private void DownloadWorkFile(int workfile_id, string md5)
{
DBWorkFileView view = null;
DBFile file = null;
string filename;
string mime;
string compressed_mime;
using (DB db = new DB()) {
WebServiceLogin login = Authentication.CreateLogin(Request);
filename = Request ["filename"];
if (!string.IsNullOrEmpty(md5)) // md5 lookup needs admin rights
{
Authentication.VerifyUserInRole(Context, db, login, Roles.Administrator, false);
file = DBFile_Extensions.Find(db, md5);
if (file == null)
{
throw new HttpException(404, "Could not find the file.");
}
mime = file.mime;
filename = file.filename;
compressed_mime = file.compressed_mime;
}
else
{
view = DBWorkFileView_Extensions.Find(db, workfile_id);
if (view == null)
{
throw new HttpException(404, "Could not find the file.");
}
if (view.@internal) // internal files need admin rights
{
Authentication.VerifyUserInRole(Context, db, login, Roles.Administrator, false);
}
else
{
Authentication.VerifyAnonymousAccess(Context, db, login);
}
if (!string.IsNullOrEmpty(filename))
{
file = DBWork_Extensions.GetFile(db, view.work_id, filename, false);
if (file == null)
{
throw new HttpException(404, string.Format("Could not find the filename '{0}'", filename));
}
mime = file.mime;
compressed_mime = file.compressed_mime;
md5 = file.md5;
view = null;
}
else
{
mime = view.mime;
filename = view.filename;
compressed_mime = view.compressed_mime;
}
}
Response.ContentType = mime;
Response.AppendHeader("Content-Disposition", "filename=\"" + Path.GetFileName(filename) + "\"");
// any access rights verified, serve the file
if (view != null)
{
if (view.file_file_id == null)
{
DownloadMd5(view.md5);
}
else
{
using (Stream str = db.Download(view)) {
DownloadStream(str, compressed_mime);
}
}
}
else
{
DownloadFile(db, file);
}
}
}
private static void ExecuteRequest(object state)
{
NetworkStream stream = null;
byte [] buffer;
int id = counter++;
string tmpfile = null;
TcpClient client = null;
BinaryReader reader = null;
BinaryWriter writer = null;
string remote_ip;
WebServiceLogin login = new WebServiceLogin();
try {
buffer = new byte [1024];
client = (TcpClient)state;
stream = client.GetStream();
stream.ReadTimeout = (int)TimeSpan.FromMinutes(5).TotalMilliseconds;
stream.WriteTimeout = stream.ReadTimeout;
reader = new BinaryReader(stream);
writer = new BinaryWriter(stream);
remote_ip = ((IPEndPoint)client.Client.RemoteEndPoint).Address.ToString();
/* Format:
* Field Length in bytes Description
* version 1 1
* name_length 1
* name <name_length>
* password_length 1
* password <password_length>
* work_id 4 The Work.id field in the database
* file_count 2
* reserved 8
*
* < file #1>
* marker 12 'MonkeyWrench'
* md5 16
* flags 1 1 = compressed, 2 = hidden
* filename_length 1
* filename <filename_length>
* <client waits for answer, either type 2 or 4, type 2: server already has data, type 4: server does not have data>
* [type: 4] compressed_mime_length 1
* [type: 4] compressed_mime <compressed_mime_length>
* [type: 4] content_length 4
* [type: 4] content <content_length>
* [type: 4] <client waits for response, type 2>
*
* < file #2 >
* ...
*
* The response data has this format:
* version 1
* type 1 1 = everything OK, 2 = file received OK, 3 = error, 4 = send file
* depending on type, here are the subsequent fields:
* [type: 3] message_length 2
* [type: 3] message <message length>
*
*/
byte version = reader.ReadByte();
byte name_length = reader.ReadByte();
login.User = ReadString(reader, buffer, name_length);
byte password_length = reader.ReadByte();
login.Password = ReadString(reader, buffer, password_length);
login.Ip4 = remote_ip;
int work_id = reader.ReadInt32();
ushort file_count = reader.ReadUInt16();
reader.ReadInt64();
Logger.Log(2, "Upload.ExecuteRequest (): {0} version: {1} work_id: {2} file count: {3} remote ip: {4}", id, version, work_id, file_count, client.Client.RemoteEndPoint.ToString());
using (DB db = new DB()) {
Authentication.VerifyUserInRole(remote_ip, db, login, Roles.BuildBot, true);
for (ushort i = 0; i < file_count; i++)
{
byte [] md5 = new byte [16];
byte flags;
bool hidden;
byte filename_length;
byte compressed_mime_length;
int content_length;
string filename;
string compressed_mime;
string marker;
marker = ReadString(reader, buffer, 12);
if (marker != "MonkeyWrench")
{
throw new Exception(string.Format("Didn't get marker 'MonkeyWrench' at start of file, got '{0}'", marker));
}
reader.Read(md5, 0, 16);
flags = reader.ReadByte();
filename_length = reader.ReadByte();
filename = ReadString(reader, buffer, filename_length);
hidden = (flags & 0x2) == 0x2;
// compressed = (flags & 0x1) == 0x1;
Logger.Log(2, "Upload.ExecuteRequest (): {0} file #{1}: filename: '{2}' ", id, i + 1, filename);
DBFile file = DBFile_Extensions.Find(db, FileUtilities.MD5BytesToString(md5));
if (file == null)
{
Logger.Log(2, "Upload.ExecuteRequest (): {0} file #{1} must be sent, sending 'send file' response", id, i + 1);
// Write 'send file'
writer.Write((byte)1); // version
writer.Write((byte)4); // type (4 = send file)
writer.Flush();
compressed_mime_length = reader.ReadByte();
compressed_mime = ReadString(reader, buffer, compressed_mime_length);
content_length = reader.ReadInt32();
Logger.Log(2, "Upload.ExecuteRequest (): {0} file #{1} content_length: {2} compressed_mime: '{3}' reading...", id, i + 1, content_length, compressed_mime);
int bytes_left = content_length;
tmpfile = Path.GetTempFileName();
using (FileStream fs = new FileStream(tmpfile, FileMode.Open, FileAccess.Write, FileShare.Read)) {
while (bytes_left > 0)
{
int to_read = Math.Min(bytes_left, buffer.Length);
int read = reader.Read(buffer, 0, to_read);
if (read == 0)
{
throw new Exception(string.Format("Failed to read {0} bytes, {1} bytes left", content_length, bytes_left));
}
fs.Write(buffer, 0, read);
bytes_left -= read;
}
}
Logger.Log(2, "Upload.ExecuteRequest (): {0} file #{1} received, uploading '{2}' to database", id, i + 1, tmpfile);
file = db.Upload(FileUtilities.MD5BytesToString(md5), tmpfile, filename, Path.GetExtension(filename), hidden, compressed_mime);
}
else
{
Logger.Log(2, "Upload.ExecuteRequest (): {0} file #{1} already in database, not uploading", id, i + 1);
}
DBWork work = DBWork_Extensions.Create(db, work_id);
work.AddFile(db, file, filename, hidden);
// Write 'file recieved OK'
writer.Write((byte)1); // version
writer.Write((byte)2); // type (2 = file received OK)
writer.Flush();
Logger.Log(2, "Upload.ExecuteRequest (): {0} {1} uploaded successfully", id, filename);
}
}
// Write 'everything OK'
writer.Write((byte)1); // version
writer.Write((byte)1); // type (1 = everything OK)
writer.Flush();
Logger.Log(2, "Upload.ExecuteRequest (): {0} completed", id);
} catch (Exception ex) {
try {
string msg = ex.ToString();
byte [] msg_buffer = UTF8Encoding.UTF8.GetBytes(msg);
writer.Write((byte)1); // version
writer.Write((byte)3); // type (3 = error)
writer.Write((ushort)Math.Min(msg_buffer.Length, ushort.MaxValue)); // message_length
writer.Write(msg_buffer, 0, Math.Min(msg_buffer.Length, ushort.MaxValue)); // message
stream.Flush();
} catch (Exception ex2) {
Logger.Log("Upload.ExecuteRequest (): {0} Failed to send exception to client: {1}", id, ex2.Message);
}
Logger.Log("Upload.ExecuteRequest (): {0} {1}", id, ex);
} finally {
if (tmpfile != null)
{
FileUtilities.TryDeleteFile(tmpfile);
}
try {
client.Close();
} catch {
// Ignore
}
}
}