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Bob.Song
177
VideoDownload/Platforms/DouYin.cs
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177
VideoDownload/Platforms/DouYin.cs
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using System.ComponentModel;
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using System.Text.RegularExpressions;
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using Downloader;
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using Newtonsoft.Json;
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using RestSharp;
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namespace ACBuildService;
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public class DouYin : DownloadPlatforms
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{
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private static readonly Dictionary<string, string> _defaultHeaders = new()
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{
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{
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"User-Agent",
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"Mozilla/5.0 (Linux; Android 8.0.0; SM-G955U Build/R16NW) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Mobile Safari/537.36"
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},
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{ "sec-fetch-site", "same-origin" },
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{ "sec-fetch-mode", "cors" },
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{ "sec-fetch-dest", "empty" },
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{ "sec-ch-ua-platform", "Windows" },
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{ "sec-ch-ua-mobile", "?0" },
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{ "sec-ch-ua", "\"Not/A)Brand\";v=\"8\", \"Chromium\";v=\"126\", \"Google Chrome\";v=\"126\"" },
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{ "referer", "https://www.douyin.com/?recommend=1" },
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{ "priority", "u=1, i" },
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{ "pragma", "no-cache" },
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{ "cache-control", "no-cache" },
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{ "accept-language", "zh-CN,zh;q=0.9,en;q=0.8" },
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{
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"accept",
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"text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"
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},
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{ "dnt", "1" }
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};
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public async override Task<string> ExtractUrlAsync(string text)
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{
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Log.Info($"开始解析抖音链接 {text}");
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return Regex.Match(text, @"https?://[^\s]+").Value;
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}
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public override async Task<VideoModel> ParseShare(string DownloadUrlText)
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{
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if (!DownloadUrlText.Contains("https://"))
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{
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Log.Error("请输入正确的分享链接");
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return null;
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}
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var downloadUrl = await ExtractUrlAsync(DownloadUrlText);
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VideoModel Data = await ExtractVideoDataAsync(downloadUrl);
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Data.ShareId = downloadUrl.Replace("https://v.douyin.com/", "").Replace("/", "");
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return Data;
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}
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/// <summary>
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/// 根据链接 https://v.douyin.com/ircqoExo/ 解析出页面中的数据
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/// </summary>
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/// <param name="url"></param>
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/// <returns></returns>
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public override Task<VideoModel> ExtractVideoDataAsync(string url)
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{
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try
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{
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Log.Info($"开始解析链接 {url}");
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// 创建RestClient
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RestClient client = new(url);
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// 创建请求对象
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RestRequest request = new();
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// 设置 User-Agent 模拟手机浏览器
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request.AddHeaders(_defaultHeaders);
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// 发送请求并获取响应
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var response = client.Execute(request);
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if (!response.IsSuccessful) throw new HttpRequestException("request is fail");
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var content = response.Content;
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Log.Info($"开始解析响应内容 {content}");
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if (content is null) throw new InvalidDataException("content is null");
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const string routerDataPattern = @"_ROUTER_DATA\s*=\s*(\{.*?\})<";
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var matchJson = Regex.Match(content, routerDataPattern);
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Log.Info($"开始解析匹配到的json {matchJson}");
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if (matchJson.Groups.Count < 2) throw new InvalidDataException("未匹配到合法的数据，matchJson.Groups.Count < 2");
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var videoJson = matchJson.Groups[1].Value;
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Log.Info($"开始解析匹配到的json {videoJson}");
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// 反序列化JSON字符串为C#对象
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var videoData = JsonConvert.DeserializeObject<DouYinShareRouterData>(videoJson);
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if (videoData is null) throw new InvalidDataException("JSON解析数据为空，请检查分享链接是否正确，如有更多问题请查看日志");
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var videoInfoData = videoData.LoaderData.VideoIdPage.VideoInfoRes.ItemList.First();
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var video = new VideoModel
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{
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Platform = ShortVideoPlatformEnum.DouYin,
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VideoId = videoInfoData.AwemeId,
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AuthorName = videoInfoData.Author.Nickname,
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UniqueId = videoInfoData.Author.UniqueId == ""
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? videoInfoData.Author.ShortId
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: videoInfoData.Author.UniqueId,
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AuthorAvatar = videoInfoData.Author.AvatarThumb.UrlList.First().ToString(),
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Title = videoInfoData.Author.Signature,
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Cover = videoInfoData.Video.Cover.UrlList.Last().ToString(),
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Mp3Url = "",
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CreatedTime =
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DateTimeOffset.FromUnixTimeSeconds(videoInfoData.CreateTime)
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.ToString("yyyy-MM-dd HH:mm:ss"),
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Desc = videoInfoData.Desc,
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Duration = "",
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DiggCount = videoInfoData.Statistics.DiggCount,
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CollectCount = videoInfoData.Statistics.CollectCount,
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CommentCount = videoInfoData.Statistics.CommentCount,
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ShareCount = videoInfoData.Statistics.ShareCount
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};
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switch (videoInfoData.AwemeType)
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{
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case 2:
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video.VideoUrl = videoInfoData.Video.Cover.UrlList.First().ToString();
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break;
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default:
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video.VideoUrl = videoInfoData.Video.PlayAddr.UrlList.First().ToString().Replace("playwm", "play");
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break;
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}
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if (video.VideoUrl.Contains("ratio=720p"))
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{
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video.VideoUrl = video.VideoUrl.Replace("ratio=720p", "ratio=1080p");
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}
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return Task.FromResult(video);
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}
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catch (Exception e)
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{
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Log.Error(e.Message);
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throw;
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}
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}
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public override async Task<bool> DownloadAsync(string url, string savePath, string fileName,
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EventHandler<DownloadProgressChangedEventArgs> onProgressChanged,
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EventHandler<AsyncCompletedEventArgs> onProgressCompleted)
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{
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DownloadConfiguration downloadConfiguration = new()
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{
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ChunkCount = 8, // Download in 8 chunks (increase for larger files)
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MaxTryAgainOnFailure = 5,
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Timeout = 10000, // 10 seconds timeout for each request
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RequestConfiguration = new RequestConfiguration
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{
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UserAgent = _defaultHeaders.GetValueOrDefault("User-Agent")
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}
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};
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DownloadService downloader = new(downloadConfiguration);
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downloader.DownloadProgressChanged += onProgressChanged;
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downloader.DownloadFileCompleted += onProgressCompleted;
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try
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{
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await downloader.DownloadFileTaskAsync(url, Path.Combine(savePath, fileName));
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return true;
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}
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catch (Exception ex)
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{
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Log.Info($"Download failed: {ex}");
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}
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return false;
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}
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}
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15
VideoDownload/Platforms/DownloadPlatforms.cs
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15
VideoDownload/Platforms/DownloadPlatforms.cs
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@@ -0,0 +1,15 @@
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using System.ComponentModel;
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using Downloader;
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namespace ACBuildService;
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public abstract class DownloadPlatforms
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{
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public abstract Task<string> ExtractUrlAsync(string text);
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public abstract Task<VideoModel> ParseShare(string DownloadUrlText);
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public abstract Task<VideoModel> ExtractVideoDataAsync(string url);
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public abstract Task<bool> DownloadAsync(string url, string savePath, string fileName,
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EventHandler<DownloadProgressChangedEventArgs> onProgressChanged,
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EventHandler<AsyncCompletedEventArgs> onProgressCompleted);
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}
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53
VideoDownload/Platforms/KuaiShou.cs
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53
VideoDownload/Platforms/KuaiShou.cs
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@@ -0,0 +1,53 @@
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using System.ComponentModel;
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using Downloader;
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namespace ACBuildService;
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public class KuaiShou : DownloadPlatforms
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{
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private static readonly Dictionary<string, string> _defaultHeaders = new()
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{
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{
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"User-Agent",
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"Mozilla/5.0 (Linux; Android 8.0.0; SM-G955U Build/R16NW) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Mobile Safari/537.36"
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},
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{ "sec-fetch-site", "same-origin" },
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{ "sec-fetch-mode", "cors" },
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{ "sec-fetch-dest", "empty" },
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{ "sec-ch-ua-platform", "Windows" },
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{ "sec-ch-ua-mobile", "?0" },
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{ "sec-ch-ua", "\"Not/A)Brand\";v=\"8\", \"Chromium\";v=\"126\", \"Google Chrome\";v=\"126\"" },
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{ "referer", "https://www.douyin.com/?recommend=1" },
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{ "priority", "u=1, i" },
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{ "pragma", "no-cache" },
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{ "cache-control", "no-cache" },
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{ "accept-language", "zh-CN,zh;q=0.9,en;q=0.8" },
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{
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"accept",
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"text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"
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},
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{ "dnt", "1" }
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};
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public override Task<string> ExtractUrlAsync(string text)
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{
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throw new NotImplementedException();
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}
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public override Task<VideoModel> ParseShare(string DownloadUrlText)
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{
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throw new NotImplementedException();
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}
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public override Task<VideoModel> ExtractVideoDataAsync(string url)
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{
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throw new NotImplementedException();
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}
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public override Task<bool> DownloadAsync(string url, string savePath, string fileName,
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EventHandler<DownloadProgressChangedEventArgs> onProgressChanged,
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EventHandler<AsyncCompletedEventArgs> onProgressCompleted)
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{
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throw new NotImplementedException();
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}
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}
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