view mod_migrate_http_upload/mod_migrate_http_upload.lua @ 4813:0a257d1402c3

mod_muc_rtbl: Optimize case with zero hashes On the assumption that during quiet times between torrents of spam, the hash set would be empty. There would be no point in doing the operations and hashes to check for a match in that case.
author Kim Alvefur <zash@zash.se>
date Mon, 06 Dec 2021 18:19:19 +0100
parents f210f242cf17
children
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-- Copyright (C) 2021 Kim Alvefur
--
-- This file is MIT licensed.

local lfs = require "lfs";
local st = require "util.stanza";
local jid = require "util.jid";
local paths = require "util.paths";
local unpack = table.unpack or _G.unpack;

function module.command(arg)
	local sm = require "core.storagemanager";
	local dm = sm.olddm;

	local component, user_host = unpack(arg);

	sm.initialize_host(component);

	local new_uploads = sm.open(component, "uploads", "archive");

	local legacy_storage_path = module:context(component):get_option_string("http_upload_path", paths.join(prosody.paths.data, "http_upload"));

	local legacy_uploads = {};
	for user in assert(dm.users(user_host, "http_upload", "list")) do
		legacy_uploads[user] = dm.list_load(user, user_host, "http_upload");
	end
	while true do
		local oldest_uploads, uploader;
		for user, uploads in pairs(legacy_uploads) do
			if uploads[1] and (not oldest_uploads or uploads[1].time < oldest_uploads[1].time) then
				oldest_uploads, uploader = uploads, jid.join(user, user_host);
			end
		end
		if not oldest_uploads then break end
		local item = table.remove(oldest_uploads, 1);
		local source_directory = paths.join(legacy_storage_path, item.dir);
		local source_filename = paths.join(source_directory, item.filename);
		local target_filename = dm.getpath(item.dir, component, "http_file_share", "bin", true);
		if not lfs.attributes(source_filename, "mode") then
			print("Not migrating missing file " .. source_filename);
		else
			print("Moving " .. source_filename .. " to " .. target_filename .. " for " .. uploader);
			local upload = st.stanza("request", {
				xmlns = "urn:xmpp:http:upload:0";
				filename = item.filename;
				size = string.format("%d", item.size);
				-- content-type not included with mod_http_upload
			});
			assert(new_uploads:append(nil, item.dir, upload, item.time, uploader));
			assert(os.rename(source_filename, target_filename));
		end
		os.remove(source_directory); -- failure not fatal
	end
	for user, uploads in pairs(legacy_uploads) do
		assert(dm.list_store(user, user_host, "http_upload", uploads));
	end
	os.remove(legacy_storage_path);
	return 0;
end