Authentication Basic 로 인증되는 서버에서 제공하는 API를 이용 하는 중 Spring RestTemplate 활용 방법


[환경]

Spring-4.1.6

HttpClient-4.3.5


1. 호출 URL 에서 인증 하는 방법

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Map<String, Object> resultMap = ezRestTemplate.get("http://admin:1234@localhost:12345/api/overview", HashMap.class);



2. 설정 부분에서 인증 하는 방법

[설정]

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import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
 
import javax.net.ssl.SSLContext;
 
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ssl.AllowAllHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContexts;
import org.apache.http.conn.ssl.TrustSelfSignedStrategy;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.HttpClientBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportResource;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;
 
import pe.kr.ddakker.framework.support.wrapper.http.EzRestTemplate;
 
@ImportResource("classpath:config/spring/context-*.xml")
@Configuration
public class ApplicationContext {
     
    @Bean(name = "ezRestTemplate")
    public EzRestTemplate getEzRestTemplate() throws KeyManagementException, NoSuchAlgorithmException, KeyStoreException {
        SSLContext sslContext = SSLContexts.custom().loadTrustMaterial(null, new TrustSelfSignedStrategy()).useTLS().build();
        SSLConnectionSocketFactory connectionFactory = new SSLConnectionSocketFactory(sslContext, new AllowAllHostnameVerifier());
        BasicCredentialsProvider credentialsProvider = new BasicCredentialsProvider();
 
 
        credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials("admin", "1234"));
          
        HttpClient httpClient = HttpClientBuilder.create()
                                                .setSSLSocketFactory(connectionFactory)
                                                .setDefaultCredentialsProvider(credentialsProvider)
                                                .build();
          
        ClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory(httpClient);
                 
        return new EzRestTemplate(new RestTemplate(requestFactory));
    }
}


[사용]

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// EzRestTemplate 는 RestTemplate 감쌓놓은 Wrapper Class임.
@Resource EzRestTemplate    ezRestTemplate;
 
Map<String, Object> resultMap = ezRestTemplate.get("http://localhost:12345/api/overview", HashMap.class);
System.out.println("resultMap: " + resultMap);


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