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) {
84 $updated = '0000-00-00 00:00:00';
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 == "0000-00-00 00:00:00")
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 = "0000-00-00 00:00:00";
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: ".$profile_photo, LOGGER_DEBUG);
312 poco_check_server($server_url, $network);
314 $gcontact = array("url" => $profile_url,
318 "network" => $network,
319 "photo" => $profile_photo,
321 "location" => $location,
323 "keywords" => $keywords,
324 "server_url" => $server_url,
325 "connect" => $connect_url,
327 "updated" => $updated,
328 "generation" => $generation);
330 $gcid = update_gcontact($gcontact);
335 $r = q("SELECT * FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d LIMIT 1",
341 if (! dbm::is_result($r)) {
342 q("INSERT INTO `glink` (`cid`,`uid`,`gcid`,`zcid`, `updated`) VALUES (%d,%d,%d,%d, '%s') ",
347 dbesc(datetime_convert())
350 q("UPDATE `glink` SET `updated` = '%s' WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d",
351 dbesc(datetime_convert()),
362 function poco_reachable($profile, $server = "", $network = "", $force = false) {
365 $server = poco_detect_server($profile);
370 return poco_check_server($server, $network, $force);
373 function poco_detect_server($profile) {
375 // Try to detect the server path based upon some known standard paths
378 if ($server_url == "") {
379 $friendica = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $profile);
380 if ($friendica != $profile) {
381 $server_url = $friendica;
382 $network = NETWORK_DFRN;
386 if ($server_url == "") {
387 $diaspora = preg_replace("=(https?://)(.*)/u/(.*)=ism", "$1$2", $profile);
388 if ($diaspora != $profile) {
389 $server_url = $diaspora;
390 $network = NETWORK_DIASPORA;
394 if ($server_url == "") {
395 $red = preg_replace("=(https?://)(.*)/channel/(.*)=ism", "$1$2", $profile);
396 if ($red != $profile) {
398 $network = NETWORK_DIASPORA;
403 if ($server_url == "") {
404 $red = preg_replace("=(https?://)(.*)/users/(.*)=ism", "$1$2", $profile);
405 if ($red != $profile) {
407 $network = NETWORK_OSTATUS;
414 function poco_alternate_ostatus_url($url) {
415 return(preg_match("=https?://.+/user/\d+=ism", $url, $matches));
418 function poco_last_updated($profile, $force = false) {
420 $gcontacts = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'",
421 dbesc(normalise_link($profile)));
423 if ($gcontacts[0]["created"] == "0000-00-00 00:00:00")
424 q("UPDATE `gcontact` SET `created` = '%s' WHERE `nurl` = '%s'",
425 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
427 if ($gcontacts[0]["server_url"] != "")
428 $server_url = $gcontacts[0]["server_url"];
430 $server_url = poco_detect_server($profile);
432 if (!in_array($gcontacts[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_FEED, NETWORK_OSTATUS, ""))) {
433 logger("Profile ".$profile.": Network type ".$gcontacts[0]["network"]." can't be checked", LOGGER_DEBUG);
437 if ($server_url != "") {
438 if (!poco_check_server($server_url, $gcontacts[0]["network"], $force)) {
441 q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
442 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
444 logger("Profile ".$profile.": Server ".$server_url." wasn't reachable.", LOGGER_DEBUG);
448 q("UPDATE `gcontact` SET `server_url` = '%s' WHERE `nurl` = '%s'",
449 dbesc($server_url), dbesc(normalise_link($profile)));
452 if (in_array($gcontacts[0]["network"], array("", NETWORK_FEED))) {
453 $server = q("SELECT `network` FROM `gserver` WHERE `nurl` = '%s' AND `network` != ''",
454 dbesc(normalise_link($server_url)));
457 q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'",
458 dbesc($server[0]["network"]), dbesc(normalise_link($profile)));
463 // noscrape is really fast so we don't cache the call.
464 if (($gcontacts[0]["server_url"] != "") AND ($gcontacts[0]["nick"] != "")) {
466 // Use noscrape if possible
467 $server = q("SELECT `noscrape`, `network` FROM `gserver` WHERE `nurl` = '%s' AND `noscrape` != ''", dbesc(normalise_link($gcontacts[0]["server_url"])));
470 $noscraperet = z_fetch_url($server[0]["noscrape"]."/".$gcontacts[0]["nick"]);
472 if ($noscraperet["success"] AND ($noscraperet["body"] != "")) {
474 $noscrape = json_decode($noscraperet["body"], true);
476 if (is_array($noscrape)) {
477 $contact = array("url" => $profile,
478 "network" => $server[0]["network"],
479 "generation" => $gcontacts[0]["generation"]);
481 if (isset($noscrape["fn"]))
482 $contact["name"] = $noscrape["fn"];
484 if (isset($noscrape["comm"]))
485 $contact["community"] = $noscrape["comm"];
487 if (isset($noscrape["tags"])) {
488 $keywords = implode(" ", $noscrape["tags"]);
490 $contact["keywords"] = $keywords;
493 $location = formatted_location($noscrape);
495 $contact["location"] = $location;
497 if (isset($noscrape["dfrn-notify"]))
498 $contact["notify"] = $noscrape["dfrn-notify"];
500 // Remove all fields that are not present in the gcontact table
501 unset($noscrape["fn"]);
502 unset($noscrape["key"]);
503 unset($noscrape["homepage"]);
504 unset($noscrape["comm"]);
505 unset($noscrape["tags"]);
506 unset($noscrape["locality"]);
507 unset($noscrape["region"]);
508 unset($noscrape["country-name"]);
509 unset($noscrape["contacts"]);
510 unset($noscrape["dfrn-request"]);
511 unset($noscrape["dfrn-confirm"]);
512 unset($noscrape["dfrn-notify"]);
513 unset($noscrape["dfrn-poll"]);
515 // Set the date of the last contact
516 /// @todo By now the function "update_gcontact" doesn't work with this field
517 //$contact["last_contact"] = datetime_convert();
519 $contact = array_merge($contact, $noscrape);
521 update_gcontact($contact);
523 if (trim($noscrape["updated"]) != "") {
524 q("UPDATE `gcontact` SET `last_contact` = '%s' WHERE `nurl` = '%s'",
525 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
527 logger("Profile ".$profile." was last updated at ".$noscrape["updated"]." (noscrape)", LOGGER_DEBUG);
529 return $noscrape["updated"];
536 // If we only can poll the feed, then we only do this once a while
537 if (!$force AND !poco_do_update($gcontacts[0]["created"], $gcontacts[0]["updated"], $gcontacts[0]["last_failure"], $gcontacts[0]["last_contact"])) {
538 logger("Profile ".$profile." was last updated at ".$gcontacts[0]["updated"]." (cached)", LOGGER_DEBUG);
539 return $gcontacts[0]["updated"];
542 $data = probe_url($profile);
544 // Is the profile link the alternate OStatus link notation? (http://domain.tld/user/4711)
545 // Then check the other link and delete this one
546 if (($data["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($profile) AND
547 (normalise_link($profile) == normalise_link($data["alias"])) AND
548 (normalise_link($profile) != normalise_link($data["url"]))) {
550 // Delete the old entry
551 q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($profile)));
552 q("DELETE FROM `glink` WHERE `gcid` = %d", intval($gcontacts[0]["id"]));
554 poco_check($data["url"], $data["name"], $data["network"], $data["photo"], $gcontacts[0]["about"], $gcontacts[0]["location"],
555 $gcontacts[0]["gender"], $gcontacts[0]["keywords"], $data["addr"], $gcontacts[0]["updated"], $gcontacts[0]["generation"]);
557 poco_last_updated($data["url"], $force);
559 logger("Profile ".$profile." was deleted", LOGGER_DEBUG);
563 if (($data["poll"] == "") OR (in_array($data["network"], array(NETWORK_FEED, NETWORK_PHANTOM)))) {
564 q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
565 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
567 logger("Profile ".$profile." wasn't reachable (profile)", LOGGER_DEBUG);
571 $contact = array("generation" => $gcontacts[0]["generation"]);
573 $contact = array_merge($contact, $data);
575 $contact["server_url"] = $data["baseurl"];
577 unset($contact["batch"]);
578 unset($contact["poll"]);
579 unset($contact["request"]);
580 unset($contact["confirm"]);
581 unset($contact["poco"]);
582 unset($contact["priority"]);
583 unset($contact["pubkey"]);
584 unset($contact["baseurl"]);
586 update_gcontact($contact);
588 $feedret = z_fetch_url($data["poll"]);
590 if (!$feedret["success"]) {
591 q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
592 dbesc(datetime_convert()), dbesc(normalise_link($profile)));
594 logger("Profile ".$profile." wasn't reachable (no feed)", LOGGER_DEBUG);
598 $doc = new DOMDocument();
599 @$doc->loadXML($feedret["body"]);
601 $xpath = new DomXPath($doc);
602 $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
604 $entries = $xpath->query('/atom:feed/atom:entry');
608 foreach ($entries AS $entry) {
609 $published = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
610 $updated = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
612 if ($last_updated < $published)
613 $last_updated = $published;
615 if ($last_updated < $updated)
616 $last_updated = $updated;
619 // Maybe there aren't any entries. Then check if it is a valid feed
620 if ($last_updated == "")
621 if ($xpath->query('/atom:feed')->length > 0)
622 $last_updated = "0000-00-00 00:00:00";
624 q("UPDATE `gcontact` SET `updated` = '%s', `last_contact` = '%s' WHERE `nurl` = '%s'",
625 dbesc(dbm::date($last_updated)), dbesc(dbm::date()), dbesc(normalise_link($profile)));
627 if (($gcontacts[0]["generation"] == 0))
628 q("UPDATE `gcontact` SET `generation` = 9 WHERE `nurl` = '%s'",
629 dbesc(normalise_link($profile)));
631 logger("Profile ".$profile." was last updated at ".$last_updated, LOGGER_DEBUG);
633 return($last_updated);
636 function poco_do_update($created, $updated, $last_failure, $last_contact) {
637 $now = strtotime(datetime_convert());
639 if ($updated > $last_contact)
640 $contact_time = strtotime($updated);
642 $contact_time = strtotime($last_contact);
644 $failure_time = strtotime($last_failure);
645 $created_time = strtotime($created);
647 // If there is no "created" time then use the current time
648 if ($created_time <= 0)
649 $created_time = $now;
651 // If the last contact was less than 24 hours then don't update
652 if (($now - $contact_time) < (60 * 60 * 24))
655 // If the last failure was less than 24 hours then don't update
656 if (($now - $failure_time) < (60 * 60 * 24))
659 // If the last contact was less than a week ago and the last failure is older than a week then don't update
660 //if ((($now - $contact_time) < (60 * 60 * 24 * 7)) AND ($contact_time > $failure_time))
663 // If the last contact time was more than a week ago and the contact was created more than a week ago, then only try once a week
664 if ((($now - $contact_time) > (60 * 60 * 24 * 7)) AND (($now - $created_time) > (60 * 60 * 24 * 7)) AND (($now - $failure_time) < (60 * 60 * 24 * 7)))
667 // If the last contact time was more than a month ago and the contact was created more than a month ago, then only try once a month
668 if ((($now - $contact_time) > (60 * 60 * 24 * 30)) AND (($now - $created_time) > (60 * 60 * 24 * 30)) AND (($now - $failure_time) < (60 * 60 * 24 * 30)))
674 function poco_to_boolean($val) {
675 if (($val == "true") OR ($val == 1))
677 if (($val == "false") OR ($val == 0))
683 function poco_detect_friendica_server($body) {
686 $doc = new \DOMDocument();
687 @$doc->loadHTML($body);
688 $xpath = new \DomXPath($doc);
690 $list = $xpath->query("//meta[@name]");
692 foreach ($list as $node) {
694 if ($node->attributes->length) {
695 foreach ($node->attributes as $attribute) {
696 $attr[$attribute->name] = $attribute->value;
699 if ($attr['name'] == 'generator') {
700 $version_part = explode(" ", $attr['content']);
701 if (count($version_part) == 2) {
702 if (in_array($version_part[0], array("Friendika", "Friendica"))) {
704 $server["platform"] = $version_part[0];
705 $server["version"] = $version_part[1];
706 $server["network"] = NETWORK_DFRN;
716 $server["site_name"] = $xpath->evaluate($element."//head/title/text()", $context)->item(0)->nodeValue;
720 function poco_check_server($server_url, $network = "", $force = false) {
722 // Unify the server address
723 $server_url = trim($server_url, "/");
724 $server_url = str_replace("/index.php", "", $server_url);
726 if ($server_url == "")
729 $servers = q("SELECT * FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
732 if ($servers[0]["created"] == "0000-00-00 00:00:00")
733 q("UPDATE `gserver` SET `created` = '%s' WHERE `nurl` = '%s'",
734 dbesc(datetime_convert()), dbesc(normalise_link($server_url)));
736 $poco = $servers[0]["poco"];
737 $noscrape = $servers[0]["noscrape"];
740 $network = $servers[0]["network"];
742 $last_contact = $servers[0]["last_contact"];
743 $last_failure = $servers[0]["last_failure"];
744 $version = $servers[0]["version"];
745 $platform = $servers[0]["platform"];
746 $site_name = $servers[0]["site_name"];
747 $info = $servers[0]["info"];
748 $register_policy = $servers[0]["register_policy"];
750 if (!$force AND !poco_do_update($servers[0]["created"], "", $last_failure, $last_contact)) {
751 logger("Use cached data for server ".$server_url, LOGGER_DEBUG);
752 return ($last_contact >= $last_failure);
761 $register_policy = -1;
763 $last_contact = "0000-00-00 00:00:00";
764 $last_failure = "0000-00-00 00:00:00";
766 logger("Server ".$server_url." is outdated or unknown. Start discovery. Force: ".$force." Created: ".$servers[0]["created"]." Failure: ".$last_failure." Contact: ".$last_contact, LOGGER_DEBUG);
769 $possible_failure = false;
770 $orig_last_failure = $last_failure;
771 $orig_last_contact = $last_contact;
773 // Check if the page is accessible via SSL.
774 $server_url = str_replace("http://", "https://", $server_url);
775 $serverret = z_fetch_url($server_url."/.well-known/host-meta");
777 // Maybe the page is unencrypted only?
778 $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
779 if (!$serverret["success"] OR ($serverret["body"] == "") OR (@sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
780 $server_url = str_replace("https://", "http://", $server_url);
781 $serverret = z_fetch_url($server_url."/.well-known/host-meta");
783 $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
786 if (!$serverret["success"] OR ($serverret["body"] == "") OR (sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
787 // Workaround for bad configured servers (known nginx problem)
788 if ($serverret["debug"]["http_code"] != "403") {
789 $last_failure = datetime_convert();
792 $possible_failure = true;
793 } elseif ($network == NETWORK_DIASPORA)
794 $last_contact = datetime_convert();
798 $serverret = z_fetch_url($server_url);
800 if (!$serverret["success"] OR ($serverret["body"] == "")) {
801 $last_failure = datetime_convert();
804 $lines = explode("\n",$serverret["header"]);
806 foreach($lines as $line) {
808 if(stristr($line,'X-Diaspora-Version:')) {
809 $platform = "Diaspora";
810 $version = trim(str_replace("X-Diaspora-Version:", "", $line));
811 $version = trim(str_replace("x-diaspora-version:", "", $version));
812 $network = NETWORK_DIASPORA;
813 $versionparts = explode("-", $version);
814 $version = $versionparts[0];
815 $last_contact = datetime_convert();
818 if(stristr($line,'Server: Mastodon')) {
819 $platform = "Mastodon";
820 $network = NETWORK_OSTATUS;
821 // Mastodon doesn't reveal version numbers
823 $last_contact = datetime_convert();
828 $friendica_server = poco_detect_friendica_server($serverret["body"]);
829 if ($friendica_server) {
830 $platform = $friendica_server['platform'];
831 $network = $friendica_server['network'];
832 $version = $friendica_server['version'];
833 $site_name = $friendica_server['site_name'];
834 $last_contact = datetime_convert();
840 // Test for Statusnet
841 // Will also return data for Friendica and GNU Social - but it will be overwritten later
842 // The "not implemented" is a special treatment for really, really old Friendica versions
843 $serverret = z_fetch_url($server_url."/api/statusnet/version.json");
844 if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND
845 ($serverret["body"] != '') AND (strlen($serverret["body"]) < 30)) {
846 $platform = "StatusNet";
847 $version = trim($serverret["body"], '"');
848 $network = NETWORK_OSTATUS;
849 $last_contact = datetime_convert();
852 // Test for GNU Social
853 $serverret = z_fetch_url($server_url."/api/gnusocial/version.json");
854 if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND
855 ($serverret["body"] != '') AND (strlen($serverret["body"]) < 30)) {
856 $platform = "GNU Social";
857 $version = trim($serverret["body"], '"');
858 $network = NETWORK_OSTATUS;
859 $last_contact = datetime_convert();
862 $serverret = z_fetch_url($server_url."/api/statusnet/config.json");
863 if ($serverret["success"]) {
864 $data = json_decode($serverret["body"]);
865 if (isset($data->site->server)) {
866 $last_contact = datetime_convert();
868 if (isset($data->site->hubzilla)) {
869 $platform = $data->site->hubzilla->PLATFORM_NAME;
870 $version = $data->site->hubzilla->RED_VERSION;
871 $network = NETWORK_DIASPORA;
873 if (isset($data->site->redmatrix)) {
874 if (isset($data->site->redmatrix->PLATFORM_NAME))
875 $platform = $data->site->redmatrix->PLATFORM_NAME;
876 elseif (isset($data->site->redmatrix->RED_PLATFORM))
877 $platform = $data->site->redmatrix->RED_PLATFORM;
879 $version = $data->site->redmatrix->RED_VERSION;
880 $network = NETWORK_DIASPORA;
882 if (isset($data->site->friendica)) {
883 $platform = $data->site->friendica->FRIENDICA_PLATFORM;
884 $version = $data->site->friendica->FRIENDICA_VERSION;
885 $network = NETWORK_DFRN;
888 $site_name = $data->site->name;
890 $data->site->closed = poco_to_boolean($data->site->closed);
891 $data->site->private = poco_to_boolean($data->site->private);
892 $data->site->inviteonly = poco_to_boolean($data->site->inviteonly);
894 if (!$data->site->closed AND !$data->site->private and $data->site->inviteonly)
895 $register_policy = REGISTER_APPROVE;
896 elseif (!$data->site->closed AND !$data->site->private)
897 $register_policy = REGISTER_OPEN;
899 $register_policy = REGISTER_CLOSED;
905 // Query statistics.json. Optional package for Diaspora, Friendica and Redmatrix
907 $serverret = z_fetch_url($server_url."/statistics.json");
908 if ($serverret["success"]) {
909 $data = json_decode($serverret["body"]);
911 $version = $data->version;
913 $site_name = $data->name;
915 if (isset($data->network) AND ($platform == ""))
916 $platform = $data->network;
918 if ($platform == "Diaspora")
919 $network = NETWORK_DIASPORA;
921 if ($data->registrations_open)
922 $register_policy = REGISTER_OPEN;
924 $register_policy = REGISTER_CLOSED;
926 if (isset($data->version))
927 $last_contact = datetime_convert();
931 // Check for noscrape
932 // Friendica servers could be detected as OStatus servers
933 if (!$failure AND in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS))) {
934 $serverret = z_fetch_url($server_url."/friendica/json");
936 if (!$serverret["success"])
937 $serverret = z_fetch_url($server_url."/friendika/json");
939 if ($serverret["success"]) {
940 $data = json_decode($serverret["body"]);
942 if (isset($data->version)) {
943 $last_contact = datetime_convert();
944 $network = NETWORK_DFRN;
946 $noscrape = $data->no_scrape_url;
947 $version = $data->version;
948 $site_name = $data->site_name;
950 $register_policy_str = $data->register_policy;
951 $platform = $data->platform;
953 switch ($register_policy_str) {
954 case "REGISTER_CLOSED":
955 $register_policy = REGISTER_CLOSED;
957 case "REGISTER_APPROVE":
958 $register_policy = REGISTER_APPROVE;
960 case "REGISTER_OPEN":
961 $register_policy = REGISTER_OPEN;
970 $serverret = z_fetch_url($server_url."/poco");
971 if ($serverret["success"]) {
972 $data = json_decode($serverret["body"]);
973 if (isset($data->totalResults)) {
974 $poco = $server_url."/poco";
975 $last_contact = datetime_convert();
980 if ($possible_failure AND !$failure) {
981 $last_failure = datetime_convert();
986 $last_contact = $orig_last_contact;
988 $last_failure = $orig_last_failure;
991 if (($last_contact <= $last_failure) AND !$failure) {
992 logger("Server ".$server_url." seems to be alive, but last contact wasn't set - could be a bug", LOGGER_DEBUG);
993 } else if (($last_contact >= $last_failure) AND $failure) {
994 logger("Server ".$server_url." seems to be dead, but last failure wasn't set - could be a bug", LOGGER_DEBUG);
997 // Check again if the server exists
998 $servers = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
1000 $version = strip_tags($version);
1001 $site_name = strip_tags($site_name);
1002 $info = strip_tags($info);
1003 $platform = strip_tags($platform);
1006 q("UPDATE `gserver` SET `url` = '%s', `version` = '%s', `site_name` = '%s', `info` = '%s', `register_policy` = %d, `poco` = '%s', `noscrape` = '%s',
1007 `network` = '%s', `platform` = '%s', `last_contact` = '%s', `last_failure` = '%s' WHERE `nurl` = '%s'",
1012 intval($register_policy),
1017 dbesc($last_contact),
1018 dbesc($last_failure),
1019 dbesc(normalise_link($server_url))
1022 q("INSERT INTO `gserver` (`url`, `nurl`, `version`, `site_name`, `info`, `register_policy`, `poco`, `noscrape`, `network`, `platform`, `created`, `last_contact`, `last_failure`)
1023 VALUES ('%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s')",
1025 dbesc(normalise_link($server_url)),
1029 intval($register_policy),
1034 dbesc(datetime_convert()),
1035 dbesc($last_contact),
1036 dbesc($last_failure),
1037 dbesc(datetime_convert())
1040 logger("End discovery for server ".$server_url, LOGGER_DEBUG);
1045 function count_common_friends($uid,$cid) {
1047 $r = q("SELECT count(*) as `total`
1048 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1049 WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
1050 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
1051 AND `gcontact`.`nurl` IN (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d ) ",
1058 // logger("count_common_friends: $uid $cid {$r[0]['total']}");
1059 if (dbm::is_result($r))
1060 return $r[0]['total'];
1066 function common_friends($uid,$cid,$start = 0,$limit=9999,$shuffle = false) {
1069 $sql_extra = " order by rand() ";
1071 $sql_extra = " order by `gcontact`.`name` asc ";
1073 $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid`
1075 INNER JOIN `gcontact` ON `glink`.`gcid` = `gcontact`.`id`
1076 INNER JOIN `contact` ON `gcontact`.`nurl` = `contact`.`nurl`
1077 WHERE `glink`.`cid` = %d and `glink`.`uid` = %d
1078 AND `contact`.`uid` = %d AND `contact`.`self` = 0 AND `contact`.`blocked` = 0
1079 AND `contact`.`hidden` = 0 AND `contact`.`id` != %d
1080 AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
1081 $sql_extra LIMIT %d, %d",
1095 function count_common_friends_zcid($uid,$zcid) {
1097 $r = q("SELECT count(*) as `total`
1098 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1099 where `glink`.`zcid` = %d
1100 and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) ",
1105 if (dbm::is_result($r))
1106 return $r[0]['total'];
1111 function common_friends_zcid($uid,$zcid,$start = 0, $limit = 9999,$shuffle = false) {
1114 $sql_extra = " order by rand() ";
1116 $sql_extra = " order by `gcontact`.`name` asc ";
1118 $r = q("SELECT `gcontact`.*
1119 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1120 where `glink`.`zcid` = %d
1121 and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 )
1122 $sql_extra limit %d, %d",
1134 function count_all_friends($uid,$cid) {
1136 $r = q("SELECT count(*) as `total`
1137 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1138 where `glink`.`cid` = %d and `glink`.`uid` = %d AND
1139 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))",
1144 if (dbm::is_result($r))
1145 return $r[0]['total'];
1151 function all_friends($uid,$cid,$start = 0, $limit = 80) {
1153 $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid`
1155 INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
1156 LEFT JOIN `contact` ON `contact`.`nurl` = `gcontact`.`nurl` AND `contact`.`uid` = %d
1157 WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
1158 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
1159 ORDER BY `gcontact`.`name` ASC LIMIT %d, %d ",
1172 function suggestion_query($uid, $start = 0, $limit = 80) {
1178 // Uncommented because the result of the queries are to big to store it in the cache.
1179 // We need to decide if we want to change the db column type or if we want to delete it.
1180 // $list = Cache::get("suggestion_query:".$uid.":".$start.":".$limit);
1181 // if (!is_null($list)) {
1185 $network = array(NETWORK_DFRN);
1187 if (get_config('system','diaspora_enabled'))
1188 $network[] = NETWORK_DIASPORA;
1190 if (!get_config('system','ostatus_disabled'))
1191 $network[] = NETWORK_OSTATUS;
1193 $sql_network = implode("', '", $network);
1194 $sql_network = "'".$sql_network."'";
1196 /// @todo This query is really slow
1197 // By now we cache the data for five minutes
1198 $r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact
1199 INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
1200 where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d )
1201 AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
1202 AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
1203 AND `gcontact`.`updated` != '0000-00-00 00:00:00'
1204 AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
1205 AND `gcontact`.`network` IN (%s)
1206 GROUP BY `glink`.`gcid` ORDER BY `gcontact`.`updated` DESC,`total` DESC LIMIT %d, %d",
1216 if (dbm::is_result($r) && count($r) >= ($limit -1)) {
1217 // Uncommented because the result of the queries are to big to store it in the cache.
1218 // We need to decide if we want to change the db column type or if we want to delete it.
1219 // Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $r, CACHE_FIVE_MINUTES);
1224 $r2 = q("SELECT gcontact.* FROM gcontact
1225 INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
1226 WHERE `glink`.`uid` = 0 AND `glink`.`cid` = 0 AND `glink`.`zcid` = 0 AND NOT `gcontact`.`nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` = %d)
1227 AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
1228 AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
1229 AND `gcontact`.`updated` != '0000-00-00 00:00:00'
1230 AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
1231 AND `gcontact`.`network` IN (%s)
1232 ORDER BY rand() LIMIT %d, %d",
1242 foreach ($r2 AS $suggestion)
1243 $list[$suggestion["nurl"]] = $suggestion;
1245 foreach ($r AS $suggestion)
1246 $list[$suggestion["nurl"]] = $suggestion;
1248 while (sizeof($list) > ($limit))
1251 // Uncommented because the result of the queries are to big to store it in the cache.
1252 // We need to decide if we want to change the db column type or if we want to delete it.
1253 // Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $list, CACHE_FIVE_MINUTES);
1257 function update_suggestions() {
1263 /// @TODO Check if it is really neccessary to poll the own server
1264 poco_load(0,0,0,App::get_baseurl() . '/poco');
1266 $done[] = App::get_baseurl() . '/poco';
1268 if (strlen(get_config('system','directory'))) {
1269 $x = fetch_url(get_server()."/pubsites");
1271 $j = json_decode($x);
1273 foreach ($j->entries as $entry) {
1275 poco_check_server($entry->url);
1277 $url = $entry->url . '/poco';
1278 if (! in_array($url,$done)) {
1279 poco_load(0,0,0,$entry->url . '/poco');
1286 // Query your contacts from Friendica and Redmatrix/Hubzilla for their contacts
1287 $r = q("SELECT DISTINCT(`poco`) AS `poco` FROM `contact` WHERE `network` IN ('%s', '%s')",
1288 dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA)
1291 if (dbm::is_result($r)) {
1292 foreach ($r as $rr) {
1293 $base = substr($rr['poco'],0,strrpos($rr['poco'],'/'));
1294 if(! in_array($base,$done))
1295 poco_load(0,0,0,$base);
1300 function poco_discover_federation() {
1301 $last = get_config('poco','last_federation_discovery');
1304 $next = $last + (24 * 60 * 60);
1309 // Discover Friendica, Hubzilla and Diaspora servers
1310 $serverdata = fetch_url("http://the-federation.info/pods.json");
1313 $servers = json_decode($serverdata);
1315 foreach($servers->pods AS $server)
1316 poco_check_server("https://".$server->host);
1319 // Discover GNU Social Servers
1320 if (!get_config('system','ostatus_disabled')) {
1321 $serverdata = "http://gstools.org/api/get_open_instances/";
1323 $result = z_fetch_url($serverdata);
1324 if ($result["success"]) {
1325 $servers = json_decode($result["body"]);
1327 foreach($servers->data AS $server)
1328 poco_check_server($server->instance_address);
1332 set_config('poco','last_federation_discovery', time());
1335 function poco_discover($complete = false) {
1337 // Update the server list
1338 poco_discover_federation();
1342 $requery_days = intval(get_config("system", "poco_requery_days"));
1344 if ($requery_days == 0)
1347 $last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
1349 $r = q("SELECT `poco`, `nurl`, `url`, `network` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `poco` != '' AND `last_poco_query` < '%s' ORDER BY RAND()", dbesc($last_update));
1351 foreach ($r AS $server) {
1353 if (!poco_check_server($server["url"], $server["network"])) {
1354 // The server is not reachable? Okay, then we will try it later
1355 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
1359 // Fetch all users from the other server
1360 $url = $server["poco"]."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1362 logger("Fetch all users from the server ".$server["nurl"], LOGGER_DEBUG);
1364 $retdata = z_fetch_url($url);
1365 if ($retdata["success"]) {
1366 $data = json_decode($retdata["body"]);
1368 poco_discover_server($data, 2);
1370 if (get_config('system','poco_discovery') > 1) {
1372 $timeframe = get_config('system','poco_discovery_since');
1373 if ($timeframe == 0)
1376 $updatedSince = date("Y-m-d H:i:s", time() - $timeframe * 86400);
1378 // Fetch all global contacts from the other server (Not working with Redmatrix and Friendica versions before 3.3)
1379 $url = $server["poco"]."/@global?updatedSince=".$updatedSince."&fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1383 $retdata = z_fetch_url($url);
1384 if ($retdata["success"]) {
1385 logger("Fetch all global contacts from the server ".$server["nurl"], LOGGER_DEBUG);
1386 $success = poco_discover_server(json_decode($retdata["body"]));
1389 if (!$success AND (get_config('system','poco_discovery') > 2)) {
1390 logger("Fetch contacts from users of the server ".$server["nurl"], LOGGER_DEBUG);
1391 poco_discover_server_users($data, $server);
1395 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
1396 if (!$complete AND (--$no_of_queries == 0))
1399 // If the server hadn't replied correctly, then force a sanity check
1400 poco_check_server($server["url"], $server["network"], true);
1402 // If we couldn't reach the server, we will try it some time later
1403 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
1408 function poco_discover_server_users($data, $server) {
1410 if (!isset($data->entry))
1413 foreach ($data->entry AS $entry) {
1415 if (isset($entry->urls)) {
1416 foreach($entry->urls as $url)
1417 if ($url->type == 'profile') {
1418 $profile_url = $url->value;
1419 $urlparts = parse_url($profile_url);
1420 $username = end(explode("/", $urlparts["path"]));
1423 if ($username != "") {
1424 logger("Fetch contacts for the user ".$username." from the server ".$server["nurl"], LOGGER_DEBUG);
1426 // Fetch all contacts from a given user from the other server
1427 $url = $server["poco"]."/".$username."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1429 $retdata = z_fetch_url($url);
1430 if ($retdata["success"])
1431 poco_discover_server(json_decode($retdata["body"]), 3);
1436 function poco_discover_server($data, $default_generation = 0) {
1438 if (!isset($data->entry) OR !count($data->entry))
1443 foreach ($data->entry AS $entry) {
1445 $profile_photo = '';
1449 $updated = '0000-00-00 00:00:00';
1455 $generation = $default_generation;
1457 $name = $entry->displayName;
1459 if (isset($entry->urls)) {
1460 foreach($entry->urls as $url) {
1461 if ($url->type == 'profile') {
1462 $profile_url = $url->value;
1465 if ($url->type == 'webfinger') {
1466 $connect_url = str_replace('acct:' , '', $url->value);
1472 if (isset($entry->photos)) {
1473 foreach ($entry->photos as $photo) {
1474 if ($photo->type == 'profile') {
1475 $profile_photo = $photo->value;
1481 if (isset($entry->updated)) {
1482 $updated = date("Y-m-d H:i:s", strtotime($entry->updated));
1485 if(isset($entry->network)) {
1486 $network = $entry->network;
1489 if(isset($entry->currentLocation)) {
1490 $location = $entry->currentLocation;
1493 if(isset($entry->aboutMe)) {
1494 $about = html2bbcode($entry->aboutMe);
1497 if(isset($entry->gender)) {
1498 $gender = $entry->gender;
1501 if(isset($entry->generation) AND ($entry->generation > 0)) {
1502 $generation = ++$entry->generation;
1505 if(isset($entry->contactType) AND ($entry->contactType >= 0)) {
1506 $contact_type = $entry->contactType;
1509 if(isset($entry->tags)) {
1510 foreach ($entry->tags as $tag) {
1511 $keywords = implode(", ", $tag);
1515 if ($generation > 0) {
1518 logger("Store profile ".$profile_url, LOGGER_DEBUG);
1519 poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, 0, 0, 0);
1521 $gcontact = array("url" => $profile_url, "contact-type" => $contact_type, "generation" => $generation);
1522 update_gcontact($gcontact);
1524 logger("Done for profile ".$profile_url, LOGGER_DEBUG);
1531 * @brief Removes unwanted parts from a contact url
1533 * @param string $url Contact url
1534 * @return string Contact url with the wanted parts
1536 function clean_contact_url($url) {
1537 $parts = parse_url($url);
1539 if (!isset($parts["scheme"]) OR !isset($parts["host"]))
1542 $new_url = $parts["scheme"]."://".$parts["host"];
1544 if (isset($parts["port"]))
1545 $new_url .= ":".$parts["port"];
1547 if (isset($parts["path"]))
1548 $new_url .= $parts["path"];
1550 if ($new_url != $url)
1551 logger("Cleaned contact url ".$url." to ".$new_url." - Called by: ".App::callstack(), LOGGER_DEBUG);
1557 * @brief Replace alternate OStatus user format with the primary one
1559 * @param arr $contact contact array (called by reference)
1561 function fix_alternate_contact_address(&$contact) {
1562 if (($contact["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($contact["url"])) {
1563 $data = probe_url($contact["url"]);
1564 if ($contact["network"] == NETWORK_OSTATUS) {
1565 logger("Fix primary url from ".$contact["url"]." to ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
1566 $contact["url"] = $data["url"];
1567 $contact["addr"] = $data["addr"];
1568 $contact["alias"] = $data["alias"];
1569 $contact["server_url"] = $data["baseurl"];
1575 * @brief Fetch the gcontact id, add an entry if not existed
1577 * @param arr $contact contact array
1578 * @return bool|int Returns false if not found, integer if contact was found
1580 function get_gcontact_id($contact) {
1585 if (in_array($contact["network"], array(NETWORK_PHANTOM))) {
1586 logger("Invalid network for contact url ".$contact["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
1590 if ($contact["network"] == NETWORK_STATUSNET)
1591 $contact["network"] = NETWORK_OSTATUS;
1593 // All new contacts are hidden by default
1594 if (!isset($contact["hide"]))
1595 $contact["hide"] = true;
1597 // Replace alternate OStatus user format with the primary one
1598 fix_alternate_contact_address($contact);
1600 // Remove unwanted parts from the contact url (e.g. "?zrl=...")
1601 if (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)))
1602 $contact["url"] = clean_contact_url($contact["url"]);
1604 $r = q("SELECT `id`, `last_contact`, `last_failure`, `network` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 2",
1605 dbesc(normalise_link($contact["url"])));
1608 $gcontact_id = $r[0]["id"];
1610 // Update every 90 days
1611 if (in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) {
1612 $last_failure_str = $r[0]["last_failure"];
1613 $last_failure = strtotime($r[0]["last_failure"]);
1614 $last_contact_str = $r[0]["last_contact"];
1615 $last_contact = strtotime($r[0]["last_contact"]);
1616 $doprobing = (((time() - $last_contact) > (90 * 86400)) AND ((time() - $last_failure) > (90 * 86400)));
1619 q("INSERT INTO `gcontact` (`name`, `nick`, `addr` , `network`, `url`, `nurl`, `photo`, `created`, `updated`, `location`, `about`, `hide`, `generation`)
1620 VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d)",
1621 dbesc($contact["name"]),
1622 dbesc($contact["nick"]),
1623 dbesc($contact["addr"]),
1624 dbesc($contact["network"]),
1625 dbesc($contact["url"]),
1626 dbesc(normalise_link($contact["url"])),
1627 dbesc($contact["photo"]),
1628 dbesc(datetime_convert()),
1629 dbesc(datetime_convert()),
1630 dbesc($contact["location"]),
1631 dbesc($contact["about"]),
1632 intval($contact["hide"]),
1633 intval($contact["generation"])
1636 $r = q("SELECT `id`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 2",
1637 dbesc(normalise_link($contact["url"])));
1640 $gcontact_id = $r[0]["id"];
1642 $doprobing = in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""));
1647 logger("Last Contact: ". $last_contact_str." - Last Failure: ".$last_failure_str." - Checking: ".$contact["url"], LOGGER_DEBUG);
1648 proc_run(PRIORITY_LOW, 'include/gprobe.php', bin2hex($contact["url"]));
1651 if ((dbm::is_result($r)) AND (count($r) > 1) AND ($gcontact_id > 0) AND ($contact["url"] != ""))
1652 q("DELETE FROM `gcontact` WHERE `nurl` = '%s' AND `id` != %d",
1653 dbesc(normalise_link($contact["url"])),
1654 intval($gcontact_id));
1656 return $gcontact_id;
1660 * @brief Updates the gcontact table from a given array
1662 * @param arr $contact contact array
1663 * @return bool|int Returns false if not found, integer if contact was found
1665 function update_gcontact($contact) {
1667 // Check for invalid "contact-type" value
1668 if (isset($contact['contact-type']) AND (intval($contact['contact-type']) < 0)) {
1669 $contact['contact-type'] = 0;
1672 /// @todo update contact table as well
1674 $gcontact_id = get_gcontact_id($contact);
1679 $r = q("SELECT `name`, `nick`, `photo`, `location`, `about`, `addr`, `generation`, `birthday`, `gender`, `keywords`,
1680 `contact-type`, `hide`, `nsfw`, `network`, `alias`, `notify`, `server_url`, `connect`, `updated`, `url`
1681 FROM `gcontact` WHERE `id` = %d LIMIT 1",
1682 intval($gcontact_id));
1684 // Get all field names
1686 foreach ($r[0] AS $field => $data)
1687 $fields[$field] = $data;
1689 unset($fields["url"]);
1690 unset($fields["updated"]);
1691 unset($fields["hide"]);
1693 // Bugfix: We had an error in the storing of keywords which lead to the "0"
1694 // This value is still transmitted via poco.
1695 if ($contact["keywords"] == "0")
1696 unset($contact["keywords"]);
1698 if ($r[0]["keywords"] == "0")
1699 $r[0]["keywords"] = "";
1701 // assign all unassigned fields from the database entry
1702 foreach ($fields AS $field => $data)
1703 if (!isset($contact[$field]) OR ($contact[$field] == ""))
1704 $contact[$field] = $r[0][$field];
1706 if (!isset($contact["hide"]))
1707 $contact["hide"] = $r[0]["hide"];
1709 $fields["hide"] = $r[0]["hide"];
1711 if ($contact["network"] == NETWORK_STATUSNET)
1712 $contact["network"] = NETWORK_OSTATUS;
1714 // Replace alternate OStatus user format with the primary one
1715 fix_alternate_contact_address($contact);
1717 if (!isset($contact["updated"]))
1718 $contact["updated"] = datetime_convert();
1720 if ($contact["server_url"] == "") {
1721 $server_url = $contact["url"];
1723 $server_url = matching_url($server_url, $contact["alias"]);
1724 if ($server_url != "")
1725 $contact["server_url"] = $server_url;
1727 $server_url = matching_url($server_url, $contact["photo"]);
1728 if ($server_url != "")
1729 $contact["server_url"] = $server_url;
1731 $server_url = matching_url($server_url, $contact["notify"]);
1732 if ($server_url != "")
1733 $contact["server_url"] = $server_url;
1735 $contact["server_url"] = normalise_link($contact["server_url"]);
1737 if (($contact["addr"] == "") AND ($contact["server_url"] != "") AND ($contact["nick"] != "")) {
1738 $hostname = str_replace("http://", "", $contact["server_url"]);
1739 $contact["addr"] = $contact["nick"]."@".$hostname;
1742 // Check if any field changed
1744 unset($fields["generation"]);
1746 if ((($contact["generation"] > 0) AND ($contact["generation"] <= $r[0]["generation"])) OR ($r[0]["generation"] == 0)) {
1747 foreach ($fields AS $field => $data)
1748 if ($contact[$field] != $r[0][$field]) {
1749 logger("Difference for contact ".$contact["url"]." in field '".$field."'. New value: '".$contact[$field]."', old value '".$r[0][$field]."'", LOGGER_DEBUG);
1753 if ($contact["generation"] < $r[0]["generation"]) {
1754 logger("Difference for contact ".$contact["url"]." in field 'generation'. new value: '".$contact["generation"]."', old value '".$r[0]["generation"]."'", LOGGER_DEBUG);
1760 logger("Update gcontact for ".$contact["url"], LOGGER_DEBUG);
1762 q("UPDATE `gcontact` SET `photo` = '%s', `name` = '%s', `nick` = '%s', `addr` = '%s', `network` = '%s',
1763 `birthday` = '%s', `gender` = '%s', `keywords` = '%s', `hide` = %d, `nsfw` = %d,
1764 `contact-type` = %d, `alias` = '%s', `notify` = '%s', `url` = '%s',
1765 `location` = '%s', `about` = '%s', `generation` = %d, `updated` = '%s',
1766 `server_url` = '%s', `connect` = '%s'
1767 WHERE `nurl` = '%s' AND (`generation` = 0 OR `generation` >= %d)",
1768 dbesc($contact["photo"]), dbesc($contact["name"]), dbesc($contact["nick"]),
1769 dbesc($contact["addr"]), dbesc($contact["network"]), dbesc($contact["birthday"]),
1770 dbesc($contact["gender"]), dbesc($contact["keywords"]), intval($contact["hide"]),
1771 intval($contact["nsfw"]), intval($contact["contact-type"]), dbesc($contact["alias"]),
1772 dbesc($contact["notify"]), dbesc($contact["url"]), dbesc($contact["location"]),
1773 dbesc($contact["about"]), intval($contact["generation"]), dbesc($contact["updated"]),
1774 dbesc($contact["server_url"]), dbesc($contact["connect"]),
1775 dbesc(normalise_link($contact["url"])), intval($contact["generation"]));
1778 // Now update the contact entry with the user id "0" as well.
1779 // This is used for the shadow copies of public items.
1780 $r = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = 0 ORDER BY `id` LIMIT 1",
1781 dbesc(normalise_link($contact["url"])));
1784 logger("Update shadow contact ".$r[0]["id"], LOGGER_DEBUG);
1786 update_contact_avatar($contact["photo"], 0, $r[0]["id"]);
1788 q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s',
1789 `network` = '%s', `bd` = '%s', `gender` = '%s',
1790 `keywords` = '%s', `alias` = '%s', `contact-type` = %d,
1791 `url` = '%s', `location` = '%s', `about` = '%s'
1793 dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["addr"]),
1794 dbesc($contact["network"]), dbesc($contact["birthday"]), dbesc($contact["gender"]),
1795 dbesc($contact["keywords"]), dbesc($contact["alias"]), intval($contact["contact-type"]),
1796 dbesc($contact["url"]), dbesc($contact["location"]), dbesc($contact["about"]),
1797 intval($r[0]["id"]));
1801 return $gcontact_id;
1805 * @brief Updates the gcontact entry from probe
1807 * @param str $url profile link
1809 function update_gcontact_from_probe($url) {
1810 $data = probe_url($url);
1812 if (in_array($data["network"], array(NETWORK_PHANTOM))) {
1813 logger("Invalid network for contact url ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
1817 update_gcontact($data);
1821 * @brief Update the gcontact entry for a given user id
1823 * @param int $uid User ID
1825 function update_gcontact_for_user($uid) {
1826 $r = q("SELECT `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
1827 `profile`.`name`, `profile`.`about`, `profile`.`gender`,
1828 `profile`.`pub_keywords`, `profile`.`dob`, `profile`.`photo`,
1829 `profile`.`net-publish`, `user`.`nickname`, `user`.`hidewall`,
1830 `contact`.`notify`, `contact`.`url`, `contact`.`addr`
1832 INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
1833 INNER JOIN `contact` ON `contact`.`uid` = `profile`.`uid`
1834 WHERE `profile`.`uid` = %d AND `profile`.`is-default` AND `contact`.`self`",
1837 $location = formatted_location(array("locality" => $r[0]["locality"], "region" => $r[0]["region"],
1838 "country-name" => $r[0]["country-name"]));
1840 // The "addr" field was added in 3.4.3 so it can be empty for older users
1841 if ($r[0]["addr"] != "")
1842 $addr = $r[0]["nickname"].'@'.str_replace(array("http://", "https://"), "", App::get_baseurl());
1844 $addr = $r[0]["addr"];
1846 $gcontact = array("name" => $r[0]["name"], "location" => $location, "about" => $r[0]["about"],
1847 "gender" => $r[0]["gender"], "keywords" => $r[0]["pub_keywords"],
1848 "birthday" => $r[0]["dob"], "photo" => $r[0]["photo"],
1849 "notify" => $r[0]["notify"], "url" => $r[0]["url"],
1850 "hide" => ($r[0]["hidewall"] OR !$r[0]["net-publish"]),
1851 "nick" => $r[0]["nickname"], "addr" => $addr,
1852 "connect" => $addr, "server_url" => App::get_baseurl(),
1853 "generation" => 1, "network" => NETWORK_DFRN);
1855 update_gcontact($gcontact);
1859 * @brief Fetches users of given GNU Social server
1861 * If the "Statistics" plugin is enabled (See http://gstools.org/ for details) we query user data with this.
1863 * @param str $server Server address
1865 function gs_fetch_users($server) {
1867 logger("Fetching users from GNU Social server ".$server, LOGGER_DEBUG);
1869 $url = $server."/main/statistics";
1871 $result = z_fetch_url($url);
1872 if (!$result["success"])
1875 $statistics = json_decode($result["body"]);
1877 if (is_object($statistics->config)) {
1878 if ($statistics->config->instance_with_ssl)
1879 $server = "https://";
1881 $server = "http://";
1883 $server .= $statistics->config->instance_address;
1885 $hostname = $statistics->config->instance_address;
1887 if ($statistics->instance_with_ssl)
1888 $server = "https://";
1890 $server = "http://";
1892 $server .= $statistics->instance_address;
1894 $hostname = $statistics->instance_address;
1897 if (is_object($statistics->users))
1898 foreach ($statistics->users AS $nick => $user) {
1899 $profile_url = $server."/".$user->nickname;
1901 $contact = array("url" => $profile_url,
1902 "name" => $user->fullname,
1903 "addr" => $user->nickname."@".$hostname,
1904 "nick" => $user->nickname,
1905 "about" => $user->bio,
1906 "network" => NETWORK_OSTATUS,
1907 "photo" => App::get_baseurl()."/images/person-175.jpg");
1908 get_gcontact_id($contact);
1913 * @brief Asking GNU Social server on a regular base for their user data
1916 function gs_discover() {
1918 $requery_days = intval(get_config("system", "poco_requery_days"));
1920 $last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
1922 $r = q("SELECT `nurl`, `url` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `network` = '%s' AND `last_poco_query` < '%s' ORDER BY RAND() LIMIT 5",
1923 dbesc(NETWORK_OSTATUS), dbesc($last_update));
1928 foreach ($r AS $server) {
1929 gs_fetch_users($server["url"]);
1930 q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));