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Improved server vitality detection

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This commit is contained in:
Michael 2017-02-26 18:19:20 +00:00
parent 86c6c48bd8
commit 2a8a5a6d88
2 changed files with 79 additions and 7 deletions
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80
include/socgraph.php
View file

@ -680,6 +680,43 @@ function poco_to_boolean($val) {
return ($val);
}
function poco_detect_friendica_server($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) {
return false;
}
$server["site_name"] = $xpath->evaluate($element."//head/title/text()", $context)->item(0)->nodeValue;
return $server;
}
function poco_check_server($server_url, $network = "", $force = false) {
// Unify the server address
@ -729,7 +766,9 @@ function poco_check_server($server_url, $network = "", $force = false) {
logger("Server ".$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 is outdated or unknown.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.
$server_url = str_replace("http://", "https://", $server_url);
@ -750,6 +789,7 @@ function poco_check_server($server_url, $network = "", $force = false) {
$last_failure = datetime_convert();
$failure = true;
}
$possible_failure = true;
} elseif ($network == NETWORK_DIASPORA)
$last_contact = datetime_convert();
@ -757,11 +797,12 @@ function poco_check_server($server_url, $network = "", $force = false) {
// Test for Diaspora
$serverret = z_fetch_url($server_url);
if (!$serverret["success"] OR ($serverret["body"] == ""))
if (!$serverret["success"] OR ($serverret["body"] == "")) {
$last_failure = datetime_convert();
$failure = true;
else {
} else {
$lines = explode("\n",$serverret["header"]);
if(count($lines))
if(count($lines)) {
foreach($lines as $line) {
$line = trim($line);
if(stristr($line,'X-Diaspora-Version:')) {
@ -771,6 +812,7 @@ function poco_check_server($server_url, $network = "", $force = false) {
$network = NETWORK_DIASPORA;
$versionparts = explode("-", $version);
$version = $versionparts[0];
$last_contact = datetime_convert();
}
if(stristr($line,'Server: Mastodon')) {
@ -778,8 +820,19 @@ function poco_check_server($server_url, $network = "", $force = false) {
$network = NETWORK_OSTATUS;
// Mastodon doesn't reveal version numbers
$version = "";
$last_contact = datetime_convert();
}
}
}
$friendica_server = poco_detect_friendica_server($serverret["body"]);
if ($friendica_server) {
$platform = $friendica_server['platform'];
$network = $friendica_server['network'];
$version = $friendica_server['version'];
$site_name = $friendica_server['site_name'];
$last_contact = datetime_convert();
}
}
}
@ -793,6 +846,7 @@ function poco_check_server($server_url, $network = "", $force = false) {
$platform = "StatusNet";
$version = trim($serverret["body"], '"');
$network = NETWORK_OSTATUS;
$last_contact = datetime_convert();
}
// Test for GNU Social
@ -802,12 +856,12 @@ function poco_check_server($server_url, $network = "", $force = false) {
$platform = "GNU Social";
$version = trim($serverret["body"], '"');
$network = NETWORK_OSTATUS;
$last_contact = datetime_convert();
}
$serverret = z_fetch_url($server_url."/api/statusnet/config.json");
if ($serverret["success"]) {
$data = json_decode($serverret["body"]);
if (isset($data->site->server)) {
$last_contact = datetime_convert();
@ -847,6 +901,7 @@ function poco_check_server($server_url, $network = "", $force = false) {
}
}
// Query statistics.json. Optional package for Diaspora, Friendica and Redmatrix
if (!$failure) {
$serverret = z_fetch_url($server_url."/statistics.json");
@ -922,6 +977,23 @@ function poco_check_server($server_url, $network = "", $force = false) {
}
}
if ($possible_failure AND !$failure) {
$last_failure = datetime_convert();
$failure = true;
}
if ($failure) {
$last_contact = $orig_last_contact;
} else {
$last_failure = $orig_last_failure;
}
if (($last_contact <= $last_failure) AND !$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) AND $failure) {
logger("Server ".$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)));

6
mod/admin.php
View file

@ -270,8 +270,8 @@ function admin_page_federation(App $a) {
// off one % two of them are needed in the query
// Add more platforms if you like, when one returns 0 known nodes it is not
// displayed on the stats page.
$platforms = array('Friendica', 'Diaspora', '%%red%%', 'Hubzilla', 'BlaBlaNet', 'GNU Social', 'StatusNet', 'Mastodon');
$colors = array('Friendica' => '#ffc018', // orange from the logo
$platforms = array('Friendi%%a', 'Diaspora', '%%red%%', 'Hubzilla', 'BlaBlaNet', 'GNU Social', 'StatusNet', 'Mastodon');
$colors = array('Friendi%%a' => '#ffc018', // orange from the logo
'Diaspora' => '#a1a1a1', // logo is black and white, makes a gray
'%%red%%' => '#c50001', // fire red from the logo
'Hubzilla' => '#43488a', // blue from the logo
@ -333,7 +333,7 @@ function admin_page_federation(App $a) {
// early friendica versions have the format x.x.xxxx where xxxx is the
// DB version stamp; those should be operated out and versions be
// conbined
if($p=='Friendica') {
if($p=='Friendi%%a') {
$newV = array();
$newVv = array();
foreach ($v as $vv) {