private static async Task SetPartInfo(DownloadTaskModel m, StorageFolder folder)
{
try
{
StorageFile file = null;
if (await ExistsFile(folder.Path + @"/info.json"))
{
return;
}
else
{
file = await folder.CreateFileAsync("info.json", CreationCollisionOption.OpenIfExists);
}
DownloadPartnInfoModel downloadVideonInfoModel = new DownloadPartnInfoModel()
{
index = m.epIndex,
title = m.epTitle,
cid = m.cid,
path = folder.Path,
epid = m.epid
};
var infoJson = JsonConvert.SerializeObject(downloadVideonInfoModel);
await FileIO.WriteTextAsync(file, infoJson);
}
catch (Exception)
{
throw;
}
}
public static async void CreateDownload(DownloadTaskModel m)
{
var urls = await PlayurlHelper.GetVideoUrl_Download(m);
if (urls == null || urls.Count == 0)
{
await new MessageDialog(m.epTitle + " 无法读取到下载地址").ShowAsync();
//throw new Exception(m.epTitle + " 无法读取到下载地址");
}
try
{
var folder = await GetCIDFolder(m);
await Task.Run(async() =>
{
await SetVideoInfo(m, folder);
await SetPartInfo(m, folder);
await DownloadDanmu(m.cid, folder);
await DownThumb(m.thumb, await folder.GetParentAsync());
});
for (int i = 0; i < urls.Count; i++)
{
CreateDown(m, i, urls[i], folder);
}
}
catch (Exception ex)
{
await new MessageDialog(ex.Message).ShowAsync();
}
}
private static async void CreateDown(DownloadTaskModel m, int index, string url, StorageFolder folder)
{
BackgroundDownloader downloader = new BackgroundDownloader();
downloader.SetRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36");
if (!url.Contains("360.cn"))
{
downloader.SetRequestHeader("Referer", "https://www.bilibili.com/blackboard/html5player.html?crossDomain=true");
}
//设置下载模式
if (SettingHelper.Get_DownMode() == 0)
{
group.TransferBehavior = BackgroundTransferBehavior.Serialized;
}
else
{
group.TransferBehavior = BackgroundTransferBehavior.Parallel;
}
downloader.TransferGroup = group;
//创建视频文件
var filetype = ".flv";
if (url.Contains(".mp4"))
{
filetype = ".mp4";
}
StorageFile file = await folder.CreateFileAsync(index.ToString("000") + filetype, CreationCollisionOption.OpenIfExists);
DownloadOperation downloadOp = downloader.CreateDownload(new Uri(url), file);
//设置下载策略
if (SettingHelper.Get_Use4GDown())
{
downloadOp.CostPolicy = BackgroundTransferCostPolicy.Always;
}
else
{
downloadOp.CostPolicy = BackgroundTransferCostPolicy.UnrestrictedOnly;
}
SqlHelper.InsertDownload(new DownloadGuidClass()
{
guid = downloadOp.Guid.ToString(),
cid = m.cid,
index = index,
aid = (m.downloadMode == DownloadMode.Anime) ? m.sid : m.avid,
eptitle = m.epTitle,
title = m.title,
mode = (m.downloadMode == DownloadMode.Anime) ? "anime" : "video"
});
try
{
await downloadOp.StartAsync();
}
catch (Exception)
{
}
}
private static async Task <StorageFolder> GetCIDFolder(DownloadTaskModel m)
{
string setting = SettingHelper.Get_DownPath();
StorageFolder DownFolder = null;
try
{
if (SettingHelper.Get_CustomDownPath() && setting != "系统视频库")
{
string mruFirstToken = StorageApplicationPermissions.MostRecentlyUsedList.Entries.First(x => x.Metadata == setting).Token;
var settingFolder = await StorageApplicationPermissions.MostRecentlyUsedList.GetFolderAsync(mruFirstToken);
DownFolder = await settingFolder.CreateFolderAsync("BiliBiliDownload", CreationCollisionOption.OpenIfExists);
}
else
{
DownFolder = await KnownFolders.VideosLibrary.CreateFolderAsync("BiliBiliDownload", CreationCollisionOption.OpenIfExists);
}
}
catch (Exception)
{
DownFolder = await KnownFolders.VideosLibrary.CreateFolderAsync("BiliBiliDownload", CreationCollisionOption.OpenIfExists);
}
StorageFolder avidFolder = null;
if (m.downloadMode == DownloadMode.Video)
{
avidFolder = await DownFolder.CreateFolderAsync(m.avid, CreationCollisionOption.OpenIfExists);
}
else
{
avidFolder = await DownFolder.CreateFolderAsync("s_" + m.sid, CreationCollisionOption.OpenIfExists);
}
StorageFolder cidFolder = await avidFolder.CreateFolderAsync(m.cid, CreationCollisionOption.OpenIfExists);
return(cidFolder);
}
private static async Task SetVideoInfo(DownloadTaskModel m, StorageFolder folder)
{
try
{
var f = await folder.GetParentAsync();
StorageFile file = null;
if (await ExistsFile(f.Path + @"/info.json"))
{
return;
}
else
{
file = await f.CreateFileAsync("info.json", CreationCollisionOption.OpenIfExists);
}
DownloadVideonInfoModel downloadVideonInfoModel = new DownloadVideonInfoModel()
{
thumb = m.thumb,
title = m.title
};
if (m.downloadMode == DownloadMode.Video)
{
downloadVideonInfoModel.id = m.avid;
downloadVideonInfoModel.type = "video";
}
else
{
downloadVideonInfoModel.id = m.sid;
downloadVideonInfoModel.type = "anime";
}
var infoJson = JsonConvert.SerializeObject(downloadVideonInfoModel);
await FileIO.WriteTextAsync(file, infoJson);
}
catch (Exception)
{
throw;
}
}
private static async void CreateDown(DownloadTaskModel m, int index, DownloadUrlInfo url, StorageFolder folder)
{
BackgroundDownloader downloader = new BackgroundDownloader();
foreach (var item in url.Headers)
{
downloader.SetRequestHeader(item.Key, item.Value);
}
//downloader.SetRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0");
//if (!url.Contains("360.cn"))
//{
// downloader.SetRequestHeader("Origin", "https://www.bilibili.com/");
// downloader.SetRequestHeader("Referer", "https://www.bilibili.com/");
//}
//设置下载模式
if (SettingHelper.DownMode == 0)
{
group.TransferBehavior = BackgroundTransferBehavior.Serialized;
}
else
{
group.TransferBehavior = BackgroundTransferBehavior.Parallel;
}
downloader.TransferGroup = group;
//创建视频文件
var filetype = ".flv";
if (url.Url.Contains(".mp4"))
{
filetype = ".mp4";
}
StorageFile file = await folder.CreateFileAsync(index.ToString("000") + filetype, CreationCollisionOption.OpenIfExists);
DownloadOperation downloadOp = downloader.CreateDownload(new Uri(url.Url), file);
//设置下载策略
if (SettingHelper.Use4GDown)
{
downloadOp.CostPolicy = BackgroundTransferCostPolicy.Always;
}
else
{
downloadOp.CostPolicy = BackgroundTransferCostPolicy.UnrestrictedOnly;
}
using (var context = SqlHelper.CreateContext())
{
context.InsertDownload(new DownloadGuidClass()
{
Guid = downloadOp.Guid.ToString(),
Cid = m.cid,
Index = index,
Aid = (m.downloadMode == DownloadMode.Anime) ? m.sid : m.avid,
Eptitle = m.epTitle,
Title = m.title,
Mode = (m.downloadMode == DownloadMode.Anime) ? "anime" : "video"
});
}
try
{
await downloadOp.StartAsync();
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
/// <summary>
/// 读取下载地址
/// </summary>
/// <param name="m"></param>
/// <returns></returns>
public static async Task <List <string> > GetVideoUrl_Download(DownloadTaskModel m)
{
try
{
List <string> urls = new List <string>();
var qn = 32;
switch (m.quality)
{
case 1:
qn = 32;
break;
case 2:
qn = 64;
break;
case 3:
qn = 80;
break;
case 4:
qn = 112;
break;
default:
break;
}
//https://interface.bilibili.com/v2/playurl?cid=31452468&appkey=84956560bc028eb7&otype=json&type=&quality=112&qn=112&sign=38b1355368ee65d055c12b57bdb26e3a
if (m.downloadMode == DownloadMode.Video)
{
var videos = await GetVideoUrl(m.avid, m.cid, qn);
if (videos != null)
{
return(videos.urls);
}
else
{
return(null);
}
}
else
{
var ban = await GetBangumiUrl(new PlayerModel()
{
Aid = m.avid,
banId = m.sid,
episode_id = m.epid,
banInfo = new Models.episodesModel()
{
episode_id = m.epid
},
index = m.epIndex,
Mid = m.cid
}, qn);
if (ban != null)
{
return(ban.urls);
}
else
{
return(null);
}
}
}
catch (Exception)
{
return(null);
}
}
/// <summary>
/// 读取下载地址
/// </summary>
/// <param name="m"></param>
/// <returns></returns>
public static async Task <List <string> > GetVideoUrl_Download(DownloadTaskModel m)
{
try
{
List <string> urls = new List <string>();
var qn = 32;
switch (m.quality)
{
case 1:
qn = 32;
break;
case 2:
qn = 64;
break;
case 3:
qn = 80;
break;
case 4:
qn = 112;
break;
default:
break;
}
//https://interface.bilibili.com/v2/playurl?cid=31452468&appkey=84956560bc028eb7&otype=json&type=&quality=112&qn=112&sign=38b1355368ee65d055c12b57bdb26e3a
if (m.downloadMode == DownloadMode.Video)
{
string url = string.Format("https://interface.bilibili.com/v2/playurl?cid={1}&appkey={0}&otype=json&type=&quality={2}&qn={2}&ts={3}", ApiHelper._appKey_VIDEO, m.cid, qn, ApiHelper.GetTimeSpan_2);
url += "&sign=" + ApiHelper.GetSign_VIDEO(url);
string re = await WebClientClass.GetResults(new Uri(url));
FlvPlyaerUrlModel flvPlyaerUrlModel = JsonConvert.DeserializeObject <FlvPlyaerUrlModel>(re);
if (flvPlyaerUrlModel.code == 0)
{
foreach (var item in flvPlyaerUrlModel.durl)
{
urls.Add(item.url);
}
}
else
{
return(null);
}
}
else
{
string url = string.Format("https://interface.bilibili.com/playurl?cid={0}&player=1&quality={1}&qn={1}&ts={2}", m.cid, qn, ApiHelper.GetTimeSpan);
url += "&sign=" + ApiHelper.GetSign_PlayUrl(url);
string re = await WebClientClass.GetResults(new Uri(url));
if (re.Contains("<code>"))
{
string url2 = string.Format(
"https://bangumi.bilibili.com/player/web_api/v2/playurl?cid={1}&appkey={0}&otype=json&type=&quality={2}&module=bangumi&season_type=1&qn={2}&ts={3}", ApiHelper._appKey_VIDEO, m.cid, qn, ApiHelper.GetTimeSpan_2);
url2 += "&sign=" + ApiHelper.GetSign_VIDEO(url2);
re = await WebClientClass.GetResults(new Uri(url2));
FlvPlyaerUrlModel flvPlyaerUrlModel = JsonConvert.DeserializeObject <FlvPlyaerUrlModel>(re);
if (flvPlyaerUrlModel.code == 0 && !re.Contains("8986943"))
{
foreach (var item in flvPlyaerUrlModel.durl)
{
urls.Add(item.url);
}
}
else
{
var re3 = await WebClientClass.GetResults(new Uri(string.Format("https://moe.nsapps.cn/api/v1/BiliAnimeUrl?animeid={0}&cid={1}&epid={2}&rnd={3}", m.sid, m.cid, m.epid, ApiHelper.GetTimeSpan)));
JObject obj = JObject.Parse(re3);
if (Convert.ToInt32(obj["code"].ToString()) == 0)
{
urls.Add(obj["data"][0]["url"].ToString());
}
else
{
var playurl = await _5DMHelper.GetUrl(m.sid, Convert.ToInt32(m.epIndex) - 1);
if (playurl == "")
{
return(null);
}
else
{
urls.Add(playurl);
}
}
}
}
else
{
var mc = Regex.Matches(re, @"<length>(.*?)</length>.*?<size>(.*?)</size>.*?<url><!\[CDATA\[(.*?)\]\]></url>", RegexOptions.Singleline);
foreach (Match item in mc)
{
urls.Add(item.Groups[3].Value);
}
}
}
return(urls);
}
catch (Exception)
{
return(null);
}
}
