PHP之抖音无水印解析源码

电玩女神 2024-04-17 20:26 182阅读 0赞

<?php
    
    header("Content-Type:text/json;charset=utf-8");
    error_reporting(0);
    $url = @$_GET['url'];//抖音视频地址
    $isFormat = @$_GET['isFormat'];//是否格式化数据，默认true
    $old = @$_GET['old'];//是否使用旧版数据格式，默认false
    class Douyin
    {
        private $UA = "Mozilla/5.0 (Linux; Android 8.0.0; MI 6 Build/OPR1.170623.027; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36";
        private function getSubstr($str, $leftStr, $rightStr)
        {
            $left = strpos($str, $leftStr);
            $right = strpos($str, $rightStr, $left);
            if ($left < 0 or $right < $left) return '';
            return substr($str, $left + strlen($leftStr), $right - $left - strlen($leftStr));
        }
        private function getAwemeId($link, $UA)
        {
            $link = ltrim($link);//移除左侧空白字符
            if (strstr($link, 'http://v.douyin.com/')) {
                $context = stream_context_create(array('http' => array('header' => 'User-Agent:' . $UA)));
                $html_text = file_get_contents($link, 0, $context);
                $str = $this->getSubstr($html_text, "itemId: \"", "\",");
                if (!strstr($html_text, "itemId: ")) {
                    return false;
                }
                return $str;
            }//短链接支持
            if (strstr($link, "https://www.iesdouyin.com")) {//长链接
                $str = $this->getSubstr($link, "video/", "/?");
                return $str;
            }//长链接支持
            return false;
        }
        private function getOutPutForError($errorMes, $old)
        {
            if ($old) {
                $error = [
                    'status' => false,
                    'message' => $errorMes
                ];
                return json_encode($error);
            } else {
                $error = [
                    'status' => false,
                    'errorMes' => $errorMes
                ];
                return json_encode($error);
            }
        }
        private function getFormatVideoData($data)
        {
            $detail = @$data;
            $info = @$detail['share_info'];//视频分享信息
            $aweme_id = @$detail['aweme_id'];
            $user_name = @$detail['author']['nickname'];//作者昵称
            $shortId = @$detail['author']['short_id'];//作者抖音号
            $user_headImg = @$detail['author']['avatar_medium']['url_list'][0];//作者头像
            $image = @$detail['video']['origin_cover']['url_list'][0];//封面图片
            $urls = @$detail['video']['play_addr']['url_list'];//无水印地址
            $music_urls = @$detail['music']['play_url']['url_list'];//音乐地址
            $userId = @$detail['author_user_id'];//用户userId
            $dynamic_cover = @$detail['video']['dynamic_cover']['url_list'][0];//封面动态图地址
            $longVideo = @$detail['long_video'][0]['video']['bit_rate'];//长视频
            if (!$longVideo) {
                $longVideo = [];
            }
            $videoData = [
                'nickname' => $user_name,
                'shortId' => $shortId,
                'userId' => $userId,
                'awemeId' => $aweme_id,
                'headImage' => $user_headImg,
                'image' => $image,
                'dynamic_cover' => $dynamic_cover,
                'urls' => $urls,
                'long_video' => $longVideo,
                'music_urls' => $music_urls,
                'info' => $info,
            ];
            return $videoData;
        }
        private function getDevices()
        {
            return explode("\n", str_replace("\r", "", file_get_contents("./douyinDevice.txt")));//去除回车\r
        }
        private function getVersions()
        {
            return [
                '680' => '6.8.0',
                '251' => '2.5.1',
                '140' => '1.4.0'
            ];
        }
        private function getApis($deviceInfos, $api_n, &$api_positions)
        {
            $versions = $this->getVersions();
            //$base_api="https://aweme.snssdk.com/aweme/v1/aweme/detail/?origin_type=link&retry_type=no_retry&{device_info}&ac=wifi&channel=update&aid=1128&app_name=aweme&version_code={version_code}&version_name={version_name}&device_platform=android&ssmix=a&device_type=MI+8&device_brand=xiaomi&language=zh&os_api=22&os_version=5.1.1&uuid=865166029463703&openudid=ec6d541a2f7350cd&manifest_version_code=251&resolution=1080*1920&dpi=480&update_version_code=2512&ts=1561136204&as=a1e500706c54fd8c8d&cp=004ad55fc8d60ac4e1&aweme_id=";
            $apis = [];
            $rand_devices = [];//随机设备信息
            $devices_size = sizeof($deviceInfos);//实际设备信息条数
            $real_size = $devices_size < $api_n ? $devices_size : $api_n;//最终获取的设备信息数量
            //获取随机设备信息
            for ($i = 0; $i < $real_size;) {
                try {
                    $rand = random_int(0, sizeof($deviceInfos) - 1);
                    $rand_device = $deviceInfos[$rand];
                    if (key_exists($rand_device, $rand_devices)) {
                        continue;
                    } else {
                        $rand_devices[] = $rand_device;
                        $i++;
                    }
                } catch (Exception $e) {
                    exit($this->getOutPutForError("PHP随机数错误"));
                }
                if($rand_device!=""){
                    $api_positions[]=$rand;
                }else{
                    $api_positions[]=999;
                }
            }
            //生成API
            foreach ($versions as $version_code => $version_name) {
                $version_apis = [];
                foreach ($rand_devices as $device) {
                    $version_apis[] = "https://aweme.snssdk.com/aweme/v1/aweme/detail/?origin_type=link&retry_type=no_retry&$device&ac=wifi&channel=update&aid=1128&app_name=aweme&version_code=$version_code&version_name=$version_name&device_platform=android&ssmix=a&device_type=MI+8&device_brand=xiaomi&language=zh&os_api=22&os_version=5.1.1&uuid=865166029463703&openudid=ec6d541a2f7350cd&manifest_version_code=$version_code&resolution=1080*1920&dpi=480&update_version_code=2512&ts=1561136204&as=a1e500706c54fd8c8d&cp=004ad55fc8d60ac4e1&aweme_id=";
                }
                $apis[$version_code] = $version_apis;
            }
            return $apis;
        }
        /**
         * @param $url
         * @param $isFormat
         * @param $old
         * @return false|string
         */
        private function parseVideoByLink($url, $isFormat, $old)
        {
            $awemeId = $this->getAwemeId($url, $this->UA);
            $api_positions = [];//记录device位置
            $api_positions_error = [];//记录哪一个出错
            $api_version = '';//记录使用哪一个版本API
            $api_n = 4;//控制每次取得的设备信息数量
            $deviceInfos = $this->getDevices();
            $versions_apis = $this->getApis($deviceInfos, $api_n, $api_positions);
            if(!$versions_apis) return $this->getOutPutForError("设备信息缺失",$old);
            $header = array("Accept-Encoding: utf-8",
                "User-Agent: okhttp/3.10.0.1"
            );
            $context = stream_context_create(array("http" => array("header" => $header)));
            if ($awemeId) {
                $isSuccess = false;
                foreach ($versions_apis as $version_code => $apis) {
                    $count = -1;
                    $api_version = $version_code;
                    $api_positions_error_version = [];//记录每个版本出错API
                    foreach ($apis as $api) {
                        $count++;
                        $api_position = $api_positions[$count];
                        $data = json_decode(file_get_contents($api . $awemeId, 0, $context), true);
                        $detail = @$data['aweme_detail'];
                        $forward_item=@$detail['forward_item'];
                        if($detail&&$forward_item){//用户动态的分享链接
                            $detail=$forward_item;
                        }
                        $short_id=@$detail['author']['short_id'];
                        if ($detail && $short_id) {
                            $isSuccess = true;
                            break;
                        }
                        $api_positions_error_version[] = $api_position;
                    }
                    $api_positions_error[$version_code] = $api_positions_error_version;
                    if ($isSuccess) {
                        break;
                    }
                }
                $str_position = null;//储存失败接口位置
                foreach ($api_positions_error as $version_code => $eps) {
                    if (!empty($eps))
                        $str_position .= '{' . $version_code . ':';
                    foreach ($eps as $ep) {
                        $str_position .= "[$ep]";
                    }
                    if (!empty($eps))
                        $str_position .= '}';
                }
                if (!$isSuccess) {
                    return $this->getOutPutForError("抖音接口调用失败$str_position", $old);
                }
                if($old){
                    if($isFormat) {
                        $out = $this->getFormatVideoData($detail);
                    }else{
                        $out['data']=$detail;
                    }
                    $out['status']=true;
                    $out['message']=$url;
                    $out['api_position']=$api_position;
                    $out['error_api']=$str_position;
                    $out['api_version']=$api_version;
                    $out['dataType_new']=!$old;
                    return json_encode($out);
                }else{
                    $out=[
                        'status'=>true,
                        'message'=>$url,
                        'data'=>null,
                        'api_position'=>$api_position,
                        'api_version'=>$api_version,
                        'dataType_new'=>!$old,
                        'error_api'=>$str_position
                    ];
                    if($isFormat) {
                        $out['data'] = $this->getFormatVideoData($detail);
                    }else{
                        $out['data']=$detail;
                    }
                    return json_encode($out);
                }
            }
            return $this->getOutPutForError('链接不正确', $old);
        }
        private function checkParams($url, &$isFormat, &$old)
        {
            if (empty($url)) return false;
            if ($isFormat == null) $isFormat = true;
            if ($old == null) $old = false;
            return true;
        }
        function get($url, $isFormat, $old)
        {
            $pass = $this->checkParams($url, $isFormat, $old);
            if (!$pass)
                return $this->getOutPutForError("地址无效", $old);
            else
                return $this->parseVideoByLink($url, $isFormat, $old);
        }
    }
    $douyin = new Douyin();
    echo $douyin->get($url, $isFormat, $old);

原文地址：  
https://github.com/zbfzn/douyin-clear-php/blob/master/parseByLink.php