private static CookieCollection parseResponse(string value)
{
var cookies = new CookieCollection ();
Cookie cookie = null;
var pairs = splitCookieHeaderValue (value);
for (int i = 0; i < pairs.Length; i++) {
var pair = pairs [i].Trim ();
if (pair.Length == 0)
continue;
if (pair.StartsWith ("version", StringComparison.InvariantCultureIgnoreCase)) {
if (cookie != null)
cookie.Version = Int32.Parse (pair.GetValueInternal ("=").Trim ('"'));
}
else if (pair.StartsWith ("expires", StringComparison.InvariantCultureIgnoreCase)) {
var buffer = new StringBuilder (pair.GetValueInternal ("="), 32);
if (i < pairs.Length - 1)
buffer.AppendFormat (", {0}", pairs [++i].Trim ());
DateTime expires;
if (!DateTime.TryParseExact (
buffer.ToString (),
new [] { "ddd, dd'-'MMM'-'yyyy HH':'mm':'ss 'GMT'", "r" },
CultureInfo.CreateSpecificCulture ("en-US"),
DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal,
out expires))
expires = DateTime.Now;
if (cookie != null && cookie.Expires == DateTime.MinValue)
cookie.Expires = expires.ToLocalTime ();
}
else if (pair.StartsWith ("max-age", StringComparison.InvariantCultureIgnoreCase)) {
var max = Int32.Parse (pair.GetValueInternal ("=").Trim ('"'));
var expires = DateTime.Now.AddSeconds ((double) max);
if (cookie != null)
cookie.Expires = expires;
}
else if (pair.StartsWith ("path", StringComparison.InvariantCultureIgnoreCase)) {
if (cookie != null)
cookie.Path = pair.GetValueInternal ("=");
}
else if (pair.StartsWith ("domain", StringComparison.InvariantCultureIgnoreCase)) {
if (cookie != null)
cookie.Domain = pair.GetValueInternal ("=");
}
else if (pair.StartsWith ("port", StringComparison.InvariantCultureIgnoreCase)) {
var port = pair.Equals ("port", StringComparison.InvariantCultureIgnoreCase)
? "\"\""
: pair.GetValueInternal ("=");
if (cookie != null)
cookie.Port = port;
}
else if (pair.StartsWith ("comment", StringComparison.InvariantCultureIgnoreCase)) {
if (cookie != null)
cookie.Comment = pair.GetValueInternal ("=").UrlDecode ();
}
else if (pair.StartsWith ("commenturl", StringComparison.InvariantCultureIgnoreCase)) {
if (cookie != null)
cookie.CommentUri = pair.GetValueInternal ("=").Trim ('"').ToUri ();
}
else if (pair.StartsWith ("discard", StringComparison.InvariantCultureIgnoreCase)) {
if (cookie != null)
cookie.Discard = true;
}
else if (pair.StartsWith ("secure", StringComparison.InvariantCultureIgnoreCase)) {
if (cookie != null)
cookie.Secure = true;
}
else if (pair.StartsWith ("httponly", StringComparison.InvariantCultureIgnoreCase)) {
if (cookie != null)
cookie.HttpOnly = true;
}
else {
if (cookie != null)
cookies.Add (cookie);
string name;
string val = String.Empty;
var pos = pair.IndexOf ('=');
if (pos == -1) {
name = pair;
}
else if (pos == pair.Length - 1) {
name = pair.Substring (0, pos).TrimEnd (' ');
}
else {
name = pair.Substring (0, pos).TrimEnd (' ');
val = pair.Substring (pos + 1).TrimStart (' ');
}
cookie = new Cookie (name, val);
}
}
if (cookie != null)
cookies.Add (cookie);
return cookies;
}
private int searchCookie(Cookie cookie)
{
var name = cookie.Name;
var path = cookie.Path;
var domain = cookie.Domain;
var version = cookie.Version;
for (int i = _list.Count - 1; i >= 0; i--) {
var c = _list [i];
if (c.Name.Equals (name, StringComparison.InvariantCultureIgnoreCase) &&
c.Path.Equals (path, StringComparison.InvariantCulture) &&
c.Domain.Equals (domain, StringComparison.InvariantCultureIgnoreCase) &&
c.Version == version)
return i;
}
return -1;
}
private static int compareCookieWithinSorted(Cookie x, Cookie y)
{
var ret = 0;
return (ret = x.Version - y.Version) != 0
? ret
: (ret = x.Name.CompareTo (y.Name)) != 0
? ret
: y.Path.Length - x.Path.Length;
}
private static CookieCollection parseRequest(string value)
{
var cookies = new CookieCollection ();
Cookie cookie = null;
var version = 0;
var pairs = splitCookieHeaderValue (value);
for (int i = 0; i < pairs.Length; i++) {
var pair = pairs [i].Trim ();
if (pair.Length == 0)
continue;
if (pair.StartsWith ("$version", StringComparison.InvariantCultureIgnoreCase)) {
version = Int32.Parse (pair.GetValueInternal ("=").Trim ('"'));
}
else if (pair.StartsWith ("$path", StringComparison.InvariantCultureIgnoreCase)) {
if (cookie != null)
cookie.Path = pair.GetValueInternal ("=");
}
else if (pair.StartsWith ("$domain", StringComparison.InvariantCultureIgnoreCase)) {
if (cookie != null)
cookie.Domain = pair.GetValueInternal ("=");
}
else if (pair.StartsWith ("$port", StringComparison.InvariantCultureIgnoreCase)) {
var port = pair.Equals ("$port", StringComparison.InvariantCultureIgnoreCase)
? "\"\""
: pair.GetValueInternal ("=");
if (cookie != null)
cookie.Port = port;
}
else {
if (cookie != null)
cookies.Add (cookie);
string name;
string val = String.Empty;
var pos = pair.IndexOf ('=');
if (pos == -1) {
name = pair;
}
else if (pos == pair.Length - 1) {
name = pair.Substring (0, pos).TrimEnd (' ');
}
else {
name = pair.Substring (0, pos).TrimEnd (' ');
val = pair.Substring (pos + 1).TrimStart (' ');
}
cookie = new Cookie (name, val);
if (version != 0)
cookie.Version = version;
}
}
if (cookie != null)
cookies.Add (cookie);
return cookies;
}
private static int compareCookieWithinSort(Cookie x, Cookie y)
{
return (x.Name.Length + x.Value.Length) - (y.Name.Length + y.Value.Length);
}
internal void SetOrRemove(Cookie cookie)
{
var pos = searchCookie (cookie);
if (pos == -1) {
if (!cookie.Expired)
_list.Add (cookie);
return;
}
if (!cookie.Expired) {
_list [pos] = cookie;
return;
}
_list.RemoveAt (pos);
}
/// <summary>
/// Copies the elements of the collection to the specified array of <see cref="Cookie"/>,
/// starting at the specified <paramref name="index"/> in the <paramref name="array"/>.
/// </summary>
/// <param name="array">
/// An array of <see cref="Cookie"/> that represents the destination of the elements
/// copied from the collection.
/// </param>
/// <param name="index">
/// An <see cref="int"/> that represents the zero-based index in <paramref name="array"/>
/// at which copying begins.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="array"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="index"/> is less than zero.
/// </exception>
/// <exception cref="ArgumentException">
/// The number of elements in the collection is greater than the available space from
/// <paramref name="index"/> to the end of the destination <paramref name="array"/>.
/// </exception>
public void CopyTo(Cookie [] array, int index)
{
if (array == null)
throw new ArgumentNullException ("array");
if (index < 0)
throw new ArgumentOutOfRangeException ("index", "Less than zero.");
if (array.Length - index < _list.Count)
throw new ArgumentException (
"The number of elements in this collection is greater than the available space of the destination array.");
_list.CopyTo (array, index);
}
/// <summary>
/// Adds the specified <paramref name="cookie"/> to the collection.
/// </summary>
/// <param name="cookie">
/// A <see cref="Cookie"/> to add.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="cookie"/> is <see langword="null"/>.
/// </exception>
public void Add(Cookie cookie)
{
if (cookie == null)
throw new ArgumentNullException ("cookie");
var pos = searchCookie (cookie);
if (pos == -1) {
_list.Add (cookie);
return;
}
_list [pos] = cookie;
}
internal void AddHeader(string header)
{
int colon = header.IndexOf(':');
if (colon == -1 || colon == 0)
{
context.ErrorMessage = "Bad Request";
context.ErrorStatus = 400;
return;
}
string name = header.Substring(0, colon).Trim();
string val = header.Substring(colon + 1).Trim();
string lower = name.ToLowerInvariant();
headers.SetInternal(name, val);
switch (lower)
{
case "accept-language":
user_languages = val.Split(','); // yes, only split with a ','
break;
case "accept":
accept_types = val.Split(','); // yes, only split with a ','
break;
case "content-length":
try
{
//TODO: max. content_length?
content_length = Int64.Parse(val.Trim());
if (content_length < 0)
{
context.ErrorMessage = "Invalid Content-Length.";
}
cl_set = true;
}
catch
{
context.ErrorMessage = "Invalid Content-Length.";
}
break;
case "content-type":
{
var contents = val.Split(';');
foreach (var content in contents)
{
var tmp = content.Trim();
if (tmp.StartsWith("charset"))
{
var charset = GetValue(tmp, "=");
if (charset != null && charset.Length > 0)
{
try
{
// Support upnp/dlna devices - CONTENT-TYPE: text/xml ; charset="utf-8"\r\n
charset = charset.Trim('"');
var index = charset.IndexOf('"');
if (index != -1)
{
charset = charset.Substring(0, index);
}
content_encoding = Encoding.GetEncoding(charset);
}
catch
{
context.ErrorMessage = "Invalid Content-Type header: " + charset;
}
}
break;
}
}
}
break;
case "referer":
try
{
referrer = new Uri(val);
}
catch
{
referrer = new Uri("http://someone.is.screwing.with.the.headers.com/");
}
break;
case "cookie":
if (cookies == null)
{
cookies = new CookieCollection();
}
string[] cookieStrings = val.Split(new char[] { ',', ';' });
Cookie current = null;
int version = 0;
foreach (string cookieString in cookieStrings)
{
string str = cookieString.Trim();
if (str.Length == 0)
{
continue;
}
if (str.StartsWith("$Version"))
{
version = Int32.Parse(Unquote(str.Substring(str.IndexOf('=') + 1)));
}
else if (str.StartsWith("$Path"))
{
if (current != null)
{
current.Path = str.Substring(str.IndexOf('=') + 1).Trim();
}
}
else if (str.StartsWith("$Domain"))
{
if (current != null)
{
current.Domain = str.Substring(str.IndexOf('=') + 1).Trim();
}
}
else if (str.StartsWith("$Port"))
{
if (current != null)
{
current.Port = str.Substring(str.IndexOf('=') + 1).Trim();
}
}
else
{
if (current != null)
{
cookies.Add(current);
}
current = new Cookie();
int idx = str.IndexOf('=');
if (idx > 0)
{
current.Name = str.Substring(0, idx).Trim();
current.Value = str.Substring(idx + 1).Trim();
}
else
{
current.Name = str.Trim();
current.Value = String.Empty;
}
current.Version = version;
}
}
if (current != null)
{
cookies.Add(current);
}
break;
}
}
