Example usage for javax.servlet FilterConfig getInitParameter

List of usage examples for javax.servlet FilterConfig getInitParameter

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Introduction

In this page you can find the example usage for javax.servlet FilterConfig getInitParameter.

Prototype

public String getInitParameter(String name);

Source Link

Document

Returns a String containing the value of the named initialization parameter, or null if the initialization parameter does not exist.

Usage

From source file:org.apache.ranger.security.web.filter.RangerKrbFilter.java

/**
 * <p>Initializes the authentication filter and signer secret provider.</p>
 * It instantiates and initializes the specified {@link
 * AuthenticationHandler}./*from w ww  .j ava  2 s.co m*/
 *
 * @param filterConfig filter configuration.
 *
 * @throws ServletException thrown if the filter or the authentication handler could not be initialized properly.
 */
@Override
public void init(FilterConfig filterConfig) throws ServletException {
    String configPrefix = filterConfig.getInitParameter(CONFIG_PREFIX);
    configPrefix = (configPrefix != null) ? configPrefix + "." : "";
    config = getConfiguration(configPrefix, filterConfig);
    String authHandlerName = config.getProperty(AUTH_TYPE, null);
    String authHandlerClassName;
    if (authHandlerName == null) {
        throw new ServletException("Authentication type must be specified: " + PseudoAuthenticationHandler.TYPE
                + "|" + KerberosAuthenticationHandler.TYPE + "|<class>");
    }
    if (StringUtils.equalsIgnoreCase(authHandlerName, PseudoAuthenticationHandler.TYPE)) {
        authHandlerClassName = PseudoAuthenticationHandler.class.getName();
    } else if (StringUtils.equalsIgnoreCase(authHandlerName, KerberosAuthenticationHandler.TYPE)) {
        authHandlerClassName = KerberosAuthenticationHandler.class.getName();
    } else {
        authHandlerClassName = authHandlerName;
    }

    validity = Long.parseLong(config.getProperty(AUTH_TOKEN_VALIDITY, "36000")) * 1000; //10 hours
    initializeSecretProvider(filterConfig);

    initializeAuthHandler(authHandlerClassName, filterConfig);

    cookieDomain = config.getProperty(COOKIE_DOMAIN, null);
    cookiePath = config.getProperty(COOKIE_PATH, null);
}

From source file:net.sf.j2ep.ProxyFilter.java

/**
 * @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
 * /*from   ww w. j a v a  2 s  .c o  m*/
 * Called upon initialization, Will create the ConfigParser and get the
 * RuleChain back. Will also configure the httpclient.
 */
public void init(FilterConfig filterConfig) throws ServletException {
    log = LogFactory.getLog(ProxyFilter.class);
    AllowedMethodHandler.setAllowedMethods("OPTIONS,GET,HEAD,POST,PUT,DELETE,TRACE");

    httpClient = new HttpClient(new MultiThreadedHttpConnectionManager());
    httpClient.getParams().setBooleanParameter(HttpClientParams.USE_EXPECT_CONTINUE, false);
    httpClient.getParams().setCookiePolicy(CookiePolicy.IGNORE_COOKIES);

    String data = filterConfig.getInitParameter("dataUrl");
    if (data == null) {
        serverChain = null;
    } else {
        try {
            File dataFile = new File(filterConfig.getServletContext().getRealPath(data));
            ConfigParser parser = new ConfigParser(dataFile);
            serverChain = parser.getServerChain();
        } catch (Exception e) {
            throw new ServletException(e);
        }
    }
}

From source file:at.gv.egovernment.moa.id.configuration.filter.AuthenticationFilter.java

public void init(FilterConfig filterConfig) throws ServletException {
    log.debug("Starting init of " + this.getClass().getName() + ".");

    try {//from  w  w  w  .  j  a  v a2s . com
        config = ConfigurationProvider.getInstance();

    } catch (ConfigurationException e) {
        throw new ServletException(e.getMessage(), e);

    }

    // login page
    loginPage = StringUtils.trim(filterConfig.getInitParameter(WEB_XML_INIT_PARAM_LOGIN_PAGE));
    if (MiscUtil.isEmpty(loginPage)) {
        throw new ServletException(
                "ServletInitParameter \"" + WEB_XML_INIT_PARAM_LOGIN_PAGE + "\" must not be empty.");
    }
    loginPageForward = false; //!WebAppUtil.isFullQualifiedURL(loginPage);

    // error page
    errorPage = StringUtils.trim(filterConfig.getInitParameter(WEB_XML_INIT_PARAM_ERROR_PAGE));
    if (MiscUtil.isEmpty(errorPage)) {
        throw new ServletException(
                "ServletInitParameter \"" + WEB_XML_INIT_PARAM_ERROR_PAGE + "\" must not be empty.");
    }

    // session lost page
    sessionLostPage = StringUtils.trim(filterConfig.getInitParameter(WEB_XML_INIT_PARAM_SESSION_LOST_PAGE));
    if (MiscUtil.isEmpty(sessionLostPage)) {
        log.warn("ServletInitParameter \"" + WEB_XML_INIT_PARAM_SESSION_LOST_PAGE
                + "\" is empty. This parameter defines a failsafe url the browser is redirected to if the original url has been lost due to session timeout.");
    }

    // authenticated page
    authenticatedPage = StringUtils.trim(filterConfig.getInitParameter(WEB_XML_INIT_PARAM_AUTHENTICATED_PAGE));
    if (MiscUtil.isEmpty(authenticatedPage)) {
        log.debug("ServletInitParameter \"" + WEB_XML_INIT_PARAM_AUTHENTICATED_PAGE
                + "\" is empty. This parameter defines the url the user is redirected to (instead of the original url) on successful authentication.");
    }
    String excluded = filterConfig.getInitParameter(WEB_XML_INIT_PARAM_ALLOWED_LIST);
    ArrayList<String> excludedList = new ArrayList<String>();
    if (MiscUtil.isNotEmpty(excluded)) {
        StringTokenizer tokenizer = new StringTokenizer(excluded, WEB_XML_INIT_PARAM_EXCLUDED_PAGES_DELIMITER);
        while (tokenizer.hasMoreTokens()) {
            String ex = StringUtils.trim(tokenizer.nextToken());
            if (MiscUtil.isNotEmpty(ex)) {
                excludedList.add(ex);
            }
        }
    }
    excludedList.add(loginPage);
    excludedList.add(errorPage);
    excludedPages = new String[excludedList.size()];
    excludedPages = excludedList.toArray(excludedPages);

    String excludedRegExString = StringUtils
            .trim(filterConfig.getInitParameter(WEB_XML_INIT_PARAM_ALLOWED_REGEX));
    if (MiscUtil.isNotEmpty(excludedRegExString)) {
        excludedRegEx = Pattern.compile(excludedRegExString);
    }

    log.debug(WEB_XML_INIT_PARAM_LOGIN_PAGE + " [" + (loginPageForward ? "forward" : "redirect") + "] = \""
            + loginPage + "\"");
    log.debug(WEB_XML_INIT_PARAM_AUTHENTICATED_PAGE + " = \""
            + (MiscUtil.isNotEmpty(authenticatedPage) ? authenticatedPage : "<n/a>") + "\"");
    log.debug(WEB_XML_INIT_PARAM_ERROR_PAGE + " = \"" + errorPage + "\"");
    log.debug(WEB_XML_INIT_PARAM_SESSION_LOST_PAGE + " = \""
            + (MiscUtil.isNotEmpty(sessionLostPage) ? sessionLostPage : "<n/a>") + "\"");
    log.debug(WEB_XML_INIT_PARAM_ALLOWED_LIST + " = " + ToStringUtil.toString(excludedPages, ", ", "\""));
    log.debug(WEB_XML_INIT_PARAM_ALLOWED_REGEX + " = \""
            + (excludedRegEx != null ? excludedRegEx.pattern() : "<n/a>") + "\"");
}

From source file:com.cws.esolutions.security.filters.SSLEnforcementFilter.java

public void init(final FilterConfig filterConfig) throws ServletException {
    final String methodName = SSLEnforcementFilter.CNAME
            + "#init(FilterConfig filterConfig) throws ServletException";

    if (DEBUG) {/*ww w . j a  va 2  s .com*/
        DEBUGGER.debug(methodName);
        DEBUGGER.debug("FilterConfig: {}", filterConfig);
    }

    ResourceBundle rBundle = null;

    try {
        if (filterConfig.getInitParameter(SSLEnforcementFilter.FILTER_CONFIG_PARAM_NAME) == null) {
            ERROR_RECORDER.error("Filter configuration not found. Using default !");

            rBundle = ResourceBundle.getBundle(SSLEnforcementFilter.FILTER_CONFIG_FILE_NAME);
        } else {
            rBundle = ResourceBundle
                    .getBundle(filterConfig.getInitParameter(SSLEnforcementFilter.FILTER_CONFIG_PARAM_NAME));
        }

        this.ignoreHosts = (StringUtils.isNotEmpty(rBundle.getString(SSLEnforcementFilter.IGNORE_HOST_LIST)))
                ? rBundle.getString(SSLEnforcementFilter.IGNORE_HOST_LIST).trim().split(",")
                : null;
        this.ignoreURIs = (StringUtils.isNotEmpty(rBundle.getString(SSLEnforcementFilter.IGNORE_URI_LIST)))
                ? rBundle.getString(SSLEnforcementFilter.IGNORE_HOST_LIST).trim().split(",")
                : null;

        if (DEBUG) {
            if (this.ignoreHosts != null) {
                for (String str : this.ignoreHosts) {
                    DEBUGGER.debug(str);
                }
            }

            if (this.ignoreURIs != null) {
                for (String str : this.ignoreURIs) {
                    DEBUGGER.debug(str);
                }
            }
        }
    } catch (MissingResourceException mre) {
        ERROR_RECORDER.error(mre.getMessage(), mre);

        throw new UnavailableException(mre.getMessage());
    }
}

From source file:org.commonfarm.web.ECSideFilter.java

public void init(FilterConfig filterConfig) throws ServletException {
    this.filterConfig = filterConfig;
    servletContext = filterConfig.getServletContext();
    servletRealPath = servletContext.getRealPath("/");

    initEncoding();//from  w w w .  j av  a2  s .  com
    initEasyList();

    String responseHeadersSetBeforeDoFilter = filterConfig.getInitParameter("responseHeadersSetBeforeDoFilter");
    if (StringUtils.isNotBlank(responseHeadersSetBeforeDoFilter)) {
        ECSideFilter.responseHeadersSetBeforeDoFilter = Boolean.valueOf(responseHeadersSetBeforeDoFilter)
                .booleanValue();
    }

}

From source file:edu.indiana.d2i.htrc.oauth2.filter.OAuth2Filter.java

/**
 * Setup servlet filter instance after reading filter configuration in web.xml. In a production scenario where
 * WSO2 IS is deployed with a valid certificate filter doesn't need trust store and trust store password
 * configuration values./*from w  ww. jav  a2s . c  o  m*/
 *
 * Also it's better have a web app specific user account to use with filter. This will make it easier to audit the
 * security logs.
 *
 * @param filterConfig  OAuth2 filter configuration
 * @throws ServletException
 */
public void init(FilterConfig filterConfig) throws ServletException {

    try {
        config = filterConfig;
        String log4jPath = config.getInitParameter(PN_LOG4J_PROPERTIES_PATH);
        AuditorFactory.init(config.getInitParameter(PN_AUDITOR_CLASS));
        auditorFactory = new AuditorFactory();

        if (log4jPath != null) {
            PropertyConfigurator.configure(log4jPath);
        }

        providerUrl = filterConfig.getInitParameter(OAUTH2_PROVIDER_URL);
        if (providerUrl == null || providerUrl.isEmpty()) {
            log.error("Cannot find OAuth2 provider URL in filter configuration!");
            throw new RuntimeException("Cannot find OAuth2 provider URL in filter configuration!");
        }
        userName = filterConfig.getInitParameter(OAUTH2_PROVIDER_USERS);
        if (userName == null || userName.isEmpty()) {
            log.error("Cannot find OAuth2 provider username in filter configuration!");
            throw new RuntimeException("Cannot find OAuth2 provider username in filter configuration!");
        }

        password = filterConfig.getInitParameter(OAUTH2_PROVIDER_PASSWORD);
        if (password == null || password.isEmpty()) {
            log.error("Cannot find OAuth2 provider password in filter configuration!");
            throw new RuntimeException("Cannot find OAuth2 provider password in filter configuration!");
        }
        // Trust store can be used when WSO2 IS is deployed with self-signed certificates
        trustStore = filterConfig.getInitParameter(TRUST_STORE);
        trustStorePassword = filterConfig.getInitParameter(TRUST_STORE_PASSWORD);

        if (trustStore != null && trustStorePassword != null) {
            System.setProperty(TRUST_STORE, trustStore);
            System.setProperty(TRUST_STORE_PASSWORD, trustStorePassword);
        }

        realm = filterConfig.getInitParameter(OAUTH2_RESOURCE_REALM);

    } catch (Exception e) {
        e.printStackTrace();
        throw new ServletException(e);
    }

}

From source file:org.apache.hadoop.security.authentication.server.AuthenticationFilter.java

/**
 * Returns the filtered configuration (only properties starting with the specified prefix). The property keys
 * are also trimmed from the prefix. The returned {@link Properties} object is used to initialized the
 * {@link AuthenticationHandler}./*from  w  ww . j  a  v a 2s . c  o  m*/
 * <p/>
 * This method can be overriden by subclasses to obtain the configuration from other configuration source than
 * the web.xml file.
 *
 * @param configPrefix configuration prefix to use for extracting configuration properties.
 * @param filterConfig filter configuration object
 *
 * @return the configuration to be used with the {@link AuthenticationHandler} instance.
 *
 * @throws ServletException thrown if the configuration could not be created.
 */
protected Properties getConfiguration(String configPrefix, FilterConfig filterConfig) throws ServletException {
    Properties props = new Properties();
    Enumeration<?> names = filterConfig.getInitParameterNames();
    while (names.hasMoreElements()) {
        String name = (String) names.nextElement();
        if (name.startsWith(configPrefix)) {
            String value = filterConfig.getInitParameter(name);
            props.put(name.substring(configPrefix.length()), value);
        }
    }
    return props;
}

From source file:org.apache.hadoop.gateway.filter.rewrite.impl.UrlRewriteResponse.java

public UrlRewriteResponse(FilterConfig config, HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    super(response);
    this.rewriter = UrlRewriteServletContextListener.getUrlRewriter(config.getServletContext());
    this.config = config;
    this.request = request;
    this.response = response;
    this.output = null;
    getXForwardedHeaders();/*from  w w w. ja v  a  2s  .c  o  m*/
    this.bodyFilterName = config.getInitParameter(UrlRewriteServletFilter.RESPONSE_BODY_FILTER_PARAM);
    this.headersFilterName = config.getInitParameter(UrlRewriteServletFilter.RESPONSE_HEADERS_FILTER_PARAM);
    this.headersFilterConfig = getRewriteFilterConfig(rewriter.getConfig(), headersFilterName,
            UrlRewriteServletFilter.HEADERS_MIME_TYPE);
    this.cookiesFilterName = config.getInitParameter(UrlRewriteServletFilter.RESPONSE_COOKIES_FILTER_PARAM);
}

From source file:org.ajax4jsf.webapp.BaseXMLFilter.java

public void init(FilterConfig config) throws ServletException {
    if (log.isDebugEnabled()) {
        log.debug("init XML filter service with class " + this.getClass().getName());
    }//from   ww  w. ja  v a  2  s.  c  o m
    String forceXmlParameter = config.getInitParameter(FORCEXML_PARAMETER);
    if (forceXmlParameter == null) {
        forceXmlParameter = config.getServletContext()
                .getInitParameter(INIT_PARAMETER_PREFIX + FORCEXML_PARAMETER);
    }
    setupForceXml(forceXmlParameter);

    String forceNotRfParameter = config.getInitParameter(FORCENOTRF_PARAMETER);
    if (forceNotRfParameter == null) {
        forceNotRfParameter = config.getServletContext()
                .getInitParameter(INIT_PARAMETER_PREFIX + FORCENOTRF_PARAMETER);
    }
    setupForcenotrf(forceNotRfParameter);

    setMimetype((String) nz(config.getInitParameter(MIME_TYPE_PARAMETER), "text/xml"));
    setPublicid((String) nz(config.getInitParameter(PUBLICID_PARAMETER), getPublicid()));
    setSystemid((String) nz(config.getInitParameter(SYSTEMID_PARAMETER), getSystemid()));
    setNamespace((String) nz(config.getInitParameter(NAMESPACE_PARAMETER), getNamespace()));
    handleViewExpiredOnClient = Boolean.parseBoolean(
            config.getServletContext().getInitParameter(ContextInitParameters.HANDLE_VIEW_EXPIRED_ON_CLIENT));

}

From source file:org.apache.struts2.dispatcher.FilterDispatcher.java

/**
 * Initializes the filter by creating a default dispatcher
 * and setting the default packages for static resources.
 *
 * @param filterConfig The filter configuration
 *//*from   ww  w.  j  a  v a2  s  .c o m*/
public void init(FilterConfig filterConfig) throws ServletException {
    this.filterConfig = filterConfig;

    dispatcher = createDispatcher(filterConfig);
    dispatcher.init();

    String param = filterConfig.getInitParameter("packages");
    String packages = "org.apache.struts2.static template org.apache.struts2.interceptor.debugging";
    if (param != null) {
        packages = param + " " + packages;
    }
    this.pathPrefixes = parse(packages);
}