<?php /** @file */ function group_add($uid,$name,$public = 0) { $ret = false; if(x($uid) && x($name)) { $r = group_byname($uid,$name); // check for dups if($r !== false) { // This could be a problem. // Let's assume we've just created a group which we once deleted // all the old members are gone, but the group remains so we don't break any security // access lists. What we're doing here is reviving the dead group, but old content which // was restricted to this group may now be seen by the new group members. $z = q("SELECT * FROM `groups` WHERE `id` = %d LIMIT 1", intval($r) ); if(count($z) && $z[0]['deleted']) { /*$r = q("UPDATE `groups` SET `deleted` = 0 WHERE `uid` = %d AND `name` = '%s' LIMIT 1", intval($uid), dbesc($name) );*/ q('UPDATE groups SET deleted = 0 WHERE id = %d', intval($z[0]['id'])); notice( t('A deleted group with this name was revived. Existing item permissions <strong>may</strong> apply to this group and any future members. If this is not what you intended, please create another group with a different name.') . EOL); } return true; } do { $dups = false; $hash = random_string() . $name; $r = q("SELECT id FROM `groups` WHERE hash = '%s' LIMIT 1", dbesc($hash)); if($r) $dups = true; } while($dups == true); $r = q("INSERT INTO `groups` ( hash, uid, visible, name ) VALUES( '%s', %d, %d, '%s' ) ", dbesc($hash), intval($uid), intval($public), dbesc($name) ); $ret = $r; } build_sync_packet($uid,null,true); return $ret; } function group_rmv($uid,$name) { $ret = false; if(x($uid) && x($name)) { $r = q("SELECT id, hash FROM `groups` WHERE `uid` = %d AND `name` = '%s' LIMIT 1", intval($uid), dbesc($name) ); if($r) { $group_id = $r[0]['id']; $group_hash = $r[0]['hash']; } if(! $group_id) return false; // remove group from default posting lists $r = q("SELECT channel_default_group, channel_allow_gid, channel_deny_gid FROM channel WHERE channel_id = %d LIMIT 1", intval($uid) ); if($r) { $user_info = $r[0]; $change = false; if($user_info['channel_default_group'] == $group_hash) { $user_info['channel_default_group'] = ''; $change = true; } if(strpos($user_info['channel_allow_gid'], '<' . $group_id . '>') !== false) { $user_info['channel_allow_gid'] = str_replace('<' . $group_hash . '>', '', $user_info['channel_allow_gid']); $change = true; } if(strpos($user_info['channel_deny_gid'], '<' . $group_id . '>') !== false) { $user_info['channel_deny_gid'] = str_replace('<' . $group_hash . '>', '', $user_info['channel_deny_gid']); $change = true; } if($change) { q("UPDATE channel SET channel_default_group = '%s', channel_allow_gid = '%s', channel_deny_gid = '%s' WHERE channel_id = %d", intval($user_info['channel_default_group']), dbesc($user_info['channel_allow_gid']), dbesc($user_info['channel_deny_gid']), intval($uid) ); } } // remove all members $r = q("DELETE FROM `group_member` WHERE `uid` = %d AND `gid` = %d ", intval($uid), intval($group_id) ); // remove group $r = q("UPDATE `groups` SET `deleted` = 1 WHERE `uid` = %d AND `name` = '%s'", intval($uid), dbesc($name) ); $ret = $r; } build_sync_packet($uid,null,true); return $ret; } function group_byname($uid,$name) { if((! $uid) || (! strlen($name))) return false; $r = q("SELECT * FROM `groups` WHERE `uid` = %d AND `name` = '%s' LIMIT 1", intval($uid), dbesc($name) ); if(count($r)) return $r[0]['id']; return false; } function group_rec_byhash($uid,$hash) { if((! $uid) || (! strlen($hash))) return false; $r = q("SELECT * FROM `groups` WHERE `uid` = %d AND `hash` = '%s' LIMIT 1", intval($uid), dbesc($hash) ); if($r) return $r[0]; return false; } function group_rmv_member($uid,$name,$member) { $gid = group_byname($uid,$name); if(! $gid) return false; if(! ( $uid && $gid && $member)) return false; $r = q("DELETE FROM `group_member` WHERE `uid` = %d AND `gid` = %d AND xchan = '%s' ", intval($uid), intval($gid), dbesc($member) ); build_sync_packet($uid,null,true); return $r; } function group_add_member($uid,$name,$member,$gid = 0) { if(! $gid) $gid = group_byname($uid,$name); if((! $gid) || (! $uid) || (! $member)) return false; $r = q("SELECT * FROM `group_member` WHERE `uid` = %d AND `gid` = %d AND `xchan` = '%s' LIMIT 1", intval($uid), intval($gid), dbesc($member) ); if(count($r)) return true; // You might question this, but // we indicate success because the group member was in fact created // -- It was just created at another time if(! count($r)) $r = q("INSERT INTO `group_member` (`uid`, `gid`, `xchan`) VALUES( %d, %d, '%s' ) ", intval($uid), intval($gid), dbesc($member) ); build_sync_packet($uid,null,true); return $r; } function group_get_members($gid) { $ret = array(); if(intval($gid)) { $r = q("SELECT * FROM `group_member` LEFT JOIN abook ON abook_xchan = `group_member`.`xchan` left join xchan on xchan_hash = abook_xchan WHERE `gid` = %d AND abook_channel = %d and `group_member`.`uid` = %d and xchan_deleted = 0 and abook_self = 0 and abook_blocked = 0 and abook_pending = 0 ORDER BY xchan_name ASC ", intval($gid), intval(local_channel()), intval(local_channel()) ); if(count($r)) $ret = $r; } return $ret; } function group_get_members_xchan($gid) { $ret = array(); if(intval($gid)) { $r = q("SELECT xchan FROM group_member WHERE gid = %d AND uid = %d", intval($gid), intval(local_channel()) ); if(count($r)) { foreach($r as $rr) { $ret[] = $rr['xchan']; } } } return $ret; } function mini_group_select($uid,$group = '') { $grps = array(); $o = ''; $r = q("SELECT * FROM `groups` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC", intval($uid) ); $grps[] = array('name' => '', 'hash' => '0', 'selected' => ''); if(count($r)) { foreach($r as $rr) { $grps[] = array('name' => $rr['name'], 'id' => $rr['hash'], 'selected' => (($group == $rr['hash']) ? 'true' : '')); } } logger('mini_group_select: ' . print_r($grps,true), LOGGER_DATA); $o = replace_macros(get_markup_template('group_selection.tpl'), array( '$label' => t('Add new connections to this privacy group'), '$groups' => $grps )); return $o; } function group_side($every="connections",$each="group",$edit = false, $group_id = 0, $cid = '',$mode = 1) { $o = ''; if(! (local_channel() && feature_enabled(local_channel(),'groups'))) return ''; $groups = array(); $groups[] = array( 'text' => t('All Channels'), 'id' => 0, 'selected' => (($group_id == 0) ? 'group-selected' : ''), 'href' => $every . (($every === 'network') ? '?f=&gid=0' : ''), ); $r = q("SELECT * FROM `groups` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC", intval($_SESSION['uid']) ); $member_of = array(); if($cid) { $member_of = groups_containing(local_channel(),$cid); } if(count($r)) { foreach($r as $rr) { $selected = (($group_id == $rr['id']) ? ' group-selected' : ''); if ($edit) { $groupedit = array( 'href' => "group/".$rr['id'], 'title' => t('edit'), ); } else { $groupedit = null; } $groups[] = array( 'id' => $rr['id'], 'enc_cid' => base64url_encode($cid), 'cid' => $cid, 'text' => $rr['name'], 'selected' => $selected, 'href' => (($mode == 0) ? $each.'?f=&gid='.$rr['id'] : $each."/".$rr['id']) . ((x($_GET,'new')) ? '&new=' . $_GET['new'] : '') . ((x($_GET,'order')) ? '&order=' . $_GET['order'] : ''), 'edit' => $groupedit, 'ismember' => in_array($rr['id'],$member_of), ); } } $tpl = get_markup_template("group_side.tpl"); $o = replace_macros($tpl, array( '$title' => t('Privacy Groups'), '$edittext' => t('Edit group'), '$createtext' => t('Add privacy group'), '$ungrouped' => (($every === 'contacts') ? t('Channels not in any privacy group') : ''), '$groups' => $groups, '$add' => t('add'), )); return $o; } function expand_groups($a) { if(! (is_array($a) && count($a))) return array(); $x = $a; stringify_array_elms($x,true); $groups = implode(',', $x); if($groups) $r = q("SELECT xchan FROM group_member WHERE gid IN ( select id from `groups` where hash in ( $groups ))"); $ret = array(); if($r) foreach($r as $rr) $ret[] = $rr['xchan']; return $ret; } function member_of($c) { $r = q("SELECT `groups`.`name`, `groups`.`id` FROM `groups` LEFT JOIN `group_member` ON `group_member`.`gid` = `groups`.`id` WHERE `group_member`.`xchan` = '%s' AND `groups`.`deleted` = 0 ORDER BY `groups`.`name` ASC ", dbesc($c) ); return $r; } function groups_containing($uid,$c) { $r = q("SELECT `gid` FROM `group_member` WHERE `uid` = %d AND `group_member`.`xchan` = '%s' ", intval($uid), dbesc($c) ); $ret = array(); if(count($r)) { foreach($r as $rr) $ret[] = $rr['gid']; } return $ret; }