/// <summary>
/// z 'ala="123"'
/// </summary>
/// <param name="key">ala=</param>
/// <returns>123</returns>
protected string GetValueEqualFromHeader2(string key)
{
bool noQuotes = false;
int end = -1;
int start = header.IndexOf(key);
if (start == -1)
{
return("");
}
start = header.IndexOf('"', start);
if (start == -1)
{
noQuotes = true;
start = header.IndexOf('=', header.IndexOf(key));
}
if (noQuotes)
{
end = header.IndexOf("\r\n", start + 1);
}
else
{
end = header.IndexOf('"', start + 1);
}
if (start == -1 || end == -1)
{
return("");
}
return(QuotedCoding.Decode(header.Substring(start + 1, end - start - 1)));
}
public Attachment(string buffer) : base(buffer)
{
this.contentDisposition = this.GetValueFromHeader("Content-Disposition: ");
this.fileName = GetValueEqualFromHeader("name=");
this.contentID = GetValueFromHeader("Content-ID: ");
if (contentDisposition.IndexOf("attachment") != -1)
{
this.fileName = GetValueEqualFromHeader("filename=");
this.isRealAttachment = true;
}
if (contentType.IndexOf("multipart") != -1)
{
string boundary = "--" + GetValueEqualFromHeader("boundary=");
hasAttachments = true;
ParseMixedMessage(buffer, boundary);
}
else
{
hasAttachments = false;
//data
int start = buffer.IndexOf("\r\n\r\n");
if (start == -1)
{
throw new Exception("could not find beginning of MIME body");
}
start += 4;
if (this.contentTransferEncoding.ToLower().IndexOf("base64") != -1)
{
this.data = Convert.FromBase64String(buffer.Substring(start));
}
else
if (this.contentTransferEncoding.IndexOf("quoted-printable") != -1)
{
this.data = QuotedCoding.GetByteArray(buffer.Substring(start));
}
else
{
//change charset if contentTransferEncoding is 8bit
if (this.contentTransferEncoding.IndexOf("8bit") != -1)
{
this.data = StringOperations.GetByteArray(StringOperations.Change(buffer.Substring(start), charset));
}
else
{
this.data = StringOperations.GetByteArray(buffer.Substring(start));
}
}
}
}
/// <summary>
/// z 'ala="123"'
/// </summary>
/// <param name="key">ala=</param>
/// <returns>123</returns>
protected string GetValueEqualFromHeader(string key)
{
int start = header.IndexOf(key);
if (start == -1)
{
return("");
}
start = header.IndexOf('"', start);
int end = header.IndexOf('"', start + 1);
if (start == -1 || end == -1)
{
return("");
}
return(QuotedCoding.Decode(header.Substring(start + 1, end - start - 1)));
}
protected string GetValueFromHeader(string key)
{
int start = header.ToLower().IndexOf(key.ToLower());
if (start < 0)
{
return("");
}
start = header.IndexOf(' ', start);
if (start < 0)
{
return("");
}
int end = header.IndexOf("\r\n", start);
if (end <= 0)
{
return("");
}
return(QuotedCoding.Decode(header.Substring(start + 1, end - start - 1).Trim()));
}