From aca1551e8608a6df6dbe666372b5941a212457bd Mon Sep 17 00:00:00 2001
From: Mario <mario@mariovavti.com>
Date: Wed, 13 Oct 2021 09:23:59 +0000
Subject: implement AS representation of photos and albums, cleanup and minor
 fixes

---
 Zotlabs/Module/Album.php | 103 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 Zotlabs/Module/Album.php

(limited to 'Zotlabs/Module/Album.php')

diff --git a/Zotlabs/Module/Album.php b/Zotlabs/Module/Album.php
new file mode 100644
index 000000000..f80880184
--- /dev/null
+++ b/Zotlabs/Module/Album.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace Zotlabs\Module;
+
+use App;
+use Zotlabs\Web\Controller;
+use Zotlabs\Lib\Activity;
+use Zotlabs\Lib\ActivityStreams;
+use Zotlabs\Lib\Config;
+use Zotlabs\Web\HTTPSig;
+
+require_once('include/security.php');
+require_once('include/attach.php');
+require_once('include/photo/photo_driver.php');
+require_once('include/photos.php');
+
+
+class Album extends Controller {
+
+	function init() {
+
+		if (ActivityStreams::is_as_request()) {
+			$sigdata = HTTPSig::verify(EMPTY_STR);
+			if ($sigdata['portable_id'] && $sigdata['header_valid']) {
+				$portable_id = $sigdata['portable_id'];
+				if (!check_channelallowed($portable_id)) {
+					http_status_exit(403, 'Permission denied');
+				}
+				if (!check_siteallowed($sigdata['signer'])) {
+					http_status_exit(403, 'Permission denied');
+				}
+				observer_auth($portable_id);
+			}
+			elseif (Config::get('system', 'require_authenticated_fetch', false)) {
+				http_status_exit(403, 'Permission denied');
+			}
+
+			$observer_xchan = get_observer_hash();
+			$allowed        = false;
+
+			$bear = Activity::token_from_request();
+			if ($bear) {
+				logger('bear: ' . $bear, LOGGER_DEBUG);
+			}
+
+			$channel = null;
+
+			if (argc() > 1) {
+				$channel = channelx_by_nick(argv(1));
+			}
+			if (!$channel) {
+				http_status_exit(404, 'Not found.');
+			}
+
+			$sql_extra = permissions_sql($channel['channel_id'], $observer_xchan);
+
+			if (argc() > 2) {
+				$folder  = argv(2);
+				$r       = q("select * from attach where is_dir = 1 and hash = '%s' and uid = %d $sql_extra limit 1",
+					dbesc($folder),
+					intval($channel['channel_id'])
+				);
+				$allowed = (($r) ? attach_can_view($channel['channel_id'], $observer_xchan, $r[0]['hash'] /*,$bear */) : false);
+			}
+			else {
+				$folder  = EMPTY_STR;
+				$allowed = perm_is_allowed($channel['channel_id'], $observer_xchan, 'view_storage');
+			}
+
+			if (!$allowed) {
+				http_status_exit(403, 'Permission denied.');
+			}
+
+			$x = q("select * from attach where folder = '%s' and uid = %d $sql_extra",
+				dbesc($folder),
+				intval($channel['channel_id'])
+			);
+
+			$contents = [];
+
+			if ($x) {
+				foreach ($x as $xv) {
+					if (intval($xv['is_dir'])) {
+						continue;
+					}
+					if (!attach_can_view($channel['channel_id'], $observer_xchan, $xv['hash'] /*,$bear*/)) {
+						continue;
+					}
+					if (intval($xv['is_photo'])) {
+						$contents[] = z_root() . '/photo/' . $xv['hash'];
+					}
+				}
+			}
+
+			$obj = Activity::encode_simple_collection($contents, App::$query_string, 'OrderedCollection', count($contents));
+			as_return_and_die($obj, $channel);
+
+		}
+
+	}
+
+}
+
-- 
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