Correct way to login a user programmatically to a Vaadin App on Spring Boot Security?

Flow
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first all Spring security is wrapped under com.vaadin.flow.spring.security.* so have a look there

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this is a small ‘simple’ login form , but you can use any way you want to implement

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in this example any username and password are automatilcy being created as user

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hope it will give you the direction you need

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The user details or user class are not with Vaadin Context but with spring context , either create a bridge to pass it , or use spring boot authenticated user.
@rolesAllowed are working any way.

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@charming-frog , thank you for the suggestion!

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@observant-quetzal just came with this addon :

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https://vaadin.com/directory/component/spring-boot-security-for-vaadin

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does what you need

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Do you know if this supports custom authentication filters too?

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The trick is here: VaadinSession.getCurrent().getSession().setAttribute(“SPRING_SECURITY_CONTEXT”, securityContext);

After this, the user is fully logged in, and the protetected routes are also accessible. The next requests maintain the authentication.

To logout, just call VaadinSession.getCurrent().getSession().invalidate();

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As I wrote in other posts… probably some trick, well done @kind-goat