public IActionResult UploadFileValidation()
{
Func <string, string, bool> validationFunction = (filePath, mimeType) => {
long size = new System.IO.FileInfo(filePath).Length;
if (size > 10 * 1024 * 1024)
{
return(false);
}
return(true);
};
FroalaEditor.FileOptions options = new FroalaEditor.FileOptions
{
Fieldname = "myFile",
Validation = new FileValidation(validationFunction)
};
try
{
return(Json(Image.Upload(HttpContext, fileRoute, options)));
}
catch (Exception e)
{
return(Json(e));
}
}
/// <summary>
/// Uploads a file to disk.
/// </summary>
/// <param name="httpContext">The HttpContext object containing information about the request.</param>
/// <param name="fileRoute">Server route where the file will be uploaded. This route must be public to be accesed by the editor.</param>
/// <param name="options">File options.</param>
/// <returns>Object with link.</returns>
public static object Upload(HttpContext httpContext, string fileRoute, FileOptions options = null)
{
// Use default file options.
if (options == null)
{
options = defaultOptions;
}
if (!CheckContentType(httpContext))
{
throw new Exception("Invalid contentType. It must be " + MultipartContentType);
}
var httpRequest = httpContext.Request;
int filesCount = 0;
#if netcore
filesCount = httpRequest.Form.Files.Count;
#else
filesCount = httpRequest.Files.Count;
#endif
if (filesCount == 0)
{
throw new Exception("No file found");
}
// Get HTTP posted file based on the fieldname.
#if netcore
var file = httpRequest.Form.Files.GetFile(options.Fieldname);
#else
var file = httpRequest.Files.Get(options.Fieldname);
#endif
if (file == null)
{
throw new Exception("Fieldname is not correct. It must be: " + options.Fieldname);
}
// Generate Random name.
string extension = Utils.GetFileExtension(file.FileName);
string name = $"{Utils.GenerateUniqueString()}.{extension}";
string link = fileRoute + name;
// Bug Fixes in File.cs #2
// https://github.com/froala/wysiwyg-editor-dotnet-sdk/issues/2
// Create directory if it doesn't exist.
var fileRoutePath = new FileInfo(File.GetAbsoluteServerPath(fileRoute));
if (fileRoutePath.Directory != null && !fileRoutePath.Directory.Exists)
{
fileRoutePath.Directory.Create();
}
// Copy contents to memory stream.
Stream stream;
#if netcore
stream = new MemoryStream();
file.CopyTo(stream);
stream.Position = 0;
#else
stream = file.InputStream;
#endif
String serverPath = File.GetAbsoluteServerPath(link);
// Save file to disk.
Save(stream, serverPath, options);
// Check if the file is valid.
if (options.Validation != null && !options.Validation.Check(serverPath, file.ContentType))
{
// Bug Fixes in File.cs #2
// https://github.com/froala/wysiwyg-editor-dotnet-sdk/issues/2
// Delete "link"
Delete(link);
throw new Exception("File does not meet the validation.");
}
// Make sure it is compatible with ASP.NET Core.
return(new { link = link.Replace("wwwroot/", "") });
}
internal static object Upload(HttpContext httpContext, string fileRoute, FroalaEditor.FileOptions options)
{
//Use default file options.
//if (options == null)
//{
// options = defaultOptions;
//}
if (!CheckContentType(httpContext))
{
throw new Exception("Invalid contentType. It must be " + MultipartContentType);
}
var httpRequest = httpContext.Request;
int filesCount = 0;
filesCount = httpRequest.Form.Files.Count;
if (filesCount == 0)
{
throw new Exception("No file found");
}
// Get HTTP posted file based on the fieldname.
var file = httpRequest.Form.Files.GetFile(options.Fieldname);
if (file == null)
{
throw new Exception("Fieldname is not correct. It must be: " + options.Fieldname);
}
// Generate Random name.
string extension = Utils.GetFileExtension(file.FileName);
string name = Utils.GenerateUniqueString() + "." + extension;
string link = fileRoute + name;
// Create directory if it doesn't exist.
FileInfo dir = new FileInfo(fileRoute);
dir.Directory.Create();
// Copy contents to memory stream.
Stream stream;
stream = new MemoryStream();
file.CopyTo(stream);
stream.Position = 0;
String serverPath = GetAbsoluteServerPath(link);
// Save file to disk.
//Save(stream, serverPath, options);
// Check if the file is valid.
if (options.Validation != null && !options.Validation.Check(serverPath, file.ContentType))
{
// Delete file.
Delete(serverPath);
throw new Exception("File does not meet the validation.");
}
// Make sure it is compatible with ASP.NET Core.
return(new { link = link.Replace("wwwroot", "") });
}
