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Ombi/Ombi.Services/Notification/EmailMessageNotification.cs

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#region Copyright
// /************************************************************************
// Copyright (c) 2016 Jamie Rees
// File: EmailMessageNotification.cs
// Created By: Jamie Rees
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// ************************************************************************/
#endregion
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using System;
using System.Threading.Tasks;
using MimeKit;
using NLog;
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using Ombi.Core;
using Ombi.Core.Models;
using Ombi.Core.Notification.Templates;
using Ombi.Core.SettingModels;
using Ombi.Services.Interfaces;
using Ombi.Store;
using SmtpClient = MailKit.Net.Smtp.SmtpClient;
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namespace Ombi.Services.Notification
{
public class EmailMessageNotification : INotification
{
public EmailMessageNotification(ISettingsService<EmailNotificationSettings> settings)
{
EmailNotificationSettings = settings;
}
private static readonly Logger Log = LogManager.GetCurrentClassLogger();
private ISettingsService<EmailNotificationSettings> EmailNotificationSettings { get; }
public string NotificationName => "EmailMessageNotification";
public async Task NotifyAsync(NotificationModel model)
{
var configuration = GetConfiguration();
await NotifyAsync(model, configuration);
}
public async Task NotifyAsync(NotificationModel model, Settings settings)
{
if (settings == null) await NotifyAsync(model);
var emailSettings = (EmailNotificationSettings)settings;
if (!ValidateConfiguration(emailSettings))
{
return;
}
switch (model.NotificationType)
{
case NotificationType.NewRequest:
await EmailNewRequest(model, emailSettings);
break;
case NotificationType.Issue:
await EmailIssue(model, emailSettings);
break;
case NotificationType.RequestAvailable:
await EmailAvailableRequest(model, emailSettings);
break;
case NotificationType.RequestApproved:
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await EmailRequestApproved(model, emailSettings);
break;
case NotificationType.AdminNote:
throw new NotImplementedException();
case NotificationType.Test:
await EmailTest(model, emailSettings);
break;
case NotificationType.RequestDeclined:
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await EmailRequestDeclined(model, emailSettings);
break;
case NotificationType.ItemAddedToFaultQueue:
await EmailAddedToRequestQueue(model, emailSettings);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
private EmailNotificationSettings GetConfiguration()
{
var settings = EmailNotificationSettings.GetSettings();
return settings;
}
private bool ValidateConfiguration(EmailNotificationSettings settings)
{
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if (settings.Authentication)
{
if (string.IsNullOrEmpty(settings.EmailUsername) || string.IsNullOrEmpty(settings.EmailPassword))
{
return false;
}
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}
if (string.IsNullOrEmpty(settings.EmailHost) || string.IsNullOrEmpty(settings.RecipientEmail) || string.IsNullOrEmpty(settings.EmailPort.ToString()))
{
return false;
}
return true;
}
private async Task EmailNewRequest(NotificationModel model, EmailNotificationSettings settings)
{
var email = new EmailBasicTemplate();
var html = email.LoadTemplate(
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$"Ombi: New {model.RequestType.GetString()?.ToLower()} request for {model.Title}!",
$"Hello! The user '{model.User}' has requested the {model.RequestType.GetString()?.ToLower()} '{model.Title}'! Please log in to approve this request. Request Date: {model.DateTime.ToString("f")}",
model.ImgSrc);
var body = new BodyBuilder { HtmlBody = html, TextBody = $"Hello! The user '{model.User}' has requested the {model.RequestType.GetString()?.ToLower()} '{model.Title}'! Please log in to approve this request. Request Date: {model.DateTime.ToString("f")}" };
var message = new MimeMessage
{
Body = body.ToMessageBody(),
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Subject = $"Ombi: New {model.RequestType.GetString()?.ToLower()} request for {model.Title}!"
};
message.From.Add(new MailboxAddress(settings.EmailSender, settings.EmailSender));
message.To.Add(new MailboxAddress(settings.RecipientEmail, settings.RecipientEmail));
await Send(message, settings);
}
private async Task EmailIssue(NotificationModel model, EmailNotificationSettings settings)
{
var email = new EmailBasicTemplate();
var html = email.LoadTemplate(
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$"Ombi: New issue for {model.Title}!",
$"Hello! The user '{model.User}' has reported a new issue {model.Body} for the title {model.Title}!",
model.ImgSrc);
var body = new BodyBuilder { HtmlBody = html, TextBody = $"Hello! The user '{model.User}' has reported a new issue {model.Body} for the title {model.Title}!"};
var message = new MimeMessage
{
Body = body.ToMessageBody(),
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Subject = $"Ombi: New issue for {model.Title}!"
};
message.From.Add(new MailboxAddress(settings.EmailSender, settings.EmailSender));
message.To.Add(new MailboxAddress(settings.RecipientEmail, settings.RecipientEmail));
await Send(message, settings);
}
private async Task EmailAddedToRequestQueue(NotificationModel model, EmailNotificationSettings settings)
{
var email = new EmailBasicTemplate();
var html = email.LoadTemplate(
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"Ombi: A request could not be added.",
$"Hello! The user '{model.User}' has requested {model.Title} but it could not be added. This has been added into the requests queue and will keep retrying",
model.ImgSrc);
var body = new BodyBuilder { HtmlBody = html, TextBody = $"Hello! The user '{model.User}' has requested {model.Title} but it could not be added. This has been added into the requests queue and will keep retrying" };
var message = new MimeMessage
{
Body = body.ToMessageBody(),
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Subject = $"Ombi: A request could not be added"
};
message.From.Add(new MailboxAddress(settings.EmailSender, settings.EmailSender));
message.To.Add(new MailboxAddress(settings.RecipientEmail, settings.RecipientEmail));
await Send(message, settings);
}
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private async Task EmailRequestDeclined(NotificationModel model, EmailNotificationSettings settings)
{
var email = new EmailBasicTemplate();
var html = email.LoadTemplate(
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"Ombi: Your request has been declined",
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$"Hello! Your request for {model.Title} has been declined, Sorry!",
model.ImgSrc);
var body = new BodyBuilder { HtmlBody = html, TextBody = $"Hello! Your request for {model.Title} has been declined, Sorry!", };
var message = new MimeMessage
{
Body = body.ToMessageBody(),
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Subject = $"Ombi: Your request has been declined"
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};
message.From.Add(new MailboxAddress(settings.EmailSender, settings.EmailSender));
message.To.Add(new MailboxAddress(model.UserEmail, model.UserEmail));
await Send(message, settings);
}
private async Task EmailRequestApproved(NotificationModel model, EmailNotificationSettings settings)
{
var email = new EmailBasicTemplate();
var html = email.LoadTemplate(
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"Ombi: Your request has been approved!",
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$"Hello! Your request for {model.Title} has been approved!",
model.ImgSrc);
var body = new BodyBuilder { HtmlBody = html, TextBody = $"Hello! Your request for {model.Title} has been approved!", };
var message = new MimeMessage
{
Body = body.ToMessageBody(),
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Subject = $"Ombi: Your request has been approved!"
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};
message.From.Add(new MailboxAddress(settings.EmailSender, settings.EmailSender));
message.To.Add(new MailboxAddress(model.UserEmail, model.UserEmail));
await Send(message, settings);
}
private async Task EmailAvailableRequest(NotificationModel model, EmailNotificationSettings settings)
{
var email = new EmailBasicTemplate();
var html = email.LoadTemplate(
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$"Ombi: {model.Title} is now available!",
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$"Hello! You requested {model.Title} on Ombi! This is now available on Plex! :)",
model.ImgSrc);
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var body = new BodyBuilder { HtmlBody = html, TextBody = $"Hello! You requested {model.Title} on Ombi! This is now available on Plex! :)" };
var message = new MimeMessage
{
Body = body.ToMessageBody(),
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Subject = $"Ombi: {model.Title} is now available!"
};
message.From.Add(new MailboxAddress(settings.EmailSender, settings.EmailSender));
message.To.Add(new MailboxAddress(model.UserEmail, model.UserEmail));
await Send(message, settings);
}
private async Task Send(MimeMessage message, EmailNotificationSettings settings)
{
try
{
using (var client = new SmtpClient())
{
client.Connect(settings.EmailHost, settings.EmailPort); // Let MailKit figure out the correct SecureSocketOptions.
// Note: since we don't have an OAuth2 token, disable
// the XOAUTH2 authentication mechanism.
client.AuthenticationMechanisms.Remove("XOAUTH2");
if (settings.Authentication)
{
client.Authenticate(settings.EmailUsername, settings.EmailPassword);
}
Log.Info("sending message to {0} \r\n from: {1}\r\n Are we authenticated: {2}", message.To, message.From, client.IsAuthenticated);
await client.SendAsync(message);
await client.DisconnectAsync(true);
}
}
catch (Exception e)
{
Log.Error(e);
}
}
private async Task EmailTest(NotificationModel model, EmailNotificationSettings settings)
{
var email = new EmailBasicTemplate();
var html = email.LoadTemplate(
"Test Message",
"This is just a test! Success!",
model.ImgSrc);
var body = new BodyBuilder { HtmlBody = html, };
var message = new MimeMessage
{
Body = body.ToMessageBody()
};
message.From.Add(new MailboxAddress(settings.EmailSender, settings.EmailSender));
message.To.Add(new MailboxAddress(settings.RecipientEmail, settings.RecipientEmail));
await Send(message, settings);
}
}
}