// 重組郵件內容及其附件(原始郵件)
private bool BuildUpEmailBodyAndAttachmentsFromRawHeader(EEmailRecord erecord, ref string strBody, ref List<SelectListItem> attachments, ref string attachlist, ref string errMsg)
{
bool bRet = true;
try
{
EEmailRawHeader erawheader = erecord.EmailRawHeader;
if (erawheader == null)
{
// 不正常
errMsg = String.Format("RawHeader Not Found [ERID={0}]", erecord.Id);
return false;
}
if (erawheader.EmailRawBody.Count() < 1)
{
// 不正常
errMsg = String.Format("RawBody Not Found [RawID={0}]", erawheader.Id);
return false;
}
string curpath = Server.MapPath("~");
if (curpath[curpath.Length - 1] == '\\')
curpath = curpath.Substring(0, curpath.Length - 1);
string mailbox = String.Format("{0}\\inbox\\{1}", curpath, erecord.RID);
List<SelectListItem> cids = new List<SelectListItem>();
attachments.Clear();
attachlist = "";
string strCnt = "", strCntTmp = "";
foreach (var body in erawheader.EmailRawBody.OrderBy(rb => rb.PlaceHolder))
{
// 郵件內容區塊
if (body.FileName.Length < 1)
{
// 內容區塊為純文字編碼
if (body.CntMedia.IndexOf("plain") >= 0)
{
// 取不到HTML編碼方式的內容區塊時, 則取出純文字內容
if (strCntTmp.Length > 0)
strCnt += strCntTmp;
// 取出內容 (字串形式)
strCntTmp = System.Text.Encoding.GetEncoding(body.CodePage).GetString(body.BinaryCnt);
strCntTmp = strCntTmp.Replace("\r\n", "<br />").Replace("\n", "<br />");
continue;
}
// 取出內容 (HTML形式)
strCnt += System.Text.Encoding.GetEncoding(body.CodePage).GetString(body.BinaryCnt);
strCntTmp = "";
}
// 郵件檔案區塊
else
{
// 郵件附檔
if (!body.FileName.Contains('|'))
{
attachlist += "|" + body.Id.ToString() + ":" + body.FileName;
attachments.Add(new SelectListItem() { Text = body.FileName, Value = body.Id.ToString() });
}
// 郵件中內嵌資訊(圖片或檔案)
else
{
string[] cid_filename = body.FileName.Split('|');
// 內嵌資訊不是圖片
if (!body.CntMedia.Contains("image"))
{
attachlist += "|" + body.Id.ToString() + ":" + cid_filename[1];
attachments.Add(new SelectListItem() { Text = cid_filename[1], Value = body.Id.ToString() });
continue;
}
// 先預備存放郵件圖片的資料夾
if (!Directory.Exists(mailbox))
{
Directory.CreateDirectory(mailbox);
}
// 原始內嵌圖片沒有檔案名稱, 系統取亂數作為檔案名稱
if (cid_filename[1].Contains("(no name)"))
{
Random RGen = new Random();
string fname = RGen.Next(100000, 9999999).ToString();
cid_filename[1] = fname + "." + body.CntMedia.Substring(body.CntMedia.IndexOf("/") + 1);
}
if (!cid_filename[1].Contains("."))
{
cid_filename[1] += "." + body.CntMedia.Substring(body.CntMedia.IndexOf("/") + 1);
}
// 圖檔名稱包含路徑
if (cid_filename[1].IndexOf('\\') != -1)
{
cid_filename[1] = cid_filename[1].Substring(cid_filename[1].LastIndexOf('\\') + 1);
}
// 圖檔名稱包含非法字元
foreach (char c in System.IO.Path.GetInvalidFileNameChars())
{
cid_filename[1] = cid_filename[1].Replace(c, '_');
}
// 暫存圖片檔案名稱格式: RawHeaderID_CID_FileName
string attname = String.Format("{0}_{1}_{2}", body.RawHeaderId, cid_filename[0].Replace(':', '-'), cid_filename[1]);
if (!System.IO.File.Exists(String.Format("{0}\\{1}", mailbox, attname)))
{
BinaryWriter writer = new BinaryWriter(new FileStream(String.Format("{0}\\{1}", mailbox, attname), FileMode.CreateNew, FileAccess.Write, FileShare.None));
writer.Write(body.BinaryCnt);
writer.Close();
}
cids.Add(new SelectListItem() { Text = cid_filename[0], Value = Url.Content(String.Format("~/inbox/{0}/{1}", erecord.RID, attname.Replace("\\", "/"))) });
}
}
}
if (strCntTmp.Length > 0)
strCnt += strCntTmp;
strBody = strCnt;
// 將郵件內容中的圖片, 取代成系統暫存位置
foreach (SelectListItem cidatt in cids)
{
strBody = strBody.Replace("cid:" + cidatt.Text, cidatt.Value);
}
}
catch (Exception ex)
{
errMsg = ex.Message;
attachments.Clear();
bRet = false;
}
return bRet;
}
// 重組郵件內容及其附件(草稿)
private bool BuildUpEmailBodyAndAttachmentsFromDraft(EEmailRecord erecord, ref string strBody, ref List<SelectListItem> attachments, ref string attachlist, ref string errMsg)
{
bool bRet = true;
try
{
EEmailSavedBody esavedbody = erecord.EmailSavedBody;
if (esavedbody == null)
{
// 不正常
errMsg = String.Format("SavedBody Not Found [ERID={0}]", erecord.Id);
return false;
}
List<SelectListItem> cids = new List<SelectListItem>();
attachments.Clear();
attachlist = "";
if (esavedbody.BodyCnt != null)
strBody = System.Text.Encoding.GetEncoding(esavedbody.CodePage.Value).GetString(esavedbody.BodyCnt);
var esavedattach = db.EmailSavedAttachment.Where(a => a.EmailRecordId == erecord.Id);
foreach (var attach in esavedattach)
{
attachlist += "|" + attach.Id.ToString() + ":" + attach.FileName;
attachments.Add(new SelectListItem() { Text = attach.FileName, Value = attach.Id.ToString() });
}
}
catch (Exception ex)
{
errMsg = ex.Message;
attachments.Clear();
bRet = false;
}
return bRet;
}