From f9f55c95d7776a1c6254cfd9135fba655ad534ac Mon Sep 17 00:00:00 2001
From: John Cardinal <support@ayanova.com>
Date: Wed, 22 Jul 2020 00:12:03 +0000
Subject: [PATCH]

---
 server/AyaNova/AyaNova.csproj             |  3 +-
 server/AyaNova/generator/CoreJobNotify.cs |  3 ++
 server/AyaNova/util/Mailer.cs             | 56 +++++++++++++++++++++++
 3 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 server/AyaNova/util/Mailer.cs

diff --git a/server/AyaNova/AyaNova.csproj b/server/AyaNova/AyaNova.csproj
index 71b1b323..4441b0de 100644
--- a/server/AyaNova/AyaNova.csproj
+++ b/server/AyaNova/AyaNova.csproj
@@ -18,7 +18,8 @@
     <PackageReference Include="Bogus" Version="29.0.2" />
     <PackageReference Include="BouncyCastle.NetCore" Version="1.8.6" />
     <PackageReference Include="Enums.NET" Version="3.0.3" />    
-    <PackageReference Include="jose-jwt" Version="2.5.0" />
+    <PackageReference Include="jose-jwt" Version="2.5.0" />    
+    <PackageReference Include="MailKit" Version="2.8.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.1.4" />  
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.1.4" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning" Version="4.1.1" />
diff --git a/server/AyaNova/generator/CoreJobNotify.cs b/server/AyaNova/generator/CoreJobNotify.cs
index 402b3071..6878f09d 100644
--- a/server/AyaNova/generator/CoreJobNotify.cs
+++ b/server/AyaNova/generator/CoreJobNotify.cs
@@ -170,6 +170,9 @@ namespace AyaNova.Biz
         public static async Task<string> TestSMTPDelivery(string toAddress)
         {
             //DO TEST DELIVERY HERE USING EXACT SAME SETTINGS AS FOR DeliverSMTP above
+            //todo: abstract out email sending to it's own class maybe or whatever method I choose supports the best
+            //https://jasonwatmore.com/post/2020/07/15/aspnet-core-3-send-emails-via-smtp-with-mailkit
+            //https://medium.com/@ffimnsr/sending-email-using-mailkit-in-asp-net-core-web-api-71b946380442
             return "ok";
 
         }
diff --git a/server/AyaNova/util/Mailer.cs b/server/AyaNova/util/Mailer.cs
new file mode 100644
index 00000000..6cffc7d4
--- /dev/null
+++ b/server/AyaNova/util/Mailer.cs
@@ -0,0 +1,56 @@
+using MailKit.Net.Smtp;
+using MimeKit;
+using System;
+using System.Threading.Tasks;
+using MimeKit.Text;
+
+namespace AyaNova.Util
+{
+    public interface IMailer
+    {
+        Task SendEmailAsync(string email, string subject, string body, AyaNova.Models.GlobalOpsNotificationSettings smtpSettings, string bodyHTML = null);
+    }
+
+    public class Mailer : IMailer
+    {
+        public Mailer()
+        {
+
+        }
+
+        public async Task SendEmailAsync(string email, string subject, string body, AyaNova.Models.GlobalOpsNotificationSettings smtpSettings, string bodyHTML = null)
+        {
+            try
+            {
+                var message = new MimeMessage();
+                message.From.Add(new MailboxAddress(smtpSettings.NotifyFromAddress, smtpSettings.NotifyFromAddress));
+                message.To.Add(MailboxAddress.Parse(email));
+                message.Subject = subject;
+                if (!string.IsNullOrWhiteSpace(body))
+                    message.Body = new TextPart(TextFormat.Plain) { Text = body };
+                if (!string.IsNullOrWhiteSpace(bodyHTML))
+                    message.Body = new TextPart("html")
+                    {
+                        Text = body
+                    };
+
+                using (var client = new SmtpClient())
+                {
+                    client.ServerCertificateValidationCallback = (s, c, h, e) => true;
+
+                    bool UseSSL = smtpSettings.ConnectionSecurity != Biz.NotifyMailSecurity.None;
+                    await client.ConnectAsync(smtpSettings.SmtpServerAddress, smtpSettings.SmtpServerPort, UseSSL);
+
+
+                    await client.AuthenticateAsync(smtpSettings.SmtpAccount, smtpSettings.SmtpPassword);
+                    await client.SendAsync(message);
+                    await client.DisconnectAsync(true);
+                }
+            }
+            catch (Exception e)
+            {
+                throw new InvalidOperationException(e.Message);
+            }
+        }
+    }
+}
\ No newline at end of file