Limit user login session

Abdalla Ahmed

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Nov 3, 2022, 12:19:58 PM11/3/22

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Dears,

I work in keycloak 15.0.0 and i need to limit user session to be only one session per user and when login again remove the previous sessions for that user and show alert message that your previous session was closed

Thomas Darimont

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Nov 3, 2022, 1:18:08 PM11/3/22

to Keycloak User

Hello,

take a look at this: https://github.com/dasniko/keycloak-extensions-demo/blob/main/event-listener/src/main/java/dasniko/keycloak/events/HighlanderSessionEventListenerProvider.java

Cheers,

Thomas

Abdalla Ahmed

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Nov 3, 2022, 1:27:05 PM11/3/22

to Thomas Darimont, Keycloak User

Dear thomas,

Thank you for your email

I need after i removed the previous session alert the user with i removed the previous login session.

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Thomas Darimont

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Nov 3, 2022, 1:40:23 PM11/3/22

to Keycloak User

Hello,

you can send custom emails via the EmailTemplateProvider or EmailSenderProvider, some examples:

https://github.com/thomasdarimont/keycloak-extension-playground/blob/6d0d614e517f0440b76ef8ce5ffd78d6c95a5227/auth-login-notify-email-extension/src/main/java/demo/keycloak/auth/notify/LoginNotifyEmailAuthenticator.java#L79

https://github.com/thomasdarimont/keycloak-project-example/blob/main/keycloak/extensions/src/main/java/com/github/thomasdarimont/keycloak/custom/account/AccountActivity.java#L91

https://github.com/thomasdarimont/keycloak-extension-playground/blob/master/dynamic-email-code-auth-extension/src/main/java/com/github/thomasdarimont/keycloak/auth/emailcode/EmailCodeAuthenticatorForm.java#L133

Cheers,

Thomas

Abdalla Ahmed

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Nov 3, 2022, 1:44:31 PM11/3/22

to Thomas Darimont, Keycloak User

Yes ok,

It is possible to custom login page if it has previous login session and show message with "i will remove your previous login session"

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