Dependencies
/
lua-json
mirror of https://github.com/rxi/json.lua.git
1
0
Fork 1
Code Issues Packages Projects Releases Wiki Activity

Added check to prevent sparse arrays > 100 getting through

pull/28/head
Milind Gupta 2023-11-24 21:41:40 -08:00
parent f521e4ac03
commit 75127d2c7d
1 changed files with 34 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
json.lua
View File

@ -68,6 +68,7 @@ local function encode_table(val, stack)
local array = true local array = true
local length = 0 local length = 0
local nLen = 0 local nLen = 0
local count = 0
for k,v in pairs(val) do for k,v in pairs(val) do
if (type(k) ~= "number" or k<=0) and not (k == "n" and type(v) == "number") then if (type(k) ~= "number" or k<=0) and not (k == "n" and type(v) == "number") then
array = nil array = nil
@ -79,20 +80,20 @@ local function encode_table(val, stack)
if k == "n" and type(v) == "number" then if k == "n" and type(v) == "number" then
nLen = v nLen = v
end end
count = count + 1
end end
end end
if array then
if nLen > length then if nLen > length then
length = nLen length = nLen
end end
if array and not (length > 100 and count ~= length) then -- Check Array detected but sparse > 100 length then treat as object
-- Encode -- Encode
for i=1,length do for i=1,length do
table.insert(res, encode(val[i], stack)) table.insert(res, encode(val[i], stack))
end end
stack[val] = nil stack[val] = nil
return "[" .. table.concat(res, ",") .. "]" return "[" .. table.concat(res, ",") .. "]"
else else
-- Treat as an object -- Treat as an object
for k, v in pairs(val) do for k, v in pairs(val) do