X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fsocgraph.php;h=559b1832b2f8da8ade9882bc94477890fc2470ae;hb=5b5b94232527a3ab4226378b3667907f06b42a35;hp=b2f5455094e53621c9a4a414c0702ecc639b47f1;hpb=d5a6e7b1767ebc337f31745984f1ce0904b77780;p=friendica.git diff --git a/include/socgraph.php b/include/socgraph.php old mode 100755 new mode 100644 index b2f5455094..559b1832b2 --- a/include/socgraph.php +++ b/include/socgraph.php @@ -1,7 +1,15 @@ get_curl_code() > 299) || (! $s)) return; - $j = json_decode($s); logger('poco_load: json: ' . print_r($j,true),LOGGER_DATA); @@ -69,110 +77,986 @@ function poco_load($cid,$uid = 0,$url = null) { $profile_photo = ''; $connect_url = ''; $name = ''; + $network = ''; + $updated = '0000-00-00 00:00:00'; + $location = ''; + $about = ''; + $keywords = ''; + $gender = ''; + $generation = 0; $name = $entry->displayName; - foreach($entry->urls as $url) { - if($url->type == 'profile') { - $profile_url = $url->value; - continue; + if(isset($entry->urls)) { + foreach($entry->urls as $url) { + if($url->type == 'profile') { + $profile_url = $url->value; + continue; + } + if($url->type == 'webfinger') { + $connect_url = str_replace('acct:' , '', $url->value); + continue; + } } - if($url->type == 'webfinger') { - $connect_url = str_replace('acct:' , '', $url->value); - continue; + } + if(isset($entry->photos)) { + foreach($entry->photos as $photo) { + if($photo->type == 'profile') { + $profile_photo = $photo->value; + continue; + } } + } - } - foreach($entry->photos as $photo) { - if($photo->type == 'profile') { - $profile_photo = $photo->value; - continue; + if(isset($entry->updated)) + $updated = date("Y-m-d H:i:s", strtotime($entry->updated)); + + if(isset($entry->network)) + $network = $entry->network; + + if(isset($entry->currentLocation)) + $location = $entry->currentLocation; + + if(isset($entry->aboutMe)) + $about = html2bbcode($entry->aboutMe); + + if(isset($entry->gender)) + $gender = $entry->gender; + + if(isset($entry->generation) AND ($entry->generation > 0)) + $generation = ++$entry->generation; + + if(isset($entry->tags)) + foreach($entry->tags as $tag) + $keywords = implode(", ", $tag); + + // If you query a Friendica server for its profiles, the network has to be Friendica + // To-Do: It could also be a Redmatrix server + //if ($uid == 0) + // $network = NETWORK_DFRN; + + poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid, $uid, $zcid); + + // Update the Friendica contacts. Diaspora is doing it via a message. (See include/diaspora.php) + if (($location != "") OR ($about != "") OR ($keywords != "") OR ($gender != "")) + q("UPDATE `contact` SET `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s' + WHERE `nurl` = '%s' AND NOT `self` AND `network` = '%s'", + dbesc($location), + dbesc($about), + dbesc($keywords), + dbesc($gender), + dbesc(normalise_link($profile_url)), + dbesc(NETWORK_DFRN)); + } + logger("poco_load: loaded $total entries",LOGGER_DEBUG); + + q("DELETE FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `zcid` = %d AND `updated` < UTC_TIMESTAMP - INTERVAL 2 DAY", + intval($cid), + intval($uid), + intval($zcid) + ); + +} + +function poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid = 0, $uid = 0, $zcid = 0) { + + $a = get_app(); + + // Generation: + // 0: No definition + // 1: Profiles on this server + // 2: Contacts of profiles on this server + // 3: Contacts of contacts of profiles on this server + // 4: ... + + $gcid = ""; + + $alternate = poco_alternate_ostatus_url($profile_url); + + if ($profile_url == "") + return $gcid; + + $urlparts = parse_url($profile_url); + if (!isset($urlparts["scheme"])) + return $gcid; + + if (in_array($urlparts["host"], array("www.facebook.com", "facebook.com", "twitter.com", + "identi.ca", "alpha.app.net"))) + return $gcid; + + $orig_updated = $updated; + + // Don't store the statusnet connector as network + // We can't simply set this to NETWORK_OSTATUS since the connector could have fetched posts from friendica as well + if ($network == NETWORK_STATUSNET) + $network = ""; + + // The global contacts should contain the original picture, not the cached one + if (($generation != 1) AND stristr(normalise_link($profile_photo), normalise_link($a->get_baseurl()."/photo/"))) + $profile_photo = ""; + + $r = q("SELECT `network` FROM `contact` WHERE `nurl` = '%s' AND `network` != '' AND `network` != '%s' LIMIT 1", + dbesc(normalise_link($profile_url)), dbesc(NETWORK_STATUSNET) + ); + if(count($r)) + $network = $r[0]["network"]; + + if (($network == "") OR ($network == NETWORK_OSTATUS)) { + $r = q("SELECT `network`, `url` FROM `contact` WHERE `alias` IN ('%s', '%s') AND `network` != '' AND `network` != '%s' LIMIT 1", + dbesc($profile_url), dbesc(normalise_link($profile_url)), dbesc(NETWORK_STATUSNET) + ); + if(count($r)) { + $network = $r[0]["network"]; + //$profile_url = $r[0]["url"]; + } + } + + $x = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1", + dbesc(normalise_link($profile_url)) + ); + + if (count($x)) { + if (($network == "") AND ($x[0]["network"] != NETWORK_STATUSNET)) + $network = $x[0]["network"]; + + if ($updated == "0000-00-00 00:00:00") + $updated = $x[0]["updated"]; + + $created = $x[0]["created"]; + $server_url = $x[0]["server_url"]; + $nick = $x[0]["nick"]; + $addr = $x[0]["addr"]; + } else { + $created = "0000-00-00 00:00:00"; + $server_url = ""; + + $urlparts = parse_url($profile_url); + $nick = end(explode("/", $urlparts["path"])); + $addr = ""; + } + + if ((($network == "") OR ($name == "") OR ($addr == "") OR ($profile_photo == "") OR ($server_url == "") OR $alternate) + AND poco_reachable($profile_url, $server_url, $network, false)) { + $data = probe_url($profile_url); + + $orig_profile = $profile_url; + + $network = $data["network"]; + $name = $data["name"]; + $nick = $data["nick"]; + $addr = $data["addr"]; + $profile_url = $data["url"]; + $profile_photo = $data["photo"]; + $server_url = $data["baseurl"]; + + if ($alternate AND ($network == NETWORK_OSTATUS)) { + // Delete the old entry - if it exists + $r = q("SELECT `id` FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($orig_profile))); + if ($r) { + q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($orig_profile))); + q("DELETE FROM `glink` WHERE `gcid` = %d", intval($r[0]["id"])); } + + // possibly create a new entry + poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid, $uid, $zcid); } + } + + if ($alternate AND ($network == NETWORK_OSTATUS)) + return $gcid; - if((! $name) || (! $profile_url) || (! $profile_photo)) - continue; - - $x = q("select * from `gcontact` where `nurl` = '%s' limit 1", + if (count($x) AND ($x[0]["network"] == "") AND ($network != "")) { + q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'", + dbesc($network), dbesc(normalise_link($profile_url)) ); + } - if(count($x)) { - $gcid = $x[0]['id']; + if (($name == "") OR ($profile_photo == "")) + return $gcid; - if($x[0]['name'] != $name || $x[0]['photo'] != $profile_photo) { - q("update gcontact set `name` = '%s', `photo` = '%s', `connect` = '%s' - where `nurl` = '%s' limit 1", - dbesc($name), - dbesc($profile_photo), - dbesc($connect_url), - dbesc(normalise_link($profile_url)) - ); - } - } - else { - q("insert into `gcontact` (`name`,`url`,`nurl`,`photo`,`connect`) - values ( '%s', '%s', '%s', '%s','%s') ", + if (!in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA))) + return $gcid; + + logger("profile-check generation: ".$generation." Network: ".$network." URL: ".$profile_url." name: ".$name." avatar: ".$profile_photo, LOGGER_DEBUG); + + poco_check_server($server_url, $network); + + if(count($x)) { + $gcid = $x[0]['id']; + + if (($location == "") AND ($x[0]['location'] != "")) + $location = $x[0]['location']; + + if (($about == "") AND ($x[0]['about'] != "")) + $about = $x[0]['about']; + + if (($gender == "") AND ($x[0]['gender'] != "")) + $gender = $x[0]['gender']; + + if (($keywords == "") AND ($x[0]['keywords'] != "")) + $keywords = $x[0]['keywords']; + + if (($addr == "") AND ($x[0]['addr'] != "")) + $addr = $x[0]['addr']; + + if (($generation == 0) AND ($x[0]['generation'] > 0)) + $generation = $x[0]['generation']; + + if($x[0]['name'] != $name || $x[0]['photo'] != $profile_photo || $x[0]['updated'] < $updated) { + q("UPDATE `gcontact` SET `name` = '%s', `addr` = '%s', `network` = '%s', `photo` = '%s', `connect` = '%s', `url` = '%s', `server_url` = '%s', + `updated` = '%s', `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s', `generation` = %d + WHERE (`generation` >= %d OR `generation` = 0) AND `nurl` = '%s'", dbesc($name), - dbesc($profile_url), - dbesc(normalise_link($profile_url)), + dbesc($addr), + dbesc($network), dbesc($profile_photo), - dbesc($connect_url) - ); - $x = q("select * from `gcontact` where `nurl` = '%s' limit 1", + dbesc($connect_url), + dbesc($profile_url), + dbesc($server_url), + dbesc($updated), + dbesc($location), + dbesc($about), + dbesc($keywords), + dbesc($gender), + intval($generation), + intval($generation), dbesc(normalise_link($profile_url)) ); - if(count($x)) - $gcid = $x[0]['id']; } - if(! $gcid) - return; + } else { + q("INSERT INTO `gcontact` (`name`, `nick`, `addr`, `network`, `url`, `nurl`, `photo`, `connect`, `server_url`, `created`, `updated`, `location`, `about`, `keywords`, `gender`, `generation`) + VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d)", + dbesc($name), + dbesc($nick), + dbesc($addr), + dbesc($network), + dbesc($profile_url), + dbesc(normalise_link($profile_url)), + dbesc($profile_photo), + dbesc($connect_url), + dbesc($server_url), + dbesc(datetime_convert()), + dbesc($updated), + dbesc($location), + dbesc($about), + dbesc($keywords), + dbesc($gender), + intval($generation) + ); + $x = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1", + dbesc(normalise_link($profile_url)) + ); + if(count($x)) + $gcid = $x[0]['id']; + } - $r = q("select * from glink where `cid` = %d and `uid` = %d and `gcid` = %d limit 1", + if(! $gcid) + return $gcid; + + $r = q("SELECT * FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d LIMIT 1", + intval($cid), + intval($uid), + intval($gcid), + intval($zcid) + ); + if(! count($r)) { + q("INSERT INTO `glink` (`cid`,`uid`,`gcid`,`zcid`, `updated`) VALUES (%d,%d,%d,%d, '%s') ", intval($cid), intval($uid), - intval($gcid) + intval($gcid), + intval($zcid), + dbesc(datetime_convert()) ); - if(! count($r)) { - q("insert into glink ( `cid`,`uid`,`gcid`,`updated`) values (%d,%d,%d,'%s') ", - intval($cid), - intval($uid), - intval($gcid), - dbesc(datetime_convert()) - ); + } else { + q("UPDATE `glink` SET `updated` = '%s' WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d", + dbesc(datetime_convert()), + intval($cid), + intval($uid), + intval($gcid), + intval($zcid) + ); + } + + // For unknown reasons there are sometimes duplicates + q("DELETE FROM `gcontact` WHERE `nurl` = '%s' AND `id` != %d AND + NOT EXISTS (SELECT `gcid` FROM `glink` WHERE `gcid` = `gcontact`.`id`)", + dbesc(normalise_link($profile_url)), + intval($gcid) + ); + + return $gcid; +} + +function poco_reachable($profile, $server = "", $network = "", $force = false) { + + if ($server == "") + $server = poco_detect_server($profile); + + if ($server == "") + return true; + + return poco_check_server($server, $network, $force); +} + +function poco_detect_server($profile) { + + // Try to detect the server path based upon some known standard paths + $server_url = ""; + + if ($server_url == "") { + $friendica = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $profile); + if ($friendica != $profile) { + $server_url = $friendica; + $network = NETWORK_DFRN; } - else { - q("update glink set updated = '%s' where `cid` = %d and `uid` = %d and `gcid` = %d limit 1", - dbesc(datetime_convert()), - intval($cid), - intval($uid), - intval($gcid) - ); + } + + if ($server_url == "") { + $diaspora = preg_replace("=(https?://)(.*)/u/(.*)=ism", "$1$2", $profile); + if ($diaspora != $profile) { + $server_url = $diaspora; + $network = NETWORK_DIASPORA; } + } + if ($server_url == "") { + $red = preg_replace("=(https?://)(.*)/channel/(.*)=ism", "$1$2", $profile); + if ($red != $profile) { + $server_url = $red; + $network = NETWORK_DIASPORA; + } } - logger("poco_load: loaded $total entries",LOGGER_DEBUG); - q("delete from glink where `cid` = %d and `uid` = %d and `updated` < UTC_TIMESTAMP - INTERVAL 2 DAY", - intval($cid), - intval($uid) - ); + return $server_url; +} + +function poco_alternate_ostatus_url($url) { + return(preg_match("=https?://.+/user/\d+=ism", $url, $matches)); +} + +function poco_last_updated($profile, $force = false) { + + $gcontacts = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'", + dbesc(normalise_link($profile))); + + if ($gcontacts[0]["created"] == "0000-00-00 00:00:00") + q("UPDATE `gcontact` SET `created` = '%s' WHERE `nurl` = '%s'", + dbesc(datetime_convert()), dbesc(normalise_link($profile))); + + if ($gcontacts[0]["server_url"] != "") + $server_url = $gcontacts[0]["server_url"]; + else + $server_url = poco_detect_server($profile); + + if ($server_url != "") { + if (!poco_check_server($server_url, $gcontacts[0]["network"], $force)) { + + if ($force) + q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'", + dbesc(datetime_convert()), dbesc(normalise_link($profile))); + + return false; + } + + q("UPDATE `gcontact` SET `server_url` = '%s' WHERE `nurl` = '%s'", + dbesc($server_url), dbesc(normalise_link($profile))); + } + + if (in_array($gcontacts[0]["network"], array("", NETWORK_FEED))) { + $server = q("SELECT `network` FROM `gserver` WHERE `nurl` = '%s' AND `network` != ''", + dbesc(normalise_link($server_url))); + + if ($server) + q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'", + dbesc($server[0]["network"]), dbesc(normalise_link($profile))); + else + return; + } + + // noscrape is really fast so we don't cache the call. + if (($gcontacts[0]["server_url"] != "") AND ($gcontacts[0]["nick"] != "")) { + + // Use noscrape if possible + $server = q("SELECT `noscrape` FROM `gserver` WHERE `nurl` = '%s' AND `noscrape` != ''", dbesc(normalise_link($gcontacts[0]["server_url"]))); + + if ($server) { + $noscraperet = z_fetch_url($server[0]["noscrape"]."/".$gcontacts[0]["nick"]); + + if ($noscraperet["success"] AND ($noscraperet["body"] != "")) { + + $noscrape = json_decode($noscraperet["body"], true); + + if (($noscrape["fn"] != "") AND ($noscrape["fn"] != $gcontacts[0]["name"])) + q("UPDATE `gcontact` SET `name` = '%s' WHERE `nurl` = '%s'", + dbesc($noscrape["fn"]), dbesc(normalise_link($profile))); + + if (($noscrape["photo"] != "") AND ($noscrape["photo"] != $gcontacts[0]["photo"])) + q("UPDATE `gcontact` SET `photo` = '%s' WHERE `nurl` = '%s'", + dbesc($noscrape["photo"]), dbesc(normalise_link($profile))); + + if (($noscrape["updated"] != "") AND ($noscrape["updated"] != $gcontacts[0]["updated"])) + q("UPDATE `gcontact` SET `updated` = '%s' WHERE `nurl` = '%s'", + dbesc($noscrape["updated"]), dbesc(normalise_link($profile))); + + if (($noscrape["gender"] != "") AND ($noscrape["gender"] != $gcontacts[0]["gender"])) + q("UPDATE `gcontact` SET `gender` = '%s' WHERE `nurl` = '%s'", + dbesc($noscrape["gender"]), dbesc(normalise_link($profile))); + + if (($noscrape["pdesc"] != "") AND ($noscrape["pdesc"] != $gcontacts[0]["about"])) + q("UPDATE `gcontact` SET `about` = '%s' WHERE `nurl` = '%s'", + dbesc($noscrape["pdesc"]), dbesc(normalise_link($profile))); + + if (($noscrape["about"] != "") AND ($noscrape["about"] != $gcontacts[0]["about"])) + q("UPDATE `gcontact` SET `about` = '%s' WHERE `nurl` = '%s'", + dbesc($noscrape["about"]), dbesc(normalise_link($profile))); + + if (isset($noscrape["comm"]) AND ($noscrape["comm"] != $gcontacts[0]["community"])) + q("UPDATE `gcontact` SET `community` = %d WHERE `nurl` = '%s'", + intval($noscrape["comm"]), dbesc(normalise_link($profile))); + + if (isset($noscrape["tags"])) + $keywords = implode(" ", $noscrape["tags"]); + else + $keywords = ""; + + if (($keywords != "") AND ($keywords != $gcontacts[0]["keywords"])) + q("UPDATE `gcontact` SET `keywords` = '%s' WHERE `nurl` = '%s'", + dbesc($keywords), dbesc(normalise_link($profile))); + + $location = $noscrape["locality"]; + + if ($noscrape["region"] != "") { + if ($location != "") + $location .= ", "; + + $location .= $noscrape["region"]; + } + + if ($noscrape["country-name"] != "") { + if ($location != "") + $location .= ", "; + + $location .= $noscrape["country-name"]; + } + + if (($location != "") AND ($location != $gcontacts[0]["location"])) + q("UPDATE `gcontact` SET `location` = '%s' WHERE `nurl` = '%s'", + dbesc($location), dbesc(normalise_link($profile))); + + // If we got data from noscrape then mark the contact as reachable + if (is_array($noscrape) AND count($noscrape)) + q("UPDATE `gcontact` SET `last_contact` = '%s' WHERE `nurl` = '%s'", + dbesc(datetime_convert()), dbesc(normalise_link($profile))); + + return $noscrape["updated"]; + } + } + } + + // If we only can poll the feed, then we only do this once a while + if (!$force AND !poco_do_update($gcontacts[0]["created"], $gcontacts[0]["updated"], $gcontacts[0]["last_failure"], $gcontacts[0]["last_contact"])) + return $gcontacts[0]["updated"]; + + $data = probe_url($profile); + + // Is the profile link the alternate OStatus link notation? (http://domain.tld/user/4711) + // Then check the other link and delete this one + if (($data["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($profile) AND + (normalise_link($profile) == normalise_link($data["alias"])) AND + (normalise_link($profile) != normalise_link($data["url"]))) { + + // Delete the old entry + q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($profile))); + q("DELETE FROM `glink` WHERE `gcid` = %d", intval($gcontacts[0]["id"])); + + poco_check($data["url"], $data["name"], $data["network"], $data["photo"], $gcontacts[0]["about"], $gcontacts[0]["location"], + $gcontacts[0]["gender"], $gcontacts[0]["keywords"], $data["addr"], $gcontacts[0]["updated"], $gcontacts[0]["generation"]); + + poco_last_updated($data["url"], $force); + + return false; + } + + if (($data["poll"] == "") OR (in_array($data["network"], array(NETWORK_FEED, NETWORK_PHANTOM)))) { + q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'", + dbesc(datetime_convert()), dbesc(normalise_link($profile))); + return false; + } + + if (($data["name"] != "") AND ($data["name"] != $gcontacts[0]["name"])) + q("UPDATE `gcontact` SET `name` = '%s' WHERE `nurl` = '%s'", + dbesc($data["name"]), dbesc(normalise_link($profile))); + + if (($data["nick"] != "") AND ($data["nick"] != $gcontacts[0]["nick"])) + q("UPDATE `gcontact` SET `nick` = '%s' WHERE `nurl` = '%s'", + dbesc($data["nick"]), dbesc(normalise_link($profile))); + + if (($data["addr"] != "") AND ($data["addr"] != $gcontacts[0]["connect"])) + q("UPDATE `gcontact` SET `connect` = '%s' WHERE `nurl` = '%s'", + dbesc($data["addr"]), dbesc(normalise_link($profile))); + + if (($data["photo"] != "") AND ($data["photo"] != $gcontacts[0]["photo"])) + q("UPDATE `gcontact` SET `photo` = '%s' WHERE `nurl` = '%s'", + dbesc($data["photo"]), dbesc(normalise_link($profile))); + + if (($data["baseurl"] != "") AND ($data["baseurl"] != $gcontacts[0]["server_url"])) + q("UPDATE `gcontact` SET `server_url` = '%s' WHERE `nurl` = '%s'", + dbesc($data["baseurl"]), dbesc(normalise_link($profile))); + + $feedret = z_fetch_url($data["poll"]); + + if (!$feedret["success"]) { + q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'", + dbesc(datetime_convert()), dbesc(normalise_link($profile))); + return false; + } + + $doc = new DOMDocument(); + @$doc->loadXML($feedret["body"]); + + $xpath = new DomXPath($doc); + $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom"); + + $entries = $xpath->query('/atom:feed/atom:entry'); + + $last_updated = ""; + + foreach ($entries AS $entry) { + $published = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue; + $updated = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue; + + if ($last_updated < $published) + $last_updated = $published; + + if ($last_updated < $updated) + $last_updated = $updated; + } + + // Maybe there aren't any entries. Then check if it is a valid feed + if ($last_updated == "") + if ($xpath->query('/atom:feed')->length > 0) + $last_updated = "0000-00-00 00:00:00"; + + q("UPDATE `gcontact` SET `updated` = '%s', `last_contact` = '%s' WHERE `nurl` = '%s'", + dbesc($last_updated), dbesc(datetime_convert()), dbesc(normalise_link($profile))); + + if (($gcontacts[0]["generation"] == 0)) + q("UPDATE `gcontact` SET `generation` = 9 WHERE `nurl` = '%s'", + dbesc(normalise_link($profile))); + + return($last_updated); +} + +function poco_do_update($created, $updated, $last_failure, $last_contact) { + $now = strtotime(datetime_convert()); + + if ($updated > $last_contact) + $contact_time = strtotime($updated); + else + $contact_time = strtotime($last_contact); + + $failure_time = strtotime($last_failure); + $created_time = strtotime($created); + + // If there is no "created" time then use the current time + if ($created_time <= 0) + $created_time = $now; + + // If the last contact was less than 24 hours then don't update + if (($now - $contact_time) < (60 * 60 * 24)) + return false; + + // If the last failure was less than 24 hours then don't update + if (($now - $failure_time) < (60 * 60 * 24)) + return false; + + // If the last contact was less than a week ago and the last failure is older than a week then don't update + //if ((($now - $contact_time) < (60 * 60 * 24 * 7)) AND ($contact_time > $failure_time)) + // return false; + + // If the last contact time was more than a week ago and the contact was created more than a week ago, then only try once a week + if ((($now - $contact_time) > (60 * 60 * 24 * 7)) AND (($now - $created_time) > (60 * 60 * 24 * 7)) AND (($now - $failure_time) < (60 * 60 * 24 * 7))) + return false; + + // If the last contact time was more than a month ago and the contact was created more than a month ago, then only try once a month + if ((($now - $contact_time) > (60 * 60 * 24 * 30)) AND (($now - $created_time) > (60 * 60 * 24 * 30)) AND (($now - $failure_time) < (60 * 60 * 24 * 30))) + return false; + + return true; +} + +function poco_to_boolean($val) { + if (($val == "true") OR ($val == 1)) + return(true); + if (($val == "false") OR ($val == 0)) + return(false); + + return ($val); +} + +function poco_check_server($server_url, $network = "", $force = false) { + + if ($server_url == "") + return false; + + $servers = q("SELECT * FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url))); + if ($servers) { + + if ($servers[0]["created"] == "0000-00-00 00:00:00") + q("UPDATE `gserver` SET `created` = '%s' WHERE `nurl` = '%s'", + dbesc(datetime_convert()), dbesc(normalise_link($server_url))); + + $poco = $servers[0]["poco"]; + $noscrape = $servers[0]["noscrape"]; + + if ($network == "") + $network = $servers[0]["network"]; + + $last_contact = $servers[0]["last_contact"]; + $last_failure = $servers[0]["last_failure"]; + $version = $servers[0]["version"]; + $platform = $servers[0]["platform"]; + $site_name = $servers[0]["site_name"]; + $info = $servers[0]["info"]; + $register_policy = $servers[0]["register_policy"]; + + if (!$force AND !poco_do_update($servers[0]["created"], "", $last_failure, $last_contact)) { + logger("Use cached data for server ".$server_url, LOGGER_DEBUG); + return ($last_contact >= $last_failure); + } + } else { + $poco = ""; + $noscrape = ""; + $version = ""; + $platform = ""; + $site_name = ""; + $info = ""; + $register_policy = -1; + + $last_contact = "0000-00-00 00:00:00"; + $last_failure = "0000-00-00 00:00:00"; + } + logger("Server ".$server_url." is outdated or unknown. Start discovery. Force: ".$force." Created: ".$servers[0]["created"]." Failure: ".$last_failure." Contact: ".$last_contact, LOGGER_DEBUG); + + $failure = false; + $orig_last_failure = $last_failure; + + // Check if the page is accessible via SSL. + $server_url = str_replace("http://", "https://", $server_url); + $serverret = z_fetch_url($server_url."/.well-known/host-meta"); + + // Maybe the page is unencrypted only? + $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0"); + if (!$serverret["success"] OR ($serverret["body"] == "") OR (@sizeof($xmlobj) == 0) OR !is_object($xmlobj)) { + $server_url = str_replace("https://", "http://", $server_url); + $serverret = z_fetch_url($server_url."/.well-known/host-meta"); + + $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0"); + } + + if (!$serverret["success"] OR ($serverret["body"] == "") OR (sizeof($xmlobj) == 0) OR !is_object($xmlobj)) { + // Workaround for bad configured servers (known nginx problem) + if ($serverret["debug"]["http_code"] != "403") { + $last_failure = datetime_convert(); + $failure = true; + } + } elseif ($network == NETWORK_DIASPORA) + $last_contact = datetime_convert(); + + if (!$failure) { + // Test for Diaspora + $serverret = z_fetch_url($server_url); + + $lines = explode("\n",$serverret["header"]); + if(count($lines)) + foreach($lines as $line) { + $line = trim($line); + if(stristr($line,'X-Diaspora-Version:')) { + $platform = "Diaspora"; + $version = trim(str_replace("X-Diaspora-Version:", "", $line)); + $version = trim(str_replace("x-diaspora-version:", "", $version)); + $network = NETWORK_DIASPORA; + } + } + } + + if (!$failure) { + // Test for Statusnet + // Will also return data for Friendica and GNU Social - but it will be overwritten later + // The "not implemented" is a special treatment for really, really old Friendica versions + $serverret = z_fetch_url($server_url."/api/statusnet/version.json"); + if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND ($serverret["body"] != '') AND (strlen($serverret["body"]) < 250)) { + $platform = "StatusNet"; + $version = trim($serverret["body"], '"'); + $network = NETWORK_OSTATUS; + } + + // Test for GNU Social + $serverret = z_fetch_url($server_url."/api/gnusocial/version.json"); + if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND ($serverret["body"] != '') AND (strlen($serverret["body"]) < 250)) { + $platform = "GNU Social"; + $version = trim($serverret["body"], '"'); + $network = NETWORK_OSTATUS; + } + + $serverret = z_fetch_url($server_url."/api/statusnet/config.json"); + if ($serverret["success"]) { + $data = json_decode($serverret["body"]); + + if (isset($data->site->server)) { + $last_contact = datetime_convert(); + + if (isset($data->site->hubzilla)) { + $platform = $data->site->hubzilla->PLATFORM_NAME; + $version = $data->site->hubzilla->RED_VERSION; + $network = NETWORK_DIASPORA; + } + if (isset($data->site->redmatrix)) { + if (isset($data->site->redmatrix->PLATFORM_NAME)) + $platform = $data->site->redmatrix->PLATFORM_NAME; + elseif (isset($data->site->redmatrix->RED_PLATFORM)) + $platform = $data->site->redmatrix->RED_PLATFORM; + + $version = $data->site->redmatrix->RED_VERSION; + $network = NETWORK_DIASPORA; + } + if (isset($data->site->friendica)) { + $platform = $data->site->friendica->FRIENDICA_PLATFORM; + $version = $data->site->friendica->FRIENDICA_VERSION; + $network = NETWORK_DFRN; + } + + $site_name = $data->site->name; + + $data->site->closed = poco_to_boolean($data->site->closed); + $data->site->private = poco_to_boolean($data->site->private); + $data->site->inviteonly = poco_to_boolean($data->site->inviteonly); + + if (!$data->site->closed AND !$data->site->private and $data->site->inviteonly) + $register_policy = REGISTER_APPROVE; + elseif (!$data->site->closed AND !$data->site->private) + $register_policy = REGISTER_OPEN; + else + $register_policy = REGISTER_CLOSED; + } + } + } + + // Query statistics.json. Optional package for Diaspora, Friendica and Redmatrix + if (!$failure) { + $serverret = z_fetch_url($server_url."/statistics.json"); + if ($serverret["success"]) { + $data = json_decode($serverret["body"]); + if ($version == "") + $version = $data->version; + + $site_name = $data->name; + + if (isset($data->network) AND ($platform == "")) + $platform = $data->network; + + if ($platform == "Diaspora") + $network = NETWORK_DIASPORA; + + if ($data->registrations_open) + $register_policy = REGISTER_OPEN; + else + $register_policy = REGISTER_CLOSED; + + if (isset($data->version)) + $last_contact = datetime_convert(); + } + } + + // Check for noscrape + // Friendica servers could be detected as OStatus servers + if (!$failure AND in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS))) { + $serverret = z_fetch_url($server_url."/friendica/json"); + + if (!$serverret["success"]) + $serverret = z_fetch_url($server_url."/friendika/json"); + + if ($serverret["success"]) { + $data = json_decode($serverret["body"]); + + if (isset($data->version)) { + $last_contact = datetime_convert(); + $network = NETWORK_DFRN; + + $noscrape = $data->no_scrape_url; + $version = $data->version; + $site_name = $data->site_name; + $info = $data->info; + $register_policy_str = $data->register_policy; + $platform = $data->platform; + + switch ($register_policy_str) { + case "REGISTER_CLOSED": + $register_policy = REGISTER_CLOSED; + break; + case "REGISTER_APPROVE": + $register_policy = REGISTER_APPROVE; + break; + case "REGISTER_OPEN": + $register_policy = REGISTER_OPEN; + break; + } + } + } + } + + // Look for poco + if (!$failure) { + $serverret = z_fetch_url($server_url."/poco"); + if ($serverret["success"]) { + $data = json_decode($serverret["body"]); + if (isset($data->totalResults)) { + $poco = $server_url."/poco"; + $last_contact = datetime_convert(); + } + } + } + + // Check again if the server exists + $servers = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url))); + + if ($servers) + q("UPDATE `gserver` SET `url` = '%s', `version` = '%s', `site_name` = '%s', `info` = '%s', `register_policy` = %d, `poco` = '%s', `noscrape` = '%s', + `network` = '%s', `platform` = '%s', `last_contact` = '%s', `last_failure` = '%s' WHERE `nurl` = '%s'", + dbesc($server_url), + dbesc($version), + dbesc($site_name), + dbesc($info), + intval($register_policy), + dbesc($poco), + dbesc($noscrape), + dbesc($network), + dbesc($platform), + dbesc($last_contact), + dbesc($last_failure), + dbesc(normalise_link($server_url)) + ); + else + q("INSERT INTO `gserver` (`url`, `nurl`, `version`, `site_name`, `info`, `register_policy`, `poco`, `noscrape`, `network`, `platform`, `created`, `last_contact`, `last_failure`) + VALUES ('%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s')", + dbesc($server_url), + dbesc(normalise_link($server_url)), + dbesc($version), + dbesc($site_name), + dbesc($info), + intval($register_policy), + dbesc($poco), + dbesc($noscrape), + dbesc($network), + dbesc($platform), + dbesc(datetime_convert()), + dbesc($last_contact), + dbesc($last_failure), + dbesc(datetime_convert()) + ); + + logger("End discovery for server ".$server_url, LOGGER_DEBUG); + + return !$failure; +} + +function poco_contact_from_body($body, $created, $cid, $uid) { + preg_replace_callback("/\[share(.*?)\].*?\[\/share\]/ism", + function ($match) use ($created, $cid, $uid){ + return(sub_poco_from_share($match, $created, $cid, $uid)); + }, $body); +} +function sub_poco_from_share($share, $created, $cid, $uid) { + $profile = ""; + preg_match("/profile='(.*?)'/ism", $share[1], $matches); + if ($matches[1] != "") + $profile = $matches[1]; + + preg_match('/profile="(.*?)"/ism', $share[1], $matches); + if ($matches[1] != "") + $profile = $matches[1]; + + if ($profile == "") + return; + + logger("prepare poco_check for profile ".$profile, LOGGER_DEBUG); + poco_check($profile, "", "", "", "", "", "", "", "", $created, 3, $cid, $uid); } +function poco_store($item) { + + // Isn't it public? + if ($item['private']) + return; + + // Or is it from a network where we don't store the global contacts? + if (!in_array($item["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, NETWORK_STATUSNET, ""))) + return; + + // Is it a global copy? + $store_gcontact = ($item["uid"] == 0); + + // Is it a comment on a global copy? + if (!$store_gcontact AND ($item["uri"] != $item["parent-uri"])) { + $q = q("SELECT `id` FROM `item` WHERE `uri`='%s' AND `uid` = 0", $item["parent-uri"]); + $store_gcontact = count($q); + } + + if (!$store_gcontact) + return; + + // "3" means: We don't know this contact directly (Maybe a reshared item) + $generation = 3; + $network = ""; + $profile_url = $item["author-link"]; + + // Is it a user from our server? + $q = q("SELECT `id` FROM `contact` WHERE `self` AND `nurl` = '%s' LIMIT 1", + dbesc(normalise_link($item["author-link"]))); + if (count($q)) { + logger("Our user (generation 1): ".$item["author-link"], LOGGER_DEBUG); + $generation = 1; + $network = NETWORK_DFRN; + } else { // Is it a contact from a user on our server? + $q = q("SELECT `network`, `url` FROM `contact` WHERE `uid` != 0 AND `network` != '' + AND (`nurl` = '%s' OR `alias` IN ('%s', '%s')) AND `network` != '%s' LIMIT 1", + dbesc(normalise_link($item["author-link"])), + dbesc(normalise_link($item["author-link"])), + dbesc($item["author-link"]), + dbesc(NETWORK_STATUSNET)); + if (count($q)) { + $generation = 2; + $network = $q[0]["network"]; + $profile_url = $q[0]["url"]; + logger("Known contact (generation 2): ".$profile_url, LOGGER_DEBUG); + } + } + + if ($generation == 3) + logger("Unknown contact (generation 3): ".$item["author-link"], LOGGER_DEBUG); + + poco_check($profile_url, $item["author-name"], $network, $item["author-avatar"], "", "", "", "", "", $item["received"], $generation, $item["contact-id"], $item["uid"]); + + // Maybe its a body with a shared item? Then extract a global contact from it. + poco_contact_from_body($item["body"], $item["received"], $item["contact-id"], $item["uid"]); +} function count_common_friends($uid,$cid) { $r = q("SELECT count(*) as `total` - FROM `glink` left join `gcontact` on `glink`.`gcid` = `gcontact`.`id` - where `glink`.`cid` = %d and `glink`.`uid` = %d - and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and id != %d ) ", + FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id` + WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND + ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`)) + AND `gcontact`.`nurl` IN (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d ) ", intval($cid), intval($uid), intval($uid), intval($cid) ); +// logger("count_common_friends: $uid $cid {$r[0]['total']}"); if(count($r)) return $r[0]['total']; return 0; @@ -180,28 +1064,80 @@ function count_common_friends($uid,$cid) { } -function common_friends($uid,$cid) { +function common_friends($uid,$cid,$start = 0,$limit=9999,$shuffle = false) { - $r = q("SELECT `gcontact`.* - FROM `glink` left join `gcontact` on `glink`.`gcid` = `gcontact`.`id` - where `glink`.`cid` = %d and `glink`.`uid` = %d - and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and id != %d ) - order by `gcontact`.`name` asc ", + if($shuffle) + $sql_extra = " order by rand() "; + else + $sql_extra = " order by `gcontact`.`name` asc "; + + $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid` + FROM `glink` + INNER JOIN `gcontact` ON `glink`.`gcid` = `gcontact`.`id` + INNER JOIN `contact` ON `gcontact`.`nurl` = `contact`.`nurl` + WHERE `glink`.`cid` = %d and `glink`.`uid` = %d + AND `contact`.`uid` = %d AND `contact`.`self` = 0 AND `contact`.`blocked` = 0 + AND `contact`.`hidden` = 0 AND `contact`.`id` != %d + AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`)) + $sql_extra LIMIT %d, %d", intval($cid), intval($uid), intval($uid), - intval($cid) + intval($cid), + intval($start), + intval($limit) + ); + + return $r; + +} + + +function count_common_friends_zcid($uid,$zcid) { + + $r = q("SELECT count(*) as `total` + FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id` + where `glink`.`zcid` = %d + and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) ", + intval($zcid), + intval($uid) + ); + + if(count($r)) + return $r[0]['total']; + return 0; + +} + +function common_friends_zcid($uid,$zcid,$start = 0, $limit = 9999,$shuffle = false) { + + if($shuffle) + $sql_extra = " order by rand() "; + else + $sql_extra = " order by `gcontact`.`name` asc "; + + $r = q("SELECT `gcontact`.* + FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id` + where `glink`.`zcid` = %d + and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) + $sql_extra limit %d, %d", + intval($zcid), + intval($uid), + intval($start), + intval($limit) ); return $r; } + function count_all_friends($uid,$cid) { $r = q("SELECT count(*) as `total` - FROM `glink` left join `gcontact` on `glink`.`gcid` = `gcontact`.`id` - where `glink`.`cid` = %d and `glink`.`uid` = %d ", + FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id` + where `glink`.`cid` = %d and `glink`.`uid` = %d AND + ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))", intval($cid), intval($uid) ); @@ -215,10 +1151,14 @@ function count_all_friends($uid,$cid) { function all_friends($uid,$cid,$start = 0, $limit = 80) { - $r = q("SELECT `gcontact`.* - FROM `glink` left join `gcontact` on `glink`.`gcid` = `gcontact`.`id` - where `glink`.`cid` = %d and `glink`.`uid` = %d - order by `gcontact`.`name` asc LIMIT %d, %d ", + $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid` + FROM `glink` + INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id` + LEFT JOIN `contact` ON `contact`.`nurl` = `gcontact`.`nurl` AND `contact`.`uid` = %d + WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND + ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`)) + ORDER BY `gcontact`.`name` ASC LIMIT %d, %d ", + intval($uid), intval($cid), intval($uid), intval($start), @@ -235,14 +1175,32 @@ function suggestion_query($uid, $start = 0, $limit = 80) { if(! $uid) return array(); - $r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact - left join glink on glink.gcid = gcontact.id - where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d) - and not gcontact.id in ( select gcid from gcign where uid = %d ) - group by glink.gcid order by total desc limit %d, %d ", + $network = array(NETWORK_DFRN); + + if (get_config('system','diaspora_enabled')) + $network[] = NETWORK_DIASPORA; + + if (!get_config('system','ostatus_disabled')) + $network[] = NETWORK_OSTATUS; + + $sql_network = implode("', '", $network); + //$sql_network = "'".$sql_network."', ''"; + $sql_network = "'".$sql_network."'"; + + $r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact + INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id` + where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d ) + AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d) + AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d) + AND `gcontact`.`updated` != '0000-00-00 00:00:00' + AND `gcontact`.`last_contact` >= `gcontact`.`last_failure` + AND `gcontact`.`network` IN (%s) + GROUP BY `glink`.`gcid` ORDER BY `gcontact`.`updated` DESC,`total` DESC LIMIT %d, %d", + intval($uid), intval($uid), intval($uid), intval($uid), + $sql_network, intval($start), intval($limit) ); @@ -250,20 +1208,34 @@ function suggestion_query($uid, $start = 0, $limit = 80) { if(count($r) && count($r) >= ($limit -1)) return $r; - $r2 = q("SELECT gcontact.* from gcontact - left join glink on glink.gcid = gcontact.id - where glink.uid = 0 and glink.cid = 0 and not gcontact.nurl in ( select nurl from contact where uid = %d) - and not gcontact.id in ( select gcid from gcign where uid = %d ) - order by rand() limit %d, %d ", + $r2 = q("SELECT gcontact.* FROM gcontact + INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id` + WHERE `glink`.`uid` = 0 AND `glink`.`cid` = 0 AND `glink`.`zcid` = 0 AND NOT `gcontact`.`nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` = %d) + AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d) + AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d) + AND `gcontact`.`updated` != '0000-00-00 00:00:00' + AND `gcontact`.`last_contact` >= `gcontact`.`last_failure` + AND `gcontact`.`network` IN (%s) + ORDER BY rand() LIMIT %d, %d", intval($uid), intval($uid), + intval($uid), + $sql_network, intval($start), intval($limit) ); + $list = array(); + foreach ($r2 AS $suggestion) + $list[$suggestion["nurl"]] = $suggestion; + + foreach ($r AS $suggestion) + $list[$suggestion["nurl"]] = $suggestion; - return array_merge($r,$r2); + while (sizeof($list) > ($limit)) + array_pop($list); + return $list; } function update_suggestions() { @@ -272,33 +1244,240 @@ function update_suggestions() { $done = array(); - poco_load(0,0,$a->get_baseurl() . '/poco'); + // To-Do: Check if it is really neccessary to poll the own server + poco_load(0,0,0,$a->get_baseurl() . '/poco'); $done[] = $a->get_baseurl() . '/poco'; - if(strlen(get_config('system','directory_submit_url'))) { - $x = fetch_url('http://dir.friendica.com/pubsites'); + if(strlen(get_config('system','directory'))) { + $x = fetch_url(get_server()."/pubsites"); if($x) { $j = json_decode($x); if($j->entries) { foreach($j->entries as $entry) { + + poco_check_server($entry->url); + $url = $entry->url . '/poco'; if(! in_array($url,$done)) - poco_load(0,0,$entry->url . '/poco'); + poco_load(0,0,0,$entry->url . '/poco'); } } } } - $r = q("select distinct(poco) as poco from contact where network = '%s'", - dbesc(NETWORK_DFRN) + // Query your contacts from Friendica and Redmatrix/Hubzilla for their contacts + $r = q("SELECT DISTINCT(`poco`) AS `poco` FROM `contact` WHERE `network` IN ('%s', '%s')", + dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA) ); if(count($r)) { foreach($r as $rr) { $base = substr($rr['poco'],0,strrpos($rr['poco'],'/')); if(! in_array($base,$done)) - poco_load(0,0,$base); + poco_load(0,0,0,$base); + } + } +} + +function poco_discover_federation() { + $last = get_config('poco','last_federation_discovery'); + + if($last) { + $next = $last + (24 * 60 * 60); + if($next > time()) + return; + } + + $serverdata = fetch_url("http://the-federation.info/pods.json"); + + if (!$serverdata) + return; + + $servers = json_decode($serverdata); + + foreach($servers->pods AS $server) + poco_check_server("https://".$server->host); + + set_config('poco','last_federation_discovery', time()); + +} + +function poco_discover($complete = false) { + + // Update the server list + poco_discover_federation(); + + $no_of_queries = 5; + + $requery_days = intval(get_config("system", "poco_requery_days")); + + if ($requery_days == 0) + $requery_days = 7; + + $last_update = date("c", time() - (60 * 60 * 24 * $requery_days)); + + $r = q("SELECT `poco`, `nurl`, `url`, `network` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `poco` != '' AND `last_poco_query` < '%s' ORDER BY RAND()", dbesc($last_update)); + if ($r) + foreach ($r AS $server) { + + if (!poco_check_server($server["url"], $server["network"])) { + // The server is not reachable? Okay, then we will try it later + q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"])); + continue; + } + + // Fetch all users from the other server + $url = $server["poco"]."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,generation"; + + logger("Fetch all users from the server ".$server["nurl"], LOGGER_DEBUG); + + $retdata = z_fetch_url($url); + if ($retdata["success"]) { + $data = json_decode($retdata["body"]); + + poco_discover_server($data, 2); + + if (get_config('system','poco_discovery') > 1) { + + $timeframe = get_config('system','poco_discovery_since'); + if ($timeframe == 0) + $timeframe = 30; + + $updatedSince = date("Y-m-d H:i:s", time() - $timeframe * 86400); + + // Fetch all global contacts from the other server (Not working with Redmatrix and Friendica versions before 3.3) + $url = $server["poco"]."/@global?updatedSince=".$updatedSince."&fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,generation"; + + $success = false; + + $retdata = z_fetch_url($url); + if ($retdata["success"]) { + logger("Fetch all global contacts from the server ".$server["nurl"], LOGGER_DEBUG); + $success = poco_discover_server(json_decode($retdata["body"])); + } + + if (!$success AND (get_config('system','poco_discovery') > 2)) { + logger("Fetch contacts from users of the server ".$server["nurl"], LOGGER_DEBUG); + poco_discover_server_users($data, $server); + } + } + + q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"])); + if (!$complete AND (--$no_of_queries == 0)) + break; + } else { + // If the server hadn't replied correctly, then force a sanity check + poco_check_server($server["url"], $server["network"], true); + + // If we couldn't reach the server, we will try it some time later + q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"])); + } + } +} + +function poco_discover_server_users($data, $server) { + + if (!isset($data->entry)) + return; + + foreach ($data->entry AS $entry) { + $username = ""; + if (isset($entry->urls)) { + foreach($entry->urls as $url) + if($url->type == 'profile') { + $profile_url = $url->value; + $urlparts = parse_url($profile_url); + $username = end(explode("/", $urlparts["path"])); + } + } + if ($username != "") { + logger("Fetch contacts for the user ".$username." from the server ".$server["nurl"], LOGGER_DEBUG); + + // Fetch all contacts from a given user from the other server + $url = $server["poco"]."/".$username."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,generation"; + + $retdata = z_fetch_url($url); + if ($retdata["success"]) + poco_discover_server(json_decode($retdata["body"]), 3); + } + } +} + +function poco_discover_server($data, $default_generation = 0) { + + if (!isset($data->entry) OR !count($data->entry)) + return false; + + $success = false; + + foreach ($data->entry AS $entry) { + $profile_url = ''; + $profile_photo = ''; + $connect_url = ''; + $name = ''; + $network = ''; + $updated = '0000-00-00 00:00:00'; + $location = ''; + $about = ''; + $keywords = ''; + $gender = ''; + $generation = $default_generation; + + $name = $entry->displayName; + + if(isset($entry->urls)) { + foreach($entry->urls as $url) { + if($url->type == 'profile') { + $profile_url = $url->value; + continue; + } + if($url->type == 'webfinger') { + $connect_url = str_replace('acct:' , '', $url->value); + continue; + } + } + } + + if(isset($entry->photos)) { + foreach($entry->photos as $photo) { + if($photo->type == 'profile') { + $profile_photo = $photo->value; + continue; + } + } + } + + if(isset($entry->updated)) + $updated = date("Y-m-d H:i:s", strtotime($entry->updated)); + + if(isset($entry->network)) + $network = $entry->network; + + if(isset($entry->currentLocation)) + $location = $entry->currentLocation; + + if(isset($entry->aboutMe)) + $about = html2bbcode($entry->aboutMe); + + if(isset($entry->gender)) + $gender = $entry->gender; + + if(isset($entry->generation) AND ($entry->generation > 0)) + $generation = ++$entry->generation; + + if(isset($entry->tags)) + foreach($entry->tags as $tag) + $keywords = implode(", ", $tag); + + if ($generation > 0) { + $success = true; + + logger("Store profile ".$profile_url, LOGGER_DEBUG); + poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, 0, 0, 0); + logger("Done for profile ".$profile_url, LOGGER_DEBUG); } } + return $success; } +?>