bbdl/src/douyinVideo.js

A BiliBili & DouYin cli downloader

const qs = require("querystring");
const axios = require("axios").default;

module.exports = class DouyinVideo {
  constructor(url) {
    this._sharedLink = url;
  }

  async _getVideoID() {
    let res = await axios.get(this._sharedLink);
    let id = /\/(\d*)\//.exec(res.request.path)[1];
    return id;
  }

  async _getVideoInfo() {
    let res = await axios.get(
      `https://www.iesdouyin.com/web/api/v2/aweme/iteminfo/?item_ids=${this.videoID}`
    );
    return res.data.item_list[0];
  }

  async parse() {
    this.videoID = await this._getVideoID();
    this._videoInfo = await this._getVideoInfo();
    this.videoTitle = this._videoInfo.cha_list
      ? this._videoInfo.cha_list[0].cha_name
      : "";
    this.videoDesc = this._videoInfo.desc;
    this.videoDuration = this._videoInfo.duration;
    this.bgMusicUrl = this._videoInfo.music?.play_url.uri;
    this.videoCoverUrl = this._videoInfo.video.origin_cover.url_list[0];
    this.videoHeight = this._videoInfo.video.height;
    this.videoWidth = this._videoInfo.video.width;
    this.videoUrl = this._videoInfo.video.play_addr.url_list[0];
    this.videoNoWaterMaskUrl = this.videoUrl.replace("/playwm/", "/play/");
  }

  async _download(url) {
    let res = await axios.get(url, {
      responseType: "stream",
      headers: {
        "user-agent":
          "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1",
      },
    });
    return res.data;
  }

  async downloadVideo() {
    let res = await this._download(this.videoNoWaterMaskUrl);
    return res;
  }

  async downloadAudio() {
    let res = await this._download(this.bgMusicUrl);
    return res;
  }

  async downloadCover() {
    let res = await this._download(this.videoCoverUrl);
    return res;
  }
};