81 lines
3.2 KiB
C#
81 lines
3.2 KiB
C#
using MailKit.Net.Smtp;
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using MimeKit;
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using System;
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using System.Threading.Tasks;
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using MimeKit.Text;
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using System.IO;
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namespace AyaNova.Util
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{
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public interface IMailer
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{
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Task SendEmailAsync(string email, string subject, string body, AyaNova.Models.GlobalOpsNotificationSettings smtpSettings, string attachPDF = null, string forceFileName = null);
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}
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public class Mailer : IMailer
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{
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public Mailer()
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{
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}
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public async Task SendEmailAsync(string email, string subject, string body, AyaNova.Models.GlobalOpsNotificationSettings smtpSettings, string attachPDFPath = null, string forceFileName = null)
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{
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try
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{
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var message = new MimeMessage();
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message.From.Add(new MailboxAddress(smtpSettings.NotifyFromAddress, smtpSettings.NotifyFromAddress));
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message.To.Add(MailboxAddress.Parse(email));
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message.Subject = subject;
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if (!string.IsNullOrWhiteSpace(attachPDFPath))
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{
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var attachment = new MimePart("application/pdf", "pdf")
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{
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Content = new MimeContent(File.OpenRead(attachPDFPath), ContentEncoding.Default),
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ContentDisposition = new ContentDisposition(ContentDisposition.Attachment),
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ContentTransferEncoding = ContentEncoding.Base64,
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FileName = Path.GetFileName(attachPDFPath)
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};
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if (!string.IsNullOrWhiteSpace(forceFileName))
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attachment.FileName = forceFileName;
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var multipart = new Multipart("mixed");
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if (!string.IsNullOrWhiteSpace(body))
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multipart.Add(new TextPart(TextFormat.Plain) { Text = body });
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multipart.Add(attachment);
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message.Body = multipart;
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}
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else
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{
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if (!string.IsNullOrWhiteSpace(body))
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message.Body = new TextPart(TextFormat.Plain) { Text = body };
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}
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using (var client = new SmtpClient())
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{
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client.ServerCertificateValidationCallback = (s, c, h, e) => true;
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bool UseSSL = smtpSettings.ConnectionSecurity != Biz.NotifyMailSecurity.None;
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await client.ConnectAsync(smtpSettings.SmtpServerAddress, smtpSettings.SmtpServerPort, UseSSL);
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await client.AuthenticateAsync(smtpSettings.SmtpAccount, smtpSettings.SmtpPassword);
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await client.SendAsync(message);
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await client.DisconnectAsync(true);
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DisposeStreamsInMimeMessage(message);
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}
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}
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catch (Exception e)
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{
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throw new InvalidOperationException(e.Message);
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}
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}
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public static void DisposeStreamsInMimeMessage(MimeMessage msg) { foreach (var part in msg.BodyParts) (part as MimePart)?.Content?.Stream?.Dispose(); }
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}
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} |