1.5.1 Authentication Provider

Various providers are available for registration. These are configured in a list under <authenticationProviders>:

config_viewer.xml

<user>
    <authenticationProviders>
        <provider type="local" enabled="true" name="Goobi viewer"/>
        <provider type="openId" enabled="true" name="Google" endpoint="https://accounts.google.com/o/oauth2/auth" clientId="CHANGEME" clientSecret="CHANGEME" image="google.png" />
        <provider type="userPassword" enabled="false" name="VuFind" endpoint="https://vufind.example.org/Api/User/Auth" image="vufind.png" timeout="7000"/>
        <provider type="userPassword" enabled="false" name="littera" endpoint="https://littera.example.org/externauth" image="littera.png"/>
        <provider type="userPassword" label="Aleph" enabled="false" name="x-service" endpoint="https://aleph-x-service.example.org/X?op=bor_auth&amp;library=FOO123" image="aleph.png">
            <addUserToGroup>my first group</addUserToGroup>
            <addUserToGroup>my secondgroup</addUserToGroup>
        </provider>
        <provider type="userPassword" enabled="false" name="bibliotheca" endpoint="https://example.oclcbibliotheca.org/auth.asp?client=goobiviewer" />
        <provider type="httpHeader" enabled="false" name="Shibboleth" parameterType="attribute" parameterName="shib-email" endpoint="https://viewer.example.org/api/v1/auth/header" />
    </authenticationProviders>
</user>

The attributes in <provider> Elements have the following meaning:

Attribute	Description
type	Defines the provider type. The specification is mandatory. Available are local, openId, userPassword and saml.
enabled	Specifies whether the provider is to be displayed on the logon page or hidden. Default value is true
name	Name of the provider. This information is mandatory. With the type="openId" Google is available as name. With the type="userPassword" you can choose between VuFind, littera, x-service and bibliotheca. With type="local" and type="saml" a free name can be chosen.
label	Optional label for the provider. If the attribute does not exist, the name is displayed.
endpoint	Authentication URL of the provider. Mandatory field for the types openId, userPassword and httpHeader. For examples, see the standard configuration file.
clientId	Registered ID of the Goobi viewer with the provider of type openId. The attribute is also mandatory there. A new client must be registered with the provider for each Goobi viewer installation.
clientSecret	Secret key for the registered clientId. The specification is mandatory for a provider of type openId.
image	File name of the displayed provider-specific screen.
timeout	Defines in milliseconds the maximum amount of time to wait for a response from the server before the login fails.
parameterType	The parameterType only works with the httpHeader provider and is mandatory there. It specifies what is to be evaluated. Possible values are header and attribute.
parameterName	The parameterName only works with the httpHeader provider and is mandatory there. It specifies which concrete header or which attribute name is to be evaluated. The parameter should contain a valid e-mail address.

Optional subelements <addUserToGroup> can be used to configure names of user groups to which a user should be automatically added as a member when logging in (provided the group already exists and the user is not already a member of it.