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| author | Quentin Gliech <quenting@element.io> | 2022-10-31 18:07:30 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-10-31 13:07:30 -0400 |
| commit | cc3a52b33df72bb4230367536b924a6d1f510d36 (patch) | |
| tree | 1a3bf6576c1a4d0239cbe3354fa348793e0b7aaa /docs/openid.md | |
| parent | Bump sentry-sdk from 1.5.11 to 1.10.1 (#14330) (diff) | |
| download | synapse-cc3a52b33df72bb4230367536b924a6d1f510d36.tar.xz | |
Support OIDC backchannel logouts (#11414)
If configured an OIDC IdP can log a user's session out of Synapse when they log out of the identity provider. The IdP sends a request directly to Synapse (and must be configured with an endpoint) when a user logs out.
Diffstat (limited to 'docs/openid.md')
| -rw-r--r-- | docs/openid.md | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/docs/openid.md b/docs/openid.md index 87ebea4c29..37c5eb244d 100644 --- a/docs/openid.md +++ b/docs/openid.md @@ -49,6 +49,13 @@ setting in your configuration file. See the [configuration manual](usage/configuration/config_documentation.md#oidc_providers) for some sample settings, as well as the text below for example configurations for specific providers. +## OIDC Back-Channel Logout + +Synapse supports receiving [OpenID Connect Back-Channel Logout](https://openid.net/specs/openid-connect-backchannel-1_0.html) notifications. + +This lets the OpenID Connect Provider notify Synapse when a user logs out, so that Synapse can end that user session. +This feature can be enabled by setting the `backchannel_logout_enabled` property to `true` in the provider configuration, and setting the following URL as destination for Back-Channel Logout notifications in your OpenID Connect Provider: `[synapse public baseurl]/_synapse/client/oidc/backchannel_logout` + ## Sample configs Here are a few configs for providers that should work with Synapse. @@ -123,6 +130,9 @@ oidc_providers: [Keycloak][keycloak-idp] is an opensource IdP maintained by Red Hat. +Keycloak supports OIDC Back-Channel Logout, which sends logout notification to Synapse, so that Synapse users get logged out when they log out from Keycloak. +This can be optionally enabled by setting `backchannel_logout_enabled` to `true` in the Synapse configuration, and by setting the "Backchannel Logout URL" in Keycloak. + Follow the [Getting Started Guide](https://www.keycloak.org/getting-started) to install Keycloak and set up a realm. 1. Click `Clients` in the sidebar and click `Create` @@ -144,6 +154,8 @@ Follow the [Getting Started Guide](https://www.keycloak.org/getting-started) to | Client Protocol | `openid-connect` | | Access Type | `confidential` | | Valid Redirect URIs | `[synapse public baseurl]/_synapse/client/oidc/callback` | +| Backchannel Logout URL (optional) | `[synapse public baseurl]/_synapse/client/oidc/backchannel_logout` | +| Backchannel Logout Session Required (optional) | `On` | 5. Click `Save` 6. On the Credentials tab, update the fields: @@ -167,7 +179,9 @@ oidc_providers: config: localpart_template: "{{ user.preferred_username }}" display_name_template: "{{ user.name }}" + backchannel_logout_enabled: true # Optional ``` + ### Auth0 [Auth0][auth0] is a hosted SaaS IdP solution. |