<?php /** @file */ function rconnect_url($channel_id,$xchan) { if(! $xchan) return ''; $r = q("select abook_id from abook where abook_channel = %d and abook_xchan = '%s' limit 1", intval($channel_id), dbesc($xchan) ); if($r) return ''; $r = q("select * from xchan where xchan_hash = '%s' limit 1", dbesc($xchan) ); if(($r) && ($r[0]['xchan_follow'])) return $r[0]['xchan_follow']; $r = q("select hubloc_url from hubloc where hubloc_hash = '%s' and hubloc_primary = 1 limit 1", dbesc($xchan) ); if($r) return $r[0]['hubloc_url'] . '/follow?f=&url=%s'; return ''; } function abook_connections($channel_id, $sql_conditions = '') { $r = q("select * from abook left join xchan on abook_xchan = xchan_hash where abook_channel = %d and abook_self = 0 $sql_conditions", intval($channel_id) ); return(($r) ? $r : array()); } function abook_self($channel_id) { $r = q("select * from abook left join xchan on abook_xchan = xchan_hash where abook_channel = %d and abook_self = 1 limit 1", intval($channel_id) ); return(($r) ? $r[0] : array()); } function channelx_by_nick($nick) { $r = q("SELECT * FROM channel left join xchan on channel_hash = xchan_hash WHERE channel_address = '%s' and channel_removed = 0 LIMIT 1", dbesc($nick) ); return(($r) ? $r[0] : false); } function channelx_by_hash($hash) { $r = q("SELECT * FROM channel left join xchan on channel_hash = xchan_hash WHERE channel_hash = '%s' and channel_removed = 0 LIMIT 1", dbesc($hash) ); return(($r) ? $r[0] : false); } function channelx_by_n($id) { $r = q("SELECT * FROM channel left join xchan on channel_hash = xchan_hash WHERE channel_id = %d and channel_removed = 0 LIMIT 1", dbesc($id) ); return(($r) ? $r[0] : false); } function vcard_from_xchan($xchan, $observer = null, $mode = '') { $a = get_app(); if(! $xchan) { if($a->poi) { $xchan = $a->poi; } elseif(is_array($a->profile) && $a->profile['channel_hash']) { $r = q("select * from xchan where xchan_hash = '%s' limit 1", dbesc($a->profile['channel_hash']) ); if($r) $xchan = $r[0]; } } if(! $xchan) return; // FIXME - show connect button to observer if appropriate $connect = false; if(local_channel()) { $r = q("select * from abook where abook_xchan = '%s' and abook_channel = %d limit 1", dbesc($xchan['xchan_hash']), intval(local_channel()) ); if(! $r) $connect = t('Connect'); } if(array_key_exists('channel_id',$xchan)) $a->profile_uid = $xchan['channel_id']; $url = (($observer) ? z_root() . '/magic?f=&dest=' . $xchan['xchan_url'] . '&addr=' . $xchan['xchan_addr'] : $xchan['xchan_url'] ); return replace_macros(get_markup_template('xchan_vcard.tpl'),array( '$name' => $xchan['xchan_name'], '$photo' => ((is_array($a->profile) && array_key_exists('photo',$a->profile)) ? $a->profile['photo'] : $xchan['xchan_photo_l']), '$follow' => $xchan['xchan_addr'], '$link' => zid($xchan['xchan_url']), '$connect' => $connect, '$newwin' => (($mode === 'chanview') ? t('New window') : ''), '$newtit' => t('Open the selected location in a different window or browser tab'), '$url' => $url, )); } function abook_toggle_flag($abook,$flag) { $field = ''; switch($flag) { case ABOOK_FLAG_BLOCKED: $field = 'abook_blocked'; break; case ABOOK_FLAG_IGNORED: $field = 'abook_ignored'; break; case ABOOK_FLAG_HIDDEN: $field = 'abook_hidden'; break; case ABOOK_FLAG_ARCHIVED: $field = 'abook_archived'; break; case ABOOK_FLAG_PENDING: $field = 'abook_pending'; break; case ABOOK_FLAG_UNCONNECTED: $field = 'abook_unconnected'; break; case ABOOK_FLAG_SELF: $field = 'abook_self'; break; case ABOOK_FLAG_FEED: $field = 'abook_feed'; break; default: break; } if(! $field) return; $r = q("UPDATE abook set $field = (1 - $field) where abook_id = %d and abook_channel = %d", intval($abook['abook_id']), intval($abook['abook_channel']) ); // if unsetting the archive bit, update the timestamps so we'll try to connect for an additional 30 days. if(($flag === ABOOK_FLAG_ARCHIVED) && (intval($abook['abook_archived']))) { $r = q("update abook set abook_connected = '%s', abook_updated = '%s' where abook_id = %d and abook_channel = %d", dbesc(datetime_convert()), dbesc(datetime_convert()), intval($abook['abook_id']), intval($abook['abook_channel']) ); } return $r; } // Included here for completeness, but this is a very dangerous operation. // It is the caller's responsibility to confirm the requestor's intent and // authorisation to do this. function user_remove($uid) { } function account_remove($account_id,$local = true,$unset_session=true) { logger('account_remove: ' . $account_id); if(! intval($account_id)) { logger('account_remove: no account.'); return false; } // Don't let anybody nuke the only admin account. $r = q("select account_id from account where (account_roles & %d)>0", intval(ACCOUNT_ROLE_ADMIN) ); if($r !== false && count($r) == 1 && $r[0]['account_id'] == $account_id) { logger("Unable to remove the only remaining admin account"); return false; } $r = q("select * from account where account_id = %d limit 1", intval($account_id) ); $account_email=$r[0]['account_email']; if(! $r) { logger('account_remove: No account with id: ' . $account_id); return false; } $x = q("select channel_id from channel where channel_account_id = %d", intval($account_id) ); if($x) { foreach($x as $xx) { channel_remove($xx['channel_id'],$local,false); } } $r = q("delete from account where account_id = %d", intval($account_id) ); if ($unset_session) { unset($_SESSION['authenticated']); unset($_SESSION['uid']); notice( sprintf(t("User '%s' deleted"),$account_email) . EOL); goaway(get_app()->get_baseurl()); } return $r; } // recursively delete a directory function rrmdir($path) { if (is_dir($path) === true) { $files = array_diff(scandir($path), array('.', '..')); foreach ($files as $file) { rrmdir(realpath($path) . '/' . $file); } return rmdir($path); } else if (is_file($path) === true) { return unlink($path); } return false; } function channel_remove($channel_id, $local = true, $unset_session=true) { if(! $channel_id) return; $a = get_app(); logger('Removing channel: ' . $channel_id); logger('channel_remove: local only: ' . intval($local)); $r = q("select * from channel where channel_id = %d limit 1", intval($channel_id)); if(! $r) { logger('channel_remove: channel not found: ' . $channel_id); return; } $channel = $r[0]; call_hooks('channel_remove',$r[0]); if(! $local) { $r = q("update channel set channel_deleted = '%s', channel_removed = 1, channel_r_stream = 0, channel_r_profile = 0, channel_r_photos = 0, channel_r_abook = 0, channel_w_stream = 0, channel_w_wall = 0, channel_w_tagwall = 0, channel_w_comment = 0, channel_w_mail = 0, channel_w_photos = 0, channel_w_chat = 0, channel_a_delegate = 0, channel_r_storage = 0, channel_w_storage = 0, channel_r_pages = 0, channel_w_pages = 0, channel_a_republish = 0 where channel_id = %d", dbesc(datetime_convert()), intval($channel_id) ); logger('deleting hublocs',LOGGER_DEBUG); $r = q("update hubloc set hubloc_deleted = 1 where hubloc_hash = '%s'", dbesc($channel['channel_hash']) ); $r = q("update xchan set xchan_deleted = 1 where xchan_hash = '%s'", dbesc($channel['channel_hash']) ); proc_run('php','include/notifier.php','purge_all',$channel_id); } q("DELETE FROM `groups` WHERE `uid` = %d", intval($channel_id)); q("DELETE FROM `group_member` WHERE `uid` = %d", intval($channel_id)); q("DELETE FROM `event` WHERE `uid` = %d", intval($channel_id)); q("DELETE FROM `item` WHERE `uid` = %d", intval($channel_id)); q("DELETE FROM `item_id` WHERE `uid` = %d", intval($channel_id)); q("DELETE FROM `mail` WHERE `channel_id` = %d", intval($channel_id)); q("DELETE FROM `notify` WHERE `uid` = %d", intval($channel_id)); q("DELETE FROM `photo` WHERE `uid` = %d", intval($channel_id)); q("DELETE FROM `attach` WHERE `uid` = %d", intval($channel_id)); q("DELETE FROM `profile` WHERE `uid` = %d", intval($channel_id)); q("DELETE FROM `pconfig` WHERE `uid` = %d", intval($channel_id)); q("DELETE FROM `spam` WHERE `uid` = %d", intval($channel_id)); // @FIXME At this stage we need to remove the file resources located under /store/$nickname q("delete from abook where abook_xchan = '%s' and abook_self = 1 ", dbesc($channel['channel_hash']) ); $r = q("update channel set channel_deleted = '%s', channel_removed = 1 where channel_id = %d", dbesc(datetime_convert()), intval($channel_id) ); // if this was the default channel, set another one as default if($a->account['account_default_channel'] == $channel_id) { $r = q("select channel_id from channel where channel_account_id = %d and channel_removed = 0 limit 1", intval($a->account['account_id']), intval(PAGE_REMOVED)); if ($r) { $rr = q("update account set account_default_channel = %d where account_id = %d", intval($r[0]['channel_id']), intval($a->account['account_id'])); logger("Default channel deleted, changing default to channel_id " . $r[0]['channel_id']); } else { $rr = q("update account set account_default_channel = 0 where account_id = %d", intval($r[0]['channel_id']), intval($a->account['account_id'])); } } logger('deleting hublocs',LOGGER_DEBUG); $r = q("update hubloc set hubloc_deleted = 1 where hubloc_hash = '%s' and hubloc_url = '%s' ", dbesc($channel['channel_hash']), dbesc(z_root()) ); // Do we have any valid hublocs remaining? $hublocs = 0; $r = q("select hubloc_id from hubloc where hubloc_hash = '%s' and hubloc_deleted = 0", dbesc($channel['channel_hash']) ); if($r) $hublocs = count($r); if(! $hublocs) { $r = q("update xchan set xchan_deleted = 1 where xchan_hash = '%s' ", dbesc($channel['channel_hash']) ); } //remove from file system $r = q("select channel_address from channel where channel_id = %d limit 1", intval($channel_id) ); if($r) $channel_address = $r[0]['channel_address'] ; if ($channel_address !== '') { $f = 'store/' . $channel_address.'/'; logger ('delete '. $f); if(is_dir($f)) @rrmdir($f); } proc_run('php','include/directory.php',$channel_id); if($channel_id == local_channel() && $unset_session) { unset($_SESSION['authenticated']); unset($_SESSION['uid']); goaway($a->get_baseurl()); } } /** * mark any hubs "offline" that haven't been heard from in more than 30 days * Allow them to redeem themselves if they come back later. * Then go through all those that are newly marked and see if any other hubs * are attached to the controlling xchan that are still alive. * If not, they're dead (although they could come back some day). */ function mark_orphan_hubsxchans() { $dirmode = intval(get_config('system','directory_mode')); if($dirmode == DIRECTORY_MODE_NORMAL) return; $r = q("update hubloc set hubloc_error = 1 where hubloc_error = 0 and hubloc_network = 'zot' and hubloc_connected < %s - interval %s", db_utcnow(), db_quoteinterval('36 day') ); // $realm = get_directory_realm(); // if($realm == DIRECTORY_REALM) { // $r = q("select * from site where site_access != 0 and site_register !=0 and ( site_realm = '%s' or site_realm = '') order by rand()", // dbesc($realm) // ); // } // else { // $r = q("select * from site where site_access != 0 and site_register !=0 and site_realm = '%s' order by rand()", // dbesc($realm) // ); // } $r = q("select hubloc_id, hubloc_hash from hubloc where hubloc_error = 0 and hubloc_orphancheck = 0"); if($r) { foreach($r as $rr) { // see if any other hublocs are still alive for this channel $x = q("select * from hubloc where hubloc_hash = '%s' and hubloc_error = 0", dbesc($rr['hubloc_hash']) ); if($x) { // yes - if the xchan was marked as an orphan, undo it $y = q("update xchan set xchan_orphan = 0 where xchan_orphan = 1 and xchan_hash = '%s'", dbesc($rr['hubloc_hash']) ); } else { // nope - mark the xchan as an orphan $y = q("update xchan set xchan_orphan = 1 where xchan_hash = '%s'", dbesc($rr['hubloc_hash']) ); } // mark that we've checked this entry so we don't need to do it again $y = q("update hubloc set hubloc_orphancheck = 1 where hubloc_id = %d", dbesc($rr['hubloc_id']) ); } } } function remove_all_xchan_resources($xchan, $channel_id = 0) { if(intval($channel_id)) { } else { $dirmode = intval(get_config('system','directory_mode')); $r = q("delete from photo where xchan = '%s'", dbesc($xchan) ); $r = q("select resource_id, resource_type, uid, id from item where ( author_xchan = '%s' or owner_xchan = '%s' ) ", dbesc($xchan), dbesc($xchan) ); if($r) { foreach($r as $rr) { drop_item($rr,false); } } $r = q("delete from event where event_xchan = '%s'", dbesc($xchan) ); $r = q("delete from group_member where xchan = '%s'", dbesc($xchan) ); $r = q("delete from mail where ( from_xchan = '%s' or to_xchan = '%s' )", dbesc($xchan), dbesc($xchan) ); $r = q("delete from xlink where ( xlink_xchan = '%s' or xlink_link = '%s' )", dbesc($xchan), dbesc($xchan) ); $r = q("delete from abook where abook_xchan = '%s'", dbesc($xchan) ); if($dirmode === false || $dirmode == DIRECTORY_MODE_NORMAL) { $r = q("delete from xchan where xchan_hash = '%s'", dbesc($xchan) ); $r = q("delete from hubloc where hubloc_hash = '%s'", dbesc($xchan) ); } else { // directory servers need to keep the record around for sync purposes - mark it deleted $r = q("update hubloc set hubloc_deleted = 1 where hubloc_hash = '%s'", dbesc($xchan) ); $r = q("update xchan set xchan_deleted = 1 where xchan_hash = '%s'", dbesc($xchan) ); } } } function contact_remove($channel_id, $abook_id) { if((! $channel_id) || (! $abook_id)) return false; logger('removing contact ' . $abook_id . ' for channel ' . $channel_id,LOGGER_DEBUG); $archive = get_pconfig($channel_id, 'system','archive_removed_contacts'); if($archive) { q("update abook set abook_archived = 1 where abook_id = %d and abook_channel = %d", intval($abook_id), intval($channel_id) ); return true; } $r = q("select * from abook where abook_id = %d and abook_channel = %d limit 1", intval($abook_id), intval($channel_id) ); if(! $r) return false; $abook = $r[0]; if(intval($abook['abook_self'])) return false; $r = q("select * from item where author_xchan = '%s' and uid = %d", dbesc($abook['abook_xchan']), intval($channel_id) ); if($r) { foreach($r as $rr) { drop_item($rr['id'],false); } } q("delete from abook where abook_id = %d and abook_channel = %d", intval($abook['abook_id']), intval($channel_id) ); $r = q("delete from event where event_xchan = '%s' and uid = %d", dbesc($abook['abook_xchan']), intval($channel_id) ); $r = q("delete from group_member where xchan = '%s' and uid = %d", dbesc($abook['abook_xchan']), intval($channel_id) ); $r = q("delete from mail where ( from_xchan = '%s' or to_xchan = '%s' ) and channel_id = %d ", dbesc($abook['abook_xchan']), dbesc($abook['abook_xchan']), intval($channel_id) ); return true; } function random_profile() { $randfunc = db_getfunc('rand'); $checkrandom = get_config('randprofile','check'); // False by default $retryrandom = intval(get_config('randprofile','retry')); if($retryrandom == 0) $retryrandom = 5; for($i = 0; $i < $retryrandom; $i++) { $r = q("select xchan_url from xchan left join hubloc on hubloc_hash = xchan_hash where hubloc_connected > %s - interval %s order by $randfunc limit 1", db_utcnow(), db_quoteinterval('30 day') ); if(!$r) return ''; // Couldn't get a random channel if($checkrandom) { $x = z_fetch_url($r[0]['xchan_url']); if($x['success']) return $r[0]['xchan_url']; else logger('Random channel turned out to be bad.'); } else { return $r[0]['xchan_url']; } } return ''; }