/// <summary>
/// Method that takes a full message and extract the headers from it.
/// </summary>
/// <param name="messageContent">The message to extract headers from. Does not need the body part. Needs the empty headers end line.</param>
/// <returns>A collection of Name and Value pairs of headers</returns>
/// <exception cref="T:System.ArgumentNullException">If <paramref name="messageContent" /> is <see langword="null" /></exception>
private static NameValueCollection ExtractHeaders(string messageContent)
{
if (messageContent == null)
{
throw new ArgumentNullException("messageContent");
}
NameValueCollection headers = new NameValueCollection();
using (StringReader messageReader = new StringReader(messageContent))
{
string line;
while (!string.IsNullOrEmpty(line = messageReader.ReadLine()))
{
KeyValuePair <string, string> header = HeaderExtractor.SeparateHeaderNameAndValue(line);
string headerName = header.Key;
StringBuilder headerValue = new StringBuilder(header.Value);
while (HeaderExtractor.IsMoreLinesInHeaderValue(messageReader))
{
string moreHeaderValue = messageReader.ReadLine();
if (moreHeaderValue == null)
{
throw new ArgumentException("This will never happen");
}
headerValue.Append(moreHeaderValue);
}
headers.Add(headerName, headerValue.ToString());
}
}
return(headers);
}
private static MessagePart GetMessagePart(byte[] rawMessageContent)
{
MessageHeader headers;
byte[] body;
HeaderExtractor.ExtractHeadersAndBody(rawMessageContent, out headers, out body);
return(new MessagePart(body, headers));
}
public PopMessage(byte[] rawMessageContent, bool getBody)
{
this.RawMessage = rawMessageContent;
MessageHeader headersTemp;
byte[] body;
HeaderExtractor.ExtractHeadersAndBody(rawMessageContent, out headersTemp, out body);
this.Headers = headersTemp;
if (getBody)
{
this.MessagePart = new MessagePart(body, this.Headers);
}
}
/// <summary>
/// Extract the header part and body part of a message.<br />
/// The headers are then parsed to a strongly typed <see cref="T:OpenPop.Mime.Header.MessageHeader" /> object.
/// </summary>
/// <param name="fullRawMessage">The full message in bytes where header and body needs to be extracted from</param>
/// <param name="headers">The extracted header parts of the message</param>
/// <param name="body">The body part of the message</param>
/// <exception cref="T:System.ArgumentNullException">If <paramref name="fullRawMessage" /> is <see langword="null" /></exception>
public static void ExtractHeadersAndBody(byte[] fullRawMessage, out MessageHeader headers, out byte[] body)
{
if (fullRawMessage == null)
{
throw new ArgumentNullException("fullRawMessage");
}
int endOfHeaderLocation = HeaderExtractor.FindHeaderEndPosition(fullRawMessage);
string headersString = Encoding.ASCII.GetString(fullRawMessage, 0, endOfHeaderLocation);
NameValueCollection headersUnparsedCollection = HeaderExtractor.ExtractHeaders(headersString);
headers = new MessageHeader(headersUnparsedCollection);
body = new byte[fullRawMessage.Length - endOfHeaderLocation];
Array.Copy(fullRawMessage, endOfHeaderLocation, body, 0, body.Length);
}
