn:poll", $owner['poll']);
510 XML::addElement($doc, $relocate, "dfrn:sitepubkey", Config::get('system', 'site_pubkey'));
512 $root->appendChild($relocate);
514 return(trim($doc->saveXML()));
518 * @brief Adds the header elements for the DFRN protocol
520 * @param object $doc XML document
521 * @param array $owner Owner record
522 * @param string $authorelement Element name for the author
523 * @param string $alternatelink link to profile or category
524 * @param bool $public Is it a header for public posts?
526 * @return object XML root object
527 * @todo Add type-hints
529 private static function addHeader($doc, $owner, $authorelement, $alternatelink = "", $public = false)
532 if ($alternatelink == "") {
533 $alternatelink = $owner['url'];
536 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
537 $doc->appendChild($root);
539 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
540 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
541 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
542 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
543 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
544 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
545 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
546 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
547 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
549 XML::addElement($doc, $root, "id", System::baseUrl()."/profile/".$owner["nick"]);
550 XML::addElement($doc, $root, "title", $owner["name"]);
552 $attributes = ["uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION];
553 XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
555 $attributes = ["rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/"];
556 XML::addElement($doc, $root, "link", "", $attributes);
558 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $alternatelink];
559 XML::addElement($doc, $root, "link", "", $attributes);
563 // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
564 OStatus::hublinks($doc, $root, $owner["nick"]);
566 $attributes = ["rel" => "salmon", "href" => System::baseUrl()."/salmon/".$owner["nick"]];
567 XML::addElement($doc, $root, "link", "", $attributes);
569 $attributes = ["rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => System::baseUrl()."/salmon/".$owner["nick"]];
570 XML::addElement($doc, $root, "link", "", $attributes);
572 $attributes = ["rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => System::baseUrl()."/salmon/".$owner["nick"]];
573 XML::addElement($doc, $root, "link", "", $attributes);
576 // For backward compatibility we keep this element
577 if ($owner['page-flags'] == PAGE_COMMUNITY) {
578 XML::addElement($doc, $root, "dfrn:community", 1);
581 // The former element is replaced by this one
582 XML::addElement($doc, $root, "dfrn:account_type", $owner["account-type"]);
584 /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP"
586 XML::addElement($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
588 $author = self::addAuthor($doc, $owner, $authorelement, $public);
589 $root->appendChild($author);
595 * @brief Adds the author element in the header for the DFRN protocol
597 * @param object $doc XML document
598 * @param array $owner Owner record
599 * @param string $authorelement Element name for the author
600 * @param boolean $public boolean
602 * @return object XML author object
603 * @todo Add type-hints
605 private static function addAuthor($doc, $owner, $authorelement, $public)
607 // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
609 "SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
610 WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d",
611 intval($owner['uid'])
613 if (DBM::is_result($r)) {
619 $author = $doc->createElement($authorelement);
621 $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00', ATOM_TIME);
622 $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
623 $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
627 if (!$public || !$hidewall) {
628 $attributes = ["dfrn:updated" => $namdate];
631 XML::addElement($doc, $author, "name", $owner["name"], $attributes);
632 XML::addElement($doc, $author, "uri", System::baseUrl().'/profile/'.$owner["nickname"], $attributes);
633 XML::addElement($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
635 $attributes = ["rel" => "photo", "type" => "image/jpeg",
636 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']];
638 if (!$public || !$hidewall) {
639 $attributes["dfrn:updated"] = $picdate;
642 XML::addElement($doc, $author, "link", "", $attributes);
644 $attributes["rel"] = "avatar";
645 XML::addElement($doc, $author, "link", "", $attributes);
648 XML::addElement($doc, $author, "dfrn:hide", "true");
651 // The following fields will only be generated if the data isn't meant for a public feed
656 $birthday = feed_birthday($owner['uid'], $owner['timezone']);
659 XML::addElement($doc, $author, "dfrn:birthday", $birthday);
662 // Only show contact details when we are allowed to
664 "SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`,
665 `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
666 `profile`.`pub_keywords`, `profile`.`xmpp`, `profile`.`dob`
668 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
669 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
670 intval($owner['uid'])
672 if (DBM::is_result($r)) {
675 XML::addElement($doc, $author, "poco:displayName", $profile["name"]);
676 XML::addElement($doc, $author, "poco:updated", $namdate);
678 if (trim($profile["dob"]) > '0001-01-01') {
679 XML::addElement($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
682 XML::addElement($doc, $author, "poco:note", $profile["about"]);
683 XML::addElement($doc, $author, "poco:preferredUsername", $profile["nickname"]);
685 $savetz = date_default_timezone_get();
686 date_default_timezone_set($profile["timezone"]);
687 XML::addElement($doc, $author, "poco:utcOffset", date("P"));
688 date_default_timezone_set($savetz);
690 if (trim($profile["homepage"]) != "") {
691 $urls = $doc->createElement("poco:urls");
692 XML::addElement($doc, $urls, "poco:type", "homepage");
693 XML::addElement($doc, $urls, "poco:value", $profile["homepage"]);
694 XML::addElement($doc, $urls, "poco:primary", "true");
695 $author->appendChild($urls);
698 if (trim($profile["pub_keywords"]) != "") {
699 $keywords = explode(",", $profile["pub_keywords"]);
701 foreach ($keywords as $keyword) {
702 XML::addElement($doc, $author, "poco:tags", trim($keyword));
706 if (trim($profile["xmpp"]) != "") {
707 $ims = $doc->createElement("poco:ims");
708 XML::addElement($doc, $ims, "poco:type", "xmpp");
709 XML::addElement($doc, $ims, "poco:value", $profile["xmpp"]);
710 XML::addElement($doc, $ims, "poco:primary", "true");
711 $author->appendChild($ims);
714 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
715 $element = $doc->createElement("poco:address");
717 XML::addElement($doc, $element, "poco:formatted", Profile::formatLocation($profile));
719 if (trim($profile["locality"]) != "") {
720 XML::addElement($doc, $element, "poco:locality", $profile["locality"]);
723 if (trim($profile["region"]) != "") {
724 XML::addElement($doc, $element, "poco:region", $profile["region"]);
727 if (trim($profile["country-name"]) != "") {
728 XML::addElement($doc, $element, "poco:country", $profile["country-name"]);
731 $author->appendChild($element);
739 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
741 * @param object $doc XML document
742 * @param string $element Element name for the author
743 * @param string $contact_url Link of the contact
744 * @param array $item Item elements
746 * @return object XML author object
747 * @todo Add type-hints
749 private static function addEntryAuthor($doc, $element, $contact_url, $item)
751 $contact = Contact::getDetailsByURL($contact_url, $item["uid"]);
753 $author = $doc->createElement($element);
754 XML::addElement($doc, $author, "name", $contact["name"]);
755 XML::addElement($doc, $author, "uri", $contact["url"]);
756 XML::addElement($doc, $author, "dfrn:handle", $contact["addr"]);
759 /// - Check real image type and image size
760 /// - Check which of these boths elements we should use
763 "type" => "image/jpeg",
765 "media:height" => 80,
766 "href" => $contact["photo"]];
767 XML::addElement($doc, $author, "link", "", $attributes);
771 "type" => "image/jpeg",
773 "media:height" => 80,
774 "href" => $contact["photo"]];
775 XML::addElement($doc, $author, "link", "", $attributes);
781 * @brief Adds the activity elements
783 * @param object $doc XML document
784 * @param string $element Element name for the activity
785 * @param string $activity activity value
787 * @return object XML activity object
788 * @todo Add type-hints
790 private static function createActivity($doc, $element, $activity)
793 $entry = $doc->createElement($element);
795 $r = parse_xml_string($activity, false);
800 XML::addElement($doc, $entry, "activity:object-type", $r->type);
803 XML::addElement($doc, $entry, "id", $r->id);
806 XML::addElement($doc, $entry, "title", $r->title);
810 if (substr($r->link, 0, 1) == '<') {
811 if (strstr($r->link, '&') && (! strstr($r->link, '&'))) {
812 $r->link = str_replace('&', '&', $r->link);
815 $r->link = preg_replace('/\<link(.*?)\"\>/', '<link$1"/>', $r->link);
817 // XML does need a single element as root element so we add a dummy element here
818 $data = parse_xml_string("<dummy>" . $r->link . "</dummy>", false);
819 if (is_object($data)) {
820 foreach ($data->link as $link) {
822 foreach ($link->attributes() as $parameter => $value) {
823 $attributes[$parameter] = $value;
825 XML::addElement($doc, $entry, "link", "", $attributes);
829 $attributes = ["rel" => "alternate", "type" => "text/html", "href" => $r->link];
830 XML::addElement($doc, $entry, "link", "", $attributes);
834 XML::addElement($doc, $entry, "content", bbcode($r->content), ["type" => "html"]);
844 * @brief Adds the elements for attachments
846 * @param object $doc XML document
847 * @param object $root XML root
848 * @param array $item Item element
850 * @return object XML attachment object
851 * @todo Add type-hints
853 private static function getAttachment($doc, $root, $item)
855 $arr = explode('[/attach],', $item['attach']);
857 foreach ($arr as $r) {
859 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
861 $attributes = ["rel" => "enclosure",
862 "href" => $matches[1],
863 "type" => $matches[3]];
865 if (intval($matches[2])) {
866 $attributes["length"] = intval($matches[2]);
869 if (trim($matches[4]) != "") {
870 $attributes["title"] = trim($matches[4]);
873 XML::addElement($doc, $root, "link", "", $attributes);
880 * @brief Adds the "entry" elements for the DFRN protocol
882 * @param object $doc XML document
883 * @param string $type "text" or "html"
884 * @param array $item Item element
885 * @param array $owner Owner record
886 * @param bool $comment Trigger the sending of the "comment" element
887 * @param int $cid Contact ID of the recipient
888 * @param bool $single If set, the entry is created as an XML document with a single "entry" element
890 * @return object XML entry object
891 * @todo Add type-hints
893 private static function entry($doc, $type, $item, $owner, $comment = false, $cid = 0, $single = false)
897 if (!$item['parent']) {
901 if ($item['deleted']) {
902 $attributes = ["ref" => $item['uri'], "when" => datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00', ATOM_TIME)];
903 return XML::createElement($doc, "at:deleted-entry", "", $attributes);
907 $entry = $doc->createElement("entry");
909 $entry = $doc->createElementNS(NAMESPACE_ATOM1, 'entry');
910 $doc->appendChild($entry);
912 $entry->setAttribute("xmlns:thr", NAMESPACE_THREAD);
913 $entry->setAttribute("xmlns:at", NAMESPACE_TOMB);
914 $entry->setAttribute("xmlns:media", NAMESPACE_MEDIA);
915 $entry->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
916 $entry->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
917 $entry->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
918 $entry->setAttribute("xmlns:poco", NAMESPACE_POCO);
919 $entry->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
920 $entry->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
923 if ($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) {
924 $body = fix_private_photos($item['body'], $owner['uid'], $item, $cid);
926 $body = $item['body'];
929 // Remove the abstract element. It is only locally important.
930 $body = remove_abstract($body);
932 if ($type == 'html') {
935 if ($item['title'] != "") {
936 $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody;
939 $htmlbody = bbcode($htmlbody, false, false, 7);
942 $author = self::addEntryAuthor($doc, "author", $item["author-link"], $item);
943 $entry->appendChild($author);
945 $dfrnowner = self::addEntryAuthor($doc, "dfrn:owner", $item["owner-link"], $item);
946 $entry->appendChild($dfrnowner);
948 if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
949 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
950 $parent = q("SELECT `guid`,`plink` FROM `item` WHERE `uri` = '%s' AND `uid` = %d", dbesc($parent_item), intval($item['uid']));
951 $attributes = ["ref" => $parent_item, "type" => "text/html",
952 "href" => $parent[0]['plink'],
953 "dfrn:diaspora_guid" => $parent[0]['guid']];
954 XML::addElement($doc, $entry, "thr:in-reply-to", "", $attributes);
957 // Add conversation data. This is used for OStatus
958 $conversation_href = System::baseUrl()."/display/".$owner["nick"]."/".$item["parent"];
959 $conversation_uri = $conversation_href;
961 if (isset($parent_item)) {
962 $r = dba::fetch_first("SELECT `conversation-uri`, `conversation-href` FROM `conversation` WHERE `item-uri` = ?", $item['parent-uri']);
963 if (DBM::is_result($r)) {
964 if ($r['conversation-uri'] != '') {
965 $conversation_uri = $r['conversation-uri'];
967 if ($r['conversation-href'] != '') {
968 $conversation_href = $r['conversation-href'];
974 "href" => $conversation_href,
975 "ref" => $conversation_uri];
977 XML::addElement($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
979 XML::addElement($doc, $entry, "id", $item["uri"]);
980 XML::addElement($doc, $entry, "title", $item["title"]);
982 XML::addElement($doc, $entry, "published", datetime_convert("UTC", "UTC", $item["created"] . "+00:00", ATOM_TIME));
983 XML::addElement($doc, $entry, "updated", datetime_convert("UTC", "UTC", $item["edited"] . "+00:00", ATOM_TIME));
985 // "dfrn:env" is used to read the content
986 XML::addElement($doc, $entry, "dfrn:env", base64url_encode($body, true));
988 // The "content" field is not read by the receiver. We could remove it when the type is "text"
989 // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
990 XML::addElement($doc, $entry, "content", (($type == 'html') ? $htmlbody : $body), ["type" => $type]);
992 // We save this value in "plink". Maybe we should read it from there as well?
998 ["rel" => "alternate", "type" => "text/html",
999 "href" => System::baseUrl() . "/display/" . $item["guid"]]
1002 // "comment-allow" is some old fashioned stuff for old Friendica versions.
1003 // It is included in the rewritten code for completeness
1005 XML::addElement($doc, $entry, "dfrn:comment-allow", 1);
1008 if ($item['location']) {
1009 XML::addElement($doc, $entry, "dfrn:location", $item['location']);
1012 if ($item['coord']) {
1013 XML::addElement($doc, $entry, "georss:point", $item['coord']);
1016 if (($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid'])) {
1017 XML::addElement($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
1020 if ($item['extid']) {
1021 XML::addElement($doc, $entry, "dfrn:extid", $item['extid']);
1024 if ($item['bookmark']) {
1025 XML::addElement($doc, $entry, "dfrn:bookmark", "true");
1029 XML::addElement($doc, $entry, "statusnet:notice_info", "", ["local_id" => $item['id'], "source" => $item['app']]);
1032 XML::addElement($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
1034 // The signed text contains the content in Markdown, the sender handle and the signatur for the content
1035 // It is needed for relayed comments to Diaspora.
1036 if ($item['signed_text']) {
1037 $sign = base64_encode(json_encode(['signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer']]));
1038 XML::addElement($doc, $entry, "dfrn:diaspora_signature", $sign);
1041 XML::addElement($doc, $entry, "activity:verb", self::constructVerb($item));
1043 if ($item['object-type'] != "") {
1044 XML::addElement($doc, $entry, "activity:object-type", $item['object-type']);
1045 } elseif ($item['id'] == $item['parent']) {
1046 XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
1048 XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
1051 $actobj = self::createActivity($doc, "activity:object", $item['object']);
1053 $entry->appendChild($actobj);
1056 $actarg = self::createActivity($doc, "activity:target", $item['target']);
1058 $entry->appendChild($actarg);
1061 $tags = item_getfeedtags($item);
1064 foreach ($tags as $t) {
1065 if (($type != 'html') || ($t[0] != "@")) {
1066 XML::addElement($doc, $entry, "category", "", ["scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]]);
1072 foreach ($tags as $t) {
1074 $mentioned[$t[1]] = $t[1];
1079 foreach ($mentioned as $mention) {
1081 "SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
1082 intval($owner["uid"]),
1083 dbesc(normalise_link($mention))
1086 if (DBM::is_result($r) && ($r[0]["forum"] || $r[0]["prv"])) {
1092 ["rel" => "mentioned",
1093 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
1102 ["rel" => "mentioned",
1103 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
1109 self::getAttachment($doc, $entry, $item);
1115 * @brief encrypts data via AES
1117 * @param string $data The data that is to be encrypted
1118 * @param string $key The AES key
1120 * @return string encrypted data
1122 private static function aesEncrypt($data, $key)
1124 return openssl_encrypt($data, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1128 * @brief decrypts data via AES
1130 * @param string $encrypted The encrypted data
1131 * @param string $key The AES key
1133 * @return string decrypted data
1135 public static function aesDecrypt($encrypted, $key)
1137 return openssl_decrypt($encrypted, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1141 * @brief Delivers the atom content to the contacts
1143 * @param array $owner Owner record
1144 * @param array $contact Contact record of the receiver
1145 * @param string $atom Content that will be transmitted
1146 * @param bool $dissolve (to be documented)
1148 * @return int Deliver status. -1 means an error.
1149 * @todo Add array type-hint for $owner, $contact
1151 public static function deliver($owner, $contact, $atom, $dissolve = false)
1155 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
1157 if ($contact['duplex'] && $contact['dfrn-id']) {
1158 $idtosend = '0:' . $orig_id;
1160 if ($contact['duplex'] && $contact['issued-id']) {
1161 $idtosend = '1:' . $orig_id;
1164 $rino = Config::get('system', 'rino_encrypt');
1165 $rino = intval($rino);
1167 logger("Local rino version: ". $rino, LOGGER_DEBUG);
1169 $ssl_val = intval(Config::get('system', 'ssl_policy'));
1173 case SSL_POLICY_FULL:
1174 $ssl_policy = 'full';
1176 case SSL_POLICY_SELFSIGN:
1177 $ssl_policy = 'self';
1179 case SSL_POLICY_NONE:
1181 $ssl_policy = 'none';
1185 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
1187 logger('dfrn_deliver: ' . $url);
1189 $ret = z_fetch_url($url);
1191 if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
1192 return -2; // timed out
1195 $xml = $ret['body'];
1197 $curl_stat = $a->get_curl_code();
1199 return -3; // timed out
1202 logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
1208 if (strpos($xml, '<?xml') === false) {
1209 logger('dfrn_deliver: no valid XML returned');
1210 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
1214 $res = parse_xml_string($xml);
1216 if ((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) {
1217 return (($res->status) ? $res->status : 3);
1221 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
1222 $challenge = hex2bin((string) $res->challenge);
1223 $perm = (($res->perm) ? $res->perm : null);
1224 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
1225 $rino_remote_version = intval($res->rino);
1226 $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0);
1228 logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG);
1230 if ($owner['page-flags'] == PAGE_PRVGROUP) {
1234 $final_dfrn_id = '';
1237 if ((($perm == 'rw') && (! intval($contact['writable'])))
1238 || (($perm == 'r') && (intval($contact['writable'])))
1241 "update contact set writable = %d where id = %d",
1242 intval(($perm == 'rw') ? 1 : 0),
1243 intval($contact['id'])
1245 $contact['writable'] = (string) 1 - intval($contact['writable']);
1249 if (($contact['duplex'] && strlen($contact['pubkey']))
1250 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1251 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))
1253 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
1254 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
1256 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
1257 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
1260 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
1262 if (strpos($final_dfrn_id, ':') == 1) {
1263 $final_dfrn_id = substr($final_dfrn_id, 2);
1266 if ($final_dfrn_id != $orig_id) {
1267 logger('dfrn_deliver: wrong dfrn_id.');
1268 // did not decode properly - cannot trust this site
1272 $postvars['dfrn_id'] = $idtosend;
1273 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
1275 $postvars['dissolve'] = '1';
1279 if ((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1280 $postvars['data'] = $atom;
1281 $postvars['perm'] = 'rw';
1283 $postvars['data'] = str_replace('<dfrn:comment-allow>1', '<dfrn:comment-allow>0', $atom);
1284 $postvars['perm'] = 'r';
1287 $postvars['ssl_policy'] = $ssl_policy;
1290 $postvars['page'] = $page;
1294 if ($rino > 0 && $rino_remote_version > 0 && (! $dissolve)) {
1295 logger('rino version: '. $rino_remote_version);
1297 switch ($rino_remote_version) {
1299 $key = openssl_random_pseudo_bytes(16);
1300 $data = self::aesEncrypt($postvars['data'], $key);
1303 logger("rino: invalid requested version '$rino_remote_version'");
1307 $postvars['rino'] = $rino_remote_version;
1308 $postvars['data'] = bin2hex($data);
1310 if ($dfrn_version >= 2.1) {
1311 if (($contact['duplex'] && strlen($contact['pubkey']))
1312 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1313 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))
1315 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1317 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1320 if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1321 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1323 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1327 logger('md5 rawkey ' . md5($postvars['key']));
1329 $postvars['key'] = bin2hex($postvars['key']);
1333 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars, true), LOGGER_DATA);
1335 $xml = post_url($contact['notify'], $postvars);
1337 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
1339 $curl_stat = $a->get_curl_code();
1340 if ((!$curl_stat) || (!strlen($xml))) {
1341 return -9; // timed out
1344 if (($curl_stat == 503) && (stristr($a->get_curl_headers(), 'retry-after'))) {
1348 if (strpos($xml, '<?xml') === false) {
1349 logger('dfrn_deliver: phase 2: no valid XML returned');
1350 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
1354 if ($contact['term-date'] > NULL_DATE) {
1355 logger("dfrn_deliver: $url back from the dead - removing mark for death");
1356 Contact::unmarkForArchival($contact);
1359 $res = parse_xml_string($xml);
1361 if (!isset($res->status)) {
1365 if (!empty($res->message)) {
1366 logger('Delivery returned status '.$res->status.' - '.$res->message, LOGGER_DEBUG);
1369 return intval($res->status);
1373 * @brief Add new birthday event for this person
1375 * @param array $contact Contact record
1376 * @param string $birthday Birthday of the contact
1378 * @todo Add array type-hint for $contact
1380 private static function birthdayEvent($contact, $birthday)
1382 // Check for duplicates
1384 "SELECT `id` FROM `event` WHERE `uid` = %d AND `cid` = %d AND `start` = '%s' AND `type` = '%s' LIMIT 1",
1385 intval($contact["uid"]),
1386 intval($contact["id"]),
1387 dbesc(datetime_convert("UTC", "UTC", $birthday)),
1391 if (DBM::is_result($r)) {
1395 logger("updating birthday: ".$birthday." for contact ".$contact["id"]);
1397 $bdtext = L10n::t("%s\'s birthday", $contact["name"]);
1398 $bdtext2 = L10n::t("Happy Birthday %s", " [url=".$contact["url"]."]".$contact["name"]."[/url]");
1401 "INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`)
1402 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
1403 intval($contact["uid"]),
1404 intval($contact["id"]),
1405 dbesc(datetime_convert()),
1406 dbesc(datetime_convert()),
1407 dbesc(datetime_convert("UTC", "UTC", $birthday)),
1408 dbesc(datetime_convert("UTC", "UTC", $birthday . " + 1 day ")),
1416 * @brief Fetch the author data from head or entry items
1418 * @param object $xpath XPath object
1419 * @param object $context In which context should the data be searched
1420 * @param array $importer Record of the importer user mixed with contact of the content
1421 * @param string $element Element name from which the data is fetched
1422 * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well
1423 * @param string $xml optional, default empty
1425 * @return array Relevant data of the author
1426 * @todo Find good type-hints for all parameter
1428 private static function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "")
1431 $author["name"] = $xpath->evaluate($element."/atom:name/text()", $context)->item(0)->nodeValue;
1432 $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue;
1435 "SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`,
1436 `name`, `nick`, `about`, `location`, `keywords`, `xmpp`, `bdyear`, `bd`, `hidden`, `contact-type`
1437 FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
1438 intval($importer["uid"]),
1439 dbesc(normalise_link($author["link"])),
1440 dbesc(NETWORK_STATUSNET)
1443 if (DBM::is_result($r)) {
1445 $author["contact-id"] = $r[0]["id"];
1446 $author["network"] = $r[0]["network"];
1449 logger("Contact ".$author["link"]." wasn't found for user ".$importer["uid"]." XML: ".$xml, LOGGER_DEBUG);
1452 $author["contact-id"] = $importer["id"];
1453 $author["network"] = $importer["network"];
1457 // Until now we aren't serving different sizes - but maybe later
1459 /// @todo check if "avatar" or "photo" would be the best field in the specification
1460 $avatars = $xpath->query($element."/atom:link[@rel='avatar']", $context);
1461 foreach ($avatars as $avatar) {
1464 foreach ($avatar->attributes as $attributes) {
1465 /// @TODO Rewrite these similar if () to one switch
1466 if ($attributes->name == "href") {
1467 $href = $attributes->textContent;
1469 if ($attributes->name == "width") {
1470 $width = $attributes->textContent;
1472 if ($attributes->name == "updated") {
1473 $contact["avatar-date"] = $attributes->textContent;
1476 if (($width > 0) && ($href != "")) {
1477 $avatarlist[$width] = $href;
1480 if (count($avatarlist) > 0) {
1481 krsort($avatarlist);
1482 $author["avatar"] = current($avatarlist);
1485 if (DBM::is_result($r) && !$onlyfetch) {
1486 logger("Check if contact details for contact " . $r[0]["id"] . " (" . $r[0]["nick"] . ") have to be updated.", LOGGER_DEBUG);
1488 $poco = ["url" => $contact["url"]];
1490 // When was the last change to name or uri?
1491 $name_element = $xpath->query($element . "/atom:name", $context)->item(0);
1492 foreach ($name_element->attributes as $attributes) {
1493 if ($attributes->name == "updated") {
1494 $poco["name-date"] = $attributes->textContent;
1498 $link_element = $xpath->query($element . "/atom:link", $context)->item(0);
1499 foreach ($link_element->attributes as $attributes) {
1500 if ($attributes->name == "updated") {
1501 $poco["uri-date"] = $attributes->textContent;
1505 // Update contact data
1506 $value = $xpath->evaluate($element . "/dfrn:handle/text()", $context)->item(0)->nodeValue;
1508 $poco["addr"] = $value;
1511 $value = $xpath->evaluate($element . "/poco:displayName/text()", $context)->item(0)->nodeValue;
1513 $poco["name"] = $value;
1516 $value = $xpath->evaluate($element . "/poco:preferredUsername/text()", $context)->item(0)->nodeValue;
1518 $poco["nick"] = $value;
1521 $value = $xpath->evaluate($element . "/poco:note/text()", $context)->item(0)->nodeValue;
1523 $poco["about"] = $value;
1526 $value = $xpath->evaluate($element . "/poco:address/poco:formatted/text()", $context)->item(0)->nodeValue;
1528 $poco["location"] = $value;
1531 /// @todo Only search for elements with "poco:type" = "xmpp"
1532 $value = $xpath->evaluate($element . "/poco:ims/poco:value/text()", $context)->item(0)->nodeValue;
1534 $poco["xmpp"] = $value;
1537 /// @todo Add support for the following fields that we don't support by now in the contact table:
1538 /// - poco:utcOffset
1544 // If the "hide" element is present then the profile isn't searchable.
1545 $hide = intval($xpath->evaluate($element . "/dfrn:hide/text()", $context)->item(0)->nodeValue == "true");
1547 logger("Hidden status for contact " . $contact["url"] . ": " . $hide, LOGGER_DEBUG);
1549 // If the contact isn't searchable then set the contact to "hidden".
1550 // Problem: This can be manually overridden by the user.
1552 $contact["hidden"] = true;
1555 // Save the keywords into the contact table
1557 $tagelements = $xpath->evaluate($element . "/poco:tags/text()", $context);
1558 foreach ($tagelements as $tag) {
1559 $tags[$tag->nodeValue] = $tag->nodeValue;
1563 $poco["keywords"] = implode(", ", $tags);
1566 // "dfrn:birthday" contains the birthday converted to UTC
1567 $old_bdyear = $contact["bdyear"];
1569 $birthday = $xpath->evaluate($element . "/dfrn:birthday/text()", $context)->item(0)->nodeValue;
1571 if (strtotime($birthday) > time()) {
1572 $bd_timestamp = strtotime($birthday);
1574 $poco["bdyear"] = date("Y", $bd_timestamp);
1577 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1578 $value = $xpath->evaluate($element . "/poco:birthday/text()", $context)->item(0)->nodeValue;
1580 if (!in_array($value, ["", "0000-00-00", "0001-01-01"])) {
1581 $bdyear = date("Y");
1582 $value = str_replace("0000", $bdyear, $value);
1584 if (strtotime($value) < time()) {
1585 $value = str_replace($bdyear, $bdyear + 1, $value);
1586 $bdyear = $bdyear + 1;
1589 $poco["bd"] = $value;
1592 $contact = array_merge($contact, $poco);
1594 if ($old_bdyear != $contact["bdyear"]) {
1595 self::birthdayEvent($contact, $birthday);
1598 // Get all field names
1600 foreach ($r[0] as $field => $data) {
1601 $fields[$field] = $data;
1604 unset($fields["id"]);
1605 unset($fields["uid"]);
1606 unset($fields["url"]);
1607 unset($fields["avatar-date"]);
1608 unset($fields["name-date"]);
1609 unset($fields["uri-date"]);
1611 // Update check for this field has to be done differently
1612 $datefields = ["name-date", "uri-date"];
1613 foreach ($datefields as $field) {
1614 if (strtotime($contact[$field]) > strtotime($r[0][$field])) {
1615 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1620 foreach ($fields as $field => $data) {
1621 if ($contact[$field] != $r[0][$field]) {
1622 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1628 logger("Update contact data for contact " . $contact["id"] . " (" . $contact["nick"] . ")", LOGGER_DEBUG);
1631 "UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s',
1632 `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s', `hidden` = %d,
1633 `xmpp` = '%s', `name-date` = '%s', `uri-date` = '%s'
1634 WHERE `id` = %d AND `network` = '%s'",
1635 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
1636 dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]),
1637 dbesc($contact["bd"]), intval($contact["hidden"]), dbesc($contact["xmpp"]),
1638 dbesc(DBM::date($contact["name-date"])), dbesc(DBM::date($contact["uri-date"])),
1639 intval($contact["id"]), dbesc($contact["network"])
1643 Contact::updateAvatar(
1647 (strtotime($contact["avatar-date"]) > strtotime($r[0]["avatar-date"]))
1651 * The generation is a sign for the reliability of the provided data.
1652 * It is used in the socgraph.php to prevent that old contact data
1653 * that was relayed over several servers can overwrite contact
1654 * data that we received directly.
1657 $poco["generation"] = 2;
1658 $poco["photo"] = $author["avatar"];
1659 $poco["hide"] = $hide;
1660 $poco["contact-type"] = $contact["contact-type"];
1661 $gcid = GContact::update($poco);
1663 GContact::link($gcid, $importer["uid"], $contact["id"]);
1670 * @brief Transforms activity objects into an XML string
1672 * @param object $xpath XPath object
1673 * @param object $activity Activity object
1674 * @param string $element element name
1676 * @return string XML string
1677 * @todo Find good type-hints for all parameter
1679 private static function transformActivity($xpath, $activity, $element)
1681 if (!is_object($activity)) {
1685 $obj_doc = new DOMDocument("1.0", "utf-8");
1686 $obj_doc->formatOutput = true;
1688 $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element);
1690 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1691 XML::addElement($obj_doc, $obj_element, "type", $activity_type);
1693 $id = $xpath->query("atom:id", $activity)->item(0);
1694 if (is_object($id)) {
1695 $obj_element->appendChild($obj_doc->importNode($id, true));
1698 $title = $xpath->query("atom:title", $activity)->item(0);
1699 if (is_object($title)) {
1700 $obj_element->appendChild($obj_doc->importNode($title, true));
1703 $links = $xpath->query("atom:link", $activity);
1704 if (is_object($links)) {
1705 foreach ($links as $link) {
1706 $obj_element->appendChild($obj_doc->importNode($link, true));
1710 $content = $xpath->query("atom:content", $activity)->item(0);
1711 if (is_object($content)) {
1712 $obj_element->appendChild($obj_doc->importNode($content, true));
1715 $obj_doc->appendChild($obj_element);
1717 $objxml = $obj_doc->saveXML($obj_element);
1719 /// @todo This isn't totally clean. We should find a way to transform the namespaces
1720 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1725 * @brief Processes the mail elements
1727 * @param object $xpath XPath object
1728 * @param object $mail mail elements
1729 * @param array $importer Record of the importer user mixed with contact of the content
1731 * @todo Find good type-hints for all parameter
1733 private static function processMail($xpath, $mail, $importer)
1735 logger("Processing mails");
1737 /// @TODO Rewrite this to one statement
1739 $msg["uid"] = $importer["importer_uid"];
1740 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1741 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1742 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1743 $msg["contact-id"] = $importer["id"];
1744 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1745 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1746 $msg["created"] = $xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue;
1747 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1748 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1750 $msg["replied"] = 0;
1752 dba::insert('mail', $msg);
1754 // send notifications.
1755 /// @TODO Arange this mess
1757 "type" => NOTIFY_MAIL,
1758 "notify_flags" => $importer["notify-flags"],
1759 "language" => $importer["language"],
1760 "to_name" => $importer["username"],
1761 "to_email" => $importer["email"],
1762 "uid" => $importer["importer_uid"],
1764 "source_name" => $msg["from-name"],
1765 "source_link" => $importer["url"],
1766 "source_photo" => $importer["thumb"],
1767 "verb" => ACTIVITY_POST,
1771 notification($notif_params);
1773 logger("Mail is processed, notification was sent.");
1777 * @brief Processes the suggestion elements
1779 * @param object $xpath XPath object
1780 * @param object $suggestion suggestion elements
1781 * @param array $importer Record of the importer user mixed with contact of the content
1783 * @todo Find good type-hints for all parameter
1785 private static function processSuggestion($xpath, $suggestion, $importer)
1789 logger("Processing suggestions");
1791 /// @TODO Rewrite this to one statement
1793 $suggest["uid"] = $importer["importer_uid"];
1794 $suggest["cid"] = $importer["id"];
1795 $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue;
1796 $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue;
1797 $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue;
1798 $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue;
1799 $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue;
1801 // Does our member already have a friend matching this description?
1804 "SELECT `id` FROM `contact` WHERE `name` = '%s' AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
1805 dbesc($suggest["name"]),
1806 dbesc(normalise_link($suggest["url"])),
1807 intval($suggest["uid"])
1811 * The valid result means the friend we're about to send a friend
1812 * suggestion already has them in their contact, which means no further
1813 * action is required.
1815 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1817 if (DBM::is_result($r)) {
1821 // Do we already have an fcontact record for this person?
1825 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1826 dbesc($suggest["url"]),
1827 dbesc($suggest["name"]),
1828 dbesc($suggest["request"])
1830 if (DBM::is_result($r)) {
1833 // OK, we do. Do we already have an introduction for this person ?
1835 "SELECT `id` FROM `intro` WHERE `uid` = %d AND `fid` = %d LIMIT 1",
1836 intval($suggest["uid"]),
1841 * The valid result means the friend we're about to send a friend
1842 * suggestion already has them in their contact, which means no further
1843 * action is required.
1845 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1847 if (DBM::is_result($r)) {
1853 "INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')",
1854 dbesc($suggest["name"]),
1855 dbesc($suggest["url"]),
1856 dbesc($suggest["photo"]),
1857 dbesc($suggest["request"])
1861 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1862 dbesc($suggest["url"]),
1863 dbesc($suggest["name"]),
1864 dbesc($suggest["request"])
1868 * If no record in fcontact is found, below INSERT statement will not
1869 * link an introduction to it.
1871 if (!DBM::is_result($r)) {
1872 // database record did not get created. Quietly give up.
1878 $hash = random_string();
1881 "INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`)
1882 VALUES(%d, %d, %d, '%s', '%s', '%s', %d)",
1883 intval($suggest["uid"]),
1885 intval($suggest["cid"]),
1886 dbesc($suggest["body"]),
1888 dbesc(datetime_convert()),
1894 "type" => NOTIFY_SUGGEST,
1895 "notify_flags" => $importer["notify-flags"],
1896 "language" => $importer["language"],
1897 "to_name" => $importer["username"],
1898 "to_email" => $importer["email"],
1899 "uid" => $importer["importer_uid"],
1901 "link" => System::baseUrl()."/notifications/intros",
1902 "source_name" => $importer["name"],
1903 "source_link" => $importer["url"],
1904 "source_photo" => $importer["photo"],
1905 "verb" => ACTIVITY_REQ_FRIEND,
1913 * @brief Processes the relocation elements
1915 * @param object $xpath XPath object
1916 * @param object $relocation relocation elements
1917 * @param array $importer Record of the importer user mixed with contact of the content
1919 * @todo Find good type-hints for all parameter
1921 private static function processRelocation($xpath, $relocation, $importer)
1923 logger("Processing relocations");
1925 /// @TODO Rewrite this to one statement
1927 $relocate["uid"] = $importer["importer_uid"];
1928 $relocate["cid"] = $importer["id"];
1929 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1930 $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue;
1931 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1932 $relocate["avatar"] = $xpath->query("dfrn:avatar/text()", $relocation)->item(0)->nodeValue;
1933 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1934 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1935 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1936 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1937 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1938 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1939 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1940 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1942 if (($relocate["avatar"] == "") && ($relocate["photo"] != "")) {
1943 $relocate["avatar"] = $relocate["photo"];
1946 if ($relocate["addr"] == "") {
1947 $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]);
1952 "SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;",
1953 intval($importer["id"]),
1954 intval($importer["importer_uid"])
1957 if (!DBM::is_result($r)) {
1958 logger("Query failed to execute, no result returned in " . __FUNCTION__);
1964 // Update the gcontact entry
1965 $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]);
1968 "UPDATE `gcontact` SET
1977 WHERE `nurl` = '%s';",
1978 dbesc($relocate["name"]),
1979 dbesc($relocate["avatar"]),
1980 dbesc($relocate["url"]),
1981 dbesc(normalise_link($relocate["url"])),
1982 dbesc($relocate["addr"]),
1983 dbesc($relocate["addr"]),
1984 dbesc($relocate["notify"]),
1985 dbesc($relocate["server_url"]),
1986 dbesc(normalise_link($old["url"]))
1989 // Update the contact table. We try to find every entry.
1991 "UPDATE `contact` SET
2001 `site-pubkey` = '%s'
2002 WHERE (`id` = %d AND `uid` = %d) OR (`nurl` = '%s');",
2003 dbesc($relocate["name"]),
2004 dbesc($relocate["avatar"]),
2005 dbesc($relocate["url"]),
2006 dbesc(normalise_link($relocate["url"])),
2007 dbesc($relocate["addr"]),
2008 dbesc($relocate["request"]),
2009 dbesc($relocate["confirm"]),
2010 dbesc($relocate["notify"]),
2011 dbesc($relocate["poll"]),
2012 dbesc($relocate["sitepubkey"]),
2013 intval($importer["id"]),
2014 intval($importer["importer_uid"]),
2015 dbesc(normalise_link($old["url"]))
2018 Contact::updateAvatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true);
2025 /// @todo This is an extreme performance killer
2027 'owner-link' => [$old["url"], $relocate["url"]],
2028 'author-link' => [$old["url"], $relocate["url"]],
2029 //'owner-avatar' => array($old["photo"], $relocate["photo"]),
2030 //'author-avatar' => array($old["photo"], $relocate["photo"]),
2032 foreach ($fields as $n => $f) {
2034 "SELECT `id` FROM `item` WHERE `%s` = '%s' AND `uid` = %d LIMIT 1",
2037 intval($importer["importer_uid"])
2040 if (DBM::is_result($r)) {
2042 "UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
2047 intval($importer["importer_uid"])
2057 /// merge with current record, current contents have priority
2058 /// update record, set url-updated
2059 /// update profile photos
2060 /// schedule a scan?
2065 * @brief Updates an item
2067 * @param array $current the current item record
2068 * @param array $item the new item record
2069 * @param array $importer Record of the importer user mixed with contact of the content
2070 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2072 * @todo set proper type-hints (array?)
2074 private static function updateContent($current, $item, $importer, $entrytype)
2078 if (edited_timestamp_is_newer($current, $item)) {
2079 // do not accept (ignore) an earlier edit than one we currently have.
2080 if (datetime_convert("UTC", "UTC", $item["edited"]) < $current["edited"]) {
2084 $fields = ['title' => $item["title"], 'body' => $item["body"],
2085 'tag' => $item["tag"], 'changed' => datetime_convert(),
2086 'edited' => datetime_convert("UTC", "UTC", $item["edited"])];
2088 $condition = ["`uri` = ? AND `uid` IN (0, ?)", $item["uri"], $importer["importer_uid"]];
2089 dba::update('item', $fields, $condition);
2091 create_tags_from_itemuri($item["uri"], $importer["importer_uid"]);
2092 update_thread_uri($item["uri"], $importer["importer_uid"]);
2096 if ($entrytype == DFRN_REPLY_RC) {
2097 Worker::add(PRIORITY_HIGH, "Notifier", "comment-import", $current["id"]);
2104 * @brief Detects the entry type of the item
2106 * @param array $importer Record of the importer user mixed with contact of the content
2107 * @param array $item the new item record
2109 * @return int Is it a toplevel entry, a comment or a relayed comment?
2110 * @todo set proper type-hints (array?)
2112 private static function getEntryType($importer, $item)
2114 if ($item["parent-uri"] != $item["uri"]) {
2117 if ($importer["page-flags"] == PAGE_COMMUNITY || $importer["page-flags"] == PAGE_PRVGROUP) {
2120 logger("possible community action");
2122 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
2125 // was the top-level post for this action written by somebody on this site?
2126 // Specifically, the recipient?
2128 $is_a_remote_action = false;
2131 "SELECT `item`.`parent-uri` FROM `item`
2132 WHERE `item`.`uri` = '%s'
2134 dbesc($item["parent-uri"])
2136 if (DBM::is_result($r)) {
2138 "SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
2139 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
2140 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
2141 AND `item`.`uid` = %d
2144 dbesc($r[0]["parent-uri"]),
2145 dbesc($r[0]["parent-uri"]),
2146 dbesc($r[0]["parent-uri"]),
2147 intval($importer["importer_uid"])
2149 if (DBM::is_result($r)) {
2150 $is_a_remote_action = true;
2155 * Does this have the characteristics of a community or private group action?
2156 * If it's an action to a wall post on a community/prvgroup page it's a
2157 * valid community action. Also forum_mode makes it valid for sure.
2158 * If neither, it's not.
2160 if ($is_a_remote_action && $community && (!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
2161 $is_a_remote_action = false;
2162 logger("not a community action");
2165 if ($is_a_remote_action) {
2166 return DFRN_REPLY_RC;
2171 return DFRN_TOP_LEVEL;
2176 * @brief Send a "poke"
2178 * @param array $item the new item record
2179 * @param array $importer Record of the importer user mixed with contact of the content
2180 * @param int $posted_id The record number of item record that was just posted
2182 * @todo set proper type-hints (array?)
2184 private static function doPoke($item, $importer, $posted_id)
2186 $verb = urldecode(substr($item["verb"], strpos($item["verb"], "#")+1));
2190 $xo = parse_xml_string($item["object"], false);
2192 if (($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) {
2193 // somebody was poked/prodded. Was it me?
2194 foreach ($xo->link as $l) {
2195 $atts = $l->attributes();
2196 switch ($atts["rel"]) {
2198 $Blink = $atts["href"];
2205 if ($Blink && link_compare($Blink, System::baseUrl() . "/profile/" . $importer["nickname"])) {
2206 // send a notification
2209 "type" => NOTIFY_POKE,
2210 "notify_flags" => $importer["notify-flags"],
2211 "language" => $importer["language"],
2212 "to_name" => $importer["username"],
2213 "to_email" => $importer["email"],
2214 "uid" => $importer["importer_uid"],
2216 "link" => System::baseUrl()."/display/".urlencode(get_item_guid($posted_id)),
2217 "source_name" => stripslashes($item["author-name"]),
2218 "source_link" => $item["author-link"],
2219 "source_photo" => ((link_compare($item["author-link"], $importer["url"]))
2220 ? $importer["thumb"] : $item["author-avatar"]),
2221 "verb" => $item["verb"],
2222 "otype" => "person",
2223 "activity" => $verb,
2224 "parent" => $item["parent"]]
2231 * @brief Processes several actions, depending on the verb
2233 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2234 * @param array $importer Record of the importer user mixed with contact of the content
2235 * @param array $item the new item record
2236 * @param bool $is_like Is the verb a "like"?
2238 * @return bool Should the processing of the entries be continued?
2239 * @todo set proper type-hints (array?)
2241 private static function processVerbs($entrytype, $importer, &$item, &$is_like)
2243 logger("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, LOGGER_DEBUG);
2245 if (($entrytype == DFRN_TOP_LEVEL)) {
2246 // The filling of the the "contact" variable is done for legcy reasons
2247 // The functions below are partly used by ostatus.php as well - where we have this variable
2248 $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"]));
2250 $nickname = $contact["nick"];
2252 // Big question: Do we need these functions? They were part of the "consume_feed" function.
2253 // This function once was responsible for DFRN and OStatus.
2254 if (activity_match($item["verb"], ACTIVITY_FOLLOW)) {
2255 logger("New follower");
2256 new_follower($importer, $contact, $item, $nickname);
2259 if (activity_match($item["verb"], ACTIVITY_UNFOLLOW)) {
2260 logger("Lost follower");
2261 lose_follower($importer, $contact, $item);
2264 if (activity_match($item["verb"], ACTIVITY_REQ_FRIEND)) {
2265 logger("New friend request");
2266 new_follower($importer, $contact, $item, $nickname, true);
2269 if (activity_match($item["verb"], ACTIVITY_UNFRIEND)) {
2270 logger("Lost sharer");
2271 lose_sharer($importer, $contact, $item);
2275 if (($item["verb"] == ACTIVITY_LIKE)
2276 || ($item["verb"] == ACTIVITY_DISLIKE)
2277 || ($item["verb"] == ACTIVITY_ATTEND)
2278 || ($item["verb"] == ACTIVITY_ATTENDNO)
2279 || ($item["verb"] == ACTIVITY_ATTENDMAYBE)
2282 $item["type"] = "activity";
2283 $item["gravity"] = GRAVITY_LIKE;
2284 // only one like or dislike per person
2285 // splitted into two queries for performance issues
2287 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `parent-uri` = '%s' AND NOT `deleted` LIMIT 1",
2288 intval($item["uid"]),
2289 dbesc($item["author-link"]),
2290 dbesc($item["verb"]),
2291 dbesc($item["parent-uri"])
2293 if (DBM::is_result($r)) {
2298 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `thr-parent` = '%s' AND NOT `deleted` LIMIT 1",
2299 intval($item["uid"]),
2300 dbesc($item["author-link"]),
2301 dbesc($item["verb"]),
2302 dbesc($item["parent-uri"])
2304 if (DBM::is_result($r)) {
2311 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2312 $xo = parse_xml_string($item["object"], false);
2313 $xt = parse_xml_string($item["target"], false);
2315 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2317 "SELECT `id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2319 intval($importer["importer_uid"])
2322 if (!DBM::is_result($r)) {
2323 logger("Query failed to execute, no result returned in " . __FUNCTION__);
2327 // extract tag, if not duplicate, add to parent item
2329 if (!(stristr($r[0]["tag"], trim($xo->content)))) {
2331 "UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2332 dbesc($r[0]["tag"] . (strlen($r[0]["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]'),
2335 create_tags_from_item($r[0]["id"]);
2345 * @brief Processes the link elements
2347 * @param object $links link elements
2348 * @param array $item the item record
2350 * @todo set proper type-hints
2352 private static function parseLinks($links, &$item)
2359 foreach ($links as $link) {
2360 foreach ($link->attributes as $attributes) {
2361 switch ($attributes->name) {
2362 case "href" : $href = $attributes->textContent; break;
2363 case "rel" : $rel = $attributes->textContent; break;
2364 case "type" : $type = $attributes->textContent; break;
2365 case "length": $length = $attributes->textContent; break;
2366 case "title" : $title = $attributes->textContent; break;
2369 if (($rel != "") && ($href != "")) {
2372 $item["plink"] = $href;
2376 if (strlen($item["attach"])) {
2377 $item["attach"] .= ",";
2380 $item["attach"] .= '[attach]href="' . $href . '" length="' . $length . '" type="' . $type . '" title="' . $title . '"[/attach]';
2388 * @brief Processes the entry elements which contain the items and comments
2390 * @param array $header Array of the header elements that always stay the same
2391 * @param object $xpath XPath object
2392 * @param object $entry entry elements
2393 * @param array $importer Record of the importer user mixed with contact of the content
2394 * @param object $xml xml
2396 * @todo Add type-hints
2398 private static function processEntry($header, $xpath, $entry, $importer, $xml)
2400 logger("Processing entries");
2404 $item["protocol"] = PROTOCOL_DFRN;
2406 $item["source"] = $xml;
2409 $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue;
2411 $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue;
2414 "SELECT `id`, `uid`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2415 dbesc($item["uri"]),
2416 intval($importer["importer_uid"])
2419 // Is there an existing item?
2420 if (DBM::is_result($current) && edited_timestamp_is_newer($current[0], $item)
2421 && (datetime_convert("UTC", "UTC", $item["edited"]) < $current[0]["edited"])
2423 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2428 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true);
2430 $item["owner-name"] = $owner["name"];
2431 $item["owner-link"] = $owner["link"];
2432 $item["owner-avatar"] = $owner["avatar"];
2435 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true);
2437 $item["author-name"] = $author["name"];
2438 $item["author-link"] = $author["link"];
2439 $item["author-avatar"] = $author["avatar"];
2441 $item["title"] = $xpath->query("atom:title/text()", $entry)->item(0)->nodeValue;
2443 $item["created"] = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2445 $item["body"] = $xpath->query("dfrn:env/text()", $entry)->item(0)->nodeValue;
2446 $item["body"] = str_replace([' ',"\t","\r","\n"], ['','','',''], $item["body"]);
2447 // make sure nobody is trying to sneak some html tags by us
2448 $item["body"] = notags(base64url_decode($item["body"]));
2450 $item["body"] = limit_body_size($item["body"]);
2452 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
2453 if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) {
2454 $base_url = get_app()->get_baseurl();
2455 $item['body'] = reltoabs($item['body'], $base_url);
2457 $item['body'] = html2bb_video($item['body']);
2459 $item['body'] = OEmbed::HTML2BBCode($item['body']);
2461 $config = HTMLPurifier_Config::createDefault();
2462 $config->set('Cache.DefinitionImpl', null);
2464 // we shouldn't need a whitelist, because the bbcode converter
2465 // will strip out any unsupported tags.
2467 $purifier = new HTMLPurifier($config);
2468 $item['body'] = $purifier->purify($item['body']);
2470 $item['body'] = @html2bbcode($item['body']);
2473 /// @todo We should check for a repeated post and if we know the repeated author.
2475 // We don't need the content element since "dfrn:env" is always present
2476 //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue;
2478 $item["location"] = $xpath->query("dfrn:location/text()", $entry)->item(0)->nodeValue;
2480 $georsspoint = $xpath->query("georss:point", $entry);
2482 $item["coord"] = $georsspoint->item(0)->nodeValue;
2485 $item["private"] = $xpath->query("dfrn:private/text()", $entry)->item(0)->nodeValue;
2487 $item["extid"] = $xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue;
2489 if ($xpath->query("dfrn:bookmark/text()", $entry)->item(0)->nodeValue == "true") {
2490 $item["bookmark"] = true;
2493 $notice_info = $xpath->query("statusnet:notice_info", $entry);
2494 if ($notice_info && ($notice_info->length > 0)) {
2495 foreach ($notice_info->item(0)->attributes as $attributes) {
2496 if ($attributes->name == "source") {
2497 $item["app"] = strip_tags($attributes->textContent);
2502 $item["guid"] = $xpath->query("dfrn:diaspora_guid/text()", $entry)->item(0)->nodeValue;
2504 // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "item_store"
2505 $dsprsig = unxmlify($xpath->query("dfrn:diaspora_signature/text()", $entry)->item(0)->nodeValue);
2506 if ($dsprsig != "") {
2507 $item["dsprsig"] = $dsprsig;
2510 $item["verb"] = $xpath->query("activity:verb/text()", $entry)->item(0)->nodeValue;
2512 if ($xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue != "") {
2513 $item["object-type"] = $xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue;
2516 $object = $xpath->query("activity:object", $entry)->item(0);
2517 $item["object"] = self::transformActivity($xpath, $object, "object");
2519 if (trim($item["object"]) != "") {
2520 $r = parse_xml_string($item["object"], false);
2521 if (isset($r->type)) {
2522 $item["object-type"] = $r->type;
2526 $target = $xpath->query("activity:target", $entry)->item(0);
2527 $item["target"] = self::transformActivity($xpath, $target, "target");
2529 $categories = $xpath->query("atom:category", $entry);
2531 foreach ($categories as $category) {
2534 foreach ($category->attributes as $attributes) {
2535 if ($attributes->name == "term") {
2536 $term = $attributes->textContent;
2539 if ($attributes->name == "scheme") {
2540 $scheme = $attributes->textContent;
2544 if (($term != "") && ($scheme != "")) {
2545 $parts = explode(":", $scheme);
2546 if ((count($parts) >= 4) && (array_shift($parts) == "X-DFRN")) {
2547 $termhash = array_shift($parts);
2548 $termurl = implode(":", $parts);
2550 if (strlen($item["tag"])) {
2551 $item["tag"] .= ",";
2554 $item["tag"] .= $termhash . "[url=" . $termurl . "]" . $term . "[/url]";
2562 $links = $xpath->query("atom:link", $entry);
2564 self::parseLinks($links, $item);
2567 $item['conversation-uri'] = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
2569 $conv = $xpath->query('ostatus:conversation', $entry);
2570 if (is_object($conv->item(0))) {
2571 foreach ($conv->item(0)->attributes as $attributes) {
2572 if ($attributes->name == "ref") {
2573 $item['conversation-uri'] = $attributes->textContent;
2575 if ($attributes->name == "href") {
2576 $item['conversation-href'] = $attributes->textContent;
2581 // Is it a reply or a top level posting?
2582 $item["parent-uri"] = $item["uri"];
2584 $inreplyto = $xpath->query("thr:in-reply-to", $entry);
2585 if (is_object($inreplyto->item(0))) {
2586 foreach ($inreplyto->item(0)->attributes as $attributes) {
2587 if ($attributes->name == "ref") {
2588 $item["parent-uri"] = $attributes->textContent;
2593 // Get the type of the item (Top level post, reply or remote reply)
2594 $entrytype = self::getEntryType($importer, $item);
2596 // Now assign the rest of the values that depend on the type of the message
2597 if (in_array($entrytype, [DFRN_REPLY, DFRN_REPLY_RC])) {
2598 if (!isset($item["object-type"])) {
2599 $item["object-type"] = ACTIVITY_OBJ_COMMENT;
2602 if ($item["contact-id"] != $owner["contact-id"]) {
2603 $item["contact-id"] = $owner["contact-id"];
2606 if (($item["network"] != $owner["network"]) && ($owner["network"] != "")) {
2607 $item["network"] = $owner["network"];
2610 if ($item["contact-id"] != $author["contact-id"]) {
2611 $item["contact-id"] = $author["contact-id"];
2614 if (($item["network"] != $author["network"]) && ($author["network"] != "")) {
2615 $item["network"] = $author["network"];
2619 if ($entrytype == DFRN_REPLY_RC) {
2620 $item["type"] = "remote-comment";
2622 } elseif ($entrytype == DFRN_TOP_LEVEL) {
2623 if (!isset($item["object-type"])) {
2624 $item["object-type"] = ACTIVITY_OBJ_NOTE;
2628 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2629 logger("Item ".$item["uri"]." seems to contain an event.", LOGGER_DEBUG);
2630 $ev = bbtoevent($item["body"]);
2631 if ((x($ev, "desc") || x($ev, "summary")) && x($ev, "start")) {
2632 logger("Event in item ".$item["uri"]." was found.", LOGGER_DEBUG);
2633 $ev["cid"] = $importer["id"];
2634 $ev["uid"] = $importer["uid"];
2635 $ev["uri"] = $item["uri"];
2636 $ev["edited"] = $item["edited"];
2637 $ev["private"] = $item["private"];
2638 $ev["guid"] = $item["guid"];
2641 "SELECT `id` FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2642 dbesc($item["uri"]),
2643 intval($importer["uid"])
2645 if (DBM::is_result($r)) {
2646 $ev["id"] = $r[0]["id"];
2649 $event_id = event_store($ev);
2650 logger("Event ".$event_id." was stored", LOGGER_DEBUG);
2656 if (!self::processVerbs($entrytype, $importer, $item, $is_like)) {
2657 logger("Exiting because 'processVerbs' told us so", LOGGER_DEBUG);
2661 // Update content if 'updated' changes
2662 if (DBM::is_result($current)) {
2663 if (self::updateContent($r[0], $item, $importer, $entrytype)) {
2664 logger("Item ".$item["uri"]." was updated.", LOGGER_DEBUG);
2666 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2671 if (in_array($entrytype, [DFRN_REPLY, DFRN_REPLY_RC])) {
2672 $posted_id = item_store($item);
2676 logger("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, LOGGER_DEBUG);
2678 $item["id"] = $posted_id;
2681 "SELECT `parent`, `parent-uri` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
2683 intval($importer["importer_uid"])
2685 if (DBM::is_result($r)) {
2686 $parent = $r[0]["parent"];
2687 $parent_uri = $r[0]["parent-uri"];
2690 if ($posted_id && $parent && ($entrytype == DFRN_REPLY_RC)) {
2691 logger("Notifying followers about comment ".$posted_id, LOGGER_DEBUG);
2692 Worker::add(PRIORITY_HIGH, "Notifier", "comment-import", $posted_id);
2697 } else { // $entrytype == DFRN_TOP_LEVEL
2698 if (!link_compare($item["owner-link"], $importer["url"])) {
2700 * The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
2701 * but otherwise there's a possible data mixup on the sender's system.
2702 * the tgroup delivery code called from item_store will correct it if it's a forum,
2703 * but we're going to unconditionally correct it here so that the post will always be owned by our contact.
2705 logger('Correcting item owner.', LOGGER_DEBUG);
2706 $item["owner-name"] = $importer["senderName"];
2707 $item["owner-link"] = $importer["url"];
2708 $item["owner-avatar"] = $importer["thumb"];
2711 if (($importer["rel"] == CONTACT_IS_FOLLOWER) && (!tgroup_check($importer["importer_uid"], $item))) {
2712 logger("Contact ".$importer["id"]." is only follower and tgroup check was negative.", LOGGER_DEBUG);
2716 // This is my contact on another system, but it's really me.
2717 // Turn this into a wall post.
2718 $notify = item_is_remote_self($importer, $item);
2720 $posted_id = item_store($item, false, $notify);
2722 logger("Item was stored with id ".$posted_id, LOGGER_DEBUG);
2724 if (stristr($item["verb"], ACTIVITY_POKE)) {
2725 self::doPoke($item, $importer, $posted_id);
2731 * @brief Deletes items
2733 * @param object $xpath XPath object
2734 * @param object $deletion deletion elements
2735 * @param array $importer Record of the importer user mixed with contact of the content
2737 * @todo set proper type-hints
2739 private static function processDeletion($xpath, $deletion, $importer)
2741 logger("Processing deletions");
2743 foreach ($deletion->attributes as $attributes) {
2744 if ($attributes->name == "ref") {
2745 $uri = $attributes->textContent;
2747 if ($attributes->name == "when") {
2748 $when = $attributes->textContent;
2752 $when = datetime_convert("UTC", "UTC", $when, "Y-m-d H:i:s");
2754 $when = datetime_convert("UTC", "UTC", "now", "Y-m-d H:i:s");
2757 if (!$uri || !$importer["id"]) {
2761 /// @todo Only select the used fields
2763 "SELECT `item`.*, `contact`.`self` FROM `item` INNER JOIN `contact` on `item`.`contact-id` = `contact`.`id`
2764 WHERE `uri` = '%s' AND `item`.`uid` = %d AND `contact-id` = %d AND NOT `item`.`file` LIKE '%%[%%' LIMIT 1",
2766 intval($importer["uid"]),
2767 intval($importer["id"])
2769 if (!DBM::is_result($r)) {
2770 logger("Item with uri " . $uri . " from contact " . $importer["id"] . " for user " . $importer["uid"] . " wasn't found.", LOGGER_DEBUG);
2775 $entrytype = self::getEntryType($importer, $item);
2777 if (!$item["deleted"]) {
2778 logger('deleting item '.$item["id"].' uri='.$uri, LOGGER_DEBUG);
2783 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2784 logger("Deleting event ".$item["event-id"], LOGGER_DEBUG);
2785 event_delete($item["event-id"]);
2788 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2789 $xo = parse_xml_string($item["object"], false);
2790 $xt = parse_xml_string($item["target"], false);
2792 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2794 "SELECT `id`, `contact-id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2796 intval($importer["importer_uid"])
2798 if (DBM::is_result($i)) {
2799 // For tags, the owner cannot remove the tag on the author's copy of the post.
2801 $owner_remove = (($item["contact-id"] == $i[0]["contact-id"]) ? true: false);
2802 $author_remove = (($item["origin"] && $item["self"]) ? true : false);
2803 $author_copy = (($item["origin"]) ? true : false);
2805 if ($owner_remove && $author_copy) {
2808 if ($author_remove || $owner_remove) {
2809 $tags = explode(',', $i[0]["tag"]);
2812 foreach ($tags as $tag) {
2813 if (trim($tag) !== trim($xo->body)) {
2814 $newtags[] = trim($tag);
2819 "UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2820 dbesc(implode(',', $newtags)),
2823 create_tags_from_item($i[0]["id"]);
2829 if ($entrytype == DFRN_TOP_LEVEL) {
2831 "UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2832 `body` = '', `title` = ''
2833 WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2835 dbesc(datetime_convert()),
2837 intval($importer["uid"])
2839 create_tags_from_itemuri($uri, $importer["uid"]);
2840 Term::createFromItemURI($uri, $importer["uid"]);
2841 update_thread_uri($uri, $importer["uid"]);
2844 "UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2845 `body` = '', `title` = ''
2846 WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2848 dbesc(datetime_convert()),
2850 intval($importer["uid"])
2852 create_tags_from_itemuri($uri, $importer["uid"]);
2853 Term::createFromItemURI($uri, $importer["uid"]);
2854 update_thread_uri($uri, $importer["importer_uid"]);
2856 // if this is a relayed delete, propagate it to other recipients
2858 if ($entrytype == DFRN_REPLY_RC) {
2859 logger("Notifying followers about deletion of post " . $item["id"], LOGGER_DEBUG);
2860 Worker::add(PRIORITY_HIGH, "Notifier", "drop", $item["id"]);
2867 * @brief Imports a DFRN message
2869 * @param string $xml The DFRN message
2870 * @param array $importer Record of the importer user mixed with contact of the content
2871 * @param bool $sort_by_date Is used when feeds are polled
2872 * @return integer Import status
2873 * @todo set proper type-hints
2875 public static function import($xml, $importer, $sort_by_date = false)
2881 $doc = new DOMDocument();
2882 @$doc->loadXML($xml);
2884 $xpath = new DOMXPath($doc);
2885 $xpath->registerNamespace("atom", NAMESPACE_ATOM1);
2886 $xpath->registerNamespace("thr", NAMESPACE_THREAD);
2887 $xpath->registerNamespace("at", NAMESPACE_TOMB);
2888 $xpath->registerNamespace("media", NAMESPACE_MEDIA);
2889 $xpath->registerNamespace("dfrn", NAMESPACE_DFRN);
2890 $xpath->registerNamespace("activity", NAMESPACE_ACTIVITY);
2891 $xpath->registerNamespace("georss", NAMESPACE_GEORSS);
2892 $xpath->registerNamespace("poco", NAMESPACE_POCO);
2893 $xpath->registerNamespace("ostatus", NAMESPACE_OSTATUS);
2894 $xpath->registerNamespace("statusnet", NAMESPACE_STATUSNET);
2897 $header["uid"] = $importer["uid"];
2898 $header["network"] = NETWORK_DFRN;
2899 $header["type"] = "remote";
2900 $header["wall"] = 0;
2901 $header["origin"] = 0;
2902 $header["contact-id"] = $importer["id"];
2904 // Update the contact table if the data has changed
2906 // The "atom:author" is only present in feeds
2907 if ($xpath->query("/atom:feed/atom:author")->length > 0) {
2908 self::fetchauthor($xpath, $doc->firstChild, $importer, "atom:author", false, $xml);
2911 // Only the "dfrn:owner" in the head section contains all data
2912 if ($xpath->query("/atom:feed/dfrn:owner")->length > 0) {
2913 self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false, $xml);
2916 logger("Import DFRN message for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);
2918 // The account type is new since 3.5.1
2919 if ($xpath->query("/atom:feed/dfrn:account_type")->length > 0) {
2920 $accounttype = intval($xpath->evaluate("/atom:feed/dfrn:account_type/text()")->item(0)->nodeValue);
2922 if ($accounttype != $importer["contact-type"]) {
2923 dba::update('contact', ['contact-type' => $accounttype], ['id' => $importer["id"]]);
2927 // is it a public forum? Private forums aren't supported with this method
2928 // This is deprecated since 3.5.1
2929 $forum = intval($xpath->evaluate("/atom:feed/dfrn:community/text()")->item(0)->nodeValue);
2931 if ($forum != $importer["forum"]) {
2932 $condition = ['`forum` != ? AND `id` = ?', $forum, $importer["id"]];
2933 dba::update('contact', ['forum' => $forum], $condition);
2936 // We are processing relocations even if we are ignoring a contact
2937 $relocations = $xpath->query("/atom:feed/dfrn:relocate");
2938 foreach ($relocations as $relocation) {
2939 self::processRelocation($xpath, $relocation, $importer);
2942 if ($importer["readonly"]) {
2943 // We aren't receiving stuff from this person. But we will quietly ignore them
2944 // rather than a blatant "go away" message.
2945 logger('ignoring contact '.$importer["id"]);
2949 $mails = $xpath->query("/atom:feed/dfrn:mail");
2950 foreach ($mails as $mail) {
2951 self::processMail($xpath, $mail, $importer);
2954 $suggestions = $xpath->query("/atom:feed/dfrn:suggest");
2955 foreach ($suggestions as $suggestion) {
2956 self::processSuggestion($xpath, $suggestion, $importer);
2959 $deletions = $xpath->query("/atom:feed/at:deleted-entry");
2960 foreach ($deletions as $deletion) {
2961 self::processDeletion($xpath, $deletion, $importer);
2964 if (!$sort_by_date) {
2965 $entries = $xpath->query("/atom:feed/atom:entry");
2966 foreach ($entries as $entry) {
2967 self::processEntry($header, $xpath, $entry, $importer, $xml);
2971 $entries = $xpath->query("/atom:feed/atom:entry");
2972 foreach ($entries as $entry) {
2973 $created = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2974 $newentries[strtotime($created)] = $entry;
2977 // Now sort after the publishing date
2980 foreach ($newentries as $entry) {
2981 self::processEntry($header, $xpath, $entry, $importer, $xml);
2984 logger("Import done for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);
2990 * @param string $contact_nick contact nickname
2992 public static function autoRedir(App $a, $contact_nick)
2995 if (x($_REQUEST, 'redir') && intval($_REQUEST['redir'])) {
2999 if ((! $contact_nick) || ($contact_nick === $a->user['nickname'])) {
3004 // We need to find out if $contact_nick is a user on this hub, and if so, if I
3005 // am a contact of that user. However, that user may have other contacts with the
3006 // same nickname as me on other hubs or other networks. Exclude these by requiring
3007 // that the contact have a local URL. I will be the only person with my nickname at
3008 // this URL, so if a result is found, then I am a contact of the $contact_nick user.
3010 // We also have to make sure that I'm a legitimate contact--I'm not blocked or pending.
3012 $baseurl = System::baseUrl();
3013 $domain_st = strpos($baseurl, "://");
3014 if ($domain_st === false) {
3017 $baseurl = substr($baseurl, $domain_st + 3);
3018 $nurl = normalise_link($baseurl);
3020 /// @todo Why is there a query for "url" *and* "nurl"? Especially this normalising is strange.
3021 $r = q("SELECT `id` FROM `contact` WHERE `uid` = (SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1)
3022 AND `nick` = '%s' AND NOT `self` AND (`url` LIKE '%%%s%%' OR `nurl` LIKE '%%%s%%') AND NOT `blocked` AND NOT `pending` LIMIT 1",
3023 dbesc($contact_nick),
3024 dbesc($a->user['nickname']),
3028 if ((! DBM::is_result($r)) || $r[0]['id'] == remote_user()) {
3032 $r = q("SELECT * FROM contact WHERE nick = '%s'
3033 AND network = '%s' AND uid = %d AND url LIKE '%%%s%%' LIMIT 1",
3034 dbesc($contact_nick),
3035 dbesc(NETWORK_DFRN),
3036 intval(local_user()),
3039 if (! DBM::is_result($r)) {
3045 $dfrn_id = (($r[0]['issued-id']) ? $r[0]['issued-id'] : $r[0]['dfrn-id']);
3047 if ($r[0]['duplex'] && $r[0]['issued-id']) {
3048 $orig_id = $r[0]['issued-id'];
3049 $dfrn_id = '1:' . $orig_id;
3051 if ($r[0]['duplex'] && $r[0]['dfrn-id']) {
3052 $orig_id = $r[0]['dfrn-id'];
3053 $dfrn_id = '0:' . $orig_id;
3056 // ensure that we've got a valid ID. There may be some edge cases with forums and non-duplex mode
3057 // that may have triggered some of the "went to {profile/intro} and got an RSS feed" issues
3059 if (strlen($dfrn_id) < 3) {
3063 $sec = random_string();
3065 dba::insert('profile_check', ['uid' => local_user(), 'cid' => $cid, 'dfrn_id' => $dfrn_id, 'sec' => $sec, 'expire' => time() + 45]);
3067 $url = curPageURL();
3069 logger('auto_redir: ' . $r[0]['name'] . ' ' . $sec, LOGGER_DEBUG);
3070 $dest = (($url) ? '&destination_url=' . $url : '');
3071 goaway($r[0]['poll'] . '?dfrn_id=' . $dfrn_id
3072 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=' . $sec . $dest);
3079 * @brief Returns the activity verb
3081 * @param array $item Item array
3083 * @return string activity verb
3085 private static function constructVerb(array $item)
3087 if ($item['verb']) {
3088 return $item['verb'];
3090 return ACTIVITY_POST;