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Ensure fn is a string path

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Connor O'Connor
2025-12-08 03:32:12 -05:00
parent f6bf18efaa
commit 33f5ec9bbe
1 changed files with 3 additions and 0 deletions
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src/lua-env-safe.lua
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@@ -62,6 +62,9 @@ local disallowed_exts = tmap {
-- Return: clean file path if allowed (or nil if disallowed), -- Return: clean file path if allowed (or nil if disallowed),
-- error string (or nil if allowed) -- error string (or nil if allowed)
local function safe_path(fn, readonly) local function safe_path(fn, readonly)
if type(fn) ~= 'string' then
return nil, 'Filename must be a string'
end
fn = fn:gsub('\\', '/') fn = fn:gsub('\\', '/')
fn = fn:gsub('^ +', '') fn = fn:gsub('^ +', '')
fn = fn:gsub(' +$', '') fn = fn:gsub(' +$', '')