/// <include file='../../docs.xml'
/// path='docs/doc[@name="M:PeterO.Mail.DispositionBuilder.#ctor(PeterO.Mail.ContentDisposition)"]/*'/>
public DispositionBuilder(ContentDisposition mt) {
if (mt == null) {
throw new ArgumentNullException("mt");
}
this.parameters = new Dictionary<string, string>(mt.Parameters);
this.type = mt.DispositionType;
}
/// <include file='../../docs.xml'
/// path='docs/doc[@name="M:PeterO.Mail.Message.SetHeader(System.Int32,System.String,System.String)"]/*'/>
public Message SetHeader(int index, string name, string value) {
if (index < 0) {
throw new ArgumentException("index (" + index + ") is less than " +
"0");
}
if (index >= (this.headers.Count / 2)) {
throw new ArgumentException("index (" + index +
") is not less than " + (this.headers.Count
/ 2));
}
name = ValidateHeaderField(name, value);
this.headers[index * 2] = name;
this.headers[(index * 2) + 1] = value;
if (name.Equals("content-type")) {
this.contentType = MediaType.Parse(value);
} else if (name.Equals("content-disposition")) {
this.contentDisposition = ContentDisposition.Parse(value);
}
return this;
}
/// <include file='../../docs.xml'
/// path='docs/doc[@name="M:PeterO.Mail.Message.RemoveHeader(System.String)"]/*'/>
public Message RemoveHeader(string name) {
if (name == null) {
throw new ArgumentNullException("name");
}
name = DataUtilities.ToLowerCaseAscii(name);
// Remove the header field
for (int i = 0; i < this.headers.Count; i += 2) {
if (this.headers[i].Equals(name)) {
this.headers.RemoveAt(i);
this.headers.RemoveAt(i);
i -= 2;
}
}
if (name.Equals("content-type")) {
this.contentType = MediaType.TextPlainAscii;
} else if (name.Equals("content-disposition")) {
this.contentDisposition = null;
}
return this;
}
/// <include file='../../docs.xml'
/// path='docs/doc[@name="M:PeterO.Mail.Message.RemoveHeader(System.Int32)"]/*'/>
public Message RemoveHeader(int index) {
if (index < 0) {
throw new ArgumentException("index (" + index + ") is less than " +
"0");
}
if (index >= (this.headers.Count / 2)) {
throw new ArgumentException("index (" + index +
") is not less than " + (this.headers.Count
/ 2));
}
string name = this.headers[index * 2];
this.headers.RemoveAt(index * 2);
this.headers.RemoveAt(index * 2);
if (name.Equals("content-type")) {
this.contentType = MediaType.TextPlainAscii;
} else if (name.Equals("content-disposition")) {
this.contentDisposition = null;
}
return this;
}
private void ProcessHeaders(bool assumeMime, bool digest) {
var haveContentType = false;
bool mime = assumeMime;
var haveContentDisp = false;
string transferEncodingValue = String.Empty;
for (int i = 0; i < this.headers.Count; i += 2) {
string name = this.headers[i];
string value = this.headers[i + 1];
if (name.Equals("content-transfer-encoding")) {
int startIndex = HeaderParser.ParseCFWS(value, 0, value.Length, null);
// NOTE: Actually "token", but all known transfer encoding values
// fit the same syntax as the stricter one for top-level types and
// subtypes
int endIndex = MediaType.SkipMimeTypeSubtype(
value,
startIndex,
value.Length,
null);
transferEncodingValue = (
HeaderParser.ParseCFWS(
value,
endIndex,
value.Length,
null) == value.Length) ? value.Substring(
startIndex,
endIndex - startIndex) : String.Empty;
}
mime |= name.Equals("mime-version");
if (value.IndexOf("=?", StringComparison.Ordinal) >= 0) {
IHeaderFieldParser parser = HeaderFieldParsers.GetParser(name);
// Decode encoded words in the header field where possible
value = parser.DecodeEncodedWords(value);
this.headers[i + 1] = value;
}
}
this.contentType = digest ? MediaType.MessageRfc822 :
MediaType.TextPlainAscii;
var haveInvalid = false;
var haveContentEncoding = false;
for (int i = 0; i < this.headers.Count; i += 2) {
string name = this.headers[i];
string value = this.headers[i + 1];
if (mime && name.Equals("content-transfer-encoding")) {
value = DataUtilities.ToLowerCaseAscii(transferEncodingValue);
this.headers[i + 1] = value;
if (value.Equals("7bit")) {
this.transferEncoding = EncodingSevenBit;
} else if (value.Equals("8bit")) {
this.transferEncoding = EncodingEightBit;
} else if (value.Equals("binary")) {
this.transferEncoding = EncodingBinary;
} else if (value.Equals("quoted-printable")) {
this.transferEncoding = EncodingQuotedPrintable;
} else if (value.Equals("base64")) {
this.transferEncoding = EncodingBase64;
} else {
// Unrecognized transfer encoding
this.transferEncoding = EncodingUnknown;
}
haveContentEncoding = true;
} else if (mime && name.Equals("content-type")) {
if (haveContentType) {
// DEVIATION: If there is already a content type,
// treat content type as application/octet-stream
if (haveInvalid || MediaType.Parse(value, null) == null) {
this.contentType = MediaType.TextPlainAscii;
haveInvalid = true;
} else {
this.contentType = MediaType.ApplicationOctetStream;
}
} else {
this.contentType = MediaType.Parse(
value,
null);
if (this.contentType == null) {
this.contentType = digest ? MediaType.MessageRfc822 :
MediaType.TextPlainAscii;
haveInvalid = true;
}
haveContentType = true;
}
} else if (mime && name.Equals("content-disposition")) {
if (haveContentDisp) {
string valueExMessage = "Already have this header: " + name;
#if DEBUG
valueExMessage += "[old=" + this.contentType + ", new=" + value +
"]";
valueExMessage = valueExMessage.Replace("\r\n", " ");
#endif
throw new MessageDataException(valueExMessage);
}
this.contentDisposition = ContentDisposition.Parse(value);
haveContentDisp = true;
}
}
if (this.transferEncoding == EncodingUnknown) {
this.contentType = MediaType.Parse("application/octet-stream");
}
if (!haveContentEncoding && this.contentType.TypeAndSubType.Equals(
"message/rfc822")) {
// DEVIATION: Be a little more liberal with rfc822
// messages with 8-bit bytes
this.transferEncoding = EncodingEightBit;
}
if (this.transferEncoding == EncodingSevenBit) {
string charset = this.contentType.GetCharset();
if (charset.Equals("utf-8")) {
// DEVIATION: Be a little more liberal with UTF-8
this.transferEncoding = EncodingEightBit;
} else if (this.contentType.TypeAndSubType.Equals("text/html")) {
if (charset.Equals("us-ascii") || charset.Equals("ascii") ||
charset.Equals("windows-1252") || charset.Equals(
"windows-1251") ||
(charset.Length > 9 && charset.Substring(0, 9).Equals(
"iso-8859-"))) {
// DEVIATION: Be a little more liberal with text/html and
// single-byte charsets or UTF-8
this.transferEncoding = EncodingEightBit;
}
}
}
if (this.transferEncoding == EncodingQuotedPrintable ||
this.transferEncoding == EncodingBase64 ||
this.transferEncoding == EncodingUnknown) {
if (this.contentType.IsMultipart ||
(this.contentType.TopLevelType.Equals("message") &&
!this.contentType.SubType.Equals("global") &&
!this.contentType.SubType.Equals("global-headers") &&
!this.contentType.SubType.Equals(
"global-disposition-notification") &&
!this.contentType.SubType.Equals("global-delivery-status"))) {
if (this.transferEncoding == EncodingQuotedPrintable) {
// DEVIATION: Treat quoted-printable for multipart and message
// as 7bit instead
this.transferEncoding = EncodingSevenBit;
} else {
string exceptText =
"Invalid content encoding for multipart or message";
#if DEBUG
exceptText += " [type=" + this.contentType + "]";
#endif
throw new MessageDataException(exceptText);
}
}
}
}
/// <include file='../../docs.xml'
/// path='docs/doc[@name="M:PeterO.Mail.ContentDisposition.Parse(System.String,PeterO.Mail.ContentDisposition)"]/*'/>
public static ContentDisposition Parse(
string dispositionValue,
ContentDisposition defaultValue) {
if (dispositionValue == null) {
throw new ArgumentNullException("dispositionValue");
}
ContentDisposition dispo = ParseDisposition(dispositionValue);
return dispo ?? defaultValue;
}
/// <include file='../../docs.xml'
/// path='docs/doc[@name="M:PeterO.Mail.ContentDisposition.Parse(System.String,PeterO.Mail.ContentDisposition)"]/*'/>
public static ContentDisposition Parse(
string dispositionValue,
ContentDisposition defaultValue) {
if (dispositionValue == null) {
throw new ArgumentNullException("dispositionValue");
}
var dispo = new ContentDisposition();
dispo.parameters = new Dictionary<string, string>();
return (!dispo.ParseDisposition(dispositionValue)) ? defaultValue : dispo;
}
private static ContentDisposition Build(string name) {
var dispo = new ContentDisposition();
dispo.parameters = new Dictionary<string, string>();
dispo.dispositionType = name;
return dispo;
}
