Improvements for #2221 - validate file extensions client-side before initiating upload, valid file extension server-side before writing part to disk, optimize cleanup logic, add error handling to JavaScript XMLHttpRequest, ensure FileInput gets initialized after upload

This commit is contained in:
Shaun Walker
2022-06-04 15:40:26 -04:00
parent 43c34fcd64
commit ea5655ae42
4 changed files with 284 additions and 258 deletions

View File

@ -86,279 +86,296 @@
}
@code {
private string _id;
private List<Folder> _folders;
private List<File> _files = new List<File>();
private string _fileinputid = string.Empty;
private string _progressinfoid = string.Empty;
private string _progressbarid = string.Empty;
private string _filter = "*";
private bool _haseditpermission = false;
private string _image = string.Empty;
private File _file = null;
private string _guid;
private string _message = string.Empty;
private MessageType _messagetype;
private string _id;
private List<Folder> _folders;
private List<File> _files = new List<File>();
private string _fileinputid = string.Empty;
private string _progressinfoid = string.Empty;
private string _progressbarid = string.Empty;
private string _filter = "*";
private bool _haseditpermission = false;
private string _image = string.Empty;
private File _file = null;
private string _guid;
private string _message = string.Empty;
private MessageType _messagetype;
[Parameter]
public string Id { get; set; } // optional - for setting the id of the FileManager component for accessibility
[Parameter]
public string Id { get; set; } // optional - for setting the id of the FileManager component for accessibility
[Parameter]
public int FolderId { get; set; } = -1; // optional - for setting a specific default folder by folderid
[Parameter]
public int FolderId { get; set; } = -1; // optional - for setting a specific default folder by folderid
[Parameter]
public string Folder { get; set; } = ""; // optional - for setting a specific default folder by folder path
[Parameter]
public string Folder { get; set; } = ""; // optional - for setting a specific default folder by folder path
[Parameter]
public int FileId { get; set; } = -1; // optional - for selecting a specific file by default
[Parameter]
public int FileId { get; set; } = -1; // optional - for selecting a specific file by default
[Parameter]
public string Filter { get; set; } // optional - comma delimited list of file types that can be selected or uploaded ie. "jpg,gif"
[Parameter]
public string Filter { get; set; } // optional - comma delimited list of file types that can be selected or uploaded ie. "jpg,gif"
[Parameter]
public bool ShowFiles { get; set; } = true; // optional - for indicating whether a list of files should be displayed - default is true
[Parameter]
public bool ShowFiles { get; set; } = true; // optional - for indicating whether a list of files should be displayed - default is true
[Parameter]
public bool ShowUpload { get; set; } = true; // optional - for indicating whether a Upload controls should be displayed - default is true
[Parameter]
public bool ShowUpload { get; set; } = true; // optional - for indicating whether a Upload controls should be displayed - default is true
[Parameter]
public bool ShowFolders { get; set; } = true; // optional - for indicating whether a list of folders should be displayed - default is true
[Parameter]
public bool ShowFolders { get; set; } = true; // optional - for indicating whether a list of folders should be displayed - default is true
[Parameter]
public bool ShowImage { get; set; } = true; // optional - for indicating whether an image thumbnail should be displayed - default is true
[Parameter]
public bool ShowImage { get; set; } = true; // optional - for indicating whether an image thumbnail should be displayed - default is true
[Parameter]
public bool ShowSuccess { get; set; } = false; // optional - for indicating whether a success message should be displayed upon successful upload - default is false
[Parameter]
public bool ShowSuccess { get; set; } = false; // optional - for indicating whether a success message should be displayed upon successful upload - default is false
[Parameter]
public bool UploadMultiple { get; set; } = false; // optional - enable multiple file uploads - default false
[Parameter]
public bool UploadMultiple { get; set; } = false; // optional - enable multiple file uploads - default false
[Parameter]
public EventCallback<int> OnUpload { get; set; } // optional - executes a method in the calling component when a file is uploaded
[Parameter]
public EventCallback<int> OnUpload { get; set; } // optional - executes a method in the calling component when a file is uploaded
[Parameter]
public EventCallback<int> OnSelect { get; set; } // optional - executes a method in the calling component when a file is selected
[Parameter]
public EventCallback<int> OnSelect { get; set; } // optional - executes a method in the calling component when a file is selected
[Parameter]
public EventCallback<int> OnDelete { get; set; } // optional - executes a method in the calling component when a file is deleted
[Parameter]
public EventCallback<int> OnDelete { get; set; } // optional - executes a method in the calling component when a file is deleted
protected override async Task OnInitializedAsync()
{
if (!string.IsNullOrEmpty(Id))
{
_id = Id;
}
protected override async Task OnInitializedAsync()
{
if (!string.IsNullOrEmpty(Id))
{
_id = Id;
}
// packages folder is a framework folder for uploading installable nuget packages
if (Folder == Constants.PackagesFolder)
{
ShowFiles = false;
ShowFolders = false;
Filter = "nupkg";
ShowSuccess = true;
}
// packages folder is a framework folder for uploading installable nuget packages
if (Folder == Constants.PackagesFolder)
{
ShowFiles = false;
ShowFolders = false;
Filter = "nupkg";
ShowSuccess = true;
}
if (!ShowFiles)
{
ShowImage = false;
}
if (!ShowFiles)
{
ShowImage = false;
}
_folders = await FolderService.GetFoldersAsync(ModuleState.SiteId);
_folders = await FolderService.GetFoldersAsync(ModuleState.SiteId);
if (!string.IsNullOrEmpty(Folder) && Folder != Constants.PackagesFolder)
{
Folder folder = await FolderService.GetFolderAsync(ModuleState.SiteId, Folder);
if (folder != null)
{
FolderId = folder.FolderId;
}
else
{
FolderId = -1;
_message = "Folder Path " + Folder + "Does Not Exist";
_messagetype = MessageType.Error;
}
}
if (!string.IsNullOrEmpty(Folder) && Folder != Constants.PackagesFolder)
{
Folder folder = await FolderService.GetFolderAsync(ModuleState.SiteId, Folder);
if (folder != null)
{
FolderId = folder.FolderId;
}
else
{
FolderId = -1;
_message = "Folder Path " + Folder + "Does Not Exist";
_messagetype = MessageType.Error;
}
}
if (FileId != -1)
{
File file = await FileService.GetFileAsync(FileId);
if (file != null)
{
FolderId = file.FolderId;
await OnSelect.InvokeAsync(FileId);
}
else
{
FileId = -1; // file does not exist
_message = "FileId " + FileId.ToString() + "Does Not Exist";
_messagetype = MessageType.Error;
}
}
if (FileId != -1)
{
File file = await FileService.GetFileAsync(FileId);
if (file != null)
{
FolderId = file.FolderId;
await OnSelect.InvokeAsync(FileId);
}
else
{
FileId = -1; // file does not exist
_message = "FileId " + FileId.ToString() + "Does Not Exist";
_messagetype = MessageType.Error;
}
}
await SetImage();
await SetImage();
if (!string.IsNullOrEmpty(Filter))
{
_filter = "." + Filter.Replace(",", ",.");
}
if (!string.IsNullOrEmpty(Filter))
{
_filter = "." + Filter.Replace(",", ",.");
}
await GetFiles();
await GetFiles();
// create unique id for component
_guid = Guid.NewGuid().ToString("N");
_fileinputid = _guid + "FileInput";
_progressinfoid = _guid + "ProgressInfo";
_progressbarid = _guid + "ProgressBar";
}
// create unique id for component
_guid = Guid.NewGuid().ToString("N");
_fileinputid = _guid + "FileInput";
_progressinfoid = _guid + "ProgressInfo";
_progressbarid = _guid + "ProgressBar";
}
private async Task GetFiles()
{
_haseditpermission = false;
if (Folder == Constants.PackagesFolder)
{
_haseditpermission = UserSecurity.IsAuthorized(PageState.User, RoleNames.Host);
_files = new List<File>();
}
else
{
Folder folder = _folders.FirstOrDefault(item => item.FolderId == FolderId);
if (folder != null)
{
_haseditpermission = UserSecurity.IsAuthorized(PageState.User, PermissionNames.Edit, folder.Permissions);
_files = await FileService.GetFilesAsync(FolderId);
}
else
{
_haseditpermission = false;
_files = new List<File>();
}
}
if (_filter != "*")
{
List<File> filtered = new List<File>();
foreach (File file in _files)
{
if (_filter.ToUpper().IndexOf("." + file.Extension.ToUpper()) != -1)
{
filtered.Add(file);
}
}
_files = filtered;
}
}
private async Task GetFiles()
{
_haseditpermission = false;
if (Folder == Constants.PackagesFolder)
{
_haseditpermission = UserSecurity.IsAuthorized(PageState.User, RoleNames.Host);
_files = new List<File>();
}
else
{
Folder folder = _folders.FirstOrDefault(item => item.FolderId == FolderId);
if (folder != null)
{
_haseditpermission = UserSecurity.IsAuthorized(PageState.User, PermissionNames.Edit, folder.Permissions);
_files = await FileService.GetFilesAsync(FolderId);
}
else
{
_haseditpermission = false;
_files = new List<File>();
}
}
if (_filter != "*")
{
List<File> filtered = new List<File>();
foreach (File file in _files)
{
if (_filter.ToUpper().IndexOf("." + file.Extension.ToUpper()) != -1)
{
filtered.Add(file);
}
}
_files = filtered;
}
}
private async Task FolderChanged(ChangeEventArgs e)
{
_message = string.Empty;
try
{
FolderId = int.Parse((string)e.Value);
await GetFiles();
FileId = -1;
_file = null;
_image = string.Empty;
StateHasChanged();
}
catch (Exception ex)
{
await logger.LogError(ex, "Error Loading Files {Error}", ex.Message);
_message = Localizer["Error.File.Load"];
_messagetype = MessageType.Error;
}
}
private async Task FolderChanged(ChangeEventArgs e)
{
_message = string.Empty;
try
{
FolderId = int.Parse((string)e.Value);
await GetFiles();
FileId = -1;
_file = null;
_image = string.Empty;
StateHasChanged();
}
catch (Exception ex)
{
await logger.LogError(ex, "Error Loading Files {Error}", ex.Message);
_message = Localizer["Error.File.Load"];
_messagetype = MessageType.Error;
}
}
private async Task FileChanged(ChangeEventArgs e)
{
_message = string.Empty;
FileId = int.Parse((string)e.Value);
if (FileId != -1)
{
await OnSelect.InvokeAsync(FileId);
}
private async Task FileChanged(ChangeEventArgs e)
{
_message = string.Empty;
FileId = int.Parse((string)e.Value);
if (FileId != -1)
{
await OnSelect.InvokeAsync(FileId);
}
await SetImage();
StateHasChanged();
}
await SetImage();
StateHasChanged();
}
private async Task SetImage()
{
_image = string.Empty;
_file = null;
if (FileId != -1)
{
_file = await FileService.GetFileAsync(FileId);
if (_file != null && ShowImage && _file.ImageHeight != 0 && _file.ImageWidth != 0)
{
var maxwidth = 200;
var maxheight = 200;
private async Task SetImage()
{
_image = string.Empty;
_file = null;
if (FileId != -1)
{
_file = await FileService.GetFileAsync(FileId);
if (_file != null && ShowImage && _file.ImageHeight != 0 && _file.ImageWidth != 0)
{
var maxwidth = 200;
var maxheight = 200;
var ratioX = (double)maxwidth / (double)_file.ImageWidth;
var ratioY = (double)maxheight / (double)_file.ImageHeight;
var ratio = ratioX < ratioY ? ratioX : ratioY;
var ratioX = (double)maxwidth / (double)_file.ImageWidth;
var ratioY = (double)maxheight / (double)_file.ImageHeight;
var ratio = ratioX < ratioY ? ratioX : ratioY;
_image = "<img src=\"" + _file.Url + "\" alt=\"" + _file.Name +
"\" width=\"" + Convert.ToInt32(_file.ImageWidth * ratio).ToString() +
"\" height=\"" + Convert.ToInt32(_file.ImageHeight * ratio).ToString() + "\" />";
}
}
}
_image = "<img src=\"" + _file.Url + "\" alt=\"" + _file.Name +
"\" width=\"" + Convert.ToInt32(_file.ImageWidth * ratio).ToString() +
"\" height=\"" + Convert.ToInt32(_file.ImageHeight * ratio).ToString() + "\" />";
}
}
}
private async Task UploadFile()
{
_message = string.Empty;
var interop = new Interop(JSRuntime);
var upload = await interop.GetFiles(_fileinputid);
if (upload.Length > 0)
{
try
{
string result;
if (Folder == Constants.PackagesFolder)
{
result = await FileService.UploadFilesAsync(Folder, upload, _guid);
}
else
{
result = await FileService.UploadFilesAsync(FolderId, upload, _guid);
}
private async Task UploadFile()
{
_message = string.Empty;
var interop = new Interop(JSRuntime);
var upload = await interop.GetFiles(_fileinputid);
if (upload.Length > 0)
{
string restricted = "";
foreach (var file in upload)
{
var extension = (file.LastIndexOf(".") != -1) ? file.Substring(file.LastIndexOf(".") + 1) : "";
if (!Constants.UploadableFiles.Split(',').Contains(extension.ToLower()))
{
restricted += (restricted == "" ? "" : ",") + extension;
}
}
if (restricted == "")
{
try
{
string result;
if (Folder == Constants.PackagesFolder)
{
result = await FileService.UploadFilesAsync(Folder, upload, _guid);
}
else
{
result = await FileService.UploadFilesAsync(FolderId, upload, _guid);
}
if (result == string.Empty)
{
await logger.LogInformation("File Upload Succeeded {Files}", upload);
if (ShowSuccess)
{
_message = Localizer["Success.File.Upload"];
_messagetype = MessageType.Success;
}
if (result == string.Empty)
{
await logger.LogInformation("File Upload Succeeded {Files}", upload);
if (ShowSuccess)
{
_message = Localizer["Success.File.Upload"];
_messagetype = MessageType.Success;
}
// set FileId to first file in upload collection
await GetFiles();
var file = _files.Where(item => item.Name == upload[0]).FirstOrDefault();
if (file != null)
{
FileId = file.FileId;
await SetImage();
await OnUpload.InvokeAsync(FileId);
}
StateHasChanged();
}
else
{
await logger.LogError("File Upload Failed For {Files}", result.Replace(",", ", "));
// set FileId to first file in upload collection
await GetFiles();
var file = _files.Where(item => item.Name == upload[0]).FirstOrDefault();
if (file != null)
{
FileId = file.FileId;
await SetImage();
await OnUpload.InvokeAsync(FileId);
}
StateHasChanged();
}
else
{
await logger.LogError("File Upload Failed For {Files}", result.Replace(",", ", "));
_message = Localizer["Error.File.Upload"];
_messagetype = MessageType.Error;
}
}
catch (Exception ex)
{
await logger.LogError(ex, "File Upload Failed {Error}", ex.Message);
_message = Localizer["Error.File.Upload"];
_messagetype = MessageType.Error;
}
}
catch (Exception ex)
{
await logger.LogError(ex, "File Upload Failed {Error}", ex.Message);
_message = Localizer["Error.File.Upload"];
_messagetype = MessageType.Error;
}
}
_message = Localizer["Error.File.Upload"];
_messagetype = MessageType.Error;
}
}
else
{
_message = string.Format(Localizer["Message.File.Restricted"], restricted);
_messagetype = MessageType.Warning;
}
}
else
{
_message = Localizer["Message.File.NotSelected"];