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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");
-- 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(event, path)
local response = event.response;
path = path and preprocess_path(path);
if not path then
return 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(event, path.."/index.html");
end
return 403;
end
local f, err = open(full_path, "rb");
if not f then
module:log("warn", "Failed to open file: %s", err);
return 404;
end
local data = f:read("*a");
f:close();
if not data then
return 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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