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\Content\OEmbed;
12 use Friendica\Core\Config;
13 use Friendica\Core\System;
14 use Friendica\Core\Worker;
15 use Friendica\Database\DBM;
16 use Friendica\Model\Contact;
17 use Friendica\Model\GContact;
18 use Friendica\Model\Group;
19 use Friendica\Model\Profile;
20 use Friendica\Model\Term;
21 use Friendica\Model\User;
22 use Friendica\Object\Image;
23 use Friendica\Protocol\OStatus;
24 use Friendica\Util\XML;
30 require_once 'boot.php';
31 require_once 'include/dba.php';
32 require_once "include/enotify.php";
33 require_once "include/threads.php";
34 require_once "include/items.php";
35 require_once "include/tags.php";
36 require_once "include/event.php";
37 require_once "include/text.php";
38 require_once "include/html2bbcode.php";
39 require_once "include/bbcode.php";
42 * @brief This class contain functions to create and send DFRN XML files
47 const DFRN_TOP_LEVEL = 0; // Top level posting
48 const DFRN_REPLY = 1; // Regular reply that is stored locally
49 const DFRN_REPLY_RC = 2; // Reply that will be relayed
52 * @brief Generates the atom entries for delivery.php
54 * This function is used whenever content is transmitted via DFRN.
56 * @param array $items Item elements
57 * @param array $owner Owner record
59 * @return string DFRN entries
60 * @todo Add type-hints
62 public static function entries($items, $owner)
64 $doc = new DOMDocument('1.0', 'utf-8');
65 $doc->formatOutput = true;
67 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
69 if (! count($items)) {
70 return trim($doc->saveXML());
73 foreach ($items as $item) {
74 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
75 $root->appendChild($entry);
78 return(trim($doc->saveXML()));
82 * @brief Generate an atom feed for the given user
84 * This function is called when another server is pulling data from the user feed.
86 * @param string $dfrn_id DFRN ID from the requesting party
87 * @param string $owner_nick Owner nick name
88 * @param string $last_update Date of the last update
89 * @param int $direction Can be -1, 0 or 1.
90 * @param boolean $onlyheader Output only the header without content? (Default is "no")
92 * @return string DFRN feed entries
94 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false)
98 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
99 $public_feed = (($dfrn_id) ? false : true);
100 $starred = false; // not yet implemented, possible security issues
103 if ($public_feed && $a->argc > 2) {
104 for ($x = 2; $x < $a->argc; $x++) {
105 if ($a->argv[$x] == 'converse') {
108 if ($a->argv[$x] == 'starred') {
111 if ($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) {
112 $category = $a->argv[$x+1];
119 // default permissions - anonymous user
121 $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
124 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
125 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
126 WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
130 if (! DBM::is_result($r)) {
135 $owner_id = $owner['uid'];
136 $owner_nick = $owner['nickname'];
138 $sql_post_table = "";
140 if (! $public_feed) {
142 switch ($direction) {
144 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
148 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
149 $my_id = '1:' . $dfrn_id;
152 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
153 $my_id = '0:' . $dfrn_id;
161 "SELECT * FROM `contact` WHERE NOT `blocked` AND `contact`.`uid` = %d $sql_extra LIMIT 1",
165 if (! DBM::is_result($r)) {
170 include_once 'include/security.php';
171 $groups = Group::getIdsByContactId($contact['id']);
173 if (count($groups)) {
174 for ($x = 0; $x < count($groups); $x ++)
175 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
176 $gs = implode('|', $groups);
178 $gs = '<<>>' ; // Impossible to match
181 $sql_extra = sprintf(
183 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
184 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
185 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
186 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
188 intval($contact['id']),
189 intval($contact['id']),
201 if (! strlen($last_update)) {
202 $last_update = 'now -30 days';
205 if (isset($category)) {
206 $sql_post_table = sprintf(
207 "INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
208 dbesc(protect_sprintf($category)),
209 intval(TERM_OBJ_POST),
210 intval(TERM_CATEGORY),
213 //$sql_extra .= file_tag_file_query('item',$category,'category');
218 $sql_extra .= " AND `contact`.`self` = 1 ";
222 $check_date = datetime_convert('UTC', 'UTC', $last_update, 'Y-m-d H:i:s');
225 "SELECT `item`.*, `item`.`id` AS `item_id`,
226 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
227 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
228 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
229 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
230 FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table
231 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
232 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
233 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
234 WHERE `item`.`uid` = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
235 AND `item`.`wall` AND `item`.`changed` > '%s'
237 ORDER BY `item`.`parent` ".$sort.", `item`.`created` ASC LIMIT 0, 300",
244 * Will check further below if this actually returned results.
245 * We will provide an empty feed if that is the case.
250 $doc = new DOMDocument('1.0', 'utf-8');
251 $doc->formatOutput = true;
253 $alternatelink = $owner['url'];
255 if (isset($category)) {
256 $alternatelink .= "/category/".$category;
260 $author = "dfrn:owner";
265 $root = self::addHeader($doc, $owner, $author, $alternatelink, true);
267 /// @TODO This hook can't work anymore
268 // call_hooks('atom_feed', $atom);
270 if (!DBM::is_result($items) || $onlyheader) {
271 $atom = trim($doc->saveXML());
273 call_hooks('atom_feed_end', $atom);
278 foreach ($items as $item) {
279 // prevent private email from leaking.
280 if ($item['network'] == NETWORK_MAIL) {
284 // public feeds get html, our own nodes use bbcode
288 // catch any email that's in a public conversation and make sure it doesn't leak
289 if ($item['private']) {
296 $entry = self::entry($doc, $type, $item, $owner, true);
297 $root->appendChild($entry);
300 $atom = trim($doc->saveXML());
302 call_hooks('atom_feed_end', $atom);
308 * @brief Generate an atom entry for a given item id
310 * @param int $item_id The item id
311 * @param boolean $conversation Show the conversation. If false show the single post.
313 * @return string DFRN feed entry
315 public static function itemFeed($item_id, $conversation = false)
318 $condition = '`item`.`parent`';
320 $condition = '`item`.`id`';
324 "SELECT `item`.*, `item`.`id` AS `item_id`,
325 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
326 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
327 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
328 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
330 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
331 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
332 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
333 WHERE %s = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
334 AND NOT `item`.`private`",
339 if (!DBM::is_result($r)) {
346 if ($item['uid'] != 0) {
347 $owner = User::getOwnerDataById($item['uid']);
352 $owner = ['uid' => 0, 'nick' => 'feed-item'];
355 $doc = new DOMDocument('1.0', 'utf-8');
356 $doc->formatOutput = true;
360 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
361 $doc->appendChild($root);
363 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
364 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
365 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
366 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
367 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
368 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
369 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
370 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
371 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
373 //$root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
375 foreach ($items as $item) {
376 $entry = self::entry($doc, $type, $item, $owner, true, 0);
377 $root->appendChild($entry);
380 $root = self::entry($doc, $type, $item, $owner, true, 0, true);
383 $atom = trim($doc->saveXML());
388 * @brief Create XML text for DFRN mails
390 * @param array $item message elements
391 * @param array $owner Owner record
393 * @return string DFRN mail
394 * @todo Add type-hints
396 public static function mail($item, $owner)
398 $doc = new DOMDocument('1.0', 'utf-8');
399 $doc->formatOutput = true;
401 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
403 $mail = $doc->createElement("dfrn:mail");
404 $sender = $doc->createElement("dfrn:sender");
406 XML::addElement($doc, $sender, "dfrn:name", $owner['name']);
407 XML::addElement($doc, $sender, "dfrn:uri", $owner['url']);
408 XML::addElement($doc, $sender, "dfrn:avatar", $owner['thumb']);
410 $mail->appendChild($sender);
412 XML::addElement($doc, $mail, "dfrn:id", $item['uri']);
413 XML::addElement($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
414 XML::addElement($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00', ATOM_TIME));
415 XML::addElement($doc, $mail, "dfrn:subject", $item['title']);
416 XML::addElement($doc, $mail, "dfrn:content", $item['body']);
418 $root->appendChild($mail);
420 return(trim($doc->saveXML()));
424 * @brief Create XML text for DFRN friend suggestions
426 * @param array $item suggestion elements
427 * @param array $owner Owner record
429 * @return string DFRN suggestions
430 * @todo Add type-hints
432 public static function fsuggest($item, $owner)
434 $doc = new DOMDocument('1.0', 'utf-8');
435 $doc->formatOutput = true;
437 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
439 $suggest = $doc->createElement("dfrn:suggest");
441 XML::addElement($doc, $suggest, "dfrn:url", $item['url']);
442 XML::addElement($doc, $suggest, "dfrn:name", $item['name']);
443 XML::addElement($doc, $suggest, "dfrn:photo", $item['photo']);
444 XML::addElement($doc, $suggest, "dfrn:request", $item['request']);
445 XML::addElement($doc, $suggest, "dfrn:note", $item['note']);
447 $root->appendChild($suggest);
449 return(trim($doc->saveXML()));
453 * @brief Create XML text for DFRN relocations
455 * @param array $owner Owner record
456 * @param int $uid User ID
458 * @return string DFRN relocations
459 * @todo Add type-hints
461 public static function relocate($owner, $uid)
464 /* get site pubkey. this could be a new installation with no site keys*/
465 $pubkey = Config::get('system', 'site_pubkey');
467 $res = Crypto::newKeypair(1024);
468 Config::set('system', 'site_prvkey', $res['prvkey']);
469 Config::set('system', 'site_pubkey', $res['pubkey']);
473 "SELECT `resource-id` , `scale`, type FROM `photo`
474 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;",
478 $ext = Image::supportedTypes();
480 foreach ($rp as $p) {
481 $photos[$p['scale']] = System::baseUrl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
486 $doc = new DOMDocument('1.0', 'utf-8');
487 $doc->formatOutput = true;
489 $root = self::addHeader($doc, $owner, "dfrn:owner", "", false);
491 $relocate = $doc->createElement("dfrn:relocate");
493 XML::addElement($doc, $relocate, "dfrn:url", $owner['url']);
494 XML::addElement($doc, $relocate, "dfrn:name", $owner['name']);
495 XML::addElement($doc, $relocate, "dfrn:addr", $owner['addr']);
496 XML::addElement($doc, $relocate, "dfrn:avatar", $owner['avatar']);
497 XML::addElement($doc, $relocate, "dfrn:photo", $photos[4]);
498 XML::addElement($doc, $relocate, "dfrn:thumb", $photos[5]);
499 XML::addElement($doc, $relocate, "dfrn:micro", $photos[6]);
500 XML::addElement($doc, $relocate, "dfrn:request", $owner['request']);
501 XML::addElement($doc, $relocate, "dfrn:confirm", $owner['confirm']);
502 XML::addElement($doc, $relocate, "dfrn:notify", $owner['notify']);
503 XML::addElement($doc, $relocate, "dfrn:poll", $owner['poll']);
504 XML::addElement($doc, $relocate, "dfrn:sitepubkey", Config::get('system', 'site_pubkey'));
506 $root->appendChild($relocate);
508 return(trim($doc->saveXML()));
512 * @brief Adds the header elements for the DFRN protocol
514 * @param object $doc XML document
515 * @param array $owner Owner record
516 * @param string $authorelement Element name for the author
517 * @param string $alternatelink link to profile or category
518 * @param bool $public Is it a header for public posts?
520 * @return object XML root object
521 * @todo Add type-hints
523 private static function addHeader($doc, $owner, $authorelement, $alternatelink = "", $public = false)
526 if ($alternatelink == "") {
527 $alternatelink = $owner['url'];
530 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
531 $doc->appendChild($root);
533 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
534 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
535 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
536 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
537 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
538 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
539 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
540 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
541 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
543 XML::addElement($doc, $root, "id", System::baseUrl()."/profile/".$owner["nick"]);
544 XML::addElement($doc, $root, "title", $owner["name"]);
546 $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
547 XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
549 $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/");
550 XML::addElement($doc, $root, "link", "", $attributes);
552 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink);
553 XML::addElement($doc, $root, "link", "", $attributes);
557 // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
558 OStatus::hublinks($doc, $root, $owner["nick"]);
560 $attributes = array("rel" => "salmon", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
561 XML::addElement($doc, $root, "link", "", $attributes);
563 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
564 XML::addElement($doc, $root, "link", "", $attributes);
566 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
567 XML::addElement($doc, $root, "link", "", $attributes);
570 // For backward compatibility we keep this element
571 if ($owner['page-flags'] == PAGE_COMMUNITY) {
572 XML::addElement($doc, $root, "dfrn:community", 1);
575 // The former element is replaced by this one
576 XML::addElement($doc, $root, "dfrn:account_type", $owner["account-type"]);
578 /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP"
580 XML::addElement($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
582 $author = self::addAuthor($doc, $owner, $authorelement, $public);
583 $root->appendChild($author);
589 * @brief Adds the author element in the header for the DFRN protocol
591 * @param object $doc XML document
592 * @param array $owner Owner record
593 * @param string $authorelement Element name for the author
594 * @param boolean $public boolean
596 * @return object XML author object
597 * @todo Add type-hints
599 private static function addAuthor($doc, $owner, $authorelement, $public)
601 // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
603 "SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
604 WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d",
605 intval($owner['uid'])
607 if (DBM::is_result($r)) {
613 $author = $doc->createElement($authorelement);
615 $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00', ATOM_TIME);
616 $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
617 $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
619 $attributes = array();
621 if (!$public || !$hidewall) {
622 $attributes = array("dfrn:updated" => $namdate);
625 XML::addElement($doc, $author, "name", $owner["name"], $attributes);
626 XML::addElement($doc, $author, "uri", System::baseUrl().'/profile/'.$owner["nickname"], $attributes);
627 XML::addElement($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
629 $attributes = array("rel" => "photo", "type" => "image/jpeg",
630 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
632 if (!$public || !$hidewall) {
633 $attributes["dfrn:updated"] = $picdate;
636 XML::addElement($doc, $author, "link", "", $attributes);
638 $attributes["rel"] = "avatar";
639 XML::addElement($doc, $author, "link", "", $attributes);
642 XML::addElement($doc, $author, "dfrn:hide", "true");
645 // The following fields will only be generated if the data isn't meant for a public feed
650 $birthday = feed_birthday($owner['uid'], $owner['timezone']);
653 XML::addElement($doc, $author, "dfrn:birthday", $birthday);
656 // Only show contact details when we are allowed to
658 "SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`,
659 `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
660 `profile`.`pub_keywords`, `profile`.`xmpp`, `profile`.`dob`
662 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
663 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
664 intval($owner['uid'])
666 if (DBM::is_result($r)) {
669 XML::addElement($doc, $author, "poco:displayName", $profile["name"]);
670 XML::addElement($doc, $author, "poco:updated", $namdate);
672 if (trim($profile["dob"]) > '0001-01-01') {
673 XML::addElement($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
676 XML::addElement($doc, $author, "poco:note", $profile["about"]);
677 XML::addElement($doc, $author, "poco:preferredUsername", $profile["nickname"]);
679 $savetz = date_default_timezone_get();
680 date_default_timezone_set($profile["timezone"]);
681 XML::addElement($doc, $author, "poco:utcOffset", date("P"));
682 date_default_timezone_set($savetz);
684 if (trim($profile["homepage"]) != "") {
685 $urls = $doc->createElement("poco:urls");
686 XML::addElement($doc, $urls, "poco:type", "homepage");
687 XML::addElement($doc, $urls, "poco:value", $profile["homepage"]);
688 XML::addElement($doc, $urls, "poco:primary", "true");
689 $author->appendChild($urls);
692 if (trim($profile["pub_keywords"]) != "") {
693 $keywords = explode(",", $profile["pub_keywords"]);
695 foreach ($keywords as $keyword) {
696 XML::addElement($doc, $author, "poco:tags", trim($keyword));
700 if (trim($profile["xmpp"]) != "") {
701 $ims = $doc->createElement("poco:ims");
702 XML::addElement($doc, $ims, "poco:type", "xmpp");
703 XML::addElement($doc, $ims, "poco:value", $profile["xmpp"]);
704 XML::addElement($doc, $ims, "poco:primary", "true");
705 $author->appendChild($ims);
708 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
709 $element = $doc->createElement("poco:address");
711 XML::addElement($doc, $element, "poco:formatted", Profile::formatLocation($profile));
713 if (trim($profile["locality"]) != "") {
714 XML::addElement($doc, $element, "poco:locality", $profile["locality"]);
717 if (trim($profile["region"]) != "") {
718 XML::addElement($doc, $element, "poco:region", $profile["region"]);
721 if (trim($profile["country-name"]) != "") {
722 XML::addElement($doc, $element, "poco:country", $profile["country-name"]);
725 $author->appendChild($element);
733 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
735 * @param object $doc XML document
736 * @param string $element Element name for the author
737 * @param string $contact_url Link of the contact
738 * @param array $item Item elements
740 * @return object XML author object
741 * @todo Add type-hints
743 private static function addEntryAuthor($doc, $element, $contact_url, $item)
745 $contact = Contact::getDetailsByURL($contact_url, $item["uid"]);
747 $author = $doc->createElement($element);
748 XML::addElement($doc, $author, "name", $contact["name"]);
749 XML::addElement($doc, $author, "uri", $contact["url"]);
750 XML::addElement($doc, $author, "dfrn:handle", $contact["addr"]);
753 /// - Check real image type and image size
754 /// - Check which of these boths elements we should use
757 "type" => "image/jpeg",
759 "media:height" => 80,
760 "href" => $contact["photo"]);
761 XML::addElement($doc, $author, "link", "", $attributes);
765 "type" => "image/jpeg",
767 "media:height" => 80,
768 "href" => $contact["photo"]);
769 XML::addElement($doc, $author, "link", "", $attributes);
775 * @brief Adds the activity elements
777 * @param object $doc XML document
778 * @param string $element Element name for the activity
779 * @param string $activity activity value
781 * @return object XML activity object
782 * @todo Add type-hints
784 private static function createActivity($doc, $element, $activity)
787 $entry = $doc->createElement($element);
789 $r = parse_xml_string($activity, false);
794 XML::addElement($doc, $entry, "activity:object-type", $r->type);
797 XML::addElement($doc, $entry, "id", $r->id);
800 XML::addElement($doc, $entry, "title", $r->title);
804 if (substr($r->link, 0, 1) == '<') {
805 if (strstr($r->link, '&') && (! strstr($r->link, '&'))) {
806 $r->link = str_replace('&', '&', $r->link);
809 $r->link = preg_replace('/\<link(.*?)\"\>/', '<link$1"/>', $r->link);
811 // XML does need a single element as root element so we add a dummy element here
812 $data = parse_xml_string("<dummy>" . $r->link . "</dummy>", false);
813 if (is_object($data)) {
814 foreach ($data->link as $link) {
815 $attributes = array();
816 foreach ($link->attributes() as $parameter => $value) {
817 $attributes[$parameter] = $value;
819 XML::addElement($doc, $entry, "link", "", $attributes);
823 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link);
824 XML::addElement($doc, $entry, "link", "", $attributes);
828 XML::addElement($doc, $entry, "content", bbcode($r->content), array("type" => "html"));
838 * @brief Adds the elements for attachments
840 * @param object $doc XML document
841 * @param object $root XML root
842 * @param array $item Item element
844 * @return object XML attachment object
845 * @todo Add type-hints
847 private static function getAttachment($doc, $root, $item)
849 $arr = explode('[/attach],', $item['attach']);
851 foreach ($arr as $r) {
853 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
855 $attributes = array("rel" => "enclosure",
856 "href" => $matches[1],
857 "type" => $matches[3]);
859 if (intval($matches[2])) {
860 $attributes["length"] = intval($matches[2]);
863 if (trim($matches[4]) != "") {
864 $attributes["title"] = trim($matches[4]);
867 XML::addElement($doc, $root, "link", "", $attributes);
874 * @brief Adds the "entry" elements for the DFRN protocol
876 * @param object $doc XML document
877 * @param string $type "text" or "html"
878 * @param array $item Item element
879 * @param array $owner Owner record
880 * @param bool $comment Trigger the sending of the "comment" element
881 * @param int $cid Contact ID of the recipient
882 * @param bool $single If set, the entry is created as an XML document with a single "entry" element
884 * @return object XML entry object
885 * @todo Add type-hints
887 private static function entry($doc, $type, $item, $owner, $comment = false, $cid = 0, $single = false)
889 $mentioned = array();
891 if (!$item['parent']) {
895 if ($item['deleted']) {
896 $attributes = array("ref" => $item['uri'], "when" => datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00', ATOM_TIME));
897 return XML::createElement($doc, "at:deleted-entry", "", $attributes);
901 $entry = $doc->createElement("entry");
903 $entry = $doc->createElementNS(NAMESPACE_ATOM1, 'entry');
904 $doc->appendChild($entry);
906 $entry->setAttribute("xmlns:thr", NAMESPACE_THREAD);
907 $entry->setAttribute("xmlns:at", NAMESPACE_TOMB);
908 $entry->setAttribute("xmlns:media", NAMESPACE_MEDIA);
909 $entry->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
910 $entry->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
911 $entry->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
912 $entry->setAttribute("xmlns:poco", NAMESPACE_POCO);
913 $entry->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
914 $entry->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
917 if ($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) {
918 $body = fix_private_photos($item['body'], $owner['uid'], $item, $cid);
920 $body = $item['body'];
923 // Remove the abstract element. It is only locally important.
924 $body = remove_abstract($body);
926 if ($type == 'html') {
929 if ($item['title'] != "") {
930 $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody;
933 $htmlbody = bbcode($htmlbody, false, false, 7);
936 $author = self::addEntryAuthor($doc, "author", $item["author-link"], $item);
937 $entry->appendChild($author);
939 $dfrnowner = self::addEntryAuthor($doc, "dfrn:owner", $item["owner-link"], $item);
940 $entry->appendChild($dfrnowner);
942 if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
943 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
944 $parent = q("SELECT `guid`,`plink` FROM `item` WHERE `uri` = '%s' AND `uid` = %d", dbesc($parent_item), intval($item['uid']));
945 $attributes = array("ref" => $parent_item, "type" => "text/html",
946 "href" => $parent[0]['plink'],
947 "dfrn:diaspora_guid" => $parent[0]['guid']);
948 XML::addElement($doc, $entry, "thr:in-reply-to", "", $attributes);
951 // Add conversation data. This is used for OStatus
952 $conversation_href = System::baseUrl()."/display/".$owner["nick"]."/".$item["parent"];
953 $conversation_uri = $conversation_href;
955 if (isset($parent_item)) {
956 $r = dba::fetch_first("SELECT `conversation-uri`, `conversation-href` FROM `conversation` WHERE `item-uri` = ?", $item['parent-uri']);
957 if (DBM::is_result($r)) {
958 if ($r['conversation-uri'] != '') {
959 $conversation_uri = $r['conversation-uri'];
961 if ($r['conversation-href'] != '') {
962 $conversation_href = $r['conversation-href'];
968 "href" => $conversation_href,
969 "ref" => $conversation_uri);
971 XML::addElement($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
973 XML::addElement($doc, $entry, "id", $item["uri"]);
974 XML::addElement($doc, $entry, "title", $item["title"]);
976 XML::addElement($doc, $entry, "published", datetime_convert("UTC", "UTC", $item["created"] . "+00:00", ATOM_TIME));
977 XML::addElement($doc, $entry, "updated", datetime_convert("UTC", "UTC", $item["edited"] . "+00:00", ATOM_TIME));
979 // "dfrn:env" is used to read the content
980 XML::addElement($doc, $entry, "dfrn:env", base64url_encode($body, true));
982 // The "content" field is not read by the receiver. We could remove it when the type is "text"
983 // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
984 XML::addElement($doc, $entry, "content", (($type == 'html') ? $htmlbody : $body), array("type" => $type));
986 // We save this value in "plink". Maybe we should read it from there as well?
992 array("rel" => "alternate", "type" => "text/html",
993 "href" => System::baseUrl() . "/display/" . $item["guid"])
996 // "comment-allow" is some old fashioned stuff for old Friendica versions.
997 // It is included in the rewritten code for completeness
999 XML::addElement($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
1002 if ($item['location']) {
1003 XML::addElement($doc, $entry, "dfrn:location", $item['location']);
1006 if ($item['coord']) {
1007 XML::addElement($doc, $entry, "georss:point", $item['coord']);
1010 if (($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid'])) {
1011 XML::addElement($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
1014 if ($item['extid']) {
1015 XML::addElement($doc, $entry, "dfrn:extid", $item['extid']);
1018 if ($item['bookmark']) {
1019 XML::addElement($doc, $entry, "dfrn:bookmark", "true");
1023 XML::addElement($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
1026 XML::addElement($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
1028 // The signed text contains the content in Markdown, the sender handle and the signatur for the content
1029 // It is needed for relayed comments to Diaspora.
1030 if ($item['signed_text']) {
1031 $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
1032 XML::addElement($doc, $entry, "dfrn:diaspora_signature", $sign);
1035 XML::addElement($doc, $entry, "activity:verb", construct_verb($item));
1037 if ($item['object-type'] != "") {
1038 XML::addElement($doc, $entry, "activity:object-type", $item['object-type']);
1039 } elseif ($item['id'] == $item['parent']) {
1040 XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
1042 XML::addElement($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
1045 $actobj = self::createActivity($doc, "activity:object", $item['object']);
1047 $entry->appendChild($actobj);
1050 $actarg = self::createActivity($doc, "activity:target", $item['target']);
1052 $entry->appendChild($actarg);
1055 $tags = item_getfeedtags($item);
1058 foreach ($tags as $t) {
1059 if (($type != 'html') || ($t[0] != "@")) {
1060 XML::addElement($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]));
1066 foreach ($tags as $t) {
1068 $mentioned[$t[1]] = $t[1];
1073 foreach ($mentioned as $mention) {
1075 "SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
1076 intval($owner["uid"]),
1077 dbesc(normalise_link($mention))
1080 if (DBM::is_result($r) && ($r[0]["forum"] || $r[0]["prv"])) {
1086 array("rel" => "mentioned",
1087 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
1096 array("rel" => "mentioned",
1097 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
1103 self::getAttachment($doc, $entry, $item);
1109 * @brief encrypts data via AES
1111 * @param string $data The data that is to be encrypted
1112 * @param string $key The AES key
1114 * @return string encrypted data
1116 private static function aesEncrypt($data, $key)
1118 return openssl_encrypt($data, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1122 * @brief decrypts data via AES
1124 * @param string $encrypted The encrypted data
1125 * @param string $key The AES key
1127 * @return string decrypted data
1129 public static function aesDecrypt($encrypted, $key)
1131 return openssl_decrypt($encrypted, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1135 * @brief Delivers the atom content to the contacts
1137 * @param array $owner Owner record
1138 * @param array $contact Contact record of the receiver
1139 * @param string $atom Content that will be transmitted
1140 * @param bool $dissolve (to be documented)
1142 * @return int Deliver status. -1 means an error.
1143 * @todo Add array type-hint for $owner, $contact
1145 public static function deliver($owner, $contact, $atom, $dissolve = false)
1149 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
1151 if ($contact['duplex'] && $contact['dfrn-id']) {
1152 $idtosend = '0:' . $orig_id;
1154 if ($contact['duplex'] && $contact['issued-id']) {
1155 $idtosend = '1:' . $orig_id;
1158 $rino = Config::get('system', 'rino_encrypt');
1159 $rino = intval($rino);
1161 logger("Local rino version: ". $rino, LOGGER_DEBUG);
1163 $ssl_val = intval(Config::get('system', 'ssl_policy'));
1167 case SSL_POLICY_FULL:
1168 $ssl_policy = 'full';
1170 case SSL_POLICY_SELFSIGN:
1171 $ssl_policy = 'self';
1173 case SSL_POLICY_NONE:
1175 $ssl_policy = 'none';
1179 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
1181 logger('dfrn_deliver: ' . $url);
1183 $ret = z_fetch_url($url);
1185 if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
1186 return -2; // timed out
1189 $xml = $ret['body'];
1191 $curl_stat = $a->get_curl_code();
1193 return -3; // timed out
1196 logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
1202 if (strpos($xml, '<?xml') === false) {
1203 logger('dfrn_deliver: no valid XML returned');
1204 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
1208 $res = parse_xml_string($xml);
1210 if ((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) {
1211 return (($res->status) ? $res->status : 3);
1214 $postvars = array();
1215 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
1216 $challenge = hex2bin((string) $res->challenge);
1217 $perm = (($res->perm) ? $res->perm : null);
1218 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
1219 $rino_remote_version = intval($res->rino);
1220 $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0);
1222 logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG);
1224 if ($owner['page-flags'] == PAGE_PRVGROUP) {
1228 $final_dfrn_id = '';
1231 if ((($perm == 'rw') && (! intval($contact['writable'])))
1232 || (($perm == 'r') && (intval($contact['writable'])))
1235 "update contact set writable = %d where id = %d",
1236 intval(($perm == 'rw') ? 1 : 0),
1237 intval($contact['id'])
1239 $contact['writable'] = (string) 1 - intval($contact['writable']);
1243 if (($contact['duplex'] && strlen($contact['pubkey']))
1244 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1245 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))
1247 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
1248 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
1250 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
1251 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
1254 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
1256 if (strpos($final_dfrn_id, ':') == 1) {
1257 $final_dfrn_id = substr($final_dfrn_id, 2);
1260 if ($final_dfrn_id != $orig_id) {
1261 logger('dfrn_deliver: wrong dfrn_id.');
1262 // did not decode properly - cannot trust this site
1266 $postvars['dfrn_id'] = $idtosend;
1267 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
1269 $postvars['dissolve'] = '1';
1273 if ((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1274 $postvars['data'] = $atom;
1275 $postvars['perm'] = 'rw';
1277 $postvars['data'] = str_replace('<dfrn:comment-allow>1', '<dfrn:comment-allow>0', $atom);
1278 $postvars['perm'] = 'r';
1281 $postvars['ssl_policy'] = $ssl_policy;
1284 $postvars['page'] = $page;
1288 if ($rino > 0 && $rino_remote_version > 0 && (! $dissolve)) {
1289 logger('rino version: '. $rino_remote_version);
1291 switch ($rino_remote_version) {
1293 // Deprecated rino version!
1294 $key = openssl_random_pseudo_bytes(16);
1295 $data = self::aesEncrypt($postvars['data'], $key);
1298 // RINO 2 based on php-encryption
1300 $key = \Crypto::CreateNewRandomKey();
1301 } catch (\CryptoTestFailedException $ex) {
1302 logger('Cannot safely create a key');
1304 } catch (\CannotPerformOperationException $ex) {
1305 logger('Cannot safely create a key');
1309 $data = \Crypto::Encrypt($postvars['data'], $key);
1310 } catch (\CryptoTestFailedException $ex) {
1311 logger('Cannot safely perform encryption');
1313 } catch (\CannotPerformOperationException $ex) {
1314 logger('Cannot safely perform encryption');
1319 logger("rino: invalid requested version '$rino_remote_version'");
1323 $postvars['rino'] = $rino_remote_version;
1324 $postvars['data'] = bin2hex($data);
1326 //logger('rino: sent key = ' . $key, LOGGER_DEBUG);
1329 if ($dfrn_version >= 2.1) {
1330 if (($contact['duplex'] && strlen($contact['pubkey']))
1331 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1332 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))
1334 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1336 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1339 if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1340 openssl_private_encrypt($key, $postvars['key'], $contact['prvkey']);
1342 openssl_public_encrypt($key, $postvars['key'], $contact['pubkey']);
1346 logger('md5 rawkey ' . md5($postvars['key']));
1348 $postvars['key'] = bin2hex($postvars['key']);
1352 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars, true), LOGGER_DATA);
1354 $xml = post_url($contact['notify'], $postvars);
1356 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
1358 $curl_stat = $a->get_curl_code();
1359 if ((!$curl_stat) || (!strlen($xml))) {
1360 return -9; // timed out
1363 if (($curl_stat == 503) && (stristr($a->get_curl_headers(), 'retry-after'))) {
1367 if (strpos($xml, '<?xml') === false) {
1368 logger('dfrn_deliver: phase 2: no valid XML returned');
1369 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
1373 if ($contact['term-date'] > NULL_DATE) {
1374 logger("dfrn_deliver: $url back from the dead - removing mark for death");
1375 Contact::unmarkForArchival($contact);
1378 $res = parse_xml_string($xml);
1380 if (!isset($res->status)) {
1384 if (!empty($res->message)) {
1385 logger('Delivery returned status '.$res->status.' - '.$res->message, LOGGER_DEBUG);
1388 return intval($res->status);
1392 * @brief Add new birthday event for this person
1394 * @param array $contact Contact record
1395 * @param string $birthday Birthday of the contact
1397 * @todo Add array type-hint for $contact
1399 private static function birthdayEvent($contact, $birthday)
1401 // Check for duplicates
1403 "SELECT `id` FROM `event` WHERE `uid` = %d AND `cid` = %d AND `start` = '%s' AND `type` = '%s' LIMIT 1",
1404 intval($contact["uid"]),
1405 intval($contact["id"]),
1406 dbesc(datetime_convert("UTC", "UTC", $birthday)),
1410 if (DBM::is_result($r)) {
1414 logger("updating birthday: ".$birthday." for contact ".$contact["id"]);
1416 $bdtext = sprintf(t("%s\'s birthday"), $contact["name"]);
1417 $bdtext2 = sprintf(t("Happy Birthday %s"), " [url=".$contact["url"]."]".$contact["name"]."[/url]");
1420 "INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`)
1421 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
1422 intval($contact["uid"]),
1423 intval($contact["id"]),
1424 dbesc(datetime_convert()),
1425 dbesc(datetime_convert()),
1426 dbesc(datetime_convert("UTC", "UTC", $birthday)),
1427 dbesc(datetime_convert("UTC", "UTC", $birthday . " + 1 day ")),
1435 * @brief Fetch the author data from head or entry items
1437 * @param object $xpath XPath object
1438 * @param object $context In which context should the data be searched
1439 * @param array $importer Record of the importer user mixed with contact of the content
1440 * @param string $element Element name from which the data is fetched
1441 * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well
1442 * @param string $xml optional, default empty
1444 * @return array Relevant data of the author
1445 * @todo Find good type-hints for all parameter
1447 private static function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "")
1450 $author["name"] = $xpath->evaluate($element."/atom:name/text()", $context)->item(0)->nodeValue;
1451 $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue;
1454 "SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`,
1455 `name`, `nick`, `about`, `location`, `keywords`, `xmpp`, `bdyear`, `bd`, `hidden`, `contact-type`
1456 FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
1457 intval($importer["uid"]),
1458 dbesc(normalise_link($author["link"])),
1459 dbesc(NETWORK_STATUSNET)
1462 if (DBM::is_result($r)) {
1464 $author["contact-id"] = $r[0]["id"];
1465 $author["network"] = $r[0]["network"];
1468 logger("Contact ".$author["link"]." wasn't found for user ".$importer["uid"]." XML: ".$xml, LOGGER_DEBUG);
1471 $author["contact-id"] = $importer["id"];
1472 $author["network"] = $importer["network"];
1476 // Until now we aren't serving different sizes - but maybe later
1477 $avatarlist = array();
1478 /// @todo check if "avatar" or "photo" would be the best field in the specification
1479 $avatars = $xpath->query($element."/atom:link[@rel='avatar']", $context);
1480 foreach ($avatars as $avatar) {
1483 foreach ($avatar->attributes as $attributes) {
1484 /// @TODO Rewrite these similar if () to one switch
1485 if ($attributes->name == "href") {
1486 $href = $attributes->textContent;
1488 if ($attributes->name == "width") {
1489 $width = $attributes->textContent;
1491 if ($attributes->name == "updated") {
1492 $contact["avatar-date"] = $attributes->textContent;
1495 if (($width > 0) && ($href != "")) {
1496 $avatarlist[$width] = $href;
1499 if (count($avatarlist) > 0) {
1500 krsort($avatarlist);
1501 $author["avatar"] = current($avatarlist);
1504 if (DBM::is_result($r) && !$onlyfetch) {
1505 logger("Check if contact details for contact " . $r[0]["id"] . " (" . $r[0]["nick"] . ") have to be updated.", LOGGER_DEBUG);
1507 $poco = array("url" => $contact["url"]);
1509 // When was the last change to name or uri?
1510 $name_element = $xpath->query($element . "/atom:name", $context)->item(0);
1511 foreach ($name_element->attributes as $attributes) {
1512 if ($attributes->name == "updated") {
1513 $poco["name-date"] = $attributes->textContent;
1517 $link_element = $xpath->query($element . "/atom:link", $context)->item(0);
1518 foreach ($link_element->attributes as $attributes) {
1519 if ($attributes->name == "updated") {
1520 $poco["uri-date"] = $attributes->textContent;
1524 // Update contact data
1525 $value = $xpath->evaluate($element . "/dfrn:handle/text()", $context)->item(0)->nodeValue;
1527 $poco["addr"] = $value;
1530 $value = $xpath->evaluate($element . "/poco:displayName/text()", $context)->item(0)->nodeValue;
1532 $poco["name"] = $value;
1535 $value = $xpath->evaluate($element . "/poco:preferredUsername/text()", $context)->item(0)->nodeValue;
1537 $poco["nick"] = $value;
1540 $value = $xpath->evaluate($element . "/poco:note/text()", $context)->item(0)->nodeValue;
1542 $poco["about"] = $value;
1545 $value = $xpath->evaluate($element . "/poco:address/poco:formatted/text()", $context)->item(0)->nodeValue;
1547 $poco["location"] = $value;
1550 /// @todo Only search for elements with "poco:type" = "xmpp"
1551 $value = $xpath->evaluate($element . "/poco:ims/poco:value/text()", $context)->item(0)->nodeValue;
1553 $poco["xmpp"] = $value;
1556 /// @todo Add support for the following fields that we don't support by now in the contact table:
1557 /// - poco:utcOffset
1563 // If the "hide" element is present then the profile isn't searchable.
1564 $hide = intval($xpath->evaluate($element . "/dfrn:hide/text()", $context)->item(0)->nodeValue == "true");
1566 logger("Hidden status for contact " . $contact["url"] . ": " . $hide, LOGGER_DEBUG);
1568 // If the contact isn't searchable then set the contact to "hidden".
1569 // Problem: This can be manually overridden by the user.
1571 $contact["hidden"] = true;
1574 // Save the keywords into the contact table
1576 $tagelements = $xpath->evaluate($element . "/poco:tags/text()", $context);
1577 foreach ($tagelements as $tag) {
1578 $tags[$tag->nodeValue] = $tag->nodeValue;
1582 $poco["keywords"] = implode(", ", $tags);
1585 // "dfrn:birthday" contains the birthday converted to UTC
1586 $old_bdyear = $contact["bdyear"];
1588 $birthday = $xpath->evaluate($element . "/dfrn:birthday/text()", $context)->item(0)->nodeValue;
1590 if (strtotime($birthday) > time()) {
1591 $bd_timestamp = strtotime($birthday);
1593 $poco["bdyear"] = date("Y", $bd_timestamp);
1596 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1597 $value = $xpath->evaluate($element . "/poco:birthday/text()", $context)->item(0)->nodeValue;
1599 if (!in_array($value, array("", "0000-00-00", "0001-01-01"))) {
1600 $bdyear = date("Y");
1601 $value = str_replace("0000", $bdyear, $value);
1603 if (strtotime($value) < time()) {
1604 $value = str_replace($bdyear, $bdyear + 1, $value);
1605 $bdyear = $bdyear + 1;
1608 $poco["bd"] = $value;
1611 $contact = array_merge($contact, $poco);
1613 if ($old_bdyear != $contact["bdyear"]) {
1614 self::birthdayEvent($contact, $birthday);
1617 // Get all field names
1619 foreach ($r[0] as $field => $data) {
1620 $fields[$field] = $data;
1623 unset($fields["id"]);
1624 unset($fields["uid"]);
1625 unset($fields["url"]);
1626 unset($fields["avatar-date"]);
1627 unset($fields["name-date"]);
1628 unset($fields["uri-date"]);
1630 // Update check for this field has to be done differently
1631 $datefields = array("name-date", "uri-date");
1632 foreach ($datefields as $field) {
1633 if (strtotime($contact[$field]) > strtotime($r[0][$field])) {
1634 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1639 foreach ($fields as $field => $data) {
1640 if ($contact[$field] != $r[0][$field]) {
1641 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1647 logger("Update contact data for contact " . $contact["id"] . " (" . $contact["nick"] . ")", LOGGER_DEBUG);
1650 "UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s',
1651 `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s', `hidden` = %d,
1652 `xmpp` = '%s', `name-date` = '%s', `uri-date` = '%s'
1653 WHERE `id` = %d AND `network` = '%s'",
1654 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
1655 dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]),
1656 dbesc($contact["bd"]), intval($contact["hidden"]), dbesc($contact["xmpp"]),
1657 dbesc(DBM::date($contact["name-date"])), dbesc(DBM::date($contact["uri-date"])),
1658 intval($contact["id"]), dbesc($contact["network"])
1662 Contact::updateAvatar(
1666 (strtotime($contact["avatar-date"]) > strtotime($r[0]["avatar-date"]))
1670 * The generation is a sign for the reliability of the provided data.
1671 * It is used in the socgraph.php to prevent that old contact data
1672 * that was relayed over several servers can overwrite contact
1673 * data that we received directly.
1676 $poco["generation"] = 2;
1677 $poco["photo"] = $author["avatar"];
1678 $poco["hide"] = $hide;
1679 $poco["contact-type"] = $contact["contact-type"];
1680 $gcid = GContact::update($poco);
1682 GContact::link($gcid, $importer["uid"], $contact["id"]);
1689 * @brief Transforms activity objects into an XML string
1691 * @param object $xpath XPath object
1692 * @param object $activity Activity object
1693 * @param string $element element name
1695 * @return string XML string
1696 * @todo Find good type-hints for all parameter
1698 private static function transformActivity($xpath, $activity, $element)
1700 if (!is_object($activity)) {
1704 $obj_doc = new DOMDocument("1.0", "utf-8");
1705 $obj_doc->formatOutput = true;
1707 $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element);
1709 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1710 XML::addElement($obj_doc, $obj_element, "type", $activity_type);
1712 $id = $xpath->query("atom:id", $activity)->item(0);
1713 if (is_object($id)) {
1714 $obj_element->appendChild($obj_doc->importNode($id, true));
1717 $title = $xpath->query("atom:title", $activity)->item(0);
1718 if (is_object($title)) {
1719 $obj_element->appendChild($obj_doc->importNode($title, true));
1722 $links = $xpath->query("atom:link", $activity);
1723 if (is_object($links)) {
1724 foreach ($links as $link) {
1725 $obj_element->appendChild($obj_doc->importNode($link, true));
1729 $content = $xpath->query("atom:content", $activity)->item(0);
1730 if (is_object($content)) {
1731 $obj_element->appendChild($obj_doc->importNode($content, true));
1734 $obj_doc->appendChild($obj_element);
1736 $objxml = $obj_doc->saveXML($obj_element);
1738 /// @todo This isn't totally clean. We should find a way to transform the namespaces
1739 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1744 * @brief Processes the mail elements
1746 * @param object $xpath XPath object
1747 * @param object $mail mail elements
1748 * @param array $importer Record of the importer user mixed with contact of the content
1750 * @todo Find good type-hints for all parameter
1752 private static function processMail($xpath, $mail, $importer)
1754 logger("Processing mails");
1756 /// @TODO Rewrite this to one statement
1758 $msg["uid"] = $importer["importer_uid"];
1759 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1760 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1761 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1762 $msg["contact-id"] = $importer["id"];
1763 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1764 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1765 $msg["created"] = $xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue;
1766 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1767 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1769 $msg["replied"] = 0;
1771 dba::insert('mail', $msg);
1773 // send notifications.
1774 /// @TODO Arange this mess
1775 $notif_params = array(
1776 "type" => NOTIFY_MAIL,
1777 "notify_flags" => $importer["notify-flags"],
1778 "language" => $importer["language"],
1779 "to_name" => $importer["username"],
1780 "to_email" => $importer["email"],
1781 "uid" => $importer["importer_uid"],
1783 "source_name" => $msg["from-name"],
1784 "source_link" => $importer["url"],
1785 "source_photo" => $importer["thumb"],
1786 "verb" => ACTIVITY_POST,
1790 notification($notif_params);
1792 logger("Mail is processed, notification was sent.");
1796 * @brief Processes the suggestion elements
1798 * @param object $xpath XPath object
1799 * @param object $suggestion suggestion elements
1800 * @param array $importer Record of the importer user mixed with contact of the content
1802 * @todo Find good type-hints for all parameter
1804 private static function processSuggestion($xpath, $suggestion, $importer)
1808 logger("Processing suggestions");
1810 /// @TODO Rewrite this to one statement
1812 $suggest["uid"] = $importer["importer_uid"];
1813 $suggest["cid"] = $importer["id"];
1814 $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue;
1815 $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue;
1816 $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue;
1817 $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue;
1818 $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue;
1820 // Does our member already have a friend matching this description?
1823 "SELECT `id` FROM `contact` WHERE `name` = '%s' AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
1824 dbesc($suggest["name"]),
1825 dbesc(normalise_link($suggest["url"])),
1826 intval($suggest["uid"])
1830 * The valid result means the friend we're about to send a friend
1831 * suggestion already has them in their contact, which means no further
1832 * action is required.
1834 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1836 if (DBM::is_result($r)) {
1840 // Do we already have an fcontact record for this person?
1844 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1845 dbesc($suggest["url"]),
1846 dbesc($suggest["name"]),
1847 dbesc($suggest["request"])
1849 if (DBM::is_result($r)) {
1852 // OK, we do. Do we already have an introduction for this person ?
1854 "SELECT `id` FROM `intro` WHERE `uid` = %d AND `fid` = %d LIMIT 1",
1855 intval($suggest["uid"]),
1860 * The valid result means the friend we're about to send a friend
1861 * suggestion already has them in their contact, which means no further
1862 * action is required.
1864 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1866 if (DBM::is_result($r)) {
1872 "INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')",
1873 dbesc($suggest["name"]),
1874 dbesc($suggest["url"]),
1875 dbesc($suggest["photo"]),
1876 dbesc($suggest["request"])
1880 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1881 dbesc($suggest["url"]),
1882 dbesc($suggest["name"]),
1883 dbesc($suggest["request"])
1887 * If no record in fcontact is found, below INSERT statement will not
1888 * link an introduction to it.
1890 if (!DBM::is_result($r)) {
1891 // database record did not get created. Quietly give up.
1897 $hash = random_string();
1900 "INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`)
1901 VALUES(%d, %d, %d, '%s', '%s', '%s', %d)",
1902 intval($suggest["uid"]),
1904 intval($suggest["cid"]),
1905 dbesc($suggest["body"]),
1907 dbesc(datetime_convert()),
1913 "type" => NOTIFY_SUGGEST,
1914 "notify_flags" => $importer["notify-flags"],
1915 "language" => $importer["language"],
1916 "to_name" => $importer["username"],
1917 "to_email" => $importer["email"],
1918 "uid" => $importer["importer_uid"],
1920 "link" => System::baseUrl()."/notifications/intros",
1921 "source_name" => $importer["name"],
1922 "source_link" => $importer["url"],
1923 "source_photo" => $importer["photo"],
1924 "verb" => ACTIVITY_REQ_FRIEND,
1932 * @brief Processes the relocation elements
1934 * @param object $xpath XPath object
1935 * @param object $relocation relocation elements
1936 * @param array $importer Record of the importer user mixed with contact of the content
1938 * @todo Find good type-hints for all parameter
1940 private static function processRelocation($xpath, $relocation, $importer)
1942 logger("Processing relocations");
1944 /// @TODO Rewrite this to one statement
1945 $relocate = array();
1946 $relocate["uid"] = $importer["importer_uid"];
1947 $relocate["cid"] = $importer["id"];
1948 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1949 $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue;
1950 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1951 $relocate["avatar"] = $xpath->query("dfrn:avatar/text()", $relocation)->item(0)->nodeValue;
1952 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1953 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1954 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1955 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1956 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1957 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1958 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1959 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1961 if (($relocate["avatar"] == "") && ($relocate["photo"] != "")) {
1962 $relocate["avatar"] = $relocate["photo"];
1965 if ($relocate["addr"] == "") {
1966 $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]);
1971 "SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;",
1972 intval($importer["id"]),
1973 intval($importer["importer_uid"])
1976 if (!DBM::is_result($r)) {
1977 logger("Query failed to execute, no result returned in " . __FUNCTION__);
1983 // Update the gcontact entry
1984 $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]);
1987 "UPDATE `gcontact` SET
1996 WHERE `nurl` = '%s';",
1997 dbesc($relocate["name"]),
1998 dbesc($relocate["avatar"]),
1999 dbesc($relocate["url"]),
2000 dbesc(normalise_link($relocate["url"])),
2001 dbesc($relocate["addr"]),
2002 dbesc($relocate["addr"]),
2003 dbesc($relocate["notify"]),
2004 dbesc($relocate["server_url"]),
2005 dbesc(normalise_link($old["url"]))
2008 // Update the contact table. We try to find every entry.
2010 "UPDATE `contact` SET
2020 `site-pubkey` = '%s'
2021 WHERE (`id` = %d AND `uid` = %d) OR (`nurl` = '%s');",
2022 dbesc($relocate["name"]),
2023 dbesc($relocate["avatar"]),
2024 dbesc($relocate["url"]),
2025 dbesc(normalise_link($relocate["url"])),
2026 dbesc($relocate["addr"]),
2027 dbesc($relocate["request"]),
2028 dbesc($relocate["confirm"]),
2029 dbesc($relocate["notify"]),
2030 dbesc($relocate["poll"]),
2031 dbesc($relocate["sitepubkey"]),
2032 intval($importer["id"]),
2033 intval($importer["importer_uid"]),
2034 dbesc(normalise_link($old["url"]))
2037 Contact::updateAvatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true);
2044 /// @todo This is an extreme performance killer
2046 'owner-link' => array($old["url"], $relocate["url"]),
2047 'author-link' => array($old["url"], $relocate["url"]),
2048 //'owner-avatar' => array($old["photo"], $relocate["photo"]),
2049 //'author-avatar' => array($old["photo"], $relocate["photo"]),
2051 foreach ($fields as $n => $f) {
2053 "SELECT `id` FROM `item` WHERE `%s` = '%s' AND `uid` = %d LIMIT 1",
2056 intval($importer["importer_uid"])
2059 if (DBM::is_result($r)) {
2061 "UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
2066 intval($importer["importer_uid"])
2076 /// merge with current record, current contents have priority
2077 /// update record, set url-updated
2078 /// update profile photos
2079 /// schedule a scan?
2084 * @brief Updates an item
2086 * @param array $current the current item record
2087 * @param array $item the new item record
2088 * @param array $importer Record of the importer user mixed with contact of the content
2089 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2091 * @todo set proper type-hints (array?)
2093 private static function updateContent($current, $item, $importer, $entrytype)
2097 if (edited_timestamp_is_newer($current, $item)) {
2098 // do not accept (ignore) an earlier edit than one we currently have.
2099 if (datetime_convert("UTC", "UTC", $item["edited"]) < $current["edited"]) {
2103 $fields = array('title' => $item["title"], 'body' => $item["body"],
2104 'tag' => $item["tag"], 'changed' => datetime_convert(),
2105 'edited' => datetime_convert("UTC", "UTC", $item["edited"]));
2107 $condition = array("`uri` = ? AND `uid` IN (0, ?)", $item["uri"], $importer["importer_uid"]);
2108 dba::update('item', $fields, $condition);
2110 create_tags_from_itemuri($item["uri"], $importer["importer_uid"]);
2111 update_thread_uri($item["uri"], $importer["importer_uid"]);
2115 if ($entrytype == DFRN_REPLY_RC) {
2116 Worker::add(PRIORITY_HIGH, "Notifier", "comment-import", $current["id"]);
2120 // update last-child if it changes
2121 if ($item["last-child"] && ($item["last-child"] != $current["last-child"])) {
2123 "UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2124 dbesc(datetime_convert()),
2125 dbesc($item["parent-uri"]),
2126 intval($importer["importer_uid"])
2129 "UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2130 intval($item["last-child"]),
2131 dbesc(datetime_convert()),
2132 dbesc($item["uri"]),
2133 intval($importer["importer_uid"])
2140 * @brief Detects the entry type of the item
2142 * @param array $importer Record of the importer user mixed with contact of the content
2143 * @param array $item the new item record
2145 * @return int Is it a toplevel entry, a comment or a relayed comment?
2146 * @todo set proper type-hints (array?)
2148 private static function getEntryType($importer, $item)
2150 if ($item["parent-uri"] != $item["uri"]) {
2153 if ($importer["page-flags"] == PAGE_COMMUNITY || $importer["page-flags"] == PAGE_PRVGROUP) {
2156 logger("possible community action");
2158 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
2161 // was the top-level post for this action written by somebody on this site?
2162 // Specifically, the recipient?
2164 $is_a_remote_action = false;
2167 "SELECT `item`.`parent-uri` FROM `item`
2168 WHERE `item`.`uri` = '%s'
2170 dbesc($item["parent-uri"])
2172 if (DBM::is_result($r)) {
2174 "SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
2175 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
2176 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
2177 AND `item`.`uid` = %d
2180 dbesc($r[0]["parent-uri"]),
2181 dbesc($r[0]["parent-uri"]),
2182 dbesc($r[0]["parent-uri"]),
2183 intval($importer["importer_uid"])
2185 if (DBM::is_result($r)) {
2186 $is_a_remote_action = true;
2191 * Does this have the characteristics of a community or private group action?
2192 * If it's an action to a wall post on a community/prvgroup page it's a
2193 * valid community action. Also forum_mode makes it valid for sure.
2194 * If neither, it's not.
2197 /// @TODO Maybe merge these if() blocks into one?
2198 if ($is_a_remote_action && $community && (!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
2199 $is_a_remote_action = false;
2200 logger("not a community action");
2203 if ($is_a_remote_action) {
2204 return DFRN_REPLY_RC;
2209 return DFRN_TOP_LEVEL;
2214 * @brief Send a "poke"
2216 * @param array $item the new item record
2217 * @param array $importer Record of the importer user mixed with contact of the content
2218 * @param int $posted_id The record number of item record that was just posted
2220 * @todo set proper type-hints (array?)
2222 private static function doPoke($item, $importer, $posted_id)
2224 $verb = urldecode(substr($item["verb"], strpos($item["verb"], "#")+1));
2228 $xo = parse_xml_string($item["object"], false);
2230 if (($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) {
2231 // somebody was poked/prodded. Was it me?
2232 foreach ($xo->link as $l) {
2233 $atts = $l->attributes();
2234 switch ($atts["rel"]) {
2236 $Blink = $atts["href"];
2243 if ($Blink && link_compare($Blink, System::baseUrl() . "/profile/" . $importer["nickname"])) {
2244 // send a notification
2247 "type" => NOTIFY_POKE,
2248 "notify_flags" => $importer["notify-flags"],
2249 "language" => $importer["language"],
2250 "to_name" => $importer["username"],
2251 "to_email" => $importer["email"],
2252 "uid" => $importer["importer_uid"],
2254 "link" => System::baseUrl()."/display/".urlencode(get_item_guid($posted_id)),
2255 "source_name" => stripslashes($item["author-name"]),
2256 "source_link" => $item["author-link"],
2257 "source_photo" => ((link_compare($item["author-link"], $importer["url"]))
2258 ? $importer["thumb"] : $item["author-avatar"]),
2259 "verb" => $item["verb"],
2260 "otype" => "person",
2261 "activity" => $verb,
2262 "parent" => $item["parent"])
2269 * @brief Processes several actions, depending on the verb
2271 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2272 * @param array $importer Record of the importer user mixed with contact of the content
2273 * @param array $item the new item record
2274 * @param bool $is_like Is the verb a "like"?
2276 * @return bool Should the processing of the entries be continued?
2277 * @todo set proper type-hints (array?)
2279 private static function processVerbs($entrytype, $importer, &$item, &$is_like)
2281 logger("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, LOGGER_DEBUG);
2283 if (($entrytype == DFRN_TOP_LEVEL)) {
2284 // The filling of the the "contact" variable is done for legcy reasons
2285 // The functions below are partly used by ostatus.php as well - where we have this variable
2286 $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"]));
2288 $nickname = $contact["nick"];
2290 // Big question: Do we need these functions? They were part of the "consume_feed" function.
2291 // This function once was responsible for DFRN and OStatus.
2292 if (activity_match($item["verb"], ACTIVITY_FOLLOW)) {
2293 logger("New follower");
2294 new_follower($importer, $contact, $item, $nickname);
2297 if (activity_match($item["verb"], ACTIVITY_UNFOLLOW)) {
2298 logger("Lost follower");
2299 lose_follower($importer, $contact, $item);
2302 if (activity_match($item["verb"], ACTIVITY_REQ_FRIEND)) {
2303 logger("New friend request");
2304 new_follower($importer, $contact, $item, $nickname, true);
2307 if (activity_match($item["verb"], ACTIVITY_UNFRIEND)) {
2308 logger("Lost sharer");
2309 lose_sharer($importer, $contact, $item);
2313 if (($item["verb"] == ACTIVITY_LIKE)
2314 || ($item["verb"] == ACTIVITY_DISLIKE)
2315 || ($item["verb"] == ACTIVITY_ATTEND)
2316 || ($item["verb"] == ACTIVITY_ATTENDNO)
2317 || ($item["verb"] == ACTIVITY_ATTENDMAYBE)
2320 $item["type"] = "activity";
2321 $item["gravity"] = GRAVITY_LIKE;
2322 // only one like or dislike per person
2323 // splitted into two queries for performance issues
2325 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `parent-uri` = '%s' AND NOT `deleted` LIMIT 1",
2326 intval($item["uid"]),
2327 dbesc($item["author-link"]),
2328 dbesc($item["verb"]),
2329 dbesc($item["parent-uri"])
2331 if (DBM::is_result($r)) {
2336 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `thr-parent` = '%s' AND NOT `deleted` LIMIT 1",
2337 intval($item["uid"]),
2338 dbesc($item["author-link"]),
2339 dbesc($item["verb"]),
2340 dbesc($item["parent-uri"])
2342 if (DBM::is_result($r)) {
2349 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2350 $xo = parse_xml_string($item["object"], false);
2351 $xt = parse_xml_string($item["target"], false);
2353 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2355 "SELECT `id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2357 intval($importer["importer_uid"])
2360 if (!DBM::is_result($r)) {
2361 logger("Query failed to execute, no result returned in " . __FUNCTION__);
2365 // extract tag, if not duplicate, add to parent item
2367 if (!(stristr($r[0]["tag"], trim($xo->content)))) {
2369 "UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2370 dbesc($r[0]["tag"] . (strlen($r[0]["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]'),
2373 create_tags_from_item($r[0]["id"]);
2383 * @brief Processes the link elements
2385 * @param object $links link elements
2386 * @param array $item the item record
2388 * @todo set proper type-hints
2390 private static function parseLinks($links, &$item)
2397 foreach ($links as $link) {
2398 foreach ($link->attributes as $attributes) {
2399 /// @TODO Rewrite these repeated (same) if () statements to a switch()
2400 if ($attributes->name == "href") {
2401 $href = $attributes->textContent;
2403 if ($attributes->name == "rel") {
2404 $rel = $attributes->textContent;
2406 if ($attributes->name == "type") {
2407 $type = $attributes->textContent;
2409 if ($attributes->name == "length") {
2410 $length = $attributes->textContent;
2412 if ($attributes->name == "title") {
2413 $title = $attributes->textContent;
2416 if (($rel != "") && ($href != "")) {
2419 $item["plink"] = $href;
2423 if (strlen($item["attach"])) {
2424 $item["attach"] .= ",";
2427 $item["attach"] .= '[attach]href="' . $href . '" length="' . $length . '" type="' . $type . '" title="' . $title . '"[/attach]';
2435 * @brief Processes the entry elements which contain the items and comments
2437 * @param array $header Array of the header elements that always stay the same
2438 * @param object $xpath XPath object
2439 * @param object $entry entry elements
2440 * @param array $importer Record of the importer user mixed with contact of the content
2441 * @param object $xml xml
2443 * @todo Add type-hints
2445 private static function processEntry($header, $xpath, $entry, $importer, $xml)
2447 logger("Processing entries");
2451 $item["protocol"] = PROTOCOL_DFRN;
2453 $item["source"] = $xml;
2456 $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue;
2458 $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue;
2461 "SELECT `id`, `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2462 dbesc($item["uri"]),
2463 intval($importer["importer_uid"])
2466 // Is there an existing item?
2467 if (DBM::is_result($current) && edited_timestamp_is_newer($current[0], $item)
2468 && (datetime_convert("UTC", "UTC", $item["edited"]) < $current[0]["edited"])
2470 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2475 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true);
2477 $item["owner-name"] = $owner["name"];
2478 $item["owner-link"] = $owner["link"];
2479 $item["owner-avatar"] = $owner["avatar"];
2482 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true);
2484 $item["author-name"] = $author["name"];
2485 $item["author-link"] = $author["link"];
2486 $item["author-avatar"] = $author["avatar"];
2488 $item["title"] = $xpath->query("atom:title/text()", $entry)->item(0)->nodeValue;
2490 $item["created"] = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2492 $item["body"] = $xpath->query("dfrn:env/text()", $entry)->item(0)->nodeValue;
2493 $item["body"] = str_replace(array(' ',"\t","\r","\n"), array('','','',''), $item["body"]);
2494 // make sure nobody is trying to sneak some html tags by us
2495 $item["body"] = notags(base64url_decode($item["body"]));
2497 $item["body"] = limit_body_size($item["body"]);
2499 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
2500 if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) {
2501 $base_url = get_app()->get_baseurl();
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, $importer["uid"]);
2915 Term::createFromItemURI($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, $importer["uid"]);
2928 Term::createFromItemURI($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 string $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()")->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()")->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);