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com.braintreegateway.util.Http Maven / Gradle / Ivy
package com.braintreegateway.util;
import com.braintreegateway.Configuration;
import com.braintreegateway.Request;
import com.braintreegateway.exceptions.AuthenticationException;
import com.braintreegateway.exceptions.AuthorizationException;
import com.braintreegateway.exceptions.GatewayTimeoutException;
import com.braintreegateway.exceptions.NotFoundException;
import com.braintreegateway.exceptions.RequestTimeoutException;
import com.braintreegateway.exceptions.ServerException;
import com.braintreegateway.exceptions.ServiceUnavailableException;
import com.braintreegateway.exceptions.TimeoutException;
import com.braintreegateway.exceptions.TooManyRequestsException;
import com.braintreegateway.exceptions.UnexpectedException;
import com.braintreegateway.exceptions.UpgradeRequiredException;
import com.braintreegateway.org.apache.commons.codec.binary.Base64;
import com.fasterxml.jackson.jr.ob.JSON;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.security.KeyStore;
import java.security.NoSuchAlgorithmException;
import java.security.Principal;
import java.security.SecureRandom;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.text.SimpleDateFormat;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.zip.GZIPInputStream;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManagerFactory;
public class Http {
public static final String LINE_FEED = "\r\n";
private static final Pattern NUMBER_PATTERN = Pattern.compile("(.{6}).+?(.{4}) ");
private static final Pattern START_GROUP_PATTERN = Pattern.compile("(^)", Pattern.MULTILINE);
private static final Pattern CVV_PATTERN = Pattern.compile(".+? ");
private static final Pattern ENCRYPTED_CARD_DATA_PATTERN = Pattern.compile(".+? ");
private volatile SSLSocketFactory sslSocketFactory;
public enum RequestMethod {
DELETE, GET, POST, PUT;
}
private Configuration configuration;
public Http(Configuration configuration) {
this.configuration = configuration;
}
public NodeWrapper delete(String url) {
return xmlHttpRequest(RequestMethod.DELETE, url);
}
public NodeWrapper get(String url) {
return xmlHttpRequest(RequestMethod.GET, url);
}
public NodeWrapper post(String url) {
return xmlHttpRequest(RequestMethod.POST, url, null, null);
}
public NodeWrapper post(String url, Request request) {
return xmlHttpRequest(RequestMethod.POST, url, request.toXML(), null);
}
public NodeWrapper post(String url, String request) {
return xmlHttpRequest(RequestMethod.POST, url, request, null);
}
public NodeWrapper postMultipart(String url, String request, File file) {
return xmlHttpRequest(RequestMethod.POST, url, request, file);
}
public NodeWrapper put(String url) {
return xmlHttpRequest(RequestMethod.PUT, url, null, null);
}
public NodeWrapper put(String url, Request request) {
return xmlHttpRequest(RequestMethod.PUT, url, request.toXML(), null);
}
private NodeWrapper xmlHttpRequest(RequestMethod requestMethod, String url) {
return xmlHttpRequest(requestMethod, url, null, null);
}
protected String httpDo(RequestMethod requestMethod,
String url,
String postBody,
File file,
HttpURLConnection connection,
Map headers,
String boundary) {
String response = null;
try {
Logger logger = configuration.getLogger();
if (postBody != null && logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, formatSanitizeBodyForLog(postBody));
}
if (connection instanceof HttpsURLConnection) {
((HttpsURLConnection) connection).setSSLSocketFactory(getSSLSocketFactory());
}
if (postBody != null) {
OutputStream outputStream = null;
try {
outputStream = connection.getOutputStream();
PrintWriter writer = new PrintWriter(new OutputStreamWriter(outputStream, "UTF-8"), true);
if (file == null) {
outputStream.write(postBody.getBytes("UTF-8"));
} else {
Map map = JSON.std.mapFrom(postBody);
Iterator it = map.entrySet().iterator();
while (it.hasNext()) {
Map.Entry pair = (Map.Entry) it.next();
addFormField((String) pair.getKey(), (String) pair.getValue(), writer, boundary);
}
addFilePart("file", file, writer, outputStream, boundary);
finish(writer, boundary);
}
} finally {
if (outputStream != null) {
outputStream.close();
}
}
}
throwExceptionIfErrorStatusCode(connection.getResponseCode(), connection.getResponseMessage());
InputStream responseStream = null;
try {
responseStream =
connection.getResponseCode() == 422 ? connection.getErrorStream() : connection.getInputStream();
if ("gzip".equalsIgnoreCase(connection.getContentEncoding())) {
responseStream = new GZIPInputStream(responseStream);
}
response = StringUtils.inputStreamToString(responseStream);
if (logger.isLoggable(Level.INFO)) {
logger.log(Level.INFO,
"[Braintree] [{0}]] {1} {2}",
new Object[]{getCurrentTime(), requestMethod.toString(), url});
}
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE,
"[Braintree] [{0}] {1} {2} {3}",
new Object[]{getCurrentTime(), requestMethod.toString(), url, connection.getResponseCode()});
if (response != null) {
logger.log(Level.FINE, formatSanitizeBodyForLog(response));
}
}
if (response == null || response.trim().equals("")) {
return null;
}
} finally {
if (responseStream != null) {
responseStream.close();
}
}
} catch (SocketTimeoutException e) {
throw new TimeoutException(e.getMessage(), e);
} catch (IOException e) {
throw new UnexpectedException(e.getMessage(), e);
} finally {
connection.disconnect();
}
return response;
}
protected Map constructHeaders(String acceptType, String contentType) {
Map headers = new HashMap();
headers.put("Accept", acceptType);
headers.put("User-Agent", "Braintree Java " + Configuration.VERSION);
headers.put("X-ApiVersion", Configuration.apiVersion());
headers.put("Authorization", authorizationHeader());
headers.put("Accept-Encoding", "gzip");
headers.put("Content-Type", contentType);
return headers;
}
private NodeWrapper xmlHttpRequest(RequestMethod requestMethod, String url, String postBody, File file) {
HttpURLConnection connection = null;
String boundary = "boundary" + System.currentTimeMillis();
String contentType = file == null ? "application/xml" : "multipart/form-data; boundary=" + boundary;
Map headers = constructHeaders("application/xml", contentType);
try {
connection = buildConnection(requestMethod, configuration.getBaseURL() + url, headers);
} catch (IOException e) {
throw new UnexpectedException(e.getMessage(), e);
}
String response = httpDo(requestMethod, url, postBody, file, connection, headers, boundary);
if (response != null) {
return NodeWrapperFactory.instance.create(response);
}
return null;
}
private void addFormField(String key, String value, PrintWriter writer, String boundary) {
writer.append("--" + boundary).append(LINE_FEED);
writer.append("Content-Disposition: form-data; name=\"" + key + "\"").append(LINE_FEED);
writer.append(LINE_FEED);
writer.append(value).append(LINE_FEED);
writer.flush();
}
private void addFilePart(String fieldName,
File uploadFile,
PrintWriter writer,
OutputStream outputStream,
String boundary)
throws IOException {
String filename = uploadFile.getName();
writer.append("--" + boundary).append(LINE_FEED);
writer.append("Content-Disposition: form-data; name=\"" + fieldName + "\"; filename=\"" + filename + "\"")
.append(LINE_FEED);
writer.append("Content-Type: " + URLConnection.guessContentTypeFromName(filename)).append(LINE_FEED);
writer.append(LINE_FEED);
writer.flush();
FileInputStream inputStream = new FileInputStream(uploadFile);
try {
byte[] buffer = new byte[4096];
int bytesRead;
while ((bytesRead = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, bytesRead);
}
outputStream.flush();
} finally {
inputStream.close();
}
writer.append(LINE_FEED);
writer.flush();
}
private void finish(PrintWriter writer, String boundary) {
writer.append("--" + boundary + "--").append(LINE_FEED);
writer.append(LINE_FEED).flush();
writer.close();
}
protected String formatSanitizeBodyForLog(String body) {
if (body == null) {
return body;
}
Matcher regexMatcher = START_GROUP_PATTERN.matcher(body);
if (regexMatcher.find()) {
body = regexMatcher.replaceAll("[Braintree] $1");
}
regexMatcher = NUMBER_PATTERN.matcher(body);
if (regexMatcher.find()) {
body = regexMatcher.replaceAll("$1******$2 ");
}
body = ENCRYPTED_CARD_DATA_PATTERN.matcher(body).replaceAll("*** ");
body = CVV_PATTERN.matcher(body).replaceAll("*** ");
return body;
}
protected String getCurrentTime() {
return new SimpleDateFormat("d/MMM/yyyy HH:mm:ss Z").format(new Date());
}
protected SSLSocketFactory getSSLSocketFactory() {
if (sslSocketFactory == null) {
synchronized (this) {
if (sslSocketFactory == null) {
try {
KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
keyStore.load(null);
for (String certificateFilename : configuration.getEnvironment().certificateFilenames) {
CertificateFactory cf = CertificateFactory.getInstance("X.509");
InputStream certStream = null;
try {
certStream = Http.class.getClassLoader().getResourceAsStream(certificateFilename);
Collection coll = cf.generateCertificates(certStream);
for (Certificate cert : coll) {
if (cert instanceof X509Certificate) {
X509Certificate x509cert = (X509Certificate) cert;
Principal principal = x509cert.getSubjectDN();
String subject = principal.getName();
keyStore.setCertificateEntry(subject, cert);
}
}
} finally {
if (certStream != null) {
certStream.close();
}
}
}
KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
kmf.init(keyStore, null);
TrustManagerFactory tmf =
TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init(keyStore);
SSLContext sslContext = null;
try {
// Use TLS v1.2 explicitly for Java 1.6 or Java 7 JVMs that support it but do not turn it on by
// default
sslContext = SSLContext.getInstance("TLSv1.2");
} catch (NoSuchAlgorithmException e) {
sslContext = SSLContext.getInstance("TLS");
}
sslContext.init((KeyManager[]) kmf.getKeyManagers(),
tmf.getTrustManagers(),
SecureRandom.getInstance("SHA1PRNG"));
sslSocketFactory = sslContext.getSocketFactory();
} catch (Exception e) {
Logger logger = configuration.getLogger();
logger.log(Level.SEVERE,
"SSL Verification failed. Error message: {0}",
new Object[]{e.getMessage()});
throw new UnexpectedException(e.getMessage(), e);
}
}
}
}
return sslSocketFactory;
}
protected HttpURLConnection buildConnection(RequestMethod requestMethod,
String urlString,
Map headers) throws java.io.IOException {
URL url = new URL(urlString);
int connectTimeout = configuration.getConnectTimeout();
HttpURLConnection connection;
if (configuration.usesProxy()) {
connection = (HttpURLConnection) url.openConnection(configuration.getProxy());
} else {
connection = (HttpURLConnection) url.openConnection();
}
connection.setRequestMethod(requestMethod.toString());
for (Map.Entry entry : headers.entrySet()) {
connection.addRequestProperty(entry.getKey(), entry.getValue());
}
connection.setDoOutput(true);
connection.setReadTimeout(configuration.getTimeout());
if (connectTimeout > 0) {
connection.setConnectTimeout(connectTimeout);
}
return connection;
}
public static void throwExceptionIfErrorStatusCode(int statusCode, String message) {
if (isErrorCode(statusCode)) {
String decodedMessage = null;
if (message != null) {
try {
decodedMessage = URLDecoder.decode(message, "UTF-8");
} catch (UnsupportedEncodingException e) {
Logger logger = Logger.getLogger("Braintree");
logger.log(Level.FINEST, e.getMessage(), e.getStackTrace());
}
}
switch (statusCode) {
case 401:
throw new AuthenticationException();
case 403:
throw new AuthorizationException(decodedMessage);
case 404:
throw new NotFoundException();
case 408:
throw new RequestTimeoutException();
case 426:
throw new UpgradeRequiredException();
case 429:
throw new TooManyRequestsException();
case 500:
throw new ServerException();
case 503:
throw new ServiceUnavailableException();
case 504:
throw new GatewayTimeoutException();
default:
throw new UnexpectedException("Unexpected HTTP_RESPONSE " + statusCode);
}
}
}
private static boolean isErrorCode(int responseCode) {
return responseCode != 200 && responseCode != 201 && responseCode != 422;
}
public String authorizationHeader() {
if (configuration.isAccessToken()) {
return "Bearer " + configuration.getAccessToken();
}
String credentials;
if (configuration.isClientCredentials()) {
credentials = configuration.getClientId() + ":" + configuration.getClientSecret();
} else {
credentials = configuration.getPublicKey() + ":" + configuration.getPrivateKey();
}
return "Basic " + Base64.encodeBase64String(credentials.getBytes()).trim();
}
}
