Files
Umbraco-CMS/src/Umbraco.Infrastructure/EmailSender.cs

96 lines
3.6 KiB
C#

// Copyright (c) Umbraco.
// See LICENSE for more details.
using System.Net.Mail;
using System.Threading.Tasks;
using Microsoft.Extensions.Options;
using Umbraco.Cms.Core.Configuration.Models;
using Umbraco.Cms.Core.Events;
using Umbraco.Cms.Core.Mail;
using Umbraco.Cms.Core.Models.Email;
using Umbraco.Cms.Core.Notifications;
using Umbraco.Cms.Infrastructure.Extensions;
using SmtpClient = MailKit.Net.Smtp.SmtpClient;
namespace Umbraco.Cms.Infrastructure
{
/// <summary>
/// A utility class for sending emails
/// </summary>
public class EmailSender : IEmailSender
{
// TODO: This should encapsulate a BackgroundTaskRunner with a queue to send these emails!
private readonly IEventAggregator _eventAggregator;
private readonly GlobalSettings _globalSettings;
private readonly bool _notificationHandlerRegistered;
public EmailSender(IOptions<GlobalSettings> globalSettings, IEventAggregator eventAggregator)
: this(globalSettings, eventAggregator, null)
{
}
public EmailSender(IOptions<GlobalSettings> globalSettings, IEventAggregator eventAggregator, INotificationHandler<SendEmailNotification> handler)
{
_eventAggregator = eventAggregator;
_globalSettings = globalSettings.Value;
_notificationHandlerRegistered = handler is not null;
}
/// <summary>
/// Sends the message async
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
public async Task SendAsync(EmailMessage message) => await SendAsyncInternal(message, false);
public async Task SendAsync(EmailMessage message, bool enableNotification) =>
await SendAsyncInternal(message, enableNotification);
private async Task SendAsyncInternal(EmailMessage message, bool enableNotification)
{
if (_globalSettings.IsSmtpServerConfigured == false)
{
if (enableNotification)
{
await _eventAggregator.PublishAsync(
new SendEmailNotification(message.ToNotificationEmail(_globalSettings.Smtp?.From)));
}
return;
}
using (var client = new SmtpClient())
{
await client.ConnectAsync(_globalSettings.Smtp.Host,
_globalSettings.Smtp.Port,
(MailKit.Security.SecureSocketOptions)(int)_globalSettings.Smtp.SecureSocketOptions);
if (!(_globalSettings.Smtp.Username is null && _globalSettings.Smtp.Password is null))
{
await client.AuthenticateAsync(_globalSettings.Smtp.Username, _globalSettings.Smtp.Password);
}
var mailMessage = message.ToMimeMessage(_globalSettings.Smtp.From);
if (_globalSettings.Smtp.DeliveryMethod == SmtpDeliveryMethod.Network)
{
await client.SendAsync(mailMessage);
}
else
{
client.Send(mailMessage);
}
await client.DisconnectAsync(true);
}
}
/// <summary>
/// Returns true if the application should be able to send a required application email
/// </summary>
/// <remarks>
/// We assume this is possible if either an event handler is registered or an smtp server is configured
/// </remarks>
public bool CanSendRequiredEmail() => _globalSettings.IsSmtpServerConfigured || _notificationHandlerRegistered;
}
}