From 3d0a077ca08da8c0cd68139cecd7366e573bbbbe Mon Sep 17 00:00:00 2001
From: Xiaoyan Rao <270668624@qq.com>
Date: Mon, 13 Jan 2025 16:01:18 +0800
Subject: [PATCH] fix(file-log): throw an error `No such file or directory`
 when the `path` has a whitespace at the beginning or end.

---
 .../fix_file_path_not_allowed_whitespace.yml  |  3 ++
 kong/plugins/file-log/schema.lua              |  2 +-
 .../03-plugins/04-file-log/02-schema_spec.lua | 41 +++++++++++++++++++
 3 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 changelog/unreleased/kong/fix_file_path_not_allowed_whitespace.yml

diff --git a/changelog/unreleased/kong/fix_file_path_not_allowed_whitespace.yml b/changelog/unreleased/kong/fix_file_path_not_allowed_whitespace.yml
new file mode 100644
index 00000000000..89740a42060
--- /dev/null
+++ b/changelog/unreleased/kong/fix_file_path_not_allowed_whitespace.yml
@@ -0,0 +1,3 @@
+message: "**file-log**: Fixed an issue where the path does not allow whitespace at the beginning or end."
+type: bugfix
+scope: Plugin
\ No newline at end of file
diff --git a/kong/plugins/file-log/schema.lua b/kong/plugins/file-log/schema.lua
index 67a8590d021..e6b7213f696 100644
--- a/kong/plugins/file-log/schema.lua
+++ b/kong/plugins/file-log/schema.lua
@@ -10,7 +10,7 @@ return {
         fields = {
           { path = { description = "The file path of the output log file. The plugin creates the log file if it doesn't exist yet.", type = "string",
                      required = true,
-                     match = [[^[^*&%%\`]+$]],
+                     match = [[^[^%s*&%%\\`]+$]],
                      err = "not a valid filename",
           }, },
           { reopen = { description = "Determines whether the log file is closed and reopened on every request.", type = "boolean", required = true, default = false }, },
diff --git a/spec/03-plugins/04-file-log/02-schema_spec.lua b/spec/03-plugins/04-file-log/02-schema_spec.lua
index 17a815dad34..7c2de262dc2 100644
--- a/spec/03-plugins/04-file-log/02-schema_spec.lua
+++ b/spec/03-plugins/04-file-log/02-schema_spec.lua
@@ -30,6 +30,47 @@ describe("Plugin: file-log (schema)", function()
       }
     },
     ----------------------------------------
+    {
+      name = "beginning spaces are not allowed",
+      input = {
+        path = " /ovo",
+        reopen = true
+      },
+      output = nil,
+      error = {
+        config = {
+          path = "not a valid filename"
+        }
+      }
+    },
+    {
+      name = "beginning spaces are not allowed",
+      input = {
+        path = "/ov\\o",
+        reopen = true
+      },
+      output = nil,
+      error = {
+        config = {
+          path = "not a valid filename"
+        }
+      }
+    },
+    ----------------------------------------
+    {
+      name = "trailing spaces are not allowed",
+      input = {
+        path = "/ovo ",
+        reopen = true
+      },
+      output = nil,
+      error = {
+        config = {
+          path = "not a valid filename"
+        }
+      }
+    },
+    --------------------------------------
     {
       name = "accepts valid filename",
       input = {