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@@ -0,0 +1,918 @@
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+using System;
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+using System.Collections.Specialized;
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+using System.Globalization;
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+using System.IO;
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+using System.Text;
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+using System.Web;
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+using ServiceStack.Web;
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+
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+namespace MediaBrowser.Server.Implementations.HttpServer.SocketSharp
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+{
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+ public partial class WebSocketSharpRequest : IHttpRequest
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+ {
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+ static internal string GetParameter(string header, string attr)
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+ {
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+ int ap = header.IndexOf(attr);
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+ if (ap == -1)
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+ return null;
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+
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+ ap += attr.Length;
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+ if (ap >= header.Length)
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+ return null;
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+
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+ char ending = header[ap];
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+ if (ending != '"')
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+ ending = ' ';
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+
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+ int end = header.IndexOf(ending, ap + 1);
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+ if (end == -1)
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+ return (ending == '"') ? null : header.Substring(ap);
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+
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+ return header.Substring(ap + 1, end - ap - 1);
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+ }
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+
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+ void LoadMultiPart()
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+ {
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+ string boundary = GetParameter(ContentType, "; boundary=");
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+ if (boundary == null)
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+ return;
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+
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+ var input = GetSubStream(InputStream);
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+
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+ //DB: 30/01/11 - Hack to get around non-seekable stream and received HTTP request
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+ //Not ending with \r\n?
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+ var ms = new MemoryStream(32 * 1024);
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+ input.CopyTo(ms);
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+ input = ms;
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+ ms.WriteByte((byte)'\r');
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+ ms.WriteByte((byte)'\n');
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+
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+ input.Position = 0;
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+
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+ //Uncomment to debug
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+ //var content = new StreamReader(ms).ReadToEnd();
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+ //Console.WriteLine(boundary + "::" + content);
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+ //input.Position = 0;
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+
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+ var multi_part = new HttpMultipart(input, boundary, ContentEncoding);
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+
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+ HttpMultipart.Element e;
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+ while ((e = multi_part.ReadNextElement()) != null)
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+ {
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+ if (e.Filename == null)
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+ {
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+ byte[] copy = new byte[e.Length];
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+
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+ input.Position = e.Start;
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+ input.Read(copy, 0, (int)e.Length);
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+
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+ form.Add(e.Name, (e.Encoding ?? ContentEncoding).GetString(copy));
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+ }
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+ else
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+ {
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+ //
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+ // We use a substream, as in 2.x we will support large uploads streamed to disk,
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+ //
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+ HttpPostedFile sub = new HttpPostedFile(e.Filename, e.ContentType, input, e.Start, e.Length);
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+ files.AddFile(e.Name, sub);
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+ }
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+ }
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+ EndSubStream(input);
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+ }
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+
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+ public NameValueCollection Form
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+ {
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+ get
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+ {
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+ if (form == null)
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+ {
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+ form = new WebROCollection();
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+ files = new HttpFileCollection();
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+
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+ if (IsContentType("multipart/form-data", true))
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+ LoadMultiPart();
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+ else if (
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+ IsContentType("application/x-www-form-urlencoded", true))
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+ LoadWwwForm();
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+
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+ form.Protect();
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+ }
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+
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+#if NET_4_0
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+ if (validateRequestNewMode && !checked_form) {
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+ // Setting this before calling the validator prevents
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+ // possible endless recursion
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+ checked_form = true;
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+ ValidateNameValueCollection ("Form", query_string_nvc, RequestValidationSource.Form);
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+ } else
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+#endif
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+ if (validate_form && !checked_form)
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+ {
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+ checked_form = true;
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+ ValidateNameValueCollection("Form", form);
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+ }
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+
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+ return form;
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+ }
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+ }
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+
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+
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+ protected bool validate_cookies, validate_query_string, validate_form;
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+ protected bool checked_cookies, checked_query_string, checked_form;
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+
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+ static void ThrowValidationException(string name, string key, string value)
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+ {
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+ string v = "\"" + value + "\"";
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+ if (v.Length > 20)
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+ v = v.Substring(0, 16) + "...\"";
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+
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+ string msg = String.Format("A potentially dangerous Request.{0} value was " +
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+ "detected from the client ({1}={2}).", name, key, v);
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+
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+ throw new HttpRequestValidationException(msg);
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+ }
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+
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+ static void ValidateNameValueCollection(string name, NameValueCollection coll)
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+ {
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+ if (coll == null)
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+ return;
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+
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+ foreach (string key in coll.Keys)
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+ {
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+ string val = coll[key];
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+ if (val != null && val.Length > 0 && IsInvalidString(val))
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+ ThrowValidationException(name, key, val);
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+ }
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+ }
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+
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+ internal static bool IsInvalidString(string val)
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+ {
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+ int validationFailureIndex;
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+
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+ return IsInvalidString(val, out validationFailureIndex);
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+ }
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+
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+ internal static bool IsInvalidString(string val, out int validationFailureIndex)
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+ {
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+ validationFailureIndex = 0;
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+
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+ int len = val.Length;
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+ if (len < 2)
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+ return false;
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+
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+ char current = val[0];
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+ for (int idx = 1; idx < len; idx++)
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+ {
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+ char next = val[idx];
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+ // See http://secunia.com/advisories/14325
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+ if (current == '<' || current == '\xff1c')
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+ {
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+ if (next == '!' || next < ' '
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+ || (next >= 'a' && next <= 'z')
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+ || (next >= 'A' && next <= 'Z'))
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+ {
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+ validationFailureIndex = idx - 1;
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+ return true;
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+ }
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+ }
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+ else if (current == '&' && next == '#')
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+ {
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+ validationFailureIndex = idx - 1;
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+ return true;
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+ }
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+
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+ current = next;
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+ }
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+
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+ return false;
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+ }
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+
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+ public void ValidateInput()
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+ {
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+ validate_cookies = true;
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+ validate_query_string = true;
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+ validate_form = true;
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+ }
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+
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+ bool IsContentType(string ct, bool starts_with)
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+ {
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+ if (ct == null || ContentType == null) return false;
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+
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+ if (starts_with)
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+ return StrUtils.StartsWith(ContentType, ct, true);
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+
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+ return String.Compare(ContentType, ct, true, Helpers.InvariantCulture) == 0;
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+ }
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+
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+
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+
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+
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+
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+ void LoadWwwForm()
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+ {
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+ using (Stream input = GetSubStream(InputStream))
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+ {
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+ using (StreamReader s = new StreamReader(input, ContentEncoding))
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+ {
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+ StringBuilder key = new StringBuilder();
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+ StringBuilder value = new StringBuilder();
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+ int c;
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+
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+ while ((c = s.Read()) != -1)
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+ {
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+ if (c == '=')
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+ {
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+ value.Length = 0;
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+ while ((c = s.Read()) != -1)
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+ {
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+ if (c == '&')
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+ {
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+ AddRawKeyValue(key, value);
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+ break;
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+ }
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+ else
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+ value.Append((char)c);
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+ }
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+ if (c == -1)
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+ {
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+ AddRawKeyValue(key, value);
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+ return;
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+ }
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+ }
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+ else if (c == '&')
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+ AddRawKeyValue(key, value);
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+ else
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+ key.Append((char)c);
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+ }
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+ if (c == -1)
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+ AddRawKeyValue(key, value);
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+
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+ EndSubStream(input);
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+ }
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+ }
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+ }
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+
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+ void AddRawKeyValue(StringBuilder key, StringBuilder value)
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+ {
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+ string decodedKey = HttpUtility.UrlDecode(key.ToString(), ContentEncoding);
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+ form.Add(decodedKey,
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+ HttpUtility.UrlDecode(value.ToString(), ContentEncoding));
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+
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+ key.Length = 0;
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+ value.Length = 0;
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+ }
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+
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+ WebROCollection form;
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+
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+ HttpFileCollection files;
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+
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+ public sealed class HttpFileCollection : NameObjectCollectionBase
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+ {
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+ internal HttpFileCollection()
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+ {
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+ }
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+
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+ internal void AddFile(string name, HttpPostedFile file)
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+ {
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+ BaseAdd(name, file);
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+ }
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+
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+ public void CopyTo(Array dest, int index)
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+ {
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+ /* XXX this is kind of gross and inefficient
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+ * since it makes a copy of the superclass's
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+ * list */
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+ object[] values = BaseGetAllValues();
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+ values.CopyTo(dest, index);
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+ }
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+
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+ public string GetKey(int index)
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+ {
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+ return BaseGetKey(index);
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+ }
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+
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+ public HttpPostedFile Get(int index)
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+ {
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+ return (HttpPostedFile)BaseGet(index);
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+ }
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+
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+ public HttpPostedFile Get(string key)
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+ {
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+ return (HttpPostedFile)BaseGet(key);
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+ }
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+
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+ public HttpPostedFile this[string key]
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+ {
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+ get
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+ {
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+ return Get(key);
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+ }
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+ }
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+
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+ public HttpPostedFile this[int index]
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+ {
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+ get
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+ {
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+ return Get(index);
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+ }
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+ }
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+
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+ public string[] AllKeys
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+ {
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+ get
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+ {
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+ return BaseGetAllKeys();
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+ }
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+ }
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+ }
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+ class WebROCollection : NameValueCollection
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+ {
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+ bool got_id;
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+ int id;
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+
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+ public bool GotID
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+ {
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+ get { return got_id; }
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+ }
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+
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+ public int ID
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+ {
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+ get { return id; }
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+ set
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+ {
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+ got_id = true;
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+ id = value;
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+ }
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+ }
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+ public void Protect()
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+ {
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+ IsReadOnly = true;
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+ }
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+
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+ public void Unprotect()
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+ {
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+ IsReadOnly = false;
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+ }
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+
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+ public override string ToString()
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+ {
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+ StringBuilder result = new StringBuilder();
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+ foreach (string key in AllKeys)
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+ {
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+ if (result.Length > 0)
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+ result.Append('&');
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+
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+ if (key != null && key.Length > 0)
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+ {
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+ result.Append(key);
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+ result.Append('=');
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+ }
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+ result.Append(Get(key));
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+ }
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+
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+ return result.ToString();
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+ }
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+ }
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+
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+ public sealed class HttpPostedFile
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+ {
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+ string name;
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+ string content_type;
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+ Stream stream;
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+
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+ class ReadSubStream : Stream
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+ {
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+ Stream s;
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+ long offset;
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+ long end;
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+ long position;
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+
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+ public ReadSubStream(Stream s, long offset, long length)
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+ {
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+ this.s = s;
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+ this.offset = offset;
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+ this.end = offset + length;
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+ position = offset;
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+ }
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+
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+ public override void Flush()
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+ {
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+ }
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+
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+ public override int Read(byte[] buffer, int dest_offset, int count)
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+ {
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+ if (buffer == null)
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+ throw new ArgumentNullException("buffer");
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+
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+ if (dest_offset < 0)
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+ throw new ArgumentOutOfRangeException("dest_offset", "< 0");
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+
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+ if (count < 0)
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+ throw new ArgumentOutOfRangeException("count", "< 0");
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+
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+ int len = buffer.Length;
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+ if (dest_offset > len)
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+ throw new ArgumentException("destination offset is beyond array size");
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+ // reordered to avoid possible integer overflow
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+ if (dest_offset > len - count)
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+ throw new ArgumentException("Reading would overrun buffer");
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+
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+ if (count > end - position)
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+ count = (int)(end - position);
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+
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+ if (count <= 0)
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+ return 0;
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+
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+ s.Position = position;
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+ int result = s.Read(buffer, dest_offset, count);
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+ if (result > 0)
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+ position += result;
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+ else
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+ position = end;
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+
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+ return result;
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+ }
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+
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+ public override int ReadByte()
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+ {
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+ if (position >= end)
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+ return -1;
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+
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+ s.Position = position;
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+ int result = s.ReadByte();
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+ if (result < 0)
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+ position = end;
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+ else
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+ position++;
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+
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+ return result;
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+ }
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+
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+ public override long Seek(long d, SeekOrigin origin)
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+ {
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+ long real;
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+ switch (origin)
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+ {
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+ case SeekOrigin.Begin:
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+ real = offset + d;
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+ break;
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+ case SeekOrigin.End:
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+ real = end + d;
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+ break;
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+ case SeekOrigin.Current:
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+ real = position + d;
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+ break;
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+ default:
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+ throw new ArgumentException();
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+ }
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+
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+ long virt = real - offset;
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+ if (virt < 0 || virt > Length)
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+ throw new ArgumentException();
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+
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+ position = s.Seek(real, SeekOrigin.Begin);
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+ return position;
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+ }
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+
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+ public override void SetLength(long value)
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+ {
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+ throw new NotSupportedException();
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+ }
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+
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+ public override void Write(byte[] buffer, int offset, int count)
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+ {
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+ throw new NotSupportedException();
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+ }
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|
|
+
|
|
|
+ public override bool CanRead
|
|
|
+ {
|
|
|
+ get { return true; }
|
|
|
+ }
|
|
|
+ public override bool CanSeek
|
|
|
+ {
|
|
|
+ get { return true; }
|
|
|
+ }
|
|
|
+ public override bool CanWrite
|
|
|
+ {
|
|
|
+ get { return false; }
|
|
|
+ }
|
|
|
+
|
|
|
+ public override long Length
|
|
|
+ {
|
|
|
+ get { return end - offset; }
|
|
|
+ }
|
|
|
+
|
|
|
+ public override long Position
|
|
|
+ {
|
|
|
+ get
|
|
|
+ {
|
|
|
+ return position - offset;
|
|
|
+ }
|
|
|
+ set
|
|
|
+ {
|
|
|
+ if (value > Length)
|
|
|
+ throw new ArgumentOutOfRangeException();
|
|
|
+
|
|
|
+ position = Seek(value, SeekOrigin.Begin);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ internal HttpPostedFile(string name, string content_type, Stream base_stream, long offset, long length)
|
|
|
+ {
|
|
|
+ this.name = name;
|
|
|
+ this.content_type = content_type;
|
|
|
+ this.stream = new ReadSubStream(base_stream, offset, length);
|
|
|
+ }
|
|
|
+
|
|
|
+ public string ContentType
|
|
|
+ {
|
|
|
+ get
|
|
|
+ {
|
|
|
+ return (content_type);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public int ContentLength
|
|
|
+ {
|
|
|
+ get
|
|
|
+ {
|
|
|
+ return (int)stream.Length;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public string FileName
|
|
|
+ {
|
|
|
+ get
|
|
|
+ {
|
|
|
+ return (name);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public Stream InputStream
|
|
|
+ {
|
|
|
+ get
|
|
|
+ {
|
|
|
+ return (stream);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public void SaveAs(string filename)
|
|
|
+ {
|
|
|
+ byte[] buffer = new byte[16 * 1024];
|
|
|
+ long old_post = stream.Position;
|
|
|
+
|
|
|
+ try
|
|
|
+ {
|
|
|
+ File.Delete(filename);
|
|
|
+ using (FileStream fs = File.Create(filename))
|
|
|
+ {
|
|
|
+ stream.Position = 0;
|
|
|
+ int n;
|
|
|
+
|
|
|
+ while ((n = stream.Read(buffer, 0, 16 * 1024)) != 0)
|
|
|
+ {
|
|
|
+ fs.Write(buffer, 0, n);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ finally
|
|
|
+ {
|
|
|
+ stream.Position = old_post;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ class Helpers
|
|
|
+ {
|
|
|
+ public static readonly CultureInfo InvariantCulture = CultureInfo.InvariantCulture;
|
|
|
+ }
|
|
|
+
|
|
|
+ internal sealed class StrUtils
|
|
|
+ {
|
|
|
+ StrUtils() { }
|
|
|
+
|
|
|
+ public static bool StartsWith(string str1, string str2)
|
|
|
+ {
|
|
|
+ return StartsWith(str1, str2, false);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static bool StartsWith(string str1, string str2, bool ignore_case)
|
|
|
+ {
|
|
|
+ int l2 = str2.Length;
|
|
|
+ if (l2 == 0)
|
|
|
+ return true;
|
|
|
+
|
|
|
+ int l1 = str1.Length;
|
|
|
+ if (l2 > l1)
|
|
|
+ return false;
|
|
|
+
|
|
|
+ return (0 == String.Compare(str1, 0, str2, 0, l2, ignore_case, Helpers.InvariantCulture));
|
|
|
+ }
|
|
|
+
|
|
|
+ public static bool EndsWith(string str1, string str2)
|
|
|
+ {
|
|
|
+ return EndsWith(str1, str2, false);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static bool EndsWith(string str1, string str2, bool ignore_case)
|
|
|
+ {
|
|
|
+ int l2 = str2.Length;
|
|
|
+ if (l2 == 0)
|
|
|
+ return true;
|
|
|
+
|
|
|
+ int l1 = str1.Length;
|
|
|
+ if (l2 > l1)
|
|
|
+ return false;
|
|
|
+
|
|
|
+ return (0 == String.Compare(str1, l1 - l2, str2, 0, l2, ignore_case, Helpers.InvariantCulture));
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ class HttpMultipart
|
|
|
+ {
|
|
|
+
|
|
|
+ public class Element
|
|
|
+ {
|
|
|
+ public string ContentType;
|
|
|
+ public string Name;
|
|
|
+ public string Filename;
|
|
|
+ public Encoding Encoding;
|
|
|
+ public long Start;
|
|
|
+ public long Length;
|
|
|
+
|
|
|
+ public override string ToString()
|
|
|
+ {
|
|
|
+ return "ContentType " + ContentType + ", Name " + Name + ", Filename " + Filename + ", Start " +
|
|
|
+ Start.ToString() + ", Length " + Length.ToString();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ Stream data;
|
|
|
+ string boundary;
|
|
|
+ byte[] boundary_bytes;
|
|
|
+ byte[] buffer;
|
|
|
+ bool at_eof;
|
|
|
+ Encoding encoding;
|
|
|
+ StringBuilder sb;
|
|
|
+
|
|
|
+ const byte HYPHEN = (byte)'-', LF = (byte)'\n', CR = (byte)'\r';
|
|
|
+
|
|
|
+ // See RFC 2046
|
|
|
+ // In the case of multipart entities, in which one or more different
|
|
|
+ // sets of data are combined in a single body, a "multipart" media type
|
|
|
+ // field must appear in the entity's header. The body must then contain
|
|
|
+ // one or more body parts, each preceded by a boundary delimiter line,
|
|
|
+ // and the last one followed by a closing boundary delimiter line.
|
|
|
+ // After its boundary delimiter line, each body part then consists of a
|
|
|
+ // header area, a blank line, and a body area. Thus a body part is
|
|
|
+ // similar to an RFC 822 message in syntax, but different in meaning.
|
|
|
+
|
|
|
+ public HttpMultipart(Stream data, string b, Encoding encoding)
|
|
|
+ {
|
|
|
+ this.data = data;
|
|
|
+ //DB: 30/01/11: cannot set or read the Position in HttpListener in Win.NET
|
|
|
+ //var ms = new MemoryStream(32 * 1024);
|
|
|
+ //data.CopyTo(ms);
|
|
|
+ //this.data = ms;
|
|
|
+
|
|
|
+ boundary = b;
|
|
|
+ boundary_bytes = encoding.GetBytes(b);
|
|
|
+ buffer = new byte[boundary_bytes.Length + 2]; // CRLF or '--'
|
|
|
+ this.encoding = encoding;
|
|
|
+ sb = new StringBuilder();
|
|
|
+ }
|
|
|
+
|
|
|
+ string ReadLine()
|
|
|
+ {
|
|
|
+ // CRLF or LF are ok as line endings.
|
|
|
+ bool got_cr = false;
|
|
|
+ int b = 0;
|
|
|
+ sb.Length = 0;
|
|
|
+ while (true)
|
|
|
+ {
|
|
|
+ b = data.ReadByte();
|
|
|
+ if (b == -1)
|
|
|
+ {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (b == LF)
|
|
|
+ {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ got_cr = (b == CR);
|
|
|
+ sb.Append((char)b);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (got_cr)
|
|
|
+ sb.Length--;
|
|
|
+
|
|
|
+ return sb.ToString();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ static string GetContentDispositionAttribute(string l, string name)
|
|
|
+ {
|
|
|
+ int idx = l.IndexOf(name + "=\"");
|
|
|
+ if (idx < 0)
|
|
|
+ return null;
|
|
|
+ int begin = idx + name.Length + "=\"".Length;
|
|
|
+ int end = l.IndexOf('"', begin);
|
|
|
+ if (end < 0)
|
|
|
+ return null;
|
|
|
+ if (begin == end)
|
|
|
+ return "";
|
|
|
+ return l.Substring(begin, end - begin);
|
|
|
+ }
|
|
|
+
|
|
|
+ string GetContentDispositionAttributeWithEncoding(string l, string name)
|
|
|
+ {
|
|
|
+ int idx = l.IndexOf(name + "=\"");
|
|
|
+ if (idx < 0)
|
|
|
+ return null;
|
|
|
+ int begin = idx + name.Length + "=\"".Length;
|
|
|
+ int end = l.IndexOf('"', begin);
|
|
|
+ if (end < 0)
|
|
|
+ return null;
|
|
|
+ if (begin == end)
|
|
|
+ return "";
|
|
|
+
|
|
|
+ string temp = l.Substring(begin, end - begin);
|
|
|
+ byte[] source = new byte[temp.Length];
|
|
|
+ for (int i = temp.Length - 1; i >= 0; i--)
|
|
|
+ source[i] = (byte)temp[i];
|
|
|
+
|
|
|
+ return encoding.GetString(source);
|
|
|
+ }
|
|
|
+
|
|
|
+ bool ReadBoundary()
|
|
|
+ {
|
|
|
+ try
|
|
|
+ {
|
|
|
+ string line = ReadLine();
|
|
|
+ while (line == "")
|
|
|
+ line = ReadLine();
|
|
|
+ if (line[0] != '-' || line[1] != '-')
|
|
|
+ return false;
|
|
|
+
|
|
|
+ if (!StrUtils.EndsWith(line, boundary, false))
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ catch
|
|
|
+ {
|
|
|
+ }
|
|
|
+
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ string ReadHeaders()
|
|
|
+ {
|
|
|
+ string s = ReadLine();
|
|
|
+ if (s == "")
|
|
|
+ return null;
|
|
|
+
|
|
|
+ return s;
|
|
|
+ }
|
|
|
+
|
|
|
+ bool CompareBytes(byte[] orig, byte[] other)
|
|
|
+ {
|
|
|
+ for (int i = orig.Length - 1; i >= 0; i--)
|
|
|
+ if (orig[i] != other[i])
|
|
|
+ return false;
|
|
|
+
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ long MoveToNextBoundary()
|
|
|
+ {
|
|
|
+ long retval = 0;
|
|
|
+ bool got_cr = false;
|
|
|
+
|
|
|
+ int state = 0;
|
|
|
+ int c = data.ReadByte();
|
|
|
+ while (true)
|
|
|
+ {
|
|
|
+ if (c == -1)
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ if (state == 0 && c == LF)
|
|
|
+ {
|
|
|
+ retval = data.Position - 1;
|
|
|
+ if (got_cr)
|
|
|
+ retval--;
|
|
|
+ state = 1;
|
|
|
+ c = data.ReadByte();
|
|
|
+ }
|
|
|
+ else if (state == 0)
|
|
|
+ {
|
|
|
+ got_cr = (c == CR);
|
|
|
+ c = data.ReadByte();
|
|
|
+ }
|
|
|
+ else if (state == 1 && c == '-')
|
|
|
+ {
|
|
|
+ c = data.ReadByte();
|
|
|
+ if (c == -1)
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ if (c != '-')
|
|
|
+ {
|
|
|
+ state = 0;
|
|
|
+ got_cr = false;
|
|
|
+ continue; // no ReadByte() here
|
|
|
+ }
|
|
|
+
|
|
|
+ int nread = data.Read(buffer, 0, buffer.Length);
|
|
|
+ int bl = buffer.Length;
|
|
|
+ if (nread != bl)
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ if (!CompareBytes(boundary_bytes, buffer))
|
|
|
+ {
|
|
|
+ state = 0;
|
|
|
+ data.Position = retval + 2;
|
|
|
+ if (got_cr)
|
|
|
+ {
|
|
|
+ data.Position++;
|
|
|
+ got_cr = false;
|
|
|
+ }
|
|
|
+ c = data.ReadByte();
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (buffer[bl - 2] == '-' && buffer[bl - 1] == '-')
|
|
|
+ {
|
|
|
+ at_eof = true;
|
|
|
+ }
|
|
|
+ else if (buffer[bl - 2] != CR || buffer[bl - 1] != LF)
|
|
|
+ {
|
|
|
+ state = 0;
|
|
|
+ data.Position = retval + 2;
|
|
|
+ if (got_cr)
|
|
|
+ {
|
|
|
+ data.Position++;
|
|
|
+ got_cr = false;
|
|
|
+ }
|
|
|
+ c = data.ReadByte();
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ data.Position = retval + 2;
|
|
|
+ if (got_cr)
|
|
|
+ data.Position++;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ // state == 1
|
|
|
+ state = 0; // no ReadByte() here
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return retval;
|
|
|
+ }
|
|
|
+
|
|
|
+ public Element ReadNextElement()
|
|
|
+ {
|
|
|
+ if (at_eof || ReadBoundary())
|
|
|
+ return null;
|
|
|
+
|
|
|
+ Element elem = new Element();
|
|
|
+ string header;
|
|
|
+ while ((header = ReadHeaders()) != null)
|
|
|
+ {
|
|
|
+ if (StrUtils.StartsWith(header, "Content-Disposition:", true))
|
|
|
+ {
|
|
|
+ elem.Name = GetContentDispositionAttribute(header, "name");
|
|
|
+ elem.Filename = StripPath(GetContentDispositionAttributeWithEncoding(header, "filename"));
|
|
|
+ }
|
|
|
+ else if (StrUtils.StartsWith(header, "Content-Type:", true))
|
|
|
+ {
|
|
|
+ elem.ContentType = header.Substring("Content-Type:".Length).Trim();
|
|
|
+ elem.Encoding = GetEncoding(elem.ContentType);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ long start = 0;
|
|
|
+ start = data.Position;
|
|
|
+ elem.Start = start;
|
|
|
+ long pos = MoveToNextBoundary();
|
|
|
+ if (pos == -1)
|
|
|
+ return null;
|
|
|
+
|
|
|
+ elem.Length = pos - start;
|
|
|
+ return elem;
|
|
|
+ }
|
|
|
+
|
|
|
+ static string StripPath(string path)
|
|
|
+ {
|
|
|
+ if (path == null || path.Length == 0)
|
|
|
+ return path;
|
|
|
+
|
|
|
+ if (path.IndexOf(":\\") != 1 && !path.StartsWith("\\\\"))
|
|
|
+ return path;
|
|
|
+ return path.Substring(path.LastIndexOf('\\') + 1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+}
|