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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>
73 lines
2.2 KiB
Go
73 lines
2.2 KiB
Go
package command
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import (
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"context"
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"github.com/zitadel/zitadel/internal/domain"
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"github.com/zitadel/zitadel/internal/feature"
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"github.com/zitadel/zitadel/internal/repository/feature/feature_v2"
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"github.com/zitadel/zitadel/internal/zerrors"
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)
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type SystemFeatures struct {
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LoginDefaultOrg *bool
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TriggerIntrospectionProjections *bool
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LegacyIntrospection *bool
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TokenExchange *bool
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UserSchema *bool
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Actions *bool
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ImprovedPerformance []feature.ImprovedPerformanceType
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OIDCSingleV1SessionTermination *bool
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DisableUserTokenEvent *bool
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EnableBackChannelLogout *bool
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}
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func (m *SystemFeatures) isEmpty() bool {
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return m.LoginDefaultOrg == nil &&
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m.TriggerIntrospectionProjections == nil &&
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m.LegacyIntrospection == nil &&
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m.UserSchema == nil &&
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m.TokenExchange == nil &&
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m.Actions == nil &&
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// nil check to allow unset improvements
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m.ImprovedPerformance == nil &&
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m.OIDCSingleV1SessionTermination == nil &&
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m.DisableUserTokenEvent == nil &&
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m.EnableBackChannelLogout == nil
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}
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func (c *Commands) SetSystemFeatures(ctx context.Context, f *SystemFeatures) (*domain.ObjectDetails, error) {
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if f.isEmpty() {
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return nil, zerrors.ThrowInternal(nil, "COMMAND-Oop8a", "Errors.NoChangesFound")
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}
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wm := NewSystemFeaturesWriteModel()
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if err := c.eventstore.FilterToQueryReducer(ctx, wm); err != nil {
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return nil, err
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}
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cmds := wm.setCommands(ctx, f)
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if len(cmds) == 0 {
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return writeModelToObjectDetails(wm.WriteModel), nil
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}
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events, err := c.eventstore.Push(ctx, cmds...)
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if err != nil {
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return nil, err
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}
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return pushedEventsToObjectDetails(events), nil
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}
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func (c *Commands) ResetSystemFeatures(ctx context.Context) (*domain.ObjectDetails, error) {
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wm := NewSystemFeaturesWriteModel()
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if err := c.eventstore.FilterToQueryReducer(ctx, wm); err != nil {
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return nil, err
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}
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if wm.isEmpty() {
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return writeModelToObjectDetails(wm.WriteModel), nil
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}
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aggregate := feature_v2.NewAggregate("SYSTEM", "SYSTEM")
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events, err := c.eventstore.Push(ctx, feature_v2.NewResetEvent(ctx, aggregate, feature_v2.SystemResetEventType))
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if err != nil {
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return nil, err
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}
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return pushedEventsToObjectDetails(events), nil
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}
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