org.apache.james.user.jcr.model.JCRUser Maven / Gradle / Ivy

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package org.apache.james.user.jcr.model;

import org.apache.jackrabbit.util.Text;
import org.apache.james.user.api.model.User;

/**
 * User backed by JCR data. Differs from standard James by improved hash. TODO:
 * think about improving DefaultUser.
 */
public class JCRUser implements User {

    /**
     * Static salt for hashing password. Modifying this value will render all
     * passwords unrecognizable.
     */
    public static final String SALT = "JCRUsersRepository";

    /**
     * Hashes salted password.
     * 
     * @param username
     *            not null
     * @param password
     *            not null
     * @return not null
     */
    public static String hashPassword(String username, String password) {
        // Combine dynamic and static salt
        final String hashedSaltedPassword = Text.md5(Text.md5(username + password) + SALT);
        return hashedSaltedPassword;
    }

    private final String userName;
    private String hashedSaltedPassword;

    public JCRUser(final String userName, String hashedSaltedPassword) {
        super();
        this.userName = userName;
        this.hashedSaltedPassword = hashedSaltedPassword;
    }

    public String getUserName() {
        return userName;
    }

    /**
     * Gets salted, hashed password.
     * 
     * @return the hashedSaltedPassword
     */
    public final String getHashedSaltedPassword() {
        return hashedSaltedPassword;
    }

    public boolean setPassword(String newPass) {
        final boolean result;
        if (newPass == null) {
            result = false;
        } else {
            hashedSaltedPassword = hashPassword(userName, newPass);
            result = true;
        }
        return result;
    }

    public boolean verifyPassword(String pass) {
        final boolean result;
        if (pass == null) {
            result = false;
        } else {
            result = hashedSaltedPassword.equals(hashPassword(userName, pass));
        }
        return result;
    }
}