diff options
Diffstat (limited to 'search-data-service/src/main/java/org/onap/aai/sa/rest/DocumentApi.java')
| -rw-r--r-- | search-data-service/src/main/java/org/onap/aai/sa/rest/DocumentApi.java | 599 |
1 files changed, 599 insertions, 0 deletions
diff --git a/search-data-service/src/main/java/org/onap/aai/sa/rest/DocumentApi.java b/search-data-service/src/main/java/org/onap/aai/sa/rest/DocumentApi.java new file mode 100644 index 0000000..da8be98 --- /dev/null +++ b/search-data-service/src/main/java/org/onap/aai/sa/rest/DocumentApi.java @@ -0,0 +1,599 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. + * Copyright © 2017-2018 Amdocs + * ================================================================================ + * 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.aai.sa.rest; + +import com.fasterxml.jackson.annotation.JsonInclude.Include; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import org.onap.aai.cl.api.LogFields; +import org.onap.aai.cl.api.LogLine; +import org.onap.aai.cl.api.Logger; +import org.onap.aai.cl.eelf.LoggerFactory; +import org.onap.aai.sa.searchdbabstraction.elasticsearch.dao.DocumentStoreDataEntityImpl; +import org.onap.aai.sa.searchdbabstraction.elasticsearch.dao.DocumentStoreInterface; +import org.onap.aai.sa.searchdbabstraction.entity.AggregationResults; +import org.onap.aai.sa.searchdbabstraction.entity.DocumentOperationResult; +import org.onap.aai.sa.searchdbabstraction.entity.SearchOperationResult; +import org.onap.aai.sa.searchdbabstraction.logging.SearchDbMsgs; +import org.onap.aai.sa.searchdbabstraction.searchapi.SearchStatement; +import org.onap.aai.sa.searchdbabstraction.searchapi.SuggestionStatement; +import org.springframework.http.HttpHeaders; +import org.springframework.http.HttpStatus; +import org.springframework.http.MediaType; +import org.springframework.http.ResponseEntity; + +public class DocumentApi { + private static final String MSG_REQUEST_BODY = "Request Body: "; + private static final String REQUEST_HEADER_RESOURCE_VERSION = "If-Match"; + private static final String RESPONSE_HEADER_RESOURCE_VERSION = "ETag"; + private static final String REQUEST_HEADER_ALLOW_IMPLICIT_INDEX_CREATION = "X-CreateIndex"; + + protected SearchServiceApi searchService = null; + + private Logger logger = LoggerFactory.getInstance().getLogger(DocumentApi.class.getName()); + private Logger auditLogger = LoggerFactory.getInstance().getAuditLogger(DocumentApi.class.getName()); + + public DocumentApi(SearchServiceApi searchService) { + this.searchService = searchService; + } + + public ResponseEntity<String> processPost(String content, HttpServletRequest request, HttpHeaders headers, + HttpServletResponse httpResponse, String index, DocumentStoreInterface documentStore) { + + // Initialize the MDC Context for logging purposes. + ApiUtils.initMdcContext(request, headers); + + try { + ObjectMapper mapper = new ObjectMapper(); + mapper.setSerializationInclusion(Include.NON_EMPTY); + if (content == null) { + return handleError(request, content, HttpStatus.BAD_REQUEST); + } + + boolean isValid; + try { + isValid = searchService.validateRequest(headers, request, ApiUtils.Action.POST, + ApiUtils.SEARCH_AUTH_POLICY_NAME); + } catch (Exception e) { + logger.info(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "DocumentApi.processPost", e.getMessage()); + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + if (!isValid) { + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + DocumentStoreDataEntityImpl document = new DocumentStoreDataEntityImpl(); + document.setContent(content); + + DocumentOperationResult result = + documentStore.createDocument(index, document, implicitlyCreateIndex(headers)); + String output = null; + if (ApiUtils.isSuccessStatusCode(result.getResultCode())) { + output = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getDocument()); + } else { + output = result.getError() != null + ? mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getError()) + : result.getFailureCause(); + } + + if (httpResponse != null) { + httpResponse.setHeader(RESPONSE_HEADER_RESOURCE_VERSION, result.getResultVersion()); + } + ResponseEntity<String> response = + ResponseEntity.status(result.getResultCode()).contentType(MediaType.APPLICATION_JSON).body(output); + logResult(request, HttpStatus.valueOf(response.getStatusCodeValue())); + logResult(request, HttpStatus.valueOf(response.getStatusCodeValue())); + + // Clear the MDC context so that no other transaction inadvertently + // uses our transaction id. + ApiUtils.clearMdcContext(); + + return response; + } catch (Exception e) { + return handleError(request, e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR); + } + } + + public ResponseEntity<String> processPut(String content, HttpServletRequest request, HttpHeaders headers, + HttpServletResponse httpResponse, String index, String id, DocumentStoreInterface documentStore) { + + // Initialize the MDC Context for logging purposes. + ApiUtils.initMdcContext(request, headers); + + try { + ObjectMapper mapper = new ObjectMapper(); + mapper.setSerializationInclusion(Include.NON_EMPTY); + if (content == null) { + return handleError(request, content, HttpStatus.BAD_REQUEST); + } + + boolean isValid; + try { + isValid = searchService.validateRequest(headers, request, ApiUtils.Action.PUT, + ApiUtils.SEARCH_AUTH_POLICY_NAME); + } catch (Exception e) { + logger.info(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "DocumentApi.processPut", e.getMessage()); + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + if (!isValid) { + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + String resourceVersion = headers.getFirst(REQUEST_HEADER_RESOURCE_VERSION); + + DocumentStoreDataEntityImpl document = new DocumentStoreDataEntityImpl(); + document.setId(id); + document.setContent(content); + document.setVersion(resourceVersion); + + DocumentOperationResult result = null; + if (resourceVersion == null) { + result = documentStore.createDocument(index, document, implicitlyCreateIndex(headers)); + } else { + result = documentStore.updateDocument(index, document, implicitlyCreateIndex(headers)); + } + + String output = null; + if (ApiUtils.isSuccessStatusCode(result.getResultCode())) { + output = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getDocument()); + } else { + output = result.getError() != null + ? mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getError()) + : result.getFailureCause(); + } + if (httpResponse != null) { + httpResponse.setHeader(RESPONSE_HEADER_RESOURCE_VERSION, result.getResultVersion()); + } + ResponseEntity<String> response = + ResponseEntity.status(result.getResultCode()).contentType(MediaType.APPLICATION_JSON).body(output); + logResult(request, HttpStatus.valueOf(response.getStatusCodeValue())); + + // Clear the MDC context so that no other transaction inadvertently + // uses our transaction id. + ApiUtils.clearMdcContext(); + + return response; + } catch (Exception e) { + return handleError(request, e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR); + } + } + + public ResponseEntity<String> processDelete(String content, HttpServletRequest request, HttpHeaders headers, + HttpServletResponse httpResponse, String index, String id, DocumentStoreInterface documentStore) { + + // Initialize the MDC Context for logging purposes. + ApiUtils.initMdcContext(request, headers); + + try { + ObjectMapper mapper = new ObjectMapper(); + mapper.setSerializationInclusion(Include.NON_EMPTY); + boolean isValid; + try { + isValid = searchService.validateRequest(headers, request, ApiUtils.Action.DELETE, + ApiUtils.SEARCH_AUTH_POLICY_NAME); + } catch (Exception e) { + logger.info(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "DocumentApi.processDelete", e.getMessage()); + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + if (!isValid) { + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + String resourceVersion = headers.getFirst(REQUEST_HEADER_RESOURCE_VERSION); + if (resourceVersion == null || resourceVersion.isEmpty()) { + return handleError(request, "Request header 'If-Match' missing", HttpStatus.BAD_REQUEST); + } + + DocumentStoreDataEntityImpl document = new DocumentStoreDataEntityImpl(); + document.setId(id); + document.setVersion(resourceVersion); + + DocumentOperationResult result = documentStore.deleteDocument(index, document); + String output = null; + if (ApiUtils.isSuccessStatusCode(result.getResultCode())) { + output = result.getError() != null + ? mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getError()) + : result.getFailureCause(); + } + + if (httpResponse != null) { + httpResponse.setHeader(RESPONSE_HEADER_RESOURCE_VERSION, result.getResultVersion()); + } + ResponseEntity<String> response; + if (output == null) { + response = ResponseEntity.status(result.getResultCode()).build(); + } else { + response = ResponseEntity.status(result.getResultCode()).contentType(MediaType.APPLICATION_JSON) + .body(output); + } + + logResult(request, HttpStatus.valueOf(response.getStatusCodeValue())); + + // Clear the MDC context so that no other transaction inadvertently + // uses our transaction id. + ApiUtils.clearMdcContext(); + + return response; + } catch (Exception e) { + return handleError(request, e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR); + } + } + + public ResponseEntity<String> processGet(String content, HttpServletRequest request, HttpHeaders headers, + HttpServletResponse httpResponse, String index, String id, DocumentStoreInterface documentStore) { + + // Initialize the MDC Context for logging purposes. + ApiUtils.initMdcContext(request, headers); + + try { + ObjectMapper mapper = new ObjectMapper(); + mapper.setSerializationInclusion(Include.NON_EMPTY); + boolean isValid; + try { + isValid = searchService.validateRequest(headers, request, ApiUtils.Action.GET, + ApiUtils.SEARCH_AUTH_POLICY_NAME); + } catch (Exception e) { + logger.info(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "DocumentApi.processGet", e.getMessage()); + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + if (!isValid) { + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + String resourceVersion = headers.getFirst(REQUEST_HEADER_RESOURCE_VERSION); + + DocumentStoreDataEntityImpl document = new DocumentStoreDataEntityImpl(); + document.setId(id); + document.setVersion(resourceVersion); + + DocumentOperationResult result = documentStore.getDocument(index, document); + String output = null; + if (ApiUtils.isSuccessStatusCode(result.getResultCode())) { + output = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getDocument()); + } else { + output = result.getError() != null + ? mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getError()) + : result.getFailureCause(); + } + if (httpResponse != null) { + httpResponse.setHeader(RESPONSE_HEADER_RESOURCE_VERSION, result.getResultVersion()); + } + ResponseEntity<String> response = + ResponseEntity.status(result.getResultCode()).contentType(MediaType.APPLICATION_JSON).body(output); + logResult(request, HttpStatus.valueOf(response.getStatusCodeValue())); + + // Clear the MDC context so that no other transaction inadvertently + // uses our transaction id. + ApiUtils.clearMdcContext(); + + return response; + } catch (Exception e) { + return handleError(request, e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR); + } + } + + public ResponseEntity<String> processSearchWithGet(String content, HttpServletRequest request, HttpHeaders headers, + String index, String queryText, DocumentStoreInterface documentStore) { + + // Initialize the MDC Context for logging purposes. + ApiUtils.initMdcContext(request, headers); + + try { + ObjectMapper mapper = new ObjectMapper(); + mapper.setSerializationInclusion(Include.NON_EMPTY); + + boolean isValid; + try { + isValid = searchService.validateRequest(headers, request, ApiUtils.Action.GET, + ApiUtils.SEARCH_AUTH_POLICY_NAME); + } catch (Exception e) { + logger.info(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "processSearchWithGet", e.getMessage()); + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + if (!isValid) { + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + SearchOperationResult result = documentStore.search(index, queryText); + String output = null; + if (ApiUtils.isSuccessStatusCode(result.getResultCode())) { + output = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getSearchResult()); + } else { + output = result.getError() != null + ? mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getError()) + : result.getFailureCause(); + } + ResponseEntity<String> response = + ResponseEntity.status(result.getResultCode()).contentType(MediaType.APPLICATION_JSON).body(output); + + // Clear the MDC context so that no other transaction inadvertently + // uses our transaction id. + ApiUtils.clearMdcContext(); + + return response; + } catch (Exception e) { + return handleError(request, e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR); + } + } + + public ResponseEntity<String> queryWithGetWithPayload(String content, HttpServletRequest request, + HttpHeaders headers, String index, DocumentStoreInterface documentStore) { + + // Initialize the MDC Context for logging purposes. + ApiUtils.initMdcContext(request, headers); + + logger.info(SearchDbMsgs.PROCESS_PAYLOAD_QUERY, "GET", + (request != null) ? request.getRequestURL().toString() : ""); + if (logger.isDebugEnabled()) { + logger.debug(MSG_REQUEST_BODY + content); + } + return processQuery(index, content, request, headers, documentStore); + } + + public ResponseEntity<String> processSearchWithPost(String content, HttpServletRequest request, HttpHeaders headers, + String index, DocumentStoreInterface documentStore) { + + // Initialize the MDC Context for logging purposes. + ApiUtils.initMdcContext(request, headers); + + logger.info(SearchDbMsgs.PROCESS_PAYLOAD_QUERY, "POST", + (request != null) ? request.getRequestURL().toString() : ""); + if (logger.isDebugEnabled()) { + logger.debug(MSG_REQUEST_BODY + content); + } + + return processQuery(index, content, request, headers, documentStore); + } + + + public ResponseEntity<String> processSuggestQueryWithPost(String content, HttpServletRequest request, + HttpHeaders headers, String index, DocumentStoreInterface documentStore) { + + // Initialize the MDC Context for logging purposes. + ApiUtils.initMdcContext(request, headers); + + logger.info(SearchDbMsgs.PROCESS_PAYLOAD_QUERY, "POST", + (request != null) ? request.getRequestURL().toString() : ""); + if (logger.isDebugEnabled()) { + logger.debug(MSG_REQUEST_BODY + content); + } + + return processSuggestQuery(index, content, request, headers, documentStore); + } + + /** + * Common handler for query requests. This is called by both the GET with payload and POST with payload variants of + * the query endpoint. + * + * @param index - The index to be queried against. + * @param content - The payload containing the query structure. + * @param request - The HTTP request. + * @param headers - The HTTP headers. + * @return - A standard HTTP response. + */ + private ResponseEntity<String> processQuery(String index, String content, HttpServletRequest request, + HttpHeaders headers, DocumentStoreInterface documentStore) { + + try { + ObjectMapper mapper = new ObjectMapper(); + mapper.setSerializationInclusion(Include.NON_EMPTY); + + // Make sure that we were supplied a payload before proceeding. + if (content == null) { + return handleError(request, content, HttpStatus.BAD_REQUEST); + } + + // Validate that the request has the appropriate authorization. + boolean isValid; + try { + isValid = searchService.validateRequest(headers, request, ApiUtils.Action.POST, + ApiUtils.SEARCH_AUTH_POLICY_NAME); + + } catch (Exception e) { + logger.info(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "processQuery", e.getMessage()); + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + if (!isValid) { + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + SearchStatement searchStatement; + + try { + // Marshall the supplied request payload into a search statement + // object. + searchStatement = mapper.readValue(content, SearchStatement.class); + + } catch (Exception e) { + return handleError(request, e.getMessage(), HttpStatus.BAD_REQUEST); + } + + // Now, submit the search statement, translated into + // ElasticSearch syntax, to the document store DAO. + SearchOperationResult result = documentStore.searchWithPayload(index, searchStatement.toElasticSearch()); + String output = null; + if (ApiUtils.isSuccessStatusCode(result.getResultCode())) { + output = prepareOutput(mapper, result); + } else { + output = result.getError() != null + ? mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getError()) + : result.getFailureCause(); + } + ResponseEntity<String> response = + ResponseEntity.status(result.getResultCode()).contentType(MediaType.APPLICATION_JSON).body(output); + + // Clear the MDC context so that no other transaction inadvertently + // uses our transaction id. + ApiUtils.clearMdcContext(); + + return response; + + } catch (Exception e) { + return handleError(request, e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR); + } + } + + + /** + * Common handler for query requests. This is called by both the GET with payload and POST with payload variants of + * the query endpoint. + * + * @param index - The index to be queried against. + * @param content - The payload containing the query structure. + * @param request - The HTTP request. + * @param headers - The HTTP headers. + * @return - A standard HTTP response. + */ + private ResponseEntity<String> processSuggestQuery(String index, String content, HttpServletRequest request, + HttpHeaders headers, DocumentStoreInterface documentStore) { + + try { + ObjectMapper mapper = new ObjectMapper(); + mapper.setSerializationInclusion(Include.NON_EMPTY); + + // Make sure that we were supplied a payload before proceeding. + if (content == null) { + return handleError(request, content, HttpStatus.BAD_REQUEST); + } + + // Validate that the request has the appropriate authorization. + boolean isValid; + try { + isValid = searchService.validateRequest(headers, request, ApiUtils.Action.POST, + ApiUtils.SEARCH_AUTH_POLICY_NAME); + + } catch (Exception e) { + logger.info(SearchDbMsgs.EXCEPTION_DURING_METHOD_CALL, "processQuery", e.getMessage()); + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + if (!isValid) { + return handleError(request, content, HttpStatus.FORBIDDEN); + } + + SuggestionStatement suggestionStatement; + + try { + // Marshall the supplied request payload into a search statement + // object. + suggestionStatement = mapper.readValue(content, SuggestionStatement.class); + + } catch (Exception e) { + return handleError(request, e.getMessage(), HttpStatus.BAD_REQUEST); + } + + // Now, submit the search statement, translated into + // ElasticSearch syntax, to the document store DAO. + SearchOperationResult result = + documentStore.suggestionQueryWithPayload(index, suggestionStatement.toElasticSearch()); + String output = null; + if (ApiUtils.isSuccessStatusCode(result.getResultCode())) { + output = prepareSuggestOutput(mapper, result); + } else { + output = result.getError() != null + ? mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getError()) + : result.getFailureCause(); + } + ResponseEntity<String> response = ResponseEntity.status(result.getResultCode()).body(output); + + // Clear the MDC context so that no other transaction inadvertently + // uses our transaction id. + ApiUtils.clearMdcContext(); + + return response; + + } catch (Exception e) { + return handleError(request, e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR); + } + } + + /** + * Checks the supplied HTTP headers to see if we should allow the underlying document store to implicitly create the + * index referenced in a document PUT or POST if it does not already exist in the data store. + * + * @param headers - The HTTP headers to examine. + * + * @return - true if the headers indicate that missing indices should be implicitly created, false otherwise. + */ + private boolean implicitlyCreateIndex(HttpHeaders headers) { + String implicitIndexCreationHeader = headers.getFirst(REQUEST_HEADER_ALLOW_IMPLICIT_INDEX_CREATION); + return implicitIndexCreationHeader != null && "true".equals(implicitIndexCreationHeader); + } + + private String prepareOutput(ObjectMapper mapper, SearchOperationResult result) throws JsonProcessingException { + StringBuffer output = new StringBuffer(); + output.append("{\r\n\"searchResult\":"); + output.append(mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getSearchResult())); + AggregationResults aggs = result.getAggregationResult(); + if (aggs != null) { + output.append(",\r\n\"aggregationResult\":"); + output.append(mapper.setSerializationInclusion(Include.NON_NULL).writerWithDefaultPrettyPrinter() + .writeValueAsString(aggs)); + } + output.append("\r\n}"); + return output.toString(); + } + + private String prepareSuggestOutput(ObjectMapper mapper, SearchOperationResult result) + throws JsonProcessingException { + StringBuffer output = new StringBuffer(); + output.append("{\r\n\"searchResult\":"); + output.append(mapper.writerWithDefaultPrettyPrinter().writeValueAsString(result.getSuggestResult())); + AggregationResults aggs = result.getAggregationResult(); + if (aggs != null) { + output.append(",\r\n\"aggregationResult\":"); + output.append(mapper.setSerializationInclusion(Include.NON_NULL).writerWithDefaultPrettyPrinter() + .writeValueAsString(aggs)); + } + output.append("\r\n}"); + return output.toString(); + } + + private ResponseEntity<String> handleError(HttpServletRequest request, String message, HttpStatus status) { + logResult(request, status); + return ResponseEntity.status(status).contentType(MediaType.APPLICATION_JSON).body(message); + } + + void logResult(HttpServletRequest request, HttpStatus status) { + + logger.info(SearchDbMsgs.PROCESS_REST_REQUEST, (request != null) ? request.getMethod() : "", + (request != null) ? request.getRequestURL().toString() : "", + (request != null) ? request.getRemoteHost() : "", Integer.toString(status.value())); + + auditLogger.info(SearchDbMsgs.PROCESS_REST_REQUEST, + new LogFields().setField(LogLine.DefinedFields.RESPONSE_CODE, status.value()) + .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, status.getReasonPhrase()), + (request != null) ? request.getMethod() : "", + (request != null) ? request.getRequestURL().toString() : "", + (request != null) ? request.getRemoteHost() : "", Integer.toString(status.value())); + + // Clear the MDC context so that no other transaction inadvertently uses our transaction id. + ApiUtils.clearMdcContext(); + } +} |