prosody
8d116a0cdacd
plugins/mod_http_files.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

plugins/mod_http_files.lua @ 5236:8d116a0cdacd

mod_http_files: Cache data read from disk in a weak table
author Kim Alvefur <zash@zash.se>
date Tue, 11 Dec 2012 23:02:06 +0100
parent 5235:e0373e0dd048
child 5237:b1038f449e15
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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
5235
e0373e0dd048 mod_http_files: Add Last-Modified header
Kim Alvefur <zash@zash.se>
parents: 5234
diff changeset
12 local os_date = os.date;
635
25f1117d7886 Add initial mod_httpserver for serving static content
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 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
14 local stat = lfs.attributes;
635
25f1117d7886 Add initial mod_httpserver for serving static content
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15
4703
684ea42ca77a mod_http_files: Change option name from http_path to http_files_dir
Matthew Wild <mwild1@gmail.com>
parents: 4701
diff changeset
16 local http_base = module:get_option_string("http_files_dir", module:get_option_string("http_path", "www_files"));
5232
c9bb5879e193 mod_http_files: Configurable number of index files to check for
Kim Alvefur <zash@zash.se>
parents: 4868
diff changeset
17 local dir_indices = module:get_option("http_files_index", { "index.html", "index.htm" });
635
25f1117d7886 Add initial mod_httpserver for serving static content
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18
2771
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
19 -- 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
20 local mime_map = {
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
21 html = "text/html";
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
22 htm = "text/html";
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
23 xml = "text/xml";
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
24 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
25 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
26 js = "text/javascript";
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
27 css = "text/css";
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
28 };
c9834f338a4e mod_httpserver: Return Content-Type header based on file extension.
Waqas Hussain <waqas20@gmail.com>
parents: 1870
diff changeset
29
5236
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
30 local cache = setmetatable({}, { __mode = "kv" }); -- Let the garbage collector have it if it wants to.
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
31
4672
e17fe44146b0 mod_http_files: Rename argument to reflect what it actually is
Kim Alvefur <zash@zash.se>
parents: 4671
diff changeset
32 function serve_file(event, path)
5233
342c46e62f50 mod_http_files: Return 404 faster if file does not exist
Kim Alvefur <zash@zash.se>
parents: 5232
diff changeset
33 local request, response = event.request, event.response;
342c46e62f50 mod_http_files: Return 404 faster if file does not exist
Kim Alvefur <zash@zash.se>
parents: 5232
diff changeset
34 local orig_path = request.path;
4716
6eeb142a8073 mod_http_files, net.http.parser: Move path normalization to net.http.parser so that all modules can benefit
Matthew Wild <mwild1@gmail.com>
parents: 4703
diff changeset
35 local full_path = http_base.."/"..path;
5233
342c46e62f50 mod_http_files: Return 404 faster if file does not exist
Kim Alvefur <zash@zash.se>
parents: 5232
diff changeset
36 local attr = stat(full_path);
342c46e62f50 mod_http_files: Return 404 faster if file does not exist
Kim Alvefur <zash@zash.se>
parents: 5232
diff changeset
37 if not attr then
342c46e62f50 mod_http_files: Return 404 faster if file does not exist
Kim Alvefur <zash@zash.se>
parents: 5232
diff changeset
38 return 404;
342c46e62f50 mod_http_files: Return 404 faster if file does not exist
Kim Alvefur <zash@zash.se>
parents: 5232
diff changeset
39 end
342c46e62f50 mod_http_files: Return 404 faster if file does not exist
Kim Alvefur <zash@zash.se>
parents: 5232
diff changeset
40
5235
e0373e0dd048 mod_http_files: Add Last-Modified header
Kim Alvefur <zash@zash.se>
parents: 5234
diff changeset
41 response.headers.last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification);
5234
a9f0a1becc66 mod_http_files: Add ETag and check If-None-Match to allow client-side cache
Kim Alvefur <zash@zash.se>
parents: 5233
diff changeset
42
a9f0a1becc66 mod_http_files: Add ETag and check If-None-Match to allow client-side cache
Kim Alvefur <zash@zash.se>
parents: 5233
diff changeset
43 local tag = ("%02x-%x-%x-%x"):format(attr.dev or 0, attr.ino or 0, attr.size or 0, attr.modification or 0);
a9f0a1becc66 mod_http_files: Add ETag and check If-None-Match to allow client-side cache
Kim Alvefur <zash@zash.se>
parents: 5233
diff changeset
44 response.headers.etag = tag;
a9f0a1becc66 mod_http_files: Add ETag and check If-None-Match to allow client-side cache
Kim Alvefur <zash@zash.se>
parents: 5233
diff changeset
45 if tag == request.headers.if_none_match then
a9f0a1becc66 mod_http_files: Add ETag and check If-None-Match to allow client-side cache
Kim Alvefur <zash@zash.se>
parents: 5233
diff changeset
46 return 304;
a9f0a1becc66 mod_http_files: Add ETag and check If-None-Match to allow client-side cache
Kim Alvefur <zash@zash.se>
parents: 5233
diff changeset
47 end
a9f0a1becc66 mod_http_files: Add ETag and check If-None-Match to allow client-side cache
Kim Alvefur <zash@zash.se>
parents: 5233
diff changeset
48
5236
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
49 local data = cache[path];
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
50 if data then
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
51 response.headers.content_type = data.content_type;
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
52 data = data.data;
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
53 elseif attr.mode == "directory" then
4868
550f0a5e85c5 mod_http_files: Respond with a 301 redirect for directories to append a / (fixes relative links)
Kim Alvefur <zash@zash.se>
parents: 4722
diff changeset
54 if full_path:sub(-1) ~= "/" then
550f0a5e85c5 mod_http_files: Respond with a 301 redirect for directories to append a / (fixes relative links)
Kim Alvefur <zash@zash.se>
parents: 4722
diff changeset
55 response.headers.location = orig_path.."/";
550f0a5e85c5 mod_http_files: Respond with a 301 redirect for directories to append a / (fixes relative links)
Kim Alvefur <zash@zash.se>
parents: 4722
diff changeset
56 return 301;
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 end
5232
c9bb5879e193 mod_http_files: Configurable number of index files to check for
Kim Alvefur <zash@zash.se>
parents: 4868
diff changeset
58 for i=1,#dir_indices do
c9bb5879e193 mod_http_files: Configurable number of index files to check for
Kim Alvefur <zash@zash.se>
parents: 4868
diff changeset
59 if stat(full_path..dir_indices[i], "mode") == "file" then
c9bb5879e193 mod_http_files: Configurable number of index files to check for
Kim Alvefur <zash@zash.se>
parents: 4868
diff changeset
60 return serve_file(event, path..dir_indices[i]);
c9bb5879e193 mod_http_files: Configurable number of index files to check for
Kim Alvefur <zash@zash.se>
parents: 4868
diff changeset
61 end
4868
550f0a5e85c5 mod_http_files: Respond with a 301 redirect for directories to append a / (fixes relative links)
Kim Alvefur <zash@zash.se>
parents: 4722
diff changeset
62 end
550f0a5e85c5 mod_http_files: Respond with a 301 redirect for directories to append a / (fixes relative links)
Kim Alvefur <zash@zash.se>
parents: 4722
diff changeset
63
550f0a5e85c5 mod_http_files: Respond with a 301 redirect for directories to append a / (fixes relative links)
Kim Alvefur <zash@zash.se>
parents: 4722
diff changeset
64 -- TODO File listing
4700
63386138e393 mod_http_files: Return numeric error codes instead of custom error responses
Matthew Wild <mwild1@gmail.com>
parents: 4672
diff changeset
65 return 403;
5236
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
66 else
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
67 local f = open(full_path, "rb");
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
68 data = f and f:read("*a");
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
69 f:close();
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
70 if not data then
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
71 return 403;
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
72 end
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
73 local ext = path:match("%.([^.]*)$");
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
74 local content_type = mime_map[ext];
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
75 cache[path] = { data = data; content_type = content_type; };
8d116a0cdacd mod_http_files: Cache data read from disk in a weak table
Kim Alvefur <zash@zash.se>
parents: 5235
diff changeset
76 response.headers.content_type = content_type;
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
77 end
5233
342c46e62f50 mod_http_files: Return 404 faster if file does not exist
Kim Alvefur <zash@zash.se>
parents: 5232
diff changeset
78
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
79 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
80 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
81
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
82 module:provides("http", {
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
83 route = {
4722
1138fd3d5846 mod_http_files: Specify method in HTTP route
Matthew Wild <mwild1@gmail.com>
parents: 4716
diff changeset
84 ["GET /*"] = serve_file;
4670
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
85 };
bd5e5e23942a mod_httpserver: Adapt to use the new HTTP API
Kim Alvefur <zash@zash.se>
parents: 3353
diff changeset
86 });
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
87