From 35d42f86265f9ce9dfaaae0298c35d056d0e9ed8 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Tue, 17 Jun 2014 19:21:46 -0700
Subject: access control modification functions (item specific - we may need
 these for several data types)

---
 include/items.php    | 35 +++++++++++++++++++++++++++++++++++
 include/security.php |  1 +
 2 files changed, 36 insertions(+)

(limited to 'include')

diff --git a/include/items.php b/include/items.php
index 275f5c05c..f71ebd503 100755
--- a/include/items.php
+++ b/include/items.php
@@ -4302,3 +4302,38 @@ function update_remote_id($channel,$post_id,$webpage,$pagetitle,$namespace,$remo
 }
 
 
+
+/**
+ * change access control for item with message_id $mid and channel_id $uid
+ */
+
+
+function item_add_cid($xchan_hash,$mid,$uid) {
+	$r = q("select id from item where mid = '%s' and uid = %d and allow_cid like '%s'",
+		dbesc($mid),
+		intval($uid),
+		dbesc('<' . $xchan_hash . '>')
+	);
+	if(! $r) {
+		$r = q("update item set allow_cid = concat(allow_cid,'%s') where mid = '%s' and uid = %d limit 1",
+			dbesc('<' . $xchan_hash . '>'),
+			dbesc($mid),
+			intval($uid)
+		);
+	}
+}
+
+function item_remove_cid($xchan_hash,$mid,$uid) {
+	$r = q("select allow_cid from item where mid = '%s' and uid = %d and allow_cid like '%s'",
+		dbesc($mid),
+		intval($uid),
+		dbesc('<' . $xchan_hash . '>')
+	);
+	if($r) {
+		$x = q("update item set allow_cid = '%s' where mid = '%s' and uid = %d limit 1",
+			dbesc(str_replace('<' . $xchan_hash . '>','',$r[0]['allow_cid'])),
+			dbesc($mid),
+			intval($uid)
+		);
+	}
+}
diff --git a/include/security.php b/include/security.php
index 53161e427..285c4a231 100644
--- a/include/security.php
+++ b/include/security.php
@@ -397,3 +397,4 @@ function stream_perms_xchans($perms_min = PERMS_SITE) {
 	logger('stream_perms_xchans: ' . $str, LOGGER_DEBUG);
 	return $str;
 }
+
-- 
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