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");
23 * @brief This class contain functions to create and send DFRN XML files
28 const DFRN_TOP_LEVEL = 0; // Top level posting
29 const DFRN_REPLY = 1; // Regular reply that is stored locally
30 const DFRN_REPLY_RC = 2; // Reply that will be relayed
33 * @brief Generates the atom entries for delivery.php
35 * This function is used whenever content is transmitted via DFRN.
37 * @param array $items Item elements
38 * @param array $owner Owner record
40 * @return string DFRN entries
42 public static function entries($items,$owner) {
44 $doc = new DOMDocument('1.0', 'utf-8');
45 $doc->formatOutput = true;
47 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
50 return trim($doc->saveXML());
52 foreach($items as $item) {
53 $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
54 $root->appendChild($entry);
57 return(trim($doc->saveXML()));
61 * @brief Generate an atom feed for the given user
63 * This function is called when another server is pulling data from the user feed.
65 * @param string $dfrn_id DFRN ID from the requesting party
66 * @param string $owner_nick Owner nick name
67 * @param string $last_update Date of the last update
68 * @param int $direction Can be -1, 0 or 1.
70 * @return string DFRN feed entries
72 public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0) {
76 $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
77 $public_feed = (($dfrn_id) ? false : true);
78 $starred = false; // not yet implemented, possible security issues
81 if($public_feed && $a->argc > 2) {
82 for($x = 2; $x < $a->argc; $x++) {
83 if($a->argv[$x] == 'converse')
85 if($a->argv[$x] == 'starred')
87 if($a->argv[$x] === 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1]))
88 $category = $a->argv[$x+1];
94 // default permissions - anonymous user
96 $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
98 $r = q("SELECT `contact`.*, `user`.`uid` AS `user_uid`, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
99 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
100 WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1",
108 $owner_id = $owner['user_uid'];
109 $owner_nick = $owner['nickname'];
111 $sql_post_table = "";
119 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
123 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
124 $my_id = '1:' . $dfrn_id;
127 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
128 $my_id = '0:' . $dfrn_id;
135 $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1",
143 require_once('include/security.php');
144 $groups = init_groups_visitor($contact['id']);
147 for($x = 0; $x < count($groups); $x ++)
148 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
149 $gs = implode('|', $groups);
151 $gs = '<<>>' ; // Impossible to match
153 $sql_extra = sprintf("
154 AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
155 AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
156 AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
157 AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
159 intval($contact['id']),
160 intval($contact['id']),
171 $date_field = "`changed`";
172 $sql_order = "`item`.`parent` ".$sort.", `item`.`created` ASC";
174 if(! strlen($last_update))
175 $last_update = 'now -30 days';
177 if(isset($category)) {
178 $sql_post_table = sprintf("INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
179 dbesc(protect_sprintf($category)), intval(TERM_OBJ_POST), intval(TERM_CATEGORY), intval($owner_id));
180 //$sql_extra .= file_tag_file_query('item',$category,'category');
185 $sql_extra .= " AND `contact`.`self` = 1 ";
188 $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
190 // AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' )
191 // dbesc($check_date),
193 $r = q("SELECT STRAIGHT_JOIN `item`.*, `item`.`id` AS `item_id`,
194 `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
195 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
196 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
197 `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`,
198 `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
199 FROM `item` $sql_post_table
200 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
201 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
202 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
203 WHERE `item`.`uid` = %d AND `item`.`visible` = 1 and `item`.`moderated` = 0 AND `item`.`parent` != 0
204 AND ((`item`.`wall` = 1) $visibility) AND `item`.$date_field > '%s'
206 ORDER BY $sql_order LIMIT 0, 300",
212 // Will check further below if this actually returned results.
213 // We will provide an empty feed if that is the case.
217 $doc = new DOMDocument('1.0', 'utf-8');
218 $doc->formatOutput = true;
220 $alternatelink = $owner['url'];
223 $alternatelink .= "/category/".$category;
226 $author = "dfrn:owner";
230 $root = self::add_header($doc, $owner, $author, $alternatelink, true);
232 // This hook can't work anymore
233 // call_hooks('atom_feed', $atom);
235 if(! count($items)) {
236 $atom = trim($doc->saveXML());
238 call_hooks('atom_feed_end', $atom);
243 foreach($items as $item) {
245 // prevent private email from leaking.
246 if($item['network'] === NETWORK_MAIL)
249 // public feeds get html, our own nodes use bbcode
253 // catch any email that's in a public conversation and make sure it doesn't leak
259 $entry = self::entry($doc, $type, $item, $owner, true);
260 $root->appendChild($entry);
264 $atom = trim($doc->saveXML());
266 call_hooks('atom_feed_end', $atom);
272 * @brief Create XML text for DFRN mails
274 * @param array $item message elements
275 * @param array $owner Owner record
277 * @return string DFRN mail
279 public static function mail($item, $owner) {
280 $doc = new DOMDocument('1.0', 'utf-8');
281 $doc->formatOutput = true;
283 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
285 $mail = $doc->createElement("dfrn:mail");
286 $sender = $doc->createElement("dfrn:sender");
288 xml_add_element($doc, $sender, "dfrn:name", $owner['name']);
289 xml_add_element($doc, $sender, "dfrn:uri", $owner['url']);
290 xml_add_element($doc, $sender, "dfrn:avatar", $owner['thumb']);
292 $mail->appendChild($sender);
294 xml_add_element($doc, $mail, "dfrn:id", $item['uri']);
295 xml_add_element($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
296 xml_add_element($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME));
297 xml_add_element($doc, $mail, "dfrn:subject", $item['title']);
298 xml_add_element($doc, $mail, "dfrn:content", $item['body']);
300 $root->appendChild($mail);
302 return(trim($doc->saveXML()));
306 * @brief Create XML text for DFRN friend suggestions
308 * @param array $item suggestion elements
309 * @param array $owner Owner record
311 * @return string DFRN suggestions
313 public static function fsuggest($item, $owner) {
314 $doc = new DOMDocument('1.0', 'utf-8');
315 $doc->formatOutput = true;
317 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
319 $suggest = $doc->createElement("dfrn:suggest");
321 xml_add_element($doc, $suggest, "dfrn:url", $item['url']);
322 xml_add_element($doc, $suggest, "dfrn:name", $item['name']);
323 xml_add_element($doc, $suggest, "dfrn:photo", $item['photo']);
324 xml_add_element($doc, $suggest, "dfrn:request", $item['request']);
325 xml_add_element($doc, $suggest, "dfrn:note", $item['note']);
327 $root->appendChild($suggest);
329 return(trim($doc->saveXML()));
333 * @brief Create XML text for DFRN relocations
335 * @param array $owner Owner record
336 * @param int $uid User ID
338 * @return string DFRN relocations
340 public static function relocate($owner, $uid) {
342 /* get site pubkey. this could be a new installation with no site keys*/
343 $pubkey = get_config('system','site_pubkey');
345 $res = new_keypair(1024);
346 set_config('system','site_prvkey', $res['prvkey']);
347 set_config('system','site_pubkey', $res['pubkey']);
350 $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
351 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
353 $ext = Photo::supportedTypes();
356 $photos[$p['scale']] = app::get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
360 $doc = new DOMDocument('1.0', 'utf-8');
361 $doc->formatOutput = true;
363 $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
365 $relocate = $doc->createElement("dfrn:relocate");
367 xml_add_element($doc, $relocate, "dfrn:url", $owner['url']);
368 xml_add_element($doc, $relocate, "dfrn:name", $owner['name']);
369 xml_add_element($doc, $relocate, "dfrn:photo", $photos[4]);
370 xml_add_element($doc, $relocate, "dfrn:thumb", $photos[5]);
371 xml_add_element($doc, $relocate, "dfrn:micro", $photos[6]);
372 xml_add_element($doc, $relocate, "dfrn:request", $owner['request']);
373 xml_add_element($doc, $relocate, "dfrn:confirm", $owner['confirm']);
374 xml_add_element($doc, $relocate, "dfrn:notify", $owner['notify']);
375 xml_add_element($doc, $relocate, "dfrn:poll", $owner['poll']);
376 xml_add_element($doc, $relocate, "dfrn:sitepubkey", get_config('system','site_pubkey'));
378 $root->appendChild($relocate);
380 return(trim($doc->saveXML()));
384 * @brief Adds the header elements for the DFRN protocol
386 * @param object $doc XML document
387 * @param array $owner Owner record
388 * @param string $authorelement Element name for the author
389 * @param string $alternatelink link to profile or category
390 * @param bool $public Is it a header for public posts?
392 * @return object XML root object
394 private function add_header($doc, $owner, $authorelement, $alternatelink = "", $public = false) {
396 if ($alternatelink == "")
397 $alternatelink = $owner['url'];
399 $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
400 $doc->appendChild($root);
402 $root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
403 $root->setAttribute("xmlns:at", NAMESPACE_TOMB);
404 $root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
405 $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN);
406 $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
407 $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
408 $root->setAttribute("xmlns:poco", NAMESPACE_POCO);
409 $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
410 $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
412 xml_add_element($doc, $root, "id", app::get_baseurl()."/profile/".$owner["nick"]);
413 xml_add_element($doc, $root, "title", $owner["name"]);
415 $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
416 xml_add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
418 $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/");
419 xml_add_element($doc, $root, "link", "", $attributes);
421 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink);
422 xml_add_element($doc, $root, "link", "", $attributes);
426 // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed.
427 ostatus_hublinks($doc, $root);
429 $attributes = array("rel" => "salmon", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
430 xml_add_element($doc, $root, "link", "", $attributes);
432 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
433 xml_add_element($doc, $root, "link", "", $attributes);
435 $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
436 xml_add_element($doc, $root, "link", "", $attributes);
439 if ($owner['page-flags'] == PAGE_COMMUNITY)
440 xml_add_element($doc, $root, "dfrn:community", 1);
442 /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP"
444 xml_add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
446 $author = self::add_author($doc, $owner, $authorelement, $public);
447 $root->appendChild($author);
453 * @brief Adds the author element in the header for the DFRN protocol
455 * @param object $doc XML document
456 * @param array $owner Owner record
457 * @param string $authorelement Element name for the author
459 * @return object XML author object
461 private function add_author($doc, $owner, $authorelement, $public) {
463 $author = $doc->createElement($authorelement);
465 $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00' , ATOM_TIME);
466 $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
467 $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
469 $attributes = array("dfrn:updated" => $namdate);
470 xml_add_element($doc, $author, "name", $owner["name"], $attributes);
472 $attributes = array("dfrn:updated" => $namdate);
473 xml_add_element($doc, $author, "uri", app::get_baseurl().'/profile/'.$owner["nickname"], $attributes);
475 $attributes = array("dfrn:updated" => $namdate);
476 xml_add_element($doc, $author, "dfrn:handle", $owner["addr"], $attributes);
478 $attributes = array("rel" => "photo", "type" => "image/jpeg", "dfrn:updated" => $picdate,
479 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
480 xml_add_element($doc, $author, "link", "", $attributes);
482 $attributes = array("rel" => "avatar", "type" => "image/jpeg", "dfrn:updated" => $picdate,
483 "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
484 xml_add_element($doc, $author, "link", "", $attributes);
486 $birthday = feed_birthday($owner['user_uid'], $owner['timezone']);
489 xml_add_element($doc, $author, "dfrn:birthday", $birthday);
491 // The following fields will only be generated if this isn't for a public feed
495 // Only show contact details when we are allowed to
496 $r = q("SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`, `user`.`timezone`,
497 `profile`.`locality`, `profile`.`region`, `profile`.`country-name`, `profile`.`pub_keywords`, `profile`.`dob`
499 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
500 WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
501 intval($owner['user_uid']));
504 xml_add_element($doc, $author, "poco:displayName", $profile["name"]);
505 xml_add_element($doc, $author, "poco:updated", $namdate);
507 if (trim($profile["dob"]) != "0000-00-00")
508 xml_add_element($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
510 xml_add_element($doc, $author, "poco:note", $profile["about"]);
511 xml_add_element($doc, $author, "poco:preferredUsername", $profile["nickname"]);
513 $savetz = date_default_timezone_get();
514 date_default_timezone_set($profile["timezone"]);
515 xml_add_element($doc, $author, "poco:utcOffset", date("P"));
516 date_default_timezone_set($savetz);
518 if (trim($profile["homepage"]) != "") {
519 $urls = $doc->createElement("poco:urls");
520 xml_add_element($doc, $urls, "poco:type", "homepage");
521 xml_add_element($doc, $urls, "poco:value", $profile["homepage"]);
522 xml_add_element($doc, $urls, "poco:primary", "true");
523 $author->appendChild($urls);
526 if (trim($profile["pub_keywords"]) != "") {
527 $keywords = explode(",", $profile["pub_keywords"]);
529 foreach ($keywords AS $keyword)
530 xml_add_element($doc, $author, "poco:tags", trim($keyword));
534 /// @todo When we are having the XMPP address in the profile we should propagate it here
536 if (trim($xmpp) != "") {
537 $ims = $doc->createElement("poco:ims");
538 xml_add_element($doc, $ims, "poco:type", "xmpp");
539 xml_add_element($doc, $ims, "poco:value", $xmpp);
540 xml_add_element($doc, $ims, "poco:primary", "true");
541 $author->appendChild($ims);
544 if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
545 $element = $doc->createElement("poco:address");
547 xml_add_element($doc, $element, "poco:formatted", formatted_location($profile));
549 if (trim($profile["locality"]) != "")
550 xml_add_element($doc, $element, "poco:locality", $profile["locality"]);
552 if (trim($profile["region"]) != "")
553 xml_add_element($doc, $element, "poco:region", $profile["region"]);
555 if (trim($profile["country-name"]) != "")
556 xml_add_element($doc, $element, "poco:country", $profile["country-name"]);
558 $author->appendChild($element);
566 * @brief Adds the author elements in the "entry" elements of the DFRN protocol
568 * @param object $doc XML document
569 * @param string $element Element name for the author
570 * @param string $contact_url Link of the contact
571 * @param array $items Item elements
573 * @return object XML author object
575 private function add_entry_author($doc, $element, $contact_url, $item) {
577 $contact = get_contact_details_by_url($contact_url, $item["uid"]);
579 $author = $doc->createElement($element);
580 xml_add_element($doc, $author, "name", $contact["name"]);
581 xml_add_element($doc, $author, "uri", $contact["url"]);
582 xml_add_element($doc, $author, "dfrn:handle", $contact["addr"]);
585 /// - Check real image type and image size
586 /// - Check which of these boths elements we should use
589 "type" => "image/jpeg",
591 "media:height" => 80,
592 "href" => $contact["photo"]);
593 xml_add_element($doc, $author, "link", "", $attributes);
597 "type" => "image/jpeg",
599 "media:height" => 80,
600 "href" => $contact["photo"]);
601 xml_add_element($doc, $author, "link", "", $attributes);
607 * @brief Adds the activity elements
609 * @param object $doc XML document
610 * @param string $element Element name for the activity
611 * @param string $activity activity value
613 * @return object XML activity object
615 private function create_activity($doc, $element, $activity) {
618 $entry = $doc->createElement($element);
620 $r = parse_xml_string($activity, false);
624 xml_add_element($doc, $entry, "activity:object-type", $r->type);
626 xml_add_element($doc, $entry, "id", $r->id);
628 xml_add_element($doc, $entry, "title", $r->title);
630 if(substr($r->link,0,1) === '<') {
631 if(strstr($r->link,'&') && (! strstr($r->link,'&')))
632 $r->link = str_replace('&','&', $r->link);
634 $r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link);
636 // XML does need a single element as root element so we add a dummy element here
637 $data = parse_xml_string("<dummy>".$r->link."</dummy>", false);
638 if (is_object($data)) {
639 foreach ($data->link AS $link) {
640 $attributes = array();
641 foreach ($link->attributes() AS $parameter => $value)
642 $attributes[$parameter] = $value;
643 xml_add_element($doc, $entry, "link", "", $attributes);
647 $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link);
648 xml_add_element($doc, $entry, "link", "", $attributes);
652 xml_add_element($doc, $entry, "content", bbcode($r->content), array("type" => "html"));
661 * @brief Adds the elements for attachments
663 * @param object $doc XML document
664 * @param object $root XML root
665 * @param array $item Item element
667 * @return object XML attachment object
669 private function get_attachment($doc, $root, $item) {
670 $arr = explode('[/attach],',$item['attach']);
672 foreach($arr as $r) {
674 $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches);
676 $attributes = array("rel" => "enclosure",
677 "href" => $matches[1],
678 "type" => $matches[3]);
680 if(intval($matches[2]))
681 $attributes["length"] = intval($matches[2]);
683 if(trim($matches[4]) != "")
684 $attributes["title"] = trim($matches[4]);
686 xml_add_element($doc, $root, "link", "", $attributes);
693 * @brief Adds the "entry" elements for the DFRN protocol
695 * @param object $doc XML document
696 * @param string $type "text" or "html"
697 * @param array $item Item element
698 * @param array $owner Owner record
699 * @param bool $comment Trigger the sending of the "comment" element
700 * @param int $cid Contact ID of the recipient
702 * @return object XML entry object
704 private function entry($doc, $type, $item, $owner, $comment = false, $cid = 0) {
706 $mentioned = array();
711 if($item['deleted']) {
712 $attributes = array("ref" => $item['uri'], "when" => datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME));
713 return xml_create_element($doc, "at:deleted-entry", "", $attributes);
716 $entry = $doc->createElement("entry");
718 if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid'])
719 $body = fix_private_photos($item['body'],$owner['uid'],$item,$cid);
721 $body = $item['body'];
723 if ($type == 'html') {
726 if ($item['title'] != "")
727 $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody;
729 $htmlbody = bbcode($htmlbody, false, false, 7);
732 $author = self::add_entry_author($doc, "author", $item["author-link"], $item);
733 $entry->appendChild($author);
735 $dfrnowner = self::add_entry_author($doc, "dfrn:owner", $item["owner-link"], $item);
736 $entry->appendChild($dfrnowner);
738 if(($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
739 $parent = q("SELECT `guid` FROM `item` WHERE `id` = %d", intval($item["parent"]));
740 $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
741 $attributes = array("ref" => $parent_item, "type" => "text/html",
742 "href" => app::get_baseurl().'/display/'.$parent[0]['guid'],
743 "dfrn:diaspora_guid" => $parent[0]['guid']);
744 xml_add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
747 xml_add_element($doc, $entry, "id", $item["uri"]);
748 xml_add_element($doc, $entry, "title", $item["title"]);
750 xml_add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
751 xml_add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
753 // "dfrn:env" is used to read the content
754 xml_add_element($doc, $entry, "dfrn:env", base64url_encode($body, true));
756 // The "content" field is not read by the receiver. We could remove it when the type is "text"
757 // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env"
758 xml_add_element($doc, $entry, "content", (($type === 'html') ? $htmlbody : $body), array("type" => $type));
760 // We save this value in "plink". Maybe we should read it from there as well?
761 xml_add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
762 "href" => app::get_baseurl()."/display/".$item["guid"]));
764 // "comment-allow" is some old fashioned stuff for old Friendica versions.
765 // It is included in the rewritten code for completeness
767 xml_add_element($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
769 if($item['location'])
770 xml_add_element($doc, $entry, "dfrn:location", $item['location']);
773 xml_add_element($doc, $entry, "georss:point", $item['coord']);
775 if(($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid']))
776 xml_add_element($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
779 xml_add_element($doc, $entry, "dfrn:extid", $item['extid']);
781 if($item['bookmark'])
782 xml_add_element($doc, $entry, "dfrn:bookmark", "true");
785 xml_add_element($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
787 xml_add_element($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
789 // The signed text contains the content in Markdown, the sender handle and the signatur for the content
790 // It is needed for relayed comments to Diaspora.
791 if($item['signed_text']) {
792 $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
793 xml_add_element($doc, $entry, "dfrn:diaspora_signature", $sign);
796 xml_add_element($doc, $entry, "activity:verb", construct_verb($item));
798 if ($item['object-type'] != "")
799 xml_add_element($doc, $entry, "activity:object-type", $item['object-type']);
800 elseif ($item['id'] == $item['parent'])
801 xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
803 xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT);
805 $actobj = self::create_activity($doc, "activity:object", $item['object']);
807 $entry->appendChild($actobj);
809 $actarg = self::create_activity($doc, "activity:target", $item['target']);
811 $entry->appendChild($actarg);
813 $tags = item_getfeedtags($item);
817 if (($type != 'html') OR ($t[0] != "@"))
818 xml_add_element($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]));
824 $mentioned[$t[1]] = $t[1];
826 foreach ($mentioned AS $mention) {
827 $r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
828 intval($owner["uid"]),
829 dbesc(normalise_link($mention)));
830 if ($r[0]["forum"] OR $r[0]["prv"])
831 xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
832 "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
833 "href" => $mention));
835 xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
836 "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
837 "href" => $mention));
840 self::get_attachment($doc, $entry, $item);
846 * @brief Delivers the atom content to the contacts
848 * @param array $owner Owner record
849 * @param array $contactr Contact record of the receiver
850 * @param string $atom Content that will be transmitted
851 * @param bool $dissolve (to be documented)
853 * @return int Deliver status. -1 means an error.
855 public static function deliver($owner,$contact,$atom, $dissolve = false) {
859 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
861 if($contact['duplex'] && $contact['dfrn-id'])
862 $idtosend = '0:' . $orig_id;
863 if($contact['duplex'] && $contact['issued-id'])
864 $idtosend = '1:' . $orig_id;
867 $rino = get_config('system','rino_encrypt');
868 $rino = intval($rino);
869 // use RINO1 if mcrypt isn't installed and RINO2 was selected
870 if ($rino==2 and !function_exists('mcrypt_create_iv')) $rino=1;
872 logger("Local rino version: ". $rino, LOGGER_DEBUG);
874 $ssl_val = intval(get_config('system','ssl_policy'));
878 case SSL_POLICY_FULL:
879 $ssl_policy = 'full';
881 case SSL_POLICY_SELFSIGN:
882 $ssl_policy = 'self';
884 case SSL_POLICY_NONE:
886 $ssl_policy = 'none';
890 $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
892 logger('dfrn_deliver: ' . $url);
894 $xml = fetch_url($url);
896 $curl_stat = $a->get_curl_code();
898 return(-1); // timed out
900 logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
905 if(strpos($xml,'<?xml') === false) {
906 logger('dfrn_deliver: no valid XML returned');
907 logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
911 $res = parse_xml_string($xml);
913 if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
914 return (($res->status) ? $res->status : 3);
917 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
918 $challenge = hex2bin((string) $res->challenge);
919 $perm = (($res->perm) ? $res->perm : null);
920 $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
921 $rino_remote_version = intval($res->rino);
922 $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0);
924 logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG);
926 if($owner['page-flags'] == PAGE_PRVGROUP)
932 if((($perm == 'rw') && (! intval($contact['writable'])))
933 || (($perm == 'r') && (intval($contact['writable'])))) {
934 q("update contact set writable = %d where id = %d",
935 intval(($perm == 'rw') ? 1 : 0),
936 intval($contact['id'])
938 $contact['writable'] = (string) 1 - intval($contact['writable']);
942 if(($contact['duplex'] && strlen($contact['pubkey']))
943 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
944 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))) {
945 openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
946 openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
948 openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
949 openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
952 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
954 if(strpos($final_dfrn_id,':') == 1)
955 $final_dfrn_id = substr($final_dfrn_id,2);
957 if($final_dfrn_id != $orig_id) {
958 logger('dfrn_deliver: wrong dfrn_id.');
959 // did not decode properly - cannot trust this site
963 $postvars['dfrn_id'] = $idtosend;
964 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
966 $postvars['dissolve'] = '1';
969 if((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
970 $postvars['data'] = $atom;
971 $postvars['perm'] = 'rw';
973 $postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
974 $postvars['perm'] = 'r';
977 $postvars['ssl_policy'] = $ssl_policy;
980 $postvars['page'] = $page;
983 if($rino>0 && $rino_remote_version>0 && (! $dissolve)) {
984 logger('rino version: '. $rino_remote_version);
986 switch($rino_remote_version) {
988 // Deprecated rino version!
989 $key = substr(random_string(),0,16);
990 $data = aes_encrypt($postvars['data'],$key);
993 // RINO 2 based on php-encryption
995 $key = Crypto::createNewRandomKey();
996 } catch (CryptoTestFailed $ex) {
997 logger('Cannot safely create a key');
999 } catch (CannotPerformOperation $ex) {
1000 logger('Cannot safely create a key');
1004 $data = Crypto::encrypt($postvars['data'], $key);
1005 } catch (CryptoTestFailed $ex) {
1006 logger('Cannot safely perform encryption');
1008 } catch (CannotPerformOperation $ex) {
1009 logger('Cannot safely perform encryption');
1014 logger("rino: invalid requested verision '$rino_remote_version'");
1018 $postvars['rino'] = $rino_remote_version;
1019 $postvars['data'] = bin2hex($data);
1021 #logger('rino: sent key = ' . $key, LOGGER_DEBUG);
1024 if($dfrn_version >= 2.1) {
1025 if(($contact['duplex'] && strlen($contact['pubkey']))
1026 || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
1027 || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey'])))
1029 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
1031 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
1034 if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY))
1035 openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
1037 openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
1041 logger('md5 rawkey ' . md5($postvars['key']));
1043 $postvars['key'] = bin2hex($postvars['key']);
1047 logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA);
1049 $xml = post_url($contact['notify'],$postvars);
1051 logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
1053 $curl_stat = $a->get_curl_code();
1054 if((! $curl_stat) || (! strlen($xml)))
1055 return(-1); // timed out
1057 if(($curl_stat == 503) && (stristr($a->get_curl_headers(),'retry-after')))
1060 if(strpos($xml,'<?xml') === false) {
1061 logger('dfrn_deliver: phase 2: no valid XML returned');
1062 logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
1066 if($contact['term-date'] != '0000-00-00 00:00:00') {
1067 logger("dfrn_deliver: $url back from the dead - removing mark for death");
1068 require_once('include/Contact.php');
1069 unmark_for_death($contact);
1072 $res = parse_xml_string($xml);
1074 return $res->status;
1078 * @brief Add new birthday event for this person
1080 * @param array $contact Contact record
1081 * @param string $birthday Birthday of the contact
1084 private function birthday_event($contact, $birthday) {
1086 logger("updating birthday: ".$birthday." for contact ".$contact["id"]);
1088 $bdtext = sprintf(t("%s\'s birthday"), $contact["name"]);
1089 $bdtext2 = sprintf(t("Happy Birthday %s"), " [url=".$contact["url"]."]".$contact["name"]."[/url]") ;
1092 $r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`)
1093 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
1094 intval($contact["uid"]),
1095 intval($contact["id"]),
1096 dbesc(datetime_convert()),
1097 dbesc(datetime_convert()),
1098 dbesc(datetime_convert("UTC","UTC", $birthday)),
1099 dbesc(datetime_convert("UTC","UTC", $birthday." + 1 day ")),
1107 * @brief Fetch the author data from head or entry items
1109 * @param object $xpath XPath object
1110 * @param object $context In which context should the data be searched
1111 * @param array $importer Record of the importer user mixed with contact of the content
1112 * @param string $element Element name from which the data is fetched
1113 * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well
1115 * @return Returns an array with relevant data of the author
1117 private function fetchauthor($xpath, $context, $importer, $element, $onlyfetch) {
1120 $author["name"] = $xpath->evaluate($element."/atom:name/text()", $context)->item(0)->nodeValue;
1121 $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue;
1123 $r = q("SELECT `id`, `uid`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`,
1124 `name`, `nick`, `about`, `location`, `keywords`, `bdyear`, `bd`
1125 FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
1126 intval($importer["uid"]), dbesc(normalise_link($author["link"])), dbesc(NETWORK_STATUSNET));
1129 $author["contact-id"] = $r[0]["id"];
1130 $author["network"] = $r[0]["network"];
1132 $author["contact-id"] = $importer["id"];
1133 $author["network"] = $importer["network"];
1137 // Until now we aren't serving different sizes - but maybe later
1138 $avatarlist = array();
1139 // @todo check if "avatar" or "photo" would be the best field in the specification
1140 $avatars = $xpath->query($element."/atom:link[@rel='avatar']", $context);
1141 foreach($avatars AS $avatar) {
1144 foreach($avatar->attributes AS $attributes) {
1145 if ($attributes->name == "href")
1146 $href = $attributes->textContent;
1147 if ($attributes->name == "width")
1148 $width = $attributes->textContent;
1149 if ($attributes->name == "updated")
1150 $contact["avatar-date"] = $attributes->textContent;
1152 if (($width > 0) AND ($href != ""))
1153 $avatarlist[$width] = $href;
1155 if (count($avatarlist) > 0) {
1156 krsort($avatarlist);
1157 $author["avatar"] = current($avatarlist);
1160 if ($r AND !$onlyfetch) {
1162 // When was the last change to name or uri?
1163 $name_element = $xpath->query($element."/atom:name", $context)->item(0);
1164 foreach($name_element->attributes AS $attributes)
1165 if ($attributes->name == "updated")
1166 $contact["name-date"] = $attributes->textContent;
1168 $link_element = $xpath->query($element."/atom:link", $context)->item(0);
1169 foreach($link_element->attributes AS $attributes)
1170 if ($attributes->name == "updated")
1171 $contact["uri-date"] = $attributes->textContent;
1173 // Update contact data
1174 $value = $xpath->evaluate($element."/dfrn:handle/text()", $context)->item(0)->nodeValue;
1176 $contact["addr"] = $value;
1178 $value = $xpath->evaluate($element."/poco:displayName/text()", $context)->item(0)->nodeValue;
1180 $contact["name"] = $value;
1182 $value = $xpath->evaluate($element."/poco:preferredUsername/text()", $context)->item(0)->nodeValue;
1184 $contact["nick"] = $value;
1186 $value = $xpath->evaluate($element."/poco:note/text()", $context)->item(0)->nodeValue;
1188 $contact["about"] = $value;
1190 $value = $xpath->evaluate($element."/poco:address/poco:formatted/text()", $context)->item(0)->nodeValue;
1192 $contact["location"] = $value;
1194 /// @todo Add support for the following fields that we don't support by now in the contact table:
1195 /// - poco:utcOffset
1202 // Save the keywords into the contact table
1204 $tagelements = $xpath->evaluate($element."/poco:tags/text()", $context);
1205 foreach($tagelements AS $tag)
1206 $tags[$tag->nodeValue] = $tag->nodeValue;
1209 $contact["keywords"] = implode(", ", $tags);
1211 // "dfrn:birthday" contains the birthday converted to UTC
1212 $old_bdyear = $contact["bdyear"];
1214 $birthday = $xpath->evaluate($element."/dfrn:birthday/text()", $context)->item(0)->nodeValue;
1216 if (strtotime($birthday) > time()) {
1217 $bd_timestamp = strtotime($birthday);
1219 $contact["bdyear"] = date("Y", $bd_timestamp);
1222 // "poco:birthday" is the birthday in the format "yyyy-mm-dd"
1223 $value = $xpath->evaluate($element."/poco:birthday/text()", $context)->item(0)->nodeValue;
1225 if (!in_array($value, array("", "0000-00-00"))) {
1226 $bdyear = date("Y");
1227 $value = str_replace("0000", $bdyear, $value);
1229 if (strtotime($value) < time()) {
1230 $value = str_replace($bdyear, $bdyear + 1, $value);
1231 $bdyear = $bdyear + 1;
1234 $contact["bd"] = $value;
1237 if ($old_bdyear != $contact["bdyear"])
1238 self::birthday_event($contact, $birthday);
1240 // Get all field names
1242 foreach ($r[0] AS $field => $data)
1243 $fields[$field] = $data;
1245 unset($fields["id"]);
1246 unset($fields["uid"]);
1247 unset($fields["avatar-date"]);
1248 unset($fields["name-date"]);
1249 unset($fields["uri-date"]);
1251 // Update check for this field has to be done differently
1252 $datefields = array("name-date", "uri-date");
1253 foreach ($datefields AS $field)
1254 if (strtotime($contact[$field]) > strtotime($r[0][$field])) {
1255 logger("Difference for contact ".$contact["id"]." in field '".$field."'. Old value: '".$contact[$field]."', new value '".$r[0][$field]."'", LOGGER_DEBUG);
1259 foreach ($fields AS $field => $data)
1260 if ($contact[$field] != $r[0][$field]) {
1261 logger("Difference for contact ".$contact["id"]." in field '".$field."'. Old value: '".$contact[$field]."', new value '".$r[0][$field]."'", LOGGER_DEBUG);
1266 logger("Update contact data for contact ".$contact["id"], LOGGER_DEBUG);
1268 q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s',
1269 `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s',
1270 `name-date` = '%s', `uri-date` = '%s'
1271 WHERE `id` = %d AND `network` = '%s'",
1272 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]),
1273 dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]),
1274 dbesc($contact["bd"]), dbesc($contact["name-date"]), dbesc($contact["uri-date"]),
1275 intval($contact["id"]), dbesc($contact["network"]));
1278 update_contact_avatar($author["avatar"], $importer["uid"], $contact["id"],
1279 (strtotime($contact["avatar-date"]) > strtotime($r[0]["avatar-date"])));
1281 // The generation is a sign for the reliability of the provided data.
1282 // It is used in the socgraph.php to prevent that old contact data
1283 // that was relayed over several servers can overwrite contact
1284 // data that we received directly.
1285 $contact["generation"] = 2;
1286 $contact["photo"] = $author["avatar"];
1287 update_gcontact($contact);
1294 * @brief Transforms activity objects into an XML string
1296 * @param object $xpath XPath object
1297 * @param object $activity Activity object
1298 * @param text $element element name
1300 * @return string XML string
1302 private function transform_activity($xpath, $activity, $element) {
1303 if (!is_object($activity))
1306 $obj_doc = new DOMDocument("1.0", "utf-8");
1307 $obj_doc->formatOutput = true;
1309 $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element);
1311 $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue;
1312 xml_add_element($obj_doc, $obj_element, "type", $activity_type);
1314 $id = $xpath->query("atom:id", $activity)->item(0);
1316 $obj_element->appendChild($obj_doc->importNode($id, true));
1318 $title = $xpath->query("atom:title", $activity)->item(0);
1319 if (is_object($title))
1320 $obj_element->appendChild($obj_doc->importNode($title, true));
1322 $links = $xpath->query("atom:link", $activity);
1323 if (is_object($links))
1324 foreach ($links AS $link)
1325 $obj_element->appendChild($obj_doc->importNode($link, true));
1327 $content = $xpath->query("atom:content", $activity)->item(0);
1328 if (is_object($content))
1329 $obj_element->appendChild($obj_doc->importNode($content, true));
1331 $obj_doc->appendChild($obj_element);
1333 $objxml = $obj_doc->saveXML($obj_element);
1335 // @todo This isn't totally clean. We should find a way to transform the namespaces
1336 $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml);
1341 * @brief Processes the mail elements
1343 * @param object $xpath XPath object
1344 * @param object $mail mail elements
1345 * @param array $importer Record of the importer user mixed with contact of the content
1347 private function process_mail($xpath, $mail, $importer) {
1349 logger("Processing mails");
1352 $msg["uid"] = $importer["importer_uid"];
1353 $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue;
1354 $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue;
1355 $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue;
1356 $msg["contact-id"] = $importer["id"];
1357 $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue;
1358 $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue;
1359 $msg["created"] = $xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue;
1360 $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue;
1361 $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue;
1363 $msg["replied"] = 0;
1367 $r = dbq("INSERT INTO `mail` (`".implode("`, `", array_keys($msg))."`) VALUES ('".implode("', '", array_values($msg))."')");
1369 // send notifications.
1371 $notif_params = array(
1372 "type" => NOTIFY_MAIL,
1373 "notify_flags" => $importer["notify-flags"],
1374 "language" => $importer["language"],
1375 "to_name" => $importer["username"],
1376 "to_email" => $importer["email"],
1377 "uid" => $importer["importer_uid"],
1379 "source_name" => $msg["from-name"],
1380 "source_link" => $importer["url"],
1381 "source_photo" => $importer["thumb"],
1382 "verb" => ACTIVITY_POST,
1386 notification($notif_params);
1388 logger("Mail is processed, notification was sent.");
1392 * @brief Processes the suggestion elements
1394 * @param object $xpath XPath object
1395 * @param object $suggestion suggestion elements
1396 * @param array $importer Record of the importer user mixed with contact of the content
1398 private function process_suggestion($xpath, $suggestion, $importer) {
1400 logger("Processing suggestions");
1403 $suggest["uid"] = $importer["importer_uid"];
1404 $suggest["cid"] = $importer["id"];
1405 $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue;
1406 $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue;
1407 $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue;
1408 $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue;
1409 $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue;
1411 // Does our member already have a friend matching this description?
1413 $r = q("SELECT `id` FROM `contact` WHERE `name` = '%s' AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
1414 dbesc($suggest["name"]),
1415 dbesc(normalise_link($suggest["url"])),
1416 intval($suggest["uid"])
1421 // Do we already have an fcontact record for this person?
1424 $r = q("SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1425 dbesc($suggest["url"]),
1426 dbesc($suggest["name"]),
1427 dbesc($suggest["request"])
1432 // OK, we do. Do we already have an introduction for this person ?
1433 $r = q("SELECT `id` FROM `intro` WHERE `uid` = %d AND `fid` = %d LIMIT 1",
1434 intval($suggest["uid"]),
1441 $r = q("INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')",
1442 dbesc($suggest["name"]),
1443 dbesc($suggest["url"]),
1444 dbesc($suggest["photo"]),
1445 dbesc($suggest["request"])
1447 $r = q("SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1",
1448 dbesc($suggest["url"]),
1449 dbesc($suggest["name"]),
1450 dbesc($suggest["request"])
1455 // database record did not get created. Quietly give up.
1459 $hash = random_string();
1461 $r = q("INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`)
1462 VALUES(%d, %d, %d, '%s', '%s', '%s', %d)",
1463 intval($suggest["uid"]),
1465 intval($suggest["cid"]),
1466 dbesc($suggest["body"]),
1468 dbesc(datetime_convert()),
1473 "type" => NOTIFY_SUGGEST,
1474 "notify_flags" => $importer["notify-flags"],
1475 "language" => $importer["language"],
1476 "to_name" => $importer["username"],
1477 "to_email" => $importer["email"],
1478 "uid" => $importer["importer_uid"],
1480 "link" => App::get_baseurl()."/notifications/intros",
1481 "source_name" => $importer["name"],
1482 "source_link" => $importer["url"],
1483 "source_photo" => $importer["photo"],
1484 "verb" => ACTIVITY_REQ_FRIEND,
1493 * @brief Processes the relocation elements
1495 * @param object $xpath XPath object
1496 * @param object $relocation relocation elements
1497 * @param array $importer Record of the importer user mixed with contact of the content
1499 private function process_relocation($xpath, $relocation, $importer) {
1501 logger("Processing relocations");
1503 $relocate = array();
1504 $relocate["uid"] = $importer["importer_uid"];
1505 $relocate["cid"] = $importer["id"];
1506 $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue;
1507 $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue;
1508 $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue;
1509 $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue;
1510 $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue;
1511 $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue;
1512 $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue;
1513 $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue;
1514 $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue;
1515 $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue;
1518 $r = q("SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;",
1519 intval($importer["id"]),
1520 intval($importer["importer_uid"]));
1526 $x = q("UPDATE `contact` SET
1537 `site-pubkey` = '%s'
1538 WHERE `id` = %d AND `uid` = %d;",
1539 dbesc($relocate["name"]),
1540 dbesc($relocate["photo"]),
1541 dbesc($relocate["thumb"]),
1542 dbesc($relocate["micro"]),
1543 dbesc($relocate["url"]),
1544 dbesc(normalise_link($relocate["url"])),
1545 dbesc($relocate["request"]),
1546 dbesc($relocate["confirm"]),
1547 dbesc($relocate["notify"]),
1548 dbesc($relocate["poll"]),
1549 dbesc($relocate["sitepubkey"]),
1550 intval($importer["id"]),
1551 intval($importer["importer_uid"]));
1558 'owner-link' => array($old["url"], $relocate["url"]),
1559 'author-link' => array($old["url"], $relocate["url"]),
1560 'owner-avatar' => array($old["photo"], $relocate["photo"]),
1561 'author-avatar' => array($old["photo"], $relocate["photo"]),
1563 foreach ($fields as $n=>$f){
1564 $x = q("UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
1567 intval($importer["importer_uid"]));
1573 /// merge with current record, current contents have priority
1574 /// update record, set url-updated
1575 /// update profile photos
1576 /// schedule a scan?
1581 * @brief Updates an item
1583 * @param array $current the current item record
1584 * @param array $item the new item record
1585 * @param array $importer Record of the importer user mixed with contact of the content
1586 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
1588 private function update_content($current, $item, $importer, $entrytype) {
1591 if (edited_timestamp_is_newer($current, $item)) {
1593 // do not accept (ignore) an earlier edit than one we currently have.
1594 if(datetime_convert("UTC","UTC",$item["edited"]) < $current["edited"])
1597 $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `edited` = '%s', `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d",
1598 dbesc($item["title"]),
1599 dbesc($item["body"]),
1600 dbesc($item["tag"]),
1601 dbesc(datetime_convert("UTC","UTC",$item["edited"])),
1602 dbesc(datetime_convert()),
1603 dbesc($item["uri"]),
1604 intval($importer["importer_uid"])
1606 create_tags_from_itemuri($item["uri"], $importer["importer_uid"]);
1607 update_thread_uri($item["uri"], $importer["importer_uid"]);
1611 if ($entrytype == DFRN_REPLY_RC)
1612 proc_run("php", "include/notifier.php","comment-import", $current["id"]);
1615 // update last-child if it changes
1616 if($item["last-child"] AND ($item["last-child"] != $current["last-child"])) {
1617 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
1618 dbesc(datetime_convert()),
1619 dbesc($item["parent-uri"]),
1620 intval($importer["importer_uid"])
1622 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d",
1623 intval($item["last-child"]),
1624 dbesc(datetime_convert()),
1625 dbesc($item["uri"]),
1626 intval($importer["importer_uid"])
1633 * @brief Detects the entry type of the item
1635 * @param array $importer Record of the importer user mixed with contact of the content
1636 * @param array $item the new item record
1638 * @return int Is it a toplevel entry, a comment or a relayed comment?
1640 private function get_entry_type($importer, $item) {
1641 if ($item["parent-uri"] != $item["uri"]) {
1644 if($importer["page-flags"] == PAGE_COMMUNITY || $importer["page-flags"] == PAGE_PRVGROUP) {
1647 logger("possible community action");
1649 $sql_extra = " AND `contact`.`self` AND `item`.`wall` ";
1651 // was the top-level post for this action written by somebody on this site?
1652 // Specifically, the recipient?
1654 $is_a_remote_action = false;
1656 $r = q("SELECT `item`.`parent-uri` FROM `item`
1657 WHERE `item`.`uri` = '%s'
1659 dbesc($item["parent-uri"])
1661 if($r && count($r)) {
1662 $r = q("SELECT `item`.`forum_mode`, `item`.`wall` FROM `item`
1663 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
1664 WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s')
1665 AND `item`.`uid` = %d
1668 dbesc($r[0]["parent-uri"]),
1669 dbesc($r[0]["parent-uri"]),
1670 dbesc($r[0]["parent-uri"]),
1671 intval($importer["importer_uid"])
1674 $is_a_remote_action = true;
1677 // Does this have the characteristics of a community or private group action?
1678 // If it's an action to a wall post on a community/prvgroup page it's a
1679 // valid community action. Also forum_mode makes it valid for sure.
1680 // If neither, it's not.
1682 if($is_a_remote_action && $community) {
1683 if((!$r[0]["forum_mode"]) && (!$r[0]["wall"])) {
1684 $is_a_remote_action = false;
1685 logger("not a community action");
1689 if ($is_a_remote_action)
1690 return DFRN_REPLY_RC;
1695 return DFRN_TOP_LEVEL;
1700 * @brief Send a "poke"
1702 * @param array $item the new item record
1703 * @param array $importer Record of the importer user mixed with contact of the content
1704 * @param int $posted_id The record number of item record that was just posted
1706 private function do_poke($item, $importer, $posted_id) {
1707 $verb = urldecode(substr($item["verb"],strpos($item["verb"], "#")+1));
1710 $xo = parse_xml_string($item["object"],false);
1712 if(($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) {
1714 // somebody was poked/prodded. Was it me?
1715 foreach($xo->link as $l) {
1716 $atts = $l->attributes();
1717 switch($atts["rel"]) {
1719 $Blink = $atts["href"];
1726 if($Blink && link_compare($Blink,App::get_baseurl()."/profile/".$importer["nickname"])) {
1728 // send a notification
1730 "type" => NOTIFY_POKE,
1731 "notify_flags" => $importer["notify-flags"],
1732 "language" => $importer["language"],
1733 "to_name" => $importer["username"],
1734 "to_email" => $importer["email"],
1735 "uid" => $importer["importer_uid"],
1737 "link" => App::get_baseurl()."/display/".urlencode(get_item_guid($posted_id)),
1738 "source_name" => stripslashes($item["author-name"]),
1739 "source_link" => $item["author-link"],
1740 "source_photo" => ((link_compare($item["author-link"],$importer["url"]))
1741 ? $importer["thumb"] : $item["author-avatar"]),
1742 "verb" => $item["verb"],
1743 "otype" => "person",
1744 "activity" => $verb,
1745 "parent" => $item["parent"]
1752 * @brief Processes several actions, depending on the verb
1754 * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment?
1755 * @param array $importer Record of the importer user mixed with contact of the content
1756 * @param array $item the new item record
1757 * @param bool $is_like Is the verb a "like"?
1759 * @return bool Should the processing of the entries be continued?
1761 private function process_verbs($entrytype, $importer, &$item, &$is_like) {
1762 if (($entrytype == DFRN_TOP_LEVEL)) {
1763 // The filling of the the "contact" variable is done for legcy reasons
1764 // The functions below are partly used by ostatus.php as well - where we have this variable
1765 $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"]));
1767 $nickname = $contact["nick"];
1769 // Big question: Do we need these functions? They were part of the "consume_feed" function.
1770 // This function once was responsible for DFRN and OStatus.
1771 if(activity_match($item["verb"],ACTIVITY_FOLLOW)) {
1772 logger("New follower");
1773 new_follower($importer, $contact, $item, $nickname);
1776 if(activity_match($item["verb"],ACTIVITY_UNFOLLOW)) {
1777 logger("Lost follower");
1778 lose_follower($importer, $contact, $item);
1781 if(activity_match($item["verb"],ACTIVITY_REQ_FRIEND)) {
1782 logger("New friend request");
1783 new_follower($importer, $contact, $item, $nickname, true);
1786 if(activity_match($item["verb"],ACTIVITY_UNFRIEND)) {
1787 logger("Lost sharer");
1788 lose_sharer($importer, $contact, $item);
1792 if(($item["verb"] === ACTIVITY_LIKE)
1793 || ($item["verb"] === ACTIVITY_DISLIKE)
1794 || ($item["verb"] === ACTIVITY_ATTEND)
1795 || ($item["verb"] === ACTIVITY_ATTENDNO)
1796 || ($item["verb"] === ACTIVITY_ATTENDMAYBE)) {
1798 $item["type"] = "activity";
1799 $item["gravity"] = GRAVITY_LIKE;
1800 // only one like or dislike per person
1801 // splitted into two queries for performance issues
1802 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `parent-uri` = '%s' AND NOT `deleted` LIMIT 1",
1803 intval($item["uid"]),
1804 dbesc($item["author-link"]),
1805 dbesc($item["verb"]),
1806 dbesc($item["parent-uri"])
1811 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `thr-parent` = '%s' AND NOT `deleted` LIMIT 1",
1812 intval($item["uid"]),
1813 dbesc($item["author-link"]),
1814 dbesc($item["verb"]),
1815 dbesc($item["parent-uri"])
1822 if(($item["verb"] === ACTIVITY_TAG) && ($item["object-type"] === ACTIVITY_OBJ_TAGTERM)) {
1824 $xo = parse_xml_string($item["object"],false);
1825 $xt = parse_xml_string($item["target"],false);
1827 if($xt->type == ACTIVITY_OBJ_NOTE) {
1828 $r = q("SELECT `id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1830 intval($importer["importer_uid"])
1836 // extract tag, if not duplicate, add to parent item
1838 if(!(stristr($r[0]["tag"],trim($xo->content)))) {
1839 q("UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
1840 dbesc($r[0]["tag"] . (strlen($r[0]["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]'),
1843 create_tags_from_item($r[0]["id"]);
1853 * @brief Processes the link elements
1855 * @param object $links link elements
1856 * @param array $item the item record
1858 private function parse_links($links, &$item) {
1864 foreach ($links AS $link) {
1865 foreach($link->attributes AS $attributes) {
1866 if ($attributes->name == "href")
1867 $href = $attributes->textContent;
1868 if ($attributes->name == "rel")
1869 $rel = $attributes->textContent;
1870 if ($attributes->name == "type")
1871 $type = $attributes->textContent;
1872 if ($attributes->name == "length")
1873 $length = $attributes->textContent;
1874 if ($attributes->name == "title")
1875 $title = $attributes->textContent;
1877 if (($rel != "") AND ($href != ""))
1880 $item["plink"] = $href;
1884 if(strlen($item["attach"]))
1885 $item["attach"] .= ",";
1887 $item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'" title="'.$title.'"[/attach]';
1894 * @brief Processes the entry elements which contain the items and comments
1896 * @param array $header Array of the header elements that always stay the same
1897 * @param object $xpath XPath object
1898 * @param object $entry entry elements
1899 * @param array $importer Record of the importer user mixed with contact of the content
1901 private function process_entry($header, $xpath, $entry, $importer) {
1903 logger("Processing entries");
1908 $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue;
1911 $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true);
1913 $item["owner-name"] = $owner["name"];
1914 $item["owner-link"] = $owner["link"];
1915 $item["owner-avatar"] = $owner["avatar"];
1918 $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true);
1920 $item["author-name"] = $author["name"];
1921 $item["author-link"] = $author["link"];
1922 $item["author-avatar"] = $author["avatar"];
1924 $item["title"] = $xpath->query("atom:title/text()", $entry)->item(0)->nodeValue;
1926 $item["created"] = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
1927 $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue;
1929 $item["body"] = $xpath->query("dfrn:env/text()", $entry)->item(0)->nodeValue;
1930 $item["body"] = str_replace(array(' ',"\t","\r","\n"), array('','','',''),$item["body"]);
1931 // make sure nobody is trying to sneak some html tags by us
1932 $item["body"] = notags(base64url_decode($item["body"]));
1934 $item["body"] = limit_body_size($item["body"]);
1936 /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
1937 if((strpos($item['body'],'<') !== false) && (strpos($item['body'],'>') !== false)) {
1939 $item['body'] = reltoabs($item['body'],$base_url);
1941 $item['body'] = html2bb_video($item['body']);
1943 $item['body'] = oembed_html2bbcode($item['body']);
1945 $config = HTMLPurifier_Config::createDefault();
1946 $config->set('Cache.DefinitionImpl', null);
1948 // we shouldn't need a whitelist, because the bbcode converter
1949 // will strip out any unsupported tags.
1951 $purifier = new HTMLPurifier($config);
1952 $item['body'] = $purifier->purify($item['body']);
1954 $item['body'] = @html2bbcode($item['body']);
1957 // We don't need the content element since "dfrn:env" is always present
1958 //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue;
1960 $item["last-child"] = $xpath->query("dfrn:comment-allow/text()", $entry)->item(0)->nodeValue;
1961 $item["location"] = $xpath->query("dfrn:location/text()", $entry)->item(0)->nodeValue;
1963 $georsspoint = $xpath->query("georss:point", $entry);
1965 $item["coord"] = $georsspoint->item(0)->nodeValue;
1967 $item["private"] = $xpath->query("dfrn:private/text()", $entry)->item(0)->nodeValue;
1969 $item["extid"] = $xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue;
1971 if ($xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue == "true")
1972 $item["bookmark"] = true;
1974 $notice_info = $xpath->query("statusnet:notice_info", $entry);
1975 if ($notice_info AND ($notice_info->length > 0)) {
1976 foreach($notice_info->item(0)->attributes AS $attributes) {
1977 if ($attributes->name == "source")
1978 $item["app"] = strip_tags($attributes->textContent);
1982 $item["guid"] = $xpath->query("dfrn:diaspora_guid/text()", $entry)->item(0)->nodeValue;
1984 // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "item_store"
1985 $dsprsig = unxmlify($xpath->query("dfrn:diaspora_signature/text()", $entry)->item(0)->nodeValue);
1987 $item["dsprsig"] = $dsprsig;
1989 $item["verb"] = $xpath->query("activity:verb/text()", $entry)->item(0)->nodeValue;
1991 if ($xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue != "")
1992 $item["object-type"] = $xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue;
1994 $object = $xpath->query("activity:object", $entry)->item(0);
1995 $item["object"] = self::transform_activity($xpath, $object, "object");
1997 if (trim($item["object"]) != "") {
1998 $r = parse_xml_string($item["object"], false);
1999 if (isset($r->type))
2000 $item["object-type"] = $r->type;
2003 $target = $xpath->query("activity:target", $entry)->item(0);
2004 $item["target"] = self::transform_activity($xpath, $target, "target");
2006 $categories = $xpath->query("atom:category", $entry);
2008 foreach ($categories AS $category) {
2009 foreach($category->attributes AS $attributes)
2010 if ($attributes->name == "term") {
2011 $term = $attributes->textContent;
2012 if(strlen($item["tag"]))
2013 $item["tag"] .= ",";
2015 $item["tag"] .= "#[url=".App::get_baseurl()."/search?tag=".$term."]".$term."[/url]";
2022 $links = $xpath->query("atom:link", $entry);
2024 self::parse_links($links, $item);
2026 // Is it a reply or a top level posting?
2027 $item["parent-uri"] = $item["uri"];
2029 $inreplyto = $xpath->query("thr:in-reply-to", $entry);
2030 if (is_object($inreplyto->item(0)))
2031 foreach($inreplyto->item(0)->attributes AS $attributes)
2032 if ($attributes->name == "ref")
2033 $item["parent-uri"] = $attributes->textContent;
2035 // Get the type of the item (Top level post, reply or remote reply)
2036 $entrytype = self::get_entry_type($importer, $item);
2038 // Now assign the rest of the values that depend on the type of the message
2039 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2040 if (!isset($item["object-type"]))
2041 $item["object-type"] = ACTIVITY_OBJ_COMMENT;
2043 if ($item["contact-id"] != $owner["contact-id"])
2044 $item["contact-id"] = $owner["contact-id"];
2046 if (($item["network"] != $owner["network"]) AND ($owner["network"] != ""))
2047 $item["network"] = $owner["network"];
2049 if ($item["contact-id"] != $author["contact-id"])
2050 $item["contact-id"] = $author["contact-id"];
2052 if (($item["network"] != $author["network"]) AND ($author["network"] != ""))
2053 $item["network"] = $author["network"];
2055 // This code was taken from the old DFRN code
2056 // When activated, forums don't work.
2057 // And: Why should we disallow commenting by followers?
2058 // the behaviour is now similar to the Diaspora part.
2059 //if($importer["rel"] == CONTACT_IS_FOLLOWER) {
2060 // logger("Contact ".$importer["id"]." is only follower. Quitting", LOGGER_DEBUG);
2065 if ($entrytype == DFRN_REPLY_RC) {
2066 $item["type"] = "remote-comment";
2068 } elseif ($entrytype == DFRN_TOP_LEVEL) {
2069 if (!isset($item["object-type"]))
2070 $item["object-type"] = ACTIVITY_OBJ_NOTE;
2073 if ($item["object-type"] == ACTIVITY_OBJ_EVENT) {
2074 logger("Item ".$item["uri"]." seems to contain an event.", LOGGER_DEBUG);
2075 $ev = bbtoevent($item["body"]);
2076 if((x($ev, "desc") || x($ev, "summary")) && x($ev, "start")) {
2077 logger("Event in item ".$item["uri"]." was found.", LOGGER_DEBUG);
2078 $ev["cid"] = $importer["id"];
2079 $ev["uid"] = $importer["uid"];
2080 $ev["uri"] = $item["uri"];
2081 $ev["edited"] = $item["edited"];
2082 $ev['private'] = $item['private'];
2083 $ev["guid"] = $item["guid"];
2085 $r = q("SELECT `id` FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2086 dbesc($item["uri"]),
2087 intval($importer["uid"])
2090 $ev["id"] = $r[0]["id"];
2092 $event_id = event_store($ev);
2093 logger("Event ".$event_id." was stored", LOGGER_DEBUG);
2099 $r = q("SELECT `id`, `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2100 dbesc($item["uri"]),
2101 intval($importer["importer_uid"])
2104 if (!self::process_verbs($entrytype, $importer, $item, $is_like)) {
2105 logger("Exiting because 'process_verbs' told us so", LOGGER_DEBUG);
2109 // Update content if 'updated' changes
2111 if (self::update_content($r[0], $item, $importer, $entrytype))
2112 logger("Item ".$item["uri"]." was updated.", LOGGER_DEBUG);
2114 logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG);
2118 if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) {
2119 $posted_id = item_store($item);
2124 logger("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, LOGGER_DEBUG);
2126 $item["id"] = $posted_id;
2128 $r = q("SELECT `parent`, `parent-uri` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
2130 intval($importer["importer_uid"])
2133 $parent = $r[0]["parent"];
2134 $parent_uri = $r[0]["parent-uri"];
2138 $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
2139 dbesc(datetime_convert()),
2140 intval($importer["importer_uid"]),
2141 intval($r[0]["parent"])
2144 $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d",
2145 dbesc(datetime_convert()),
2146 intval($importer["importer_uid"]),
2151 if($posted_id AND $parent AND ($entrytype == DFRN_REPLY_RC)) {
2152 logger("Notifying followers about comment ".$posted_id, LOGGER_DEBUG);
2153 proc_run("php", "include/notifier.php", "comment-import", $posted_id);
2158 } else { // $entrytype == DFRN_TOP_LEVEL
2159 if(!link_compare($item["owner-link"],$importer["url"])) {
2160 // The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery,
2161 // but otherwise there's a possible data mixup on the sender's system.
2162 // the tgroup delivery code called from item_store will correct it if it's a forum,
2163 // but we're going to unconditionally correct it here so that the post will always be owned by our contact.
2164 logger('Correcting item owner.', LOGGER_DEBUG);
2165 $item["owner-name"] = $importer["senderName"];
2166 $item["owner-link"] = $importer["url"];
2167 $item["owner-avatar"] = $importer["thumb"];
2170 if(($importer["rel"] == CONTACT_IS_FOLLOWER) && (!tgroup_check($importer["importer_uid"], $item))) {
2171 logger("Contact ".$importer["id"]." is only follower and tgroup check was negative.", LOGGER_DEBUG);
2175 // This is my contact on another system, but it's really me.
2176 // Turn this into a wall post.
2177 $notify = item_is_remote_self($importer, $item);
2179 $posted_id = item_store($item, false, $notify);
2181 logger("Item was stored with id ".$posted_id, LOGGER_DEBUG);
2183 if(stristr($item["verb"],ACTIVITY_POKE))
2184 self::do_poke($item, $importer, $posted_id);
2189 * @brief Deletes items
2191 * @param object $xpath XPath object
2192 * @param object $deletion deletion elements
2193 * @param array $importer Record of the importer user mixed with contact of the content
2195 private function process_deletion($xpath, $deletion, $importer) {
2197 logger("Processing deletions");
2199 foreach($deletion->attributes AS $attributes) {
2200 if ($attributes->name == "ref")
2201 $uri = $attributes->textContent;
2202 if ($attributes->name == "when")
2203 $when = $attributes->textContent;
2206 $when = datetime_convert("UTC", "UTC", $when, "Y-m-d H:i:s");
2208 $when = datetime_convert("UTC", "UTC", "now", "Y-m-d H:i:s");
2210 if (!$uri OR !$importer["id"])
2213 /// @todo Only select the used fields
2214 $r = q("SELECT `item`.*, `contact`.`self` FROM `item` INNER JOIN `contact` on `item`.`contact-id` = `contact`.`id`
2215 WHERE `uri` = '%s' AND `item`.`uid` = %d AND `contact-id` = %d AND NOT `item`.`file` LIKE '%%[%%' LIMIT 1",
2217 intval($importer["uid"]),
2218 intval($importer["id"])
2221 logger("Item with uri ".$uri." from contact ".$importer["id"]." for user ".$importer["uid"]." wasn't found.", LOGGER_DEBUG);
2227 $entrytype = self::get_entry_type($importer, $item);
2229 if(!$item["deleted"])
2230 logger('deleting item '.$item["id"].' uri='.$uri, LOGGER_DEBUG);
2234 if($item["object-type"] === ACTIVITY_OBJ_EVENT) {
2235 logger("Deleting event ".$item["event-id"], LOGGER_DEBUG);
2236 event_delete($item["event-id"]);
2239 if(($item["verb"] === ACTIVITY_TAG) && ($item["object-type"] === ACTIVITY_OBJ_TAGTERM)) {
2240 $xo = parse_xml_string($item["object"],false);
2241 $xt = parse_xml_string($item["target"],false);
2242 if($xt->type === ACTIVITY_OBJ_NOTE) {
2243 $i = q("SELECT `id`, `contact-id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
2245 intval($importer["importer_uid"])
2249 // For tags, the owner cannot remove the tag on the author's copy of the post.
2251 $owner_remove = (($item["contact-id"] == $i[0]["contact-id"]) ? true: false);
2252 $author_remove = (($item["origin"] && $item["self"]) ? true : false);
2253 $author_copy = (($item["origin"]) ? true : false);
2255 if($owner_remove && $author_copy)
2257 if($author_remove || $owner_remove) {
2258 $tags = explode(',',$i[0]["tag"]);
2261 foreach($tags as $tag)
2262 if(trim($tag) !== trim($xo->body))
2263 $newtags[] = trim($tag);
2265 q("UPDATE `item` SET `tag` = '%s' WHERE `id` = %d",
2266 dbesc(implode(',',$newtags)),
2269 create_tags_from_item($i[0]["id"]);
2275 if($entrytype == DFRN_TOP_LEVEL) {
2276 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2277 `body` = '', `title` = ''
2278 WHERE `parent-uri` = '%s' AND `uid` = %d",
2280 dbesc(datetime_convert()),
2282 intval($importer["uid"])
2284 create_tags_from_itemuri($uri, $importer["uid"]);
2285 create_files_from_itemuri($uri, $importer["uid"]);
2286 update_thread_uri($uri, $importer["uid"]);
2288 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
2289 `body` = '', `title` = ''
2290 WHERE `uri` = '%s' AND `uid` = %d",
2292 dbesc(datetime_convert()),
2294 intval($importer["uid"])
2296 create_tags_from_itemuri($uri, $importer["uid"]);
2297 create_files_from_itemuri($uri, $importer["uid"]);
2298 update_thread_uri($uri, $importer["importer_uid"]);
2299 if($item["last-child"]) {
2300 // ensure that last-child is set in case the comment that had it just got wiped.
2301 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
2302 dbesc(datetime_convert()),
2303 dbesc($item["parent-uri"]),
2304 intval($item["uid"])
2306 // who is the last child now?
2307 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `moderated` = 0 AND `uid` = %d
2308 ORDER BY `created` DESC LIMIT 1",
2309 dbesc($item["parent-uri"]),
2310 intval($importer["uid"])
2313 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d",
2318 // if this is a relayed delete, propagate it to other recipients
2320 if($entrytype == DFRN_REPLY_RC) {
2321 logger("Notifying followers about deletion of post ".$item["id"], LOGGER_DEBUG);
2322 proc_run("php", "include/notifier.php","drop", $item["id"]);
2329 * @brief Imports a DFRN message
2331 * @param text $xml The DFRN message
2332 * @param array $importer Record of the importer user mixed with contact of the content
2333 * @param bool $sort_by_date Is used when feeds are polled
2335 public static function import($xml,$importer, $sort_by_date = false) {
2340 if($importer["readonly"]) {
2341 // We aren't receiving stuff from this person. But we will quietly ignore them
2342 // rather than a blatant "go away" message.
2343 logger('ignoring contact '.$importer["id"]);
2347 $doc = new DOMDocument();
2348 @$doc->loadXML($xml);
2350 $xpath = new DomXPath($doc);
2351 $xpath->registerNamespace("atom", NAMESPACE_ATOM1);
2352 $xpath->registerNamespace("thr", NAMESPACE_THREAD);
2353 $xpath->registerNamespace("at", NAMESPACE_TOMB);
2354 $xpath->registerNamespace("media", NAMESPACE_MEDIA);
2355 $xpath->registerNamespace("dfrn", NAMESPACE_DFRN);
2356 $xpath->registerNamespace("activity", NAMESPACE_ACTIVITY);
2357 $xpath->registerNamespace("georss", NAMESPACE_GEORSS);
2358 $xpath->registerNamespace("poco", NAMESPACE_POCO);
2359 $xpath->registerNamespace("ostatus", NAMESPACE_OSTATUS);
2360 $xpath->registerNamespace("statusnet", NAMESPACE_STATUSNET);
2363 $header["uid"] = $importer["uid"];
2364 $header["network"] = NETWORK_DFRN;
2365 $header["type"] = "remote";
2366 $header["wall"] = 0;
2367 $header["origin"] = 0;
2368 $header["contact-id"] = $importer["id"];
2370 // Update the contact table if the data has changed
2371 // Only the "dfrn:owner" in the head section contains all data
2372 self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false);
2374 logger("Import DFRN message for user ".$importer["uid"]." from contact ".$importer["id"], LOGGER_DEBUG);
2376 // is it a public forum? Private forums aren't supported by now with this method
2377 $forum = intval($xpath->evaluate("/atom:feed/dfrn:community/text()", $context)->item(0)->nodeValue);
2379 if ($forum != $importer["forum"])
2380 q("UPDATE `contact` SET `forum` = %d WHERE `forum` != %d AND `id` = %d",
2381 intval($forum), intval($forum),
2382 intval($importer["id"])
2385 $mails = $xpath->query("/atom:feed/dfrn:mail");
2386 foreach ($mails AS $mail)
2387 self::process_mail($xpath, $mail, $importer);
2389 $suggestions = $xpath->query("/atom:feed/dfrn:suggest");
2390 foreach ($suggestions AS $suggestion)
2391 self::process_suggestion($xpath, $suggestion, $importer);
2393 $relocations = $xpath->query("/atom:feed/dfrn:relocate");
2394 foreach ($relocations AS $relocation)
2395 self::process_relocation($xpath, $relocation, $importer);
2397 $deletions = $xpath->query("/atom:feed/at:deleted-entry");
2398 foreach ($deletions AS $deletion)
2399 self::process_deletion($xpath, $deletion, $importer);
2401 if (!$sort_by_date) {
2402 $entries = $xpath->query("/atom:feed/atom:entry");
2403 foreach ($entries AS $entry)
2404 self::process_entry($header, $xpath, $entry, $importer);
2406 $newentries = array();
2407 $entries = $xpath->query("/atom:feed/atom:entry");
2408 foreach ($entries AS $entry) {
2409 $created = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue;
2410 $newentries[strtotime($created)] = $entry;
2413 // Now sort after the publishing date
2416 foreach ($newentries AS $entry)
2417 self::process_entry($header, $xpath, $entry, $importer);
2419 logger("Import done for user ".$importer["uid"]." from contact ".$importer["id"], LOGGER_DEBUG);