001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * <a href="mailto:grenard@nuxeo.com">Guillaume Renard</a> 018 * 019 */ 020 021package org.nuxeo.ecm.platform.routing.core.audit.es; 022 023import java.util.ArrayList; 024import java.util.List; 025 026import org.json.JSONArray; 027import org.json.JSONException; 028import org.json.JSONObject; 029import org.nuxeo.ecm.core.api.CoreSession; 030import org.nuxeo.ecm.core.api.NuxeoPrincipal; 031import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 032import org.nuxeo.ecm.platform.routing.api.DocumentRoute; 033import org.nuxeo.ecm.platform.routing.api.DocumentRoutingConstants; 034import org.nuxeo.ecm.platform.routing.api.DocumentRoutingService; 035import org.nuxeo.elasticsearch.ElasticSearchConstants; 036import org.nuxeo.elasticsearch.api.ElasticSearchAdmin; 037import org.nuxeo.elasticsearch.http.readonly.filter.AuditRequestFilter; 038import org.nuxeo.runtime.api.Framework; 039 040/** 041 * Define a elasticsearch passthrough filter for audit_wf index view. Restrict to 'Routing' event category and, if the 042 * user is not an administrator, to the list of workflow model on which the user has the 'Data Visualization' 043 * permission. 044 * 045 * @since 7.4 046 */ 047public class RoutingAuditRequestFilter extends AuditRequestFilter { 048 049 private CoreSession session; 050 051 @Override 052 public void init(CoreSession session, String indices, String types, String rawQuery, String payload) { 053 this.session = session; 054 principal = (NuxeoPrincipal) session.getPrincipal(); 055 ElasticSearchAdmin esa = Framework.getService(ElasticSearchAdmin.class); 056 this.indices = esa.getIndexNameForType(ElasticSearchConstants.ENTRY_TYPE); 057 this.types = ElasticSearchConstants.ENTRY_TYPE; 058 this.rawQuery = rawQuery; 059 this.payload = payload; 060 if (payload == null && !principal.isAdministrator()) { 061 // here we turn the UriSearch query_string into a body search 062 extractPayloadFromQuery(); 063 } 064 } 065 066 @Override 067 public String getPayload() throws JSONException { 068 if (filteredPayload == null) { 069 if (payload.contains("\\")) { 070 // JSONObject removes backslash so we need to hide them 071 payload = payload.replaceAll("\\\\", BACKSLASH_MARKER); 072 } 073 JSONObject payloadJson = new JSONObject(payload); 074 JSONObject query; 075 if (payloadJson.has("query")) { 076 query = payloadJson.getJSONObject("query"); 077 078 payloadJson.remove("query"); 079 } else { 080 query = new JSONObject("{\"match_all\":{}}"); 081 } 082 JSONObject categoryFilter = new JSONObject().put("term", new JSONObject().put( 083 DocumentEventContext.CATEGORY_PROPERTY_KEY, DocumentRoutingConstants.ROUTING_CATEGORY)); 084 085 JSONArray fs = new JSONArray().put(categoryFilter); 086 087 if (!principal.isAdministrator()) { 088 DocumentRoutingService documentRoutingService = Framework.getService(DocumentRoutingService.class); 089 List<DocumentRoute> wfModels = documentRoutingService.getAvailableDocumentRouteModel(session); 090 List<String> modelNames = new ArrayList<String>(); 091 for (DocumentRoute model : wfModels) { 092 if (session.hasPermission(model.getDocument().getRef(), DocumentRoutingConstants.CAN_DATA_VISU)) { 093 modelNames.add(model.getModelName()); 094 } 095 } 096 097 JSONObject wfModelFilter = new JSONObject().put("terms", 098 new JSONObject().put("extended.modelName", modelNames.toArray(new String[modelNames.size()]))); 099 100 fs.put(wfModelFilter); 101 } 102 103 JSONObject filter = new JSONObject().put("bool", new JSONObject().put("must", fs)); 104 105 JSONObject newQuery = new JSONObject().put("filtered", 106 new JSONObject().put("query", query).put("filter", filter)); 107 payloadJson.put("query", newQuery); 108 filteredPayload = payloadJson.toString(); 109 if (filteredPayload.contains(BACKSLASH_MARKER)) { 110 filteredPayload = filteredPayload.replaceAll(BACKSLASH_MARKER, "\\\\"); 111 } 112 113 } 114 return filteredPayload; 115 } 116 117}