[picketlink-commits] Picketlink SVN: r986 - in social/trunk/openid/src/main/java/org/picketlink/social/openid: providers and 2 other directories.

Author: anil.saldhana(a)jboss.com Date: 2011-06-13 14:36:40 -0400 (Mon, 13 Jun 2011) New Revision: 986 Added: social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/ social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDConsumerServlet.java social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDProviderServlet.java social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDYadisServlet.java social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/SecurityActions.java Modified: social/trunk/openid/src/main/java/org/picketlink/social/openid/providers/OpenIDTokenProvider.java social/trunk/openid/src/main/java/org/picketlink/social/openid/providers/helpers/OpenIDProtocolContext.java Log: migrate openid servlets from fed trunk Modified: social/trunk/openid/src/main/java/org/picketlink/social/openid/providers/OpenIDTokenProvider.java =================================================================== --- social/trunk/openid/src/main/java/org/picketlink/social/openid/providers/OpenIDTokenProvider.java 2011-06-13 18:25:32 UTC (rev 985) +++ social/trunk/openid/src/main/java/org/picketlink/social/openid/providers/OpenIDTokenProvider.java 2011-06-13 18:36:40 UTC (rev 986) @@ -22,19 +22,19 @@ package org.picketlink.social.openid.providers; import javax.xml.namespace.QName; - -import org.picketlink.identity.federation.core.exceptions.ProcessingException; + +import org.jboss.security.xacml.sunxacml.ProcessingException; import org.picketlink.identity.federation.core.interfaces.ProtocolContext; import org.picketlink.identity.federation.core.interfaces.SecurityTokenProvider; -import org.picketlink.identity.federation.core.openid.providers.helpers.OpenIDParameterList; -import org.picketlink.identity.federation.core.openid.providers.helpers.OpenIDProtocolContext; -import org.picketlink.identity.federation.core.openid.providers.helpers.OpenIDProtocolContext.AUTH_HOLDER; -import org.picketlink.identity.federation.core.openid.providers.helpers.OpenIDProtocolContext.MODE; -import org.picketlink.identity.federation.core.openid.providers.helpers.OpenIDProviderManager; -import org.picketlink.identity.federation.core.openid.providers.helpers.OpenIDTokenRegistryStore; -import org.picketlink.identity.federation.core.openid.providers.helpers.OpenIDProviderManager.OpenIDMessage; import org.picketlink.identity.federation.core.sts.AbstractSecurityTokenProvider; import org.picketlink.identity.federation.core.sts.PicketLinkCoreSTS; +import org.picketlink.social.openid.providers.helpers.OpenIDParameterList; +import org.picketlink.social.openid.providers.helpers.OpenIDProtocolContext; +import org.picketlink.social.openid.providers.helpers.OpenIDProtocolContext.AUTH_HOLDER; +import org.picketlink.social.openid.providers.helpers.OpenIDProtocolContext.MODE; +import org.picketlink.social.openid.providers.helpers.OpenIDProviderManager; +import org.picketlink.social.openid.providers.helpers.OpenIDTokenRegistryStore; +import org.picketlink.social.openid.providers.helpers.OpenIDProviderManager.OpenIDMessage; /** * @author Anil.Saldhana(a)redhat.com @@ -49,7 +49,7 @@ protected static OpenIDProviderManager serverManager = null; //Will be initialized the first time of access /** - * @see org.picketlink.identity.federation.core.interfaces.SecurityTokenProvider#supports(java.lang.String) + * @see org.picketlink.social.interfaces.SecurityTokenProvider#supports(java.lang.String) */ public boolean supports(String namespace) { @@ -57,7 +57,7 @@ } /** - * @see org.picketlink.identity.federation.core.interfaces.SecurityTokenProvider#tokenType() + * @see org.picketlink.social.interfaces.SecurityTokenProvider#tokenType() */ public String tokenType() { @@ -65,7 +65,7 @@ } /** - * @see org.picketlink.identity.federation.core.interfaces.SecurityTokenProvider#getSupportedQName() + * @see org.picketlink.social.interfaces.SecurityTokenProvider#getSupportedQName() */ public QName getSupportedQName() { @@ -73,7 +73,7 @@ } /** - * @see org.picketlink.identity.federation.core.interfaces.SecurityTokenProvider#family() + * @see org.picketlink.social.interfaces.SecurityTokenProvider#family() */ public String family() { @@ -81,7 +81,7 @@ } /** - * @see org.picketlink.identity.federation.core.interfaces.SecurityTokenProvider#issueToken(org.picketlink.identity.federation.core.interfaces.ProtocolContext) + * @see org.picketlink.social.interfaces.SecurityTokenProvider#issueToken(org.picketlink.social.interfaces.ProtocolContext) */ public void issueToken(ProtocolContext context) throws ProcessingException { @@ -137,7 +137,7 @@ } /** - * @see org.picketlink.identity.federation.core.interfaces.SecurityTokenProvider#renewToken(org.picketlink.identity.federation.core.interfaces.ProtocolContext) + * @see org.picketlink.social.interfaces.SecurityTokenProvider#renewToken(org.picketlink.social.interfaces.ProtocolContext) */ public void renewToken(ProtocolContext context) throws ProcessingException { @@ -148,7 +148,7 @@ } /* - * @see org.picketlink.identity.federation.core.interfaces.SecurityTokenProvider#cancelToken(org.picketlink.identity.federation.core.interfaces.ProtocolContext) + * @see org.picketlink.social.interfaces.SecurityTokenProvider#cancelToken(org.picketlink.social.interfaces.ProtocolContext) */ public void cancelToken(ProtocolContext context) throws ProcessingException { @@ -159,7 +159,7 @@ } /** - * @see org.picketlink.identity.federation.core.interfaces.SecurityTokenProvider#validateToken(org.picketlink.identity.federation.core.interfaces.ProtocolContext) + * @see org.picketlink.social.interfaces.SecurityTokenProvider#validateToken(org.picketlink.social.interfaces.ProtocolContext) */ public void validateToken(ProtocolContext context) throws ProcessingException { Modified: social/trunk/openid/src/main/java/org/picketlink/social/openid/providers/helpers/OpenIDProtocolContext.java =================================================================== --- social/trunk/openid/src/main/java/org/picketlink/social/openid/providers/helpers/OpenIDProtocolContext.java 2011-06-13 18:25:32 UTC (rev 985) +++ social/trunk/openid/src/main/java/org/picketlink/social/openid/providers/helpers/OpenIDProtocolContext.java 2011-06-13 18:36:40 UTC (rev 986) @@ -25,8 +25,8 @@ import org.picketlink.identity.federation.core.interfaces.ProtocolContext; import org.picketlink.identity.federation.core.interfaces.SecurityTokenProvider; -import org.picketlink.identity.federation.core.openid.providers.OpenIDTokenProvider; -import org.picketlink.identity.federation.core.openid.providers.helpers.OpenIDProviderManager.OpenIDMessage; +import org.picketlink.social.openid.providers.OpenIDTokenProvider; +import org.picketlink.social.openid.providers.helpers.OpenIDProviderManager.OpenIDMessage; /** * {@code ProtocolContext} for the OpenID Layer Added: social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDConsumerServlet.java =================================================================== --- social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDConsumerServlet.java (rev 0) +++ social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDConsumerServlet.java 2011-06-13 18:36:40 UTC (rev 986) @@ -0,0 +1,100 @@ +/* + * JBoss, Home of Professional Open Source. + * Copyright 2008, Red Hat Middleware LLC, and individual contributors + * as indicated by the @author tags. See the copyright.txt file in the + * distribution for a full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.picketlink.social.openid.servlets; + +import java.io.IOException; + +import javax.servlet.ServletConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.servlet.http.HttpSession; + +import org.picketlink.identity.federation.api.openid.OpenIDManager; +import org.picketlink.identity.federation.api.openid.OpenIDRequest; +import org.picketlink.identity.federation.api.openid.OpenIDManager.OpenIDProviderInformation; +import org.picketlink.identity.federation.api.openid.OpenIDManager.OpenIDProviderList; +import org.picketlink.identity.federation.api.openid.exceptions.OpenIDGeneralException; +import org.picketlink.identity.federation.web.openid.HTTPOpenIDContext; +import org.picketlink.identity.federation.web.openid.HTTPProtocolAdaptor; + +/** + * OpenID Consumer Servlet that gets a post + * request from the main JSP page of the consumer + * web application. + * @author Anil.Saldhana(a)redhat.com + * @since Jul 10, 2009 + */ +public class OpenIDConsumerServlet extends HttpServlet +{ + private static final long serialVersionUID = 1L; + + private transient ServletContext servletContext; + private String returnURL; + + @Override + public void init(ServletConfig config) throws ServletException + { + super.init(config); + this.servletContext = config.getServletContext(); + returnURL = this.servletContext.getInitParameter("returnURL"); + } + + @Override + protected void doPost(HttpServletRequest req, HttpServletResponse resp) + throws ServletException, IOException + { + if(returnURL == null) + returnURL = "http://" + req.getServerName() + ":" + req.getServerPort() + + req.getContextPath() + "/consumer_return.jsp"; + + String userEntry = req.getParameter("openid"); + OpenIDRequest openIDReq = new OpenIDRequest(userEntry); + + HttpSession session = req.getSession(); + OpenIDManager manager = (OpenIDManager) session.getAttribute("openid_manager"); + if(manager == null) + { + manager = new OpenIDManager(openIDReq); + session.setAttribute("openid_manager", manager); + } + manager.setUserString( userEntry ); + + try + { + OpenIDProviderList listOfProviders = manager.discoverProviders(); + HTTPOpenIDContext httpOpenIDCtx = new HTTPOpenIDContext(req,resp, this.servletContext); + httpOpenIDCtx.setReturnURL(returnURL); + + HTTPProtocolAdaptor adapter = new HTTPProtocolAdaptor(httpOpenIDCtx); + OpenIDProviderInformation providerInfo = manager.associate(adapter, listOfProviders); + manager.authenticate(adapter, providerInfo); + } + catch (OpenIDGeneralException e) + { + log("[OpenIDConsumerServlet]Exception in dealing with the provider:",e); + resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); + } + } +} \ No newline at end of file Added: social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDProviderServlet.java =================================================================== --- social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDProviderServlet.java (rev 0) +++ social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDProviderServlet.java 2011-06-13 18:36:40 UTC (rev 986) @@ -0,0 +1,240 @@ +/* + * JBoss, Home of Professional Open Source. + * Copyright 2008, Red Hat Middleware LLC, and individual contributors + * as indicated by the @author tags. See the copyright.txt file in the + * distribution for a full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.picketlink.social.openid.servlets; + +import java.io.IOException; + +import javax.servlet.ServletConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.servlet.http.HttpSession; + +import org.openid4java.message.Parameter; +import org.picketlink.identity.federation.core.exceptions.ProcessingException; +import org.picketlink.identity.federation.core.sts.PicketLinkCoreSTS; +import org.picketlink.social.openid.providers.helpers.OpenIDParameterList; +import org.picketlink.social.openid.providers.helpers.OpenIDProtocolContext; +import org.picketlink.social.openid.providers.helpers.OpenIDProtocolContext.AUTH_HOLDER; +import org.picketlink.social.openid.providers.helpers.OpenIDProtocolContext.MODE; +import org.picketlink.social.openid.providers.helpers.OpenIDProviderManager.OpenIDMessage; + +/** + * Servlet that provides the Provider functionality + * for OpenID + * @author Anil.Saldhana(a)redhat.com + * @since Jul 15, 2009 + */ +public class OpenIDProviderServlet extends HttpServlet +{ + private static final long serialVersionUID = 1L; + private transient ServletContext servletContext = null; + private String securePageName = "securepage.jsp"; + + private transient PicketLinkCoreSTS sts = PicketLinkCoreSTS.instance(); + + @Override + public void init(ServletConfig config) throws ServletException + { + super.init(config); + this.servletContext = config.getServletContext(); + String secpageStr = this.servletContext.getInitParameter("securePage"); + if(secpageStr != null && secpageStr.length() > 0) + securePageName = secpageStr; + + sts.installDefaultConfiguration( ( String[] )null ); + } + + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException + { + doPost(request, response); + } + + @Override + protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException + { + HttpSession session = request.getSession(); + + OpenIDProtocolContext protoCtx = new OpenIDProtocolContext(); + + protoCtx.setEndpoint(request.getScheme() + "://" + + request.getServerName() + ":" + + request.getServerPort() + + request.getContextPath() + + "/provider/"); + + OpenIDParameterList requestp; + + if ("complete".equals(request.getParameter("_action"))) // Completing the authz and authn process by redirecting here + { + requestp=(OpenIDParameterList) session.getAttribute("parameterlist"); // On a redirect from the OP authn & authz sequence + } + else + { + requestp = new OpenIDParameterList(request.getParameterMap()); + Parameter openidIdentity = requestp.getParameter("openid.identity"); + if( openidIdentity != null ) + { + session.setAttribute("openid.identity", openidIdentity.getValue()); + } + else + { + log( "The Parameter openid.identity is null " ); + } + } + + protoCtx.setRequestParameterList( requestp ); + + + String mode = requestp.hasParameter("openid.mode") ? + requestp.getParameterValue("openid.mode") : null; + + OpenIDMessage responsem = null; + String responseText = null; + + log("mode=" + mode + "::ParameterMap:" + requestp); + + if ("associate".equals(mode)) + { + protoCtx.setMode( MODE.ASSOCIATE ); + try + { + sts.issueToken( protoCtx ); + } + catch (ProcessingException e) + { + throw new ServletException( e ); + } + + responsem = protoCtx.getResponseMessage(); + + // --- process an association request --- + responseText = responsem.getResponseText(); + } + else if ("checkid_setup".equals(mode) + || "checkid_immediate".equals(mode)) + { + // interact with the user and obtain data needed to continue + //List userData = userInteraction(requestp); + String userSelectedId = null; + String userSelectedClaimedId = null; + Boolean authenticatedAndApproved = Boolean.FALSE; + + if ((session.getAttribute("authenticatedAndApproved") == null) || + (((Boolean)session.getAttribute("authenticatedAndApproved")) == Boolean.FALSE) ) + { + session.setAttribute("parameterlist", requestp); + response.setContentType("text/html" ); + response.sendRedirect( request.getContextPath() + "/" + this.securePageName); + return; + } + else + { + userSelectedId = (String) session.getAttribute("openid.claimed_id"); + userSelectedClaimedId = (String) session.getAttribute("openid.identity"); + authenticatedAndApproved = (Boolean) session.getAttribute("authenticatedAndApproved"); + // Remove the parameterlist so this provider can accept requests from elsewhere + session.removeAttribute("parameterlist"); + session.setAttribute("authenticatedAndApproved", Boolean.FALSE); // Makes you authorize each and every time + + + //Fallback + if( authenticatedAndApproved == Boolean.TRUE && userSelectedId == null ) + { + userSelectedId = userSelectedClaimedId; + } + if( "checkid_setup".equals(mode) ) + protoCtx.setMode( MODE.CHECK_ID_SETUP ); + else + protoCtx.setMode( MODE.CHECK_ID_IMMEDIATE ); + + protoCtx.setAuthenticationHolder( new AUTH_HOLDER(userSelectedId, + userSelectedClaimedId, authenticatedAndApproved)); + + try + { + // --- process an authentication request --- + sts.issueToken(protoCtx); + } + catch (ProcessingException e) + { + throw new ServletException( e ); + } + + responsem = protoCtx.getResponseMessage(); + + // caller will need to decide which of the following to use: + // - GET HTTP-redirect to the return_to URL + // - HTML FORM Redirection + //responseText = response.wwwFormEncoding(); + if (responsem.isSuccessful()) + { + response.sendRedirect( responsem.getDestinationURL(true)); + return; + } + else + { + responseText="<pre>"+ responsem.getResponseText() +"</pre>"; + } + + } + } + else if ("check_authentication".equals(mode)) + { + try + { + // --- processing a verification request --- + sts.validateToken( protoCtx ); + } + catch (ProcessingException e) + { + throw new ServletException( e ); + } + responsem = protoCtx.getResponseMessage(); + + responseText = responsem.getResponseText(); + } + else + { + protoCtx.setIssueError( Boolean.TRUE ); + protoCtx.setErrorText( "Unknown request" ); + try + { + // --- error response --- + sts.issueToken(protoCtx); + } + catch (ProcessingException e) + { + throw new ServletException( e ); + } + responsem = protoCtx.getResponseMessage(); + + responseText = responsem.getResponseText(); + } + + log( "response="+responseText ); + response.getWriter().write(responseText); + } +} \ No newline at end of file Added: social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDYadisServlet.java =================================================================== --- social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDYadisServlet.java (rev 0) +++ social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/OpenIDYadisServlet.java 2011-06-13 18:36:40 UTC (rev 986) @@ -0,0 +1,122 @@ +/* + * JBoss, Home of Professional Open Source. + * Copyright 2008, Red Hat Middleware LLC, and individual contributors + * as indicated by the @author tags. See the copyright.txt file in the + * distribution for a full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.picketlink.social.openid.servlets; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; + +import javax.servlet.ServletConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +/** + * Servlet used for Yadis Discovery in OpenID + * @author Anil.Saldhana(a)redhat.com + * @since Jul 7, 2009 + */ +public class OpenIDYadisServlet extends HttpServlet +{ + private static final long serialVersionUID = 1L; + + private String yadisResourceFile = "/WEB-INF/openid-yadis.xml"; + private String yadisURL = null; + + private boolean supportHTTP_HEAD = false; //By default, we support GET + + private transient InputStream yadisResourceInputStream = null; + + @Override + public void init(ServletConfig config) throws ServletException + { + super.init(config); + ServletContext context = config.getServletContext(); + + String yadisResourceFileStr = config.getInitParameter("yadisResourceFile"); + if(yadisResourceFileStr != null && yadisResourceFileStr.length() > 0) + yadisResourceFile = yadisResourceFileStr; + log("yadisResourceFile Location="+ yadisResourceFile); + + yadisURL = config.getInitParameter("yadisResourceURL"); + + if(yadisURL == null || yadisURL.length() == 0) + { + yadisResourceInputStream = context.getResourceAsStream(yadisResourceFile); + if(yadisResourceInputStream == null) + throw new RuntimeException("yadisResourceFile is missing"); + } + + String supportHead = config.getInitParameter("support_HTTP_HEAD"); + if(supportHead != null && supportHead.length() > 0) + supportHTTP_HEAD = Boolean.parseBoolean(supportHead); + } + + + @Override + protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException + { + if(this.supportHTTP_HEAD) + { + log("GET not supported as HTTP HEAD has been configured"); + resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED); + return; + } + else + { + if(yadisResourceInputStream == null) + { + log("ERROR::yadisResourceInputStream is null"); + resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); + return; + } + + byte[] barr = new byte[1024]; + for (int i = 0; i < barr.length; i++) + { + int b = yadisResourceInputStream.read( ); + if (b == -1) break; + barr[i] = (byte) b; + } + + resp.setContentType("application/xrds+xml"); + resp.setStatus(HttpServletResponse.SC_OK); + OutputStream os = resp.getOutputStream(); + os.write(barr); + os.flush(); + os.close(); + } + } + + @Override + protected void doHead(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException + { + if(this.supportHTTP_HEAD) + { + resp.addHeader("X-XRDS-Location", yadisURL); + } + resp.setStatus(HttpServletResponse.SC_OK); + return; + } +} \ No newline at end of file Added: social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/SecurityActions.java =================================================================== --- social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/SecurityActions.java (rev 0) +++ social/trunk/openid/src/main/java/org/picketlink/social/openid/servlets/SecurityActions.java 2011-06-13 18:36:40 UTC (rev 986) @@ -0,0 +1,48 @@ +/* + * JBoss, Home of Professional Open Source. + * Copyright 2008, Red Hat Middleware LLC, and individual contributors + * as indicated by the @author tags. See the copyright.txt file in the + * distribution for a full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.picketlink.social.openid.servlets; + +import java.security.AccessController; +import java.security.PrivilegedAction; + +/** + * Privileged Blocks + * @author Anil.Saldhana(a)redhat.com + * @since Dec 9, 2008 + */ +class SecurityActions +{ + /** + * Get the Thread Context ClassLoader + * @return + */ + static ClassLoader getContextClassLoader() + { + return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() + { + public ClassLoader run() + { + return Thread.currentThread().getContextClassLoader(); + } + }); + } +}