<?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 = '') {
if(! $xchan) {
if(App::$poi) {
$xchan = App::$poi;
}
elseif(is_array(App::$profile) && App::$profile['channel_hash']) {
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc(App::$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))
App::$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(App::$profile) && array_key_exists('photo',App::$profile)) ? App::$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(z_root());
}
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=false) {
if(! $channel_id)
return;
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'])
);
Zotlabs\Daemon\Master::Summon(array('Notifier','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(App::$account['account_default_channel'] == $channel_id) {
$r = q("select channel_id from channel where channel_account_id = %d and channel_removed = 0 limit 1",
intval(App::$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(App::$account['account_id']));
logger("Default channel deleted, changing default to channel_id " . $r[0]['channel_id']);
}
else {
$rr = q("update account set account_default_channel = 0 where account_id = %d",
intval(App::$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($f);
}
Zotlabs\Daemon\Master::Summon(array('Directory',$channel_id));
if($channel_id == local_channel() && $unset_session) {
App::$session->nuke();
goaway(z_root());
}
}
/**
* 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 '';
}