From 4f03272a5f4c33f6c893b6f56f43fe5e839173b3 Mon Sep 17 00:00:00 2001
From: Mario <mario@mariovavti.com>
Date: Sat, 1 Jul 2023 11:03:26 +0000
Subject: unify code for selecting deliverable abook xchans

---
 include/connections.php | 29 +++++++++++++++++++++++++++++
 include/items.php       | 23 +++++++----------------
 include/text.php        | 18 +++++++++---------
 3 files changed, 45 insertions(+), 25 deletions(-)

(limited to 'include')

diff --git a/include/connections.php b/include/connections.php
index e8415bb25..9a6ee7d8d 100644
--- a/include/connections.php
+++ b/include/connections.php
@@ -67,6 +67,35 @@ function rconnect_url($channel_id,$xchan) {
 
 }
 
+function deliverable_abook_xchans($channel_id, $filter = [], $flatten = true) {
+	$filter_sql = '';
+
+	if ($filter) {
+		$filter_sql = " AND abook_xchan IN (" . protect_sprintf(stringify_array($filter, true)) . ") ";
+	}
+
+	$r = q("SELECT abook_xchan, xchan_network FROM abook LEFT JOIN xchan ON abook_xchan = xchan_hash WHERE
+		abook_channel = %d $filter_sql
+		AND abook_self = 0
+		AND abook_pending = 0
+		AND abook_archived = 0
+		AND abook_not_here = 0
+		AND xchan_network NOT IN ('anon', 'token', 'rss')",
+		intval($channel_id)
+	);
+
+	if (!$r) {
+		return [];
+	}
+
+	if ($flatten) {
+		return ids_to_array($r, 'abook_xchan');
+	}
+
+	return $r;
+}
+
+
 function abook_connections($channel_id, $sql_conditions = '') {
 	$r = q("select * from abook left join xchan on abook_xchan = xchan_hash where abook_channel = %d
 		and abook_self = 0 $sql_conditions",
diff --git a/include/items.php b/include/items.php
index c6aeaa0ed..c832a3075 100644
--- a/include/items.php
+++ b/include/items.php
@@ -53,35 +53,28 @@ function collect_recipients($item, &$private_envelope,$include_groups = true) {
 			$allow_groups = [];
 		}
 
-		$recipients = array_unique(array_merge($allow_people,$allow_groups));
+		$raw_recipients = array_unique(array_merge($allow_people, $allow_groups));
+		$recipients = deliverable_abook_xchans($item['uid'], $raw_recipients);
 
 		// if you specifically deny somebody but haven't allowed anybody, we'll allow everybody in your
 		// address book minus the denied connections. The post is still private and can't be seen publicly
 		// as that would allow the denied person to see the post by logging out.
 
-		if((! $item['allow_cid']) && (! $item['allow_gid'])) {
-			$r = q("select * from abook where abook_channel = %d and abook_self = 0 and abook_pending = 0 and abook_archived = 0 ",
-				intval($item['uid'])
-			);
-
-			if($r) {
-				foreach($r as $rr) {
-					$recipients[] = $rr['abook_xchan'];
-				}
-			}
+		if(!$item['allow_cid'] && !$item['allow_gid']) {
+			$recipients = deliverable_abook_xchans($item['uid']);
 		}
 
 		$deny_people  = expand_acl($item['deny_cid']);
 		$deny_groups  = AccessList::expand(expand_acl($item['deny_gid']));
 
-		$deny = array_unique(array_merge($deny_people,$deny_groups));
+		$deny = array_unique(array_merge($deny_people, $deny_groups));
 
 		// Don't deny anybody if nobody was allowed (e.g. they were all filtered out)
 		// That would lead to array_diff doing the wrong thing.
 		// This will result in a private post that won't be delivered to anybody.
 
 		if($recipients && $deny)
-			$recipients = array_diff($recipients,$deny);
+			$recipients = array_diff($recipients, $deny);
 
 		$private_envelope = true;
 	}
@@ -112,9 +105,7 @@ function collect_recipients($item, &$private_envelope,$include_groups = true) {
 			if ($hookinfo['recipients']) {
 				$r = $hookinfo['recipients'];
 			} else {
-				$r = q("select abook_xchan, xchan_network from abook left join xchan on abook_xchan = xchan_hash where abook_channel = %d and abook_self = 0 and abook_pending = 0 and abook_archived = 0 and abook_not_here = 0 and xchan_network not in ('anon', 'token', 'rss')",
-					intval($item['uid'])
-				);
+				$r = deliverable_abook_xchans($item['uid'], [], false);
 			}
 
 			if($r) {
diff --git a/include/text.php b/include/text.php
index dcf0980c5..c038d3d3d 100644
--- a/include/text.php
+++ b/include/text.php
@@ -2529,26 +2529,26 @@ function check_webbie($arr) {
 	return '';
 }
 
-function ids_to_array($arr,$idx = 'id') {
-	$t = array();
+function ids_to_array($arr, $idx = 'id') {
+	$t = [];
 	if($arr) {
 		foreach($arr as $x) {
-			if(array_key_exists($idx,$x) && strlen($x[$idx]) && (! in_array($x[$idx],$t))) {
+			if(array_key_exists($idx, $x) && strlen($x[$idx]) && (! in_array($x[$idx], $t))) {
 				$t[] = $x[$idx];
 			}
 		}
 	}
-	return($t);
+	return $t;
 }
 
 
 
 
-function ids_to_querystr($arr,$idx = 'id',$quote = false) {
-	$t = array();
+function ids_to_querystr($arr, $idx = 'id', $quote = false) {
+	$t = [];
 	if($arr) {
 		foreach($arr as $x) {
-			if(! in_array($x[$idx],$t)) {
+			if(!in_array($x[$idx], $t)) {
 				if($quote)
 					$t[] = "'" . dbesc($x[$idx]) . "'";
 				else
@@ -2556,7 +2556,7 @@ function ids_to_querystr($arr,$idx = 'id',$quote = false) {
 			}
 		}
 	}
-	return(implode(',', $t));
+	return implode(',', $t);
 }
 
 /**
@@ -2700,7 +2700,7 @@ function stringify_array_elms(&$arr, $escape = false) {
 function stringify_array($arr, $escape = false) {
 	if($arr) {
 		stringify_array_elms($arr, $escape);
-		return(implode(',',$arr));
+		return(implode(',', $arr));
 	}
 	return EMPTY_STR;
 }
-- 
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