public override void Handler(WebRequest req)
{
if (req.URI.Length < this.ServiceURI.Length)
{
req.URI = this.ServiceURI;
}
if (!req.URI.StartsWith(this.ServiceURI))
{
throw new InvalidOperationException();
}
uriPath = req.URI;
string[] pieces = req.URI.Substring(ServiceURI.Length).Split('/'); //split up the path by '/' tokens
if (pieces.Length == 1 && pieces[0] == "") //we passed in only the root
{
RespondWithList(r_sys.GetRoot(), req);
}
for (int x = 0; x < pieces.Length; x++)
{
pieces[x] = decode(pieces[x]);
}
Dir422 dir = r_sys.GetRoot(); //grab the root of the filesystem
if (req.httpMethod == "PUT") //if the method is put.
{
foreach (Tuple <string, string> header in req.headers)
{
if (header.Item1 == "Content-Length")
{
if (Convert.ToInt64(header.Item2) <= 0)
{
req.WriteInvalidUpload("400");
return;
}
}
}
for (int i = 0; i < pieces.Length - 1; i++) //go through the parts of the path
{
dir = dir.getDir(pieces[i]);
if (dir == null) //if you encounter a directory that doesn't exist, tell the user that the target they requested is not found and return
{
req.WriteNotFoundResponse("File not found.\n");
return;
}
}
File422 fileToCreate = dir.GetFile(pieces[pieces.Length - 1]); //grab the last file of the path
if (fileToCreate == null)
{
string pathName = StandardFileSystem.rootPath;
for (int i = 0; i < pieces.Length; i++)
{
pathName += "/";
pathName += pieces[i];
}
FileStream fs = new FileStream(pathName, FileMode.Create, FileAccess.ReadWrite);
int x = 0;
byte[] bodyBytes = new byte[4096];
string bodyContent = "";
x = req.bodyStream.Read(bodyBytes, 0, 4096);
fs.Write(bodyBytes, 0, 4096);
while (x > 0)
{
bodyContent += Encoding.ASCII.GetString(bodyBytes);
x = req.bodyStream.Read(bodyBytes, 0, 4096);
fs.Write(bodyBytes, 0, 4096);
}
fs.Close();
req.WriteHTMLResponse("200 OK");
}
else
{
req.WriteInvalidUpload("File already exists");
}
return;
}
for (int i = 0; i < pieces.Length - 1; i++) //go through the parts of the path
{
dir = dir.getDir(pieces[i]);
if (dir == null) //if you encounter a directory that doesn't exist, tell the user that the target they requested is not found and return
{
req.WriteNotFoundResponse("File not found.\n");
return;
}
}
//we now have the directory of one above the file / directory
//one piece to process left
//check if dir is in the last piece we have
File422 file = dir.GetFile(pieces[pieces.Length - 1]); //grab the last file of the path
if (file != null)
{
RespondWithFile(file, req);
}
else
{
dir = dir.getDir(pieces[pieces.Length - 1]); //if it wasn't a file, grab it as a dir
if (dir != null)
{
RespondWithList(dir, req);
}
else //if it's null, tell the user it was not found
{
req.WriteNotFoundResponse("Not found\n");
}
}
}