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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
module:depends("http");
local lfs = require "lfs";
local open = io.open;
local stat = lfs.attributes;
local http_base = module:get_option_string("http_path", "www_files");
local response_400 = "<h1>Bad Request</h1>Sorry, we didn't understand your request :(";
local response_403 = "<h1>Forbidden</h1>You don't have permission to view the contents of this directory :(";
local response_404 = "<h1>Page Not Found</h1>Sorry, we couldn't find what you were looking for :(";
-- TODO: Should we read this from /etc/mime.types if it exists? (startup time...?)
local mime_map = {
html = "text/html";
htm = "text/html";
xml = "text/xml";
xsl = "text/xml";
txt = "text/plain; charset=utf-8";
js = "text/javascript";
css = "text/css";
};
local function preprocess_path(path)
if path:sub(1,1) ~= "/" then
path = "/"..path;
end
local level = 0;
for component in path:gmatch("([^/]+)/") do
if component == ".." then
level = level - 1;
elseif component ~= "." then
level = level + 1;
end
if level < 0 then
return nil;
end
end
return path;
end
function serve_file(request, path)
local response = request.response;
path = path and preprocess_path(path);
if not path then
response.status = 400;
return response:send(response_400);
end
local full_path = http_base..path;
if stat(full_path, "mode") == "directory" then
if stat(full_path.."/index.html", "mode") == "file" then
return serve_file(request, path.."/index.html");
end
response.status = 403;
return response:send(response_403);
end
local f, err = open(full_path, "rb");
if not f then
response.status = 404;
return response:send(response_404.."<br/>"..tostring(err));
end
local data = f:read("*a");
f:close();
if not data then
response.status = 403;
return response:send(response_403);
end
local ext = path:match("%.([^.]*)$");
response.headers.content_type = mime_map[ext]; -- Content-Type should be nil when not known
return response:send(data);
end
module:provides("http", {
route = {
["/*"] = serve_file;
};
});
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