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From fmesc...@apache.org
Subject svn commit: r1205633 - /sling/trunk/bundles/jcr/resource/src/main/java/org/apache/sling/jcr/resource/internal/WorkspaceAuthInfoPostProcessor.java
Date Wed, 23 Nov 2011 22:16:32 GMT
Author: fmeschbe
Date: Wed Nov 23 22:16:31 2011
New Revision: 1205633

URL: http://svn.apache.org/viewvc?rev=1205633&view=rev
Log:
SLING-2300 AuthenticationInfoPostProcessor to set the user.jcr.workspace property based on
the j_workspace request parameter or attribute to allow users to request logging into a specific
workspace for request processing.

Added:
    sling/trunk/bundles/jcr/resource/src/main/java/org/apache/sling/jcr/resource/internal/WorkspaceAuthInfoPostProcessor.java

Added: sling/trunk/bundles/jcr/resource/src/main/java/org/apache/sling/jcr/resource/internal/WorkspaceAuthInfoPostProcessor.java
URL: http://svn.apache.org/viewvc/sling/trunk/bundles/jcr/resource/src/main/java/org/apache/sling/jcr/resource/internal/WorkspaceAuthInfoPostProcessor.java?rev=1205633&view=auto
==============================================================================
--- sling/trunk/bundles/jcr/resource/src/main/java/org/apache/sling/jcr/resource/internal/WorkspaceAuthInfoPostProcessor.java
(added)
+++ sling/trunk/bundles/jcr/resource/src/main/java/org/apache/sling/jcr/resource/internal/WorkspaceAuthInfoPostProcessor.java
Wed Nov 23 22:16:31 2011
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sling.jcr.resource.internal;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.sling.auth.core.spi.AbstractAuthenticationHandler;
+import org.apache.sling.auth.core.spi.AuthenticationInfo;
+import org.apache.sling.auth.core.spi.AuthenticationInfoPostProcessor;
+import org.apache.sling.jcr.resource.JcrResourceConstants;
+import org.osgi.framework.Constants;
+
+/**
+ * The <code>WorkspaceAuthInfoPostProcessor</code> is a simple
+ * AuthenticationInfo post processor which sets the
+ * {@link JcrResourceConstants#AUTHENTICATION_INFO_WORKSPACE} property (unless
+ * set already) if the {@link #J_WORKSPACE} request attribute or parameter is
+ * set to a non-empty string.
+ * <p>
+ * This allows logging into any workspace for a given request provided the
+ * requested workspace exists.
+ */
+@Component
+@Service
+@Property(name = Constants.SERVICE_DESCRIPTION, value = "JCR Workspace property setter")
+public class WorkspaceAuthInfoPostProcessor implements AuthenticationInfoPostProcessor {
+
+    /**
+     * The name of the request parameter (or request attribute) indicating the
+     * workspace to use.
+     * <p>
+     * The {@link AuthenticationSupport} service implemented by this bundle will
+     * respect this parameter and attribute and ensure the
+     * <code>jcr.user.workspace</code> attribute of the
+     * {@link org.apache.sling.auth.core.spi.AuthenticationInfo} used for
+     * accessing the resource resolver is set to this value (unless the property
+     * has already been set by the
+     * {@link org.apache.sling.auth.core.spi.AuthenticationHandler} providing
+     * the {@link org.apache.sling.auth.core.spi.AuthenticationInfo} instance).
+     */
+    public static final String J_WORKSPACE = "j_workspace";
+
+    /**
+     * Sets the {@link JcrResourceConstants#AUTHENTICATION_INFO_WORKSPACE} if
+     * the {@link #J_WORKSPACE} request parameter or attribute is defined and
+     * the {@link JcrResourceConstants#AUTHENTICATION_INFO_WORKSPACE} does not
+     * exist yet in the authentication info.
+     */
+    public void postProcess(AuthenticationInfo info, HttpServletRequest request, HttpServletResponse
response) {
+        final String workspace = AbstractAuthenticationHandler.getAttributeOrParameter(request,
J_WORKSPACE, "");
+        if (workspace.length() > 0 && !info.containsKey(JcrResourceConstants.AUTHENTICATION_INFO_WORKSPACE))
{
+            info.put(JcrResourceConstants.AUTHENTICATION_INFO_WORKSPACE, workspace);
+        }
+    }
+}



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