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喜马拉雅jssdk接入demo JAVA版

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package com.changshin.himalaya;


import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.security.InvalidKeyException;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.util.*;

import cn.hutool.json.JSONObject;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.digest.DigestUtils;
import org.springframework.http.*;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.util.StringUtils;
import org.springframework.web.client.RestTemplate;

import javax.crypto.spec.SecretKeySpec;
import javax.crypto.Mac;

public class SignatureDemo {
    private static final String DEFAULT_ENCODING = "UTF-8";
    private static final String HMAC_SHA1 = "HmacSHA1";


    private static final String APP_KEY = "d6ee8fea9256c259af9cae4499722cd5";

    private static final String APP_SECRET = "780ac99bd0654912760b4a7277fcdd2f";

    private static final String REDIRECT_URL = "http://api.ximalaya.com/openapi-collector-app/get_access_token";

    /**
     * 生成签名
     *
     * @param args
     * @throws Exception
     */
    public static void main(String[] args) throws Exception {
        Map<String, String> paramsMap = new LinkedHashMap<String, String>();
        String accesstoken = buildAccessToken();
        String ticket = buildTicket(accesstoken);
        paramsMap.put("js_ticket", ticket);
        String nonce = UUID.randomUUID().toString();
        paramsMap.put("nonce", nonce);
        Date date = new Date();
        String timestamp = String.valueOf(date.getTime());
        paramsMap.put("timestamp", timestamp);
        paramsMap.put("url", "http://xmly.work/jssdk-demo/jsdebug/?id=cl9u0");

        String appSecret = APP_SECRET;
        String serverAuthStaticKey = "z0hh5l9A";
        String seed = appSecret + serverAuthStaticKey;
        String sig = caculateSignature(paramsMap, seed);
        System.out.println("calculate signature: " + sig);
        System.out.println("timestamp:" + timestamp + ",nonce:" + nonce + ",signature:" + sig);
    }


    public static String buildAccessToken() throws UnsupportedEncodingException, NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
        RestTemplate himalayaRestTemplate = new RestTemplate(RestTemplateConfig.skipSslCheckHttpRequestFactory());
        String requestUrl = "https://api.ximalaya.com/oauth2/js/access_token";
        String redirectUrl = "https://www.baidu.com.cn";
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
        MultiValueMap<String, String> request = new LinkedMultiValueMap<>();
        request.add("client_id", APP_KEY);
        request.add("client_secret", APP_SECRET);
        request.add("grant_type", "js_client_credentials");
        request.add("device_id", "app_jssdk_device");
        String urlEncoderStr = URLEncoder.encode(REDIRECT_URL, "UTF-8");
        String parseStr = URLDecoder.decode("http%3a%2f%2fapi.ximalaya.com%2fopenapi-collector-app%2fget_access_token", "UTF-8");

        System.out.println(parseStr);
        request.add("redirect_uri", urlEncoderStr);
        request.add("nonce", UUID.randomUUID().toString());
        Date date = new Date();
        request.add("timestamp", String.valueOf(date.getTime()));
        HttpEntity<MultiValueMap<String, String>> requestEntity = new HttpEntity<MultiValueMap<String, String>>(request, headers);

        ResponseEntity<String> stringResponseEntity = himalayaRestTemplate.exchange(requestUrl, HttpMethod.POST, requestEntity, String.class);
        String body = stringResponseEntity.getBody();
        JSONObject jsonObject = new JSONObject(body);
        System.out.println(body.toString());
        return jsonObject.get("access_token").toString();
    }

    public static String buildTicket(String accessToken) throws NoSuchAlgorithmException, KeyStoreException, KeyManagementException, UnsupportedEncodingException {
        RestTemplate himalayaRestTemplate = new RestTemplate(RestTemplateConfig.skipSslCheckHttpRequestFactory());
        String requestUrl = "https://api.ximalaya.com/oauth2/js/ticket";
        String redirectUrl = "https://www.baidu.com.cn";
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
        MultiValueMap<String, String> request = new LinkedMultiValueMap<>();
        request.add("client_id", APP_KEY);
        request.add("client_secret", APP_SECRET);
        request.add("access_token", accessToken);
        request.add("device_id", "app_jssdk_device");
        String urlEncoderStr = URLEncoder.encode(REDIRECT_URL, "UTF-8");
        String parseStr = URLDecoder.decode("http%3a%2f%2fapi.ximalaya.com%2fopenapi-collector-app%2fget_access_token", "UTF-8");

        System.out.println(parseStr);
        request.add("redirect_uri", urlEncoderStr);
        request.add("nonce", UUID.randomUUID().toString());
        Date date = new Date();
        request.add("timestamp", String.valueOf(date.getTime()));
        HttpEntity<MultiValueMap<String, String>> requestEntity = new HttpEntity<MultiValueMap<String, String>>(request, headers);

        ResponseEntity<String> stringResponseEntity = himalayaRestTemplate.exchange(requestUrl, HttpMethod.POST, requestEntity, String.class);
        String body = stringResponseEntity.getBody();
        JSONObject jsonObject = new JSONObject(body);
        System.out.println(body.toString());
        return jsonObject.get("js_ticket").toString();
    }

    /**
     * 璁$畻鍙傛暟鐨勭鍚嶅€� demo
     *
     * @param paramsMap
     * @param seed:     seed鍗充负app_secret+serverAuthenticateStaticKey
     * @return
     * @throws NoSuchAlgorithmException
     * @throws InvalidKeyException
     * @throws UnsupportedEncodingException
     */
    public static String caculateSignature(Map<String, String> paramsMap, String seed) throws InvalidKeyException, NoSuchAlgorithmException, UnsupportedEncodingException {
        if (paramsMap == null || paramsMap.isEmpty() || StringUtils.isEmpty(seed)) {
            throw new IllegalArgumentException("paramsMap and seed should not empty");
        }

        if (!(paramsMap instanceof TreeMap<?, ?>)) {
            paramsMap = new TreeMap<String, String>(paramsMap);
        }
        StringBuilder paramsBuilder = new StringBuilder();
        for (Map.Entry<String, String> entry : paramsMap.entrySet()) {
            paramsBuilder.append(entry.getKey());
            paramsBuilder.append("=");
            paramsBuilder.append(entry.getValue());
            paramsBuilder.append("&");
        }
        System.out.println(paramsBuilder.toString());
        paramsBuilder.deleteCharAt(paramsBuilder.length() - 1);
        String paramsEncodedStr = base64Encode(paramsBuilder.toString());
        String sig = hmacSHA1ToStr(paramsEncodedStr, seed);
//    LOG.debug(String.format("caculateSignature, paramsMap: %s, paramsEncodedStr: %s, seed: %s, caculated sig: %s", paramsMap, paramsEncodedStr,
//          seed, sig));
        return sig;
    }

    /**
     * HMAC SHA1绛惧悕鎴栨憳瑕佺畻娉�
     *
     * @param data
     * @param key
     * @return
     * @throws InvalidKeyException
     * @throws NoSuchAlgorithmException
     */
    private static String hmacSHA1ToStr(String data, String key) throws InvalidKeyException, NoSuchAlgorithmException {
        if (data == null || key == null) {
            return null;
        }
        return hmacSHA1ToStr(data.getBytes(), key.getBytes());
    }

    /**
     * HMAC SHA1绛惧悕鎴栨憳瑕佺畻娉�
     *
     * @param data 寰呮憳瑕佺殑瀛楄妭鏁版嵁
     * @param key  浣跨敤鐨刱ey
     * @return
     * @throws NoSuchAlgorithmException
     * @throws InvalidKeyException
     */
    private static String hmacSHA1ToStr(byte[] data, byte[] key) throws NoSuchAlgorithmException, InvalidKeyException {
        return DigestUtils.md5Hex(hmacSHA1(data, key));
    }

    private static byte[] hmacSHA1(byte[] data, byte[] key) throws NoSuchAlgorithmException, InvalidKeyException {
        if (data == null || key == null) {
            return null;
        }

        SecretKeySpec signingKey = new SecretKeySpec(key, HMAC_SHA1);
        Mac mac = Mac.getInstance(HMAC_SHA1);
        mac.init(signingKey);
        return mac.doFinal(data);
    }

    /**
     * Base64缂栫爜
     *
     * @param data 瀛楃涓叉暟鎹�
     * @return
     * @throws UnsupportedEncodingException
     */
    private static String base64Encode(String data) throws UnsupportedEncodingException {
        if (data == null) {
            return null;
        }
        return Base64.encodeBase64String(data.getBytes(DEFAULT_ENCODING));
    }

}
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