ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/utils/PolicyApiUtils.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP-PDP-REST
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.onap.policy.pdp.rest.api.utils;
  21
  22 import java.io.StringReader;
  23
  24 import javax.json.Json;
  25 import javax.json.JsonArray;
  26 import javax.json.JsonException;
  27 import javax.json.JsonObject;
  28 import javax.json.JsonReader;
  29 import javax.json.stream.JsonParsingException;
  30
  31 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  32 import org.onap.policy.common.logging.flexlogger.Logger;
  33 import org.onap.policy.utils.PolicyUtils;
  34 import org.onap.policy.xacml.api.XACMLErrorConstants;
  35
  36 import com.google.common.base.CharMatcher;
  37
  38 public class PolicyApiUtils {
  39     private static Logger LOGGER = FlexLogger.getLogger(PolicyApiUtils.class
  40             .getName());
  41     private static final String SUCCESS = "success";
  42
  43
  44     public static Boolean validateNONASCIICharactersAndAllowSpaces(
  45             String jsonString) {
  46         Boolean isValidForm = false;
  47         if (jsonString.isEmpty()) {
  48             LOGGER.error("The Value is empty.");
  49             return false;
  50         } else {
  51             if (CharMatcher.ASCII.matchesAllOf((CharSequence) jsonString)) {
  52                 LOGGER.info("The Value does not contain ASCII Characters");
  53                 isValidForm = true;
  54             } else {
  55                 LOGGER.error("The Value Contains Non ASCII Characters");
  56                 isValidForm = false;
  57             }
  58         }
  59         return isValidForm;
  60     }
  61
  62     public static boolean isNumeric(String str) {
  63         for (char c : str.toCharArray()) {
  64             if (!Character.isDigit(c))
  65                 return false;
  66         }
  67         return true;
  68     }
  69
  70     public static JsonObject stringToJsonObject(String value)
  71             throws JsonException, JsonParsingException, IllegalStateException {
  72         JsonReader jsonReader = Json.createReader(new StringReader(value));
  73         JsonObject object = jsonReader.readObject();
  74         jsonReader.close();
  75         return object;
  76     }
  77
  78     public static String validateDictionaryJsonFields(JsonObject json, String dictionary) {
  79
  80         LOGGER.info("Validating DictionaryJsonField values");
  81         String message;
  82
  83         if("Action".equals(dictionary.trim())){
  84                 if(json.containsKey("attributeName")){
  85                         if(json.getString("attributeName")==null || json.getString("attributeName").trim().isEmpty()){
  86                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Attribute Name provided.";
  87                                 return message;
  88                         }
  89                         if(!SUCCESS.equals(PolicyUtils.policySpecialCharValidator(json.getString("attributeName").trim()))){
  90                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Invalid Attribute Name value.";
  91                                 return message;
  92                         }
  93                 }else{
  94                         message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Missing attributeName key in the dictionaryJson parameter.";
  95                         return message;
  96                 }
  97                 if(json.containsKey("type")){
  98                         if(json.getString("type")==null || json.getString("type").trim().isEmpty()){
  99                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Type provided.";
 100                                 return message;
 101                         }
 102                         if(!"REST".equals(json.getString("type").trim())){
 103                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Invalid Type value.";
 104                                 return message;
 105                         }
 106                 }else{
 107                         message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Missing type key in the dictionaryJson parameter.";
 108                         return message;
 109                 }
 110                 if(json.containsKey("method")){
 111                         if(json.getString("method")==null || json.getString("method").trim().isEmpty()){
 112                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Method provided.";
 113                                 return message;
 114                         }
 115                         if("GET".equals(json.getString("method").trim())
 116                                         || "PUT".equals(json.getString("method").trim())
 117                                         || "POST".equals(json.getString("method").trim())){
 118
 119                                 message = SUCCESS;
 120
 121                         }else{
 122                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Invalid Method value.";
 123                                 return message;
 124                         }
 125                 }else{
 126                         message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Missing method key in the dictionaryJson parameter.";
 127                         return message;
 128                 }
 129                 if(json.containsKey("url")){
 130                         if(json.getString("url")==null || json.getString("url").trim().isEmpty()){
 131                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No URL provided.";
 132                                 return message;
 133                         }
 134                 }else{
 135                         message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Missing url key in the dictionaryJson parameter.";
 136                         return message;
 137                 }
 138                 if(json.containsKey("body")){
 139                         if(json.getString("body")==null || json.getString("body").trim().isEmpty()){
 140                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Body provided.";
 141                                 return message;
 142                         }
 143                 }else{
 144                         message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Missing body key in the dictionaryJson parameter.";
 145                         return message;
 146                 }
 147                 if(json.containsKey("headers")){
 148                         JsonArray array = json.getJsonArray("headers");
 149
 150                         for (int i = 0;i<array.size(); i++) {
 151                                 JsonObject jsonObj = array.getJsonObject(i);
 152                                 if(jsonObj.containsKey("option")){
 153                                         if(jsonObj.getString("option")==null || jsonObj.getString("option").trim().isEmpty()){
 154                                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Missing required Option value";
 155                                         return message;
 156                                         }
 157                                 }else{
 158                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Missing option key in the headers list of the dictionaryJson parameter.";
 159                                 return message;
 160                                 }
 161
 162                                 if(jsonObj.containsKey("number")){
 163                                         if(jsonObj.getString("number")==null || jsonObj.getString("number").trim().isEmpty()){
 164                                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Missing required Number value";
 165                                         return message;
 166                                         }
 167                                 }else{
 168                                 message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Missing number key in the headers list of the dictionaryJson parameter.";
 169                                 return message;
 170                                 }
 171                         }
 172                 }
 173
 174         }
 175
 176         return SUCCESS;
 177     }
 178 }