/// <summary>
/// Constructs a message from a byte array.<br/>
/// <br/>
/// The headers are always parsed, but if <paramref name="parseBody"/> is <see langword="false"/>, the body is not parsed.
/// </summary>
/// <param name="rawMessageContent">The byte array which is the message contents to parse</param>
/// <param name="parseBody">
/// <see langword="true"/> if the body should be parsed,
/// <see langword="false"/> if only headers should be parsed out of the <paramref name="rawMessageContent"/> byte array
/// </param>
public Message(byte[] rawMessageContent, bool parseBody)
{
RawMessage = rawMessageContent;
// Find the headers and the body parts of the byte array
MessageHeader headersTemp;
byte[] body;
HeaderExtractor.ExtractHeadersAndBody(rawMessageContent, out headersTemp, out body);
// Set the Headers property
Headers = headersTemp;
// Should we also parse the body?
if (parseBody)
{
// Parse the body into a MessagePart
MessagePart = new MessagePart(body, Headers);
var findBodyMessagePartWithMediaType = new FindBodyMessagePartWithMediaType();
// Searches for the first HTML body and mark this one as the HTML body of the E-mail
HtmlBody = findBodyMessagePartWithMediaType.VisitMessage(this, "text/html");
if (HtmlBody != null)
HtmlBody.IsHtmlBody = true;
// Searches for the first TEXT body and mark this one as the TEXT body of the E-mail
TextBody = findBodyMessagePartWithMediaType.VisitMessage(this, "text/plain");
if (TextBody != null)
TextBody.IsTextBody = true;
var attachments = new AttachmentFinder().VisitMessage(this);
if (attachments != null)
Attachments = attachments.AsReadOnly();
}
}
/// <summary>
/// Constructs a message from a byte array.<br/>
/// <br/>
/// The headers are always parsed, but if <paramref name="parseBody"/> is <see langword="false"/>, the body is not parsed.
/// </summary>
/// <param name="rawMessageContent">The byte array which is the message contents to parse</param>
/// <param name="parseBody">
/// <see langword="true"/> if the body should be parsed,
/// <see langword="false"/> if only headers should be parsed out of the <paramref name="rawMessageContent"/> byte array
/// </param>
public Message(byte[] rawMessageContent, bool parseBody)
{
Logger.WriteToLog("Processing raw EML message content");
RawMessage = rawMessageContent;
// Find the headers and the body parts of the byte array
HeaderExtractor.ExtractHeadersAndBody(rawMessageContent, out var headersTemp, out var body);
// Set the Headers property
Headers = headersTemp;
// Should we also parse the body?
if (parseBody)
{
// Parse the body into a MessagePart
MessagePart = new MessagePart(body, Headers);
var attachments = new AttachmentFinder().VisitMessage(this);
if (MessagePart.ContentType?.MediaType == "multipart/signed")
{
foreach (var attachment in attachments)
{
if (attachment.FileName.ToUpperInvariant() == "SMIME.P7S")
{
ProcessSignedContent(attachment.Body);
}
}
}
var findBodyMessagePartWithMediaType = new FindBodyMessagePartWithMediaType();
// Searches for the first HTML body and mark this one as the HTML body of the E-mail
if (HtmlBody == null)
{
HtmlBody = findBodyMessagePartWithMediaType.VisitMessage(this, "text/html");
if (HtmlBody != null)
{
HtmlBody.IsHtmlBody = true;
}
}
// Searches for the first TEXT body and mark this one as the TEXT body of the E-mail
if (TextBody == null)
{
TextBody = findBodyMessagePartWithMediaType.VisitMessage(this, "text/plain");
if (TextBody != null)
{
TextBody.IsTextBody = true;
}
}
if (HtmlBody != null)
{
foreach (var attachment in attachments)
{
if (attachment.IsInline || attachment.ContentId == null || attachment.FileName.ToUpperInvariant() == "SMIME.P7S")
{
continue;
}
var htmlBody = HtmlBody.BodyEncoding.GetString(HtmlBody.Body);
attachment.IsInline = htmlBody.Contains($"cid:{attachment.ContentId}");
}
}
if (attachments != null)
{
var result = new List <MessagePart>();
foreach (var attachment in attachments)
{
if (attachment.FileName.ToUpperInvariant() == "SMIME.P7S" ||
attachment.IsHtmlBody ||
attachment.IsTextBody)
{
continue;
}
result.Add(attachment);
}
Attachments = result.AsReadOnly();
}
}
Logger.WriteToLog("Raw EML message content processed");
}
