prosody-modules
45f7e3c2557f
mod_http_upload/mod_http_upload.lua

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

Software / code / prosody-modules

Annotate

mod_http_upload/mod_http_upload.lua @ 1772:45f7e3c2557f

mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
author Kim Alvefur <zash@zash.se>
date Sat, 18 Jul 2015 23:05:09 +0200
child 1805:25c28644fae8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- mod_http_upload
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 --
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 -- Copyright (C) 2015 Kim Alvefur
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 --
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 -- This file is MIT/X11 licensed.
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 --
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 -- Implementation of HTTP Upload file transfer mechanism used by Conversations
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 --
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 -- imports
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 local st = require"util.stanza";
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local lfs = require"lfs";
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local join_path = require"util.paths".join;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 local uuid = require"util.uuid".generate;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 -- depends
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 module:depends("http");
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 -- namespace
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 local xmlns_http_upload = "eu:siacs:conversations:http:upload";
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 module:add_feature(xmlns_http_upload);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 -- state
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 local pending_slots = module:shared("upload_slots");
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 local storage_path = join_path(prosody.paths.data, module.name);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 lfs.mkdir(storage_path);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 -- hooks
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 module:hook("iq/host/"..xmlns_http_upload..":request", function (event)
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 local stanza, origin = event.stanza, event.origin;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 -- local clients only
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 if origin.type ~= "c2s" then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 origin.send(st.error_reply(stanza, "cancel", "not-authorized"));
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 return true;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 -- validate
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 local filename = stanza.tags[1]:get_child_text("filename");
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 if not filename or filename:find("/") then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 origin.send(st.error_reply(stanza, "modify", "bad-request"));
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 return true;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 local reply = st.reply(stanza);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 reply:tag("slot", { xmlns = xmlns_http_upload });
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 local random = uuid();
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 pending_slots[random.."/"..filename] = origin.full_jid;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 local url = module:http_url() .. "/" .. random .. "/" .. filename;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 reply:tag("get"):text(url):up();
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 reply:tag("put"):text(url):up();
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 origin.send(reply);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 return true;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53 end);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 -- http service
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 local function upload_data(event, path)
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 if not pending_slots[path] then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58 return 401;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
59 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
60 local random, filename = path:match("^([^/]+)/([^/]+)$");
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
61 if not random then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 return 400;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 local dirname = join_path(storage_path, random);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
65 if not lfs.mkdir(dirname) then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
66 module:log("error", "Could not create directory %s for upload", dirname);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
67 return 500;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
68 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
69 local full_filename = join_path(dirname, filename);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
70 local fh, ferr = io.open(full_filename, "w");
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
71 if not fh then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
72 module:log("error", "Could not open file %s for upload: %s", full_filename, ferr);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
73 return 500;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
74 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
75 local ok, err = fh:write(event.request.body);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
76 if not ok then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
77 module:log("error", "Could not write to file %s for upload: %s", full_filename, err);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
78 os.remove(full_filename);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
79 return 500;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
80 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
81 ok, err = fh:close();
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
82 if not ok then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
83 module:log("error", "Could not write to file %s for upload: %s", full_filename, err);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
84 os.remove(full_filename);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
85 return 500;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
86 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
87 module:log("info", "File uploaded by %s to slot %s", pending_slots[path], random);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
88 pending_slots[path] = nil;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
89 return 200;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
90 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
91
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
92 local serve_uploaded_files = module:depends("http_files").serve(storage_path);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
93
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
94 local function size_only(request, data)
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
95 request.headers.content_size = #data;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
96 return 200;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
97 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
98
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
99 local function serve_head(event, path)
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
100 event.send = size_only;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
101 return serve_uploaded_files(event, path);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
102 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
103
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
104 module:provides("http", {
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
105 route = {
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
106 ["GET /*"] = serve_uploaded_files;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
107 ["HEAD /*"] = serve_head;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
108 ["PUT /*"] = upload_data;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
109 };
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
110 });