page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
if(argc() > 1 && argv(1) !== 'load')
$item_hash = argv(1);
if($_REQUEST['mid'])
$item_hash = $_REQUEST['mid'];
if(! $item_hash) {
$a->error = 404;
notice( t('Item not found.') . EOL);
return;
}
$observer_is_owner = false;
if(local_channel() && (! $update)) {
$channel = $a->get_channel();
$channel_acl = array(
'allow_cid' => $channel['channel_allow_cid'],
'allow_gid' => $channel['channel_allow_gid'],
'deny_cid' => $channel['channel_deny_cid'],
'deny_gid' => $channel['channel_deny_gid']
);
$x = array(
'is_owner' => true,
'allow_location' => ((intval(get_pconfig($channel['channel_id'],'system','use_browser_location'))) ? '1' : ''),
'default_location' => $channel['channel_location'],
'nickname' => $channel['channel_address'],
'lockstate' => (($group || $cid || $channel['channel_allow_cid'] || $channel['channel_allow_gid'] || $channel['channel_deny_cid'] || $channel['channel_deny_gid']) ? 'lock' : 'unlock'),
'acl' => populate_acl($channel_acl),
'bang' => '',
'visitor' => true,
'profile_uid' => local_channel(),
'return_path' => 'channel/' . $channel['channel_address'],
'expanded' => true
);
$o = '';
}
// This page can be viewed by anybody so the query could be complicated
// First we'll see if there is a copy of the item which is owned by us - if we're logged in locally.
// If that fails (or we aren't logged in locally),
// query an item in which the observer (if logged in remotely) has cid or gid rights
// and if that fails, look for a copy of the post that has no privacy restrictions.
// If we find the post, but we don't find a copy that we're allowed to look at, this fact needs to be reported.
// find a copy of the item somewhere
$target_item = null;
$r = q("select id, uid, mid, parent_mid, item_restrict from item where mid like '%s' limit 1",
dbesc($item_hash . '%')
);
if($r) {
$target_item = $r[0];
}
$r = null;
if($target_item['item_restrict'] & ITEM_WEBPAGE) {
$x = q("select * from channel where channel_id = %d limit 1",
intval($target_item['uid'])
);
$y = q("select * from item_id where uid = %d and service = 'WEBPAGE' and iid = %d limit 1",
intval($target_item['uid']),
intval($target_item['id'])
);
if($x && $y) {
goaway(z_root() . '/page/' . $x[0]['channel_address'] . '/' . $y[0]['sid']);
}
else {
notice( t('Page not found.') . EOL);
return '';
}
}
$simple_update = (($update) ? " AND item_unseen = 1 " : '');
if($update && $_SESSION['loadtime'])
$simple_update .= " and item.changed > '" . datetime_convert('UTC','UTC',$_SESSION['loadtime']) . "' ";
if($load)
$simple_update = '';
if((! $update) && (! $load)) {
$o .= '' . "\r\n";
$o .= "\r\n";
$a->page['htmlhead'] .= replace_macros(get_markup_template("build_query.tpl"),array(
'$baseurl' => z_root(),
'$pgtype' => 'display',
'$uid' => '0',
'$gid' => '0',
'$cid' => '0',
'$cmin' => '0',
'$cmax' => '99',
'$star' => '0',
'$liked' => '0',
'$conv' => '0',
'$spam' => '0',
'$fh' => '0',
'$nouveau' => '0',
'$wall' => '0',
'$page' => (($a->pager['page'] != 1) ? $a->pager['page'] : 1),
'$list' => ((x($_REQUEST,'list')) ? intval($_REQUEST['list']) : 0),
'$search' => '',
'$order' => '',
'$file' => '',
'$cats' => '',
'$tags' => '',
'$dend' => '',
'$dbegin' => '',
'$verb' => '',
'$mid' => $item_hash
));
}
$observer_hash = get_observer_hash();
$sql_extra = public_permissions_sql($observer_hash);
if(($update && $load) || ($_COOKIE['jsAvailable'] != 1)) {
$updateable = false;
$pager_sql = sprintf(" LIMIT %d OFFSET %d ", intval($a->pager['itemspage']),intval($a->pager['start']));
if($load || ($_COOKIE['jsAvailable'] != 1)) {
$r = null;
require_once('include/identity.php');
$sys = get_sys_channel();
$sysid = $sys['channel_id'];
if(local_channel()) {
$r = q("SELECT * from item
WHERE item_restrict = 0
and uid = %d
and mid = '%s'
limit 1",
intval(local_channel()),
dbesc($target_item['parent_mid'])
);
if($r) {
$updateable = true;
}
}
if($r === null) {
// in case somebody turned off public access to sys channel content using permissions
// make that content unsearchable by ensuring the owner_xchan can't match
if(! perm_is_allowed($sysid,$observer_hash,'view_stream'))
$sysid = 0;
$r = q("SELECT * from item
WHERE item_restrict = 0
and mid = '%s'
AND (((( `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = ''
AND `item`.`deny_gid` = '' AND item_private = 0 )
and owner_xchan in ( " . stream_perms_xchans(($observer_hash) ? (PERMS_NETWORK|PERMS_PUBLIC) : PERMS_PUBLIC) . " ))
OR uid = %d )
$sql_extra )
limit 1",
dbesc($target_item['parent_mid']),
intval($sysid)
);
}
}
else {
$r = array();
}
}
if($r) {
$parents_str = ids_to_querystr($r,'id');
if($parents_str) {
$items = q("SELECT `item`.*, `item`.`id` AS `item_id`
FROM `item`
WHERE item_restrict = 0 and parent in ( %s ) ",
dbesc($parents_str)
);
xchan_query($items);
$items = fetch_post_tags($items,true);
$items = conv_sort($items,'created');
}
} else {
$items = array();
}
if ($_COOKIE['jsAvailable'] == 1) {
$o .= conversation($a, $items, 'display', $update, 'client');
} else {
$o .= conversation($a, $items, 'display', $update, 'traditional');
if ($items[0]['title'])
$a->page['title'] = $items[0]['title'] . " - " . $a->page['title'];
}
if($updateable) {
$x = q("UPDATE item SET item_unseen = 0 WHERE item_unseen = 1 AND uid = %d and parent = %d ",
intval(local_channel()),
intval($r[0]['parent'])
);
}
$o .= '';
return $o;
/*
elseif((! $update) && (! {
$r = q("SELECT `id`, item_flags FROM `item` WHERE `id` = '%s' OR `mid` = '%s' LIMIT 1",
dbesc($item_hash),
dbesc($item_hash)
);
if($r) {
if($r[0]['item_flags'] & ITEM_DELETED) {
notice( t('Item has been removed.') . EOL );
}
else {
notice( t('Permission denied.') . EOL );
}
}
else {
notice( t('Item not found.') . EOL );
}
}
*/
return $o;
}