internal void PersistIfNeeded(HeaderCollection headers, bool forcePersist)
{
if (IsChanged || !isPersisted || forcePersist)
{
headers.InternalSet(MailHeaderInfo.GetString(MailHeaderID.ContentDisposition), ToString());
isPersisted = true;
}
}
internal void EncodeHeaders(HeaderCollection headers)
{
if (this.headersEncoding == null)
{
this.headersEncoding = Encoding.GetEncoding("utf-8");
}
for (int i = 0; i < headers.Count; i++)
{
string key = headers.GetKey(i);
if (MailHeaderInfo.IsUserSettable(key))
{
string[] values = headers.GetValues(key);
string str2 = string.Empty;
for (int j = 0; j < values.Length; j++)
{
if (MimeBasePart.IsAscii(values[j], false))
{
str2 = values[j];
}
else
{
str2 = MimeBasePart.EncodeHeaderValue(values[j], this.headersEncoding, MimeBasePart.ShouldUseBase64Encoding(this.headersEncoding), key.Length);
}
if (j == 0)
{
headers.Set(key, str2);
}
else
{
headers.Add(key, str2);
}
}
}
}
}
private static List<HeaderCollection> PerRecipientList(IEnumerable<Header> fields)
{
List<HeaderCollection> perRecipientList = new List<HeaderCollection>();
HeaderCollection headers = new HeaderCollection();
foreach (var dsnField in fields)
{
if(dsnField.IsNamed(SeperatorHeader) && ! headers.IsNullOrEmpty())
{
perRecipientList.Add(headers);
headers = new HeaderCollection();
continue;
}
headers.Add(dsnField);
}
if (! headers.IsNullOrEmpty())
{
perRecipientList.Add(headers);
}
return perRecipientList;
}
internal void Set(string contentDisposition, HeaderCollection headers)
{
// we don't set ischanged because persistence was already handled
// via the headers.
disposition = contentDisposition;
ParseValue();
headers.InternalSet(MailHeaderInfo.GetString(MailHeaderID.ContentDisposition), ToString());
isPersisted = true;
}
/// <summary>
/// Extract DSN fields
/// Fields are formatted just like MIME headers, but embedded within the Body of MimeEntity instead
/// </summary>
/// <param name="fieldEntity">Source entity</param>
/// <returns>Collection of fields</returns>
public static HeaderCollection ParseDSNFields(MimeEntity fieldEntity)
{
if (fieldEntity == null)
{
throw new ArgumentNullException("fieldEntity");
}
Body DSNBody = fieldEntity.Body;
if (DSNBody == null)
{
throw new DSNException(DSNError.InvalidDSNBody);
}
HeaderCollection DSNFields = null;
try
{
DSNFields = new HeaderCollection(MimeSerializer.Default.DeserializeHeaders(DSNBody.TrimEmptyLines()));
}
catch (Exception ex)
{
throw new DSNException(DSNError.InvalidDSNFields, ex);
}
if (DSNFields.IsNullOrEmpty())
{
throw new DSNException(DSNError.InvalidDSNFields);
}
return DSNFields;
}
/// <summary>
/// Extract per-recipient dsn headers as a collection
/// Fields are formatted just like MIME headers, but embedded within the Body of MimeEntity instead
/// </summary>
/// <param name="fieldEntity">Source entity</param>
/// <returns>Collection of <see cref="HeaderCollection"/></returns>
public static List<HeaderCollection> ParsePerRecientFields(MimeEntity fieldEntity)
{
if (fieldEntity == null)
{
throw new ArgumentNullException("fieldEntity");
}
Body dsnBody = fieldEntity.Body;
if (dsnBody == null)
{
throw new DSNException(DSNError.InvalidDSNBody);
}
HeaderCollection dsnFields = new HeaderCollection();
try
{
dsnFields.Add(new HeaderCollection(MimeSerializer.Default.DeserializeHeaders(dsnBody.PerRecipientSeperator()))
, PerRecipientFieldList());
}
catch (Exception ex)
{
throw new DSNException(DSNError.InvalidDSNFields, ex);
}
if (dsnFields.IsNullOrEmpty())
{
throw new DSNException(DSNError.InvalidDSNFields);
}
return PerRecipientList(dsnFields);
}
internal void Set(string contentType, HeaderCollection headers)
{
this.type = contentType;
this.ParseValue();
headers.InternalSet(MailHeaderInfo.GetString(MailHeaderID.ContentType), this.ToString());
this.isPersisted = true;
}
internal void EncodeHeaders(HeaderCollection headers, bool allowUnicode)
{
if (_headersEncoding == null)
{
_headersEncoding = Encoding.GetEncoding(MimeBasePart.DefaultCharSet);
}
System.Diagnostics.Debug.Assert(_headersEncoding != null);
for (int i = 0; i < headers.Count; i++)
{
string headerName = headers.GetKey(i);
//certain well-known values are encoded by PrepareHeaders and PrepareEnvelopeHeaders
//so we can ignore them because either we encoded them already or there is no
//way for the user to have set them. If a header is well known and user settable then
//we should encode it here, otherwise we have already encoded it if necessary
if (!MailHeaderInfo.IsUserSettable(headerName))
{
continue;
}
string[] values = headers.GetValues(headerName);
string encodedValue = string.Empty;
for (int j = 0; j < values.Length; j++)
{
//encode if we need to
if (MimeBasePart.IsAscii(values[j], false)
|| (allowUnicode && MailHeaderInfo.AllowsUnicode(headerName) // EAI
&& !MailBnfHelper.HasCROrLF(values[j])))
{
encodedValue = values[j];
}
else
{
encodedValue = MimeBasePart.EncodeHeaderValue(values[j],
_headersEncoding,
MimeBasePart.ShouldUseBase64Encoding(_headersEncoding),
headerName.Length);
}
//potentially there are multiple values per key
if (j == 0)
{
//if it's the first or only value, set will overwrite all the values assigned to that key
//which is fine since we have them stored in values[]
headers.Set(headerName, encodedValue);
}
else
{
//this is a subsequent key, so we must Add it since the first key will have overwritten the
//other values
headers.Add(headerName, encodedValue);
}
}
}
}
internal void PersistIfNeeded(HeaderCollection headers, bool forcePersist)
{
if ((this.IsChanged || !this.isPersisted) || forcePersist)
{
headers.InternalSet(MailHeaderInfo.GetString(MailHeaderID.ContentType), this.ToString());
this.isPersisted = true;
}
}
/// <summary>
/// Extract MDN fields (RFC 3798 Section 3.1.*).
/// Fields are formatted just like MIME headers, but embedded within the Body of MimeEntity instead
/// </summary>
/// <param name="fieldEntity">Source entity</param>
/// <returns>Collection of fields</returns>
public static HeaderCollection ParseMDNFields(MimeEntity fieldEntity)
{
if (fieldEntity == null)
{
throw new ArgumentNullException("fieldEntity");
}
Body mdnBody = fieldEntity.Body;
if (mdnBody == null)
{
throw new MDNException(MDNError.InvalidMDNBody);
}
HeaderCollection mdnFields = null;
try
{
mdnFields = new HeaderCollection(MimeSerializer.Default.DeserializeHeaders(mdnBody.Text));
}
catch(Exception ex)
{
throw new MDNException(MDNError.InvalidMDNFields, ex);
}
if (mdnFields.IsNullOrEmpty())
{
throw new MDNException(MDNError.InvalidMDNFields);
}
return mdnFields;
}
public static void Associate(string web, Message message, HeaderCollection headers)
{
throw new NotImplementedException();
}
public static void PrintInfo(string web, HeaderCollection headerCollection, string remove, string name)
{
}
internal void Set(string contentDisposition, HeaderCollection headers)
{
this.disposition = contentDisposition;
this.ParseValue();
headers.InternalSet(MailHeaderInfo.GetString(MailHeaderID.ContentDisposition), this.ToString());
this.isPersisted = true;
}