获取私有m3u8播放地址

private static String appId = "123456789";
private static String bucket = "demo-123456789";
private static String objectKey = "test.m3u8";
private static String expires = "3600"; //单位为秒，可自行调整token方法
private static byte[] secret = "YourSecret".getBytes();

public static String  generateCosDomainPrivateM3U8Url(COSClient client) throws UnsupportedEncodingException {
    PrivateM3U8Request request = new PrivateM3U8Request();
    request.setBucketName(bucket);
    request.setObject(objectKey);
    request.setExpires(expires);
    request.setTokenType("JwtToken");
    String token = generateToken(appId, bucket, objectKey, secret,expires);
    request.setToken(token);
    return client.generateCosDomainPrivateM3U8Url(request);
}

public static String generateToken(String appId, String bucketId, String objectKey, byte[] secret, String expires) throws UnsupportedEncodingException {
    Instant now = Instant.now();
    Instant expire = now.plus(Long.parseLong(expires), ChronoUnit.SECONDS);
    String encodedObjectKey;
    encodedObjectKey = URLEncoder.encode(objectKey, "UTF-8");

    Algorithm algorithm = Algorithm.HMAC256(secret);
    JWTCreator.Builder builder = JWT.create().withIssuer("client")
        .withIssuedAt(Date.from(now))
        .withExpiresAt(Date.from(expire))
        .withClaim("Type", "CosCiToken")
        .withClaim("AppId", appId)
        .withClaim("BucketId", bucketId)
        .withClaim("Object", encodedObjectKey)
        .withClaim("Issuer", "client")
        .withClaim("IssuedTimeStamp", now.getEpochSecond())
        .withClaim("ExpireTimeStamp", expire.getEpochSecond())
        .withClaim("UsageLimit", 20)
        .withClaim("ProtectSchema", "rsa1024")
//          .withClaim("PublicKey", "xxx")
        .withClaim("ProtectContentKey", 0);
    return builder.sign(algorithm);
}