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path: root/mod/fhublocs.php
blob: 7eab2b811120a4398f823f269ca201823cc0733a (plain) (tree)
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<?php

require_once('include/zot.php');
require_once('include/crypto.php');

/* fix missing or damaged hublocs */

function fhublocs_content(&$a) {
	
	if(! is_site_admin())
		return;

	$o = '';

	$r = q("select * from channel where channel_removed = 0");
	$sitekey = get_config('system','pubkey');
	
	if($r) {
		foreach($r as $rr) {
			$found = false;
			$primary_address = '';
			$x = zot_get_hublocs($rr['channel_hash']);
			if($x) {
				foreach($x as $xx) {
					if($xx['hubloc_url'] === z_root() && $xx['hubloc_sitekey'] === $sitekey) {
						$found = true;
						break;
					}
				}
				if($found) {
					$o .= 'Hubloc exists for ' . $rr['channel_name'] . EOL;
					continue;
				}	
			}
			$y = q("select xchan_addr from xchan where xchan_hash = '%s' limit 1",
				dbesc($rr['channel_hash'])
			);
			if($y)
				$primary_address = $y[0]['xchan_addr'];

			$hub_address = $rr['channel']['channel_address'] . '@' . App::get_hostname();

		
			$primary = (($hub_address === $primary_address) ? 1 : 0);
			if(! $y)
				$primary = 1;

			$m = q("delete from hubloc where hubloc_hash = '%s' and hubloc_url = '%s' ",
				dbesc($rr['channel_hash']),
				dbesc(z_root())
			);

			// Create a verified hub location pointing to this site.

			$h = q("insert into hubloc ( hubloc_guid, hubloc_guid_sig, hubloc_hash, hubloc_addr, hubloc_primary, hubloc_url, hubloc_url_sig, hubloc_host, hubloc_callback, hubloc_sitekey, hubloc_network )
				values ( '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s' )",
				dbesc($rr['channel_guid']),
				dbesc($rr['channel_guid_sig']),
				dbesc($rr['channel_hash']),
				dbesc($rr['channel_address'] . '@' . App::get_hostname()),
				intval($primary),
				dbesc(z_root()),
				dbesc(base64url_encode(rsa_sign(z_root(),$rr['channel_prvkey']))),
				dbesc(App::get_hostname()),
				dbesc(z_root() . '/post'),
				dbesc($sitekey),
				dbesc('zot')
			);

			if($h)
				$o . 'local hubloc created for ' . $rr['channel_name'] . EOL;
			else
				$o .= 'DB update failed for ' . $rr['channel_name'] . EOL;

		}

		return $o;

	}
}