3 * @file include/dfrn.php
4 * @brief The implementation of the dfrn protocol
6 * https://github.com/friendica/friendica/wiki/Protocol
9 require_once("include/Contact.php");
10 require_once("include/ostatus.php");
11 require_once("include/enotify.php");
12 require_once("include/threads.php");
13 require_once("include/socgraph.php");
14 require_once("include/items.php");
15 require_once("include/tags.php");
16 require_once("include/files.php");
17 require_once("include/event.php");
18 require_once("include/text.php");
19 require_once("include/oembed.php");
20 require_once("include/html2bbcode.php");
21 require_once("library/HTMLPurifier.auto.php");
24 * @brief This class contain functions to create and send DFRN XML files
29 const DFRN_TOP_LEVEL = 0; // Top level posting
30 const DFRN_REPLY = 1; // Regular reply that is stored locally
31 const DFRN_REPLY_RC = 2; // Reply that will be relayed
34 * @brief Generates the atom entries for delivery.php
36 * This function is used whenever content is transmitted via DFRN.
38 * @param array $items Item elements
39 * @param array $owner Owner record
41 * @return string DFRN entries
43 public static function entries($items,$owner) {
45 $doc = new DOMDocument('1.0', 'utf-8');
46 $doc->formatOutput = true;
48 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
51 return trim($doc->saveXML());
53 foreach($items as $item) {
54 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
55 $root->appendChild($entry);
58 return(trim($doc->saveXML()));
62 * @brief Generate an atom feed for the given user
64 * This function is called when another server is pulling data from the user feed.
66 * @param string $dfrn_id DFRN ID from the requesting party
67 * @param string $owner_nick Owner nick name
68 * @param string $last_update Date of the last update
69 * @param int $direction Can be -1, 0 or 1.
71 * @return string DFRN feed entries
73 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0) {
77 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
78 $public_feed = (($dfrn_id) ? false : true);
79 $starred = false; // not yet implemented, possible security issues
82 if($public_feed && $a->argc > 2) {
83 for($x = 2; $x < $a->argc; $x++) {
84 if($a->argv[$x] == 'converse')
86 if($a->argv[$x] == 'starred')
88 if($a->argv[$x] === 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1]))
89 $category = $a->argv[$x+1];
95 // default permissions - anonymous user
97 $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
99 $r = q("SELECT `contact`.*, `user`.`uid` AS `user_uid`, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
100 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
101 WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1",
109 $owner_id = $owner['user_uid'];
110 $owner_nick = $owner['nickname'];
112 $sql_post_table = "";
120 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
124 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
125 $my_id = '1:' . $dfrn_id;
128 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
129 $my_id = '0:' . $dfrn_id;
136 $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1",
144 require_once('include/security.php');
145 $groups = init_groups_visitor($contact['id']);
148 for($x = 0; $x < count($groups); $x ++)
149 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
150 $gs = implode('|', $groups);
152 $gs = '<<>>' ; // Impossible to match
154 $sql_extra = sprintf("
155 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
156 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
157 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
158 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
160 intval($contact['id']),
161 intval($contact['id']),
172 $date_field = "`changed`";
173 $sql_order = "`item`.`parent` ".$sort.", `item`.`created` ASC";
175 if(! strlen($last_update))
176 $last_update = 'now -30 days';
178 if(isset($category)) {
179 $sql_post_table = sprintf("INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
180 dbesc(protect_sprintf($category)), intval(TERM_OBJ_POST), intval(TERM_CATEGORY), intval($owner_id));
181 //$sql_extra .= file_tag_file_query('item',$category,'category');
186 $sql_extra .= " AND `contact`.`self` = 1 ";
189 $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
191 // AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' )
192 // dbesc($check_date),
194 $r = q("SELECT STRAIGHT_JOIN `item`.*, `item`.`id` AS `item_id`,
195 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
196 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
197 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
198 `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`,
199 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
200 FROM `item` $sql_post_table
201 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
202 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
203 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
204 WHERE `item`.`uid` = %d AND `item`.`visible` = 1 and `item`.`moderated` = 0 AND `item`.`parent` != 0
205 AND ((`item`.`wall` = 1) $visibility) AND `item`.$date_field > '%s'
207 ORDER BY $sql_order LIMIT 0, 300",
213 // Will check further below if this actually returned results.
214 // We will provide an empty feed if that is the case.
218 $doc = new DOMDocument('1.0', 'utf-8');
219 $doc->formatOutput = true;
221 $alternatelink = $owner['url'];
224 $alternatelink .= "/category/".$category;
227 $author = "dfrn:owner";
231 $root = self::add_header($doc, $owner, $author, $alternatelink, true);
233 // This hook can't work anymore
234 // call_hooks('atom_feed', $atom);
236 if(! count($items)) {
237 $atom = trim($doc->saveXML());
239 call_hooks('atom_feed_end', $atom);
244 foreach($items as $item) {
246 // prevent private email from leaking.
247 if($item['network'] === NETWORK_MAIL)
250 // public feeds get html, our own nodes use bbcode
254 // catch any email that's in a public conversation and make sure it doesn't leak
260 $entry = self::entry($doc, $type, $item, $owner, true);
261 $root->appendChild($entry);
265 $atom = trim($doc->saveXML());
267 call_hooks('atom_feed_end', $atom);
273 * @brief Create XML text for DFRN mails
275 * @param array $item message elements
276 * @param array $owner Owner record
278 * @return string DFRN mail
280 public static function mail($item, $owner) {
281 $doc = new DOMDocument('1.0', 'utf-8');
282 $doc->formatOutput = true;
284 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
286 $mail = $doc->createElement("dfrn:mail");
287 $sender = $doc->createElement("dfrn:sender");
289 xml_add_element($doc, $sender, "dfrn:name", $owner['name']);
290 xml_add_element($doc, $sender, "dfrn:uri", $owner['url']);
291 xml_add_element($doc, $sender, "dfrn:avatar", $owner['thumb']);
293 $mail->appendChild($sender);
295 xml_add_element($doc, $mail, "dfrn:id", $item['uri']);
296 xml_add_element($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
297 xml_add_element($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME));
298 xml_add_element($doc, $mail, "dfrn:subject", $item['title']);
299 xml_add_element($doc, $mail, "dfrn:content", $item['body']);
301 $root->appendChild($mail);
303 return(trim($doc->saveXML()));
307 * @brief Create XML text for DFRN friend suggestions
309 * @param array $item suggestion elements
310 * @param array $owner Owner record
312 * @return string DFRN suggestions
314 public static function fsuggest($item, $owner) {
315 $doc = new DOMDocument('1.0', 'utf-8');
316 $doc->formatOutput = true;
318 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
320 $suggest = $doc->createElement("dfrn:suggest");
322 xml_add_element($doc, $suggest, "dfrn:url", $item['url']);
323 xml_add_element($doc, $suggest, "dfrn:name", $item['name']);
324 xml_add_element($doc, $suggest, "dfrn:photo", $item['photo']);
325 xml_add_element($doc, $suggest, "dfrn:request", $item['request']);
326 xml_add_element($doc, $suggest, "dfrn:note", $item['note']);
328 $root->appendChild($suggest);
330 return(trim($doc->saveXML()));
334 * @brief Create XML text for DFRN relocations
336 * @param array $owner Owner record
337 * @param int $uid User ID
339 * @return string DFRN relocations
341 public static function relocate($owner, $uid) {
343 /* get site pubkey. this could be a new installation with no site keys*/
344 $pubkey = get_config('system','site_pubkey');
346 $res = new_keypair(1024);
347 set_config('system','site_prvkey', $res['prvkey']);
348 set_config('system','site_pubkey', $res['pubkey']);
351 $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
352 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
354 $ext = Photo::supportedTypes();
357 $photos[$p['scale']] = app::get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
361 $doc = new DOMDocument('1.0', 'utf-8');
362 $doc->formatOutput = true;
364 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
366 $relocate = $doc->createElement("dfrn:relocate");
368 xml_add_element($doc, $relocate, "dfrn:url", $owner['url']);
369 xml_add_element($doc, $relocate, "dfrn:name", $owner['name']);
370 xml_add_element($doc, $relocate, "dfrn:photo", $photos[4]);
371 xml_add_element($doc, $relocate, "dfrn:thumb", $photos[5]);
372 xml_add_element($doc, $relocate, "dfrn:micro", $photos[6]);
373 xml_add_element($doc, $relocate, "dfrn:request", $owner['request']);
374 xml_add_element($doc, $relocate, "dfrn:confirm", $owner['confirm']);
375 xml_add_element($doc, $relocate, "dfrn:notify", $owner['notify']);
376 xml_add_element($doc, $relocate, "dfrn:poll", $owner['poll']);
377 xml_add_element($doc, $relocate, "dfrn:sitepubkey", get_config('system','site_pubkey'));
379 $root->appendChild($relocate);
381 return(trim($doc->saveXML()));
385 * @brief Adds the header elements for the DFRN protocol
387 * @param object $doc XML document
388 * @param array $owner Owner record
389 * @param string $authorelement Element name for the author
390 * @param string $alternatelink link to profile or category
391 * @param bool $public Is it a header for public posts?
393 * @return object XML root object
395 private function add_header($doc, $owner, $authorelement, $alternatelink = "", $public = false) {
397 if ($alternatelink == "")
398 $alternatelink = $owner['url'];
400 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
401 $doc->appendChild($root);
403 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
404 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
405 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
406 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
407 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
408 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
409 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
410 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
411 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
413 xml_add_element($doc, $root, "id", app::get_baseurl()."/profile/".$owner["nick"]);
414 xml_add_element($doc, $root, "title", $owner["name"]);
416 $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
417 xml_add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
419 $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/");
420 xml_add_element($doc, $root, "link", "", $attributes);
422 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink);
423 xml_add_element($doc, $root, "link", "", $attributes);
427 // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
428 ostatus_hublinks($doc, $root);
430 $attributes = array("rel" => "salmon", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
431 xml_add_element($doc, $root, "link", "", $attributes);
433 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
434 xml_add_element($doc, $root, "link", "", $attributes);
436 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
437 xml_add_element($doc, $root, "link", "", $attributes);
440 if ($owner['page-flags'] == PAGE_COMMUNITY)
441 xml_add_element($doc, $root, "dfrn:community", 1);
443 /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP"
445 xml_add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
447 $author = self::add_author($doc, $owner, $authorelement, $public);
448 $root->appendChild($author);
454 * @brief Adds the author element in the header for the DFRN protocol
456 * @param object $doc XML document
457 * @param array $owner Owner record
458 * @param string $authorelement Element name for the author
460 * @return object XML author object
462 private function add_author($doc, $owner, $authorelement, $public) {
464 $author = $doc->createElement($authorelement);
466 $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00' , ATOM_TIME);
467 $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
468 $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
470 $attributes = array("dfrn:updated" => $namdate);
471 xml_add_element($doc, $author, "name", $owner["name"], $attributes);
473 $attributes = array("dfrn:updated" => $namdate);
474 xml_add_element($doc, $author, "uri", app::get_baseurl().'/profile/'.$owner["nickname"], $attributes);
476 $attributes = array("dfrn:updated" => $namdate);
477 xml_add_element($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
479 $attributes = array("rel" => "photo", "type" => "image/jpeg", "dfrn:updated" => $picdate,
480 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
481 xml_add_element($doc, $author, "link", "", $attributes);
483 $attributes = array("rel" => "avatar", "type" => "image/jpeg", "dfrn:updated" => $picdate,
484 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
485 xml_add_element($doc, $author, "link", "", $attributes);
487 $birthday = feed_birthday($owner['user_uid'], $owner['timezone']);
490 xml_add_element($doc, $author, "dfrn:birthday", $birthday);
492 // The following fields will only be generated if this isn't for a public feed
496 // Only show contact details when we are allowed to
497 $r = q("SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`, `user`.`timezone`,
498 `profile`.`locality`, `profile`.`region`, `profile`.`country-name`, `profile`.`pub_keywords`, `profile`.`dob`
500 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
501 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
502 intval($owner['user_uid']));
505 xml_add_element($doc, $author, "poco:displayName", $profile["name"]);
506 xml_add_element($doc, $author, "poco:updated", $namdate);
508 if (trim($profile["dob"]) != "0000-00-00")
509 xml_add_element($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
511 xml_add_element($doc, $author, "poco:note", $profile["about"]);
512 xml_add_element($doc, $author, "poco:preferredUsername", $profile["nickname"]);
514 $savetz = date_default_timezone_get();
515 date_default_timezone_set($profile["timezone"]);
516 xml_add_element($doc, $author, "poco:utcOffset", date("P"));
517 date_default_timezone_set($savetz);
519 if (trim($profile["homepage"]) != "") {
520 $urls = $doc->createElement("poco:urls");
521 xml_add_element($doc, $urls, "poco:type", "homepage");
522 xml_add_element($doc, $urls, "poco:value", $profile["homepage"]);
523 xml_add_element($doc, $urls, "poco:primary", "true");
524 $author->appendChild($urls);
527 if (trim($profile["pub_keywords"]) != "") {
528 $keywords = explode(",", $profile["pub_keywords"]);
530 foreach ($keywords AS $keyword)
531 xml_add_element($doc, $author, "poco:tags", trim($keyword));
535 /// @todo When we are having the XMPP address in the profile we should propagate it here
537 if (trim($xmpp) != "") {
538 $ims = $doc->createElement("poco:ims");
539 xml_add_element($doc, $ims, "poco:type", "xmpp");
540 xml_add_element($doc, $ims, "poco:value", $xmpp);
541 xml_add_element($doc, $ims, "poco:primary", "true");
542 $author->appendChild($ims);
545 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
546 $element = $doc->createElement("poco:address");
548 xml_add_element($doc, $element, "poco:formatted", formatted_location($profile));
550 if (trim($profile["locality"]) != "")
551 xml_add_element($doc, $element, "poco:locality", $profile["locality"]);
553 if (trim($profile["region"]) != "")
554 xml_add_element($doc, $element, "poco:region", $profile["region"]);
556 if (trim($profile["country-name"]) != "")
557 xml_add_element($doc, $element, "poco:country", $profile["country-name"]);
559 $author->appendChild($element);
567 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
569 * @param object $doc XML document
570 * @param string $element Element name for the author
571 * @param string $contact_url Link of the contact
572 * @param array $items Item elements
574 * @return object XML author object
576 private function add_entry_author($doc, $element, $contact_url, $item) {
578 $contact = get_contact_details_by_url($contact_url, $item["uid"]);
580 $author = $doc->createElement($element);
581 xml_add_element($doc, $author, "name", $contact["name"]);
582 xml_add_element($doc, $author, "uri", $contact["url"]);
583 xml_add_element($doc, $author, "dfrn:handle", $contact["addr"]);
586 /// - Check real image type and image size
587 /// - Check which of these boths elements we should use
590 "type" => "image/jpeg",
592 "media:height" => 80,
593 "href" => $contact["photo"]);
594 xml_add_element($doc, $author, "link", "", $attributes);
598 "type" => "image/jpeg",
600 "media:height" => 80,
601 "href" => $contact["photo"]);
602 xml_add_element($doc, $author, "link", "", $attributes);
608 * @brief Adds the activity elements
610 * @param object $doc XML document
611 * @param string $element Element name for the activity
612 * @param string $activity activity value
614 * @return object XML activity object
616 private function create_activity($doc, $element, $activity) {
619 $entry = $doc->createElement($element);
621 $r = parse_xml_string($activity, false);
625 xml_add_element($doc, $entry, "activity:object-type", $r->type);
627 xml_add_element($doc, $entry, "id", $r->id);
629 xml_add_element($doc, $entry, "title", $r->title);
631 if(substr($r->link,0,1) === '<') {
632 if(strstr($r->link,'&') && (! strstr($r->link,'&')))
633 $r->link = str_replace('&','&', $r->link);
635 $r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link);
637 // XML does need a single element as root element so we add a dummy element here
638 $data = parse_xml_string("<dummy>".$r->link."</dummy>", false);
639 if (is_object($data)) {
640 foreach ($data->link AS $link) {
641 $attributes = array();
642 foreach ($link->attributes() AS $parameter => $value)
643 $attributes[$parameter] = $value;
644 xml_add_element($doc, $entry, "link", "", $attributes);
648 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link);
649 xml_add_element($doc, $entry, "link", "", $attributes);
653 xml_add_element($doc, $entry, "content", bbcode($r->content), array("type" => "html"));
662 * @brief Adds the elements for attachments
664 * @param object $doc XML document
665 * @param object $root XML root
666 * @param array $item Item element
668 * @return object XML attachment object
670 private function get_attachment($doc, $root, $item) {
671 $arr = explode('[/attach],',$item['attach']);
673 foreach($arr as $r) {
675 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches);
677 $attributes = array("rel" => "enclosure",
678 "href" => $matches[1],
679 "type" => $matches[3]);
681 if(intval($matches[2]))
682 $attributes["length"] = intval($matches[2]);
684 if(trim($matches[4]) != "")
685 $attributes["title"] = trim($matches[4]);
687 xml_add_element($doc, $root, "link", "", $attributes);
694 * @brief Adds the "entry" elements for the DFRN protocol
696 * @param object $doc XML document
697 * @param string $type "text" or "html"
698 * @param array $item Item element
699 * @param array $owner Owner record
700 * @param bool $comment Trigger the sending of the "comment" element
701 * @param int $cid Contact ID of the recipient
703 * @return object XML entry object
705 private function entry($doc, $type, $item, $owner, $comment = false, $cid = 0) {
707 $mentioned = array();
712 if($item['deleted']) {
713 $attributes = array("ref" => $item['uri'], "when" => datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME));
714 return xml_create_element($doc, "at:deleted-entry", "", $attributes);
717 $entry = $doc->createElement("entry");
719 if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid'])
720 $body = fix_private_photos($item['body'],$owner['uid'],$item,$cid);
722 $body = $item['body'];
724 if ($type == 'html') {
727 if ($item['title'] != "")
728 $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody;
730 $htmlbody = bbcode($htmlbody, false, false, 7);
733 $author = self::add_entry_author($doc, "author", $item["author-link"], $item);
734 $entry->appendChild($author);
736 $dfrnowner = self::add_entry_author($doc, "dfrn:owner", $item["owner-link"], $item);
737 $entry->appendChild($dfrnowner);
739 if(($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
740 $parent = q("SELECT `guid` FROM `item` WHERE `id` = %d", intval($item["parent"]));
741 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
742 $attributes = array("ref" => $parent_item, "type" => "text/html",
743 "href" => app::get_baseurl().'/display/'.$parent[0]['guid'],
744 "dfrn:diaspora_guid" => $parent[0]['guid']);
745 xml_add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
748 xml_add_element($doc, $entry, "id", $item["uri"]);
749 xml_add_element($doc, $entry, "title", $item["title"]);
751 xml_add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
752 xml_add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
754 // "dfrn:env" is used to read the content
755 xml_add_element($doc, $entry, "dfrn:env", base64url_encode($body, true));
757 // The "content" field is not read by the receiver. We could remove it when the type is "text"
758 // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
759 xml_add_element($doc, $entry, "content", (($type === 'html') ? $htmlbody : $body), array("type" => $type));
761 // We save this value in "plink". Maybe we should read it from there as well?
762 xml_add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
763 "href" => app::get_baseurl()."/display/".$item["guid"]));
765 // "comment-allow" is some old fashioned stuff for old Friendica versions.
766 // It is included in the rewritten code for completeness
768 xml_add_element($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
770 if($item['location'])
771 xml_add_element($doc, $entry, "dfrn:location", $item['location']);
774 xml_add_element($doc, $entry, "georss:point", $item['coord']);
776 if(($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid']))
777 xml_add_element($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
780 xml_add_element($doc, $entry, "dfrn:extid", $item['extid']);
782 if($item['bookmark'])
783 xml_add_element($doc, $entry, "dfrn:bookmark", "true");
786 xml_add_element($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
788 xml_add_element($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
790 // The signed text contains the content in Markdown, the sender handle and the signatur for the content
791 // It is needed for relayed comments to Diaspora.
792 if($item['signed_text']) {
793 $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
794 xml_add_element($doc, $entry, "dfrn:diaspora_signature", $sign);
797 xml_add_element($doc, $entry, "activity:verb", construct_verb($item));
799 if ($item['object-type'] != "")
800 xml_add_element($doc, $entry, "activity:object-type", $item['object-type']);
801 elseif ($item['id'] == $item['parent'])
802 xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
804 xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
806 $actobj = self::create_activity($doc, "activity:object", $item['object']);
808 $entry->appendChild($actobj);
810 $actarg = self::create_activity($doc, "activity:target", $item['target']);
812 $entry->appendChild($actarg);
814 $tags = item_getfeedtags($item);
818 if (($type != 'html') OR ($t[0] != "@"))
819 xml_add_element($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]));
825 $mentioned[$t[1]] = $t[1];
827 foreach ($mentioned AS $mention) {
828 $r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
829 intval($owner["uid"]),
830 dbesc(normalise_link($mention)));
831 if ($r[0]["forum"] OR $r[0]["prv"])
832 xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
833 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
834 "href" => $mention));
836 xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
837 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
838 "href" => $mention));
841 self::get_attachment($doc, $entry, $item);
847 * @brief Delivers the atom content to the contacts
849 * @param array $owner Owner record
850 * @param array $contactr Contact record of the receiver
851 * @param string $atom Content that will be transmitted
852 * @param bool $dissolve (to be documented)
854 * @return int Deliver status. -1 means an error.
856 public static function deliver($owner,$contact,$atom, $dissolve = false) {
860 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
862 if($contact['duplex'] && $contact['dfrn-id'])
863 $idtosend = '0:' . $orig_id;
864 if($contact['duplex'] && $contact['issued-id'])
865 $idtosend = '1:' . $orig_id;
868 $rino = get_config('system','rino_encrypt');
869 $rino = intval($rino);
870 // use RINO1 if mcrypt isn't installed and RINO2 was selected
871 if ($rino==2 and !function_exists('mcrypt_create_iv')) $rino=1;
873 logger("Local rino version: ". $rino, LOGGER_DEBUG);
875 $ssl_val = intval(get_config('system','ssl_policy'));
879 case SSL_POLICY_FULL:
880 $ssl_policy = 'full';
882 case SSL_POLICY_SELFSIGN:
883 $ssl_policy = 'self';
885 case SSL_POLICY_NONE:
887 $ssl_policy = 'none';
891 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
893 logger('dfrn_deliver: ' . $url);
895 $xml = fetch_url($url);
897 $curl_stat = $a->get_curl_code();
899 return(-1); // timed out
901 logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
906 if(strpos($xml,'<?xml') === false) {
907 logger('dfrn_deliver: no valid XML returned');
908 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
912 $res = parse_xml_string($xml);
914 if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
915 return (($res->status) ? $res->status : 3);
918 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
919 $challenge = hex2bin((string) $res->challenge);
920 $perm = (($res->perm) ? $res->perm : null);
921 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
922 $rino_remote_version = intval($res->rino);
923 $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0);
925 logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG);
927 if($owner['page-flags'] == PAGE_PRVGROUP)
933 if((($perm == 'rw') && (! intval($contact['writable'])))
934 || (($perm == 'r') && (intval($contact['writable'])))) {
935 q("update contact set writable = %d where id = %d",
936 intval(($perm == 'rw') ? 1 : 0),
937 intval($contact['id'])
939 $contact['writable'] = (string) 1 - intval($contact['writable']);
943 if(($contact['duplex'] && strlen($contact['pubkey']))
944 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
945 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))) {
946 openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
947 openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
949 openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
950 openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
953 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
955 if(strpos($final_dfrn_id,':') == 1)
956 $final_dfrn_id = substr($final_dfrn_id,2);
958 if($final_dfrn_id != $orig_id) {
959 logger('dfrn_deliver: wrong dfrn_id.');
960 // did not decode properly - cannot trust this site
964 $postvars['dfrn_id'] = $idtosend;
965 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
967 $postvars['dissolve'] = '1';
970 if((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
971 $postvars['data'] = $atom;
972 $postvars['perm'] = 'rw';
974 $postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
975 $postvars['perm'] = 'r';
978 $postvars['ssl_policy'] = $ssl_policy;
981 $postvars['page'] = $page;
984 if($rino>0 && $rino_remote_version>0 && (! $dissolve)) {
985 logger('rino version: '. $rino_remote_version);
987 switch($rino_remote_version) {
989 // Deprecated rino version!
990 $key = substr(random_string(),0,16);
991 $data = aes_encrypt($postvars['data'],$key);
994 // RINO 2 based on php-encryption
996 $key = Crypto::createNewRandomKey();
997 } catch (CryptoTestFailed $ex) {
998 logger('Cannot safely create a key');
1000 } catch (CannotPerformOperation $ex) {
1001 logger('Cannot safely create a key');
1005 $data = Crypto::encrypt($postvars['data'], $key);
1006 } catch (CryptoTestFailed $ex) {
1007 logger('Cannot safely perform encryption');
1009 } catch (CannotPerformOperation $ex) {
1010 logger('Cannot safely perform encryption');
1015 logger("rino: invalid requested verision '$rino_remote_version'");
1019 $postvars['rino'] = $rino_remote_version;
1020 $postvars['data'] = bin2hex($data);
1022 #logger('rino: sent key = ' . $key, LOGGER_DEBUG);
1025 if($dfrn_version >= 2.1) {
1026 if(($contact['duplex'] && strlen($contact['pubkey']))
1027 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1028 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey'])))
1030 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
1032 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
1035 if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY))
1036 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
1038 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
1042 logger('md5 rawkey ' . md5($postvars['key']));
1044 $postvars['key'] = bin2hex($postvars['key']);
1048 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA);
1050 $xml = post_url($contact['notify'],$postvars);
1052 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
1054 $curl_stat = $a->get_curl_code();
1055 if((! $curl_stat) || (! strlen($xml)))
1056 return(-1); // timed out
1058 if(($curl_stat == 503) && (stristr($a->get_curl_headers(),'retry-after')))
1061 if(strpos($xml,'<?xml') === false) {
1062 logger('dfrn_deliver: phase 2: no valid XML returned');
1063 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
1067 if($contact['term-date'] != '0000-00-00 00:00:00') {
1068 logger("dfrn_deliver: $url back from the dead - removing mark for death");
1069 require_once('include/Contact.php');
1070 unmark_for_death($contact);
1073 $res = parse_xml_string($xml);
1075 return $res->status;
1079 * @brief Add new birthday event for this person
1081 * @param array $contact Contact record
1082 * @param string $birthday Birthday of the contact
1085 private function birthday_event($contact, $birthday) {
1087 logger("updating birthday: ".$birthday." for contact ".$contact["id"]);
1089 $bdtext = sprintf(t("%s\'s birthday"), $contact["name"]);
1090 $bdtext2 = sprintf(t("Happy Birthday %s"), " [url=".$contact["url"]."]".$contact["name"]."[/url]") ;
1093 $r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`)
1094 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
1095 intval($contact["uid"]),
1096 intval($contact["id"]),
1097 dbesc(datetime_convert()),
1098 dbesc(datetime_convert()),
1099 dbesc(datetime_convert("UTC","UTC", $birthday)),
1100 dbesc(datetime_convert("UTC","UTC", $birthday." + 1 day ")),
1108 * @brief Fetch the author data from head or entry items
1110 * @param object $xpath XPath object
1111 * @param object $context In which context should the data be searched
1112 * @param array $importer Record of the importer user mixed with contact of the content
1113 * @param string $element Element name from which the data is fetched
1114 * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well
1116 * @return Returns an array with relevant data of the author
1118 private function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "") {
1121 $author["name"] = $xpath->evaluate($element."/atom:name/text()", $context)->item(0)->nodeValue;
1122 $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue;
1124 $r = q("SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`,
1125 `name`, `nick`, `about`, `location`, `keywords`, `bdyear`, `bd`
1126 FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
1127 intval($importer["uid"]), dbesc(normalise_link($author["link"])), dbesc(NETWORK_STATUSNET));
1130 $author["contact-id"] = $r[0]["id"];
1131 $author["network"] = $r[0]["network"];
1134 logger("Contact ".$author["link"]." wasn't found for user ".$importer["uid"]." XML: ".$xml, LOGGER_DEBUG);
1136 $author["contact-id"] = $importer["id"];
1137 $author["network"] = $importer["network"];
1141 // Until now we aren't serving different sizes - but maybe later
1142 $avatarlist = array();
1143 // @todo check if "avatar" or "photo" would be the best field in the specification
1144 $avatars = $xpath->query($element."/atom:link[@rel='avatar']", $context);
1145 foreach($avatars AS $avatar) {
1148 foreach($avatar->attributes AS $attributes) {
1149 if ($attributes->name == "href")
1150 $href = $attributes->textContent;
1151 if ($attributes->name == "width")
1152 $width = $attributes->textContent;
1153 if ($attributes->name == "updated")
1154 $contact["avatar-date"] = $attributes->textContent;
1156 if (($width > 0) AND ($href != ""))
1157 $avatarlist[$width] = $href;
1159 if (count($avatarlist) > 0) {
1160 krsort($avatarlist);
1161 $author["avatar"] = current($avatarlist);
1164 if ($r AND !$onlyfetch) {
1165 logger("Check if contact details for contact ".$r[0]["id"]." (".$r[0]["nick"].") have to be updated.", LOGGER_DEBUG);
1167 $poco = array("url" => $contact["url"]);
1169 // When was the last change to name or uri?
1170 $name_element = $xpath->query($element."/atom:name", $context)->item(0);
1171 foreach($name_element->attributes AS $attributes)
1172 if ($attributes->name == "updated")
1173 $poco["name-date"] = $attributes->textContent;
1175 $link_element = $xpath->query($element."/atom:link", $context)->item(0);
1176 foreach($link_element->attributes AS $attributes)
1177 if ($attributes->name == "updated")
1178 $poco["uri-date"] = $attributes->textContent;
1180 // Update contact data
1181 $value = $xpath->evaluate($element."/dfrn:handle/text()", $context)->item(0)->nodeValue;
1183 $poco["addr"] = $value;
1185 $value = $xpath->evaluate($element."/poco:displayName/text()", $context)->item(0)->nodeValue;
1187 $poco["name"] = $value;
1189 $value = $xpath->evaluate($element."/poco:preferredUsername/text()", $context)->item(0)->nodeValue;
1191 $poco["nick"] = $value;
1193 $value = $xpath->evaluate($element."/poco:note/text()", $context)->item(0)->nodeValue;
1195 $poco["about"] = $value;
1197 $value = $xpath->evaluate($element."/poco:address/poco:formatted/text()", $context)->item(0)->nodeValue;
1199 $poco["location"] = $value;
1201 /// @todo Add support for the following fields that we don't support by now in the contact table:
1202 /// - poco:utcOffset
1209 // Save the keywords into the contact table
1211 $tagelements = $xpath->evaluate($element."/poco:tags/text()", $context);
1212 foreach($tagelements AS $tag)
1213 $tags[$tag->nodeValue] = $tag->nodeValue;
1216 $poco["keywords"] = implode(", ", $tags);
1218 // "dfrn:birthday" contains the birthday converted to UTC
1219 $old_bdyear = $contact["bdyear"];
1221 $birthday = $xpath->evaluate($element."/dfrn:birthday/text()", $context)->item(0)->nodeValue;
1223 if (strtotime($birthday) > time()) {
1224 $bd_timestamp = strtotime($birthday);
1226 $poco["bdyear"] = date("Y", $bd_timestamp);
1229 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1230 $value = $xpath->evaluate($element."/poco:birthday/text()", $context)->item(0)->nodeValue;
1232 if (!in_array($value, array("", "0000-00-00"))) {
1233 $bdyear = date("Y");
1234 $value = str_replace("0000", $bdyear, $value);
1236 if (strtotime($value) < time()) {
1237 $value = str_replace($bdyear, $bdyear + 1, $value);
1238 $bdyear = $bdyear + 1;
1241 $poco["bd"] = $value;
1244 $contact = array_merge($contact, $poco);
1246 if ($old_bdyear != $contact["bdyear"])
1247 self::birthday_event($contact, $birthday);
1249 // Get all field names
1251 foreach ($r[0] AS $field => $data)
1252 $fields[$field] = $data;
1254 unset($fields["id"]);
1255 unset($fields["uid"]);
1256 unset($fields["url"]);
1257 unset($fields["avatar-date"]);
1258 unset($fields["name-date"]);
1259 unset($fields["uri-date"]);
1261 // Update check for this field has to be done differently
1262 $datefields = array("name-date", "uri-date");
1263 foreach ($datefields AS $field)
1264 if (strtotime($contact[$field]) > strtotime($r[0][$field])) {
1265 logger("Difference for contact ".$contact["id"]." in field '".$field."'. Old value: '".$contact[$field]."', new value '".$r[0][$field]."'", LOGGER_DEBUG);
1269 foreach ($fields AS $field => $data)
1270 if ($contact[$field] != $r[0][$field]) {
1271 logger("Difference for contact ".$contact["id"]." in field '".$field."'. Old value: '".$contact[$field]."', new value '".$r[0][$field]."'", LOGGER_DEBUG);
1276 logger("Update contact data for contact ".$contact["id"]." (".$contact["nick"].")", LOGGER_DEBUG);
1278 q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s',
1279 `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s',
1280 `name-date` = '%s', `uri-date` = '%s'
1281 WHERE `id` = %d AND `network` = '%s'",
1282 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
1283 dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]),
1284 dbesc($contact["bd"]), dbesc($contact["name-date"]), dbesc($contact["uri-date"]),
1285 intval($contact["id"]), dbesc($contact["network"]));
1288 update_contact_avatar($author["avatar"], $importer["uid"], $contact["id"],
1289 (strtotime($contact["avatar-date"]) > strtotime($r[0]["avatar-date"])));
1291 // The generation is a sign for the reliability of the provided data.
1292 // It is used in the socgraph.php to prevent that old contact data
1293 // that was relayed over several servers can overwrite contact
1294 // data that we received directly.
1296 $poco["generation"] = 2;
1297 $poco["photo"] = $author["avatar"];
1298 update_gcontact($poco);
1305 * @brief Transforms activity objects into an XML string
1307 * @param object $xpath XPath object
1308 * @param object $activity Activity object
1309 * @param text $element element name
1311 * @return string XML string
1313 private function transform_activity($xpath, $activity, $element) {
1314 if (!is_object($activity))
1317 $obj_doc = new DOMDocument("1.0", "utf-8");
1318 $obj_doc->formatOutput = true;
1320 $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element);
1322 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1323 xml_add_element($obj_doc, $obj_element, "type", $activity_type);
1325 $id = $xpath->query("atom:id", $activity)->item(0);
1327 $obj_element->appendChild($obj_doc->importNode($id, true));
1329 $title = $xpath->query("atom:title", $activity)->item(0);
1330 if (is_object($title))
1331 $obj_element->appendChild($obj_doc->importNode($title, true));
1333 $links = $xpath->query("atom:link", $activity);
1334 if (is_object($links))
1335 foreach ($links AS $link)
1336 $obj_element->appendChild($obj_doc->importNode($link, true));
1338 $content = $xpath->query("atom:content", $activity)->item(0);
1339 if (is_object($content))
1340 $obj_element->appendChild($obj_doc->importNode($content, true));
1342 $obj_doc->appendChild($obj_element);
1344 $objxml = $obj_doc->saveXML($obj_element);
1346 // @todo This isn't totally clean. We should find a way to transform the namespaces
1347 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1352 * @brief Processes the mail elements
1354 * @param object $xpath XPath object
1355 * @param object $mail mail elements
1356 * @param array $importer Record of the importer user mixed with contact of the content
1358 private function process_mail($xpath, $mail, $importer) {
1360 logger("Processing mails");
1363 $msg["uid"] = $importer["importer_uid"];
1364 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1365 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1366 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1367 $msg["contact-id"] = $importer["id"];
1368 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1369 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1370 $msg["created"] = $xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue;
1371 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1372 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1374 $msg["replied"] = 0;
1378 $r = dbq("INSERT INTO `mail` (`".implode("`, `", array_keys($msg))."`) VALUES ('".implode("', '", array_values($msg))."')");
1380 // send notifications.
1382 $notif_params = array(
1383 "type" => NOTIFY_MAIL,
1384 "notify_flags" => $importer["notify-flags"],
1385 "language" => $importer["language"],
1386 "to_name" => $importer["username"],
1387 "to_email" => $importer["email"],
1388 "uid" => $importer["importer_uid"],
1390 "source_name" => $msg["from-name"],
1391 "source_link" => $importer["url"],
1392 "source_photo" => $importer["thumb"],
1393 "verb" => ACTIVITY_POST,
1397 notification($notif_params);
1399 logger("Mail is processed, notification was sent.");
1403 * @brief Processes the suggestion elements
1405 * @param object $xpath XPath object
1406 * @param object $suggestion suggestion elements
1407 * @param array $importer Record of the importer user mixed with contact of the content
1409 private function process_suggestion($xpath, $suggestion, $importer) {
1411 logger("Processing suggestions");
1414 $suggest["uid"] = $importer["importer_uid"];
1415 $suggest["cid"] = $importer["id"];
1416 $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue;
1417 $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue;
1418 $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue;
1419 $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue;
1420 $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue;
1422 // Does our member already have a friend matching this description?
1424 $r = q("SELECT `id` FROM `contact` WHERE `name` = '%s' AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
1425 dbesc($suggest["name"]),
1426 dbesc(normalise_link($suggest["url"])),
1427 intval($suggest["uid"])
1432 // Do we already have an fcontact record for this person?
1435 $r = q("SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1436 dbesc($suggest["url"]),
1437 dbesc($suggest["name"]),
1438 dbesc($suggest["request"])
1443 // OK, we do. Do we already have an introduction for this person ?
1444 $r = q("SELECT `id` FROM `intro` WHERE `uid` = %d AND `fid` = %d LIMIT 1",
1445 intval($suggest["uid"]),
1452 $r = q("INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')",
1453 dbesc($suggest["name"]),
1454 dbesc($suggest["url"]),
1455 dbesc($suggest["photo"]),
1456 dbesc($suggest["request"])
1458 $r = q("SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1459 dbesc($suggest["url"]),
1460 dbesc($suggest["name"]),
1461 dbesc($suggest["request"])
1466 // database record did not get created. Quietly give up.
1470 $hash = random_string();
1472 $r = q("INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`)
1473 VALUES(%d, %d, %d, '%s', '%s', '%s', %d)",
1474 intval($suggest["uid"]),
1476 intval($suggest["cid"]),
1477 dbesc($suggest["body"]),
1479 dbesc(datetime_convert()),
1484 "type" => NOTIFY_SUGGEST,
1485 "notify_flags" => $importer["notify-flags"],
1486 "language" => $importer["language"],
1487 "to_name" => $importer["username"],
1488 "to_email" => $importer["email"],
1489 "uid" => $importer["importer_uid"],
1491 "link" => App::get_baseurl()."/notifications/intros",
1492 "source_name" => $importer["name"],
1493 "source_link" => $importer["url"],
1494 "source_photo" => $importer["photo"],
1495 "verb" => ACTIVITY_REQ_FRIEND,
1504 * @brief Processes the relocation elements
1506 * @param object $xpath XPath object
1507 * @param object $relocation relocation elements
1508 * @param array $importer Record of the importer user mixed with contact of the content
1510 private function process_relocation($xpath, $relocation, $importer) {
1512 logger("Processing relocations");
1514 $relocate = array();
1515 $relocate["uid"] = $importer["importer_uid"];
1516 $relocate["cid"] = $importer["id"];
1517 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1518 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1519 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1520 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1521 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1522 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1523 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1524 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1525 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1526 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1529 $r = q("SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;",
1530 intval($importer["id"]),
1531 intval($importer["importer_uid"]));
1537 $x = q("UPDATE `contact` SET
1548 `site-pubkey` = '%s'
1549 WHERE `id` = %d AND `uid` = %d;",
1550 dbesc($relocate["name"]),
1551 dbesc($relocate["photo"]),
1552 dbesc($relocate["thumb"]),
1553 dbesc($relocate["micro"]),
1554 dbesc($relocate["url"]),
1555 dbesc(normalise_link($relocate["url"])),
1556 dbesc($relocate["request"]),
1557 dbesc($relocate["confirm"]),
1558 dbesc($relocate["notify"]),
1559 dbesc($relocate["poll"]),
1560 dbesc($relocate["sitepubkey"]),
1561 intval($importer["id"]),
1562 intval($importer["importer_uid"]));
1569 'owner-link' => array($old["url"], $relocate["url"]),
1570 'author-link' => array($old["url"], $relocate["url"]),
1571 'owner-avatar' => array($old["photo"], $relocate["photo"]),
1572 'author-avatar' => array($old["photo"], $relocate["photo"]),
1574 foreach ($fields as $n=>$f){
1575 $x = q("UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
1578 intval($importer["importer_uid"]));
1584 /// merge with current record, current contents have priority
1585 /// update record, set url-updated
1586 /// update profile photos
1587 /// schedule a scan?
1592 * @brief Updates an item
1594 * @param array $current the current item record
1595 * @param array $item the new item record
1596 * @param array $importer Record of the importer user mixed with contact of the content
1597 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
1599 private function update_content($current, $item, $importer, $entrytype) {
1602 if (edited_timestamp_is_newer($current, $item)) {
1604 // do not accept (ignore) an earlier edit than one we currently have.
1605 if(datetime_convert("UTC","UTC",$item["edited"]) < $current["edited"])
1608 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `edited` = '%s', `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d",
1609 dbesc($item["title"]),
1610 dbesc($item["body"]),
1611 dbesc($item["tag"]),
1612 dbesc(datetime_convert("UTC","UTC",$item["edited"])),
1613 dbesc(datetime_convert()),
1614 dbesc($item["uri"]),
1615 intval($importer["importer_uid"])
1617 create_tags_from_itemuri($item["uri"], $importer["importer_uid"]);
1618 update_thread_uri($item["uri"], $importer["importer_uid"]);
1622 if ($entrytype == DFRN_REPLY_RC)
1623 proc_run("php", "include/notifier.php","comment-import", $current["id"]);
1626 // update last-child if it changes
1627 if($item["last-child"] AND ($item["last-child"] != $current["last-child"])) {
1628 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
1629 dbesc(datetime_convert()),
1630 dbesc($item["parent-uri"]),
1631 intval($importer["importer_uid"])
1633 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d",
1634 intval($item["last-child"]),
1635 dbesc(datetime_convert()),
1636 dbesc($item["uri"]),
1637 intval($importer["importer_uid"])
1644 * @brief Detects the entry type of the item
1646 * @param array $importer Record of the importer user mixed with contact of the content
1647 * @param array $item the new item record
1649 * @return int Is it a toplevel entry, a comment or a relayed comment?
1651 private function get_entry_type($importer, $item) {
1652 if ($item["parent-uri"] != $item["uri"]) {
1655 if($importer["page-flags"] == PAGE_COMMUNITY || $importer["page-flags"] == PAGE_PRVGROUP) {
1658 logger("possible community action");
1660 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
1662 // was the top-level post for this action written by somebody on this site?
1663 // Specifically, the recipient?
1665 $is_a_remote_action = false;
1667 $r = q("SELECT `item`.`parent-uri` FROM `item`
1668 WHERE `item`.`uri` = '%s'
1670 dbesc($item["parent-uri"])
1672 if($r && count($r)) {
1673 $r = q("SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
1674 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
1675 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
1676 AND `item`.`uid` = %d
1679 dbesc($r[0]["parent-uri"]),
1680 dbesc($r[0]["parent-uri"]),
1681 dbesc($r[0]["parent-uri"]),
1682 intval($importer["importer_uid"])
1685 $is_a_remote_action = true;
1688 // Does this have the characteristics of a community or private group action?
1689 // If it's an action to a wall post on a community/prvgroup page it's a
1690 // valid community action. Also forum_mode makes it valid for sure.
1691 // If neither, it's not.
1693 if($is_a_remote_action && $community) {
1694 if((!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
1695 $is_a_remote_action = false;
1696 logger("not a community action");
1700 if ($is_a_remote_action)
1701 return DFRN_REPLY_RC;
1706 return DFRN_TOP_LEVEL;
1711 * @brief Send a "poke"
1713 * @param array $item the new item record
1714 * @param array $importer Record of the importer user mixed with contact of the content
1715 * @param int $posted_id The record number of item record that was just posted
1717 private function do_poke($item, $importer, $posted_id) {
1718 $verb = urldecode(substr($item["verb"],strpos($item["verb"], "#")+1));
1721 $xo = parse_xml_string($item["object"],false);
1723 if(($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) {
1725 // somebody was poked/prodded. Was it me?
1726 foreach($xo->link as $l) {
1727 $atts = $l->attributes();
1728 switch($atts["rel"]) {
1730 $Blink = $atts["href"];
1737 if($Blink && link_compare($Blink,App::get_baseurl()."/profile/".$importer["nickname"])) {
1739 // send a notification
1741 "type" => NOTIFY_POKE,
1742 "notify_flags" => $importer["notify-flags"],
1743 "language" => $importer["language"],
1744 "to_name" => $importer["username"],
1745 "to_email" => $importer["email"],
1746 "uid" => $importer["importer_uid"],
1748 "link" => App::get_baseurl()."/display/".urlencode(get_item_guid($posted_id)),
1749 "source_name" => stripslashes($item["author-name"]),
1750 "source_link" => $item["author-link"],
1751 "source_photo" => ((link_compare($item["author-link"],$importer["url"]))
1752 ? $importer["thumb"] : $item["author-avatar"]),
1753 "verb" => $item["verb"],
1754 "otype" => "person",
1755 "activity" => $verb,
1756 "parent" => $item["parent"]
1763 * @brief Processes several actions, depending on the verb
1765 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
1766 * @param array $importer Record of the importer user mixed with contact of the content
1767 * @param array $item the new item record
1768 * @param bool $is_like Is the verb a "like"?
1770 * @return bool Should the processing of the entries be continued?
1772 private function process_verbs($entrytype, $importer, &$item, &$is_like) {
1773 if (($entrytype == DFRN_TOP_LEVEL)) {
1774 // The filling of the the "contact" variable is done for legcy reasons
1775 // The functions below are partly used by ostatus.php as well - where we have this variable
1776 $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"]));
1778 $nickname = $contact["nick"];
1780 // Big question: Do we need these functions? They were part of the "consume_feed" function.
1781 // This function once was responsible for DFRN and OStatus.
1782 if(activity_match($item["verb"],ACTIVITY_FOLLOW)) {
1783 logger("New follower");
1784 new_follower($importer, $contact, $item, $nickname);
1787 if(activity_match($item["verb"],ACTIVITY_UNFOLLOW)) {
1788 logger("Lost follower");
1789 lose_follower($importer, $contact, $item);
1792 if(activity_match($item["verb"],ACTIVITY_REQ_FRIEND)) {
1793 logger("New friend request");
1794 new_follower($importer, $contact, $item, $nickname, true);
1797 if(activity_match($item["verb"],ACTIVITY_UNFRIEND)) {
1798 logger("Lost sharer");
1799 lose_sharer($importer, $contact, $item);
1803 if(($item["verb"] === ACTIVITY_LIKE)
1804 || ($item["verb"] === ACTIVITY_DISLIKE)
1805 || ($item["verb"] === ACTIVITY_ATTEND)
1806 || ($item["verb"] === ACTIVITY_ATTENDNO)
1807 || ($item["verb"] === ACTIVITY_ATTENDMAYBE)) {
1809 $item["type"] = "activity";
1810 $item["gravity"] = GRAVITY_LIKE;
1811 // only one like or dislike per person
1812 // splitted into two queries for performance issues
1813 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `parent-uri` = '%s' AND NOT `deleted` LIMIT 1",
1814 intval($item["uid"]),
1815 dbesc($item["author-link"]),
1816 dbesc($item["verb"]),
1817 dbesc($item["parent-uri"])
1822 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `thr-parent` = '%s' AND NOT `deleted` LIMIT 1",
1823 intval($item["uid"]),
1824 dbesc($item["author-link"]),
1825 dbesc($item["verb"]),
1826 dbesc($item["parent-uri"])
1833 if(($item["verb"] === ACTIVITY_TAG) && ($item["object-type"] === ACTIVITY_OBJ_TAGTERM)) {
1835 $xo = parse_xml_string($item["object"],false);
1836 $xt = parse_xml_string($item["target"],false);
1838 if($xt->type == ACTIVITY_OBJ_NOTE) {
1839 $r = q("SELECT `id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1841 intval($importer["importer_uid"])
1847 // extract tag, if not duplicate, add to parent item
1849 if(!(stristr($r[0]["tag"],trim($xo->content)))) {
1850 q("UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
1851 dbesc($r[0]["tag"] . (strlen($r[0]["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]'),
1854 create_tags_from_item($r[0]["id"]);
1864 * @brief Processes the link elements
1866 * @param object $links link elements
1867 * @param array $item the item record
1869 private function parse_links($links, &$item) {
1875 foreach ($links AS $link) {
1876 foreach($link->attributes AS $attributes) {
1877 if ($attributes->name == "href")
1878 $href = $attributes->textContent;
1879 if ($attributes->name == "rel")
1880 $rel = $attributes->textContent;
1881 if ($attributes->name == "type")
1882 $type = $attributes->textContent;
1883 if ($attributes->name == "length")
1884 $length = $attributes->textContent;
1885 if ($attributes->name == "title")
1886 $title = $attributes->textContent;
1888 if (($rel != "") AND ($href != ""))
1891 $item["plink"] = $href;
1895 if(strlen($item["attach"]))
1896 $item["attach"] .= ",";
1898 $item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'" title="'.$title.'"[/attach]';
1905 * @brief Processes the entry elements which contain the items and comments
1907 * @param array $header Array of the header elements that always stay the same
1908 * @param object $xpath XPath object
1909 * @param object $entry entry elements
1910 * @param array $importer Record of the importer user mixed with contact of the content
1912 private function process_entry($header, $xpath, $entry, $importer) {
1914 logger("Processing entries");
1919 $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue;
1922 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true);
1924 $item["owner-name"] = $owner["name"];
1925 $item["owner-link"] = $owner["link"];
1926 $item["owner-avatar"] = $owner["avatar"];
1929 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true);
1931 $item["author-name"] = $author["name"];
1932 $item["author-link"] = $author["link"];
1933 $item["author-avatar"] = $author["avatar"];
1935 $item["title"] = $xpath->query("atom:title/text()", $entry)->item(0)->nodeValue;
1937 $item["created"] = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
1938 $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue;
1940 $item["body"] = $xpath->query("dfrn:env/text()", $entry)->item(0)->nodeValue;
1941 $item["body"] = str_replace(array(' ',"\t","\r","\n"), array('','','',''),$item["body"]);
1942 // make sure nobody is trying to sneak some html tags by us
1943 $item["body"] = notags(base64url_decode($item["body"]));
1945 $item["body"] = limit_body_size($item["body"]);
1947 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
1948 if((strpos($item['body'],'<') !== false) && (strpos($item['body'],'>') !== false)) {
1950 $item['body'] = reltoabs($item['body'],$base_url);
1952 $item['body'] = html2bb_video($item['body']);
1954 $item['body'] = oembed_html2bbcode($item['body']);
1956 $config = HTMLPurifier_Config::createDefault();
1957 $config->set('Cache.DefinitionImpl', null);
1959 // we shouldn't need a whitelist, because the bbcode converter
1960 // will strip out any unsupported tags.
1962 $purifier = new HTMLPurifier($config);
1963 $item['body'] = $purifier->purify($item['body']);
1965 $item['body'] = @html2bbcode($item['body']);
1968 /// @todo We should check for a repeated post and if we know the repeated author.
1970 // We don't need the content element since "dfrn:env" is always present
1971 //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue;
1973 $item["last-child"] = $xpath->query("dfrn:comment-allow/text()", $entry)->item(0)->nodeValue;
1974 $item["location"] = $xpath->query("dfrn:location/text()", $entry)->item(0)->nodeValue;
1976 $georsspoint = $xpath->query("georss:point", $entry);
1978 $item["coord"] = $georsspoint->item(0)->nodeValue;
1980 $item["private"] = $xpath->query("dfrn:private/text()", $entry)->item(0)->nodeValue;
1982 $item["extid"] = $xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue;
1984 if ($xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue == "true")
1985 $item["bookmark"] = true;
1987 $notice_info = $xpath->query("statusnet:notice_info", $entry);
1988 if ($notice_info AND ($notice_info->length > 0)) {
1989 foreach($notice_info->item(0)->attributes AS $attributes) {
1990 if ($attributes->name == "source")
1991 $item["app"] = strip_tags($attributes->textContent);
1995 $item["guid"] = $xpath->query("dfrn:diaspora_guid/text()", $entry)->item(0)->nodeValue;
1997 // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "item_store"
1998 $dsprsig = unxmlify($xpath->query("dfrn:diaspora_signature/text()", $entry)->item(0)->nodeValue);
2000 $item["dsprsig"] = $dsprsig;
2002 $item["verb"] = $xpath->query("activity:verb/text()", $entry)->item(0)->nodeValue;
2004 if ($xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue != "")
2005 $item["object-type"] = $xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue;
2007 $object = $xpath->query("activity:object", $entry)->item(0);
2008 $item["object"] = self::transform_activity($xpath, $object, "object");
2010 if (trim($item["object"]) != "") {
2011 $r = parse_xml_string($item["object"], false);
2012 if (isset($r->type))
2013 $item["object-type"] = $r->type;
2016 $target = $xpath->query("activity:target", $entry)->item(0);
2017 $item["target"] = self::transform_activity($xpath, $target, "target");
2019 $categories = $xpath->query("atom:category", $entry);
2021 foreach ($categories AS $category) {
2022 foreach($category->attributes AS $attributes)
2023 if ($attributes->name == "term") {
2024 $term = $attributes->textContent;
2025 if(strlen($item["tag"]))
2026 $item["tag"] .= ",";
2028 $item["tag"] .= "#[url=".App::get_baseurl()."/search?tag=".$term."]".$term."[/url]";
2035 $links = $xpath->query("atom:link", $entry);
2037 self::parse_links($links, $item);
2039 // Is it a reply or a top level posting?
2040 $item["parent-uri"] = $item["uri"];
2042 $inreplyto = $xpath->query("thr:in-reply-to", $entry);
2043 if (is_object($inreplyto->item(0)))
2044 foreach($inreplyto->item(0)->attributes AS $attributes)
2045 if ($attributes->name == "ref")
2046 $item["parent-uri"] = $attributes->textContent;
2048 // Get the type of the item (Top level post, reply or remote reply)
2049 $entrytype = self::get_entry_type($importer, $item);
2051 // Now assign the rest of the values that depend on the type of the message
2052 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2053 if (!isset($item["object-type"]))
2054 $item["object-type"] = ACTIVITY_OBJ_COMMENT;
2056 if ($item["contact-id"] != $owner["contact-id"])
2057 $item["contact-id"] = $owner["contact-id"];
2059 if (($item["network"] != $owner["network"]) AND ($owner["network"] != ""))
2060 $item["network"] = $owner["network"];
2062 if ($item["contact-id"] != $author["contact-id"])
2063 $item["contact-id"] = $author["contact-id"];
2065 if (($item["network"] != $author["network"]) AND ($author["network"] != ""))
2066 $item["network"] = $author["network"];
2068 // This code was taken from the old DFRN code
2069 // When activated, forums don't work.
2070 // And: Why should we disallow commenting by followers?
2071 // the behaviour is now similar to the Diaspora part.
2072 //if($importer["rel"] == CONTACT_IS_FOLLOWER) {
2073 // logger("Contact ".$importer["id"]." is only follower. Quitting", LOGGER_DEBUG);
2078 if ($entrytype == DFRN_REPLY_RC) {
2079 $item["type"] = "remote-comment";
2081 } elseif ($entrytype == DFRN_TOP_LEVEL) {
2082 if (!isset($item["object-type"]))
2083 $item["object-type"] = ACTIVITY_OBJ_NOTE;
2086 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2087 logger("Item ".$item["uri"]." seems to contain an event.", LOGGER_DEBUG);
2088 $ev = bbtoevent($item["body"]);
2089 if((x($ev, "desc") || x($ev, "summary")) && x($ev, "start")) {
2090 logger("Event in item ".$item["uri"]." was found.", LOGGER_DEBUG);
2091 $ev["cid"] = $importer["id"];
2092 $ev["uid"] = $importer["uid"];
2093 $ev["uri"] = $item["uri"];
2094 $ev["edited"] = $item["edited"];
2095 $ev['private'] = $item['private'];
2096 $ev["guid"] = $item["guid"];
2098 $r = q("SELECT `id` FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2099 dbesc($item["uri"]),
2100 intval($importer["uid"])
2103 $ev["id"] = $r[0]["id"];
2105 $event_id = event_store($ev);
2106 logger("Event ".$event_id." was stored", LOGGER_DEBUG);
2112 $r = q("SELECT `id`, `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2113 dbesc($item["uri"]),
2114 intval($importer["importer_uid"])
2117 if (!self::process_verbs($entrytype, $importer, $item, $is_like)) {
2118 logger("Exiting because 'process_verbs' told us so", LOGGER_DEBUG);
2122 // Update content if 'updated' changes
2124 if (self::update_content($r[0], $item, $importer, $entrytype))
2125 logger("Item ".$item["uri"]." was updated.", LOGGER_DEBUG);
2127 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2131 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2132 $posted_id = item_store($item);
2137 logger("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, LOGGER_DEBUG);
2139 $item["id"] = $posted_id;
2141 $r = q("SELECT `parent`, `parent-uri` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
2143 intval($importer["importer_uid"])
2146 $parent = $r[0]["parent"];
2147 $parent_uri = $r[0]["parent-uri"];
2151 $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
2152 dbesc(datetime_convert()),
2153 intval($importer["importer_uid"]),
2154 intval($r[0]["parent"])
2157 $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d",
2158 dbesc(datetime_convert()),
2159 intval($importer["importer_uid"]),
2164 if($posted_id AND $parent AND ($entrytype == DFRN_REPLY_RC)) {
2165 logger("Notifying followers about comment ".$posted_id, LOGGER_DEBUG);
2166 proc_run("php", "include/notifier.php", "comment-import", $posted_id);
2171 } else { // $entrytype == DFRN_TOP_LEVEL
2172 if(!link_compare($item["owner-link"],$importer["url"])) {
2173 // The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
2174 // but otherwise there's a possible data mixup on the sender's system.
2175 // the tgroup delivery code called from item_store will correct it if it's a forum,
2176 // but we're going to unconditionally correct it here so that the post will always be owned by our contact.
2177 logger('Correcting item owner.', LOGGER_DEBUG);
2178 $item["owner-name"] = $importer["senderName"];
2179 $item["owner-link"] = $importer["url"];
2180 $item["owner-avatar"] = $importer["thumb"];
2183 if(($importer["rel"] == CONTACT_IS_FOLLOWER) && (!tgroup_check($importer["importer_uid"], $item))) {
2184 logger("Contact ".$importer["id"]." is only follower and tgroup check was negative.", LOGGER_DEBUG);
2188 // This is my contact on another system, but it's really me.
2189 // Turn this into a wall post.
2190 $notify = item_is_remote_self($importer, $item);
2192 $posted_id = item_store($item, false, $notify);
2194 logger("Item was stored with id ".$posted_id, LOGGER_DEBUG);
2196 if(stristr($item["verb"],ACTIVITY_POKE))
2197 self::do_poke($item, $importer, $posted_id);
2202 * @brief Deletes items
2204 * @param object $xpath XPath object
2205 * @param object $deletion deletion elements
2206 * @param array $importer Record of the importer user mixed with contact of the content
2208 private function process_deletion($xpath, $deletion, $importer) {
2210 logger("Processing deletions");
2212 foreach($deletion->attributes AS $attributes) {
2213 if ($attributes->name == "ref")
2214 $uri = $attributes->textContent;
2215 if ($attributes->name == "when")
2216 $when = $attributes->textContent;
2219 $when = datetime_convert("UTC", "UTC", $when, "Y-m-d H:i:s");
2221 $when = datetime_convert("UTC", "UTC", "now", "Y-m-d H:i:s");
2223 if (!$uri OR !$importer["id"])
2226 /// @todo Only select the used fields
2227 $r = q("SELECT `item`.*, `contact`.`self` FROM `item` INNER JOIN `contact` on `item`.`contact-id` = `contact`.`id`
2228 WHERE `uri` = '%s' AND `item`.`uid` = %d AND `contact-id` = %d AND NOT `item`.`file` LIKE '%%[%%' LIMIT 1",
2230 intval($importer["uid"]),
2231 intval($importer["id"])
2234 logger("Item with uri ".$uri." from contact ".$importer["id"]." for user ".$importer["uid"]." wasn't found.", LOGGER_DEBUG);
2240 $entrytype = self::get_entry_type($importer, $item);
2242 if(!$item["deleted"])
2243 logger('deleting item '.$item["id"].' uri='.$uri, LOGGER_DEBUG);
2247 if($item["object-type"] === ACTIVITY_OBJ_EVENT) {
2248 logger("Deleting event ".$item["event-id"], LOGGER_DEBUG);
2249 event_delete($item["event-id"]);
2252 if(($item["verb"] === ACTIVITY_TAG) && ($item["object-type"] === ACTIVITY_OBJ_TAGTERM)) {
2253 $xo = parse_xml_string($item["object"],false);
2254 $xt = parse_xml_string($item["target"],false);
2255 if($xt->type === ACTIVITY_OBJ_NOTE) {
2256 $i = q("SELECT `id`, `contact-id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2258 intval($importer["importer_uid"])
2262 // For tags, the owner cannot remove the tag on the author's copy of the post.
2264 $owner_remove = (($item["contact-id"] == $i[0]["contact-id"]) ? true: false);
2265 $author_remove = (($item["origin"] && $item["self"]) ? true : false);
2266 $author_copy = (($item["origin"]) ? true : false);
2268 if($owner_remove && $author_copy)
2270 if($author_remove || $owner_remove) {
2271 $tags = explode(',',$i[0]["tag"]);
2274 foreach($tags as $tag)
2275 if(trim($tag) !== trim($xo->body))
2276 $newtags[] = trim($tag);
2278 q("UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2279 dbesc(implode(',',$newtags)),
2282 create_tags_from_item($i[0]["id"]);
2288 if($entrytype == DFRN_TOP_LEVEL) {
2289 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2290 `body` = '', `title` = ''
2291 WHERE `parent-uri` = '%s' AND `uid` = %d",
2293 dbesc(datetime_convert()),
2295 intval($importer["uid"])
2297 create_tags_from_itemuri($uri, $importer["uid"]);
2298 create_files_from_itemuri($uri, $importer["uid"]);
2299 update_thread_uri($uri, $importer["uid"]);
2301 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2302 `body` = '', `title` = ''
2303 WHERE `uri` = '%s' AND `uid` = %d",
2305 dbesc(datetime_convert()),
2307 intval($importer["uid"])
2309 create_tags_from_itemuri($uri, $importer["uid"]);
2310 create_files_from_itemuri($uri, $importer["uid"]);
2311 update_thread_uri($uri, $importer["importer_uid"]);
2312 if($item["last-child"]) {
2313 // ensure that last-child is set in case the comment that had it just got wiped.
2314 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
2315 dbesc(datetime_convert()),
2316 dbesc($item["parent-uri"]),
2317 intval($item["uid"])
2319 // who is the last child now?
2320 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `moderated` = 0 AND `uid` = %d
2321 ORDER BY `created` DESC LIMIT 1",
2322 dbesc($item["parent-uri"]),
2323 intval($importer["uid"])
2326 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d",
2331 // if this is a relayed delete, propagate it to other recipients
2333 if($entrytype == DFRN_REPLY_RC) {
2334 logger("Notifying followers about deletion of post ".$item["id"], LOGGER_DEBUG);
2335 proc_run("php", "include/notifier.php","drop", $item["id"]);
2342 * @brief Imports a DFRN message
2344 * @param text $xml The DFRN message
2345 * @param array $importer Record of the importer user mixed with contact of the content
2346 * @param bool $sort_by_date Is used when feeds are polled
2348 public static function import($xml,$importer, $sort_by_date = false) {
2353 if($importer["readonly"]) {
2354 // We aren't receiving stuff from this person. But we will quietly ignore them
2355 // rather than a blatant "go away" message.
2356 logger('ignoring contact '.$importer["id"]);
2360 $doc = new DOMDocument();
2361 @$doc->loadXML($xml);
2363 $xpath = new DomXPath($doc);
2364 $xpath->registerNamespace("atom", NAMESPACE_ATOM1);
2365 $xpath->registerNamespace("thr", NAMESPACE_THREAD);
2366 $xpath->registerNamespace("at", NAMESPACE_TOMB);
2367 $xpath->registerNamespace("media", NAMESPACE_MEDIA);
2368 $xpath->registerNamespace("dfrn", NAMESPACE_DFRN);
2369 $xpath->registerNamespace("activity", NAMESPACE_ACTIVITY);
2370 $xpath->registerNamespace("georss", NAMESPACE_GEORSS);
2371 $xpath->registerNamespace("poco", NAMESPACE_POCO);
2372 $xpath->registerNamespace("ostatus", NAMESPACE_OSTATUS);
2373 $xpath->registerNamespace("statusnet", NAMESPACE_STATUSNET);
2376 $header["uid"] = $importer["uid"];
2377 $header["network"] = NETWORK_DFRN;
2378 $header["type"] = "remote";
2379 $header["wall"] = 0;
2380 $header["origin"] = 0;
2381 $header["contact-id"] = $importer["id"];
2383 // Update the contact table if the data has changed
2385 // The "atom:author" is only present in feeds
2386 if ($xpath->query("/atom:feed/atom:author")->length > 0)
2387 self::fetchauthor($xpath, $doc->firstChild, $importer, "atom:author", false, $xml);
2389 // Only the "dfrn:owner" in the head section contains all data
2390 if ($xpath->query("/atom:feed/dfrn:owner")->length > 0)
2391 self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false, $xml);
2393 logger("Import DFRN message for user ".$importer["uid"]." from contact ".$importer["id"], LOGGER_DEBUG);
2395 // is it a public forum? Private forums aren't supported by now with this method
2396 $forum = intval($xpath->evaluate("/atom:feed/dfrn:community/text()", $context)->item(0)->nodeValue);
2398 if ($forum != $importer["forum"])
2399 q("UPDATE `contact` SET `forum` = %d WHERE `forum` != %d AND `id` = %d",
2400 intval($forum), intval($forum),
2401 intval($importer["id"])
2404 $mails = $xpath->query("/atom:feed/dfrn:mail");
2405 foreach ($mails AS $mail)
2406 self::process_mail($xpath, $mail, $importer);
2408 $suggestions = $xpath->query("/atom:feed/dfrn:suggest");
2409 foreach ($suggestions AS $suggestion)
2410 self::process_suggestion($xpath, $suggestion, $importer);
2412 $relocations = $xpath->query("/atom:feed/dfrn:relocate");
2413 foreach ($relocations AS $relocation)
2414 self::process_relocation($xpath, $relocation, $importer);
2416 $deletions = $xpath->query("/atom:feed/at:deleted-entry");
2417 foreach ($deletions AS $deletion)
2418 self::process_deletion($xpath, $deletion, $importer);
2420 if (!$sort_by_date) {
2421 $entries = $xpath->query("/atom:feed/atom:entry");
2422 foreach ($entries AS $entry)
2423 self::process_entry($header, $xpath, $entry, $importer);
2425 $newentries = array();
2426 $entries = $xpath->query("/atom:feed/atom:entry");
2427 foreach ($entries AS $entry) {
2428 $created = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2429 $newentries[strtotime($created)] = $entry;
2432 // Now sort after the publishing date
2435 foreach ($newentries AS $entry)
2436 self::process_entry($header, $xpath, $entry, $importer);
2438 logger("Import done for user ".$importer["uid"]." from contact ".$importer["id"], LOGGER_DEBUG);