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spring-boot/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-web-.../src
Madhura Bhave d9d161cd6b Allow previously authorized users to access the error page
Prior to this commit, the `ErrorPageSecurityFilter` verified if
access to the error page was allowed by invoking the
`WebInvocationPrivilegeEvaluator` with the Authentication from the
`SecurityContextHolder`.
This meant that access to the error page was denied for a `null` Authentication
 or `AnonymousAuthenticationToken` in cases where the error page required
authenticated access. This prevented authorized users from accessing the
error page in case the Authentication wasn't retrievable for the error dispatch,
which is the case for `@Transient` authentication or stateless session policy.

This commit updates the `ErrorPageSecurityFilter` to check access to the error page
only if the error is an authn or authz error in cases where an authentication object
is not found in the SecurityContextHolder. This makes the error response consistent
when bad credentials or no credentials are used while also allowing access to previously
authorized users.

Fixes gh-28953
3 years ago
..
main Allow previously authorized users to access the error page 3 years ago
test/java/smoketest/web/secure Allow previously authorized users to access the error page 3 years ago