Files
douyin/service/DyHttpClientService.cs
T
2025-10-10 13:04:29 +08:00

315 lines
12 KiB
C#

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