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
11 use Friendica\Core\System;
13 require_once("include/Contact.php");
14 require_once("include/ostatus.php");
15 require_once("include/enotify.php");
16 require_once("include/threads.php");
17 require_once("include/socgraph.php");
18 require_once("include/items.php");
19 require_once("include/tags.php");
20 require_once("include/files.php");
21 require_once("include/event.php");
22 require_once("include/text.php");
23 require_once("include/oembed.php");
24 require_once("include/html2bbcode.php");
25 require_once("include/bbcode.php");
26 require_once("include/xml.php");
29 * @brief This class contain functions to create and send DFRN XML files
34 const DFRN_TOP_LEVEL = 0; // Top level posting
35 const DFRN_REPLY = 1; // Regular reply that is stored locally
36 const DFRN_REPLY_RC = 2; // Reply that will be relayed
39 * @brief Generates the atom entries for delivery.php
41 * This function is used whenever content is transmitted via DFRN.
43 * @param array $items Item elements
44 * @param array $owner Owner record
46 * @return string DFRN entries
47 * @todo Add type-hints
49 public static function entries($items,$owner) {
51 $doc = new DOMDocument('1.0', 'utf-8');
52 $doc->formatOutput = true;
54 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
56 if (! count($items)) {
57 return trim($doc->saveXML());
60 foreach ($items as $item) {
61 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
62 $root->appendChild($entry);
65 return(trim($doc->saveXML()));
69 * @brief Generate an atom feed for the given user
71 * This function is called when another server is pulling data from the user feed.
73 * @param string $dfrn_id DFRN ID from the requesting party
74 * @param string $owner_nick Owner nick name
75 * @param string $last_update Date of the last update
76 * @param int $direction Can be -1, 0 or 1.
77 * @param boolean $onlyheader Output only the header without content? (Default is "no")
79 * @return string DFRN feed entries
81 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false) {
85 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
86 $public_feed = (($dfrn_id) ? false : true);
87 $starred = false; // not yet implemented, possible security issues
90 if ($public_feed && $a->argc > 2) {
91 for ($x = 2; $x < $a->argc; $x++) {
92 if ($a->argv[$x] == 'converse') {
95 if ($a->argv[$x] == 'starred') {
98 if ($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) {
99 $category = $a->argv[$x+1];
106 // default permissions - anonymous user
108 $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
110 $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
111 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
112 WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
116 if (! dbm::is_result($r)) {
121 $owner_id = $owner['uid'];
122 $owner_nick = $owner['nickname'];
124 $sql_post_table = "";
126 if (! $public_feed) {
131 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
135 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
136 $my_id = '1:' . $dfrn_id;
139 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
140 $my_id = '0:' . $dfrn_id;
147 $r = q("SELECT * FROM `contact` WHERE NOT `blocked` AND `contact`.`uid` = %d $sql_extra LIMIT 1",
151 if (! dbm::is_result($r)) {
156 require_once('include/security.php');
157 $groups = init_groups_visitor($contact['id']);
159 if (count($groups)) {
160 for ($x = 0; $x < count($groups); $x ++)
161 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
162 $gs = implode('|', $groups);
164 $gs = '<<>>' ; // Impossible to match
167 $sql_extra = sprintf("
168 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
169 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
170 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
171 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
173 intval($contact['id']),
174 intval($contact['id']),
186 if (! strlen($last_update)) {
187 $last_update = 'now -30 days';
190 if (isset($category)) {
191 $sql_post_table = sprintf("INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
192 dbesc(protect_sprintf($category)), intval(TERM_OBJ_POST), intval(TERM_CATEGORY), intval($owner_id));
193 //$sql_extra .= file_tag_file_query('item',$category,'category');
198 $sql_extra .= " AND `contact`.`self` = 1 ";
202 $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
204 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,
205 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
206 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
207 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
208 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
209 FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table
210 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
211 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
212 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
213 WHERE `item`.`uid` = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
214 AND `item`.`wall` AND `item`.`changed` > '%s'
216 ORDER BY `item`.`parent` ".$sort.", `item`.`created` ASC LIMIT 0, 300",
223 * Will check further below if this actually returned results.
224 * We will provide an empty feed if that is the case.
229 $doc = new DOMDocument('1.0', 'utf-8');
230 $doc->formatOutput = true;
232 $alternatelink = $owner['url'];
234 if (isset($category)) {
235 $alternatelink .= "/category/".$category;
239 $author = "dfrn:owner";
244 $root = self::add_header($doc, $owner, $author, $alternatelink, true);
246 /// @TODO This hook can't work anymore
247 // call_hooks('atom_feed', $atom);
249 if (!dbm::is_result($items) || $onlyheader) {
250 $atom = trim($doc->saveXML());
252 call_hooks('atom_feed_end', $atom);
257 foreach ($items as $item) {
259 // prevent private email from leaking.
260 if ($item['network'] == NETWORK_MAIL) {
264 // public feeds get html, our own nodes use bbcode
268 // catch any email that's in a public conversation and make sure it doesn't leak
269 if ($item['private']) {
276 $entry = self::entry($doc, $type, $item, $owner, true);
277 $root->appendChild($entry);
281 $atom = trim($doc->saveXML());
283 call_hooks('atom_feed_end', $atom);
289 * @brief Generate an atom entry for a given item id
291 * @param int $item_id The item id
293 * @return string DFRN feed entry
295 public static function itemFeed($item_id) {
296 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,
297 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
298 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
299 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
300 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
302 STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
303 AND (NOT `contact`.`blocked` OR `contact`.`pending`)
304 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
305 WHERE `item`.`id` = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0
306 AND NOT `item`.`private`",
310 if (!dbm::is_result($r)) {
316 $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type`
317 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
318 WHERE `contact`.`self` AND `user`.`uid` = %d LIMIT 1",
322 if (!dbm::is_result($r)) {
328 $doc = new DOMDocument('1.0', 'utf-8');
329 $doc->formatOutput = true;
331 $alternatelink = $owner['url'];
335 $root = self::entry($doc, $type, $item, $owner, true, 0, true);
337 $atom = trim($doc->saveXML());
342 * @brief Create XML text for DFRN mails
344 * @param array $item message elements
345 * @param array $owner Owner record
347 * @return string DFRN mail
348 * @todo Add type-hints
350 public static function mail($item, $owner) {
351 $doc = new DOMDocument('1.0', 'utf-8');
352 $doc->formatOutput = true;
354 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
356 $mail = $doc->createElement("dfrn:mail");
357 $sender = $doc->createElement("dfrn:sender");
359 xml::add_element($doc, $sender, "dfrn:name", $owner['name']);
360 xml::add_element($doc, $sender, "dfrn:uri", $owner['url']);
361 xml::add_element($doc, $sender, "dfrn:avatar", $owner['thumb']);
363 $mail->appendChild($sender);
365 xml::add_element($doc, $mail, "dfrn:id", $item['uri']);
366 xml::add_element($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
367 xml::add_element($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME));
368 xml::add_element($doc, $mail, "dfrn:subject", $item['title']);
369 xml::add_element($doc, $mail, "dfrn:content", $item['body']);
371 $root->appendChild($mail);
373 return(trim($doc->saveXML()));
377 * @brief Create XML text for DFRN friend suggestions
379 * @param array $item suggestion elements
380 * @param array $owner Owner record
382 * @return string DFRN suggestions
383 * @todo Add type-hints
385 public static function fsuggest($item, $owner) {
386 $doc = new DOMDocument('1.0', 'utf-8');
387 $doc->formatOutput = true;
389 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
391 $suggest = $doc->createElement("dfrn:suggest");
393 xml::add_element($doc, $suggest, "dfrn:url", $item['url']);
394 xml::add_element($doc, $suggest, "dfrn:name", $item['name']);
395 xml::add_element($doc, $suggest, "dfrn:photo", $item['photo']);
396 xml::add_element($doc, $suggest, "dfrn:request", $item['request']);
397 xml::add_element($doc, $suggest, "dfrn:note", $item['note']);
399 $root->appendChild($suggest);
401 return(trim($doc->saveXML()));
405 * @brief Create XML text for DFRN relocations
407 * @param array $owner Owner record
408 * @param int $uid User ID
410 * @return string DFRN relocations
411 * @todo Add type-hints
413 public static function relocate($owner, $uid) {
415 /* get site pubkey. this could be a new installation with no site keys*/
416 $pubkey = get_config('system','site_pubkey');
418 $res = new_keypair(1024);
419 set_config('system','site_prvkey', $res['prvkey']);
420 set_config('system','site_pubkey', $res['pubkey']);
423 $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
424 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
426 $ext = Photo::supportedTypes();
428 foreach ($rp as $p) {
429 $photos[$p['scale']] = System::baseUrl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
434 $doc = new DOMDocument('1.0', 'utf-8');
435 $doc->formatOutput = true;
437 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
439 $relocate = $doc->createElement("dfrn:relocate");
441 xml::add_element($doc, $relocate, "dfrn:url", $owner['url']);
442 xml::add_element($doc, $relocate, "dfrn:name", $owner['name']);
443 xml::add_element($doc, $relocate, "dfrn:addr", $owner['addr']);
444 xml::add_element($doc, $relocate, "dfrn:avatar", $owner['avatar']);
445 xml::add_element($doc, $relocate, "dfrn:photo", $photos[4]);
446 xml::add_element($doc, $relocate, "dfrn:thumb", $photos[5]);
447 xml::add_element($doc, $relocate, "dfrn:micro", $photos[6]);
448 xml::add_element($doc, $relocate, "dfrn:request", $owner['request']);
449 xml::add_element($doc, $relocate, "dfrn:confirm", $owner['confirm']);
450 xml::add_element($doc, $relocate, "dfrn:notify", $owner['notify']);
451 xml::add_element($doc, $relocate, "dfrn:poll", $owner['poll']);
452 xml::add_element($doc, $relocate, "dfrn:sitepubkey", get_config('system','site_pubkey'));
454 $root->appendChild($relocate);
456 return(trim($doc->saveXML()));
460 * @brief Adds the header elements for the DFRN protocol
462 * @param object $doc XML document
463 * @param array $owner Owner record
464 * @param string $authorelement Element name for the author
465 * @param string $alternatelink link to profile or category
466 * @param bool $public Is it a header for public posts?
468 * @return object XML root object
469 * @todo Add type-hints
471 private static function add_header($doc, $owner, $authorelement, $alternatelink = "", $public = false) {
473 if ($alternatelink == "") {
474 $alternatelink = $owner['url'];
477 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
478 $doc->appendChild($root);
480 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
481 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
482 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
483 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
484 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
485 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
486 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
487 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
488 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
490 xml::add_element($doc, $root, "id", System::baseUrl()."/profile/".$owner["nick"]);
491 xml::add_element($doc, $root, "title", $owner["name"]);
493 $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
494 xml::add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
496 $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/");
497 xml::add_element($doc, $root, "link", "", $attributes);
499 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink);
500 xml::add_element($doc, $root, "link", "", $attributes);
504 // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
505 ostatus::hublinks($doc, $root, $owner["nick"]);
507 $attributes = array("rel" => "salmon", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
508 xml::add_element($doc, $root, "link", "", $attributes);
510 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
511 xml::add_element($doc, $root, "link", "", $attributes);
513 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => System::baseUrl()."/salmon/".$owner["nick"]);
514 xml::add_element($doc, $root, "link", "", $attributes);
517 // For backward compatibility we keep this element
518 if ($owner['page-flags'] == PAGE_COMMUNITY) {
519 xml::add_element($doc, $root, "dfrn:community", 1);
522 // The former element is replaced by this one
523 xml::add_element($doc, $root, "dfrn:account_type", $owner["account-type"]);
525 /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP"
527 xml::add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
529 $author = self::add_author($doc, $owner, $authorelement, $public);
530 $root->appendChild($author);
536 * @brief Adds the author element in the header for the DFRN protocol
538 * @param object $doc XML document
539 * @param array $owner Owner record
540 * @param string $authorelement Element name for the author
542 * @return object XML author object
543 * @todo Add type-hints
545 private static function add_author($doc, $owner, $authorelement, $public) {
547 // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element
548 $r = q("SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
549 WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d",
550 intval($owner['uid']));
551 if (dbm::is_result($r)) {
557 $author = $doc->createElement($authorelement);
559 $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00', ATOM_TIME);
560 $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
561 $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
563 $attributes = array();
565 if (!$public || !$hidewall) {
566 $attributes = array("dfrn:updated" => $namdate);
569 xml::add_element($doc, $author, "name", $owner["name"], $attributes);
570 xml::add_element($doc, $author, "uri", System::baseUrl().'/profile/'.$owner["nickname"], $attributes);
571 xml::add_element($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
573 $attributes = array("rel" => "photo", "type" => "image/jpeg",
574 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
576 if (!$public || !$hidewall) {
577 $attributes["dfrn:updated"] = $picdate;
580 xml::add_element($doc, $author, "link", "", $attributes);
582 $attributes["rel"] = "avatar";
583 xml::add_element($doc, $author, "link", "", $attributes);
586 xml::add_element($doc, $author, "dfrn:hide", "true");
589 // The following fields will only be generated if the data isn't meant for a public feed
594 $birthday = feed_birthday($owner['uid'], $owner['timezone']);
597 xml::add_element($doc, $author, "dfrn:birthday", $birthday);
599 // Only show contact details when we are allowed to
600 $r = q("SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`,
601 `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
602 `profile`.`pub_keywords`, `profile`.`xmpp`, `profile`.`dob`
604 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
605 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
606 intval($owner['uid']));
607 if (dbm::is_result($r)) {
610 xml::add_element($doc, $author, "poco:displayName", $profile["name"]);
611 xml::add_element($doc, $author, "poco:updated", $namdate);
613 if (trim($profile["dob"]) > '0001-01-01') {
614 xml::add_element($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
617 xml::add_element($doc, $author, "poco:note", $profile["about"]);
618 xml::add_element($doc, $author, "poco:preferredUsername", $profile["nickname"]);
620 $savetz = date_default_timezone_get();
621 date_default_timezone_set($profile["timezone"]);
622 xml::add_element($doc, $author, "poco:utcOffset", date("P"));
623 date_default_timezone_set($savetz);
625 if (trim($profile["homepage"]) != "") {
626 $urls = $doc->createElement("poco:urls");
627 xml::add_element($doc, $urls, "poco:type", "homepage");
628 xml::add_element($doc, $urls, "poco:value", $profile["homepage"]);
629 xml::add_element($doc, $urls, "poco:primary", "true");
630 $author->appendChild($urls);
633 if (trim($profile["pub_keywords"]) != "") {
634 $keywords = explode(",", $profile["pub_keywords"]);
636 foreach ($keywords AS $keyword) {
637 xml::add_element($doc, $author, "poco:tags", trim($keyword));
642 if (trim($profile["xmpp"]) != "") {
643 $ims = $doc->createElement("poco:ims");
644 xml::add_element($doc, $ims, "poco:type", "xmpp");
645 xml::add_element($doc, $ims, "poco:value", $profile["xmpp"]);
646 xml::add_element($doc, $ims, "poco:primary", "true");
647 $author->appendChild($ims);
650 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
651 $element = $doc->createElement("poco:address");
653 xml::add_element($doc, $element, "poco:formatted", formatted_location($profile));
655 if (trim($profile["locality"]) != "") {
656 xml::add_element($doc, $element, "poco:locality", $profile["locality"]);
659 if (trim($profile["region"]) != "") {
660 xml::add_element($doc, $element, "poco:region", $profile["region"]);
663 if (trim($profile["country-name"]) != "") {
664 xml::add_element($doc, $element, "poco:country", $profile["country-name"]);
667 $author->appendChild($element);
675 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
677 * @param object $doc XML document
678 * @param string $element Element name for the author
679 * @param string $contact_url Link of the contact
680 * @param array $items Item elements
682 * @return object XML author object
683 * @todo Add type-hints
685 private static function add_entry_author($doc, $element, $contact_url, $item) {
687 $contact = get_contact_details_by_url($contact_url, $item["uid"]);
689 $author = $doc->createElement($element);
690 xml::add_element($doc, $author, "name", $contact["name"]);
691 xml::add_element($doc, $author, "uri", $contact["url"]);
692 xml::add_element($doc, $author, "dfrn:handle", $contact["addr"]);
695 /// - Check real image type and image size
696 /// - Check which of these boths elements we should use
699 "type" => "image/jpeg",
701 "media:height" => 80,
702 "href" => $contact["photo"]);
703 xml::add_element($doc, $author, "link", "", $attributes);
707 "type" => "image/jpeg",
709 "media:height" => 80,
710 "href" => $contact["photo"]);
711 xml::add_element($doc, $author, "link", "", $attributes);
717 * @brief Adds the activity elements
719 * @param object $doc XML document
720 * @param string $element Element name for the activity
721 * @param string $activity activity value
723 * @return object XML activity object
724 * @todo Add type-hints
726 private static function create_activity($doc, $element, $activity) {
729 $entry = $doc->createElement($element);
731 $r = parse_xml_string($activity, false);
736 xml::add_element($doc, $entry, "activity:object-type", $r->type);
739 xml::add_element($doc, $entry, "id", $r->id);
742 xml::add_element($doc, $entry, "title", $r->title);
746 if (substr($r->link, 0, 1) == '<') {
747 if (strstr($r->link, '&') && (! strstr($r->link, '&'))) {
748 $r->link = str_replace('&', '&', $r->link);
751 $r->link = preg_replace('/\<link(.*?)\"\>/', '<link$1"/>', $r->link);
753 // XML does need a single element as root element so we add a dummy element here
754 $data = parse_xml_string("<dummy>" . $r->link . "</dummy>", false);
755 if (is_object($data)) {
756 foreach ($data->link AS $link) {
757 $attributes = array();
758 foreach ($link->attributes() AS $parameter => $value) {
759 $attributes[$parameter] = $value;
761 xml::add_element($doc, $entry, "link", "", $attributes);
765 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link);
766 xml::add_element($doc, $entry, "link", "", $attributes);
770 xml::add_element($doc, $entry, "content", bbcode($r->content), array("type" => "html"));
780 * @brief Adds the elements for attachments
782 * @param object $doc XML document
783 * @param object $root XML root
784 * @param array $item Item element
786 * @return object XML attachment object
787 * @todo Add type-hints
789 private static function get_attachment($doc, $root, $item) {
790 $arr = explode('[/attach],',$item['attach']);
792 foreach ($arr as $r) {
794 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches);
796 $attributes = array("rel" => "enclosure",
797 "href" => $matches[1],
798 "type" => $matches[3]);
800 if (intval($matches[2])) {
801 $attributes["length"] = intval($matches[2]);
804 if (trim($matches[4]) != "") {
805 $attributes["title"] = trim($matches[4]);
808 xml::add_element($doc, $root, "link", "", $attributes);
815 * @brief Adds the "entry" elements for the DFRN protocol
817 * @param object $doc XML document
818 * @param string $type "text" or "html"
819 * @param array $item Item element
820 * @param array $owner Owner record
821 * @param bool $comment Trigger the sending of the "comment" element
822 * @param int $cid Contact ID of the recipient
823 * @param bool $single If set, the entry is created as an XML document with a single "entry" element
825 * @return object XML entry object
826 * @todo Add type-hints
828 private static function entry($doc, $type, $item, $owner, $comment = false, $cid = 0, $single = false) {
830 $mentioned = array();
832 if (!$item['parent']) {
836 if ($item['deleted']) {
837 $attributes = array("ref" => $item['uri'], "when" => datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME));
838 return xml::create_element($doc, "at:deleted-entry", "", $attributes);
842 $entry = $doc->createElement("entry");
844 $entry = $doc->createElementNS(NAMESPACE_ATOM1, 'entry');
845 $doc->appendChild($entry);
847 $entry->setAttribute("xmlns:thr", NAMESPACE_THREAD);
848 $entry->setAttribute("xmlns:at", NAMESPACE_TOMB);
849 $entry->setAttribute("xmlns:media", NAMESPACE_MEDIA);
850 $entry->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
851 $entry->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
852 $entry->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
853 $entry->setAttribute("xmlns:poco", NAMESPACE_POCO);
854 $entry->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
855 $entry->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
858 if ($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) {
859 $body = fix_private_photos($item['body'],$owner['uid'],$item,$cid);
861 $body = $item['body'];
864 // Remove the abstract element. It is only locally important.
865 $body = remove_abstract($body);
867 if ($type == 'html') {
870 if ($item['title'] != "") {
871 $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody;
874 $htmlbody = bbcode($htmlbody, false, false, 7);
877 $author = self::add_entry_author($doc, "author", $item["author-link"], $item);
878 $entry->appendChild($author);
880 $dfrnowner = self::add_entry_author($doc, "dfrn:owner", $item["owner-link"], $item);
881 $entry->appendChild($dfrnowner);
883 if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
884 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
885 $parent = q("SELECT `guid`,`plink` FROM `item` WHERE `uri` = '%s' AND `uid` = %d", dbesc($parent_item), intval($item['uid']));
886 $attributes = array("ref" => $parent_item, "type" => "text/html",
887 "href" => $parent[0]['plink'],
888 "dfrn:diaspora_guid" => $parent[0]['guid']);
889 xml::add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
892 // Add conversation data. This is used for OStatus
893 $conversation_href = System::baseUrl()."/display/".$owner["nick"]."/".$item["parent"];
894 $conversation_uri = $conversation_href;
896 if (isset($parent_item)) {
897 $r = dba::fetch_first("SELECT `conversation-uri`, `conversation-href` FROM `conversation` WHERE `item-uri` = ?", $item['parent-uri']);
898 if (dbm::is_result($r)) {
899 if ($r['conversation-uri'] != '') {
900 $conversation_uri = $r['conversation-uri'];
902 if ($r['conversation-href'] != '') {
903 $conversation_href = $r['conversation-href'];
909 "href" => $conversation_href,
910 "ref" => $conversation_uri);
912 xml::add_element($doc, $entry, "ostatus:conversation", $conversation_uri, $attributes);
914 xml::add_element($doc, $entry, "id", $item["uri"]);
915 xml::add_element($doc, $entry, "title", $item["title"]);
917 xml::add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
918 xml::add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
920 // "dfrn:env" is used to read the content
921 xml::add_element($doc, $entry, "dfrn:env", base64url_encode($body, true));
923 // The "content" field is not read by the receiver. We could remove it when the type is "text"
924 // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
925 xml::add_element($doc, $entry, "content", (($type == 'html') ? $htmlbody : $body), array("type" => $type));
927 // We save this value in "plink". Maybe we should read it from there as well?
928 xml::add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
929 "href" => System::baseUrl()."/display/".$item["guid"]));
931 // "comment-allow" is some old fashioned stuff for old Friendica versions.
932 // It is included in the rewritten code for completeness
934 xml::add_element($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
937 if ($item['location']) {
938 xml::add_element($doc, $entry, "dfrn:location", $item['location']);
941 if ($item['coord']) {
942 xml::add_element($doc, $entry, "georss:point", $item['coord']);
945 if (($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid'])) {
946 xml::add_element($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
949 if ($item['extid']) {
950 xml::add_element($doc, $entry, "dfrn:extid", $item['extid']);
953 if ($item['bookmark']) {
954 xml::add_element($doc, $entry, "dfrn:bookmark", "true");
958 xml::add_element($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
961 xml::add_element($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
963 // The signed text contains the content in Markdown, the sender handle and the signatur for the content
964 // It is needed for relayed comments to Diaspora.
965 if ($item['signed_text']) {
966 $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
967 xml::add_element($doc, $entry, "dfrn:diaspora_signature", $sign);
970 xml::add_element($doc, $entry, "activity:verb", construct_verb($item));
972 if ($item['object-type'] != "") {
973 xml::add_element($doc, $entry, "activity:object-type", $item['object-type']);
974 } elseif ($item['id'] == $item['parent']) {
975 xml::add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
977 xml::add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
980 $actobj = self::create_activity($doc, "activity:object", $item['object']);
982 $entry->appendChild($actobj);
985 $actarg = self::create_activity($doc, "activity:target", $item['target']);
987 $entry->appendChild($actarg);
990 $tags = item_getfeedtags($item);
993 foreach ($tags as $t) {
994 if (($type != 'html') || ($t[0] != "@")) {
995 xml::add_element($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]));
1001 foreach ($tags as $t) {
1003 $mentioned[$t[1]] = $t[1];
1008 foreach ($mentioned AS $mention) {
1009 $r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
1010 intval($owner["uid"]),
1011 dbesc(normalise_link($mention)));
1013 if (dbm::is_result($r) && ($r[0]["forum"] || $r[0]["prv"])) {
1014 xml::add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1015 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
1016 "href" => $mention));
1018 xml::add_element($doc, $entry, "link", "", array("rel" => "mentioned",
1019 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
1020 "href" => $mention));
1024 self::get_attachment($doc, $entry, $item);
1030 * @brief encrypts data via AES
1032 * @param string $data The data that is to be encrypted
1033 * @param string $key The AES key
1035 * @return string encrypted data
1037 private static function aes_encrypt($data, $key) {
1038 return openssl_encrypt($data, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1042 * @brief decrypts data via AES
1044 * @param string $encrypted The encrypted data
1045 * @param string $key The AES key
1047 * @return string decrypted data
1049 public static function aes_decrypt($encrypted, $key) {
1050 return openssl_decrypt($encrypted, 'aes-128-ecb', $key, OPENSSL_RAW_DATA);
1054 * @brief Delivers the atom content to the contacts
1056 * @param array $owner Owner record
1057 * @param array $contactr Contact record of the receiver
1058 * @param string $atom Content that will be transmitted
1059 * @param bool $dissolve (to be documented)
1061 * @return int Deliver status. -1 means an error.
1062 * @todo Add array type-hint for $owner, $contact
1064 public static function deliver($owner,$contact,$atom, $dissolve = false) {
1068 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
1070 if ($contact['duplex'] && $contact['dfrn-id']) {
1071 $idtosend = '0:' . $orig_id;
1073 if ($contact['duplex'] && $contact['issued-id']) {
1074 $idtosend = '1:' . $orig_id;
1077 $rino = get_config('system', 'rino_encrypt');
1078 $rino = intval($rino);
1080 logger("Local rino version: ". $rino, LOGGER_DEBUG);
1082 $ssl_val = intval(get_config('system','ssl_policy'));
1086 case SSL_POLICY_FULL:
1087 $ssl_policy = 'full';
1089 case SSL_POLICY_SELFSIGN:
1090 $ssl_policy = 'self';
1092 case SSL_POLICY_NONE:
1094 $ssl_policy = 'none';
1098 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
1100 logger('dfrn_deliver: ' . $url);
1102 $ret = z_fetch_url($url);
1104 if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
1105 return -2; // timed out
1108 $xml = $ret['body'];
1110 $curl_stat = $a->get_curl_code();
1112 return -3; // timed out
1115 logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
1121 if (strpos($xml,'<?xml') === false) {
1122 logger('dfrn_deliver: no valid XML returned');
1123 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
1127 $res = parse_xml_string($xml);
1129 if ((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) {
1130 return (($res->status) ? $res->status : 3);
1133 $postvars = array();
1134 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
1135 $challenge = hex2bin((string) $res->challenge);
1136 $perm = (($res->perm) ? $res->perm : null);
1137 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
1138 $rino_remote_version = intval($res->rino);
1139 $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0);
1141 logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG);
1143 if ($owner['page-flags'] == PAGE_PRVGROUP) {
1147 $final_dfrn_id = '';
1150 if ((($perm == 'rw') && (! intval($contact['writable'])))
1151 || (($perm == 'r') && (intval($contact['writable'])))) {
1152 q("update contact set writable = %d where id = %d",
1153 intval(($perm == 'rw') ? 1 : 0),
1154 intval($contact['id'])
1156 $contact['writable'] = (string) 1 - intval($contact['writable']);
1160 if (($contact['duplex'] && strlen($contact['pubkey']))
1161 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1162 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))) {
1163 openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
1164 openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
1166 openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
1167 openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
1170 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
1172 if (strpos($final_dfrn_id,':') == 1) {
1173 $final_dfrn_id = substr($final_dfrn_id,2);
1176 if ($final_dfrn_id != $orig_id) {
1177 logger('dfrn_deliver: wrong dfrn_id.');
1178 // did not decode properly - cannot trust this site
1182 $postvars['dfrn_id'] = $idtosend;
1183 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
1185 $postvars['dissolve'] = '1';
1189 if ((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1190 $postvars['data'] = $atom;
1191 $postvars['perm'] = 'rw';
1193 $postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
1194 $postvars['perm'] = 'r';
1197 $postvars['ssl_policy'] = $ssl_policy;
1200 $postvars['page'] = $page;
1204 if ($rino > 0 && $rino_remote_version > 0 && (! $dissolve)) {
1205 logger('rino version: '. $rino_remote_version);
1207 switch ($rino_remote_version) {
1209 // Deprecated rino version!
1210 $key = openssl_random_pseudo_bytes(16);
1211 $data = self::aes_encrypt($postvars['data'], $key);
1214 // RINO 2 based on php-encryption
1216 $key = Crypto::createNewRandomKey();
1217 } catch (CryptoTestFailed $ex) {
1218 logger('Cannot safely create a key');
1220 } catch (CannotPerformOperation $ex) {
1221 logger('Cannot safely create a key');
1225 $data = Crypto::encrypt($postvars['data'], $key);
1226 } catch (CryptoTestFailed $ex) {
1227 logger('Cannot safely perform encryption');
1229 } catch (CannotPerformOperation $ex) {
1230 logger('Cannot safely perform encryption');
1235 logger("rino: invalid requested verision '$rino_remote_version'");
1239 $postvars['rino'] = $rino_remote_version;
1240 $postvars['data'] = bin2hex($data);
1242 //logger('rino: sent key = ' . $key, LOGGER_DEBUG);
1245 if ($dfrn_version >= 2.1) {
1246 if (($contact['duplex'] && strlen($contact['pubkey']))
1247 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1248 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))) {
1249 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
1251 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
1255 if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
1256 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
1258 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
1263 logger('md5 rawkey ' . md5($postvars['key']));
1265 $postvars['key'] = bin2hex($postvars['key']);
1269 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA);
1271 $xml = post_url($contact['notify'], $postvars);
1273 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
1275 $curl_stat = $a->get_curl_code();
1276 if ((!$curl_stat) || (!strlen($xml))) {
1277 return -9; // timed out
1280 if (($curl_stat == 503) && (stristr($a->get_curl_headers(),'retry-after'))) {
1284 if (strpos($xml,'<?xml') === false) {
1285 logger('dfrn_deliver: phase 2: no valid XML returned');
1286 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
1290 if ($contact['term-date'] > NULL_DATE) {
1291 logger("dfrn_deliver: $url back from the dead - removing mark for death");
1292 require_once('include/Contact.php');
1293 unmark_for_death($contact);
1296 $res = parse_xml_string($xml);
1298 if (!isset($res->status)) {
1302 if (!empty($res->message)) {
1303 logger('Delivery returned status '.$res->status.' - '.$res->message, LOGGER_DEBUG);
1306 return intval($res->status);
1310 * @brief Add new birthday event for this person
1312 * @param array $contact Contact record
1313 * @param string $birthday Birthday of the contact
1314 * @todo Add array type-hint for $contact
1316 private static function birthday_event($contact, $birthday) {
1318 // Check for duplicates
1319 $r = q("SELECT `id` FROM `event` WHERE `uid` = %d AND `cid` = %d AND `start` = '%s' AND `type` = '%s' LIMIT 1",
1320 intval($contact["uid"]),
1321 intval($contact["id"]),
1322 dbesc(datetime_convert("UTC","UTC", $birthday)),
1325 if (dbm::is_result($r)) {
1329 logger("updating birthday: ".$birthday." for contact ".$contact["id"]);
1331 $bdtext = sprintf(t("%s\'s birthday"), $contact["name"]);
1332 $bdtext2 = sprintf(t("Happy Birthday %s"), " [url=".$contact["url"]."]".$contact["name"]."[/url]") ;
1334 $r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`)
1335 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
1336 intval($contact["uid"]),
1337 intval($contact["id"]),
1338 dbesc(datetime_convert()),
1339 dbesc(datetime_convert()),
1340 dbesc(datetime_convert("UTC","UTC", $birthday)),
1341 dbesc(datetime_convert("UTC","UTC", $birthday." + 1 day ")),
1349 * @brief Fetch the author data from head or entry items
1351 * @param object $xpath XPath object
1352 * @param object $context In which context should the data be searched
1353 * @param array $importer Record of the importer user mixed with contact of the content
1354 * @param string $element Element name from which the data is fetched
1355 * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well
1357 * @return Returns an array with relevant data of the author
1358 * @todo Find good type-hints for all parameter
1360 private static function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "") {
1363 $author["name"] = $xpath->evaluate($element."/atom:name/text()", $context)->item(0)->nodeValue;
1364 $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue;
1366 $r = q("SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`,
1367 `name`, `nick`, `about`, `location`, `keywords`, `xmpp`, `bdyear`, `bd`, `hidden`, `contact-type`
1368 FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
1369 intval($importer["uid"]), dbesc(normalise_link($author["link"])), dbesc(NETWORK_STATUSNET));
1371 if (dbm::is_result($r)) {
1373 $author["contact-id"] = $r[0]["id"];
1374 $author["network"] = $r[0]["network"];
1377 logger("Contact ".$author["link"]." wasn't found for user ".$importer["uid"]." XML: ".$xml, LOGGER_DEBUG);
1380 $author["contact-id"] = $importer["id"];
1381 $author["network"] = $importer["network"];
1385 // Until now we aren't serving different sizes - but maybe later
1386 $avatarlist = array();
1387 /// @todo check if "avatar" or "photo" would be the best field in the specification
1388 $avatars = $xpath->query($element."/atom:link[@rel='avatar']", $context);
1389 foreach ($avatars AS $avatar) {
1392 foreach ($avatar->attributes AS $attributes) {
1393 /// @TODO Rewrite these similar if () to one switch
1394 if ($attributes->name == "href") {
1395 $href = $attributes->textContent;
1397 if ($attributes->name == "width") {
1398 $width = $attributes->textContent;
1400 if ($attributes->name == "updated") {
1401 $contact["avatar-date"] = $attributes->textContent;
1404 if (($width > 0) && ($href != "")) {
1405 $avatarlist[$width] = $href;
1408 if (count($avatarlist) > 0) {
1409 krsort($avatarlist);
1410 $author["avatar"] = current($avatarlist);
1413 if (dbm::is_result($r) && !$onlyfetch) {
1414 logger("Check if contact details for contact " . $r[0]["id"] . " (" . $r[0]["nick"] . ") have to be updated.", LOGGER_DEBUG);
1416 $poco = array("url" => $contact["url"]);
1418 // When was the last change to name or uri?
1419 $name_element = $xpath->query($element . "/atom:name", $context)->item(0);
1420 foreach ($name_element->attributes AS $attributes) {
1421 if ($attributes->name == "updated") {
1422 $poco["name-date"] = $attributes->textContent;
1426 $link_element = $xpath->query($element . "/atom:link", $context)->item(0);
1427 foreach ($link_element->attributes AS $attributes) {
1428 if ($attributes->name == "updated") {
1429 $poco["uri-date"] = $attributes->textContent;
1433 // Update contact data
1434 $value = $xpath->evaluate($element . "/dfrn:handle/text()", $context)->item(0)->nodeValue;
1436 $poco["addr"] = $value;
1439 $value = $xpath->evaluate($element . "/poco:displayName/text()", $context)->item(0)->nodeValue;
1441 $poco["name"] = $value;
1444 $value = $xpath->evaluate($element . "/poco:preferredUsername/text()", $context)->item(0)->nodeValue;
1446 $poco["nick"] = $value;
1449 $value = $xpath->evaluate($element . "/poco:note/text()", $context)->item(0)->nodeValue;
1451 $poco["about"] = $value;
1454 $value = $xpath->evaluate($element . "/poco:address/poco:formatted/text()", $context)->item(0)->nodeValue;
1456 $poco["location"] = $value;
1459 /// @todo Only search for elements with "poco:type" = "xmpp"
1460 $value = $xpath->evaluate($element . "/poco:ims/poco:value/text()", $context)->item(0)->nodeValue;
1462 $poco["xmpp"] = $value;
1465 /// @todo Add support for the following fields that we don't support by now in the contact table:
1466 /// - poco:utcOffset
1472 // If the "hide" element is present then the profile isn't searchable.
1473 $hide = intval($xpath->evaluate($element . "/dfrn:hide/text()", $context)->item(0)->nodeValue == "true");
1475 logger("Hidden status for contact " . $contact["url"] . ": " . $hide, LOGGER_DEBUG);
1477 // If the contact isn't searchable then set the contact to "hidden".
1478 // Problem: This can be manually overridden by the user.
1480 $contact["hidden"] = true;
1483 // Save the keywords into the contact table
1485 $tagelements = $xpath->evaluate($element . "/poco:tags/text()", $context);
1486 foreach ($tagelements AS $tag) {
1487 $tags[$tag->nodeValue] = $tag->nodeValue;
1491 $poco["keywords"] = implode(", ", $tags);
1494 // "dfrn:birthday" contains the birthday converted to UTC
1495 $old_bdyear = $contact["bdyear"];
1497 $birthday = $xpath->evaluate($element . "/dfrn:birthday/text()", $context)->item(0)->nodeValue;
1499 if (strtotime($birthday) > time()) {
1500 $bd_timestamp = strtotime($birthday);
1502 $poco["bdyear"] = date("Y", $bd_timestamp);
1505 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1506 $value = $xpath->evaluate($element . "/poco:birthday/text()", $context)->item(0)->nodeValue;
1508 if (!in_array($value, array("", "0000-00-00", "0001-01-01"))) {
1509 $bdyear = date("Y");
1510 $value = str_replace("0000", $bdyear, $value);
1512 if (strtotime($value) < time()) {
1513 $value = str_replace($bdyear, $bdyear + 1, $value);
1514 $bdyear = $bdyear + 1;
1517 $poco["bd"] = $value;
1520 $contact = array_merge($contact, $poco);
1522 if ($old_bdyear != $contact["bdyear"]) {
1523 self::birthday_event($contact, $birthday);
1526 // Get all field names
1528 foreach ($r[0] AS $field => $data) {
1529 $fields[$field] = $data;
1532 unset($fields["id"]);
1533 unset($fields["uid"]);
1534 unset($fields["url"]);
1535 unset($fields["avatar-date"]);
1536 unset($fields["name-date"]);
1537 unset($fields["uri-date"]);
1539 // Update check for this field has to be done differently
1540 $datefields = array("name-date", "uri-date");
1541 foreach ($datefields AS $field) {
1542 if (strtotime($contact[$field]) > strtotime($r[0][$field])) {
1543 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1548 foreach ($fields AS $field => $data) {
1549 if ($contact[$field] != $r[0][$field]) {
1550 logger("Difference for contact " . $contact["id"] . " in field '" . $field . "'. New value: '" . $contact[$field] . "', old value '" . $r[0][$field] . "'", LOGGER_DEBUG);
1556 logger("Update contact data for contact " . $contact["id"] . " (" . $contact["nick"] . ")", LOGGER_DEBUG);
1558 q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s',
1559 `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s', `hidden` = %d,
1560 `xmpp` = '%s', `name-date` = '%s', `uri-date` = '%s'
1561 WHERE `id` = %d AND `network` = '%s'",
1562 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
1563 dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]),
1564 dbesc($contact["bd"]), intval($contact["hidden"]), dbesc($contact["xmpp"]),
1565 dbesc(dbm::date($contact["name-date"])), dbesc(dbm::date($contact["uri-date"])),
1566 intval($contact["id"]), dbesc($contact["network"]));
1569 update_contact_avatar($author["avatar"], $importer["uid"], $contact["id"],
1570 (strtotime($contact["avatar-date"]) > strtotime($r[0]["avatar-date"])));
1573 * The generation is a sign for the reliability of the provided data.
1574 * It is used in the socgraph.php to prevent that old contact data
1575 * that was relayed over several servers can overwrite contact
1576 * data that we received directly.
1579 $poco["generation"] = 2;
1580 $poco["photo"] = $author["avatar"];
1581 $poco["hide"] = $hide;
1582 $poco["contact-type"] = $contact["contact-type"];
1583 $gcid = update_gcontact($poco);
1585 link_gcontact($gcid, $importer["uid"], $contact["id"]);
1592 * @brief Transforms activity objects into an XML string
1594 * @param object $xpath XPath object
1595 * @param object $activity Activity object
1596 * @param text $element element name
1598 * @return string XML string
1599 * @todo Find good type-hints for all parameter
1601 private static function transform_activity($xpath, $activity, $element) {
1602 if (!is_object($activity)) {
1606 $obj_doc = new DOMDocument("1.0", "utf-8");
1607 $obj_doc->formatOutput = true;
1609 $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element);
1611 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1612 xml::add_element($obj_doc, $obj_element, "type", $activity_type);
1614 $id = $xpath->query("atom:id", $activity)->item(0);
1615 if (is_object($id)) {
1616 $obj_element->appendChild($obj_doc->importNode($id, true));
1619 $title = $xpath->query("atom:title", $activity)->item(0);
1620 if (is_object($title)) {
1621 $obj_element->appendChild($obj_doc->importNode($title, true));
1624 $links = $xpath->query("atom:link", $activity);
1625 if (is_object($links)) {
1626 foreach ($links AS $link) {
1627 $obj_element->appendChild($obj_doc->importNode($link, true));
1631 $content = $xpath->query("atom:content", $activity)->item(0);
1632 if (is_object($content)) {
1633 $obj_element->appendChild($obj_doc->importNode($content, true));
1636 $obj_doc->appendChild($obj_element);
1638 $objxml = $obj_doc->saveXML($obj_element);
1640 /// @todo This isn't totally clean. We should find a way to transform the namespaces
1641 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1646 * @brief Processes the mail elements
1648 * @param object $xpath XPath object
1649 * @param object $mail mail elements
1650 * @param array $importer Record of the importer user mixed with contact of the content
1651 * @todo Find good type-hints for all parameter
1653 private static function process_mail($xpath, $mail, $importer) {
1655 logger("Processing mails");
1657 /// @TODO Rewrite this to one statement
1659 $msg["uid"] = $importer["importer_uid"];
1660 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1661 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1662 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1663 $msg["contact-id"] = $importer["id"];
1664 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1665 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1666 $msg["created"] = $xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue;
1667 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1668 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1670 $msg["replied"] = 0;
1672 dba::insert('mail', $msg);
1674 // send notifications.
1675 /// @TODO Arange this mess
1676 $notif_params = array(
1677 "type" => NOTIFY_MAIL,
1678 "notify_flags" => $importer["notify-flags"],
1679 "language" => $importer["language"],
1680 "to_name" => $importer["username"],
1681 "to_email" => $importer["email"],
1682 "uid" => $importer["importer_uid"],
1684 "source_name" => $msg["from-name"],
1685 "source_link" => $importer["url"],
1686 "source_photo" => $importer["thumb"],
1687 "verb" => ACTIVITY_POST,
1691 notification($notif_params);
1693 logger("Mail is processed, notification was sent.");
1697 * @brief Processes the suggestion elements
1699 * @param object $xpath XPath object
1700 * @param object $suggestion suggestion elements
1701 * @param array $importer Record of the importer user mixed with contact of the content
1702 * @todo Find good type-hints for all parameter
1704 private static function process_suggestion($xpath, $suggestion, $importer) {
1707 logger("Processing suggestions");
1709 /// @TODO Rewrite this to one statement
1711 $suggest["uid"] = $importer["importer_uid"];
1712 $suggest["cid"] = $importer["id"];
1713 $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue;
1714 $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue;
1715 $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue;
1716 $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue;
1717 $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue;
1719 // Does our member already have a friend matching this description?
1721 $r = q("SELECT `id` FROM `contact` WHERE `name` = '%s' AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
1722 dbesc($suggest["name"]),
1723 dbesc(normalise_link($suggest["url"])),
1724 intval($suggest["uid"])
1728 * The valid result means the friend we're about to send a friend
1729 * suggestion already has them in their contact, which means no further
1730 * action is required.
1732 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1734 if (dbm::is_result($r)) {
1738 // Do we already have an fcontact record for this person?
1741 $r = q("SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1742 dbesc($suggest["url"]),
1743 dbesc($suggest["name"]),
1744 dbesc($suggest["request"])
1746 if (dbm::is_result($r)) {
1749 // OK, we do. Do we already have an introduction for this person ?
1750 $r = q("SELECT `id` FROM `intro` WHERE `uid` = %d AND `fid` = %d LIMIT 1",
1751 intval($suggest["uid"]),
1756 * The valid result means the friend we're about to send a friend
1757 * suggestion already has them in their contact, which means no further
1758 * action is required.
1760 * @see https://github.com/friendica/friendica/pull/3254#discussion_r107315246
1762 if (dbm::is_result($r)) {
1767 $r = q("INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')",
1768 dbesc($suggest["name"]),
1769 dbesc($suggest["url"]),
1770 dbesc($suggest["photo"]),
1771 dbesc($suggest["request"])
1774 $r = q("SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1775 dbesc($suggest["url"]),
1776 dbesc($suggest["name"]),
1777 dbesc($suggest["request"])
1781 * If no record in fcontact is found, below INSERT statement will not
1782 * link an introduction to it.
1784 if (!dbm::is_result($r)) {
1785 // database record did not get created. Quietly give up.
1791 $hash = random_string();
1793 $r = q("INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`)
1794 VALUES(%d, %d, %d, '%s', '%s', '%s', %d)",
1795 intval($suggest["uid"]),
1797 intval($suggest["cid"]),
1798 dbesc($suggest["body"]),
1800 dbesc(datetime_convert()),
1805 "type" => NOTIFY_SUGGEST,
1806 "notify_flags" => $importer["notify-flags"],
1807 "language" => $importer["language"],
1808 "to_name" => $importer["username"],
1809 "to_email" => $importer["email"],
1810 "uid" => $importer["importer_uid"],
1812 "link" => System::baseUrl()."/notifications/intros",
1813 "source_name" => $importer["name"],
1814 "source_link" => $importer["url"],
1815 "source_photo" => $importer["photo"],
1816 "verb" => ACTIVITY_REQ_FRIEND,
1825 * @brief Processes the relocation elements
1827 * @param object $xpath XPath object
1828 * @param object $relocation relocation elements
1829 * @param array $importer Record of the importer user mixed with contact of the content
1830 * @todo Find good type-hints for all parameter
1832 private static function process_relocation($xpath, $relocation, $importer) {
1834 logger("Processing relocations");
1836 /// @TODO Rewrite this to one statement
1837 $relocate = array();
1838 $relocate["uid"] = $importer["importer_uid"];
1839 $relocate["cid"] = $importer["id"];
1840 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1841 $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue;
1842 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1843 $relocate["avatar"] = $xpath->query("dfrn:avatar/text()", $relocation)->item(0)->nodeValue;
1844 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1845 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1846 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1847 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1848 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1849 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1850 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1851 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1853 if (($relocate["avatar"] == "") && ($relocate["photo"] != "")) {
1854 $relocate["avatar"] = $relocate["photo"];
1857 if ($relocate["addr"] == "") {
1858 $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]);
1862 $r = q("SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;",
1863 intval($importer["id"]),
1864 intval($importer["importer_uid"]));
1866 if (!dbm::is_result($r)) {
1867 logger("Query failed to execute, no result returned in " . __FUNCTION__);
1873 // Update the gcontact entry
1874 $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]);
1876 $x = q("UPDATE `gcontact` SET
1885 WHERE `nurl` = '%s';",
1886 dbesc($relocate["name"]),
1887 dbesc($relocate["avatar"]),
1888 dbesc($relocate["url"]),
1889 dbesc(normalise_link($relocate["url"])),
1890 dbesc($relocate["addr"]),
1891 dbesc($relocate["addr"]),
1892 dbesc($relocate["notify"]),
1893 dbesc($relocate["server_url"]),
1894 dbesc(normalise_link($old["url"])));
1896 // Update the contact table. We try to find every entry.
1897 $x = q("UPDATE `contact` SET
1907 `site-pubkey` = '%s'
1908 WHERE (`id` = %d AND `uid` = %d) OR (`nurl` = '%s');",
1909 dbesc($relocate["name"]),
1910 dbesc($relocate["avatar"]),
1911 dbesc($relocate["url"]),
1912 dbesc(normalise_link($relocate["url"])),
1913 dbesc($relocate["addr"]),
1914 dbesc($relocate["request"]),
1915 dbesc($relocate["confirm"]),
1916 dbesc($relocate["notify"]),
1917 dbesc($relocate["poll"]),
1918 dbesc($relocate["sitepubkey"]),
1919 intval($importer["id"]),
1920 intval($importer["importer_uid"]),
1921 dbesc(normalise_link($old["url"])));
1923 update_contact_avatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true);
1930 /// @todo This is an extreme performance killer
1932 'owner-link' => array($old["url"], $relocate["url"]),
1933 'author-link' => array($old["url"], $relocate["url"]),
1934 //'owner-avatar' => array($old["photo"], $relocate["photo"]),
1935 //'author-avatar' => array($old["photo"], $relocate["photo"]),
1937 foreach ($fields as $n=>$f) {
1938 $r = q("SELECT `id` FROM `item` WHERE `%s` = '%s' AND `uid` = %d LIMIT 1",
1940 intval($importer["importer_uid"]));
1942 if (dbm::is_result($r)) {
1943 $x = q("UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
1946 intval($importer["importer_uid"]));
1955 /// merge with current record, current contents have priority
1956 /// update record, set url-updated
1957 /// update profile photos
1958 /// schedule a scan?
1963 * @brief Updates an item
1965 * @param array $current the current item record
1966 * @param array $item the new item record
1967 * @param array $importer Record of the importer user mixed with contact of the content
1968 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
1969 * @todo set proper type-hints (array?)
1971 private static function update_content($current, $item, $importer, $entrytype) {
1974 if (edited_timestamp_is_newer($current, $item)) {
1976 // do not accept (ignore) an earlier edit than one we currently have.
1977 if (datetime_convert("UTC","UTC",$item["edited"]) < $current["edited"]) {
1981 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `edited` = '%s', `changed` = '%s' WHERE `uri` = '%s' AND `uid` IN (0, %d)",
1982 dbesc($item["title"]),
1983 dbesc($item["body"]),
1984 dbesc($item["tag"]),
1985 dbesc(datetime_convert("UTC","UTC",$item["edited"])),
1986 dbesc(datetime_convert()),
1987 dbesc($item["uri"]),
1988 intval($importer["importer_uid"])
1990 create_tags_from_itemuri($item["uri"], $importer["importer_uid"]);
1991 update_thread_uri($item["uri"], $importer["importer_uid"]);
1995 if ($entrytype == DFRN_REPLY_RC) {
1996 proc_run(PRIORITY_HIGH, "include/notifier.php","comment-import", $current["id"]);
2000 // update last-child if it changes
2001 if ($item["last-child"] && ($item["last-child"] != $current["last-child"])) {
2002 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2003 dbesc(datetime_convert()),
2004 dbesc($item["parent-uri"]),
2005 intval($importer["importer_uid"])
2007 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2008 intval($item["last-child"]),
2009 dbesc(datetime_convert()),
2010 dbesc($item["uri"]),
2011 intval($importer["importer_uid"])
2018 * @brief Detects the entry type of the item
2020 * @param array $importer Record of the importer user mixed with contact of the content
2021 * @param array $item the new item record
2023 * @return int Is it a toplevel entry, a comment or a relayed comment?
2024 * @todo set proper type-hints (array?)
2026 private static function get_entry_type($importer, $item) {
2027 if ($item["parent-uri"] != $item["uri"]) {
2030 if ($importer["page-flags"] == PAGE_COMMUNITY || $importer["page-flags"] == PAGE_PRVGROUP) {
2033 logger("possible community action");
2035 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
2038 // was the top-level post for this action written by somebody on this site?
2039 // Specifically, the recipient?
2041 $is_a_remote_action = false;
2043 $r = q("SELECT `item`.`parent-uri` FROM `item`
2044 WHERE `item`.`uri` = '%s'
2046 dbesc($item["parent-uri"])
2048 if (dbm::is_result($r)) {
2049 $r = q("SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
2050 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
2051 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
2052 AND `item`.`uid` = %d
2055 dbesc($r[0]["parent-uri"]),
2056 dbesc($r[0]["parent-uri"]),
2057 dbesc($r[0]["parent-uri"]),
2058 intval($importer["importer_uid"])
2060 if (dbm::is_result($r)) {
2061 $is_a_remote_action = true;
2066 * Does this have the characteristics of a community or private group action?
2067 * If it's an action to a wall post on a community/prvgroup page it's a
2068 * valid community action. Also forum_mode makes it valid for sure.
2069 * If neither, it's not.
2072 /// @TODO Maybe merge these if() blocks into one?
2073 if ($is_a_remote_action && $community && (!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
2074 $is_a_remote_action = false;
2075 logger("not a community action");
2078 if ($is_a_remote_action) {
2079 return DFRN_REPLY_RC;
2084 return DFRN_TOP_LEVEL;
2090 * @brief Send a "poke"
2092 * @param array $item the new item record
2093 * @param array $importer Record of the importer user mixed with contact of the content
2094 * @param int $posted_id The record number of item record that was just posted
2095 * @todo set proper type-hints (array?)
2097 private static function do_poke($item, $importer, $posted_id) {
2098 $verb = urldecode(substr($item["verb"],strpos($item["verb"], "#")+1));
2102 $xo = parse_xml_string($item["object"],false);
2104 if (($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) {
2106 // somebody was poked/prodded. Was it me?
2107 foreach ($xo->link as $l) {
2108 $atts = $l->attributes();
2109 switch ($atts["rel"]) {
2111 $Blink = $atts["href"];
2118 if ($Blink && link_compare($Blink, System::baseUrl() . "/profile/" . $importer["nickname"])) {
2120 // send a notification
2122 "type" => NOTIFY_POKE,
2123 "notify_flags" => $importer["notify-flags"],
2124 "language" => $importer["language"],
2125 "to_name" => $importer["username"],
2126 "to_email" => $importer["email"],
2127 "uid" => $importer["importer_uid"],
2129 "link" => System::baseUrl()."/display/".urlencode(get_item_guid($posted_id)),
2130 "source_name" => stripslashes($item["author-name"]),
2131 "source_link" => $item["author-link"],
2132 "source_photo" => ((link_compare($item["author-link"],$importer["url"]))
2133 ? $importer["thumb"] : $item["author-avatar"]),
2134 "verb" => $item["verb"],
2135 "otype" => "person",
2136 "activity" => $verb,
2137 "parent" => $item["parent"]
2144 * @brief Processes several actions, depending on the verb
2146 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
2147 * @param array $importer Record of the importer user mixed with contact of the content
2148 * @param array $item the new item record
2149 * @param bool $is_like Is the verb a "like"?
2151 * @return bool Should the processing of the entries be continued?
2152 * @todo set proper type-hints (array?)
2154 private static function process_verbs($entrytype, $importer, &$item, &$is_like) {
2156 logger("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, LOGGER_DEBUG);
2158 if (($entrytype == DFRN_TOP_LEVEL)) {
2159 // The filling of the the "contact" variable is done for legcy reasons
2160 // The functions below are partly used by ostatus.php as well - where we have this variable
2161 $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"]));
2163 $nickname = $contact["nick"];
2165 // Big question: Do we need these functions? They were part of the "consume_feed" function.
2166 // This function once was responsible for DFRN and OStatus.
2167 if (activity_match($item["verb"], ACTIVITY_FOLLOW)) {
2168 logger("New follower");
2169 new_follower($importer, $contact, $item, $nickname);
2172 if (activity_match($item["verb"], ACTIVITY_UNFOLLOW)) {
2173 logger("Lost follower");
2174 lose_follower($importer, $contact, $item);
2177 if (activity_match($item["verb"], ACTIVITY_REQ_FRIEND)) {
2178 logger("New friend request");
2179 new_follower($importer, $contact, $item, $nickname, true);
2182 if (activity_match($item["verb"], ACTIVITY_UNFRIEND)) {
2183 logger("Lost sharer");
2184 lose_sharer($importer, $contact, $item);
2188 if (($item["verb"] == ACTIVITY_LIKE)
2189 || ($item["verb"] == ACTIVITY_DISLIKE)
2190 || ($item["verb"] == ACTIVITY_ATTEND)
2191 || ($item["verb"] == ACTIVITY_ATTENDNO)
2192 || ($item["verb"] == ACTIVITY_ATTENDMAYBE)) {
2194 $item["type"] = "activity";
2195 $item["gravity"] = GRAVITY_LIKE;
2196 // only one like or dislike per person
2197 // splitted into two queries for performance issues
2198 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `parent-uri` = '%s' AND NOT `deleted` LIMIT 1",
2199 intval($item["uid"]),
2200 dbesc($item["author-link"]),
2201 dbesc($item["verb"]),
2202 dbesc($item["parent-uri"])
2204 if (dbm::is_result($r)) {
2208 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `thr-parent` = '%s' AND NOT `deleted` LIMIT 1",
2209 intval($item["uid"]),
2210 dbesc($item["author-link"]),
2211 dbesc($item["verb"]),
2212 dbesc($item["parent-uri"])
2214 if (dbm::is_result($r)) {
2221 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2223 $xo = parse_xml_string($item["object"],false);
2224 $xt = parse_xml_string($item["target"],false);
2226 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2227 $r = q("SELECT `id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2229 intval($importer["importer_uid"])
2232 if (!dbm::is_result($r)) {
2233 logger("Query failed to execute, no result returned in " . __FUNCTION__);
2237 // extract tag, if not duplicate, add to parent item
2239 if (!(stristr($r[0]["tag"],trim($xo->content)))) {
2240 q("UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2241 dbesc($r[0]["tag"] . (strlen($r[0]["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]'),
2244 create_tags_from_item($r[0]["id"]);
2254 * @brief Processes the link elements
2256 * @param object $links link elements
2257 * @param array $item the item record
2258 * @todo set proper type-hints
2260 private static function parse_links($links, &$item) {
2266 foreach ($links AS $link) {
2267 foreach ($link->attributes AS $attributes) {
2268 /// @TODO Rewrite these repeated (same) if () statements to a switch()
2269 if ($attributes->name == "href") {
2270 $href = $attributes->textContent;
2272 if ($attributes->name == "rel") {
2273 $rel = $attributes->textContent;
2275 if ($attributes->name == "type") {
2276 $type = $attributes->textContent;
2278 if ($attributes->name == "length") {
2279 $length = $attributes->textContent;
2281 if ($attributes->name == "title") {
2282 $title = $attributes->textContent;
2285 if (($rel != "") && ($href != "")) {
2288 $item["plink"] = $href;
2292 if (strlen($item["attach"])) {
2293 $item["attach"] .= ",";
2296 $item["attach"] .= '[attach]href="' . $href . '" length="' . $length . '" type="' . $type . '" title="' . $title . '"[/attach]';
2304 * @brief Processes the entry elements which contain the items and comments
2306 * @param array $header Array of the header elements that always stay the same
2307 * @param object $xpath XPath object
2308 * @param object $entry entry elements
2309 * @param array $importer Record of the importer user mixed with contact of the content
2310 * @todo Add type-hints
2312 private static function process_entry($header, $xpath, $entry, $importer, $xml) {
2314 logger("Processing entries");
2318 $item["protocol"] = PROTOCOL_DFRN;
2320 $item["source"] = $xml;
2323 $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue;
2325 $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue;
2327 $current = q("SELECT `id`, `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2328 dbesc($item["uri"]),
2329 intval($importer["importer_uid"])
2332 // Is there an existing item?
2333 if (dbm::is_result($current) && edited_timestamp_is_newer($current[0], $item) &&
2334 (datetime_convert("UTC","UTC",$item["edited"]) < $current[0]["edited"])) {
2335 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2340 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true);
2342 $item["owner-name"] = $owner["name"];
2343 $item["owner-link"] = $owner["link"];
2344 $item["owner-avatar"] = $owner["avatar"];
2347 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true);
2349 $item["author-name"] = $author["name"];
2350 $item["author-link"] = $author["link"];
2351 $item["author-avatar"] = $author["avatar"];
2353 $item["title"] = $xpath->query("atom:title/text()", $entry)->item(0)->nodeValue;
2355 $item["created"] = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2357 $item["body"] = $xpath->query("dfrn:env/text()", $entry)->item(0)->nodeValue;
2358 $item["body"] = str_replace(array(' ',"\t","\r","\n"), array('','','',''),$item["body"]);
2359 // make sure nobody is trying to sneak some html tags by us
2360 $item["body"] = notags(base64url_decode($item["body"]));
2362 $item["body"] = limit_body_size($item["body"]);
2364 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
2365 if ((strpos($item['body'],'<') !== false) && (strpos($item['body'],'>') !== false)) {
2367 $item['body'] = reltoabs($item['body'],$base_url);
2369 $item['body'] = html2bb_video($item['body']);
2371 $item['body'] = oembed_html2bbcode($item['body']);
2373 $config = HTMLPurifier_Config::createDefault();
2374 $config->set('Cache.DefinitionImpl', null);
2376 // we shouldn't need a whitelist, because the bbcode converter
2377 // will strip out any unsupported tags.
2379 $purifier = new HTMLPurifier($config);
2380 $item['body'] = $purifier->purify($item['body']);
2382 $item['body'] = @html2bbcode($item['body']);
2385 /// @todo We should check for a repeated post and if we know the repeated author.
2387 // We don't need the content element since "dfrn:env" is always present
2388 //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue;
2390 $item["last-child"] = $xpath->query("dfrn:comment-allow/text()", $entry)->item(0)->nodeValue;
2391 $item["location"] = $xpath->query("dfrn:location/text()", $entry)->item(0)->nodeValue;
2393 $georsspoint = $xpath->query("georss:point", $entry);
2395 $item["coord"] = $georsspoint->item(0)->nodeValue;
2398 $item["private"] = $xpath->query("dfrn:private/text()", $entry)->item(0)->nodeValue;
2400 $item["extid"] = $xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue;
2402 if ($xpath->query("dfrn:bookmark/text()", $entry)->item(0)->nodeValue == "true") {
2403 $item["bookmark"] = true;
2406 $notice_info = $xpath->query("statusnet:notice_info", $entry);
2407 if ($notice_info && ($notice_info->length > 0)) {
2408 foreach ($notice_info->item(0)->attributes AS $attributes) {
2409 if ($attributes->name == "source") {
2410 $item["app"] = strip_tags($attributes->textContent);
2415 $item["guid"] = $xpath->query("dfrn:diaspora_guid/text()", $entry)->item(0)->nodeValue;
2417 // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "item_store"
2418 $dsprsig = unxmlify($xpath->query("dfrn:diaspora_signature/text()", $entry)->item(0)->nodeValue);
2419 if ($dsprsig != "") {
2420 $item["dsprsig"] = $dsprsig;
2423 $item["verb"] = $xpath->query("activity:verb/text()", $entry)->item(0)->nodeValue;
2425 if ($xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue != "") {
2426 $item["object-type"] = $xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue;
2429 $object = $xpath->query("activity:object", $entry)->item(0);
2430 $item["object"] = self::transform_activity($xpath, $object, "object");
2432 if (trim($item["object"]) != "") {
2433 $r = parse_xml_string($item["object"], false);
2434 if (isset($r->type)) {
2435 $item["object-type"] = $r->type;
2439 $target = $xpath->query("activity:target", $entry)->item(0);
2440 $item["target"] = self::transform_activity($xpath, $target, "target");
2442 $categories = $xpath->query("atom:category", $entry);
2444 foreach ($categories AS $category) {
2447 foreach ($category->attributes AS $attributes) {
2448 if ($attributes->name == "term") {
2449 $term = $attributes->textContent;
2452 if ($attributes->name == "scheme") {
2453 $scheme = $attributes->textContent;
2457 if (($term != "") && ($scheme != "")) {
2458 $parts = explode(":", $scheme);
2459 if ((count($parts) >= 4) && (array_shift($parts) == "X-DFRN")) {
2460 $termhash = array_shift($parts);
2461 $termurl = implode(":", $parts);
2463 if (strlen($item["tag"])) {
2464 $item["tag"] .= ",";
2467 $item["tag"] .= $termhash . "[url=" . $termurl . "]" . $term . "[/url]";
2475 $links = $xpath->query("atom:link", $entry);
2477 self::parse_links($links, $item);
2480 $item['conversation-uri'] = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
2482 $conv = $xpath->query('ostatus:conversation', $entry);
2483 if (is_object($conv->item(0))) {
2484 foreach ($conv->item(0)->attributes AS $attributes) {
2485 if ($attributes->name == "ref") {
2486 $item['conversation-uri'] = $attributes->textContent;
2488 if ($attributes->name == "href") {
2489 $item['conversation-href'] = $attributes->textContent;
2494 // Is it a reply or a top level posting?
2495 $item["parent-uri"] = $item["uri"];
2497 $inreplyto = $xpath->query("thr:in-reply-to", $entry);
2498 if (is_object($inreplyto->item(0))) {
2499 foreach ($inreplyto->item(0)->attributes AS $attributes) {
2500 if ($attributes->name == "ref") {
2501 $item["parent-uri"] = $attributes->textContent;
2506 // Get the type of the item (Top level post, reply or remote reply)
2507 $entrytype = self::get_entry_type($importer, $item);
2509 // Now assign the rest of the values that depend on the type of the message
2510 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2511 if (!isset($item["object-type"])) {
2512 $item["object-type"] = ACTIVITY_OBJ_COMMENT;
2515 if ($item["contact-id"] != $owner["contact-id"]) {
2516 $item["contact-id"] = $owner["contact-id"];
2519 if (($item["network"] != $owner["network"]) && ($owner["network"] != "")) {
2520 $item["network"] = $owner["network"];
2523 if ($item["contact-id"] != $author["contact-id"]) {
2524 $item["contact-id"] = $author["contact-id"];
2527 if (($item["network"] != $author["network"]) && ($author["network"] != "")) {
2528 $item["network"] = $author["network"];
2531 /// @TODO maybe remove this old-lost code then?
2532 // This code was taken from the old DFRN code
2533 // When activated, forums don't work.
2534 // And: Why should we disallow commenting by followers?
2535 // the behaviour is now similar to the Diaspora part.
2536 //if ($importer["rel"] == CONTACT_IS_FOLLOWER) {
2537 // logger("Contact ".$importer["id"]." is only follower. Quitting", LOGGER_DEBUG);
2542 if ($entrytype == DFRN_REPLY_RC) {
2543 $item["type"] = "remote-comment";
2545 } elseif ($entrytype == DFRN_TOP_LEVEL) {
2546 if (!isset($item["object-type"])) {
2547 $item["object-type"] = ACTIVITY_OBJ_NOTE;
2551 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2552 logger("Item ".$item["uri"]." seems to contain an event.", LOGGER_DEBUG);
2553 $ev = bbtoevent($item["body"]);
2554 if ((x($ev, "desc") || x($ev, "summary")) && x($ev, "start")) {
2555 logger("Event in item ".$item["uri"]." was found.", LOGGER_DEBUG);
2556 /// @TODO Mixure of "/' ahead ...
2557 $ev["cid"] = $importer["id"];
2558 $ev["uid"] = $importer["uid"];
2559 $ev["uri"] = $item["uri"];
2560 $ev["edited"] = $item["edited"];
2561 $ev['private'] = $item['private'];
2562 $ev["guid"] = $item["guid"];
2564 $r = q("SELECT `id` FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2565 dbesc($item["uri"]),
2566 intval($importer["uid"])
2568 if (dbm::is_result($r)) {
2569 $ev["id"] = $r[0]["id"];
2572 $event_id = event_store($ev);
2573 logger("Event ".$event_id." was stored", LOGGER_DEBUG);
2579 if (!self::process_verbs($entrytype, $importer, $item, $is_like)) {
2580 logger("Exiting because 'process_verbs' told us so", LOGGER_DEBUG);
2584 // Update content if 'updated' changes
2585 if (dbm::is_result($current)) {
2586 if (self::update_content($r[0], $item, $importer, $entrytype)) {
2587 logger("Item ".$item["uri"]." was updated.", LOGGER_DEBUG);
2589 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2594 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2595 $posted_id = item_store($item);
2600 logger("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, LOGGER_DEBUG);
2602 $item["id"] = $posted_id;
2604 $r = q("SELECT `parent`, `parent-uri` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
2606 intval($importer["importer_uid"])
2608 if (dbm::is_result($r)) {
2609 $parent = $r[0]["parent"];
2610 $parent_uri = $r[0]["parent-uri"];
2614 $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
2615 dbesc(datetime_convert()),
2616 intval($importer["importer_uid"]),
2617 intval($r[0]["parent"])
2620 $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d",
2621 dbesc(datetime_convert()),
2622 intval($importer["importer_uid"]),
2627 if ($posted_id && $parent && ($entrytype == DFRN_REPLY_RC)) {
2628 logger("Notifying followers about comment ".$posted_id, LOGGER_DEBUG);
2629 proc_run(PRIORITY_HIGH, "include/notifier.php", "comment-import", $posted_id);
2634 } else { // $entrytype == DFRN_TOP_LEVEL
2635 if (!link_compare($item["owner-link"],$importer["url"])) {
2637 * The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
2638 * but otherwise there's a possible data mixup on the sender's system.
2639 * the tgroup delivery code called from item_store will correct it if it's a forum,
2640 * but we're going to unconditionally correct it here so that the post will always be owned by our contact.
2642 logger('Correcting item owner.', LOGGER_DEBUG);
2643 $item["owner-name"] = $importer["senderName"];
2644 $item["owner-link"] = $importer["url"];
2645 $item["owner-avatar"] = $importer["thumb"];
2648 if (($importer["rel"] == CONTACT_IS_FOLLOWER) && (!tgroup_check($importer["importer_uid"], $item))) {
2649 logger("Contact ".$importer["id"]." is only follower and tgroup check was negative.", LOGGER_DEBUG);
2653 // This is my contact on another system, but it's really me.
2654 // Turn this into a wall post.
2655 $notify = item_is_remote_self($importer, $item);
2657 $posted_id = item_store($item, false, $notify);
2659 logger("Item was stored with id ".$posted_id, LOGGER_DEBUG);
2661 if (stristr($item["verb"],ACTIVITY_POKE))
2662 self::do_poke($item, $importer, $posted_id);
2667 * @brief Deletes items
2669 * @param object $xpath XPath object
2670 * @param object $deletion deletion elements
2671 * @param array $importer Record of the importer user mixed with contact of the content
2672 * @todo set proper type-hints
2674 private static function process_deletion($xpath, $deletion, $importer) {
2676 logger("Processing deletions");
2678 foreach ($deletion->attributes AS $attributes) {
2679 if ($attributes->name == "ref") {
2680 $uri = $attributes->textContent;
2682 if ($attributes->name == "when") {
2683 $when = $attributes->textContent;
2687 $when = datetime_convert("UTC", "UTC", $when, "Y-m-d H:i:s");
2689 $when = datetime_convert("UTC", "UTC", "now", "Y-m-d H:i:s");
2692 if (!$uri || !$importer["id"]) {
2696 /// @todo Only select the used fields
2697 $r = q("SELECT `item`.*, `contact`.`self` FROM `item` INNER JOIN `contact` on `item`.`contact-id` = `contact`.`id`
2698 WHERE `uri` = '%s' AND `item`.`uid` = %d AND `contact-id` = %d AND NOT `item`.`file` LIKE '%%[%%' LIMIT 1",
2700 intval($importer["uid"]),
2701 intval($importer["id"])
2703 if (!dbm::is_result($r)) {
2704 logger("Item with uri " . $uri . " from contact " . $importer["id"] . " for user " . $importer["uid"] . " wasn't found.", LOGGER_DEBUG);
2710 $entrytype = self::get_entry_type($importer, $item);
2712 if (!$item["deleted"]) {
2713 logger('deleting item '.$item["id"].' uri='.$uri, LOGGER_DEBUG);
2718 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2719 logger("Deleting event ".$item["event-id"], LOGGER_DEBUG);
2720 event_delete($item["event-id"]);
2723 if (($item["verb"] == ACTIVITY_TAG) && ($item["object-type"] == ACTIVITY_OBJ_TAGTERM)) {
2725 $xo = parse_xml_string($item["object"],false);
2726 $xt = parse_xml_string($item["target"],false);
2728 if ($xt->type == ACTIVITY_OBJ_NOTE) {
2729 $i = q("SELECT `id`, `contact-id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2731 intval($importer["importer_uid"])
2733 if (dbm::is_result($i)) {
2735 // For tags, the owner cannot remove the tag on the author's copy of the post.
2737 $owner_remove = (($item["contact-id"] == $i[0]["contact-id"]) ? true: false);
2738 $author_remove = (($item["origin"] && $item["self"]) ? true : false);
2739 $author_copy = (($item["origin"]) ? true : false);
2741 if ($owner_remove && $author_copy) {
2744 if ($author_remove || $owner_remove) {
2745 $tags = explode(',',$i[0]["tag"]);
2748 foreach ($tags as $tag) {
2749 if (trim($tag) !== trim($xo->body)) {
2750 $newtags[] = trim($tag);
2754 q("UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2755 dbesc(implode(',', $newtags)),
2758 create_tags_from_item($i[0]["id"]);
2764 if ($entrytype == DFRN_TOP_LEVEL) {
2765 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2766 `body` = '', `title` = ''
2767 WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2769 dbesc(datetime_convert()),
2771 intval($importer["uid"])
2773 create_tags_from_itemuri($uri, $importer["uid"]);
2774 create_files_from_itemuri($uri, $importer["uid"]);
2775 update_thread_uri($uri, $importer["uid"]);
2777 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2778 `body` = '', `title` = ''
2779 WHERE `uri` = '%s' AND `uid` IN (0, %d)",
2781 dbesc(datetime_convert()),
2783 intval($importer["uid"])
2785 create_tags_from_itemuri($uri, $importer["uid"]);
2786 create_files_from_itemuri($uri, $importer["uid"]);
2787 update_thread_uri($uri, $importer["importer_uid"]);
2788 if ($item["last-child"]) {
2789 // ensure that last-child is set in case the comment that had it just got wiped.
2790 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` IN (0, %d)",
2791 dbesc(datetime_convert()),
2792 dbesc($item["parent-uri"]),
2793 intval($item["uid"])
2795 // who is the last child now?
2796 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `moderated` = 0 AND `uid` = %d
2797 ORDER BY `created` DESC LIMIT 1",
2798 dbesc($item["parent-uri"]),
2799 intval($importer["uid"])
2801 if (dbm::is_result($r)) {
2802 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d",
2807 // if this is a relayed delete, propagate it to other recipients
2809 if ($entrytype == DFRN_REPLY_RC) {
2810 logger("Notifying followers about deletion of post " . $item["id"], LOGGER_DEBUG);
2811 proc_run(PRIORITY_HIGH, "include/notifier.php","drop", $item["id"]);
2818 * @brief Imports a DFRN message
2820 * @param text $xml The DFRN message
2821 * @param array $importer Record of the importer user mixed with contact of the content
2822 * @param bool $sort_by_date Is used when feeds are polled
2823 * @return integer Import status
2824 * @todo set proper type-hints
2826 public static function import($xml, $importer, $sort_by_date = false) {
2832 $doc = new DOMDocument();
2833 @$doc->loadXML($xml);
2835 $xpath = new DomXPath($doc);
2836 $xpath->registerNamespace("atom", NAMESPACE_ATOM1);
2837 $xpath->registerNamespace("thr", NAMESPACE_THREAD);
2838 $xpath->registerNamespace("at", NAMESPACE_TOMB);
2839 $xpath->registerNamespace("media", NAMESPACE_MEDIA);
2840 $xpath->registerNamespace("dfrn", NAMESPACE_DFRN);
2841 $xpath->registerNamespace("activity", NAMESPACE_ACTIVITY);
2842 $xpath->registerNamespace("georss", NAMESPACE_GEORSS);
2843 $xpath->registerNamespace("poco", NAMESPACE_POCO);
2844 $xpath->registerNamespace("ostatus", NAMESPACE_OSTATUS);
2845 $xpath->registerNamespace("statusnet", NAMESPACE_STATUSNET);
2848 $header["uid"] = $importer["uid"];
2849 $header["network"] = NETWORK_DFRN;
2850 $header["type"] = "remote";
2851 $header["wall"] = 0;
2852 $header["origin"] = 0;
2853 $header["contact-id"] = $importer["id"];
2855 // Update the contact table if the data has changed
2857 // The "atom:author" is only present in feeds
2858 if ($xpath->query("/atom:feed/atom:author")->length > 0) {
2859 self::fetchauthor($xpath, $doc->firstChild, $importer, "atom:author", false, $xml);
2862 // Only the "dfrn:owner" in the head section contains all data
2863 if ($xpath->query("/atom:feed/dfrn:owner")->length > 0) {
2864 self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false, $xml);
2867 logger("Import DFRN message for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);
2869 // The account type is new since 3.5.1
2870 if ($xpath->query("/atom:feed/dfrn:account_type")->length > 0) {
2871 $accounttype = intval($xpath->evaluate("/atom:feed/dfrn:account_type/text()", $context)->item(0)->nodeValue);
2873 if ($accounttype != $importer["contact-type"]) {
2874 dba::update('contact', array('contact-type' => $accounttype), array('id' => $importer["id"]));
2878 // is it a public forum? Private forums aren't supported with this method
2879 // This is deprecated since 3.5.1
2880 $forum = intval($xpath->evaluate("/atom:feed/dfrn:community/text()", $context)->item(0)->nodeValue);
2882 if ($forum != $importer["forum"]) {
2883 $condition = array('`forum` != ? AND `id` = ?', $forum, $importer["id"]);
2884 dba::update('contact', array('forum' => $forum), $condition);
2887 // We are processing relocations even if we are ignoring a contact
2888 $relocations = $xpath->query("/atom:feed/dfrn:relocate");
2889 foreach ($relocations AS $relocation) {
2890 self::process_relocation($xpath, $relocation, $importer);
2893 if ($importer["readonly"]) {
2894 // We aren't receiving stuff from this person. But we will quietly ignore them
2895 // rather than a blatant "go away" message.
2896 logger('ignoring contact '.$importer["id"]);
2900 $mails = $xpath->query("/atom:feed/dfrn:mail");
2901 foreach ($mails AS $mail) {
2902 self::process_mail($xpath, $mail, $importer);
2905 $suggestions = $xpath->query("/atom:feed/dfrn:suggest");
2906 foreach ($suggestions AS $suggestion) {
2907 self::process_suggestion($xpath, $suggestion, $importer);
2910 $deletions = $xpath->query("/atom:feed/at:deleted-entry");
2911 foreach ($deletions AS $deletion) {
2912 self::process_deletion($xpath, $deletion, $importer);
2915 if (!$sort_by_date) {
2916 $entries = $xpath->query("/atom:feed/atom:entry");
2917 foreach ($entries AS $entry) {
2918 self::process_entry($header, $xpath, $entry, $importer, $xml);
2921 $newentries = array();
2922 $entries = $xpath->query("/atom:feed/atom:entry");
2923 foreach ($entries AS $entry) {
2924 $created = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2925 $newentries[strtotime($created)] = $entry;
2928 // Now sort after the publishing date
2931 foreach ($newentries AS $entry) {
2932 self::process_entry($header, $xpath, $entry, $importer, $xml);
2935 logger("Import done for user " . $importer["uid"] . " from contact " . $importer["id"], LOGGER_DEBUG);