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neo4j-auth-plugin-introspection

Introspection authentication and authorization plugins for Neo4j

This plugin is base on examples from https://github.com/neo4j/neo4j-example-auth-plugins/tree/dev/plugins

You have to run this with Java 17.

The Maven Repo https://m2.neo4j.com/enterprise requires credentials. Contact support for this.

If you just want to build the plugins, you can choose to ignore integration tests by running:

mvn clean install -DskipITs

Install plugins in Neo4j

Copy the output jar file into the plugins folder of Neo4j Enterprise Edition 5.0 or later:

cp plugins/target/neo4j-auth-plugin-introspection-<VERSION>.jar <NEO4J-HOME>/plugins/

Copy the introspection.conf configuration file into the config folder of Neo4j Enterprise Edition 5.0 or later:

cp plugins/main/resources/introspection.conf <NEO4J-HOME>/config/

If no file is found in the the config folder, the resource file will be used.

Edit the Introspection configuration file you just copied to <NEO4J-HOME>/config/ and update the setting for your oauth provider

Set the claims and role mapping

 auth.oauth.claims.username=username
 auth.oauth.claims.groups=groups
 auth.oauth.group_to_role_mapping="/Admin"=admin;"/Reader"=reader

To enable Introspection set auth.oauth.validate_introspection=true then use the Auth Server configuration to set auth.oauth.client_id and auth.oauth.client_secret (if needed) as well as auth.oauth.introspection_uri

If the groups are not returned from the Introspection response, they can be retrieved from the User Info endpoint by setting auth.oauth.get_groups_from_user_info=true and auth.oauth.user_info_uri

If using the User Info endpoint, the Introspection can be skipped to avoid the additional network traffic. One of either Introspection or User Info must be enabled or all log ins will fail.

Edit the Neo4j configuration file <NEO4J-HOME>/conf/neo4j.conf and add the dbms.security.authentication_providers and dbms.security.authorization_providers settings, e.g.:

dbms.security.authentication_providers=plugin-org.neo4j.auth.plugin.IntrospectionAuthPlugin
dbms.security.authorization_providers=plugin-org.neo4j.auth.plugin.IntrospectionAuthPlugin

You can also enable multiple plugins simultaneously e.g.:

dbms.security.authentication_providers=plugin-MyAuthPlugin1,plugin-MyAuthPlugin2

You can also toggle authentication and authorization enabled individually by only adding it to either of the settings:

dbms.security.authentication_providers=plugin-MyAuthPlugin1
dbms.security.authorization_providers=plugin-MyAuthPlugin2

(NOTE: Any plugin implementing the simplified AuthPlugin interface must be in both dbms.security.authentication_providers and dbms.security.authorization_providers, or it will not be loaded)

To enable SSO using the Neo4j Browser follow the instructions here: https://neo4j.com/docs/operations-manual/current/tutorial/tutorial-sso-configuration/