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Code Issues Releases Wiki Activity

Refactor Email and add more logging 

(cherry picked from sonarr 5301620ecfd6cffb6014e986d1ce5b6bbaace93a)
closes #6168
This commit is contained in:
Mark McDowall 2021-04-08 17:34:56 -07:00 committed by Qstick
parent 5dabec5cc8
commit 7de2c8d41f
2 changed files with 118 additions and 109 deletions
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127
src/NzbDrone.Core/Notifications/Email/Email.cs
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@ -1,18 +1,24 @@
using System;
using System.Collections.Generic;
using System.Linq;
using FluentValidation.Results;
using MailKit.Net.Smtp;
using MailKit.Security;
using MimeKit;
using NLog;
using NzbDrone.Common.Extensions;
namespace NzbDrone.Core.Notifications.Email
{
public class Email : NotificationBase<EmailSettings>
{
private readonly IEmailService _emailService;
private readonly Logger _logger;
public override string Name => "Email";
public Email(IEmailService emailService)
public Email(Logger logger)
{
_emailService = emailService;
_logger = logger;
}
public override string Link => null;
@ -21,42 +27,145 @@ namespace NzbDrone.Core.Notifications.Email
{
var body = $"{grabMessage.Message} sent to queue.";
_emailService.SendEmail(Settings, MOVIE_GRABBED_TITLE_BRANDED, body);
SendEmail(Settings, MOVIE_GRABBED_TITLE_BRANDED, body);
}
public override void OnDownload(DownloadMessage message)
{
var body = $"{message.Message} Downloaded and sorted.";
_emailService.SendEmail(Settings, MOVIE_DOWNLOADED_TITLE_BRANDED, body);
SendEmail(Settings, MOVIE_DOWNLOADED_TITLE_BRANDED, body);
}
public override void OnMovieFileDelete(MovieFileDeleteMessage deleteMessage)
{
var body = $"{deleteMessage.Message} deleted.";
_emailService.SendEmail(Settings, MOVIE_FILE_DELETED_TITLE_BRANDED, body);
SendEmail(Settings, MOVIE_FILE_DELETED_TITLE_BRANDED, body);
}
public override void OnMovieDelete(MovieDeleteMessage deleteMessage)
{
var body = $"{deleteMessage.Message}";
_emailService.SendEmail(Settings, MOVIE_DELETED_TITLE_BRANDED, body);
SendEmail(Settings, MOVIE_DELETED_TITLE_BRANDED, body);
}
public override void OnHealthIssue(HealthCheck.HealthCheck message)
{
_emailService.SendEmail(Settings, HEALTH_ISSUE_TITLE_BRANDED, message.Message);
SendEmail(Settings, HEALTH_ISSUE_TITLE_BRANDED, message.Message);
}
public override ValidationResult Test()
{
var failures = new List<ValidationFailure>();
failures.AddIfNotNull(_emailService.Test(Settings));
failures.AddIfNotNull(Test(Settings));
return new ValidationResult(failures);
}
private void SendEmail(EmailSettings settings, string subject, string body, bool htmlBody = false)
{
var email = new MimeMessage();
email.From.Add(ParseAddress("From", settings.From));
email.To.AddRange(settings.To.Select(x => ParseAddress("To", x)));
email.Cc.AddRange(settings.CC.Select(x => ParseAddress("CC", x)));
email.Bcc.AddRange(settings.Bcc.Select(x => ParseAddress("BCC", x)));
email.Subject = subject;
email.Body = new TextPart(htmlBody ? "html" : "plain")
{
Text = body
};
_logger.Debug("Sending email Subject: {0}", subject);
try
{
Send(email, settings);
_logger.Debug("Email sent. Subject: {0}", subject);
}
catch (Exception ex)
{
_logger.Error("Error sending email. Subject: {0}", email.Subject);
_logger.Debug(ex, ex.Message);
throw;
}
_logger.Debug("Finished sending email. Subject: {0}", email.Subject);
}
private void Send(MimeMessage email, EmailSettings settings)
{
using (var client = new SmtpClient())
{
var serverOption = SecureSocketOptions.Auto;
if (settings.RequireEncryption)
{
if (settings.Port == 465)
{
serverOption = SecureSocketOptions.SslOnConnect;
}
else
{
serverOption = SecureSocketOptions.StartTls;
}
}
_logger.Debug("Connecting to mail server");
client.Connect(settings.Server, settings.Port, serverOption);
if (!string.IsNullOrWhiteSpace(settings.Username))
{
_logger.Debug("Authenticating to mail server");
client.Authenticate(settings.Username, settings.Password);
}
_logger.Debug("Sending to mail server");
client.Send(email);
_logger.Debug("Sent to mail server, disconnecting");
client.Disconnect(true);
_logger.Debug("Disconnecting from mail server");
}
}
public ValidationFailure Test(EmailSettings settings)
{
const string body = "Success! You have properly configured your email notification settings";
try
{
SendEmail(settings, "Radarr - Test Notification", body);
}
catch (Exception ex)
{
_logger.Error(ex, "Unable to send test email");
return new ValidationFailure("Server", "Unable to send test email");
}
return null;
}
private MailboxAddress ParseAddress(string type, string address)
{
try
{
return MailboxAddress.Parse(address);
}
catch (Exception ex)
{
_logger.Error(ex, "{0} email address '{1}' invalid", type, address);
throw;
}
}
}
}

100
src/NzbDrone.Core/Notifications/Email/EmailService.cs
View File

@ -1,100 +0,0 @@
using System;
using System.Linq;
using FluentValidation.Results;
using MailKit.Net.Smtp;
using MailKit.Security;
using MimeKit;
using NLog;
namespace NzbDrone.Core.Notifications.Email
{
public interface IEmailService
{
void SendEmail(EmailSettings settings, string subject, string body, bool htmlBody = false);
ValidationFailure Test(EmailSettings settings);
}
public class EmailService : IEmailService
{
private readonly Logger _logger;
public EmailService(Logger logger)
{
_logger = logger;
}
public void SendEmail(EmailSettings settings, string subject, string body, bool htmlBody = false)
{
var email = new MimeMessage();
email.From.Add(MailboxAddress.Parse(settings.From));
settings.To.ToList().ForEach(x => email.To.Add(MailboxAddress.Parse(x)));
settings.CC.ToList().ForEach(x => email.Cc.Add(MailboxAddress.Parse(x)));
settings.Bcc.ToList().ForEach(x => email.Bcc.Add(MailboxAddress.Parse(x)));
email.Subject = subject;
email.Body = new TextPart(htmlBody ? "html" : "plain")
{
Text = body
};
try
{
Send(email, settings);
}
catch (Exception ex)
{
_logger.Error("Error sending email. Subject: {0}", email.Subject);
_logger.Debug(ex, ex.Message);
throw;
}
}
private void Send(MimeMessage email, EmailSettings settings)
{
using (var client = new SmtpClient())
{
var serverOption = SecureSocketOptions.Auto;
if (settings.RequireEncryption)
{
if (settings.Port == 465)
{
serverOption = SecureSocketOptions.SslOnConnect;
}
else
{
serverOption = SecureSocketOptions.StartTls;
}
}
client.Connect(settings.Server, settings.Port, serverOption);
if (!string.IsNullOrWhiteSpace(settings.Username))
{
client.Authenticate(settings.Username, settings.Password);
}
client.Send(email);
client.Disconnect(true);
}
}
public ValidationFailure Test(EmailSettings settings)
{
const string body = "Success! You have properly configured your email notification settings";
try
{
SendEmail(settings, "Radarr - Test Notification", body);
}
catch (Exception ex)
{
_logger.Error(ex, "Unable to send test email: " + ex.Message);
return new ValidationFailure("Server", "Unable to send test email");
}
return null;
}
}
}