public static File GetParams(object fileId, int version, string doc, bool editPossible, bool tryEdit, bool tryCoauth, out Configuration configuration)
{
File file;
var lastVersion = true;
FileShare linkRight;
using (var fileDao = Global.DaoFactory.GetFileDao())
{
linkRight = FileShareLink.Check(doc, fileDao, out file);
if (file == null)
{
var curFile = fileDao.GetFile(fileId);
if (curFile != null && 0 < version && version < curFile.Version)
{
file = fileDao.GetFile(fileId, version);
lastVersion = false;
}
else
{
file = curFile;
}
}
}
return(GetParams(file, lastVersion, linkRight, true, true, editPossible, tryEdit, tryCoauth, out configuration));
}
public File <T> GetParams <T>(T fileId, int version, string doc, bool editPossible, bool tryEdit, bool tryCoauth, out Configuration <T> configuration)
{
var lastVersion = true;
FileShare linkRight;
var fileDao = DaoFactory.GetFileDao <T>();
linkRight = FileShareLink.Check(doc, fileDao, out var file);
if (file == null)
{
var curFile = fileDao.GetFile(fileId);
if (curFile != null && 0 < version && version < curFile.Version)
{
file = fileDao.GetFile(fileId, version);
lastVersion = false;
}
else
{
file = curFile;
}
}
return(GetParams(file, lastVersion, linkRight, true, true, editPossible, tryEdit, tryCoauth, out configuration));
}
public static File GetParams(object fileId, int version, string shareLinkKey, bool itsNew, bool editPossible, bool tryEdit, out DocumentServiceParams docServiceParams)
{
File file;
var lastVersion = true;
var rightToEdit = true;
var rightToReview = true;
var checkLink = false;
using (var fileDao = Global.DaoFactory.GetFileDao())
{
var fileShare = FileShareLink.Check(shareLinkKey, fileDao, out file);
switch (fileShare)
{
case FileShare.ReadWrite:
checkLink = true;
break;
case FileShare.Review:
rightToEdit = false;
checkLink = true;
break;
case FileShare.Read:
editPossible = false;
rightToEdit = false;
rightToReview = false;
checkLink = true;
break;
}
if (file == null)
{
var curFile = fileDao.GetFile(fileId);
if (curFile != null && 0 < version && version < curFile.Version)
{
file = fileDao.GetFile(fileId, version);
lastVersion = false;
}
else
{
file = curFile;
}
}
}
return(GetParams(file, lastVersion, checkLink, itsNew, editPossible, rightToEdit, rightToReview, tryEdit, out docServiceParams));
}
private static void DownloadFile(HttpContext context)
{
var flushed = false;
try
{
var id = context.Request[FilesLinkUtility.FileId];
var doc = context.Request[FilesLinkUtility.DocShareKey] ?? "";
using (var fileDao = Global.DaoFactory.GetFileDao())
{
File file;
var readLink = FileShareLink.Check(doc, true, fileDao, out file);
if (!readLink && file == null)
{
fileDao.InvalidateCache(id);
int version;
file = int.TryParse(context.Request[FilesLinkUtility.Version], out version) && version > 0
? fileDao.GetFile(id, version)
: fileDao.GetFile(id);
}
if (file == null)
{
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
return;
}
if (!readLink && !Global.GetFilesSecurity().CanRead(file))
{
context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
return;
}
if (!string.IsNullOrEmpty(file.Error))
{
throw new Exception(file.Error);
}
if (!fileDao.IsExistOnStorage(file))
{
Global.Logger.ErrorFormat("Download file error. File is not exist on storage. File id: {0}.", file.ID);
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
return;
}
FileMarker.RemoveMarkAsNew(file);
context.Response.Clear();
context.Response.ClearHeaders();
context.Response.Charset = "utf-8";
var title = file.Title.Replace(',', '_');
var ext = FileUtility.GetFileExtension(file.Title);
var outType = context.Request[FilesLinkUtility.OutType];
if (!string.IsNullOrEmpty(outType))
{
outType = outType.Trim();
if (FileUtility.ExtsConvertible[ext].Contains(outType))
{
ext = outType;
title = FileUtility.ReplaceFileExtension(title, ext);
}
}
context.Response.AddHeader("Content-Disposition", ContentDispositionUtil.GetHeaderValue(title));
context.Response.ContentType = MimeMapping.GetMimeMapping(title);
//// Download file via nginx
//if (CoreContext.Configuration.Standalone &&
// WorkContext.IsMono &&
// Global.GetStore() is DiscDataStore &&
// !file.ProviderEntry &&
// !FileConverter.EnableConvert(file, ext)
// )
//{
// var diskDataStore = (DiscDataStore)Global.GetStore();
// var pathToFile = diskDataStore.GetPhysicalPath(String.Empty, FileDao.GetUniqFilePath(file));
// context.Response.Headers.Add("X-Accel-Redirect", "/filesData" + pathToFile);
// FilesMessageService.Send(file, context.Request, MessageAction.FileDownloaded, file.Title);
// return;
//}
if (string.Equals(context.Request.Headers["If-None-Match"], GetEtag(file)))
{
//Its cached. Reply 304
context.Response.StatusCode = (int)HttpStatusCode.NotModified;
context.Response.Cache.SetETag(GetEtag(file));
}
else
{
context.Response.CacheControl = "public";
context.Response.Cache.SetETag(GetEtag(file));
context.Response.Cache.SetCacheability(HttpCacheability.Public);
Stream fileStream = null;
try
{
if (file.ContentLength <= SetupInfo.AvailableFileSize)
{
if (!FileConverter.EnableConvert(file, ext))
{
if (!readLink && fileDao.IsSupportedPreSignedUri(file))
{
context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);
return;
}
fileStream = fileDao.GetFileStream(file);
context.Response.AddHeader("Content-Length", file.ContentLength.ToString(CultureInfo.InvariantCulture));
}
else
{
fileStream = FileConverter.Exec(file, ext);
context.Response.AddHeader("Content-Length", fileStream.Length.ToString(CultureInfo.InvariantCulture));
}
fileStream.StreamCopyTo(context.Response.OutputStream);
if (!context.Response.IsClientConnected)
{
Global.Logger.Warn(String.Format("Download file error {0} {1} Connection is lost. Too long to buffer the file", file.Title, file.ID));
}
FilesMessageService.Send(file, context.Request, MessageAction.FileDownloaded, file.Title);
context.Response.Flush();
flushed = true;
}
else
{
context.Response.Buffer = false;
context.Response.ContentType = "application/octet-stream";
long offset = 0;
if (context.Request.Headers["Range"] != null)
{
context.Response.StatusCode = 206;
var range = context.Request.Headers["Range"].Split(new[] { '=', '-' });
offset = Convert.ToInt64(range[1]);
}
if (offset > 0)
{
Global.Logger.Info("Starting file download offset is " + offset);
}
context.Response.AddHeader("Connection", "Keep-Alive");
context.Response.AddHeader("Accept-Ranges", "bytes");
if (offset > 0)
{
context.Response.AddHeader("Content-Range", String.Format(" bytes {0}-{1}/{2}", offset, file.ContentLength - 1, file.ContentLength));
}
var dataToRead = file.ContentLength;
const int bufferSize = 8 * 1024; // 8KB
var buffer = new Byte[bufferSize];
if (!FileConverter.EnableConvert(file, ext))
{
if (!readLink && fileDao.IsSupportedPreSignedUri(file))
{
context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);
return;
}
fileStream = fileDao.GetFileStream(file, offset);
context.Response.AddHeader("Content-Length", (file.ContentLength - offset).ToString(CultureInfo.InvariantCulture));
}
else
{
fileStream = FileConverter.Exec(file, ext);
if (offset > 0)
{
var startBytes = offset;
while (startBytes > 0)
{
long readCount;
if (bufferSize >= startBytes)
{
readCount = startBytes;
}
else
{
readCount = bufferSize;
}
var length = fileStream.Read(buffer, 0, (int)readCount);
startBytes -= length;
}
}
}
while (dataToRead > 0)
{
int length;
try
{
length = fileStream.Read(buffer, 0, bufferSize);
}
catch (HttpException exception)
{
Global.Logger.Error(
String.Format("Read from stream is error. Download file {0} {1}. Maybe Connection is lost.?? Error is {2} ",
file.Title,
file.ID,
exception
));
throw;
}
if (context.Response.IsClientConnected)
{
context.Response.OutputStream.Write(buffer, 0, length);
context.Response.Flush();
flushed = true;
dataToRead = dataToRead - length;
}
else
{
dataToRead = -1;
Global.Logger.Warn(String.Format("IsClientConnected is false. Why? Download file {0} {1} Connection is lost. ", file.Title, file.ID));
}
}
}
}
catch (ThreadAbortException)
{
}
catch (HttpException e)
{
throw new HttpException((int)HttpStatusCode.BadRequest, e.Message);
}
finally
{
if (fileStream != null)
{
fileStream.Close();
fileStream.Dispose();
}
}
try
{
context.Response.End();
flushed = true;
}
catch (HttpException)
{
}
}
}
}
catch (ThreadAbortException)
{
}
catch (Exception ex)
{
// Get stack trace for the exception with source file information
var st = new StackTrace(ex, true);
// Get the top stack frame
var frame = st.GetFrame(0);
// Get the line number from the stack frame
var line = frame.GetFileLineNumber();
Global.Logger.ErrorFormat("Url: {0} {1} IsClientConnected:{2}, line number:{3} frame:{4}", context.Request.Url, ex, context.Response.IsClientConnected, line, frame);
if (!flushed && context.Response.IsClientConnected)
{
context.Response.StatusCode = 400;
context.Response.Write(HttpUtility.HtmlEncode(ex.Message));
}
}
}
public MailAttachment AttachFileFromDocuments(int tenant, string user, int messageId, string fileId,
string version, string shareLink)
{
MailAttachment result;
using (var fileDao = FilesIntegration.GetFileDao())
{
File file;
var checkLink = FileShareLink.Check(shareLink, true, fileDao, out file);
if (!checkLink && file == null)
{
file = string.IsNullOrEmpty(version)
? fileDao.GetFile(fileId)
: fileDao.GetFile(fileId, Convert.ToInt32(version));
}
if (file == null)
{
throw new AttachmentsException(AttachmentsException.Types.DocumentNotFound, "File not found.");
}
if (!checkLink && !FilesIntegration.GetFileSecurity().CanRead(file))
{
throw new AttachmentsException(AttachmentsException.Types.DocumentAccessDenied,
"Access denied.");
}
if (!fileDao.IsExistOnStorage(file))
{
throw new AttachmentsException(AttachmentsException.Types.DocumentNotFound,
"File not exists on storage.");
}
_log.Info("Original file id: {0}", file.ID);
_log.Info("Original file name: {0}", file.Title);
var fileExt = FileUtility.GetFileExtension(file.Title);
var curFileType = FileUtility.GetFileTypeByFileName(file.Title);
_log.Info("File converted type: {0}", file.ConvertedType);
if (file.ConvertedType != null)
{
switch (curFileType)
{
case FileType.Image:
fileExt = file.ConvertedType == ".zip" ? ".pptt" : file.ConvertedType;
break;
case FileType.Spreadsheet:
fileExt = file.ConvertedType != ".xlsx" ? ".xlst" : file.ConvertedType;
break;
default:
if (file.ConvertedType == ".doct" || file.ConvertedType == ".xlst" || file.ConvertedType == ".pptt")
{
fileExt = file.ConvertedType;
}
break;
}
}
var convertToExt = string.Empty;
switch (curFileType)
{
case FileType.Document:
if (fileExt == ".doct")
{
convertToExt = ".docx";
}
break;
case FileType.Spreadsheet:
if (fileExt == ".xlst")
{
convertToExt = ".xlsx";
}
break;
case FileType.Presentation:
if (fileExt == ".pptt")
{
convertToExt = ".pptx";
}
break;
}
if (!string.IsNullOrEmpty(convertToExt) && fileExt != convertToExt)
{
var fileName = Path.ChangeExtension(file.Title, convertToExt);
_log.Info("Changed file name - {0} for file {1}:", fileName, file.ID);
using (var readStream = FileConverter.Exec(file, convertToExt))
{
if (readStream == null)
{
throw new AttachmentsException(AttachmentsException.Types.DocumentAccessDenied, "Access denied.");
}
using (var memStream = new MemoryStream())
{
readStream.StreamCopyTo(memStream);
result = AttachFile(tenant, user, messageId, fileName, memStream);
_log.Info("Attached attachment: ID - {0}, Name - {1}, StoredUrl - {2}", result.fileName, result.fileName, result.storedFileUrl);
}
}
}
else
{
using (var readStream = fileDao.GetFileStream(file))
{
if (readStream == null)
{
throw new AttachmentsException(AttachmentsException.Types.DocumentAccessDenied, "Access denied.");
}
result = AttachFile(tenant, user, messageId, file.Title, readStream);
_log.Info("Attached attachment: ID - {0}, Name - {1}, StoredUrl - {2}", result.fileName, result.fileName, result.storedFileUrl);
}
}
}
return(result);
}
public MailAttachment AttachFileFromDocuments(int id_tenant, string id_user, int id_message, string id_file,
string version, string share_link, string id_stream)
{
MailAttachment result;
using (var file_dao = FilesIntegration.GetFileDao())
{
Files.Core.File file;
var check_link = FileShareLink.Check(share_link, true, file_dao, out file);
if (!check_link && file == null)
{
file = String.IsNullOrEmpty(version)
? file_dao.GetFile(id_file)
: file_dao.GetFile(id_file, Convert.ToInt32(version));
}
if (file == null)
{
throw new AttachmentsException(AttachmentsException.Types.DOCUMENT_NOT_FOUND, "File not found.");
}
if (!check_link && !FilesIntegration.GetFileSecurity().CanRead(file))
{
throw new AttachmentsException(AttachmentsException.Types.DOCUMENT_ACCESS_DENIED,
"Access denied.");
}
if (!file_dao.IsExistOnStorage(file))
{
throw new AttachmentsException(AttachmentsException.Types.DOCUMENT_NOT_FOUND,
"File not exists on storage.");
}
var file_ext = FileUtility.GetFileExtension(file.Title);
var cur_file_type = FileUtility.GetFileTypeByFileName(file.Title);
if (file.ConvertedType != null)
{
if (cur_file_type == FileType.Image)
{
file_ext = file.ConvertedType == ".zip" ? ".pptt" : file.ConvertedType;
}
else if (cur_file_type == FileType.Spreadsheet)
{
file_ext = file.ConvertedType != ".xlsx" ? ".xlst" : file.ConvertedType;
}
else if (file.ConvertedType == ".doct" || file.ConvertedType == ".xlst" || file.ConvertedType == ".pptt")
{
file_ext = file.ConvertedType;
}
}
var convert_to_ext = string.Empty;
switch (cur_file_type)
{
case FileType.Document:
if (file_ext == ".doct")
{
convert_to_ext = ".docx";
}
break;
case FileType.Spreadsheet:
if (file_ext == ".xlst")
{
convert_to_ext = ".xlsx";
}
break;
case FileType.Presentation:
if (file_ext == ".pptt")
{
convert_to_ext = ".pptx";
}
break;
}
if (!string.IsNullOrEmpty(convert_to_ext) && file_ext != convert_to_ext)
{
var file_name = Path.ChangeExtension(file.Title, convert_to_ext);
using (var read_stream = FileConverter.Exec(file, convert_to_ext))
{
if (read_stream != null)
{
using (var mem_stream = new MemoryStream())
{
read_stream.StreamCopyTo(mem_stream);
result = AttachFile(id_tenant, id_user, id_message, file_name, mem_stream,
id_stream);
}
}
else
{
throw new AttachmentsException(AttachmentsException.Types.DOCUMENT_ACCESS_DENIED,
"Access denied.");
}
}
}
else
{
using (var read_stream = file_dao.GetFileStream(file))
{
if (read_stream != null)
{
result = AttachFile(id_tenant, id_user, id_message, file.Title, read_stream, id_stream);
}
else
{
throw new AttachmentsException(AttachmentsException.Types.DOCUMENT_ACCESS_DENIED,
"Access denied.");
}
}
}
}
return(result);
}
private static void DifferenceFile(HttpContext context)
{
try
{
using (var fileDao = Global.DaoFactory.GetFileDao())
{
var id = context.Request[FilesLinkUtility.FileId];
int version;
int.TryParse(context.Request[FilesLinkUtility.Version] ?? "", out version);
var doc = context.Request[FilesLinkUtility.DocShareKey];
File file;
var linkRight = FileShareLink.Check(doc, fileDao, out file);
if (linkRight == FileShare.Restrict && !SecurityContext.IsAuthenticated)
{
var auth = context.Request[FilesLinkUtility.AuthKey];
var validateResult = EmailValidationKeyProvider.ValidateEmailKey(id + version, auth ?? "", Global.StreamUrlExpire);
if (validateResult != EmailValidationKeyProvider.ValidationResult.Ok)
{
var exc = new HttpException((int)HttpStatusCode.Forbidden, FilesCommonResource.ErrorMassage_SecurityException);
Global.Logger.Error(string.Format("{0} {1}: {2}", FilesLinkUtility.AuthKey, validateResult, context.Request.Url), exc);
context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
context.Response.Write(FilesCommonResource.ErrorMassage_SecurityException);
return;
}
}
fileDao.InvalidateCache(id);
if (file == null ||
version > 0 && file.Version != version)
{
file = version > 0
? fileDao.GetFile(id, version)
: fileDao.GetFile(id);
}
if (file == null)
{
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
return;
}
if (linkRight == FileShare.Restrict && SecurityContext.IsAuthenticated && !Global.GetFilesSecurity().CanRead(file))
{
context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
return;
}
if (!string.IsNullOrEmpty(file.Error))
{
context.Response.StatusDescription = file.Error;
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
return;
}
context.Response.AddHeader("Content-Disposition", ContentDispositionUtil.GetHeaderValue(".zip"));
context.Response.ContentType = MimeMapping.GetMimeMapping(".zip");
using (var stream = fileDao.GetDifferenceStream(file))
{
context.Response.AddHeader("Content-Length", stream.Length.ToString(CultureInfo.InvariantCulture));
stream.StreamCopyTo(context.Response.OutputStream);
}
}
}
catch (Exception ex)
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
context.Response.Write(ex.Message);
Global.Logger.Error("Error for: " + context.Request.Url, ex);
return;
}
try
{
context.Response.Flush();
context.Response.SuppressContent = true;
context.ApplicationInstance.CompleteRequest();
}
catch (HttpException he)
{
Global.Logger.ErrorFormat("DifferenceFile", he);
}
}
private static void StreamFile(HttpContext context)
{
try
{
using (var fileDao = Global.DaoFactory.GetFileDao())
{
var id = context.Request[FilesLinkUtility.FileId];
int version;
if (!int.TryParse(context.Request[FilesLinkUtility.Version] ?? "", out version))
{
version = 0;
}
var doc = context.Request[FilesLinkUtility.DocShareKey];
fileDao.InvalidateCache(id);
File file;
var linkRight = FileShareLink.Check(doc, fileDao, out file);
if (linkRight == FileShare.Restrict && !SecurityContext.IsAuthenticated)
{
var auth = context.Request[FilesLinkUtility.AuthKey];
var validateResult = EmailValidationKeyProvider.ValidateEmailKey(id + version, auth ?? "", Global.StreamUrlExpire);
if (validateResult != EmailValidationKeyProvider.ValidationResult.Ok)
{
var exc = new HttpException((int)HttpStatusCode.Forbidden, FilesCommonResource.ErrorMassage_SecurityException);
Global.Logger.Error(string.Format("{0} {1}: {2}", FilesLinkUtility.AuthKey, validateResult, context.Request.Url), exc);
context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
context.Response.Write(FilesCommonResource.ErrorMassage_SecurityException);
return;
}
if (!string.IsNullOrEmpty(FileUtility.SignatureSecret))
{
try
{
var header = context.Request.Headers[FileUtility.SignatureHeader];
if (string.IsNullOrEmpty(header) || !header.StartsWith("Bearer "))
{
throw new Exception("Invalid header " + header);
}
header = header.Substring("Bearer ".Length);
JsonWebToken.JsonSerializer = new DocumentService.JwtSerializer();
var stringPayload = JsonWebToken.Decode(header, FileUtility.SignatureSecret);
Global.Logger.Debug("DocService StreamFile payload: " + stringPayload);
//var data = JObject.Parse(stringPayload);
//if (data == null)
//{
// throw new ArgumentException("DocService StreamFile header is incorrect");
//}
//var signedStringUrl = data["url"] ?? (data["payload"] != null ? data["payload"]["url"] : null);
//if (signedStringUrl == null)
//{
// throw new ArgumentException("DocService StreamFile header url is incorrect");
//}
//var signedUrl = new Uri(signedStringUrl.ToString());
//var signedQuery = signedUrl.Query;
//if (!context.Request.Url.Query.Equals(signedQuery))
//{
// throw new SecurityException(string.Format("DocService StreamFile header id not equals: {0} and {1}", context.Request.Url.Query, signedQuery));
//}
}
catch (Exception ex)
{
Global.Logger.Error("Download stream header " + context.Request.Url, ex);
context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
context.Response.Write(FilesCommonResource.ErrorMassage_SecurityException);
return;
}
}
}
if (file == null ||
version > 0 && file.Version != version)
{
file = version > 0
? fileDao.GetFile(id, version)
: fileDao.GetFile(id);
}
if (file == null)
{
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
return;
}
if (linkRight == FileShare.Restrict && SecurityContext.IsAuthenticated && !Global.GetFilesSecurity().CanRead(file))
{
context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
return;
}
if (!string.IsNullOrEmpty(file.Error))
{
context.Response.StatusDescription = file.Error;
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
return;
}
context.Response.AddHeader("Content-Disposition", ContentDispositionUtil.GetHeaderValue(file.Title));
context.Response.ContentType = MimeMapping.GetMimeMapping(file.Title);
using (var stream = fileDao.GetFileStream(file))
{
context.Response.AddHeader("Content-Length",
stream.CanSeek
? stream.Length.ToString(CultureInfo.InvariantCulture)
: file.ContentLength.ToString(CultureInfo.InvariantCulture));
stream.StreamCopyTo(context.Response.OutputStream);
}
}
}
catch (Exception ex)
{
Global.Logger.Error("Error for: " + context.Request.Url, ex);
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
context.Response.Write(ex.Message);
return;
}
try
{
context.Response.Flush();
context.Response.SuppressContent = true;
context.ApplicationInstance.CompleteRequest();
}
catch (HttpException he)
{
Global.Logger.ErrorFormat("StreamFile", he);
}
}
private static void DownloadFile(HttpContext context)
{
var flushed = false;
try
{
var id = context.Request[FilesLinkUtility.FileId];
var doc = context.Request[FilesLinkUtility.DocShareKey] ?? "";
using (var fileDao = Global.DaoFactory.GetFileDao())
{
File file;
var readLink = FileShareLink.Check(doc, true, fileDao, out file);
if (!readLink && file == null)
{
fileDao.InvalidateCache(id);
int version;
file = int.TryParse(context.Request[FilesLinkUtility.Version], out version) && version > 0
? fileDao.GetFile(id, version)
: fileDao.GetFile(id);
}
if (file == null)
{
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
return;
}
if (!readLink && !Global.GetFilesSecurity().CanRead(file))
{
context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
return;
}
if (!string.IsNullOrEmpty(file.Error))
{
throw new Exception(file.Error);
}
if (!fileDao.IsExistOnStorage(file))
{
Global.Logger.ErrorFormat("Download file error. File is not exist on storage. File id: {0}.", file.ID);
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
return;
}
FileMarker.RemoveMarkAsNew(file);
context.Response.Clear();
context.Response.ClearHeaders();
context.Response.Charset = "utf-8";
FilesMessageService.Send(file, context.Request, MessageAction.FileDownloaded, file.Title);
if (string.Equals(context.Request.Headers["If-None-Match"], GetEtag(file)))
{
//Its cached. Reply 304
context.Response.StatusCode = (int)HttpStatusCode.NotModified;
context.Response.Cache.SetETag(GetEtag(file));
}
else
{
context.Response.CacheControl = "public";
context.Response.Cache.SetETag(GetEtag(file));
context.Response.Cache.SetCacheability(HttpCacheability.Public);
Stream fileStream = null;
try
{
var title = file.Title;
if (file.ContentLength <= SetupInfo.AvailableFileSize)
{
var ext = FileUtility.GetFileExtension(file.Title);
var outType = (context.Request[FilesLinkUtility.OutType] ?? "").Trim();
if (!string.IsNullOrEmpty(outType) &&
FileUtility.ExtsConvertible.Keys.Contains(ext) &&
FileUtility.ExtsConvertible[ext].Contains(outType))
{
ext = outType;
}
long offset = 0;
long length;
if (!file.ProviderEntry &&
string.Equals(context.Request["convpreview"], "true", StringComparison.InvariantCultureIgnoreCase) &&
FFmpegService.IsConvertable(ext))
{
const string mp4Name = "content.mp4";
var mp4Path = FileDao.GetUniqFilePath(file, mp4Name);
var store = Global.GetStore();
if (!store.IsFile(mp4Path))
{
fileStream = fileDao.GetFileStream(file);
Global.Logger.InfoFormat("Converting {0} (fileId: {1}) to mp4", file.Title, file.ID);
var stream = FFmpegService.Convert(fileStream, ext);
store.Save(string.Empty, mp4Path, stream, mp4Name);
}
var fullLength = store.GetFileSize(string.Empty, mp4Path);
length = ProcessRangeHeader(context, fullLength, ref offset);
fileStream = store.GetReadStream(string.Empty, mp4Path, (int)offset);
title = FileUtility.ReplaceFileExtension(title, ".mp4");
}
else
{
if (!FileConverter.EnableConvert(file, ext))
{
if (!readLink && fileDao.IsSupportedPreSignedUri(file))
{
context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);
return;
}
fileStream = fileDao.GetFileStream(file); // getStream to fix file.ContentLength
if (fileStream.CanSeek)
{
var fullLength = file.ContentLength;
length = ProcessRangeHeader(context, fullLength, ref offset);
fileStream.Seek(offset, SeekOrigin.Begin);
}
else
{
length = file.ContentLength;
}
}
else
{
title = FileUtility.ReplaceFileExtension(title, ext);
fileStream = FileConverter.Exec(file, ext);
length = fileStream.Length;
}
}
SendStreamByChunks(context, length, title, fileStream, ref flushed);
}
else
{
if (!readLink && fileDao.IsSupportedPreSignedUri(file))
{
context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);
return;
}
fileStream = fileDao.GetFileStream(file); // getStream to fix file.ContentLength
long offset = 0;
var length = file.ContentLength;
if (fileStream.CanSeek)
{
length = ProcessRangeHeader(context, file.ContentLength, ref offset);
fileStream.Seek(offset, SeekOrigin.Begin);
}
SendStreamByChunks(context, length, title, fileStream, ref flushed);
}
}
catch (ThreadAbortException tae)
{
Global.Logger.Error("DownloadFile", tae);
}
catch (HttpException e)
{
Global.Logger.Error("DownloadFile", e);
throw new HttpException((int)HttpStatusCode.BadRequest, e.Message);
}
finally
{
if (fileStream != null)
{
fileStream.Close();
fileStream.Dispose();
}
}
try
{
context.Response.Flush();
context.Response.SuppressContent = true;
context.ApplicationInstance.CompleteRequest();
flushed = true;
}
catch (HttpException ex)
{
Global.Logger.Error("DownloadFile", ex);
}
}
}
}
catch (ThreadAbortException tae)
{
Global.Logger.Error("DownloadFile", tae);
}
catch (Exception ex)
{
// Get stack trace for the exception with source file information
var st = new StackTrace(ex, true);
// Get the top stack frame
var frame = st.GetFrame(0);
// Get the line number from the stack frame
var line = frame.GetFileLineNumber();
Global.Logger.ErrorFormat("Url: {0} {1} IsClientConnected:{2}, line number:{3} frame:{4}", context.Request.Url, ex, context.Response.IsClientConnected, line, frame);
if (!flushed && context.Response.IsClientConnected)
{
context.Response.StatusCode = 400;
context.Response.Write(HttpUtility.HtmlEncode(ex.Message));
}
}
}
private static void SaveFile(HttpContext context)
{
try
{
var shareLinkKey = context.Request[CommonLinkUtility.DocShareKey] ?? "";
var fileID = context.Request[CommonLinkUtility.FileId];
if (string.IsNullOrEmpty(fileID))
{
throw new ArgumentNullException(fileID);
}
var downloadUri = context.Request[CommonLinkUtility.FileUri];
if (string.IsNullOrEmpty(downloadUri))
{
throw new ArgumentNullException(downloadUri);
}
using (var fileDao = Global.DaoFactory.GetFileDao())
{
File file;
var checkLink = FileShareLink.Check(shareLinkKey, false, fileDao, out file);
if (!checkLink && file == null)
{
file = fileDao.GetFile(fileID);
}
if (file == null)
{
throw new HttpException((int)HttpStatusCode.NotFound, FilesCommonResource.ErrorMassage_FileNotFound);
}
if (!checkLink && (!Global.GetFilesSecurity().CanEdit(file) || CoreContext.UserManager.GetUsers(SecurityContext.CurrentAccount.ID).IsVisitor()))
{
throw new SecurityException(FilesCommonResource.ErrorMassage_SecurityException_EditFile);
}
if (file.RootFolderType == FolderType.TRASH)
{
throw new HttpException((int)HttpStatusCode.Forbidden, FilesCommonResource.ErrorMassage_ViewTrashItem);
}
var versionEdit = context.Request[CommonLinkUtility.Version];
var currentType = file.ConvertedType ?? FileUtility.GetFileExtension(file.Title);
var newType = FileUtility.GetFileExtension(downloadUri);
var updateVersion = file.Version > 1 || file.ConvertedType == null || string.IsNullOrEmpty(context.Request[UrlConstant.New]);
if ((string.IsNullOrEmpty(versionEdit) || file.Version <= Convert.ToInt32(versionEdit) || currentType != newType) &&
updateVersion &&
!FileLocker.LockVersion(file.ID))
{
file.Version++;
}
file.ConvertedType = newType;
if (file.ProviderEntry && !newType.Equals(currentType))
{
var key = DocumentServiceConnector.GenerateRevisionId(downloadUri);
DocumentServiceConnector.GetConvertedUri(downloadUri, newType, currentType, key, false, out downloadUri);
}
var req = (HttpWebRequest)WebRequest.Create(downloadUri);
using (var editedFileStream = new ResponseStream(req.GetResponse()))
{
file.ContentLength = editedFileStream.Length;
file = fileDao.SaveFile(file, editedFileStream);
}
bool checkRight;
var tabId = new Guid(context.Request["tabId"]);
FileLocker.ProlongLock(file.ID, tabId, true, out checkRight);
if (checkRight)
{
FileLocker.ChangeRight(file.ID, SecurityContext.CurrentAccount.ID, false);
}
FileMarker.MarkAsNew(file);
FileMarker.RemoveMarkAsNew(file);
}
}
catch (Exception ex)
{
Global.Logger.Error(ex.Message, ex);
context.Response.Write("{ \"error\": \"true\", \"message\": \"" + ex.Message + "\" }");
}
}
private static void DownloadFile(HttpContext context, bool inline)
{
if (!string.IsNullOrEmpty(context.Request[CommonLinkUtility.TryParam]))
{
DownloadTry(context);
return;
}
try
{
var id = context.Request[CommonLinkUtility.FileId];
var shareLinkKey = context.Request[CommonLinkUtility.DocShareKey] ?? "";
using (var fileDao = Global.DaoFactory.GetFileDao())
{
File file;
var checkLink = FileShareLink.Check(shareLinkKey, true, fileDao, out file);
if (!checkLink && file == null)
{
int version;
file = int.TryParse(context.Request[CommonLinkUtility.Version], out version) && version > 0
? fileDao.GetFile(id, version)
: fileDao.GetFile(id);
}
if (file == null)
{
context.Response.Redirect("~/404.htm");
return;
}
if (!checkLink && !Global.GetFilesSecurity().CanRead(file))
{
context.Response.Redirect((context.Request.UrlReferrer != null
? context.Request.UrlReferrer.ToString()
: PathProvider.StartURL)
+ "#" + UrlConstant.Error + "/" +
HttpUtility.UrlEncode(FilesCommonResource.ErrorMassage_SecurityException_ReadFile));
return;
}
if (!fileDao.IsExistOnStorage(file))
{
Global.Logger.ErrorFormat("Download file error. File is not exist on storage. File id: {0}.", file.ID);
context.Response.Redirect("~/404.htm");
return;
}
FileMarker.RemoveMarkAsNew(file);
context.Response.Clear();
context.Response.ContentType = MimeMapping.GetMimeMapping(file.Title);
context.Response.Charset = "utf-8";
var browser = context.Request.Browser.Browser;
var title = file.Title.Replace(',', '_');
var ext = FileUtility.GetFileExtension(file.Title);
var outType = string.Empty;
var curQuota = TenantExtra.GetTenantQuota();
if (curQuota.DocsEdition || FileUtility.InternalExtension.Values.Contains(ext))
{
outType = context.Request[CommonLinkUtility.OutType];
}
if (!string.IsNullOrEmpty(outType) && !inline)
{
outType = outType.Trim();
if (FileUtility.ExtsConvertible[ext].Contains(outType))
{
ext = outType;
title = FileUtility.ReplaceFileExtension(title, ext);
}
}
context.Response.AddHeader("Content-Disposition", ContentDispositionUtil.GetHeaderValue(title, inline));
if (inline && string.Equals(context.Request.Headers["If-None-Match"], GetEtag(file)))
{
//Its cached. Reply 304
context.Response.StatusCode = (int)HttpStatusCode.NotModified;
context.Response.Cache.SetETag(GetEtag(file));
}
else
{
context.Response.CacheControl = "public";
context.Response.Cache.SetETag(GetEtag(file));
context.Response.Cache.SetCacheability(HttpCacheability.Public);
Stream fileStream = null;
try
{
if (file.ContentLength <= SetupInfo.AvailableFileSize)
{
if (file.ConvertedType == null && (string.IsNullOrEmpty(outType) || inline))
{
context.Response.AddHeader("Content-Length", file.ContentLength.ToString(CultureInfo.InvariantCulture));
if (fileDao.IsSupportedPreSignedUri(file))
{
context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);
return;
}
fileStream = fileDao.GetFileStream(file);
}
else
{
fileStream = FileConverter.Exec(file, ext);
}
fileStream.StreamCopyTo(context.Response.OutputStream);
if (!context.Response.IsClientConnected)
{
Global.Logger.Error(String.Format("Download file error {0} {1} Connection is lost. Too long to buffer the file", file.Title, file.ID));
}
context.Response.Flush();
}
else
{
long offset = 0;
if (context.Request.Headers["Range"] != null)
{
context.Response.StatusCode = 206;
var range = context.Request.Headers["Range"].Split(new[] { '=', '-' });
offset = Convert.ToInt64(range[1]);
}
if (offset > 0)
{
Global.Logger.Info("Starting file download offset is " + offset);
}
context.Response.AddHeader("Connection", "Keep-Alive");
context.Response.AddHeader("Accept-Ranges", "bytes");
if (offset > 0)
{
context.Response.AddHeader("Content-Range", String.Format(" bytes {0}-{1}/{2}", offset, file.ContentLength - 1, file.ContentLength));
}
var dataToRead = file.ContentLength;
const int bufferSize = 1024;
var buffer = new Byte[bufferSize];
if (file.ConvertedType == null && (string.IsNullOrEmpty(outType) || inline))
{
if (fileDao.IsSupportedPreSignedUri(file))
{
context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);
return;
}
fileStream = fileDao.GetFileStream(file, offset);
context.Response.AddHeader("Content-Length", (file.ContentLength - offset).ToString(CultureInfo.InvariantCulture));
}
else
{
fileStream = FileConverter.Exec(file, ext);
if (offset > 0)
{
var startBytes = offset;
while (startBytes > 0)
{
long readCount;
if (bufferSize >= startBytes)
{
readCount = startBytes;
}
else
{
readCount = bufferSize;
}
var length = fileStream.Read(buffer, 0, (int)readCount);
startBytes -= length;
}
}
}
while (dataToRead > 0)
{
int length;
try
{
length = fileStream.Read(buffer, 0, bufferSize);
}
catch (HttpException exception)
{
Global.Logger.Error(
String.Format("Read from stream is error. Download file {0} {1}. Maybe Connection is lost.?? Error is {2} ",
file.Title,
file.ID,
exception
));
throw;
}
if (context.Response.IsClientConnected)
{
context.Response.OutputStream.Write(buffer, 0, length);
dataToRead = dataToRead - length;
}
else
{
dataToRead = -1;
Global.Logger.Error(String.Format("IsClientConnected is false. Why? Download file {0} {1} Connection is lost. ", file.Title, file.ID));
}
}
}
}
catch (HttpException e)
{
throw new HttpException((int)HttpStatusCode.BadRequest, e.Message);
}
finally
{
if (fileStream != null)
{
fileStream.Flush();
fileStream.Close();
fileStream.Dispose();
}
}
try
{
context.Response.End();
}
catch (HttpException)
{
}
}
}
}
catch (Exception ex)
{
// Get stack trace for the exception with source file information
var st = new StackTrace(ex, true);
// Get the top stack frame
var frame = st.GetFrame(0);
// Get the line number from the stack frame
var line = frame.GetFileLineNumber();
Global.Logger.ErrorFormat("Url: {0} {1} IsClientConnected:{2}, line number:{3} frame:{4}", context.Request.Url, ex, context.Response.IsClientConnected, line, frame);
context.Response.StatusCode = 400;
context.Response.Write(HttpUtility.HtmlEncode(ex.Message));
}
}