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# Which Problems Are Solved Currently ZITADEL supports RP-initiated logout for clients. Back-channel logout ensures that user sessions are terminated across all connected applications, even if the user closes their browser or loses connectivity providing a more secure alternative for certain use cases. # How the Problems Are Solved If the feature is activated and the client used for the authentication has a back_channel_logout_uri configured, a `session_logout.back_channel` will be registered. Once a user terminates their session, a (notification) handler will send a SET (form POST) to the registered uri containing a logout_token (with the user's ID and session ID). - A new feature "back_channel_logout" is added on system and instance level - A `back_channel_logout_uri` can be managed on OIDC applications - Added a `session_logout` aggregate to register and inform about sent `back_channel` notifications - Added a `SecurityEventToken` channel and `Form`message type in the notification handlers - Added `TriggeredAtOrigin` fields to `HumanSignedOut` and `TerminateSession` events for notification handling - Exported various functions and types in the `oidc` package to be able to reuse for token signing in the back_channel notifier. - To prevent that current existing session termination events will be handled, a setup step is added to set the `current_states` for the `projections.notifications_back_channel_logout` to the current position - [x] requires https://github.com/zitadel/oidc/pull/671 # Additional Changes - Updated all OTEL dependencies to v1.29.0, since OIDC already updated some of them to that version. - Single Session Termination feature is correctly checked (fixed feature mapping) # Additional Context - closes https://github.com/zitadel/zitadel/issues/8467 - TODO: - Documentation - UI to be done: https://github.com/zitadel/zitadel/issues/8469 --------- Co-authored-by: Hidde Wieringa <hidde@hiddewieringa.nl>
49 lines
2.0 KiB
SQL
49 lines
2.0 KiB
SQL
with client as (
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select c.instance_id,
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c.app_id, a.state, c.client_id, c.back_channel_logout_uri, c.client_secret, c.redirect_uris, c.response_types,
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c.grant_types, c.application_type, c.auth_method_type, c.post_logout_redirect_uris, c.is_dev_mode,
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c.access_token_type, c.access_token_role_assertion, c.id_token_role_assertion,
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c.id_token_userinfo_assertion, c.clock_skew, c.additional_origins, a.project_id, p.project_role_assertion
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from projections.apps7_oidc_configs c
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join projections.apps7 a on a.id = c.app_id and a.instance_id = c.instance_id and a.state = 1
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join projections.projects4 p on p.id = a.project_id and p.instance_id = a.instance_id and p.state = 1
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join projections.orgs1 o on o.id = p.resource_owner and o.instance_id = c.instance_id and o.org_state = 1
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where c.instance_id = $1
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and c.client_id = $2
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),
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roles as (
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select p.project_id, json_agg(p.role_key) as project_role_keys
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from projections.project_roles4 p
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join client c on c.project_id = p.project_id
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and p.instance_id = c.instance_id
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group by p.project_id
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),
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keys as (
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select identifier as client_id, json_object_agg(id, encode(public_key, 'base64')) as public_keys
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from projections.authn_keys2
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where $3 = true -- when argument is false, don't waste time on trying to query for keys.
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and instance_id = $1
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and identifier = $2
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and expiration > current_timestamp
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group by identifier
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),
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settings as (
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select instance_id, json_build_object(
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'access_token_lifetime', access_token_lifetime,
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'id_token_lifetime', id_token_lifetime,
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'refresh_token_idle_expiration', refresh_token_idle_expiration,
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'refresh_token_expiration', refresh_token_expiration
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) as settings
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from projections.oidc_settings2
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where aggregate_id = $1
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and instance_id = $1
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)
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select row_to_json(r) as client from (
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select c.*, r.project_role_keys, k.public_keys, s.settings
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from client c
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left join roles r on r.project_id = c.project_id
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left join keys k on k.client_id = c.client_id
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left join settings s on s.instance_id = c.instance_id
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) r;
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