newmessage.cs

Source for web based email in Csharp

					mailMessage.To.Add (new OpenSmtp.Mail.EmailAddress(token.Trim()));
			}
			mailMessage.Subject = this.subject.Value.Trim();
			System.String format = Request.Form["format"];
			if ( format!=null && format.Equals("html") ) {
				mailMessage.HtmlBody = bodyStart + FCKEditor.Value + bodyEnd;
			} else {
				mailMessage.Body = FCKEditor.Value;
			}

			if ( this._headers != null ) {
				// RFC 2822 3.6.4. Identification fields
				OpenSmtp.Mail.MailHeader references = new OpenSmtp.Mail.MailHeader("References", System.String.Empty);
				if ( this._headers["Message-ID"]!=null ) {
					mailMessage.AddCustomHeader("In-Reply-To", this._headers["Message-ID"]);
					references.Body = this._headers["Message-ID"];
				}
				if ( this._headers["References"]!=null ) {
					references.Body = System.String.Concat(this._headers["References"], " ", references.Body).Trim();
				} else if ( this._headers["In-Reply-To"]!=null && this._headers["In-Reply-To"].IndexOf('>')==this._headers["In-Reply-To"].LastIndexOf('>') ) {
					references.Body = System.String.Concat(this._headers["In-Reply-To"], " ", references.Body).Trim();
				}
				if ( !references.Body.Equals(System.String.Empty) )
					mailMessage.AddCustomHeader(references);
			}
			mailMessage.AddCustomHeader("X-Mailer", System.String.Concat (Application["product"], " ", Application["version"]));
			this.ProcessMessageAttachments(mailMessage);
			try {
				if ( log.IsDebugEnabled) log.Error ( "Sending message" );
				OpenSmtp.Mail.Smtp SmtpMail = null;
				if ( server.Protocol.Equals(anmar.SharpWebMail.ServerProtocol.SmtpAuth) ) {
					anmar.SharpWebMail.IEmailClient client = (anmar.SharpWebMail.IEmailClient)Session["client"];
					SmtpMail = new OpenSmtp.Mail.Smtp(server.Host, client.UserName, client.Password, server.Port);
				} else
					SmtpMail = new OpenSmtp.Mail.Smtp(server.Host, server.Port);
				SmtpMail.SendMail(mailMessage);
				SmtpMail=null;
				if ( log.IsDebugEnabled) log.Error ( "Message sent" );
			} catch (System.Exception e) {
				message = e.Message;
				if ( log.IsErrorEnabled ) log.Error ( "Error sending message", e );
			}
			mailMessage = null;
			return message;
		}

		private void showAttachmentsPanel () {
			if ( Session["sharpwebmail/send/message/temppath"]!=null || Session["sharpwebmail/read/message/temppath"]!=null ) {
				this.newMessagePH.Visible = false;
				this.sharpwebmailform.Enctype = "multipart/form-data";
				this.attachmentsPH.Visible = true;
				if ( Session["sharpwebmail/send/message/temppath"]==null ) {
					this.newattachmentPH.Visible = false;
				}
			} else {
				showMessagePanel();
			}
			return;
		}
		/// <summary>
		/// 
		/// </summary>
		private void showConfirmationPanel () {
			this.newMessagePH.Visible = false;
			this.confirmationPH.Visible = true;
			return;
		}

		/// <summary>
		/// 
		/// </summary>
		private void showMessagePanel () {
			System.Web.UI.WebControls.RegularExpressionValidator rev = (System.Web.UI.WebControls.RegularExpressionValidator) this.SharpUI.FindControl("toemailValidator");
			rev.ValidationExpression = @"^" + anmar.SharpMimeTools.ABNF.addr_spec + @"(,\s*" + anmar.SharpMimeTools.ABNF.addr_spec + @")*$";
			this.newMessageFromPH=(System.Web.UI.WebControls.PlaceHolder )this.SharpUI.FindControl("newMessageFromPH");

			if ( !this.IsPostBack ) {
				if ( Application["sharpwebmail/send/addressbook"]!=null ) {
					System.Collections.SortedList addressbooks = (System.Collections.SortedList)Application["sharpwebmail/send/addressbook"];
					if ( addressbooks.Count>0 ) {
						System.Web.UI.WebControls.HyperLink addressbook = (System.Web.UI.WebControls.HyperLink)this.SharpUI.FindControl("newMessageWindowToEmailLabel");
						addressbook.NavigateUrl = "javascript:window.open('addressbook.aspx', 'addressbook', 'width=400, height=400, resizable=yes, scrollbars=yes');void(true);";
						addressbook = (System.Web.UI.WebControls.HyperLink)this.SharpUI.FindControl("msgtoolbarAddressBook");
						addressbook.NavigateUrl = "javascript:window.open('addressbook.aspx', 'addressbook', 'width=400, height=400, resizable=yes, scrollbars=yes');void(true);";
						addressbook.Visible = true;
					}
				}
				switch ( (int)Application["sharpwebmail/login/mode"] ) {
					case 2:
						this.newMessageFromPH.Visible = true;
						rev = (System.Web.UI.WebControls.RegularExpressionValidator) this.SharpUI.FindControl("fromemailValidator");
						rev.ValidationExpression = "^" + anmar.SharpMimeTools.ABNF.addr_spec + "$";
						if ( this.fromemail.Value.Length==0 && Session["DisplayEmail"]!=null ) {
							this.fromemail.Value = Session["DisplayEmail"].ToString();
						}
						break;
					case 1:
					case 3:
					default:
						System.Web.UI.WebControls.Label newMessageWindowFromEmail = (System.Web.UI.WebControls.Label )this.SharpUI.FindControl("newMessageWindowFromEmail");
						newMessageWindowFromEmail.Text = User.Identity.Name;
						break;
				}
			}
			this.newMessagePH.Visible = true;
			return;
		}
		#endregion Private Methods
		
		#region Events
		/*
		 * Events
		*/
		/// <summary>
		/// 
		/// </summary>
		protected void refreshPageButton_Click ( System.Object sender, System.Web.UI.ImageClickEventArgs args ) {
			Response.Redirect("newmessage.aspx");
		}

		protected void AttachmentAdd_Click ( System.Object sender, System.EventArgs args ) {
			this.UI_case = 2;
			if ( this.newMessageWindowAttachFile.PostedFile!=null && Session["sharpwebmail/send/message/temppath"]!=null ) {
				System.String path = Session["sharpwebmail/send/message/temppath"].ToString();
				System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo ( path );
				try {
					dir.Create();
					System.String filename = System.IO.Path.GetFileName(this.newMessageWindowAttachFile.PostedFile.FileName);
					if ( dir.GetFiles (filename).Length==0 ) {
						this.newMessageWindowAttachFile.PostedFile.SaveAs (System.IO.Path.Combine (path, filename));
						this.bindAttachments();
						foreach ( System.Web.UI.WebControls.ListItem item in this.newMessageWindowAttachmentsList.Items ) {
							if ( item.Value.Equals(System.IO.Path.Combine(dir.Name, filename)) )
								item.Selected = true;
						}
						if ( Application["sharpwebmail/send/message/attach_ui"].Equals("simple") )
							this.Attach_Click(sender, args);
					}
				} catch ( System.Exception e ) {
					if ( log.IsErrorEnabled )
						log.Error ("", e);
				}
			}
		}

		protected void Attachments_Click ( System.Object sender, System.EventArgs args ) {
			this.UI_case = 2;
			if ( this.newMessageWindowAttachmentsList.Items.Count == 0 ) {
				this.bindAttachments();
			}
		}

		protected void Attach_Click ( System.Object sender, System.EventArgs args ) {
			this.UI_case = 0;
			System.Collections.ArrayList attachments = new System.Collections.ArrayList();
			foreach ( System.Web.UI.WebControls.ListItem item in this.newMessageWindowAttachmentsList.Items ) {
				if ( item.Selected ) {
					attachments.Add ( item );
				}
			}
			this.newMessageWindowAttachmentsAddedList.DataSource = attachments;
			this.newMessageWindowAttachmentsAddedList.DataBind();
		}
		protected void msgtoolbarCommand ( System.Object sender, System.Web.UI.WebControls.CommandEventArgs args ) {
			switch ( args.CommandName ) {
				case "cancel":
					Server.Transfer(System.String.Concat("newmessage.aspx?", Request.QueryString), false);
					break;
			}
		}
		/// <summary>
		/// 
		/// </summary>
		protected void Send_Click ( System.Object sender, System.EventArgs args ) {
			System.String message = null;
			if ( this.IsValid ) {
				this.UI_case = 1;
				if ( (int)Application["sharpwebmail/send/message/sanitizer_mode"]==1 ) {
					FCKEditor.Value = anmar.SharpWebMail.BasicSanitizer.SanitizeHTML(FCKEditor.Value, anmar.SharpWebMail.SanitizerMode.CommentBlocks|anmar.SharpWebMail.SanitizerMode.RemoveEvents);
				}
				anmar.SharpWebMail.ServerSelector selector = (anmar.SharpWebMail.ServerSelector)Application["sharpwebmail/send/servers"];
				anmar.SharpWebMail.EmailServerInfo server = selector.Select(User.Identity.Name, true);
				if ( server!=null && ( server.Protocol.Equals(anmar.SharpWebMail.ServerProtocol.Smtp) 
				                      || server.Protocol.Equals(anmar.SharpWebMail.ServerProtocol.SmtpAuth) ) ) {
					if ( Application["sharpwebmail/send/message/smtp_engine"].Equals("opensmtp") )
						message = this.SendMailOpenSmtp(server);
					else if ( Application["sharpwebmail/send/message/smtp_engine"].Equals("dotnetopenmail") )
						message = this.SendMailDotNetOpenMail(server);
					else
						message = this.SendMail( server );
	
					if ( message==null )
						message = this.SharpUI.LocalizedRS.GetString("newMessageSent");
				}
			} else {
				message = this.SharpUI.LocalizedRS.GetString("newMessageValidationError");
			}
			newMessageWindowConfirmation.Text = message;
		}
		#endregion Events

		#region Page Events
		/*
		 * Page Events
		*/
		/// <summary>
		/// 
		/// </summary>
		protected void Page_Load( System.Object sender, System.EventArgs args ) {
			// Prevent caching, so can't be viewed offline
			Response.Cache.SetCacheability(System.Web.HttpCacheability.NoCache);

			this.mainInterface ( this.SharpUI.Inbox );
		}

		/// <summary>
		/// 
		/// </summary>
		protected void Page_PreRender( System.Object sender, System.EventArgs args ) {
			switch ( UI_case ) {
				case 1:
					this.showConfirmationPanel();
					break;
				case 2:
					this.showAttachmentsPanel();
					break;
				default:
				case 0:
					this.showMessagePanel();
					break;
			}
		}
		#endregion Page Events
	}
	public enum MessageMode {
		None,
		reply,
		forward
	}
}