105 lines
4.3 KiB
Java
105 lines
4.3 KiB
Java
package eu.dnetlib.repo.manager.service.aai.registry.utils;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonParser;
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import org.apache.commons.codec.binary.Base64;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.http.*;
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import org.springframework.stereotype.Component;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.web.client.RestTemplate;
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import org.springframework.web.util.UriComponents;
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import org.springframework.web.util.UriComponentsBuilder;
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import java.nio.charset.StandardCharsets;
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import java.util.Collections;
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import java.util.Map;
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@Component
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public class HttpUtils {
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private static final Logger logger = LoggerFactory.getLogger(HttpUtils.class);
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@Value("${services.provide.aai.registry.url}")
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private String registryUrl;
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@Value("${services.provide.aai.registry.username}")
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private String user;
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@Value("${services.provide.aai.registry.password}")
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private String password;
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public JsonElement post(String path, JsonObject body) {
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RestTemplate restTemplate = new RestTemplate();
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HttpHeaders headers = createHeaders(user, password);
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headers.setContentType(MediaType.APPLICATION_JSON);
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HttpEntity<String> request = new HttpEntity<>(body.toString(), headers);
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ResponseEntity<String> responseEntity = restTemplate.exchange(registryUrl + path, HttpMethod.POST, request, String.class);
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return getResponseEntityAsJsonElement(responseEntity);
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}
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public JsonElement put(String path, JsonObject body) {
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RestTemplate restTemplate = new RestTemplate();
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HttpHeaders headers = createHeaders(user, password);
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headers.setContentType(MediaType.APPLICATION_JSON);
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HttpEntity<String> request = new HttpEntity<>(body.toString(), headers);
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ResponseEntity<String> responseEntity = restTemplate.exchange(registryUrl + path, HttpMethod.PUT, request, String.class);
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return getResponseEntityAsJsonElement(responseEntity);
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}
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public JsonElement get(String path, Map<String, String> params) {
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RestTemplate restTemplate = new RestTemplate();
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String url = createUrl(registryUrl + path, params);
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ResponseEntity<String> responseEntity = restTemplate.exchange
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(url, HttpMethod.GET, new HttpEntity<>(createHeaders(user, password)), String.class);
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return getResponseEntityAsJsonElement(responseEntity);
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}
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public JsonElement delete(String path) {
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RestTemplate restTemplate = new RestTemplate();
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String url = registryUrl + path;
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ResponseEntity<String> responseEntity = restTemplate.exchange(url, HttpMethod.DELETE, new HttpEntity<>(createHeaders(user, password)), String.class);
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return getResponseEntityAsJsonElement(responseEntity);
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}
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private String createUrl(String baseAddress, Map<String, String> params) {
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LinkedMultiValueMap<String, String> multiValueMap = new LinkedMultiValueMap<>();
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params.forEach((k, v) -> multiValueMap.put(k, Collections.singletonList(v)));
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UriComponents uriComponents = UriComponentsBuilder
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.fromHttpUrl(baseAddress)
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.queryParams(multiValueMap)
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.build().encode();
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return uriComponents.toString();
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}
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private HttpHeaders createHeaders(String username, String password) {
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return new HttpHeaders() {{
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String auth = username + ":" + password;
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byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(StandardCharsets.US_ASCII));
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String authHeader = "Basic " + new String(encodedAuth);
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set("Authorization", authHeader);
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}};
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}
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private JsonElement getResponseEntityAsJsonElement(ResponseEntity<String> responseEntity) {
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if (responseEntity == null)
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return null;
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String responseBody = responseEntity.getBody();
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if (responseBody != null) {
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logger.trace(responseBody);
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try {
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return new JsonParser().parse(responseBody);
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} catch (Exception e) {
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logger.warn("Could not parse response body", e); // Will return null.
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}
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}
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return null;
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}
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}
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