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<?php /** @file */
namespace Zotlabs\Daemon;
use Zotlabs\Lib\Activity;
use Zotlabs\Lib\Libzot;
use Zotlabs\Lib\ActivityStreams;
use Zotlabs\Lib\ASCollection;
require_once('include/channel.php');
class Externals {
static public function run($argc, $argv) {
logger('externals: start');
$importer = get_sys_channel();
$total = 0;
$attempts = 0;
logger('externals: startup', LOGGER_DEBUG);
// pull in some public posts
while ($total == 0 && $attempts < 3) {
$arr = ['url' => ''];
call_hooks('externals_url_select', $arr);
if ($arr['url']) {
$url = $arr['url'];
}
else {
$networks = ['zot6'];
if (plugin_is_installed('pubcrawl')) {
$networks[] = 'activitypub';
}
stringify_array_elms($networks);
$networks_str = implode(',', $networks);
$randfunc = db_getfunc('RAND');
// fixme this query does not deal with directory realms.
//$r = q("select site_url, site_pull from site where site_url != '%s'
//and site_flags != %d and site_type = %d
//and site_dead = 0 and site_project like '%s' and site_version > '5.3.1' order by $randfunc limit 1",
//dbesc(z_root()),
//intval(DIRECTORY_MODE_STANDALONE),
//intval(SITE_TYPE_ZOT),
//dbesc('hubzilla%')
//);
$r = q("SELECT * FROM hubloc
LEFT JOIN abook ON abook_xchan = hubloc_hash
LEFT JOIN site ON site_url = hubloc_url WHERE
hubloc_network IN ( $networks_str ) AND
abook_xchan IS NULL AND
hubloc_url != '%s' AND
hubloc_updated > '%s' AND
hubloc_primary = 1 AND hubloc_deleted = 0 AND
site_dead = 0
ORDER BY $randfunc LIMIT 1",
dbesc(z_root()),
datetime_convert('UTC', 'UTC', 'now - 30 days')
);
$contact = $r[0];
if ($contact) {
$url = $contact['hubloc_id_url'];
}
}
if (!$url) {
continue;
}
$blacklisted = false;
if (!check_siteallowed($contact['hubloc_url'])) {
logger('blacklisted site: ' . $url);
$blacklisted = true;
}
$attempts++;
// make sure we can eventually break out if somebody blacklists all known sites
if ($blacklisted) {
if ($attempts > 5)
break;
$attempts--;
continue;
}
$cl = Activity::get_actor_collections($contact['hubloc_hash']);
if(empty($cl)) {
$cl = get_xconfig($contact['hubloc_hash'], 'activitypub', 'collections');
}
if (is_array($cl) && array_key_exists('outbox', $cl)) {
$url = $cl['outbox'];
}
else {
$url = str_replace('/channel/', '/outbox/', $contact['hubloc_id_url']);
if ($url) {
$url .= '?top=1';
}
}
if ($url) {
logger('fetching outbox: ' . $url);
$obj = new ASCollection($url, $importer, 0, 10);
$messages = $obj->get();
if ($messages) {
foreach ($messages as $message) {
if (is_string($message)) {
$message = Activity::fetch($message, $importer);
}
if ($message['type'] !== 'Create') {
continue;
}
if ($contact['hubloc_network'] === 'zot6') {
// make sure we only fetch top level items
if (isset($message['object']['inReplyTo'])) {
continue;
}
$obj_id = isset($message['object']['id']) ?? $message['object'];
Libzot::fetch_conversation($importer, $obj_id);
$total++;
continue;
}
$AS = new ActivityStreams($message);
if ($AS->is_valid() && is_array($AS->obj)) {
$item = Activity::decode_note($AS);
Activity::store($importer, $contact['abook_xchan'], $AS, $item);
$total++;
}
}
}
logger('fetched messages count: ' . $total);
}
}
return;
}
}
|
