AafPermissionService implementation

[dmaap/dbcapi.git] / src / main / java / org / onap / dmaap / dbcapi / service / AafPermissionService.java

diff --git a/src/main/java/org/onap/dmaap/dbcapi/service/AafPermissionService.java b/src/main/java/org/onap/dmaap/dbcapi/service/AafPermissionService.java
new file mode 100644 (file)
index 0000000..857b695
--- /dev/null
+++ b/src/main/java/org/onap/dmaap/dbcapi/service/AafPermissionService.java
@@ -0,0 +1,133 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dmaap
+ * ================================================================================
+ * Copyright (C) 2019 Nokia 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=========================================================
+ */
+
+package org.onap.dmaap.dbcapi.service;
+
+import org.onap.dmaap.dbcapi.aaf.AafService;
+import org.onap.dmaap.dbcapi.aaf.AafUserRole;
+import org.onap.dmaap.dbcapi.aaf.DmaapGrant;
+import org.onap.dmaap.dbcapi.aaf.DmaapPerm;
+import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
+import org.onap.dmaap.dbcapi.model.ApiError;
+import org.onap.dmaap.dbcapi.model.DmaapObject.DmaapObject_Status;
+import org.onap.dmaap.dbcapi.model.MR_Client;
+
+public class AafPermissionService extends BaseLoggingClass {
+
+    private final AafService aafService;
+    private final DmaapService dmaapService;
+
+    public AafPermissionService() {
+        this(new AafService(AafService.ServiceType.AAF_TopicMgr), new DmaapService());
+    }
+
+    AafPermissionService(AafService aafService, DmaapService dmaapService) {
+        this.aafService = aafService;
+        this.dmaapService = dmaapService;
+    }
+
+    void assignIdentityToRole(MR_Client client, String role, ApiError err) {
+        okStatus(err);
+        AafUserRole ur = new AafUserRole(client.getClientIdentity(), role);
+        client.setStatus(DmaapObject_Status.VALID);
+        int rc = aafService.addUserRole(ur);
+        if (rc != 201 && rc != 409) {
+            client.setStatus(DmaapObject_Status.INVALID);
+            assignClientToRoleError(err, rc, client.getClientIdentity(), role);
+        }
+    }
+
+    void grantClientRolePerms(MR_Client client, ApiError err) {
+
+        okStatus(err);
+        String instance = ":topic." + client.getFqtn();
+        client.setStatus(DmaapObject_Status.VALID);
+
+        for (String action : client.getAction()) {
+            if (client.getClientRole() != null) {
+                int rc = grantPermForClientRole(client.getClientRole(), instance, action);
+                if (rc != 201 && rc != 409) {
+                    client.setStatus(DmaapObject_Status.INVALID);
+                    grantPermsError(err, rc, dmaapService.getTopicPerm(), instance, action, client.getClientRole());
+                }
+
+            } else {
+                logger.warn("No Grant of " + permissionFullName(dmaapService.getTopicPerm(), instance, action) + " because role is null ");
+            }
+        }
+    }
+
+    void revokeClientPerms(MR_Client client, ApiError err) {
+        okStatus(err);
+        String instance = ":topic." + client.getFqtn();
+        client.setStatus(DmaapObject_Status.VALID);
+
+        for (String action : client.getAction()) {
+
+            int rc = revokePermForClientRole(client.getClientRole(), instance, action);
+
+            if (rc != 200 && rc != 404) {
+                client.setStatus(DmaapObject_Status.INVALID);
+                revokePermsError(err, rc, dmaapService.getTopicPerm(), instance, action, client.getClientRole());
+            }
+        }
+
+    }
+
+    private int grantPermForClientRole(String clientRole, String instance, String action) {
+        DmaapPerm perm = new DmaapPerm(dmaapService.getTopicPerm(), instance, action);
+        DmaapGrant g = new DmaapGrant(perm, clientRole);
+        return aafService.addGrant(g);
+    }
+
+    private int revokePermForClientRole(String clientRole, String instance, String action) {
+        DmaapPerm perm = new DmaapPerm(dmaapService.getTopicPerm(), instance, action);
+        DmaapGrant g = new DmaapGrant(perm, clientRole);
+        return aafService.delGrant(g);
+    }
+
+    private void assignClientToRoleError(ApiError err, int code, String clientIdentity, String role) {
+        err.setCode(code);
+        err.setMessage("Failed to add user " + clientIdentity + "  to " + role);
+        logger.warn(err.getMessage());
+    }
+
+    private void grantPermsError(ApiError err, int code, String permission, String instance, String action, String role) {
+        err.setCode(code);
+        err.setMessage("Grant of " + permissionFullName(permission, instance, action) + " failed for " + role);
+        logger.warn(err.getMessage());
+    }
+
+    private void revokePermsError(ApiError err, int code, String permission, String instance, String action, String role) {
+        err.setCode(code);
+        err.setMessage("Revoke of " + permissionFullName(permission, instance, action) + " failed for " + role);
+        logger.warn(err.getMessage());
+    }
+
+    private String permissionFullName(String permission, String instance, String action) {
+        return permission + "|" + instance + "|" + action;
+    }
+
+    private void okStatus(ApiError err) {
+        err.setCode(200);
+        err.setMessage("OK");
+    }
+
+}