1 files changed, 117 insertions, 0 deletions
diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/policy/file/AutomationCompositionDecoderFileInCsar.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/policy/file/AutomationCompositionDecoderFileInCsar.java
new file mode 100644
index 00000000..7bfcb0f9
--- /dev/null
+++ b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/decoding/policy/file/AutomationCompositionDecoderFileInCsar.java
@@ -0,0 +1,117 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation.
+ *  Modifications Copyright (C) 2022 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.distribution.reception.decoding.policy.file;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+import org.onap.policy.common.parameters.ParameterService;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.distribution.model.Csar;
+import org.onap.policy.distribution.model.PolicyInput;
+import org.onap.policy.distribution.reception.decoding.PolicyDecoder;
+import org.onap.policy.distribution.reception.decoding.PolicyDecodingException;
+import org.onap.policy.distribution.reception.util.ReceptionUtil;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaEntity;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
+
+/**
+ * This class extracts acm information from a CSAR file.
+ *
+ * @author Sirisha Manchikanti (sirisha.manchikanti@est.tech)
+ */
+public class AutomationCompositionDecoderFileInCsar implements PolicyDecoder<Csar, ToscaEntity> {
+
+    private AutomationCompositionDecoderFileInCsarParameterGroup decoderParameters;
+    private static final String NODE_TYPES = "nodes.yml";
+    private static final String DATA_TYPES = "data.yml";
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public void configure(final String parameterGroupName) {
+        decoderParameters = ParameterService.get(parameterGroupName);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public boolean canHandle(final PolicyInput policyInput) {
+        return policyInput.getClass().isAssignableFrom(Csar.class);
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public Collection<ToscaEntity> decode(final Csar csar) throws PolicyDecodingException {
+        final Collection<ToscaEntity> automationCompositionList = new ArrayList<>();
+        ToscaServiceTemplate nodeTypes = null;
+        ToscaServiceTemplate dataTypes = null;
+
+        try (var zipFile = new ZipFile(csar.getCsarFilePath())) {
+            final Enumeration<? extends ZipEntry> entries = zipFile.entries();
+            while (entries.hasMoreElements()) {
+                //
+                // Sonar will flag this as a Security Hotspot
+                // "Expanding archive files is security-sensitive"
+                // isZipEntryValid ensures the file being read exists in the archive
+                //
+                final ZipEntry entry = entries.nextElement(); // NOSONAR
+                final String entryName = entry.getName();
+
+                // Store node_types
+                if (entryName.contains(NODE_TYPES)) {
+                    nodeTypes = ReceptionUtil.decodeFile(zipFile, entry);
+                }
+
+                // Store data_types
+                if (entryName.contains(DATA_TYPES)) {
+                    dataTypes = ReceptionUtil.decodeFile(zipFile, entry);
+                }
+
+                if (entryName.contains(decoderParameters.getAutomationCompositionType())) {
+                    ReceptionUtil.validateZipEntry(entryName, csar.getCsarFilePath(), entry.getSize());
+                    final ToscaServiceTemplate automationComposition = ReceptionUtil.decodeFile(zipFile, entry);
+                    if (null != automationComposition.getToscaTopologyTemplate()) {
+                        if (null != nodeTypes) {
+                            automationComposition.setNodeTypes(nodeTypes.getNodeTypes());
+                        }
+                        if (null != dataTypes) {
+                            automationComposition.setDataTypes(dataTypes.getDataTypes());
+                        }
+                        automationCompositionList.add(automationComposition);
+                    }
+                }
+            }
+        } catch (final IOException | CoderException exp) {
+            throw new PolicyDecodingException("Failed decoding the acm", exp);
+        }
+
+        return automationCompositionList;
+    }
+}