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82 lines
2.1 KiB
Lua
82 lines
2.1 KiB
Lua
-- 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 os_date = os.date;
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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_files_dir", module:get_option_string("http_path", "www_files"));
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local dir_indices = module:get_option("http_files_index", { "index.html", "index.htm" });
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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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function serve_file(event, path)
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local request, response = event.request, event.response;
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local orig_path = request.path;
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local full_path = http_base.."/"..path;
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local attr = stat(full_path);
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if not attr then
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return 404;
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end
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response.headers.last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification);
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local tag = ("%02x-%x-%x-%x"):format(attr.dev or 0, attr.ino or 0, attr.size or 0, attr.modification or 0);
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response.headers.etag = tag;
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if tag == request.headers.if_none_match then
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return 304;
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end
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if attr.mode == "directory" then
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if full_path:sub(-1) ~= "/" then
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response.headers.location = orig_path.."/";
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return 301;
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end
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for i=1,#dir_indices do
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if stat(full_path..dir_indices[i], "mode") == "file" then
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return serve_file(event, path..dir_indices[i]);
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end
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end
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-- TODO File listing
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return 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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module:log("warn", "Failed to open file: %s", err);
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return 404;
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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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return 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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["GET /*"] = serve_file;
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};
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});
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