using MailKit.Net.Smtp;
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using MimeKit;
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using MimeKit.Text;
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using Rhea.Common;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Tiger.Model;
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namespace Tiger.Business
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{
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/// <summary>
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/// 邮件信息
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/// </summary>
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public static class MailMessage
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{
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/// <summary>
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/// 组装邮件文本/附件邮件信息
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/// </summary>
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/// <param name="mailBodyEntity">邮件消息实体</param>
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/// <returns></returns>
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public static MimeMessage AssemblyMailMessage(MailBodyEntity mailBodyEntity)
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{
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if (mailBodyEntity == null)
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{
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throw new ArgumentNullException(nameof(mailBodyEntity));
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}
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var message = new MimeMessage();
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//设置邮件基本信息
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SetMailBaseMessage(message, mailBodyEntity);
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var multipart = new Multipart("mixed");
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//插入文本消息
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if (string.IsNullOrEmpty(mailBodyEntity.MailTextBody) == false)
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{
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var alternative = new MultipartAlternative
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{
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AssemblyMailTextMessage(mailBodyEntity.MailTextBody, mailBodyEntity.MailBodyType)
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};
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multipart.Add(alternative);
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}
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//插入附件
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if (mailBodyEntity.MailFilePath != null && File.Exists(mailBodyEntity.MailFilePath) == false)
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{
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var mimePart = AssemblyMailAttachmentMessage(mailBodyEntity.MailFileType, mailBodyEntity.MailFileSubType,
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mailBodyEntity.MailFilePath);
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multipart.Add(mimePart);
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}
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//组合邮件内容
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message.Body = multipart;
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return message;
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}
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/// <summary>
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/// 设置邮件基础信息
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/// </summary>
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/// <param name="minMessag"></param>
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/// <param name="mailBodyEntity"></param>
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/// <returns></returns>
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public static MimeMessage SetMailBaseMessage(MimeMessage minMessag, MailBodyEntity mailBodyEntity)
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{
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if (minMessag == null)
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{
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throw new ArgumentNullException();
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}
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if (mailBodyEntity == null)
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{
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throw new ArgumentNullException();
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}
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//插入发件人
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minMessag.From.Add(new MailboxAddress(mailBodyEntity.Sender, mailBodyEntity.SenderAddress));
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//插入收件人
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foreach (var recipients in mailBodyEntity.Recipients)
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{
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minMessag.To.Add(new MailboxAddress(recipients, recipients));
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}
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//插入抄送人
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foreach (var cC in mailBodyEntity.Cc)
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{
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minMessag.Cc.Add(new MailboxAddress(cC, cC));
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}
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//插入主题
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minMessag.Subject = mailBodyEntity.Subject;
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return minMessag;
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}
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/// <summary>
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/// 组装邮件文本信息
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/// </summary>
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/// <param name="mailBody">邮件文本内容</param>
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/// <param name="textPartType">邮件文本类型(plain,html,rtf,xml)</param>
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/// <returns></returns>
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public static TextPart AssemblyMailTextMessage(string mailBody, string textPartType)
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{
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if (string.IsNullOrEmpty(mailBody))
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{
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throw new ArgumentNullException();
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}
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if (string.IsNullOrEmpty(textPartType))
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{
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throw new ArgumentNullException();
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}
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var textBody = new TextPart(textPartType)
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{
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Text = mailBody
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};
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return textBody;
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}
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/// <summary>
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/// 组装邮件附件信息
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/// </summary>
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/// <param name="fileAttachmentType">附件类型(image,application)</param>
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/// <param name="fileAttachmentSubType">附件子类型 </param>
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/// <param name="fileAttachmentPath">附件路径</param>
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/// <returns></returns>
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public static MimePart AssemblyMailAttachmentMessage(string fileAttachmentType, string fileAttachmentSubType, string fileAttachmentPath)
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{
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if (string.IsNullOrEmpty(fileAttachmentSubType))
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{
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throw new ArgumentNullException();
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}
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if (string.IsNullOrEmpty(fileAttachmentType))
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{
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throw new ArgumentNullException();
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}
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if (string.IsNullOrEmpty(fileAttachmentPath))
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{
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throw new ArgumentNullException();
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}
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var attachment = new MimePart(fileAttachmentType, fileAttachmentSubType)
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{
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Content = new MimeContent(File.OpenRead(fileAttachmentPath)),
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ContentDisposition = new ContentDisposition(ContentDisposition.Attachment),
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ContentTransferEncoding = ContentEncoding.Base64,
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FileName = Path.GetFileName(fileAttachmentPath)
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};
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return attachment;
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}
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}
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}
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