Improved server vitality detection
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86c6c48bd8
commit
2a8a5a6d88
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@ -680,6 +680,43 @@ function poco_to_boolean($val) {
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return ($val);
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}
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function poco_detect_friendica_server($body) {
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$server = false;
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$doc = new \DOMDocument();
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@$doc->loadHTML($body);
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$xpath = new \DomXPath($doc);
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$list = $xpath->query("//meta[@name]");
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foreach ($list as $node) {
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$attr = array();
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if ($node->attributes->length) {
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foreach ($node->attributes as $attribute) {
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$attr[$attribute->name] = $attribute->value;
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}
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}
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if ($attr['name'] == 'generator') {
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$version_part = explode(" ", $attr['content']);
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if (count($version_part) == 2) {
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if (in_array($version_part[0], array("Friendika", "Friendica"))) {
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$server = array();
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$server["platform"] = $version_part[0];
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$server["version"] = $version_part[1];
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$server["network"] = NETWORK_DFRN;
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}
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}
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}
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}
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if (!$server) {
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return false;
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}
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$server["site_name"] = $xpath->evaluate($element."//head/title/text()", $context)->item(0)->nodeValue;
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return $server;
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}
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function poco_check_server($server_url, $network = "", $force = false) {
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// Unify the server address
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@ -729,7 +766,9 @@ function poco_check_server($server_url, $network = "", $force = false) {
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logger("Server ".$server_url." is outdated or unknown. Start discovery. Force: ".$force." Created: ".$servers[0]["created"]." Failure: ".$last_failure." Contact: ".$last_contact, LOGGER_DEBUG);
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$failure = false;
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$possible_failure = false;
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$orig_last_failure = $last_failure;
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$orig_last_contact = $last_contact;
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// Check if the page is accessible via SSL.
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$server_url = str_replace("http://", "https://", $server_url);
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@ -750,6 +789,7 @@ function poco_check_server($server_url, $network = "", $force = false) {
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$last_failure = datetime_convert();
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$failure = true;
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}
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$possible_failure = true;
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} elseif ($network == NETWORK_DIASPORA)
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$last_contact = datetime_convert();
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@ -757,11 +797,12 @@ function poco_check_server($server_url, $network = "", $force = false) {
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// Test for Diaspora
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$serverret = z_fetch_url($server_url);
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if (!$serverret["success"] OR ($serverret["body"] == ""))
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if (!$serverret["success"] OR ($serverret["body"] == "")) {
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$last_failure = datetime_convert();
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$failure = true;
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else {
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} else {
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$lines = explode("\n",$serverret["header"]);
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if(count($lines))
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if(count($lines)) {
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foreach($lines as $line) {
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$line = trim($line);
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if(stristr($line,'X-Diaspora-Version:')) {
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@ -771,6 +812,7 @@ function poco_check_server($server_url, $network = "", $force = false) {
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$network = NETWORK_DIASPORA;
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$versionparts = explode("-", $version);
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$version = $versionparts[0];
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$last_contact = datetime_convert();
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}
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if(stristr($line,'Server: Mastodon')) {
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@ -778,8 +820,19 @@ function poco_check_server($server_url, $network = "", $force = false) {
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$network = NETWORK_OSTATUS;
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// Mastodon doesn't reveal version numbers
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$version = "";
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$last_contact = datetime_convert();
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}
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}
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}
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$friendica_server = poco_detect_friendica_server($serverret["body"]);
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if ($friendica_server) {
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$platform = $friendica_server['platform'];
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$network = $friendica_server['network'];
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$version = $friendica_server['version'];
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$site_name = $friendica_server['site_name'];
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$last_contact = datetime_convert();
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}
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}
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}
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@ -793,6 +846,7 @@ function poco_check_server($server_url, $network = "", $force = false) {
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$platform = "StatusNet";
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$version = trim($serverret["body"], '"');
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$network = NETWORK_OSTATUS;
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$last_contact = datetime_convert();
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}
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// Test for GNU Social
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@ -802,12 +856,12 @@ function poco_check_server($server_url, $network = "", $force = false) {
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$platform = "GNU Social";
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$version = trim($serverret["body"], '"');
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$network = NETWORK_OSTATUS;
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$last_contact = datetime_convert();
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}
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$serverret = z_fetch_url($server_url."/api/statusnet/config.json");
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if ($serverret["success"]) {
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$data = json_decode($serverret["body"]);
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if (isset($data->site->server)) {
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$last_contact = datetime_convert();
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@ -847,6 +901,7 @@ function poco_check_server($server_url, $network = "", $force = false) {
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}
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}
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// Query statistics.json. Optional package for Diaspora, Friendica and Redmatrix
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if (!$failure) {
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$serverret = z_fetch_url($server_url."/statistics.json");
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@ -922,6 +977,23 @@ function poco_check_server($server_url, $network = "", $force = false) {
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}
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}
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if ($possible_failure AND !$failure) {
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$last_failure = datetime_convert();
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$failure = true;
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}
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if ($failure) {
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$last_contact = $orig_last_contact;
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} else {
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$last_failure = $orig_last_failure;
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}
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if (($last_contact <= $last_failure) AND !$failure) {
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logger("Server ".$server_url." seems to be alive, but last contact wasn't set - could be a bug", LOGGER_DEBUG);
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} else if (($last_contact >= $last_failure) AND $failure) {
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logger("Server ".$server_url." seems to be dead, but last failure wasn't set - could be a bug", LOGGER_DEBUG);
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}
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// Check again if the server exists
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$servers = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
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@ -270,8 +270,8 @@ function admin_page_federation(App $a) {
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// off one % two of them are needed in the query
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// Add more platforms if you like, when one returns 0 known nodes it is not
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// displayed on the stats page.
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$platforms = array('Friendica', 'Diaspora', '%%red%%', 'Hubzilla', 'BlaBlaNet', 'GNU Social', 'StatusNet', 'Mastodon');
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$colors = array('Friendica' => '#ffc018', // orange from the logo
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$platforms = array('Friendi%%a', 'Diaspora', '%%red%%', 'Hubzilla', 'BlaBlaNet', 'GNU Social', 'StatusNet', 'Mastodon');
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$colors = array('Friendi%%a' => '#ffc018', // orange from the logo
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'Diaspora' => '#a1a1a1', // logo is black and white, makes a gray
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'%%red%%' => '#c50001', // fire red from the logo
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'Hubzilla' => '#43488a', // blue from the logo
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@ -333,7 +333,7 @@ function admin_page_federation(App $a) {
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// early friendica versions have the format x.x.xxxx where xxxx is the
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// DB version stamp; those should be operated out and versions be
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// conbined
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if($p=='Friendica') {
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if($p=='Friendi%%a') {
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$newV = array();
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$newVv = array();
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foreach ($v as $vv) {
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