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Check for valid base64 before decoding (#9904)

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Lejo1
2020-05-20 21:54:52 +02:00
committed by SmallJoker
parent 7ab0c0662a
commit e79bc40c0a
2 changed files with 7 additions and 3 deletions
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8
src/script/lua_api/l_util.cpp
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@@ -318,9 +318,13 @@ int ModApiUtil::l_decode_base64(lua_State *L)
NO_MAP_LOCK_REQUIRED;
size_t size;
const char *data = luaL_checklstring(L, 1, &size);
const char *d = luaL_checklstring(L, 1, &size);
const std::string data = std::string(d, size);
std::string out = base64_decode(std::string(data, size));
if (!base64_is_valid(data))
return 0;
std::string out = base64_decode(data);
lua_pushlstring(L, out.data(), out.size());
return 1;