Beispiel #1
0
function check_zotinfo($channel, $locations, &$ret)
{
    //	logger('locations: ' . print_r($locations,true),LOGGER_DATA);
    // This function will likely expand as we find more things to detect and fix.
    // 1. Because magic-auth is reliant on it, ensure that the system channel has a valid hubloc
    //    Force this to be the case if anything is found to be wrong with it.
    // @FIXME ensure that the system channel exists in the first place and has an xchan
    if ($channel['channel_system']) {
        // the sys channel must have a location (hubloc)
        $valid_location = false;
        if (count($locations) === 1 && $locations[0]['primary'] && !$locations[0]['deleted']) {
            if (rsa_verify($locations[0]['url'], base64url_decode($locations[0]['url_sig']), $channel['channel_pubkey']) && $locations[0]['sitekey'] === get_config('system', 'pubkey') && $locations[0]['url'] === z_root()) {
                $valid_location = true;
            } else {
                logger('sys channel: invalid url signature');
            }
        }
        if (!$locations || !$valid_location) {
            logger('System channel locations are not valid. Attempting repair.');
            // Don't trust any existing records. Just get rid of them, but only do this
            // for the sys channel as normal channels will be trickier.
            q("delete from hubloc where hubloc_hash = '%s'", dbesc($channel['channel_hash']));
            $r = q("insert into hubloc ( hubloc_guid, hubloc_guid_sig, hubloc_hash, hubloc_addr, hubloc_primary,\n\t\t\t\thubloc_url, hubloc_url_sig, hubloc_host, hubloc_callback, hubloc_sitekey, hubloc_network )\n\t\t\t\tvalues ( '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s' )", dbesc($channel['channel_guid']), dbesc($channel['channel_guid_sig']), dbesc($channel['channel_hash']), dbesc($channel['channel_address'] . '@' . get_app()->get_hostname()), intval(1), dbesc(z_root()), dbesc(base64url_encode(rsa_sign(z_root(), $channel['channel_prvkey']))), dbesc(get_app()->get_hostname()), dbesc(z_root() . '/post'), dbesc(get_config('system', 'pubkey')), dbesc('zot'));
            if ($r) {
                $x = zot_encode_locations($channel);
                if ($x) {
                    $ret['locations'] = $x;
                }
            } else {
                logger('Unable to store sys hub location');
            }
        }
    }
}
Beispiel #2
0
function notifier_run($argv, $argc)
{
    cli_startup();
    $a = get_app();
    if ($argc < 3) {
        return;
    }
    logger('notifier: invoked: ' . print_r($argv, true), LOGGER_DEBUG);
    $cmd = $argv[1];
    $item_id = $argv[2];
    $extra = $argc > 3 ? $argv[3] : null;
    if (!$item_id) {
        return;
    }
    $sys = get_sys_channel();
    $deliveries = array();
    $dead_hubs = array();
    $dh = q("select site_url from site where site_dead = 1");
    if ($dh) {
        foreach ($dh as $dead) {
            $dead_hubs[] = $dead['site_url'];
        }
    }
    $request = false;
    $mail = false;
    $top_level = false;
    $location = false;
    $recipients = array();
    $url_recipients = array();
    $normal_mode = true;
    $packet_type = 'undefined';
    if ($cmd === 'mail') {
        $normal_mode = false;
        $mail = true;
        $private = true;
        $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1", intval($item_id));
        if (!$message) {
            return;
        }
        xchan_mail_query($message[0]);
        $uid = $message[0]['channel_id'];
        $recipients[] = $message[0]['from_xchan'];
        // include clones
        $recipients[] = $message[0]['to_xchan'];
        $item = $message[0];
        $encoded_item = encode_mail($item);
        $s = q("select * from channel where channel_id = %d limit 1", intval($item['channel_id']));
        if ($s) {
            $channel = $s[0];
        }
    } elseif ($cmd === 'request') {
        $channel_id = $item_id;
        $xchan = $argv[3];
        $request_message_id = $argv[4];
        $s = q("select * from channel where channel_id = %d limit 1", intval($channel_id));
        if ($s) {
            $channel = $s[0];
        }
        $private = true;
        $recipients[] = $xchan;
        $packet_type = 'request';
        $normal_mode = false;
    } elseif ($cmd == 'permission_update' || $cmd == 'permission_create') {
        // Get the (single) recipient
        $r = q("select * from abook left join xchan on abook_xchan = xchan_hash where abook_id = %d and abook_self = 0", intval($item_id));
        if ($r) {
            $uid = $r[0]['abook_channel'];
            // Get the sender
            $channel = channelx_by_n($uid);
            if ($channel) {
                $perm_update = array('sender' => $channel, 'recipient' => $r[0], 'success' => false, 'deliveries' => '');
                if ($cmd == 'permission_create') {
                    call_hooks('permissions_create', $perm_update);
                } else {
                    call_hooks('permissions_update', $perm_update);
                }
                if ($perm_update['success']) {
                    if ($perm_update['deliveries']) {
                        $deliveries[] = $perm_update['deliveries'];
                        do_delivery($deliveries);
                    }
                    return;
                } else {
                    $recipients[] = $r[0]['abook_xchan'];
                    $private = false;
                    $packet_type = 'refresh';
                    $packet_recips = array(array('guid' => $r[0]['xchan_guid'], 'guid_sig' => $r[0]['xchan_guid_sig'], 'hash' => $r[0]['xchan_hash']));
                }
            }
        }
    } elseif ($cmd === 'refresh_all') {
        logger('notifier: refresh_all: ' . $item_id);
        $uid = $item_id;
        $channel = channelx_by_n($item_id);
        $r = q("select abook_xchan from abook where abook_channel = %d", intval($item_id));
        if ($r) {
            foreach ($r as $rr) {
                $recipients[] = $rr['abook_xchan'];
            }
        }
        $private = false;
        $packet_type = 'refresh';
    } elseif ($cmd === 'location') {
        logger('notifier: location: ' . $item_id);
        $s = q("select * from channel where channel_id = %d limit 1", intval($item_id));
        if ($s) {
            $channel = $s[0];
        }
        $uid = $item_id;
        $recipients = array();
        $r = q("select abook_xchan from abook where abook_channel = %d", intval($item_id));
        if ($r) {
            foreach ($r as $rr) {
                $recipients[] = $rr['abook_xchan'];
            }
        }
        $encoded_item = array('locations' => zot_encode_locations($channel), 'type' => 'location', 'encoding' => 'zot');
        $target_item = array('aid' => $channel['channel_account_id'], 'uid' => $channel['channel_id']);
        $private = false;
        $packet_type = 'location';
        $location = true;
    } elseif ($cmd === 'purge_all') {
        logger('notifier: purge_all: ' . $item_id);
        $s = q("select * from channel where channel_id = %d limit 1", intval($item_id));
        if ($s) {
            $channel = $s[0];
        }
        $uid = $item_id;
        $recipients = array();
        $r = q("select abook_xchan from abook where abook_channel = %d", intval($item_id));
        if ($r) {
            foreach ($r as $rr) {
                $recipients[] = $rr['abook_xchan'];
            }
        }
        $private = false;
        $packet_type = 'purge';
    } else {
        // Normal items
        // Fetch the target item
        $r = q("SELECT * FROM item WHERE id = %d and parent != 0 LIMIT 1", intval($item_id));
        if (!$r) {
            return;
        }
        xchan_query($r);
        $r = fetch_post_tags($r);
        $target_item = $r[0];
        $deleted_item = false;
        if (intval($target_item['item_deleted'])) {
            logger('notifier: target item ITEM_DELETED', LOGGER_DEBUG);
            $deleted_item = true;
        }
        if (intval($target_item['item_type']) != ITEM_TYPE_POST) {
            logger('notifier: target item not forwardable: type ' . $target_item['item_type'], LOGGER_DEBUG);
            return;
        }
        if (intval($target_item['item_unpublished']) || intval($target_item['item_delayed'])) {
            logger('notifier: target item not published, so not forwardable', LOGGER_DEBUG);
            return;
        }
        if (strpos($target_item['postopts'], 'nodeliver') !== false) {
            logger('notifier: target item is undeliverable', LOGGER_DEBUG);
            return;
        }
        $s = q("select * from channel left join xchan on channel_hash = xchan_hash where channel_id = %d limit 1", intval($target_item['uid']));
        if ($s) {
            $channel = $s[0];
        }
        if ($channel['channel_hash'] !== $target_item['author_xchan'] && $channel['channel_hash'] !== $target_item['owner_xchan']) {
            logger("notifier: Sending channel {$channel['channel_hash']} is not owner {$target_item['owner_xchan']} or author {$target_item['author_xchan']}", LOGGER_NORMAL, LOG_WARNING);
            return;
        }
        if ($target_item['id'] == $target_item['parent']) {
            $parent_item = $target_item;
            $top_level_post = true;
        } else {
            // fetch the parent item
            $r = q("SELECT * from item where id = %d order by id asc", intval($target_item['parent']));
            if (!$r) {
                return;
            }
            if (strpos($r[0]['postopts'], 'nodeliver') !== false) {
                logger('notifier: target item is undeliverable', LOGGER_DEBUG, LOG_NOTICE);
                return;
            }
            xchan_query($r);
            $r = fetch_post_tags($r);
            $parent_item = $r[0];
            $top_level_post = false;
        }
        // avoid looping of discover items 12/4/2014
        if ($sys && $parent_item['uid'] == $sys['channel_id']) {
            return;
        }
        $encoded_item = encode_item($target_item);
        // Send comments to the owner to re-deliver to everybody in the conversation
        // We only do this if the item in question originated on this site. This prevents looping.
        // To clarify, a site accepting a new comment is responsible for sending it to the owner for relay.
        // Relaying should never be initiated on a post that arrived from elsewhere.
        // We should normally be able to rely on ITEM_ORIGIN, but start_delivery_chain() incorrectly set this
        // flag on comments for an extended period. So we'll also call comment_local_origin() which looks at
        // the hostname in the message_id and provides a second (fallback) opinion.
        $relay_to_owner = !$top_level_post && intval($target_item['item_origin']) && comment_local_origin($target_item) ? true : false;
        $uplink = false;
        // $cmd === 'relay' indicates the owner is sending it to the original recipients
        // don't allow the item in the relay command to relay to owner under any circumstances, it will loop
        logger('notifier: relay_to_owner: ' . ($relay_to_owner ? 'true' : 'false'), LOGGER_DATA, LOG_DEBUG);
        logger('notifier: top_level_post: ' . ($top_level_post ? 'true' : 'false'), LOGGER_DATA, LOG_DEBUG);
        // tag_deliver'd post which needs to be sent back to the original author
        if ($cmd === 'uplink' && intval($parent_item['item_uplink']) && !$top_level_post) {
            logger('notifier: uplink');
            $uplink = true;
        }
        if (($relay_to_owner || $uplink) && $cmd !== 'relay') {
            logger('notifier: followup relay', LOGGER_DEBUG);
            $recipients = array($uplink ? $parent_item['source_xchan'] : $parent_item['owner_xchan']);
            $private = true;
            if (!$encoded_item['flags']) {
                $encoded_item['flags'] = array();
            }
            $encoded_item['flags'][] = 'relay';
        } else {
            logger('notifier: normal distribution', LOGGER_DEBUG);
            if ($cmd === 'relay') {
                logger('notifier: owner relay');
            }
            // if our parent is a tag_delivery recipient, uplink to the original author causing
            // a delivery fork.
            if ($parent_item && intval($parent_item['item_uplink']) && !$top_level_post && $cmd !== 'uplink') {
                // don't uplink a relayed post to the relay owner
                if ($parent_item['source_xchan'] !== $parent_item['owner_xchan']) {
                    logger('notifier: uplinking this item');
                    proc_run('php', 'include/notifier.php', 'uplink', $item_id);
                }
            }
            $private = false;
            $recipients = collect_recipients($parent_item, $private);
            // FIXME add any additional recipients such as mentions, etc.
            // don't send deletions onward for other people's stuff
            // TODO verify this is needed - copied logic from same place in old code
            if (intval($target_item['item_deleted']) && !intval($target_item['item_wall'])) {
                logger('notifier: ignoring delete notification for non-wall item', LOGGER_NORMAL, LOG_NOTICE);
                return;
            }
        }
    }
    $walltowall = $top_level_post && $channel['xchan_hash'] === $target_item['author_xchan'] ? true : false;
    // Generic delivery section, we have an encoded item and recipients
    // Now start the delivery process
    $x = $encoded_item;
    $x['title'] = 'private';
    $x['body'] = 'private';
    logger('notifier: encoded item: ' . print_r($x, true), LOGGER_DATA, LOG_DEBUG);
    stringify_array_elms($recipients);
    if (!$recipients) {
        return;
    }
    //	logger('notifier: recipients: ' . print_r($recipients,true), LOGGER_NORMAL, LOG_DEBUG);
    $env_recips = $private ? array() : null;
    $details = q("select xchan_hash, xchan_instance_url, xchan_network, xchan_addr, xchan_guid, xchan_guid_sig from xchan where xchan_hash in (" . implode(',', $recipients) . ")");
    $recip_list = array();
    if ($details) {
        foreach ($details as $d) {
            $recip_list[] = $d['xchan_addr'] . ' (' . $d['xchan_hash'] . ')';
            if ($private) {
                $env_recips[] = array('guid' => $d['xchan_guid'], 'guid_sig' => $d['xchan_guid_sig'], 'hash' => $d['xchan_hash']);
            }
            if ($d['xchan_network'] === 'mail' && $normal_mode) {
                $delivery_options = get_xconfig($d['xchan_hash'], 'system', 'delivery_mode');
                if (!$delivery_options) {
                    format_and_send_email($channel, $d, $target_item);
                }
            }
        }
    }
    $narr = array('channel' => $channel, 'env_recips' => $env_recips, 'packet_recips' => $packet_recips, 'recipients' => $recipients, 'item' => $item, 'target_item' => $target_item, 'top_level_post' => $top_level_post, 'private' => $private, 'followup' => $followup, 'relay_to_owner' => $relay_to_owner, 'uplink' => $uplink, 'cmd' => $cmd, 'mail' => $mail, 'location' => $location, 'request' => $request, 'normal_mode' => $normal_mode, 'packet_type' => $packet_type, 'walltowall' => $walltowall, 'queued' => array());
    call_hooks('notifier_process', $narr);
    if ($narr['queued']) {
        foreach ($narr['queued'] as $pq) {
            $deliveries[] = $pq;
        }
    }
    if ($private && !$env_recips) {
        // shouldn't happen
        logger('notifier: private message with no envelope recipients.' . print_r($argv, true), LOGGER_NORMAL, LOG_NOTICE);
    }
    logger('notifier: recipients (may be delivered to more if public): ' . print_r($recip_list, true), LOGGER_DEBUG);
    // Now we have collected recipients (except for external mentions, FIXME)
    // Let's reduce this to a set of hubs.
    $r = q("select * from hubloc where hubloc_hash in (" . implode(',', $recipients) . ") \n\t\tand hubloc_error = 0 and hubloc_deleted = 0");
    if (!$r) {
        logger('notifier: no hubs', LOGGER_NORMAL, LOG_NOTICE);
        return;
    }
    $hubs = $r;
    /**
     * Reduce the hubs to those that are unique. For zot hubs, we need to verify uniqueness by the sitekey, since it may have been 
     * a re-install which has not yet been detected and pruned.
     * For other networks which don't have or require sitekeys, we'll have to use the URL
     */
    $hublist = array();
    // this provides an easily printable list for the logs
    $dhubs = array();
    // delivery hubs where we store our resulting unique array
    $keys = array();
    // array of keys to check uniquness for zot hubs
    $urls = array();
    // array of urls to check uniqueness of hubs from other networks
    foreach ($hubs as $hub) {
        if (in_array($hub['hubloc_url'], $dead_hubs)) {
            logger('skipping dead hub: ' . $hub['hubloc_url'], LOGGER_DEBUG, LOG_INFO);
            continue;
        }
        if ($hub['hubloc_network'] == 'zot') {
            if (!in_array($hub['hubloc_sitekey'], $keys)) {
                $hublist[] = $hub['hubloc_host'];
                $dhubs[] = $hub;
                $keys[] = $hub['hubloc_sitekey'];
            }
        } else {
            if (!in_array($hub['hubloc_url'], $urls)) {
                $hublist[] = $hub['hubloc_host'];
                $dhubs[] = $hub;
                $urls[] = $hub['hubloc_url'];
            }
        }
    }
    logger('notifier: will notify/deliver to these hubs: ' . print_r($hublist, true), LOGGER_DEBUG, LOG_DEBUG);
    foreach ($dhubs as $hub) {
        if ($hub['hubloc_network'] !== 'zot') {
            $narr = array('channel' => $channel, 'env_recips' => $env_recips, 'packet_recips' => $packet_recips, 'recipients' => $recipients, 'item' => $item, 'target_item' => $target_item, 'hub' => $hub, 'top_level_post' => $top_level_post, 'private' => $private, 'followup' => $followup, 'relay_to_owner' => $relay_to_owner, 'uplink' => $uplink, 'cmd' => $cmd, 'mail' => $mail, 'location' => $location, 'request' => $request, 'normal_mode' => $normal_mode, 'packet_type' => $packet_type, 'walltowall' => $walltowall, 'queued' => array());
            call_hooks('notifier_hub', $narr);
            if ($narr['queued']) {
                foreach ($narr['queued'] as $pq) {
                    $deliveries[] = $pq;
                }
            }
            continue;
        }
        // default: zot protocol
        $hash = random_string();
        $packet = null;
        if ($packet_type === 'refresh' || $packet_type === 'purge') {
            $packet = zot_build_packet($channel, $packet_type, $packet_recips ? $packet_recips : null);
        } elseif ($packet_type === 'request') {
            $packet = zot_build_packet($channel, $packet_type, $env_recips, $hub['hubloc_sitekey'], $hash, array('message_id' => $request_message_id));
        }
        if ($packet) {
            queue_insert(array('hash' => $hash, 'account_id' => $channel['channel_account_id'], 'channel_id' => $channel['channel_id'], 'posturl' => $hub['hubloc_callback'], 'notify' => $packet));
        } else {
            $packet = zot_build_packet($channel, 'notify', $env_recips, $private ? $hub['hubloc_sitekey'] : null, $hash);
            queue_insert(array('hash' => $hash, 'account_id' => $target_item['aid'], 'channel_id' => $target_item['uid'], 'posturl' => $hub['hubloc_callback'], 'notify' => $packet, 'msg' => json_encode($encoded_item)));
            // only create delivery reports for normal undeleted items
            if (is_array($target_item) && array_key_exists('postopts', $target_item) && !$target_item['item_deleted'] && !get_config('system', 'disable_dreport')) {
                q("insert into dreport ( dreport_mid, dreport_site, dreport_recip, dreport_result, dreport_time, dreport_xchan, dreport_queue ) values ( '%s','%s','%s','%s','%s','%s','%s' ) ", dbesc($target_item['mid']), dbesc($hub['hubloc_host']), dbesc($hub['hubloc_host']), dbesc('queued'), dbesc(datetime_convert()), dbesc($channel['channel_hash']), dbesc($hash));
            }
        }
        $deliveries[] = $hash;
    }
    if ($normal_mode) {
        $x = q("select * from hook where hook = 'notifier_normal'");
        if ($x) {
            proc_run('php', 'include/deliver_hooks.php', $target_item['id']);
        }
    }
    if ($deliveries) {
        do_delivery($deliveries);
    }
    logger('notifier: basic loop complete.', LOGGER_DEBUG);
    call_hooks('notifier_end', $target_item);
    logger('notifer: complete.');
    return;
}
Beispiel #3
0
function zfinger_init(&$a)
{
    require_once 'include/zot.php';
    require_once 'include/crypto.php';
    $ret = array('success' => false);
    $zhash = x($_REQUEST, 'guid_hash') ? $_REQUEST['guid_hash'] : '';
    $zguid = x($_REQUEST, 'guid') ? $_REQUEST['guid'] : '';
    $zguid_sig = x($_REQUEST, 'guid_sig') ? $_REQUEST['guid_sig'] : '';
    $zaddr = x($_REQUEST, 'address') ? $_REQUEST['address'] : '';
    $ztarget = x($_REQUEST, 'target') ? $_REQUEST['target'] : '';
    $zsig = x($_REQUEST, 'target_sig') ? $_REQUEST['target_sig'] : '';
    $zkey = x($_REQUEST, 'key') ? $_REQUEST['key'] : '';
    $mindate = x($_REQUEST, 'mindate') ? $_REQUEST['mindate'] : '';
    $feed = x($_REQUEST, 'feed') ? intval($_REQUEST['feed']) : 0;
    if ($ztarget) {
        if (!$zkey || !$zsig || !rsa_verify($ztarget, base64url_decode($zsig), $zkey)) {
            logger('zfinger: invalid target signature');
            $ret['message'] = t("invalid target signature");
            json_return_and_die($ret);
        }
    }
    // allow re-written domains so bob@foo.example.com can provide an address of bob@example.com
    // The top-level domain also needs to redirect .well-known/zot-info to the sub-domain with a 301 or 308
    // TODO: Make 308 work in include/network.php for zot_fetch_url and zot_post_url
    if ($zaddr && ($s = get_config('system', 'zotinfo_domainrewrite'))) {
        $arr = explode('^', $s);
        if (count($arr) == 2) {
            $zaddr = str_replace($arr[0], $arr[1], $zaddr);
        }
    }
    $r = null;
    if (strlen($zhash)) {
        $r = q("select channel.*, xchan.* from channel left join xchan on channel_hash = xchan_hash \n\t\t\twhere channel_hash = '%s' limit 1", dbesc($zhash));
    } elseif (strlen($zguid) && strlen($zguid_sig)) {
        $r = q("select channel.*, xchan.* from channel left join xchan on channel_hash = xchan_hash \n\t\t\twhere channel_guid = '%s' and channel_guid_sig = '%s' limit 1", dbesc($zguid), dbesc($zguid_sig));
    } elseif (strlen($zaddr)) {
        if (strpos($zaddr, '[system]') === false) {
            /* normal address lookup */
            $r = q("select channel.*, xchan.* from channel left join xchan on channel_hash = xchan_hash\n\t\t\t\twhere ( channel_address = '%s' or xchan_addr = '%s' ) limit 1", dbesc($zaddr), dbesc($zaddr));
        } else {
            /**
             * The special address '[system]' will return a system channel if one has been defined,
             * Or the first valid channel we find if there are no system channels. 
             *
             * This is used by magic-auth if we have no prior communications with this site - and
             * returns an identity on this site which we can use to create a valid hub record so that
             * we can exchange signed messages. The precise identity is irrelevant. It's the hub
             * information that we really need at the other end - and this will return it.
             *
             */
            $r = q("select channel.*, xchan.* from channel left join xchan on channel_hash = xchan_hash\n\t\t\t\twhere ( channel_pageflags & %d )>0 order by channel_id limit 1", intval(PAGE_SYSTEM));
            if (!$r) {
                $r = q("select channel.*, xchan.* from channel left join xchan on channel_hash = xchan_hash\n\t\t\t\t\twhere not ( channel_pageflags & %d )>0 order by channel_id limit 1", intval(PAGE_REMOVED));
            }
        }
    } else {
        $ret['message'] = 'Invalid request';
        json_return_and_die($ret);
    }
    if (!$r) {
        $ret['message'] = 'Item not found.';
        json_return_and_die($ret);
    }
    $e = $r[0];
    $id = $e['channel_id'];
    $sys_channel = $e['channel_pageflags'] & PAGE_SYSTEM ? true : false;
    $special_channel = $e['channel_pageflags'] & PAGE_PREMIUM ? true : false;
    $adult_channel = $e['channel_pageflags'] & PAGE_ADULT ? true : false;
    $censored = $e['channel_pageflags'] & PAGE_CENSORED ? true : false;
    $searchable = $e['channel_pageflags'] & PAGE_HIDDEN ? false : true;
    $deleted = $e['xchan_flags'] & XCHAN_FLAGS_DELETED ? true : false;
    if ($deleted || $censored || $sys_channel) {
        $searchable = false;
    }
    $public_forum = false;
    $role = get_pconfig($e['channel_id'], 'system', 'permissions_role');
    if ($role === 'forum') {
        $public_forum = true;
    } else {
        // check if it has characteristics of a public forum based on custom permissions.
        $t = q("select abook_my_perms from abook where abook_channel = %d and (abook_flags & %d)>0 limit 1", intval($e['channel_id']), intval(ABOOK_FLAG_SELF));
        if ($t && $t[0]['abook_my_perms'] & PERMS_W_TAGWALL) {
            $public_forum = true;
        }
    }
    //  This is for birthdays and keywords, but must check access permissions
    $p = q("select * from profile where uid = %d and is_default = 1", intval($e['channel_id']));
    $profile = array();
    if ($p) {
        if (!intval($p[0]['publish'])) {
            $searchable = false;
        }
        $profile['description'] = $p[0]['pdesc'];
        $profile['birthday'] = $p[0]['dob'];
        if ($profile['birthday'] != '0000-00-00' && ($bd = z_birthday($p[0]['dob'], $e['channel_timezone'])) !== '') {
            $profile['next_birthday'] = $bd;
        }
        if ($age = age($p[0]['dob'], $e['channel_timezone'], '')) {
            $profile['age'] = $age;
        }
        $profile['gender'] = $p[0]['gender'];
        $profile['marital'] = $p[0]['marital'];
        $profile['sexual'] = $p[0]['sexual'];
        $profile['locale'] = $p[0]['locality'];
        $profile['region'] = $p[0]['region'];
        $profile['postcode'] = $p[0]['postal_code'];
        $profile['country'] = $p[0]['country_name'];
        $profile['about'] = $p[0]['about'];
        $profile['homepage'] = $p[0]['homepage'];
        $profile['hometown'] = $p[0]['hometown'];
        if ($p[0]['keywords']) {
            $tags = array();
            $k = explode(' ', $p[0]['keywords']);
            if ($k) {
                foreach ($k as $kk) {
                    if (trim($kk, " \t\n\r\v,")) {
                        $tags[] = trim($kk, " \t\n\r\v,");
                    }
                }
            }
            if ($tags) {
                $profile['keywords'] = $tags;
            }
        }
    }
    $ret['success'] = true;
    // Communication details
    $ret['guid'] = $e['xchan_guid'];
    $ret['guid_sig'] = $e['xchan_guid_sig'];
    $ret['key'] = $e['xchan_pubkey'];
    $ret['name'] = $e['xchan_name'];
    $ret['name_updated'] = $e['xchan_name_date'];
    $ret['address'] = $e['xchan_addr'];
    $ret['photo_mimetype'] = $e['xchan_photo_mimetype'];
    $ret['photo'] = $e['xchan_photo_l'];
    $ret['photo_updated'] = $e['xchan_photo_date'];
    $ret['url'] = $e['xchan_url'];
    $ret['connections_url'] = $e['xchan_connurl'] ? $e['xchan_connurl'] : z_root() . '/poco/' . $e['channel_address'];
    $ret['target'] = $ztarget;
    $ret['target_sig'] = $zsig;
    $ret['searchable'] = $searchable;
    $ret['adult_content'] = $adult_channel;
    $ret['public_forum'] = $public_forum;
    if ($deleted) {
        $ret['deleted'] = $deleted;
    }
    // premium or other channel desiring some contact with potential followers before connecting.
    // This is a template - %s will be replaced with the follow_url we discover for the return channel.
    if ($special_channel) {
        $ret['connect_url'] = z_root() . '/connect/' . $e['channel_address'];
    }
    // This is a template for our follow url, %s will be replaced with a webbie
    $ret['follow_url'] = z_root() . '/follow?f=&url=%s';
    $ztarget_hash = $ztarget && $zsig ? make_xchan_hash($ztarget, $zsig) : '';
    $permissions = get_all_perms($e['channel_id'], $ztarget_hash, false);
    if ($ztarget_hash) {
        $permissions['connected'] = false;
        $b = q("select * from abook where abook_xchan = '%s' and abook_channel = %d limit 1", dbesc($ztarget_hash), intval($e['channel_id']));
        if ($b) {
            $permissions['connected'] = true;
        }
    }
    $ret['permissions'] = $ztarget && $zkey ? crypto_encapsulate(json_encode($permissions), $zkey) : $permissions;
    if ($permissions['view_profile']) {
        $ret['profile'] = $profile;
    }
    // array of (verified) hubs this channel uses
    $x = zot_encode_locations($e);
    if ($x) {
        $ret['locations'] = $x;
    }
    $ret['site'] = array();
    $ret['site']['url'] = z_root();
    $ret['site']['url_sig'] = base64url_encode(rsa_sign(z_root(), $e['channel_prvkey']));
    $dirmode = get_config('system', 'directory_mode');
    if ($dirmode === false || $dirmode == DIRECTORY_MODE_NORMAL) {
        $ret['site']['directory_mode'] = 'normal';
    }
    if ($dirmode == DIRECTORY_MODE_PRIMARY) {
        $ret['site']['directory_mode'] = 'primary';
    } elseif ($dirmode == DIRECTORY_MODE_SECONDARY) {
        $ret['site']['directory_mode'] = 'secondary';
    } elseif ($dirmode == DIRECTORY_MODE_STANDALONE) {
        $ret['site']['directory_mode'] = 'standalone';
    }
    if ($dirmode != DIRECTORY_MODE_NORMAL) {
        $ret['site']['directory_url'] = z_root() . '/dirsearch';
    }
    // hide detailed site information if you're off the grid
    if ($dirmode != DIRECTORY_MODE_STANDALONE) {
        $register_policy = intval(get_config('system', 'register_policy'));
        if ($register_policy == REGISTER_CLOSED) {
            $ret['site']['register_policy'] = 'closed';
        }
        if ($register_policy == REGISTER_APPROVE) {
            $ret['site']['register_policy'] = 'approve';
        }
        if ($register_policy == REGISTER_OPEN) {
            $ret['site']['register_policy'] = 'open';
        }
        $access_policy = intval(get_config('system', 'access_policy'));
        if ($access_policy == ACCESS_PRIVATE) {
            $ret['site']['access_policy'] = 'private';
        }
        if ($access_policy == ACCESS_PAID) {
            $ret['site']['access_policy'] = 'paid';
        }
        if ($access_policy == ACCESS_FREE) {
            $ret['site']['access_policy'] = 'free';
        }
        if ($access_policy == ACCESS_TIERED) {
            $ret['site']['access_policy'] = 'tiered';
        }
        $ret['site']['accounts'] = account_total();
        require_once 'include/identity.php';
        $ret['site']['channels'] = channel_total();
        $ret['site']['version'] = PLATFORM_NAME . ' ' . RED_VERSION . '[' . DB_UPDATE_VERSION . ']';
        $ret['site']['admin'] = get_config('system', 'admin_email');
        $visible_plugins = array();
        if (is_array($a->plugins) && count($a->plugins)) {
            $r = q("select * from addon where hidden = 0");
            if ($r) {
                foreach ($r as $rr) {
                    $visible_plugins[] = $rr['name'];
                }
            }
        }
        $ret['site']['plugins'] = $visible_plugins;
        $ret['site']['sitehash'] = get_config('system', 'location_hash');
        $ret['site']['sitename'] = get_config('system', 'sitename');
        $ret['site']['sellpage'] = get_config('system', 'sellpage');
        $ret['site']['location'] = get_config('system', 'site_location');
        $ret['site']['realm'] = get_directory_realm();
    }
    call_hooks('zot_finger', $ret);
    json_return_and_die($ret);
}
Beispiel #4
0
function notifier_run($argv, $argc)
{
    cli_startup();
    $a = get_app();
    require_once "session.php";
    require_once "datetime.php";
    require_once 'include/items.php';
    require_once 'include/bbcode.php';
    if ($argc < 3) {
        return;
    }
    logger('notifier: invoked: ' . print_r($argv, true), LOGGER_DEBUG);
    $cmd = $argv[1];
    $item_id = $argv[2];
    $extra = $argc > 3 ? $argv[3] : null;
    if (!$item_id) {
        return;
    }
    require_once 'include/identity.php';
    $sys = get_sys_channel();
    if ($cmd == 'permission_update') {
        // Get the recipient
        $r = q("select abook.*, hubloc.* from abook \n\t\t\tleft join hubloc on hubloc_hash = abook_xchan\n\t\t\twhere abook_id = %d and not ( abook_flags & %d ) > 0 \n\t\t\tand not (hubloc_flags & %d) > 0  and not (hubloc_status & %d) > 0 limit 1", intval($item_id), intval(ABOOK_FLAG_SELF), intval(HUBLOC_FLAGS_DELETED), intval(HUBLOC_OFFLINE));
        if ($r) {
            // Get the sender
            $s = q("select * from channel left join xchan on channel_hash = xchan_hash where channel_id = %d limit 1", intval($r[0]['abook_channel']));
            if ($s) {
                if ($r[0]['hubloc_network'] === 'diaspora' || $r[0]['hubloc_network'] === 'friendica-over-diaspora') {
                    require_once 'include/diaspora.php';
                    diaspora_share($s[0], $r[0]);
                } else {
                    // send a refresh message to each hub they have registered here
                    $h = q("select * from hubloc where hubloc_hash = '%s' \n\t\t\t\t\t\tand not (hubloc_flags & %d) > 0  and not (hubloc_status & %d) > 0", dbesc($r[0]['hubloc_hash']), intval(HUBLOC_FLAGS_DELETED), intval(HUBLOC_OFFLINE));
                    if ($h) {
                        foreach ($h as $hh) {
                            $data = zot_build_packet($s[0], 'refresh', array(array('guid' => $hh['hubloc_guid'], 'guid_sig' => $hh['hubloc_guid_sig'], 'url' => $hh['hubloc_url'])));
                            if ($data) {
                                $result = zot_zot($hh['hubloc_callback'], $data);
                                // if immediate delivery failed, stick it in the queue to try again later.
                                if (!$result['success']) {
                                    $hash = random_string();
                                    q("insert into outq ( outq_hash, outq_account, outq_channel, outq_driver, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) \n\t\t\t\t\t\t\t\t\t\tvalues ( '%s', %d, %d, '%s', '%s', %d, '%s', '%s', '%s', '%s' )", dbesc($hash), intval($s[0]['channel_account_id']), intval($s[0]['channel_id']), dbesc('zot'), dbesc($hh['hubloc_callback']), intval(1), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc($data), dbesc(''));
                                }
                            }
                        }
                    }
                }
            }
        }
        return;
    }
    $expire = false;
    $request = false;
    $mail = false;
    $fsuggest = false;
    $top_level = false;
    $location = false;
    $recipients = array();
    $url_recipients = array();
    $normal_mode = true;
    $packet_type = 'undefined';
    if ($cmd === 'mail') {
        $normal_mode = false;
        $mail = true;
        $private = true;
        $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1", intval($item_id));
        if (!$message) {
            return;
        }
        xchan_mail_query($message[0]);
        $uid = $message[0]['channel_id'];
        $recipients[] = $message[0]['from_xchan'];
        // include clones
        $recipients[] = $message[0]['to_xchan'];
        $item = $message[0];
        $encoded_item = encode_mail($item);
        $s = q("select * from channel where channel_id = %d limit 1", intval($item['channel_id']));
        if ($s) {
            $channel = $s[0];
        }
    } elseif ($cmd === 'request') {
        $channel_id = $item_id;
        $xchan = $argv[3];
        $request_message_id = $argv[4];
        $s = q("select * from channel where channel_id = %d limit 1", intval($channel_id));
        if ($s) {
            $channel = $s[0];
        }
        $private = true;
        $recipients[] = $xchan;
        $packet_type = 'request';
        $normal_mode = false;
    } elseif ($cmd === 'expire') {
        // FIXME
        // This will require a special zot packet containing a list of item message_id's to be expired.
        // This packet will be public, since we cannot selectively deliver here.
        // We need the handling on this end to create the array, and the handling on the remote end
        // to verify permissions (for each item) and process it. Until this is complete, the expire feature will be disabled.
        return;
        $normal_mode = false;
        $expire = true;
        $items = q("SELECT * FROM item WHERE uid = %d AND ( item_flags & %d )>0\n\t\t\tAND ( item_restrict & %d )>0 AND `changed` > %s - INTERVAL %s", intval($item_id), intval(ITEM_WALL), intval(ITEM_DELETED), db_utcnow(), db_quoteinterval('10 MINUTE'));
        $uid = $item_id;
        $item_id = 0;
        if (!$items) {
            return;
        }
    } elseif ($cmd === 'suggest') {
        $normal_mode = false;
        $fsuggest = true;
        $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1", intval($item_id));
        if (!count($suggest)) {
            return;
        }
        $uid = $suggest[0]['uid'];
        $recipients[] = $suggest[0]['cid'];
        $item = $suggest[0];
    } elseif ($cmd === 'refresh_all') {
        logger('notifier: refresh_all: ' . $item_id);
        $s = q("select * from channel where channel_id = %d limit 1", intval($item_id));
        if ($s) {
            $channel = $s[0];
        }
        $uid = $item_id;
        $recipients = array();
        $r = q("select abook_xchan from abook where abook_channel = %d", intval($item_id));
        if ($r) {
            foreach ($r as $rr) {
                $recipients[] = $rr['abook_xchan'];
            }
        }
        $private = false;
        $packet_type = 'refresh';
    } elseif ($cmd === 'location') {
        logger('notifier: location: ' . $item_id);
        $s = q("select * from channel where channel_id = %d limit 1", intval($item_id));
        if ($s) {
            $channel = $s[0];
        }
        $uid = $item_id;
        $recipients = array();
        $r = q("select abook_xchan from abook where abook_channel = %d", intval($item_id));
        if ($r) {
            foreach ($r as $rr) {
                $recipients[] = $rr['abook_xchan'];
            }
        }
        $encoded_item = array('locations' => zot_encode_locations($channel), 'type' => 'location', 'encoding' => 'zot');
        $target_item = array('aid' => $channel['channel_account_id'], 'uid' => $channel['channel_id']);
        $private = false;
        $packet_type = 'location';
        $location = true;
    } elseif ($cmd === 'purge_all') {
        logger('notifier: purge_all: ' . $item_id);
        $s = q("select * from channel where channel_id = %d limit 1", intval($item_id));
        if ($s) {
            $channel = $s[0];
        }
        $uid = $item_id;
        $recipients = array();
        $r = q("select abook_xchan from abook where abook_channel = %d", intval($item_id));
        if ($r) {
            foreach ($r as $rr) {
                $recipients[] = $rr['abook_xchan'];
            }
        }
        $private = false;
        $packet_type = 'purge';
    } else {
        // Normal items
        // Fetch the target item
        $r = q("SELECT * FROM item WHERE id = %d and parent != 0 LIMIT 1", intval($item_id));
        if (!$r) {
            return;
        }
        xchan_query($r);
        $r = fetch_post_tags($r);
        $target_item = $r[0];
        $deleted_item = false;
        if ($target_item['item_restrict'] & ITEM_DELETED) {
            logger('notifier: target item ITEM_DELETED', LOGGER_DEBUG);
            $deleted_item = true;
        }
        $unforwardable = ITEM_UNPUBLISHED | ITEM_DELAYED_PUBLISH | ITEM_WEBPAGE | ITEM_BUILDBLOCK | ITEM_PDL;
        if ($target_item['item_restrict'] & $unforwardable) {
            logger('notifier: target item not forwardable: flags ' . $target_item['item_restrict'], LOGGER_DEBUG);
            return;
        }
        $s = q("select * from channel where channel_id = %d limit 1", intval($target_item['uid']));
        if ($s) {
            $channel = $s[0];
        }
        if ($channel['channel_hash'] !== $target_item['author_xchan'] && $channel['channel_hash'] !== $target_item['owner_xchan']) {
            logger("notifier: Sending channel {$channel['channel_hash']} is not owner {$target_item['owner_xchan']} or author {$target_item['author_xchan']}");
            return;
        }
        if ($target_item['id'] == $target_item['parent']) {
            $parent_item = $target_item;
            $top_level_post = true;
        } else {
            // fetch the parent item
            $r = q("SELECT * from item where id = %d order by id asc", intval($target_item['parent']));
            if (!$r) {
                return;
            }
            xchan_query($r);
            $r = fetch_post_tags($r);
            $parent_item = $r[0];
            $top_level_post = false;
        }
        // avoid looping of discover items 12/4/2014
        if ($sys && $parent_item['uid'] == $sys['channel_id']) {
            return;
        }
        $encoded_item = encode_item($target_item);
        // Send comments to the owner to re-deliver to everybody in the conversation
        // We only do this if the item in question originated on this site. This prevents looping.
        // To clarify, a site accepting a new comment is responsible for sending it to the owner for relay.
        // Relaying should never be initiated on a post that arrived from elsewhere.
        // We should normally be able to rely on ITEM_ORIGIN, but start_delivery_chain() incorrectly set this
        // flag on comments for an extended period. So we'll also call comment_local_origin() which looks at
        // the hostname in the message_id and provides a second (fallback) opinion.
        $relay_to_owner = !$top_level_post && $target_item['item_flags'] & ITEM_ORIGIN && comment_local_origin($target_item) ? true : false;
        $uplink = false;
        // $cmd === 'relay' indicates the owner is sending it to the original recipients
        // don't allow the item in the relay command to relay to owner under any circumstances, it will loop
        logger('notifier: relay_to_owner: ' . ($relay_to_owner ? 'true' : 'false'), LOGGER_DATA);
        logger('notifier: top_level_post: ' . ($top_level_post ? 'true' : 'false'), LOGGER_DATA);
        logger('notifier: target_item_flags: ' . $target_item['item_flags'] . ' ' . ($target_item['item_flags'] & ITEM_ORIGIN ? 'true' : 'false'), LOGGER_DATA);
        // tag_deliver'd post which needs to be sent back to the original author
        if ($cmd === 'uplink' && $parent_item['item_flags'] & ITEM_UPLINK && !$top_level_post) {
            logger('notifier: uplink');
            $uplink = true;
        }
        if (($relay_to_owner || $uplink) && $cmd !== 'relay') {
            logger('notifier: followup relay', LOGGER_DEBUG);
            $recipients = array($uplink ? $parent_item['source_xchan'] : $parent_item['owner_xchan']);
            $private = true;
            if (!$encoded_item['flags']) {
                $encoded_item['flags'] = array();
            }
            $encoded_item['flags'][] = 'relay';
        } else {
            logger('notifier: normal distribution', LOGGER_DEBUG);
            if ($cmd === 'relay') {
                logger('notifier: owner relay');
            }
            // if our parent is a tag_delivery recipient, uplink to the original author causing
            // a delivery fork.
            if ($parent_item['item_flags'] & ITEM_UPLINK && !$top_level_post && $cmd !== 'uplink') {
                logger('notifier: uplinking this item');
                proc_run('php', 'include/notifier.php', 'uplink', $item_id);
            }
            $private = false;
            $recipients = collect_recipients($parent_item, $private);
            // FIXME add any additional recipients such as mentions, etc.
            // don't send deletions onward for other people's stuff
            // TODO verify this is needed - copied logic from same place in old code
            if ($target_item['item_restrict'] & ITEM_DELETED && !($target_item['item_flags'] & ITEM_WALL)) {
                logger('notifier: ignoring delete notification for non-wall item');
                return;
            }
        }
    }
    $walltowall = $top_level_post && $channel['xchan_hash'] === $target_item['author_xchan'] ? true : false;
    // Generic delivery section, we have an encoded item and recipients
    // Now start the delivery process
    $x = $encoded_item;
    $x['title'] = 'private';
    $x['body'] = 'private';
    logger('notifier: encoded item: ' . print_r($x, true), LOGGER_DATA);
    stringify_array_elms($recipients);
    if (!$recipients) {
        return;
    }
    //	logger('notifier: recipients: ' . print_r($recipients,true));
    $env_recips = $private ? array() : null;
    $details = q("select xchan_hash, xchan_instance_url, xchan_network, xchan_addr, xchan_guid, xchan_guid_sig from xchan where xchan_hash in (" . implode(',', $recipients) . ")");
    $recip_list = array();
    if ($details) {
        foreach ($details as $d) {
            // If the recipient is federated from a traditional network they won't be able to
            // handle nomadic identity. If we're publishing from a site that they aren't
            // directly connected with, ignore them.
            // FIXME: make sure we run through a notifier loop on the hub they're connected
            // with if this post comes in from a different hub - so that we will deliver to them.
            // On the down side, these channels will stop working if the hub they connected with
            // goes down permanently, as they are (doh) not nomadic.
            if ($d['xchan_instance_url'] && $d['xchan_instance_url'] != z_root()) {
                continue;
            }
            $recip_list[] = $d['xchan_addr'] . ' (' . $d['xchan_hash'] . ')';
            if ($private) {
                $env_recips[] = array('guid' => $d['xchan_guid'], 'guid_sig' => $d['xchan_guid_sig'], 'hash' => $d['xchan_hash']);
            }
        }
    }
    if ($private && !$env_recips) {
        // shouldn't happen
        logger('notifier: private message with no envelope recipients.' . print_r($argv, true));
    }
    logger('notifier: recipients (may be delivered to more if public): ' . print_r($recip_list, true), LOGGER_DEBUG);
    // Now we have collected recipients (except for external mentions, FIXME)
    // Let's reduce this to a set of hubs.
    logger('notifier: hub choice: ' . intval($relay_to_owner) . ' ' . intval($private) . ' ' . $cmd, LOGGER_DEBUG);
    // FIXME: I think we need to remove the private bit or this clause will never execute. Needs more coffee to think it through.
    // We may in fact have to send it to clones in case the one we pick recently died.
    if ($relay_to_owner && !$private && $cmd !== 'relay') {
        // If sending a followup to the post owner, only send it to one channel clone - to avoid race conditions.
        // In this case we'll pick the most recently contacted hub, as their primary might be down and the most
        // recently contacted has the best chance of being alive.
        // For private posts or uplinks we have to do things differently as only the sending clone will have the recipient list.
        // We have to send to all clone channels of the owner to find out who has the definitive list. Posts with
        // item_private set (but no ACL list) will return empty recipients (except for the sender and owner) in
        // collect_recipients() above. The end result is we should get only one delivery per delivery chain if we
        // aren't the owner or author.
        $r = q("select hubloc_guid, hubloc_url, hubloc_sitekey, hubloc_network, hubloc_flags, hubloc_callback, hubloc_host from hubloc \n\t\t\twhere hubloc_hash in (" . implode(',', $recipients) . ") order by hubloc_connected desc limit 1");
    } else {
        $r = q("select hubloc_guid, hubloc_url, hubloc_sitekey, hubloc_network, hubloc_flags, hubloc_callback, hubloc_host from hubloc \n\t\t\twhere hubloc_hash in (" . implode(',', $recipients) . ") and not (hubloc_flags & %d) > 0  and not (hubloc_status & %d) > 0", intval(HUBLOC_FLAGS_DELETED), intval(HUBLOC_OFFLINE));
    }
    if (!$r) {
        logger('notifier: no hubs');
        return;
    }
    $hubs = $r;
    /**
     * Reduce the hubs to those that are unique. For zot hubs, we need to verify uniqueness by the sitekey, since it may have been 
     * a re-install which has not yet been detected and pruned.
     * For other networks which don't have or require sitekeys, we'll have to use the URL
     */
    $hublist = array();
    // this provides an easily printable list for the logs
    $dhubs = array();
    // delivery hubs where we store our resulting unique array
    $keys = array();
    // array of keys to check uniquness for zot hubs
    $urls = array();
    // array of urls to check uniqueness of hubs from other networks
    foreach ($hubs as $hub) {
        if ($hub['hubloc_network'] == 'zot') {
            if (!in_array($hub['hubloc_sitekey'], $keys)) {
                $hublist[] = $hub['hubloc_host'];
                $dhubs[] = $hub;
                $keys[] = $hub['hubloc_sitekey'];
            }
        } else {
            if (!in_array($hub['hubloc_url'], $urls)) {
                $hublist[] = $hub['hubloc_host'];
                $dhubs[] = $hub;
                $urls[] = $hub['hubloc_url'];
            }
        }
    }
    logger('notifier: will notify/deliver to these hubs: ' . print_r($hublist, true), LOGGER_DEBUG);
    $interval = get_config('system', 'delivery_interval') !== false ? intval(get_config('system', 'delivery_interval')) : 2;
    $deliveries_per_process = intval(get_config('system', 'delivery_batch_count'));
    if ($deliveries_per_process <= 0) {
        $deliveries_per_process = 1;
    }
    $deliver = array();
    foreach ($dhubs as $hub) {
        if (defined('DIASPORA_RELIABILITY_EMULATION')) {
            $cointoss = mt_rand(0, 2);
            if ($cointoss == 2) {
                continue;
            }
        }
        if ($hub['hubloc_network'] === 'diaspora' || $hub['hubloc_network'] === 'friendica-over-diaspora') {
            if (!get_config('system', 'diaspora_enabled')) {
                continue;
            }
            require_once 'include/diaspora.php';
            diaspora_process_outbound(array('channel' => $channel, 'env_recips' => $env_recips, 'recipients' => $recipients, 'item' => $item, 'target_item' => $target_item, 'hub' => $hub, 'top_level_post' => $top_level_post, 'private' => $private, 'followup' => $followup, 'relay_to_owner' => $relay_to_owner, 'uplink' => $uplink, 'cmd' => $cmd, 'expire' => $expire, 'mail' => $mail, 'location' => $location, 'fsuggest' => $fsuggest, 'request' => $request, 'normal_mode' => $normal_mode, 'packet_type' => $packet_type, 'walltowall' => $walltowall));
            continue;
        }
        // default: zot protocol
        $hash = random_string();
        if ($packet_type === 'refresh' || $packet_type === 'purge') {
            $n = zot_build_packet($channel, $packet_type);
            q("insert into outq ( outq_hash, outq_account, outq_channel, outq_driver, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) values ( '%s', %d, %d, '%s', '%s', %d, '%s', '%s', '%s', '%s' )", dbesc($hash), intval($channel['channel_account_id']), intval($channel['channel_id']), dbesc('zot'), dbesc($hub['hubloc_callback']), intval(1), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc($n), dbesc(''));
        } elseif ($packet_type === 'request') {
            $n = zot_build_packet($channel, 'request', $env_recips, $hub['hubloc_sitekey'], $hash, array('message_id' => $request_message_id));
            q("insert into outq ( outq_hash, outq_account, outq_channel, outq_driver, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) values ( '%s', %d, %d, '%s', '%s', %d, '%s', '%s', '%s', '%s' )", dbesc($hash), intval($channel['channel_account_id']), intval($channel['channel_id']), dbesc('zot'), dbesc($hub['hubloc_callback']), intval(1), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc($n), dbesc(''));
        } else {
            $n = zot_build_packet($channel, 'notify', $env_recips, $private ? $hub['hubloc_sitekey'] : null, $hash);
            q("insert into outq ( outq_hash, outq_account, outq_channel, outq_driver, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) values ( '%s', %d, %d, '%s', '%s', %d, '%s', '%s', '%s', '%s' )", dbesc($hash), intval($target_item['aid']), intval($target_item['uid']), dbesc('zot'), dbesc($hub['hubloc_callback']), intval(1), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc($n), dbesc(json_encode($encoded_item)));
        }
        $deliver[] = $hash;
        if (count($deliver) >= $deliveries_per_process) {
            proc_run('php', 'include/deliver.php', $deliver);
            $deliver = array();
            if ($interval) {
                @time_sleep_until(microtime(true) + (double) $interval);
            }
        }
    }
    // catch any stragglers
    if (count($deliver)) {
        proc_run('php', 'include/deliver.php', $deliver);
    }
    logger('notifier: basic loop complete.', LOGGER_DEBUG);
    if ($normal_mode) {
        call_hooks('notifier_normal', $target_item);
    }
    call_hooks('notifier_end', $target_item);
    logger('notifer: complete.');
    return;
}