3 * @file include/socgraph.php
5 * @todo Move GNU Social URL schemata (http://server.tld/user/number) to http://server.tld/username
6 * @todo Fetch profile data from profile page for Redmatrix users
7 * @todo Detect if it is a forum
11 use Friendica\Core\Config;
12 use Friendica\Network\Probe;
14 require_once 'include/datetime.php';
15 require_once 'include/probe.php';
16 require_once 'include/network.php';
17 require_once 'include/html2bbcode.php';
18 require_once 'include/Contact.php';
19 require_once 'include/Photo.php';
22 * @brief Fetch POCO data
24 * @param integer $cid Contact ID
25 * @param integer $uid User ID
26 * @param integer $zcid Global Contact ID
27 * @param integer $url POCO address that should be polled
29 * Given a contact-id (minimum), load the PortableContacts friend list for that contact,
30 * and add the entries to the gcontact (Global Contact) table, or update existing entries
31 * if anything (name or photo) has changed.
32 * We use normalised urls for comparison which ignore http vs https and www.domain vs domain
34 * Once the global contact is stored add (if necessary) the contact linkage which associates
35 * the given uid, cid to the global contact entry. There can be many uid/cid combinations
36 * pointing to the same global contact id.
39 function poco_load($cid, $uid = 0, $zcid = 0, $url = null) {
40 // Call the function "poco_load_worker" via the worker
41 proc_run(PRIORITY_LOW, "include/discover_poco.php", "poco_load", intval($cid), intval($uid), intval($zcid), base64_encode($url));
45 * @brief Fetch POCO data from the worker
47 * @param integer $cid Contact ID
48 * @param integer $uid User ID
49 * @param integer $zcid Global Contact ID
50 * @param integer $url POCO address that should be polled
53 function poco_load_worker($cid, $uid, $zcid, $url) {
57 if((! $url) || (! $uid)) {
58 $r = q("select `poco`, `uid` from `contact` where `id` = %d limit 1",
61 if (dbm::is_result($r)) {
73 $url = $url . (($uid) ? '/@me/@all?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation' : '?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation') ;
75 logger('poco_load: ' . $url, LOGGER_DEBUG);
79 logger('poco_load: returns ' . $s, LOGGER_DATA);
81 logger('poco_load: return code: ' . $a->get_curl_code(), LOGGER_DEBUG);
83 if(($a->get_curl_code() > 299) || (! $s))
88 logger('poco_load: json: ' . print_r($j,true),LOGGER_DATA);
90 if(! isset($j->entry))
94 foreach($j->entry as $entry) {
102 $updated = NULL_DATE;
110 $name = $entry->displayName;
112 if (isset($entry->urls)) {
113 foreach ($entry->urls as $url) {
114 if ($url->type == 'profile') {
115 $profile_url = $url->value;
118 if ($url->type == 'webfinger') {
119 $connect_url = str_replace('acct:' , '', $url->value);
124 if (isset($entry->photos)) {
125 foreach ($entry->photos as $photo) {
126 if ($photo->type == 'profile') {
127 $profile_photo = $photo->value;
133 if (isset($entry->updated)) {
134 $updated = date("Y-m-d H:i:s", strtotime($entry->updated));
137 if (isset($entry->network)) {
138 $network = $entry->network;
141 if (isset($entry->currentLocation)) {
142 $location = $entry->currentLocation;
145 if (isset($entry->aboutMe)) {
146 $about = html2bbcode($entry->aboutMe);
149 if (isset($entry->gender)) {
150 $gender = $entry->gender;
153 if (isset($entry->generation) AND ($entry->generation > 0)) {
154 $generation = ++$entry->generation;
157 if (isset($entry->tags)) {
158 foreach($entry->tags as $tag) {
159 $keywords = implode(", ", $tag);
163 if (isset($entry->contactType) AND ($entry->contactType >= 0))
164 $contact_type = $entry->contactType;
166 $gcontact = array("url" => $profile_url,
168 "network" => $network,
169 "photo" => $profile_photo,
171 "location" => $location,
173 "keywords" => $keywords,
174 "connect" => $connect_url,
175 "updated" => $updated,
176 "contact-type" => $contact_type,
177 "generation" => $generation);
180 $gcontact = sanitize_gcontact($gcontact);
181 $gcid = update_gcontact($gcontact);
183 link_gcontact($gcid, $uid, $cid, $zcid);
184 } catch (Exception $e) {
185 logger($e->getMessage(), LOGGER_DEBUG);
188 logger("poco_load: loaded $total entries",LOGGER_DEBUG);
190 q("DELETE FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `zcid` = %d AND `updated` < UTC_TIMESTAMP - INTERVAL 2 DAY",
198 * @brief Sanitize the given gcontact data
200 * @param array $gcontact array with gcontact data
205 * 1: Profiles on this server
206 * 2: Contacts of profiles on this server
207 * 3: Contacts of contacts of profiles on this server
211 function sanitize_gcontact($gcontact) {
213 if ($gcontact['url'] == "") {
214 throw new Exception('URL is empty');
217 $urlparts = parse_url($gcontact['url']);
218 if (!isset($urlparts["scheme"])) {
219 throw new Exception("This (".$gcontact['url'].") doesn't seem to be an url.");
222 if (in_array($urlparts["host"], array("www.facebook.com", "facebook.com", "twitter.com",
223 "identi.ca", "alpha.app.net"))) {
224 throw new Exception('Contact from a non federated network ignored. ('.$gcontact['url'].')');
227 // Don't store the statusnet connector as network
228 // We can't simply set this to NETWORK_OSTATUS since the connector could have fetched posts from friendica as well
229 if ($gcontact['network'] == NETWORK_STATUSNET) {
230 $gcontact['network'] = "";
233 // Assure that there are no parameter fragments in the profile url
234 if (in_array($gcontact['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) {
235 $gcontact['url'] = clean_contact_url($gcontact['url']);
238 $alternate = poco_alternate_ostatus_url($gcontact['url']);
240 // The global contacts should contain the original picture, not the cached one
241 if (($gcontact['generation'] != 1) AND stristr(normalise_link($gcontact['photo']), normalise_link(App::get_baseurl()."/photo/"))) {
242 $gcontact['photo'] = "";
245 if (!isset($gcontact['network'])) {
246 $r = q("SELECT `network` FROM `contact` WHERE `uid` = 0 AND `nurl` = '%s' AND `network` != '' AND `network` != '%s' LIMIT 1",
247 dbesc(normalise_link($gcontact['url'])), dbesc(NETWORK_STATUSNET)
249 if (dbm::is_result($r)) {
250 $gcontact['network'] = $r[0]["network"];
253 if (($gcontact['network'] == "") OR ($gcontact['network'] == NETWORK_OSTATUS)) {
254 $r = q("SELECT `network`, `url` FROM `contact` WHERE `uid` = 0 AND `alias` IN ('%s', '%s') AND `network` != '' AND `network` != '%s' LIMIT 1",
255 dbesc($gcontact['url']), dbesc(normalise_link($gcontact['url'])), dbesc(NETWORK_STATUSNET)
257 if (dbm::is_result($r)) {
258 $gcontact['network'] = $r[0]["network"];
263 $gcontact['server_url'] = '';
264 $gcontact['network'] = '';
266 $x = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
267 dbesc(normalise_link($gcontact['url']))
271 if (!isset($gcontact['network']) AND ($x[0]["network"] != NETWORK_STATUSNET)) {
272 $gcontact['network'] = $x[0]["network"];
274 if ($gcontact['updated'] <= NULL_DATE) {
275 $gcontact['updated'] = $x[0]["updated"];
277 if (!isset($gcontact['server_url']) AND (normalise_link($x[0]["server_url"]) != normalise_link($x[0]["url"]))) {
278 $gcontact['server_url'] = $x[0]["server_url"];
280 if (!isset($gcontact['addr'])) {
281 $gcontact['addr'] = $x[0]["addr"];
285 if ((!isset($gcontact['network']) OR !isset($gcontact['name']) OR !isset($gcontact['addr']) OR !isset($gcontact['photo']) OR !isset($gcontact['server_url']) OR $alternate)
286 AND poco_reachable($gcontact['url'], $gcontact['server_url'], $gcontact['network'], false)) {
287 $data = Probe::uri($gcontact['url']);
289 if ($data["network"] == NETWORK_PHANTOM) {
290 throw new Exception('Probing for URL '.$gcontact['url'].' failed');
293 $orig_profile = $gcontact['url'];
295 $gcontact["server_url"] = $data["baseurl"];
297 $gcontact = array_merge($gcontact, $data);
299 if ($alternate AND ($gcontact['network'] == NETWORK_OSTATUS)) {
300 // Delete the old entry - if it exists
301 $r = q("SELECT `id` FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($orig_profile)));
303 q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($orig_profile)));
304 q("DELETE FROM `glink` WHERE `gcid` = %d", intval($r[0]["id"]));
309 if (!isset($gcontact['name']) OR !isset($gcontact['photo'])) {
310 throw new Exception('No name and photo for URL '.$gcontact['url']);
313 if (!in_array($gcontact['network'], array(NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA))) {
314 throw new Exception('No federated network ('.$gcontact['network'].') detected for URL '.$gcontact['url']);
317 if (!isset($gcontact['server_url'])) {
318 // We check the server url to be sure that it is a real one
319 $server_url = poco_detect_server($gcontact['url']);
321 // We are now sure that it is a correct URL. So we use it in the future
322 if ($server_url != "") {
323 $gcontact['server_url'] = $server_url;
327 // The server URL doesn't seem to be valid, so we don't store it.
328 if (!poco_check_server($gcontact['server_url'], $gcontact['network'])) {
329 $gcontact['server_url'] = "";
336 * @brief Link the gcontact entry with user, contact and global contact
338 * @param integer $gcid Global contact ID
339 * @param integer $cid Contact ID
340 * @param integer $uid User ID
341 * @param integer $zcid Global Contact ID
344 function link_gcontact($gcid, $uid = 0, $cid = 0, $zcid = 0) {
350 $r = q("SELECT * FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d LIMIT 1",
356 if (!dbm::is_result($r)) {
357 q("INSERT INTO `glink` (`cid`, `uid`, `gcid`, `zcid`, `updated`) VALUES (%d, %d, %d, %d, '%s') ",
362 dbesc(datetime_convert())
365 q("UPDATE `glink` SET `updated` = '%s' WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d",
366 dbesc(datetime_convert()),
375 function poco_reachable($profile, $server = "", $network = "", $force = false) {
378 $server = poco_detect_server($profile);
383 return poco_check_server($server, $network, $force);
386 function poco_detect_server($profile) {
388 // Try to detect the server path based upon some known standard paths
391 if ($server_url == "") {
392 $friendica = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $profile);
393 if ($friendica != $profile) {
394 $server_url = $friendica;
395 $network = NETWORK_DFRN;
399 if ($server_url == "") {
400 $diaspora = preg_replace("=(https?://)(.*)/u/(.*)=ism", "$1$2", $profile);
401 if ($diaspora != $profile) {
402 $server_url = $diaspora;
403 $network = NETWORK_DIASPORA;
407 if ($server_url == "") {
408 $red = preg_replace("=(https?://)(.*)/channel/(.*)=ism", "$1$2", $profile);
409 if ($red != $profile) {
411 $network = NETWORK_DIASPORA;
416 if ($server_url == "") {
417 $mastodon = preg_replace("=(https?://)(.*)/users/(.*)=ism", "$1$2", $profile);
418 if ($mastodon != $profile) {
419 $server_url = $mastodon;
420 $network = NETWORK_OSTATUS;
424 // Numeric OStatus variant
425 if ($server_url == "") {
426 $ostatus = preg_replace("=(https?://)(.*)/user/(.*)=ism", "$1$2", $profile);
427 if ($ostatus != $profile) {
428 $server_url = $ostatus;
429 $network = NETWORK_OSTATUS;
434 if ($server_url == "") {
435 $base = preg_replace("=(https?://)(.*?)/(.*)=ism", "$1$2", $profile);
436 if ($base != $profile) {
438 $network = NETWORK_PHANTOM;
442 if ($server_url == "") {
446 $r = q("SELECT `id` FROM `gserver` WHERE `nurl` = '%s' AND `last_contact` > `last_failure`",
447 dbesc(normalise_link($server_url)));
448 if (dbm::is_result($r)) {
452 // Fetch the host-meta to check if this really is a server
453 $serverret = z_fetch_url($server_url."/.well-known/host-meta");
454 if (!$serverret["success"]) {
461 function poco_alternate_ostatus_url($url) {
462 return(preg_match("=https?://.+/user/\d+=ism", $url, $matches));
465 function poco_last_updated($profile, $force = false) {
467 $gcontacts = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'",
468 dbesc(normalise_link($profile)));
470 if (!dbm::is_result($gcontacts)) {
474 $contact = array("url" => $profile);
476 if ($gcontacts[0]["created"] <= NULL_DATE) {
477 $contact['created'] = datetime_convert();
481 $server_url = normalise_link(poco_detect_server($profile));
484 if (($server_url == '') AND ($gcontacts[0]["server_url"] != "")) {
485 $server_url = $gcontacts[0]["server_url"];
488 if (!$force AND (($server_url == '') OR ($gcontacts[0]["server_url"] == $gcontacts[0]["nurl"]))) {
489 $server_url = normalise_link(poco_detect_server($profile));
492 if (!in_array($gcontacts[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_FEED, NETWORK_OSTATUS, ""))) {
493 logger("Profile ".$profile.": Network type ".$gcontacts[0]["network"]." can't be checked", LOGGER_DEBUG);
497 if ($server_url != "") {
498 if (!poco_check_server($server_url, $gcontacts[0]["network"], $force)) {
500 q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
501 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
504 logger("Profile ".$profile.": Server ".$server_url." wasn't reachable.", LOGGER_DEBUG);
507 $contact['server_url'] = $server_url;
510 if (in_array($gcontacts[0]["network"], array("", NETWORK_FEED))) {
511 $server = q("SELECT `network` FROM `gserver` WHERE `nurl` = '%s' AND `network` != ''",
512 dbesc(normalise_link($server_url)));
515 $contact['network'] = $server[0]["network"];
521 // noscrape is really fast so we don't cache the call.
522 if (($server_url != "") AND ($gcontacts[0]["nick"] != "")) {
524 // Use noscrape if possible
525 $server = q("SELECT `noscrape`, `network` FROM `gserver` WHERE `nurl` = '%s' AND `noscrape` != ''", dbesc(normalise_link($server_url)));
528 $noscraperet = z_fetch_url($server[0]["noscrape"]."/".$gcontacts[0]["nick"]);
530 if ($noscraperet["success"] AND ($noscraperet["body"] != "")) {
532 $noscrape = json_decode($noscraperet["body"], true);
534 if (is_array($noscrape)) {
535 $contact["network"] = $server[0]["network"];
537 if (isset($noscrape["fn"])) {
538 $contact["name"] = $noscrape["fn"];
540 if (isset($noscrape["comm"])) {
541 $contact["community"] = $noscrape["comm"];
543 if (isset($noscrape["tags"])) {
544 $keywords = implode(" ", $noscrape["tags"]);
545 if ($keywords != "") {
546 $contact["keywords"] = $keywords;
550 $location = formatted_location($noscrape);
552 $contact["location"] = $location;
554 if (isset($noscrape["dfrn-notify"])) {
555 $contact["notify"] = $noscrape["dfrn-notify"];
557 // Remove all fields that are not present in the gcontact table
558 unset($noscrape["fn"]);
559 unset($noscrape["key"]);
560 unset($noscrape["homepage"]);
561 unset($noscrape["comm"]);
562 unset($noscrape["tags"]);
563 unset($noscrape["locality"]);
564 unset($noscrape["region"]);
565 unset($noscrape["country-name"]);
566 unset($noscrape["contacts"]);
567 unset($noscrape["dfrn-request"]);
568 unset($noscrape["dfrn-confirm"]);
569 unset($noscrape["dfrn-notify"]);
570 unset($noscrape["dfrn-poll"]);
572 // Set the date of the last contact
573 /// @todo By now the function "update_gcontact" doesn't work with this field
574 //$contact["last_contact"] = datetime_convert();
576 $contact = array_merge($contact, $noscrape);
578 update_gcontact($contact);
580 if (trim($noscrape["updated"]) != "") {
581 q("UPDATE `gcontact` SET `last_contact` = '%s' WHERE `nurl` = '%s'",
582 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
584 logger("Profile ".$profile." was last updated at ".$noscrape["updated"]." (noscrape)", LOGGER_DEBUG);
586 return $noscrape["updated"];
593 // If we only can poll the feed, then we only do this once a while
594 if (!$force AND !poco_do_update($gcontacts[0]["created"], $gcontacts[0]["updated"], $gcontacts[0]["last_failure"], $gcontacts[0]["last_contact"])) {
595 logger("Profile ".$profile." was last updated at ".$gcontacts[0]["updated"]." (cached)", LOGGER_DEBUG);
597 update_gcontact($contact);
598 return $gcontacts[0]["updated"];
601 $data = Probe::uri($profile);
603 // Is the profile link the alternate OStatus link notation? (http://domain.tld/user/4711)
604 // Then check the other link and delete this one
605 if (($data["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($profile) AND
606 (normalise_link($profile) == normalise_link($data["alias"])) AND
607 (normalise_link($profile) != normalise_link($data["url"]))) {
609 // Delete the old entry
610 q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($profile)));
611 q("DELETE FROM `glink` WHERE `gcid` = %d", intval($gcontacts[0]["id"]));
613 $gcontact = array_merge($gcontacts[0], $data);
615 $gcontact["server_url"] = $data["baseurl"];
618 $gcontact = sanitize_gcontact($gcontact);
619 update_gcontact($gcontact);
621 poco_last_updated($data["url"], $force);
622 } catch (Exception $e) {
623 logger($e->getMessage(), LOGGER_DEBUG);
626 logger("Profile ".$profile." was deleted", LOGGER_DEBUG);
630 if (($data["poll"] == "") OR (in_array($data["network"], array(NETWORK_FEED, NETWORK_PHANTOM)))) {
631 q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
632 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
634 logger("Profile ".$profile." wasn't reachable (profile)", LOGGER_DEBUG);
638 $contact = array_merge($contact, $data);
640 $contact["server_url"] = $data["baseurl"];
642 update_gcontact($contact);
644 $feedret = z_fetch_url($data["poll"]);
646 if (!$feedret["success"]) {
647 q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
648 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
650 logger("Profile ".$profile." wasn't reachable (no feed)", LOGGER_DEBUG);
654 $doc = new DOMDocument();
655 @$doc->loadXML($feedret["body"]);
657 $xpath = new DomXPath($doc);
658 $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
660 $entries = $xpath->query('/atom:feed/atom:entry');
664 foreach ($entries AS $entry) {
665 $published = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
666 $updated = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
668 if ($last_updated < $published)
669 $last_updated = $published;
671 if ($last_updated < $updated)
672 $last_updated = $updated;
675 // Maybe there aren't any entries. Then check if it is a valid feed
676 if ($last_updated == "") {
677 if ($xpath->query('/atom:feed')->length > 0) {
678 $last_updated = NULL_DATE;
681 q("UPDATE `gcontact` SET `updated` = '%s', `last_contact` = '%s' WHERE `nurl` = '%s'",
682 dbesc(dbm::date($last_updated)), dbesc(dbm::date()), dbesc(normalise_link($profile)));
684 if (($gcontacts[0]["generation"] == 0)) {
685 q("UPDATE `gcontact` SET `generation` = 9 WHERE `nurl` = '%s'",
686 dbesc(normalise_link($profile)));
689 logger("Profile ".$profile." was last updated at ".$last_updated, LOGGER_DEBUG);
691 return($last_updated);
694 function poco_do_update($created, $updated, $last_failure, $last_contact) {
695 $now = strtotime(datetime_convert());
697 if ($updated > $last_contact)
698 $contact_time = strtotime($updated);
700 $contact_time = strtotime($last_contact);
702 $failure_time = strtotime($last_failure);
703 $created_time = strtotime($created);
705 // If there is no "created" time then use the current time
706 if ($created_time <= 0)
707 $created_time = $now;
709 // If the last contact was less than 24 hours then don't update
710 if (($now - $contact_time) < (60 * 60 * 24))
713 // If the last failure was less than 24 hours then don't update
714 if (($now - $failure_time) < (60 * 60 * 24))
717 // If the last contact was less than a week ago and the last failure is older than a week then don't update
718 //if ((($now - $contact_time) < (60 * 60 * 24 * 7)) AND ($contact_time > $failure_time))
721 // If the last contact time was more than a week ago and the contact was created more than a week ago, then only try once a week
722 if ((($now - $contact_time) > (60 * 60 * 24 * 7)) AND (($now - $created_time) > (60 * 60 * 24 * 7)) AND (($now - $failure_time) < (60 * 60 * 24 * 7)))
725 // If the last contact time was more than a month ago and the contact was created more than a month ago, then only try once a month
726 if ((($now - $contact_time) > (60 * 60 * 24 * 30)) AND (($now - $created_time) > (60 * 60 * 24 * 30)) AND (($now - $failure_time) < (60 * 60 * 24 * 30)))
732 function poco_to_boolean($val) {
733 if (($val == "true") OR ($val == 1))
735 if (($val == "false") OR ($val == 0))
742 * @brief Detect server type (Hubzilla or Friendica) via the poco data
744 * @param object $data POCO data
745 * @return array Server data
747 function poco_detect_poco_data($data) {
750 if (!isset($data->entry)) {
754 if (count($data->entry) == 0) {
758 if (!isset($data->entry[0]->urls)) {
762 if (count($data->entry[0]->urls) == 0) {
766 foreach ($data->entry[0]->urls AS $url) {
767 if ($url->type == 'zot') {
769 $server["platform"] = 'Hubzilla';
770 $server["network"] = NETWORK_DIASPORA;
778 * @brief Detect server type by using the nodeinfo data
780 * @param string $server_url address of the server
781 * @return array Server data
783 function poco_fetch_nodeinfo($server_url) {
784 $serverret = z_fetch_url($server_url."/.well-known/nodeinfo");
785 if (!$serverret["success"]) {
789 $nodeinfo = json_decode($serverret['body']);
791 if (!is_object($nodeinfo)) {
795 if (!is_array($nodeinfo->links)) {
801 foreach ($nodeinfo->links AS $link) {
802 if ($link->rel == 'http://nodeinfo.diaspora.software/ns/schema/1.0') {
803 $nodeinfo_url = $link->href;
807 if ($nodeinfo_url == '') {
811 $serverret = z_fetch_url($nodeinfo_url);
812 if (!$serverret["success"]) {
816 $nodeinfo = json_decode($serverret['body']);
818 if (!is_object($nodeinfo)) {
824 $server['register_policy'] = REGISTER_CLOSED;
826 if (is_bool($nodeinfo->openRegistrations) AND $nodeinfo->openRegistrations) {
827 $server['register_policy'] = REGISTER_OPEN;
830 if (is_object($nodeinfo->software)) {
831 if (isset($nodeinfo->software->name)) {
832 $server['platform'] = $nodeinfo->software->name;
835 if (isset($nodeinfo->software->version)) {
836 $server['version'] = $nodeinfo->software->version;
837 // Version numbers on Nodeinfo are presented with additional info, e.g.:
838 // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
839 $server['version'] = preg_replace("=(.+)-(.{4,})=ism", "$1", $server['version']);
843 if (is_object($nodeinfo->metadata)) {
844 if (isset($nodeinfo->metadata->nodeName)) {
845 $server['site_name'] = $nodeinfo->metadata->nodeName;
853 if (is_array($nodeinfo->protocols->inbound)) {
854 foreach ($nodeinfo->protocols->inbound AS $inbound) {
855 if ($inbound == 'diaspora') {
858 if ($inbound == 'friendica') {
861 if ($inbound == 'gnusocial') {
868 $server['network'] = NETWORK_OSTATUS;
871 $server['network'] = NETWORK_DIASPORA;
874 $server['network'] = NETWORK_DFRN;
885 * @brief Detect server type (Hubzilla or Friendica) via the front page body
887 * @param string $body Front page of the server
888 * @return array Server data
890 function poco_detect_server_type($body) {
893 $doc = new DOMDocument();
894 @$doc->loadHTML($body);
895 $xpath = new DomXPath($doc);
897 $list = $xpath->query("//meta[@name]");
899 foreach ($list as $node) {
901 if ($node->attributes->length) {
902 foreach ($node->attributes as $attribute) {
903 $attr[$attribute->name] = $attribute->value;
906 if ($attr['name'] == 'generator') {
907 $version_part = explode(" ", $attr['content']);
908 if (count($version_part) == 2) {
909 if (in_array($version_part[0], array("Friendika", "Friendica"))) {
911 $server["platform"] = $version_part[0];
912 $server["version"] = $version_part[1];
913 $server["network"] = NETWORK_DFRN;
920 $list = $xpath->query("//meta[@property]");
922 foreach ($list as $node) {
924 if ($node->attributes->length) {
925 foreach ($node->attributes as $attribute) {
926 $attr[$attribute->name] = $attribute->value;
929 if ($attr['property'] == 'generator') {
930 if (in_array($attr['content'], array("hubzilla", "BlaBlaNet"))) {
932 $server["platform"] = $attr['content'];
933 $server["version"] = "";
934 $server["network"] = NETWORK_DIASPORA;
944 $server["site_name"] = $xpath->evaluate($element."//head/title/text()", $context)->item(0)->nodeValue;
948 function poco_check_server($server_url, $network = "", $force = false) {
950 // Unify the server address
951 $server_url = trim($server_url, "/");
952 $server_url = str_replace("/index.php", "", $server_url);
954 if ($server_url == "")
957 $servers = q("SELECT * FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
958 if (dbm::is_result($servers)) {
960 if ($servers[0]["created"] <= NULL_DATE) {
961 q("UPDATE `gserver` SET `created` = '%s' WHERE `nurl` = '%s'",
962 dbesc(datetime_convert()), dbesc(normalise_link($server_url)));
964 $poco = $servers[0]["poco"];
965 $noscrape = $servers[0]["noscrape"];
968 $network = $servers[0]["network"];
970 $last_contact = $servers[0]["last_contact"];
971 $last_failure = $servers[0]["last_failure"];
972 $version = $servers[0]["version"];
973 $platform = $servers[0]["platform"];
974 $site_name = $servers[0]["site_name"];
975 $info = $servers[0]["info"];
976 $register_policy = $servers[0]["register_policy"];
978 if (!$force AND !poco_do_update($servers[0]["created"], "", $last_failure, $last_contact)) {
979 logger("Use cached data for server ".$server_url, LOGGER_DEBUG);
980 return ($last_contact >= $last_failure);
989 $register_policy = -1;
991 $last_contact = NULL_DATE;
992 $last_failure = NULL_DATE;
994 logger("Server ".$server_url." is outdated or unknown. Start discovery. Force: ".$force." Created: ".$servers[0]["created"]." Failure: ".$last_failure." Contact: ".$last_contact, LOGGER_DEBUG);
997 $possible_failure = false;
998 $orig_last_failure = $last_failure;
999 $orig_last_contact = $last_contact;
1001 // Check if the page is accessible via SSL.
1002 $orig_server_url = $server_url;
1003 $server_url = str_replace("http://", "https://", $server_url);
1005 // We set the timeout to 20 seconds since this operation should be done in no time if the server was vital
1006 $serverret = z_fetch_url($server_url."/.well-known/host-meta", false, $redirects, array('timeout' => 20));
1008 // Quit if there is a timeout.
1009 // But we want to make sure to only quit if we are mostly sure that this server url fits.
1010 if (dbm::is_result($servers) AND ($orig_server_url == $server_url) AND
1011 ($serverret['errno'] == CURLE_OPERATION_TIMEDOUT)) {
1012 logger("Connection to server ".$server_url." timed out.", LOGGER_DEBUG);
1013 dba::p("UPDATE `gserver` SET `last_failure` = ? WHERE `nurl` = ?", datetime_convert(), normalise_link($server_url));
1017 // Maybe the page is unencrypted only?
1018 $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
1019 if (!$serverret["success"] OR ($serverret["body"] == "") OR (@sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
1020 $server_url = str_replace("https://", "http://", $server_url);
1022 // We set the timeout to 20 seconds since this operation should be done in no time if the server was vital
1023 $serverret = z_fetch_url($server_url."/.well-known/host-meta", false, $redirects, array('timeout' => 20));
1025 // Quit if there is a timeout
1026 if ($serverret['errno'] == CURLE_OPERATION_TIMEDOUT) {
1027 logger("Connection to server ".$server_url." timed out.", LOGGER_DEBUG);
1028 dba::p("UPDATE `gserver` SET `last_failure` = ? WHERE `nurl` = ?", datetime_convert(), normalise_link($server_url));
1032 $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
1035 if (!$serverret["success"] OR ($serverret["body"] == "") OR (sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
1036 // Workaround for bad configured servers (known nginx problem)
1037 if (!in_array($serverret["debug"]["http_code"], array("403", "404"))) {
1040 $possible_failure = true;
1043 // If the server has no possible failure we reset the cached data
1044 if (!$possible_failure) {
1049 $register_policy = -1;
1054 $serverret = z_fetch_url($server_url."/poco");
1055 if ($serverret["success"]) {
1056 $data = json_decode($serverret["body"]);
1057 if (isset($data->totalResults)) {
1058 $poco = $server_url."/poco";
1059 $server = poco_detect_poco_data($data);
1061 $platform = $server['platform'];
1062 $network = $server['network'];
1071 // Test for Diaspora, Hubzilla, Mastodon or older Friendica servers
1072 $serverret = z_fetch_url($server_url);
1074 if (!$serverret["success"] OR ($serverret["body"] == "")) {
1077 $server = poco_detect_server_type($serverret["body"]);
1079 $platform = $server['platform'];
1080 $network = $server['network'];
1081 $version = $server['version'];
1082 $site_name = $server['site_name'];
1085 $lines = explode("\n",$serverret["header"]);
1087 foreach($lines as $line) {
1088 $line = trim($line);
1089 if(stristr($line,'X-Diaspora-Version:')) {
1090 $platform = "Diaspora";
1091 $version = trim(str_replace("X-Diaspora-Version:", "", $line));
1092 $version = trim(str_replace("x-diaspora-version:", "", $version));
1093 $network = NETWORK_DIASPORA;
1094 $versionparts = explode("-", $version);
1095 $version = $versionparts[0];
1098 if(stristr($line,'Server: Mastodon')) {
1099 $platform = "Mastodon";
1100 $network = NETWORK_OSTATUS;
1107 if (!$failure AND ($poco == "")) {
1108 // Test for Statusnet
1109 // Will also return data for Friendica and GNU Social - but it will be overwritten later
1110 // The "not implemented" is a special treatment for really, really old Friendica versions
1111 $serverret = z_fetch_url($server_url."/api/statusnet/version.json");
1112 if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND
1113 ($serverret["body"] != '') AND (strlen($serverret["body"]) < 30)) {
1114 $platform = "StatusNet";
1115 // Remove junk that some GNU Social servers return
1116 $version = str_replace(chr(239).chr(187).chr(191), "", $serverret["body"]);
1117 $version = trim($version, '"');
1118 $network = NETWORK_OSTATUS;
1121 // Test for GNU Social
1122 $serverret = z_fetch_url($server_url."/api/gnusocial/version.json");
1123 if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND
1124 ($serverret["body"] != '') AND (strlen($serverret["body"]) < 30)) {
1125 $platform = "GNU Social";
1126 // Remove junk that some GNU Social servers return
1127 $version = str_replace(chr(239).chr(187).chr(191), "", $serverret["body"]);
1128 $version = trim($version, '"');
1129 $network = NETWORK_OSTATUS;
1132 // Test for Mastodon
1133 $serverret = z_fetch_url($server_url."/api/v1/instance");
1134 if ($serverret["success"] AND ($serverret["body"] != '')) {
1135 $data = json_decode($serverret["body"]);
1136 if (isset($data->version)) {
1137 $platform = "Mastodon";
1138 $version = $data->version;
1139 $site_name = $data->title;
1140 $info = $data->description;
1141 $network = NETWORK_OSTATUS;
1147 // Test for Hubzilla, Redmatrix or Friendica
1148 $serverret = z_fetch_url($server_url."/api/statusnet/config.json");
1149 if ($serverret["success"]) {
1150 $data = json_decode($serverret["body"]);
1151 if (isset($data->site->server)) {
1152 if (isset($data->site->platform)) {
1153 $platform = $data->site->platform->PLATFORM_NAME;
1154 $version = $data->site->platform->STD_VERSION;
1155 $network = NETWORK_DIASPORA;
1157 if (isset($data->site->BlaBlaNet)) {
1158 $platform = $data->site->BlaBlaNet->PLATFORM_NAME;
1159 $version = $data->site->BlaBlaNet->STD_VERSION;
1160 $network = NETWORK_DIASPORA;
1162 if (isset($data->site->hubzilla)) {
1163 $platform = $data->site->hubzilla->PLATFORM_NAME;
1164 $version = $data->site->hubzilla->RED_VERSION;
1165 $network = NETWORK_DIASPORA;
1167 if (isset($data->site->redmatrix)) {
1168 if (isset($data->site->redmatrix->PLATFORM_NAME))
1169 $platform = $data->site->redmatrix->PLATFORM_NAME;
1170 elseif (isset($data->site->redmatrix->RED_PLATFORM))
1171 $platform = $data->site->redmatrix->RED_PLATFORM;
1173 $version = $data->site->redmatrix->RED_VERSION;
1174 $network = NETWORK_DIASPORA;
1176 if (isset($data->site->friendica)) {
1177 $platform = $data->site->friendica->FRIENDICA_PLATFORM;
1178 $version = $data->site->friendica->FRIENDICA_VERSION;
1179 $network = NETWORK_DFRN;
1182 $site_name = $data->site->name;
1184 $data->site->closed = poco_to_boolean($data->site->closed);
1185 $data->site->private = poco_to_boolean($data->site->private);
1186 $data->site->inviteonly = poco_to_boolean($data->site->inviteonly);
1188 if (!$data->site->closed AND !$data->site->private and $data->site->inviteonly)
1189 $register_policy = REGISTER_APPROVE;
1190 elseif (!$data->site->closed AND !$data->site->private)
1191 $register_policy = REGISTER_OPEN;
1193 $register_policy = REGISTER_CLOSED;
1198 // Query statistics.json. Optional package for Diaspora, Friendica and Redmatrix
1200 $serverret = z_fetch_url($server_url."/statistics.json");
1201 if ($serverret["success"]) {
1202 $data = json_decode($serverret["body"]);
1203 if (isset($data->version)) {
1204 $version = $data->version;
1205 // Version numbers on statistics.json are presented with additional info, e.g.:
1206 // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
1207 $version = preg_replace("=(.+)-(.{4,})=ism", "$1", $version);
1210 $site_name = $data->name;
1212 if (isset($data->network)) {
1213 $platform = $data->network;
1216 if ($platform == "Diaspora") {
1217 $network = NETWORK_DIASPORA;
1220 if ($data->registrations_open) {
1221 $register_policy = REGISTER_OPEN;
1223 $register_policy = REGISTER_CLOSED;
1228 // Query nodeinfo. Working for (at least) Diaspora and Friendica.
1230 $server = poco_fetch_nodeinfo($server_url);
1232 $register_policy = $server['register_policy'];
1234 if (isset($server['platform'])) {
1235 $platform = $server['platform'];
1238 if (isset($server['network'])) {
1239 $network = $server['network'];
1242 if (isset($server['version'])) {
1243 $version = $server['version'];
1246 if (isset($server['site_name'])) {
1247 $site_name = $server['site_name'];
1252 // Check for noscrape
1253 // Friendica servers could be detected as OStatus servers
1254 if (!$failure AND in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS))) {
1255 $serverret = z_fetch_url($server_url."/friendica/json");
1257 if (!$serverret["success"])
1258 $serverret = z_fetch_url($server_url."/friendika/json");
1260 if ($serverret["success"]) {
1261 $data = json_decode($serverret["body"]);
1263 if (isset($data->version)) {
1264 $network = NETWORK_DFRN;
1266 $noscrape = $data->no_scrape_url;
1267 $version = $data->version;
1268 $site_name = $data->site_name;
1269 $info = $data->info;
1270 $register_policy_str = $data->register_policy;
1271 $platform = $data->platform;
1273 switch ($register_policy_str) {
1274 case "REGISTER_CLOSED":
1275 $register_policy = REGISTER_CLOSED;
1277 case "REGISTER_APPROVE":
1278 $register_policy = REGISTER_APPROVE;
1280 case "REGISTER_OPEN":
1281 $register_policy = REGISTER_OPEN;
1288 if ($possible_failure AND !$failure) {
1293 $last_contact = $orig_last_contact;
1294 $last_failure = datetime_convert();
1296 $last_contact = datetime_convert();
1297 $last_failure = $orig_last_failure;
1300 if (($last_contact <= $last_failure) AND !$failure) {
1301 logger("Server ".$server_url." seems to be alive, but last contact wasn't set - could be a bug", LOGGER_DEBUG);
1302 } else if (($last_contact >= $last_failure) AND $failure) {
1303 logger("Server ".$server_url." seems to be dead, but last failure wasn't set - could be a bug", LOGGER_DEBUG);
1306 // Check again if the server exists
1307 $servers = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
1309 $version = strip_tags($version);
1310 $site_name = strip_tags($site_name);
1311 $info = strip_tags($info);
1312 $platform = strip_tags($platform);
1315 q("UPDATE `gserver` SET `url` = '%s', `version` = '%s', `site_name` = '%s', `info` = '%s', `register_policy` = %d, `poco` = '%s', `noscrape` = '%s',
1316 `network` = '%s', `platform` = '%s', `last_contact` = '%s', `last_failure` = '%s' WHERE `nurl` = '%s'",
1321 intval($register_policy),
1326 dbesc($last_contact),
1327 dbesc($last_failure),
1328 dbesc(normalise_link($server_url))
1330 } elseif (!$failure) {
1331 q("INSERT INTO `gserver` (`url`, `nurl`, `version`, `site_name`, `info`, `register_policy`, `poco`, `noscrape`, `network`, `platform`, `created`, `last_contact`, `last_failure`)
1332 VALUES ('%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s')",
1334 dbesc(normalise_link($server_url)),
1338 intval($register_policy),
1343 dbesc(datetime_convert()),
1344 dbesc($last_contact),
1345 dbesc($last_failure),
1346 dbesc(datetime_convert())
1349 logger("End discovery for server ".$server_url, LOGGER_DEBUG);
1354 function count_common_friends($uid,$cid) {
1356 $r = q("SELECT count(*) as `total`
1357 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1358 WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
1359 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
1360 AND `gcontact`.`nurl` IN (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d ) ",
1367 // logger("count_common_friends: $uid $cid {$r[0]['total']}");
1368 if (dbm::is_result($r))
1369 return $r[0]['total'];
1375 function common_friends($uid,$cid,$start = 0,$limit=9999,$shuffle = false) {
1378 $sql_extra = " order by rand() ";
1380 $sql_extra = " order by `gcontact`.`name` asc ";
1382 $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid`
1384 INNER JOIN `gcontact` ON `glink`.`gcid` = `gcontact`.`id`
1385 INNER JOIN `contact` ON `gcontact`.`nurl` = `contact`.`nurl`
1386 WHERE `glink`.`cid` = %d and `glink`.`uid` = %d
1387 AND `contact`.`uid` = %d AND `contact`.`self` = 0 AND `contact`.`blocked` = 0
1388 AND `contact`.`hidden` = 0 AND `contact`.`id` != %d
1389 AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
1390 $sql_extra LIMIT %d, %d",
1404 function count_common_friends_zcid($uid,$zcid) {
1406 $r = q("SELECT count(*) as `total`
1407 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1408 where `glink`.`zcid` = %d
1409 and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) ",
1414 if (dbm::is_result($r))
1415 return $r[0]['total'];
1420 function common_friends_zcid($uid,$zcid,$start = 0, $limit = 9999,$shuffle = false) {
1423 $sql_extra = " order by rand() ";
1425 $sql_extra = " order by `gcontact`.`name` asc ";
1427 $r = q("SELECT `gcontact`.*
1428 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1429 where `glink`.`zcid` = %d
1430 and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 )
1431 $sql_extra limit %d, %d",
1443 function count_all_friends($uid,$cid) {
1445 $r = q("SELECT count(*) as `total`
1446 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1447 where `glink`.`cid` = %d and `glink`.`uid` = %d AND
1448 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))",
1453 if (dbm::is_result($r))
1454 return $r[0]['total'];
1460 function all_friends($uid,$cid,$start = 0, $limit = 80) {
1462 $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid`
1464 INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1465 LEFT JOIN `contact` ON `contact`.`nurl` = `gcontact`.`nurl` AND `contact`.`uid` = %d
1466 WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
1467 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
1468 ORDER BY `gcontact`.`name` ASC LIMIT %d, %d ",
1481 function suggestion_query($uid, $start = 0, $limit = 80) {
1487 // Uncommented because the result of the queries are to big to store it in the cache.
1488 // We need to decide if we want to change the db column type or if we want to delete it.
1489 // $list = Cache::get("suggestion_query:".$uid.":".$start.":".$limit);
1490 // if (!is_null($list)) {
1494 $network = array(NETWORK_DFRN);
1496 if (get_config('system','diaspora_enabled'))
1497 $network[] = NETWORK_DIASPORA;
1499 if (!get_config('system','ostatus_disabled'))
1500 $network[] = NETWORK_OSTATUS;
1502 $sql_network = implode("', '", $network);
1503 $sql_network = "'".$sql_network."'";
1505 /// @todo This query is really slow
1506 // By now we cache the data for five minutes
1507 $r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact
1508 INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
1509 where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d )
1510 AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
1511 AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
1512 AND `gcontact`.`updated` >= '%s'
1513 AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
1514 AND `gcontact`.`network` IN (%s)
1515 GROUP BY `glink`.`gcid` ORDER BY `gcontact`.`updated` DESC,`total` DESC LIMIT %d, %d",
1526 if (dbm::is_result($r) && count($r) >= ($limit -1)) {
1527 // Uncommented because the result of the queries are to big to store it in the cache.
1528 // We need to decide if we want to change the db column type or if we want to delete it.
1529 // Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $r, CACHE_FIVE_MINUTES);
1534 $r2 = q("SELECT gcontact.* FROM gcontact
1535 INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
1536 WHERE `glink`.`uid` = 0 AND `glink`.`cid` = 0 AND `glink`.`zcid` = 0 AND NOT `gcontact`.`nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` = %d)
1537 AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
1538 AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
1539 AND `gcontact`.`updated` >= '%s'
1540 AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
1541 AND `gcontact`.`network` IN (%s)
1542 ORDER BY rand() LIMIT %d, %d",
1553 foreach ($r2 AS $suggestion)
1554 $list[$suggestion["nurl"]] = $suggestion;
1556 foreach ($r AS $suggestion)
1557 $list[$suggestion["nurl"]] = $suggestion;
1559 while (sizeof($list) > ($limit))
1562 // Uncommented because the result of the queries are to big to store it in the cache.
1563 // We need to decide if we want to change the db column type or if we want to delete it.
1564 // Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $list, CACHE_FIVE_MINUTES);
1568 function update_suggestions() {
1574 /// @TODO Check if it is really neccessary to poll the own server
1575 poco_load(0,0,0,App::get_baseurl() . '/poco');
1577 $done[] = App::get_baseurl() . '/poco';
1579 if (strlen(get_config('system','directory'))) {
1580 $x = fetch_url(get_server()."/pubsites");
1582 $j = json_decode($x);
1584 foreach ($j->entries as $entry) {
1586 poco_check_server($entry->url);
1588 $url = $entry->url . '/poco';
1589 if (! in_array($url,$done)) {
1590 poco_load(0,0,0,$entry->url . '/poco');
1597 // Query your contacts from Friendica and Redmatrix/Hubzilla for their contacts
1598 $r = q("SELECT DISTINCT(`poco`) AS `poco` FROM `contact` WHERE `network` IN ('%s', '%s')",
1599 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA)
1602 if (dbm::is_result($r)) {
1603 foreach ($r as $rr) {
1604 $base = substr($rr['poco'],0,strrpos($rr['poco'],'/'));
1605 if(! in_array($base,$done))
1606 poco_load(0,0,0,$base);
1612 * @brief Fetch server list from remote servers and adds them when they are new.
1614 * @param string $poco URL to the POCO endpoint
1616 function poco_fetch_serverlist($poco) {
1617 $serverret = z_fetch_url($poco."/@server");
1618 if (!$serverret["success"]) {
1621 $serverlist = json_decode($serverret['body']);
1623 if (!is_array($serverlist)) {
1627 foreach ($serverlist AS $server) {
1628 $server_url = str_replace("/index.php", "", $server->url);
1630 $r = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
1631 if (!dbm::is_result($r)) {
1632 logger("Call server check for server ".$server_url, LOGGER_DEBUG);
1633 proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode($server_url));
1638 function poco_discover_federation() {
1639 $last = get_config('poco','last_federation_discovery');
1642 $next = $last + (24 * 60 * 60);
1647 // Discover Friendica, Hubzilla and Diaspora servers
1648 $serverdata = fetch_url("http://the-federation.info/pods.json");
1651 $servers = json_decode($serverdata);
1653 foreach ($servers->pods AS $server) {
1654 proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode("https://".$server->host));
1658 // Disvover Mastodon servers
1659 if (!Config::get('system','ostatus_disabled')) {
1660 $serverdata = fetch_url("https://instances.mastodon.xyz/instances.json");
1663 $servers = json_decode($serverdata);
1665 foreach ($servers AS $server) {
1666 $url = (is_null($server->https_score) ? 'http' : 'https').'://'.$server->name;
1667 proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode($url));
1672 // Currently disabled, since the service isn't available anymore.
1673 // It is not removed since I hope that there will be a successor.
1674 // Discover GNU Social Servers.
1675 //if (!get_config('system','ostatus_disabled')) {
1676 // $serverdata = "http://gstools.org/api/get_open_instances/";
1678 // $result = z_fetch_url($serverdata);
1679 // if ($result["success"]) {
1680 // $servers = json_decode($result["body"]);
1682 // foreach($servers->data AS $server)
1683 // poco_check_server($server->instance_address);
1687 set_config('poco','last_federation_discovery', time());
1690 function poco_discover_single_server($id) {
1691 $r = q("SELECT `poco`, `nurl`, `url`, `network` FROM `gserver` WHERE `id` = %d", intval($id));
1692 if (!dbm::is_result($r)) {
1698 // Discover new servers out there (Works from Friendica version 3.5.2)
1699 poco_fetch_serverlist($server["poco"]);
1701 // Fetch all users from the other server
1702 $url = $server["poco"]."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1704 logger("Fetch all users from the server ".$server["url"], LOGGER_DEBUG);
1706 $retdata = z_fetch_url($url);
1707 if ($retdata["success"]) {
1708 $data = json_decode($retdata["body"]);
1710 poco_discover_server($data, 2);
1712 if (get_config('system','poco_discovery') > 1) {
1714 $timeframe = get_config('system','poco_discovery_since');
1715 if ($timeframe == 0) {
1719 $updatedSince = date("Y-m-d H:i:s", time() - $timeframe * 86400);
1721 // Fetch all global contacts from the other server (Not working with Redmatrix and Friendica versions before 3.3)
1722 $url = $server["poco"]."/@global?updatedSince=".$updatedSince."&fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1726 $retdata = z_fetch_url($url);
1727 if ($retdata["success"]) {
1728 logger("Fetch all global contacts from the server ".$server["nurl"], LOGGER_DEBUG);
1729 $success = poco_discover_server(json_decode($retdata["body"]));
1732 if (!$success AND (get_config('system','poco_discovery') > 2)) {
1733 logger("Fetch contacts from users of the server ".$server["nurl"], LOGGER_DEBUG);
1734 poco_discover_server_users($data, $server);
1738 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
1742 // If the server hadn't replied correctly, then force a sanity check
1743 poco_check_server($server["url"], $server["network"], true);
1745 // If we couldn't reach the server, we will try it some time later
1746 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
1752 function poco_discover($complete = false) {
1754 // Update the server list
1755 poco_discover_federation();
1759 $requery_days = intval(get_config("system", "poco_requery_days"));
1761 if ($requery_days == 0) {
1764 $last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
1766 $r = q("SELECT `id`, `url`, `network` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `poco` != '' AND `last_poco_query` < '%s' ORDER BY RAND()", dbesc($last_update));
1767 if (dbm::is_result($r)) {
1768 foreach ($r AS $server) {
1770 if (!poco_check_server($server["url"], $server["network"])) {
1771 // The server is not reachable? Okay, then we will try it later
1772 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
1776 logger('Update directory from server '.$server['url'].' with ID '.$server['id'], LOGGER_DEBUG);
1777 proc_run(PRIORITY_LOW, "include/discover_poco.php", "update_server_directory", intval($server['id']));
1779 if (!$complete AND (--$no_of_queries == 0)) {
1786 function poco_discover_server_users($data, $server) {
1788 if (!isset($data->entry))
1791 foreach ($data->entry AS $entry) {
1793 if (isset($entry->urls)) {
1794 foreach($entry->urls as $url)
1795 if ($url->type == 'profile') {
1796 $profile_url = $url->value;
1797 $urlparts = parse_url($profile_url);
1798 $username = end(explode("/", $urlparts["path"]));
1801 if ($username != "") {
1802 logger("Fetch contacts for the user ".$username." from the server ".$server["nurl"], LOGGER_DEBUG);
1804 // Fetch all contacts from a given user from the other server
1805 $url = $server["poco"]."/".$username."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1807 $retdata = z_fetch_url($url);
1808 if ($retdata["success"])
1809 poco_discover_server(json_decode($retdata["body"]), 3);
1814 function poco_discover_server($data, $default_generation = 0) {
1816 if (!isset($data->entry) OR !count($data->entry))
1821 foreach ($data->entry AS $entry) {
1823 $profile_photo = '';
1827 $updated = NULL_DATE;
1833 $generation = $default_generation;
1835 $name = $entry->displayName;
1837 if (isset($entry->urls)) {
1838 foreach($entry->urls as $url) {
1839 if ($url->type == 'profile') {
1840 $profile_url = $url->value;
1843 if ($url->type == 'webfinger') {
1844 $connect_url = str_replace('acct:' , '', $url->value);
1850 if (isset($entry->photos)) {
1851 foreach ($entry->photos as $photo) {
1852 if ($photo->type == 'profile') {
1853 $profile_photo = $photo->value;
1859 if (isset($entry->updated)) {
1860 $updated = date("Y-m-d H:i:s", strtotime($entry->updated));
1863 if(isset($entry->network)) {
1864 $network = $entry->network;
1867 if(isset($entry->currentLocation)) {
1868 $location = $entry->currentLocation;
1871 if(isset($entry->aboutMe)) {
1872 $about = html2bbcode($entry->aboutMe);
1875 if(isset($entry->gender)) {
1876 $gender = $entry->gender;
1879 if(isset($entry->generation) AND ($entry->generation > 0)) {
1880 $generation = ++$entry->generation;
1883 if(isset($entry->contactType) AND ($entry->contactType >= 0)) {
1884 $contact_type = $entry->contactType;
1887 if(isset($entry->tags)) {
1888 foreach ($entry->tags as $tag) {
1889 $keywords = implode(", ", $tag);
1893 if ($generation > 0) {
1896 logger("Store profile ".$profile_url, LOGGER_DEBUG);
1898 $gcontact = array("url" => $profile_url,
1900 "network" => $network,
1901 "photo" => $profile_photo,
1903 "location" => $location,
1904 "gender" => $gender,
1905 "keywords" => $keywords,
1906 "connect" => $connect_url,
1907 "updated" => $updated,
1908 "contact-type" => $contact_type,
1909 "generation" => $generation);
1912 $gcontact = sanitize_gcontact($gcontact);
1913 update_gcontact($gcontact);
1914 } catch (Exception $e) {
1915 logger($e->getMessage(), LOGGER_DEBUG);
1918 logger("Done for profile ".$profile_url, LOGGER_DEBUG);
1925 * @brief Removes unwanted parts from a contact url
1927 * @param string $url Contact url
1928 * @return string Contact url with the wanted parts
1930 function clean_contact_url($url) {
1931 $parts = parse_url($url);
1933 if (!isset($parts["scheme"]) OR !isset($parts["host"]))
1936 $new_url = $parts["scheme"]."://".$parts["host"];
1938 if (isset($parts["port"]))
1939 $new_url .= ":".$parts["port"];
1941 if (isset($parts["path"]))
1942 $new_url .= $parts["path"];
1944 if ($new_url != $url)
1945 logger("Cleaned contact url ".$url." to ".$new_url." - Called by: ".App::callstack(), LOGGER_DEBUG);
1951 * @brief Replace alternate OStatus user format with the primary one
1953 * @param arr $contact contact array (called by reference)
1955 function fix_alternate_contact_address(&$contact) {
1956 if (($contact["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($contact["url"])) {
1957 $data = probe_url($contact["url"]);
1958 if ($contact["network"] == NETWORK_OSTATUS) {
1959 logger("Fix primary url from ".$contact["url"]." to ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
1960 $contact["url"] = $data["url"];
1961 $contact["addr"] = $data["addr"];
1962 $contact["alias"] = $data["alias"];
1963 $contact["server_url"] = $data["baseurl"];
1969 * @brief Fetch the gcontact id, add an entry if not existed
1971 * @param arr $contact contact array
1972 * @return bool|int Returns false if not found, integer if contact was found
1974 function get_gcontact_id($contact) {
1979 if (in_array($contact["network"], array(NETWORK_PHANTOM))) {
1980 logger("Invalid network for contact url ".$contact["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
1984 if ($contact["network"] == NETWORK_STATUSNET)
1985 $contact["network"] = NETWORK_OSTATUS;
1987 // All new contacts are hidden by default
1988 if (!isset($contact["hide"]))
1989 $contact["hide"] = true;
1991 // Replace alternate OStatus user format with the primary one
1992 fix_alternate_contact_address($contact);
1994 // Remove unwanted parts from the contact url (e.g. "?zrl=...")
1995 if (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)))
1996 $contact["url"] = clean_contact_url($contact["url"]);
1998 $r = q("SELECT `id`, `last_contact`, `last_failure`, `network` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 2",
1999 dbesc(normalise_link($contact["url"])));
2002 $gcontact_id = $r[0]["id"];
2004 // Update every 90 days
2005 if (in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) {
2006 $last_failure_str = $r[0]["last_failure"];
2007 $last_failure = strtotime($r[0]["last_failure"]);
2008 $last_contact_str = $r[0]["last_contact"];
2009 $last_contact = strtotime($r[0]["last_contact"]);
2010 $doprobing = (((time() - $last_contact) > (90 * 86400)) AND ((time() - $last_failure) > (90 * 86400)));
2013 q("INSERT INTO `gcontact` (`name`, `nick`, `addr` , `network`, `url`, `nurl`, `photo`, `created`, `updated`, `location`, `about`, `hide`, `generation`)
2014 VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d)",
2015 dbesc($contact["name"]),
2016 dbesc($contact["nick"]),
2017 dbesc($contact["addr"]),
2018 dbesc($contact["network"]),
2019 dbesc($contact["url"]),
2020 dbesc(normalise_link($contact["url"])),
2021 dbesc($contact["photo"]),
2022 dbesc(datetime_convert()),
2023 dbesc(datetime_convert()),
2024 dbesc($contact["location"]),
2025 dbesc($contact["about"]),
2026 intval($contact["hide"]),
2027 intval($contact["generation"])
2030 $r = q("SELECT `id`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 2",
2031 dbesc(normalise_link($contact["url"])));
2034 $gcontact_id = $r[0]["id"];
2036 $doprobing = in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""));
2041 logger("Last Contact: ". $last_contact_str." - Last Failure: ".$last_failure_str." - Checking: ".$contact["url"], LOGGER_DEBUG);
2042 proc_run(PRIORITY_LOW, 'include/gprobe.php', bin2hex($contact["url"]));
2045 if ((dbm::is_result($r)) AND (count($r) > 1) AND ($gcontact_id > 0) AND ($contact["url"] != ""))
2046 q("DELETE FROM `gcontact` WHERE `nurl` = '%s' AND `id` != %d",
2047 dbesc(normalise_link($contact["url"])),
2048 intval($gcontact_id));
2050 return $gcontact_id;
2054 * @brief Updates the gcontact table from a given array
2056 * @param arr $contact contact array
2057 * @return bool|int Returns false if not found, integer if contact was found
2059 function update_gcontact($contact) {
2061 // Check for invalid "contact-type" value
2062 if (isset($contact['contact-type']) AND (intval($contact['contact-type']) < 0)) {
2063 $contact['contact-type'] = 0;
2066 /// @todo update contact table as well
2068 $gcontact_id = get_gcontact_id($contact);
2073 $r = q("SELECT `name`, `nick`, `photo`, `location`, `about`, `addr`, `generation`, `birthday`, `gender`, `keywords`,
2074 `contact-type`, `hide`, `nsfw`, `network`, `alias`, `notify`, `server_url`, `connect`, `updated`, `url`
2075 FROM `gcontact` WHERE `id` = %d LIMIT 1",
2076 intval($gcontact_id));
2078 // Get all field names
2080 foreach ($r[0] AS $field => $data)
2081 $fields[$field] = $data;
2083 unset($fields["url"]);
2084 unset($fields["updated"]);
2085 unset($fields["hide"]);
2087 // Bugfix: We had an error in the storing of keywords which lead to the "0"
2088 // This value is still transmitted via poco.
2089 if ($contact["keywords"] == "0")
2090 unset($contact["keywords"]);
2092 if ($r[0]["keywords"] == "0")
2093 $r[0]["keywords"] = "";
2095 // assign all unassigned fields from the database entry
2096 foreach ($fields AS $field => $data)
2097 if (!isset($contact[$field]) OR ($contact[$field] == ""))
2098 $contact[$field] = $r[0][$field];
2100 if (!isset($contact["hide"]))
2101 $contact["hide"] = $r[0]["hide"];
2103 $fields["hide"] = $r[0]["hide"];
2105 if ($contact["network"] == NETWORK_STATUSNET)
2106 $contact["network"] = NETWORK_OSTATUS;
2108 // Replace alternate OStatus user format with the primary one
2109 fix_alternate_contact_address($contact);
2111 if (!isset($contact["updated"]))
2112 $contact["updated"] = dbm::date();
2114 if ($contact["server_url"] == "") {
2115 $server_url = $contact["url"];
2117 $server_url = matching_url($server_url, $contact["alias"]);
2118 if ($server_url != "")
2119 $contact["server_url"] = $server_url;
2121 $server_url = matching_url($server_url, $contact["photo"]);
2122 if ($server_url != "")
2123 $contact["server_url"] = $server_url;
2125 $server_url = matching_url($server_url, $contact["notify"]);
2126 if ($server_url != "")
2127 $contact["server_url"] = $server_url;
2129 $contact["server_url"] = normalise_link($contact["server_url"]);
2131 if (($contact["addr"] == "") AND ($contact["server_url"] != "") AND ($contact["nick"] != "")) {
2132 $hostname = str_replace("http://", "", $contact["server_url"]);
2133 $contact["addr"] = $contact["nick"]."@".$hostname;
2136 // Check if any field changed
2138 unset($fields["generation"]);
2140 if ((($contact["generation"] > 0) AND ($contact["generation"] <= $r[0]["generation"])) OR ($r[0]["generation"] == 0)) {
2141 foreach ($fields AS $field => $data)
2142 if ($contact[$field] != $r[0][$field]) {
2143 logger("Difference for contact ".$contact["url"]." in field '".$field."'. New value: '".$contact[$field]."', old value '".$r[0][$field]."'", LOGGER_DEBUG);
2147 if ($contact["generation"] < $r[0]["generation"]) {
2148 logger("Difference for contact ".$contact["url"]." in field 'generation'. new value: '".$contact["generation"]."', old value '".$r[0]["generation"]."'", LOGGER_DEBUG);
2154 logger("Update gcontact for ".$contact["url"], LOGGER_DEBUG);
2156 q("UPDATE `gcontact` SET `photo` = '%s', `name` = '%s', `nick` = '%s', `addr` = '%s', `network` = '%s',
2157 `birthday` = '%s', `gender` = '%s', `keywords` = '%s', `hide` = %d, `nsfw` = %d,
2158 `contact-type` = %d, `alias` = '%s', `notify` = '%s', `url` = '%s',
2159 `location` = '%s', `about` = '%s', `generation` = %d, `updated` = '%s',
2160 `server_url` = '%s', `connect` = '%s'
2161 WHERE `nurl` = '%s' AND (`generation` = 0 OR `generation` >= %d)",
2162 dbesc($contact["photo"]), dbesc($contact["name"]), dbesc($contact["nick"]),
2163 dbesc($contact["addr"]), dbesc($contact["network"]), dbesc($contact["birthday"]),
2164 dbesc($contact["gender"]), dbesc($contact["keywords"]), intval($contact["hide"]),
2165 intval($contact["nsfw"]), intval($contact["contact-type"]), dbesc($contact["alias"]),
2166 dbesc($contact["notify"]), dbesc($contact["url"]), dbesc($contact["location"]),
2167 dbesc($contact["about"]), intval($contact["generation"]), dbesc(dbm::date($contact["updated"])),
2168 dbesc($contact["server_url"]), dbesc($contact["connect"]),
2169 dbesc(normalise_link($contact["url"])), intval($contact["generation"]));
2172 // Now update the contact entry with the user id "0" as well.
2173 // This is used for the shadow copies of public items.
2174 $r = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = 0 ORDER BY `id` LIMIT 1",
2175 dbesc(normalise_link($contact["url"])));
2178 logger("Update shadow contact ".$r[0]["id"], LOGGER_DEBUG);
2180 update_contact_avatar($contact["photo"], 0, $r[0]["id"]);
2182 q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s',
2183 `network` = '%s', `bd` = '%s', `gender` = '%s',
2184 `keywords` = '%s', `alias` = '%s', `contact-type` = %d,
2185 `url` = '%s', `location` = '%s', `about` = '%s'
2187 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["addr"]),
2188 dbesc($contact["network"]), dbesc($contact["birthday"]), dbesc($contact["gender"]),
2189 dbesc($contact["keywords"]), dbesc($contact["alias"]), intval($contact["contact-type"]),
2190 dbesc($contact["url"]), dbesc($contact["location"]), dbesc($contact["about"]),
2191 intval($r[0]["id"]));
2195 return $gcontact_id;
2199 * @brief Updates the gcontact entry from probe
2201 * @param str $url profile link
2203 function update_gcontact_from_probe($url) {
2204 $data = probe_url($url);
2206 if (in_array($data["network"], array(NETWORK_PHANTOM))) {
2207 logger("Invalid network for contact url ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
2211 $data["server_url"] = $data["baseurl"];
2213 update_gcontact($data);
2217 * @brief Update the gcontact entry for a given user id
2219 * @param int $uid User ID
2221 function update_gcontact_for_user($uid) {
2222 $r = q("SELECT `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
2223 `profile`.`name`, `profile`.`about`, `profile`.`gender`,
2224 `profile`.`pub_keywords`, `profile`.`dob`, `profile`.`photo`,
2225 `profile`.`net-publish`, `user`.`nickname`, `user`.`hidewall`,
2226 `contact`.`notify`, `contact`.`url`, `contact`.`addr`
2228 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
2229 INNER JOIN `contact` ON `contact`.`uid` = `profile`.`uid`
2230 WHERE `profile`.`uid` = %d AND `profile`.`is-default` AND `contact`.`self`",
2233 $location = formatted_location(array("locality" => $r[0]["locality"], "region" => $r[0]["region"],
2234 "country-name" => $r[0]["country-name"]));
2236 // The "addr" field was added in 3.4.3 so it can be empty for older users
2237 if ($r[0]["addr"] != "")
2238 $addr = $r[0]["nickname"].'@'.str_replace(array("http://", "https://"), "", App::get_baseurl());
2240 $addr = $r[0]["addr"];
2242 $gcontact = array("name" => $r[0]["name"], "location" => $location, "about" => $r[0]["about"],
2243 "gender" => $r[0]["gender"], "keywords" => $r[0]["pub_keywords"],
2244 "birthday" => $r[0]["dob"], "photo" => $r[0]["photo"],
2245 "notify" => $r[0]["notify"], "url" => $r[0]["url"],
2246 "hide" => ($r[0]["hidewall"] OR !$r[0]["net-publish"]),
2247 "nick" => $r[0]["nickname"], "addr" => $addr,
2248 "connect" => $addr, "server_url" => App::get_baseurl(),
2249 "generation" => 1, "network" => NETWORK_DFRN);
2251 update_gcontact($gcontact);
2255 * @brief Fetches users of given GNU Social server
2257 * If the "Statistics" plugin is enabled (See http://gstools.org/ for details) we query user data with this.
2259 * @param str $server Server address
2261 function gs_fetch_users($server) {
2263 logger("Fetching users from GNU Social server ".$server, LOGGER_DEBUG);
2265 $url = $server."/main/statistics";
2267 $result = z_fetch_url($url);
2268 if (!$result["success"])
2271 $statistics = json_decode($result["body"]);
2273 if (is_object($statistics->config)) {
2274 if ($statistics->config->instance_with_ssl)
2275 $server = "https://";
2277 $server = "http://";
2279 $server .= $statistics->config->instance_address;
2281 $hostname = $statistics->config->instance_address;
2283 if ($statistics->instance_with_ssl)
2284 $server = "https://";
2286 $server = "http://";
2288 $server .= $statistics->instance_address;
2290 $hostname = $statistics->instance_address;
2293 if (is_object($statistics->users))
2294 foreach ($statistics->users AS $nick => $user) {
2295 $profile_url = $server."/".$user->nickname;
2297 $contact = array("url" => $profile_url,
2298 "name" => $user->fullname,
2299 "addr" => $user->nickname."@".$hostname,
2300 "nick" => $user->nickname,
2301 "about" => $user->bio,
2302 "network" => NETWORK_OSTATUS,
2303 "photo" => App::get_baseurl()."/images/person-175.jpg");
2304 get_gcontact_id($contact);
2309 * @brief Asking GNU Social server on a regular base for their user data
2312 function gs_discover() {
2314 $requery_days = intval(get_config("system", "poco_requery_days"));
2316 $last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
2318 $r = q("SELECT `nurl`, `url` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `network` = '%s' AND `last_poco_query` < '%s' ORDER BY RAND() LIMIT 5",
2319 dbesc(NETWORK_OSTATUS), dbesc($last_update));
2324 foreach ($r AS $server) {
2325 gs_fetch_users($server["url"]);
2326 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
2331 * @brief Returns a list of all known servers
2332 * @return array List of server urls
2334 function poco_serverlist() {
2335 $r = q("SELECT `url`, `site_name` AS `displayName`, `network`, `platform`, `version` FROM `gserver`
2336 WHERE `network` IN ('%s', '%s', '%s') AND `last_contact` > `last_failure`
2337 ORDER BY `last_contact`
2339 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS));
2340 if (!dbm::is_result($r)) {