package com.pivotallabs.api;
import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Map;
import static com.pivotallabs.util.Strings.isEmptyOrWhitespace;
public class Http {
public Response get(String url, Map<String, String> headers, String username, String password)
throws IOException, URISyntaxException {
URI uri = new URI(url);
return makeRequest(headers, username, password, new HttpGet(uri), uri.getHost());
}
public Response post(String url, Map<String, String> headers, String postBody, String username, String password)
throws IOException, URISyntaxException {
URI uri = new URI(url);
HttpPost method = new HttpPost(uri);
method.setEntity(new StringEntity(postBody, "UTF-8"));
return makeRequest(headers, username, password, method, uri.getHost());
}
private Response makeRequest(Map<String, String> headers, String username, String password, HttpRequestBase method, String host) {
DefaultHttpClient client = null;
try {
for (Map.Entry<String, String> entry : headers.entrySet()) {
method.setHeader(entry.getKey(), entry.getValue());
}
client = getPromiscuousDefaultClient();
addBasicAuthCredentials(client, host, username, password);
return new Response(client.execute(method));
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
if (client != null) {
try {
client.getConnectionManager().shutdown();
} catch (Exception ignored) {
}
}
}
}
private void addBasicAuthCredentials(DefaultHttpClient client, String domainName, String username, String password) {
if (!isEmptyOrWhitespace(username) || !isEmptyOrWhitespace(password)) {
AuthScope authScope = new AuthScope(domainName, 443);
UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(username, password);
client.getCredentialsProvider().setCredentials(authScope, credentials);
}
}
private DefaultHttpClient getPromiscuousDefaultClient() {
HttpParams parameters = new BasicHttpParams();
SchemeRegistry schemeRegistry = new SchemeRegistry();
schemeRegistry.register(new Scheme("https", new CertificateIgnoringSSLSocketFactory(), 443));
schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
ClientConnectionManager manager = new ThreadSafeClientConnManager(parameters, schemeRegistry);
return new DefaultHttpClient(manager, parameters);
}
public static class Response {
private static final int BUFFER_SIZE = 2 ^ 12;
private int statusCode;
private String responseBody;
public Response(HttpResponse httpResponse) {
statusCode = httpResponse.getStatusLine().getStatusCode();
try {
responseBody = fromStream(httpResponse.getEntity().getContent());
} catch (IOException e) {
throw new RuntimeException("error reading response body", e);
}
}
public int getStatusCode() {
return statusCode;
}
public String getResponseBody() {
return responseBody;
}
public String fromStream(InputStream inputStream) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream), BUFFER_SIZE);
StringBuilder stringBuilder = new StringBuilder();
String line;
try {
while ((line = reader.readLine()) != null) {
stringBuilder.append(line).append("\n");
}
} finally {
inputStream.close();
}
return stringBuilder.toString();
}
}
}