81 lines
2.9 KiB
C#
81 lines
2.9 KiB
C#
using System.Net.Mail;
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using MailKit;
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using MailKit.Net.Imap;
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using MailKit.Net.Smtp;
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using MimeKit;
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namespace NejCommon.Services.Email;
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public class SMTPService : IEmailService
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{
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public record SMTPSettings(string From, string Host, int Port, int ImapPort, string Username, string Password);
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private readonly SMTPSettings _settings;
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private readonly ILogger<SMTPService> Logger;
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public SMTPService(ILogger<SMTPService> logger, SMTPSettings settings)
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{
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_settings = settings;
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Logger = logger;
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}
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public async Task SendEmailAsync(string recipient, string subject, string message, List<Attachment>? attachments = null)
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{
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var mess = new MimeMessage();
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mess.From.Add(MailboxAddress.Parse(_settings.From));
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mess.To.Add(MailboxAddress.Parse(recipient));
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mess.Subject = subject;
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var bodyBuilder = new BodyBuilder();
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bodyBuilder.HtmlBody = message;
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bodyBuilder.TextBody = "";
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foreach (var attachment in attachments ?? new List<Attachment>())
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bodyBuilder.Attachments.Add(attachment.Name, attachment.ContentStream, ContentType.Parse(attachment.ContentType.ToString()));
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mess.Body = bodyBuilder.ToMessageBody();
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using (var client = new MailKit.Net.Smtp.SmtpClient())
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{
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await Task.Delay(100);
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await client.ConnectAsync(_settings.Host, _settings.Port);
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// Note: only needed if the SMTP server requires authentication
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await client.AuthenticateAsync(_settings.Username, _settings.Password);
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await client.SendAsync(mess);
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await client.DisconnectAsync(true);
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await Task.Delay(100);
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using (var imap = new MailKit.Net.Imap.ImapClient())
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{
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await imap.ConnectAsync(_settings.Host, _settings.ImapPort); // or ConnectSSL for SSL
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await imap.AuthenticateAsync(_settings.Username, _settings.Password);
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//get the sent folder
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IMailFolder sent = null;
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if (imap.Capabilities.HasFlag(ImapCapabilities.SpecialUse))
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sent = imap.GetFolder(SpecialFolder.Sent);
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if (sent == null)
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{
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// get the default personal namespace root folder
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var personal = imap.GetFolder(imap.PersonalNamespaces[0]);
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// This assumes the sent folder's name is "Sent", but use whatever the real name is
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sent = await personal.GetSubfolderAsync("Sent").ConfigureAwait(false);
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}
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if (sent != null)
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{
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await sent.AppendAsync(mess, MessageFlags.Seen);
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}
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await imap.DisconnectAsync(true);
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}
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Logger.LogInformation("Email {0} sent to {1} - {2} attachments", subject, recipient, attachments?.Count ?? 0);
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}
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}
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} |