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\Model\GlobalContact;
16 use Friendica\Database\DBM;
17 use Friendica\Util\XML;
24 require_once "include/Contact.php";
25 require_once "include/enotify.php";
26 require_once "include/threads.php";
27 require_once "include/socgraph.php";
28 require_once "include/items.php";
29 require_once "include/tags.php";
30 require_once "include/files.php";
31 require_once "include/event.php";
32 require_once "include/text.php";
33 require_once "include/oembed.php";
34 require_once "include/html2bbcode.php";
35 require_once "include/bbcode.php";
38 * @brief This class contain functions to create and send DFRN XML files
43 const DFRN_TOP_LEVEL = 0; // Top level posting
44 const DFRN_REPLY = 1; // Regular reply that is stored locally
45 const DFRN_REPLY_RC = 2; // Reply that will be relayed
48 * @brief Generates the atom entries for delivery.php
50 * This function is used whenever content is transmitted via DFRN.
52 * @param array $items Item elements
53 * @param array $owner Owner record
55 * @return string DFRN entries
56 * @todo Add type-hints
58 public static function entries($items, $owner)
60 $doc = new DOMDocument('1.0', 'utf-8');
61 $doc->formatOutput = true;
63 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
65 if (! count($items)) {
66 return trim($doc->saveXML());
69 foreach ($items as $item) {
70 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
71 $root->appendChild($entry);
74 return(trim($doc->saveXML()));
78 * @brief Generate an atom feed for the given user
80 * This function is called when another server is pulling data from the user feed.
82 * @param string $dfrn_id DFRN ID from the requesting party
83 * @param string $owner_nick Owner nick name
84 * @param string $last_update Date of the last update
85 * @param int $direction Can be -1, 0 or 1.
86 * @param boolean $onlyheader Output only the header without content? (Default is "no")
88 * @return string DFRN feed entries
90 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false)
94 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
95 $public_feed = (($dfrn_id) ? false : true);
96 $starred = false; // not yet implemented, possible security issues
99 if ($public_feed && $a->argc > 2) {
100 for ($x = 2; $x < $a->argc; $x++) {
101 if ($a->argv[$x] == 'converse') {
104 if ($a->argv[$x] == 'starred') {
107 if ($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) {
108 $category = $a->argv[$x+1];
115 // default permissions - anonymous user
117 $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
120 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
121 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
122 WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
126 if (! DBM::is_result($r)) {
131 $owner_id = $owner['uid'];
132 $owner_nick = $owner['nickname'];
134 $sql_post_table = "";
136 if (! $public_feed) {
138 switch ($direction) {
140 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
144 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
145 $my_id = '1:' . $dfrn_id;
148 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
149 $my_id = '0:' . $dfrn_id;
157 "SELECT * FROM `contact` WHERE NOT `blocked` AND `contact`.`uid` = %d $sql_extra LIMIT 1",
161 if (! DBM::is_result($r)) {
166 include_once 'include/security.php';
167 $groups = init_groups_visitor($contact['id']);
169 if (count($groups)) {
170 for ($x = 0; $x < count($groups); $x ++)
171 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
172 $gs = implode('|', $groups);
174 $gs = '<<>>' ; // Impossible to match
177 $sql_extra = sprintf(
179 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
180 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
181 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
182 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
184 intval($contact['id']),
185 intval($contact['id']),
197 if (! strlen($last_update)) {
198 $last_update = 'now -30 days';
201 if (isset($category)) {
202 $sql_post_table = sprintf(
203 "INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
204 dbesc(protect_sprintf($category)),
205 intval(TERM_OBJ_POST),
206 intval(TERM_CATEGORY),
209 //$sql_extra .= file_tag_file_query('item',$category,'category');
214 $sql_extra .= " AND `contact`.`self` = 1 ";
218 $check_date = datetime_convert('UTC', 'UTC', $last_update, 'Y-m-d H:i:s');
221 "SELECT `item`.*, `item`.`id` AS `item_id`,
222 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
223 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
224 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
225 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
226 FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table
227 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
228 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
229 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
230 WHERE `item`.`uid` = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
231 AND `item`.`wall` AND `item`.`changed` > '%s'
233 ORDER BY `item`.`parent` ".$sort.", `item`.`created` ASC LIMIT 0, 300",
240 * Will check further below if this actually returned results.
241 * We will provide an empty feed if that is the case.
246 $doc = new DOMDocument('1.0', 'utf-8');
247 $doc->formatOutput = true;
249 $alternatelink = $owner['url'];
251 if (isset($category)) {
252 $alternatelink .= "/category/".$category;
256 $author = "dfrn:owner";
261 $root = self::add_header($doc, $owner, $author, $alternatelink, true);
263 /// @TODO This hook can't work anymore
264 // call_hooks('atom_feed', $atom);
266 if (!DBM::is_result($items) || $onlyheader) {
267 $atom = trim($doc->saveXML());
269 call_hooks('atom_feed_end', $atom);
274 foreach ($items as $item) {
275 // prevent private email from leaking.
276 if ($item['network'] == NETWORK_MAIL) {
280 // public feeds get html, our own nodes use bbcode
284 // catch any email that's in a public conversation and make sure it doesn't leak
285 if ($item['private']) {
292 $entry = self::entry($doc, $type, $item, $owner, true);
293 $root->appendChild($entry);
296 $atom = trim($doc->saveXML());
298 call_hooks('atom_feed_end', $atom);
304 * @brief Generate an atom entry for a given item id
306 * @param int $item_id The item id
307 * @param boolean $conversation Show the conversation. If false show the single post.
309 * @return string DFRN feed entry
311 public static function itemFeed($item_id, $conversation = false)
314 $condition = '`item`.`parent`';
316 $condition = '`item`.`id`';
320 "SELECT `item`.*, `item`.`id` AS `item_id`,
321 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
322 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
323 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
324 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
326 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
327 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
328 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
329 WHERE %s = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
330 AND NOT `item`.`private`",
335 if (!DBM::is_result($r)) {
343 "SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
344 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
345 WHERE `contact`.`self` AND `user`.`uid` = %d LIMIT 1",
349 if (!DBM::is_result($r)) {
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::add_header($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 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
403 $mail = $doc->createElement("dfrn:mail");
404 $sender = $doc->createElement("dfrn:sender");
406 XML::add_element($doc, $sender, "dfrn:name", $owner['name']);
407 XML::add_element($doc, $sender, "dfrn:uri", $owner['url']);
408 XML::add_element($doc, $sender, "dfrn:avatar", $owner['thumb']);
410 $mail->appendChild($sender);
412 XML::add_element($doc, $mail, "dfrn:id", $item['uri']);
413 XML::add_element($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
414 XML::add_element($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME));
415 XML::add_element($doc, $mail, "dfrn:subject", $item['title']);
416 XML::add_element($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 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
439 $suggest = $doc->createElement("dfrn:suggest");
441 XML::add_element($doc, $suggest, "dfrn:url", $item['url']);
442 XML::add_element($doc, $suggest, "dfrn:name", $item['name']);
443 XML::add_element($doc, $suggest, "dfrn:photo", $item['photo']);
444 XML::add_element($doc, $suggest, "dfrn:request", $item['request']);
445 XML::add_element($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 = new_keypair(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 $ext = Photo::supportedTypes();
480 foreach ($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 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
491 $relocate = $doc->createElement("dfrn:relocate");
493 XML::add_element($doc, $relocate, "dfrn:url", $owner['url']);
494 XML::add_element($doc, $relocate, "dfrn:name", $owner['name']);
495 XML::add_element($doc, $relocate, "dfrn:addr", $owner['addr']);
496 XML::add_element($doc, $relocate, "dfrn:avatar", $owner['avatar']);
497 XML::add_element($doc, $relocate, "dfrn:photo", $photos[4]);
498 XML::add_element($doc, $relocate, "dfrn:thumb", $photos[5]);
499 XML::add_element($doc, $relocate, "dfrn:micro", $photos[6]);
500 XML::add_element($doc, $relocate, "dfrn:request", $owner['request']);
501 XML::add_element($doc, $relocate, "dfrn:confirm", $owner['confirm']);
502 XML::add_element($doc, $relocate, "dfrn:notify", $owner['notify']);
503 XML::add_element($doc, $relocate, "dfrn:poll", $owner['poll']);
504 XML::add_element($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 $public Is it a header for public posts?
520 * @return object XML root object
521 * @todo Add type-hints
523 private static function add_header($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 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
543 XML::add_element($doc, $root, "id", System::baseUrl()."/profile/".$owner["nick"]);
544 XML::add_element($doc, $root, "title", $owner["name"]);
546 $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
547 XML::add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
549 $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/");
550 XML::add_element($doc, $root, "link", "", $attributes);
552 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink);
553 XML::add_element($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::add_element($doc, $root, "link", "", $attributes);
563 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
564 XML::add_element($doc, $root, "link", "", $attributes);
566 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
567 XML::add_element($doc, $root, "link", "", $attributes);
570 // For backward compatibility we keep this element
571 if ($owner['page-flags'] == PAGE_COMMUNITY) {
572 XML::add_element($doc, $root, "dfrn:community", 1);
575 // The former element is replaced by this one
576 XML::add_element($doc, $root, "dfrn:account_type", $owner["account-type"]);
578 /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP"
580 XML::add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
582 $author = self::add_author($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 $authorelement Element name for the author
595 * @return object XML author object
596 * @todo Add type-hints
598 private static function add_author($doc, $owner, $authorelement, $public)
600 // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
602 "SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
603 WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d",
604 intval($owner['uid'])
606 if (DBM::is_result($r)) {
612 $author = $doc->createElement($authorelement);
614 $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00', ATOM_TIME);
615 $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
616 $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
618 $attributes = array();
620 if (!$public || !$hidewall) {
621 $attributes = array("dfrn:updated" => $namdate);
624 XML::add_element($doc, $author, "name", $owner["name"], $attributes);
625 XML::add_element($doc, $author, "uri", System::baseUrl().'/profile/'.$owner["nickname"], $attributes);
626 XML::add_element($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
628 $attributes = array("rel" => "photo", "type" => "image/jpeg",
629 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
631 if (!$public || !$hidewall) {
632 $attributes["dfrn:updated"] = $picdate;
635 XML::add_element($doc, $author, "link", "", $attributes);
637 $attributes["rel"] = "avatar";
638 XML::add_element($doc, $author, "link", "", $attributes);
641 XML::add_element($doc, $author, "dfrn:hide", "true");
644 // The following fields will only be generated if the data isn't meant for a public feed
649 $birthday = feed_birthday($owner['uid'], $owner['timezone']);
652 XML::add_element($doc, $author, "dfrn:birthday", $birthday);
655 // Only show contact details when we are allowed to
657 "SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`,
658 `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
659 `profile`.`pub_keywords`, `profile`.`xmpp`, `profile`.`dob`
661 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
662 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
663 intval($owner['uid'])
665 if (DBM::is_result($r)) {
668 XML::add_element($doc, $author, "poco:displayName", $profile["name"]);
669 XML::add_element($doc, $author, "poco:updated", $namdate);
671 if (trim($profile["dob"]) > '0001-01-01') {
672 XML::add_element($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
675 XML::add_element($doc, $author, "poco:note", $profile["about"]);
676 XML::add_element($doc, $author, "poco:preferredUsername", $profile["nickname"]);
678 $savetz = date_default_timezone_get();
679 date_default_timezone_set($profile["timezone"]);
680 XML::add_element($doc, $author, "poco:utcOffset", date("P"));
681 date_default_timezone_set($savetz);
683 if (trim($profile["homepage"]) != "") {
684 $urls = $doc->createElement("poco:urls");
685 XML::add_element($doc, $urls, "poco:type", "homepage");
686 XML::add_element($doc, $urls, "poco:value", $profile["homepage"]);
687 XML::add_element($doc, $urls, "poco:primary", "true");
688 $author->appendChild($urls);
691 if (trim($profile["pub_keywords"]) != "") {
692 $keywords = explode(",", $profile["pub_keywords"]);
694 foreach ($keywords as $keyword) {
695 XML::add_element($doc, $author, "poco:tags", trim($keyword));
699 if (trim($profile["xmpp"]) != "") {
700 $ims = $doc->createElement("poco:ims");
701 XML::add_element($doc, $ims, "poco:type", "xmpp");
702 XML::add_element($doc, $ims, "poco:value", $profile["xmpp"]);
703 XML::add_element($doc, $ims, "poco:primary", "true");
704 $author->appendChild($ims);
707 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
708 $element = $doc->createElement("poco:address");
710 XML::add_element($doc, $element, "poco:formatted", formatted_location($profile));
712 if (trim($profile["locality"]) != "") {
713 XML::add_element($doc, $element, "poco:locality", $profile["locality"]);
716 if (trim($profile["region"]) != "") {
717 XML::add_element($doc, $element, "poco:region", $profile["region"]);
720 if (trim($profile["country-name"]) != "") {
721 XML::add_element($doc, $element, "poco:country", $profile["country-name"]);
724 $author->appendChild($element);
732 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
734 * @param object $doc XML document
735 * @param string $element Element name for the author
736 * @param string $contact_url Link of the contact
737 * @param array $item Item elements
739 * @return object XML author object
740 * @todo Add type-hints
742 private static function add_entry_author($doc, $element, $contact_url, $item)
745 $contact = get_contact_details_by_url($contact_url, $item["uid"]);
747 $author = $doc->createElement($element);
748 XML::add_element($doc, $author, "name", $contact["name"]);
749 XML::add_element($doc, $author, "uri", $contact["url"]);
750 XML::add_element($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" => $contact["photo"]);
761 XML::add_element($doc, $author, "link", "", $attributes);
765 "type" => "image/jpeg",
767 "media:height" => 80,
768 "href" => $contact["photo"]);
769 XML::add_element($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 $activity activity value
781 * @return object XML activity object
782 * @todo Add type-hints
784 private static function create_activity($doc, $element, $activity)
787 $entry = $doc->createElement($element);
789 $r = parse_xml_string($activity, false);
794 XML::add_element($doc, $entry, "activity:object-type", $r->type);
797 XML::add_element($doc, $entry, "id", $r->id);
800 XML::add_element($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] = $value;
819 XML::add_element($doc, $entry, "link", "", $attributes);
823 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link);
824 XML::add_element($doc, $entry, "link", "", $attributes);
828 XML::add_element($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 $item Item element
844 * @return object XML attachment object
845 * @todo Add type-hints
847 private static function get_attachment($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::add_element($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', $item['edited'] . '+00:00', ATOM_TIME));
897 return XML::create_element($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 $author = self::add_entry_author($doc, "author", $item["author-link"], $item);
937 $entry->appendChild($author);
939 $dfrnowner = self::add_entry_author($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" => $parent[0]['guid']);
948 XML::add_element($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" => $conversation_uri);
971 XML::add_element($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
973 XML::add_element($doc, $entry, "id", $item["uri"]);
974 XML::add_element($doc, $entry, "title", $item["title"]);
976 XML::add_element($doc, $entry, "published", datetime_convert("UTC", "UTC", $item["created"] . "+00:00", ATOM_TIME));
977 XML::add_element($doc, $entry, "updated", datetime_convert("UTC", "UTC", $item["edited"] . "+00:00", ATOM_TIME));
979 // "dfrn:env" is used to read the content
980 XML::add_element($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::add_element($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/" . $item["guid"])
996 // "comment-allow" is some old fashioned stuff for old Friendica versions.
997 // It is included in the rewritten code for completeness
999 XML::add_element($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
1002 if ($item['location']) {
1003 XML::add_element($doc, $entry, "dfrn:location", $item['location']);
1006 if ($item['coord']) {
1007 XML::add_element($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::add_element($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
1014 if ($item['extid']) {
1015 XML::add_element($doc, $entry, "dfrn:extid", $item['extid']);
1018 if ($item['bookmark']) {
1019 XML::add_element($doc, $entry, "dfrn:bookmark", "true");
1023 XML::add_element($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
1026 XML::add_element($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' => $item['signer'])));
1032 XML::add_element($doc, $entry, "dfrn:diaspora_signature", $sign);
1035 XML::add_element($doc, $entry, "activity:verb", construct_verb($item));
1037 if ($item['object-type'] != "") {
1038 XML::add_element($doc, $entry, "activity:object-type", $item['object-type']);
1039 } elseif ($item['id'] == $item['parent']) {
1040 XML::add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
1042 XML::add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
1045 $actobj = self::create_activity($doc, "activity:object", $item['object']);
1047 $entry->appendChild($actobj);
1050 $actarg = self::create_activity($doc, "activity:target", $item['target']);
1052 $entry->appendChild($actarg);
1055 $tags = item_getfeedtags($item);
1058 foreach ($tags as $t) {
1059 if (($type != 'html') || ($t[0] != "@")) {
1060 XML::add_element($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"] || $r[0]["prv"])) {
1086 array("rel" => "mentioned",
1087 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
1096 array("rel" => "mentioned",
1097 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
1103 self::get_attachment($doc, $entry, $item);
1109 * @brief encrypts data via AES
1111 * @param string $data The data that is to be encrypted
1112 * @param string $key The AES key
1114 * @return string encrypted data
1116 private static function aes_encrypt($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 $key The AES key
1127 * @return string decrypted data
1129 public static function aes_decrypt($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 $data = self::aes_encrypt($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: $url back from the dead - removing mark for death");
1375 include_once 'include/Contact.php';
1376 unmark_for_death($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
1397 * @todo Add array type-hint for $contact
1399 private static function birthday_event($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 $onlyfetch Should the data only be fetched or should it update the contact record as well
1443 * @return Returns an array with relevant data of the author
1444 * @todo Find good type-hints for all parameter
1446 private static function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "")
1449 $author["name"] = $xpath->evaluate($element."/atom:name/text()", $context)->item(0)->nodeValue;
1450 $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue;
1453 "SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`,
1454 `name`, `nick`, `about`, `location`, `keywords`, `xmpp`, `bdyear`, `bd`, `hidden`, `contact-type`
1455 FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
1456 intval($importer["uid"]),
1457 dbesc(normalise_link($author["link"])),
1458 dbesc(NETWORK_STATUSNET)
1461 if (DBM::is_result($r)) {
1463 $author["contact-id"] = $r[0]["id"];
1464 $author["network"] = $r[0]["network"];
1467 logger("Contact ".$author["link"]." wasn't found for user ".$importer["uid"]." XML: ".$xml, LOGGER_DEBUG);
1470 $author["contact-id"] = $importer["id"];
1471 $author["network"] = $importer["network"];
1475 // Until now we aren't serving different sizes - but maybe later
1476 $avatarlist = array();
1477 /// @todo check if "avatar" or "photo" would be the best field in the specification
1478 $avatars = $xpath->query($element."/atom:link[@rel='avatar']", $context);
1479 foreach ($avatars AS $avatar) {
1482 foreach ($avatar->attributes AS $attributes) {
1483 /// @TODO Rewrite these similar if () to one switch
1484 if ($attributes->name == "href") {
1485 $href = $attributes->textContent;
1487 if ($attributes->name == "width") {
1488 $width = $attributes->textContent;
1490 if ($attributes->name == "updated") {
1491 $contact["avatar-date"] = $attributes->textContent;
1494 if (($width > 0) && ($href != "")) {
1495 $avatarlist[$width] = $href;
1498 if (count($avatarlist) > 0) {
1499 krsort($avatarlist);
1500 $author["avatar"] = current($avatarlist);
1503 if (DBM::is_result($r) && !$onlyfetch) {
1504 logger("Check if contact details for contact " . $r[0]["id"] . " (" . $r[0]["nick"] . ") have to be updated.", LOGGER_DEBUG);
1506 $poco = array("url" => $contact["url"]);
1508 // When was the last change to name or uri?
1509 $name_element = $xpath->query($element . "/atom:name", $context)->item(0);
1510 foreach ($name_element->attributes AS $attributes) {
1511 if ($attributes->name == "updated") {
1512 $poco["name-date"] = $attributes->textContent;
1516 $link_element = $xpath->query($element . "/atom:link", $context)->item(0);
1517 foreach ($link_element->attributes AS $attributes) {
1518 if ($attributes->name == "updated") {
1519 $poco["uri-date"] = $attributes->textContent;
1523 // Update contact data
1524 $value = $xpath->evaluate($element . "/dfrn:handle/text()", $context)->item(0)->nodeValue;
1526 $poco["addr"] = $value;
1529 $value = $xpath->evaluate($element . "/poco:displayName/text()", $context)->item(0)->nodeValue;
1531 $poco["name"] = $value;
1534 $value = $xpath->evaluate($element . "/poco:preferredUsername/text()", $context)->item(0)->nodeValue;
1536 $poco["nick"] = $value;
1539 $value = $xpath->evaluate($element . "/poco:note/text()", $context)->item(0)->nodeValue;
1541 $poco["about"] = $value;
1544 $value = $xpath->evaluate($element . "/poco:address/poco:formatted/text()", $context)->item(0)->nodeValue;
1546 $poco["location"] = $value;
1549 /// @todo Only search for elements with "poco:type" = "xmpp"
1550 $value = $xpath->evaluate($element . "/poco:ims/poco:value/text()", $context)->item(0)->nodeValue;
1552 $poco["xmpp"] = $value;
1555 /// @todo Add support for the following fields that we don't support by now in the contact table:
1556 /// - poco:utcOffset
1562 // If the "hide" element is present then the profile isn't searchable.
1563 $hide = intval($xpath->evaluate($element . "/dfrn:hide/text()", $context)->item(0)->nodeValue == "true");
1565 logger("Hidden status for contact " . $contact["url"] . ": " . $hide, LOGGER_DEBUG);
1567 // If the contact isn't searchable then set the contact to "hidden".
1568 // Problem: This can be manually overridden by the user.
1570 $contact["hidden"] = true;
1573 // Save the keywords into the contact table
1575 $tagelements = $xpath->evaluate($element . "/poco:tags/text()", $context);
1576 foreach ($tagelements AS $tag) {
1577 $tags[$tag->nodeValue] = $tag->nodeValue;
1581 $poco["keywords"] = implode(", ", $tags);
1584 // "dfrn:birthday" contains the birthday converted to UTC
1585 $old_bdyear = $contact["bdyear"];
1587 $birthday = $xpath->evaluate($element . "/dfrn:birthday/text()", $context)->item(0)->nodeValue;
1589 if (strtotime($birthday) > time()) {
1590 $bd_timestamp = strtotime($birthday);
1592 $poco["bdyear"] = date("Y", $bd_timestamp);
1595 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1596 $value = $xpath->evaluate($element . "/poco:birthday/text()", $context)->item(0)->nodeValue;
1598 if (!in_array($value, array("", "0000-00-00", "0001-01-01"))) {
1599 $bdyear = date("Y");
1600 $value = str_replace("0000", $bdyear, $value);
1602 if (strtotime($value) < time()) {
1603 $value = str_replace($bdyear, $bdyear + 1, $value);
1604 $bdyear = $bdyear + 1;
1607 $poco["bd"] = $value;
1610 $contact = array_merge($contact, $poco);
1612 if ($old_bdyear != $contact["bdyear"]) {
1613 self::birthday_event($contact, $birthday);
1616 // Get all field names
1618 foreach ($r[0] AS $field => $data) {
1619 $fields[$field] = $data;
1622 unset($fields["id"]);
1623 unset($fields["uid"]);
1624 unset($fields["url"]);
1625 unset($fields["avatar-date"]);
1626 unset($fields["name-date"]);
1627 unset($fields["uri-date"]);
1629 // Update check for this field has to be done differently
1630 $datefields = array("name-date", "uri-date");
1631 foreach ($datefields AS $field) {
1632 if (strtotime($contact[$field]) > strtotime($r[0][$field])) {
1633 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1638 foreach ($fields AS $field => $data) {
1639 if ($contact[$field] != $r[0][$field]) {
1640 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1646 logger("Update contact data for contact " . $contact["id"] . " (" . $contact["nick"] . ")", LOGGER_DEBUG);
1649 "UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s',
1650 `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s', `hidden` = %d,
1651 `xmpp` = '%s', `name-date` = '%s', `uri-date` = '%s'
1652 WHERE `id` = %d AND `network` = '%s'",
1653 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
1654 dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]),
1655 dbesc($contact["bd"]), intval($contact["hidden"]), dbesc($contact["xmpp"]),
1656 dbesc(DBM::date($contact["name-date"])), dbesc(DBM::date($contact["uri-date"])),
1657 intval($contact["id"]), dbesc($contact["network"])
1661 update_contact_avatar(
1665 (strtotime($contact["avatar-date"]) > strtotime($r[0]["avatar-date"]))
1669 * The generation is a sign for the reliability of the provided data.
1670 * It is used in the socgraph.php to prevent that old contact data
1671 * that was relayed over several servers can overwrite contact
1672 * data that we received directly.
1675 $poco["generation"] = 2;
1676 $poco["photo"] = $author["avatar"];
1677 $poco["hide"] = $hide;
1678 $poco["contact-type"] = $contact["contact-type"];
1679 $gcid = GlobalContact::update($poco);
1681 GlobalContact::link($gcid, $importer["uid"], $contact["id"]);
1688 * @brief Transforms activity objects into an XML string
1690 * @param object $xpath XPath object
1691 * @param object $activity Activity object
1692 * @param text $element element name
1694 * @return string XML string
1695 * @todo Find good type-hints for all parameter
1697 private static function transform_activity($xpath, $activity, $element)
1699 if (!is_object($activity)) {
1703 $obj_doc = new DOMDocument("1.0", "utf-8");
1704 $obj_doc->formatOutput = true;
1706 $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element);
1708 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1709 XML::add_element($obj_doc, $obj_element, "type", $activity_type);
1711 $id = $xpath->query("atom:id", $activity)->item(0);
1712 if (is_object($id)) {
1713 $obj_element->appendChild($obj_doc->importNode($id, true));
1716 $title = $xpath->query("atom:title", $activity)->item(0);
1717 if (is_object($title)) {
1718 $obj_element->appendChild($obj_doc->importNode($title, true));
1721 $links = $xpath->query("atom:link", $activity);
1722 if (is_object($links)) {
1723 foreach ($links as $link) {
1724 $obj_element->appendChild($obj_doc->importNode($link, true));
1728 $content = $xpath->query("atom:content", $activity)->item(0);
1729 if (is_object($content)) {
1730 $obj_element->appendChild($obj_doc->importNode($content, true));
1733 $obj_doc->appendChild($obj_element);
1735 $objxml = $obj_doc->saveXML($obj_element);
1737 /// @todo This isn't totally clean. We should find a way to transform the namespaces
1738 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1743 * @brief Processes the mail elements
1745 * @param object $xpath XPath object
1746 * @param object $mail mail elements
1747 * @param array $importer Record of the importer user mixed with contact of the content
1748 * @todo Find good type-hints for all parameter
1750 private static function process_mail($xpath, $mail, $importer)
1752 logger("Processing mails");
1754 /// @TODO Rewrite this to one statement
1756 $msg["uid"] = $importer["importer_uid"];
1757 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1758 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1759 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1760 $msg["contact-id"] = $importer["id"];
1761 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1762 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1763 $msg["created"] = $xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue;
1764 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1765 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1767 $msg["replied"] = 0;
1769 dba::insert('mail', $msg);
1771 // send notifications.
1772 /// @TODO Arange this mess
1773 $notif_params = array(
1774 "type" => NOTIFY_MAIL,
1775 "notify_flags" => $importer["notify-flags"],
1776 "language" => $importer["language"],
1777 "to_name" => $importer["username"],
1778 "to_email" => $importer["email"],
1779 "uid" => $importer["importer_uid"],
1781 "source_name" => $msg["from-name"],
1782 "source_link" => $importer["url"],
1783 "source_photo" => $importer["thumb"],
1784 "verb" => ACTIVITY_POST,
1788 notification($notif_params);
1790 logger("Mail is processed, notification was sent.");
1794 * @brief Processes the suggestion elements
1796 * @param object $xpath XPath object
1797 * @param object $suggestion suggestion elements
1798 * @param array $importer Record of the importer user mixed with contact of the content
1799 * @todo Find good type-hints for all parameter
1801 private static function process_suggestion($xpath, $suggestion, $importer)
1805 logger("Processing suggestions");
1807 /// @TODO Rewrite this to one statement
1809 $suggest["uid"] = $importer["importer_uid"];
1810 $suggest["cid"] = $importer["id"];
1811 $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue;
1812 $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue;
1813 $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue;
1814 $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue;
1815 $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue;
1817 // Does our member already have a friend matching this description?
1820 "SELECT `id` FROM `contact` WHERE `name` = '%s' AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
1821 dbesc($suggest["name"]),
1822 dbesc(normalise_link($suggest["url"])),
1823 intval($suggest["uid"])
1827 * The valid result means the friend we're about to send a friend
1828 * suggestion already has them in their contact, which means no further
1829 * action is required.
1831 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1833 if (DBM::is_result($r)) {
1837 // Do we already have an fcontact record for this person?
1841 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1842 dbesc($suggest["url"]),
1843 dbesc($suggest["name"]),
1844 dbesc($suggest["request"])
1846 if (DBM::is_result($r)) {
1849 // OK, we do. Do we already have an introduction for this person ?
1851 "SELECT `id` FROM `intro` WHERE `uid` = %d AND `fid` = %d LIMIT 1",
1852 intval($suggest["uid"]),
1857 * The valid result means the friend we're about to send a friend
1858 * suggestion already has them in their contact, which means no further
1859 * action is required.
1861 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1863 if (DBM::is_result($r)) {
1869 "INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')",
1870 dbesc($suggest["name"]),
1871 dbesc($suggest["url"]),
1872 dbesc($suggest["photo"]),
1873 dbesc($suggest["request"])
1877 "SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1878 dbesc($suggest["url"]),
1879 dbesc($suggest["name"]),
1880 dbesc($suggest["request"])
1884 * If no record in fcontact is found, below INSERT statement will not
1885 * link an introduction to it.
1887 if (!DBM::is_result($r)) {
1888 // database record did not get created. Quietly give up.
1894 $hash = random_string();
1897 "INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`)
1898 VALUES(%d, %d, %d, '%s', '%s', '%s', %d)",
1899 intval($suggest["uid"]),
1901 intval($suggest["cid"]),
1902 dbesc($suggest["body"]),
1904 dbesc(datetime_convert()),
1909 "type" => NOTIFY_SUGGEST,
1910 "notify_flags" => $importer["notify-flags"],
1911 "language" => $importer["language"],
1912 "to_name" => $importer["username"],
1913 "to_email" => $importer["email"],
1914 "uid" => $importer["importer_uid"],
1916 "link" => System::baseUrl()."/notifications/intros",
1917 "source_name" => $importer["name"],
1918 "source_link" => $importer["url"],
1919 "source_photo" => $importer["photo"],
1920 "verb" => ACTIVITY_REQ_FRIEND,
1928 * @brief Processes the relocation elements
1930 * @param object $xpath XPath object
1931 * @param object $relocation relocation elements
1932 * @param array $importer Record of the importer user mixed with contact of the content
1933 * @todo Find good type-hints for all parameter
1935 private static function process_relocation($xpath, $relocation, $importer)
1937 logger("Processing relocations");
1939 /// @TODO Rewrite this to one statement
1940 $relocate = array();
1941 $relocate["uid"] = $importer["importer_uid"];
1942 $relocate["cid"] = $importer["id"];
1943 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1944 $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue;
1945 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1946 $relocate["avatar"] = $xpath->query("dfrn:avatar/text()", $relocation)->item(0)->nodeValue;
1947 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1948 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1949 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1950 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1951 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1952 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1953 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1954 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1956 if (($relocate["avatar"] == "") && ($relocate["photo"] != "")) {
1957 $relocate["avatar"] = $relocate["photo"];
1960 if ($relocate["addr"] == "") {
1961 $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]);
1966 "SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;",
1967 intval($importer["id"]),
1968 intval($importer["importer_uid"])
1971 if (!DBM::is_result($r)) {
1972 logger("Query failed to execute, no result returned in " . __FUNCTION__);
1978 // Update the gcontact entry
1979 $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]);
1982 "UPDATE `gcontact` SET
1991 WHERE `nurl` = '%s';",
1992 dbesc($relocate["name"]),
1993 dbesc($relocate["avatar"]),
1994 dbesc($relocate["url"]),
1995 dbesc(normalise_link($relocate["url"])),
1996 dbesc($relocate["addr"]),
1997 dbesc($relocate["addr"]),
1998 dbesc($relocate["notify"]),
1999 dbesc($relocate["server_url"]),
2000 dbesc(normalise_link($old["url"]))
2003 // Update the contact table. We try to find every entry.
2005 "UPDATE `contact` SET
2015 `site-pubkey` = '%s'
2016 WHERE (`id` = %d AND `uid` = %d) OR (`nurl` = '%s');",
2017 dbesc($relocate["name"]),
2018 dbesc($relocate["avatar"]),
2019 dbesc($relocate["url"]),
2020 dbesc(normalise_link($relocate["url"])),
2021 dbesc($relocate["addr"]),
2022 dbesc($relocate["request"]),
2023 dbesc($relocate["confirm"]),
2024 dbesc($relocate["notify"]),
2025 dbesc($relocate["poll"]),
2026 dbesc($relocate["sitepubkey"]),
2027 intval($importer["id"]),
2028 intval($importer["importer_uid"]),
2029 dbesc(normalise_link($old["url"]))
2032 update_contact_avatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true);
2039 /// @todo This is an extreme performance killer
2041 'owner-link' => array($old["url"], $relocate["url"]),
2042 'author-link' => array($old["url"], $relocate["url"]),
2043 //'owner-avatar' => array($old["photo"], $relocate["photo"]),
2044 //'author-avatar' => array($old["photo"], $relocate["photo"]),
2046 foreach ($fields as $n => $f) {
2048 "SELECT `id` FROM `item` WHERE `%s` = '%s' AND `uid` = %d LIMIT 1",
2051 intval($importer["importer_uid"])
2054 if (DBM::is_result($r)) {
2056 "UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
2061 intval($importer["importer_uid"])
2071 /// merge with current record, current contents have priority
2072 /// update record, set url-updated
2073 /// update profile photos
2074 /// schedule a scan?
2079 * @brief Updates an item
2081 * @param array $current the current item record
2082 * @param array $item the new item record
2083 * @param array $importer Record of the importer user mixed with contact of the content
2084 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2085 * @todo set proper type-hints (array?)
2087 private static function update_content($current, $item, $importer, $entrytype)
2091 if (edited_timestamp_is_newer($current, $item)) {
2092 // do not accept (ignore) an earlier edit than one we currently have.
2093 if (datetime_convert("UTC", "UTC", $item["edited"]) < $current["edited"]) {
2097 $fields = array('title' => $item["title"], 'body' => $item["body"],
2098 'tag' => $item["tag"], 'changed' => datetime_convert(),
2099 'edited' => datetime_convert("UTC", "UTC", $item["edited"]));
2101 $condition = array("`uri` = ? AND `uid` IN (0, ?)", $item["uri"], $importer["importer_uid"]);
2102 dba::update('item', $fields, $condition);
2104 create_tags_from_itemuri($item["uri"], $importer["importer_uid"]);
2105 update_thread_uri($item["uri"], $importer["importer_uid"]);
2109 if ($entrytype == DFRN_REPLY_RC) {
2110 Worker::add(PRIORITY_HIGH, "notifier", "comment-import", $current["id"]);
2114 // update last-child if it changes
2115 if ($item["last-child"] && ($item["last-child"] != $current["last-child"])) {
2117 "UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2118 dbesc(datetime_convert()),
2119 dbesc($item["parent-uri"]),
2120 intval($importer["importer_uid"])
2123 "UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2124 intval($item["last-child"]),
2125 dbesc(datetime_convert()),
2126 dbesc($item["uri"]),
2127 intval($importer["importer_uid"])
2134 * @brief Detects the entry type of the item
2136 * @param array $importer Record of the importer user mixed with contact of the content
2137 * @param array $item the new item record
2139 * @return int Is it a toplevel entry, a comment or a relayed comment?
2140 * @todo set proper type-hints (array?)
2142 private static function get_entry_type($importer, $item)
2144 if ($item["parent-uri"] != $item["uri"]) {
2147 if ($importer["page-flags"] == PAGE_COMMUNITY || $importer["page-flags"] == PAGE_PRVGROUP) {
2150 logger("possible community action");
2152 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
2155 // was the top-level post for this action written by somebody on this site?
2156 // Specifically, the recipient?
2158 $is_a_remote_action = false;
2161 "SELECT `item`.`parent-uri` FROM `item`
2162 WHERE `item`.`uri` = '%s'
2164 dbesc($item["parent-uri"])
2166 if (DBM::is_result($r)) {
2168 "SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
2169 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
2170 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
2171 AND `item`.`uid` = %d
2174 dbesc($r[0]["parent-uri"]),
2175 dbesc($r[0]["parent-uri"]),
2176 dbesc($r[0]["parent-uri"]),
2177 intval($importer["importer_uid"])
2179 if (DBM::is_result($r)) {
2180 $is_a_remote_action = true;
2185 * Does this have the characteristics of a community or private group action?
2186 * If it's an action to a wall post on a community/prvgroup page it's a
2187 * valid community action. Also forum_mode makes it valid for sure.
2188 * If neither, it's not.
2191 /// @TODO Maybe merge these if() blocks into one?
2192 if ($is_a_remote_action && $community && (!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
2193 $is_a_remote_action = false;
2194 logger("not a community action");
2197 if ($is_a_remote_action) {
2198 return DFRN_REPLY_RC;
2203 return DFRN_TOP_LEVEL;
2208 * @brief Send a "poke"
2210 * @param array $item the new item record
2211 * @param array $importer Record of the importer user mixed with contact of the content
2212 * @param int $posted_id The record number of item record that was just posted
2213 * @todo set proper type-hints (array?)
2215 private static function do_poke($item, $importer, $posted_id)
2217 $verb = urldecode(substr($item["verb"], strpos($item["verb"], "#")+1));
2221 $xo = parse_xml_string($item["object"], false);
2223 if (($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) {
2224 // somebody was poked/prodded. Was it me?
2225 foreach ($xo->link as $l) {
2226 $atts = $l->attributes();
2227 switch ($atts["rel"]) {
2229 $Blink = $atts["href"];
2236 if ($Blink && link_compare($Blink, System::baseUrl() . "/profile/" . $importer["nickname"])) {
2237 // send a notification
2240 "type" => NOTIFY_POKE,
2241 "notify_flags" => $importer["notify-flags"],
2242 "language" => $importer["language"],
2243 "to_name" => $importer["username"],
2244 "to_email" => $importer["email"],
2245 "uid" => $importer["importer_uid"],
2247 "link" => System::baseUrl()."/display/".urlencode(get_item_guid($posted_id)),
2248 "source_name" => stripslashes($item["author-name"]),
2249 "source_link" => $item["author-link"],
2250 "source_photo" => ((link_compare($item["author-link"],$importer["url"]))
2251 ? $importer["thumb"] : $item["author-avatar"]),
2252 "verb" => $item["verb"],
2253 "otype" => "person",
2254 "activity" => $verb,
2255 "parent" => $item["parent"])
2262 * @brief Processes several actions, depending on the verb
2264 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2265 * @param array $importer Record of the importer user mixed with contact of the content
2266 * @param array $item the new item record
2267 * @param bool $is_like Is the verb a "like"?
2269 * @return bool Should the processing of the entries be continued?
2270 * @todo set proper type-hints (array?)
2272 private static function process_verbs($entrytype, $importer, &$item, &$is_like)
2274 logger("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, LOGGER_DEBUG);
2276 if (($entrytype == DFRN_TOP_LEVEL)) {
2277 // The filling of the the "contact" variable is done for legcy reasons
2278 // The functions below are partly used by ostatus.php as well - where we have this variable
2279 $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"]));
2281 $nickname = $contact["nick"];
2283 // Big question: Do we need these functions? They were part of the "consume_feed" function.
2284 // This function once was responsible for DFRN and OStatus.
2285 if (activity_match($item["verb"], ACTIVITY_FOLLOW)) {
2286 logger("New follower");
2287 new_follower($importer, $contact, $item, $nickname);
2290 if (activity_match($item["verb"], ACTIVITY_UNFOLLOW)) {
2291 logger("Lost follower");
2292 lose_follower($importer, $contact, $item);
2295 if (activity_match($item["verb"], ACTIVITY_REQ_FRIEND)) {
2296 logger("New friend request");
2297 new_follower($importer, $contact, $item, $nickname, true);
2300 if (activity_match($item["verb"], ACTIVITY_UNFRIEND)) {
2301 logger("Lost sharer");
2302 lose_sharer($importer, $contact, $item);
2306 if (($item["verb"] == ACTIVITY_LIKE)
2307 || ($item["verb"] == ACTIVITY_DISLIKE)
2308 || ($item["verb"] == ACTIVITY_ATTEND)
2309 || ($item["verb"] == ACTIVITY_ATTENDNO)
2310 || ($item["verb"] == ACTIVITY_ATTENDMAYBE)
2313 $item["type"] = "activity";
2314 $item["gravity"] = GRAVITY_LIKE;
2315 // only one like or dislike per person
2316 // splitted into two queries for performance issues
2318 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `parent-uri` = '%s' AND NOT `deleted` LIMIT 1",
2319 intval($item["uid"]),
2320 dbesc($item["author-link"]),
2321 dbesc($item["verb"]),
2322 dbesc($item["parent-uri"])
2324 if (DBM::is_result($r)) {
2329 "SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `thr-parent` = '%s' AND NOT `deleted` LIMIT 1",
2330 intval($item["uid"]),
2331 dbesc($item["author-link"]),
2332 dbesc($item["verb"]),
2333 dbesc($item["parent-uri"])
2335 if (DBM::is_result($r)) {
2342 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2344 $xo = parse_xml_string($item["object"], false);
2345 $xt = parse_xml_string($item["target"], false);
2347 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2349 "SELECT `id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2351 intval($importer["importer_uid"])
2354 if (!DBM::is_result($r)) {
2355 logger("Query failed to execute, no result returned in " . __FUNCTION__);
2359 // extract tag, if not duplicate, add to parent item
2361 if (!(stristr($r[0]["tag"],trim($xo->content)))) {
2362 q("UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2363 dbesc($r[0]["tag"] . (strlen($r[0]["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]'),
2366 create_tags_from_item($r[0]["id"]);
2376 * @brief Processes the link elements
2378 * @param object $links link elements
2379 * @param array $item the item record
2380 * @todo set proper type-hints
2382 private static function parse_links($links, &$item)
2389 foreach ($links AS $link) {
2390 foreach ($link->attributes AS $attributes) {
2391 /// @TODO Rewrite these repeated (same) if () statements to a switch()
2392 if ($attributes->name == "href") {
2393 $href = $attributes->textContent;
2395 if ($attributes->name == "rel") {
2396 $rel = $attributes->textContent;
2398 if ($attributes->name == "type") {
2399 $type = $attributes->textContent;
2401 if ($attributes->name == "length") {
2402 $length = $attributes->textContent;
2404 if ($attributes->name == "title") {
2405 $title = $attributes->textContent;
2408 if (($rel != "") && ($href != "")) {
2411 $item["plink"] = $href;
2415 if (strlen($item["attach"])) {
2416 $item["attach"] .= ",";
2419 $item["attach"] .= '[attach]href="' . $href . '" length="' . $length . '" type="' . $type . '" title="' . $title . '"[/attach]';
2427 * @brief Processes the entry elements which contain the items and comments
2429 * @param array $header Array of the header elements that always stay the same
2430 * @param object $xpath XPath object
2431 * @param object $entry entry elements
2432 * @param array $importer Record of the importer user mixed with contact of the content
2433 * @todo Add type-hints
2435 private static function process_entry($header, $xpath, $entry, $importer, $xml)
2437 logger("Processing entries");
2441 $item["protocol"] = PROTOCOL_DFRN;
2443 $item["source"] = $xml;
2446 $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue;
2448 $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue;
2451 "SELECT `id`, `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2452 dbesc($item["uri"]),
2453 intval($importer["importer_uid"])
2456 // Is there an existing item?
2457 if (DBM::is_result($current) && edited_timestamp_is_newer($current[0], $item)
2458 && (datetime_convert("UTC", "UTC", $item["edited"]) < $current[0]["edited"])
2460 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2465 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true);
2467 $item["owner-name"] = $owner["name"];
2468 $item["owner-link"] = $owner["link"];
2469 $item["owner-avatar"] = $owner["avatar"];
2472 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true);
2474 $item["author-name"] = $author["name"];
2475 $item["author-link"] = $author["link"];
2476 $item["author-avatar"] = $author["avatar"];
2478 $item["title"] = $xpath->query("atom:title/text()", $entry)->item(0)->nodeValue;
2480 $item["created"] = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2482 $item["body"] = $xpath->query("dfrn:env/text()", $entry)->item(0)->nodeValue;
2483 $item["body"] = str_replace(array(' ',"\t","\r","\n"), array('','','',''), $item["body"]);
2484 // make sure nobody is trying to sneak some html tags by us
2485 $item["body"] = notags(base64url_decode($item["body"]));
2487 $item["body"] = limit_body_size($item["body"]);
2489 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
2490 if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) {
2491 $item['body'] = reltoabs($item['body'], $base_url);
2493 $item['body'] = html2bb_video($item['body']);
2495 $item['body'] = oembed_html2bbcode($item['body']);
2497 $config = HTMLPurifier_Config::createDefault();
2498 $config->set('Cache.DefinitionImpl', null);
2500 // we shouldn't need a whitelist, because the bbcode converter
2501 // will strip out any unsupported tags.
2503 $purifier = new HTMLPurifier($config);
2504 $item['body'] = $purifier->purify($item['body']);
2506 $item['body'] = @html2bbcode($item['body']);
2509 /// @todo We should check for a repeated post and if we know the repeated author.
2511 // We don't need the content element since "dfrn:env" is always present
2512 //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue;
2514 $item["last-child"] = $xpath->query("dfrn:comment-allow/text()", $entry)->item(0)->nodeValue;
2515 $item["location"] = $xpath->query("dfrn:location/text()", $entry)->item(0)->nodeValue;
2517 $georsspoint = $xpath->query("georss:point", $entry);
2519 $item["coord"] = $georsspoint->item(0)->nodeValue;
2522 $item["private"] = $xpath->query("dfrn:private/text()", $entry)->item(0)->nodeValue;
2524 $item["extid"] = $xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue;
2526 if ($xpath->query("dfrn:bookmark/text()", $entry)->item(0)->nodeValue == "true") {
2527 $item["bookmark"] = true;
2530 $notice_info = $xpath->query("statusnet:notice_info", $entry);
2531 if ($notice_info && ($notice_info->length > 0)) {
2532 foreach ($notice_info->item(0)->attributes AS $attributes) {
2533 if ($attributes->name == "source") {
2534 $item["app"] = strip_tags($attributes->textContent);
2539 $item["guid"] = $xpath->query("dfrn:diaspora_guid/text()", $entry)->item(0)->nodeValue;
2541 // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "item_store"
2542 $dsprsig = unxmlify($xpath->query("dfrn:diaspora_signature/text()", $entry)->item(0)->nodeValue);
2543 if ($dsprsig != "") {
2544 $item["dsprsig"] = $dsprsig;
2547 $item["verb"] = $xpath->query("activity:verb/text()", $entry)->item(0)->nodeValue;
2549 if ($xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue != "") {
2550 $item["object-type"] = $xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue;
2553 $object = $xpath->query("activity:object", $entry)->item(0);
2554 $item["object"] = self::transform_activity($xpath, $object, "object");
2556 if (trim($item["object"]) != "") {
2557 $r = parse_xml_string($item["object"], false);
2558 if (isset($r->type)) {
2559 $item["object-type"] = $r->type;
2563 $target = $xpath->query("activity:target", $entry)->item(0);
2564 $item["target"] = self::transform_activity($xpath, $target, "target");
2566 $categories = $xpath->query("atom:category", $entry);
2568 foreach ($categories AS $category) {
2571 foreach ($category->attributes AS $attributes) {
2572 if ($attributes->name == "term") {
2573 $term = $attributes->textContent;
2576 if ($attributes->name == "scheme") {
2577 $scheme = $attributes->textContent;
2581 if (($term != "") && ($scheme != "")) {
2582 $parts = explode(":", $scheme);
2583 if ((count($parts) >= 4) && (array_shift($parts) == "X-DFRN")) {
2584 $termhash = array_shift($parts);
2585 $termurl = implode(":", $parts);
2587 if (strlen($item["tag"])) {
2588 $item["tag"] .= ",";
2591 $item["tag"] .= $termhash . "[url=" . $termurl . "]" . $term . "[/url]";
2599 $links = $xpath->query("atom:link", $entry);
2601 self::parse_links($links, $item);
2604 $item['conversation-uri'] = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
2606 $conv = $xpath->query('ostatus:conversation', $entry);
2607 if (is_object($conv->item(0))) {
2608 foreach ($conv->item(0)->attributes AS $attributes) {
2609 if ($attributes->name == "ref") {
2610 $item['conversation-uri'] = $attributes->textContent;
2612 if ($attributes->name == "href") {
2613 $item['conversation-href'] = $attributes->textContent;
2618 // Is it a reply or a top level posting?
2619 $item["parent-uri"] = $item["uri"];
2621 $inreplyto = $xpath->query("thr:in-reply-to", $entry);
2622 if (is_object($inreplyto->item(0))) {
2623 foreach ($inreplyto->item(0)->attributes AS $attributes) {
2624 if ($attributes->name == "ref") {
2625 $item["parent-uri"] = $attributes->textContent;
2630 // Get the type of the item (Top level post, reply or remote reply)
2631 $entrytype = self::get_entry_type($importer, $item);
2633 // Now assign the rest of the values that depend on the type of the message
2634 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2635 if (!isset($item["object-type"])) {
2636 $item["object-type"] = ACTIVITY_OBJ_COMMENT;
2639 if ($item["contact-id"] != $owner["contact-id"]) {
2640 $item["contact-id"] = $owner["contact-id"];
2643 if (($item["network"] != $owner["network"]) && ($owner["network"] != "")) {
2644 $item["network"] = $owner["network"];
2647 if ($item["contact-id"] != $author["contact-id"]) {
2648 $item["contact-id"] = $author["contact-id"];
2651 if (($item["network"] != $author["network"]) && ($author["network"] != "")) {
2652 $item["network"] = $author["network"];
2655 /// @TODO maybe remove this old-lost code then?
2656 // This code was taken from the old DFRN code
2657 // When activated, forums don't work.
2658 // And: Why should we disallow commenting by followers?
2659 // the behaviour is now similar to the Diaspora part.
2660 //if ($importer["rel"] == CONTACT_IS_FOLLOWER) {
2661 // logger("Contact ".$importer["id"]." is only follower. Quitting", LOGGER_DEBUG);
2666 if ($entrytype == DFRN_REPLY_RC) {
2667 $item["type"] = "remote-comment";
2669 } elseif ($entrytype == DFRN_TOP_LEVEL) {
2670 if (!isset($item["object-type"])) {
2671 $item["object-type"] = ACTIVITY_OBJ_NOTE;
2675 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2676 logger("Item ".$item["uri"]." seems to contain an event.", LOGGER_DEBUG);
2677 $ev = bbtoevent($item["body"]);
2678 if ((x($ev, "desc") || x($ev, "summary")) && x($ev, "start")) {
2679 logger("Event in item ".$item["uri"]." was found.", LOGGER_DEBUG);
2680 /// @TODO Mixure of "/' ahead ...
2681 $ev["cid"] = $importer["id"];
2682 $ev["uid"] = $importer["uid"];
2683 $ev["uri"] = $item["uri"];
2684 $ev["edited"] = $item["edited"];
2685 $ev['private'] = $item['private'];
2686 $ev["guid"] = $item["guid"];
2689 "SELECT `id` FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2690 dbesc($item["uri"]),
2691 intval($importer["uid"])
2693 if (DBM::is_result($r)) {
2694 $ev["id"] = $r[0]["id"];
2697 $event_id = event_store($ev);
2698 logger("Event ".$event_id." was stored", LOGGER_DEBUG);
2704 if (!self::process_verbs($entrytype, $importer, $item, $is_like)) {
2705 logger("Exiting because 'process_verbs' told us so", LOGGER_DEBUG);
2709 // Update content if 'updated' changes
2710 if (DBM::is_result($current)) {
2711 if (self::update_content($r[0], $item, $importer, $entrytype)) {
2712 logger("Item ".$item["uri"]." was updated.", LOGGER_DEBUG);
2714 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2719 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2720 $posted_id = item_store($item);
2724 logger("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, LOGGER_DEBUG);
2726 $item["id"] = $posted_id;
2729 "SELECT `parent`, `parent-uri` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
2731 intval($importer["importer_uid"])
2733 if (DBM::is_result($r)) {
2734 $parent = $r[0]["parent"];
2735 $parent_uri = $r[0]["parent-uri"];
2740 "UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
2741 dbesc(datetime_convert()),
2742 intval($importer["importer_uid"]),
2743 intval($r[0]["parent"])
2747 "UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d",
2748 dbesc(datetime_convert()),
2749 intval($importer["importer_uid"]),
2754 if ($posted_id && $parent && ($entrytype == DFRN_REPLY_RC)) {
2755 logger("Notifying followers about comment ".$posted_id, LOGGER_DEBUG);
2756 Worker::add(PRIORITY_HIGH, "notifier", "comment-import", $posted_id);
2761 } else { // $entrytype == DFRN_TOP_LEVEL
2762 if (!link_compare($item["owner-link"], $importer["url"])) {
2764 * The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
2765 * but otherwise there's a possible data mixup on the sender's system.
2766 * the tgroup delivery code called from item_store will correct it if it's a forum,
2767 * but we're going to unconditionally correct it here so that the post will always be owned by our contact.
2769 logger('Correcting item owner.', LOGGER_DEBUG);
2770 $item["owner-name"] = $importer["senderName"];
2771 $item["owner-link"] = $importer["url"];
2772 $item["owner-avatar"] = $importer["thumb"];
2775 if (($importer["rel"] == CONTACT_IS_FOLLOWER) && (!tgroup_check($importer["importer_uid"], $item))) {
2776 logger("Contact ".$importer["id"]." is only follower and tgroup check was negative.", LOGGER_DEBUG);
2780 // This is my contact on another system, but it's really me.
2781 // Turn this into a wall post.
2782 $notify = item_is_remote_self($importer, $item);
2784 $posted_id = item_store($item, false, $notify);
2786 logger("Item was stored with id ".$posted_id, LOGGER_DEBUG);
2788 if (stristr($item["verb"],ACTIVITY_POKE))
2789 self::do_poke($item, $importer, $posted_id);
2794 * @brief Deletes items
2796 * @param object $xpath XPath object
2797 * @param object $deletion deletion elements
2798 * @param array $importer Record of the importer user mixed with contact of the content
2799 * @todo set proper type-hints
2801 private static function process_deletion($xpath, $deletion, $importer)
2803 logger("Processing deletions");
2805 foreach ($deletion->attributes AS $attributes) {
2806 if ($attributes->name == "ref") {
2807 $uri = $attributes->textContent;
2809 if ($attributes->name == "when") {
2810 $when = $attributes->textContent;
2814 $when = datetime_convert("UTC", "UTC", $when, "Y-m-d H:i:s");
2816 $when = datetime_convert("UTC", "UTC", "now", "Y-m-d H:i:s");
2819 if (!$uri || !$importer["id"]) {
2823 /// @todo Only select the used fields
2825 "SELECT `item`.*, `contact`.`self` FROM `item` INNER JOIN `contact` on `item`.`contact-id` = `contact`.`id`
2826 WHERE `uri` = '%s' AND `item`.`uid` = %d AND `contact-id` = %d AND NOT `item`.`file` LIKE '%%[%%' LIMIT 1",
2828 intval($importer["uid"]),
2829 intval($importer["id"])
2831 if (!DBM::is_result($r)) {
2832 logger("Item with uri " . $uri . " from contact " . $importer["id"] . " for user " . $importer["uid"] . " wasn't found.", LOGGER_DEBUG);
2837 $entrytype = self::get_entry_type($importer, $item);
2839 if (!$item["deleted"]) {
2840 logger('deleting item '.$item["id"].' uri='.$uri, LOGGER_DEBUG);
2845 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2846 logger("Deleting event ".$item["event-id"], LOGGER_DEBUG);
2847 event_delete($item["event-id"]);
2850 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2852 $xo = parse_xml_string($item["object"], false);
2853 $xt = parse_xml_string($item["target"], false);
2855 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2857 "SELECT `id`, `contact-id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2859 intval($importer["importer_uid"])
2861 if (DBM::is_result($i)) {
2862 // For tags, the owner cannot remove the tag on the author's copy of the post.
2864 $owner_remove = (($item["contact-id"] == $i[0]["contact-id"]) ? true: false);
2865 $author_remove = (($item["origin"] && $item["self"]) ? true : false);
2866 $author_copy = (($item["origin"]) ? true : false);
2868 if ($owner_remove && $author_copy) {
2871 if ($author_remove || $owner_remove) {
2872 $tags = explode(',', $i[0]["tag"]);
2875 foreach ($tags as $tag) {
2876 if (trim($tag) !== trim($xo->body)) {
2877 $newtags[] = trim($tag);
2882 "UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2883 dbesc(implode(',', $newtags)),
2886 create_tags_from_item($i[0]["id"]);
2892 if ($entrytype == DFRN_TOP_LEVEL) {
2894 "UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2895 `body` = '', `title` = ''
2896 WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2898 dbesc(datetime_convert()),
2900 intval($importer["uid"])
2902 create_tags_from_itemuri($uri, $importer["uid"]);
2903 create_files_from_itemuri($uri, $importer["uid"]);
2904 update_thread_uri($uri, $importer["uid"]);
2907 "UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2908 `body` = '', `title` = ''
2909 WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2911 dbesc(datetime_convert()),
2913 intval($importer["uid"])
2915 create_tags_from_itemuri($uri, $importer["uid"]);
2916 create_files_from_itemuri($uri, $importer["uid"]);
2917 update_thread_uri($uri, $importer["importer_uid"]);
2918 if ($item["last-child"]) {
2919 // ensure that last-child is set in case the comment that had it just got wiped.
2921 "UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2922 dbesc(datetime_convert()),
2923 dbesc($item["parent-uri"]),
2924 intval($item["uid"])
2926 // who is the last child now?
2928 "SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `moderated` = 0 AND `uid` = %d
2929 ORDER BY `created` DESC LIMIT 1",
2930 dbesc($item["parent-uri"]),
2931 intval($importer["uid"])
2933 if (DBM::is_result($r)) {
2935 "UPDATE `item` SET `last-child` = 1 WHERE `id` = %d",
2940 // if this is a relayed delete, propagate it to other recipients
2942 if ($entrytype == DFRN_REPLY_RC) {
2943 logger("Notifying followers about deletion of post " . $item["id"], LOGGER_DEBUG);
2944 Worker::add(PRIORITY_HIGH, "notifier", "drop", $item["id"]);
2951 * @brief Imports a DFRN message
2953 * @param text $xml The DFRN message
2954 * @param array $importer Record of the importer user mixed with contact of the content
2955 * @param bool $sort_by_date Is used when feeds are polled
2956 * @return integer Import status
2957 * @todo set proper type-hints
2959 public static function import($xml, $importer, $sort_by_date = false)
2965 $doc = new DOMDocument();
2966 @$doc->loadXML($xml);
2968 $xpath = new DomXPath($doc);
2969 $xpath->registerNamespace("atom", NAMESPACE_ATOM1);
2970 $xpath->registerNamespace("thr", NAMESPACE_THREAD);
2971 $xpath->registerNamespace("at", NAMESPACE_TOMB);
2972 $xpath->registerNamespace("media", NAMESPACE_MEDIA);
2973 $xpath->registerNamespace("dfrn", NAMESPACE_DFRN);
2974 $xpath->registerNamespace("activity", NAMESPACE_ACTIVITY);
2975 $xpath->registerNamespace("georss", NAMESPACE_GEORSS);
2976 $xpath->registerNamespace("poco", NAMESPACE_POCO);
2977 $xpath->registerNamespace("ostatus", NAMESPACE_OSTATUS);
2978 $xpath->registerNamespace("statusnet", NAMESPACE_STATUSNET);
2981 $header["uid"] = $importer["uid"];
2982 $header["network"] = NETWORK_DFRN;
2983 $header["type"] = "remote";
2984 $header["wall"] = 0;
2985 $header["origin"] = 0;
2986 $header["contact-id"] = $importer["id"];
2988 // Update the contact table if the data has changed
2990 // The "atom:author" is only present in feeds
2991 if ($xpath->query("/atom:feed/atom:author")->length > 0) {
2992 self::fetchauthor($xpath, $doc->firstChild, $importer, "atom:author", false, $xml);
2995 // Only the "dfrn:owner" in the head section contains all data
2996 if ($xpath->query("/atom:feed/dfrn:owner")->length > 0) {
2997 self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false, $xml);
3000 logger("Import DFRN message for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);
3002 // The account type is new since 3.5.1
3003 if ($xpath->query("/atom:feed/dfrn:account_type")->length > 0) {
3004 $accounttype = intval($xpath->evaluate("/atom:feed/dfrn:account_type/text()", $context)->item(0)->nodeValue);
3006 if ($accounttype != $importer["contact-type"]) {
3007 dba::update('contact', array('contact-type' => $accounttype), array('id' => $importer["id"]));
3011 // is it a public forum? Private forums aren't supported with this method
3012 // This is deprecated since 3.5.1
3013 $forum = intval($xpath->evaluate("/atom:feed/dfrn:community/text()", $context)->item(0)->nodeValue);
3015 if ($forum != $importer["forum"]) {
3016 $condition = array('`forum` != ? AND `id` = ?', $forum, $importer["id"]);
3017 dba::update('contact', array('forum' => $forum), $condition);
3020 // We are processing relocations even if we are ignoring a contact
3021 $relocations = $xpath->query("/atom:feed/dfrn:relocate");
3022 foreach ($relocations AS $relocation) {
3023 self::process_relocation($xpath, $relocation, $importer);
3026 if ($importer["readonly"]) {
3027 // We aren't receiving stuff from this person. But we will quietly ignore them
3028 // rather than a blatant "go away" message.
3029 logger('ignoring contact '.$importer["id"]);
3033 $mails = $xpath->query("/atom:feed/dfrn:mail");
3034 foreach ($mails AS $mail) {
3035 self::process_mail($xpath, $mail, $importer);
3038 $suggestions = $xpath->query("/atom:feed/dfrn:suggest");
3039 foreach ($suggestions AS $suggestion) {
3040 self::process_suggestion($xpath, $suggestion, $importer);
3043 $deletions = $xpath->query("/atom:feed/at:deleted-entry");
3044 foreach ($deletions AS $deletion) {
3045 self::process_deletion($xpath, $deletion, $importer);
3048 if (!$sort_by_date) {
3049 $entries = $xpath->query("/atom:feed/atom:entry");
3050 foreach ($entries AS $entry) {
3051 self::process_entry($header, $xpath, $entry, $importer, $xml);
3054 $newentries = array();
3055 $entries = $xpath->query("/atom:feed/atom:entry");
3056 foreach ($entries AS $entry) {
3057 $created = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
3058 $newentries[strtotime($created)] = $entry;
3061 // Now sort after the publishing date
3064 foreach ($newentries AS $entry) {
3065 self::process_entry($header, $xpath, $entry, $importer, $xml);
3068 logger("Import done for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);