ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BluePrintRestLibPropertyService.kt

   1 /*
   2  * Copyright © 2017-2019 AT&T, Bell Canada
   3  * Modifications Copyright © 2019 IBM.
   4  * Modifications Copyright © 2019 Huawei.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 package org.onap.ccsdk.cds.blueprintsprocessor.rest.service
  20
  21 import com.fasterxml.jackson.databind.JsonNode
  22 import org.onap.ccsdk.cds.blueprintsprocessor.core.BluePrintPropertiesService
  23 import org.onap.ccsdk.cds.blueprintsprocessor.rest.BasicAuthRestClientProperties
  24 import org.onap.ccsdk.cds.blueprintsprocessor.rest.PolicyManagerRestClientProperties
  25 import org.onap.ccsdk.cds.blueprintsprocessor.rest.RestClientProperties
  26 import org.onap.ccsdk.cds.blueprintsprocessor.rest.RestLibConstants
  27 import org.onap.ccsdk.cds.blueprintsprocessor.rest.SSLBasicAuthRestClientProperties
  28 import org.onap.ccsdk.cds.blueprintsprocessor.rest.SSLRestClientProperties
  29 import org.onap.ccsdk.cds.blueprintsprocessor.rest.SSLTokenAuthRestClientProperties
  30 import org.onap.ccsdk.cds.blueprintsprocessor.rest.TokenAuthRestClientProperties
  31 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  32 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
  33 import org.springframework.stereotype.Service
  34
  35 @Service(RestLibConstants.SERVICE_BLUEPRINT_REST_LIB_PROPERTY)
  36 open class BluePrintRestLibPropertyService(private var bluePrintPropertiesService: BluePrintPropertiesService) {
  37
  38     private var preInterceptor: PreInterceptor? = null
  39     private var postInterceptor: PostInterceptor? = null
  40
  41     fun setInterceptors(preInterceptor: PreInterceptor?, postInterceptor: PostInterceptor?) {
  42         this.preInterceptor = preInterceptor
  43         this.postInterceptor = postInterceptor
  44     }
  45
  46     fun clearInterceptors() {
  47         this.preInterceptor = null
  48         this.postInterceptor = null
  49     }
  50
  51     open fun blueprintWebClientService(jsonNode: JsonNode): BlueprintWebClientService {
  52         val service = preInterceptor?.getInstance(jsonNode)
  53             ?: blueprintWebClientService(restClientProperties(jsonNode))
  54         return postInterceptor?.getInstance(jsonNode, service) ?: service
  55     }
  56
  57     open fun blueprintWebClientService(selector: String): BlueprintWebClientService {
  58         val service = preInterceptor?.getInstance(selector) ?: run {
  59             val prefix = "blueprintsprocessor.restclient.$selector"
  60             val restClientProperties = restClientProperties(prefix)
  61             blueprintWebClientService(restClientProperties)
  62         }
  63         return postInterceptor?.getInstance(selector, service) ?: service
  64     }
  65
  66     fun restClientProperties(prefix: String): RestClientProperties {
  67         val type = bluePrintPropertiesService.propertyBeanType(
  68             "$prefix.type", String::class.java
  69         )
  70         return when (type) {
  71             RestLibConstants.TYPE_BASIC_AUTH -> {
  72                 basicAuthRestClientProperties(prefix)
  73             }
  74             RestLibConstants.TYPE_TOKEN_AUTH -> {
  75                 tokenRestClientProperties(prefix)
  76             }
  77             RestLibConstants.TYPE_SSL_BASIC_AUTH -> {
  78                 sslBasicAuthRestClientProperties(prefix)
  79             }
  80             RestLibConstants.TYPE_SSL_TOKEN_AUTH -> {
  81                 sslTokenAuthRestClientProperties(prefix)
  82             }
  83             RestLibConstants.TYPE_SSL_NO_AUTH -> {
  84                 sslNoAuthRestClientProperties(prefix)
  85             }
  86
  87             RestLibConstants.TYPE_POLICY_MANAGER -> {
  88                 policyManagerRestClientProperties(prefix)
  89             }
  90             else -> {
  91                 throw BluePrintProcessorException(
  92                     "Rest adaptor($type) is" +
  93                         " not supported"
  94                 )
  95             }
  96         }
  97     }
  98
  99     fun restClientProperties(jsonNode: JsonNode): RestClientProperties {
 100
 101         val type = jsonNode.get("type").textValue()
 102         return when (type) {
 103             RestLibConstants.TYPE_TOKEN_AUTH -> {
 104                 JacksonUtils.readValue(jsonNode, TokenAuthRestClientProperties::class.java)!!
 105             }
 106             RestLibConstants.TYPE_BASIC_AUTH -> {
 107                 JacksonUtils.readValue(jsonNode, BasicAuthRestClientProperties::class.java)!!
 108             }
 109
 110             RestLibConstants.TYPE_POLICY_MANAGER -> {
 111                 JacksonUtils.readValue(jsonNode, PolicyManagerRestClientProperties::class.java)!!
 112             }
 113             RestLibConstants.TYPE_SSL_BASIC_AUTH -> {
 114                 JacksonUtils.readValue(jsonNode, SSLBasicAuthRestClientProperties::class.java)!!
 115             }
 116             RestLibConstants.TYPE_SSL_TOKEN_AUTH -> {
 117                 JacksonUtils.readValue(jsonNode, SSLTokenAuthRestClientProperties::class.java)!!
 118             }
 119             RestLibConstants.TYPE_SSL_NO_AUTH -> {
 120                 JacksonUtils.readValue(jsonNode, SSLRestClientProperties::class.java)!!
 121             }
 122             else -> {
 123                 throw BluePrintProcessorException(
 124                     "Rest adaptor($type) is not supported"
 125                 )
 126             }
 127         }
 128     }
 129
 130     private fun blueprintWebClientService(restClientProperties: RestClientProperties):
 131         BlueprintWebClientService {
 132
 133             when (restClientProperties) {
 134                 is SSLRestClientProperties -> {
 135                     return SSLRestClientService(restClientProperties)
 136                 }
 137                 is TokenAuthRestClientProperties -> {
 138                     return TokenAuthRestClientService(restClientProperties)
 139                 }
 140                 is BasicAuthRestClientProperties -> {
 141                     return BasicAuthRestClientService(restClientProperties)
 142                 }
 143                 else -> {
 144                     throw BluePrintProcessorException("couldn't get rest service for type:${restClientProperties.type}  uri: ${restClientProperties.url}")
 145                 }
 146             }
 147         }
 148
 149     private fun tokenRestClientProperties(prefix: String):
 150         TokenAuthRestClientProperties {
 151             return bluePrintPropertiesService.propertyBeanType(
 152                 prefix, TokenAuthRestClientProperties::class.java
 153             )
 154         }
 155
 156     private fun basicAuthRestClientProperties(prefix: String):
 157         BasicAuthRestClientProperties {
 158             return bluePrintPropertiesService.propertyBeanType(
 159                 prefix, BasicAuthRestClientProperties::class.java
 160             )
 161         }
 162
 163     private fun sslBasicAuthRestClientProperties(prefix: String):
 164         SSLRestClientProperties {
 165
 166             val sslProps: SSLBasicAuthRestClientProperties =
 167                 bluePrintPropertiesService.propertyBeanType(
 168                     prefix, SSLBasicAuthRestClientProperties::class.java
 169                 )
 170             val basicProps: BasicAuthRestClientProperties =
 171                 bluePrintPropertiesService.propertyBeanType(
 172                     prefix, BasicAuthRestClientProperties::class.java
 173                 )
 174             sslProps.basicAuth = basicProps
 175             return sslProps
 176         }
 177
 178     private fun sslTokenAuthRestClientProperties(prefix: String):
 179         SSLRestClientProperties {
 180
 181             val sslProps: SSLTokenAuthRestClientProperties =
 182                 bluePrintPropertiesService.propertyBeanType(
 183                     prefix,
 184                     SSLTokenAuthRestClientProperties::class.java
 185                 )
 186             val basicProps: TokenAuthRestClientProperties =
 187                 bluePrintPropertiesService.propertyBeanType(
 188                     prefix,
 189                     TokenAuthRestClientProperties::class.java
 190                 )
 191             sslProps.tokenAuth = basicProps
 192             return sslProps
 193         }
 194
 195     private fun sslNoAuthRestClientProperties(prefix: String):
 196         SSLRestClientProperties {
 197             return bluePrintPropertiesService.propertyBeanType(
 198                 prefix, SSLRestClientProperties::class.java
 199             )
 200         }
 201
 202     private fun policyManagerRestClientProperties(prefix: String):
 203         PolicyManagerRestClientProperties {
 204             return bluePrintPropertiesService.propertyBeanType(
 205                 prefix, PolicyManagerRestClientProperties::class.java
 206             )
 207         }
 208
 209     interface PreInterceptor {
 210
 211         fun getInstance(jsonNode: JsonNode): BlueprintWebClientService?
 212
 213         fun getInstance(selector: String): BlueprintWebClientService?
 214     }
 215
 216     interface PostInterceptor {
 217
 218         fun getInstance(jsonNode: JsonNode, service: BlueprintWebClientService): BlueprintWebClientService
 219
 220         fun getInstance(selector: String, service: BlueprintWebClientService): BlueprintWebClientService
 221     }
 222 }