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add Jenkins proxy configuration support #28

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add Jenkins proxy configuration support #28

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46 changes: 39 additions & 7 deletions src/main/java/io/jenkins/plugins/servicenow/api/ServiceNowAPIClient.java
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Original file line number Diff line number Diff line change
@@ -1,19 +1,19 @@
package io.jenkins.plugins.servicenow.api;

import com.fasterxml.jackson.databind.ObjectMapper;
import hudson.ProxyConfiguration;
import hudson.util.Secret;
import io.jenkins.plugins.servicenow.api.model.Error;
import io.jenkins.plugins.servicenow.api.model.Response;
import io.jenkins.plugins.servicenow.api.model.Result;
import io.jenkins.plugins.servicenow.api.model.TableResponse;
import jenkins.model.Jenkins;
import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.*;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
Expand Down Expand Up @@ -385,7 +385,7 @@ private Result getResult(String endpoint, Response response) {
}

private Response get(final String endpointPath, final List<NameValuePair> parameters) {
try(CloseableHttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(getCredentials()).build()) {
try(CloseableHttpClient client = (CloseableHttpClient) getHttpClient(getCredentials())) {

HttpGet request = new HttpGet();
HttpResponse response = sendRequest(client, request, endpointPath, parameters, null); //client.execute(request);
Expand All @@ -407,7 +407,7 @@ private Response get(final String endpointPath, final List<NameValuePair> parame
}

private TableResponse getTable(final String endpointPath, final List<NameValuePair> parameters) {
try(CloseableHttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(getCredentials()).build()) {
try(CloseableHttpClient client = (CloseableHttpClient) getHttpClient(getCredentials())) {

HttpGet request = new HttpGet();
HttpResponse response = sendRequest(client, request, endpointPath, parameters, null); //client.execute(request);
Expand All @@ -432,7 +432,7 @@ private TableResponse getTable(final String endpointPath, final List<NameValuePa

private Response post(final String endpointPath, final List<NameValuePair> parameters, final String jsonBody) throws URISyntaxException, IOException {
this.lastActionProgressUrl = StringUtils.EMPTY;
try(CloseableHttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(getCredentials()).build()) {
try(CloseableHttpClient client = (CloseableHttpClient) getHttpClient(getCredentials())) {

HttpPost request = new HttpPost();
HttpResponse response = sendRequest(client, request, endpointPath, parameters, jsonBody);
Expand All @@ -452,6 +452,38 @@ private Response post(final String endpointPath, final List<NameValuePair> param
}
}

private HttpClient getHttpClient(CredentialsProvider credentialsProvider) throws IOException {

HttpClientBuilder clientBuilder = HttpClientBuilder.create();

ProxyConfiguration proxyConfiguration = null;
try {
proxyConfiguration = Jenkins.get().proxy;
} catch (IllegalStateException ex) {
// No Jenkins instance, continue without proxy
}

if(proxyConfiguration != null) {

String name = proxyConfiguration.name;
int port = proxyConfiguration.port;
String userName = proxyConfiguration.getUserName();

if(userName != null) {
LOG.info("Setting credentials");
credentialsProvider.setCredentials(
new AuthScope(name, port),
new UsernamePasswordCredentials(userName, proxyConfiguration.getPassword()));
}

clientBuilder.setProxy(new HttpHost(name, port));
}

clientBuilder.setDefaultCredentialsProvider(credentialsProvider);

return clientBuilder.build();
}

private Response getResponse(HttpResponse response) throws IOException {
String responseJSON = EntityUtils.toString(response.getEntity());
LOG.debug(responseJSON);
Expand Down