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When a custom authentication manager is used, only the type and name of the been in the Spring Context needs to be specified.
Spring looks in the application context for a custom implementation of the type org.springframework.security.authentication.AuthenticationProvider with the name "ldap01". So it is important that the AuthenticationBean with the specified name is available in the application context.
An implementation example of an AuthenticationProvider:
| Code Block |
|---|
@Component
public class Ldap01AuthenticationProvider implements AuthenticationProvider {
@Override
public Authentication authenticate(Authentication authentication)
throws AuthenticationException {
String name = authentication.getName();
String password = authentication.getCredentials().toString();
if (shouldAuthenticateAgainstThirdPartySystem()) {
// use the credentials and authenticate against the third-party system
return new UsernamePasswordAuthenticationToken(name, password, new ArrayList<>());
} else {
return null;
}
}
@Override
public boolean supports(Class<?> authentication) {
return authentication.equals(UsernamePasswordAuthenticationToken.class);
}
} |
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