public static boolean supportsPasswordRetrieval() {
        return authProvider.supportsPasswordRetrieval();
    }
Returns true if the currently installed {@link AuthProvider} supports password
retrieval. Certain implementation utilize password hashes and other authentication
mechanisms that do not require the original password.

@return true if plain password retrieval is supported.
xmppserver/src/main/java/org/jivesoftware/openfire/auth/AuthFactory.java