/**
* Returns a list of user with read access to a share.
*
* @param Horde_Share_Object $share A share object.
*
* @return array A hash of share users.
*/
public static function listShareUsers($share)
{
global $injector;
$users = $share->listUsers(Horde_Perms::READ);
$groups = $share->listGroups(Horde_Perms::READ);
if (count($groups)) {
$horde_group = $injector->getInstance('Horde_Group');
foreach ($groups as $group) {
$users = array_merge($users, $horde_group->listUsers($group));
}
}
$users = array_flip($users);
$factory = $injector->getInstance('Horde_Core_Factory_Identity');
foreach (array_keys($users) as $user) {
$fullname = $factory->create($user)->getValue('fullname');
$users[$user] = strlen($fullname) ? $fullname : $user;
}
return $users;
}