From 18b7b3f125b88143d4edefec22a0df67869788d9 Mon Sep 17 00:00:00 2001
From: Mario <mario@mariovavti.com>
Date: Fri, 16 Jun 2023 12:16:22 +0000
Subject: deprecate ActivityStreams::fetch() and provide the possibility to
 fetch local items directly

---
 Zotlabs/Lib/Activity.php        | 21 +++++++++++++++++++--
 Zotlabs/Lib/ActivityStreams.php | 31 ++++++++++++++++++++++---------
 Zotlabs/Web/HTTPSig.php         |  4 ++--
 3 files changed, 43 insertions(+), 13 deletions(-)

(limited to 'Zotlabs')

diff --git a/Zotlabs/Lib/Activity.php b/Zotlabs/Lib/Activity.php
index dbf7f7b46..23ba89462 100644
--- a/Zotlabs/Lib/Activity.php
+++ b/Zotlabs/Lib/Activity.php
@@ -50,6 +50,25 @@ class Activity {
 
 	}
 
+	public static function fetch_local($url, $portable_id) {
+		$sql_extra = item_permissions_sql(0, $portable_id);
+		$item_normal = item_normal();
+
+		// Find the original object
+		$j = q(
+			"select *, id as item_id from item where mid = '%s' and item_wall = 1 $item_normal $sql_extra",
+			dbesc($url)
+		);
+		if ($j) {
+			xchan_query($j, true);
+			$items = fetch_post_tags($j);
+		}
+		if ($items) {
+			return self::encode_item(array_shift($items), true);
+		}
+		return false;
+	}
+
 	static function fetch($url, $channel = null) {
 		$redirects = 0;
 		if (!check_siteallowed($url)) {
@@ -2962,7 +2981,6 @@ class Activity {
 				}*/
 			}
 			else {
-
 				$allowed = true;
 
 				// reject public stream comments that weren't sent by the conversation owner
@@ -3180,7 +3198,6 @@ class Activity {
 
 		// TODO: not implemented
 		// self::rewrite_mentions($item);
-
 		$r = q("select id, created, edited from item where mid = '%s' and uid = %d limit 1",
 			dbesc($item['mid']),
 			intval($item['uid'])
diff --git a/Zotlabs/Lib/ActivityStreams.php b/Zotlabs/Lib/ActivityStreams.php
index f07f99ac3..1f10ac027 100644
--- a/Zotlabs/Lib/ActivityStreams.php
+++ b/Zotlabs/Lib/ActivityStreams.php
@@ -14,6 +14,7 @@ class ActivityStreams {
 	public $meta = null;
 	public $valid = false;
 	public $deleted = false;
+	public $portable_id = null;
 	public $id = '';
 	public $parent_id = '';
 	public $type = '';
@@ -35,12 +36,13 @@ class ActivityStreams {
 	 *
 	 * @param string $string
 	 */
-	function __construct($string) {
+	function __construct($string, $portable_id = null) {
 
 		if(!$string)
 			return;
 
 		$this->raw = $string;
+		$this->portable_id = $portable_id;
 
 		if (is_array($string)) {
 			$this->data = $string;
@@ -123,13 +125,14 @@ class ActivityStreams {
 
 			$this->parent_id = $this->get_property_obj('inReplyTo');
 
-			if ((!$this->parent_id) && is_array($this->obj) && isset($this->obj['inReplyTo'])) {
+			if (!$this->parent_id && is_array($this->obj) && isset($this->obj['inReplyTo'])) {
 				$this->parent_id = $this->obj['inReplyTo'];
 			}
 
-			if ((!$this->parent_id) && is_array($this->obj) && isset($this->obj['id'])) {
+			if (!$this->parent_id && is_array($this->obj) && isset($this->obj['id'])) {
 				$this->parent_id = $this->obj['id'];
 			}
+
 		}
 	}
 
@@ -302,12 +305,22 @@ class ActivityStreams {
 	 * @return NULL|mixed
 	 */
 
-	function fetch_property($url) {
-		return self::fetch($url);
-	}
-
-	static function fetch($url, $channel = null) {
-		return Activity::fetch($url, $channel);
+	function fetch_property($url, $channel = null) {
+		if (str_starts_with($url, z_root() . '/item/')) {
+			$x = Activity::fetch_local($url, $this->portable_id ?? '');
+			logger('local: ' . print_r($x,true));
+		}
+		if (!$x) {
+			$x = Activity::fetch($url, $channel);
+			if ($x === null && strpos($url, '/channel/')) {
+				// look for other nomadic channels which might be alive
+				$zf = Zotfinger::exec($url, $channel);
+
+				$url = $zf['signature']['signer'];
+				$x = Activity::fetch($url, $channel);
+			}
+		}
+		return $x;
 	}
 
 	static function is_an_actor($s) {
diff --git a/Zotlabs/Web/HTTPSig.php b/Zotlabs/Web/HTTPSig.php
index 2f04003ab..531b18649 100644
--- a/Zotlabs/Web/HTTPSig.php
+++ b/Zotlabs/Web/HTTPSig.php
@@ -4,7 +4,7 @@ namespace Zotlabs\Web;
 
 use DateTime;
 use DateTimeZone;
-use Zotlabs\Lib\ActivityStreams;
+use Zotlabs\Lib\Activity;
 use Zotlabs\Lib\Crypto;
 use Zotlabs\Lib\Keyutils;
 use Zotlabs\Lib\Webfinger;
@@ -324,7 +324,7 @@ class HTTPSig {
 		}
 
 		// The record wasn't in cache. Fetch it now.
-		$r = ActivityStreams::fetch($id);
+		$r = Activity::fetch($id);
 		$signatureAlgorithm = EMPTY_STR;
 
 		if ($r) {
-- 
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