1 files changed, 83 insertions, 0 deletions
diff --git a/services/activity-spec/activity-spec-web/activity-spec-service/src/main/java/org/openecomp/activityspec/api/server/filters/ActivitySpecSessionContextFilter.java b/services/activity-spec/activity-spec-web/activity-spec-service/src/main/java/org/openecomp/activityspec/api/server/filters/ActivitySpecSessionContextFilter.java
new file mode 100644
index 0000000000..715d0961e6
--- /dev/null
+++ b/services/activity-spec/activity-spec-web/activity-spec-service/src/main/java/org/openecomp/activityspec/api/server/filters/ActivitySpecSessionContextFilter.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * 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 org.openecomp.activityspec.api.server.filters;
+
+import java.io.IOException;
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response.Status;
+import org.apache.commons.lang.StringUtils;
+import org.openecomp.sdc.common.session.SessionContextProvider;
+import org.openecomp.sdc.common.session.SessionContextProviderFactory;
+
+import static org.openecomp.activityspec.utils.ActivitySpecConstant.TENANT;
+import static org.openecomp.activityspec.utils.ActivitySpecConstant.USER;
+import static org.openecomp.activityspec.utils.ActivitySpecConstant.USER_ID_HEADER_PARAM;
+
+public class ActivitySpecSessionContextFilter implements Filter {
+
+  private static final String MESSAGE_USER_MAY_NOT_BE_NULL = "{\"message\": \"User ID can not be null\"}";
+
+  @Override
+  public void init(FilterConfig filterConfig) {
+    //No ActivitySpec specific initialization required
+  }
+
+  @Override
+  public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
+      FilterChain filterChain) throws IOException, ServletException {
+
+    final String userHeader = ((HttpServletRequest) servletRequest).getHeader(USER_ID_HEADER_PARAM);
+
+    // Not a real security, just make sure the request
+    // has passed some authentication gateway
+    if (StringUtils.isEmpty(userHeader)) {
+      sendErrorResponse(servletResponse);
+      return;
+    }
+
+    SessionContextProvider contextProvider = SessionContextProviderFactory.getInstance().createInterface();
+
+    try {
+      // use the system-wide user and tenant
+      contextProvider.create(USER, TENANT);
+      filterChain.doFilter(servletRequest, servletResponse);
+    } finally {
+      contextProvider.close();
+    }
+  }
+
+  private void sendErrorResponse(ServletResponse servletResponse) throws IOException {
+    HttpServletResponse httpServletResponse = (HttpServletResponse) servletResponse;
+    httpServletResponse.setHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
+    httpServletResponse.setStatus(Status.UNAUTHORIZED.getStatusCode());
+    servletResponse.getOutputStream().write(MESSAGE_USER_MAY_NOT_BE_NULL.getBytes());
+  }
+
+  @Override
+  public void destroy() {
+    //No ActivitySpec specific destroy required
+  }
+}