Move SMTP server from messages plugin into core

plugins/messages/app/mail_receivers/messages_mail_receiver.rb

@@ -0,0 +1,50 @@
+class MessagesMailReceiver
+
+  def self.regexp
+    /(?<message_id>\d+)\.(?<user_id>\d+)\.(?<hash>\w+)/
+  end
+
+  def received(match, data)
+    original_message = Message.find_by_id(match[:message_id])
+    user = User.find_by_id(match[:user_id])
+
+    raise "Message could not be found" if original_message.nil?
+    raise "User could not be found" if user.nil?
+
+    hash = original_message.mail_hash_for_user user
+    raise "Hash does not match expectations" unless hash.casecmp(match[:hash]) == 0
+
+    mail = Mail.new data
+
+    mail_part = nil
+    if mail.multipart?
+      for part in mail.parts
+        mail_part = part if MIME::Type.simplified(part.content_type) == "text/plain"
+      end
+    else
+      mail_part = mail
+    end
+
+    body = mail_part.body.decoded
+    unless mail_part.content_type_parameters.nil?
+      body = body.force_encoding mail_part.content_type_parameters[:charset]
+    end
+
+    message = user.send_messages.new body: body,
+      group: original_message.group,
+      private: original_message.private,
+      received_email: received_email,
+      subject: mail.subject.gsub("[#{FoodsoftConfig[:name]}] ", "")
+    if original_message.reply_to
+      message.reply_to_message = original_message.reply_to_message
+    else
+      message.reply_to_message = original_message
+    end
+    message.add_recipients original_message.recipients
+    message.add_recipients [original_message.sender]
+
+    message.save!
+    Resque.enqueue(MessageNotifier, FoodsoftConfig.scope, "message_deliver", message.id)
+  end
+
+end