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com.alipay.api.internal.util.WebUtils Maven / Gradle / Ivy
package com.alipay.api.internal.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.StringWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import com.alipay.api.AlipayConstants;
import com.alipay.api.FileItem;
/**
* 网络工具类。
*
* @author carver.gu
* @since 1.0, Sep 12, 2009
*/
public abstract class WebUtils {
private static final String DEFAULT_CHARSET = AlipayConstants.CHARSET_UTF8;
private static final String METHOD_POST = "POST";
private static final String METHOD_GET = "GET";
private static SSLContext ctx = null;
private static HostnameVerifier verifier = null;
private static SSLSocketFactory socketFactory = null;
private static class DefaultTrustManager implements X509TrustManager {
public X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(
X509Certificate[] chain,
String authType) throws CertificateException {
}
public void checkServerTrusted(
X509Certificate[] chain,
String authType) throws CertificateException {
}
}
static {
try {
ctx = SSLContext.getInstance("TLS");
ctx.init(new KeyManager[0], new TrustManager[] {
new DefaultTrustManager()
}, new SecureRandom());
ctx.getClientSessionContext().setSessionTimeout(15);
ctx.getClientSessionContext().setSessionCacheSize(1000);
socketFactory = ctx.getSocketFactory();
} catch (Exception e) {
}
verifier = new HostnameVerifier() {
public boolean verify(
String hostname,
SSLSession session) {
return false;// 默认认证不通过，进行证书校验。
}
};
}
private WebUtils() {
}
public static String doPost(
String url,
Map params,
int connectTimeout,
int readTimeout) throws IOException {
return doPost(url, params, DEFAULT_CHARSET, connectTimeout, readTimeout);
}
public static String doPost(
String url,
Map params,
String charset,
int connectTimeout,
int readTimeout) throws IOException {
String ctype = "application/x-www-form-urlencoded;charset=" + charset;
String query = buildQuery(params, charset);
byte[] content = {};
if (query != null) {
content = query.getBytes(charset);
}
return doPost(url, ctype, content, connectTimeout, readTimeout);
}
public static String doPost(
String url,
String ctype,
byte[] content,
int connectTimeout,
int readTimeout) throws IOException {
HttpURLConnection conn = null;
OutputStream out = null;
String rsp = null;
try {
try {
conn = getConnection(new URL(url), METHOD_POST, ctype);
conn.setConnectTimeout(connectTimeout);
conn.setReadTimeout(readTimeout);
} catch (IOException e) {
Map map = getParamsFromUrl(url);
AlipayLogger.logCommError(e, url, map.get("app_key"), map.get("method"), content);
throw e;
}
try {
out = conn.getOutputStream();
out.write(content);
rsp = getResponseAsString(conn);
} catch (IOException e) {
Map map = getParamsFromUrl(url);
AlipayLogger.logCommError(e, conn, map.get("app_key"), map.get("method"), content);
throw e;
}
} finally {
if (out != null) {
out.close();
}
if (conn != null) {
conn.disconnect();
}
}
return rsp;
}
public static String doPost(
String url,
Map params,
Map fileParams,
int connectTimeout,
int readTimeout) throws IOException {
if (fileParams == null || fileParams.isEmpty()) {
return doPost(url, params, DEFAULT_CHARSET, connectTimeout, readTimeout);
} else {
return doPost(url, params, fileParams, DEFAULT_CHARSET, connectTimeout, readTimeout);
}
}
public static String doPost(
String url,
Map params,
Map fileParams,
String charset,
int connectTimeout,
int readTimeout) throws IOException {
if (fileParams == null || fileParams.isEmpty()) {
return doPost(url, params, charset, connectTimeout, readTimeout);
}
String boundary = System.currentTimeMillis() + ""; // 随机分隔线
HttpURLConnection conn = null;
OutputStream out = null;
String rsp = null;
try {
try {
String ctype = "multipart/form-data;boundary=" + boundary + ";charset=" + charset;
conn = getConnection(new URL(url), METHOD_POST, ctype);
conn.setConnectTimeout(connectTimeout);
conn.setReadTimeout(readTimeout);
} catch (IOException e) {
Map map = getParamsFromUrl(url);
AlipayLogger.logCommError(e, url, map.get("app_key"), map.get("method"), params);
throw e;
}
try {
out = conn.getOutputStream();
byte[] entryBoundaryBytes = ("\r\n--" + boundary + "\r\n").getBytes(charset);
// 组装文本请求参数
Set> textEntrySet = params.entrySet();
for (Entry textEntry : textEntrySet) {
byte[] textBytes = getTextEntry(textEntry.getKey(), textEntry.getValue(), charset);
out.write(entryBoundaryBytes);
out.write(textBytes);
}
// 组装文件请求参数
Set> fileEntrySet = fileParams.entrySet();
for (Entry fileEntry : fileEntrySet) {
FileItem fileItem = fileEntry.getValue();
byte[] fileBytes = getFileEntry(fileEntry.getKey(), fileItem.getFileName(), fileItem.getMimeType(),
charset);
out.write(entryBoundaryBytes);
out.write(fileBytes);
out.write(fileItem.getContent());
}
// 添加请求结束标志
byte[] endBoundaryBytes = ("\r\n--" + boundary + "--\r\n").getBytes(charset);
out.write(endBoundaryBytes);
rsp = getResponseAsString(conn);
} catch (IOException e) {
Map map = getParamsFromUrl(url);
AlipayLogger.logCommError(e, conn, map.get("app_key"), map.get("method"), params);
throw e;
}
} finally {
if (out != null) {
out.close();
}
if (conn != null) {
conn.disconnect();
}
}
return rsp;
}
private static byte[] getTextEntry(
String fieldName,
String fieldValue,
String charset) throws IOException {
StringBuilder entry = new StringBuilder();
entry.append("Content-Disposition:form-data;name=\"");
entry.append(fieldName);
entry.append("\"\r\nContent-Type:text/plain\r\n\r\n");
entry.append(fieldValue);
return entry.toString().getBytes(charset);
}
private static byte[] getFileEntry(
String fieldName,
String fileName,
String mimeType,
String charset) throws IOException {
StringBuilder entry = new StringBuilder();
entry.append("Content-Disposition:form-data;name=\"");
entry.append(fieldName);
entry.append("\";filename=\"");
entry.append(fileName);
entry.append("\"\r\nContent-Type:");
entry.append(mimeType);
entry.append("\r\n\r\n");
return entry.toString().getBytes(charset);
}
public static String doGet(
String url,
Map params) throws IOException {
return doGet(url, params, DEFAULT_CHARSET);
}
public static String doGet(
String url,
Map params,
String charset) throws IOException {
HttpURLConnection conn = null;
String rsp = null;
try {
String ctype = "application/x-www-form-urlencoded;charset=" + charset;
String query = buildQuery(params, charset);
try {
conn = getConnection(buildGetUrl(url, query), METHOD_GET, ctype);
} catch (IOException e) {
Map map = getParamsFromUrl(url);
AlipayLogger.logCommError(e, url, map.get("app_key"), map.get("method"), params);
throw e;
}
try {
rsp = getResponseAsString(conn);
} catch (IOException e) {
Map map = getParamsFromUrl(url);
AlipayLogger.logCommError(e, conn, map.get("app_key"), map.get("method"), params);
throw e;
}
} finally {
if (conn != null) {
conn.disconnect();
}
}
return rsp;
}
private static HttpURLConnection getConnection(
URL url,
String method,
String ctype) throws IOException {
HttpURLConnection conn = null;
if ("https".equals(url.getProtocol())) {
HttpsURLConnection connHttps = (HttpsURLConnection) url.openConnection();
connHttps.setSSLSocketFactory(socketFactory);
connHttps.setHostnameVerifier(verifier);
conn = connHttps;
} else {
conn = (HttpURLConnection) url.openConnection();
}
conn.setRequestMethod(method);
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setRequestProperty("Accept", "text/xml,text/javascript,text/html");
conn.setRequestProperty("User-Agent", "aop-sdk-java");
conn.setRequestProperty("Content-Type", ctype);
return conn;
}
private static URL buildGetUrl(
String strUrl,
String query) throws IOException {
URL url = new URL(strUrl);
if (StringUtils.isEmpty(query)) {
return url;
}
if (StringUtils.isEmpty(url.getQuery())) {
if (strUrl.endsWith("?")) {
strUrl = strUrl + query;
} else {
strUrl = strUrl + "?" + query;
}
} else {
if (strUrl.endsWith("&")) {
strUrl = strUrl + query;
} else {
strUrl = strUrl + "&" + query;
}
}
return new URL(strUrl);
}
public static String buildQuery(
Map params,
String charset) throws IOException {
if (params == null || params.isEmpty()) {
return null;
}
StringBuilder query = new StringBuilder();
Set> entries = params.entrySet();
boolean hasParam = false;
for (Entry entry : entries) {
String name = entry.getKey();
String value = entry.getValue();
// 忽略参数名或参数值为空的参数
if (StringUtils.areNotEmpty(name, value)) {
if (hasParam) {
query.append("&");
} else {
hasParam = true;
}
query.append(name).append("=").append(URLEncoder.encode(value, charset));
}
}
return query.toString();
}
protected static String getResponseAsString(
HttpURLConnection conn) throws IOException {
String charset = getResponseCharset(conn.getContentType());
InputStream es = conn.getErrorStream();
if (es == null) {
return getStreamAsString(conn.getInputStream(), charset);
} else {
String msg = getStreamAsString(es, charset);
if (StringUtils.isEmpty(msg)) {
throw new IOException(conn.getResponseCode() + ":" + conn.getResponseMessage());
} else {
throw new IOException(msg);
}
}
}
private static String getStreamAsString(
InputStream stream,
String charset) throws IOException {
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(stream, charset));
StringWriter writer = new StringWriter();
char[] chars = new char[256];
int count = 0;
while ((count = reader.read(chars)) > 0) {
writer.write(chars, 0, count);
}
return writer.toString();
} finally {
if (stream != null) {
stream.close();
}
}
}
private static String getResponseCharset(
String ctype) {
String charset = DEFAULT_CHARSET;
if (!StringUtils.isEmpty(ctype)) {
String[] params = ctype.split(";");
for (String param : params) {
param = param.trim();
if (param.startsWith("charset")) {
String[] pair = param.split("=", 2);
if (pair.length == 2) {
if (!StringUtils.isEmpty(pair[1])) {
charset = pair[1].trim();
}
}
break;
}
}
}
return charset;
}
public static String decode(
String value) {
return decode(value, DEFAULT_CHARSET);
}
public static String encode(
String value) {
return encode(value, DEFAULT_CHARSET);
}
public static String decode(
String value,
String charset) {
String result = null;
if (!StringUtils.isEmpty(value)) {
try {
result = URLDecoder.decode(value, charset);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return result;
}
public static String encode(
String value,
String charset) {
String result = null;
if (!StringUtils.isEmpty(value)) {
try {
result = URLEncoder.encode(value, charset);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return result;
}
private static Map getParamsFromUrl(
String url) {
Map map = null;
if (url != null && url.indexOf('?') != -1) {
map = splitUrlQuery(url.substring(url.indexOf('?') + 1));
}
if (map == null) {
map = new HashMap();
}
return map;
}
public static Map splitUrlQuery(
String query) {
Map result = new HashMap();
String[] pairs = query.split("&");
if (pairs != null && pairs.length > 0) {
for (String pair : pairs) {
String[] param = pair.split("=", 2);
if (param != null && param.length == 2) {
result.put(param[0], param[1]);
}
}
}
return result;
}
public String buildForm(
String baseUrl,
RequestParametersHolder requestHolder) {
return null;
}
public static String buildForm(
String baseUrl,
Map parameters) {
java.lang.StringBuffer sb = new StringBuffer();
sb.append("\n");
sb.append("");
java.lang.String form = sb.toString();
return form;
}
private static String buildHiddenFields(
Map parameters) {
if (parameters == null || parameters.isEmpty()) {
return "";
}
java.lang.StringBuffer sb = new StringBuffer();
Set keys = parameters.keySet();
for (String key : keys) {
String value = parameters.get(key);
// 除去参数中的空值
if (key == null || value == null) {
continue;
}
sb.append(buildHiddenField(key, value));
}
java.lang.String result = sb.toString();
return result;
}
private static String buildHiddenField(
String key,
String value) {
java.lang.StringBuffer sb = new StringBuffer();
sb.append("
