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

   1 /*
   2  * Copyright © 2017-2019 AT&T, Bell Canada, Nordix Foundation
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.ccsdk.cds.blueprintsprocessor.rest.service
  18
  19 import org.apache.http.message.BasicHeader
  20 import org.onap.ccsdk.cds.blueprintsprocessor.rest.BasicAuthRestClientProperties
  21 import org.springframework.http.HttpHeaders
  22 import org.springframework.http.MediaType
  23 import java.nio.charset.Charset
  24 import java.util.*
  25
  26 class BasicAuthRestClientService(private val restClientProperties:
  27                                  BasicAuthRestClientProperties) :
  28     BlueprintWebClientService {
  29
  30     override fun defaultHeaders(): Map<String, String> {
  31
  32         val encodedCredentials = setBasicAuth(restClientProperties.username,
  33             restClientProperties.password)
  34         return mapOf(
  35             HttpHeaders.CONTENT_TYPE to MediaType.APPLICATION_JSON_VALUE,
  36             HttpHeaders.ACCEPT to MediaType.APPLICATION_JSON_VALUE,
  37             HttpHeaders.AUTHORIZATION to "Basic $encodedCredentials")
  38     }
  39
  40     override fun host(uri: String): String {
  41         return restClientProperties.url + uri
  42     }
  43
  44
  45     override fun convertToBasicHeaders(headers: Map<String, String>):
  46         Array<BasicHeader> {
  47         val customHeaders: MutableMap<String, String> = headers.toMutableMap()
  48         //inject additionalHeaders
  49         customHeaders.putAll(verifyAdditionalHeaders(restClientProperties))
  50
  51         if (!headers.containsKey(HttpHeaders.AUTHORIZATION)) {
  52             val encodedCredentials = setBasicAuth(
  53                 restClientProperties.username,
  54                 restClientProperties.password)
  55             customHeaders[HttpHeaders.AUTHORIZATION] =
  56                 "Basic $encodedCredentials"
  57         }
  58         return super.convertToBasicHeaders(customHeaders)
  59     }
  60
  61     private fun setBasicAuth(username: String, password: String): String {
  62         val credentialsString = "$username:$password"
  63         return Base64.getEncoder().encodeToString(
  64             credentialsString.toByteArray(Charset.defaultCharset()))
  65     }
  66
  67 }