static BodyPartMessage CreateMessage(string type, string subtype, string partSpecifier, BodyPart body)
{
var message = new BodyPartMessage {
ContentType = CreateContentType(type, subtype, partSpecifier)
};
message.Body = body;
return(message);
}
static BodyPartMessage CreateMessage(string type, string subtype, string partSpecifier, BodyPart body, bool attachment)
{
var message = new BodyPartMessage {
ContentType = CreateContentType(type, subtype, partSpecifier)
};
if (attachment)
{
message.ContentDisposition = new ContentDisposition(ContentDisposition.Attachment);
}
message.Body = body;
return(message);
}
/// <summary>
/// Visit the message/rfc822 or message/news MIME entity.
/// </summary>
/// <remarks>
/// Visits the message/rfc822 or message/news MIME entity.
/// </remarks>
/// <param name="entity">The message/rfc822 or message/news body part.</param>
protected internal virtual void VisitBodyPartMessage(BodyPartMessage entity)
{
VisitBodyPartBasic(entity);
VisitMessage(entity.Body);
}
public static BodyPart ParseBody (ImapEngine engine, string path, CancellationToken cancellationToken)
{
var token = engine.ReadToken (cancellationToken);
if (token.Type == ImapTokenType.Nil)
return null;
if (token.Type != ImapTokenType.OpenParen)
throw ImapEngine.UnexpectedToken (token, false);
token = engine.PeekToken (cancellationToken);
if (token.Type == ImapTokenType.OpenParen)
return ParseMultipart (engine, path, null, cancellationToken);
ContentType type;
string value;
if (!ParseContentType (engine, cancellationToken, out type, out value)) {
// GMail breakage... yay! What we have is a nested multipart with
// the same boundary as its parent.
return ParseMultipart (engine, path, value, cancellationToken);
}
var id = ReadNStringToken (engine, false, cancellationToken);
var desc = ReadNStringToken (engine, true, cancellationToken);
// Note: technically, body-fld-enc, is not allowed to be NIL, but we need to deal with broken servers...
var enc = ReadNStringToken (engine, false, cancellationToken);
var octets = ReadNumber (engine, cancellationToken);
BodyPartBasic body;
if (type.Matches ("message", "rfc822")) {
var mesg = new BodyPartMessage ();
// Note: GMail (and potentially other IMAP servers) will send body-part-basic
// expressions instead of body-part-msg expressions when they encounter
// message/rfc822 MIME parts that are illegally encoded using base64 (or
// quoted-printable?). According to rfc3501, IMAP servers are REQUIRED to
// send body-part-msg expressions for message/rfc822 parts, however, it is
// understandable why GMail (and other IMAP servers?) do what they do in this
// particular case.
//
// For examples, see issue #32 and issue #59.
//
// The workaround is to check for the expected '(' signifying an envelope token.
// If we do not get an '(', then we are likely looking at the Content-MD5 token
// which gets handled below.
token = engine.PeekToken (cancellationToken);
if (token.Type == ImapTokenType.OpenParen) {
mesg.Envelope = ParseEnvelope (engine, cancellationToken);
mesg.Body = ParseBody (engine, path, cancellationToken);
mesg.Lines = ReadNumber (engine, cancellationToken);
}
body = mesg;
} else if (type.Matches ("text", "*")) {
var text = new BodyPartText ();
text.Lines = ReadNumber (engine, cancellationToken);
body = text;
} else {
body = new BodyPartBasic ();
}
body.ContentTransferEncoding = enc;
body.ContentDescription = desc;
body.PartSpecifier = path;
body.ContentType = type;
body.ContentId = id;
body.Octets = octets;
// if we are parsing a BODYSTRUCTURE, we may get some more tokens before the ')'
token = engine.PeekToken (cancellationToken);
if (token.Type != ImapTokenType.CloseParen) {
body.ContentMd5 = ReadNStringToken (engine, false, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen) {
body.ContentDisposition = ParseContentDisposition (engine, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen) {
body.ContentLanguage = ParseContentLanguage (engine, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen) {
body.ContentLocation = ParseContentLocation (engine, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
SkipBodyExtensions (engine, cancellationToken);
// read the ')'
token = engine.ReadToken (cancellationToken);
if (token.Type != ImapTokenType.CloseParen)
throw ImapEngine.UnexpectedToken (token, false);
return body;
}
public static BodyPart ParseBody(ImapEngine engine, string path, CancellationToken cancellationToken)
{
var token = engine.ReadToken(cancellationToken);
if (token.Type == ImapTokenType.Nil)
{
return(null);
}
if (token.Type != ImapTokenType.OpenParen)
{
throw ImapEngine.UnexpectedToken(token, false);
}
token = engine.PeekToken(cancellationToken);
if (token.Type == ImapTokenType.OpenParen)
{
return(ParseMultipart(engine, path, cancellationToken));
}
var type = ParseContentType(engine, cancellationToken);
var id = ReadNStringToken(engine, false, cancellationToken);
var desc = ReadNStringToken(engine, true, cancellationToken);
var enc = ReadStringToken(engine, cancellationToken);
var octets = ReadNumber(engine, cancellationToken);
BodyPartBasic body;
if (type.Matches("message", "rfc822"))
{
var mesg = new BodyPartMessage();
mesg.Envelope = ParseEnvelope(engine, cancellationToken);
mesg.Body = ParseBody(engine, path, cancellationToken);
mesg.Lines = ReadNumber(engine, cancellationToken);
body = mesg;
}
else if (type.Matches("text", "*"))
{
var text = new BodyPartText();
text.Lines = ReadNumber(engine, cancellationToken);
body = text;
}
else
{
body = new BodyPartBasic();
}
body.ContentTransferEncoding = enc;
body.ContentDescription = desc;
body.PartSpecifier = path;
body.ContentType = type;
body.ContentId = id;
body.Octets = octets;
// if we are parsing a BODYSTRUCTURE, we may get some more tokens before the ')'
token = engine.PeekToken(cancellationToken);
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentMd5 = ReadNStringToken(engine, false, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentDisposition = ParseContentDisposition(engine, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentLanguage = ParseContentLocation(engine, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentLocation = ReadNStringToken(engine, false, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
SkipBodyExtensions(engine, cancellationToken);
}
// read the ')'
token = engine.ReadToken(cancellationToken);
if (token.Type != ImapTokenType.CloseParen)
{
throw ImapEngine.UnexpectedToken(token, false);
}
return(body);
}
public static BodyPart ParseBody(ImapEngine engine, string path, CancellationToken cancellationToken)
{
var token = engine.ReadToken (cancellationToken);
if (token.Type == ImapTokenType.Nil)
return null;
if (token.Type != ImapTokenType.OpenParen)
throw ImapEngine.UnexpectedToken (token, false);
token = engine.PeekToken (cancellationToken);
if (token.Type == ImapTokenType.OpenParen)
return ParseMultipart (engine, path, cancellationToken);
var type = ParseContentType (engine, cancellationToken);
var id = ReadNStringToken (engine, false, cancellationToken);
var desc = ReadNStringToken (engine, true, cancellationToken);
var enc = ReadStringToken (engine, cancellationToken);
var octets = ReadNumber (engine, cancellationToken);
BodyPartBasic body;
if (type.Matches ("message", "rfc822")) {
var mesg = new BodyPartMessage ();
mesg.Envelope = ParseEnvelope (engine, cancellationToken);
mesg.Body = ParseBody (engine, path, cancellationToken);
mesg.Lines = ReadNumber (engine, cancellationToken);
body = mesg;
} else if (type.Matches ("text", "*")) {
var text = new BodyPartText ();
text.Lines = ReadNumber (engine, cancellationToken);
body = text;
} else {
body = new BodyPartBasic ();
}
body.ContentTransferEncoding = enc;
body.ContentDescription = desc;
body.PartSpecifier = path;
body.ContentType = type;
body.ContentId = id;
body.Octets = octets;
// if we are parsing a BODYSTRUCTURE, we may get some more tokens before the ')'
token = engine.PeekToken (cancellationToken);
if (token.Type != ImapTokenType.CloseParen) {
body.ContentMd5 = ReadNStringToken (engine, false, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen) {
body.ContentDisposition = ParseContentDisposition (engine, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen) {
body.ContentLanguage = ParseContentLocation (engine, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen) {
body.ContentLocation = ReadNStringToken (engine, false, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
SkipBodyExtensions (engine, cancellationToken);
// read the ')'
token = engine.ReadToken (cancellationToken);
if (token.Type != ImapTokenType.CloseParen)
throw ImapEngine.UnexpectedToken (token, false);
return body;
}
public static BodyPart ParseBody(ImapEngine engine, string path, CancellationToken cancellationToken)
{
var token = engine.ReadToken(cancellationToken);
if (token.Type == ImapTokenType.Nil)
{
return(null);
}
if (token.Type != ImapTokenType.OpenParen)
{
throw ImapEngine.UnexpectedToken(token, false);
}
token = engine.PeekToken(cancellationToken);
if (token.Type == ImapTokenType.OpenParen)
{
return(ParseMultipart(engine, path, cancellationToken));
}
var type = ParseContentType(engine, cancellationToken);
var id = ReadNStringToken(engine, false, cancellationToken);
var desc = ReadNStringToken(engine, true, cancellationToken);
// Note: technically, body-fld-enc, is not allowed to be NIL, but we need to deal with broken servers...
var enc = ReadNStringToken(engine, false, cancellationToken);
var octets = ReadNumber(engine, cancellationToken);
BodyPartBasic body;
if (type.Matches("message", "rfc822"))
{
var mesg = new BodyPartMessage();
// Note: GMail's support for message/rfc822 body parts is broken. Essentially,
// GMail treats message/rfc822 parts as if they were basic body parts.
//
// For examples, see issue #32 and issue #59.
//
// The workaround is to check for the expected '(' signifying an envelope token.
// If we do not get an '(', then we are likely looking at the Content-MD5 token
// which gets handled below.
token = engine.PeekToken(cancellationToken);
if (!engine.IsGMail || token.Type == ImapTokenType.OpenParen)
{
mesg.Envelope = ParseEnvelope(engine, cancellationToken);
mesg.Body = ParseBody(engine, path, cancellationToken);
mesg.Lines = ReadNumber(engine, cancellationToken);
}
body = mesg;
}
else if (type.Matches("text", "*"))
{
var text = new BodyPartText();
text.Lines = ReadNumber(engine, cancellationToken);
body = text;
}
else
{
body = new BodyPartBasic();
}
body.ContentTransferEncoding = enc;
body.ContentDescription = desc;
body.PartSpecifier = path;
body.ContentType = type;
body.ContentId = id;
body.Octets = octets;
// if we are parsing a BODYSTRUCTURE, we may get some more tokens before the ')'
token = engine.PeekToken(cancellationToken);
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentMd5 = ReadNStringToken(engine, false, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentDisposition = ParseContentDisposition(engine, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentLanguage = ParseContentLanguage(engine, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentLocation = ParseContentLocation(engine, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
SkipBodyExtensions(engine, cancellationToken);
}
// read the ')'
token = engine.ReadToken(cancellationToken);
if (token.Type != ImapTokenType.CloseParen)
{
throw ImapEngine.UnexpectedToken(token, false);
}
return(body);
}
public static BodyPart ParseBody(ImapEngine engine, string path, CancellationToken cancellationToken)
{
var token = engine.ReadToken (cancellationToken);
if (token.Type == ImapTokenType.Nil)
return null;
if (token.Type != ImapTokenType.OpenParen)
throw ImapEngine.UnexpectedToken (token, false);
token = engine.PeekToken (cancellationToken);
if (token.Type == ImapTokenType.OpenParen)
return ParseMultipart (engine, path, cancellationToken);
var type = ParseContentType (engine, cancellationToken);
var id = ReadNStringToken (engine, false, cancellationToken);
var desc = ReadNStringToken (engine, true, cancellationToken);
// Note: technically, body-fld-enc, is not allowed to be NIL, but we need to deal with broken servers...
var enc = ReadNStringToken (engine, false, cancellationToken);
var octets = ReadNumber (engine, cancellationToken);
BodyPartBasic body;
if (type.Matches ("message", "rfc822")) {
var mesg = new BodyPartMessage ();
// Note: GMail's support for message/rfc822 body parts is broken. Essentially,
// GMail treats message/rfc822 parts as if they were basic body parts.
//
// For examples, see issue #32 and issue #59.
//
// The workaround is to check for the expected '(' signifying an envelope token.
// If we do not get an '(', then we are likely looking at the Content-MD5 token
// which gets handled below.
token = engine.PeekToken (cancellationToken);
if (!engine.IsGMail || token.Type == ImapTokenType.OpenParen) {
mesg.Envelope = ParseEnvelope (engine, cancellationToken);
mesg.Body = ParseBody (engine, path, cancellationToken);
mesg.Lines = ReadNumber (engine, cancellationToken);
}
body = mesg;
} else if (type.Matches ("text", "*")) {
var text = new BodyPartText ();
text.Lines = ReadNumber (engine, cancellationToken);
body = text;
} else {
body = new BodyPartBasic ();
}
body.ContentTransferEncoding = enc;
body.ContentDescription = desc;
body.PartSpecifier = path;
body.ContentType = type;
body.ContentId = id;
body.Octets = octets;
// if we are parsing a BODYSTRUCTURE, we may get some more tokens before the ')'
token = engine.PeekToken (cancellationToken);
if (token.Type != ImapTokenType.CloseParen) {
body.ContentMd5 = ReadNStringToken (engine, false, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen) {
body.ContentDisposition = ParseContentDisposition (engine, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen) {
body.ContentLanguage = ParseContentLanguage (engine, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen) {
body.ContentLocation = ParseContentLocation (engine, cancellationToken);
token = engine.PeekToken (cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
SkipBodyExtensions (engine, cancellationToken);
// read the ')'
token = engine.ReadToken (cancellationToken);
if (token.Type != ImapTokenType.CloseParen)
throw ImapEngine.UnexpectedToken (token, false);
return body;
}
/// <summary>
/// Visit the message/rfc822 or message/news MIME entity.
/// </summary>
/// <remarks>
/// Visits the message/rfc822 or message/news MIME entity.
/// </remarks>
/// <param name="entity">The message/rfc822 or message/news body part.</param>
protected internal virtual void VisitBodyPartMessage (BodyPartMessage entity)
{
VisitBodyPartBasic (entity);
VisitMessage (entity.Body);
}
public static BodyPart ParseBody(ImapEngine engine, string path, CancellationToken cancellationToken)
{
var token = engine.ReadToken(cancellationToken);
if (token.Type == ImapTokenType.Nil)
{
return(null);
}
if (token.Type != ImapTokenType.OpenParen)
{
throw ImapEngine.UnexpectedToken(token, false);
}
token = engine.PeekToken(cancellationToken);
if (token.Type == ImapTokenType.OpenParen)
{
return(ParseMultipart(engine, path, cancellationToken));
}
var type = ParseContentType(engine, cancellationToken);
var id = ReadNStringToken(engine, false, cancellationToken);
var desc = ReadNStringToken(engine, true, cancellationToken);
// Note: technically, body-fld-enc, is not allowed to be NIL, but we need to deal with broken servers...
var enc = ReadNStringToken(engine, false, cancellationToken);
var octets = ReadNumber(engine, cancellationToken);
BodyPartBasic body;
if (type.Matches("message", "rfc822"))
{
var mesg = new BodyPartMessage();
// Note: GMail (and potentially other IMAP servers) will send body-part-basic
// expressions instead of body-part-msg expressions when they encounter
// message/rfc822 MIME parts that are illegally encoded using base64 (or
// quoted-printable?). According to rfc3501, IMAP servers are REQUIRED to
// send body-part-msg expressions for message/rfc822 parts, however, it is
// understandable why GMail (and other IMAP servers?) do what they do in this
// particular case.
//
// For examples, see issue #32 and issue #59.
//
// The workaround is to check for the expected '(' signifying an envelope token.
// If we do not get an '(', then we are likely looking at the Content-MD5 token
// which gets handled below.
token = engine.PeekToken(cancellationToken);
if (token.Type == ImapTokenType.OpenParen)
{
mesg.Envelope = ParseEnvelope(engine, cancellationToken);
mesg.Body = ParseBody(engine, path, cancellationToken);
mesg.Lines = ReadNumber(engine, cancellationToken);
}
body = mesg;
}
else if (type.Matches("text", "*"))
{
var text = new BodyPartText();
text.Lines = ReadNumber(engine, cancellationToken);
body = text;
}
else
{
body = new BodyPartBasic();
}
body.ContentTransferEncoding = enc;
body.ContentDescription = desc;
body.PartSpecifier = path;
body.ContentType = type;
body.ContentId = id;
body.Octets = octets;
// if we are parsing a BODYSTRUCTURE, we may get some more tokens before the ')'
token = engine.PeekToken(cancellationToken);
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentMd5 = ReadNStringToken(engine, false, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentDisposition = ParseContentDisposition(engine, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentLanguage = ParseContentLanguage(engine, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
body.ContentLocation = ParseContentLocation(engine, cancellationToken);
token = engine.PeekToken(cancellationToken);
}
if (token.Type != ImapTokenType.CloseParen)
{
SkipBodyExtensions(engine, cancellationToken);
}
// read the ')'
token = engine.ReadToken(cancellationToken);
if (token.Type != ImapTokenType.CloseParen)
{
throw ImapEngine.UnexpectedToken(token, false);
}
return(body);
}