gerrit.onap Code Review - ccsdk/cds.git/blob

   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.conn.ssl.NoopHostnameVerifier
  20 import org.apache.http.conn.ssl.SSLConnectionSocketFactory
  21 import org.apache.http.conn.ssl.TrustAllStrategy
  22 import org.apache.http.impl.client.CloseableHttpClient
  23 import org.apache.http.impl.client.HttpClients
  24 import org.apache.http.message.BasicHeader
  25 import org.apache.http.ssl.SSLContextBuilder
  26 import org.onap.ccsdk.cds.blueprintsprocessor.rest.BasicAuthRestClientProperties
  27 import org.onap.ccsdk.cds.blueprintsprocessor.rest.utils.WebClientUtils
  28 import org.springframework.http.HttpHeaders
  29 import org.springframework.http.MediaType
  30 import java.net.URI
  31 import java.nio.charset.Charset
  32 import java.util.Base64
  33
  34 class BasicAuthRestClientService(
  35     private val restClientProperties:
  36         BasicAuthRestClientProperties
  37 ) :
  38     BlueprintWebClientService {
  39
  40     override fun defaultHeaders(): Map<String, String> {
  41
  42         val encodedCredentials = setBasicAuth(
  43             restClientProperties.username,
  44             restClientProperties.password
  45         )
  46         return mapOf(
  47             HttpHeaders.CONTENT_TYPE to MediaType.APPLICATION_JSON_VALUE,
  48             HttpHeaders.ACCEPT to MediaType.APPLICATION_JSON_VALUE,
  49             HttpHeaders.AUTHORIZATION to "Basic $encodedCredentials"
  50         )
  51     }
  52
  53     override fun host(uri: String): String {
  54         val uri: URI = URI.create(restClientProperties.url + uri)
  55         return uri.resolve(uri).toString()
  56     }
  57
  58     override fun httpClient(): CloseableHttpClient {
  59         val sslContext = SSLContextBuilder.create()
  60
  61         sslContext.loadTrustMaterial(TrustAllStrategy.INSTANCE)
  62         val csf = SSLConnectionSocketFactory(sslContext.build(), NoopHostnameVerifier())
  63         return HttpClients.custom()
  64             .addInterceptorFirst(WebClientUtils.logRequest())
  65             .addInterceptorLast(WebClientUtils.logResponse())
  66             .setSSLSocketFactory(csf).build()
  67     }
  68
  69     override fun convertToBasicHeaders(headers: Map<String, String>):
  70         Array<BasicHeader> {
  71             val customHeaders: MutableMap<String, String> = headers.toMutableMap()
  72             // inject additionalHeaders
  73             customHeaders.putAll(verifyAdditionalHeaders(restClientProperties))
  74
  75             if (!headers.containsKey(HttpHeaders.AUTHORIZATION)) {
  76                 val encodedCredentials = setBasicAuth(
  77                     restClientProperties.username,
  78                     restClientProperties.password
  79                 )
  80                 customHeaders[HttpHeaders.AUTHORIZATION] =
  81                     "Basic $encodedCredentials"
  82             }
  83             return super.convertToBasicHeaders(customHeaders)
  84         }
  85
  86     private fun setBasicAuth(username: String, password: String): String {
  87         val credentialsString = "$username:$password"
  88         return Base64.getEncoder().encodeToString(
  89             credentialsString.toByteArray(Charset.defaultCharset())
  90         )
  91     }
  92 }