Move RAP specific to subdirectory
[lgpl/argeo-commons.git] / org.argeo.cms.ui.rap / src / org / argeo / cms / web / AbstractCmsEntryPoint.java
diff --git a/org.argeo.cms.ui.rap/src/org/argeo/cms/web/AbstractCmsEntryPoint.java b/org.argeo.cms.ui.rap/src/org/argeo/cms/web/AbstractCmsEntryPoint.java
deleted file mode 100644 (file)
index c20068f..0000000
+++ /dev/null
@@ -1,399 +0,0 @@
-package org.argeo.cms.web;
-
-import static org.argeo.naming.SharedSecret.X_SHARED_SECRET;
-
-import java.io.IOException;
-import java.security.PrivilegedAction;
-import java.util.HashMap;
-import java.util.Map;
-
-import javax.jcr.Node;
-import javax.jcr.PathNotFoundException;
-import javax.jcr.Property;
-import javax.jcr.Repository;
-import javax.jcr.RepositoryException;
-import javax.jcr.Session;
-import javax.jcr.nodetype.NodeType;
-import javax.security.auth.Subject;
-import javax.security.auth.callback.Callback;
-import javax.security.auth.callback.UnsupportedCallbackException;
-import javax.security.auth.login.LoginContext;
-import javax.security.auth.login.LoginException;
-import javax.servlet.http.HttpServletRequest;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.api.NodeConstants;
-import org.argeo.api.cms.CmsView;
-import org.argeo.cms.CmsException;
-import org.argeo.cms.auth.CurrentUser;
-import org.argeo.cms.auth.HttpRequestCallback;
-import org.argeo.cms.auth.HttpRequestCallbackHandler;
-import org.argeo.cms.servlet.ServletHttpRequest;
-import org.argeo.cms.servlet.ServletHttpResponse;
-import org.argeo.cms.swt.CmsStyles;
-import org.argeo.cms.swt.CmsSwtUtils;
-import org.argeo.eclipse.ui.specific.UiContext;
-import org.argeo.jcr.JcrUtils;
-import org.argeo.naming.AuthPassword;
-import org.argeo.naming.SharedSecret;
-import org.eclipse.rap.rwt.RWT;
-import org.eclipse.rap.rwt.application.AbstractEntryPoint;
-import org.eclipse.rap.rwt.client.WebClient;
-import org.eclipse.rap.rwt.client.service.BrowserNavigation;
-import org.eclipse.rap.rwt.client.service.BrowserNavigationEvent;
-import org.eclipse.rap.rwt.client.service.BrowserNavigationListener;
-import org.eclipse.rap.rwt.client.service.JavaScriptExecutor;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Shell;
-
-/** Manages history and navigation */
-@Deprecated
-public abstract class AbstractCmsEntryPoint extends AbstractEntryPoint implements CmsView {
-       private static final long serialVersionUID = 906558779562569784L;
-
-       private final Log log = LogFactory.getLog(AbstractCmsEntryPoint.class);
-
-       // private final Subject subject;
-       private LoginContext loginContext;
-
-       private final Repository repository;
-       private final String workspace;
-       private final String defaultPath;
-       private final Map<String, String> factoryProperties;
-
-       // Current state
-       private Session session;
-       private Node node;
-       private String nodePath;// useful when changing auth
-       private String state;
-       private Throwable exception;
-
-       // Client services
-       private final JavaScriptExecutor jsExecutor;
-       private final BrowserNavigation browserNavigation;
-
-       public AbstractCmsEntryPoint(Repository repository, String workspace, String defaultPath,
-                       Map<String, String> factoryProperties) {
-               this.repository = repository;
-               this.workspace = workspace;
-               this.defaultPath = defaultPath;
-               this.factoryProperties = new HashMap<String, String>(factoryProperties);
-               // subject = new Subject();
-
-               // Initial login
-               LoginContext lc;
-               try {
-                       lc = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER,
-                                       new HttpRequestCallbackHandler(new ServletHttpRequest(UiContext.getHttpRequest()),
-                                                       new ServletHttpResponse(UiContext.getHttpResponse())));
-                       lc.login();
-               } catch (LoginException e) {
-                       try {
-                               lc = new LoginContext(NodeConstants.LOGIN_CONTEXT_ANONYMOUS);
-                               lc.login();
-                       } catch (LoginException e1) {
-                               throw new CmsException("Cannot log in as anonymous", e1);
-                       }
-               }
-               authChange(lc);
-
-               jsExecutor = RWT.getClient().getService(JavaScriptExecutor.class);
-               browserNavigation = RWT.getClient().getService(BrowserNavigation.class);
-               if (browserNavigation != null)
-                       browserNavigation.addBrowserNavigationListener(new CmsNavigationListener());
-       }
-
-       @Override
-       protected Shell createShell(Display display) {
-               Shell shell = super.createShell(display);
-               shell.setData(RWT.CUSTOM_VARIANT, CmsStyles.CMS_SHELL);
-               display.disposeExec(new Runnable() {
-
-                       @Override
-                       public void run() {
-                               if (log.isTraceEnabled())
-                                       log.trace("Logging out " + session);
-                               JcrUtils.logoutQuietly(session);
-                       }
-               });
-               return shell;
-       }
-
-       @Override
-       protected final void createContents(final Composite parent) {
-               // UiContext.setData(CmsView.KEY, this);
-               CmsSwtUtils.registerCmsView(parent.getShell(), this);
-               Subject.doAs(getSubject(), new PrivilegedAction<Void>() {
-                       @Override
-                       public Void run() {
-                               try {
-                                       initUi(parent);
-                               } catch (Exception e) {
-                                       throw new CmsException("Cannot create entrypoint contents", e);
-                               }
-                               return null;
-                       }
-               });
-       }
-
-       /** Create UI */
-       protected abstract void initUi(Composite parent);
-
-       /** Recreate UI after navigation or auth change */
-       protected abstract void refresh();
-
-       /**
-        * The node to return when no node was found (for authenticated users and
-        * anonymous)
-        */
-//     private Node getDefaultNode(Session session) throws RepositoryException {
-//             if (!session.hasPermission(defaultPath, "read")) {
-//                     String userId = session.getUserID();
-//                     if (userId.equals(NodeConstants.ROLE_ANONYMOUS))
-//                             // TODO throw a special exception
-//                             throw new CmsException("Login required");
-//                     else
-//                             throw new CmsException("Unauthorized");
-//             }
-//             return session.getNode(defaultPath);
-//     }
-
-       protected String getBaseTitle() {
-               return factoryProperties.get(WebClient.PAGE_TITLE);
-       }
-
-       public void navigateTo(String state) {
-               exception = null;
-               String title = setState(state);
-               doRefresh();
-               if (browserNavigation != null)
-                       browserNavigation.pushState(state, title);
-       }
-
-       // @Override
-       // public synchronized Subject getSubject() {
-       // return subject;
-       // }
-
-       // @Override
-       // public LoginContext getLoginContext() {
-       // return loginContext;
-       // }
-       protected Subject getSubject() {
-               return loginContext.getSubject();
-       }
-
-       @Override
-       public boolean isAnonymous() {
-               return CurrentUser.isAnonymous(getSubject());
-       }
-
-       @Override
-       public synchronized void logout() {
-               if (loginContext == null)
-                       throw new CmsException("Login context should not be null");
-               try {
-                       CurrentUser.logoutCmsSession(loginContext.getSubject());
-                       loginContext.logout();
-                       LoginContext anonymousLc = new LoginContext(NodeConstants.LOGIN_CONTEXT_ANONYMOUS);
-                       anonymousLc.login();
-                       authChange(anonymousLc);
-               } catch (LoginException e) {
-                       log.error("Cannot logout", e);
-               }
-       }
-
-       @Override
-       public synchronized void authChange(LoginContext lc) {
-               if (lc == null)
-                       throw new CmsException("Login context cannot be null");
-               // logout previous login context
-               if (this.loginContext != null)
-                       try {
-                               this.loginContext.logout();
-                       } catch (LoginException e1) {
-                               log.warn("Could not log out: " + e1);
-                       }
-               this.loginContext = lc;
-               Subject.doAs(getSubject(), new PrivilegedAction<Void>() {
-
-                       @Override
-                       public Void run() {
-                               try {
-                                       JcrUtils.logoutQuietly(session);
-                                       session = repository.login(workspace);
-                                       if (nodePath != null)
-                                               try {
-                                                       node = session.getNode(nodePath);
-                                               } catch (PathNotFoundException e) {
-                                                       navigateTo("~");
-                                               }
-
-                                       // refresh UI
-                                       doRefresh();
-                               } catch (RepositoryException e) {
-                                       throw new CmsException("Cannot perform auth change", e);
-                               }
-                               return null;
-                       }
-
-               });
-       }
-
-       @Override
-       public void exception(final Throwable e) {
-               AbstractCmsEntryPoint.this.exception = e;
-               log.error("Unexpected exception in CMS", e);
-               doRefresh();
-       }
-
-       protected synchronized void doRefresh() {
-               Subject.doAs(getSubject(), new PrivilegedAction<Void>() {
-                       @Override
-                       public Void run() {
-                               refresh();
-                               return null;
-                       }
-               });
-       }
-
-       /** Sets the state of the entry point and retrieve the related JCR node. */
-       protected synchronized String setState(String newState) {
-               String previousState = this.state;
-
-               String newNodePath = null;
-               String prefix = null;
-               this.state = newState;
-               if (newState.equals("~"))
-                       this.state = "";
-
-               try {
-                       int firstSlash = state.indexOf('/');
-                       if (firstSlash == 0) {
-                               newNodePath = state;
-                               prefix = "";
-                       } else if (firstSlash > 0) {
-                               prefix = state.substring(0, firstSlash);
-                               newNodePath = state.substring(firstSlash);
-                       } else {
-                               newNodePath = defaultPath;
-                               prefix = state;
-
-                       }
-
-                       // auth
-                       int colonIndex = prefix.indexOf('$');
-                       if (colonIndex > 0) {
-                               SharedSecret token = new SharedSecret(new AuthPassword(X_SHARED_SECRET + '$' + prefix)) {
-
-                                       @Override
-                                       public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
-                                               super.handle(callbacks);
-                                               // handle HTTP context
-                                               for (Callback callback : callbacks) {
-                                                       if (callback instanceof HttpRequestCallback) {
-                                                               ((HttpRequestCallback) callback)
-                                                                               .setRequest(new ServletHttpRequest(UiContext.getHttpRequest()));
-                                                               ((HttpRequestCallback) callback)
-                                                                               .setResponse(new ServletHttpResponse(UiContext.getHttpResponse()));
-                                                       }
-                                               }
-                                       }
-                               };
-                               LoginContext lc = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, token);
-                               lc.login();
-                               authChange(lc);// sets the node as well
-                               // } else {
-                               // // TODO check consistency
-                               // }
-                       } else {
-                               Node newNode = null;
-                               if (session.nodeExists(newNodePath))
-                                       newNode = session.getNode(newNodePath);
-                               else {
-//                                     throw new CmsException("Data " + newNodePath + " does not exist");
-                                       newNode = null;
-                               }
-                               setNode(newNode);
-                       }
-                       String title = publishMetaData(getNode());
-
-                       if (log.isTraceEnabled())
-                               log.trace("node=" + newNodePath + ", state=" + state + " (prefix=" + prefix + ")");
-
-                       return title;
-               } catch (Exception e) {
-                       log.error("Cannot set state '" + state + "'", e);
-                       if (state.equals("") || newState.equals("~") || newState.equals(previousState))
-                               return "Unrecoverable exception : " + e.getClass().getSimpleName();
-                       if (previousState.equals(""))
-                               previousState = "~";
-                       navigateTo(previousState);
-                       throw new CmsException("Unexpected issue when accessing #" + newState, e);
-               }
-       }
-
-       private String publishMetaData(Node node) throws RepositoryException {
-               // Title
-               String title;
-               if (node != null && node.isNodeType(NodeType.MIX_TITLE) && node.hasProperty(Property.JCR_TITLE))
-                       title = node.getProperty(Property.JCR_TITLE).getString() + " - " + getBaseTitle();
-               else
-                       title = getBaseTitle();
-
-               HttpServletRequest request = UiContext.getHttpRequest();
-               if (request == null)
-                       return null;
-
-               StringBuilder js = new StringBuilder();
-               if (title == null)
-                       title = "";
-               title = title.replace("'", "\\'");// sanitize
-               js.append("document.title = '" + title + "';");
-               jsExecutor.execute(js.toString());
-               return title;
-       }
-
-       // Simply remove some illegal character
-       // private String clean(String stringToClean) {
-       // return stringToClean.replaceAll("'", "").replaceAll("\\n", "")
-       // .replaceAll("\\t", "");
-       // }
-
-       protected synchronized Node getNode() {
-               return node;
-       }
-
-       private synchronized void setNode(Node node) throws RepositoryException {
-               this.node = node;
-               this.nodePath = node == null ? null : node.getPath();
-       }
-
-       protected String getState() {
-               return state;
-       }
-
-       protected Throwable getException() {
-               return exception;
-       }
-
-       protected void resetException() {
-               exception = null;
-       }
-
-       protected Session getSession() {
-               return session;
-       }
-
-       private class CmsNavigationListener implements BrowserNavigationListener {
-               private static final long serialVersionUID = -3591018803430389270L;
-
-               @Override
-               public void navigated(BrowserNavigationEvent event) {
-                       setState(event.getState());
-                       doRefresh();
-               }
-       }
-}
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