Granting Access with Credentials and Access Permissions

The first step in granting access to a user is to create that user in the Users tab.

The second step is to assign a credential to that user. Once a credential is assigned to the user, they should have the right permissions and access levels to collections and the Independent Media Items. If they are missing access to something, chances are there's a setting that needs to be fixed in the credential or the access permissions.

About Credentials

A credential is assigned to a user. The settings in a credential determine:

You can create as many credentials as needed, and assign them to your users. You will always have an "Anonymous User" credential. This credential is automatically assigned to any user that registers an account with the LUNA Viewer. Typically this credential is for users who are mainly accessing the LUNA Viewer.


About Access Permissions

Access permissions are added to a credential. As described above the credential grants permission to certain LUNA tools and features, while an access permission pertains only to a specific collection and what a user can do with that collection.

Without an access permission a user cannot gain access to a collection in order to create, edit, or view it.

When a collection is made 5 default access permissions are created. You can think of these as representing different roles, from admin to restricted. So all you have to do is pick one of the 5 access permissions for a collection and add it to the credential. The settings for these 5 default access permissions are:

Dimensions for LUNA sizes 0-8:

LUNA SizesDimensions
Size 0

up to 96 pixels on long side

Size 1up to 192 pixels on long side
Size 2up to 384 pixels on long side
Size 3up to 768 pixels on long side
Size 4up to 1536 pixels on long side
Size 5up to 3072 pixels on long side
Size 6up to 6144 pixels on long side
Size 7up to 12288 pixels on long side
Size 8up to 24576 pixels on long side

Editing Access Permissions

There are 2 ways to edit an access permission.

  1. Go into the Access Permissions tab, highlight the one you wish to edit and click on "Edit Selected".
  2. While in the credential click on "Edit" for the access permission you wish to edit.

Tip: Since you can't edit the name of an access permission, simply create a new one if you need a name different than the default name created.

Note: Authorities are the only feature that are not automatically assigned to an access permission. By default a collection creator will have permission to read, add, edit, delete authorities. For all other users you'll need to manually assign the permission to the access permission for the collection.


Example 1: "Anonymous User" credential.

As explained above, you will always have an "Anonymous User". This is the default credential and is the one automatically assigned to users who register an account via the LUNA Viewer. Typically this credential is used only to grant access to specific collections in the LUNA Viewer.

In this credential the anonymous user will be able to:

Example 2: Collection Administrator credential

In this credential the user will be able to:

*General and Admin are profiles defined in the Access Permissions section above