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lijianyou
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using dy.net.dto;
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using dy.net.utils;
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using Newtonsoft.Json;
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using System;
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using System.Net;
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using System.Net.Http;
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namespace dy.net.service
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{
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public class DyHttpClientService
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{
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private static readonly string CollectApi = "https://www.douyin.com/aweme/v1/web/aweme/listcollection/";
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private static readonly string UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36";
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// 随机数生成器（避免重复实例化，保证随机性）
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private readonly IHttpClientFactory _clientFactory;
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public DyHttpClientService(IHttpClientFactory clientFactory)
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{
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_clientFactory = clientFactory;
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}
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/// <summary>
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/// 查询用户收藏的视频
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/// </summary>
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/// <param name="cursor"></param>
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/// <param name="count"></param>
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/// <param name="cookie"></param>
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/// <returns></returns>
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public async Task<CollectVideoInfo> SyncCollectVideos(string cursor, string count, string cookie)
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{
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if (string.IsNullOrEmpty(cursor))
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{
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throw new ArgumentException($"“{nameof(cursor)}”不能为 null 或空。", nameof(cursor));
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}
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if (string.IsNullOrEmpty(count))
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{
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throw new ArgumentException($"“{nameof(count)}”不能为 null 或空。", nameof(count));
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}
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if (string.IsNullOrEmpty(cookie))
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{
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throw new ArgumentException($"“{nameof(cookie)}”不能为 null 或空。", nameof(cookie));
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}
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try
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{
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using var httpClient = _clientFactory.CreateClient("douyin");
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if (httpClient.DefaultRequestHeaders.Contains("Cookie"))
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{
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httpClient.DefaultRequestHeaders.Remove("Cookie");
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}
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httpClient.DefaultRequestHeaders.Add("Cookie", cookie);
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var dics = CreateUserCollectHeader();
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dics.Add("cursor", cursor);
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dics.Add("count", count);
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try
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{
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var token = await TokenManager.GenRealMsTokenAsync();
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dics.Add("msToken", token);
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}
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catch (Exception ex)
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{
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Serilog.Log.Error($"获取mstoken失败{ex.Message}");
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}
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var endPoint = BogusManager.XbModel2Endpoint(CollectApi, dics, UserAgent);
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var respose = await httpClient.PostAsync(endPoint, null);
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if (respose.IsSuccessStatusCode)
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{
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var data = await respose.Content.ReadAsStringAsync();
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return JsonConvert.DeserializeObject<CollectVideoInfo>(data);
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}
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else
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{
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Serilog.Log.Error($"SyncCollectVideos fail: {respose.StatusCode}");
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return null;
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}
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}
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catch (Exception ex)
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{
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Serilog.Log.Error($"SyncCollectVideos error: {ex.Message}");
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return null;
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}
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}
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/// <summary>
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/// 查询用户喜欢的视频
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/// </summary>
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/// <param name="cursor"></param>
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/// <param name="secUserId"></param>
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/// <param name="cookie"></param>
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/// <returns></returns>
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/// <exception cref="ArgumentException"></exception>
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public async Task<CollectVideoInfo> SyncFavoriteVideos(string cursor, string secUserId, string cookie)
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{
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if (string.IsNullOrEmpty(cursor))
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{
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throw new ArgumentException($"“{nameof(cursor)}”不能为 null 或空。", nameof(cursor));
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}
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if (string.IsNullOrEmpty(secUserId))
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{
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throw new ArgumentException($"“{nameof(secUserId)}”不能为 null 或空。", nameof(secUserId));
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}
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if (string.IsNullOrEmpty(cookie))
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{
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throw new ArgumentException($"“{nameof(cookie)}”不能为 null 或空。", nameof(cookie));
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}
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try
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{
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using var httpClient = _clientFactory.CreateClient("douyinfav");
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if (httpClient.DefaultRequestHeaders.Contains("Cookie"))
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{
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httpClient.DefaultRequestHeaders.Remove("Cookie");
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}
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httpClient.DefaultRequestHeaders.Add("Cookie", cookie);
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var dics = CreateUserFavoriteParams();
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dics.Add("max_cursor", cursor);
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dics.Add("sec_user_id", secUserId);
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// 构建请求URL
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string baseUrl = "https://www.douyin.com/aweme/v1/web/aweme/favorite/";
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var queryString = new FormUrlEncodedContent(dics);
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string fullUrl = $"{baseUrl}?{await queryString.ReadAsStringAsync()}";
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var respose = await httpClient.GetAsync(fullUrl);
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if (respose.IsSuccessStatusCode)
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{
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var data = await respose.Content.ReadAsStringAsync();
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return JsonConvert.DeserializeObject<CollectVideoInfo>(data);
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}
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else
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{
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Serilog.Log.Error($"SyncFavoriteVideos fail: {respose.StatusCode}");
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return null;
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}
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}
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catch (Exception ex)
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{
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Serilog.Log.Error($"SyncFavoriteVideos error: {ex.Message}");
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return null;
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}
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}
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/// <summary>
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/// 下载文件并保存到本地
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/// </summary>
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/// <param name="videoUrl">文件地址</param>
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/// <param name="savePath">保存路径</param>
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public async Task<bool> DownloadAsync(string videoUrl, string savePath, string cookie)
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{
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try
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{
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// 防止文件被占用，先删除已存在的文件
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if (File.Exists(savePath))
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{
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File.Delete(savePath);
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}
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// 创建HTTP客户端（设置超时时间和请求头）
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using (var httpClient = _clientFactory.CreateClient("douyin"))
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{
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if (httpClient.DefaultRequestHeaders.Contains("Cookie"))
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{
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httpClient.DefaultRequestHeaders.Remove("Cookie");
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}
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httpClient.DefaultRequestHeaders.Add("Cookie", cookie);
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httpClient.Timeout = TimeSpan.FromMinutes(5); // 设置5分钟超时
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// 获取视频流
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using (var response = await httpClient.GetAsync(videoUrl, HttpCompletionOption.ResponseHeadersRead))
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{
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response.EnsureSuccessStatusCode(); // 确保请求成功
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// 获取文件总大小（用于进度显示）
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long? totalBytes = response.Content.Headers.ContentLength;
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// 读取流并写入文件
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using (var stream = await response.Content.ReadAsStreamAsync())
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using (var fileStream = new FileStream(savePath, FileMode.CreateNew))
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{
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byte[] buffer = new byte[8192];
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int bytesRead;
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long totalRead = 0;
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// 循环读取并写入
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while ((bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length)) > 0)
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{
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await fileStream.WriteAsync(buffer, 0, bytesRead);
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totalRead += bytesRead;
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// 显示下载进度
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if (totalBytes.HasValue)
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{
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double progress = (double)totalRead / totalBytes.Value * 100;
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//Console.Write($"\r下载进度：{progress:F2}% ({totalRead}/{totalBytes.Value} bytes)");
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}
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}
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//Console.WriteLine(); // 进度显示结束后换行
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}
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}
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}
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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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Serilog.Log.Error($"DownloadVideoAsync fail: {ex.Message}");
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Serilog.Log.Error($"DownloadVideoAsync fail: {ex.StackTrace}");
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return false;
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}
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}
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/// <summary>
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/// 清理文件名中的非法字符
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/// </summary>
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static string SanitizeFileName(string fileName)
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{
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foreach (char c in Path.GetInvalidFileNameChars())
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{
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fileName = fileName.Replace(c, '_');
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}
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// 限制文件名长度
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return fileName.Length > 100 ? fileName.Substring(0, 100) : fileName;
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}
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// 创建包含默认值的字典
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Dictionary<string, string> CreateUserCollectHeader()
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{
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return new Dictionary<string, string>
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{
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{"device_platform", "webapp"},
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{"aid", "6383"},
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{"channel", "channel_pc_web"},
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{"pc_client_type", "1"},
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{"version_code", "290100"},
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{"version_name", "29.1.0"},
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{"cookie_enabled", "true"},
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{"screen_width", "1920"},
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{"screen_height", "1080"},
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{"browser_language", "zh-CN"},
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{"browser_platform", "Win32"},
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{"browser_name", "Chrome"},
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{"browser_version", "130.0.0.0"},
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{"browser_online", "true"},
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{"engine_name", "Blink"},
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{"engine_version", "130.0.0.0"},
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{"os_name", "Windows"},
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{"os_version", "10"},
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{"cpu_core_num", "12"},
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{"device_memory", "8"},
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{"platform", "PC"},
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{"downlink", "10"},
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{"effective_type", "4g"},
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{"from_user_page", "1"},
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{"locate_query", "false"},
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{"need_time_list", "1"},
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{"pc_libra_divert", "Windows"},
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{"publish_video_strategy_type", "2"},
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{"round_trip_time", "0"},
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{"show_live_replay_strategy", "1"},
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{"time_list_query", "0"},
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{"whale_cut_token", ""},
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{"update_version_code", "170400"}
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};
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}
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Dictionary<string, string> CreateUserFavoriteParams()
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{
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var parameters = new Dictionary<string, string>
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{
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{"device_platform", "webapp"},
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{"aid", "6383"},
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{"channel", "channel_pc_web"},
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{"min_cursor", "0"},
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{"whale_cut_token", ""},
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{"cut_version", "1"},
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{"count", "18"},
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{"publish_video_strategy_type", "2"},
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{"update_version_code", "170400"},
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{"pc_client_type", "1"},
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{"pc_libra_divert", "Windows"},
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{"support_h265", "1"},
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{"support_dash", "1"},
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{"cpu_core_num", "20"},
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{"version_code", "170400"},
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{"version_name", "17.4.0"},
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{"cookie_enabled", "true"},
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{"screen_width", "1536"},
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{"screen_height", "960"},
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{"browser_language", "zh-CN"},
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{"browser_platform", "Win32"},
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{"browser_name", "Chrome"},
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{"browser_version", "140.0.0.0"},
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{"browser_online", "true"},
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{"engine_name", "Blink"},
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{"engine_version", "140.0.0.0"},
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{"os_name", "Windows"},
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{"os_version", "10"},
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{"device_memory", "8"},
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{"platform", "PC"},
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{"downlink", "10"},
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{"effective_type", "4g"},
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{"round_trip_time", "0"},
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{"webid", "7516440221375268388"}
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};
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return parameters;
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}
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}
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}
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