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Merged
merged 4 commits into from
May 22, 2025
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docs: refactor impersonation example #4294

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dad7781
docs: refactor impersonation example
mcollovati May 8, 2025
26170cf
add note about importing VaadinAwareSecurityContextHolderStrategyConf…
mcollovati May 8, 2025
d4dc669
Merge branch 'latest' into chore/refactor-impersonation-example
mshabarov May 12, 2025
7b6f62d
Merge branch 'latest' into chore/refactor-impersonation-example
TatuLund May 22, 2025
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6 changes: 3 additions & 3 deletions articles/flow/security/enabling-security.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -575,9 +575,9 @@ To add impersonation for a Vaadin application, create the [classname]`SwitchUser
[source,java]
----
@Bean
@DependsOn("VaadinSecurityContextHolderStrategy")
public SwitchUserFilter switchUserFilter() {
public SwitchUserFilter switchUserFilter(VaadinAwareSecurityContextHolderStrategy strategy) {
SwitchUserFilter filter = new SwitchUserFilter();
filter.setSecurityContextHolderStrategy(strategy);
filter.setUserDetailsService(userDetailsService());
filter.setSwitchUserMatcher(antMatcher(HttpMethod.GET, "/impersonate"));
filter.setExitUserMatcher(antMatcher(HttpMethod.GET, "/impersonate/exit"));
Expand All @@ -587,7 +587,7 @@ To add impersonation for a Vaadin application, create the [classname]`SwitchUser
----

[NOTE]
The bean should depend on `VaadinSecurityContextHolderStrategy` bean. If the [classname]`SwitchUserFilter` is initialized first, the wrong security holder is used and the feature won't work.
The bean should use `VaadinSecurityContextHolderStrategy` bean to work properly. If the [classname]`SwitchUserFilter` is initialized differently, the wrong security holder is used and the feature won't work. If your are not using `VaadinWebSecurity` as base class for your security configuration, you might need to add `@Import(VaadinAwareSecurityContextHolderStrategyConfiguration.class)` on top of your class.

To secure the impersonation endpoints, add to the [classname]`VaadinWebSecurity` implementation [methodname]`configure(HttpSecurity http)` the matchers like so:

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