diff options
Diffstat (limited to 'include/notifier.php')
| -rw-r--r-- | include/notifier.php | 664 |
1 files changed, 0 insertions, 664 deletions
diff --git a/include/notifier.php b/include/notifier.php deleted file mode 100644 index 780a8798c..000000000 --- a/include/notifier.php +++ /dev/null @@ -1,664 +0,0 @@ -<?php /** @file */ - -require_once("boot.php"); -require_once('include/queue_fn.php'); -require_once('include/html2plain.php'); - -/* - * This file was at one time responsible for doing all deliveries, but this caused - * big problems on shared hosting systems, where the process might get killed by the - * hosting provider and nothing would get delivered. - * It now only delivers one message under certain cases, and invokes a queued - * delivery mechanism (include/deliver.php) to deliver individual contacts at - * controlled intervals. - * This has a much better chance of surviving random processes getting killed - * by the hosting provider. - * - * The basic flow is: - * Identify the type of message - * Collect any information that needs to be sent - * Convert it into a suitable generic format for sending - * Figure out who the recipients are and if we need to relay - * through a conversation owner - * Once we know what recipients are involved, collect a list of - * destination sites - * Build and store a queue item for each unique site and invoke - * a delivery process for each site or a small number of sites (1-3) - * and add a slight delay between each delivery invocation if desired (usually) - * - */ - -/* - * The notifier is typically called with: - * - * proc_run('php', "include/notifier.php", COMMAND, ITEM_ID); - * - * where COMMAND is one of the following: - * - * activity (in diaspora.php, dfrn_confirm.php, profiles.php) - * comment-import (in diaspora.php, items.php) - * comment-new (in item.php) - * drop (in diaspora.php, items.php, photos.php) - * edit_post (in item.php) - * event (in events.php) - * expire (in items.php) - * like (in like.php, poke.php) - * mail (in message.php) - * tag (in photos.php, poke.php, tagger.php) - * tgroup (in items.php) - * wall-new (in photos.php, item.php) - * - * and ITEM_ID is the id of the item in the database that needs to be sent to others. - * - * ZOT - * permission_create abook_id - * permission_update abook_id - * refresh_all channel_id - * purge_all channel_id - * expire channel_id - * relay item_id (item was relayed to owner, we will deliver it as owner) - * single_activity item_id (deliver to a singleton network from the appropriate clone) - * single_mail mail_id (deliver to a singleton network from the appropriate clone) - * location channel_id - * request channel_id xchan_hash message_id - * rating xlink_id - * - */ - -require_once('include/cli_startup.php'); -require_once('include/zot.php'); -require_once('include/queue_fn.php'); -require_once('include/datetime.php'); -require_once('include/items.php'); -require_once('include/bbcode.php'); -require_once('include/identity.php'); -require_once('include/Contact.php'); - -function notifier_run($argc,$argv){ - - 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' || $cmd === 'single_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($target_item['item_delayed']) || intval($target_item['item_hidden'])) { - 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, - 'relay_to_owner' => $relay_to_owner, - 'uplink' => $uplink, - 'cmd' => $cmd, - 'mail' => $mail, - 'single' => (($cmd === 'single_mail' || $cmd === 'single_activity') ? true : false), - '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; - } - - // notifier_process can alter the recipient list - - $recipients = $narr['recipients']; - $env_recips = $narr['env_recips']; - $packet_recips = $narr['packet_recips']; - - if(($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) . ") - and 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, - 'relay_to_owner' => $relay_to_owner, - 'uplink' => $uplink, - 'cmd' => $cmd, - 'mail' => $mail, - 'single' => (($cmd === 'single_mail' || $cmd === 'single_activity') ? true : false), - '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[] = $pq; - } - continue; - - } - - // singleton deliveries by definition 'not got zot'. - // Single deliveries are other federated networks (plugins) and we're essentially - // delivering only to those that have this site url in their abook_instance - // and only from within a sync operation. This means if you post from a clone, - // and a connection is connected to one of your other clones; assuming that hub - // is running it will receive a sync packet. On receipt of this sync packet it - // will invoke a delivery to those connections which are connected to just that - // hub instance. - - if($cmd === 'single_mail' || $cmd === 'single_activity') { - 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; - -} - - -if (array_search(__file__,get_included_files())===0){ - notifier_run($argc,$argv); - killme(); -} |