抖音视频去水印（抖音视频去水印保存）

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Java代码：

package com.manage.util;

import org.jsoup.Jsoup;

import java.io.BufferedInputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.util.HashMap;

import java.util.Map;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

/**

* DouYinQushuiyinUtil 抖音去水印

*

* @author <a href="morse.jiang@foxmail.com">JiangWen</a>

* @version 1.0.0, 2019/10/28 0028 13:56

*/

public class DouYinQushuiyinUtil {

private static final Pattern patternCompile = Pattern.compile("(?<=playAddr: \")https?://.+(?=\",)");

/**

* 去水印

* @param url

* @return

* @throws Exception

*/

public static byte[] qushuiyinToByte(String url) throws Exception {

return toByteArray(qushuiyinToStream(url));

}

public static InputStream qushuiyinToStream(String url) throws Exception {

// 过滤链接，获取http连接地址

String finalUrl = decodeHttpUrl(url);

// 利用Jsoup抓取抖音链接

// 抓取抖音网页

String htmls = Jsoup.connect(finalUrl).ignoreContentType(true).execute().body();

Matcher m = patternCompile.matcher(htmls);

// 利用Matcher中的group方法获取匹配的特定字符串

// 利用String的replace方法替换特定字符,得到抖音的去水印链接

String matchUrl = "";

while (m.find()) {

matchUrl = m.group(0).replaceAll("playwm", "play");

}

// 将链接封装成流

// 注:由于抖音对请求头有限制,只能设置一个伪装手机浏览器请求头才可实现去水印下载

Map<String, String> headers = new HashMap<>();

headers.put("Connection", "keep-alive");

headers.put("Host", "aweme.snssdk.com");

headers.put(

"User-Agent",

"Mozilla/5.0 (iPhone; CPU iPhone OS 12_1_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/16D57 Version/12.0 Safari/604.1"

);

// 利用Joup获取视频对象,并作封装成一个输入流对象(最大50m)

BufferedInputStream in = Jsoup.connect(matchUrl).headers(headers).timeout(10000).ignoreContentType(true).maxBodySize(50*1024*1024).execute()

.bodyStream();

return in;

}

private static String decodeHttpUrl(String url) {

Matcher matcher = Patterns.WEB_URL.matcher(url);

if (matcher.find()) {

return matcher.group();

}

return "";

}

private static byte[] toByteArray(InputStream input) throws IOException {

ByteArrayOutputStream output = new ByteArrayOutputStream();

byte[] buffer = new byte[1024 * 4];

int n = 0;

while (-1 != (n = input.read(buffer))) {

output.write(buffer, 0, n);

}

return output.toByteArray();

}

}