Add minetest.safe_write_file() to script API

2 files changed, 21 insertions, 0 deletions

diff --git a/src/script/lua_api/l_util.cpp b/src/script/lua_api/l_util.cpp
index ef4df8182..839c4be11 100644
--- a/src/script/lua_api/l_util.cpp
+++ b/src/script/lua_api/l_util.cpp
@@ -357,6 +357,23 @@ int ModApiUtil::l_get_dir_list(lua_State *L)
 	return 1;
 }
 
+// safe_file_write(path, content)
+int ModApiUtil::l_safe_file_write(lua_State *L)
+{
+	NO_MAP_LOCK_REQUIRED;
+	const char *path = luaL_checkstring(L, 1);
+	size_t size;
+	const char *content = luaL_checklstring(L, 2, &size);
+
+	CHECK_SECURE_PATH(L, path, true);
+
+	bool ret = fs::safeWriteToFile(path, std::string(content, size));
+	lua_pushboolean(L, ret);
+
+	return 1;
+}
+
+// request_insecure_environment()
 int ModApiUtil::l_request_insecure_environment(lua_State *L)
 {
 	NO_MAP_LOCK_REQUIRED;
@@ -476,6 +493,7 @@ void ModApiUtil::Initialize(lua_State *L, int top)
 
 	API_FCT(mkdir);
 	API_FCT(get_dir_list);
+	API_FCT(safe_file_write);
 
 	API_FCT(request_insecure_environment);
 
diff --git a/src/script/lua_api/l_util.h b/src/script/lua_api/l_util.h
index e17425d73..4392a4339 100644
--- a/src/script/lua_api/l_util.h
+++ b/src/script/lua_api/l_util.h
@@ -80,6 +80,9 @@ private:
 	// get_dir_list(path, is_dir)
 	static int l_get_dir_list(lua_State *L);
 
+	// safe_file_write(path, content)
+	static int l_safe_file_write(lua_State *L);
+
 	// request_insecure_environment()
 	static int l_request_insecure_environment(lua_State *L);