1 files changed, 105 insertions, 0 deletions
diff --git a/src/main/java/org/onap/clamp/clds/service/SecureServiceBase.java b/src/main/java/org/onap/clamp/clds/service/SecureServiceBase.java
new file mode 100644
index 00000000..c17af97f
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+++ b/src/main/java/org/onap/clamp/clds/service/SecureServiceBase.java
@@ -0,0 +1,105 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ *                             reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END============================================
+ * ===================================================================
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+
+package org.onap.clamp.clds.service;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.ws.rs.NotAuthorizedException;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.SecurityContext;
+import java.security.Principal;
+
+/**
+ * Base/abstract Service class.
+ * Implements shared security methods.
+ */
+public abstract class SecureServiceBase {
+    private static final Logger logger = LoggerFactory.getLogger(SecureServiceBase.class);
+
+    @Context
+    private SecurityContext securityContext;
+
+    /**
+     * Get the userid
+     *
+     * @return
+     */
+    public String getUserid() {
+        return getPrincipalName();
+    }
+
+    /**
+     * Get the principal name.
+     *
+     * @return
+     */
+    public String getPrincipalName() {
+        Principal p = securityContext.getUserPrincipal();
+        String name = "Not found";
+        if (p != null) {
+            name = p.getName();
+        }
+        logger.debug("userPrincipal.getName()={}", name);
+        return name;
+    }
+
+    /**
+     * Check if user is authorized for the given the permission.
+     * Allow matches if user has a permission with an "*" in permission instance
+     * or permission action even if the permission to check has a specific value
+     * in those fields.  For example:
+     * if the user has this permission: app-perm-type|*|*
+     * it will be authorized if the inPermission to check is: app-perm-type|dev|read
+     *
+     * @param inPermission
+     * @return
+     * @throws NotAuthorizedException
+     */
+    public boolean isAuthorized(SecureServicePermission inPermission) throws NotAuthorizedException {
+        boolean authorized = false;
+        logger.debug("checking if {} has permission: {}", getPrincipalName(), inPermission);
+     // check if the user has the permission key or the permission key with a combination of all instance and/or all action.
+        if (securityContext.isUserInRole(inPermission.getKey())) {
+            logger.info("{} authorized for permission: {}", getPrincipalName(), inPermission.getKey());
+            authorized = true;
+            // the rest of these don't seem to be required - isUserInRole method appears to take * as a wildcard
+        } else if (securityContext.isUserInRole(inPermission.getKeyAllInstance())) {
+            logger.info("{} authorized because user has permission with * for instance: {}", getPrincipalName(), inPermission.getKey());
+            authorized = true;
+        } else if (securityContext.isUserInRole(inPermission.getKeyAllInstanceAction())) {
+            logger.info("{} authorized because user has permission with * for instance and * for action: {}", getPrincipalName(), inPermission.getKey());
+            authorized = true;
+        } else if (securityContext.isUserInRole(inPermission.getKeyAllAction())) {
+            logger.info("{} authorized because user has permission with * for action: {}", getPrincipalName(), inPermission.getKey());
+            authorized = true;
+        } else {
+            String msg = getPrincipalName() + " does not have permission: " + inPermission;
+            logger.warn(msg);
+            throw new NotAuthorizedException(msg);
+        }
+        return authorized;
+    }
+
+}