/// <inheritdoc/>
public async Task Process(IConnection connection, SmtpCommand command)
{
if (!string.IsNullOrEmpty(connection.Session.ClientName))
{
await connection.WriteResponse(
new SmtpResponse(
StandardSmtpResponseCode.BadSequenceOfCommands,
"You already said HELO")).ConfigureAwait(false);
return;
}
connection.Session.ClientName = command.ArgumentsText ?? string.Empty;
SmtpStringBuilder text = new SmtpStringBuilder();
text.AppendLine("Nice to meet you.");
foreach (Extensions.IExtensionProcessor extensionProcessor in connection.ExtensionProcessors)
{
foreach (string ehloKeyword in await extensionProcessor.GetEHLOKeywords().ConfigureAwait(false))
{
text.AppendLine(ehloKeyword);
}
}
await connection.WriteResponse(new SmtpResponse(StandardSmtpResponseCode.OK, text.ToString().TrimEnd())).ConfigureAwait(false);
}
/// <summary>
/// Returns a <see cref="string"/> that represents the response.
/// </summary>
/// <returns>A <see cref="string"/> that represents the response.</returns>
public override string ToString()
{
SmtpStringBuilder result = new SmtpStringBuilder();
string[] lines = this.Message.Split(new string[] { "\r\n" }, System.StringSplitOptions.None);
for (int l = 0; l < lines.Length; l++)
{
string line = lines[l];
if (l == lines.Length - 1)
{
result.AppendLine(this.Code + " " + line);
}
else
{
result.AppendLine(this.Code + "-" + line);
}
}
return(result.ToString());
}