getPermissions() returns an array of permissions attached to a node.
Returns
An array of permissions applied to this node, including inherited permissions.
Strings returned are of the format [ALLOWED|DENIED];[USERNAME|GROUPNAME];PERMISSION. An example is ALLOWED;GROUP_EVERYONE;Consumer. The string can then be tokenized on the ';' character.
Example
var node = companyhome.childByNamePath("TEST_FILE_0.TXT");
model.permissions = node.getPermissions();