Example
package com.aliyun.test;
import codec.Base64;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
import org.springframework.http.HttpMethod;
import javax.crypto.Mac;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Map;
import java.util.TreeMap;
import java.util.UUID;
public class SampleAPI {
/**
* https://dm.aliyuncs.com/?Action=SingleSendMail
* &AccountName=test***@example.net
* &ReplyToAddress=true
* &AddressType=1
* &ToAddress=test1***@example.net
* &Subject=Subject
* &HtmlBody=body
* &<Public request parameters>
*/
@Test
public void testSingleSendMail() {
Map<String, Object> params = new TreeMap<String, Object>();
params.put("AccessKeyId", AccessKeyId);
params.put("Action", "SingleSendMail");
params.put("Format", Format);
params.put("RegionId", RegionId);
params.put("SignatureMethod", SignatureMethod);
params.put("SignatureNonce", UUID.randomUUID().toString());
params.put("SignatureVersion", SignatureVersion);
params.put("Timestamp", getUTCTimeStr());
params.put("Version", Version);
params.put("AccountName", AccountName);
params.put("AddressType", AddressType);
params.put("HtmlBody", HtmlBody);
params.put("ReplyToAddress", ReplyToAddress);
params.put("Subject", Subject);
params.put("TagName", TagName);
params.put("ToAddress", ToAddress);
Long start = System.currentTimeMillis();
httpRequestSendEmail(params);
System.out.println("Processing time: " + (System.currentTimeMillis() - start));
}
public String httpRequestSendEmail(Map<String, Object> params) {
String result = null;
try {
params.put("Signature", getSignature(prepareParamStrURLEncoder(params), method));
String param = prepareParamStrURLEncoder(params);
String url = protocol + "://" + host + "/?" + param;
System.out.println("-----url-----" + url);
HttpClient httpClient = HttpClientBuilder.create().build();
HttpResponse response = null;
if (method.equals(HttpMethod.GET)) {
HttpGet request = new HttpGet(url);
response = httpClient.execute(request);
} else {
HttpPost request = new HttpPost(url);
response = httpClient.execute(request);
}
System.out.println(response);
if (null != response){
result = EntityUtils.toString(response.getEntity());
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("-----httpRequestSendEmail result-----" + result);
return result;
}
private final static String protocol = "https";
private final static String host = "dm.aliyuncs.com";
private final static String AccessKeyId = "*******";
private final static String AccessKeySecret = "************";
//The sender address.
private final static String AccountName = "test***@example.net";
//The recipient address.
private final static String ToAddress = "test1***@example.net";
private final static String Format = "JSON";
private final static String SignatureMethod = "HMAC-SHA1";
private final static String SignatureVersion = "1.0";
private final static String Version = "2015-11-23";
private final static String AddressType = "1";
private final static String RegionId = "cn-hangzhou";
private final static Boolean ReplyToAddress = Boolean.TRUE;
private final static String HtmlBody = "<html><body><h3>Test send to email! </h3></body></html>";
private final static String Subject = "Test topic";
private final static String TagName = "Test tag";
private final static HttpMethod method = HttpMethod.POST;
public String prepareParamStrURLEncoder(Map<String, Object> params) {
try {
StringBuffer param = new StringBuffer();
for (Map.Entry<String, Object> entry : params.entrySet()) {
if (StringUtils.isBlank(entry.getKey()) || null == entry.getValue()) {
continue;
}
param.append(getUtf8Encoder(entry.getKey()) + "=" + getUtf8Encoder(entry.getValue().toString()) + "&");
}
return param.substring(0, param.lastIndexOf("&"));
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* Obtain a signature.
*
* @param param
* @param method
* @return
* @throws Exception
*/
private String getSignature(String param, HttpMethod method) throws Exception {
String toSign = method + "&" + URLEncoder.encode("/", "utf8") + "&"
+ getUtf8Encoder(param);
byte[] bytes = HmacSHA1Encrypt(toSign, AccessKeySecret + "&");
return Base64.encode(bytes);
}
private String getUtf8Encoder(String param) throws UnsupportedEncodingException {
return URLEncoder.encode(param, "utf8")
.replaceAll("\\+", "%20")
.replaceAll("\\*", "%2A")
.replaceAll("%7E", "~");
}
private static final String MAC_NAME = "HmacSHA1";
private static final String ENCODING = "UTF-8";
/**
* Use the HMAC-SHA1 algorithm to sign encryptText.
*
* @param encryptText: the string to sign.
* @param encryptKey: the key.
* @return
* @throws Exception
*/
public static byte[] HmacSHA1Encrypt(String encryptText, String encryptKey) throws Exception {
byte[] data = encryptKey.getBytes(ENCODING);
//Construct a key based on the given byte array and specify the name of an algorithm for the second parameter.
SecretKey secretKey = new SecretKeySpec(data, MAC_NAME);
// Generate a Mac object with a specified Mac algorithm.
Mac mac = Mac.getInstance(MAC_NAME);
//Initialize the Mac object by using the given key.
mac.init(secretKey);
byte[] text = encryptText.getBytes(ENCODING);
//Complete Mac operations.
return mac.doFinal(text);
}
private static DateFormat daetFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
/**
* The UTC time of the string type is returned. The format is "yyyy-MM-dd HH:mm"<br />.
* If the request fails, null is returned.
*
* @return
*/
public static String getUTCTimeStr() {
//1. Obtain the local time.
Calendar cal = Calendar.getInstance();
// 2. Retrieve the time offset.
int zoneOffset = cal.get(Calendar.ZONE_OFFSET);
// 3. Retrieve the Daylight Saving Time (DST) offset.
int dstOffset = cal.get(Calendar.DST_OFFSET);
// 4. Deduct the offsets from the local time to obtain the UTC time.
cal.add(Calendar.MILLISECOND, -(zoneOffset + dstOffset));
String date = daetFormat.format(cal.getTime());
System.out.println("time------" + date);
String[] strs = date.split(" ");
return strs[0] + "T" + strs[1] + "Z";
}
}Reminder
Hangzhou:
host = "dm.aliyuncs.com";
AccountName = "Specify a sender address in the China (Hangzhou) region";
Version = "2015-11-23";
RegionId = "cn-hangzhou";
Singapore (Singapore):
host = "dm.ap-southeast-1.aliyuncs.com";
AccountName = "Specify a sender address in the Singapore (Singapore) region";
Version = "2017-06-22";
RegionId = "ap-southeast-1";
Australia (Sydney):
host = "dm.ap-southeast-2.aliyuncs.com";
AccountName =" Specify a sender address in the Australia (Sydney) region";
Version = "2017-06-22";
RegionId = "ap-southeast-2";--- Example of the last url request sent by the Hangzhou service area ---