dir/mod/servers.php

<?php

use Friendica\Directory\Rendering\View;

require_once 'include/site-health.php';

function servers_content(&$a) {
	$sites = array();

	//Find the user count per site.
	$r = q("SELECT `homepage` FROM `profile`");
	if (count($r)) {
		foreach ($r as $rr) {
			$site = parse_site_from_url($rr['homepage']);
			if ($site) {
				if (!isset($sites[$site])) {
					$sites[$site] = 0;
				}
				$sites[$site] ++;
			}
		}
	}

	//See if we have a health for them AND they provide SSL.
	$sites_with_health = array();
	$site_healths = array();

	$r = q("SELECT * FROM `site-health` WHERE `reg_policy`='REGISTER_OPEN' AND `ssl_state` = 1");
	if (count($r)) {
		foreach ($r as $rr) {
			if (isset($sites[$rr['base_url']])) {
				$sites_with_health[$rr['base_url']] = (($sites[$rr['base_url']] / 100) + 10) * intval($rr['health_score']);
				$site_healths[$rr['base_url']] = $rr;
			}
		}
	}

	arsort($sites_with_health);
	$total = 0;
	$public_sites = array();

	foreach ($sites_with_health as $k => $v) {
		//Stop at unhealthy sites.
		$site = $site_healths[$k];

		if ($site['health_score'] <= 20) {
			break;
		}

		//Skip small sites.
		$users = $sites[$k];
		if ($users < 5) {
			continue;
		}

		//Add health score name and user count.
		$site['health_score_name'] = health_score_to_name($site['health_score']);
		$site['users'] = $users;

		//Figure out what this server supports.
		$addons = explode("\r\n", $site['addons']);
		$site['addons'] = $addons;
		$hasAddon = function (array $input) use ($addons) {
			return !!count(array_intersect($input, $addons));
		};

		$site['supports'] = array(
			'HTTPS'         => $site['ssl_state'] == 1,
			'Twitter'       => $hasAddon(array('buffer', 'twitter')),
			'Facebook'      => $hasAddon(array('buffer')),
			'Google+'       => $hasAddon(array('buffer', 'fromgplus')),
			'RSS/Atom'      => true, //Built-in.
			'Diaspora*'     => $hasAddon(array('diaspora')),
			'pump.io'       => $hasAddon(array('pumpio')),
			'StatusNet'     => $hasAddon(array('statusnet')),
			'Tumblr'        => $hasAddon(array('tumblr')),
			'Blogger'       => $hasAddon(array('blogger')),
			'Dreamwidth'    => $hasAddon(array('dwpost')),
			'Wordpress'     => $hasAddon(array('wppost')),
			'LiveJournal'   => $hasAddon(array('ljpost')),
			'Insanejournal' => $hasAddon(array('ijpost')),
			'Libertree'     => $hasAddon(array('libertree'))
		);

		//Subset of the full support list, to show popular items.
		$site['popular_supports'] = array(
			'HTTPS'     => $site['supports']['HTTPS'],
			'Twitter'   => $site['supports']['Twitter'],
			'Google+'   => $site['supports']['Google+'],
			'Wordpress' => $site['supports']['Wordpress']
		);

		//For practical usage.
		$site['less_popular_supports'] = array_diff_assoc($site['supports'], $site['popular_supports']);

		//Get the difference.
		$site['supports_more'] = 0;
		foreach ($site['supports'] as $key => $value) {
			if ($value && !array_key_exists($key, $site['popular_supports'])) {
				$site['supports_more'] ++;
			}
		}

		//Push to results.
		$public_sites[] = $site;

		//Count the result.
		$total ++;
	}

	//In case we asked for a surprise, pick a random one from the top 10! :D
	if ($a->argc > 1 && $a->argv[1] == 'surprise') {
		$max = min(count($public_sites), 10);
		$i = mt_rand(0, $max - 1);
		$surpriseSite = $public_sites[$i];
		header('Location:' . $surpriseSite['base_url'] . '/register');
		exit;
	}

	//Show results.
	$view = new View('servers');

	$view->output(array(
		'total' => number_format($total),
		'sites' => $public_sites
	));

	killme();
}