[Web] Add archive module classes

data/web/inc/lib/mailcow/Archive/Model/Journal.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Mailcow\Archive\Model;
+
+/**
+ * What the archive learns about one mail besides its content: owners, SMTP envelope, origin and content hash.
+ */
+class Journal
+{
+    public const DIRECTIONS = ['in', 'out', 'internal'];
+    public const SOURCES = ['smtp', 'quarantine', 'massmail', 'test'];
+
+    /**
+     * @param string[] $owners mailbox usernames the mail belongs to
+     * @param string[] $rcpts SMTP envelope recipients as received (incl. BCC)
+     * @param float $received time mailcow accepted the mail (unix time with milliseconds)
+     * @param string $sha256 hash of the content as sent to the archive (CRLF line ends)
+     */
+    public function __construct(
+        public readonly array $owners,
+        public readonly array $rcpts,
+        public readonly string $from,
+        public readonly string $qid,
+        public readonly string $direction,
+        public readonly string $source,
+        public readonly float $received,
+        public readonly string $sha256
+    ) {
+    }
+}