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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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5
internal/notification/handlers/user_notifier_test.go
View File

@@ -19,6 +19,7 @@ import (
es_repo_mock "github.com/zitadel/zitadel/internal/eventstore/repository/mock"
"github.com/zitadel/zitadel/internal/notification/channels/email"
channel_mock "github.com/zitadel/zitadel/internal/notification/channels/mock"
"github.com/zitadel/zitadel/internal/notification/channels/set"
"github.com/zitadel/zitadel/internal/notification/channels/sms"
"github.com/zitadel/zitadel/internal/notification/channels/smtp"
"github.com/zitadel/zitadel/internal/notification/channels/twilio"
@@ -1663,6 +1664,10 @@ func (c *channels) Webhook(context.Context, webhook.Config) (*senders.Chain, err
return &c.Chain, nil
}
func (c *channels) SecurityTokenEvent(context.Context, set.Config) (*senders.Chain, error) {
return &c.Chain, nil
}
func expectTemplateQueries(queries *mock.MockQueries, template string) {
queries.EXPECT().GetInstanceRestrictions(gomock.Any()).Return(query.Restrictions{
AllowedLanguages: []language.Tag{language.English},