public HttpPostRequest(HttpListenerRequest request) {
string[] contentTypeParts = request.ContentType.Split(';');
foreach(string contentTypePart in contentTypeParts) {
Match contentTypePartMatch = Regex.Match(contentTypePart, "(multipart\\/form-data|application\\/x-www-form-urlencoded)", RegexOptions.Compiled);
Match boundaryMatch = Regex.Match(contentTypePart, "boundary=(.+)", RegexOptions.Compiled);
if (contentTypePartMatch.Success) {
this._encType = contentTypePartMatch.Groups[1].Value;
} else if (boundaryMatch.Success) {
this._boundary = boundaryMatch.Groups[1].Value.Trim();
}
}
//SConsole.WriteLine("EncodingType: " + this.EncodingType + "; Boundary: " + this.Boundary);
if (this.EncodingType == "application/x-www-form-urlencoded") {
using(StreamReader reader = new StreamReader(request.InputStream, request.ContentEncoding)) {
string queryString = reader.ReadToEnd();
this._parameters = HttpUtility.ParseQueryString(queryString, request.ContentEncoding);
}
} else if (this.EncodingType == "multipart/form-data" && this.Boundary != String.Empty) {
long requestLength = -1, currentPosition = 0;
try {
requestLength = request.InputStream.Length;
} catch(NotSupportedException) {
//Console.WriteLine("NotSupportedException: " + e.Message);
requestLength = request.ContentLength64;
}
if (requestLength == -1) {
Console.WriteLine("ungültige RequestLength");
return;
} else if (requestLength == 0) {
Console.WriteLine("RequestLength == 0");
return;
}
int iByte = -1;
byte[] buffer = new byte[requestLength];
byte lastByte;
UTF8Encoding enc = new UTF8Encoding();
byte[] boundaryBytes = enc.GetBytes(this.Boundary);
List<byte> headerBufferList = new List<byte>();
List<byte> contentBufferList = new List<byte>();
NameValueCollection currentHeader = new NameValueCollection();
bool boundaryFound = false, headerStarted = false, contentStarted = false;
iByte = request.InputStream.ReadByte();
while(iByte != -1 && currentPosition < requestLength) {
lastByte = Convert.ToByte(iByte);
buffer[currentPosition] = lastByte;
if (currentPosition + 1 >= boundaryBytes.Length) {
if (buffer[currentPosition] == boundaryBytes[boundaryBytes.Length - 1]) {
byte[] bytesToCompare = new byte[boundaryBytes.Length];
Array.Copy(buffer, currentPosition - boundaryBytes.Length + 1, bytesToCompare, 0, boundaryBytes.Length);
if (this.ByteArrayEquals(bytesToCompare, boundaryBytes)) {
if (contentStarted) {
if (currentHeader["name"] != null) {
contentBufferList.RemoveAt(0);
contentBufferList.RemoveRange(contentBufferList.Count - (boundaryBytes.Length + 3), boundaryBytes.Length + 3);
if (currentHeader["filename"] != null) {
byte[] contentBufferArray = contentBufferList.ToArray();
string hash = currentHeader["filename"];
using(SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider()) {
hash = Convert.ToBase64String(sha1.ComputeHash(contentBufferArray));
}
string tempFilename = "/tmp/" + hash;
Match filenameMatch = Regex.Match(currentHeader["filename"], "\\.([^\\.]+)$", RegexOptions.Compiled);
if (filenameMatch.Success) {
tempFilename += "." + filenameMatch.Groups[1].Value;
}
File.WriteAllBytes(tempFilename, contentBufferArray);
if (File.Exists(tempFilename)) {
FileInfo fileInfo = new FileInfo(tempFilename);
string contentType = (currentHeader["Content-Type"] != null) ? currentHeader["Content-Type"] : "";
HttpPostFile postFile = new HttpPostFile(currentHeader["filename"], tempFilename, fileInfo.Length, contentType);
this._files.Add(currentHeader["name"], postFile);
}
} else {
this._parameters.Add(currentHeader["name"], enc.GetString(contentBufferList.ToArray()));
}
}
}
headerBufferList.Clear();
contentBufferList.Clear();
boundaryFound = true;
headerStarted = false;
contentStarted = false;
}
}
}
if (lastByte == '\n' && currentPosition > 0 && buffer[currentPosition - 1] == '\r') {
if (boundaryFound && !headerStarted) {
headerBufferList.Clear();
currentHeader.Clear();
headerStarted = true;
}
if (!contentStarted && currentPosition > 3 && buffer[currentPosition - 3] == '\r' && buffer[currentPosition - 2] == '\n') {
string[] headerStringParts = enc.GetString(headerBufferList.ToArray()).Trim().Split('\n');
foreach(string headerString in headerStringParts) {
string[] splittedHeaderString = headerString.Split(';');
foreach(string splittedHeader in splittedHeaderString) {
string currentHeaderInfo = splittedHeader.Trim();
if (currentHeaderInfo != String.Empty) {
Match headerContentInfoMatch = Regex.Match(currentHeaderInfo, "([^:]+):\\s*([^\\s]+)", RegexOptions.Compiled);
if (headerContentInfoMatch.Success) {
currentHeader.Add(headerContentInfoMatch.Groups[1].Value, headerContentInfoMatch.Groups[2].Value);
} else {
Match headerNameValueMatch = Regex.Match(currentHeaderInfo, "([^=]+)=\"([^\"]+)\"", RegexOptions.Compiled);
if (headerNameValueMatch.Success) {
currentHeader.Add(headerNameValueMatch.Groups[1].Value, headerNameValueMatch.Groups[2].Value);
}
}
}
}
}
headerBufferList.Clear();
contentStarted = true;
}
}
if (boundaryFound) {
if (contentStarted) {
contentBufferList.Add(lastByte);
} else if (headerStarted) {
headerBufferList.Add(lastByte);
}
}
currentPosition++;
iByte = request.InputStream.ReadByte();
}
}
}
public HttpPostRequest(HttpListenerRequest request)
{
string[] contentTypeParts = request.ContentType.Split(';');
foreach (string contentTypePart in contentTypeParts)
{
Match contentTypePartMatch = Regex.Match(contentTypePart, "(multipart\\/form-data|application\\/x-www-form-urlencoded)", RegexOptions.Compiled);
Match boundaryMatch = Regex.Match(contentTypePart, "boundary=(.+)", RegexOptions.Compiled);
if (contentTypePartMatch.Success)
{
this._encType = contentTypePartMatch.Groups[1].Value;
}
else if (boundaryMatch.Success)
{
this._boundary = boundaryMatch.Groups[1].Value.Trim();
}
}
//SConsole.WriteLine("EncodingType: " + this.EncodingType + "; Boundary: " + this.Boundary);
if (this.EncodingType == "application/x-www-form-urlencoded")
{
using (StreamReader reader = new StreamReader(request.InputStream, request.ContentEncoding)) {
string queryString = reader.ReadToEnd();
this._parameters = HttpUtility.ParseQueryString(queryString, request.ContentEncoding);
}
}
else if (this.EncodingType == "multipart/form-data" && this.Boundary != String.Empty)
{
long requestLength = -1, currentPosition = 0;
try {
requestLength = request.InputStream.Length;
} catch (NotSupportedException) {
//Console.WriteLine("NotSupportedException: " + e.Message);
requestLength = request.ContentLength64;
}
if (requestLength == -1)
{
Console.WriteLine("ungültige RequestLength");
return;
}
else if (requestLength == 0)
{
Console.WriteLine("RequestLength == 0");
return;
}
int iByte = -1;
byte[] buffer = new byte[requestLength];
byte lastByte;
UTF8Encoding enc = new UTF8Encoding();
byte[] boundaryBytes = enc.GetBytes(this.Boundary);
List <byte> headerBufferList = new List <byte>();
List <byte> contentBufferList = new List <byte>();
NameValueCollection currentHeader = new NameValueCollection();
bool boundaryFound = false, headerStarted = false, contentStarted = false;
iByte = request.InputStream.ReadByte();
while (iByte != -1 && currentPosition < requestLength)
{
lastByte = Convert.ToByte(iByte);
buffer[currentPosition] = lastByte;
if (currentPosition + 1 >= boundaryBytes.Length)
{
if (buffer[currentPosition] == boundaryBytes[boundaryBytes.Length - 1])
{
byte[] bytesToCompare = new byte[boundaryBytes.Length];
Array.Copy(buffer, currentPosition - boundaryBytes.Length + 1, bytesToCompare, 0, boundaryBytes.Length);
if (this.ByteArrayEquals(bytesToCompare, boundaryBytes))
{
if (contentStarted)
{
if (currentHeader["name"] != null)
{
contentBufferList.RemoveAt(0);
contentBufferList.RemoveRange(contentBufferList.Count - (boundaryBytes.Length + 3), boundaryBytes.Length + 3);
if (currentHeader["filename"] != null)
{
byte[] contentBufferArray = contentBufferList.ToArray();
string hash = currentHeader["filename"];
using (SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider()) {
hash = Convert.ToBase64String(sha1.ComputeHash(contentBufferArray));
}
string tempFilename = "/tmp/" + hash;
Match filenameMatch = Regex.Match(currentHeader["filename"], "\\.([^\\.]+)$", RegexOptions.Compiled);
if (filenameMatch.Success)
{
tempFilename += "." + filenameMatch.Groups[1].Value;
}
File.WriteAllBytes(tempFilename, contentBufferArray);
if (File.Exists(tempFilename))
{
FileInfo fileInfo = new FileInfo(tempFilename);
string contentType = (currentHeader["Content-Type"] != null) ? currentHeader["Content-Type"] : "";
HttpPostFile postFile = new HttpPostFile(currentHeader["filename"], tempFilename, fileInfo.Length, contentType);
this._files.Add(currentHeader["name"], postFile);
}
}
else
{
this._parameters.Add(currentHeader["name"], enc.GetString(contentBufferList.ToArray()));
}
}
}
headerBufferList.Clear();
contentBufferList.Clear();
boundaryFound = true;
headerStarted = false;
contentStarted = false;
}
}
}
if (lastByte == '\n' && currentPosition > 0 && buffer[currentPosition - 1] == '\r')
{
if (boundaryFound && !headerStarted)
{
headerBufferList.Clear();
currentHeader.Clear();
headerStarted = true;
}
if (!contentStarted && currentPosition > 3 && buffer[currentPosition - 3] == '\r' && buffer[currentPosition - 2] == '\n')
{
string[] headerStringParts = enc.GetString(headerBufferList.ToArray()).Trim().Split('\n');
foreach (string headerString in headerStringParts)
{
string[] splittedHeaderString = headerString.Split(';');
foreach (string splittedHeader in splittedHeaderString)
{
string currentHeaderInfo = splittedHeader.Trim();
if (currentHeaderInfo != String.Empty)
{
Match headerContentInfoMatch = Regex.Match(currentHeaderInfo, "([^:]+):\\s*([^\\s]+)", RegexOptions.Compiled);
if (headerContentInfoMatch.Success)
{
currentHeader.Add(headerContentInfoMatch.Groups[1].Value, headerContentInfoMatch.Groups[2].Value);
}
else
{
Match headerNameValueMatch = Regex.Match(currentHeaderInfo, "([^=]+)=\"([^\"]+)\"", RegexOptions.Compiled);
if (headerNameValueMatch.Success)
{
currentHeader.Add(headerNameValueMatch.Groups[1].Value, headerNameValueMatch.Groups[2].Value);
}
}
}
}
}
headerBufferList.Clear();
contentStarted = true;
}
}
if (boundaryFound)
{
if (contentStarted)
{
contentBufferList.Add(lastByte);
}
else if (headerStarted)
{
headerBufferList.Add(lastByte);
}
}
currentPosition++;
iByte = request.InputStream.ReadByte();
}
}
}
