view mod_storage_xmlarchive/datamanager_append_raw.lib.lua @ 5186:fa3059e653fa

mod_http_oauth2: Implement the Implicit flow Everyone says this is insecure and bad, but it's also the only thing that makes sense for e.g. pure JavaScript clients, but hey implement this even more complicated thing instead!
author Kim Alvefur <zash@zash.se>
date Thu, 02 Mar 2023 22:06:50 +0100
parents f4ab0966ba89
children
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local io_open = io.open;
local dm = require "core.storagemanager".olddm;

-- Append a blob of data to a file
function dm.append_raw(username, host, datastore, ext, data)
	if type(data) ~= "string" then return; end
	local filename = dm.getpath(username, host, datastore, ext, true);

	local ok;
	local f, msg = io_open(filename, "r+");
	if not f then
		-- File did probably not exist, let's create it
		f, msg = io_open(filename, "w");
		if not f then
			return nil, msg, "open";
		end
	end

	local pos = f:seek("end");

	ok, msg = f:write(data);
	if not ok then
		f:close();
		return ok, msg, "write";
	end

	ok, msg = f:close();
	if not ok then
		return ok, msg;
	end

	return true, pos;
end