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KEYCLOAK-6286 Added docs for OIDC Compatibility Modes to the Upgrade guide

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mposolda 2018-01-22 10:57:03 +01:00 committed by Marek Posolda
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17
upgrading/topics/keycloak/changes.adoc
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@ -1,5 +1,22 @@
== Migration Changes
=== Migrating to 3.4.2
==== Added session_state parameter to OpenID Connect Authentication Response
The OpenID Connect Session Management specification requires that the parameter `session_state` is present in the OpenID Connect Authentication Response.
In past releases, we did not have this parameter, but now {project_name} adds this parameter by default, as required by the specification.
However, some OpenID Connect / OAuth2 adapters, and especially older {project_name} adapters, may have issues with this new parameter.
For example, the parameter will be always present in the browser URL after successful authentication to the client application.
In these cases, it may be useful to disable adding the `session_state` parameter to the authentication response. This can be done
for the particular client in the {project_name} admin console, in client details in the section with `OpenID Connect Compatibility Modes`,
described in <<_compatibility_with_older_adapters>>. There is the `Exclude Session State From Authentication Response` switch,
which can be turned on to prevent adding the `session_state` parameter to the Authentication Response.
=== Migrating to 3.2.0
==== New Password Hashing algorithms

14
upgrading/topics/rhsso/changes-72.adoc
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@ -32,3 +32,17 @@ Microsoft JDBC Driver 6.0 requires additional dependency added to the JDBC drive
----
<module name="javax.xml.bind.api"/>
----
=== Added session_state parameter to OpenID Connect Authentication Response
The OpenID Connect Session Management specification requires that the parameter `session_state` is present in the OpenID Connect Authentication Response.
In RH-SSO 7.1, we did not have this parameter, but now {project_name} adds this parameter by default, as required by the specification.
However, some OpenID Connect / OAuth2 adapters, and especially older {project_name} adapters (such as RH-SSO 7.1 and older), may have issues with this new parameter.
For example, the parameter will be always present in the browser URL after successful authentication to the client application.
If you use RH-SSO 7.1 or a legacy OAuth2 / OpenID Connect adapter, it may be useful to disable adding the `session_state` parameter to the authentication response.
This can be done for the particular client in the {project_name} admin console, in client details in the section with `OpenID Connect Compatibility Modes`,
described in <<_compatibility_with_older_adapters>>. There is the `Exclude Session State From Authentication Response` switch,
which can be turned on to prevent adding the `session_state` parameter to the Authentication Response.

12
upgrading/topics/upgrade_adapters.adoc
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@ -4,6 +4,18 @@ It is important that you upgrade {project_name} server first, and then upgrade t
adapter might work with later versions of {project_name} server, but earlier versions of {project_name} server might not
work with later versions of the adapter.
[[_compatibility_with_older_adapters]]
== Compatibility with older adapters
As mentioned above, we try to support newer release versions of {project_name} server working with older release versions of the adapters.
However, in some cases we need to include fixes on the {project_name} server side which may break compatibility with older versions
of the adapters. For example, when we implement new aspects of the OpenID Connect specification, which older client adapter versions
were not aware of.
In those cases, we added Compatibility modes. For OpenId Connect clients, there is a section named `OpenID Connect Compatibility Modes`
in the {project_name} admin console, on the page with client details. Here, you can disable some new aspects of the {project_name} server
to preserve compatibility with older client adapters. More details are available in the tool tips of individual switches.
[[_upgrade_eap_adapter]]
== Upgrading the EAP Adapter