plugins/mod_httpserver.lua
author Kim Alvefur <zash@zash.se>
Mon, 23 Apr 2012 23:36:50 +0200
changeset 4670 bd5e5e23942a
parent 3353 cd3cbf361f8f
permissions -rw-r--r--
mod_httpserver: Adapt to use the new HTTP API
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1522
569d58d21612 Add copyright header to those files missing one
Matthew Wild <mwild1@gmail.com>
parents: 1384
diff changeset
     1
-- Prosody IM
2923
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents: 2785
diff changeset
     2
-- Copyright (C) 2008-2010 Matthew Wild
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents: 2785
diff changeset
     3
-- Copyright (C) 2008-2010 Waqas Hussain
1522
569d58d21612 Add copyright header to those files missing one
Matthew Wild <mwild1@gmail.com>
parents: 1384
diff changeset
     4
-- 
569d58d21612 Add copyright header to those files missing one
Matthew Wild <mwild1@gmail.com>
parents: 1384
diff changeset
     5
-- This project is MIT/X11 licensed. Please see the
569d58d21612 Add copyright header to those files missing one
Matthew Wild <mwild1@gmail.com>
parents: 1384
diff changeset
     6
-- COPYING file in the source package for more information.
569d58d21612 Add copyright header to those files missing one
Matthew Wild <mwild1@gmail.com>
parents: 1384
diff changeset
     7
--
569d58d21612 Add copyright header to those files missing one
Matthew Wild <mwild1@gmail.com>
parents: 1384
diff changeset
     8
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
     9
module:depends("http");
3353
cd3cbf361f8f mod_httpserver: Serve index.html if a request is made for a directory and it contains one (thanks Brian Cully)
Matthew Wild <mwild1@gmail.com>
parents: 2925
diff changeset
    10
local lfs = require "lfs";
635
25f1117d7886 Add initial mod_httpserver for serving static content
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
    11
25f1117d7886 Add initial mod_httpserver for serving static content
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
    12
local open = io.open;
3353
cd3cbf361f8f mod_httpserver: Serve index.html if a request is made for a directory and it contains one (thanks Brian Cully)
Matthew Wild <mwild1@gmail.com>
parents: 2925
diff changeset
    13
local stat = lfs.attributes;
635
25f1117d7886 Add initial mod_httpserver for serving static content
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
    14
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    15
local http_base = module:get_option_string("http_path", "www_files");
635
25f1117d7886 Add initial mod_httpserver for serving static content
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
    16
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    17
local response_400 = "<h1>Bad Request</h1>Sorry, we didn't understand your request :(";
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    18
local response_403 = "<h1>Forbidden</h1>You don't have permission to view the contents of this directory :(";
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    19
local response_404 = "<h1>Page Not Found</h1>Sorry, we couldn't find what you were looking for :(";
635
25f1117d7886 Add initial mod_httpserver for serving static content
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
    20
2771
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    21
-- TODO: Should we read this from /etc/mime.types if it exists? (startup time...?)
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    22
local mime_map = {
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    23
	html = "text/html";
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    24
	htm = "text/html";
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    25
	xml = "text/xml";
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    26
	xsl = "text/xml";
2776
bdca5025fb46 mod_httpserver: Text files are text/plain, and not plain/text.
Waqas Hussain <waqas20@gmail.com>
parents: 2774
diff changeset
    27
	txt = "text/plain; charset=utf-8";
2771
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    28
	js = "text/javascript";
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    29
	css = "text/css";
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    30
};
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    31
1667
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    32
local function preprocess_path(path)
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    33
	if path:sub(1,1) ~= "/" then
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    34
		path = "/"..path;
1770
3e17002221eb mod_httpserver: Backport from trunk more thorough validation of URLs prior to processing
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    35
	end
1667
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    36
	local level = 0;
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    37
	for component in path:gmatch("([^/]+)/") do
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    38
		if component == ".." then
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    39
			level = level - 1;
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    40
		elseif component ~= "." then
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    41
			level = level + 1;
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    42
		end
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    43
		if level < 0 then
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    44
			return nil;
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    45
		end
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    46
	end
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    47
	return path;
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    48
end
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    49
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    50
function serve_file(request, path)
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    51
	local response = request.response;
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    52
	path = path and preprocess_path(path);
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    53
	if not path then
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    54
		response.status = 400;
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    55
		return response:send(response_400);
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    56
	end
3353
cd3cbf361f8f mod_httpserver: Serve index.html if a request is made for a directory and it contains one (thanks Brian Cully)
Matthew Wild <mwild1@gmail.com>
parents: 2925
diff changeset
    57
	local full_path = http_base..path;
cd3cbf361f8f mod_httpserver: Serve index.html if a request is made for a directory and it contains one (thanks Brian Cully)
Matthew Wild <mwild1@gmail.com>
parents: 2925
diff changeset
    58
	if stat(full_path, "mode") == "directory" then
cd3cbf361f8f mod_httpserver: Serve index.html if a request is made for a directory and it contains one (thanks Brian Cully)
Matthew Wild <mwild1@gmail.com>
parents: 2925
diff changeset
    59
		if stat(full_path.."/index.html", "mode") == "file" then
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    60
			return serve_file(request, path.."/index.html");
3353
cd3cbf361f8f mod_httpserver: Serve index.html if a request is made for a directory and it contains one (thanks Brian Cully)
Matthew Wild <mwild1@gmail.com>
parents: 2925
diff changeset
    61
		end
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    62
		response.status = 403;
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    63
		return response:send(response_403);
3353
cd3cbf361f8f mod_httpserver: Serve index.html if a request is made for a directory and it contains one (thanks Brian Cully)
Matthew Wild <mwild1@gmail.com>
parents: 2925
diff changeset
    64
	end
cd3cbf361f8f mod_httpserver: Serve index.html if a request is made for a directory and it contains one (thanks Brian Cully)
Matthew Wild <mwild1@gmail.com>
parents: 2925
diff changeset
    65
	local f, err = open(full_path, "rb");
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    66
	if not f then
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    67
		response.status = 404;
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    68
		return response:send(response_404.."<br/>"..tostring(err));
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    69
	end
635
25f1117d7886 Add initial mod_httpserver for serving static content
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
    70
	local data = f:read("*a");
25f1117d7886 Add initial mod_httpserver for serving static content
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
    71
	f:close();
2785
08e0659ba1f2 mod_httpserver: Rudimentary directory detection, return forbidden instead of causing a traceback (since commit 0325f241a26c)
Matthew Wild <mwild1@gmail.com>
parents: 2776
diff changeset
    72
	if not data then
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    73
		response.status = 403;
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    74
		return response:send(response_403);
2785
08e0659ba1f2 mod_httpserver: Rudimentary directory detection, return forbidden instead of causing a traceback (since commit 0325f241a26c)
Matthew Wild <mwild1@gmail.com>
parents: 2776
diff changeset
    75
	end
2771
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
    76
	local ext = path:match("%.([^.]*)$");
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    77
	response.headers.content_type = mime_map[ext]; -- Content-Type should be nil when not known
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    78
	return response:send(data);
1667
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    79
end
1770
3e17002221eb mod_httpserver: Backport from trunk more thorough validation of URLs prior to processing
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    80
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    81
module:provides("http", {
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    82
	route = {
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    83
		["/*"] = serve_file;
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    84
	};
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
    85
});
1667
c7bb2264e3b8 mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
Matthew Wild <mwild1@gmail.com>
parents: 1552
diff changeset
    86