refactoring
This commit is contained in:
Paul Schneider
parent
49826eae4a
commit
8e8f4d3896
367 changed files with 217 additions and 364 deletions
271
src/Yavsc.Server/Helpers/FileSystemHelpers.cs
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271
src/Yavsc.Server/Helpers/FileSystemHelpers.cs
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using System.Security.Claims;
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using Microsoft.AspNetCore.Html;
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using Microsoft.Extensions.FileProviders;
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using Yavsc.Models;
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using Yavsc.Models.FileSystem;
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using Yavsc.Models.Streaming;
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using Yavsc.ViewModels;
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using SixLabors.ImageSharp;
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using SixLabors.ImageSharp.Processing;
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using Microsoft.AspNetCore.Http;
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using Yavsc.Exceptions;
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namespace Yavsc.Helpers
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{
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public static class FileSystemHelpers
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{
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public static async Task SaveAsAsync(this IFormFile formFile, string path)
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{
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if (formFile.Length > 0) {
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using (Stream fileStream = new FileStream(path, FileMode.Create)) {
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await formFile.CopyToAsync(fileStream);
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}
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}
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}
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public static FileRecievedInfo ReceiveProSignature(this ClaimsPrincipal user, string billingCode, long estimateId, IFormFile formFile, string signtype)
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{
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var item = new FileRecievedInfo
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{
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FileName = AbstractFileSystemHelpers.SignFileNameFormat("pro", billingCode, estimateId)
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};
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var destFileName = Path.Combine(Config.SiteSetup.Bills, item.FileName);
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var fi = new FileInfo(destFileName);
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if (fi.Exists) item.Overriden = true;
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using (var org = formFile.OpenReadStream())
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{
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using Image image = Image.Load(org);
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image.Save(destFileName);
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}
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return item;
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}
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public static string GetAvatarUri(this ApplicationUser user)
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{
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return $"/{Config.SiteSetup.Avatars}/{user.UserName}.png";
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}
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public static string InitPostToFileSystem(
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this ClaimsPrincipal user,
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string subpath)
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{
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var root = Path.Combine(AbstractFileSystemHelpers.UserFilesDirName, user.Identity.Name);
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var diRoot = new DirectoryInfo(root);
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if (!diRoot.Exists) diRoot.Create();
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if (!string.IsNullOrWhiteSpace(subpath)) {
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if (!subpath.IsValidYavscPath())
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{
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throw new InvalidPathException();
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}
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root = Path.Combine(root, subpath);
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}
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var di = new DirectoryInfo(root);
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if (!di.Exists) di.Create();
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return di.FullName;
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}
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/// <summary>
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/// Deletes user file.
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/// User info is modified, but not save in db.
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/// </summary>
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/// <param name="user"></param>
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/// <param name="fileName"></param>
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public static void DeleteUserFile(this ApplicationUser user, string fileName)
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{
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var root = Path.Combine(AbstractFileSystemHelpers.UserFilesDirName, user.UserName);
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var fi = new FileInfo(Path.Combine(root, fileName));
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if (!fi.Exists) return ;
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fi.Delete();
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user.DiskUsage -= fi.Length;
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}
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public static FsOperationInfo DeleteUserDirOrFile(this ApplicationUser user, string dirName)
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{
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var root = Path.Combine(AbstractFileSystemHelpers.UserFilesDirName, user.UserName);
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if (string.IsNullOrEmpty(dirName))
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return new FsOperationInfo { Done = false, ErrorCode = ErrorCode.InvalidRequest, ErrorMessage = "specify a directory or file name"} ;
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var di = new DirectoryInfo(Path.Combine(root, dirName));
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if (!di.Exists) {
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var fi = new FileInfo(Path.Combine(root, dirName));
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if (!fi.Exists) return new FsOperationInfo { Done = false, ErrorCode = ErrorCode.NotFound, ErrorMessage = "non existent"} ;
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fi.Delete();
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user.DiskUsage -= fi.Length;
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}
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else {
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if (di.GetDirectories().Length>0 || di.GetFiles().Length>0)
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return new FsOperationInfo { Done = false, ErrorCode = ErrorCode.InvalidRequest, ErrorMessage = "dir is not empty, refusing to remove it"} ;
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di.Delete();
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}
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return new FsOperationInfo { Done = true };
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}
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public static FsOperationInfo MoveUserDir(this ApplicationUser user, string fromDirName, string toDirName)
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{
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var root = Path.Combine(AbstractFileSystemHelpers.UserFilesDirName, user.UserName);
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if (string.IsNullOrEmpty(fromDirName))
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return new FsOperationInfo { Done = false, ErrorCode = ErrorCode.InvalidRequest , ErrorMessage = "specify a dir name "} ;
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var di = new DirectoryInfo(Path.Combine(root, fromDirName));
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if (!di.Exists) return new FsOperationInfo { Done = false, ErrorCode = ErrorCode.NotFound, ErrorMessage = "fromDirName: non existent"} ;
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if (string.IsNullOrEmpty(toDirName)) toDirName = ".";
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var destPath = Path.Combine(root, toDirName);
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var fout = new FileInfo(destPath);
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if (fout.Exists) return new FsOperationInfo { Done = false, ErrorCode = ErrorCode.InvalidRequest, ErrorMessage = "destination is a regular file" } ;
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var dout = new DirectoryInfo(destPath);
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if (dout.Exists) {
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destPath = Path.Combine(destPath, dout.Name);
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}
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di.MoveTo(destPath);
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return new FsOperationInfo { Done = true };
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}
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public static FsOperationInfo MoveUserFileToDir(this ApplicationUser user, string fileNameFrom, string fileNameDest)
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{
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var root = Path.Combine(AbstractFileSystemHelpers.UserFilesDirName, user.UserName);
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var fi = new FileInfo(Path.Combine(root, fileNameFrom));
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if (!fi.Exists) return new FsOperationInfo { ErrorCode = ErrorCode.NotFound, ErrorMessage = "no file to move" } ;
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string dest;
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if (!string.IsNullOrEmpty(fileNameDest)) dest = Path.Combine(root, fileNameDest);
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else dest = root;
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var fo = new FileInfo(dest);
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if (fo.Exists) return new FsOperationInfo { ErrorCode = ErrorCode.DestExists , ErrorMessage = "destination file name is an existing file" } ;
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var dout = new DirectoryInfo(dest);
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if (!dout.Exists) dout.Create();
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fi.MoveTo(Path.Combine(dout.FullName, fi.Name));
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return new FsOperationInfo { Done = true };
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}
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public static FsOperationInfo MoveUserFile(this ApplicationUser user, string fileNameFrom, string fileNameDest)
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{
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var root = Path.Combine(AbstractFileSystemHelpers.UserFilesDirName, user.UserName);
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var fi = new FileInfo(Path.Combine(root, fileNameFrom));
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if (!fi.Exists) return new FsOperationInfo { ErrorCode = ErrorCode.NotFound, ErrorMessage = "no file to move" } ;
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var fo = new FileInfo(Path.Combine(root, fileNameDest));
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if (fo.Exists) return new FsOperationInfo { ErrorCode = ErrorCode.DestExists , ErrorMessage = "destination file name is an existing file" } ;
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fi.MoveTo(fo.FullName);
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return new FsOperationInfo { Done = true };
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}
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static string ParseFileNameFromDisposition(string disposition)
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{
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// form-data_ name=_file__ filename=_Constants.Private.cs_
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var parts = disposition.Split(' ');
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var filename = parts[2].Split('=')[1];
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filename = filename.Substring(1,filename.Length-2);
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return filename;
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}
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public static void AddQuota(this ApplicationUser user, int quota)
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{
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user.DiskQuota += quota;
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}
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public static FileRecievedInfo ReceiveUserFile(this ApplicationUser user, string root, IFormFile f, string destFileName = null)
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{
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return ReceiveUserFile(user, root, f.OpenReadStream(), destFileName ?? ParseFileNameFromDisposition(f.ContentDisposition), f.ContentType, CancellationToken.None);
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}
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public static FileRecievedInfo ReceiveUserFile(this ApplicationUser user, string root, Stream inputStream, string destFileName, string contentType, CancellationToken token)
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{
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// TODO lock user's disk usage for this scope,
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// this process is not safe at concurrent access.
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long usage = user.DiskUsage;
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var item = new FileRecievedInfo
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{
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FileName = AbstractFileSystemHelpers.FilterFileName(destFileName),
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DestDir = root
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};
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var fi = new FileInfo(Path.Combine(root, item.FileName));
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if (fi.Exists)
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{
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item.Overriden = true;
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usage -= fi.Length;
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}
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using (var dest = fi.OpenWrite())
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{
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using (inputStream)
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{
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const int blen = 1024;
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byte[] buffer = new byte[blen];
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int len = 0;
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while (!token.IsCancellationRequested && (len=inputStream.Read(buffer, 0, blen))>0)
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{
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dest.Write(buffer, 0, len);
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usage += len;
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if (usage >= user.DiskQuota) break;
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}
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user.DiskUsage = usage;
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dest.Close();
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inputStream.Close();
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}
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}
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if (usage >= user.DiskQuota) {
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item.QuotaOffensed = true;
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}
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user.DiskUsage = usage;
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return item;
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}
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public static HtmlString FileLink(this RemoteFileInfo info, string username, string subpath)
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{
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return new HtmlString(
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$"{Config.UserFilesOptions.RequestPath}/{username}/{subpath}/{info.Name}" );
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}
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public static RemoteFileInfo FileInfo(this ApplicationUser user, string path)
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{
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IFileInfo info = Config.UserFilesOptions.FileProvider.GetFileInfo($"{user.UserName}/{path}");
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if (!info.Exists) return null;
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return new RemoteFileInfo{ Name = info.Name, Size = info.Length, LastModified = info.LastModified.UtcDateTime };
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}
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public static FileRecievedInfo ReceiveAvatar(this ApplicationUser user, IFormFile formFile)
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{
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var item = new FileRecievedInfo
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{
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FileName = user.UserName + ".png"
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};
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using (var org = formFile.OpenReadStream())
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{
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using Image image = Image.Load(org);
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image.Mutate(x=>x.Resize(128,128));
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image.Save(Path.Combine(Config.SiteSetup.Avatars,item.FileName));
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image.Mutate(x=>x.Resize(64,64));
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image.Save(Path.Combine(Config.SiteSetup.Avatars,user.UserName + ".s.png"));
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image.Mutate(x=>x.Resize(32,32));
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image.Save(Path.Combine(Config.SiteSetup.Avatars,user.UserName + ".xs.png"));
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}
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item.DestDir = Config.AvatarsOptions.RequestPath.ToUriComponent();
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user.Avatar = $"{item.DestDir}/{item.FileName}";
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return item;
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}
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public static string GetFileUrl (this LiveFlow flow)
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{
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if (flow.DifferedFileName==null) return null;
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// no server-side backup for this stream
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return $"{Config.UserFilesOptions.RequestPath}/{flow.Owner.UserName}/live/"+GetFileName(flow);
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}
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public static string GetFileName (this LiveFlow flow)
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{
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var fileInfo = new FileInfo(flow.DifferedFileName);
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var ext = fileInfo.Extension;
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var namelen = flow.DifferedFileName.Length - ext.Length;
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var basename = flow.DifferedFileName.Substring(0,namelen);
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return $"{basename}-{flow.SequenceNumber}{ext}";
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}
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}
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}
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