3 * @file src/Protocol/PortableContact.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 namespace Friendica\Protocol;
15 use Friendica\Content\Text\HTML;
16 use Friendica\Core\Config;
17 use Friendica\Core\Logger;
18 use Friendica\Core\Protocol;
19 use Friendica\Core\Worker;
20 use Friendica\Database\DBA;
21 use Friendica\Model\GContact;
22 use Friendica\Model\Profile;
23 use Friendica\Network\Probe;
24 use Friendica\Util\DateTimeFormat;
25 use Friendica\Util\Network;
26 use Friendica\Util\Strings;
27 use Friendica\Util\XML;
32 * @brief Fetch POCO data
34 * @param integer $cid Contact ID
35 * @param integer $uid User ID
36 * @param integer $zcid Global Contact ID
37 * @param integer $url POCO address that should be polled
39 * Given a contact-id (minimum), load the PortableContacts friend list for that contact,
40 * and add the entries to the gcontact (Global Contact) table, or update existing entries
41 * if anything (name or photo) has changed.
42 * We use normalised urls for comparison which ignore http vs https and www.domain vs domain
44 * Once the global contact is stored add (if necessary) the contact linkage which associates
45 * the given uid, cid to the global contact entry. There can be many uid/cid combinations
46 * pointing to the same global contact id.
47 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
49 public static function loadWorker($cid, $uid = 0, $zcid = 0, $url = null)
51 // Call the function "load" via the worker
52 Worker::add(PRIORITY_LOW, "DiscoverPoCo", "load", (int)$cid, (int)$uid, (int)$zcid, $url);
56 * @brief Fetch POCO data from the worker
58 * @param integer $cid Contact ID
59 * @param integer $uid User ID
60 * @param integer $zcid Global Contact ID
61 * @param integer $url POCO address that should be polled
62 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
64 public static function load($cid, $uid, $zcid, $url)
70 $contact = DBA::selectFirst('contact', ['poco', 'uid'], ['id' => $cid]);
71 if (DBA::isResult($contact)) {
72 $url = $contact['poco'];
73 $uid = $contact['uid'];
85 $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');
87 Logger::log('load: ' . $url, Logger::DEBUG);
89 $fetchresult = Network::fetchUrlFull($url);
90 $s = $fetchresult->getBody();
92 Logger::log('load: returns ' . $s, Logger::DATA);
94 Logger::log('load: return code: ' . $fetchresult->getReturnCode(), Logger::DEBUG);
96 if (($fetchresult->getReturnCode() > 299) || (! $s)) {
100 $j = json_decode($s, true);
102 Logger::log('load: json: ' . print_r($j, true), Logger::DATA);
104 if (!isset($j['entry'])) {
109 foreach ($j['entry'] as $entry) {
116 $updated = DBA::NULL_DATETIME;
124 if (!empty($entry['displayName'])) {
125 $name = $entry['displayName'];
128 if (isset($entry['urls'])) {
129 foreach ($entry['urls'] as $url) {
130 if ($url['type'] == 'profile') {
131 $profile_url = $url['value'];
134 if ($url['type'] == 'webfinger') {
135 $connect_url = str_replace('acct:', '', $url['value']);
140 if (isset($entry['photos'])) {
141 foreach ($entry['photos'] as $photo) {
142 if ($photo['type'] == 'profile') {
143 $profile_photo = $photo['value'];
149 if (isset($entry['updated'])) {
150 $updated = date(DateTimeFormat::MYSQL, strtotime($entry['updated']));
153 if (isset($entry['network'])) {
154 $network = $entry['network'];
157 if (isset($entry['currentLocation'])) {
158 $location = $entry['currentLocation'];
161 if (isset($entry['aboutMe'])) {
162 $about = HTML::toBBCode($entry['aboutMe']);
165 if (isset($entry['gender'])) {
166 $gender = $entry['gender'];
169 if (isset($entry['generation']) && ($entry['generation'] > 0)) {
170 $generation = ++$entry['generation'];
173 if (isset($entry['tags'])) {
174 foreach ($entry['tags'] as $tag) {
175 $keywords = implode(", ", $tag);
179 if (isset($entry['contactType']) && ($entry['contactType'] >= 0)) {
180 $contact_type = $entry['contactType'];
183 $gcontact = ["url" => $profile_url,
185 "network" => $network,
186 "photo" => $profile_photo,
188 "location" => $location,
190 "keywords" => $keywords,
191 "connect" => $connect_url,
192 "updated" => $updated,
193 "contact-type" => $contact_type,
194 "generation" => $generation];
197 $gcontact = GContact::sanitize($gcontact);
198 $gcid = GContact::update($gcontact);
200 GContact::link($gcid, $uid, $cid, $zcid);
201 } catch (Exception $e) {
202 Logger::log($e->getMessage(), Logger::DEBUG);
205 Logger::log("load: loaded $total entries", Logger::DEBUG);
207 $condition = ["`cid` = ? AND `uid` = ? AND `zcid` = ? AND `updated` < UTC_TIMESTAMP - INTERVAL 2 DAY", $cid, $uid, $zcid];
208 DBA::delete('glink', $condition);
211 public static function reachable($profile, $server = "", $network = "", $force = false)
214 $server = self::detectServer($profile);
221 return self::checkServer($server, $network, $force);
224 public static function detectServer($profile)
226 // Try to detect the server path based upon some known standard paths
229 if ($server_url == "") {
230 $friendica = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $profile);
231 if ($friendica != $profile) {
232 $server_url = $friendica;
233 $network = Protocol::DFRN;
237 if ($server_url == "") {
238 $diaspora = preg_replace("=(https?://)(.*)/u/(.*)=ism", "$1$2", $profile);
239 if ($diaspora != $profile) {
240 $server_url = $diaspora;
241 $network = Protocol::DIASPORA;
245 if ($server_url == "") {
246 $red = preg_replace("=(https?://)(.*)/channel/(.*)=ism", "$1$2", $profile);
247 if ($red != $profile) {
249 $network = Protocol::DIASPORA;
254 if ($server_url == "") {
255 $mastodon = preg_replace("=(https?://)(.*)/users/(.*)=ism", "$1$2", $profile);
256 if ($mastodon != $profile) {
257 $server_url = $mastodon;
258 $network = Protocol::OSTATUS;
262 // Numeric OStatus variant
263 if ($server_url == "") {
264 $ostatus = preg_replace("=(https?://)(.*)/user/(.*)=ism", "$1$2", $profile);
265 if ($ostatus != $profile) {
266 $server_url = $ostatus;
267 $network = Protocol::OSTATUS;
272 if ($server_url == "") {
273 $base = preg_replace("=(https?://)(.*?)/(.*)=ism", "$1$2", $profile);
274 if ($base != $profile) {
276 $network = Protocol::PHANTOM;
280 if ($server_url == "") {
285 "SELECT `id` FROM `gserver` WHERE `nurl` = '%s' AND `last_contact` > `last_failure`",
286 DBA::escape(Strings::normaliseLink($server_url))
289 if (DBA::isResult($r)) {
293 // Fetch the host-meta to check if this really is a server
294 $curlResult = Network::curl($server_url."/.well-known/host-meta");
295 if (!$curlResult->isSuccess()) {
302 public static function alternateOStatusUrl($url)
304 return(preg_match("=https?://.+/user/\d+=ism", $url, $matches));
307 public static function lastUpdated($profile, $force = false)
310 "SELECT * FROM `gcontact` WHERE `nurl` = '%s'",
311 DBA::escape(Strings::normaliseLink($profile))
314 if (!DBA::isResult($gcontacts)) {
318 $contact = ["url" => $profile];
320 if ($gcontacts[0]["created"] <= DBA::NULL_DATETIME) {
321 $contact['created'] = DateTimeFormat::utcNow();
326 $server_url = Strings::normaliseLink(self::detectServer($profile));
329 if (($server_url == '') && ($gcontacts[0]["server_url"] != "")) {
330 $server_url = $gcontacts[0]["server_url"];
333 if (!$force && (($server_url == '') || ($gcontacts[0]["server_url"] == $gcontacts[0]["nurl"]))) {
334 $server_url = Strings::normaliseLink(self::detectServer($profile));
337 if (!in_array($gcontacts[0]["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::FEED, Protocol::OSTATUS, ""])) {
338 Logger::log("Profile ".$profile.": Network type ".$gcontacts[0]["network"]." can't be checked", Logger::DEBUG);
342 if ($server_url != "") {
343 if (!self::checkServer($server_url, $gcontacts[0]["network"], $force)) {
345 $fields = ['last_failure' => DateTimeFormat::utcNow()];
346 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($profile)]);
349 Logger::log("Profile ".$profile.": Server ".$server_url." wasn't reachable.", Logger::DEBUG);
352 $contact['server_url'] = $server_url;
355 if (in_array($gcontacts[0]["network"], ["", Protocol::FEED])) {
357 "SELECT `network` FROM `gserver` WHERE `nurl` = '%s' AND `network` != ''",
358 DBA::escape(Strings::normaliseLink($server_url))
362 $contact['network'] = $server[0]["network"];
368 // noscrape is really fast so we don't cache the call.
369 if (($server_url != "") && ($gcontacts[0]["nick"] != "")) {
370 // Use noscrape if possible
371 $server = q("SELECT `noscrape`, `network` FROM `gserver` WHERE `nurl` = '%s' AND `noscrape` != ''", DBA::escape(Strings::normaliseLink($server_url)));
374 $curlResult = Network::curl($server[0]["noscrape"]."/".$gcontacts[0]["nick"]);
376 if ($curlResult->isSuccess() && ($curlResult->getBody() != "")) {
377 $noscrape = json_decode($curlResult->getBody(), true);
379 if (is_array($noscrape)) {
380 $contact["network"] = $server[0]["network"];
382 if (isset($noscrape["fn"])) {
383 $contact["name"] = $noscrape["fn"];
385 if (isset($noscrape["comm"])) {
386 $contact["community"] = $noscrape["comm"];
388 if (isset($noscrape["tags"])) {
389 $keywords = implode(" ", $noscrape["tags"]);
390 if ($keywords != "") {
391 $contact["keywords"] = $keywords;
395 $location = Profile::formatLocation($noscrape);
397 $contact["location"] = $location;
399 if (isset($noscrape["dfrn-notify"])) {
400 $contact["notify"] = $noscrape["dfrn-notify"];
402 // Remove all fields that are not present in the gcontact table
403 unset($noscrape["fn"]);
404 unset($noscrape["key"]);
405 unset($noscrape["homepage"]);
406 unset($noscrape["comm"]);
407 unset($noscrape["tags"]);
408 unset($noscrape["locality"]);
409 unset($noscrape["region"]);
410 unset($noscrape["country-name"]);
411 unset($noscrape["contacts"]);
412 unset($noscrape["dfrn-request"]);
413 unset($noscrape["dfrn-confirm"]);
414 unset($noscrape["dfrn-notify"]);
415 unset($noscrape["dfrn-poll"]);
417 // Set the date of the last contact
418 /// @todo By now the function "update_gcontact" doesn't work with this field
419 //$contact["last_contact"] = DateTimeFormat::utcNow();
421 $contact = array_merge($contact, $noscrape);
423 GContact::update($contact);
425 if (!empty($noscrape["updated"])) {
426 $fields = ['last_contact' => DateTimeFormat::utcNow()];
427 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($profile)]);
429 Logger::log("Profile ".$profile." was last updated at ".$noscrape["updated"]." (noscrape)", Logger::DEBUG);
431 return $noscrape["updated"];
438 // If we only can poll the feed, then we only do this once a while
439 if (!$force && !self::updateNeeded($gcontacts[0]["created"], $gcontacts[0]["updated"], $gcontacts[0]["last_failure"], $gcontacts[0]["last_contact"])) {
440 Logger::log("Profile ".$profile." was last updated at ".$gcontacts[0]["updated"]." (cached)", Logger::DEBUG);
442 GContact::update($contact);
443 return $gcontacts[0]["updated"];
446 $data = Probe::uri($profile);
448 // Is the profile link the alternate OStatus link notation? (http://domain.tld/user/4711)
449 // Then check the other link and delete this one
450 if (($data["network"] == Protocol::OSTATUS) && self::alternateOStatusUrl($profile)
451 && (Strings::normaliseLink($profile) == Strings::normaliseLink($data["alias"]))
452 && (Strings::normaliseLink($profile) != Strings::normaliseLink($data["url"]))
454 // Delete the old entry
455 DBA::delete('gcontact', ['nurl' => Strings::normaliseLink($profile)]);
457 $gcontact = array_merge($gcontacts[0], $data);
459 $gcontact["server_url"] = $data["baseurl"];
462 $gcontact = GContact::sanitize($gcontact);
463 GContact::update($gcontact);
465 self::lastUpdated($data["url"], $force);
466 } catch (Exception $e) {
467 Logger::log($e->getMessage(), Logger::DEBUG);
470 Logger::log("Profile ".$profile." was deleted", Logger::DEBUG);
474 if (($data["poll"] == "") || (in_array($data["network"], [Protocol::FEED, Protocol::PHANTOM]))) {
475 $fields = ['last_failure' => DateTimeFormat::utcNow()];
476 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($profile)]);
478 Logger::log("Profile ".$profile." wasn't reachable (profile)", Logger::DEBUG);
482 $contact = array_merge($contact, $data);
484 $contact["server_url"] = $data["baseurl"];
486 GContact::update($contact);
488 $curlResult = Network::curl($data["poll"]);
490 if (!$curlResult->isSuccess()) {
491 $fields = ['last_failure' => DateTimeFormat::utcNow()];
492 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($profile)]);
494 Logger::log("Profile ".$profile." wasn't reachable (no feed)", Logger::DEBUG);
498 $doc = new DOMDocument();
499 /// @TODO Avoid error supression here
500 @$doc->loadXML($curlResult->getBody());
502 $xpath = new DOMXPath($doc);
503 $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
505 $entries = $xpath->query('/atom:feed/atom:entry');
509 foreach ($entries as $entry) {
510 $published = DateTimeFormat::utc($xpath->query('atom:published/text()', $entry)->item(0)->nodeValue);
511 $updated = DateTimeFormat::utc($xpath->query('atom:updated/text()' , $entry)->item(0)->nodeValue);
513 if ($last_updated < $published) {
514 $last_updated = $published;
517 if ($last_updated < $updated) {
518 $last_updated = $updated;
522 // Maybe there aren't any entries. Then check if it is a valid feed
523 if ($last_updated == "") {
524 if ($xpath->query('/atom:feed')->length > 0) {
525 $last_updated = DBA::NULL_DATETIME;
529 $fields = ['last_contact' => DateTimeFormat::utcNow()];
531 if (!empty($last_updated)) {
532 $fields['updated'] = $last_updated;
535 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($profile)]);
537 if (($gcontacts[0]["generation"] == 0)) {
538 $fields = ['generation' => 9];
539 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($profile)]);
542 Logger::log("Profile ".$profile." was last updated at ".$last_updated, Logger::DEBUG);
544 return $last_updated;
547 public static function updateNeeded($created, $updated, $last_failure, $last_contact)
549 $now = strtotime(DateTimeFormat::utcNow());
551 if ($updated > $last_contact) {
552 $contact_time = strtotime($updated);
554 $contact_time = strtotime($last_contact);
557 $failure_time = strtotime($last_failure);
558 $created_time = strtotime($created);
560 // If there is no "created" time then use the current time
561 if ($created_time <= 0) {
562 $created_time = $now;
565 // If the last contact was less than 24 hours then don't update
566 if (($now - $contact_time) < (60 * 60 * 24)) {
570 // If the last failure was less than 24 hours then don't update
571 if (($now - $failure_time) < (60 * 60 * 24)) {
575 // If the last contact was less than a week ago and the last failure is older than a week then don't update
576 //if ((($now - $contact_time) < (60 * 60 * 24 * 7)) && ($contact_time > $failure_time))
579 // If the last contact time was more than a week ago and the contact was created more than a week ago, then only try once a week
580 if ((($now - $contact_time) > (60 * 60 * 24 * 7)) && (($now - $created_time) > (60 * 60 * 24 * 7)) && (($now - $failure_time) < (60 * 60 * 24 * 7))) {
584 // If the last contact time was more than a month ago and the contact was created more than a month ago, then only try once a month
585 if ((($now - $contact_time) > (60 * 60 * 24 * 30)) && (($now - $created_time) > (60 * 60 * 24 * 30)) && (($now - $failure_time) < (60 * 60 * 24 * 30))) {
592 /// @TODO Maybe move this out to an utilities class?
593 private static function toBoolean($val)
595 if (($val == "true") || ($val == 1)) {
597 } elseif (($val == "false") || ($val == 0)) {
605 * @brief Detect server type (Hubzilla or Friendica) via the poco data
607 * @param array $data POCO data
608 * @return array Server data
610 private static function detectPocoData(array $data)
614 if (!isset($data['entry'])) {
618 if (count($data['entry']) == 0) {
622 if (!isset($data['entry'][0]['urls'])) {
626 if (count($data['entry'][0]['urls']) == 0) {
630 foreach ($data['entry'][0]['urls'] as $url) {
631 if ($url['type'] == 'zot') {
633 $server["platform"] = 'Hubzilla';
634 $server["network"] = Protocol::DIASPORA;
642 * @brief Detect server type by using the nodeinfo data
644 * @param string $server_url address of the server
645 * @return array Server data
646 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
648 private static function fetchNodeinfo($server_url)
650 $curlResult = Network::curl($server_url."/.well-known/nodeinfo");
651 if (!$curlResult->isSuccess()) {
655 $nodeinfo = json_decode($curlResult->getBody(), true);
657 if (!is_array($nodeinfo) || !isset($nodeinfo['links'])) {
664 foreach ($nodeinfo['links'] as $link) {
665 if (!is_array($link) || empty($link['rel'])) {
666 Logger::log('Invalid nodeinfo format for ' . $server_url, Logger::DEBUG);
669 if ($link['rel'] == 'http://nodeinfo.diaspora.software/ns/schema/1.0') {
670 $nodeinfo1_url = $link['href'];
671 } elseif ($link['rel'] == 'http://nodeinfo.diaspora.software/ns/schema/2.0') {
672 $nodeinfo2_url = $link['href'];
676 if ($nodeinfo1_url . $nodeinfo2_url == '') {
682 // When the nodeinfo url isn't on the same host, then there is obviously something wrong
683 if (!empty($nodeinfo2_url) && (parse_url($server_url, PHP_URL_HOST) == parse_url($nodeinfo2_url, PHP_URL_HOST))) {
684 $server = self::parseNodeinfo2($nodeinfo2_url);
687 // When the nodeinfo url isn't on the same host, then there is obviously something wrong
688 if (empty($server) && !empty($nodeinfo1_url) && (parse_url($server_url, PHP_URL_HOST) == parse_url($nodeinfo1_url, PHP_URL_HOST))) {
689 $server = self::parseNodeinfo1($nodeinfo1_url);
696 * @brief Parses Nodeinfo 1
698 * @param string $nodeinfo_url address of the nodeinfo path
699 * @return array Server data
700 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
702 private static function parseNodeinfo1($nodeinfo_url)
704 $curlResult = Network::curl($nodeinfo_url);
706 if (!$curlResult->isSuccess()) {
710 $nodeinfo = json_decode($curlResult->getBody(), true);
712 if (!is_array($nodeinfo)) {
718 $server['register_policy'] = REGISTER_CLOSED;
720 if (is_bool($nodeinfo['openRegistrations']) && $nodeinfo['openRegistrations']) {
721 $server['register_policy'] = REGISTER_OPEN;
724 if (is_array($nodeinfo['software'])) {
725 if (isset($nodeinfo['software']['name'])) {
726 $server['platform'] = $nodeinfo['software']['name'];
729 if (isset($nodeinfo['software']['version'])) {
730 $server['version'] = $nodeinfo['software']['version'];
731 // Version numbers on Nodeinfo are presented with additional info, e.g.:
732 // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
733 $server['version'] = preg_replace("=(.+)-(.{4,})=ism", "$1", $server['version']);
737 if (isset($nodeinfo['metadata']['nodeName'])) {
738 $server['site_name'] = $nodeinfo['metadata']['nodeName'];
741 if (!empty($nodeinfo['usage']['users']['total'])) {
742 $server['registered-users'] = $nodeinfo['usage']['users']['total'];
749 if (is_array($nodeinfo['protocols']['inbound'])) {
750 foreach ($nodeinfo['protocols']['inbound'] as $inbound) {
751 if ($inbound == 'diaspora') {
754 if ($inbound == 'friendica') {
757 if ($inbound == 'gnusocial') {
764 $server['network'] = Protocol::OSTATUS;
767 $server['network'] = Protocol::DIASPORA;
770 $server['network'] = Protocol::DFRN;
781 * @brief Parses Nodeinfo 2
783 * @param string $nodeinfo_url address of the nodeinfo path
784 * @return array Server data
785 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
787 private static function parseNodeinfo2($nodeinfo_url)
789 $curlResult = Network::curl($nodeinfo_url);
790 if (!$curlResult->isSuccess()) {
794 $nodeinfo = json_decode($curlResult->getBody(), true);
796 if (!is_array($nodeinfo)) {
802 $server['register_policy'] = REGISTER_CLOSED;
804 if (is_bool($nodeinfo['openRegistrations']) && $nodeinfo['openRegistrations']) {
805 $server['register_policy'] = REGISTER_OPEN;
808 if (is_array($nodeinfo['software'])) {
809 if (isset($nodeinfo['software']['name'])) {
810 $server['platform'] = $nodeinfo['software']['name'];
813 if (isset($nodeinfo['software']['version'])) {
814 $server['version'] = $nodeinfo['software']['version'];
815 // Version numbers on Nodeinfo are presented with additional info, e.g.:
816 // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
817 $server['version'] = preg_replace("=(.+)-(.{4,})=ism", "$1", $server['version']);
821 if (isset($nodeinfo['metadata']['nodeName'])) {
822 $server['site_name'] = $nodeinfo['metadata']['nodeName'];
825 if (!empty($nodeinfo['usage']['users']['total'])) {
826 $server['registered-users'] = $nodeinfo['usage']['users']['total'];
833 if (!empty($nodeinfo['protocols'])) {
834 foreach ($nodeinfo['protocols'] as $protocol) {
835 if ($protocol == 'diaspora') {
837 } elseif ($protocol == 'friendica') {
839 } elseif ($protocol == 'gnusocial') {
846 $server['network'] = Protocol::OSTATUS;
847 } elseif ($diaspora) {
848 $server['network'] = Protocol::DIASPORA;
849 } elseif ($friendica) {
850 $server['network'] = Protocol::DFRN;
853 if (empty($server)) {
861 * @brief Detect server type (Hubzilla or Friendica) via the front page body
863 * @param string $body Front page of the server
864 * @return array Server data
866 private static function detectServerType($body)
870 $doc = new DOMDocument();
871 /// @TODO Acoid supressing error
872 @$doc->loadHTML($body);
873 $xpath = new DOMXPath($doc);
875 $list = $xpath->query("//meta[@name]");
877 foreach ($list as $node) {
879 if ($node->attributes->length) {
880 foreach ($node->attributes as $attribute) {
881 $attr[$attribute->name] = $attribute->value;
884 if ($attr['name'] == 'generator') {
885 $version_part = explode(" ", $attr['content']);
886 if (count($version_part) == 2) {
887 if (in_array($version_part[0], ["Friendika", "Friendica"])) {
889 $server["platform"] = $version_part[0];
890 $server["version"] = $version_part[1];
891 $server["network"] = Protocol::DFRN;
898 $list = $xpath->query("//meta[@property]");
900 foreach ($list as $node) {
902 if ($node->attributes->length) {
903 foreach ($node->attributes as $attribute) {
904 $attr[$attribute->name] = $attribute->value;
907 if ($attr['property'] == 'generator' && in_array($attr['content'], ["hubzilla", "BlaBlaNet"])) {
909 $server["platform"] = $attr['content'];
910 $server["version"] = "";
911 $server["network"] = Protocol::DIASPORA;
920 $server["site_name"] = XML::getFirstNodeValue($xpath, '//head/title/text()');
925 public static function checkServer($server_url, $network = "", $force = false)
927 // Unify the server address
928 $server_url = trim($server_url, "/");
929 $server_url = str_replace("/index.php", "", $server_url);
931 if ($server_url == "") {
935 $gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($server_url)]);
936 if (DBA::isResult($gserver)) {
937 if ($gserver["created"] <= DBA::NULL_DATETIME) {
938 $fields = ['created' => DateTimeFormat::utcNow()];
939 $condition = ['nurl' => Strings::normaliseLink($server_url)];
940 DBA::update('gserver', $fields, $condition);
942 $poco = $gserver["poco"];
943 $noscrape = $gserver["noscrape"];
945 if ($network == "") {
946 $network = $gserver["network"];
949 $last_contact = $gserver["last_contact"];
950 $last_failure = $gserver["last_failure"];
951 $version = $gserver["version"];
952 $platform = $gserver["platform"];
953 $site_name = $gserver["site_name"];
954 $info = $gserver["info"];
955 $register_policy = $gserver["register_policy"];
956 $registered_users = $gserver["registered-users"];
958 // See discussion under https://forum.friendi.ca/display/0b6b25a8135aabc37a5a0f5684081633
959 // It can happen that a zero date is in the database, but storing it again is forbidden.
960 if ($last_contact < DBA::NULL_DATETIME) {
961 $last_contact = DBA::NULL_DATETIME;
964 if ($last_failure < DBA::NULL_DATETIME) {
965 $last_failure = DBA::NULL_DATETIME;
968 if (!$force && !self::updateNeeded($gserver["created"], "", $last_failure, $last_contact)) {
969 Logger::log("Use cached data for server ".$server_url, Logger::DEBUG);
970 return ($last_contact >= $last_failure);
979 $register_policy = -1;
980 $registered_users = 0;
982 $last_contact = DBA::NULL_DATETIME;
983 $last_failure = DBA::NULL_DATETIME;
985 Logger::log("Server ".$server_url." is outdated or unknown. Start discovery. Force: ".$force." Created: ".$gserver["created"]." Failure: ".$last_failure." Contact: ".$last_contact, Logger::DEBUG);
988 $possible_failure = false;
989 $orig_last_failure = $last_failure;
990 $orig_last_contact = $last_contact;
992 // Mastodon uses the "@" for user profiles.
993 // But this can be misunderstood.
994 if (parse_url($server_url, PHP_URL_USER) != '') {
995 DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($server_url)]);
999 // Check if the page is accessible via SSL.
1000 $orig_server_url = $server_url;
1001 $server_url = str_replace("http://", "https://", $server_url);
1003 // We set the timeout to 20 seconds since this operation should be done in no time if the server was vital
1004 $curlResult = Network::curl($server_url."/.well-known/host-meta", false, $redirects, ['timeout' => 20]);
1006 // Quit if there is a timeout.
1007 // But we want to make sure to only quit if we are mostly sure that this server url fits.
1008 if (DBA::isResult($gserver) && ($orig_server_url == $server_url) &&
1009 ($curlResult->isTimeout())) {
1010 Logger::log("Connection to server ".$server_url." timed out.", Logger::DEBUG);
1011 DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($server_url)]);
1015 // Maybe the page is unencrypted only?
1016 $xmlobj = @simplexml_load_string($curlResult->getBody(), 'SimpleXMLElement', 0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
1017 if (!$curlResult->isSuccess() || ($curlResult->getBody() == "") || empty($xmlobj) || !is_object($xmlobj)) {
1018 $server_url = str_replace("https://", "http://", $server_url);
1020 // We set the timeout to 20 seconds since this operation should be done in no time if the server was vital
1021 $curlResult = Network::curl($server_url."/.well-known/host-meta", false, $redirects, ['timeout' => 20]);
1023 // Quit if there is a timeout
1024 if ($curlResult->isTimeout()) {
1025 Logger::log("Connection to server " . $server_url . " timed out.", Logger::DEBUG);
1026 DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($server_url)]);
1030 $xmlobj = @simplexml_load_string($curlResult->getBody(), 'SimpleXMLElement', 0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
1033 if (!$curlResult->isSuccess() || ($curlResult->getBody() == "") || empty($xmlobj) || !is_object($xmlobj)) {
1034 // Workaround for bad configured servers (known nginx problem)
1035 if (!empty($curlResult->getInfo()) && !in_array($curlResult->getInfo()["http_code"], ["403", "404"])) {
1039 $possible_failure = true;
1042 // If the server has no possible failure we reset the cached data
1043 if (!$possible_failure) {
1048 $register_policy = -1;
1052 // This will be too low, but better than no value at all.
1053 $registered_users = DBA::count('gcontact', ['server_url' => Strings::normaliseLink($server_url)]);
1058 $curlResult = Network::curl($server_url."/poco");
1060 if ($curlResult->isSuccess()) {
1061 $data = json_decode($curlResult->getBody(), true);
1063 if (isset($data['totalResults'])) {
1064 $registered_users = $data['totalResults'];
1065 $poco = $server_url . "/poco";
1066 $server = self::detectPocoData($data);
1068 if (!empty($server)) {
1069 $platform = $server['platform'];
1070 $network = $server['network'];
1077 * There are servers out there who don't return 404 on a failure
1078 * We have to be sure that don't misunderstand this
1080 if (is_null($data)) {
1089 // Test for Diaspora, Hubzilla, Mastodon or older Friendica servers
1090 $curlResult = Network::curl($server_url);
1092 if (!$curlResult->isSuccess() || ($curlResult->getBody() == "")) {
1095 $server = self::detectServerType($curlResult->getBody());
1097 if (!empty($server)) {
1098 $platform = $server['platform'];
1099 $network = $server['network'];
1100 $version = $server['version'];
1101 $site_name = $server['site_name'];
1104 $lines = explode("\n", $curlResult->getHeader());
1106 if (count($lines)) {
1107 foreach ($lines as $line) {
1108 $line = trim($line);
1110 if (stristr($line, 'X-Diaspora-Version:')) {
1111 $platform = "Diaspora";
1112 $version = trim(str_replace("X-Diaspora-Version:", "", $line));
1113 $version = trim(str_replace("x-diaspora-version:", "", $version));
1114 $network = Protocol::DIASPORA;
1115 $versionparts = explode("-", $version);
1116 $version = $versionparts[0];
1119 if (stristr($line, 'Server: Mastodon')) {
1120 $platform = "Mastodon";
1121 $network = Protocol::OSTATUS;
1128 if (!$failure && ($poco == "")) {
1129 // Test for Statusnet
1130 // Will also return data for Friendica and GNU Social - but it will be overwritten later
1131 // The "not implemented" is a special treatment for really, really old Friendica versions
1132 $curlResult = Network::curl($server_url."/api/statusnet/version.json");
1134 if ($curlResult->isSuccess() && ($curlResult->getBody() != '{"error":"not implemented"}') &&
1135 ($curlResult->getBody() != '') && (strlen($curlResult->getBody()) < 30)) {
1136 $platform = "StatusNet";
1137 // Remove junk that some GNU Social servers return
1138 $version = str_replace(chr(239).chr(187).chr(191), "", $curlResult->getBody());
1139 $version = trim($version, '"');
1140 $network = Protocol::OSTATUS;
1143 // Test for GNU Social
1144 $curlResult = Network::curl($server_url."/api/gnusocial/version.json");
1146 if ($curlResult->isSuccess() && ($curlResult->getBody() != '{"error":"not implemented"}') &&
1147 ($curlResult->getBody() != '') && (strlen($curlResult->getBody()) < 30)) {
1148 $platform = "GNU Social";
1149 // Remove junk that some GNU Social servers return
1150 $version = str_replace(chr(239) . chr(187) . chr(191), "", $curlResult->getBody());
1151 $version = trim($version, '"');
1152 $network = Protocol::OSTATUS;
1155 // Test for Mastodon
1156 $orig_version = $version;
1157 $curlResult = Network::curl($server_url . "/api/v1/instance");
1159 if ($curlResult->isSuccess() && ($curlResult->getBody() != '')) {
1160 $data = json_decode($curlResult->getBody(), true);
1162 if (isset($data['version'])) {
1163 $platform = "Mastodon";
1164 $version = defaults($data, 'version', '');
1165 $site_name = defaults($data, 'title', '');
1166 $info = defaults($data, 'description', '');
1167 $network = Protocol::OSTATUS;
1170 if (!empty($data['stats']['user_count'])) {
1171 $registered_users = $data['stats']['user_count'];
1175 if (strstr($orig_version . $version, 'Pleroma')) {
1176 $platform = 'Pleroma';
1177 $version = trim(str_replace('Pleroma', '', $version));
1182 // Test for Hubzilla and Red
1183 $curlResult = Network::curl($server_url . "/siteinfo.json");
1185 if ($curlResult->isSuccess()) {
1186 $data = json_decode($curlResult->getBody(), true);
1188 if (isset($data['url'])) {
1189 $platform = $data['platform'];
1190 $version = $data['version'];
1191 $network = Protocol::DIASPORA;
1194 if (!empty($data['site_name'])) {
1195 $site_name = $data['site_name'];
1198 if (!empty($data['channels_total'])) {
1199 $registered_users = $data['channels_total'];
1202 if (!empty($data['register_policy'])) {
1203 switch ($data['register_policy']) {
1204 case "REGISTER_OPEN":
1205 $register_policy = REGISTER_OPEN;
1208 case "REGISTER_APPROVE":
1209 $register_policy = REGISTER_APPROVE;
1212 case "REGISTER_CLOSED":
1214 $register_policy = REGISTER_CLOSED;
1219 // Test for Hubzilla, Redmatrix or Friendica
1220 $curlResult = Network::curl($server_url."/api/statusnet/config.json");
1222 if ($curlResult->isSuccess()) {
1223 $data = json_decode($curlResult->getBody(), true);
1225 if (isset($data['site']['server'])) {
1226 if (isset($data['site']['platform'])) {
1227 $platform = $data['site']['platform']['PLATFORM_NAME'];
1228 $version = $data['site']['platform']['STD_VERSION'];
1229 $network = Protocol::DIASPORA;
1232 if (isset($data['site']['BlaBlaNet'])) {
1233 $platform = $data['site']['BlaBlaNet']['PLATFORM_NAME'];
1234 $version = $data['site']['BlaBlaNet']['STD_VERSION'];
1235 $network = Protocol::DIASPORA;
1238 if (isset($data['site']['hubzilla'])) {
1239 $platform = $data['site']['hubzilla']['PLATFORM_NAME'];
1240 $version = $data['site']['hubzilla']['RED_VERSION'];
1241 $network = Protocol::DIASPORA;
1244 if (isset($data['site']['redmatrix'])) {
1245 if (isset($data['site']['redmatrix']['PLATFORM_NAME'])) {
1246 $platform = $data['site']['redmatrix']['PLATFORM_NAME'];
1247 } elseif (isset($data['site']['redmatrix']['RED_PLATFORM'])) {
1248 $platform = $data['site']['redmatrix']['RED_PLATFORM'];
1251 $version = $data['site']['redmatrix']['RED_VERSION'];
1252 $network = Protocol::DIASPORA;
1255 if (isset($data['site']['friendica'])) {
1256 $platform = $data['site']['friendica']['FRIENDICA_PLATFORM'];
1257 $version = $data['site']['friendica']['FRIENDICA_VERSION'];
1258 $network = Protocol::DFRN;
1261 $site_name = $data['site']['name'];
1264 $inviteonly = false;
1267 if (!empty($data['site']['closed'])) {
1268 $closed = self::toBoolean($data['site']['closed']);
1271 if (!empty($data['site']['private'])) {
1272 $private = self::toBoolean($data['site']['private']);
1275 if (!empty($data['site']['inviteonly'])) {
1276 $inviteonly = self::toBoolean($data['site']['inviteonly']);
1279 if (!$closed && !$private and $inviteonly) {
1280 $register_policy = REGISTER_APPROVE;
1281 } elseif (!$closed && !$private) {
1282 $register_policy = REGISTER_OPEN;
1284 $register_policy = REGISTER_CLOSED;
1291 // Query statistics.json. Optional package for Diaspora, Friendica and Redmatrix
1293 $curlResult = Network::curl($server_url . "/statistics.json");
1295 if ($curlResult->isSuccess()) {
1296 $data = json_decode($curlResult->getBody(), true);
1298 if (isset($data['version'])) {
1299 $version = $data['version'];
1300 // Version numbers on statistics.json are presented with additional info, e.g.:
1301 // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
1302 $version = preg_replace("=(.+)-(.{4,})=ism", "$1", $version);
1305 if (!empty($data['name'])) {
1306 $site_name = $data['name'];
1309 if (!empty($data['network'])) {
1310 $platform = $data['network'];
1313 if ($platform == "Diaspora") {
1314 $network = Protocol::DIASPORA;
1317 if (!empty($data['registrations_open']) && $data['registrations_open']) {
1318 $register_policy = REGISTER_OPEN;
1320 $register_policy = REGISTER_CLOSED;
1325 // Query nodeinfo. Working for (at least) Diaspora and Friendica.
1327 $server = self::fetchNodeinfo($server_url);
1329 if (!empty($server)) {
1330 $register_policy = $server['register_policy'];
1332 if (isset($server['platform'])) {
1333 $platform = $server['platform'];
1336 if (isset($server['network'])) {
1337 $network = $server['network'];
1340 if (isset($server['version'])) {
1341 $version = $server['version'];
1344 if (isset($server['site_name'])) {
1345 $site_name = $server['site_name'];
1348 if (isset($server['registered-users'])) {
1349 $registered_users = $server['registered-users'];
1354 // Check for noscrape
1355 // Friendica servers could be detected as OStatus servers
1356 if (!$failure && in_array($network, [Protocol::DFRN, Protocol::OSTATUS])) {
1357 $curlResult = Network::curl($server_url . "/friendica/json");
1359 if (!$curlResult->isSuccess()) {
1360 $curlResult = Network::curl($server_url . "/friendika/json");
1363 if ($curlResult->isSuccess()) {
1364 $data = json_decode($curlResult->getBody(), true);
1366 if (isset($data['version'])) {
1367 $network = Protocol::DFRN;
1369 if (!empty($data['no_scrape_url'])) {
1370 $noscrape = $data['no_scrape_url'];
1373 $version = $data['version'];
1375 if (!empty($data['site_name'])) {
1376 $site_name = $data['site_name'];
1379 $info = defaults($data, 'info', '');
1380 $register_policy = defaults($data, 'register_policy', REGISTER_CLOSED);
1381 if (in_array($register_policy, ['REGISTER_CLOSED', 'REGISTER_APPROVE', 'REGISTER_OPEN'])) {
1382 $register_policy = constant($register_policy);
1384 Logger::log("Register policy '$register_policy' from $server_url is invalid.");
1385 $register_policy = REGISTER_CLOSED; // set a default value
1387 $platform = defaults($data, 'platform', '');
1392 // Every server has got at least an admin account
1393 if (!$failure && ($registered_users == 0)) {
1394 $registered_users = 1;
1397 if ($possible_failure && !$failure) {
1402 $last_contact = $orig_last_contact;
1403 $last_failure = DateTimeFormat::utcNow();
1405 $last_contact = DateTimeFormat::utcNow();
1406 $last_failure = $orig_last_failure;
1409 if (($last_contact <= $last_failure) && !$failure) {
1410 Logger::log("Server ".$server_url." seems to be alive, but last contact wasn't set - could be a bug", Logger::DEBUG);
1411 } elseif (($last_contact >= $last_failure) && $failure) {
1412 Logger::log("Server ".$server_url." seems to be dead, but last failure wasn't set - could be a bug", Logger::DEBUG);
1415 // Check again if the server exists
1416 $found = DBA::exists('gserver', ['nurl' => Strings::normaliseLink($server_url)]);
1418 $version = strip_tags($version);
1419 $site_name = strip_tags($site_name);
1420 $info = strip_tags($info);
1421 $platform = strip_tags($platform);
1423 $fields = ['url' => $server_url, 'version' => $version,
1424 'site_name' => $site_name, 'info' => $info, 'register_policy' => $register_policy,
1425 'poco' => $poco, 'noscrape' => $noscrape, 'network' => $network,
1426 'platform' => $platform, 'registered-users' => $registered_users,
1427 'last_contact' => $last_contact, 'last_failure' => $last_failure];
1430 DBA::update('gserver', $fields, ['nurl' => Strings::normaliseLink($server_url)]);
1431 } elseif (!$failure) {
1432 $fields['nurl'] = Strings::normaliseLink($server_url);
1433 $fields['created'] = DateTimeFormat::utcNow();
1434 DBA::insert('gserver', $fields);
1437 if (!$failure && in_array($fields['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1438 self::discoverRelay($server_url);
1441 Logger::log("End discovery for server " . $server_url, Logger::DEBUG);
1447 * @brief Fetch relay data from a given server url
1449 * @param string $server_url address of the server
1450 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1452 private static function discoverRelay($server_url)
1454 Logger::log("Discover relay data for server " . $server_url, Logger::DEBUG);
1456 $curlResult = Network::curl($server_url . "/.well-known/x-social-relay");
1458 if (!$curlResult->isSuccess()) {
1462 $data = json_decode($curlResult->getBody(), true);
1464 if (!is_array($data)) {
1468 $gserver = DBA::selectFirst('gserver', ['id', 'relay-subscribe', 'relay-scope'], ['nurl' => Strings::normaliseLink($server_url)]);
1470 if (!DBA::isResult($gserver)) {
1474 if (($gserver['relay-subscribe'] != $data['subscribe']) || ($gserver['relay-scope'] != $data['scope'])) {
1475 $fields = ['relay-subscribe' => $data['subscribe'], 'relay-scope' => $data['scope']];
1476 DBA::update('gserver', $fields, ['id' => $gserver['id']]);
1479 DBA::delete('gserver-tag', ['gserver-id' => $gserver['id']]);
1481 if ($data['scope'] == 'tags') {
1484 foreach ($data['tags'] as $tag) {
1485 $tag = mb_strtolower($tag);
1486 if (strlen($tag) < 100) {
1491 foreach ($tags as $tag) {
1492 DBA::insert('gserver-tag', ['gserver-id' => $gserver['id'], 'tag' => $tag], true);
1496 // Create or update the relay contact
1498 if (isset($data['protocols'])) {
1499 if (isset($data['protocols']['diaspora'])) {
1500 $fields['network'] = Protocol::DIASPORA;
1502 if (isset($data['protocols']['diaspora']['receive'])) {
1503 $fields['batch'] = $data['protocols']['diaspora']['receive'];
1504 } elseif (is_string($data['protocols']['diaspora'])) {
1505 $fields['batch'] = $data['protocols']['diaspora'];
1509 if (isset($data['protocols']['dfrn'])) {
1510 $fields['network'] = Protocol::DFRN;
1512 if (isset($data['protocols']['dfrn']['receive'])) {
1513 $fields['batch'] = $data['protocols']['dfrn']['receive'];
1514 } elseif (is_string($data['protocols']['dfrn'])) {
1515 $fields['batch'] = $data['protocols']['dfrn'];
1519 Diaspora::setRelayContact($server_url, $fields);
1523 * @brief Returns a list of all known servers
1524 * @return array List of server urls
1526 public static function serverlist()
1529 "SELECT `url`, `site_name` AS `displayName`, `network`, `platform`, `version` FROM `gserver`
1530 WHERE `network` IN ('%s', '%s', '%s') AND `last_contact` > `last_failure`
1531 ORDER BY `last_contact`
1533 DBA::escape(Protocol::DFRN),
1534 DBA::escape(Protocol::DIASPORA),
1535 DBA::escape(Protocol::OSTATUS)
1538 if (!DBA::isResult($r)) {
1546 * @brief Fetch server list from remote servers and adds them when they are new.
1548 * @param string $poco URL to the POCO endpoint
1549 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1551 private static function fetchServerlist($poco)
1553 $curlResult = Network::curl($poco . "/@server");
1555 if (!$curlResult->isSuccess()) {
1559 $serverlist = json_decode($curlResult->getBody(), true);
1561 if (!is_array($serverlist)) {
1565 foreach ($serverlist as $server) {
1566 $server_url = str_replace("/index.php", "", $server['url']);
1568 $r = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", DBA::escape(Strings::normaliseLink($server_url)));
1570 if (!DBA::isResult($r)) {
1571 Logger::log("Call server check for server ".$server_url, Logger::DEBUG);
1572 Worker::add(PRIORITY_LOW, "DiscoverPoCo", "server", $server_url);
1577 private static function discoverFederation()
1579 $last = Config::get('poco', 'last_federation_discovery');
1582 $next = $last + (24 * 60 * 60);
1584 if ($next > time()) {
1589 // Discover Friendica, Hubzilla and Diaspora servers
1590 $curlResult = Network::fetchUrl("http://the-federation.info/pods.json");
1592 if (!empty($curlResult)) {
1593 $servers = json_decode($curlResult, true);
1595 if (!empty($servers['pods'])) {
1596 foreach ($servers['pods'] as $server) {
1597 Worker::add(PRIORITY_LOW, "DiscoverPoCo", "server", "https://" . $server['host']);
1602 // Disvover Mastodon servers
1603 if (!Config::get('system', 'ostatus_disabled')) {
1604 $accesstoken = Config::get('system', 'instances_social_key');
1606 if (!empty($accesstoken)) {
1607 $api = 'https://instances.social/api/1.0/instances/list?count=0';
1608 $header = ['Authorization: Bearer '.$accesstoken];
1609 $curlResult = Network::curl($api, false, $redirects, ['headers' => $header]);
1611 if ($curlResult->isSuccess()) {
1612 $servers = json_decode($curlResult->getBody(), true);
1614 foreach ($servers['instances'] as $server) {
1615 $url = (is_null($server['https_score']) ? 'http' : 'https') . '://' . $server['name'];
1616 Worker::add(PRIORITY_LOW, "DiscoverPoCo", "server", $url);
1622 // Currently disabled, since the service isn't available anymore.
1623 // It is not removed since I hope that there will be a successor.
1624 // Discover GNU Social Servers.
1625 //if (!Config::get('system','ostatus_disabled')) {
1626 // $serverdata = "http://gstools.org/api/get_open_instances/";
1628 // $curlResult = Network::curl($serverdata);
1629 // if ($curlResult->isSuccess()) {
1630 // $servers = json_decode($result->getBody(), true);
1632 // foreach($servers['data'] as $server)
1633 // self::checkServer($server['instance_address']);
1637 Config::set('poco', 'last_federation_discovery', time());
1640 public static function discoverSingleServer($id)
1642 $r = q("SELECT `poco`, `nurl`, `url`, `network` FROM `gserver` WHERE `id` = %d", intval($id));
1644 if (!DBA::isResult($r)) {
1650 // Discover new servers out there (Works from Friendica version 3.5.2)
1651 self::fetchServerlist($server["poco"]);
1653 // Fetch all users from the other server
1654 $url = $server["poco"] . "/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1656 Logger::log("Fetch all users from the server " . $server["url"], Logger::DEBUG);
1658 $curlResult = Network::curl($url);
1660 if ($curlResult->isSuccess() && !empty($curlResult->getBody())) {
1661 $data = json_decode($curlResult->getBody(), true);
1663 if (!empty($data)) {
1664 self::discoverServer($data, 2);
1667 if (Config::get('system', 'poco_discovery') > 1) {
1668 $timeframe = Config::get('system', 'poco_discovery_since');
1670 if ($timeframe == 0) {
1674 $updatedSince = date(DateTimeFormat::MYSQL, time() - $timeframe * 86400);
1676 // Fetch all global contacts from the other server (Not working with Redmatrix and Friendica versions before 3.3)
1677 $url = $server["poco"]."/@global?updatedSince=".$updatedSince."&fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
1681 $curlResult = Network::curl($url);
1683 if ($curlResult->isSuccess() && !empty($curlResult->getBody())) {
1684 Logger::log("Fetch all global contacts from the server " . $server["nurl"], Logger::DEBUG);
1685 $data = json_decode($curlResult->getBody(), true);
1687 if (!empty($data)) {
1688 $success = self::discoverServer($data);
1692 if (!$success && (Config::get('system', 'poco_discovery') > 2)) {
1693 Logger::log("Fetch contacts from users of the server " . $server["nurl"], Logger::DEBUG);
1694 self::discoverServerUsers($data, $server);
1698 $fields = ['last_poco_query' => DateTimeFormat::utcNow()];
1699 DBA::update('gserver', $fields, ['nurl' => $server["nurl"]]);
1703 // If the server hadn't replied correctly, then force a sanity check
1704 self::checkServer($server["url"], $server["network"], true);
1706 // If we couldn't reach the server, we will try it some time later
1707 $fields = ['last_poco_query' => DateTimeFormat::utcNow()];
1708 DBA::update('gserver', $fields, ['nurl' => $server["nurl"]]);
1714 public static function discover($complete = false)
1716 // Update the server list
1717 self::discoverFederation();
1721 $requery_days = intval(Config::get('system', 'poco_requery_days'));
1723 if ($requery_days == 0) {
1727 $last_update = date('c', time() - (60 * 60 * 24 * $requery_days));
1729 $gservers = q("SELECT `id`, `url`, `nurl`, `network`
1731 WHERE `last_contact` >= `last_failure`
1733 AND `last_poco_query` < '%s'
1734 ORDER BY RAND()", DBA::escape($last_update)
1737 if (DBA::isResult($gservers)) {
1738 foreach ($gservers as $gserver) {
1739 if (!self::checkServer($gserver['url'], $gserver['network'])) {
1740 // The server is not reachable? Okay, then we will try it later
1741 $fields = ['last_poco_query' => DateTimeFormat::utcNow()];
1742 DBA::update('gserver', $fields, ['nurl' => $gserver['nurl']]);
1746 Logger::log('Update directory from server ' . $gserver['url'] . ' with ID ' . $gserver['id'], Logger::DEBUG);
1747 Worker::add(PRIORITY_LOW, 'DiscoverPoCo', 'update_server_directory', (int) $gserver['id']);
1749 if (!$complete && ( --$no_of_queries == 0)) {
1756 private static function discoverServerUsers(array $data, array $server)
1758 if (!isset($data['entry'])) {
1762 foreach ($data['entry'] as $entry) {
1765 if (isset($entry['urls'])) {
1766 foreach ($entry['urls'] as $url) {
1767 if ($url['type'] == 'profile') {
1768 $profile_url = $url['value'];
1769 $path_array = explode('/', parse_url($profile_url, PHP_URL_PATH));
1770 $username = end($path_array);
1775 if ($username != '') {
1776 Logger::log('Fetch contacts for the user ' . $username . ' from the server ' . $server['nurl'], Logger::DEBUG);
1778 // Fetch all contacts from a given user from the other server
1779 $url = $server['poco'] . '/' . $username . '/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation';
1781 $curlResult = Network::curl($url);
1783 if ($curlResult->isSuccess()) {
1784 $data = json_decode($curlResult->getBody(), true);
1786 if (!empty($data)) {
1787 self::discoverServer($data, 3);
1794 private static function discoverServer(array $data, $default_generation = 0)
1796 if (empty($data['entry'])) {
1802 foreach ($data['entry'] as $entry) {
1804 $profile_photo = '';
1808 $updated = DBA::NULL_DATETIME;
1814 $generation = $default_generation;
1816 if (!empty($entry['displayName'])) {
1817 $name = $entry['displayName'];
1820 if (isset($entry['urls'])) {
1821 foreach ($entry['urls'] as $url) {
1822 if ($url['type'] == 'profile') {
1823 $profile_url = $url['value'];
1826 if ($url['type'] == 'webfinger') {
1827 $connect_url = str_replace('acct:' , '', $url['value']);
1833 if (isset($entry['photos'])) {
1834 foreach ($entry['photos'] as $photo) {
1835 if ($photo['type'] == 'profile') {
1836 $profile_photo = $photo['value'];
1842 if (isset($entry['updated'])) {
1843 $updated = date(DateTimeFormat::MYSQL, strtotime($entry['updated']));
1846 if (isset($entry['network'])) {
1847 $network = $entry['network'];
1850 if (isset($entry['currentLocation'])) {
1851 $location = $entry['currentLocation'];
1854 if (isset($entry['aboutMe'])) {
1855 $about = HTML::toBBCode($entry['aboutMe']);
1858 if (isset($entry['gender'])) {
1859 $gender = $entry['gender'];
1862 if (isset($entry['generation']) && ($entry['generation'] > 0)) {
1863 $generation = ++$entry['generation'];
1866 if (isset($entry['contactType']) && ($entry['contactType'] >= 0)) {
1867 $contact_type = $entry['contactType'];
1870 if (isset($entry['tags'])) {
1871 foreach ($entry['tags'] as $tag) {
1872 $keywords = implode(", ", $tag);
1876 if ($generation > 0) {
1879 Logger::log("Store profile ".$profile_url, Logger::DEBUG);
1881 $gcontact = ["url" => $profile_url,
1883 "network" => $network,
1884 "photo" => $profile_photo,
1886 "location" => $location,
1887 "gender" => $gender,
1888 "keywords" => $keywords,
1889 "connect" => $connect_url,
1890 "updated" => $updated,
1891 "contact-type" => $contact_type,
1892 "generation" => $generation];
1895 $gcontact = GContact::sanitize($gcontact);
1896 GContact::update($gcontact);
1897 } catch (Exception $e) {
1898 Logger::log($e->getMessage(), Logger::DEBUG);
1901 Logger::log("Done for profile ".$profile_url, Logger::DEBUG);