58 lines
4.6 KiB
Text
58 lines
4.6 KiB
Text
// Module included in the following assemblies:
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//
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// server_admin/topics/users.adoc
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[id="con-aia_{context}"]
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= Application initiated actions
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Application initiated actions (AIA) allow client applications to request a user to perform an action on the {project_name} side. Usually, when an OIDC client application
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wants a user to log in, it redirects that user to the login URL as described in the <<con-oidc_{context}, OIDC section>>. After login, the user is redirected back to the client application.
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The user performs the actions that were required by the administrator as described in the <<proc-setting-required-actions_{context}, previous section>>
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and then is immediately redirected back to the application. However, AIA allows the client application to request some required actions from the user during login. This can be
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done even if the user is already authenticated on the client and has an active SSO session. It is triggered by adding the `kc_action` parameter to the OIDC login URL with the value containing the requested action.
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For instance `kc_action=UPDATE_PASSWORD` parameter.
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NOTE: The `kc_action` parameter is a {project_name} proprietary mechanism unsupported by the OIDC specification.
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NOTE: Application initiated actions are supported only for OIDC clients.
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So if AIA is used, an example flow is similar to the following:
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* A client application redirects the user to the OIDC login URL with the additional parameter such as `kc_action=UPDATE_PASSWORD`
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* There is a `browser` flow always triggered as described in the <<_authentication-flows, Authentication flows section>>. If the user was not authenticated, that user needs to authenticate as during normal login.
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In case the user was already authenticated, that user might be automatically re-authenticated by an SSO cookie without needing to actively re-authenticate and supply the credentials again. In this case, that user will be
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directly redirected to the screen with the particular action (update password in this case). However, in some cases, active re-authentication is required even if the user has an SSO
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cookie (See <<con-aia-reauth_{context}, below>> for the details).
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* The screen with particular action (in this case `update password`) is displayed to the user, so that user needs to perform a particular action
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* Then user is redirected back to the client application
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Note that AIA are used by the {project_name} <<_account-service, Account Console>> to request update password or to reset other credentials such as OTP or WebAuthn.
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WARNING: Even if the parameter `kc_action` was used, it is not sufficient to assume that the user always performs the action. For example, a user could have manually deleted
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the `kc_action` parameter from the browser URL. Therefore, no guarantee exists that the user has an OTP for the account after the client requested `kc_action=CONFIGURE_TOTP`. If you
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want to verify that the user configured two-factor authenticator, the client application may need to check it was configured. For instance
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by checking the claims like `acr` in the tokens.
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[id="con-aia-reauth_{context}"]
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== Re-authentication during AIA
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In case the user is already authenticated due to an active SSO session, that user usually does not need to actively re-authenticate. However, if that user actively authenticated longer than five minutes ago,
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the client can still request re-authentication when some AIA is requested. Exceptions exist from this guideline as follows:
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* The action `delete_account` will always require the user to actively re-authenticate
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* The action `update_password` might require the user to actively re-authenticate according to the configured <<maximum-authentication-age,Maximum Authentication Age Password policy>>.
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In case the policy is not configured, it also defaults to five minutes.
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* If you want to use a shorter re-authentication, you can still use a parameter query parameter such as `max_age` with the specified shorter value or eventually `prompt=login`, which will always require user to
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actively re-authenticate as described in the OIDC specification. Note that using `max_age` for a longer value than the default five minutes (or the one prescribed by password policy) is not supported.
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The `max_age` can be currently used only to make the value shorter than the default five minutes.
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[id="con-aia-available-actions_{context}"]
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== Available actions
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To see all available actions, log in to the Admin Console and go to the top right top corner to click `Realm info` -> tab `Provider info` -> Find provider `required-action` .
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But note that this can be further restricted based on what actions are enabled for your realm in the <<proc-setting-default-required-actions_{context}, Required actions tab>>.
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