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\Core\Config;
13 use Friendica\Core\System;
14 use Friendica\Core\Worker;
15 use Friendica\Database\DBM;
16 use Friendica\Model\GlobalContact;
17 use Friendica\Object\Contact;
18 use Friendica\Object\Photo;
19 use Friendica\Object\Profile;
20 use Friendica\Protocol\OStatus;
21 use Friendica\Util\XML;
27 require_once "include/enotify.php";
28 require_once "include/threads.php";
29 require_once "include/items.php";
30 require_once "include/tags.php";
31 require_once "include/files.php";
32 require_once "include/event.php";
33 require_once "include/text.php";
34 require_once "include/oembed.php";
35 require_once "include/html2bbcode.php";
36 require_once "include/bbcode.php";
39 * @brief This class contain functions to create and send DFRN XML files
44 const DFRN_TOP_LEVEL = 0; // Top level posting
45 const DFRN_REPLY = 1; // Regular reply that is stored locally
46 const DFRN_REPLY_RC = 2; // Reply that will be relayed
49 * @brief Generates the atom entries for delivery.php
51 * This function is used whenever content is transmitted via DFRN.
53 * @param array $items Item elements
54 * @param array $owner Owner record
56 * @return string DFRN entries
57 * @todo Add type-hints
59 public static function entries($items, $owner)
61 $doc = new DOMDocument('1.0', 'utf-8');
62 $doc->formatOutput = true;
64 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
66 if (! count($items)) {
67 return trim($doc->saveXML());
70 foreach ($items as $item) {
71 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
72 $root->appendChild($entry);
75 return(trim($doc->saveXML()));
79 * @brief Generate an atom feed for the given user
81 * This function is called when another server is pulling data from the user feed.
83 * @param string $dfrn_id DFRN ID from the requesting party
84 * @param string $owner_nick Owner nick name
85 * @param string $last_update Date of the last update
86 * @param int $direction Can be -1, 0 or 1.
87 * @param boolean $onlyheader Output only the header without content? (Default is "no")
89 * @return string DFRN feed entries
91 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false)
95 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
96 $public_feed = (($dfrn_id) ? false : true);
97 $starred = false; // not yet implemented, possible security issues
100 if ($public_feed && $a->argc > 2) {
101 for ($x = 2; $x < $a->argc; $x++) {
102 if ($a->argv[$x] == 'converse') {
105 if ($a->argv[$x] == 'starred') {
108 if ($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) {
109 $category = $a->argv[$x+1];
116 // default permissions - anonymous user
118 $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
121 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
122 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
123 WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
127 if (! DBM::is_result($r)) {
132 $owner_id = $owner['uid'];
133 $owner_nick = $owner['nickname'];
135 $sql_post_table = "";
137 if (! $public_feed) {
139 switch ($direction) {
141 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
145 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
146 $my_id = '1:' . $dfrn_id;
149 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
150 $my_id = '0:' . $dfrn_id;
158 "SELECT * FROM `contact` WHERE NOT `blocked` AND `contact`.`uid` = %d $sql_extra LIMIT 1",
162 if (! DBM::is_result($r)) {
167 include_once 'include/security.php';
168 $groups = init_groups_visitor($contact['id']);
170 if (count($groups)) {
171 for ($x = 0; $x < count($groups); $x ++)
172 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
173 $gs = implode('|', $groups);
175 $gs = '<<>>' ; // Impossible to match
178 $sql_extra = sprintf(
180 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
181 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
182 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
183 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
185 intval($contact['id']),
186 intval($contact['id']),
198 if (! strlen($last_update)) {
199 $last_update = 'now -30 days';
202 if (isset($category)) {
203 $sql_post_table = sprintf(
204 "INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
205 dbesc(protect_sprintf($category)),
206 intval(TERM_OBJ_POST),
207 intval(TERM_CATEGORY),
210 //$sql_extra .= file_tag_file_query('item',$category,'category');
215 $sql_extra .= " AND `contact`.`self` = 1 ";
219 $check_date = datetime_convert('UTC', 'UTC', $last_update, 'Y-m-d H:i:s');
222 "SELECT `item`.*, `item`.`id` AS `item_id`,
223 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
224 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
225 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
226 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
227 FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table
228 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
229 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
230 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
231 WHERE `item`.`uid` = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
232 AND `item`.`wall` AND `item`.`changed` > '%s'
234 ORDER BY `item`.`parent` ".$sort.", `item`.`created` ASC LIMIT 0, 300",
241 * Will check further below if this actually returned results.
242 * We will provide an empty feed if that is the case.
247 $doc = new DOMDocument('1.0', 'utf-8');
248 $doc->formatOutput = true;
250 $alternatelink = $owner['url'];
252 if (isset($category)) {
253 $alternatelink .= "/category/".$category;
257 $author = "dfrn:owner";
262 $root = self::addHeader($doc, $owner, $author, $alternatelink, true);
264 /// @TODO This hook can't work anymore
265 // call_hooks('atom_feed', $atom);
267 if (!DBM::is_result($items) || $onlyheader) {
268 $atom = trim($doc->saveXML());
270 call_hooks('atom_feed_end', $atom);
275 foreach ($items as $item) {
276 // prevent private email from leaking.
277 if ($item['network'] == NETWORK_MAIL) {
281 // public feeds get html, our own nodes use bbcode
285 // catch any email that's in a public conversation and make sure it doesn't leak
286 if ($item['private']) {
293 $entry = self::entry($doc, $type, $item, $owner, true);
294 $root->appendChild($entry);
297 $atom = trim($doc->saveXML());
299 call_hooks('atom_feed_end', $atom);
305 * @brief Generate an atom entry for a given item id
307 * @param int $item_id The item id
308 * @param boolean $conversation Show the conversation. If false show the single post.
310 * @return string DFRN feed entry
312 public static function itemFeed($item_id, $conversation = false)
315 $condition = '`item`.`parent`';
317 $condition = '`item`.`id`';
321 "SELECT `item`.*, `item`.`id` AS `item_id`,
322 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
323 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
324 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
325 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
327 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
328 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
329 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
330 WHERE %s = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
331 AND NOT `item`.`private`",
336 if (!DBM::is_result($r)) {
344 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
345 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
346 WHERE `contact`.`self` AND `user`.`uid` = %d LIMIT 1",
350 if (!DBM::is_result($r)) {
356 $doc = new DOMDocument('1.0', 'utf-8');
357 $doc->formatOutput = true;
361 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
362 $doc->appendChild($root);
364 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
365 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
366 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
367 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
368 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
369 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
370 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
371 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
372 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
374 //$root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
376 foreach ($items as $item) {
377 $entry = self::entry($doc, $type, $item, $owner, true, 0);
378 $root->appendChild($entry);
381 $root = self::entry($doc, $type, $item, $owner, true, 0, true);
384 $atom = trim($doc->saveXML());
389 * @brief Create XML text for DFRN mails
391 * @param array $item message elements
392 * @param array $owner Owner record
394 * @return string DFRN mail
395 * @todo Add type-hints
397 public static function mail($item, $owner)
399 $doc = new DOMDocument('1.0', 'utf-8');
400 $doc->formatOutput = true;
402 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
404 $mail = $doc->createElement("dfrn:mail");
405 $sender = $doc->createElement("dfrn:sender");
407 XML::addElement($doc, $sender, "dfrn:name", $owner['name']);
408 XML::addElement($doc, $sender, "dfrn:uri", $owner['url']);
409 XML::addElement($doc, $sender, "dfrn:avatar", $owner['thumb']);
411 $mail->appendChild($sender);
413 XML::addElement($doc, $mail, "dfrn:id", $item['uri']);
414 XML::addElement($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
415 XML::addElement($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00', ATOM_TIME));
416 XML::addElement($doc, $mail, "dfrn:subject", $item['title']);
417 XML::addElement($doc, $mail, "dfrn:content", $item['body']);
419 $root->appendChild($mail);
421 return(trim($doc->saveXML()));
425 * @brief Create XML text for DFRN friend suggestions
427 * @param array $item suggestion elements
428 * @param array $owner Owner record
430 * @return string DFRN suggestions
431 * @todo Add type-hints
433 public static function fsuggest($item, $owner)
435 $doc = new DOMDocument('1.0', 'utf-8');
436 $doc->formatOutput = true;
438 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
440 $suggest = $doc->createElement("dfrn:suggest");
442 XML::addElement($doc, $suggest, "dfrn:url", $item['url']);
443 XML::addElement($doc, $suggest, "dfrn:name", $item['name']);
444 XML::addElement($doc, $suggest, "dfrn:photo", $item['photo']);
445 XML::addElement($doc, $suggest, "dfrn:request", $item['request']);
446 XML::addElement($doc, $suggest, "dfrn:note", $item['note']);
448 $root->appendChild($suggest);
450 return(trim($doc->saveXML()));
454 * @brief Create XML text for DFRN relocations
456 * @param array $owner Owner record
457 * @param int $uid User ID
459 * @return string DFRN relocations
460 * @todo Add type-hints
462 public static function relocate($owner, $uid)
465 /* get site pubkey. this could be a new installation with no site keys*/
466 $pubkey = Config::get('system', 'site_pubkey');
468 $res = new_keypair(1024);
469 Config::set('system', 'site_prvkey', $res['prvkey']);
470 Config::set('system', 'site_pubkey', $res['pubkey']);
474 "SELECT `resource-id` , `scale`, type FROM `photo`
475 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;",
479 $ext = Photo::supportedTypes();
481 foreach ($rp as $p) {
482 $photos[$p['scale']] = System::baseUrl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
487 $doc = new DOMDocument('1.0', 'utf-8');
488 $doc->formatOutput = true;
490 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
492 $relocate = $doc->createElement("dfrn:relocate");
494 XML::addElement($doc, $relocate, "dfrn:url", $owner['url']);
495 XML::addElement($doc, $relocate, "dfrn:name", $owner['name']);
496 XML::addElement($doc, $relocate, "dfrn:addr", $owner['addr']);
497 XML::addElement($doc, $relocate, "dfrn:avatar", $owner['avatar']);
498 XML::addElement($doc, $relocate, "dfrn:photo", $photos[4]);
499 XML::addElement($doc, $relocate, "dfrn:thumb", $photos[5]);
500 XML::addElement($doc, $relocate, "dfrn:micro", $photos[6]);
501 XML::addElement($doc, $relocate, "dfrn:request", $owner['request']);
502 XML::addElement($doc, $relocate, "dfrn:confirm", $owner['confirm']);
503 XML::addElement($doc, $relocate, "dfrn:notify", $owner['notify']);
504 XML::addElement($doc, $relocate, "dfrn:poll", $owner['poll']);
505 XML::addElement($doc, $relocate, "dfrn:sitepubkey", Config::get('system', 'site_pubkey'));
507 $root->appendChild($relocate);
509 return(trim($doc->saveXML()));
513 * @brief Adds the header elements for the DFRN protocol
515 * @param object $doc XML document
516 * @param array $owner Owner record
517 * @param string $authorelement Element name for the author
518 * @param string $alternatelink link to profile or category
519 * @param bool $public Is it a header for public posts?
521 * @return object XML root object
522 * @todo Add type-hints
524 private static function addHeader($doc, $owner, $authorelement, $alternatelink = "", $public = false)
527 if ($alternatelink == "") {
528 $alternatelink = $owner['url'];
531 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
532 $doc->appendChild($root);
534 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
535 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
536 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
537 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
538 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
539 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
540 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
541 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
542 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
544 XML::addElement($doc, $root, "id", System::baseUrl()."/profile/".$owner["nick"]);
545 XML::addElement($doc, $root, "title", $owner["name"]);
547 $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
548 XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
550 $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/");
551 XML::addElement($doc, $root, "link", "", $attributes);
553 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink);
554 XML::addElement($doc, $root, "link", "", $attributes);
558 // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
559 OStatus::hublinks($doc, $root, $owner["nick"]);
561 $attributes = array("rel" => "salmon", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
562 XML::addElement($doc, $root, "link", "", $attributes);
564 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
565 XML::addElement($doc, $root, "link", "", $attributes);
567 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
568 XML::addElement($doc, $root, "link", "", $attributes);
571 // For backward compatibility we keep this element
572 if ($owner['page-flags'] == PAGE_COMMUNITY) {
573 XML::addElement($doc, $root, "dfrn:community", 1);
576 // The former element is replaced by this one
577 XML::addElement($doc, $root, "dfrn:account_type", $owner["account-type"]);
579 /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP"
581 XML::addElement($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
583 $author = self::addAuthor($doc, $owner, $authorelement, $public);
584 $root->appendChild($author);
590 * @brief Adds the author element in the header for the DFRN protocol
592 * @param object $doc XML document
593 * @param array $owner Owner record
594 * @param string $authorelement Element name for the author
595 * @param boolean $public boolean
597 * @return object XML author object
598 * @todo Add type-hints
600 private static function addAuthor($doc, $owner, $authorelement, $public)
602 // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
604 "SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
605 WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d",
606 intval($owner['uid'])
608 if (DBM::is_result($r)) {
614 $author = $doc->createElement($authorelement);
616 $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00', ATOM_TIME);
617 $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
618 $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
620 $attributes = array();
622 if (!$public || !$hidewall) {
623 $attributes = array("dfrn:updated" => $namdate);
626 XML::addElement($doc, $author, "name", $owner["name"], $attributes);
627 XML::addElement($doc, $author, "uri", System::baseUrl().'/profile/'.$owner["nickname"], $attributes);
628 XML::addElement($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
630 $attributes = array("rel" => "photo", "type" => "image/jpeg",
631 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
633 if (!$public || !$hidewall) {
634 $attributes["dfrn:updated"] = $picdate;
637 XML::addElement($doc, $author, "link", "", $attributes);
639 $attributes["rel"] = "avatar";
640 XML::addElement($doc, $author, "link", "", $attributes);
643 XML::addElement($doc, $author, "dfrn:hide", "true");
646 // The following fields will only be generated if the data isn't meant for a public feed
651 $birthday = feed_birthday($owner['uid'], $owner['timezone']);
654 XML::addElement($doc, $author, "dfrn:birthday", $birthday);
657 // Only show contact details when we are allowed to
659 "SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`,
660 `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
661 `profile`.`pub_keywords`, `profile`.`xmpp`, `profile`.`dob`
663 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
664 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
665 intval($owner['uid'])
667 if (DBM::is_result($r)) {
670 XML::addElement($doc, $author, "poco:displayName", $profile["name"]);
671 XML::addElement($doc, $author, "poco:updated", $namdate);
673 if (trim($profile["dob"]) > '0001-01-01') {
674 XML::addElement($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
677 XML::addElement($doc, $author, "poco:note", $profile["about"]);
678 XML::addElement($doc, $author, "poco:preferredUsername", $profile["nickname"]);
680 $savetz = date_default_timezone_get();
681 date_default_timezone_set($profile["timezone"]);
682 XML::addElement($doc, $author, "poco:utcOffset", date("P"));
683 date_default_timezone_set($savetz);
685 if (trim($profile["homepage"]) != "") {
686 $urls = $doc->createElement("poco:urls");
687 XML::addElement($doc, $urls, "poco:type", "homepage");
688 XML::addElement($doc, $urls, "poco:value", $profile["homepage"]);
689 XML::addElement($doc, $urls, "poco:primary", "true");
690 $author->appendChild($urls);
693 if (trim($profile["pub_keywords"]) != "") {
694 $keywords = explode(",", $profile["pub_keywords"]);
696 foreach ($keywords as $keyword) {
697 XML::addElement($doc, $author, "poco:tags", trim($keyword));
701 if (trim($profile["xmpp"]) != "") {
702 $ims = $doc->createElement("poco:ims");
703 XML::addElement($doc, $ims, "poco:type", "xmpp");
704 XML::addElement($doc, $ims, "poco:value", $profile["xmpp"]);
705 XML::addElement($doc, $ims, "poco:primary", "true");
706 $author->appendChild($ims);
709 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
710 $element = $doc->createElement("poco:address");
712 XML::addElement($doc, $element, "poco:formatted", Profile::formatLocation($profile));
714 if (trim($profile["locality"]) != "") {
715 XML::addElement($doc, $element, "poco:locality", $profile["locality"]);
718 if (trim($profile["region"]) != "") {
719 XML::addElement($doc, $element, "poco:region", $profile["region"]);
722 if (trim($profile["country-name"]) != "") {
723 XML::addElement($doc, $element, "poco:country", $profile["country-name"]);
726 $author->appendChild($element);
734 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
736 * @param object $doc XML document
737 * @param string $element Element name for the author
738 * @param string $contact_url Link of the contact
739 * @param array $item Item elements
741 * @return object XML author object
742 * @todo Add type-hints
744 private static function addEntryAuthor($doc, $element, $contact_url, $item)
746 $contact = Contact::getDetailsByURL($contact_url, $item["uid"]);
748 $author = $doc->createElement($element);
749 XML::addElement($doc, $author, "name", $contact["name"]);
750 XML::addElement($doc, $author, "uri", $contact["url"]);
751 XML::addElement($doc, $author, "dfrn:handle", $contact["addr"]);
754 /// - Check real image type and image size
755 /// - Check which of these boths elements we should use
758 "type" => "image/jpeg",
760 "media:height" => 80,
761 "href" => $contact["photo"]);
762 XML::addElement($doc, $author, "link", "", $attributes);
766 "type" => "image/jpeg",
768 "media:height" => 80,
769 "href" => $contact["photo"]);
770 XML::addElement($doc, $author, "link", "", $attributes);
776 * @brief Adds the activity elements
778 * @param object $doc XML document
779 * @param string $element Element name for the activity
780 * @param string $activity activity value
782 * @return object XML activity object
783 * @todo Add type-hints
785 private static function createActivity($doc, $element, $activity)
788 $entry = $doc->createElement($element);
790 $r = parse_xml_string($activity, false);
795 XML::addElement($doc, $entry, "activity:object-type", $r->type);
798 XML::addElement($doc, $entry, "id", $r->id);
801 XML::addElement($doc, $entry, "title", $r->title);
805 if (substr($r->link, 0, 1) == '<') {
806 if (strstr($r->link, '&') && (! strstr($r->link, '&'))) {
807 $r->link = str_replace('&', '&', $r->link);
810 $r->link = preg_replace('/\<link(.*?)\"\>/', '<link$1"/>', $r->link);
812 // XML does need a single element as root element so we add a dummy element here
813 $data = parse_xml_string("<dummy>" . $r->link . "</dummy>", false);
814 if (is_object($data)) {
815 foreach ($data->link as $link) {
816 $attributes = array();
817 foreach ($link->attributes() as $parameter => $value) {
818 $attributes[$parameter] = $value;
820 XML::addElement($doc, $entry, "link", "", $attributes);
824 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link);
825 XML::addElement($doc, $entry, "link", "", $attributes);
829 XML::addElement($doc, $entry, "content", bbcode($r->content), array("type" => "html"));
839 * @brief Adds the elements for attachments
841 * @param object $doc XML document
842 * @param object $root XML root
843 * @param array $item Item element
845 * @return object XML attachment object
846 * @todo Add type-hints
848 private static function getAttachment($doc, $root, $item)
850 $arr = explode('[/attach],', $item['attach']);
852 foreach ($arr as $r) {
854 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
856 $attributes = array("rel" => "enclosure",
857 "href" => $matches[1],
858 "type" => $matches[3]);
860 if (intval($matches[2])) {
861 $attributes["length"] = intval($matches[2]);
864 if (trim($matches[4]) != "") {
865 $attributes["title"] = trim($matches[4]);
868 XML::addElement($doc, $root, "link", "", $attributes);
875 * @brief Adds the "entry" elements for the DFRN protocol
877 * @param object $doc XML document
878 * @param string $type "text" or "html"
879 * @param array $item Item element
880 * @param array $owner Owner record
881 * @param bool $comment Trigger the sending of the "comment" element
882 * @param int $cid Contact ID of the recipient
883 * @param bool $single If set, the entry is created as an XML document with a single "entry" element
885 * @return object XML entry object
886 * @todo Add type-hints
888 private static function entry($doc, $type, $item, $owner, $comment = false, $cid = 0, $single = false)
890 $mentioned = array();
892 if (!$item['parent']) {
896 if ($item['deleted']) {
897 $attributes = array("ref" => $item['uri'], "when" => datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00', ATOM_TIME));
898 return XML::createElement($doc, "at:deleted-entry", "", $attributes);
902 $entry = $doc->createElement("entry");
904 $entry = $doc->createElementNS(NAMESPACE_ATOM1, 'entry');
905 $doc->appendChild($entry);
907 $entry->setAttribute("xmlns:thr", NAMESPACE_THREAD);
908 $entry->setAttribute("xmlns:at", NAMESPACE_TOMB);
909 $entry->setAttribute("xmlns:media", NAMESPACE_MEDIA);
910 $entry->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
911 $entry->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
912 $entry->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
913 $entry->setAttribute("xmlns:poco", NAMESPACE_POCO);
914 $entry->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
915 $entry->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
918 if ($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) {
919 $body = fix_private_photos($item['body'], $owner['uid'], $item, $cid);
921 $body = $item['body'];
924 // Remove the abstract element. It is only locally important.
925 $body = remove_abstract($body);
927 if ($type == 'html') {
930 if ($item['title'] != "") {
931 $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody;
934 $htmlbody = bbcode($htmlbody, false, false, 7);
937 $author = self::addEntryAuthor($doc, "author", $item["author-link"], $item);
938 $entry->appendChild($author);
940 $dfrnowner = self::addEntryAuthor($doc, "dfrn:owner", $item["owner-link"], $item);
941 $entry->appendChild($dfrnowner);
943 if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
944 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
945 $parent = q("SELECT `guid`,`plink` FROM `item` WHERE `uri` = '%s' AND `uid` = %d", dbesc($parent_item), intval($item['uid']));
946 $attributes = array("ref" => $parent_item, "type" => "text/html",
947 "href" => $parent[0]['plink'],
948 "dfrn:diaspora_guid" => $parent[0]['guid']);
949 XML::addElement($doc, $entry, "thr:in-reply-to", "", $attributes);
952 // Add conversation data. This is used for OStatus
953 $conversation_href = System::baseUrl()."/display/".$owner["nick"]."/".$item["parent"];
954 $conversation_uri = $conversation_href;
956 if (isset($parent_item)) {
957 $r = dba::fetch_first("SELECT `conversation-uri`, `conversation-href` FROM `conversation` WHERE `item-uri` = ?", $item['parent-uri']);
958 if (DBM::is_result($r)) {
959 if ($r['conversation-uri'] != '') {
960 $conversation_uri = $r['conversation-uri'];
962 if ($r['conversation-href'] != '') {
963 $conversation_href = $r['conversation-href'];
969 "href" => $conversation_href,
970 "ref" => $conversation_uri);
972 XML::addElement($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
974 XML::addElement($doc, $entry, "id", $item["uri"]);
975 XML::addElement($doc, $entry, "title", $item["title"]);
977 XML::addElement($doc, $entry, "published", datetime_convert("UTC", "UTC", $item["created"] . "+00:00", ATOM_TIME));
978 XML::addElement($doc, $entry, "updated", datetime_convert("UTC", "UTC", $item["edited"] . "+00:00", ATOM_TIME));
980 // "dfrn:env" is used to read the content
981 XML::addElement($doc, $entry, "dfrn:env", base64url_encode($body, true));
983 // The "content" field is not read by the receiver. We could remove it when the type is "text"
984 // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
985 XML::addElement($doc, $entry, "content", (($type == 'html') ? $htmlbody : $body), array("type" => $type));
987 // We save this value in "plink". Maybe we should read it from there as well?
993 array("rel" => "alternate", "type" => "text/html",
994 "href" => System::baseUrl() . "/display/" . $item["guid"])
997 // "comment-allow" is some old fashioned stuff for old Friendica versions.
998 // It is included in the rewritten code for completeness
1000 XML::addElement($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
1003 if ($item['location']) {
1004 XML::addElement($doc, $entry, "dfrn:location", $item['location']);
1007 if ($item['coord']) {
1008 XML::addElement($doc, $entry, "georss:point", $item['coord']);
1011 if (($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid'])) {
1012 XML::addElement($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
1015 if ($item['extid']) {
1016 XML::addElement($doc, $entry, "dfrn:extid", $item['extid']);
1019 if ($item['bookmark']) {
1020 XML::addElement($doc, $entry, "dfrn:bookmark", "true");
1024 XML::addElement($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
1027 XML::addElement($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
1029 // The signed text contains the content in Markdown, the sender handle and the signatur for the content
1030 // It is needed for relayed comments to Diaspora.
1031 if ($item['signed_text']) {
1032 $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
1033 XML::addElement($doc, $entry, "dfrn:diaspora_signature", $sign);
1036 XML::addElement($doc, $entry, "activity:verb", construct_verb($item));
1038 if ($item['object-type'] != "") {
1039 XML::addElement($doc, $entry, "activity:object-type", $item['object-type']);
1040 } elseif ($item['id'] == $item['parent']) {
1041 XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
1043 XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
1046 $actobj = self::createActivity($doc, "activity:object", $item['object']);
1048 $entry->appendChild($actobj);
1051 $actarg = self::createActivity($doc, "activity:target", $item['target']);
1053 $entry->appendChild($actarg);
1056 $tags = item_getfeedtags($item);
1059 foreach ($tags as $t) {
1060 if (($type != 'html') || ($t[0] != "@")) {
1061 XML::addElement($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]));
1067 foreach ($tags as $t) {
1069 $mentioned[$t[1]] = $t[1];
1074 foreach ($mentioned as $mention) {
1076 "SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
1077 intval($owner["uid"]),
1078 dbesc(normalise_link($mention))
1081 if (DBM::is_result($r) && ($r[0]["forum"] || $r[0]["prv"])) {
1087 array("rel" => "mentioned",
1088 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
1097 array("rel" => "mentioned",
1098 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
1104 self::getAttachment($doc, $entry, $item);
1110 * @brief encrypts data via AES
1112 * @param string $data The data that is to be encrypted
1113 * @param string $key The AES key
1115 * @return string encrypted data
1117 private static function aesEncrypt($data, $key)
1119 return openssl_encrypt($data, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1123 * @brief decrypts data via AES
1125 * @param string $encrypted The encrypted data
1126 * @param string $key The AES key
1128 * @return string decrypted data
1130 public static function aesDecrypt($encrypted, $key)
1132 return openssl_decrypt($encrypted, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1136 * @brief Delivers the atom content to the contacts
1138 * @param array $owner Owner record
1139 * @param array $contact Contact record of the receiver
1140 * @param string $atom Content that will be transmitted
1141 * @param bool $dissolve (to be documented)
1143 * @return int Deliver status. -1 means an error.
1144 * @todo Add array type-hint for $owner, $contact
1146 public static function deliver($owner, $contact, $atom, $dissolve = false)
1150 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
1152 if ($contact['duplex'] && $contact['dfrn-id']) {
1153 $idtosend = '0:' . $orig_id;
1155 if ($contact['duplex'] && $contact['issued-id']) {
1156 $idtosend = '1:' . $orig_id;
1159 $rino = Config::get('system', 'rino_encrypt');
1160 $rino = intval($rino);
1162 logger("Local rino version: ". $rino, LOGGER_DEBUG);
1164 $ssl_val = intval(Config::get('system', 'ssl_policy'));
1168 case SSL_POLICY_FULL:
1169 $ssl_policy = 'full';
1171 case SSL_POLICY_SELFSIGN:
1172 $ssl_policy = 'self';
1174 case SSL_POLICY_NONE:
1176 $ssl_policy = 'none';
1180 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
1182 logger('dfrn_deliver: ' . $url);
1184 $ret = z_fetch_url($url);
1186 if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
1187 return -2; // timed out
1190 $xml = $ret['body'];
1192 $curl_stat = $a->get_curl_code();
1194 return -3; // timed out
1197 logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
1203 if (strpos($xml, '<?xml') === false) {
1204 logger('dfrn_deliver: no valid XML returned');
1205 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
1209 $res = parse_xml_string($xml);
1211 if ((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) {
1212 return (($res->status) ? $res->status : 3);
1215 $postvars = array();
1216 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
1217 $challenge = hex2bin((string) $res->challenge);
1218 $perm = (($res->perm) ? $res->perm : null);
1219 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
1220 $rino_remote_version = intval($res->rino);
1221 $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0);
1223 logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG);
1225 if ($owner['page-flags'] == PAGE_PRVGROUP) {
1229 $final_dfrn_id = '';
1232 if ((($perm == 'rw') && (! intval($contact['writable'])))
1233 || (($perm == 'r') && (intval($contact['writable'])))
1236 "update contact set writable = %d where id = %d",
1237 intval(($perm == 'rw') ? 1 : 0),
1238 intval($contact['id'])
1240 $contact['writable'] = (string) 1 - intval($contact['writable']);
1244 if (($contact['duplex'] && strlen($contact['pubkey']))
1245 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1246 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))
1248 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
1249 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
1251 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
1252 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
1255 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
1257 if (strpos($final_dfrn_id, ':') == 1) {
1258 $final_dfrn_id = substr($final_dfrn_id, 2);
1261 if ($final_dfrn_id != $orig_id) {
1262 logger('dfrn_deliver: wrong dfrn_id.');
1263 // did not decode properly - cannot trust this site
1267 $postvars['dfrn_id'] = $idtosend;
1268 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
1270 $postvars['dissolve'] = '1';
1274 if ((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1275 $postvars['data'] = $atom;
1276 $postvars['perm'] = 'rw';
1278 $postvars['data'] = str_replace('<dfrn:comment-allow>1', '<dfrn:comment-allow>0', $atom);
1279 $postvars['perm'] = 'r';
1282 $postvars['ssl_policy'] = $ssl_policy;
1285 $postvars['page'] = $page;
1289 if ($rino > 0 && $rino_remote_version > 0 && (! $dissolve)) {
1290 logger('rino version: '. $rino_remote_version);
1292 switch ($rino_remote_version) {
1294 // Deprecated rino version!
1295 $key = openssl_random_pseudo_bytes(16);
1296 $data = self::aesEncrypt($postvars['data'], $key);
1299 // RINO 2 based on php-encryption
1301 $key = \Crypto::createNewRandomKey();
1302 } catch (\CryptoTestFailedException $ex) {
1303 logger('Cannot safely create a key');
1305 } catch (\CannotPerformOperationException $ex) {
1306 logger('Cannot safely create a key');
1310 $data = \Crypto::encrypt($postvars['data'], $key);
1311 } catch (\CryptoTestFailedException $ex) {
1312 logger('Cannot safely perform encryption');
1314 } catch (\CannotPerformOperationException $ex) {
1315 logger('Cannot safely perform encryption');
1320 logger("rino: invalid requested version '$rino_remote_version'");
1324 $postvars['rino'] = $rino_remote_version;
1325 $postvars['data'] = bin2hex($data);
1327 //logger('rino: sent key = ' . $key, LOGGER_DEBUG);
1330 if ($dfrn_version >= 2.1) {
1331 if (($contact['duplex'] && strlen($contact['pubkey']))
1332 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1333 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))
1335 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1337 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1340 if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1341 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1343 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1347 logger('md5 rawkey ' . md5($postvars['key']));
1349 $postvars['key'] = bin2hex($postvars['key']);
1353 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars, true), LOGGER_DATA);
1355 $xml = post_url($contact['notify'], $postvars);
1357 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
1359 $curl_stat = $a->get_curl_code();
1360 if ((!$curl_stat) || (!strlen($xml))) {
1361 return -9; // timed out
1364 if (($curl_stat == 503) && (stristr($a->get_curl_headers(), 'retry-after'))) {
1368 if (strpos($xml, '<?xml') === false) {
1369 logger('dfrn_deliver: phase 2: no valid XML returned');
1370 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
1374 if ($contact['term-date'] > NULL_DATE) {
1375 logger("dfrn_deliver: $url back from the dead - removing mark for death");
1376 Contact::unmarkForArchival($contact);
1379 $res = parse_xml_string($xml);
1381 if (!isset($res->status)) {
1385 if (!empty($res->message)) {
1386 logger('Delivery returned status '.$res->status.' - '.$res->message, LOGGER_DEBUG);
1389 return intval($res->status);
1393 * @brief Add new birthday event for this person
1395 * @param array $contact Contact record
1396 * @param string $birthday Birthday of the contact
1398 * @todo Add array type-hint for $contact
1400 private static function birthdayEvent($contact, $birthday)
1402 // Check for duplicates
1404 "SELECT `id` FROM `event` WHERE `uid` = %d AND `cid` = %d AND `start` = '%s' AND `type` = '%s' LIMIT 1",
1405 intval($contact["uid"]),
1406 intval($contact["id"]),
1407 dbesc(datetime_convert("UTC", "UTC", $birthday)),
1411 if (DBM::is_result($r)) {
1415 logger("updating birthday: ".$birthday." for contact ".$contact["id"]);
1417 $bdtext = sprintf(t("%s\'s birthday"), $contact["name"]);
1418 $bdtext2 = sprintf(t("Happy Birthday %s"), " [url=".$contact["url"]."]".$contact["name"]."[/url]");
1421 "INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`)
1422 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
1423 intval($contact["uid"]),
1424 intval($contact["id"]),
1425 dbesc(datetime_convert()),
1426 dbesc(datetime_convert()),
1427 dbesc(datetime_convert("UTC", "UTC", $birthday)),
1428 dbesc(datetime_convert("UTC", "UTC", $birthday . " + 1 day ")),
1436 * @brief Fetch the author data from head or entry items
1438 * @param object $xpath XPath object
1439 * @param object $context In which context should the data be searched
1440 * @param array $importer Record of the importer user mixed with contact of the content
1441 * @param string $element Element name from which the data is fetched
1442 * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well
1443 * @param string $xml optional, default empty
1445 * @return Returns an array with relevant data of the author
1446 * @todo Find good type-hints for all parameter
1448 private static function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "")
1451 $author["name"] = $xpath->evaluate($element."/atom:name/text()", $context)->item(0)->nodeValue;
1452 $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue;
1455 "SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`,
1456 `name`, `nick`, `about`, `location`, `keywords`, `xmpp`, `bdyear`, `bd`, `hidden`, `contact-type`
1457 FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
1458 intval($importer["uid"]),
1459 dbesc(normalise_link($author["link"])),
1460 dbesc(NETWORK_STATUSNET)
1463 if (DBM::is_result($r)) {
1465 $author["contact-id"] = $r[0]["id"];
1466 $author["network"] = $r[0]["network"];
1469 logger("Contact ".$author["link"]." wasn't found for user ".$importer["uid"]." XML: ".$xml, LOGGER_DEBUG);
1472 $author["contact-id"] = $importer["id"];
1473 $author["network"] = $importer["network"];
1477 // Until now we aren't serving different sizes - but maybe later
1478 $avatarlist = array();
1479 /// @todo check if "avatar" or "photo" would be the best field in the specification
1480 $avatars = $xpath->query($element."/atom:link[@rel='avatar']", $context);
1481 foreach ($avatars as $avatar) {
1484 foreach ($avatar->attributes as $attributes) {
1485 /// @TODO Rewrite these similar if () to one switch
1486 if ($attributes->name == "href") {
1487 $href = $attributes->textContent;
1489 if ($attributes->name == "width") {
1490 $width = $attributes->textContent;
1492 if ($attributes->name == "updated") {
1493 $contact["avatar-date"] = $attributes->textContent;
1496 if (($width > 0) && ($href != "")) {
1497 $avatarlist[$width] = $href;
1500 if (count($avatarlist) > 0) {
1501 krsort($avatarlist);
1502 $author["avatar"] = current($avatarlist);
1505 if (DBM::is_result($r) && !$onlyfetch) {
1506 logger("Check if contact details for contact " . $r[0]["id"] . " (" . $r[0]["nick"] . ") have to be updated.", LOGGER_DEBUG);
1508 $poco = array("url" => $contact["url"]);
1510 // When was the last change to name or uri?
1511 $name_element = $xpath->query($element . "/atom:name", $context)->item(0);
1512 foreach ($name_element->attributes as $attributes) {
1513 if ($attributes->name == "updated") {
1514 $poco["name-date"] = $attributes->textContent;
1518 $link_element = $xpath->query($element . "/atom:link", $context)->item(0);
1519 foreach ($link_element->attributes as $attributes) {
1520 if ($attributes->name == "updated") {
1521 $poco["uri-date"] = $attributes->textContent;
1525 // Update contact data
1526 $value = $xpath->evaluate($element . "/dfrn:handle/text()", $context)->item(0)->nodeValue;
1528 $poco["addr"] = $value;
1531 $value = $xpath->evaluate($element . "/poco:displayName/text()", $context)->item(0)->nodeValue;
1533 $poco["name"] = $value;
1536 $value = $xpath->evaluate($element . "/poco:preferredUsername/text()", $context)->item(0)->nodeValue;
1538 $poco["nick"] = $value;
1541 $value = $xpath->evaluate($element . "/poco:note/text()", $context)->item(0)->nodeValue;
1543 $poco["about"] = $value;
1546 $value = $xpath->evaluate($element . "/poco:address/poco:formatted/text()", $context)->item(0)->nodeValue;
1548 $poco["location"] = $value;
1551 /// @todo Only search for elements with "poco:type" = "xmpp"
1552 $value = $xpath->evaluate($element . "/poco:ims/poco:value/text()", $context)->item(0)->nodeValue;
1554 $poco["xmpp"] = $value;
1557 /// @todo Add support for the following fields that we don't support by now in the contact table:
1558 /// - poco:utcOffset
1564 // If the "hide" element is present then the profile isn't searchable.
1565 $hide = intval($xpath->evaluate($element . "/dfrn:hide/text()", $context)->item(0)->nodeValue == "true");
1567 logger("Hidden status for contact " . $contact["url"] . ": " . $hide, LOGGER_DEBUG);
1569 // If the contact isn't searchable then set the contact to "hidden".
1570 // Problem: This can be manually overridden by the user.
1572 $contact["hidden"] = true;
1575 // Save the keywords into the contact table
1577 $tagelements = $xpath->evaluate($element . "/poco:tags/text()", $context);
1578 foreach ($tagelements as $tag) {
1579 $tags[$tag->nodeValue] = $tag->nodeValue;
1583 $poco["keywords"] = implode(", ", $tags);
1586 // "dfrn:birthday" contains the birthday converted to UTC
1587 $old_bdyear = $contact["bdyear"];
1589 $birthday = $xpath->evaluate($element . "/dfrn:birthday/text()", $context)->item(0)->nodeValue;
1591 if (strtotime($birthday) > time()) {
1592 $bd_timestamp = strtotime($birthday);
1594 $poco["bdyear"] = date("Y", $bd_timestamp);
1597 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1598 $value = $xpath->evaluate($element . "/poco:birthday/text()", $context)->item(0)->nodeValue;
1600 if (!in_array($value, array("", "0000-00-00", "0001-01-01"))) {
1601 $bdyear = date("Y");
1602 $value = str_replace("0000", $bdyear, $value);
1604 if (strtotime($value) < time()) {
1605 $value = str_replace($bdyear, $bdyear + 1, $value);
1606 $bdyear = $bdyear + 1;
1609 $poco["bd"] = $value;
1612 $contact = array_merge($contact, $poco);
1614 if ($old_bdyear != $contact["bdyear"]) {
1615 self::birthdayEvent($contact, $birthday);
1618 // Get all field names
1620 foreach ($r[0] as $field => $data) {
1621 $fields[$field] = $data;
1624 unset($fields["id"]);
1625 unset($fields["uid"]);
1626 unset($fields["url"]);
1627 unset($fields["avatar-date"]);
1628 unset($fields["name-date"]);
1629 unset($fields["uri-date"]);
1631 // Update check for this field has to be done differently
1632 $datefields = array("name-date", "uri-date");
1633 foreach ($datefields as $field) {
1634 if (strtotime($contact[$field]) > strtotime($r[0][$field])) {
1635 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1640 foreach ($fields as $field => $data) {
1641 if ($contact[$field] != $r[0][$field]) {
1642 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1648 logger("Update contact data for contact " . $contact["id"] . " (" . $contact["nick"] . ")", LOGGER_DEBUG);
1651 "UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s',
1652 `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s', `hidden` = %d,
1653 `xmpp` = '%s', `name-date` = '%s', `uri-date` = '%s'
1654 WHERE `id` = %d AND `network` = '%s'",
1655 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
1656 dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]),
1657 dbesc($contact["bd"]), intval($contact["hidden"]), dbesc($contact["xmpp"]),
1658 dbesc(DBM::date($contact["name-date"])), dbesc(DBM::date($contact["uri-date"])),
1659 intval($contact["id"]), dbesc($contact["network"])
1663 Photo::updateContactAvatar(
1667 (strtotime($contact["avatar-date"]) > strtotime($r[0]["avatar-date"]))
1671 * The generation is a sign for the reliability of the provided data.
1672 * It is used in the socgraph.php to prevent that old contact data
1673 * that was relayed over several servers can overwrite contact
1674 * data that we received directly.
1677 $poco["generation"] = 2;
1678 $poco["photo"] = $author["avatar"];
1679 $poco["hide"] = $hide;
1680 $poco["contact-type"] = $contact["contact-type"];
1681 $gcid = GlobalContact::update($poco);
1683 GlobalContact::link($gcid, $importer["uid"], $contact["id"]);
1690 * @brief Transforms activity objects into an XML string
1692 * @param object $xpath XPath object
1693 * @param object $activity Activity object
1694 * @param text $element element name
1696 * @return string XML string
1697 * @todo Find good type-hints for all parameter
1699 private static function transformActivity($xpath, $activity, $element)
1701 if (!is_object($activity)) {
1705 $obj_doc = new DOMDocument("1.0", "utf-8");
1706 $obj_doc->formatOutput = true;
1708 $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element);
1710 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1711 XML::addElement($obj_doc, $obj_element, "type", $activity_type);
1713 $id = $xpath->query("atom:id", $activity)->item(0);
1714 if (is_object($id)) {
1715 $obj_element->appendChild($obj_doc->importNode($id, true));
1718 $title = $xpath->query("atom:title", $activity)->item(0);
1719 if (is_object($title)) {
1720 $obj_element->appendChild($obj_doc->importNode($title, true));
1723 $links = $xpath->query("atom:link", $activity);
1724 if (is_object($links)) {
1725 foreach ($links as $link) {
1726 $obj_element->appendChild($obj_doc->importNode($link, true));
1730 $content = $xpath->query("atom:content", $activity)->item(0);
1731 if (is_object($content)) {
1732 $obj_element->appendChild($obj_doc->importNode($content, true));
1735 $obj_doc->appendChild($obj_element);
1737 $objxml = $obj_doc->saveXML($obj_element);
1739 /// @todo This isn't totally clean. We should find a way to transform the namespaces
1740 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1745 * @brief Processes the mail elements
1747 * @param object $xpath XPath object
1748 * @param object $mail mail elements
1749 * @param array $importer Record of the importer user mixed with contact of the content
1751 * @todo Find good type-hints for all parameter
1753 private static function processMail($xpath, $mail, $importer)
1755 logger("Processing mails");
1757 /// @TODO Rewrite this to one statement
1759 $msg["uid"] = $importer["importer_uid"];
1760 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1761 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1762 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1763 $msg["contact-id"] = $importer["id"];
1764 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1765 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1766 $msg["created"] = $xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue;
1767 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1768 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1770 $msg["replied"] = 0;
1772 dba::insert('mail', $msg);
1774 // send notifications.
1775 /// @TODO Arange this mess
1776 $notif_params = array(
1777 "type" => NOTIFY_MAIL,
1778 "notify_flags" => $importer["notify-flags"],
1779 "language" => $importer["language"],
1780 "to_name" => $importer["username"],
1781 "to_email" => $importer["email"],
1782 "uid" => $importer["importer_uid"],
1784 "source_name" => $msg["from-name"],
1785 "source_link" => $importer["url"],
1786 "source_photo" => $importer["thumb"],
1787 "verb" => ACTIVITY_POST,
1791 notification($notif_params);
1793 logger("Mail is processed, notification was sent.");
1797 * @brief Processes the suggestion elements
1799 * @param object $xpath XPath object
1800 * @param object $suggestion suggestion elements
1801 * @param array $importer Record of the importer user mixed with contact of the content
1803 * @todo Find good type-hints for all parameter
1805 private static function processSuggestion($xpath, $suggestion, $importer)
1809 logger("Processing suggestions");
1811 /// @TODO Rewrite this to one statement
1813 $suggest["uid"] = $importer["importer_uid"];
1814 $suggest["cid"] = $importer["id"];
1815 $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue;
1816 $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue;
1817 $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue;
1818 $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue;
1819 $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue;
1821 // Does our member already have a friend matching this description?
1824 "SELECT `id` FROM `contact` WHERE `name` = '%s' AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
1825 dbesc($suggest["name"]),
1826 dbesc(normalise_link($suggest["url"])),
1827 intval($suggest["uid"])
1831 * The valid result means the friend we're about to send a friend
1832 * suggestion already has them in their contact, which means no further
1833 * action is required.
1835 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1837 if (DBM::is_result($r)) {
1841 // Do we already have an fcontact record for this person?
1845 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1846 dbesc($suggest["url"]),
1847 dbesc($suggest["name"]),
1848 dbesc($suggest["request"])
1850 if (DBM::is_result($r)) {
1853 // OK, we do. Do we already have an introduction for this person ?
1855 "SELECT `id` FROM `intro` WHERE `uid` = %d AND `fid` = %d LIMIT 1",
1856 intval($suggest["uid"]),
1861 * The valid result means the friend we're about to send a friend
1862 * suggestion already has them in their contact, which means no further
1863 * action is required.
1865 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1867 if (DBM::is_result($r)) {
1873 "INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')",
1874 dbesc($suggest["name"]),
1875 dbesc($suggest["url"]),
1876 dbesc($suggest["photo"]),
1877 dbesc($suggest["request"])
1881 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1882 dbesc($suggest["url"]),
1883 dbesc($suggest["name"]),
1884 dbesc($suggest["request"])
1888 * If no record in fcontact is found, below INSERT statement will not
1889 * link an introduction to it.
1891 if (!DBM::is_result($r)) {
1892 // database record did not get created. Quietly give up.
1898 $hash = random_string();
1901 "INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`)
1902 VALUES(%d, %d, %d, '%s', '%s', '%s', %d)",
1903 intval($suggest["uid"]),
1905 intval($suggest["cid"]),
1906 dbesc($suggest["body"]),
1908 dbesc(datetime_convert()),
1914 "type" => NOTIFY_SUGGEST,
1915 "notify_flags" => $importer["notify-flags"],
1916 "language" => $importer["language"],
1917 "to_name" => $importer["username"],
1918 "to_email" => $importer["email"],
1919 "uid" => $importer["importer_uid"],
1921 "link" => System::baseUrl()."/notifications/intros",
1922 "source_name" => $importer["name"],
1923 "source_link" => $importer["url"],
1924 "source_photo" => $importer["photo"],
1925 "verb" => ACTIVITY_REQ_FRIEND,
1933 * @brief Processes the relocation elements
1935 * @param object $xpath XPath object
1936 * @param object $relocation relocation elements
1937 * @param array $importer Record of the importer user mixed with contact of the content
1939 * @todo Find good type-hints for all parameter
1941 private static function processRelocation($xpath, $relocation, $importer)
1943 logger("Processing relocations");
1945 /// @TODO Rewrite this to one statement
1946 $relocate = array();
1947 $relocate["uid"] = $importer["importer_uid"];
1948 $relocate["cid"] = $importer["id"];
1949 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1950 $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue;
1951 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1952 $relocate["avatar"] = $xpath->query("dfrn:avatar/text()", $relocation)->item(0)->nodeValue;
1953 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1954 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1955 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1956 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1957 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1958 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1959 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1960 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1962 if (($relocate["avatar"] == "") && ($relocate["photo"] != "")) {
1963 $relocate["avatar"] = $relocate["photo"];
1966 if ($relocate["addr"] == "") {
1967 $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]);
1972 "SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;",
1973 intval($importer["id"]),
1974 intval($importer["importer_uid"])
1977 if (!DBM::is_result($r)) {
1978 logger("Query failed to execute, no result returned in " . __FUNCTION__);
1984 // Update the gcontact entry
1985 $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]);
1988 "UPDATE `gcontact` SET
1997 WHERE `nurl` = '%s';",
1998 dbesc($relocate["name"]),
1999 dbesc($relocate["avatar"]),
2000 dbesc($relocate["url"]),
2001 dbesc(normalise_link($relocate["url"])),
2002 dbesc($relocate["addr"]),
2003 dbesc($relocate["addr"]),
2004 dbesc($relocate["notify"]),
2005 dbesc($relocate["server_url"]),
2006 dbesc(normalise_link($old["url"]))
2009 // Update the contact table. We try to find every entry.
2011 "UPDATE `contact` SET
2021 `site-pubkey` = '%s'
2022 WHERE (`id` = %d AND `uid` = %d) OR (`nurl` = '%s');",
2023 dbesc($relocate["name"]),
2024 dbesc($relocate["avatar"]),
2025 dbesc($relocate["url"]),
2026 dbesc(normalise_link($relocate["url"])),
2027 dbesc($relocate["addr"]),
2028 dbesc($relocate["request"]),
2029 dbesc($relocate["confirm"]),
2030 dbesc($relocate["notify"]),
2031 dbesc($relocate["poll"]),
2032 dbesc($relocate["sitepubkey"]),
2033 intval($importer["id"]),
2034 intval($importer["importer_uid"]),
2035 dbesc(normalise_link($old["url"]))
2038 Photo::updateContactAvatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true);
2045 /// @todo This is an extreme performance killer
2047 'owner-link' => array($old["url"], $relocate["url"]),
2048 'author-link' => array($old["url"], $relocate["url"]),
2049 //'owner-avatar' => array($old["photo"], $relocate["photo"]),
2050 //'author-avatar' => array($old["photo"], $relocate["photo"]),
2052 foreach ($fields as $n => $f) {
2054 "SELECT `id` FROM `item` WHERE `%s` = '%s' AND `uid` = %d LIMIT 1",
2057 intval($importer["importer_uid"])
2060 if (DBM::is_result($r)) {
2062 "UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
2067 intval($importer["importer_uid"])
2077 /// merge with current record, current contents have priority
2078 /// update record, set url-updated
2079 /// update profile photos
2080 /// schedule a scan?
2085 * @brief Updates an item
2087 * @param array $current the current item record
2088 * @param array $item the new item record
2089 * @param array $importer Record of the importer user mixed with contact of the content
2090 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2092 * @todo set proper type-hints (array?)
2094 private static function updateContent($current, $item, $importer, $entrytype)
2098 if (edited_timestamp_is_newer($current, $item)) {
2099 // do not accept (ignore) an earlier edit than one we currently have.
2100 if (datetime_convert("UTC", "UTC", $item["edited"]) < $current["edited"]) {
2104 $fields = array('title' => $item["title"], 'body' => $item["body"],
2105 'tag' => $item["tag"], 'changed' => datetime_convert(),
2106 'edited' => datetime_convert("UTC", "UTC", $item["edited"]));
2108 $condition = array("`uri` = ? AND `uid` IN (0, ?)", $item["uri"], $importer["importer_uid"]);
2109 dba::update('item', $fields, $condition);
2111 create_tags_from_itemuri($item["uri"], $importer["importer_uid"]);
2112 update_thread_uri($item["uri"], $importer["importer_uid"]);
2116 if ($entrytype == DFRN_REPLY_RC) {
2117 Worker::add(PRIORITY_HIGH, "Notifier", "comment-import", $current["id"]);
2121 // update last-child if it changes
2122 if ($item["last-child"] && ($item["last-child"] != $current["last-child"])) {
2124 "UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2125 dbesc(datetime_convert()),
2126 dbesc($item["parent-uri"]),
2127 intval($importer["importer_uid"])
2130 "UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2131 intval($item["last-child"]),
2132 dbesc(datetime_convert()),
2133 dbesc($item["uri"]),
2134 intval($importer["importer_uid"])
2141 * @brief Detects the entry type of the item
2143 * @param array $importer Record of the importer user mixed with contact of the content
2144 * @param array $item the new item record
2146 * @return int Is it a toplevel entry, a comment or a relayed comment?
2147 * @todo set proper type-hints (array?)
2149 private static function getEntryType($importer, $item)
2151 if ($item["parent-uri"] != $item["uri"]) {
2154 if ($importer["page-flags"] == PAGE_COMMUNITY || $importer["page-flags"] == PAGE_PRVGROUP) {
2157 logger("possible community action");
2159 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
2162 // was the top-level post for this action written by somebody on this site?
2163 // Specifically, the recipient?
2165 $is_a_remote_action = false;
2168 "SELECT `item`.`parent-uri` FROM `item`
2169 WHERE `item`.`uri` = '%s'
2171 dbesc($item["parent-uri"])
2173 if (DBM::is_result($r)) {
2175 "SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
2176 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
2177 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
2178 AND `item`.`uid` = %d
2181 dbesc($r[0]["parent-uri"]),
2182 dbesc($r[0]["parent-uri"]),
2183 dbesc($r[0]["parent-uri"]),
2184 intval($importer["importer_uid"])
2186 if (DBM::is_result($r)) {
2187 $is_a_remote_action = true;
2192 * Does this have the characteristics of a community or private group action?
2193 * If it's an action to a wall post on a community/prvgroup page it's a
2194 * valid community action. Also forum_mode makes it valid for sure.
2195 * If neither, it's not.
2198 /// @TODO Maybe merge these if() blocks into one?
2199 if ($is_a_remote_action && $community && (!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
2200 $is_a_remote_action = false;
2201 logger("not a community action");
2204 if ($is_a_remote_action) {
2205 return DFRN_REPLY_RC;
2210 return DFRN_TOP_LEVEL;
2215 * @brief Send a "poke"
2217 * @param array $item the new item record
2218 * @param array $importer Record of the importer user mixed with contact of the content
2219 * @param int $posted_id The record number of item record that was just posted
2221 * @todo set proper type-hints (array?)
2223 private static function doPoke($item, $importer, $posted_id)
2225 $verb = urldecode(substr($item["verb"], strpos($item["verb"], "#")+1));
2229 $xo = parse_xml_string($item["object"], false);
2231 if (($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) {
2232 // somebody was poked/prodded. Was it me?
2233 foreach ($xo->link as $l) {
2234 $atts = $l->attributes();
2235 switch ($atts["rel"]) {
2237 $Blink = $atts["href"];
2244 if ($Blink && link_compare($Blink, System::baseUrl() . "/profile/" . $importer["nickname"])) {
2245 // send a notification
2248 "type" => NOTIFY_POKE,
2249 "notify_flags" => $importer["notify-flags"],
2250 "language" => $importer["language"],
2251 "to_name" => $importer["username"],
2252 "to_email" => $importer["email"],
2253 "uid" => $importer["importer_uid"],
2255 "link" => System::baseUrl()."/display/".urlencode(get_item_guid($posted_id)),
2256 "source_name" => stripslashes($item["author-name"]),
2257 "source_link" => $item["author-link"],
2258 "source_photo" => ((link_compare($item["author-link"], $importer["url"]))
2259 ? $importer["thumb"] : $item["author-avatar"]),
2260 "verb" => $item["verb"],
2261 "otype" => "person",
2262 "activity" => $verb,
2263 "parent" => $item["parent"])
2270 * @brief Processes several actions, depending on the verb
2272 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2273 * @param array $importer Record of the importer user mixed with contact of the content
2274 * @param array $item the new item record
2275 * @param bool $is_like Is the verb a "like"?
2277 * @return bool Should the processing of the entries be continued?
2278 * @todo set proper type-hints (array?)
2280 private static function processVerbs($entrytype, $importer, &$item, &$is_like)
2282 logger("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, LOGGER_DEBUG);
2284 if (($entrytype == DFRN_TOP_LEVEL)) {
2285 // The filling of the the "contact" variable is done for legcy reasons
2286 // The functions below are partly used by ostatus.php as well - where we have this variable
2287 $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"]));
2289 $nickname = $contact["nick"];
2291 // Big question: Do we need these functions? They were part of the "consume_feed" function.
2292 // This function once was responsible for DFRN and OStatus.
2293 if (activity_match($item["verb"], ACTIVITY_FOLLOW)) {
2294 logger("New follower");
2295 new_follower($importer, $contact, $item, $nickname);
2298 if (activity_match($item["verb"], ACTIVITY_UNFOLLOW)) {
2299 logger("Lost follower");
2300 lose_follower($importer, $contact, $item);
2303 if (activity_match($item["verb"], ACTIVITY_REQ_FRIEND)) {
2304 logger("New friend request");
2305 new_follower($importer, $contact, $item, $nickname, true);
2308 if (activity_match($item["verb"], ACTIVITY_UNFRIEND)) {
2309 logger("Lost sharer");
2310 lose_sharer($importer, $contact, $item);
2314 if (($item["verb"] == ACTIVITY_LIKE)
2315 || ($item["verb"] == ACTIVITY_DISLIKE)
2316 || ($item["verb"] == ACTIVITY_ATTEND)
2317 || ($item["verb"] == ACTIVITY_ATTENDNO)
2318 || ($item["verb"] == ACTIVITY_ATTENDMAYBE)
2321 $item["type"] = "activity";
2322 $item["gravity"] = GRAVITY_LIKE;
2323 // only one like or dislike per person
2324 // splitted into two queries for performance issues
2326 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `parent-uri` = '%s' AND NOT `deleted` LIMIT 1",
2327 intval($item["uid"]),
2328 dbesc($item["author-link"]),
2329 dbesc($item["verb"]),
2330 dbesc($item["parent-uri"])
2332 if (DBM::is_result($r)) {
2337 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `thr-parent` = '%s' AND NOT `deleted` LIMIT 1",
2338 intval($item["uid"]),
2339 dbesc($item["author-link"]),
2340 dbesc($item["verb"]),
2341 dbesc($item["parent-uri"])
2343 if (DBM::is_result($r)) {
2350 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2351 $xo = parse_xml_string($item["object"], false);
2352 $xt = parse_xml_string($item["target"], false);
2354 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2356 "SELECT `id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2358 intval($importer["importer_uid"])
2361 if (!DBM::is_result($r)) {
2362 logger("Query failed to execute, no result returned in " . __FUNCTION__);
2366 // extract tag, if not duplicate, add to parent item
2368 if (!(stristr($r[0]["tag"], trim($xo->content)))) {
2370 "UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2371 dbesc($r[0]["tag"] . (strlen($r[0]["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]'),
2374 create_tags_from_item($r[0]["id"]);
2384 * @brief Processes the link elements
2386 * @param object $links link elements
2387 * @param array $item the item record
2389 * @todo set proper type-hints
2391 private static function parseLinks($links, &$item)
2398 foreach ($links as $link) {
2399 foreach ($link->attributes as $attributes) {
2400 /// @TODO Rewrite these repeated (same) if () statements to a switch()
2401 if ($attributes->name == "href") {
2402 $href = $attributes->textContent;
2404 if ($attributes->name == "rel") {
2405 $rel = $attributes->textContent;
2407 if ($attributes->name == "type") {
2408 $type = $attributes->textContent;
2410 if ($attributes->name == "length") {
2411 $length = $attributes->textContent;
2413 if ($attributes->name == "title") {
2414 $title = $attributes->textContent;
2417 if (($rel != "") && ($href != "")) {
2420 $item["plink"] = $href;
2424 if (strlen($item["attach"])) {
2425 $item["attach"] .= ",";
2428 $item["attach"] .= '[attach]href="' . $href . '" length="' . $length . '" type="' . $type . '" title="' . $title . '"[/attach]';
2436 * @brief Processes the entry elements which contain the items and comments
2438 * @param array $header Array of the header elements that always stay the same
2439 * @param object $xpath XPath object
2440 * @param object $entry entry elements
2441 * @param array $importer Record of the importer user mixed with contact of the content
2442 * @param object $xml xml
2444 * @todo Add type-hints
2446 private static function processEntry($header, $xpath, $entry, $importer, $xml)
2448 logger("Processing entries");
2452 $item["protocol"] = PROTOCOL_DFRN;
2454 $item["source"] = $xml;
2457 $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue;
2459 $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue;
2462 "SELECT `id`, `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2463 dbesc($item["uri"]),
2464 intval($importer["importer_uid"])
2467 // Is there an existing item?
2468 if (DBM::is_result($current) && edited_timestamp_is_newer($current[0], $item)
2469 && (datetime_convert("UTC", "UTC", $item["edited"]) < $current[0]["edited"])
2471 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2476 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true);
2478 $item["owner-name"] = $owner["name"];
2479 $item["owner-link"] = $owner["link"];
2480 $item["owner-avatar"] = $owner["avatar"];
2483 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true);
2485 $item["author-name"] = $author["name"];
2486 $item["author-link"] = $author["link"];
2487 $item["author-avatar"] = $author["avatar"];
2489 $item["title"] = $xpath->query("atom:title/text()", $entry)->item(0)->nodeValue;
2491 $item["created"] = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2493 $item["body"] = $xpath->query("dfrn:env/text()", $entry)->item(0)->nodeValue;
2494 $item["body"] = str_replace(array(' ',"\t","\r","\n"), array('','','',''), $item["body"]);
2495 // make sure nobody is trying to sneak some html tags by us
2496 $item["body"] = notags(base64url_decode($item["body"]));
2498 $item["body"] = limit_body_size($item["body"]);
2500 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
2501 if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) {
2502 $item['body'] = reltoabs($item['body'], $base_url);
2504 $item['body'] = html2bb_video($item['body']);
2506 $item['body'] = oembed_html2bbcode($item['body']);
2508 $config = HTMLPurifier_Config::createDefault();
2509 $config->set('Cache.DefinitionImpl', null);
2511 // we shouldn't need a whitelist, because the bbcode converter
2512 // will strip out any unsupported tags.
2514 $purifier = new HTMLPurifier($config);
2515 $item['body'] = $purifier->purify($item['body']);
2517 $item['body'] = @html2bbcode($item['body']);
2520 /// @todo We should check for a repeated post and if we know the repeated author.
2522 // We don't need the content element since "dfrn:env" is always present
2523 //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue;
2525 $item["last-child"] = $xpath->query("dfrn:comment-allow/text()", $entry)->item(0)->nodeValue;
2526 $item["location"] = $xpath->query("dfrn:location/text()", $entry)->item(0)->nodeValue;
2528 $georsspoint = $xpath->query("georss:point", $entry);
2530 $item["coord"] = $georsspoint->item(0)->nodeValue;
2533 $item["private"] = $xpath->query("dfrn:private/text()", $entry)->item(0)->nodeValue;
2535 $item["extid"] = $xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue;
2537 if ($xpath->query("dfrn:bookmark/text()", $entry)->item(0)->nodeValue == "true") {
2538 $item["bookmark"] = true;
2541 $notice_info = $xpath->query("statusnet:notice_info", $entry);
2542 if ($notice_info && ($notice_info->length > 0)) {
2543 foreach ($notice_info->item(0)->attributes as $attributes) {
2544 if ($attributes->name == "source") {
2545 $item["app"] = strip_tags($attributes->textContent);
2550 $item["guid"] = $xpath->query("dfrn:diaspora_guid/text()", $entry)->item(0)->nodeValue;
2552 // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "item_store"
2553 $dsprsig = unxmlify($xpath->query("dfrn:diaspora_signature/text()", $entry)->item(0)->nodeValue);
2554 if ($dsprsig != "") {
2555 $item["dsprsig"] = $dsprsig;
2558 $item["verb"] = $xpath->query("activity:verb/text()", $entry)->item(0)->nodeValue;
2560 if ($xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue != "") {
2561 $item["object-type"] = $xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue;
2564 $object = $xpath->query("activity:object", $entry)->item(0);
2565 $item["object"] = self::transformActivity($xpath, $object, "object");
2567 if (trim($item["object"]) != "") {
2568 $r = parse_xml_string($item["object"], false);
2569 if (isset($r->type)) {
2570 $item["object-type"] = $r->type;
2574 $target = $xpath->query("activity:target", $entry)->item(0);
2575 $item["target"] = self::transformActivity($xpath, $target, "target");
2577 $categories = $xpath->query("atom:category", $entry);
2579 foreach ($categories as $category) {
2582 foreach ($category->attributes as $attributes) {
2583 if ($attributes->name == "term") {
2584 $term = $attributes->textContent;
2587 if ($attributes->name == "scheme") {
2588 $scheme = $attributes->textContent;
2592 if (($term != "") && ($scheme != "")) {
2593 $parts = explode(":", $scheme);
2594 if ((count($parts) >= 4) && (array_shift($parts) == "X-DFRN")) {
2595 $termhash = array_shift($parts);
2596 $termurl = implode(":", $parts);
2598 if (strlen($item["tag"])) {
2599 $item["tag"] .= ",";
2602 $item["tag"] .= $termhash . "[url=" . $termurl . "]" . $term . "[/url]";
2610 $links = $xpath->query("atom:link", $entry);
2612 self::parseLinks($links, $item);
2615 $item['conversation-uri'] = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
2617 $conv = $xpath->query('ostatus:conversation', $entry);
2618 if (is_object($conv->item(0))) {
2619 foreach ($conv->item(0)->attributes as $attributes) {
2620 if ($attributes->name == "ref") {
2621 $item['conversation-uri'] = $attributes->textContent;
2623 if ($attributes->name == "href") {
2624 $item['conversation-href'] = $attributes->textContent;
2629 // Is it a reply or a top level posting?
2630 $item["parent-uri"] = $item["uri"];
2632 $inreplyto = $xpath->query("thr:in-reply-to", $entry);
2633 if (is_object($inreplyto->item(0))) {
2634 foreach ($inreplyto->item(0)->attributes as $attributes) {
2635 if ($attributes->name == "ref") {
2636 $item["parent-uri"] = $attributes->textContent;
2641 // Get the type of the item (Top level post, reply or remote reply)
2642 $entrytype = self::getEntryType($importer, $item);
2644 // Now assign the rest of the values that depend on the type of the message
2645 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2646 if (!isset($item["object-type"])) {
2647 $item["object-type"] = ACTIVITY_OBJ_COMMENT;
2650 if ($item["contact-id"] != $owner["contact-id"]) {
2651 $item["contact-id"] = $owner["contact-id"];
2654 if (($item["network"] != $owner["network"]) && ($owner["network"] != "")) {
2655 $item["network"] = $owner["network"];
2658 if ($item["contact-id"] != $author["contact-id"]) {
2659 $item["contact-id"] = $author["contact-id"];
2662 if (($item["network"] != $author["network"]) && ($author["network"] != "")) {
2663 $item["network"] = $author["network"];
2666 /// @TODO maybe remove this old-lost code then?
2667 // This code was taken from the old DFRN code
2668 // When activated, forums don't work.
2669 // And: Why should we disallow commenting by followers?
2670 // the behaviour is now similar to the Diaspora part.
2671 //if ($importer["rel"] == CONTACT_IS_FOLLOWER) {
2672 // logger("Contact ".$importer["id"]." is only follower. Quitting", LOGGER_DEBUG);
2677 if ($entrytype == DFRN_REPLY_RC) {
2678 $item["type"] = "remote-comment";
2680 } elseif ($entrytype == DFRN_TOP_LEVEL) {
2681 if (!isset($item["object-type"])) {
2682 $item["object-type"] = ACTIVITY_OBJ_NOTE;
2686 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2687 logger("Item ".$item["uri"]." seems to contain an event.", LOGGER_DEBUG);
2688 $ev = bbtoevent($item["body"]);
2689 if ((x($ev, "desc") || x($ev, "summary")) && x($ev, "start")) {
2690 logger("Event in item ".$item["uri"]." was found.", LOGGER_DEBUG);
2691 /// @TODO Mixure of "/' ahead ...
2692 $ev["cid"] = $importer["id"];
2693 $ev["uid"] = $importer["uid"];
2694 $ev["uri"] = $item["uri"];
2695 $ev["edited"] = $item["edited"];
2696 $ev['private'] = $item['private'];
2697 $ev["guid"] = $item["guid"];
2700 "SELECT `id` FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2701 dbesc($item["uri"]),
2702 intval($importer["uid"])
2704 if (DBM::is_result($r)) {
2705 $ev["id"] = $r[0]["id"];
2708 $event_id = event_store($ev);
2709 logger("Event ".$event_id." was stored", LOGGER_DEBUG);
2715 if (!self::processVerbs($entrytype, $importer, $item, $is_like)) {
2716 logger("Exiting because 'processVerbs' told us so", LOGGER_DEBUG);
2720 // Update content if 'updated' changes
2721 if (DBM::is_result($current)) {
2722 if (self::updateContent($r[0], $item, $importer, $entrytype)) {
2723 logger("Item ".$item["uri"]." was updated.", LOGGER_DEBUG);
2725 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2730 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2731 $posted_id = item_store($item);
2735 logger("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, LOGGER_DEBUG);
2737 $item["id"] = $posted_id;
2740 "SELECT `parent`, `parent-uri` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
2742 intval($importer["importer_uid"])
2744 if (DBM::is_result($r)) {
2745 $parent = $r[0]["parent"];
2746 $parent_uri = $r[0]["parent-uri"];
2751 "UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
2752 dbesc(datetime_convert()),
2753 intval($importer["importer_uid"]),
2754 intval($r[0]["parent"])
2758 "UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d",
2759 dbesc(datetime_convert()),
2760 intval($importer["importer_uid"]),
2765 if ($posted_id && $parent && ($entrytype == DFRN_REPLY_RC)) {
2766 logger("Notifying followers about comment ".$posted_id, LOGGER_DEBUG);
2767 Worker::add(PRIORITY_HIGH, "Notifier", "comment-import", $posted_id);
2772 } else { // $entrytype == DFRN_TOP_LEVEL
2773 if (!link_compare($item["owner-link"], $importer["url"])) {
2775 * The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
2776 * but otherwise there's a possible data mixup on the sender's system.
2777 * the tgroup delivery code called from item_store will correct it if it's a forum,
2778 * but we're going to unconditionally correct it here so that the post will always be owned by our contact.
2780 logger('Correcting item owner.', LOGGER_DEBUG);
2781 $item["owner-name"] = $importer["senderName"];
2782 $item["owner-link"] = $importer["url"];
2783 $item["owner-avatar"] = $importer["thumb"];
2786 if (($importer["rel"] == CONTACT_IS_FOLLOWER) && (!tgroup_check($importer["importer_uid"], $item))) {
2787 logger("Contact ".$importer["id"]." is only follower and tgroup check was negative.", LOGGER_DEBUG);
2791 // This is my contact on another system, but it's really me.
2792 // Turn this into a wall post.
2793 $notify = item_is_remote_self($importer, $item);
2795 $posted_id = item_store($item, false, $notify);
2797 logger("Item was stored with id ".$posted_id, LOGGER_DEBUG);
2799 if (stristr($item["verb"], ACTIVITY_POKE)) {
2800 self::doPoke($item, $importer, $posted_id);
2806 * @brief Deletes items
2808 * @param object $xpath XPath object
2809 * @param object $deletion deletion elements
2810 * @param array $importer Record of the importer user mixed with contact of the content
2812 * @todo set proper type-hints
2814 private static function processDeletion($xpath, $deletion, $importer)
2816 logger("Processing deletions");
2818 foreach ($deletion->attributes as $attributes) {
2819 if ($attributes->name == "ref") {
2820 $uri = $attributes->textContent;
2822 if ($attributes->name == "when") {
2823 $when = $attributes->textContent;
2827 $when = datetime_convert("UTC", "UTC", $when, "Y-m-d H:i:s");
2829 $when = datetime_convert("UTC", "UTC", "now", "Y-m-d H:i:s");
2832 if (!$uri || !$importer["id"]) {
2836 /// @todo Only select the used fields
2838 "SELECT `item`.*, `contact`.`self` FROM `item` INNER JOIN `contact` on `item`.`contact-id` = `contact`.`id`
2839 WHERE `uri` = '%s' AND `item`.`uid` = %d AND `contact-id` = %d AND NOT `item`.`file` LIKE '%%[%%' LIMIT 1",
2841 intval($importer["uid"]),
2842 intval($importer["id"])
2844 if (!DBM::is_result($r)) {
2845 logger("Item with uri " . $uri . " from contact " . $importer["id"] . " for user " . $importer["uid"] . " wasn't found.", LOGGER_DEBUG);
2850 $entrytype = self::getEntryType($importer, $item);
2852 if (!$item["deleted"]) {
2853 logger('deleting item '.$item["id"].' uri='.$uri, LOGGER_DEBUG);
2858 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2859 logger("Deleting event ".$item["event-id"], LOGGER_DEBUG);
2860 event_delete($item["event-id"]);
2863 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2864 $xo = parse_xml_string($item["object"], false);
2865 $xt = parse_xml_string($item["target"], false);
2867 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2869 "SELECT `id`, `contact-id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2871 intval($importer["importer_uid"])
2873 if (DBM::is_result($i)) {
2874 // For tags, the owner cannot remove the tag on the author's copy of the post.
2876 $owner_remove = (($item["contact-id"] == $i[0]["contact-id"]) ? true: false);
2877 $author_remove = (($item["origin"] && $item["self"]) ? true : false);
2878 $author_copy = (($item["origin"]) ? true : false);
2880 if ($owner_remove && $author_copy) {
2883 if ($author_remove || $owner_remove) {
2884 $tags = explode(',', $i[0]["tag"]);
2887 foreach ($tags as $tag) {
2888 if (trim($tag) !== trim($xo->body)) {
2889 $newtags[] = trim($tag);
2894 "UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2895 dbesc(implode(',', $newtags)),
2898 create_tags_from_item($i[0]["id"]);
2904 if ($entrytype == DFRN_TOP_LEVEL) {
2906 "UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2907 `body` = '', `title` = ''
2908 WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2910 dbesc(datetime_convert()),
2912 intval($importer["uid"])
2914 create_tags_from_itemuri($uri, $importer["uid"]);
2915 create_files_from_itemuri($uri, $importer["uid"]);
2916 update_thread_uri($uri, $importer["uid"]);
2919 "UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2920 `body` = '', `title` = ''
2921 WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2923 dbesc(datetime_convert()),
2925 intval($importer["uid"])
2927 create_tags_from_itemuri($uri, $importer["uid"]);
2928 create_files_from_itemuri($uri, $importer["uid"]);
2929 update_thread_uri($uri, $importer["importer_uid"]);
2930 if ($item["last-child"]) {
2931 // ensure that last-child is set in case the comment that had it just got wiped.
2933 "UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2934 dbesc(datetime_convert()),
2935 dbesc($item["parent-uri"]),
2936 intval($item["uid"])
2938 // who is the last child now?
2940 "SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `moderated` = 0 AND `uid` = %d
2941 ORDER BY `created` DESC LIMIT 1",
2942 dbesc($item["parent-uri"]),
2943 intval($importer["uid"])
2945 if (DBM::is_result($r)) {
2947 "UPDATE `item` SET `last-child` = 1 WHERE `id` = %d",
2952 // if this is a relayed delete, propagate it to other recipients
2954 if ($entrytype == DFRN_REPLY_RC) {
2955 logger("Notifying followers about deletion of post " . $item["id"], LOGGER_DEBUG);
2956 Worker::add(PRIORITY_HIGH, "Notifier", "drop", $item["id"]);
2963 * @brief Imports a DFRN message
2965 * @param text $xml The DFRN message
2966 * @param array $importer Record of the importer user mixed with contact of the content
2967 * @param bool $sort_by_date Is used when feeds are polled
2968 * @return integer Import status
2969 * @todo set proper type-hints
2971 public static function import($xml, $importer, $sort_by_date = false)
2977 $doc = new DOMDocument();
2978 @$doc->loadXML($xml);
2980 $xpath = new DomXPath($doc);
2981 $xpath->registerNamespace("atom", NAMESPACE_ATOM1);
2982 $xpath->registerNamespace("thr", NAMESPACE_THREAD);
2983 $xpath->registerNamespace("at", NAMESPACE_TOMB);
2984 $xpath->registerNamespace("media", NAMESPACE_MEDIA);
2985 $xpath->registerNamespace("dfrn", NAMESPACE_DFRN);
2986 $xpath->registerNamespace("activity", NAMESPACE_ACTIVITY);
2987 $xpath->registerNamespace("georss", NAMESPACE_GEORSS);
2988 $xpath->registerNamespace("poco", NAMESPACE_POCO);
2989 $xpath->registerNamespace("ostatus", NAMESPACE_OSTATUS);
2990 $xpath->registerNamespace("statusnet", NAMESPACE_STATUSNET);
2993 $header["uid"] = $importer["uid"];
2994 $header["network"] = NETWORK_DFRN;
2995 $header["type"] = "remote";
2996 $header["wall"] = 0;
2997 $header["origin"] = 0;
2998 $header["contact-id"] = $importer["id"];
3000 // Update the contact table if the data has changed
3002 // The "atom:author" is only present in feeds
3003 if ($xpath->query("/atom:feed/atom:author")->length > 0) {
3004 self::fetchauthor($xpath, $doc->firstChild, $importer, "atom:author", false, $xml);
3007 // Only the "dfrn:owner" in the head section contains all data
3008 if ($xpath->query("/atom:feed/dfrn:owner")->length > 0) {
3009 self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false, $xml);
3012 logger("Import DFRN message for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);
3014 // The account type is new since 3.5.1
3015 if ($xpath->query("/atom:feed/dfrn:account_type")->length > 0) {
3016 $accounttype = intval($xpath->evaluate("/atom:feed/dfrn:account_type/text()", $context)->item(0)->nodeValue);
3018 if ($accounttype != $importer["contact-type"]) {
3019 dba::update('contact', array('contact-type' => $accounttype), array('id' => $importer["id"]));
3023 // is it a public forum? Private forums aren't supported with this method
3024 // This is deprecated since 3.5.1
3025 $forum = intval($xpath->evaluate("/atom:feed/dfrn:community/text()", $context)->item(0)->nodeValue);
3027 if ($forum != $importer["forum"]) {
3028 $condition = array('`forum` != ? AND `id` = ?', $forum, $importer["id"]);
3029 dba::update('contact', array('forum' => $forum), $condition);
3032 // We are processing relocations even if we are ignoring a contact
3033 $relocations = $xpath->query("/atom:feed/dfrn:relocate");
3034 foreach ($relocations as $relocation) {
3035 self::processRelocation($xpath, $relocation, $importer);
3038 if ($importer["readonly"]) {
3039 // We aren't receiving stuff from this person. But we will quietly ignore them
3040 // rather than a blatant "go away" message.
3041 logger('ignoring contact '.$importer["id"]);
3045 $mails = $xpath->query("/atom:feed/dfrn:mail");
3046 foreach ($mails as $mail) {
3047 self::processMail($xpath, $mail, $importer);
3050 $suggestions = $xpath->query("/atom:feed/dfrn:suggest");
3051 foreach ($suggestions as $suggestion) {
3052 self::processSuggestion($xpath, $suggestion, $importer);
3055 $deletions = $xpath->query("/atom:feed/at:deleted-entry");
3056 foreach ($deletions as $deletion) {
3057 self::processDeletion($xpath, $deletion, $importer);
3060 if (!$sort_by_date) {
3061 $entries = $xpath->query("/atom:feed/atom:entry");
3062 foreach ($entries as $entry) {
3063 self::processEntry($header, $xpath, $entry, $importer, $xml);
3066 $newentries = array();
3067 $entries = $xpath->query("/atom:feed/atom:entry");
3068 foreach ($entries as $entry) {
3069 $created = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
3070 $newentries[strtotime($created)] = $entry;
3073 // Now sort after the publishing date
3076 foreach ($newentries as $entry) {
3077 self::processEntry($header, $xpath, $entry, $importer, $xml);
3080 logger("Import done for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);