protected override CommandStream.PipelineEntry[] BuildCommandsList(WebRequest req)
{
string str3;
string str4;
string str5;
bool flag = false;
FtpWebRequest request = (FtpWebRequest)req;
this.m_ResponseUri = request.RequestUri;
ArrayList list = new ArrayList();
if (request.EnableSsl && !base.UsingSecureStream)
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("AUTH", "TLS")));
flag = true;
}
if (flag)
{
this.m_LoginDirectory = null;
this.m_EstablishedServerDirectory = null;
this.m_RequestedServerDirectory = null;
this.m_CurrentTypeSetting = string.Empty;
if (this.m_LoginState == FtpLoginState.LoggedIn)
{
this.m_LoginState = FtpLoginState.LoggedInButNeedsRelogin;
}
}
if (this.m_LoginState != FtpLoginState.LoggedIn)
{
this.Credentials = request.Credentials.GetCredential(request.RequestUri, "basic");
this.m_WelcomeMessage = new StringBuilder();
this.m_ExitMessage = new StringBuilder();
string parameter = string.Empty;
string password = string.Empty;
if (this.Credentials != null)
{
parameter = this.Credentials.InternalGetDomainUserName();
password = this.Credentials.InternalGetPassword();
}
if ((parameter.Length == 0) && (password.Length == 0))
{
parameter = "anonymous";
password = "******";
}
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("USER", parameter)));
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("PASS", password), CommandStream.PipelineEntryFlags.DontLogParameter));
if (request.EnableSsl && !base.UsingSecureStream)
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("PBSZ", "0")));
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("PROT", "P")));
}
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("OPTS", "utf8 on")));
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("PWD", null)));
}
GetPathOption normal = GetPathOption.Normal;
if (request.MethodInfo.HasFlag(FtpMethodFlags.DoesNotTakeParameter))
{
normal = GetPathOption.AssumeNoFilename;
}
else if (request.MethodInfo.HasFlag(FtpMethodFlags.ParameterIsDirectory))
{
normal = GetPathOption.AssumeFilename;
}
GetPathInfo(normal, request.RequestUri, out str3, out str4, out str5);
if ((str5.Length == 0) && request.MethodInfo.HasFlag(FtpMethodFlags.TakesParameter))
{
throw new WebException(SR.GetString("net_ftp_invalid_uri"));
}
if (((this.m_EstablishedServerDirectory != null) && (this.m_LoginDirectory != null)) && (this.m_EstablishedServerDirectory != this.m_LoginDirectory))
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("CWD", this.m_LoginDirectory), CommandStream.PipelineEntryFlags.UserCommand));
this.m_RequestedServerDirectory = this.m_LoginDirectory;
}
if (request.MethodInfo.HasFlag(FtpMethodFlags.MustChangeWorkingDirectoryToPath) && (str4.Length > 0))
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("CWD", str4), CommandStream.PipelineEntryFlags.UserCommand));
this.m_RequestedServerDirectory = str4;
}
if (((request.CacheProtocol != null) && (request.CacheProtocol.ProtocolStatus == CacheValidationStatus.DoNotTakeFromCache)) && (request.MethodInfo.Operation == FtpOperation.DownloadFile))
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("MDTM", str3)));
}
if (!request.MethodInfo.IsCommandOnly)
{
if ((request.CacheProtocol == null) || (request.CacheProtocol.ProtocolStatus != CacheValidationStatus.Continue))
{
string str6 = request.UseBinary ? "I" : "A";
if (this.m_CurrentTypeSetting != str6)
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("TYPE", str6)));
this.m_CurrentTypeSetting = str6;
}
if (request.UsePassive)
{
string command = (base.ServerAddress.AddressFamily == AddressFamily.InterNetwork) ? "PASV" : "EPSV";
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand(command, null), CommandStream.PipelineEntryFlags.CreateDataConnection));
}
else
{
string str8 = (base.ServerAddress.AddressFamily == AddressFamily.InterNetwork) ? "PORT" : "EPRT";
this.CreateFtpListenerSocket(request);
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand(str8, this.GetPortCommandLine(request))));
}
if ((request.CacheProtocol != null) && (request.CacheProtocol.ProtocolStatus == CacheValidationStatus.CombineCachedAndServerResponse))
{
if (request.CacheProtocol.Validator.CacheEntry.StreamSize > 0L)
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("REST", request.CacheProtocol.Validator.CacheEntry.StreamSize.ToString(CultureInfo.InvariantCulture))));
}
}
else if (request.ContentOffset > 0L)
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("REST", request.ContentOffset.ToString(CultureInfo.InvariantCulture))));
}
}
else
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("SIZE", str3)));
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("MDTM", str3)));
}
}
if ((request.CacheProtocol == null) || (request.CacheProtocol.ProtocolStatus != CacheValidationStatus.Continue))
{
CommandStream.PipelineEntryFlags userCommand = CommandStream.PipelineEntryFlags.UserCommand;
if (!request.MethodInfo.IsCommandOnly)
{
userCommand |= CommandStream.PipelineEntryFlags.GiveDataStream;
if (!request.UsePassive)
{
userCommand |= CommandStream.PipelineEntryFlags.CreateDataConnection;
}
}
if (request.MethodInfo.Operation == FtpOperation.Rename)
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("RNFR", str4 + "/" + str5), userCommand));
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("RNTO", str4 + "/" + request.RenameTo), userCommand));
}
else if (request.MethodInfo.HasFlag(FtpMethodFlags.DoesNotTakeParameter))
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand(request.Method, string.Empty), userCommand));
}
else if (request.MethodInfo.HasFlag(FtpMethodFlags.MustChangeWorkingDirectoryToPath))
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand(request.Method, str5), userCommand));
}
else
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand(request.Method, str3), userCommand));
}
if (!request.KeepAlive)
{
list.Add(new CommandStream.PipelineEntry(this.FormatFtpCommand("QUIT", null)));
}
}
return((CommandStream.PipelineEntry[])list.ToArray(typeof(CommandStream.PipelineEntry)));
}
internal bool HasFlag(CommandStream.PipelineEntryFlags flags)
{
return((this.Flags & flags) != 0);
}
internal PipelineEntry(string command, CommandStream.PipelineEntryFlags flags)
{
this.Command = command;
this.Flags = flags;
}
internal PipelineEntry(string command, CommandStream.PipelineEntryFlags flags)
{
this.Command = command;
this.Flags = flags;
}
