public async Task <ActionResult> Upload(int id = -1)
{
//許可された拡張子
var allowedExtentions = new[]
{
".pptx",
".ppt",
".pptm",
".ppsx",
".pps",
".ppsm",
".pdf",
".zip"
};
ViewBag.success = false;
var db = new OneDriveDbContext();
//ファイルが無い
if (Request.Files.Count <= 0)
{
return(View("Error"));
}
var file = Request.Files[0];
if (file?.FileName == null || file.ContentLength <= 0)
{
return(View("Error"));
}
//許可された拡張子ではない
if (allowedExtentions.All(ext => Path.GetExtension(file.FileName).ToLower() != ext))
{
return(View("UploadFinished"));
}
//ファイル名は"UnixTime_元のファイル名"
var fileName = $"{GetUnixTime(DateTime.Now)}_{Path.GetFileName(file.FileName)}";
var tempFileName = Path.GetTempFileName();
file.SaveAs(tempFileName);
var stream = new FileStream(tempFileName, FileMode.Open, FileAccess.Read, FileShare.None, 8, FileOptions.DeleteOnClose);
try
{
var manager = HttpContext.GetOwinContext().GetUserManager <ApplicationUserManager>();
var accountId = ManageController.GetConfiguration <int>("UsingMicrosoftAccountNum");
var fileId = await OneDriveService.Upload(accountId, fileName, stream);
if (ManageController.GetConfiguration <bool>("EnableAccountAutoChange"))
{
var currentAccount = await OneDriveService.GetOwnerInfo(db.Accounts.Single(x => x.Id == accountId).RefleshToken);
var threshold = ManageController.GetConfiguration <int>("ChangeThreshold");
if ((double)currentAccount.FreeSpace / 1024 / 1024 < threshold)
{
var preload = db.Accounts.Select(x => OneDriveService.GetOwnerInfo(x.RefleshToken));
await Task.WhenAll(preload);
var nextAccount = preload.Select(x => x.Result).FirstOrDefault(x => (double)x.FreeSpace / 1024 / 1024 >= threshold);
if (nextAccount != null)
{
ManageController.SetConfiguration("UsingMicrosoftAccountNum", nextAccount.Id);
}
}
}
if (string.IsNullOrWhiteSpace(fileId))
{
ViewBag.success = false;
return(View("UploadFinished"));
}
if (User.IsInRole(nameof(Role.管理)))
{
//既に登録済みのファイルIDである
if (db.Files.Any(x => x.DocumentId == id))
{
return(View("Error"));
}
var wc = new WebClient {
Encoding = Encoding.UTF8
};
var str = wc.DownloadString($"https://ipsj.ixsq.nii.ac.jp/ej/?action=repository_uri&item_id={id}");
var reg = new Regex(@"<meta name=""citation_title"" content=""(?<title>.+?)""/>");
var title = reg.Match(str).Groups["title"].Value;
db.Files.Add(new File
{
DocumentId = id,
DocumentName = title,
MicrosoftAccountNum = accountId,
OneDriveFileId = fileId
});
}
else if (User.IsInRole(nameof(Role.アップロード)))
{
var name = manager.FindByName(User.Identity.Name).Title;
//既に登録済みのタイトルである
if (db.Files.Any(x => x.DocumentName == name))
{
return(View("Error"));
}
db.Files.Add(new File
{
DocumentId = -1,
DocumentName = name,
MicrosoftAccountNum = accountId,
OneDriveFileId = fileId
});
}
else
{
//権限がない
return(View("Error"));
}
await db.SaveChangesAsync();
}
catch (Exception)
{
return(View("Error"));
}
ViewBag.success = true;
return(View("UploadFinished"));
}
private static async Task DeleteShareLinkTask(int accountNum, string fileId, string permissionId)
{
await Task.Delay(TimeSpan.FromMinutes(ManageController.GetConfiguration <int>("LinkEnableDuration")));
await OneDriveService.DeleteShareLink(accountNum, fileId, permissionId);
}
public ActionResult Contents(int id = -1)
{
if (id == -1)
{
id = 4088; //IOTトップ
}
//キャッシュを利用する
if (Cache.ContainsKey(id) && DateTime.Now - Cache[id].CachedAt <= TimeSpan.FromMinutes(ManageController.GetConfiguration <int>("CacheDuration")))
{
Debug.WriteLine("キャッシュ利用");
return(View(Cache[id].Contents));
}
var url = $"https://ipsj.ixsq.nii.ac.jp/ej/?action=repository_opensearch&index_id={id}&count=100&order=7";
var wc = new WebClient {
Encoding = Encoding.UTF8
};
var str = wc.DownloadString(url);
var regFolder = new Regex(
@"<td class=""pl10 pt10 vat"" width=""100%""><span><a href=""(?<url>https://ipsj\.ixsq\.nii\.ac\.jp/ej/\?action=repository_opensearch&index_id=(?<indexId>\d+)&count=100&order=7&pn=1)"">(?<title>.+)</a><wbr /><span class=""text_color""> \[(?<count>\d+)件</span><span class=""text_color"">\] </span></span></td>");
var results = regFolder.Matches(str);
var contents = (from Match result in results select new Content(result.Groups["title"].Value, int.Parse(result.Groups["count"].Value), result.Groups["url"].Value, int.Parse(result.Groups["indexId"].Value)));
if (!contents.Any()) //フォルダが一つも無い→コンテンツ
{
var regContents = new Regex(
@"<div class=""item_title pl55"">\s+<a href=""(?<url>https://ipsj\.ixsq\.nii\.ac\.jp/ej/\?action=repository_uri&item_id=(?<itemId>\d+))"">\s+(?<title>.+)\s+</a>\s+</div>");
results = regContents.Matches(str);
contents = from Match result in results select new Content(result.Groups["title"].Value, -1, result.Groups["url"].Value, int.Parse(result.Groups["itemId"].Value));
}
//キャッシュに登録
if (Cache.ContainsKey(id))
{
Cache.Remove(id);
}
Debug.WriteLine("キャッシュ登録");
Cache.Add(id, new ContentsCache()
{
CachedAt = DateTime.Now, Contents = contents
});
return(View(contents));
}
