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sts java sdk for qcloud cos
package com.tencent.cloud.cos.util;
import javax.net.ssl.HttpsURLConnection;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.util.Map;
import java.util.Random;
import java.util.TreeMap;
/**
* 请求调用类
* @author robinslsun
*/
public class Request {
protected static String requestUrl = "";
protected static String rawResponse = "";
protected static int connectTimeout = 5000; // ms
protected static int readTimeout = 90000; // ms
public static String getRequestUrl() {
return requestUrl;
}
public static String getRawResponse() {
return rawResponse;
}
public static String generateUrl(TreeMap params,
String secretId, String secretKey, String requestMethod,
String requestHost, String requestPath) {
if (!params.containsKey("SecretId"))
params.put("SecretId", secretId);
if (!params.containsKey("Nonce"))
params.put("Nonce",
new Random().nextInt(Integer.MAX_VALUE));
if (!params.containsKey("Timestamp"))
params.put("Timestamp", System.currentTimeMillis() / 1000);
String plainText = Sign.makeSignPlainText(params, requestMethod,
requestHost, requestPath);
String signatureMethod = "HmacSHA1";
if(params.containsKey("SignatureMethod") && params.get("SignatureMethod").toString().equals("HmacSHA256"))
{
signatureMethod = "HmacSHA256";
}
try {
params.put("Signature", Sign.sign(plainText, secretKey, signatureMethod));
} catch (Exception e) {
throw new IllegalStateException(e.getMessage(), e);
}
StringBuilder url = new StringBuilder("https://");
url.append(requestHost).append(requestPath).append("?");
if (requestMethod.equals("GET")) {
for ( String k : params.keySet() ) {
try {
url.append(k.replace("_", "."))
.append("=")
.append(URLEncoder.encode(params.get(k).toString(), "utf-8"))
.append("&");
} catch (UnsupportedEncodingException e) {
// 下面是一个错误的做法。
// 本应该抛出异常让上层捕获处理，但是出于保持兼容性的考虑，
// 并不想让这个方法升级后抛出一个未捕获的异常。
// 而且之所以会有这个异常，是因为有些特殊系统未必支持utf-8，
// 在这些系统上，其实根本无法正常调用云API，
// 所以可以直接忽略，返回一个无用的信息即可。
return "https://" + requestHost + requestPath;
}
}
}
return url.toString().substring(0, url.length() - 1);
}
public static String send(TreeMap params, String secretId,
String secretKey, String requestMethod, String requestHost,
String requestPath) {
if (!params.containsKey("SecretId"))
params.put("SecretId", secretId);
if (!params.containsKey("Nonce"))
params.put("Nonce",
new Random().nextInt(Integer.MAX_VALUE));
if (!params.containsKey("Timestamp"))
params.put("Timestamp", System.currentTimeMillis() / 1000);
params.remove("Signature");
String plainText = Sign.makeSignPlainText(params, requestMethod,
requestHost, requestPath);
String signatureMethod = "HmacSHA1";
if(params.containsKey("SignatureMethod") && params.get("SignatureMethod").toString().equals("HmacSHA256"))
{
signatureMethod = "HmacSHA256";
}
try {
params.put("Signature", Sign.sign(plainText, secretKey, signatureMethod));
} catch (Exception e) {
throw new IllegalStateException(e.getMessage(), e);
}
String url = "https://" + requestHost + requestPath;
return sendRequest(url, params, requestMethod);
}
public static String sendRequest(String url,
Map requestParams, String requestMethod) {
String result = "";
BufferedReader in = null;
String paramStr = "";
for (String key : requestParams.keySet()) {
if (!paramStr.isEmpty()) {
paramStr += '&';
}
try {
paramStr += key + '='
+ URLEncoder.encode(requestParams.get(key).toString(),"utf-8");
} catch (UnsupportedEncodingException e) {
result = "{\"code\":-2300,\"location\":\"com.qcloud.Common.Request:129\",\"message\":\"api sdk throw exception! "
+ e.toString().replace("\"", "\\\"") + "\"}";
}
}
try {
if (requestMethod.equals("GET")) {
if (url.indexOf('?') > 0) {
url += '&' + paramStr;
} else {
url += '?' + paramStr;
}
}
requestUrl = url;
URL realUrl = new URL(url);
URLConnection connection = null;
if (url.toLowerCase().startsWith("https")) {
HttpsURLConnection httpsConn = (HttpsURLConnection) realUrl
.openConnection();
/*httpsConn.setHostnameVerifier(new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
return true;
}
});*/
connection = httpsConn;
} else {
connection = realUrl.openConnection();
}
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 设置链接主机超时时间
connection.setConnectTimeout(connectTimeout);
connection.setReadTimeout(readTimeout);
if (requestMethod.equals("POST")) {
((HttpURLConnection) connection).setRequestMethod("POST");
// 发送POST请求必须设置如下两行
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setRequestProperty("Content-Type",
"application/x-www-form-urlencoded");
OutputStream out = new DataOutputStream(
connection.getOutputStream());
out.write(paramStr.getBytes());
out.flush();
out.close();
}
// 建立实际的连接
connection.connect();
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(
connection.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
result = "{\"code\":-2700,\"location\":\"com.qcloud.Common.Request:225\",\"message\":\"api sdk throw exception! "
+ e.toString().replace("\"", "\\\"") + "\"}";
} finally {
// 使用finally块来关闭输入流
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
result = "{\"code\":-2800,\"location\":\"com.qcloud.Common.Request:234\",\"message\":\"api sdk throw exception! "
+ e2.toString().replace("\"", "\\\"") + "\"}";
}
}
rawResponse = result;
return result;
}
}