private string CopyTemporaryFiles(ISaveRequestHandler handler,
UploadedFile[] oldFileList, UploadedFile[] newFileList, FilesToDelete filesToDelete)
{
foreach (var file in newFileList)
{
var filename = file.Filename.Trim();
if (oldFileList.Any(x => String.Compare(x.Filename.Trim(), filename, StringComparison.OrdinalIgnoreCase) == 0))
{
continue;
}
if (!filename.ToLowerInvariant().StartsWith("temporary/"))
{
throw new InvalidOperationException("For security reasons, only temporary files can be used in uploads!");
}
ImageUploadBehavior.CheckUploadedImageAndCreateThumbs(attr, ref filename);
var idField = (Field)(((IIdRow)handler.Row).IdField);
var copyResult = uploadHelper.CopyTemporaryFile(filename, idField.AsObject(handler.Row), filesToDelete,
s => ImageUploadBehavior.ProcessReplaceFields(s, this.replaceFields, handler));
if (!attr.SubFolder.IsEmptyOrNull())
{
copyResult.DbFileName = copyResult.DbFileName.Substring(attr.SubFolder.Length + 1);
}
file.Filename = copyResult.DbFileName;
}
return(JSON.Stringify(newFileList));
}
private string CopyTemporaryFiles(ISaveRequestHandler handler,
UploadedFile[] oldFileList, UploadedFile[] newFileList, FilesToDelete filesToDelete)
{
foreach (var file in newFileList)
{
var filename = file.Filename.Trim();
if (oldFileList.Any(x => String.Compare(x.Filename.Trim(), filename, StringComparison.OrdinalIgnoreCase) == 0))
{
continue;
}
if (!filename.ToLowerInvariant().StartsWith("temporary/"))
{
throw new InvalidOperationException("For security reasons, only temporary files can be used in uploads!");
}
var uploadHelper = new UploadHelper((subFolder.IsEmptyOrNull() ? "" : (subFolder + "/")) + fileNameFormat);
var idField = (Field)(((IIdRow)handler.Row).IdField);
var copyResult = uploadHelper.CopyTemporaryFile(filename, idField.AsObject(handler.Row), filesToDelete);
if (subFolder != null && !this.storeSubFolderInDB)
{
copyResult.DbFileName = copyResult.DbFileName.Substring(subFolder.Length + 1);
}
file.Filename = copyResult.DbFileName;
}
return(JSON.Stringify(newFileList));
}
private CopyTemporaryFileResult CopyTemporaryFile(ISaveRequestHandler handler)
{
var filename = (StringField)(handler.Row.FindField(this.fileNameField) ?? handler.Row.FindFieldByPropertyName(fileNameField));
var newFilename = filename[handler.Row] = filename[handler.Row].TrimToNull();
var uploadHelper = new UploadHelper((subFolder.IsEmptyOrNull() ? "" : (subFolder + "/")) + fileNameFormat);
var copyResult = uploadHelper.CopyTemporaryFile(newFilename, ((IIdRow)handler.Row).IdField[handler.Row].Value, filesToDelete);
if (subFolder != null && !this.storeSubFolderInDB)
{
copyResult.DbFileName = copyResult.DbFileName.Substring(subFolder.Length + 1);
}
return(copyResult);
}
private CopyTemporaryFileResult CopyTemporaryFile(ISaveRequestHandler handler, FilesToDelete filesToDelete)
{
var fileName = (StringField)Target;
var newFilename = fileName[handler.Row] = fileName[handler.Row].TrimToNull();
CheckUploadedImageAndCreateThumbs(attr, ref newFilename);
var copyResult = uploadHelper.CopyTemporaryFile(newFilename, ((IIdRow)handler.Row).IdField[handler.Row].Value, filesToDelete);
if (!attr.SubFolder.IsEmptyOrNull())
{
copyResult.DbFileName = copyResult.DbFileName.Substring(attr.SubFolder.Length + 1);
}
return(copyResult);
}
private CopyTemporaryFileResult CopyTemporaryFile(ISaveRequestHandler handler, FilesToDelete filesToDelete)
{
var fileName = (StringField)Target;
var newFilename = fileName[handler.Row] = fileName[handler.Row].TrimToNull();
CheckUploadedImageAndCreateThumbs(attr, ref newFilename);
var idField = (Field)(((IIdRow)handler.Row).IdField);
var copyResult = uploadHelper.CopyTemporaryFile(newFilename, idField.AsObject(handler.Row), filesToDelete,
s => ImageUploadBehavior.ProcessReplaceFields(s, this.replaceFields, handler.Row));
if (!attr.SubFolder.IsEmptyOrNull())
{
copyResult.DbFileName = copyResult.DbFileName.Substring(attr.SubFolder.Length + 1);
}
return(copyResult);
}
public static AttachmentList GetAttachmentList(MimeMessage message,
bool forReply, FilesToDelete filesToDelete)
{
var uploadHelper = new UploadHelper("Nortwind/Mail/{3:yyyyMM}/{4}");
var result = new AttachmentList();
result.ByIndex = new Dictionary <int, AttachmentInfo>();
result.InOrder = new List <AttachmentInfo>();
var attachmentNumber = 0;
var visitor = new EmailPreviewVisitor(message, (mime, embedUrl) =>
{
var sameAttachment = result.InOrder.FirstOrDefault(x => x.Mime == mime);
if (sameAttachment != null)
{
sameAttachment.IsEmbedded = sameAttachment.IsEmbedded || embedUrl != null;
return(sameAttachment.Url);
}
++attachmentNumber;
string fileName;
string downUrl = null;
byte[] buffer;
using (var output = new MemoryStream())
{
(mime as MimePart).Content.DecodeTo(output);
buffer = output.GetBuffer();
}
if (mime is MessagePart)
{
fileName = mime.ContentDisposition?.FileName ?? (mime.ContentType.Name ?? "attached" + attachmentNumber + ".eml");
}
else
{
fileName = ((MimePart)mime).FileName ?? "file" + attachmentNumber + ".dat";
}
if (embedUrl != null)
{
downUrl = string.Format("data:{0};base64,{1}",
mime.ContentType.MimeType, Convert.ToBase64String(buffer, 0, buffer.Length));
}
else
{
var processor = new UploadProcessor
{
ThumbWidth = 128,
ThumbHeight = 96
};
if (processor.ProcessStream(new MemoryStream(buffer), Path.GetExtension(fileName)))
{
var temporaryFile = "temporary/" + Path.GetFileName(processor.FilePath);
using (var sw = new StreamWriter(Path.ChangeExtension(UploadHelper.DbFilePath(temporaryFile), ".orig")))
sw.WriteLine(fileName);
var copyResult = uploadHelper.CopyTemporaryFile(temporaryFile, -1, filesToDelete);
downUrl = "/upload/" + copyResult.DbFileName;
}
else
{
downUrl = "?";
}
}
var info = new AttachmentInfo
{
Key = attachmentNumber,
Filename = fileName,
Mime = mime,
Url = downUrl,
IsEmbedded = embedUrl != null,
Size = buffer.Length
};
result.ByIndex[attachmentNumber] = info;
result.InOrder.Add(info);
return(downUrl);
}, forReply);
message.Accept(visitor);
result.HtmlBody = visitor.HtmlBody;
return(result);
}