but this code isn't needed for now.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@6771 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/security/MutatingRememberMeServices.java

-package hudson.security;
-
-import org.acegisecurity.ui.logout.LogoutHandler;
-import org.acegisecurity.ui.rememberme.RememberMeServices;
-import org.acegisecurity.ui.rememberme.TokenBasedRememberMeServices;
-import org.acegisecurity.Authentication;
-import org.apache.commons.io.FileUtils;
-import org.springframework.util.StringUtils;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import javax.servlet.http.Cookie;
-import java.io.File;
-import java.io.IOException;
-import java.security.SecureRandom;
-import java.util.Random;
-
-import hudson.util.Scrambler;
-import ch.ethz.ssh2.crypto.Base64;
-
-/**
- * @author Kohsuke Kawaguchi
- */
-public class MutatingRememberMeServices implements RememberMeServices, LogoutHandler {
-    /**
-     * Cookie name.
-     */
-    private static final String COOKIE_NAME = TokenBasedRememberMeServices.ACEGI_SECURITY_HASHED_REMEMBER_ME_COOKIE_KEY;
-
-    /**
-     * The directory to store remember-me cookies.
-     */
-    private final File store;
-
-    private final Random random;
-
-    public MutatingRememberMeServices(File store) {
-        this.store = store;
-        this.random = new SecureRandom();
-    }
-
-    public Authentication autoLogin(HttpServletRequest request, HttpServletResponse response) {
-        // TODO
-        throw new UnsupportedOperationException();
-    }
-
-    public void loginFail(HttpServletRequest request, HttpServletResponse response) {
-    }
-
-    public void loginSuccess(HttpServletRequest request, HttpServletResponse response, Authentication auth) {
-        RememberMeCookie old = getCookie(request);
-        if(old!=null)   old.invalidate();
-
-        RememberMeCookie n = new RememberMeCookie(auth.getName());
-        
-    }
-
-    private RememberMeCookie getCookie(HttpServletRequest req) throws IOException {
-        for(Cookie c : req.getCookies()) {
-            if(c.getName().equals(COOKIE_NAME)) {
-                // 256bit base64 encoded => 44bytes
-                if(c.getValue().length()>45) {
-                    return new RememberMeCookie(c.getValue().substring(45),
-                            Base64.decode(c.getValue().substring(0,44).toCharArray()));
-                }
-            }
-        }
-
-        // no cookie found, or cookie was syntactically invalid
-        return null;
-    }
-
-    private final class RememberMeCookie {
-        private final String userName;
-        /**
-         * 256bit random number.
-         */
-        private final byte[] randomNumber;
-
-        private RememberMeCookie(String userName) throws IOException {
-            this.userName = userName;
-            this.randomNumber = new byte[32];
-            random.nextBytes(randomNumber);
-
-            // activates this remember me cookie by recording this association
-            FileUtils.writeStringToFile(getKeyFile(),userName,"UTF-8");
-        }
-
-        private RememberMeCookie(String userName, byte[] randomNumber) {
-            this.userName = userName;
-            this.randomNumber = randomNumber;
-        }
-
-        /**
-         * The place to store the cookie on the server side for verification.
-         */
-        private File getKeyFile() {
-            return new File(store,new String(Base64.encode(randomNumber)));
-        }
-
-        /**
-         * Prohibit future log in by using this remember-me cookie. 
-         */
-        private void invalidate() {
-            getKeyFile().delete();
-        }
-
-        private Cookie makeCookie() {
-            Cookie cookie = new Cookie(COOKIE_NAME, );
-            cookie.setMaxAge(new Long(maxAge).intValue());
-            cookie.setPath(StringUtils.hasLength(request.getContextPath()) ? request.getContextPath() : "/");
-        }
-    }
-}