readded headerinfo impl.

provider/indexer-aws/src/main/java/org/opengroup/osdu/indexer/aws/util/HeadersInfoAwsImpl.java

+// Copyright © Microsoft Corporation
+//
+// 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.opengroup.osdu.indexer.aws.util;
+
+import lombok.extern.java.Log;
+import org.apache.http.HttpStatus;
+import org.opengroup.osdu.core.api.DpsHeaders;
+import org.opengroup.osdu.is.core.model.SlbHeaders;
+import org.opengroup.osdu.is.core.provider.interfaces.util.IHeadersInfo;
+import org.opengroup.osdu.is.core.util.AppException;
+import org.opengroup.osdu.is.core.util.Preconditions;
+import org.springframework.context.annotation.Primary;
+import org.springframework.context.annotation.Scope;
+import org.springframework.stereotype.Component;
+import org.springframework.web.context.annotation.RequestScope;
+
+import java.util.HashSet;
+import java.util.Map;
+import java.util.stream.Collectors;
+import javax.inject.Inject;
+
+@Primary
+@Log
+@Component
+public class HeadersInfoAwsImpl implements IHeadersInfo {
+
+    @Inject
+    private DpsHeaders headersMap;
+
+
+    private static final HashSet<String> FORBIDDEN_FROM_LOGGING = new HashSet<>();
+    static {
+        FORBIDDEN_FROM_LOGGING.add(DpsHeaders.AUTHORIZATION);
+        FORBIDDEN_FROM_LOGGING.add(DpsHeaders.ON_BEHALF_OF);
+    }
+
+    /**
+     * Get list of current headers
+     * @return DpsHeaders headers
+     */
+    @Override
+    public DpsHeaders getHeaders() {
+        if (headersMap == null) {
+            log.warning("Headers Map DpsHeaders is null");
+            // throw to prevent null reference exception below
+            throw new AppException(HttpStatus.SC_INTERNAL_SERVER_ERROR, "Invalid Headers", "Headers Map DpsHeaders is null");
+        }
+        DpsHeaders headers = this.getCoreServiceHeaders(headersMap.getHeaders());
+        return headers;
+    }
+
+    /**
+     * get current logged in user
+     * @return userEmail
+     */
+    @Override
+    public String getUser() {
+        return getHeaders().getUserEmail();
+    }
+
+    /**
+     * get partition id and fallback to account id
+     * @return Partition ID
+     */
+    @Override
+    public String getPartitionId() {
+        return getHeaders().getPartitionIdWithFallbackToAccountId();
+    }
+
+    /**
+     * get the primary partition id
+     * @return primaryPartitionID
+     */
+    @Override
+    public String getPrimaryPartitionId() {
+        return getHeadersMap().get(SlbHeaders.PRIMARY_PARTITION_ID);
+    }
+
+    /**
+     * get map of the current headers
+     * @return Map<String, String> headers
+     */
+    @Override
+    public Map<String, String> getHeadersMap() {
+        return getHeaders().getHeaders();
+    }
+
+    /**
+     * supplement the DPSHeaders with any specific core service headers
+     * @param input Map<String, String> of core headers
+     * @return DpsHeaders dpsHeaders
+     */
+    @Override
+    public DpsHeaders getCoreServiceHeaders(Map<String, String> input) {
+        Preconditions.checkNotNull(input, "input headers cannot be null");
+
+        DpsHeaders output = DpsHeaders.createFromMap(input);
+
+        return output;
+    }
+
+    /**
+     * create string representing a comma delimited list of the current headers
+     * @return
+     */
+    @Override
+    public String toString() {
+        return this.getHeadersMap().entrySet().stream().filter(map -> !FORBIDDEN_FROM_LOGGING.contains(map.getKey().toLowerCase())).map(Map.Entry::toString).collect(Collectors.joining(" | "));
+    }
+
+}
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