Example usage for org.springframework.security.authentication.jaas DefaultJaasAuthenticationProvider afterPropertiesSet

Introduction

In this page you can find the example usage for org.springframework.security.authentication.jaas DefaultJaasAuthenticationProvider afterPropertiesSet.

Prototype

@Override
    public void afterPropertiesSet() throws Exception 

Source Link

Usage

From source file:org.apache.atlas.web.security.AtlasPamAuthenticationProvider.java

private Authentication getPamAuthentication(Authentication authentication) {
    try {//from   ww  w . j  ava 2  s.com
        DefaultJaasAuthenticationProvider jaasAuthenticationProvider = new DefaultJaasAuthenticationProvider();
        String loginModuleName = "org.apache.atlas.web.security.PamLoginModule";
        AppConfigurationEntry.LoginModuleControlFlag controlFlag = AppConfigurationEntry.LoginModuleControlFlag.REQUIRED;
        Properties properties = ConfigurationConverter
                .getProperties(ApplicationProperties.get().subset("atlas.authentication.method.pam"));
        Map<String, String> options = new HashMap<>();
        for (String key : properties.stringPropertyNames()) {
            String value = properties.getProperty(key);
            options.put(key, value);
        }
        if (!options.containsKey("service"))
            options.put("service", "atlas-login");
        AppConfigurationEntry appConfigurationEntry = new AppConfigurationEntry(loginModuleName, controlFlag,
                options);
        AppConfigurationEntry[] appConfigurationEntries = new AppConfigurationEntry[] { appConfigurationEntry };
        Map<String, AppConfigurationEntry[]> appConfigurationEntriesOptions = new HashMap<String, AppConfigurationEntry[]>();
        appConfigurationEntriesOptions.put("SPRINGSECURITY", appConfigurationEntries);
        Configuration configuration = new InMemoryConfiguration(appConfigurationEntriesOptions);
        jaasAuthenticationProvider.setConfiguration(configuration);
        UserAuthorityGranter authorityGranter = new UserAuthorityGranter();
        UserAuthorityGranter[] authorityGranters = new UserAuthorityGranter[] { authorityGranter };
        jaasAuthenticationProvider.setAuthorityGranters(authorityGranters);
        jaasAuthenticationProvider.afterPropertiesSet();

        String userName = authentication.getName();
        String userPassword = "";
        if (authentication.getCredentials() != null) {
            userPassword = authentication.getCredentials().toString();
        }

        // getting user authenticated
        if (userName != null && userPassword != null && !userName.trim().isEmpty()
                && !userPassword.trim().isEmpty()) {
            final List<GrantedAuthority> grantedAuths = getAuthorities(userName);

            final UserDetails principal = new User(userName, userPassword, grantedAuths);

            final Authentication finalAuthentication = new UsernamePasswordAuthenticationToken(principal,
                    userPassword, grantedAuths);

            authentication = jaasAuthenticationProvider.authenticate(finalAuthentication);
            authentication = getAuthenticationWithGrantedAuthority(authentication);
            return authentication;
        } else {
            return authentication;
        }

    } catch (Exception e) {
        logger.debug("Pam Authentication Failed:", e);
    }
    return authentication;
}

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