import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.*;
public class ToutiaoApi {
private static String URL ="https://feiyu.oceanengine.com/crm/v2/openapi/pull-clues/";
private static String api_path ="/crm/v2/openapi/pull-clues/";
//祕鑰
private static String SECRETKEY = "";
//token
private static String TOKEN = "";
//Base64
final Base64.Encoder encoder = Base64.getEncoder();
public static void main(String[] args) {
try {
String start_time ="2019-06-10";
String end_time ="2019-10-23";
new ToutiaoApi().crmPullClues(start_time,end_time,1,10);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
*
* @description
* @param startTime
* @param endTime
* @param page
* @param pageSize
* @return
* @throws Exception
*/
public String crmPullClues(String startTime, String endTime, int page, int pageSize) throws Exception {
CloseableHttpClient httpClient = HttpClients.createDefault();
String entityStr = null;
CloseableHttpResponse response = null;
try {
URIBuilder uriBuilder = new URIBuilder(URL);
long Timestamp = getTimestamp();
List<NameValuePair> list = new LinkedList<>();
BasicNameValuePair param1 = new BasicNameValuePair("start_time", startTime);
BasicNameValuePair param2 = new BasicNameValuePair("end_time", endTime);
BasicNameValuePair param3 = new BasicNameValuePair("page", String.valueOf(page));
BasicNameValuePair param4 = new BasicNameValuePair("page_size",String.valueOf(pageSize));
list.add(param1);
list.add(param2);
list.add(param3);
list.add(param4);
uriBuilder.setParameters(list);
HttpGet httpGet = new HttpGet(uriBuilder.build());
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(30000).setConnectTimeout(30000).build();
httpGet.setConfig(requestConfig);
// 鑑權
String sign = this.sign(Timestamp,startTime,endTime);
//設置頭信息
httpGet.addHeader("Signature",sign);
httpGet.addHeader("Timestamp",String.valueOf(Timestamp));
httpGet.addHeader("Access-Token",TOKEN);
// 瀏覽器表示
// httpGet.addHeader("User-Agent", "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.6)");
// 傳輸的類型
// httpGet.addHeader("Content-Type", "application/x-www-form-urlencoded");
httpGet.addHeader("Content-Type", "application/json;charset=UTF-8");
// 執行請求
response = httpClient.execute(httpGet);
// 獲得響應的實體對象
HttpEntity entity = response.getEntity();
// 使用Apache提供的工具類進行轉換成字符串
entityStr = EntityUtils.toString(entity, "UTF-8");
} catch (ClientProtocolException e) {
System.out.println("Http協議出現問題");
e.printStackTrace();
} catch (ParseException e) {
System.out.println("解析錯誤");
e.printStackTrace();
} catch (URISyntaxException e) {
System.out.println("URI解析異常");
e.printStackTrace();
} catch (IOException e) {
System.out.println("IO異常");
e.printStackTrace();
} finally {
// 釋放連接
if (null != response) {
try {
response.close();
httpClient.close();
} catch (IOException e) {
System.err.println("釋放連接出錯");
e.printStackTrace();
}
}
}
// 打印響應內容
System.out.println(entityStr);
return entityStr;
}
/**
*
* @description 簽名
* @param timestamp
* @param start_time
* @param end_time
* @return
* @throws Exception
*/
private String sign(long timestamp,String start_time,String end_time) throws Exception {
String source_data = api_path+"?start_time="+start_time+"&end_time="+end_time+" "+timestamp;
System.out.println("source_data="+source_data);
String SHA256 = sha256_HMAC(source_data, SECRETKEY);
System.out.println("HMACSHA256="+SHA256);
String base64 = encoder.encodeToString(SHA256.getBytes());//base64編碼後
return base64;
}
//時間戳
public static long getTimestamp() {
return System.currentTimeMillis()/1000;
}
/**
*
* @description 加密方法1
* @param message
* @param secret
* @return
*/
public static String sha256_HMAC(String message, String secret) {
String hash = "";
try {
Mac sha256_HMAC = Mac.getInstance("HmacSHA256");
SecretKeySpec secret_key = new SecretKeySpec(secret.getBytes(), "HmacSHA256");
sha256_HMAC.init(secret_key);
byte[] bytes = sha256_HMAC.doFinal(message.getBytes());
hash = byteArrayToHexString(bytes);
} catch (Exception e) {
System.out.println("Error HmacSHA256 ===========" + e.getMessage());
}
return hash;
}
private static String byteArrayToHexString(byte[] b) {
StringBuilder hs = new StringBuilder();
for (int n = 0; b != null && n < b.length; n++) {
String stmp = Integer.toHexString(b[n] & 0xFF);
if (stmp.length() == 1)
hs.append('0');
hs.append(stmp);
}
return hs.toString().toLowerCase();
}
/**
*
* @description HMACSHA256 加密方法2
* @param data
* @param key
* @return
* @throws Exception
*/
public static String HMACSHA256(String data, String key) throws Exception {
Mac sha256_HMAC = Mac.getInstance("HmacSHA256");
SecretKeySpec secret_key = new SecretKeySpec(key.getBytes("UTF-8"), "HmacSHA256");
sha256_HMAC.init(secret_key);
byte[] array = sha256_HMAC.doFinal(data.getBytes("UTF-8"));
StringBuilder sb = new StringBuilder();
for (byte item : array) {
sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3));
}
return sb.toString();
}
}
