mirror of
https://github.com/bjc/prosody.git
synced 2025-04-04 13:47:41 +03:00
88 lines
2.5 KiB
Lua
88 lines
2.5 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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local httpserver = require "net.httpserver";
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local open = io.open;
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local t_concat = table.concat;
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local http_base = config.get("*", "core", "http_path") or "www_files";
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local response_400 = { status = "400 Bad Request", body = "<h1>Bad Request</h1>Sorry, we didn't understand your request :(" };
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local response_403 = { status = "403 Forbidden", body = "<h1>Forbidden</h1>You don't have permission to view the contents of this directory :(" };
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local response_404 = { status = "404 Not Found", body = "<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(path)
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local f, err = open(http_base..path, "rb");
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if not f then return response_404; 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 response_403;
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end
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local ext = path:match("%.([^.]*)$");
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local mime = mime_map[ext]; -- Content-Type should be nil when not known
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return {
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headers = { ["Content-Type"] = mime; };
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body = data;
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};
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end
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local function handle_file_request(method, body, request)
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local path = preprocess_path(request.url.path);
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if not path then return response_400; end
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path = path:gsub("^/[^/]+", ""); -- Strip /files/
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return serve_file(path);
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end
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local function handle_default_request(method, body, request)
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local path = preprocess_path(request.url.path);
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if not path then return response_400; end
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return serve_file(path);
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end
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local function setup()
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local ports = config.get(module.host, "core", "http_ports") or { 5280 };
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httpserver.set_default_handler(handle_default_request);
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httpserver.new_from_config(ports, handle_file_request, { base = "files" });
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end
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if prosody.start_time then -- already started
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setup();
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else
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prosody.events.add_handler("server-started", setup);
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end
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