pull.php 18.4 KB
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<?php
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/**
 * Pull pod info.
 */

declare(strict_types=1);
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if (!in_array(PHP_SAPI, ['cgi-fcgi', 'cli'])) {
    $referer = ($_SERVER['HTTP_REFERER'] ? parse_url($_SERVER['HTTP_REFERER'])['host'] : '');
    if ($referer !== $_SERVER['SERVER_NAME']) {
        header('HTTP/1.0 403 Forbidden');
        exit;
    }
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}

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use Carbon\Carbon;
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use DetectLanguage\DetectLanguage;
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use GeoIp2\Database\Reader;
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use Poduptime\PodStatus;
use RedBeanPHP\R;
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$debug    = isset($_GET['debug']) || (isset($argv) && in_array('debug', $argv, true));
$sqldebug = isset($_GET['sqldebug']) || (isset($argv) && in_array('sqldebug', $argv, true));
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$develop  = isset($_GET['develop']) || (isset($argv) && in_array('develop', $argv, true));
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$write    = !(isset($_GET['nowrite']) || (isset($argv) && in_array('nowrite', $argv, true)));
$newline  = PHP_SAPI === 'cli' ? "\n\n" : '<br><br>';
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$_domain = $_GET['domain'] ?? null;

// Must have a domain, except if called from CLI.
$_domain || PHP_SAPI === 'cli' || die('No valid input');
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require_once __DIR__ . '/../boot.php';
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$sqldebug && R::fancyDebug(true);
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try {
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    // Setup GeoIP Database
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    $reader = new Reader(c('geoip2db'));
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    $sql = '
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        SELECT domain, score, date_created, weight, podmin_notify, email, masterversion, shortversion, status, detectedlanguage
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        FROM pods
    ';

    $pods = [];
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    if ($_domain) {
        $sql  .= ' WHERE domain = ?';
        $pods = R::getAll($sql, [$_domain]);
    } elseif (PHP_SAPI === 'cli' && (isset($argv) && in_array('Check_System_Deleted', $argv, true))) {
        $sql  .= ' WHERE status = ?';
        $pods = R::getAll($sql, [PodStatus::SYSTEM_DELETED]);
    } elseif (PHP_SAPI === 'cli') {
        $sql  .= ' WHERE status < ?';
        $pods = R::getAll($sql, [PodStatus::PAUSED]);
    }
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} catch (\RedBeanPHP\RedException $e) {
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    die('Error in SQL query: ' . $e->getMessage());
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} catch (\MaxMind\Db\Reader\InvalidDatabaseException $e) {
    die('Invalid GeoIP database: ' . $e->getMessage());
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}
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foreach ($pods as $pod) {
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    $domain    = $pod['domain'];
    $score     = (int) $pod['score'];
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    $dbscore   = $score;
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    $dateadded = $pod['date_created'];
    $weight    = $pod['weight'];
    $email     = $pod['email'];
    $notify    = $pod['podmin_notify'];
    $masterv   = $pod['masterversion'];
    $shortv    = $pod['shortversion'];
    $dbstatus  = $pod['status'];
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    $language  = $pod['detectedlanguage'];
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    try {
        $ratings = R::getAll('
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            SELECT rating
            FROM ratingcomments
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            WHERE domain = ?
        ', [$domain]);
    } catch (\RedBeanPHP\RedException $e) {
        die('Error in SQL query: ' . $e->getMessage());
    }
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    _debug('Domain', $domain);
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    $user_rating = 0;
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    if ($user_ratings = array_column($ratings, 'rating')) {
        $user_rating = round(array_sum($user_ratings) / count($user_ratings), 2);
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    }
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    $nodeinfo_meta = _curl("https://{$domain}/.well-known/nodeinfo");
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    // Default link to fetch node info.
    $nodeinfo_url = "https://{$domain}/nodeinfo/1.0";
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    if (!isset($nodeinfo_meta['error'])) {
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        $info         = json_decode($nodeinfo_meta['body'], true);
        $nodeinfo_url = max($info['links'])['href'];
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    }

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    _debug('Nodeinfo link', $nodeinfo_url);
    $nodeinfo = _curl($nodeinfo_url);
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    $outputssl      = $nodeinfo['body'];
    $outputsslerror = $nodeinfo['error'];
    $info           = $nodeinfo['info'];
    $conntime       = $nodeinfo['conntime'];
    $nstime         = $nodeinfo['nstime'];
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    $latency        = $conntime - $nstime;
    $sslexpire      = $info[0]['Expire date'] ?? null;

    _debug('Nodeinfo output', $outputssl, true);
    _debug('Nodeinfo output error', $outputsslerror, true);
    _debug('Cert expire date', $sslexpire);
    _debug('Conntime', $conntime);
    _debug('NStime', $nstime);
    _debug('Latency', $latency);

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    $jsonssl = ($outputssl ? json_decode($outputssl) : null);
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    if ($jsonssl !== null) {
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        $version = $jsonssl->software->version ?? 0;
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        preg_match_all('((?:\d(.|-)?)+(\.)\d+\.*)', $version, $sversion);
        $shortversion          = $sversion[0][0] ?? '0.0.0.0';
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        $signup                = ($jsonssl->openRegistrations ?? false) === true;
        $softwarename          = $jsonssl->software->name ?? 'unknown';
        $name                  = $jsonssl->metadata->nodeName ?? $softwarename;
        $total_users           = $jsonssl->usage->users->total ?? 0;
        $active_users_halfyear = $jsonssl->usage->users->activeHalfyear ?? 0;
        $active_users_monthly  = $jsonssl->usage->users->activeMonth ?? 0;
        $local_posts           = $jsonssl->usage->localPosts ?? 0;
        $comment_counts        = $jsonssl->usage->localComments ?? 0;
        $service_xmpp          = ($jsonssl->metadata->xmppChat ?? false) === true;
        $service_facebook      = false;
        $service_twitter       = false;
        $service_tumblr        = false;
        $service_wordpress     = false;
        if (json_last_error() === 0) {
            (!$jsonssl->software->version) || $score += 1;
            if (is_array($jsonssl->services->outbound)) {
                $service_facebook  = in_array('facebook', $jsonssl->services->outbound, true);
                $service_twitter   = in_array('twitter', $jsonssl->services->outbound, true);
                $service_tumblr    = in_array('tumblr', $jsonssl->services->outbound, true);
                $service_wordpress = in_array('wordpress', $jsonssl->services->outbound, true);
            }
        }
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        try {
            $c                   = R::dispense('checks');
            $c['domain']         = $domain;
            $c['online']         = true;
            $c['latency']        = $latency;
            $c['total_users']    = $total_users;
            $c['local_posts']    = $local_posts;
            $c['comment_counts'] = $comment_counts;
            $c['shortversion']   = $shortversion;
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            $c['version']        = $version;
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            if ($write) {
                R::store($c);
            } else {
                echo $c;
            }
        } catch (\RedBeanPHP\RedException $e) {
            die('Error in SQL query: ' . $e->getMessage());
        }

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        _debug('Version code', $shortversion);

        try {
            $masterdata = R::getRow('
                SELECT version, devlastcommit, releasedate
                FROM masterversions
                WHERE software = ?
                ORDER BY id
                DESC LIMIT 1
            ', [$softwarename]);
        } catch (\RedBeanPHP\RedException $e) {
            die('Error in SQL query: ' . $e->getMessage());
        }

        $masterversion = ($masterdata['version'] ?? '0.0.0.0');
        $devlastcommit = ($masterdata['devlastcommit'] ?? date('Y-m-d H:i:s'));
        $releasedate   = ($masterdata['releasedate'] ?? date('Y-m-d H:i:s'));
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        _debug('Masterversion', $masterversion);
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        $masterversioncheck = explode('.', $masterversion);
        $shortversioncheck  = (strpos($shortversion, '.') ? explode('.', $shortversion) : implode('.', ['0', preg_replace('/\D/', '', $shortversion), '0']));
        //this is still off with a pod with v1 as total version. cant explode that, won't have a [0] or [1] later to use either

        _debug('Days since master code release', date_diff(new DateTime($releasedate), new DateTime())->format('%d'));

        try {
            $lastpodupdates = R::getRow('
                SELECT DISTINCT ON (shortversion, date_checked) shortversion, date_checked
                FROM checks
                WHERE domain = ?
                    AND shortversion IS NOT NULL
                ORDER BY shortversion DESC, date_checked
                LIMIT 1
            ', [$domain]);
        } catch (\RedBeanPHP\RedException $e) {
            die('Error in SQL query: ' . $e->getMessage());
        }

        $lastdatechecked = ($lastpodupdates['date_checked'] ?? date('Y-m-d H:i:s'));
        $devlastdays     = $devlastcommit ? date_diff(new DateTime($devlastcommit), new DateTime())->format('%a') : 30;//tmp//if no dev branch then what?

        _debug('Dev last commit was  ', $devlastdays);
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        $updategap = date_diff(new DateTime($lastdatechecked), new DateTime($devlastcommit))->format('%a');

        if (strpos($version, 'dev') !== false || strpos($version, 'rc') !== false || $shortversioncheck > $masterversioncheck) {
            //tmp//if pod is on the development branch - see when you last updated your pod and when the last commit was made to dev branch - if the repo is active and your not updating every 120 days why are you on dev branch?

            if ($updategap + $devlastdays > 400) {
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                _debug('Outdated More than 400 days', 'Yes');

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                $score -= 2;
            }
        } elseif (($masterversioncheck[1] - $shortversioncheck[1]) > 1) {
            ///tmp/If pod is two versions off AND it's been more than 60 days since that release came out AND your on the master production branch
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            _debug('Outdated second decimal > 1', 'Yes');

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            $score     -= 2;
            $updategap = date_diff(new DateTime($lastdatechecked), new DateTime($releasedate))->format('%a');
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        } elseif ($updategap - date_diff(new DateTime($releasedate), new DateTime())->format('%a') > 400) {

            _debug('Outdated more than 400 days since x ', 'Yes');

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            $score     -= 2;
            $updategap = date_diff(new DateTime($lastdatechecked), new DateTime($releasedate))->format('%a');
        } else {
            $updategap = date_diff(new DateTime($lastdatechecked), new DateTime($releasedate))->format('%a');
        }

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        _debug('Pod code was updated after ', $updategap);
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        $status = PodStatus::UP;
    }

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    // Default to the already saved language.
    $detectedlanguage = $language;
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    $language_snippet = getWebsiteLanguageSnippetFromUrl("https://{$domain}/");
    if (!$language_snippet) {
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        $detectedlanguage = null;
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        --$score;
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    } elseif ($debug || Carbon::now()->hour === 12) {
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        $detectedlanguage = detectWebsiteLanguageFromSnippet($language_snippet);
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    }

    _debug('Detected Language', $detectedlanguage);

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    if (!$jsonssl || !$language_snippet) {
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        _debug('Connection', 'Can not connect to pod');

        try {
            $c            = R::dispense('checks');
            $c['domain']  = $domain;
            $c['online']  = false;
            $c['error']   = $outputsslerror;
            $c['latency'] = $latency;
            if ($write) {
                R::store($c);
            } else {
                echo $c;
            }
        } catch (\RedBeanPHP\RedException $e) {
            die('Error in SQL query: ' . $e->getMessage());
        }

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        --$score;
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        $status = PodStatus::DOWN;
    }

    _debug('Signup Open', $signup);

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    $dnsserver = c('dnsserver') ?: '1.1.1.1';
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    $delv      = new NPM\Xec\Command("delv @{$dnsserver} {$domain}");
    $delv->throwExceptionOnError(false);

    $ip         = '';
    $iplookupv4 = explode(PHP_EOL, trim($delv->execute([], null, 15)->stdout));
    $dnssec     = in_array('; fully validated', $iplookupv4, true) ?? false;
    $getaonly   = array_values(preg_grep('/\s+IN\s+A\s+.*/', $iplookupv4));
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    if ($getaonly) {
        preg_match('/A\s(.*)/', $getaonly[0], $aversion);
        $ip = trim($aversion[1]) ?? '';
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    }
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    $ip || $score -= 2;

    $iplookupv6 = explode(PHP_EOL, trim($delv->execute(['AAAA'], null, 15)->stdout));
    $ipv6       = (bool) preg_grep('/\s+IN\s+AAAA\s+.*/', $iplookupv6);
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    _debug('IPv4', $ip);
    _debug('IPv6', $ipv6);
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    if ($ip) {
        $geo         = $reader->city($ip);
        $countryname = ($geo->country->name ?? null) ?: null;
        $country     = ($geo->country->isoCode ?? null) ?: null;
        $city        = ($geo->city->name ?? null) ?: null;
        $state       = ($geo->mostSpecificSubdivision->name ?? null) ?: null;
        $lat         = ($geo->location->latitude ?? null) ?: 0;
        $long        = ($geo->location->longitude ?? null) ?: 0;
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        _debug('Location', json_encode($geo->raw), true);
    }
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    echo $newline;
    $statslastdate = date('Y-m-d H:i:s');

    $diff   = (new DateTime())->diff(new DateTime($dateadded));
    $months = $diff->m + ($diff->y * 12);
    $days   = $diff->days;
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    try {
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        $checks = R::getRow('
            SELECT
                round(avg(latency) * 1000) AS latency,
                round(avg(online::INT) * 100, 2) AS online
            FROM checks
            WHERE domain = ?
        ', [$domain]);

        $avglatency = $checks['latency'] ?? 0;
        $uptime     = $checks['online'] ?? 0;
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    } catch (\RedBeanPHP\RedException $e) {
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        die('Error in SQL query: ' . $e->getMessage());
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    }

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    _debug('Uptime', $uptime);
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    if ($score == 49 && $notify && !$develop && $dbscore == 50) {
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        $to      = $email;
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        $headers = ['From: ' . c('adminemail'), 'Bcc: ' . c('adminemail')];
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        $subject = 'Monitoring notice from poduptime';
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        $message = 'Notice for ' . $domain . '. Your score is ' . $score . ' and your pod will fall off the list soon.';
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        @mail($to, $subject, $message, implode("\r\n", $headers));
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        _debug('Mail Notice', 'sent to ' . $email);
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    }
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    if ($score > 100) {
        $score = 100;
    } elseif ($score < 0) {
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        $score  = 0;
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        $status = PodStatus::SYSTEM_DELETED;
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    }
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    $weightedscore = ($uptime + $score - (10 - $weight)) / 2;
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    _debug('Score', $score);
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    _debug('Weighted Score', $weightedscore);
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    try {
        $p                     = R::findOne('pods', 'domain = ?', [$domain]);
        $p['ip']               = $ip;
        $p['ipv6']             = $ipv6;
        $p['daysmonitored']    = $days;
        $p['monthsmonitored']  = $months;
        $p['uptime_alltime']   = $uptime;
        $p['status']           = $status;
        $p['date_laststats']   = $statslastdate;
        $p['date_updated']     = date('Y-m-d H:i:s');
        $p['latency']          = $avglatency;
        $p['score']            = $score;
        $p['country']          = $country;
        $p['countryname']      = $countryname;
        $p['city']             = $city;
        $p['state']            = $state;
        $p['lat']              = $lat;
        $p['long']             = $long;
        $p['detectedlanguage'] = $detectedlanguage;
        $p['userrating']       = $user_rating;
        $p['masterversion']    = $masterversion;
        $p['weightedscore']    = $weightedscore;
        $p['sslvalid']         = $outputsslerror;
        $p['dnssec']           = $dnssec;
        $p['sslexpire']        = $sslexpire;
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        if ($dbstatus == PodStatus::UP && $status == PodStatus::UP) {
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            $p['shortversion']          = $shortversion;
            $p['signup']                = $signup;
            $p['total_users']           = $total_users;
            $p['active_users_halfyear'] = $active_users_halfyear;
            $p['active_users_monthly']  = $active_users_monthly;
            $p['local_posts']           = $local_posts;
            $p['name']                  = $name;
            $p['comment_counts']        = $comment_counts;
            $p['service_facebook']      = $service_facebook;
            $p['service_tumblr']        = $service_tumblr;
            $p['service_twitter']       = $service_twitter;
            $p['service_wordpress']     = $service_wordpress;
            $p['service_xmpp']          = $service_xmpp;
            $p['softwarename']          = $softwarename;
        }

        if ($write) {
            R::store($p);
        } else {
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            echo 'Data not saved, testing only';
            echo $newline;
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        }
    } catch (\RedBeanPHP\RedException $e) {
        die('Error in SQL query: ' . $e->getMessage());
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    }
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    echo 'Success ' . $domain;
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    echo $newline;
    echo $newline;
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}
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/**
 * Output a debug message and variable value
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 *
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 * @param string $label
 * @param mixed  $var
 * @param bool   $dump
 */
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function _debug($label, $var = null, $dump = false)
{
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    global $debug, $newline;
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    if (!$debug) {
        return;
    }
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    $output = (string) $var;
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    if ($dump || is_array($var)) {
        $output = print_r($var, true);
    } elseif (is_bool($var)) {
        $output = $var ? 'true' : 'false';
    }
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    printf('%s: %s%s', $label, $output, $newline);
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}
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/**
 * Execute cURL request and return array of data.
 *
 * @param string $url
 *
 * @return array
 */
function _curl(string $url): array
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{
    $chss = curl_init();
    curl_setopt($chss, CURLOPT_URL, $url);
    curl_setopt($chss, CURLOPT_CONNECTTIMEOUT, 10);
    curl_setopt($chss, CURLOPT_TIMEOUT, 20);
    curl_setopt($chss, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($chss, CURLOPT_CERTINFO, 1);
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    curl_setopt($chss, CURLOPT_CAINFO, c('cafullpath'));
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    $data = [
        'body'     => curl_exec($chss),
        'error'    => curl_error($chss),
        'info'     => curl_getinfo($chss, CURLINFO_CERTINFO),
        'conntime' => curl_getinfo($chss, CURLINFO_CONNECT_TIME),
        'nstime'   => curl_getinfo($chss, CURLINFO_NAMELOOKUP_TIME),
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    ];
    curl_close($chss);
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    return $data;
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}
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/**
 * Get a language snippet from a given URL.
 *
 * @param string $url
 *
 * @return null|string
 */
function getWebsiteLanguageSnippetFromUrl(string $url): ?string
{
    $curl = _curl($url);

    if (!$curl['body']) {
        return null;
    }

    libxml_use_internal_errors(true);

    $d = new DOMDocument;
    $d->loadHTML($curl['body']);

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    $snippet = $d->getElementsByTagName('title')->item(0)->textContent ?? '';

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    for ($type = 1; $type < 6; $type++) {
        foreach ($d->getElementsByTagName('h' . $type) as $h) {
            // Ignore possibly generic "JavaScript required" texts.
            if (stripos($h->textContent, 'javascript') === false) {
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                $snippet .= ' ' . $h->textContent;
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            }
        }
    }
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    // Get descriptions of meta tags.
    foreach ($d->getElementsByTagName('meta') as $meta) {
        if (strtolower($meta->getAttribute('name')) === 'description') {
            $snippet .= ' ' . $meta->getAttribute('value');
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        }
    }
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    return $snippet;
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}

/**
 * Detect the language of the given text snippet.
 *
 * @param string $snippet
 *
 * @return null|string
 */
function detectWebsiteLanguageFromSnippet(string $snippet): ?string
{
    if (!$snippet) {
        return null;
    }

    return DetectLanguage::simpleDetect($snippet);
}

/**
 * Detect the website language of the given URL.
 *
 * @param string $url
 *
 * @return null|string
 */
function detectWebsiteLanguageFromUrl(string $url): ?string
{
    return detectWebsiteLanguageFromSnippet(
        getWebsiteLanguageSnippetFromUrl($url)
    );
}