java - In memory and custom providers all together -


i'm setting spring security (v4.0.1) web application. want have 2 authentication providers, "in-memory" 1 manage administrator account , custom 1 refers own implementation. system should attempt authentication against "in-memory" provider first of , against custom 1 in second place. code looks this:

@autowired public void configureglobal(authenticationmanagerbuilder auth,      authenticationprovider provider) throws exception {     auth.inmemoryauthentication()             .withuser("admin")             .password("s3cr3t")             .authorities("admin");     auth.authenticationprovider(provider); }

however, code leads framework try custom implementation first. makes bit of sense, since authenticationmanagerbuilder#authenticationprovider method adds provider internal list while authenticationmanagerbuilder#inmemoryauthentication 1 configures internally. how manage work?

you can create inmemoryuserdetailsmanagerconfigurer manually , tell configure on authenticationmanagerbuilder when have finished configuring installs it's authenticationprovider before custom one:

@autowired public void configureglobal(authenticationmanagerbuilder auth,         authenticationprovider provider) throws exception {      inmemoryconfigurer()         .withuser("admin")             .password("s3cr3t")             .authorities("admin")         .and()         .configure(auth);     auth.authenticationprovider(provider); }  private inmemoryuserdetailsmanagerconfigurer<authenticationmanagerbuilder>         inmemoryconfigurer() {     return new inmemoryuserdetailsmanagerconfigurer<>(); }

normally happens inmemoryuserdetailsmanagerconfigurer created , added list of configurers should applied when authenticationmanager built - after you've installed custom authenticationprovider.


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