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