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;
11 use Friendica\Core\Config;
12 use Friendica\Core\System;
13 use Friendica\Core\Worker;
14 use Friendica\Database\DBM;
15 use Friendica\Model\Contact;
16 use Friendica\Model\GContact;
17 use Friendica\Model\Profile;
18 use Friendica\Object\Image;
19 use Friendica\Protocol\OStatus;
20 use Friendica\Util\XML;
26 require_once 'boot.php';
27 require_once 'include/dba.php';
28 require_once "include/enotify.php";
29 require_once "include/threads.php";
30 require_once "include/items.php";
31 require_once "include/tags.php";
32 require_once "include/files.php";
33 require_once "include/event.php";
34 require_once "include/text.php";
35 require_once "include/oembed.php";
36 require_once "include/html2bbcode.php";
37 require_once "include/bbcode.php";
40 * @brief This class contain functions to create and send DFRN XML files
45 const DFRN_TOP_LEVEL = 0; // Top level posting
46 const DFRN_REPLY = 1; // Regular reply that is stored locally
47 const DFRN_REPLY_RC = 2; // Reply that will be relayed
50 * @brief Generates the atom entries for delivery.php
52 * This function is used whenever content is transmitted via DFRN.
54 * @param array $items Item elements
55 * @param array $owner Owner record
57 * @return string DFRN entries
58 * @todo Add type-hints
60 public static function entries($items, $owner)
62 $doc = new DOMDocument('1.0', 'utf-8');
63 $doc->formatOutput = true;
65 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
67 if (! count($items)) {
68 return trim($doc->saveXML());
71 foreach ($items as $item) {
72 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
73 $root->appendChild($entry);
76 return(trim($doc->saveXML()));
80 * @brief Generate an atom feed for the given user
82 * This function is called when another server is pulling data from the user feed.
84 * @param string $dfrn_id DFRN ID from the requesting party
85 * @param string $owner_nick Owner nick name
86 * @param string $last_update Date of the last update
87 * @param int $direction Can be -1, 0 or 1.
88 * @param boolean $onlyheader Output only the header without content? (Default is "no")
90 * @return string DFRN feed entries
92 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false)
96 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
97 $public_feed = (($dfrn_id) ? false : true);
98 $starred = false; // not yet implemented, possible security issues
101 if ($public_feed && $a->argc > 2) {
102 for ($x = 2; $x < $a->argc; $x++) {
103 if ($a->argv[$x] == 'converse') {
106 if ($a->argv[$x] == 'starred') {
109 if ($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) {
110 $category = $a->argv[$x+1];
117 // default permissions - anonymous user
119 $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
122 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
123 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
124 WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
128 if (! DBM::is_result($r)) {
133 $owner_id = $owner['uid'];
134 $owner_nick = $owner['nickname'];
136 $sql_post_table = "";
138 if (! $public_feed) {
140 switch ($direction) {
142 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
146 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
147 $my_id = '1:' . $dfrn_id;
150 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
151 $my_id = '0:' . $dfrn_id;
159 "SELECT * FROM `contact` WHERE NOT `blocked` AND `contact`.`uid` = %d $sql_extra LIMIT 1",
163 if (! DBM::is_result($r)) {
168 include_once 'include/security.php';
169 $groups = init_groups_visitor($contact['id']);
171 if (count($groups)) {
172 for ($x = 0; $x < count($groups); $x ++)
173 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
174 $gs = implode('|', $groups);
176 $gs = '<<>>' ; // Impossible to match
179 $sql_extra = sprintf(
181 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
182 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
183 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
184 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
186 intval($contact['id']),
187 intval($contact['id']),
199 if (! strlen($last_update)) {
200 $last_update = 'now -30 days';
203 if (isset($category)) {
204 $sql_post_table = sprintf(
205 "INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
206 dbesc(protect_sprintf($category)),
207 intval(TERM_OBJ_POST),
208 intval(TERM_CATEGORY),
211 //$sql_extra .= file_tag_file_query('item',$category,'category');
216 $sql_extra .= " AND `contact`.`self` = 1 ";
220 $check_date = datetime_convert('UTC', 'UTC', $last_update, 'Y-m-d H:i:s');
223 "SELECT `item`.*, `item`.`id` AS `item_id`,
224 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
225 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
226 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
227 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
228 FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table
229 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
230 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
231 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
232 WHERE `item`.`uid` = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
233 AND `item`.`wall` AND `item`.`changed` > '%s'
235 ORDER BY `item`.`parent` ".$sort.", `item`.`created` ASC LIMIT 0, 300",
242 * Will check further below if this actually returned results.
243 * We will provide an empty feed if that is the case.
248 $doc = new DOMDocument('1.0', 'utf-8');
249 $doc->formatOutput = true;
251 $alternatelink = $owner['url'];
253 if (isset($category)) {
254 $alternatelink .= "/category/".$category;
258 $author = "dfrn:owner";
263 $root = self::addHeader($doc, $owner, $author, $alternatelink, true);
265 /// @TODO This hook can't work anymore
266 // call_hooks('atom_feed', $atom);
268 if (!DBM::is_result($items) || $onlyheader) {
269 $atom = trim($doc->saveXML());
271 call_hooks('atom_feed_end', $atom);
276 foreach ($items as $item) {
277 // prevent private email from leaking.
278 if ($item['network'] == NETWORK_MAIL) {
282 // public feeds get html, our own nodes use bbcode
286 // catch any email that's in a public conversation and make sure it doesn't leak
287 if ($item['private']) {
294 $entry = self::entry($doc, $type, $item, $owner, true);
295 $root->appendChild($entry);
298 $atom = trim($doc->saveXML());
300 call_hooks('atom_feed_end', $atom);
306 * @brief Generate an atom entry for a given item id
308 * @param int $item_id The item id
309 * @param boolean $conversation Show the conversation. If false show the single post.
311 * @return string DFRN feed entry
313 public static function itemFeed($item_id, $conversation = false)
316 $condition = '`item`.`parent`';
318 $condition = '`item`.`id`';
322 "SELECT `item`.*, `item`.`id` AS `item_id`,
323 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
324 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
325 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
326 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
328 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
329 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
330 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
331 WHERE %s = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
332 AND NOT `item`.`private`",
337 if (!DBM::is_result($r)) {
345 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
346 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
347 WHERE `contact`.`self` AND `user`.`uid` = %d LIMIT 1",
351 if (!DBM::is_result($r)) {
357 $doc = new DOMDocument('1.0', 'utf-8');
358 $doc->formatOutput = true;
362 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
363 $doc->appendChild($root);
365 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
366 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
367 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
368 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
369 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
370 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
371 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
372 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
373 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
375 //$root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
377 foreach ($items as $item) {
378 $entry = self::entry($doc, $type, $item, $owner, true, 0);
379 $root->appendChild($entry);
382 $root = self::entry($doc, $type, $item, $owner, true, 0, true);
385 $atom = trim($doc->saveXML());
390 * @brief Create XML text for DFRN mails
392 * @param array $item message elements
393 * @param array $owner Owner record
395 * @return string DFRN mail
396 * @todo Add type-hints
398 public static function mail($item, $owner)
400 $doc = new DOMDocument('1.0', 'utf-8');
401 $doc->formatOutput = true;
403 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
405 $mail = $doc->createElement("dfrn:mail");
406 $sender = $doc->createElement("dfrn:sender");
408 XML::addElement($doc, $sender, "dfrn:name", $owner['name']);
409 XML::addElement($doc, $sender, "dfrn:uri", $owner['url']);
410 XML::addElement($doc, $sender, "dfrn:avatar", $owner['thumb']);
412 $mail->appendChild($sender);
414 XML::addElement($doc, $mail, "dfrn:id", $item['uri']);
415 XML::addElement($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
416 XML::addElement($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00', ATOM_TIME));
417 XML::addElement($doc, $mail, "dfrn:subject", $item['title']);
418 XML::addElement($doc, $mail, "dfrn:content", $item['body']);
420 $root->appendChild($mail);
422 return(trim($doc->saveXML()));
426 * @brief Create XML text for DFRN friend suggestions
428 * @param array $item suggestion elements
429 * @param array $owner Owner record
431 * @return string DFRN suggestions
432 * @todo Add type-hints
434 public static function fsuggest($item, $owner)
436 $doc = new DOMDocument('1.0', 'utf-8');
437 $doc->formatOutput = true;
439 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
441 $suggest = $doc->createElement("dfrn:suggest");
443 XML::addElement($doc, $suggest, "dfrn:url", $item['url']);
444 XML::addElement($doc, $suggest, "dfrn:name", $item['name']);
445 XML::addElement($doc, $suggest, "dfrn:photo", $item['photo']);
446 XML::addElement($doc, $suggest, "dfrn:request", $item['request']);
447 XML::addElement($doc, $suggest, "dfrn:note", $item['note']);
449 $root->appendChild($suggest);
451 return(trim($doc->saveXML()));
455 * @brief Create XML text for DFRN relocations
457 * @param array $owner Owner record
458 * @param int $uid User ID
460 * @return string DFRN relocations
461 * @todo Add type-hints
463 public static function relocate($owner, $uid)
466 /* get site pubkey. this could be a new installation with no site keys*/
467 $pubkey = Config::get('system', 'site_pubkey');
469 $res = new_keypair(1024);
470 Config::set('system', 'site_prvkey', $res['prvkey']);
471 Config::set('system', 'site_pubkey', $res['pubkey']);
475 "SELECT `resource-id` , `scale`, type FROM `photo`
476 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;",
480 $ext = Image::supportedTypes();
482 foreach ($rp as $p) {
483 $photos[$p['scale']] = System::baseUrl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
488 $doc = new DOMDocument('1.0', 'utf-8');
489 $doc->formatOutput = true;
491 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
493 $relocate = $doc->createElement("dfrn:relocate");
495 XML::addElement($doc, $relocate, "dfrn:url", $owner['url']);
496 XML::addElement($doc, $relocate, "dfrn:name", $owner['name']);
497 XML::addElement($doc, $relocate, "dfrn:addr", $owner['addr']);
498 XML::addElement($doc, $relocate, "dfrn:avatar", $owner['avatar']);
499 XML::addElement($doc, $relocate, "dfrn:photo", $photos[4]);
500 XML::addElement($doc, $relocate, "dfrn:thumb", $photos[5]);
501 XML::addElement($doc, $relocate, "dfrn:micro", $photos[6]);
502 XML::addElement($doc, $relocate, "dfrn:request", $owner['request']);
503 XML::addElement($doc, $relocate, "dfrn:confirm", $owner['confirm']);
504 XML::addElement($doc, $relocate, "dfrn:notify", $owner['notify']);
505 XML::addElement($doc, $relocate, "dfrn:poll", $owner['poll']);
506 XML::addElement($doc, $relocate, "dfrn:sitepubkey", Config::get('system', 'site_pubkey'));
508 $root->appendChild($relocate);
510 return(trim($doc->saveXML()));
514 * @brief Adds the header elements for the DFRN protocol
516 * @param object $doc XML document
517 * @param array $owner Owner record
518 * @param string $authorelement Element name for the author
519 * @param string $alternatelink link to profile or category
520 * @param bool $public Is it a header for public posts?
522 * @return object XML root object
523 * @todo Add type-hints
525 private static function addHeader($doc, $owner, $authorelement, $alternatelink = "", $public = false)
528 if ($alternatelink == "") {
529 $alternatelink = $owner['url'];
532 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
533 $doc->appendChild($root);
535 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
536 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
537 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
538 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
539 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
540 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
541 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
542 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
543 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
545 XML::addElement($doc, $root, "id", System::baseUrl()."/profile/".$owner["nick"]);
546 XML::addElement($doc, $root, "title", $owner["name"]);
548 $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
549 XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
551 $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/");
552 XML::addElement($doc, $root, "link", "", $attributes);
554 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink);
555 XML::addElement($doc, $root, "link", "", $attributes);
559 // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
560 OStatus::hublinks($doc, $root, $owner["nick"]);
562 $attributes = array("rel" => "salmon", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
563 XML::addElement($doc, $root, "link", "", $attributes);
565 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
566 XML::addElement($doc, $root, "link", "", $attributes);
568 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
569 XML::addElement($doc, $root, "link", "", $attributes);
572 // For backward compatibility we keep this element
573 if ($owner['page-flags'] == PAGE_COMMUNITY) {
574 XML::addElement($doc, $root, "dfrn:community", 1);
577 // The former element is replaced by this one
578 XML::addElement($doc, $root, "dfrn:account_type", $owner["account-type"]);
580 /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP"
582 XML::addElement($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
584 $author = self::addAuthor($doc, $owner, $authorelement, $public);
585 $root->appendChild($author);
591 * @brief Adds the author element in the header for the DFRN protocol
593 * @param object $doc XML document
594 * @param array $owner Owner record
595 * @param string $authorelement Element name for the author
596 * @param boolean $public boolean
598 * @return object XML author object
599 * @todo Add type-hints
601 private static function addAuthor($doc, $owner, $authorelement, $public)
603 // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
605 "SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
606 WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d",
607 intval($owner['uid'])
609 if (DBM::is_result($r)) {
615 $author = $doc->createElement($authorelement);
617 $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00', ATOM_TIME);
618 $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
619 $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
621 $attributes = array();
623 if (!$public || !$hidewall) {
624 $attributes = array("dfrn:updated" => $namdate);
627 XML::addElement($doc, $author, "name", $owner["name"], $attributes);
628 XML::addElement($doc, $author, "uri", System::baseUrl().'/profile/'.$owner["nickname"], $attributes);
629 XML::addElement($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
631 $attributes = array("rel" => "photo", "type" => "image/jpeg",
632 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
634 if (!$public || !$hidewall) {
635 $attributes["dfrn:updated"] = $picdate;
638 XML::addElement($doc, $author, "link", "", $attributes);
640 $attributes["rel"] = "avatar";
641 XML::addElement($doc, $author, "link", "", $attributes);
644 XML::addElement($doc, $author, "dfrn:hide", "true");
647 // The following fields will only be generated if the data isn't meant for a public feed
652 $birthday = feed_birthday($owner['uid'], $owner['timezone']);
655 XML::addElement($doc, $author, "dfrn:birthday", $birthday);
658 // Only show contact details when we are allowed to
660 "SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`,
661 `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
662 `profile`.`pub_keywords`, `profile`.`xmpp`, `profile`.`dob`
664 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
665 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
666 intval($owner['uid'])
668 if (DBM::is_result($r)) {
671 XML::addElement($doc, $author, "poco:displayName", $profile["name"]);
672 XML::addElement($doc, $author, "poco:updated", $namdate);
674 if (trim($profile["dob"]) > '0001-01-01') {
675 XML::addElement($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
678 XML::addElement($doc, $author, "poco:note", $profile["about"]);
679 XML::addElement($doc, $author, "poco:preferredUsername", $profile["nickname"]);
681 $savetz = date_default_timezone_get();
682 date_default_timezone_set($profile["timezone"]);
683 XML::addElement($doc, $author, "poco:utcOffset", date("P"));
684 date_default_timezone_set($savetz);
686 if (trim($profile["homepage"]) != "") {
687 $urls = $doc->createElement("poco:urls");
688 XML::addElement($doc, $urls, "poco:type", "homepage");
689 XML::addElement($doc, $urls, "poco:value", $profile["homepage"]);
690 XML::addElement($doc, $urls, "poco:primary", "true");
691 $author->appendChild($urls);
694 if (trim($profile["pub_keywords"]) != "") {
695 $keywords = explode(",", $profile["pub_keywords"]);
697 foreach ($keywords as $keyword) {
698 XML::addElement($doc, $author, "poco:tags", trim($keyword));
702 if (trim($profile["xmpp"]) != "") {
703 $ims = $doc->createElement("poco:ims");
704 XML::addElement($doc, $ims, "poco:type", "xmpp");
705 XML::addElement($doc, $ims, "poco:value", $profile["xmpp"]);
706 XML::addElement($doc, $ims, "poco:primary", "true");
707 $author->appendChild($ims);
710 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
711 $element = $doc->createElement("poco:address");
713 XML::addElement($doc, $element, "poco:formatted", Profile::formatLocation($profile));
715 if (trim($profile["locality"]) != "") {
716 XML::addElement($doc, $element, "poco:locality", $profile["locality"]);
719 if (trim($profile["region"]) != "") {
720 XML::addElement($doc, $element, "poco:region", $profile["region"]);
723 if (trim($profile["country-name"]) != "") {
724 XML::addElement($doc, $element, "poco:country", $profile["country-name"]);
727 $author->appendChild($element);
735 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
737 * @param object $doc XML document
738 * @param string $element Element name for the author
739 * @param string $contact_url Link of the contact
740 * @param array $item Item elements
742 * @return object XML author object
743 * @todo Add type-hints
745 private static function addEntryAuthor($doc, $element, $contact_url, $item)
747 $contact = Contact::getDetailsByURL($contact_url, $item["uid"]);
749 $author = $doc->createElement($element);
750 XML::addElement($doc, $author, "name", $contact["name"]);
751 XML::addElement($doc, $author, "uri", $contact["url"]);
752 XML::addElement($doc, $author, "dfrn:handle", $contact["addr"]);
755 /// - Check real image type and image size
756 /// - Check which of these boths elements we should use
759 "type" => "image/jpeg",
761 "media:height" => 80,
762 "href" => $contact["photo"]);
763 XML::addElement($doc, $author, "link", "", $attributes);
767 "type" => "image/jpeg",
769 "media:height" => 80,
770 "href" => $contact["photo"]);
771 XML::addElement($doc, $author, "link", "", $attributes);
777 * @brief Adds the activity elements
779 * @param object $doc XML document
780 * @param string $element Element name for the activity
781 * @param string $activity activity value
783 * @return object XML activity object
784 * @todo Add type-hints
786 private static function createActivity($doc, $element, $activity)
789 $entry = $doc->createElement($element);
791 $r = parse_xml_string($activity, false);
796 XML::addElement($doc, $entry, "activity:object-type", $r->type);
799 XML::addElement($doc, $entry, "id", $r->id);
802 XML::addElement($doc, $entry, "title", $r->title);
806 if (substr($r->link, 0, 1) == '<') {
807 if (strstr($r->link, '&') && (! strstr($r->link, '&'))) {
808 $r->link = str_replace('&', '&', $r->link);
811 $r->link = preg_replace('/\<link(.*?)\"\>/', '<link$1"/>', $r->link);
813 // XML does need a single element as root element so we add a dummy element here
814 $data = parse_xml_string("<dummy>" . $r->link . "</dummy>", false);
815 if (is_object($data)) {
816 foreach ($data->link as $link) {
817 $attributes = array();
818 foreach ($link->attributes() as $parameter => $value) {
819 $attributes[$parameter] = $value;
821 XML::addElement($doc, $entry, "link", "", $attributes);
825 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link);
826 XML::addElement($doc, $entry, "link", "", $attributes);
830 XML::addElement($doc, $entry, "content", bbcode($r->content), array("type" => "html"));
840 * @brief Adds the elements for attachments
842 * @param object $doc XML document
843 * @param object $root XML root
844 * @param array $item Item element
846 * @return object XML attachment object
847 * @todo Add type-hints
849 private static function getAttachment($doc, $root, $item)
851 $arr = explode('[/attach],', $item['attach']);
853 foreach ($arr as $r) {
855 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
857 $attributes = array("rel" => "enclosure",
858 "href" => $matches[1],
859 "type" => $matches[3]);
861 if (intval($matches[2])) {
862 $attributes["length"] = intval($matches[2]);
865 if (trim($matches[4]) != "") {
866 $attributes["title"] = trim($matches[4]);
869 XML::addElement($doc, $root, "link", "", $attributes);
876 * @brief Adds the "entry" elements for the DFRN protocol
878 * @param object $doc XML document
879 * @param string $type "text" or "html"
880 * @param array $item Item element
881 * @param array $owner Owner record
882 * @param bool $comment Trigger the sending of the "comment" element
883 * @param int $cid Contact ID of the recipient
884 * @param bool $single If set, the entry is created as an XML document with a single "entry" element
886 * @return object XML entry object
887 * @todo Add type-hints
889 private static function entry($doc, $type, $item, $owner, $comment = false, $cid = 0, $single = false)
891 $mentioned = array();
893 if (!$item['parent']) {
897 if ($item['deleted']) {
898 $attributes = array("ref" => $item['uri'], "when" => datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00', ATOM_TIME));
899 return XML::createElement($doc, "at:deleted-entry", "", $attributes);
903 $entry = $doc->createElement("entry");
905 $entry = $doc->createElementNS(NAMESPACE_ATOM1, 'entry');
906 $doc->appendChild($entry);
908 $entry->setAttribute("xmlns:thr", NAMESPACE_THREAD);
909 $entry->setAttribute("xmlns:at", NAMESPACE_TOMB);
910 $entry->setAttribute("xmlns:media", NAMESPACE_MEDIA);
911 $entry->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
912 $entry->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
913 $entry->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
914 $entry->setAttribute("xmlns:poco", NAMESPACE_POCO);
915 $entry->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
916 $entry->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
919 if ($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) {
920 $body = fix_private_photos($item['body'], $owner['uid'], $item, $cid);
922 $body = $item['body'];
925 // Remove the abstract element. It is only locally important.
926 $body = remove_abstract($body);
928 if ($type == 'html') {
931 if ($item['title'] != "") {
932 $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody;
935 $htmlbody = bbcode($htmlbody, false, false, 7);
938 $author = self::addEntryAuthor($doc, "author", $item["author-link"], $item);
939 $entry->appendChild($author);
941 $dfrnowner = self::addEntryAuthor($doc, "dfrn:owner", $item["owner-link"], $item);
942 $entry->appendChild($dfrnowner);
944 if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
945 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
946 $parent = q("SELECT `guid`,`plink` FROM `item` WHERE `uri` = '%s' AND `uid` = %d", dbesc($parent_item), intval($item['uid']));
947 $attributes = array("ref" => $parent_item, "type" => "text/html",
948 "href" => $parent[0]['plink'],
949 "dfrn:diaspora_guid" => $parent[0]['guid']);
950 XML::addElement($doc, $entry, "thr:in-reply-to", "", $attributes);
953 // Add conversation data. This is used for OStatus
954 $conversation_href = System::baseUrl()."/display/".$owner["nick"]."/".$item["parent"];
955 $conversation_uri = $conversation_href;
957 if (isset($parent_item)) {
958 $r = dba::fetch_first("SELECT `conversation-uri`, `conversation-href` FROM `conversation` WHERE `item-uri` = ?", $item['parent-uri']);
959 if (DBM::is_result($r)) {
960 if ($r['conversation-uri'] != '') {
961 $conversation_uri = $r['conversation-uri'];
963 if ($r['conversation-href'] != '') {
964 $conversation_href = $r['conversation-href'];
970 "href" => $conversation_href,
971 "ref" => $conversation_uri);
973 XML::addElement($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
975 XML::addElement($doc, $entry, "id", $item["uri"]);
976 XML::addElement($doc, $entry, "title", $item["title"]);
978 XML::addElement($doc, $entry, "published", datetime_convert("UTC", "UTC", $item["created"] . "+00:00", ATOM_TIME));
979 XML::addElement($doc, $entry, "updated", datetime_convert("UTC", "UTC", $item["edited"] . "+00:00", ATOM_TIME));
981 // "dfrn:env" is used to read the content
982 XML::addElement($doc, $entry, "dfrn:env", base64url_encode($body, true));
984 // The "content" field is not read by the receiver. We could remove it when the type is "text"
985 // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
986 XML::addElement($doc, $entry, "content", (($type == 'html') ? $htmlbody : $body), array("type" => $type));
988 // We save this value in "plink". Maybe we should read it from there as well?
994 array("rel" => "alternate", "type" => "text/html",
995 "href" => System::baseUrl() . "/display/" . $item["guid"])
998 // "comment-allow" is some old fashioned stuff for old Friendica versions.
999 // It is included in the rewritten code for completeness
1001 XML::addElement($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
1004 if ($item['location']) {
1005 XML::addElement($doc, $entry, "dfrn:location", $item['location']);
1008 if ($item['coord']) {
1009 XML::addElement($doc, $entry, "georss:point", $item['coord']);
1012 if (($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid'])) {
1013 XML::addElement($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
1016 if ($item['extid']) {
1017 XML::addElement($doc, $entry, "dfrn:extid", $item['extid']);
1020 if ($item['bookmark']) {
1021 XML::addElement($doc, $entry, "dfrn:bookmark", "true");
1025 XML::addElement($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
1028 XML::addElement($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
1030 // The signed text contains the content in Markdown, the sender handle and the signatur for the content
1031 // It is needed for relayed comments to Diaspora.
1032 if ($item['signed_text']) {
1033 $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
1034 XML::addElement($doc, $entry, "dfrn:diaspora_signature", $sign);
1037 XML::addElement($doc, $entry, "activity:verb", construct_verb($item));
1039 if ($item['object-type'] != "") {
1040 XML::addElement($doc, $entry, "activity:object-type", $item['object-type']);
1041 } elseif ($item['id'] == $item['parent']) {
1042 XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
1044 XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
1047 $actobj = self::createActivity($doc, "activity:object", $item['object']);
1049 $entry->appendChild($actobj);
1052 $actarg = self::createActivity($doc, "activity:target", $item['target']);
1054 $entry->appendChild($actarg);
1057 $tags = item_getfeedtags($item);
1060 foreach ($tags as $t) {
1061 if (($type != 'html') || ($t[0] != "@")) {
1062 XML::addElement($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]));
1068 foreach ($tags as $t) {
1070 $mentioned[$t[1]] = $t[1];
1075 foreach ($mentioned as $mention) {
1077 "SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
1078 intval($owner["uid"]),
1079 dbesc(normalise_link($mention))
1082 if (DBM::is_result($r) && ($r[0]["forum"] || $r[0]["prv"])) {
1088 array("rel" => "mentioned",
1089 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
1098 array("rel" => "mentioned",
1099 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
1105 self::getAttachment($doc, $entry, $item);
1111 * @brief encrypts data via AES
1113 * @param string $data The data that is to be encrypted
1114 * @param string $key The AES key
1116 * @return string encrypted data
1118 private static function aesEncrypt($data, $key)
1120 return openssl_encrypt($data, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1124 * @brief decrypts data via AES
1126 * @param string $encrypted The encrypted data
1127 * @param string $key The AES key
1129 * @return string decrypted data
1131 public static function aesDecrypt($encrypted, $key)
1133 return openssl_decrypt($encrypted, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1137 * @brief Delivers the atom content to the contacts
1139 * @param array $owner Owner record
1140 * @param array $contact Contact record of the receiver
1141 * @param string $atom Content that will be transmitted
1142 * @param bool $dissolve (to be documented)
1144 * @return int Deliver status. -1 means an error.
1145 * @todo Add array type-hint for $owner, $contact
1147 public static function deliver($owner, $contact, $atom, $dissolve = false)
1151 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
1153 if ($contact['duplex'] && $contact['dfrn-id']) {
1154 $idtosend = '0:' . $orig_id;
1156 if ($contact['duplex'] && $contact['issued-id']) {
1157 $idtosend = '1:' . $orig_id;
1160 $rino = Config::get('system', 'rino_encrypt');
1161 $rino = intval($rino);
1163 logger("Local rino version: ". $rino, LOGGER_DEBUG);
1165 $ssl_val = intval(Config::get('system', 'ssl_policy'));
1169 case SSL_POLICY_FULL:
1170 $ssl_policy = 'full';
1172 case SSL_POLICY_SELFSIGN:
1173 $ssl_policy = 'self';
1175 case SSL_POLICY_NONE:
1177 $ssl_policy = 'none';
1181 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
1183 logger('dfrn_deliver: ' . $url);
1185 $ret = z_fetch_url($url);
1187 if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
1188 return -2; // timed out
1191 $xml = $ret['body'];
1193 $curl_stat = $a->get_curl_code();
1195 return -3; // timed out
1198 logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
1204 if (strpos($xml, '<?xml') === false) {
1205 logger('dfrn_deliver: no valid XML returned');
1206 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
1210 $res = parse_xml_string($xml);
1212 if ((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) {
1213 return (($res->status) ? $res->status : 3);
1216 $postvars = array();
1217 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
1218 $challenge = hex2bin((string) $res->challenge);
1219 $perm = (($res->perm) ? $res->perm : null);
1220 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
1221 $rino_remote_version = intval($res->rino);
1222 $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0);
1224 logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG);
1226 if ($owner['page-flags'] == PAGE_PRVGROUP) {
1230 $final_dfrn_id = '';
1233 if ((($perm == 'rw') && (! intval($contact['writable'])))
1234 || (($perm == 'r') && (intval($contact['writable'])))
1237 "update contact set writable = %d where id = %d",
1238 intval(($perm == 'rw') ? 1 : 0),
1239 intval($contact['id'])
1241 $contact['writable'] = (string) 1 - intval($contact['writable']);
1245 if (($contact['duplex'] && strlen($contact['pubkey']))
1246 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1247 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))
1249 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
1250 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
1252 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
1253 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
1256 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
1258 if (strpos($final_dfrn_id, ':') == 1) {
1259 $final_dfrn_id = substr($final_dfrn_id, 2);
1262 if ($final_dfrn_id != $orig_id) {
1263 logger('dfrn_deliver: wrong dfrn_id.');
1264 // did not decode properly - cannot trust this site
1268 $postvars['dfrn_id'] = $idtosend;
1269 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
1271 $postvars['dissolve'] = '1';
1275 if ((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1276 $postvars['data'] = $atom;
1277 $postvars['perm'] = 'rw';
1279 $postvars['data'] = str_replace('<dfrn:comment-allow>1', '<dfrn:comment-allow>0', $atom);
1280 $postvars['perm'] = 'r';
1283 $postvars['ssl_policy'] = $ssl_policy;
1286 $postvars['page'] = $page;
1290 if ($rino > 0 && $rino_remote_version > 0 && (! $dissolve)) {
1291 logger('rino version: '. $rino_remote_version);
1293 switch ($rino_remote_version) {
1295 // Deprecated rino version!
1296 $key = openssl_random_pseudo_bytes(16);
1297 $data = self::aesEncrypt($postvars['data'], $key);
1300 // RINO 2 based on php-encryption
1302 $key = \Crypto::CreateNewRandomKey();
1303 } catch (\CryptoTestFailedException $ex) {
1304 logger('Cannot safely create a key');
1306 } catch (\CannotPerformOperationException $ex) {
1307 logger('Cannot safely create a key');
1311 $data = \Crypto::Encrypt($postvars['data'], $key);
1312 } catch (\CryptoTestFailedException $ex) {
1313 logger('Cannot safely perform encryption');
1315 } catch (\CannotPerformOperationException $ex) {
1316 logger('Cannot safely perform encryption');
1321 logger("rino: invalid requested version '$rino_remote_version'");
1325 $postvars['rino'] = $rino_remote_version;
1326 $postvars['data'] = bin2hex($data);
1328 //logger('rino: sent key = ' . $key, LOGGER_DEBUG);
1331 if ($dfrn_version >= 2.1) {
1332 if (($contact['duplex'] && strlen($contact['pubkey']))
1333 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1334 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))
1336 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1338 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1341 if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1342 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1344 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1348 logger('md5 rawkey ' . md5($postvars['key']));
1350 $postvars['key'] = bin2hex($postvars['key']);
1354 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars, true), LOGGER_DATA);
1356 $xml = post_url($contact['notify'], $postvars);
1358 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
1360 $curl_stat = $a->get_curl_code();
1361 if ((!$curl_stat) || (!strlen($xml))) {
1362 return -9; // timed out
1365 if (($curl_stat == 503) && (stristr($a->get_curl_headers(), 'retry-after'))) {
1369 if (strpos($xml, '<?xml') === false) {
1370 logger('dfrn_deliver: phase 2: no valid XML returned');
1371 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
1375 if ($contact['term-date'] > NULL_DATE) {
1376 logger("dfrn_deliver: $url back from the dead - removing mark for death");
1377 Contact::unmarkForArchival($contact);
1380 $res = parse_xml_string($xml);
1382 if (!isset($res->status)) {
1386 if (!empty($res->message)) {
1387 logger('Delivery returned status '.$res->status.' - '.$res->message, LOGGER_DEBUG);
1390 return intval($res->status);
1394 * @brief Add new birthday event for this person
1396 * @param array $contact Contact record
1397 * @param string $birthday Birthday of the contact
1399 * @todo Add array type-hint for $contact
1401 private static function birthdayEvent($contact, $birthday)
1403 // Check for duplicates
1405 "SELECT `id` FROM `event` WHERE `uid` = %d AND `cid` = %d AND `start` = '%s' AND `type` = '%s' LIMIT 1",
1406 intval($contact["uid"]),
1407 intval($contact["id"]),
1408 dbesc(datetime_convert("UTC", "UTC", $birthday)),
1412 if (DBM::is_result($r)) {
1416 logger("updating birthday: ".$birthday." for contact ".$contact["id"]);
1418 $bdtext = sprintf(t("%s\'s birthday"), $contact["name"]);
1419 $bdtext2 = sprintf(t("Happy Birthday %s"), " [url=".$contact["url"]."]".$contact["name"]."[/url]");
1422 "INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`)
1423 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
1424 intval($contact["uid"]),
1425 intval($contact["id"]),
1426 dbesc(datetime_convert()),
1427 dbesc(datetime_convert()),
1428 dbesc(datetime_convert("UTC", "UTC", $birthday)),
1429 dbesc(datetime_convert("UTC", "UTC", $birthday . " + 1 day ")),
1437 * @brief Fetch the author data from head or entry items
1439 * @param object $xpath XPath object
1440 * @param object $context In which context should the data be searched
1441 * @param array $importer Record of the importer user mixed with contact of the content
1442 * @param string $element Element name from which the data is fetched
1443 * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well
1444 * @param string $xml optional, default empty
1446 * @return array Relevant data of the author
1447 * @todo Find good type-hints for all parameter
1449 private static function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "")
1452 $author["name"] = $xpath->evaluate($element."/atom:name/text()", $context)->item(0)->nodeValue;
1453 $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue;
1456 "SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`,
1457 `name`, `nick`, `about`, `location`, `keywords`, `xmpp`, `bdyear`, `bd`, `hidden`, `contact-type`
1458 FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
1459 intval($importer["uid"]),
1460 dbesc(normalise_link($author["link"])),
1461 dbesc(NETWORK_STATUSNET)
1464 if (DBM::is_result($r)) {
1466 $author["contact-id"] = $r[0]["id"];
1467 $author["network"] = $r[0]["network"];
1470 logger("Contact ".$author["link"]." wasn't found for user ".$importer["uid"]." XML: ".$xml, LOGGER_DEBUG);
1473 $author["contact-id"] = $importer["id"];
1474 $author["network"] = $importer["network"];
1478 // Until now we aren't serving different sizes - but maybe later
1479 $avatarlist = array();
1480 /// @todo check if "avatar" or "photo" would be the best field in the specification
1481 $avatars = $xpath->query($element."/atom:link[@rel='avatar']", $context);
1482 foreach ($avatars as $avatar) {
1485 foreach ($avatar->attributes as $attributes) {
1486 /// @TODO Rewrite these similar if () to one switch
1487 if ($attributes->name == "href") {
1488 $href = $attributes->textContent;
1490 if ($attributes->name == "width") {
1491 $width = $attributes->textContent;
1493 if ($attributes->name == "updated") {
1494 $contact["avatar-date"] = $attributes->textContent;
1497 if (($width > 0) && ($href != "")) {
1498 $avatarlist[$width] = $href;
1501 if (count($avatarlist) > 0) {
1502 krsort($avatarlist);
1503 $author["avatar"] = current($avatarlist);
1506 if (DBM::is_result($r) && !$onlyfetch) {
1507 logger("Check if contact details for contact " . $r[0]["id"] . " (" . $r[0]["nick"] . ") have to be updated.", LOGGER_DEBUG);
1509 $poco = array("url" => $contact["url"]);
1511 // When was the last change to name or uri?
1512 $name_element = $xpath->query($element . "/atom:name", $context)->item(0);
1513 foreach ($name_element->attributes as $attributes) {
1514 if ($attributes->name == "updated") {
1515 $poco["name-date"] = $attributes->textContent;
1519 $link_element = $xpath->query($element . "/atom:link", $context)->item(0);
1520 foreach ($link_element->attributes as $attributes) {
1521 if ($attributes->name == "updated") {
1522 $poco["uri-date"] = $attributes->textContent;
1526 // Update contact data
1527 $value = $xpath->evaluate($element . "/dfrn:handle/text()", $context)->item(0)->nodeValue;
1529 $poco["addr"] = $value;
1532 $value = $xpath->evaluate($element . "/poco:displayName/text()", $context)->item(0)->nodeValue;
1534 $poco["name"] = $value;
1537 $value = $xpath->evaluate($element . "/poco:preferredUsername/text()", $context)->item(0)->nodeValue;
1539 $poco["nick"] = $value;
1542 $value = $xpath->evaluate($element . "/poco:note/text()", $context)->item(0)->nodeValue;
1544 $poco["about"] = $value;
1547 $value = $xpath->evaluate($element . "/poco:address/poco:formatted/text()", $context)->item(0)->nodeValue;
1549 $poco["location"] = $value;
1552 /// @todo Only search for elements with "poco:type" = "xmpp"
1553 $value = $xpath->evaluate($element . "/poco:ims/poco:value/text()", $context)->item(0)->nodeValue;
1555 $poco["xmpp"] = $value;
1558 /// @todo Add support for the following fields that we don't support by now in the contact table:
1559 /// - poco:utcOffset
1565 // If the "hide" element is present then the profile isn't searchable.
1566 $hide = intval($xpath->evaluate($element . "/dfrn:hide/text()", $context)->item(0)->nodeValue == "true");
1568 logger("Hidden status for contact " . $contact["url"] . ": " . $hide, LOGGER_DEBUG);
1570 // If the contact isn't searchable then set the contact to "hidden".
1571 // Problem: This can be manually overridden by the user.
1573 $contact["hidden"] = true;
1576 // Save the keywords into the contact table
1578 $tagelements = $xpath->evaluate($element . "/poco:tags/text()", $context);
1579 foreach ($tagelements as $tag) {
1580 $tags[$tag->nodeValue] = $tag->nodeValue;
1584 $poco["keywords"] = implode(", ", $tags);
1587 // "dfrn:birthday" contains the birthday converted to UTC
1588 $old_bdyear = $contact["bdyear"];
1590 $birthday = $xpath->evaluate($element . "/dfrn:birthday/text()", $context)->item(0)->nodeValue;
1592 if (strtotime($birthday) > time()) {
1593 $bd_timestamp = strtotime($birthday);
1595 $poco["bdyear"] = date("Y", $bd_timestamp);
1598 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1599 $value = $xpath->evaluate($element . "/poco:birthday/text()", $context)->item(0)->nodeValue;
1601 if (!in_array($value, array("", "0000-00-00", "0001-01-01"))) {
1602 $bdyear = date("Y");
1603 $value = str_replace("0000", $bdyear, $value);
1605 if (strtotime($value) < time()) {
1606 $value = str_replace($bdyear, $bdyear + 1, $value);
1607 $bdyear = $bdyear + 1;
1610 $poco["bd"] = $value;
1613 $contact = array_merge($contact, $poco);
1615 if ($old_bdyear != $contact["bdyear"]) {
1616 self::birthdayEvent($contact, $birthday);
1619 // Get all field names
1621 foreach ($r[0] as $field => $data) {
1622 $fields[$field] = $data;
1625 unset($fields["id"]);
1626 unset($fields["uid"]);
1627 unset($fields["url"]);
1628 unset($fields["avatar-date"]);
1629 unset($fields["name-date"]);
1630 unset($fields["uri-date"]);
1632 // Update check for this field has to be done differently
1633 $datefields = array("name-date", "uri-date");
1634 foreach ($datefields as $field) {
1635 if (strtotime($contact[$field]) > strtotime($r[0][$field])) {
1636 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1641 foreach ($fields as $field => $data) {
1642 if ($contact[$field] != $r[0][$field]) {
1643 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1649 logger("Update contact data for contact " . $contact["id"] . " (" . $contact["nick"] . ")", LOGGER_DEBUG);
1652 "UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s',
1653 `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s', `hidden` = %d,
1654 `xmpp` = '%s', `name-date` = '%s', `uri-date` = '%s'
1655 WHERE `id` = %d AND `network` = '%s'",
1656 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
1657 dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]),
1658 dbesc($contact["bd"]), intval($contact["hidden"]), dbesc($contact["xmpp"]),
1659 dbesc(DBM::date($contact["name-date"])), dbesc(DBM::date($contact["uri-date"])),
1660 intval($contact["id"]), dbesc($contact["network"])
1664 Contact::updateAvatar(
1668 (strtotime($contact["avatar-date"]) > strtotime($r[0]["avatar-date"]))
1672 * The generation is a sign for the reliability of the provided data.
1673 * It is used in the socgraph.php to prevent that old contact data
1674 * that was relayed over several servers can overwrite contact
1675 * data that we received directly.
1678 $poco["generation"] = 2;
1679 $poco["photo"] = $author["avatar"];
1680 $poco["hide"] = $hide;
1681 $poco["contact-type"] = $contact["contact-type"];
1682 $gcid = GContact::update($poco);
1684 GContact::link($gcid, $importer["uid"], $contact["id"]);
1691 * @brief Transforms activity objects into an XML string
1693 * @param object $xpath XPath object
1694 * @param object $activity Activity object
1695 * @param string $element element name
1697 * @return string XML string
1698 * @todo Find good type-hints for all parameter
1700 private static function transformActivity($xpath, $activity, $element)
1702 if (!is_object($activity)) {
1706 $obj_doc = new DOMDocument("1.0", "utf-8");
1707 $obj_doc->formatOutput = true;
1709 $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element);
1711 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1712 XML::addElement($obj_doc, $obj_element, "type", $activity_type);
1714 $id = $xpath->query("atom:id", $activity)->item(0);
1715 if (is_object($id)) {
1716 $obj_element->appendChild($obj_doc->importNode($id, true));
1719 $title = $xpath->query("atom:title", $activity)->item(0);
1720 if (is_object($title)) {
1721 $obj_element->appendChild($obj_doc->importNode($title, true));
1724 $links = $xpath->query("atom:link", $activity);
1725 if (is_object($links)) {
1726 foreach ($links as $link) {
1727 $obj_element->appendChild($obj_doc->importNode($link, true));
1731 $content = $xpath->query("atom:content", $activity)->item(0);
1732 if (is_object($content)) {
1733 $obj_element->appendChild($obj_doc->importNode($content, true));
1736 $obj_doc->appendChild($obj_element);
1738 $objxml = $obj_doc->saveXML($obj_element);
1740 /// @todo This isn't totally clean. We should find a way to transform the namespaces
1741 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1746 * @brief Processes the mail elements
1748 * @param object $xpath XPath object
1749 * @param object $mail mail elements
1750 * @param array $importer Record of the importer user mixed with contact of the content
1752 * @todo Find good type-hints for all parameter
1754 private static function processMail($xpath, $mail, $importer)
1756 logger("Processing mails");
1758 /// @TODO Rewrite this to one statement
1760 $msg["uid"] = $importer["importer_uid"];
1761 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1762 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1763 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1764 $msg["contact-id"] = $importer["id"];
1765 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1766 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1767 $msg["created"] = $xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue;
1768 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1769 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1771 $msg["replied"] = 0;
1773 dba::insert('mail', $msg);
1775 // send notifications.
1776 /// @TODO Arange this mess
1777 $notif_params = array(
1778 "type" => NOTIFY_MAIL,
1779 "notify_flags" => $importer["notify-flags"],
1780 "language" => $importer["language"],
1781 "to_name" => $importer["username"],
1782 "to_email" => $importer["email"],
1783 "uid" => $importer["importer_uid"],
1785 "source_name" => $msg["from-name"],
1786 "source_link" => $importer["url"],
1787 "source_photo" => $importer["thumb"],
1788 "verb" => ACTIVITY_POST,
1792 notification($notif_params);
1794 logger("Mail is processed, notification was sent.");
1798 * @brief Processes the suggestion elements
1800 * @param object $xpath XPath object
1801 * @param object $suggestion suggestion elements
1802 * @param array $importer Record of the importer user mixed with contact of the content
1804 * @todo Find good type-hints for all parameter
1806 private static function processSuggestion($xpath, $suggestion, $importer)
1810 logger("Processing suggestions");
1812 /// @TODO Rewrite this to one statement
1814 $suggest["uid"] = $importer["importer_uid"];
1815 $suggest["cid"] = $importer["id"];
1816 $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue;
1817 $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue;
1818 $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue;
1819 $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue;
1820 $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue;
1822 // Does our member already have a friend matching this description?
1825 "SELECT `id` FROM `contact` WHERE `name` = '%s' AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
1826 dbesc($suggest["name"]),
1827 dbesc(normalise_link($suggest["url"])),
1828 intval($suggest["uid"])
1832 * The valid result means the friend we're about to send a friend
1833 * suggestion already has them in their contact, which means no further
1834 * action is required.
1836 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1838 if (DBM::is_result($r)) {
1842 // Do we already have an fcontact record for this person?
1846 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1847 dbesc($suggest["url"]),
1848 dbesc($suggest["name"]),
1849 dbesc($suggest["request"])
1851 if (DBM::is_result($r)) {
1854 // OK, we do. Do we already have an introduction for this person ?
1856 "SELECT `id` FROM `intro` WHERE `uid` = %d AND `fid` = %d LIMIT 1",
1857 intval($suggest["uid"]),
1862 * The valid result means the friend we're about to send a friend
1863 * suggestion already has them in their contact, which means no further
1864 * action is required.
1866 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1868 if (DBM::is_result($r)) {
1874 "INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')",
1875 dbesc($suggest["name"]),
1876 dbesc($suggest["url"]),
1877 dbesc($suggest["photo"]),
1878 dbesc($suggest["request"])
1882 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1883 dbesc($suggest["url"]),
1884 dbesc($suggest["name"]),
1885 dbesc($suggest["request"])
1889 * If no record in fcontact is found, below INSERT statement will not
1890 * link an introduction to it.
1892 if (!DBM::is_result($r)) {
1893 // database record did not get created. Quietly give up.
1899 $hash = random_string();
1902 "INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`)
1903 VALUES(%d, %d, %d, '%s', '%s', '%s', %d)",
1904 intval($suggest["uid"]),
1906 intval($suggest["cid"]),
1907 dbesc($suggest["body"]),
1909 dbesc(datetime_convert()),
1915 "type" => NOTIFY_SUGGEST,
1916 "notify_flags" => $importer["notify-flags"],
1917 "language" => $importer["language"],
1918 "to_name" => $importer["username"],
1919 "to_email" => $importer["email"],
1920 "uid" => $importer["importer_uid"],
1922 "link" => System::baseUrl()."/notifications/intros",
1923 "source_name" => $importer["name"],
1924 "source_link" => $importer["url"],
1925 "source_photo" => $importer["photo"],
1926 "verb" => ACTIVITY_REQ_FRIEND,
1934 * @brief Processes the relocation elements
1936 * @param object $xpath XPath object
1937 * @param object $relocation relocation elements
1938 * @param array $importer Record of the importer user mixed with contact of the content
1940 * @todo Find good type-hints for all parameter
1942 private static function processRelocation($xpath, $relocation, $importer)
1944 logger("Processing relocations");
1946 /// @TODO Rewrite this to one statement
1947 $relocate = array();
1948 $relocate["uid"] = $importer["importer_uid"];
1949 $relocate["cid"] = $importer["id"];
1950 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1951 $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue;
1952 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1953 $relocate["avatar"] = $xpath->query("dfrn:avatar/text()", $relocation)->item(0)->nodeValue;
1954 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1955 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1956 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1957 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1958 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1959 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1960 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1961 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1963 if (($relocate["avatar"] == "") && ($relocate["photo"] != "")) {
1964 $relocate["avatar"] = $relocate["photo"];
1967 if ($relocate["addr"] == "") {
1968 $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]);
1973 "SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;",
1974 intval($importer["id"]),
1975 intval($importer["importer_uid"])
1978 if (!DBM::is_result($r)) {
1979 logger("Query failed to execute, no result returned in " . __FUNCTION__);
1985 // Update the gcontact entry
1986 $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]);
1989 "UPDATE `gcontact` SET
1998 WHERE `nurl` = '%s';",
1999 dbesc($relocate["name"]),
2000 dbesc($relocate["avatar"]),
2001 dbesc($relocate["url"]),
2002 dbesc(normalise_link($relocate["url"])),
2003 dbesc($relocate["addr"]),
2004 dbesc($relocate["addr"]),
2005 dbesc($relocate["notify"]),
2006 dbesc($relocate["server_url"]),
2007 dbesc(normalise_link($old["url"]))
2010 // Update the contact table. We try to find every entry.
2012 "UPDATE `contact` SET
2022 `site-pubkey` = '%s'
2023 WHERE (`id` = %d AND `uid` = %d) OR (`nurl` = '%s');",
2024 dbesc($relocate["name"]),
2025 dbesc($relocate["avatar"]),
2026 dbesc($relocate["url"]),
2027 dbesc(normalise_link($relocate["url"])),
2028 dbesc($relocate["addr"]),
2029 dbesc($relocate["request"]),
2030 dbesc($relocate["confirm"]),
2031 dbesc($relocate["notify"]),
2032 dbesc($relocate["poll"]),
2033 dbesc($relocate["sitepubkey"]),
2034 intval($importer["id"]),
2035 intval($importer["importer_uid"]),
2036 dbesc(normalise_link($old["url"]))
2039 Contact::updateAvatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true);
2046 /// @todo This is an extreme performance killer
2048 'owner-link' => array($old["url"], $relocate["url"]),
2049 'author-link' => array($old["url"], $relocate["url"]),
2050 //'owner-avatar' => array($old["photo"], $relocate["photo"]),
2051 //'author-avatar' => array($old["photo"], $relocate["photo"]),
2053 foreach ($fields as $n => $f) {
2055 "SELECT `id` FROM `item` WHERE `%s` = '%s' AND `uid` = %d LIMIT 1",
2058 intval($importer["importer_uid"])
2061 if (DBM::is_result($r)) {
2063 "UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
2068 intval($importer["importer_uid"])
2078 /// merge with current record, current contents have priority
2079 /// update record, set url-updated
2080 /// update profile photos
2081 /// schedule a scan?
2086 * @brief Updates an item
2088 * @param array $current the current item record
2089 * @param array $item the new item record
2090 * @param array $importer Record of the importer user mixed with contact of the content
2091 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2093 * @todo set proper type-hints (array?)
2095 private static function updateContent($current, $item, $importer, $entrytype)
2099 if (edited_timestamp_is_newer($current, $item)) {
2100 // do not accept (ignore) an earlier edit than one we currently have.
2101 if (datetime_convert("UTC", "UTC", $item["edited"]) < $current["edited"]) {
2105 $fields = array('title' => $item["title"], 'body' => $item["body"],
2106 'tag' => $item["tag"], 'changed' => datetime_convert(),
2107 'edited' => datetime_convert("UTC", "UTC", $item["edited"]));
2109 $condition = array("`uri` = ? AND `uid` IN (0, ?)", $item["uri"], $importer["importer_uid"]);
2110 dba::update('item', $fields, $condition);
2112 create_tags_from_itemuri($item["uri"], $importer["importer_uid"]);
2113 update_thread_uri($item["uri"], $importer["importer_uid"]);
2117 if ($entrytype == DFRN_REPLY_RC) {
2118 Worker::add(PRIORITY_HIGH, "Notifier", "comment-import", $current["id"]);
2122 // update last-child if it changes
2123 if ($item["last-child"] && ($item["last-child"] != $current["last-child"])) {
2125 "UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2126 dbesc(datetime_convert()),
2127 dbesc($item["parent-uri"]),
2128 intval($importer["importer_uid"])
2131 "UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2132 intval($item["last-child"]),
2133 dbesc(datetime_convert()),
2134 dbesc($item["uri"]),
2135 intval($importer["importer_uid"])
2142 * @brief Detects the entry type of the item
2144 * @param array $importer Record of the importer user mixed with contact of the content
2145 * @param array $item the new item record
2147 * @return int Is it a toplevel entry, a comment or a relayed comment?
2148 * @todo set proper type-hints (array?)
2150 private static function getEntryType($importer, $item)
2152 if ($item["parent-uri"] != $item["uri"]) {
2155 if ($importer["page-flags"] == PAGE_COMMUNITY || $importer["page-flags"] == PAGE_PRVGROUP) {
2158 logger("possible community action");
2160 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
2163 // was the top-level post for this action written by somebody on this site?
2164 // Specifically, the recipient?
2166 $is_a_remote_action = false;
2169 "SELECT `item`.`parent-uri` FROM `item`
2170 WHERE `item`.`uri` = '%s'
2172 dbesc($item["parent-uri"])
2174 if (DBM::is_result($r)) {
2176 "SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
2177 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
2178 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
2179 AND `item`.`uid` = %d
2182 dbesc($r[0]["parent-uri"]),
2183 dbesc($r[0]["parent-uri"]),
2184 dbesc($r[0]["parent-uri"]),
2185 intval($importer["importer_uid"])
2187 if (DBM::is_result($r)) {
2188 $is_a_remote_action = true;
2193 * Does this have the characteristics of a community or private group action?
2194 * If it's an action to a wall post on a community/prvgroup page it's a
2195 * valid community action. Also forum_mode makes it valid for sure.
2196 * If neither, it's not.
2199 /// @TODO Maybe merge these if() blocks into one?
2200 if ($is_a_remote_action && $community && (!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
2201 $is_a_remote_action = false;
2202 logger("not a community action");
2205 if ($is_a_remote_action) {
2206 return DFRN_REPLY_RC;
2211 return DFRN_TOP_LEVEL;
2216 * @brief Send a "poke"
2218 * @param array $item the new item record
2219 * @param array $importer Record of the importer user mixed with contact of the content
2220 * @param int $posted_id The record number of item record that was just posted
2222 * @todo set proper type-hints (array?)
2224 private static function doPoke($item, $importer, $posted_id)
2226 $verb = urldecode(substr($item["verb"], strpos($item["verb"], "#")+1));
2230 $xo = parse_xml_string($item["object"], false);
2232 if (($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) {
2233 // somebody was poked/prodded. Was it me?
2234 foreach ($xo->link as $l) {
2235 $atts = $l->attributes();
2236 switch ($atts["rel"]) {
2238 $Blink = $atts["href"];
2245 if ($Blink && link_compare($Blink, System::baseUrl() . "/profile/" . $importer["nickname"])) {
2246 // send a notification
2249 "type" => NOTIFY_POKE,
2250 "notify_flags" => $importer["notify-flags"],
2251 "language" => $importer["language"],
2252 "to_name" => $importer["username"],
2253 "to_email" => $importer["email"],
2254 "uid" => $importer["importer_uid"],
2256 "link" => System::baseUrl()."/display/".urlencode(get_item_guid($posted_id)),
2257 "source_name" => stripslashes($item["author-name"]),
2258 "source_link" => $item["author-link"],
2259 "source_photo" => ((link_compare($item["author-link"], $importer["url"]))
2260 ? $importer["thumb"] : $item["author-avatar"]),
2261 "verb" => $item["verb"],
2262 "otype" => "person",
2263 "activity" => $verb,
2264 "parent" => $item["parent"])
2271 * @brief Processes several actions, depending on the verb
2273 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2274 * @param array $importer Record of the importer user mixed with contact of the content
2275 * @param array $item the new item record
2276 * @param bool $is_like Is the verb a "like"?
2278 * @return bool Should the processing of the entries be continued?
2279 * @todo set proper type-hints (array?)
2281 private static function processVerbs($entrytype, $importer, &$item, &$is_like)
2283 logger("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, LOGGER_DEBUG);
2285 if (($entrytype == DFRN_TOP_LEVEL)) {
2286 // The filling of the the "contact" variable is done for legcy reasons
2287 // The functions below are partly used by ostatus.php as well - where we have this variable
2288 $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"]));
2290 $nickname = $contact["nick"];
2292 // Big question: Do we need these functions? They were part of the "consume_feed" function.
2293 // This function once was responsible for DFRN and OStatus.
2294 if (activity_match($item["verb"], ACTIVITY_FOLLOW)) {
2295 logger("New follower");
2296 new_follower($importer, $contact, $item, $nickname);
2299 if (activity_match($item["verb"], ACTIVITY_UNFOLLOW)) {
2300 logger("Lost follower");
2301 lose_follower($importer, $contact, $item);
2304 if (activity_match($item["verb"], ACTIVITY_REQ_FRIEND)) {
2305 logger("New friend request");
2306 new_follower($importer, $contact, $item, $nickname, true);
2309 if (activity_match($item["verb"], ACTIVITY_UNFRIEND)) {
2310 logger("Lost sharer");
2311 lose_sharer($importer, $contact, $item);
2315 if (($item["verb"] == ACTIVITY_LIKE)
2316 || ($item["verb"] == ACTIVITY_DISLIKE)
2317 || ($item["verb"] == ACTIVITY_ATTEND)
2318 || ($item["verb"] == ACTIVITY_ATTENDNO)
2319 || ($item["verb"] == ACTIVITY_ATTENDMAYBE)
2322 $item["type"] = "activity";
2323 $item["gravity"] = GRAVITY_LIKE;
2324 // only one like or dislike per person
2325 // splitted into two queries for performance issues
2327 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `parent-uri` = '%s' AND NOT `deleted` LIMIT 1",
2328 intval($item["uid"]),
2329 dbesc($item["author-link"]),
2330 dbesc($item["verb"]),
2331 dbesc($item["parent-uri"])
2333 if (DBM::is_result($r)) {
2338 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `thr-parent` = '%s' AND NOT `deleted` LIMIT 1",
2339 intval($item["uid"]),
2340 dbesc($item["author-link"]),
2341 dbesc($item["verb"]),
2342 dbesc($item["parent-uri"])
2344 if (DBM::is_result($r)) {
2351 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2352 $xo = parse_xml_string($item["object"], false);
2353 $xt = parse_xml_string($item["target"], false);
2355 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2357 "SELECT `id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2359 intval($importer["importer_uid"])
2362 if (!DBM::is_result($r)) {
2363 logger("Query failed to execute, no result returned in " . __FUNCTION__);
2367 // extract tag, if not duplicate, add to parent item
2369 if (!(stristr($r[0]["tag"], trim($xo->content)))) {
2371 "UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2372 dbesc($r[0]["tag"] . (strlen($r[0]["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]'),
2375 create_tags_from_item($r[0]["id"]);
2385 * @brief Processes the link elements
2387 * @param object $links link elements
2388 * @param array $item the item record
2390 * @todo set proper type-hints
2392 private static function parseLinks($links, &$item)
2399 foreach ($links as $link) {
2400 foreach ($link->attributes as $attributes) {
2401 /// @TODO Rewrite these repeated (same) if () statements to a switch()
2402 if ($attributes->name == "href") {
2403 $href = $attributes->textContent;
2405 if ($attributes->name == "rel") {
2406 $rel = $attributes->textContent;
2408 if ($attributes->name == "type") {
2409 $type = $attributes->textContent;
2411 if ($attributes->name == "length") {
2412 $length = $attributes->textContent;
2414 if ($attributes->name == "title") {
2415 $title = $attributes->textContent;
2418 if (($rel != "") && ($href != "")) {
2421 $item["plink"] = $href;
2425 if (strlen($item["attach"])) {
2426 $item["attach"] .= ",";
2429 $item["attach"] .= '[attach]href="' . $href . '" length="' . $length . '" type="' . $type . '" title="' . $title . '"[/attach]';
2437 * @brief Processes the entry elements which contain the items and comments
2439 * @param array $header Array of the header elements that always stay the same
2440 * @param object $xpath XPath object
2441 * @param object $entry entry elements
2442 * @param array $importer Record of the importer user mixed with contact of the content
2443 * @param object $xml xml
2445 * @todo Add type-hints
2447 private static function processEntry($header, $xpath, $entry, $importer, $xml)
2449 logger("Processing entries");
2453 $item["protocol"] = PROTOCOL_DFRN;
2455 $item["source"] = $xml;
2458 $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue;
2460 $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue;
2463 "SELECT `id`, `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2464 dbesc($item["uri"]),
2465 intval($importer["importer_uid"])
2468 // Is there an existing item?
2469 if (DBM::is_result($current) && edited_timestamp_is_newer($current[0], $item)
2470 && (datetime_convert("UTC", "UTC", $item["edited"]) < $current[0]["edited"])
2472 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2477 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true);
2479 $item["owner-name"] = $owner["name"];
2480 $item["owner-link"] = $owner["link"];
2481 $item["owner-avatar"] = $owner["avatar"];
2484 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true);
2486 $item["author-name"] = $author["name"];
2487 $item["author-link"] = $author["link"];
2488 $item["author-avatar"] = $author["avatar"];
2490 $item["title"] = $xpath->query("atom:title/text()", $entry)->item(0)->nodeValue;
2492 $item["created"] = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2494 $item["body"] = $xpath->query("dfrn:env/text()", $entry)->item(0)->nodeValue;
2495 $item["body"] = str_replace(array(' ',"\t","\r","\n"), array('','','',''), $item["body"]);
2496 // make sure nobody is trying to sneak some html tags by us
2497 $item["body"] = notags(base64url_decode($item["body"]));
2499 $item["body"] = limit_body_size($item["body"]);
2501 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
2502 if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) {
2503 $base_url = get_app()->get_baseurl();
2504 $item['body'] = reltoabs($item['body'], $base_url);
2506 $item['body'] = html2bb_video($item['body']);
2508 $item['body'] = oembed_html2bbcode($item['body']);
2510 $config = \HTMLPurifier_Config::createDefault();
2511 $config->set('Cache.DefinitionImpl', null);
2513 // we shouldn't need a whitelist, because the bbcode converter
2514 // will strip out any unsupported tags.
2516 $purifier = new \HTMLPurifier($config);
2517 $item['body'] = $purifier->purify($item['body']);
2519 $item['body'] = @html2bbcode($item['body']);
2522 /// @todo We should check for a repeated post and if we know the repeated author.
2524 // We don't need the content element since "dfrn:env" is always present
2525 //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue;
2527 $item["last-child"] = $xpath->query("dfrn:comment-allow/text()", $entry)->item(0)->nodeValue;
2528 $item["location"] = $xpath->query("dfrn:location/text()", $entry)->item(0)->nodeValue;
2530 $georsspoint = $xpath->query("georss:point", $entry);
2532 $item["coord"] = $georsspoint->item(0)->nodeValue;
2535 $item["private"] = $xpath->query("dfrn:private/text()", $entry)->item(0)->nodeValue;
2537 $item["extid"] = $xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue;
2539 if ($xpath->query("dfrn:bookmark/text()", $entry)->item(0)->nodeValue == "true") {
2540 $item["bookmark"] = true;
2543 $notice_info = $xpath->query("statusnet:notice_info", $entry);
2544 if ($notice_info && ($notice_info->length > 0)) {
2545 foreach ($notice_info->item(0)->attributes as $attributes) {
2546 if ($attributes->name == "source") {
2547 $item["app"] = strip_tags($attributes->textContent);
2552 $item["guid"] = $xpath->query("dfrn:diaspora_guid/text()", $entry)->item(0)->nodeValue;
2554 // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "item_store"
2555 $dsprsig = unxmlify($xpath->query("dfrn:diaspora_signature/text()", $entry)->item(0)->nodeValue);
2556 if ($dsprsig != "") {
2557 $item["dsprsig"] = $dsprsig;
2560 $item["verb"] = $xpath->query("activity:verb/text()", $entry)->item(0)->nodeValue;
2562 if ($xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue != "") {
2563 $item["object-type"] = $xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue;
2566 $object = $xpath->query("activity:object", $entry)->item(0);
2567 $item["object"] = self::transformActivity($xpath, $object, "object");
2569 if (trim($item["object"]) != "") {
2570 $r = parse_xml_string($item["object"], false);
2571 if (isset($r->type)) {
2572 $item["object-type"] = $r->type;
2576 $target = $xpath->query("activity:target", $entry)->item(0);
2577 $item["target"] = self::transformActivity($xpath, $target, "target");
2579 $categories = $xpath->query("atom:category", $entry);
2581 foreach ($categories as $category) {
2584 foreach ($category->attributes as $attributes) {
2585 if ($attributes->name == "term") {
2586 $term = $attributes->textContent;
2589 if ($attributes->name == "scheme") {
2590 $scheme = $attributes->textContent;
2594 if (($term != "") && ($scheme != "")) {
2595 $parts = explode(":", $scheme);
2596 if ((count($parts) >= 4) && (array_shift($parts) == "X-DFRN")) {
2597 $termhash = array_shift($parts);
2598 $termurl = implode(":", $parts);
2600 if (strlen($item["tag"])) {
2601 $item["tag"] .= ",";
2604 $item["tag"] .= $termhash . "[url=" . $termurl . "]" . $term . "[/url]";
2612 $links = $xpath->query("atom:link", $entry);
2614 self::parseLinks($links, $item);
2617 $item['conversation-uri'] = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
2619 $conv = $xpath->query('ostatus:conversation', $entry);
2620 if (is_object($conv->item(0))) {
2621 foreach ($conv->item(0)->attributes as $attributes) {
2622 if ($attributes->name == "ref") {
2623 $item['conversation-uri'] = $attributes->textContent;
2625 if ($attributes->name == "href") {
2626 $item['conversation-href'] = $attributes->textContent;
2631 // Is it a reply or a top level posting?
2632 $item["parent-uri"] = $item["uri"];
2634 $inreplyto = $xpath->query("thr:in-reply-to", $entry);
2635 if (is_object($inreplyto->item(0))) {
2636 foreach ($inreplyto->item(0)->attributes as $attributes) {
2637 if ($attributes->name == "ref") {
2638 $item["parent-uri"] = $attributes->textContent;
2643 // Get the type of the item (Top level post, reply or remote reply)
2644 $entrytype = self::getEntryType($importer, $item);
2646 // Now assign the rest of the values that depend on the type of the message
2647 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2648 if (!isset($item["object-type"])) {
2649 $item["object-type"] = ACTIVITY_OBJ_COMMENT;
2652 if ($item["contact-id"] != $owner["contact-id"]) {
2653 $item["contact-id"] = $owner["contact-id"];
2656 if (($item["network"] != $owner["network"]) && ($owner["network"] != "")) {
2657 $item["network"] = $owner["network"];
2660 if ($item["contact-id"] != $author["contact-id"]) {
2661 $item["contact-id"] = $author["contact-id"];
2664 if (($item["network"] != $author["network"]) && ($author["network"] != "")) {
2665 $item["network"] = $author["network"];
2668 /// @TODO maybe remove this old-lost code then?
2669 // This code was taken from the old DFRN code
2670 // When activated, forums don't work.
2671 // And: Why should we disallow commenting by followers?
2672 // the behaviour is now similar to the Diaspora part.
2673 //if ($importer["rel"] == CONTACT_IS_FOLLOWER) {
2674 // logger("Contact ".$importer["id"]." is only follower. Quitting", LOGGER_DEBUG);
2679 if ($entrytype == DFRN_REPLY_RC) {
2680 $item["type"] = "remote-comment";
2682 } elseif ($entrytype == DFRN_TOP_LEVEL) {
2683 if (!isset($item["object-type"])) {
2684 $item["object-type"] = ACTIVITY_OBJ_NOTE;
2688 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2689 logger("Item ".$item["uri"]." seems to contain an event.", LOGGER_DEBUG);
2690 $ev = bbtoevent($item["body"]);
2691 if ((x($ev, "desc") || x($ev, "summary")) && x($ev, "start")) {
2692 logger("Event in item ".$item["uri"]." was found.", LOGGER_DEBUG);
2693 /// @TODO Mixure of "/' ahead ...
2694 $ev["cid"] = $importer["id"];
2695 $ev["uid"] = $importer["uid"];
2696 $ev["uri"] = $item["uri"];
2697 $ev["edited"] = $item["edited"];
2698 $ev['private'] = $item['private'];
2699 $ev["guid"] = $item["guid"];
2702 "SELECT `id` FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2703 dbesc($item["uri"]),
2704 intval($importer["uid"])
2706 if (DBM::is_result($r)) {
2707 $ev["id"] = $r[0]["id"];
2710 $event_id = event_store($ev);
2711 logger("Event ".$event_id." was stored", LOGGER_DEBUG);
2717 if (!self::processVerbs($entrytype, $importer, $item, $is_like)) {
2718 logger("Exiting because 'processVerbs' told us so", LOGGER_DEBUG);
2722 // Update content if 'updated' changes
2723 if (DBM::is_result($current)) {
2724 if (self::updateContent($r[0], $item, $importer, $entrytype)) {
2725 logger("Item ".$item["uri"]." was updated.", LOGGER_DEBUG);
2727 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2732 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2733 $posted_id = item_store($item);
2737 logger("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, LOGGER_DEBUG);
2739 $item["id"] = $posted_id;
2742 "SELECT `parent`, `parent-uri` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
2744 intval($importer["importer_uid"])
2746 if (DBM::is_result($r)) {
2747 $parent = $r[0]["parent"];
2748 $parent_uri = $r[0]["parent-uri"];
2753 "UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
2754 dbesc(datetime_convert()),
2755 intval($importer["importer_uid"]),
2756 intval($r[0]["parent"])
2760 "UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d",
2761 dbesc(datetime_convert()),
2762 intval($importer["importer_uid"]),
2767 if ($posted_id && $parent && ($entrytype == DFRN_REPLY_RC)) {
2768 logger("Notifying followers about comment ".$posted_id, LOGGER_DEBUG);
2769 Worker::add(PRIORITY_HIGH, "Notifier", "comment-import", $posted_id);
2774 } else { // $entrytype == DFRN_TOP_LEVEL
2775 if (!link_compare($item["owner-link"], $importer["url"])) {
2777 * The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
2778 * but otherwise there's a possible data mixup on the sender's system.
2779 * the tgroup delivery code called from item_store will correct it if it's a forum,
2780 * but we're going to unconditionally correct it here so that the post will always be owned by our contact.
2782 logger('Correcting item owner.', LOGGER_DEBUG);
2783 $item["owner-name"] = $importer["senderName"];
2784 $item["owner-link"] = $importer["url"];
2785 $item["owner-avatar"] = $importer["thumb"];
2788 if (($importer["rel"] == CONTACT_IS_FOLLOWER) && (!tgroup_check($importer["importer_uid"], $item))) {
2789 logger("Contact ".$importer["id"]." is only follower and tgroup check was negative.", LOGGER_DEBUG);
2793 // This is my contact on another system, but it's really me.
2794 // Turn this into a wall post.
2795 $notify = item_is_remote_self($importer, $item);
2797 $posted_id = item_store($item, false, $notify);
2799 logger("Item was stored with id ".$posted_id, LOGGER_DEBUG);
2801 if (stristr($item["verb"], ACTIVITY_POKE)) {
2802 self::doPoke($item, $importer, $posted_id);
2808 * @brief Deletes items
2810 * @param object $xpath XPath object
2811 * @param object $deletion deletion elements
2812 * @param array $importer Record of the importer user mixed with contact of the content
2814 * @todo set proper type-hints
2816 private static function processDeletion($xpath, $deletion, $importer)
2818 logger("Processing deletions");
2820 foreach ($deletion->attributes as $attributes) {
2821 if ($attributes->name == "ref") {
2822 $uri = $attributes->textContent;
2824 if ($attributes->name == "when") {
2825 $when = $attributes->textContent;
2829 $when = datetime_convert("UTC", "UTC", $when, "Y-m-d H:i:s");
2831 $when = datetime_convert("UTC", "UTC", "now", "Y-m-d H:i:s");
2834 if (!$uri || !$importer["id"]) {
2838 /// @todo Only select the used fields
2840 "SELECT `item`.*, `contact`.`self` FROM `item` INNER JOIN `contact` on `item`.`contact-id` = `contact`.`id`
2841 WHERE `uri` = '%s' AND `item`.`uid` = %d AND `contact-id` = %d AND NOT `item`.`file` LIKE '%%[%%' LIMIT 1",
2843 intval($importer["uid"]),
2844 intval($importer["id"])
2846 if (!DBM::is_result($r)) {
2847 logger("Item with uri " . $uri . " from contact " . $importer["id"] . " for user " . $importer["uid"] . " wasn't found.", LOGGER_DEBUG);
2852 $entrytype = self::getEntryType($importer, $item);
2854 if (!$item["deleted"]) {
2855 logger('deleting item '.$item["id"].' uri='.$uri, LOGGER_DEBUG);
2860 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2861 logger("Deleting event ".$item["event-id"], LOGGER_DEBUG);
2862 event_delete($item["event-id"]);
2865 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2866 $xo = parse_xml_string($item["object"], false);
2867 $xt = parse_xml_string($item["target"], false);
2869 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2871 "SELECT `id`, `contact-id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2873 intval($importer["importer_uid"])
2875 if (DBM::is_result($i)) {
2876 // For tags, the owner cannot remove the tag on the author's copy of the post.
2878 $owner_remove = (($item["contact-id"] == $i[0]["contact-id"]) ? true: false);
2879 $author_remove = (($item["origin"] && $item["self"]) ? true : false);
2880 $author_copy = (($item["origin"]) ? true : false);
2882 if ($owner_remove && $author_copy) {
2885 if ($author_remove || $owner_remove) {
2886 $tags = explode(',', $i[0]["tag"]);
2889 foreach ($tags as $tag) {
2890 if (trim($tag) !== trim($xo->body)) {
2891 $newtags[] = trim($tag);
2896 "UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2897 dbesc(implode(',', $newtags)),
2900 create_tags_from_item($i[0]["id"]);
2906 if ($entrytype == DFRN_TOP_LEVEL) {
2908 "UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2909 `body` = '', `title` = ''
2910 WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2912 dbesc(datetime_convert()),
2914 intval($importer["uid"])
2916 create_tags_from_itemuri($uri, $importer["uid"]);
2917 create_files_from_itemuri($uri, $importer["uid"]);
2918 update_thread_uri($uri, $importer["uid"]);
2921 "UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2922 `body` = '', `title` = ''
2923 WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2925 dbesc(datetime_convert()),
2927 intval($importer["uid"])
2929 create_tags_from_itemuri($uri, $importer["uid"]);
2930 create_files_from_itemuri($uri, $importer["uid"]);
2931 update_thread_uri($uri, $importer["importer_uid"]);
2932 if ($item["last-child"]) {
2933 // ensure that last-child is set in case the comment that had it just got wiped.
2935 "UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2936 dbesc(datetime_convert()),
2937 dbesc($item["parent-uri"]),
2938 intval($item["uid"])
2940 // who is the last child now?
2942 "SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `moderated` = 0 AND `uid` = %d
2943 ORDER BY `created` DESC LIMIT 1",
2944 dbesc($item["parent-uri"]),
2945 intval($importer["uid"])
2947 if (DBM::is_result($r)) {
2949 "UPDATE `item` SET `last-child` = 1 WHERE `id` = %d",
2954 // if this is a relayed delete, propagate it to other recipients
2956 if ($entrytype == DFRN_REPLY_RC) {
2957 logger("Notifying followers about deletion of post " . $item["id"], LOGGER_DEBUG);
2958 Worker::add(PRIORITY_HIGH, "Notifier", "drop", $item["id"]);
2965 * @brief Imports a DFRN message
2967 * @param string $xml The DFRN message
2968 * @param array $importer Record of the importer user mixed with contact of the content
2969 * @param bool $sort_by_date Is used when feeds are polled
2970 * @return integer Import status
2971 * @todo set proper type-hints
2973 public static function import($xml, $importer, $sort_by_date = false)
2979 $doc = new DOMDocument();
2980 @$doc->loadXML($xml);
2982 $xpath = new DOMXPath($doc);
2983 $xpath->registerNamespace("atom", NAMESPACE_ATOM1);
2984 $xpath->registerNamespace("thr", NAMESPACE_THREAD);
2985 $xpath->registerNamespace("at", NAMESPACE_TOMB);
2986 $xpath->registerNamespace("media", NAMESPACE_MEDIA);
2987 $xpath->registerNamespace("dfrn", NAMESPACE_DFRN);
2988 $xpath->registerNamespace("activity", NAMESPACE_ACTIVITY);
2989 $xpath->registerNamespace("georss", NAMESPACE_GEORSS);
2990 $xpath->registerNamespace("poco", NAMESPACE_POCO);
2991 $xpath->registerNamespace("ostatus", NAMESPACE_OSTATUS);
2992 $xpath->registerNamespace("statusnet", NAMESPACE_STATUSNET);
2995 $header["uid"] = $importer["uid"];
2996 $header["network"] = NETWORK_DFRN;
2997 $header["type"] = "remote";
2998 $header["wall"] = 0;
2999 $header["origin"] = 0;
3000 $header["contact-id"] = $importer["id"];
3002 // Update the contact table if the data has changed
3004 // The "atom:author" is only present in feeds
3005 if ($xpath->query("/atom:feed/atom:author")->length > 0) {
3006 self::fetchauthor($xpath, $doc->firstChild, $importer, "atom:author", false, $xml);
3009 // Only the "dfrn:owner" in the head section contains all data
3010 if ($xpath->query("/atom:feed/dfrn:owner")->length > 0) {
3011 self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false, $xml);
3014 logger("Import DFRN message for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);
3016 // The account type is new since 3.5.1
3017 if ($xpath->query("/atom:feed/dfrn:account_type")->length > 0) {
3018 $accounttype = intval($xpath->evaluate("/atom:feed/dfrn:account_type/text()")->item(0)->nodeValue);
3020 if ($accounttype != $importer["contact-type"]) {
3021 dba::update('contact', array('contact-type' => $accounttype), array('id' => $importer["id"]));
3025 // is it a public forum? Private forums aren't supported with this method
3026 // This is deprecated since 3.5.1
3027 $forum = intval($xpath->evaluate("/atom:feed/dfrn:community/text()")->item(0)->nodeValue);
3029 if ($forum != $importer["forum"]) {
3030 $condition = array('`forum` != ? AND `id` = ?', $forum, $importer["id"]);
3031 dba::update('contact', array('forum' => $forum), $condition);
3034 // We are processing relocations even if we are ignoring a contact
3035 $relocations = $xpath->query("/atom:feed/dfrn:relocate");
3036 foreach ($relocations as $relocation) {
3037 self::processRelocation($xpath, $relocation, $importer);
3040 if ($importer["readonly"]) {
3041 // We aren't receiving stuff from this person. But we will quietly ignore them
3042 // rather than a blatant "go away" message.
3043 logger('ignoring contact '.$importer["id"]);
3047 $mails = $xpath->query("/atom:feed/dfrn:mail");
3048 foreach ($mails as $mail) {
3049 self::processMail($xpath, $mail, $importer);
3052 $suggestions = $xpath->query("/atom:feed/dfrn:suggest");
3053 foreach ($suggestions as $suggestion) {
3054 self::processSuggestion($xpath, $suggestion, $importer);
3057 $deletions = $xpath->query("/atom:feed/at:deleted-entry");
3058 foreach ($deletions as $deletion) {
3059 self::processDeletion($xpath, $deletion, $importer);
3062 if (!$sort_by_date) {
3063 $entries = $xpath->query("/atom:feed/atom:entry");
3064 foreach ($entries as $entry) {
3065 self::processEntry($header, $xpath, $entry, $importer, $xml);
3068 $newentries = array();
3069 $entries = $xpath->query("/atom:feed/atom:entry");
3070 foreach ($entries as $entry) {
3071 $created = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
3072 $newentries[strtotime($created)] = $entry;
3075 // Now sort after the publishing date
3078 foreach ($newentries as $entry) {
3079 self::processEntry($header, $xpath, $entry, $importer, $xml);
3082 logger("Import done for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);