/// <summary>
/// Example showing:
/// - how to fetch all messages from a POP3 server
/// </summary>
/// <param name="hostname">Hostname of the server. For example: pop3.live.com</param>
/// <param name="port">Host port to connect to. Normally: 110 for plain POP3, 995 for SSL POP3</param>
/// <param name="useSsl">Whether or not to use SSL to connect to server</param>
/// <param name="username">Username of the user on the server</param>
/// <param name="password">Password of the user on the server</param>
/// <returns>All Messages on the POP3 server</returns>
public void ProcessNewMessages(string hostname, int port, bool useSsl, string username, string password)
{
// The client disconnects from the server when being disposed
using (Pop3Client client = new Pop3Client())
{
// Connect to the server
client.Connect(hostname, port, useSsl);
// Authenticate ourselves towards the server
client.Authenticate(username, password);
// Get the number of messages in the inbox
int messageCount = client.GetMessageCount();
// We don't want to download all messages
// List<Message> allMessages = new List<Message>(messageCount);
List<string> uids = client.GetMessageUids();
// Messages are numbered in the interval: [1, messageCount]
// Ergo: message numbers are 1-based.
for (int i = 1; i <= messageCount; i++)
{
String uid = client.GetMessageUid(i);
if (seenUids.Contains(uid))
{
continue;
}
Message m = client.GetMessage(i);
if (m.MessagePart != null)
{
if (m.MessagePart.MessageParts != null)
{
for (int j = 0; j < m.MessagePart.MessageParts.Count; j++)
{
//if (m.MessagePart.MessageParts[j].Body != null)
//{
// System.Console.Write(ASCIIEncoding.ASCII.GetString(m.MessagePart.MessageParts[j].Body));
//}
if (((m.MessagePart.MessageParts[j].IsAttachment) &&
(m.MessagePart.MessageParts[j].FileName == "invite.ics")) ||
((m.MessagePart.MessageParts[j].ContentType != null) &&
(m.MessagePart.MessageParts[j].ContentType.MediaType.StartsWith("text/calendar"))))
{
//System.Console.Write(ASCIIEncoding.ASCII.GetString(m.MessagePart.MessageParts[j].Body));
List<String> lines = ParseICalendar(m.MessagePart.MessageParts[j].Body);
// Then find the relevant lines.
// Make sure this is a VCALENDAR attachment.
if ((lines != null) && lines[0].StartsWith("BEGIN:VCALENDAR"))
{
Meeting meeting = new Meeting();
ExtractAttributes(lines, meeting);
String json = meeting.ToJson();
System.Console.WriteLine("Processing Message: " + uid);
System.Console.WriteLine("JSON: " + json);
seenUids.Add(uid);
//PostJsonToWebServer(json);
}
}
}
}
}
//System.Console.Write(ASCIIEncoding.ASCII.GetString(m.MessagePart.MessageParts[0].Body));
//allMessages.Add(m);
}
}
}
private void ExtractAttributes(List<String> lines, Meeting m)
{
for (int i = 0; i < lines.Count; i++)
{
if (lines[i].StartsWith("ATTENDEE;CUTYPE="))
{
Person attendee = new Person();
String[] words = lines[i].Split(';');
for (int j = 0; j < words.Length; j++)
{
if (words[j].StartsWith("CN="))
{
String[] parts = words[j].Split('=');
if (parts.Length > 1)
{
attendee.name = parts[1];
}
}
else if (words[j].StartsWith("X-NUM-GUESTS"))
{
String[] part = words[j].Split(':');
if ((part.Length == 3) &&
(part[0].StartsWith("X-NUM-GUESTS")) &&
(part[1].StartsWith("mailto")))
{
attendee.email = part[2];
}
}
}
m.attendees.Add(attendee);
}
if (lines[i].StartsWith("ATTENDEE;ROLE="))
{
Person attendee = new Person();
String[] words = lines[i].Split(';');
for (int j = 0; j < words.Length; j++)
{
if (words[j].StartsWith("CN="))
{
String[] part = words[j].Split(':');
if ((part.Length == 3) &&
(part[0].StartsWith("CN")) &&
(part[1].StartsWith("mailto", StringComparison.CurrentCultureIgnoreCase)))
{
String[] subparts = part[0].Split('=');
if (subparts.Length > 1)
{
attendee.name = subparts[1];
}
attendee.email = part[2];
}
}
}
m.attendees.Add(attendee);
}
else if (lines[i].StartsWith("ORGANIZER"))
{
Person organizer = new Person();
String[] words = lines[i].Split(';');
for (int j = 0; j < words.Length; j++)
{
if (words[j].StartsWith("CN="))
{
String[] part = words[j].Split(':');
if ((part.Length == 3) &&
(part[0].StartsWith("CN")) &&
(part[1].StartsWith("mailto", StringComparison.CurrentCultureIgnoreCase)))
{
String[] subparts = part[0].Split('=');
if (subparts.Length > 1)
{
organizer.name = subparts[1];
}
organizer.email = part[2];
}
}
}
m.organizer = organizer;
}
else if (lines[i].StartsWith("SUMMARY"))
{
String[] words = lines[i].Split(':');
if ((words.Length == 2) &&
(words[0].StartsWith("SUMMARY")))
{
m.title = words[1];
}
}
else if (lines[i].StartsWith("LOCATION"))
{
String[] words = lines[i].Split(':');
if ((words.Length == 2) &&
(words[0].StartsWith("LOCATION")))
{
m.location = words[1];
}
}
else if (lines[i].StartsWith("DTSTART"))
{
String[] words = lines[i].Split(':');
if ((words.Length == 2) &&
(words[0].StartsWith("DTSTART")))
{
m.startDate = words[1];
}
}
else if (lines[i].StartsWith("DTEND"))
{
String[] words = lines[i].Split(':');
if ((words.Length == 2) &&
(words[0].StartsWith("DTEND")))
{
m.endDate = words[1];
}
}
}
}
