zitadel/internal/notification/senders/security_event_token.go

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feat(OIDC): add back channel logout (#8837) # 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>
2024-10-31 14:57:17 +00:00
package senders
import (
"context"
"github.com/zitadel/logging"
"github.com/zitadel/zitadel/internal/api/authz"
"github.com/zitadel/zitadel/internal/notification/channels"
"github.com/zitadel/zitadel/internal/notification/channels/fs"
"github.com/zitadel/zitadel/internal/notification/channels/instrumenting"
"github.com/zitadel/zitadel/internal/notification/channels/log"
"github.com/zitadel/zitadel/internal/notification/channels/set"
)
const setSpanName = "security_event_token.NotificationChannel"
func SecurityEventTokenChannels(
ctx context.Context,
setConfig set.Config,
getFileSystemProvider func(ctx context.Context) (*fs.Config, error),
getLogProvider func(ctx context.Context) (*log.Config, error),
successMetricName,
failureMetricName string,
) (*Chain, error) {
if err := setConfig.Validate(); err != nil {
return nil, err
}
channels := make([]channels.NotificationChannel, 0, 3)
setChannel, err := set.InitChannel(ctx, setConfig)
logging.WithFields(
"instance", authz.GetInstance(ctx).InstanceID(),
"callurl", setConfig.CallURL,
).OnError(err).Debug("initializing SET channel failed")
if err == nil {
channels = append(
channels,
instrumenting.Wrap(
ctx,
setChannel,
setSpanName,
successMetricName,
failureMetricName,
),
)
}
channels = append(channels, debugChannels(ctx, getFileSystemProvider, getLogProvider)...)
return ChainChannels(channels...), nil
}