/// <summary>
/// Add a new cookie
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="options"></param>
public void Append(string key, string value, CookieOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
bool domainHasValue = !string.IsNullOrEmpty(options.Domain);
bool pathHasValue = !string.IsNullOrEmpty(options.Path);
bool expiresHasValue = options.Expires.HasValue;
string setCookieValue = string.Concat(
Uri.EscapeDataString(key),
"=",
Uri.EscapeDataString(value ?? string.Empty),
!domainHasValue ? null : "; domain=",
!domainHasValue ? null : options.Domain,
!pathHasValue ? null : "; path=",
!pathHasValue ? null : options.Path,
!expiresHasValue ? null : "; expires=",
!expiresHasValue ? null : options.Expires.Value.ToString("ddd, dd-MMM-yyyy HH:mm:ss ", CultureInfo.InvariantCulture) + "GMT",
!options.Secure ? null : "; secure",
!options.HttpOnly ? null : "; HttpOnly");
AppendHeaderUnmodified(Headers, HttpHeaderKeys.SetCookie, setCookieValue);
}
/// <summary>
/// Sets an expired cookie
/// </summary>
/// <param name="key"></param>
/// <param name="options"></param>
public void Delete(string key, CookieOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
bool domainHasValue = !string.IsNullOrEmpty(options.Domain);
bool pathHasValue = !string.IsNullOrEmpty(options.Path);
Func<string, bool> rejectPredicate;
if (domainHasValue)
{
rejectPredicate = value =>
value.StartsWith(key + "=", StringComparison.OrdinalIgnoreCase) &&
value.IndexOf("domain=" + options.Domain, StringComparison.OrdinalIgnoreCase) != -1;
}
else if (pathHasValue)
{
rejectPredicate = value =>
value.StartsWith(key + "=", StringComparison.OrdinalIgnoreCase) &&
value.IndexOf("path=" + options.Path, StringComparison.OrdinalIgnoreCase) != -1;
}
else
{
rejectPredicate = value => value.StartsWith(key + "=", StringComparison.OrdinalIgnoreCase);
}
IList<string> existingValues = GetHeaderUnmodified(Headers, HttpHeaderKeys.SetCookie);
if (existingValues != null)
{
SetHeaderUnmodified(Headers, HttpHeaderKeys.SetCookie, existingValues.Where(value => !rejectPredicate(value)).ToArray());
}
Append(key, string.Empty, new CookieOptions
{
Path = options.Path,
Domain = options.Domain,
Expires = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc),
});
}
