List of usage examples for org.apache.hadoop.security.authentication.util Signer Signer
public Signer(SignerSecretProvider secretProvider)
From source file:io.druid.security.kerberos.KerberosAuthenticator.java
License:Apache License
@Override public Filter getFilter() { return new AuthenticationFilter() { private Signer mySigner; @Override//from w w w . jav a 2 s. co m public void init(FilterConfig filterConfig) throws ServletException { ClassLoader prevLoader = Thread.currentThread().getContextClassLoader(); try { // AuthenticationHandler is created during Authenticationfilter.init using reflection with thread context class loader. // In case of druid since the class is actually loaded as an extension and filter init is done in main thread. // We need to set the classloader explicitly to extension class loader. Thread.currentThread().setContextClassLoader(AuthenticationFilter.class.getClassLoader()); super.init(filterConfig); String configPrefix = filterConfig.getInitParameter(CONFIG_PREFIX); configPrefix = (configPrefix != null) ? configPrefix + "." : ""; Properties config = getConfiguration(configPrefix, filterConfig); String signatureSecret = config.getProperty(configPrefix + SIGNATURE_SECRET); if (signatureSecret == null) { signatureSecret = Long.toString(new Random().nextLong()); log.warn("'signature.secret' configuration not set, using a random value as secret"); } final byte[] secretBytes = StringUtils.toUtf8(signatureSecret); SignerSecretProvider signerSecretProvider = new SignerSecretProvider() { @Override public void init(Properties config, ServletContext servletContext, long tokenValidity) throws Exception { } @Override public byte[] getCurrentSecret() { return secretBytes; } @Override public byte[][] getAllSecrets() { return new byte[][] { secretBytes }; } }; mySigner = new Signer(signerSecretProvider); } finally { Thread.currentThread().setContextClassLoader(prevLoader); } } // Copied from hadoop-auth's AuthenticationFilter, to allow us to change error response handling in doFilterSuper @Override protected AuthenticationToken getToken(HttpServletRequest request) throws IOException, AuthenticationException { AuthenticationToken token = null; String tokenStr = null; Cookie[] cookies = request.getCookies(); if (cookies != null) { for (Cookie cookie : cookies) { if (cookie.getName().equals(AuthenticatedURL.AUTH_COOKIE)) { tokenStr = cookie.getValue(); try { tokenStr = mySigner.verifyAndExtract(tokenStr); } catch (SignerException ex) { throw new AuthenticationException(ex); } break; } } } if (tokenStr != null) { token = AuthenticationToken.parse(tokenStr); if (!token.getType().equals(getAuthenticationHandler().getType())) { throw new AuthenticationException("Invalid AuthenticationToken type"); } if (token.isExpired()) { throw new AuthenticationException("AuthenticationToken expired"); } } return token; } @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException, ServletException { HttpServletRequest httpReq = (HttpServletRequest) request; // If there's already an auth result, then we have authenticated already, skip this. if (request.getAttribute(AuthConfig.DRUID_AUTHENTICATION_RESULT) != null) { filterChain.doFilter(request, response); return; } if (loginContext == null) { initializeKerberosLogin(); } String path = ((HttpServletRequest) request).getRequestURI(); if (isExcluded(path)) { filterChain.doFilter(request, response); } else { String clientPrincipal = null; try { Cookie[] cookies = httpReq.getCookies(); if (cookies == null) { clientPrincipal = getPrincipalFromRequestNew((HttpServletRequest) request); } else { clientPrincipal = null; for (Cookie cookie : cookies) { if ("hadoop.auth".equals(cookie.getName())) { Matcher matcher = HADOOP_AUTH_COOKIE_REGEX.matcher(cookie.getValue()); if (matcher.matches()) { clientPrincipal = matcher.group(1); break; } } } } } catch (Exception ex) { clientPrincipal = null; } if (clientPrincipal != null) { request.setAttribute(AuthConfig.DRUID_AUTHENTICATION_RESULT, new AuthenticationResult(clientPrincipal, authorizerName, null)); } } doFilterSuper(request, response, filterChain); } // Copied from hadoop-auth's AuthenticationFilter, to allow us to change error response handling private void doFilterSuper(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException, ServletException { boolean unauthorizedResponse = true; int errCode = HttpServletResponse.SC_UNAUTHORIZED; AuthenticationException authenticationEx = null; HttpServletRequest httpRequest = (HttpServletRequest) request; HttpServletResponse httpResponse = (HttpServletResponse) response; boolean isHttps = "https".equals(httpRequest.getScheme()); try { boolean newToken = false; AuthenticationToken token; try { token = getToken(httpRequest); } catch (AuthenticationException ex) { log.warn("AuthenticationToken ignored: " + ex.getMessage()); // will be sent back in a 401 unless filter authenticates authenticationEx = ex; token = null; } if (getAuthenticationHandler().managementOperation(token, httpRequest, httpResponse)) { if (token == null) { if (log.isDebugEnabled()) { log.debug("Request [{%s}] triggering authentication", getRequestURL(httpRequest)); } token = getAuthenticationHandler().authenticate(httpRequest, httpResponse); if (token != null && token.getExpires() != 0 && token != AuthenticationToken.ANONYMOUS) { token.setExpires(System.currentTimeMillis() + getValidity() * 1000); } newToken = true; } if (token != null) { unauthorizedResponse = false; if (log.isDebugEnabled()) { log.debug("Request [{%s}] user [{%s}] authenticated", getRequestURL(httpRequest), token.getUserName()); } final AuthenticationToken authToken = token; httpRequest = new HttpServletRequestWrapper(httpRequest) { @Override public String getAuthType() { return authToken.getType(); } @Override public String getRemoteUser() { return authToken.getUserName(); } @Override public Principal getUserPrincipal() { return (authToken != AuthenticationToken.ANONYMOUS) ? authToken : null; } }; if (newToken && !token.isExpired() && token != AuthenticationToken.ANONYMOUS) { String signedToken = mySigner.sign(token.toString()); createAuthCookie(httpResponse, signedToken, getCookieDomain(), getCookiePath(), token.getExpires(), isHttps); } doFilter(filterChain, httpRequest, httpResponse); } } else { unauthorizedResponse = false; } } catch (AuthenticationException ex) { // exception from the filter itself is fatal errCode = HttpServletResponse.SC_FORBIDDEN; authenticationEx = ex; if (log.isDebugEnabled()) { log.debug("Authentication exception: " + ex.getMessage(), ex); } else { log.warn("Authentication exception: " + ex.getMessage()); } } if (unauthorizedResponse) { if (!httpResponse.isCommitted()) { createAuthCookie(httpResponse, "", getCookieDomain(), getCookiePath(), 0, isHttps); // If response code is 401. Then WWW-Authenticate Header should be // present.. reset to 403 if not found.. if ((errCode == HttpServletResponse.SC_UNAUTHORIZED) && (!httpResponse.containsHeader( org.apache.hadoop.security.authentication.client.KerberosAuthenticator.WWW_AUTHENTICATE))) { errCode = HttpServletResponse.SC_FORBIDDEN; } if (authenticationEx == null) { // Don't send an error response here, unlike the base AuthenticationFilter implementation. // This request did not use Kerberos auth. // Instead, we will send an error response in PreResponseAuthorizationCheckFilter to allow // other Authenticator implementations to check the request. filterChain.doFilter(request, response); } else { // Do send an error response here, we attempted Kerberos authentication and failed. httpResponse.sendError(errCode, authenticationEx.getMessage()); } } } } }; }
From source file:org.apache.druid.security.kerberos.KerberosAuthenticator.java
License:Apache License
@Override public Filter getFilter() { return new AuthenticationFilter() { private Signer mySigner; @Override/* w ww .j av a 2 s.co m*/ public void init(FilterConfig filterConfig) throws ServletException { ClassLoader prevLoader = Thread.currentThread().getContextClassLoader(); try { // AuthenticationHandler is created during Authenticationfilter.init using reflection with thread context class loader. // In case of druid since the class is actually loaded as an extension and filter init is done in main thread. // We need to set the classloader explicitly to extension class loader. Thread.currentThread().setContextClassLoader(AuthenticationFilter.class.getClassLoader()); super.init(filterConfig); String configPrefix = filterConfig.getInitParameter(CONFIG_PREFIX); configPrefix = (configPrefix != null) ? configPrefix + "." : ""; Properties config = getConfiguration(configPrefix, filterConfig); String signatureSecret = config.getProperty(configPrefix + SIGNATURE_SECRET); if (signatureSecret == null) { signatureSecret = Long.toString(ThreadLocalRandom.current().nextLong()); log.warn("'signature.secret' configuration not set, using a random value as secret"); } final byte[] secretBytes = StringUtils.toUtf8(signatureSecret); SignerSecretProvider signerSecretProvider = new SignerSecretProvider() { @Override public void init(Properties config, ServletContext servletContext, long tokenValidity) { } @Override public byte[] getCurrentSecret() { return secretBytes; } @Override public byte[][] getAllSecrets() { return new byte[][] { secretBytes }; } }; mySigner = new Signer(signerSecretProvider); } finally { Thread.currentThread().setContextClassLoader(prevLoader); } } // Copied from hadoop-auth's AuthenticationFilter, to allow us to change error response handling in doFilterSuper @Override protected AuthenticationToken getToken(HttpServletRequest request) throws AuthenticationException { AuthenticationToken token = null; String tokenStr = null; Cookie[] cookies = request.getCookies(); if (cookies != null) { for (Cookie cookie : cookies) { if (cookie.getName().equals(AuthenticatedURL.AUTH_COOKIE)) { tokenStr = cookie.getValue(); try { tokenStr = mySigner.verifyAndExtract(tokenStr); } catch (SignerException ex) { throw new AuthenticationException(ex); } break; } } } if (tokenStr != null) { token = AuthenticationToken.parse(tokenStr); if (!token.getType().equals(getAuthenticationHandler().getType())) { throw new AuthenticationException("Invalid AuthenticationToken type"); } if (token.isExpired()) { throw new AuthenticationException("AuthenticationToken expired"); } } return token; } @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException, ServletException { // If there's already an auth result, then we have authenticated already, skip this. if (request.getAttribute(AuthConfig.DRUID_AUTHENTICATION_RESULT) != null) { filterChain.doFilter(request, response); return; } // In the hadoop-auth 2.7.3 code that this was adapted from, the login would've occurred during init() of // the AuthenticationFilter via `initializeAuthHandler(authHandlerClassName, filterConfig)`. // Since we co-exist with other authentication schemes, don't login until we've checked that // some other Authenticator didn't already validate this request. if (loginContext == null) { initializeKerberosLogin(); } // Run the original doFilter method, but with modifications to error handling doFilterSuper(request, response, filterChain); } /** * Copied from hadoop-auth 2.7.3 AuthenticationFilter, to allow us to change error response handling. * Specifically, we want to defer the sending of 401 Unauthorized so that other Authenticators later in the chain * can check the request. */ private void doFilterSuper(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException, ServletException { boolean unauthorizedResponse = true; int errCode = HttpServletResponse.SC_UNAUTHORIZED; AuthenticationException authenticationEx = null; HttpServletRequest httpRequest = (HttpServletRequest) request; HttpServletResponse httpResponse = (HttpServletResponse) response; boolean isHttps = "https".equals(httpRequest.getScheme()); try { boolean newToken = false; AuthenticationToken token; try { token = getToken(httpRequest); } catch (AuthenticationException ex) { log.warn("AuthenticationToken ignored: " + ex.getMessage()); // will be sent back in a 401 unless filter authenticates authenticationEx = ex; token = null; } if (getAuthenticationHandler().managementOperation(token, httpRequest, httpResponse)) { if (token == null) { if (log.isDebugEnabled()) { log.debug("Request [{%s}] triggering authentication", getRequestURL(httpRequest)); } token = getAuthenticationHandler().authenticate(httpRequest, httpResponse); if (token != null && token.getExpires() != 0 && token != AuthenticationToken.ANONYMOUS) { token.setExpires(System.currentTimeMillis() + getValidity() * 1000); } newToken = true; } if (token != null) { unauthorizedResponse = false; if (log.isDebugEnabled()) { log.debug("Request [{%s}] user [{%s}] authenticated", getRequestURL(httpRequest), token.getUserName()); } final AuthenticationToken authToken = token; httpRequest = new HttpServletRequestWrapper(httpRequest) { @Override public String getAuthType() { return authToken.getType(); } @Override public String getRemoteUser() { return authToken.getUserName(); } @Override public Principal getUserPrincipal() { return (authToken != AuthenticationToken.ANONYMOUS) ? authToken : null; } }; if (newToken && !token.isExpired() && token != AuthenticationToken.ANONYMOUS) { String signedToken = mySigner.sign(token.toString()); tokenToAuthCookie(httpResponse, signedToken, getCookieDomain(), getCookiePath(), token.getExpires(), !token.isExpired() && token.getExpires() > 0, isHttps); request.setAttribute(SIGNED_TOKEN_ATTRIBUTE, tokenToCookieString(signedToken, getCookieDomain(), getCookiePath(), token.getExpires(), !token.isExpired() && token.getExpires() > 0, isHttps)); } // Since this request is validated also set DRUID_AUTHENTICATION_RESULT request.setAttribute(AuthConfig.DRUID_AUTHENTICATION_RESULT, new AuthenticationResult(token.getName(), authorizerName, name, null)); doFilter(filterChain, httpRequest, httpResponse); } } else { unauthorizedResponse = false; } } catch (AuthenticationException ex) { // exception from the filter itself is fatal errCode = HttpServletResponse.SC_FORBIDDEN; authenticationEx = ex; if (log.isDebugEnabled()) { log.debug(ex, "Authentication exception: " + ex.getMessage()); } else { log.warn("Authentication exception: " + ex.getMessage()); } } if (unauthorizedResponse) { if (!httpResponse.isCommitted()) { tokenToAuthCookie(httpResponse, "", getCookieDomain(), getCookiePath(), 0, false, isHttps); // If response code is 401. Then WWW-Authenticate Header should be // present.. reset to 403 if not found.. if ((errCode == HttpServletResponse.SC_UNAUTHORIZED) && (!httpResponse.containsHeader( org.apache.hadoop.security.authentication.client.KerberosAuthenticator.WWW_AUTHENTICATE))) { errCode = HttpServletResponse.SC_FORBIDDEN; } if (authenticationEx == null) { // Don't send an error response here, unlike the base AuthenticationFilter implementation. // This request did not use Kerberos auth. // Instead, we will send an error response in PreResponseAuthorizationCheckFilter to allow // other Authenticator implementations to check the request. filterChain.doFilter(request, response); } else { // Do send an error response here, we attempted Kerberos authentication and failed. httpResponse.sendError(errCode, authenticationEx.getMessage()); } } } } }; }
From source file:org.apache.ranger.security.web.filter.RangerKrbFilter.java
License:Apache License
protected void initializeSecretProvider(FilterConfig filterConfig) throws ServletException { secretProvider = (SignerSecretProvider) filterConfig.getServletContext() .getAttribute(SIGNER_SECRET_PROVIDER_ATTRIBUTE); if (secretProvider == null) { // As tomcat cannot specify the provider object in the configuration. // It'll go into this path try {//from w ww. j av a 2 s . c o m secretProvider = constructSecretProvider(filterConfig.getServletContext(), config, false); } catch (Exception ex) { throw new ServletException(ex); } } signer = new Signer(secretProvider); }
From source file:org.apache.zeppelin.realm.kerberos.KerberosRealm.java
License:Apache License
private void initializeSecretProvider() throws ServletException { try {/*from ww w. j a v a2 s .c o m*/ secretProvider = constructSecretProvider(true); destroySecretProvider = true; signer = new Signer(secretProvider); } catch (Exception ex) { throw new ServletException(ex); } }