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
10 require_once('include/datetime.php');
11 require_once("include/Scrape.php");
12 require_once("include/network.php");
13 require_once("include/html2bbcode.php");
14 require_once("include/Contact.php");
15 require_once("include/Photo.php");
20 * Given a contact-id (minimum), load the PortableContacts friend list for that contact,
21 * and add the entries to the gcontact (Global Contact) table, or update existing entries
22 * if anything (name or photo) has changed.
23 * We use normalised urls for comparison which ignore http vs https and www.domain vs domain
25 * Once the global contact is stored add (if necessary) the contact linkage which associates
26 * the given uid, cid to the global contact entry. There can be many uid/cid combinations
27 * pointing to the same global contact id.
34 function poco_load($cid,$uid = 0,$zcid = 0,$url = null) {
39 if((! $url) || (! $uid)) {
40 $r = q("select `poco`, `uid` from `contact` where `id` = %d limit 1",
43 if (dbm::is_result($r)) {
55 $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') ;
57 logger('poco_load: ' . $url, LOGGER_DEBUG);
61 logger('poco_load: returns ' . $s, LOGGER_DATA);
63 logger('poco_load: return code: ' . $a->get_curl_code(), LOGGER_DEBUG);
65 if(($a->get_curl_code() > 299) || (! $s))
70 logger('poco_load: json: ' . print_r($j,true),LOGGER_DATA);
72 if(! isset($j->entry))
76 foreach($j->entry as $entry) {
92 $name = $entry->displayName;
94 if (isset($entry->urls)) {
95 foreach ($entry->urls as $url) {
96 if ($url->type == 'profile') {
97 $profile_url = $url->value;
100 if ($url->type == 'webfinger') {
101 $connect_url = str_replace('acct:' , '', $url->value);
106 if (isset($entry->photos)) {
107 foreach ($entry->photos as $photo) {
108 if ($photo->type == 'profile') {
109 $profile_photo = $photo->value;
115 if (isset($entry->updated)) {
116 $updated = date("Y-m-d H:i:s", strtotime($entry->updated));
119 if (isset($entry->network)) {
120 $network = $entry->network;
123 if (isset($entry->currentLocation)) {
124 $location = $entry->currentLocation;
127 if (isset($entry->aboutMe)) {
128 $about = html2bbcode($entry->aboutMe);
131 if (isset($entry->gender)) {
132 $gender = $entry->gender;
135 if (isset($entry->generation) AND ($entry->generation > 0)) {
136 $generation = ++$entry->generation;
139 if (isset($entry->tags)) {
140 foreach($entry->tags as $tag) {
141 $keywords = implode(", ", $tag);
145 if (isset($entry->contactType) AND ($entry->contactType >= 0))
146 $contact_type = $entry->contactType;
148 // If you query a Friendica server for its profiles, the network has to be Friendica
149 /// TODO It could also be a Redmatrix server
151 // $network = NETWORK_DFRN;
153 poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid, $uid, $zcid);
155 $gcontact = array("url" => $profile_url, "contact-type" => $contact_type, "generation" => $generation);
156 update_gcontact($gcontact);
158 // Update the Friendica contacts. Diaspora is doing it via a message. (See include/diaspora.php)
159 // Deactivated because we now update Friendica contacts in dfrn.php
160 //if (($location != "") OR ($about != "") OR ($keywords != "") OR ($gender != ""))
161 // q("UPDATE `contact` SET `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s'
162 // WHERE `nurl` = '%s' AND NOT `self` AND `network` = '%s'",
167 // dbesc(normalise_link($profile_url)),
168 // dbesc(NETWORK_DFRN));
170 logger("poco_load: loaded $total entries",LOGGER_DEBUG);
172 q("DELETE FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `zcid` = %d AND `updated` < UTC_TIMESTAMP - INTERVAL 2 DAY",
180 function poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid = 0, $uid = 0, $zcid = 0) {
184 // 1: Profiles on this server
185 // 2: Contacts of profiles on this server
186 // 3: Contacts of contacts of profiles on this server
191 if ($profile_url == "")
194 $urlparts = parse_url($profile_url);
195 if (!isset($urlparts["scheme"]))
198 if (in_array($urlparts["host"], array("www.facebook.com", "facebook.com", "twitter.com",
199 "identi.ca", "alpha.app.net")))
202 // Don't store the statusnet connector as network
203 // We can't simply set this to NETWORK_OSTATUS since the connector could have fetched posts from friendica as well
204 if ($network == NETWORK_STATUSNET)
207 // Assure that there are no parameter fragments in the profile url
208 if (in_array($network, array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, "")))
209 $profile_url = clean_contact_url($profile_url);
211 $alternate = poco_alternate_ostatus_url($profile_url);
213 $orig_updated = $updated;
215 // The global contacts should contain the original picture, not the cached one
216 if (($generation != 1) AND stristr(normalise_link($profile_photo), normalise_link(App::get_baseurl()."/photo/"))) {
220 $r = q("SELECT `network` FROM `contact` WHERE `nurl` = '%s' AND `network` != '' AND `network` != '%s' LIMIT 1",
221 dbesc(normalise_link($profile_url)), dbesc(NETWORK_STATUSNET)
223 if (dbm::is_result($r)) {
224 $network = $r[0]["network"];
227 if (($network == "") OR ($network == NETWORK_OSTATUS)) {
228 $r = q("SELECT `network`, `url` FROM `contact` WHERE `alias` IN ('%s', '%s') AND `network` != '' AND `network` != '%s' LIMIT 1",
229 dbesc($profile_url), dbesc(normalise_link($profile_url)), dbesc(NETWORK_STATUSNET)
231 if (dbm::is_result($r)) {
232 $network = $r[0]["network"];
233 //$profile_url = $r[0]["url"];
237 $x = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
238 dbesc(normalise_link($profile_url))
242 if (($network == "") AND ($x[0]["network"] != NETWORK_STATUSNET)) {
243 $network = $x[0]["network"];
245 if ($updated <= NULL_DATE) {
246 $updated = $x[0]["updated"];
248 $created = $x[0]["created"];
249 $server_url = $x[0]["server_url"];
250 $nick = $x[0]["nick"];
251 $addr = $x[0]["addr"];
252 $alias = $x[0]["alias"];
253 $notify = $x[0]["notify"];
255 $created = NULL_DATE;
258 $urlparts = parse_url($profile_url);
259 $nick = end(explode("/", $urlparts["path"]));
265 if ((($network == "") OR ($name == "") OR ($addr == "") OR ($profile_photo == "") OR ($server_url == "") OR $alternate)
266 AND poco_reachable($profile_url, $server_url, $network, false)) {
267 $data = probe_url($profile_url);
269 $orig_profile = $profile_url;
271 $network = $data["network"];
272 $name = $data["name"];
273 $nick = $data["nick"];
274 $addr = $data["addr"];
275 $alias = $data["alias"];
276 $notify = $data["notify"];
277 $profile_url = $data["url"];
278 $profile_photo = $data["photo"];
279 $server_url = $data["baseurl"];
281 if ($alternate AND ($network == NETWORK_OSTATUS)) {
282 // Delete the old entry - if it exists
283 $r = q("SELECT `id` FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($orig_profile)));
285 q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($orig_profile)));
286 q("DELETE FROM `glink` WHERE `gcid` = %d", intval($r[0]["id"]));
289 // possibly create a new entry
290 poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid, $uid, $zcid);
294 if ($alternate AND ($network == NETWORK_OSTATUS))
297 if (count($x) AND ($x[0]["network"] == "") AND ($network != "")) {
298 q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'",
300 dbesc(normalise_link($profile_url))
304 if (($name == "") OR ($profile_photo == ""))
307 if (!in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA)))
310 logger("profile-check generation: ".$generation." Network: ".$network." URL: ".$profile_url." name: ".$name." avatar: ".$profile_photo, LOGGER_DEBUG);
312 // We check the server url to be sure that it is a real one
313 $server_url2 = poco_detect_server($profile_url);
315 // We are no sure that it is a correct URL. So we use it in the future
316 if ($server_url2 != "") {
317 $server_url = $server_url2;
320 // The server URL doesn't seem to be valid, so we don't store it.
321 if (!poco_check_server($server_url, $network)) {
325 $gcontact = array("url" => $profile_url,
329 "network" => $network,
330 "photo" => $profile_photo,
332 "location" => $location,
334 "keywords" => $keywords,
335 "server_url" => $server_url,
336 "connect" => $connect_url,
338 "updated" => $updated,
339 "generation" => $generation);
341 $gcid = update_gcontact($gcontact);
346 $r = q("SELECT * FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d LIMIT 1",
352 if (! dbm::is_result($r)) {
353 q("INSERT INTO `glink` (`cid`,`uid`,`gcid`,`zcid`, `updated`) VALUES (%d,%d,%d,%d, '%s') ",
358 dbesc(datetime_convert())
361 q("UPDATE `glink` SET `updated` = '%s' WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d",
362 dbesc(datetime_convert()),
373 function poco_reachable($profile, $server = "", $network = "", $force = false) {
376 $server = poco_detect_server($profile);
381 return poco_check_server($server, $network, $force);
384 function poco_detect_server($profile) {
386 // Try to detect the server path based upon some known standard paths
389 if ($server_url == "") {
390 $friendica = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $profile);
391 if ($friendica != $profile) {
392 $server_url = $friendica;
393 $network = NETWORK_DFRN;
397 if ($server_url == "") {
398 $diaspora = preg_replace("=(https?://)(.*)/u/(.*)=ism", "$1$2", $profile);
399 if ($diaspora != $profile) {
400 $server_url = $diaspora;
401 $network = NETWORK_DIASPORA;
405 if ($server_url == "") {
406 $red = preg_replace("=(https?://)(.*)/channel/(.*)=ism", "$1$2", $profile);
407 if ($red != $profile) {
409 $network = NETWORK_DIASPORA;
414 if ($server_url == "") {
415 $mastodon = preg_replace("=(https?://)(.*)/users/(.*)=ism", "$1$2", $profile);
416 if ($mastodon != $profile) {
417 $server_url = $mastodon;
418 $network = NETWORK_OSTATUS;
422 // Numeric OStatus variant
423 if ($server_url == "") {
424 $ostatus = preg_replace("=(https?://)(.*)/user/(.*)=ism", "$1$2", $profile);
425 if ($ostatus != $profile) {
426 $server_url = $ostatus;
427 $network = NETWORK_OSTATUS;
432 if ($server_url == "") {
433 $base = preg_replace("=(https?://)(.*?)/(.*)=ism", "$1$2", $profile);
434 if ($base != $profile) {
436 $network = NETWORK_PHANTOM;
440 if ($server_url == "") {
444 $r = q("SELECT `id` FROM `gserver` WHERE `nurl` = '%s' AND `last_contact` > `last_failure`",
445 dbesc(normalise_link($server_url)));
446 if (dbm::is_result($r)) {
450 // Fetch the host-meta to check if this really is a server
451 $serverret = z_fetch_url($server_url."/.well-known/host-meta");
452 if (!$serverret["success"]) {
459 function poco_alternate_ostatus_url($url) {
460 return(preg_match("=https?://.+/user/\d+=ism", $url, $matches));
463 function poco_last_updated($profile, $force = false) {
465 $gcontacts = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'",
466 dbesc(normalise_link($profile)));
468 if ($gcontacts[0]["created"] <= NULL_DATE) {
469 q("UPDATE `gcontact` SET `created` = '%s' WHERE `nurl` = '%s'",
470 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
472 if ($gcontacts[0]["server_url"] != "") {
473 $server_url = $gcontacts[0]["server_url"];
475 if (($server_url == '') OR ($gcontacts[0]["server_url"] == $gcontacts[0]["nurl"])) {
476 $server_url = poco_detect_server($profile);
479 if (!in_array($gcontacts[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_FEED, NETWORK_OSTATUS, ""))) {
480 logger("Profile ".$profile.": Network type ".$gcontacts[0]["network"]." can't be checked", LOGGER_DEBUG);
484 if ($server_url != "") {
485 if (!poco_check_server($server_url, $gcontacts[0]["network"], $force)) {
488 q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
489 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
491 logger("Profile ".$profile.": Server ".$server_url." wasn't reachable.", LOGGER_DEBUG);
495 q("UPDATE `gcontact` SET `server_url` = '%s' WHERE `nurl` = '%s'",
496 dbesc($server_url), dbesc(normalise_link($profile)));
499 if (in_array($gcontacts[0]["network"], array("", NETWORK_FEED))) {
500 $server = q("SELECT `network` FROM `gserver` WHERE `nurl` = '%s' AND `network` != ''",
501 dbesc(normalise_link($server_url)));
504 q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'",
505 dbesc($server[0]["network"]), dbesc(normalise_link($profile)));
510 // noscrape is really fast so we don't cache the call.
511 if (($gcontacts[0]["server_url"] != "") AND ($gcontacts[0]["nick"] != "")) {
513 // Use noscrape if possible
514 $server = q("SELECT `noscrape`, `network` FROM `gserver` WHERE `nurl` = '%s' AND `noscrape` != ''", dbesc(normalise_link($gcontacts[0]["server_url"])));
517 $noscraperet = z_fetch_url($server[0]["noscrape"]."/".$gcontacts[0]["nick"]);
519 if ($noscraperet["success"] AND ($noscraperet["body"] != "")) {
521 $noscrape = json_decode($noscraperet["body"], true);
523 if (is_array($noscrape)) {
524 $contact = array("url" => $profile,
525 "network" => $server[0]["network"],
526 "generation" => $gcontacts[0]["generation"]);
528 if (isset($noscrape["fn"]))
529 $contact["name"] = $noscrape["fn"];
531 if (isset($noscrape["comm"]))
532 $contact["community"] = $noscrape["comm"];
534 if (isset($noscrape["tags"])) {
535 $keywords = implode(" ", $noscrape["tags"]);
537 $contact["keywords"] = $keywords;
540 $location = formatted_location($noscrape);
542 $contact["location"] = $location;
544 if (isset($noscrape["dfrn-notify"]))
545 $contact["notify"] = $noscrape["dfrn-notify"];
547 // Remove all fields that are not present in the gcontact table
548 unset($noscrape["fn"]);
549 unset($noscrape["key"]);
550 unset($noscrape["homepage"]);
551 unset($noscrape["comm"]);
552 unset($noscrape["tags"]);
553 unset($noscrape["locality"]);
554 unset($noscrape["region"]);
555 unset($noscrape["country-name"]);
556 unset($noscrape["contacts"]);
557 unset($noscrape["dfrn-request"]);
558 unset($noscrape["dfrn-confirm"]);
559 unset($noscrape["dfrn-notify"]);
560 unset($noscrape["dfrn-poll"]);
562 // Set the date of the last contact
563 /// @todo By now the function "update_gcontact" doesn't work with this field
564 //$contact["last_contact"] = datetime_convert();
566 $contact = array_merge($contact, $noscrape);
568 update_gcontact($contact);
570 if (trim($noscrape["updated"]) != "") {
571 q("UPDATE `gcontact` SET `last_contact` = '%s' WHERE `nurl` = '%s'",
572 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
574 logger("Profile ".$profile." was last updated at ".$noscrape["updated"]." (noscrape)", LOGGER_DEBUG);
576 return $noscrape["updated"];
583 // If we only can poll the feed, then we only do this once a while
584 if (!$force AND !poco_do_update($gcontacts[0]["created"], $gcontacts[0]["updated"], $gcontacts[0]["last_failure"], $gcontacts[0]["last_contact"])) {
585 logger("Profile ".$profile." was last updated at ".$gcontacts[0]["updated"]." (cached)", LOGGER_DEBUG);
586 return $gcontacts[0]["updated"];
589 $data = probe_url($profile);
591 // Is the profile link the alternate OStatus link notation? (http://domain.tld/user/4711)
592 // Then check the other link and delete this one
593 if (($data["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($profile) AND
594 (normalise_link($profile) == normalise_link($data["alias"])) AND
595 (normalise_link($profile) != normalise_link($data["url"]))) {
597 // Delete the old entry
598 q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($profile)));
599 q("DELETE FROM `glink` WHERE `gcid` = %d", intval($gcontacts[0]["id"]));
601 poco_check($data["url"], $data["name"], $data["network"], $data["photo"], $gcontacts[0]["about"], $gcontacts[0]["location"],
602 $gcontacts[0]["gender"], $gcontacts[0]["keywords"], $data["addr"], $gcontacts[0]["updated"], $gcontacts[0]["generation"]);
604 poco_last_updated($data["url"], $force);
606 logger("Profile ".$profile." was deleted", LOGGER_DEBUG);
610 if (($data["poll"] == "") OR (in_array($data["network"], array(NETWORK_FEED, NETWORK_PHANTOM)))) {
611 q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
612 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
614 logger("Profile ".$profile." wasn't reachable (profile)", LOGGER_DEBUG);
618 $contact = array("generation" => $gcontacts[0]["generation"]);
620 $contact = array_merge($contact, $data);
622 $contact["server_url"] = $data["baseurl"];
624 unset($contact["batch"]);
625 unset($contact["poll"]);
626 unset($contact["request"]);
627 unset($contact["confirm"]);
628 unset($contact["poco"]);
629 unset($contact["priority"]);
630 unset($contact["pubkey"]);
631 unset($contact["baseurl"]);
633 update_gcontact($contact);
635 $feedret = z_fetch_url($data["poll"]);
637 if (!$feedret["success"]) {
638 q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
639 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
641 logger("Profile ".$profile." wasn't reachable (no feed)", LOGGER_DEBUG);
645 $doc = new DOMDocument();
646 @$doc->loadXML($feedret["body"]);
648 $xpath = new DomXPath($doc);
649 $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
651 $entries = $xpath->query('/atom:feed/atom:entry');
655 foreach ($entries AS $entry) {
656 $published = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
657 $updated = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
659 if ($last_updated < $published)
660 $last_updated = $published;
662 if ($last_updated < $updated)
663 $last_updated = $updated;
666 // Maybe there aren't any entries. Then check if it is a valid feed
667 if ($last_updated == "") {
668 if ($xpath->query('/atom:feed')->length > 0) {
669 $last_updated = NULL_DATE;
672 q("UPDATE `gcontact` SET `updated` = '%s', `last_contact` = '%s' WHERE `nurl` = '%s'",
673 dbesc(dbm::date($last_updated)), dbesc(dbm::date()), dbesc(normalise_link($profile)));
675 if (($gcontacts[0]["generation"] == 0))
676 q("UPDATE `gcontact` SET `generation` = 9 WHERE `nurl` = '%s'",
677 dbesc(normalise_link($profile)));
679 logger("Profile ".$profile." was last updated at ".$last_updated, LOGGER_DEBUG);
681 return($last_updated);
684 function poco_do_update($created, $updated, $last_failure, $last_contact) {
685 $now = strtotime(datetime_convert());
687 if ($updated > $last_contact)
688 $contact_time = strtotime($updated);
690 $contact_time = strtotime($last_contact);
692 $failure_time = strtotime($last_failure);
693 $created_time = strtotime($created);
695 // If there is no "created" time then use the current time
696 if ($created_time <= 0)
697 $created_time = $now;
699 // If the last contact was less than 24 hours then don't update
700 if (($now - $contact_time) < (60 * 60 * 24))
703 // If the last failure was less than 24 hours then don't update
704 if (($now - $failure_time) < (60 * 60 * 24))
707 // If the last contact was less than a week ago and the last failure is older than a week then don't update
708 //if ((($now - $contact_time) < (60 * 60 * 24 * 7)) AND ($contact_time > $failure_time))
711 // If the last contact time was more than a week ago and the contact was created more than a week ago, then only try once a week
712 if ((($now - $contact_time) > (60 * 60 * 24 * 7)) AND (($now - $created_time) > (60 * 60 * 24 * 7)) AND (($now - $failure_time) < (60 * 60 * 24 * 7)))
715 // If the last contact time was more than a month ago and the contact was created more than a month ago, then only try once a month
716 if ((($now - $contact_time) > (60 * 60 * 24 * 30)) AND (($now - $created_time) > (60 * 60 * 24 * 30)) AND (($now - $failure_time) < (60 * 60 * 24 * 30)))
722 function poco_to_boolean($val) {
723 if (($val == "true") OR ($val == 1))
725 if (($val == "false") OR ($val == 0))
732 * @brief Detect server type (Hubzilla or Friendica) via the poco data
734 * @param object $data POCO data
735 * @return array Server data
737 function poco_detect_poco_data($data) {
740 if (!isset($data->entry)) {
744 if (count($data->entry) == 0) {
748 if (!isset($data->entry[0]->urls)) {
752 if (count($data->entry[0]->urls) == 0) {
756 foreach ($data->entry[0]->urls AS $url) {
757 if ($url->type == 'zot') {
759 $server["platform"] = 'Hubzilla';
760 $server["network"] = NETWORK_DIASPORA;
768 * @brief Detect server type by using the nodeinfo data
770 * @param string $server_url address of the server
771 * @return array Server data
773 function poco_fetch_nodeinfo($server_url) {
774 $serverret = z_fetch_url($server_url."/.well-known/nodeinfo");
775 if (!$serverret["success"]) {
779 $nodeinfo = json_decode($serverret['body']);
781 if (!is_object($nodeinfo)) {
785 if (!is_array($nodeinfo->links)) {
791 foreach ($nodeinfo->links AS $link) {
792 if ($link->rel == 'http://nodeinfo.diaspora.software/ns/schema/1.0') {
793 $nodeinfo_url = $link->href;
797 if ($nodeinfo_url == '') {
801 $serverret = z_fetch_url($nodeinfo_url);
802 if (!$serverret["success"]) {
806 $nodeinfo = json_decode($serverret['body']);
808 if (!is_object($nodeinfo)) {
814 $server['register_policy'] = REGISTER_CLOSED;
816 if (is_bool($nodeinfo->openRegistrations) AND $nodeinfo->openRegistrations) {
817 $server['register_policy'] = REGISTER_OPEN;
820 if (is_object($nodeinfo->software)) {
821 if (isset($nodeinfo->software->name)) {
822 $server['platform'] = $nodeinfo->software->name;
825 if (isset($nodeinfo->software->version)) {
826 $server['version'] = $nodeinfo->software->version;
827 // Version numbers on Nodeinfo are presented with additional info, e.g.:
828 // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
829 $server['version'] = preg_replace("=(.+)-(.{4,})=ism", "$1", $server['version']);
833 if (is_object($nodeinfo->metadata)) {
834 if (isset($nodeinfo->metadata->nodeName)) {
835 $server['site_name'] = $nodeinfo->metadata->nodeName;
843 if (is_array($nodeinfo->protocols->inbound)) {
844 foreach ($nodeinfo->protocols->inbound AS $inbound) {
845 if ($inbound == 'diaspora') {
848 if ($inbound == 'friendica') {
851 if ($inbound == 'gnusocial') {
858 $server['network'] = NETWORK_OSTATUS;
861 $server['network'] = NETWORK_DIASPORA;
864 $server['network'] = NETWORK_DFRN;
875 * @brief Detect server type (Hubzilla or Friendica) via the front page body
877 * @param string $body Front page of the server
878 * @return array Server data
880 function poco_detect_server_type($body) {
883 $doc = new \DOMDocument();
884 @$doc->loadHTML($body);
885 $xpath = new \DomXPath($doc);
887 $list = $xpath->query("//meta[@name]");
889 foreach ($list as $node) {
891 if ($node->attributes->length) {
892 foreach ($node->attributes as $attribute) {
893 $attr[$attribute->name] = $attribute->value;
896 if ($attr['name'] == 'generator') {
897 $version_part = explode(" ", $attr['content']);
898 if (count($version_part) == 2) {
899 if (in_array($version_part[0], array("Friendika", "Friendica"))) {
901 $server["platform"] = $version_part[0];
902 $server["version"] = $version_part[1];
903 $server["network"] = NETWORK_DFRN;
910 $list = $xpath->query("//meta[@property]");
912 foreach ($list as $node) {
914 if ($node->attributes->length) {
915 foreach ($node->attributes as $attribute) {
916 $attr[$attribute->name] = $attribute->value;
919 if ($attr['property'] == 'generator') {
920 if (in_array($attr['content'], array("hubzilla", "BlaBlaNet"))) {
922 $server["platform"] = $attr['content'];
923 $server["version"] = "";
924 $server["network"] = NETWORK_DIASPORA;
934 $server["site_name"] = $xpath->evaluate($element."//head/title/text()", $context)->item(0)->nodeValue;
938 function poco_check_server($server_url, $network = "", $force = false) {
940 // Unify the server address
941 $server_url = trim($server_url, "/");
942 $server_url = str_replace("/index.php", "", $server_url);
944 if ($server_url == "")
947 $servers = q("SELECT * FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
948 if (dbm::is_result($servers)) {
950 if ($servers[0]["created"] <= NULL_DATE) {
951 q("UPDATE `gserver` SET `created` = '%s' WHERE `nurl` = '%s'",
952 dbesc(datetime_convert()), dbesc(normalise_link($server_url)));
954 $poco = $servers[0]["poco"];
955 $noscrape = $servers[0]["noscrape"];
958 $network = $servers[0]["network"];
960 $last_contact = $servers[0]["last_contact"];
961 $last_failure = $servers[0]["last_failure"];
962 $version = $servers[0]["version"];
963 $platform = $servers[0]["platform"];
964 $site_name = $servers[0]["site_name"];
965 $info = $servers[0]["info"];
966 $register_policy = $servers[0]["register_policy"];
968 if (!$force AND !poco_do_update($servers[0]["created"], "", $last_failure, $last_contact)) {
969 logger("Use cached data for server ".$server_url, LOGGER_DEBUG);
970 return ($last_contact >= $last_failure);
979 $register_policy = -1;
981 $last_contact = NULL_DATE;
982 $last_failure = NULL_DATE;
984 logger("Server ".$server_url." is outdated or unknown. Start discovery. Force: ".$force." Created: ".$servers[0]["created"]." Failure: ".$last_failure." Contact: ".$last_contact, LOGGER_DEBUG);
987 $possible_failure = false;
988 $orig_last_failure = $last_failure;
989 $orig_last_contact = $last_contact;
991 // Check if the page is accessible via SSL.
992 $orig_server_url = $server_url;
993 $server_url = str_replace("http://", "https://", $server_url);
995 // We set the timeout to 20 seconds since this operation should be done in no time if the server was vital
996 $serverret = z_fetch_url($server_url."/.well-known/host-meta", false, $redirects, array('timeout' => 20));
998 // Quit if there is a timeout.
999 // But we want to make sure to only quit if we are mostly sure that this server url fits.
1000 if (dbm::is_result($servers) AND ($orig_server_url == $server_url) AND
1001 ($serverret['errno'] == CURLE_OPERATION_TIMEDOUT)) {
1002 logger("Connection to server ".$server_url." timed out.", LOGGER_DEBUG);
1006 // Maybe the page is unencrypted only?
1007 $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
1008 if (!$serverret["success"] OR ($serverret["body"] == "") OR (@sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
1009 $server_url = str_replace("https://", "http://", $server_url);
1011 // We set the timeout to 20 seconds since this operation should be done in no time if the server was vital
1012 $serverret = z_fetch_url($server_url."/.well-known/host-meta", false, $redirects, array('timeout' => 20));
1014 // Quit if there is a timeout
1015 if ($serverret['errno'] == CURLE_OPERATION_TIMEDOUT) {
1016 logger("Connection to server ".$server_url." timed out.", LOGGER_DEBUG);
1020 $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
1023 if (!$serverret["success"] OR ($serverret["body"] == "") OR (sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
1024 // Workaround for bad configured servers (known nginx problem)
1025 if (!in_array($serverret["debug"]["http_code"], array("403", "404"))) {
1026 $last_failure = datetime_convert();
1029 $possible_failure = true;
1030 } elseif ($network == NETWORK_DIASPORA)
1031 $last_contact = datetime_convert();
1033 // If the server has no possible failure we reset the cached data
1034 if (!$possible_failure) {
1039 $register_policy = -1;
1044 $serverret = z_fetch_url($server_url."/poco");
1045 if ($serverret["success"]) {
1046 $data = json_decode($serverret["body"]);
1047 if (isset($data->totalResults)) {
1048 $poco = $server_url."/poco";
1049 $last_contact = datetime_convert();
1051 $server = poco_detect_poco_data($data);
1053 $platform = $server['platform'];
1054 $network = $server['network'];
1063 // Test for Diaspora, Hubzilla, Mastodon or older Friendica servers
1064 $serverret = z_fetch_url($server_url);
1066 if (!$serverret["success"] OR ($serverret["body"] == "")) {
1067 $last_failure = datetime_convert();
1070 $server = poco_detect_server_type($serverret["body"]);
1072 $platform = $server['platform'];
1073 $network = $server['network'];
1074 $version = $server['version'];
1075 $site_name = $server['site_name'];
1076 $last_contact = datetime_convert();
1079 $lines = explode("\n",$serverret["header"]);
1081 foreach($lines as $line) {
1082 $line = trim($line);
1083 if(stristr($line,'X-Diaspora-Version:')) {
1084 $platform = "Diaspora";
1085 $version = trim(str_replace("X-Diaspora-Version:", "", $line));
1086 $version = trim(str_replace("x-diaspora-version:", "", $version));
1087 $network = NETWORK_DIASPORA;
1088 $versionparts = explode("-", $version);
1089 $version = $versionparts[0];
1090 $last_contact = datetime_convert();
1093 if(stristr($line,'Server: Mastodon')) {
1094 $platform = "Mastodon";
1095 $network = NETWORK_OSTATUS;
1096 // Mastodon doesn't reveal version numbers
1098 $last_contact = datetime_convert();
1105 if (!$failure AND ($poco == "")) {
1106 // Test for Statusnet
1107 // Will also return data for Friendica and GNU Social - but it will be overwritten later
1108 // The "not implemented" is a special treatment for really, really old Friendica versions
1109 $serverret = z_fetch_url($server_url."/api/statusnet/version.json");
1110 if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND
1111 ($serverret["body"] != '') AND (strlen($serverret["body"]) < 30)) {
1112 $platform = "StatusNet";
1113 // Remove junk that some GNU Social servers return
1114 $version = str_replace(chr(239).chr(187).chr(191), "", $serverret["body"]);
1115 $version = trim($version, '"');
1116 $network = NETWORK_OSTATUS;
1117 $last_contact = datetime_convert();
1120 // Test for GNU Social
1121 $serverret = z_fetch_url($server_url."/api/gnusocial/version.json");
1122 if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND
1123 ($serverret["body"] != '') AND (strlen($serverret["body"]) < 30)) {
1124 $platform = "GNU Social";
1125 // Remove junk that some GNU Social servers return
1126 $version = str_replace(chr(239).chr(187).chr(191), "", $serverret["body"]);
1127 $version = trim($version, '"');
1128 $network = NETWORK_OSTATUS;
1129 $last_contact = datetime_convert();
1134 // Test for Hubzilla, Redmatrix or Friendica
1135 $serverret = z_fetch_url($server_url."/api/statusnet/config.json");
1136 if ($serverret["success"]) {
1137 $data = json_decode($serverret["body"]);
1138 if (isset($data->site->server)) {
1139 $last_contact = datetime_convert();
1141 if (isset($data->site->platform)) {
1142 $platform = $data->site->platform->PLATFORM_NAME;
1143 $version = $data->site->platform->STD_VERSION;
1144 $network = NETWORK_DIASPORA;
1146 if (isset($data->site->BlaBlaNet)) {
1147 $platform = $data->site->BlaBlaNet->PLATFORM_NAME;
1148 $version = $data->site->BlaBlaNet->STD_VERSION;
1149 $network = NETWORK_DIASPORA;
1151 if (isset($data->site->hubzilla)) {
1152 $platform = $data->site->hubzilla->PLATFORM_NAME;
1153 $version = $data->site->hubzilla->RED_VERSION;
1154 $network = NETWORK_DIASPORA;
1156 if (isset($data->site->redmatrix)) {
1157 if (isset($data->site->redmatrix->PLATFORM_NAME))
1158 $platform = $data->site->redmatrix->PLATFORM_NAME;
1159 elseif (isset($data->site->redmatrix->RED_PLATFORM))
1160 $platform = $data->site->redmatrix->RED_PLATFORM;
1162 $version = $data->site->redmatrix->RED_VERSION;
1163 $network = NETWORK_DIASPORA;
1165 if (isset($data->site->friendica)) {
1166 $platform = $data->site->friendica->FRIENDICA_PLATFORM;
1167 $version = $data->site->friendica->FRIENDICA_VERSION;
1168 $network = NETWORK_DFRN;
1171 $site_name = $data->site->name;
1173 $data->site->closed = poco_to_boolean($data->site->closed);
1174 $data->site->private = poco_to_boolean($data->site->private);
1175 $data->site->inviteonly = poco_to_boolean($data->site->inviteonly);
1177 if (!$data->site->closed AND !$data->site->private and $data->site->inviteonly)
1178 $register_policy = REGISTER_APPROVE;
1179 elseif (!$data->site->closed AND !$data->site->private)
1180 $register_policy = REGISTER_OPEN;
1182 $register_policy = REGISTER_CLOSED;
1188 // Query statistics.json. Optional package for Diaspora, Friendica and Redmatrix
1190 $serverret = z_fetch_url($server_url."/statistics.json");
1191 if ($serverret["success"]) {
1192 $data = json_decode($serverret["body"]);
1193 if (isset($data->version)) {
1194 $version = $data->version;
1195 // Version numbers on statistics.json are presented with additional info, e.g.:
1196 // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
1197 $version = preg_replace("=(.+)-(.{4,})=ism", "$1", $version);
1200 $site_name = $data->name;
1202 if (isset($data->network)) {
1203 $platform = $data->network;
1206 if ($platform == "Diaspora") {
1207 $network = NETWORK_DIASPORA;
1210 if ($data->registrations_open) {
1211 $register_policy = REGISTER_OPEN;
1213 $register_policy = REGISTER_CLOSED;
1216 if (isset($data->version))
1217 $last_contact = datetime_convert();
1221 // Query nodeinfo. Working for (at least) Diaspora and Friendica.
1223 $server = poco_fetch_nodeinfo($server_url);
1225 $register_policy = $server['register_policy'];
1227 if (isset($server['platform'])) {
1228 $platform = $server['platform'];
1231 if (isset($server['network'])) {
1232 $network = $server['network'];
1235 if (isset($server['version'])) {
1236 $version = $server['version'];
1239 if (isset($server['site_name'])) {
1240 $site_name = $server['site_name'];
1243 $last_contact = datetime_convert();
1247 // Check for noscrape
1248 // Friendica servers could be detected as OStatus servers
1249 if (!$failure AND in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS))) {
1250 $serverret = z_fetch_url($server_url."/friendica/json");
1252 if (!$serverret["success"])
1253 $serverret = z_fetch_url($server_url."/friendika/json");
1255 if ($serverret["success"]) {
1256 $data = json_decode($serverret["body"]);
1258 if (isset($data->version)) {
1259 $last_contact = datetime_convert();
1260 $network = NETWORK_DFRN;
1262 $noscrape = $data->no_scrape_url;
1263 $version = $data->version;
1264 $site_name = $data->site_name;
1265 $info = $data->info;
1266 $register_policy_str = $data->register_policy;
1267 $platform = $data->platform;
1269 switch ($register_policy_str) {
1270 case "REGISTER_CLOSED":
1271 $register_policy = REGISTER_CLOSED;
1273 case "REGISTER_APPROVE":
1274 $register_policy = REGISTER_APPROVE;
1276 case "REGISTER_OPEN":
1277 $register_policy = REGISTER_OPEN;
1284 if ($possible_failure AND !$failure) {
1285 $last_failure = datetime_convert();
1290 $last_contact = $orig_last_contact;
1292 $last_failure = $orig_last_failure;
1295 if (($last_contact <= $last_failure) AND !$failure) {
1296 logger("Server ".$server_url." seems to be alive, but last contact wasn't set - could be a bug", LOGGER_DEBUG);
1297 } else if (($last_contact >= $last_failure) AND $failure) {
1298 logger("Server ".$server_url." seems to be dead, but last failure wasn't set - could be a bug", LOGGER_DEBUG);
1301 // Check again if the server exists
1302 $servers = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
1304 $version = strip_tags($version);
1305 $site_name = strip_tags($site_name);
1306 $info = strip_tags($info);
1307 $platform = strip_tags($platform);
1310 q("UPDATE `gserver` SET `url` = '%s', `version` = '%s', `site_name` = '%s', `info` = '%s', `register_policy` = %d, `poco` = '%s', `noscrape` = '%s',
1311 `network` = '%s', `platform` = '%s', `last_contact` = '%s', `last_failure` = '%s' WHERE `nurl` = '%s'",
1316 intval($register_policy),
1321 dbesc($last_contact),
1322 dbesc($last_failure),
1323 dbesc(normalise_link($server_url))
1325 } elseif (!$failure) {
1326 q("INSERT INTO `gserver` (`url`, `nurl`, `version`, `site_name`, `info`, `register_policy`, `poco`, `noscrape`, `network`, `platform`, `created`, `last_contact`, `last_failure`)
1327 VALUES ('%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s')",
1329 dbesc(normalise_link($server_url)),
1333 intval($register_policy),
1338 dbesc(datetime_convert()),
1339 dbesc($last_contact),
1340 dbesc($last_failure),
1341 dbesc(datetime_convert())
1344 logger("End discovery for server ".$server_url, LOGGER_DEBUG);
1349 function count_common_friends($uid,$cid) {
1351 $r = q("SELECT count(*) as `total`
1352 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1353 WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
1354 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
1355 AND `gcontact`.`nurl` IN (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d ) ",
1362 // logger("count_common_friends: $uid $cid {$r[0]['total']}");
1363 if (dbm::is_result($r))
1364 return $r[0]['total'];
1370 function common_friends($uid,$cid,$start = 0,$limit=9999,$shuffle = false) {
1373 $sql_extra = " order by rand() ";
1375 $sql_extra = " order by `gcontact`.`name` asc ";
1377 $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid`
1379 INNER JOIN `gcontact` ON `glink`.`gcid` = `gcontact`.`id`
1380 INNER JOIN `contact` ON `gcontact`.`nurl` = `contact`.`nurl`
1381 WHERE `glink`.`cid` = %d and `glink`.`uid` = %d
1382 AND `contact`.`uid` = %d AND `contact`.`self` = 0 AND `contact`.`blocked` = 0
1383 AND `contact`.`hidden` = 0 AND `contact`.`id` != %d
1384 AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
1385 $sql_extra LIMIT %d, %d",
1399 function count_common_friends_zcid($uid,$zcid) {
1401 $r = q("SELECT count(*) as `total`
1402 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1403 where `glink`.`zcid` = %d
1404 and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) ",
1409 if (dbm::is_result($r))
1410 return $r[0]['total'];
1415 function common_friends_zcid($uid,$zcid,$start = 0, $limit = 9999,$shuffle = false) {
1418 $sql_extra = " order by rand() ";
1420 $sql_extra = " order by `gcontact`.`name` asc ";
1422 $r = q("SELECT `gcontact`.*
1423 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1424 where `glink`.`zcid` = %d
1425 and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 )
1426 $sql_extra limit %d, %d",
1438 function count_all_friends($uid,$cid) {
1440 $r = q("SELECT count(*) as `total`
1441 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1442 where `glink`.`cid` = %d and `glink`.`uid` = %d AND
1443 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))",
1448 if (dbm::is_result($r))
1449 return $r[0]['total'];
1455 function all_friends($uid,$cid,$start = 0, $limit = 80) {
1457 $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid`
1459 INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1460 LEFT JOIN `contact` ON `contact`.`nurl` = `gcontact`.`nurl` AND `contact`.`uid` = %d
1461 WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
1462 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
1463 ORDER BY `gcontact`.`name` ASC LIMIT %d, %d ",
1476 function suggestion_query($uid, $start = 0, $limit = 80) {
1482 // Uncommented because the result of the queries are to big to store it in the cache.
1483 // We need to decide if we want to change the db column type or if we want to delete it.
1484 // $list = Cache::get("suggestion_query:".$uid.":".$start.":".$limit);
1485 // if (!is_null($list)) {
1489 $network = array(NETWORK_DFRN);
1491 if (get_config('system','diaspora_enabled'))
1492 $network[] = NETWORK_DIASPORA;
1494 if (!get_config('system','ostatus_disabled'))
1495 $network[] = NETWORK_OSTATUS;
1497 $sql_network = implode("', '", $network);
1498 $sql_network = "'".$sql_network."'";
1500 /// @todo This query is really slow
1501 // By now we cache the data for five minutes
1502 $r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact
1503 INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
1504 where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d )
1505 AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
1506 AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
1507 AND `gcontact`.`updated` >= '%s'
1508 AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
1509 AND `gcontact`.`network` IN (%s)
1510 GROUP BY `glink`.`gcid` ORDER BY `gcontact`.`updated` DESC,`total` DESC LIMIT %d, %d",
1521 if (dbm::is_result($r) && count($r) >= ($limit -1)) {
1522 // Uncommented because the result of the queries are to big to store it in the cache.
1523 // We need to decide if we want to change the db column type or if we want to delete it.
1524 // Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $r, CACHE_FIVE_MINUTES);
1529 $r2 = q("SELECT gcontact.* FROM gcontact
1530 INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
1531 WHERE `glink`.`uid` = 0 AND `glink`.`cid` = 0 AND `glink`.`zcid` = 0 AND NOT `gcontact`.`nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` = %d)
1532 AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
1533 AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
1534 AND `gcontact`.`updated` >= '%s'
1535 AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
1536 AND `gcontact`.`network` IN (%s)
1537 ORDER BY rand() LIMIT %d, %d",
1548 foreach ($r2 AS $suggestion)
1549 $list[$suggestion["nurl"]] = $suggestion;
1551 foreach ($r AS $suggestion)
1552 $list[$suggestion["nurl"]] = $suggestion;
1554 while (sizeof($list) > ($limit))
1557 // Uncommented because the result of the queries are to big to store it in the cache.
1558 // We need to decide if we want to change the db column type or if we want to delete it.
1559 // Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $list, CACHE_FIVE_MINUTES);
1563 function update_suggestions() {
1569 /// @TODO Check if it is really neccessary to poll the own server
1570 poco_load(0,0,0,App::get_baseurl() . '/poco');
1572 $done[] = App::get_baseurl() . '/poco';
1574 if (strlen(get_config('system','directory'))) {
1575 $x = fetch_url(get_server()."/pubsites");
1577 $j = json_decode($x);
1579 foreach ($j->entries as $entry) {
1581 poco_check_server($entry->url);
1583 $url = $entry->url . '/poco';
1584 if (! in_array($url,$done)) {
1585 poco_load(0,0,0,$entry->url . '/poco');
1592 // Query your contacts from Friendica and Redmatrix/Hubzilla for their contacts
1593 $r = q("SELECT DISTINCT(`poco`) AS `poco` FROM `contact` WHERE `network` IN ('%s', '%s')",
1594 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA)
1597 if (dbm::is_result($r)) {
1598 foreach ($r as $rr) {
1599 $base = substr($rr['poco'],0,strrpos($rr['poco'],'/'));
1600 if(! in_array($base,$done))
1601 poco_load(0,0,0,$base);
1607 * @brief Fetch server list from remote servers and adds them when they are new.
1609 * @param string $poco URL to the POCO endpoint
1611 function poco_fetch_serverlist($poco) {
1612 $serverret = z_fetch_url($poco."/@server");
1613 if (!$serverret["success"]) {
1616 $serverlist = json_decode($serverret['body']);
1618 if (!is_array($serverlist)) {
1622 foreach ($serverlist AS $server) {
1623 $server_url = str_replace("/index.php", "", $server->url);
1625 $r = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
1626 if (!dbm::is_result($r)) {
1627 logger("Call server check for server ".$server_url, LOGGER_DEBUG);
1628 proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode($server_url));
1633 function poco_discover_federation() {
1634 $last = get_config('poco','last_federation_discovery');
1637 $next = $last + (24 * 60 * 60);
1642 // Discover Friendica, Hubzilla and Diaspora servers
1643 $serverdata = fetch_url("http://the-federation.info/pods.json");
1646 $servers = json_decode($serverdata);
1648 foreach ($servers->pods AS $server) {
1649 proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode("https://".$server->host));
1653 // Currently disabled, since the service isn't available anymore.
1654 // It is not removed since I hope that there will be a successor.
1655 // Discover GNU Social Servers.
1656 //if (!get_config('system','ostatus_disabled')) {
1657 // $serverdata = "http://gstools.org/api/get_open_instances/";
1659 // $result = z_fetch_url($serverdata);
1660 // if ($result["success"]) {
1661 // $servers = json_decode($result["body"]);
1663 // foreach($servers->data AS $server)
1664 // poco_check_server($server->instance_address);
1668 set_config('poco','last_federation_discovery', time());
1671 function poco_discover_single_server($id) {
1672 $r = q("SELECT `poco`, `nurl`, `url`, `network` FROM `gserver` WHERE `id` = %d", intval($id));
1673 if (!dbm::is_result($r)) {
1679 if (!poco_check_server($server["url"], $server["network"])) {
1680 // The server is not reachable? Okay, then we will try it later
1681 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
1685 // Discover new servers out there
1686 poco_fetch_serverlist($server["poco"]);
1688 // Fetch all users from the other server
1689 $url = $server["poco"]."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1691 logger("Fetch all users from the server ".$server["nurl"], LOGGER_DEBUG);
1693 $retdata = z_fetch_url($url);
1694 if ($retdata["success"]) {
1695 $data = json_decode($retdata["body"]);
1697 poco_discover_server($data, 2);
1699 if (get_config('system','poco_discovery') > 1) {
1701 $timeframe = get_config('system','poco_discovery_since');
1702 if ($timeframe == 0) {
1706 $updatedSince = date("Y-m-d H:i:s", time() - $timeframe * 86400);
1708 // Fetch all global contacts from the other server (Not working with Redmatrix and Friendica versions before 3.3)
1709 $url = $server["poco"]."/@global?updatedSince=".$updatedSince."&fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1713 $retdata = z_fetch_url($url);
1714 if ($retdata["success"]) {
1715 logger("Fetch all global contacts from the server ".$server["nurl"], LOGGER_DEBUG);
1716 $success = poco_discover_server(json_decode($retdata["body"]));
1719 if (!$success AND (get_config('system','poco_discovery') > 2)) {
1720 logger("Fetch contacts from users of the server ".$server["nurl"], LOGGER_DEBUG);
1721 poco_discover_server_users($data, $server);
1725 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
1729 // If the server hadn't replied correctly, then force a sanity check
1730 poco_check_server($server["url"], $server["network"], true);
1732 // If we couldn't reach the server, we will try it some time later
1733 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
1739 function poco_discover($complete = false) {
1741 // Update the server list
1742 poco_discover_federation();
1746 $requery_days = intval(get_config("system", "poco_requery_days"));
1748 if ($requery_days == 0)
1751 $last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
1753 $r = q("SELECT `id` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `poco` != '' AND `last_poco_query` < '%s' ORDER BY RAND()", dbesc($last_update));
1754 if (dbm::is_result($r)) {
1755 foreach ($r AS $server) {
1756 if (poco_discover_single_server($server['id']) AND !$complete AND (--$no_of_queries == 0)) {
1763 function poco_discover_server_users($data, $server) {
1765 if (!isset($data->entry))
1768 foreach ($data->entry AS $entry) {
1770 if (isset($entry->urls)) {
1771 foreach($entry->urls as $url)
1772 if ($url->type == 'profile') {
1773 $profile_url = $url->value;
1774 $urlparts = parse_url($profile_url);
1775 $username = end(explode("/", $urlparts["path"]));
1778 if ($username != "") {
1779 logger("Fetch contacts for the user ".$username." from the server ".$server["nurl"], LOGGER_DEBUG);
1781 // Fetch all contacts from a given user from the other server
1782 $url = $server["poco"]."/".$username."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1784 $retdata = z_fetch_url($url);
1785 if ($retdata["success"])
1786 poco_discover_server(json_decode($retdata["body"]), 3);
1791 function poco_discover_server($data, $default_generation = 0) {
1793 if (!isset($data->entry) OR !count($data->entry))
1798 foreach ($data->entry AS $entry) {
1800 $profile_photo = '';
1804 $updated = NULL_DATE;
1810 $generation = $default_generation;
1812 $name = $entry->displayName;
1814 if (isset($entry->urls)) {
1815 foreach($entry->urls as $url) {
1816 if ($url->type == 'profile') {
1817 $profile_url = $url->value;
1820 if ($url->type == 'webfinger') {
1821 $connect_url = str_replace('acct:' , '', $url->value);
1827 if (isset($entry->photos)) {
1828 foreach ($entry->photos as $photo) {
1829 if ($photo->type == 'profile') {
1830 $profile_photo = $photo->value;
1836 if (isset($entry->updated)) {
1837 $updated = date("Y-m-d H:i:s", strtotime($entry->updated));
1840 if(isset($entry->network)) {
1841 $network = $entry->network;
1844 if(isset($entry->currentLocation)) {
1845 $location = $entry->currentLocation;
1848 if(isset($entry->aboutMe)) {
1849 $about = html2bbcode($entry->aboutMe);
1852 if(isset($entry->gender)) {
1853 $gender = $entry->gender;
1856 if(isset($entry->generation) AND ($entry->generation > 0)) {
1857 $generation = ++$entry->generation;
1860 if(isset($entry->contactType) AND ($entry->contactType >= 0)) {
1861 $contact_type = $entry->contactType;
1864 if(isset($entry->tags)) {
1865 foreach ($entry->tags as $tag) {
1866 $keywords = implode(", ", $tag);
1870 if ($generation > 0) {
1873 logger("Store profile ".$profile_url, LOGGER_DEBUG);
1874 poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, 0, 0, 0);
1876 $gcontact = array("url" => $profile_url, "contact-type" => $contact_type, "generation" => $generation);
1877 update_gcontact($gcontact);
1879 logger("Done for profile ".$profile_url, LOGGER_DEBUG);
1886 * @brief Removes unwanted parts from a contact url
1888 * @param string $url Contact url
1889 * @return string Contact url with the wanted parts
1891 function clean_contact_url($url) {
1892 $parts = parse_url($url);
1894 if (!isset($parts["scheme"]) OR !isset($parts["host"]))
1897 $new_url = $parts["scheme"]."://".$parts["host"];
1899 if (isset($parts["port"]))
1900 $new_url .= ":".$parts["port"];
1902 if (isset($parts["path"]))
1903 $new_url .= $parts["path"];
1905 if ($new_url != $url)
1906 logger("Cleaned contact url ".$url." to ".$new_url." - Called by: ".App::callstack(), LOGGER_DEBUG);
1912 * @brief Replace alternate OStatus user format with the primary one
1914 * @param arr $contact contact array (called by reference)
1916 function fix_alternate_contact_address(&$contact) {
1917 if (($contact["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($contact["url"])) {
1918 $data = probe_url($contact["url"]);
1919 if ($contact["network"] == NETWORK_OSTATUS) {
1920 logger("Fix primary url from ".$contact["url"]." to ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
1921 $contact["url"] = $data["url"];
1922 $contact["addr"] = $data["addr"];
1923 $contact["alias"] = $data["alias"];
1924 $contact["server_url"] = $data["baseurl"];
1930 * @brief Fetch the gcontact id, add an entry if not existed
1932 * @param arr $contact contact array
1933 * @return bool|int Returns false if not found, integer if contact was found
1935 function get_gcontact_id($contact) {
1940 if (in_array($contact["network"], array(NETWORK_PHANTOM))) {
1941 logger("Invalid network for contact url ".$contact["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
1945 if ($contact["network"] == NETWORK_STATUSNET)
1946 $contact["network"] = NETWORK_OSTATUS;
1948 // All new contacts are hidden by default
1949 if (!isset($contact["hide"]))
1950 $contact["hide"] = true;
1952 // Replace alternate OStatus user format with the primary one
1953 fix_alternate_contact_address($contact);
1955 // Remove unwanted parts from the contact url (e.g. "?zrl=...")
1956 if (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)))
1957 $contact["url"] = clean_contact_url($contact["url"]);
1959 $r = q("SELECT `id`, `last_contact`, `last_failure`, `network` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 2",
1960 dbesc(normalise_link($contact["url"])));
1963 $gcontact_id = $r[0]["id"];
1965 // Update every 90 days
1966 if (in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) {
1967 $last_failure_str = $r[0]["last_failure"];
1968 $last_failure = strtotime($r[0]["last_failure"]);
1969 $last_contact_str = $r[0]["last_contact"];
1970 $last_contact = strtotime($r[0]["last_contact"]);
1971 $doprobing = (((time() - $last_contact) > (90 * 86400)) AND ((time() - $last_failure) > (90 * 86400)));
1974 q("INSERT INTO `gcontact` (`name`, `nick`, `addr` , `network`, `url`, `nurl`, `photo`, `created`, `updated`, `location`, `about`, `hide`, `generation`)
1975 VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d)",
1976 dbesc($contact["name"]),
1977 dbesc($contact["nick"]),
1978 dbesc($contact["addr"]),
1979 dbesc($contact["network"]),
1980 dbesc($contact["url"]),
1981 dbesc(normalise_link($contact["url"])),
1982 dbesc($contact["photo"]),
1983 dbesc(datetime_convert()),
1984 dbesc(datetime_convert()),
1985 dbesc($contact["location"]),
1986 dbesc($contact["about"]),
1987 intval($contact["hide"]),
1988 intval($contact["generation"])
1991 $r = q("SELECT `id`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 2",
1992 dbesc(normalise_link($contact["url"])));
1995 $gcontact_id = $r[0]["id"];
1997 $doprobing = in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""));
2002 logger("Last Contact: ". $last_contact_str." - Last Failure: ".$last_failure_str." - Checking: ".$contact["url"], LOGGER_DEBUG);
2003 proc_run(PRIORITY_LOW, 'include/gprobe.php', bin2hex($contact["url"]));
2006 if ((dbm::is_result($r)) AND (count($r) > 1) AND ($gcontact_id > 0) AND ($contact["url"] != ""))
2007 q("DELETE FROM `gcontact` WHERE `nurl` = '%s' AND `id` != %d",
2008 dbesc(normalise_link($contact["url"])),
2009 intval($gcontact_id));
2011 return $gcontact_id;
2015 * @brief Updates the gcontact table from a given array
2017 * @param arr $contact contact array
2018 * @return bool|int Returns false if not found, integer if contact was found
2020 function update_gcontact($contact) {
2022 // Check for invalid "contact-type" value
2023 if (isset($contact['contact-type']) AND (intval($contact['contact-type']) < 0)) {
2024 $contact['contact-type'] = 0;
2027 /// @todo update contact table as well
2029 $gcontact_id = get_gcontact_id($contact);
2034 $r = q("SELECT `name`, `nick`, `photo`, `location`, `about`, `addr`, `generation`, `birthday`, `gender`, `keywords`,
2035 `contact-type`, `hide`, `nsfw`, `network`, `alias`, `notify`, `server_url`, `connect`, `updated`, `url`
2036 FROM `gcontact` WHERE `id` = %d LIMIT 1",
2037 intval($gcontact_id));
2039 // Get all field names
2041 foreach ($r[0] AS $field => $data)
2042 $fields[$field] = $data;
2044 unset($fields["url"]);
2045 unset($fields["updated"]);
2046 unset($fields["hide"]);
2048 // Bugfix: We had an error in the storing of keywords which lead to the "0"
2049 // This value is still transmitted via poco.
2050 if ($contact["keywords"] == "0")
2051 unset($contact["keywords"]);
2053 if ($r[0]["keywords"] == "0")
2054 $r[0]["keywords"] = "";
2056 // assign all unassigned fields from the database entry
2057 foreach ($fields AS $field => $data)
2058 if (!isset($contact[$field]) OR ($contact[$field] == ""))
2059 $contact[$field] = $r[0][$field];
2061 if (!isset($contact["hide"]))
2062 $contact["hide"] = $r[0]["hide"];
2064 $fields["hide"] = $r[0]["hide"];
2066 if ($contact["network"] == NETWORK_STATUSNET)
2067 $contact["network"] = NETWORK_OSTATUS;
2069 // Replace alternate OStatus user format with the primary one
2070 fix_alternate_contact_address($contact);
2072 if (!isset($contact["updated"]))
2073 $contact["updated"] = datetime_convert();
2075 if ($contact["server_url"] == "") {
2076 $server_url = $contact["url"];
2078 $server_url = matching_url($server_url, $contact["alias"]);
2079 if ($server_url != "")
2080 $contact["server_url"] = $server_url;
2082 $server_url = matching_url($server_url, $contact["photo"]);
2083 if ($server_url != "")
2084 $contact["server_url"] = $server_url;
2086 $server_url = matching_url($server_url, $contact["notify"]);
2087 if ($server_url != "")
2088 $contact["server_url"] = $server_url;
2090 $contact["server_url"] = normalise_link($contact["server_url"]);
2092 if (($contact["addr"] == "") AND ($contact["server_url"] != "") AND ($contact["nick"] != "")) {
2093 $hostname = str_replace("http://", "", $contact["server_url"]);
2094 $contact["addr"] = $contact["nick"]."@".$hostname;
2097 // Check if any field changed
2099 unset($fields["generation"]);
2101 if ((($contact["generation"] > 0) AND ($contact["generation"] <= $r[0]["generation"])) OR ($r[0]["generation"] == 0)) {
2102 foreach ($fields AS $field => $data)
2103 if ($contact[$field] != $r[0][$field]) {
2104 logger("Difference for contact ".$contact["url"]." in field '".$field."'. New value: '".$contact[$field]."', old value '".$r[0][$field]."'", LOGGER_DEBUG);
2108 if ($contact["generation"] < $r[0]["generation"]) {
2109 logger("Difference for contact ".$contact["url"]." in field 'generation'. new value: '".$contact["generation"]."', old value '".$r[0]["generation"]."'", LOGGER_DEBUG);
2115 logger("Update gcontact for ".$contact["url"], LOGGER_DEBUG);
2117 q("UPDATE `gcontact` SET `photo` = '%s', `name` = '%s', `nick` = '%s', `addr` = '%s', `network` = '%s',
2118 `birthday` = '%s', `gender` = '%s', `keywords` = '%s', `hide` = %d, `nsfw` = %d,
2119 `contact-type` = %d, `alias` = '%s', `notify` = '%s', `url` = '%s',
2120 `location` = '%s', `about` = '%s', `generation` = %d, `updated` = '%s',
2121 `server_url` = '%s', `connect` = '%s'
2122 WHERE `nurl` = '%s' AND (`generation` = 0 OR `generation` >= %d)",
2123 dbesc($contact["photo"]), dbesc($contact["name"]), dbesc($contact["nick"]),
2124 dbesc($contact["addr"]), dbesc($contact["network"]), dbesc($contact["birthday"]),
2125 dbesc($contact["gender"]), dbesc($contact["keywords"]), intval($contact["hide"]),
2126 intval($contact["nsfw"]), intval($contact["contact-type"]), dbesc($contact["alias"]),
2127 dbesc($contact["notify"]), dbesc($contact["url"]), dbesc($contact["location"]),
2128 dbesc($contact["about"]), intval($contact["generation"]), dbesc($contact["updated"]),
2129 dbesc($contact["server_url"]), dbesc($contact["connect"]),
2130 dbesc(normalise_link($contact["url"])), intval($contact["generation"]));
2133 // Now update the contact entry with the user id "0" as well.
2134 // This is used for the shadow copies of public items.
2135 $r = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = 0 ORDER BY `id` LIMIT 1",
2136 dbesc(normalise_link($contact["url"])));
2139 logger("Update shadow contact ".$r[0]["id"], LOGGER_DEBUG);
2141 update_contact_avatar($contact["photo"], 0, $r[0]["id"]);
2143 q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s',
2144 `network` = '%s', `bd` = '%s', `gender` = '%s',
2145 `keywords` = '%s', `alias` = '%s', `contact-type` = %d,
2146 `url` = '%s', `location` = '%s', `about` = '%s'
2148 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["addr"]),
2149 dbesc($contact["network"]), dbesc($contact["birthday"]), dbesc($contact["gender"]),
2150 dbesc($contact["keywords"]), dbesc($contact["alias"]), intval($contact["contact-type"]),
2151 dbesc($contact["url"]), dbesc($contact["location"]), dbesc($contact["about"]),
2152 intval($r[0]["id"]));
2156 return $gcontact_id;
2160 * @brief Updates the gcontact entry from probe
2162 * @param str $url profile link
2164 function update_gcontact_from_probe($url) {
2165 $data = probe_url($url);
2167 if (in_array($data["network"], array(NETWORK_PHANTOM))) {
2168 logger("Invalid network for contact url ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
2172 update_gcontact($data);
2176 * @brief Update the gcontact entry for a given user id
2178 * @param int $uid User ID
2180 function update_gcontact_for_user($uid) {
2181 $r = q("SELECT `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
2182 `profile`.`name`, `profile`.`about`, `profile`.`gender`,
2183 `profile`.`pub_keywords`, `profile`.`dob`, `profile`.`photo`,
2184 `profile`.`net-publish`, `user`.`nickname`, `user`.`hidewall`,
2185 `contact`.`notify`, `contact`.`url`, `contact`.`addr`
2187 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
2188 INNER JOIN `contact` ON `contact`.`uid` = `profile`.`uid`
2189 WHERE `profile`.`uid` = %d AND `profile`.`is-default` AND `contact`.`self`",
2192 $location = formatted_location(array("locality" => $r[0]["locality"], "region" => $r[0]["region"],
2193 "country-name" => $r[0]["country-name"]));
2195 // The "addr" field was added in 3.4.3 so it can be empty for older users
2196 if ($r[0]["addr"] != "")
2197 $addr = $r[0]["nickname"].'@'.str_replace(array("http://", "https://"), "", App::get_baseurl());
2199 $addr = $r[0]["addr"];
2201 $gcontact = array("name" => $r[0]["name"], "location" => $location, "about" => $r[0]["about"],
2202 "gender" => $r[0]["gender"], "keywords" => $r[0]["pub_keywords"],
2203 "birthday" => $r[0]["dob"], "photo" => $r[0]["photo"],
2204 "notify" => $r[0]["notify"], "url" => $r[0]["url"],
2205 "hide" => ($r[0]["hidewall"] OR !$r[0]["net-publish"]),
2206 "nick" => $r[0]["nickname"], "addr" => $addr,
2207 "connect" => $addr, "server_url" => App::get_baseurl(),
2208 "generation" => 1, "network" => NETWORK_DFRN);
2210 update_gcontact($gcontact);
2214 * @brief Fetches users of given GNU Social server
2216 * If the "Statistics" plugin is enabled (See http://gstools.org/ for details) we query user data with this.
2218 * @param str $server Server address
2220 function gs_fetch_users($server) {
2222 logger("Fetching users from GNU Social server ".$server, LOGGER_DEBUG);
2224 $url = $server."/main/statistics";
2226 $result = z_fetch_url($url);
2227 if (!$result["success"])
2230 $statistics = json_decode($result["body"]);
2232 if (is_object($statistics->config)) {
2233 if ($statistics->config->instance_with_ssl)
2234 $server = "https://";
2236 $server = "http://";
2238 $server .= $statistics->config->instance_address;
2240 $hostname = $statistics->config->instance_address;
2242 if ($statistics->instance_with_ssl)
2243 $server = "https://";
2245 $server = "http://";
2247 $server .= $statistics->instance_address;
2249 $hostname = $statistics->instance_address;
2252 if (is_object($statistics->users))
2253 foreach ($statistics->users AS $nick => $user) {
2254 $profile_url = $server."/".$user->nickname;
2256 $contact = array("url" => $profile_url,
2257 "name" => $user->fullname,
2258 "addr" => $user->nickname."@".$hostname,
2259 "nick" => $user->nickname,
2260 "about" => $user->bio,
2261 "network" => NETWORK_OSTATUS,
2262 "photo" => App::get_baseurl()."/images/person-175.jpg");
2263 get_gcontact_id($contact);
2268 * @brief Asking GNU Social server on a regular base for their user data
2271 function gs_discover() {
2273 $requery_days = intval(get_config("system", "poco_requery_days"));
2275 $last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
2277 $r = q("SELECT `nurl`, `url` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `network` = '%s' AND `last_poco_query` < '%s' ORDER BY RAND() LIMIT 5",
2278 dbesc(NETWORK_OSTATUS), dbesc($last_update));
2283 foreach ($r AS $server) {
2284 gs_fetch_users($server["url"]);
2285 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
2290 * @brief Returns a list of all known servers
2291 * @return array List of server urls
2293 function poco_serverlist() {
2294 $r = q("SELECT `url`, `site_name` AS `displayName`, `network`, `platform`, `version` FROM `gserver`
2295 WHERE `network` IN ('%s', '%s', '%s') AND `last_contact` > `last_failure`
2296 ORDER BY `last_contact`
2298 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS));
2299 if (!dbm::is_result($r)) {