阿里云视频点播获取视频点播的video信息
背景
因为在项目中需要使用阿里云的视频点播服务，需要获取视频点播的时长信息。
工具类
生成签名串Signature
SignatureUtils.java
package com.meeno.wzq.alibaba.signature;
import com.google.common.collect.Maps;
import com.meeno.framework.util.HttpUtils;
import lombok.extern.java.Log;
import sun.misc.BASE64Encoder;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.SignatureException;
import java.text.SimpleDateFormat;
import java.util.*;
/**
* @description: 生成签名串Signature
* @author: Wzq
* @create: 2020-01-14 17:38
*/
@Log
public class SignatureUtils {
/*对所有参数名称和参数值做URL编码*/
public static List<String> getAllParams(Map<String, String> publicParams, Map<String, String> privateParams) {
List<String> encodeParams = new ArrayList<String>();
if (publicParams != null) {
for (String key : publicParams.keySet()) {
String value = publicParams.get(key);
//将参数和值都urlEncode一下。
String encodeKey = percentEncode(key);
String encodeVal = percentEncode(value);
encodeParams.add(encodeKey + "=" + encodeVal);
}
}
if (privateParams != null) {
for (String key : privateParams.keySet()) {
String value = privateParams.get(key);
//将参数和值都urlEncode一下。
String encodeKey = percentEncode(key);
String encodeVal = percentEncode(value);
encodeParams.add(encodeKey + "=" + encodeVal);
}
}
return encodeParams;
}
/*获取 CanonicalizedQueryString*/
public static String getCQS(List<String> allParams) {
ParamsComparator paramsComparator = new ParamsComparator();
Collections.sort(allParams, paramsComparator);
String cqString = "";
for (int i = 0; i < allParams.size(); i++) {
cqString += allParams.get(i);
if (i != allParams.size() - 1) {
cqString += "&";
}
}
return cqString;
}
/*字符串参数比较器，按字母序升序*/
public static class ParamsComparator implements Comparator<String> {
@Override
public int compare(String lhs, String rhs) {
return lhs.compareTo(rhs);
}
}
public static byte[] hmacSHA1Signature(String accessKeySecret, String stringToSign) {
try {
String key = accessKeySecret + "&";
try {
SecretKeySpec signKey = new SecretKeySpec(key.getBytes(), "HmacSHA1");
Mac mac = Mac.getInstance("HmacSHA1");
mac.init(signKey);
return mac.doFinal(stringToSign.getBytes());
} catch (Exception e) {
throw new SignatureException("Failed to generate HMAC : " + e.getMessage());
}
} catch (SignatureException e) {
e.printStackTrace();
}
return null;
}
public static String newStringByBase64(byte[] bytes)
throws UnsupportedEncodingException {
if (bytes == null || bytes.length == 0) {
return null;
}
return new String(new BASE64Encoder().encode(bytes));
}
/*特殊字符替换为转义字符*/
public static String percentEncode(String value) {
try {
String urlEncodeOrignStr = URLEncoder.encode(value, "UTF-8");
String plusReplaced = urlEncodeOrignStr.replace("+", "%20");
String starReplaced = plusReplaced.replace("*", "%2A");
String waveReplaced = starReplaced.replace("%7E", "~");
return waveReplaced;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return value;
}
/*生成当前UTC时间戳Time*/
public static String generateTimestamp() {
Date date = new Date(System.currentTimeMillis());
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
df.setTimeZone(new SimpleTimeZone(0, "GMT"));
return df.format(date);
}
/*生成随机数SignatureNonce*/
public static String generateRandom() {
String signatureNonce = UUID.randomUUID().toString();
return signatureNonce;
}
}
httpUtils.java
请求工具类
package com.meeno.framework.util;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.google.common.collect.Lists;
import com.meeno.encryptionmodule.testPaper.service.TestpaperServiceImpl;
import com.meeno.wzq.config.PlatformServerConfig;
import com.meeno.wzq.constants.EncryptionConstants;
import com.meeno.wzq.constants.PlatformUrlEnum;
import org.apache.http.*;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.HttpRequestRetryHandler;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.protocol.HttpClientContext;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.protocol.HttpContext;
import java.io.*;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URI;
import java.net.UnknownHostException;
import java.util.*;
/**
* @Auther: Wzq
* @Date: 2019/4/2 11:20
* @Description: 得不到的永远在骚动，被偏爱的都有恃无恐。 -- HttpUtils
*/
public class HttpUtils {
private final static PoolingHttpClientConnectionManager poolConnManager = new PoolingHttpClientConnectionManager(); //连接池管理器
private final static HttpRequestRetryHandler httpRequestRetryHandler = new HttpRequestRetryHandler() { //retry handler
public boolean retryRequest(IOException exception,
int executionCount, HttpContext context) {
if (executionCount >= 5) {
return false;
}
if (exception instanceof NoHttpResponseException) {
return true;
}
if (exception instanceof InterruptedIOException) {
return false;
}
if (exception instanceof UnknownHostException) {
return false;
}
if (exception instanceof ConnectTimeoutException) {
return false;
}
HttpClientContext clientContext = HttpClientContext
.adapt(context);
HttpRequest request = clientContext.getRequest();
if (!(request instanceof HttpEntityEnclosingRequest)) {
return true;
}
return false;
}
};
static { //类加载的时候 设置最大连接数 和 每个路由的最大连接数
poolConnManager.setMaxTotal(200000);
poolConnManager.setDefaultMaxPerRoute(100000);
}
/**
* ########################### core code#######################
* @return
*/
private static CloseableHttpClient getCloseableHttpClient() {
CloseableHttpClient httpClient = HttpClients.custom()
.setConnectionManager(poolConnManager)
.setRetryHandler(httpRequestRetryHandler)
.build();
return httpClient;
}
/**
* 封装HTTP GET方法
* 有参数的Get请求
* @param
* @param
* @return
* @throws ClientProtocolException
* @throws java.io.IOException
*/
public static String getAjax(String url, Map<String, String> paramMap) throws ClientProtocolException, IOException {
HttpClient httpClient = getCloseableHttpClient();
HttpGet httpGet = new HttpGet();
List<NameValuePair> formparams = setHttpParams(paramMap);
String param = URLEncodedUtils.format(formparams, "UTF-8");
httpGet.setURI(URI.create(url + "?" + param));
HttpResponse response = httpClient.execute(httpGet);
String httpEntityContent = getHttpEntityContent(response);
httpGet.abort();
return httpEntityContent;
}
/**
* 封装HTTP GET方法
* 有参数的Get请求
* @param
* @param
* @return
* @throws ClientProtocolException
* @throws java.io.IOException
*/
public static String get(String url, Map<String, String> paramMap) throws ClientProtocolException, IOException {
paramMap = getParamsData(paramMap);
HttpClient httpClient = getCloseableHttpClient();
HttpGet httpGet = new HttpGet();
List<NameValuePair> formparams = setHttpParams(paramMap);
String param = URLEncodedUtils.format(formparams, "UTF-8");
httpGet.setURI(URI.create(url + "?" + param));
HttpResponse response = httpClient.execute(httpGet);
String httpEntityContent = getHttpEntityContent(response);
httpGet.abort();
return httpEntityContent;
}
/**
* 封装HTTP GET方法
* 无参数的Get请求
* @param
* @return
* @throws ClientProtocolException
* @throws java.io.IOException
*/
public static String get(String url) throws ClientProtocolException, IOException {
//首先需要先创建一个DefaultHttpClient的实例
HttpClient httpClient = new DefaultHttpClient();
//先创建一个HttpGet对象,传入目标的网络地址,然后调用HttpClient的execute()方法即可:
HttpGet httpGet = new HttpGet();
httpGet.setURI(URI.create(url));
HttpResponse response = httpClient.execute(httpGet);
String httpEntityContent = getHttpEntityContent(response);
httpGet.abort();
return httpEntityContent;
}
/**
* 获得响应HTTP实体内容
* @param response
* @return
* @throws java.io.IOException
* @throws java.io.UnsupportedEncodingException
*/
private static String getHttpEntityContent(HttpResponse response) throws IOException, UnsupportedEncodingException {
//通过HttpResponse 的getEntity()方法获取返回信息
HttpEntity entity = response.getEntity();
if (entity != null) {
InputStream is = entity.getContent();
BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));
String line = br.readLine();
StringBuilder sb = new StringBuilder();
while (line != null) {
sb.append(line + "\n");
line = br.readLine();
}
br.close();
is.close();
return sb.toString();
}
return "";
}
/**
* 封装支付HTTP POST方法
* @param
* @param
* @return
* @throws ClientProtocolException
* @throws java.io.IOException
*/
public static String postPayMsg(String url, Map<String, String> paramMap) throws ClientProtocolException, IOException {
HttpClient httpClient = new DefaultHttpClient();
httpClient.getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT, 5000);
httpClient.getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 3000);
HttpPost httpPost = new HttpPost(url);
paramMap = getParamsData(paramMap);
List<NameValuePair> formparams = setHttpParams(paramMap);
UrlEncodedFormEntity param = new UrlEncodedFormEntity(formparams, "UTF-8");
//通过setEntity()设置参数给post
httpPost.setEntity(param);
//利用httpClient的execute()方法发送请求并且获取返回参数
HttpResponse response = httpClient.execute(httpPost);
String httpEntityContent = getHttpEntityContent(response);
httpPost.abort();
return httpEntityContent;
}
/**
* 设置请求参数
* @param
* @return
*/
private static List<NameValuePair> setHttpParams(Map<String, String> paramMap) {
List<NameValuePair> formparams = new ArrayList<NameValuePair>();
Set<Map.Entry<String, String>> set = paramMap.entrySet();
for (Map.Entry<String, String> entry : set) {
formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
return formparams;
}
public static Map<String,String> getParamsData(Map<String,String> paramsMap){
Map<String,String> params = new HashMap<>();
String dataJson = JSONObject.toJSONString(paramsMap);
params.put("Data",dataJson);
return params;
}
/**
* @描述: 获取http请求的JSONObject
* @参数: [jsonStr]
* @返回值: com.alibaba.fastjson.JSONObject
* @创建人 WZQ
* @创建时间: 11:38 2019/4/2
*/
public static JSONObject getResponseJson(String jsonStr){
JSONObject jsonObject = JSONObject.parseObject(jsonStr);
return jsonObject;
}
/**
* @描述: 获取新增返回的data id
* @参数: [jsonStr]
* @返回值: java.lang.Long
* @创建人 WZQ
* @创建时间: 11:38 2019/4/2
*/
public static Long getResponseData(String jsonStr){
return JSONObject.parseObject(jsonStr).getLong("data");
}
/**
* @描述: 执行获取Id
* @参数: [url, paramsMap]
* @返回值: java.lang.Long
* @创建人 WZQ
* @创建时间: 17:24 2019/4/2
*/
/* public static Long executeHttpGetId(String url,Map<String,String> paramsMap){
// JSONObject jsonObject = executeHttp(url,paramsMap);
System.out.println(url);
String getStr = null;
try {
getStr = get(url,paramsMap);
} catch (IOException e) {
e.printStackTrace();
}
return JSONObject.parseObject(getStr).getLong("data");
}*/
/**
* @描述: 执行返回JSONArr
* @参数: [utl, paramsMap]
* @返回值: java.lang.String
* @创建人 WZQ
* @创建时间: 17:17 2019/4/2
*/
public static JSONArray executeHttpGetResultArr(String url, Map<String,String> paramsMap){
System.out.println(url);
String getStr = null;
try {
getStr = get(url,paramsMap);
} catch (IOException e) {
e.printStackTrace();
}
return JSONObject.parseObject(getStr).getJSONArray("data");
}
public static JSONArray executeHttpGetResultArr(PlatformUrlEnum url, Map<String,String> paramsMap){
System.out.println(url);
String getStr = null;
try {
getStr = postPayMsg(PlatformServerConfig.baseUrl+url.getUrl(),paramsMap);
} catch (IOException e) {
e.printStackTrace();
}
return JSONObject.parseObject(getStr).getJSONArray("data");
}
public static void executeHttpNoReturn(String url,Map<String,String> paramsMap){
System.out.println(url);
String getStr = null;
try {
getStr = get(url,paramsMap);
} catch (IOException e) {
e.printStackTrace();
}
//JSONObject jsonObject = JSONObject.parseObject(getStr);
}
/**
* @描述: 执行返回JSON
* @参数: [utl, paramsMap]
* @返回值: java.lang.String
* @创建人 WZQ
* @创建时间: 17:17 2019/4/2
*/
public static JSONObject executeHttpGetResult(String url,Map<String,String> paramsMap){
System.out.println(url);
String getStr = null;
try {
getStr = get(url,paramsMap);
} catch (IOException e) {
e.printStackTrace();
}
JSONObject jsonObject = JSONObject.parseObject(getStr);
return jsonObject.getJSONObject("data");
}
public static JSONObject executeHttpGetResult(PlatformUrlEnum url, Map<String,String> paramsMap){
System.out.println(url);
String getStr = null;
try {
getStr = get(PlatformServerConfig.baseUrl+url.getUrl(),paramsMap);
} catch (IOException e) {
e.printStackTrace();
}
return JSONObject.parseObject(getStr).getJSONObject("data");
}
/**
* @描述:
* @参数: [url, paramsMap]
* @返回值: com.alibaba.fastjson.JSONObject
* @创建人 WZQ
* @创建时间: 15:44 2019/4/8
*/
/* public static JSONObject execute(String url,Map<String,String> paramsMap){
System.out.println(url);
String getStr = null;
try {
getStr = get(url,paramsMap);
} catch (IOException e) {
e.printStackTrace();
}
return JSONObject.parseObject(getStr);
}
*/
/**
* @描述: 执行获取Id
* @参数: [url, paramsMap]
* @返回值: java.lang.Long
* @创建人 WZQ
* @创建时间: 17:24 2019/4/2
*/
public static Long executeHttpGetId(String url,Map<String,String> paramsMap){
Map<String,Object> tempMap = EncryptionConstants.encryptionConstantsMap.get(url);
Method method = (Method) tempMap.get("method");
Object obj = tempMap.get("object");
List params = Lists.newArrayList();
for(String key : paramsMap.keySet()){
String value = paramsMap.get(key);
if(value!=null&&(key.toLowerCase().equals("id")||key.toLowerCase().equals("indexid"))){
Long tempVal = Long.valueOf(value);
params.add(tempVal);
}else{
if("null".equals(value)){
params.add(null);
}else{
params.add(value);
}
}
}
Object object = null;
try {
/*LocalVariableTableParameterNameDiscoverer u =
new LocalVariableTableParameterNameDiscoverer();
String[] params1 = u.getParameterNames(method);
String name = method.getParameters()[0].getName();*/
object = method.invoke(obj,params.toArray());
} catch (Exception e) {
e.printStackTrace();
MeenoAssert.notTrue(true,"加密数据发生错误!");
}
return ((JSONObject)object).getLong("id");
}
/**
* @描述: 执行返回JSON
* @参数: [utl, paramsMap]
* @返回值: java.lang.String
* @创建人 WZQ
* @创建时间: 17:17 2019/4/2
*/
public static JSONObject executeHttp(String url,Map<String,String> paramsMap){
Map<String,Object> tempMap = EncryptionConstants.encryptionConstantsMap.get(url);
Method method = (Method) tempMap.get("method");
Object obj = tempMap.get("object");
List params = Lists.newArrayList();
for(String key : paramsMap.keySet()){
String value = paramsMap.get(key);
if(value!=null&&(key.toLowerCase().equals("id")||key.toLowerCase().equals("indexid"))){
Long tempVal = Long.valueOf(value);
params.add(tempVal);
}else{
if("null".equals(value)){
params.add(null);
}else{
params.add(value);
}
}
}
Object object = null;
try {
object = method.invoke(obj,params.toArray());
} catch (Exception e) {
e.printStackTrace();
MeenoAssert.notTrue(true,"加密数据发生错误!");
}
return ((JSONObject)object);
}
/**
* @描述:
* @参数: [url, paramsMap]
* @返回值: com.alibaba.fastjson.JSONObject
* @创建人 WZQ
* @创建时间: 15:44 2019/4/8
*/
public static JSONObject execute(String url,Map<String,String> paramsMap){
Map<String,Object> tempMap = EncryptionConstants.encryptionConstantsMap.get(url);
Method method = (Method) tempMap.get("method");
Object obj = tempMap.get("object");
List params = Lists.newArrayList();
for(String key : paramsMap.keySet()){
String value = paramsMap.get(key);
if(value!=null&&(key.toLowerCase().equals("id")||key.toLowerCase().equals("indexid"))){
Long tempVal = Long.valueOf(value);
params.add(tempVal);
}else{
if("null".equals(value)){
params.add(null);
}else{
params.add(value);
}
}
}
Object object = null;
try {
object = method.invoke(obj,params.toArray());
} catch (Exception e) {
e.printStackTrace();
MeenoAssert.notTrue(true,"加密数据发生错误!");
}
return ((JSONObject)object);
}
}
VideoUtils.java
videoUtils获取视频信息工具类
package com.meeno.wzq.alibaba.video;
import com.google.common.collect.Maps;
import com.meeno.framework.util.HttpUtils;
import com.meeno.wzq.alibaba.signature.SignatureUtils;
import java.io.IOException;
import java.util.List;
import java.util.Map;
/**
* @description: videoUtils获取视频信息工具类
* @author: Wzq
* @create: 2020-01-14 19:31
*/
public class VideoUtils {
/**
*@Description 获取签名结果
*@Param [accessKeyId, accessKeySecret, videoId]
*@Return java.lang.String
*@Author Wzq
*@Date 2020/1/14
*@Time 19:30
*/
public static String getVideoInfo(String accessKeyId,String accessKeySecret,String videoId) throws IOException {
String timestamp = SignatureUtils.generateTimestamp();
String signatureNonce = SignatureUtils.generateRandom();
//1.1. 构造规范化的请求字符串
Map<String, String> privateParams = Maps.newLinkedHashMap();
privateParams.put("Action","GetVideoInfo");
privateParams.put("VideoId", videoId);
Map<String, String> publicParams = Maps.newLinkedHashMap();
publicParams.put("Timestamp",timestamp);
publicParams.put("Format","JSON");
publicParams.put("AccessKeyId",accessKeyId);
publicParams.put("SignatureMethod", "HMAC-SHA1");
publicParams.put("SignatureNonce",signatureNonce);
publicParams.put("Version", "2017-03-21");
publicParams.put("SignatureVersion","1.0");
List<String> allParams = SignatureUtils.getAllParams(publicParams, privateParams);
String canonicalizedQueryString = SignatureUtils.getCQS(allParams);
//1.2. 构造待签名的字符串
/*构造待签名的字符串*/
String StringToSign = "GET" + "&" + SignatureUtils.percentEncode("/") + "&" + SignatureUtils.percentEncode(canonicalizedQueryString);
//1.3. 计算待签名字符串的HMAC值
byte[] bytes = SignatureUtils.hmacSHA1Signature(accessKeySecret, StringToSign);
//1.4. 编码得到最终签名值
//按照 Base64 编码规则将1.3中计算得到的HMAC值编码成字符串，得到最终签名值（Signature）。
String signature = SignatureUtils.newStringByBase64(bytes);
// log.info("-------------"+signature);
Map<String,String> videoInfoMap = Maps.newLinkedHashMap();
videoInfoMap.put("Action","GetVideoInfo");
videoInfoMap.put("VideoId", videoId);
videoInfoMap.put("Format","JSON");
videoInfoMap.put("AccessKeyId",accessKeyId);
videoInfoMap.put("Signature",signature);
videoInfoMap.put("SignatureMethod","HMAC-SHA1");
videoInfoMap.put("SignatureVersion","1.0");
videoInfoMap.put("SignatureNonce",signatureNonce);
videoInfoMap.put("Timestamp", timestamp);
videoInfoMap.put("Version","2017-03-21");
//调用http get请求
String resultStr = HttpUtils.getAjax("http://vod.cn-shanghai.aliyuncs.com", videoInfoMap);
// log.info(s);
return resultStr;
}
}
调用获取视频点播工具类获取videoinfo
controller层代码如下:
/**
*@Description 获取视频点播的视频信息
*@Param [session, request, response, data]
*@Return void
*@Author Wzq
*@Date 2020/1/14
*@Time 19:34
*/
@RequestMapping(value = "getVideoInfo.action")
public void getVideoInfo(final HttpSession session,
final HttpServletRequest request,
final HttpServletResponse response,
@RequestParam(value = "Data") String data) throws IOException {
JSONObject jsonObject = JSONObject.parseObject(data);
//视频点播videoId
String videoId = jsonObject.getString("videoId");
Bank indexBank = this.enterpriseDao.getEnterprise().getIndexBank();
String accessKeyId = "";
String accessKeySecret = "";
String videoInfo = VideoUtils.getVideoInfo(accessKeyId, accessKeySecret, videoId);
JSONObject resultJson = null;
if(videoInfo != null && !videoInfo.isEmpty()){
resultJson = JSONObject.parseObject(videoInfo);
}
CommonUtil.toJson(response, new ResponseBean(Constant.RESPONSE_SUCCESS,"",resultJson));
}
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