/** Check for attachment limits/permissions for a given extension.
* Note: This is only constrained to the attachmenttype and attachmentpermission tables. The create permissions
* for all attachments are handled in the channels.
* TODO: Make this part of the channel permissions
*
* @param string the extension to check for
* @param int node id. in case of groupInTopic
*
* @return mixed false if the extension is not allowed or the user doesn't have permission to use it. Otherwise an array of limits.
*/
public function getAttachmentPermissions($extension, $nodeid = false)
{
$usergroups = $this->usergroups;
$returnValue = false;
if ($nodeid !== false and !empty($this->groupInTopic)) {
//groupintopic is set at the channel level. So let's get this node's channel.
$gitNodeid = $this->getChannelIdOfNode($nodeid);
//see if we have at the node level
if (array_key_exists($gitNodeid, $this->groupInTopic)) {
foreach ($this->groupInTopic[$gitNodeid] as $usergroupid) {
if (!in_array($usergroupid, $usergroups)) {
$usergroups[] = $usergroupid;
}
}
}
}
foreach ($usergroups as $usergroupid) {
$permission = $this->permissionContext->getAttachmentPermissions($usergroupid, $extension);
if ($returnValue === false) {
$returnValue = $permission;
} else {
if ($permission === false) {
// Don't need to do anything here...
} else {
// Get the max values for all the fields. 0 = no limit.
foreach (array_keys($permission) as $dimension) {
if ($returnValue[$dimension] == 0 or $permission[$dimension] == 0) {
$returnValue[$dimension] = 0;
} else {
$returnValue[$dimension] = max($returnValue[$dimension], $permission[$dimension]);
}
}
}
}
}
return $returnValue;
}
/**
* This implements vB_PermissionContext::getAdminUser().
* return int User id from a user that can administer the admincp
*/
public function fetchAdminUser()
{
return vB_PermissionContext::getAdminUser();
}
/**
* Checks usergroupid and membergroupids to see if the user has super moderator privileges
*
* @param integer Usergroupid
* @param string Membergroupids (comma separated)
*
* @return boolean Returns true if user has super moderator privileges
*/
function is_supermod($usergroupid, $membergroupids)
{
$datastore = vB::getDatastore();
if (!empty($membergroupids)) {
$membergroupids = explode(',', $membergroupids);
}
$bf_ugp_adminpermissions = $datastore->get_value('bf_ugp_adminpermissions');
$permissionContext = new vB_PermissionContext($datastore, $usergroupid, $membergroupids);
$admin_permissions = $permissionContext->getPermission('adminpermissions');
return $admin_permissions & $bf_ugp_adminpermissions['ismoderator'];
}