From 5014a921a4d00f87b5c89aebc973489eccc7a17d Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Mon, 17 Apr 2023 12:18:28 +0800
Subject: [PATCH] :art: Check the validity of the API `moveBlock` parameter
 `previousID` Fix https://github.com/siyuan-note/siyuan/issues/8007

---
 kernel/api/block_op.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/kernel/api/block_op.go b/kernel/api/block_op.go
index f5df3a91d..3e70a740e 100644
--- a/kernel/api/block_op.go
+++ b/kernel/api/block_op.go
@@ -55,6 +55,13 @@ func moveBlock(c *gin.Context) {
 		if util.InvalidIDPattern(previousID, ret) {
 			return
 		}
+
+		// Check the validity of the API `moveBlock` parameter `previousID` https://github.com/siyuan-note/siyuan/issues/8007
+		if bt := treenode.GetBlockTree(previousID); nil == bt || "d" == bt.Type {
+			ret.Code = -1
+			ret.Msg = "`previousID` can not be the ID of a document"
+			return
+		}
 	}
 
 	transactions := []*model.Transaction{