Process packet seenby/path/via lines when saving echomail/netmail

app/Traits/ParseAddresses.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace App\Traits;
+
+use Illuminate\Support\Collection;
+
+use App\Http\Controllers\DomainController;
+use App\Models\{Address,System,Zone};
+
+trait ParseAddresses
+{
+	/**
+	 * Parse the Seenby/path lines and return a collection of addresses
+	 *
+	 * @param string $type Type of address, ie: seenby/path
+	 * @param Collection $addresses
+	 * @param Zone $zone
+	 * @param Collection $rogue
+	 * @return Collection
+	 * @throws \Exception
+	 */
+	private static function parseAddresses(string $type,Collection $addresses,Zone $zone,Collection &$rogue): Collection
+	{
+		$nodes = collect();
+
+		$net = NULL;
+		foreach ($addresses as $line) {
+			foreach (explode(' ',$line) as $item) {
+				if (($x=strpos($item,'/')) !== FALSE) {
+					$net = (int)substr($item,0,$x);
+					$node = (int)substr($item,$x+1);
+
+				} else {
+					$node = (int)$item;
+				}
+
+				// If domain should be flattened, look for node regardless of zone (within the list of zones for the domain)
+				$ao = ($zone->domain->flatten)
+					? Address::findZone($zone->domain,$net&DomainController::NUMBER_MAX,$node&DomainController::NUMBER_MAX,0)
+					: Address::findFTN(sprintf('%d:%d/%d',$zone->zone_id,$net&DomainController::NUMBER_MAX,$node&DomainController::NUMBER_MAX));
+
+				switch ($type) {
+					case 'seenby':
+						if (! $ao)
+							$rogue->push(sprintf('%d:%d/%d',$zone->domain->flatten ? 0 : $zone->zone_id,$net&DomainController::NUMBER_MAX,$node&DomainController::NUMBER_MAX));
+						else
+							$nodes->push($ao->id);
+
+						break;
+
+					case 'path':
+						if (! $ao) {
+							$ftn = sprintf('%d:%d/%d@%s',$zone->zone_id,$net&DomainController::NUMBER_MAX,$node&DomainController::NUMBER_MAX,$zone->domain->name);
+							$ao = Address::createFTN($ftn,System::createUnknownSystem());
+						}
+
+						$nodes->push($ao->id);
+
+						break;
+				}
+			}
+		}
+
+		return $nodes;
+	}
+}