private void DownloadNamedWorkFile(int work_id, string filename)
{
DBWorkFileView view = null;
DBFile file = null;
string compressed_mime;
using (DB db = new DB()) {
WebServiceLogin login = Authentication.CreateLogin(Request);
view = DBWorkFileView_Extensions.Find(db, work_id, filename);
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);
}
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));
}
compressed_mime = file.compressed_mime;
Response.ContentType = file.mime;
Response.AppendHeader("Content-Disposition", "filename=\"" + Path.GetFileName(filename) + "\"");
if (view.file_file_id == null)
{
DownloadMd5(view.md5);
}
else
{
using (Stream str = db.Download(view)) {
DownloadStream(str, compressed_mime);
}
}
}
}
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);
}
}
}
