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feat(OIDC): add back channel logout (#8837)

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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>
This commit is contained in:
Livio Spring
2024-10-31 15:57:17 +01:00
committed by GitHub
parent 9cf67f30b8
commit 041af26917
87 changed files with 1778 additions and 280 deletions
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10
internal/notification/handlers/ctx.go
View File

@@ -13,3 +13,13 @@ func HandlerContext(event *eventstore.Aggregate) context.Context {
ctx := authz.WithInstanceID(context.Background(), event.InstanceID)
return authz.SetCtxData(ctx, authz.CtxData{UserID: NotifyUserID, OrgID: event.ResourceOwner})
}
func (n *NotificationQueries) HandlerContext(event *eventstore.Aggregate) (context.Context, error) {
ctx := context.Background()
instance, err := n.InstanceByID(ctx, event.InstanceID)
if err != nil {
return nil, err
}
ctx = authz.WithInstance(ctx, instance)
return authz.SetCtxData(ctx, authz.CtxData{UserID: NotifyUserID, OrgID: event.ResourceOwner}), nil
}