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  * SPDX-License-Identifier: Apache-2.0
  17  */
  18
  19 package org.onap.ccsdk.cds.blueprintsprocessor.rest.service
  20
  21 import org.apache.http.message.BasicHeader
  22 import org.onap.ccsdk.cds.blueprintsprocessor.rest.BasicAuthRestClientProperties
  23 import org.springframework.http.HttpHeaders
  24 import org.springframework.http.MediaType
  25 import java.nio.charset.Charset
  26 import java.util.*
  27
  28 class BasicAuthRestClientService(private val restClientProperties: BasicAuthRestClientProperties) :
  29     BlueprintWebClientService {
  30
  31     override fun defaultHeaders(): Map<String, String> {
  32         val encodedCredentials = setBasicAuth(restClientProperties.username, restClientProperties.password)
  33         return mapOf(
  34                 HttpHeaders.CONTENT_TYPE to MediaType.APPLICATION_JSON_VALUE,
  35                 HttpHeaders.ACCEPT to MediaType.APPLICATION_JSON_VALUE,
  36                 HttpHeaders.AUTHORIZATION to "Basic $encodedCredentials")
  37     }
  38
  39     override fun host(uri: String): String {
  40         return restClientProperties.url + uri
  41     }
  42
  43     override fun convertToBasicHeaders(headers: Map<String, String>): Array<BasicHeader> {
  44         val customHeaders: MutableMap<String, String> = headers.toMutableMap()
  45         if (!headers.containsKey(HttpHeaders.AUTHORIZATION)) {
  46             val encodedCredentials = setBasicAuth(restClientProperties.username, restClientProperties.password)
  47             customHeaders[HttpHeaders.AUTHORIZATION] = "Basic $encodedCredentials"
  48         }
  49         return super.convertToBasicHeaders(customHeaders)
  50     }
  51
  52     private fun setBasicAuth(username: String, password: String): String {
  53         val credentialsString = "$username:$password"
  54         return Base64.getEncoder().encodeToString(credentialsString.toByteArray(Charset.defaultCharset()))
  55     }
  56
  57
  58 }