SSDM-1618 : CKAN - publication web app improvements - anonymous access

SVN: 33714

datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/oaipmh/AnonymousAuthenticationHandler.java

+/*
+ * Copyright 2015 ETH Zuerich, CISD
+ *
+ * Licensed 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 ch.systemsx.cisd.openbis.dss.generic.server.oaipmh;
+
+import java.util.Properties;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import ch.systemsx.cisd.openbis.dss.generic.shared.ServiceProvider;
+import ch.systemsx.cisd.openbis.generic.shared.dto.SessionContextDTO;
+
+/**
+ * @author pkupczyk
+ */
+public class AnonymousAuthenticationHandler implements IAuthenticationHandler
+{
+
+    private static final String PROPERTY_USER = "user";
+
+    private static final String PROPERTY_PASSWORD = "password";
+
+    private String user;
+
+    private String password;
+
+    @Override
+    public void init(Properties properties)
+    {
+        user = (String) properties.get(PROPERTY_USER);
+
+        if (user == null || user.isEmpty())
+        {
+            throw new IllegalArgumentException("'" + PROPERTY_USER + "' cannot be null or empty.");
+        }
+
+        password = (String) properties.get(PROPERTY_PASSWORD);
+    }
+
+    @Override
+    public SessionContextDTO handle(HttpServletRequest request, HttpServletResponse response)
+    {
+        SessionContextDTO session = ServiceProvider.getOpenBISService().tryAuthenticate(user, password);
+
+        if (session != null)
+        {
+            return session;
+        } else
+        {
+            throw new IllegalArgumentException("Incorrect user or password specified in " + getClass().getName()
+                    + " configuration. Please check the plugin.properties.");
+        }
+    }
+
+}