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mod_client_management: Include software version in table (when known) Showing software versions could be useful for statistical reasons, e.g. determining how quickly (or not) users upgrade, but most importantly for revoking vulnerable clients versions in case of a security issue.
author Kim Alvefur <zash@zash.se>
date Thu, 13 Jul 2023 23:26:02 +0200
parents 7dbde05b48a9
children
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-- Prosody IM
-- Copyright (C) 2012 Kim Alvefur
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--

module:set_global();
local server = require"net.http.server";
local lfs = require "lfs";
local stat = lfs.attributes;
local build_path = require"socket.url".build_path;
local base64_encode = require"util.encodings".base64.encode;
local tag = require"util.stanza".stanza;
local template = require"util.template";

local mime = module:shared("/*/http_files/mime");

local function get_resource(resource)
	local fh = assert(module:load_resource(resource));
	local data = fh:read"*a";
	fh:close();
	return data;
end

local dir_index_template = template(get_resource("resources/template.html"));
local style = get_resource("resources/style.css"):gsub("url%((.-)%)", function(url)
	--module:log("debug", "Inlineing %s", url);
	return "url(data:image/png;base64,"..base64_encode(get_resource("resources/"..url))..")";
end);

local function generate_directory_index(path, full_path)
	local filelist = tag("ul", { class = "filelist" } ):text"\n";
	if path ~= "/" then
		filelist:tag("li", { class = "parent directory" })
			:tag("a", { href = "..", rel = "up" }):text("Parent Directory"):up():up():text"\n"
	end
	local mime_map = mime.types;
	for file in lfs.dir(full_path) do
		if file:sub(1,1) ~= "." then
			local attr = stat(full_path..file) or {};
			local path = { file };
			local file_ext = file:match"%.([^.]+)$";
			local type = attr.mode == "file" and file_ext and mime_map and mime_map[file_ext] or nil;
			local class = table.concat({ attr.mode or "unknown", file_ext, type and type:match"^[^/]+" }, " ");
			path.is_directory = attr.mode == "directory";
			filelist:tag("li", { class = class })
				:tag("a", { href = build_path(path), type = type }):text(file):up()
			:up():text"\n";
		end
	end
	return "<!DOCTYPE html>\n"..tostring(dir_index_template.apply{
		path = path,
		style = style,
		filelist = filelist,
		footer = "Prosody "..prosody.version,
	});
end

module:hook_object_event(server, "directory-index", function (event)
	local ok, data = pcall(generate_directory_index, event.path, event.full_path);
	if ok then return data end
	module:log("warn", data);
end);