get_curl_code(), LOGGER_DEBUG); if (($a->get_curl_code() > 299) || (! $s)) return; $j = json_decode($s); logger('poco_load: json: ' . print_r($j,true),LOGGER_DATA); if (! isset($j->entry)) return; $total = 0; foreach ($j->entry as $entry) { $total ++; $profile_url = ''; $profile_photo = ''; $connect_url = ''; $name = ''; $network = ''; $updated = NULL_DATE; $location = ''; $about = ''; $keywords = ''; $gender = ''; $contact_type = -1; $generation = 0; $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) && ($entry->generation > 0)) { $generation = ++$entry->generation; } if (isset($entry->tags)) { foreach ($entry->tags as $tag) { $keywords = implode(", ", $tag); } } if (isset($entry->contactType) && ($entry->contactType >= 0)) $contact_type = $entry->contactType; $gcontact = array("url" => $profile_url, "name" => $name, "network" => $network, "photo" => $profile_photo, "about" => $about, "location" => $location, "gender" => $gender, "keywords" => $keywords, "connect" => $connect_url, "updated" => $updated, "contact-type" => $contact_type, "generation" => $generation); try { $gcontact = sanitize_gcontact($gcontact); $gcid = update_gcontact($gcontact); link_gcontact($gcid, $uid, $cid, $zcid); } catch (Exception $e) { logger($e->getMessage(), LOGGER_DEBUG); } } 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) ); } /** * @brief Sanitize the given gcontact data * * @param array $gcontact array with gcontact data * @throw Exception * * Generation: * 0: No definition * 1: Profiles on this server * 2: Contacts of profiles on this server * 3: Contacts of contacts of profiles on this server * 4: ... * */ function sanitize_gcontact($gcontact) { if ($gcontact['url'] == "") { throw new Exception('URL is empty'); } $urlparts = parse_url($gcontact['url']); if (!isset($urlparts["scheme"])) { throw new Exception("This (".$gcontact['url'].") doesn't seem to be an url."); } if (in_array($urlparts["host"], array("www.facebook.com", "facebook.com", "twitter.com", "identi.ca", "alpha.app.net"))) { throw new Exception('Contact from a non federated network ignored. ('.$gcontact['url'].')'); } // 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 ($gcontact['network'] == NETWORK_STATUSNET) { $gcontact['network'] = ""; } // Assure that there are no parameter fragments in the profile url if (in_array($gcontact['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) { $gcontact['url'] = clean_contact_url($gcontact['url']); } $alternate = poco_alternate_ostatus_url($gcontact['url']); // The global contacts should contain the original picture, not the cached one if (($gcontact['generation'] != 1) && stristr(normalise_link($gcontact['photo']), normalise_link(App::get_baseurl()."/photo/"))) { $gcontact['photo'] = ""; } if (!isset($gcontact['network'])) { $r = q("SELECT `network` FROM `contact` WHERE `uid` = 0 AND `nurl` = '%s' AND `network` != '' AND `network` != '%s' LIMIT 1", dbesc(normalise_link($gcontact['url'])), dbesc(NETWORK_STATUSNET) ); if (dbm::is_result($r)) { $gcontact['network'] = $r[0]["network"]; } if (($gcontact['network'] == "") || ($gcontact['network'] == NETWORK_OSTATUS)) { $r = q("SELECT `network`, `url` FROM `contact` WHERE `uid` = 0 AND `alias` IN ('%s', '%s') AND `network` != '' AND `network` != '%s' LIMIT 1", dbesc($gcontact['url']), dbesc(normalise_link($gcontact['url'])), dbesc(NETWORK_STATUSNET) ); if (dbm::is_result($r)) { $gcontact['network'] = $r[0]["network"]; } } } $gcontact['server_url'] = ''; $gcontact['network'] = ''; $x = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1", dbesc(normalise_link($gcontact['url'])) ); if (count($x)) { if (!isset($gcontact['network']) && ($x[0]["network"] != NETWORK_STATUSNET)) { $gcontact['network'] = $x[0]["network"]; } if ($gcontact['updated'] <= NULL_DATE) { $gcontact['updated'] = $x[0]["updated"]; } if (!isset($gcontact['server_url']) && (normalise_link($x[0]["server_url"]) != normalise_link($x[0]["url"]))) { $gcontact['server_url'] = $x[0]["server_url"]; } if (!isset($gcontact['addr'])) { $gcontact['addr'] = $x[0]["addr"]; } } if ((!isset($gcontact['network']) || !isset($gcontact['name']) || !isset($gcontact['addr']) || !isset($gcontact['photo']) || !isset($gcontact['server_url']) || $alternate) && poco_reachable($gcontact['url'], $gcontact['server_url'], $gcontact['network'], false)) { $data = Probe::uri($gcontact['url']); if ($data["network"] == NETWORK_PHANTOM) { throw new Exception('Probing for URL '.$gcontact['url'].' failed'); } $orig_profile = $gcontact['url']; $gcontact["server_url"] = $data["baseurl"]; $gcontact = array_merge($gcontact, $data); if ($alternate && ($gcontact['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($r[0]["id"])); } } } if (!isset($gcontact['name']) || !isset($gcontact['photo'])) { throw new Exception('No name and photo for URL '.$gcontact['url']); } if (!in_array($gcontact['network'], array(NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA))) { throw new Exception('No federated network ('.$gcontact['network'].') detected for URL '.$gcontact['url']); } if (!isset($gcontact['server_url'])) { // We check the server url to be sure that it is a real one $server_url = poco_detect_server($gcontact['url']); // We are now sure that it is a correct URL. So we use it in the future if ($server_url != "") { $gcontact['server_url'] = $server_url; } } // The server URL doesn't seem to be valid, so we don't store it. if (!poco_check_server($gcontact['server_url'], $gcontact['network'])) { $gcontact['server_url'] = ""; } return $gcontact; } /** * @brief Link the gcontact entry with user, contact and global contact * * @param integer $gcid Global contact ID * @param integer $cid Contact ID * @param integer $uid User ID * @param integer $zcid Global Contact ID * * */ function link_gcontact($gcid, $uid = 0, $cid = 0, $zcid = 0) { if ($gcid <= 0) { return; } $r = q("SELECT * FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d LIMIT 1", intval($cid), intval($uid), intval($gcid), intval($zcid) ); if (!dbm::is_result($r)) { q("INSERT INTO `glink` (`cid`, `uid`, `gcid`, `zcid`, `updated`) VALUES (%d, %d, %d, %d, '%s') ", intval($cid), intval($uid), intval($gcid), intval($zcid), 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) ); } } 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; $network = NETWORK_DFRN; } } if ($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; $network = NETWORK_DIASPORA; } } // Mastodon if ($server_url == "") { $mastodon = preg_replace("=(https?://)(.*)/users/(.*)=ism", "$1$2", $profile); if ($mastodon != $profile) { $server_url = $mastodon; $network = NETWORK_OSTATUS; } } // Numeric OStatus variant if ($server_url == "") { $ostatus = preg_replace("=(https?://)(.*)/user/(.*)=ism", "$1$2", $profile); if ($ostatus != $profile) { $server_url = $ostatus; $network = NETWORK_OSTATUS; } } // Wild guess if ($server_url == "") { $base = preg_replace("=(https?://)(.*?)/(.*)=ism", "$1$2", $profile); if ($base != $profile) { $server_url = $base; $network = NETWORK_PHANTOM; } } if ($server_url == "") { return ""; } $r = q("SELECT `id` FROM `gserver` WHERE `nurl` = '%s' AND `last_contact` > `last_failure`", dbesc(normalise_link($server_url))); if (dbm::is_result($r)) { return $server_url; } // Fetch the host-meta to check if this really is a server $serverret = z_fetch_url($server_url."/.well-known/host-meta"); if (!$serverret["success"]) { return ""; } 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 (!dbm::is_result($gcontacts)) { return false; } $contact = array("url" => $profile); if ($gcontacts[0]["created"] <= NULL_DATE) { $contact['created'] = datetime_convert(); } if ($force) { $server_url = normalise_link(poco_detect_server($profile)); } if (($server_url == '') && ($gcontacts[0]["server_url"] != "")) { $server_url = $gcontacts[0]["server_url"]; } if (!$force && (($server_url == '') || ($gcontacts[0]["server_url"] == $gcontacts[0]["nurl"]))) { $server_url = normalise_link(poco_detect_server($profile)); } if (!in_array($gcontacts[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_FEED, NETWORK_OSTATUS, ""))) { logger("Profile ".$profile.": Network type ".$gcontacts[0]["network"]." can't be checked", LOGGER_DEBUG); return false; } if ($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($profile))); } logger("Profile ".$profile.": Server ".$server_url." wasn't reachable.", LOGGER_DEBUG); return false; } $contact['server_url'] = $server_url; } if (in_array($gcontacts[0]["network"], array("", NETWORK_FEED))) { $server = q("SELECT `network` FROM `gserver` WHERE `nurl` = '%s' AND `network` != ''", dbesc(normalise_link($server_url))); if ($server) { $contact['network'] = $server[0]["network"]; } else { return false; } } // noscrape is really fast so we don't cache the call. if (($server_url != "") && ($gcontacts[0]["nick"] != "")) { // Use noscrape if possible $server = q("SELECT `noscrape`, `network` FROM `gserver` WHERE `nurl` = '%s' AND `noscrape` != ''", dbesc(normalise_link($server_url))); if ($server) { $noscraperet = z_fetch_url($server[0]["noscrape"]."/".$gcontacts[0]["nick"]); if ($noscraperet["success"] && ($noscraperet["body"] != "")) { $noscrape = json_decode($noscraperet["body"], true); if (is_array($noscrape)) { $contact["network"] = $server[0]["network"]; if (isset($noscrape["fn"])) { $contact["name"] = $noscrape["fn"]; } if (isset($noscrape["comm"])) { $contact["community"] = $noscrape["comm"]; } if (isset($noscrape["tags"])) { $keywords = implode(" ", $noscrape["tags"]); if ($keywords != "") { $contact["keywords"] = $keywords; } } $location = formatted_location($noscrape); if ($location) { $contact["location"] = $location; } if (isset($noscrape["dfrn-notify"])) { $contact["notify"] = $noscrape["dfrn-notify"]; } // Remove all fields that are not present in the gcontact table unset($noscrape["fn"]); unset($noscrape["key"]); unset($noscrape["homepage"]); unset($noscrape["comm"]); unset($noscrape["tags"]); unset($noscrape["locality"]); unset($noscrape["region"]); unset($noscrape["country-name"]); unset($noscrape["contacts"]); unset($noscrape["dfrn-request"]); unset($noscrape["dfrn-confirm"]); unset($noscrape["dfrn-notify"]); unset($noscrape["dfrn-poll"]); // Set the date of the last contact /// @todo By now the function "update_gcontact" doesn't work with this field //$contact["last_contact"] = datetime_convert(); $contact = array_merge($contact, $noscrape); update_gcontact($contact); if (trim($noscrape["updated"]) != "") { q("UPDATE `gcontact` SET `last_contact` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc(normalise_link($profile))); logger("Profile ".$profile." was last updated at ".$noscrape["updated"]." (noscrape)", LOGGER_DEBUG); return $noscrape["updated"]; } } } } } // If we only can poll the feed, then we only do this once a while if (!$force && !poco_do_update($gcontacts[0]["created"], $gcontacts[0]["updated"], $gcontacts[0]["last_failure"], $gcontacts[0]["last_contact"])) { logger("Profile ".$profile." was last updated at ".$gcontacts[0]["updated"]." (cached)", LOGGER_DEBUG); update_gcontact($contact); return $gcontacts[0]["updated"]; } $data = Probe::uri($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 (($data["network"] == NETWORK_OSTATUS) && poco_alternate_ostatus_url($profile) && (normalise_link($profile) == normalise_link($data["alias"])) && (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"])); $gcontact = array_merge($gcontacts[0], $data); $gcontact["server_url"] = $data["baseurl"]; try { $gcontact = sanitize_gcontact($gcontact); update_gcontact($gcontact); poco_last_updated($data["url"], $force); } catch (Exception $e) { logger($e->getMessage(), LOGGER_DEBUG); } logger("Profile ".$profile." was deleted", LOGGER_DEBUG); return false; } if (($data["poll"] == "") || (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))); logger("Profile ".$profile." wasn't reachable (profile)", LOGGER_DEBUG); return false; } $contact = array_merge($contact, $data); $contact["server_url"] = $data["baseurl"]; update_gcontact($contact); $feedret = z_fetch_url($data["poll"]); if (!$feedret["success"]) { q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc(normalise_link($profile))); logger("Profile ".$profile." wasn't reachable (no feed)", LOGGER_DEBUG); 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) { $last_updated = NULL_DATE; } } q("UPDATE `gcontact` SET `updated` = '%s', `last_contact` = '%s' WHERE `nurl` = '%s'", dbesc(dbm::date($last_updated)), dbesc(dbm::date()), dbesc(normalise_link($profile))); if (($gcontacts[0]["generation"] == 0)) { q("UPDATE `gcontact` SET `generation` = 9 WHERE `nurl` = '%s'", dbesc(normalise_link($profile))); } logger("Profile ".$profile." was last updated at ".$last_updated, LOGGER_DEBUG); return($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 - $contact_time) < (60 * 60 * 24 * 7)) && ($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 - $contact_time) > (60 * 60 * 24 * 7)) && (($now - $created_time) > (60 * 60 * 24 * 7)) && (($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 - $contact_time) > (60 * 60 * 24 * 30)) && (($now - $created_time) > (60 * 60 * 24 * 30)) && (($now - $failure_time) < (60 * 60 * 24 * 30))) return false; return true; } function poco_to_boolean($val) { if (($val == "true") || ($val == 1)) return(true); if (($val == "false") || ($val == 0)) return(false); return ($val); } /** * @brief Detect server type (Hubzilla or Friendica) via the poco data * * @param object $data POCO data * @return array Server data */ function poco_detect_poco_data($data) { $server = false; if (!isset($data->entry)) { return false; } if (count($data->entry) == 0) { return false; } if (!isset($data->entry[0]->urls)) { return false; } if (count($data->entry[0]->urls) == 0) { return false; } foreach ($data->entry[0]->urls AS $url) { if ($url->type == 'zot') { $server = array(); $server["platform"] = 'Hubzilla'; $server["network"] = NETWORK_DIASPORA; return $server; } } return false; } /** * @brief Detect server type by using the nodeinfo data * * @param string $server_url address of the server * @return array Server data */ function poco_fetch_nodeinfo($server_url) { $serverret = z_fetch_url($server_url."/.well-known/nodeinfo"); if (!$serverret["success"]) { return false; } $nodeinfo = json_decode($serverret['body']); if (!is_object($nodeinfo)) { return false; } if (!is_array($nodeinfo->links)) { return false; } $nodeinfo_url = ''; foreach ($nodeinfo->links AS $link) { if ($link->rel == 'http://nodeinfo.diaspora.software/ns/schema/1.0') { $nodeinfo_url = $link->href; } } if ($nodeinfo_url == '') { return false; } $serverret = z_fetch_url($nodeinfo_url); if (!$serverret["success"]) { return false; } $nodeinfo = json_decode($serverret['body']); if (!is_object($nodeinfo)) { return false; } $server = array(); $server['register_policy'] = REGISTER_CLOSED; if (is_bool($nodeinfo->openRegistrations) && $nodeinfo->openRegistrations) { $server['register_policy'] = REGISTER_OPEN; } if (is_object($nodeinfo->software)) { if (isset($nodeinfo->software->name)) { $server['platform'] = $nodeinfo->software->name; } if (isset($nodeinfo->software->version)) { $server['version'] = $nodeinfo->software->version; // Version numbers on Nodeinfo are presented with additional info, e.g.: // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191. $server['version'] = preg_replace("=(.+)-(.{4,})=ism", "$1", $server['version']); } } if (is_object($nodeinfo->metadata)) { if (isset($nodeinfo->metadata->nodeName)) { $server['site_name'] = $nodeinfo->metadata->nodeName; } } $diaspora = false; $friendica = false; $gnusocial = false; if (is_array($nodeinfo->protocols->inbound)) { foreach ($nodeinfo->protocols->inbound AS $inbound) { if ($inbound == 'diaspora') { $diaspora = true; } if ($inbound == 'friendica') { $friendica = true; } if ($inbound == 'gnusocial') { $gnusocial = true; } } } if ($gnusocial) { $server['network'] = NETWORK_OSTATUS; } if ($diaspora) { $server['network'] = NETWORK_DIASPORA; } if ($friendica) { $server['network'] = NETWORK_DFRN; } if (!$server) { return false; } return $server; } /** * @brief Detect server type (Hubzilla or Friendica) via the front page body * * @param string $body Front page of the server * @return array Server data */ function poco_detect_server_type($body) { $server = false; $doc = new DOMDocument(); @$doc->loadHTML($body); $xpath = new DomXPath($doc); $list = $xpath->query("//meta[@name]"); foreach ($list as $node) { $attr = array(); if ($node->attributes->length) { foreach ($node->attributes as $attribute) { $attr[$attribute->name] = $attribute->value; } } if ($attr['name'] == 'generator') { $version_part = explode(" ", $attr['content']); if (count($version_part) == 2) { if (in_array($version_part[0], array("Friendika", "Friendica"))) { $server = array(); $server["platform"] = $version_part[0]; $server["version"] = $version_part[1]; $server["network"] = NETWORK_DFRN; } } } } if (!$server) { $list = $xpath->query("//meta[@property]"); foreach ($list as $node) { $attr = array(); if ($node->attributes->length) { foreach ($node->attributes as $attribute) { $attr[$attribute->name] = $attribute->value; } } if ($attr['property'] == 'generator') { if (in_array($attr['content'], array("hubzilla", "BlaBlaNet"))) { $server = array(); $server["platform"] = $attr['content']; $server["version"] = ""; $server["network"] = NETWORK_DIASPORA; } } } } if (!$server) { return false; } $server["site_name"] = $xpath->evaluate($element."//head/title/text()", $context)->item(0)->nodeValue; return $server; } function poco_check_server($server_url, $network = "", $force = false) { // Unify the server address $server_url = trim($server_url, "/"); $server_url = str_replace("/index.php", "", $server_url); if ($server_url == "") return false; $servers = q("SELECT * FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url))); if (dbm::is_result($servers)) { if ($servers[0]["created"] <= NULL_DATE) { 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 && !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 = NULL_DATE; $last_failure = NULL_DATE; } logger("Server ".$server_url." is outdated or unknown. Start discovery. Force: ".$force." Created: ".$servers[0]["created"]." Failure: ".$last_failure." Contact: ".$last_contact, LOGGER_DEBUG); $failure = false; $possible_failure = false; $orig_last_failure = $last_failure; $orig_last_contact = $last_contact; // Check if the page is accessible via SSL. $orig_server_url = $server_url; $server_url = str_replace("http://", "https://", $server_url); // We set the timeout to 20 seconds since this operation should be done in no time if the server was vital $serverret = z_fetch_url($server_url."/.well-known/host-meta", false, $redirects, array('timeout' => 20)); // Quit if there is a timeout. // But we want to make sure to only quit if we are mostly sure that this server url fits. if (dbm::is_result($servers) && ($orig_server_url == $server_url) && ($serverret['errno'] == CURLE_OPERATION_TIMEDOUT)) { logger("Connection to server ".$server_url." timed out.", LOGGER_DEBUG); dba::p("UPDATE `gserver` SET `last_failure` = ? WHERE `nurl` = ?", datetime_convert(), normalise_link($server_url)); return false; } // 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 (!$serverret["success"] || ($serverret["body"] == "") || (@sizeof($xmlobj) == 0) || !is_object($xmlobj)) { $server_url = str_replace("https://", "http://", $server_url); // We set the timeout to 20 seconds since this operation should be done in no time if the server was vital $serverret = z_fetch_url($server_url."/.well-known/host-meta", false, $redirects, array('timeout' => 20)); // Quit if there is a timeout if ($serverret['errno'] == CURLE_OPERATION_TIMEDOUT) { logger("Connection to server ".$server_url." timed out.", LOGGER_DEBUG); dba::p("UPDATE `gserver` SET `last_failure` = ? WHERE `nurl` = ?", datetime_convert(), normalise_link($server_url)); return false; } $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0"); } if (!$serverret["success"] || ($serverret["body"] == "") || (sizeof($xmlobj) == 0) || !is_object($xmlobj)) { // Workaround for bad configured servers (known nginx problem) if (!in_array($serverret["debug"]["http_code"], array("403", "404"))) { $failure = true; } $possible_failure = true; } // If the server has no possible failure we reset the cached data if (!$possible_failure) { $version = ""; $platform = ""; $site_name = ""; $info = ""; $register_policy = -1; } // Look for poco if (!$failure) { $serverret = z_fetch_url($server_url."/poco"); if ($serverret["success"]) { $data = json_decode($serverret["body"]); if (isset($data->totalResults)) { $poco = $server_url."/poco"; $server = poco_detect_poco_data($data); if ($server) { $platform = $server['platform']; $network = $server['network']; $version = ''; $site_name = ''; } } } } if (!$failure) { // Test for Diaspora, Hubzilla, Mastodon or older Friendica servers $serverret = z_fetch_url($server_url); if (!$serverret["success"] || ($serverret["body"] == "")) { $failure = true; } else { $server = poco_detect_server_type($serverret["body"]); if ($server) { $platform = $server['platform']; $network = $server['network']; $version = $server['version']; $site_name = $server['site_name']; } $lines = explode("\n",$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; $versionparts = explode("-", $version); $version = $versionparts[0]; } if (stristr($line,'Server: Mastodon')) { $platform = "Mastodon"; $network = NETWORK_OSTATUS; } } } } } if (!$failure && ($poco == "")) { // 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 ($serverret["success"] && ($serverret["body"] != '{"error":"not implemented"}') && ($serverret["body"] != '') && (strlen($serverret["body"]) < 30)) { $platform = "StatusNet"; // Remove junk that some GNU Social servers return $version = str_replace(chr(239).chr(187).chr(191), "", $serverret["body"]); $version = trim($version, '"'); $network = NETWORK_OSTATUS; } // Test for GNU Social $serverret = z_fetch_url($server_url."/api/gnusocial/version.json"); if ($serverret["success"] && ($serverret["body"] != '{"error":"not implemented"}') && ($serverret["body"] != '') && (strlen($serverret["body"]) < 30)) { $platform = "GNU Social"; // Remove junk that some GNU Social servers return $version = str_replace(chr(239).chr(187).chr(191), "", $serverret["body"]); $version = trim($version, '"'); $network = NETWORK_OSTATUS; } // Test for Mastodon $serverret = z_fetch_url($server_url."/api/v1/instance"); if ($serverret["success"] && ($serverret["body"] != '')) { $data = json_decode($serverret["body"]); if (isset($data->version)) { $platform = "Mastodon"; $version = $data->version; $site_name = $data->title; $info = $data->description; $network = NETWORK_OSTATUS; } } } if (!$failure) { // Test for Hubzilla, Redmatrix or Friendica $serverret = z_fetch_url($server_url."/api/statusnet/config.json"); if ($serverret["success"]) { $data = json_decode($serverret["body"]); if (isset($data->site->server)) { if (isset($data->site->platform)) { $platform = $data->site->platform->PLATFORM_NAME; $version = $data->site->platform->STD_VERSION; $network = NETWORK_DIASPORA; } if (isset($data->site->BlaBlaNet)) { $platform = $data->site->BlaBlaNet->PLATFORM_NAME; $version = $data->site->BlaBlaNet->STD_VERSION; $network = NETWORK_DIASPORA; } if (isset($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 (!$data->site->closed && !$data->site->private and $data->site->inviteonly) { $register_policy = REGISTER_APPROVE; } elseif (!$data->site->closed && !$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 (isset($data->version)) { $version = $data->version; // Version numbers on statistics.json are presented with additional info, e.g.: // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191. $version = preg_replace("=(.+)-(.{4,})=ism", "$1", $version); } $site_name = $data->name; if (isset($data->network)) { $platform = $data->network; } if ($platform == "Diaspora") { $network = NETWORK_DIASPORA; } if ($data->registrations_open) { $register_policy = REGISTER_OPEN; } else { $register_policy = REGISTER_CLOSED; } } } // Query nodeinfo. Working for (at least) Diaspora and Friendica. if (!$failure) { $server = poco_fetch_nodeinfo($server_url); if ($server) { $register_policy = $server['register_policy']; if (isset($server['platform'])) { $platform = $server['platform']; } if (isset($server['network'])) { $network = $server['network']; } if (isset($server['version'])) { $version = $server['version']; } if (isset($server['site_name'])) { $site_name = $server['site_name']; } } } // Check for noscrape // Friendica servers could be detected as OStatus servers if (!$failure && 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)) { $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": $register_policy = REGISTER_OPEN; break; } } } } if ($possible_failure && !$failure) { $failure = true; } if ($failure) { $last_contact = $orig_last_contact; $last_failure = datetime_convert(); } else { $last_contact = datetime_convert(); $last_failure = $orig_last_failure; } if (($last_contact <= $last_failure) && !$failure) { logger("Server ".$server_url." seems to be alive, but last contact wasn't set - could be a bug", LOGGER_DEBUG); } else if (($last_contact >= $last_failure) && $failure) { logger("Server ".$server_url." seems to be dead, but last failure wasn't set - could be a bug", LOGGER_DEBUG); } // Check again if the server exists $servers = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url))); $version = strip_tags($version); $site_name = strip_tags($site_name); $info = strip_tags($info); $platform = strip_tags($platform); 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($server_url)) ); } elseif (!$failure) { 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 count_common_friends($uid,$cid) { $r = q("SELECT count(*) as `total` FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id` WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`)) AND `gcontact`.`nurl` IN (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d ) ", intval($cid), intval($uid), intval($uid), intval($cid) ); // logger("count_common_friends: $uid $cid {$r[0]['total']}"); if (dbm::is_result($r)) return $r[0]['total']; return 0; } function common_friends($uid,$cid,$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`.*, `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($cid), intval($start), intval($limit) ); /// @TODO Check all calling-findings of this function if they properly use dbm::is_result() 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($uid) ); if (dbm::is_result($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) ); /// @TODO Check all calling-findings of this function if they properly use dbm::is_result() return $r; } function count_all_friends($uid,$cid) { $r = q("SELECT count(*) as `total` FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id` where `glink`.`cid` = %d and `glink`.`uid` = %d AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))", intval($cid), intval($uid) ); if (dbm::is_result($r)) { return $r[0]['total']; } return 0; } function all_friends($uid,$cid,$start = 0, $limit = 80) { $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid` FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id` LEFT JOIN `contact` ON `contact`.`nurl` = `gcontact`.`nurl` AND `contact`.`uid` = %d WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`)) ORDER BY `gcontact`.`name` ASC LIMIT %d, %d ", intval($uid), intval($cid), intval($uid), intval($start), intval($limit) ); /// @TODO Check all calling-findings of this function if they properly use dbm::is_result() return $r; } function suggestion_query($uid, $start = 0, $limit = 80) { if (!$uid) { return array(); } // Uncommented because the result of the queries are to big to store it in the cache. // We need to decide if we want to change the db column type or if we want to delete it. // $list = Cache::get("suggestion_query:".$uid.":".$start.":".$limit); // if (!is_null($list)) { // return $list; // } $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."'"; /// @todo This query is really slow // By now we cache the data for five minutes $r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id` where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d ) AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d) AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d) AND `gcontact`.`updated` >= '%s' AND `gcontact`.`last_contact` >= `gcontact`.`last_failure` AND `gcontact`.`network` IN (%s) GROUP BY `glink`.`gcid` ORDER BY `gcontact`.`updated` DESC,`total` DESC LIMIT %d, %d", intval($uid), intval($uid), intval($uid), intval($uid), dbesc(NULL_DATE), $sql_network, intval($start), intval($limit) ); if (dbm::is_result($r) && count($r) >= ($limit -1)) { // Uncommented because the result of the queries are to big to store it in the cache. // We need to decide if we want to change the db column type or if we want to delete it. // Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $r, CACHE_FIVE_MINUTES); return $r; } $r2 = q("SELECT gcontact.* FROM gcontact INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id` WHERE `glink`.`uid` = 0 AND `glink`.`cid` = 0 AND `glink`.`zcid` = 0 AND NOT `gcontact`.`nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` = %d) AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d) AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d) AND `gcontact`.`updated` >= '%s' AND `gcontact`.`last_contact` >= `gcontact`.`last_failure` AND `gcontact`.`network` IN (%s) ORDER BY rand() LIMIT %d, %d", intval($uid), intval($uid), intval($uid), dbesc(NULL_DATE), $sql_network, intval($start), intval($limit) ); $list = array(); foreach ($r2 AS $suggestion) { $list[$suggestion["nurl"]] = $suggestion; } foreach ($r AS $suggestion) { $list[$suggestion["nurl"]] = $suggestion; } while (sizeof($list) > ($limit)) { array_pop($list); } // Uncommented because the result of the queries are to big to store it in the cache. // We need to decide if we want to change the db column type or if we want to delete it. // Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $list, CACHE_FIVE_MINUTES); return $list; } function update_suggestions() { $a = get_app(); $done = array(); /// @TODO Check if it is really neccessary to poll the own server poco_load(0,0,0,App::get_baseurl() . '/poco'); $done[] = App::get_baseurl() . '/poco'; 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,$done)) { poco_load(0,0,0,$entry->url . '/poco'); } } } } } // Query your contacts from Friendica and Redmatrix/Hubzilla for their contacts $r = q("SELECT DISTINCT(`poco`) AS `poco` FROM `contact` WHERE `network` IN ('%s', '%s')", dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA) ); if (dbm::is_result($r)) { foreach ($r as $rr) { $base = substr($rr['poco'],0,strrpos($rr['poco'],'/')); if (! in_array($base,$done)) { poco_load(0,0,0,$base); } } } } /** * @brief Fetch server list from remote servers and adds them when they are new. * * @param string $poco URL to the POCO endpoint */ function poco_fetch_serverlist($poco) { $serverret = z_fetch_url($poco."/@server"); if (!$serverret["success"]) { return; } $serverlist = json_decode($serverret['body']); if (!is_array($serverlist)) { return; } foreach ($serverlist AS $server) { $server_url = str_replace("/index.php", "", $server->url); $r = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url))); if (!dbm::is_result($r)) { logger("Call server check for server ".$server_url, LOGGER_DEBUG); proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode($server_url)); } } } function poco_discover_federation() { $last = get_config('poco','last_federation_discovery'); if ($last) { $next = $last + (24 * 60 * 60); if ($next > time()) { return; } } // Discover Friendica, Hubzilla and Diaspora servers $serverdata = fetch_url("http://the-federation.info/pods.json"); if ($serverdata) { $servers = json_decode($serverdata); foreach ($servers->pods AS $server) { proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode("https://".$server->host)); } } // Disvover Mastodon servers if (!Config::get('system','ostatus_disabled')) { $serverdata = fetch_url("https://instances.mastodon.xyz/instances.json"); if ($serverdata) { $servers = json_decode($serverdata); foreach ($servers AS $server) { $url = (is_null($server->https_score) ? 'http' : 'https').'://'.$server->name; proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode($url)); } } } // Currently disabled, since the service isn't available anymore. // It is not removed since I hope that there will be a successor. // Discover GNU Social Servers. //if (!get_config('system','ostatus_disabled')) { // $serverdata = "http://gstools.org/api/get_open_instances/"; // $result = z_fetch_url($serverdata); // if ($result["success"]) { // $servers = json_decode($result["body"]); // foreach($servers->data AS $server) // poco_check_server($server->instance_address); // } //} set_config('poco','last_federation_discovery', time()); } function poco_discover_single_server($id) { $r = q("SELECT `poco`, `nurl`, `url`, `network` FROM `gserver` WHERE `id` = %d", intval($id)); if (!dbm::is_result($r)) { return false; } $server = $r[0]; // Discover new servers out there (Works from Friendica version 3.5.2) poco_fetch_serverlist($server["poco"]); // Fetch all users from the other server $url = $server["poco"]."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation"; logger("Fetch all users from the server ".$server["url"], 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,contactType,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 (!$success && (get_config('system','poco_discovery') > 2)) { logger("Fetch contacts from users of the server ".$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"])); return true; } 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"])); return false; } } 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)); $r = q("SELECT `id`, `url`, `network` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `poco` != '' AND `last_poco_query` < '%s' ORDER BY RAND()", dbesc($last_update)); if (dbm::is_result($r)) { foreach ($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; } logger('Update directory from server '.$server['url'].' with ID '.$server['id'], LOGGER_DEBUG); proc_run(PRIORITY_LOW, "include/discover_poco.php", "update_server_directory", intval($server['id'])); if (!$complete && (--$no_of_queries == 0)) { break; } } } } function poco_discover_server_users($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,contactType,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) || !count($data->entry)) { return false; } $success = false; foreach ($data->entry AS $entry) { $profile_url = ''; $profile_photo = ''; $connect_url = ''; $name = ''; $network = ''; $updated = NULL_DATE; $location = ''; $about = ''; $keywords = ''; $gender = ''; $contact_type = -1; $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) && ($entry->generation > 0)) { $generation = ++$entry->generation; } if(isset($entry->contactType) && ($entry->contactType >= 0)) { $contact_type = $entry->contactType; } if (isset($entry->tags)) { foreach ($entry->tags as $tag) { $keywords = implode(", ", $tag); } } if ($generation > 0) { $success = true; logger("Store profile ".$profile_url, LOGGER_DEBUG); $gcontact = array("url" => $profile_url, "name" => $name, "network" => $network, "photo" => $profile_photo, "about" => $about, "location" => $location, "gender" => $gender, "keywords" => $keywords, "connect" => $connect_url, "updated" => $updated, "contact-type" => $contact_type, "generation" => $generation); try { $gcontact = sanitize_gcontact($gcontact); update_gcontact($gcontact); } catch (Exception $e) { logger($e->getMessage(), LOGGER_DEBUG); } logger("Done for profile ".$profile_url, LOGGER_DEBUG); } } return $success; } /** * @brief Removes unwanted parts from a contact url * * @param string $url Contact url * @return string Contact url with the wanted parts */ function clean_contact_url($url) { $parts = parse_url($url); if (!isset($parts["scheme"]) || !isset($parts["host"])) { return $url; } $new_url = $parts["scheme"]."://".$parts["host"]; if (isset($parts["port"])) { $new_url .= ":".$parts["port"]; } if (isset($parts["path"])) { $new_url .= $parts["path"]; } if ($new_url != $url) { logger("Cleaned contact url ".$url." to ".$new_url." - Called by: ".App::callstack(), LOGGER_DEBUG); } return $new_url; } /** * @brief Replace alternate OStatus user format with the primary one * * @param arr $contact contact array (called by reference) */ function fix_alternate_contact_address(&$contact) { if (($contact["network"] == NETWORK_OSTATUS) && poco_alternate_ostatus_url($contact["url"])) { $data = probe_url($contact["url"]); if ($contact["network"] == NETWORK_OSTATUS) { logger("Fix primary url from ".$contact["url"]." to ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG); $contact["url"] = $data["url"]; $contact["addr"] = $data["addr"]; $contact["alias"] = $data["alias"]; $contact["server_url"] = $data["baseurl"]; } } } /** * @brief Fetch the gcontact id, add an entry if not existed * * @param arr $contact contact array * @return bool|int Returns false if not found, integer if contact was found */ function get_gcontact_id($contact) { $gcontact_id = 0; $doprobing = false; if (in_array($contact["network"], array(NETWORK_PHANTOM))) { logger("Invalid network for contact url ".$contact["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG); return false; } if ($contact["network"] == NETWORK_STATUSNET) { $contact["network"] = NETWORK_OSTATUS; } // All new contacts are hidden by default if (!isset($contact["hide"])) { $contact["hide"] = true; } // Replace alternate OStatus user format with the primary one fix_alternate_contact_address($contact); // Remove unwanted parts from the contact url (e.g. "?zrl=...") if (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) { $contact["url"] = clean_contact_url($contact["url"]); } dba::lock('gcontact'); $r = q("SELECT `id`, `last_contact`, `last_failure`, `network` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1", dbesc(normalise_link($contact["url"]))); if (dbm::is_result($r)) { $gcontact_id = $r[0]["id"]; // Update every 90 days if (in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) { $last_failure_str = $r[0]["last_failure"]; $last_failure = strtotime($r[0]["last_failure"]); $last_contact_str = $r[0]["last_contact"]; $last_contact = strtotime($r[0]["last_contact"]); $doprobing = (((time() - $last_contact) > (90 * 86400)) && ((time() - $last_failure) > (90 * 86400))); } } else { q("INSERT INTO `gcontact` (`name`, `nick`, `addr` , `network`, `url`, `nurl`, `photo`, `created`, `updated`, `location`, `about`, `hide`, `generation`) VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d)", dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["addr"]), dbesc($contact["network"]), dbesc($contact["url"]), dbesc(normalise_link($contact["url"])), dbesc($contact["photo"]), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc($contact["location"]), dbesc($contact["about"]), intval($contact["hide"]), intval($contact["generation"]) ); $r = q("SELECT `id`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 2", dbesc(normalise_link($contact["url"]))); if (dbm::is_result($r)) { $gcontact_id = $r[0]["id"]; $doprobing = in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, "")); } } dba::unlock(); if ($doprobing) { logger("Last Contact: ". $last_contact_str." - Last Failure: ".$last_failure_str." - Checking: ".$contact["url"], LOGGER_DEBUG); proc_run(PRIORITY_LOW, 'include/gprobe.php', bin2hex($contact["url"])); } return $gcontact_id; } /** * @brief Updates the gcontact table from a given array * * @param arr $contact contact array * @return bool|int Returns false if not found, integer if contact was found */ function update_gcontact($contact) { // Check for invalid "contact-type" value if (isset($contact['contact-type']) && (intval($contact['contact-type']) < 0)) { $contact['contact-type'] = 0; } /// @todo update contact table as well $gcontact_id = get_gcontact_id($contact); if (!$gcontact_id) { return false; } $r = q("SELECT `name`, `nick`, `photo`, `location`, `about`, `addr`, `generation`, `birthday`, `gender`, `keywords`, `contact-type`, `hide`, `nsfw`, `network`, `alias`, `notify`, `server_url`, `connect`, `updated`, `url` FROM `gcontact` WHERE `id` = %d LIMIT 1", intval($gcontact_id)); // Get all field names $fields = array(); foreach ($r[0] AS $field => $data) { $fields[$field] = $data; } unset($fields["url"]); unset($fields["updated"]); unset($fields["hide"]); // Bugfix: We had an error in the storing of keywords which lead to the "0" // This value is still transmitted via poco. if ($contact["keywords"] == "0") { unset($contact["keywords"]); } if ($r[0]["keywords"] == "0") { $r[0]["keywords"] = ""; } // assign all unassigned fields from the database entry foreach ($fields as $field => $data) if (!isset($contact[$field]) || ($contact[$field] == "")) { $contact[$field] = $r[0][$field]; } } if (!isset($contact["hide"])) { $contact["hide"] = $r[0]["hide"]; } $fields["hide"] = $r[0]["hide"]; if ($contact["network"] == NETWORK_STATUSNET) { $contact["network"] = NETWORK_OSTATUS; } // Replace alternate OStatus user format with the primary one fix_alternate_contact_address($contact); if (!isset($contact["updated"])) { $contact["updated"] = dbm::date(); } if ($contact["server_url"] == "") { $server_url = $contact["url"]; $server_url = matching_url($server_url, $contact["alias"]); if ($server_url != "") { $contact["server_url"] = $server_url; } $server_url = matching_url($server_url, $contact["photo"]); if ($server_url != "") { $contact["server_url"] = $server_url; } $server_url = matching_url($server_url, $contact["notify"]); if ($server_url != "") { $contact["server_url"] = $server_url; } } else { $contact["server_url"] = normalise_link($contact["server_url"]); } if (($contact["addr"] == "") && ($contact["server_url"] != "") && ($contact["nick"] != "")) { $hostname = str_replace("http://", "", $contact["server_url"]); $contact["addr"] = $contact["nick"]."@".$hostname; } // Check if any field changed $update = false; unset($fields["generation"]); if ((($contact["generation"] > 0) && ($contact["generation"] <= $r[0]["generation"])) || ($r[0]["generation"] == 0)) { foreach ($fields AS $field => $data) { if ($contact[$field] != $r[0][$field]) { logger("Difference for contact ".$contact["url"]." in field '".$field."'. New value: '".$contact[$field]."', old value '".$r[0][$field]."'", LOGGER_DEBUG); $update = true; } } if ($contact["generation"] < $r[0]["generation"]) { logger("Difference for contact ".$contact["url"]." in field 'generation'. new value: '".$contact["generation"]."', old value '".$r[0]["generation"]."'", LOGGER_DEBUG); $update = true; } } if ($update) { logger("Update gcontact for ".$contact["url"], LOGGER_DEBUG); q("UPDATE `gcontact` SET `photo` = '%s', `name` = '%s', `nick` = '%s', `addr` = '%s', `network` = '%s', `birthday` = '%s', `gender` = '%s', `keywords` = '%s', `hide` = %d, `nsfw` = %d, `contact-type` = %d, `alias` = '%s', `notify` = '%s', `url` = '%s', `location` = '%s', `about` = '%s', `generation` = %d, `updated` = '%s', `server_url` = '%s', `connect` = '%s' WHERE `nurl` = '%s' AND (`generation` = 0 OR `generation` >= %d)", dbesc($contact["photo"]), dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["addr"]), dbesc($contact["network"]), dbesc($contact["birthday"]), dbesc($contact["gender"]), dbesc($contact["keywords"]), intval($contact["hide"]), intval($contact["nsfw"]), intval($contact["contact-type"]), dbesc($contact["alias"]), dbesc($contact["notify"]), dbesc($contact["url"]), dbesc($contact["location"]), dbesc($contact["about"]), intval($contact["generation"]), dbesc(dbm::date($contact["updated"])), dbesc($contact["server_url"]), dbesc($contact["connect"]), dbesc(normalise_link($contact["url"])), intval($contact["generation"])); // Now update the contact entry with the user id "0" as well. // This is used for the shadow copies of public items. $r = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = 0 ORDER BY `id` LIMIT 1", dbesc(normalise_link($contact["url"]))); if (dbm::is_result($r)) { logger("Update shadow contact ".$r[0]["id"], LOGGER_DEBUG); update_contact_avatar($contact["photo"], 0, $r[0]["id"]); q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s', `network` = '%s', `bd` = '%s', `gender` = '%s', `keywords` = '%s', `alias` = '%s', `contact-type` = %d, `url` = '%s', `location` = '%s', `about` = '%s' WHERE `id` = %d", dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["addr"]), dbesc($contact["network"]), dbesc($contact["birthday"]), dbesc($contact["gender"]), dbesc($contact["keywords"]), dbesc($contact["alias"]), intval($contact["contact-type"]), dbesc($contact["url"]), dbesc($contact["location"]), dbesc($contact["about"]), intval($r[0]["id"])); } } return $gcontact_id; } /** * @brief Updates the gcontact entry from probe * * @param str $url profile link */ function update_gcontact_from_probe($url) { $data = probe_url($url); if (in_array($data["network"], array(NETWORK_PHANTOM))) { logger("Invalid network for contact url ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG); return; } $data["server_url"] = $data["baseurl"]; update_gcontact($data); } /** * @brief Update the gcontact entry for a given user id * * @param int $uid User ID */ function update_gcontact_for_user($uid) { $r = q("SELECT `profile`.`locality`, `profile`.`region`, `profile`.`country-name`, `profile`.`name`, `profile`.`about`, `profile`.`gender`, `profile`.`pub_keywords`, `profile`.`dob`, `profile`.`photo`, `profile`.`net-publish`, `user`.`nickname`, `user`.`hidewall`, `contact`.`notify`, `contact`.`url`, `contact`.`addr` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid` INNER JOIN `contact` ON `contact`.`uid` = `profile`.`uid` WHERE `profile`.`uid` = %d AND `profile`.`is-default` AND `contact`.`self`", intval($uid)); $location = formatted_location(array("locality" => $r[0]["locality"], "region" => $r[0]["region"], "country-name" => $r[0]["country-name"])); // The "addr" field was added in 3.4.3 so it can be empty for older users if ($r[0]["addr"] != "") $addr = $r[0]["nickname"].'@'.str_replace(array("http://", "https://"), "", App::get_baseurl()); else $addr = $r[0]["addr"]; $gcontact = array("name" => $r[0]["name"], "location" => $location, "about" => $r[0]["about"], "gender" => $r[0]["gender"], "keywords" => $r[0]["pub_keywords"], "birthday" => $r[0]["dob"], "photo" => $r[0]["photo"], "notify" => $r[0]["notify"], "url" => $r[0]["url"], "hide" => ($r[0]["hidewall"] || !$r[0]["net-publish"]), "nick" => $r[0]["nickname"], "addr" => $addr, "connect" => $addr, "server_url" => App::get_baseurl(), "generation" => 1, "network" => NETWORK_DFRN); update_gcontact($gcontact); } /** * @brief Fetches users of given GNU Social server * * If the "Statistics" plugin is enabled (See http://gstools.org/ for details) we query user data with this. * * @param str $server Server address */ function gs_fetch_users($server) { logger("Fetching users from GNU Social server ".$server, LOGGER_DEBUG); $url = $server."/main/statistics"; $result = z_fetch_url($url); if (!$result["success"]) return false; $statistics = json_decode($result["body"]); if (is_object($statistics->config)) { if ($statistics->config->instance_with_ssl) $server = "https://"; else $server = "http://"; $server .= $statistics->config->instance_address; $hostname = $statistics->config->instance_address; } else { if ($statistics->instance_with_ssl) $server = "https://"; else $server = "http://"; $server .= $statistics->instance_address; $hostname = $statistics->instance_address; } if (is_object($statistics->users)) foreach ($statistics->users AS $nick => $user) { $profile_url = $server."/".$user->nickname; $contact = array("url" => $profile_url, "name" => $user->fullname, "addr" => $user->nickname."@".$hostname, "nick" => $user->nickname, "about" => $user->bio, "network" => NETWORK_OSTATUS, "photo" => App::get_baseurl()."/images/person-175.jpg"); get_gcontact_id($contact); } } /** * @brief Asking GNU Social server on a regular base for their user data * */ function gs_discover() { $requery_days = intval(get_config("system", "poco_requery_days")); $last_update = date("c", time() - (60 * 60 * 24 * $requery_days)); $r = q("SELECT `nurl`, `url` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `network` = '%s' AND `last_poco_query` < '%s' ORDER BY RAND() LIMIT 5", dbesc(NETWORK_OSTATUS), dbesc($last_update)); if (!$r) return; foreach ($r AS $server) { gs_fetch_users($server["url"]); q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"])); } } /** * @brief Returns a list of all known servers * @return array List of server urls */ function poco_serverlist() { $r = q("SELECT `url`, `site_name` AS `displayName`, `network`, `platform`, `version` FROM `gserver` WHERE `network` IN ('%s', '%s', '%s') AND `last_contact` > `last_failure` ORDER BY `last_contact` LIMIT 1000", dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS)); if (!dbm::is_result($r)) { return false; } return $r; }