Examples with LdapUserPrincipal org.apache.druid.security.basic.authentication.LdapUserPrincipal used on opensource projects

Example 1 with LdapUserPrincipal

use of org.apache.druid.security.basic.authentication.LdapUserPrincipal in project druid by druid-io.

the class LDAPCredentialsValidator method validateCredentials.

@Override
public AuthenticationResult validateCredentials(String authenticatorName, String authorizerName, String username, char[] password) {
    SearchResult userResult;
    LdapName userDn;
    Map<String, Object> contextMap = new HashMap<>();
    LdapUserPrincipal principal = this.cache.getOrExpire(username);
    if (principal != null && principal.hasSameCredentials(password)) {
        contextMap.put(BasicAuthUtils.SEARCH_RESULT_CONTEXT_KEY, principal.getSearchResult());
        return new AuthenticationResult(username, authorizerName, authenticatorName, contextMap);
    } else {
        ClassLoader currentClassLoader = Thread.currentThread().getContextClassLoader();
        try {
            // Set the context classloader same as the loader of this class so that BasicSecuritySSLSocketFactory
            // class can be found
            Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
            InitialDirContext dirContext = new InitialDirContext(bindProperties(this.ldapConfig));
            try {
                userResult = getLdapUserObject(this.ldapConfig, dirContext, username);
                if (userResult == null) {
                    LOG.debug("User not found: %s", username);
                    return null;
                }
                userDn = new LdapName(userResult.getNameInNamespace());
            } finally {
                try {
                    dirContext.close();
                } catch (Exception ignored) {
                // ignored
                }
            }
        } catch (NamingException e) {
            LOG.error(e, "Exception during user lookup");
            return null;
        } finally {
            Thread.currentThread().setContextClassLoader(currentClassLoader);
        }
        if (!validatePassword(this.ldapConfig, userDn, password)) {
            LOG.debug("Password incorrect for LDAP user %s", username);
            throw new BasicSecurityAuthenticationException("User LDAP authentication failed.");
        }
        byte[] salt = BasicAuthUtils.generateSalt();
        byte[] hash = BasicAuthUtils.hashPassword(password, salt, this.ldapConfig.getCredentialIterations());
        LdapUserPrincipal newPrincipal = new LdapUserPrincipal(username, new BasicAuthenticatorCredentials(salt, hash, this.ldapConfig.getCredentialIterations()), userResult);
        this.cache.put(username, newPrincipal);
        contextMap.put(BasicAuthUtils.SEARCH_RESULT_CONTEXT_KEY, userResult);
        return new AuthenticationResult(username, authorizerName, authenticatorName, contextMap);
    }
}