Process netmails from unlisted systems

app/Notifications/Netmails/UnexpectedPacketFromYou.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Notifications\Netmails;
+
+use Illuminate\Support\Facades\Log;
+
+use App\Notifications\Netmails;
+use App\Models\{Echomail,Netmail};
+use App\Traits\{MessagePath,PageTemplate};
+
+class UnexpectedPacketFromYou extends Netmails
+{
+	use MessagePath,PageTemplate;
+
+	private const LOGKEY = 'NUP';
+
+	private string $filename;
+
+	/**
+	 * Send a sysop a message if they send us echomail and they are not defined with us.
+	 *
+	 * @param Echomail $mo
+	 */
+	public function __construct(string $filename)
+	{
+		parent::__construct();
+
+		$this->filename = $filename;
+	}
+
+	/**
+	 * Get the mail representation of the notification.
+	 *
+	 * @param mixed $notifiable
+	 * @return Netmail
+	 * @throws \Exception
+	 */
+	public function toNetmail(object $notifiable): Netmail
+	{
+		$o = $this->setupNetmail($notifiable);
+		$ao = $notifiable->routeNotificationFor(static::via);
+
+		Log::info(sprintf('%s:+ Creating NETMAIL UNEXPECTED PACKET netmail to [%s]',self::LOGKEY,$ao->ftn));
+
+		$o->subject = sprintf('Unexpected packet from you [%s]',$this->filename);
+
+		// Message
+		$msg = $this->page(FALSE,'unexpected');
+
+		$msg->addText("We received a packet from you with echomail, but your node is not defined here. Those echomail messages were ignored. If you think this is a mistake, please let me know.\r\r");
+
+		$o->msg = $msg->render();
+		$o->set_tagline = 'The unexpected moment is always sweeter';
+
+		$o->save();
+
+		return $o;
+	}
+}