prosody
7c8b02c5a335
plugins/mod_http_file_share.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_file_share.lua @ 11314:7c8b02c5a335

mod_http_file_share: Add file size limit (default 10M)
author Kim Alvefur <zash@zash.se>
date Tue, 26 Jan 2021 14:53:24 +0100
parent 11313:e53894d26092
child 11315:c52fcea39c8e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
11309
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- Prosody IM
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 -- Copyright (C) 2021 Kim Alvefur
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 --
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 -- This project is MIT/X11 licensed. Please see the
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 -- COPYING file in the source package for more information.
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 --
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 -- XEP-0363: HTTP File Upload
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 -- Again, from the top!
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 local t_insert = table.insert;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 local jid = require "util.jid";
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local st = require "util.stanza";
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local url = require "socket.url";
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 local dm = require "core.storagemanager".olddm;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 local jwt = require "util.jwt";
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 local errors = require "util.error";
11314
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
17 local dataform = require "util.dataforms".new;
11309
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 local namespace = "urn:xmpp:http:upload:0";
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 module:depends("disco");
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 module:add_identity("store", "file", module:get_option_string("name", "HTTP File Upload"));
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 module:add_feature(namespace);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 local uploads = module:open_store("uploads", "archive");
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 -- id, <request>, time, owner
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 local secret = module:get_option_string(module.name.."_secret", require"util.id".long());
11310
d1a0f2e918c0 mod_http_file_share: Add support for external file upload service
Kim Alvefur <zash@zash.se>
parents: 11309
diff changeset
30 local external_base_url = module:get_option_string(module.name .. "_base_url");
11314
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
31 local file_size_limit = module:get_option_number(module.name .. "_size_limit", 10 * 1024 * 1024); -- 10 MB
11310
d1a0f2e918c0 mod_http_file_share: Add support for external file upload service
Kim Alvefur <zash@zash.se>
parents: 11309
diff changeset
32
11311
9edda2026e57 mod_http_file_share: Add basic access control
Kim Alvefur <zash@zash.se>
parents: 11310
diff changeset
33 local access = module:get_option_set(module.name .. "_access", {});
9edda2026e57 mod_http_file_share: Add basic access control
Kim Alvefur <zash@zash.se>
parents: 11310
diff changeset
34
11310
d1a0f2e918c0 mod_http_file_share: Add support for external file upload service
Kim Alvefur <zash@zash.se>
parents: 11309
diff changeset
35 if not external_base_url then
d1a0f2e918c0 mod_http_file_share: Add support for external file upload service
Kim Alvefur <zash@zash.se>
parents: 11309
diff changeset
36 module:depends("http");
d1a0f2e918c0 mod_http_file_share: Add support for external file upload service
Kim Alvefur <zash@zash.se>
parents: 11309
diff changeset
37 end
11309
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38
11314
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
39 module:add_extension(dataform {
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
40 { name = "FORM_TYPE", type = "hidden", value = namespace },
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
41 { name = "max-file-size", type = "text-single" },
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
42 }:form({ ["max-file-size"] = tostring(file_size_limit) }, "result"));
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
43
11312
aade4a6179a3 mod_http_file_share: Return proper error if unauthorized
Kim Alvefur <zash@zash.se>
parents: 11311
diff changeset
44 local upload_errors = errors.init(module.name, namespace, {
aade4a6179a3 mod_http_file_share: Return proper error if unauthorized
Kim Alvefur <zash@zash.se>
parents: 11311
diff changeset
45 access = { "auth"; "forbidden" };
11313
e53894d26092 mod_http_file_share: Validate that filename does not contain '/'
Kim Alvefur <zash@zash.se>
parents: 11312
diff changeset
46 filename = { "modify"; "bad-request", "Invalid filename" };
11314
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
47 filesize = { "modify"; "not-acceptable"; "File too large";
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
48 st.stanza("file-too-large", {xmlns = namespace}):tag("max-size"):text(tostring(file_size_limit)); };
11312
aade4a6179a3 mod_http_file_share: Return proper error if unauthorized
Kim Alvefur <zash@zash.se>
parents: 11311
diff changeset
49 });
aade4a6179a3 mod_http_file_share: Return proper error if unauthorized
Kim Alvefur <zash@zash.se>
parents: 11311
diff changeset
50
11309
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 function may_upload(uploader, filename, filesize, filetype) -- > boolean, error
11311
9edda2026e57 mod_http_file_share: Add basic access control
Kim Alvefur <zash@zash.se>
parents: 11310
diff changeset
52 local uploader_host = jid.host(uploader);
9edda2026e57 mod_http_file_share: Add basic access control
Kim Alvefur <zash@zash.se>
parents: 11310
diff changeset
53 if not ((access:empty() and prosody.hosts[uploader_host]) or access:contains(uploader) or access:contains(uploader_host)) then
11312
aade4a6179a3 mod_http_file_share: Return proper error if unauthorized
Kim Alvefur <zash@zash.se>
parents: 11311
diff changeset
54 return false, upload_errors.new("access");
11311
9edda2026e57 mod_http_file_share: Add basic access control
Kim Alvefur <zash@zash.se>
parents: 11310
diff changeset
55 end
9edda2026e57 mod_http_file_share: Add basic access control
Kim Alvefur <zash@zash.se>
parents: 11310
diff changeset
56
11313
e53894d26092 mod_http_file_share: Validate that filename does not contain '/'
Kim Alvefur <zash@zash.se>
parents: 11312
diff changeset
57 if not filename or filename:find"/" then
e53894d26092 mod_http_file_share: Validate that filename does not contain '/'
Kim Alvefur <zash@zash.se>
parents: 11312
diff changeset
58 -- On Linux, only '/' and '\0' are invalid in filenames and NUL can't be in XML
e53894d26092 mod_http_file_share: Validate that filename does not contain '/'
Kim Alvefur <zash@zash.se>
parents: 11312
diff changeset
59 return false, upload_errors.new("filename");
e53894d26092 mod_http_file_share: Validate that filename does not contain '/'
Kim Alvefur <zash@zash.se>
parents: 11312
diff changeset
60 end
e53894d26092 mod_http_file_share: Validate that filename does not contain '/'
Kim Alvefur <zash@zash.se>
parents: 11312
diff changeset
61
11314
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
62 if filesize > file_size_limit then
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
63 return false, upload_errors.new("filesize");
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
64 end
7c8b02c5a335 mod_http_file_share: Add file size limit (default 10M)
Kim Alvefur <zash@zash.se>
parents: 11313
diff changeset
65
11309
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
66 return true;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
67 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
68
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
69 function get_authz(uploader, filename, filesize, filetype, slot)
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
70 return "Bearer "..jwt.sign(secret, {
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
71 sub = uploader;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
72 filename = filename;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
73 filesize = filesize;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
74 filetype = filetype;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
75 slot = slot;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
76 exp = os.time()+300;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
77 });
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
78 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
79
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
80 function get_url(slot, filename)
11310
d1a0f2e918c0 mod_http_file_share: Add support for external file upload service
Kim Alvefur <zash@zash.se>
parents: 11309
diff changeset
81 local base_url = external_base_url or module:http_url();
11309
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
82 local slot_url = url.parse(base_url);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
83 slot_url.path = url.parse_path(slot_url.path or "/");
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
84 t_insert(slot_url.path, slot);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
85 if filename then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
86 t_insert(slot_url.path, filename);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
87 slot_url.path.is_directory = false;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
88 else
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
89 slot_url.path.is_directory = true;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
90 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
91 slot_url.path = url.build_path(slot_url.path);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
92 return url.build(slot_url);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
93 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
94
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
95 function handle_slot_request(event)
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
96 local stanza, origin = event.stanza, event.origin;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
97
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
98 local request = st.clone(stanza.tags[1], true);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
99 local filename = request.attr.filename;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
100 local filesize = tonumber(request.attr.size);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
101 local filetype = request.attr["content-type"];
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
102 local uploader = jid.bare(stanza.attr.from);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
103
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
104 local may, why_not = may_upload(uploader, filename, filesize, filetype);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
105 if not may then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
106 origin.send(st.error_reply(stanza, why_not));
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
107 return true;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
108 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
109
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
110 local slot, storage_err = errors.coerce(uploads:append(nil, nil, request, os.time(), uploader))
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
111 if not slot then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
112 origin.send(st.error_reply(stanza, storage_err));
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
113 return true;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
114 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
115
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
116 local authz = get_authz(uploader, filename, filesize, filetype, slot);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
117 local slot_url = get_url(slot, filename);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
118 local upload_url = slot_url;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
119
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
120 local reply = st.reply(stanza)
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
121 :tag("slot", { xmlns = namespace })
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 :tag("get", { url = slot_url }):up()
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
123 :tag("put", { url = upload_url })
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
124 :text_tag("header", authz, {name="Authorization"})
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
125 :reset();
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
126
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
127 origin.send(reply);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
128 return true;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
129 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
130
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
131 function handle_upload(event, path) -- PUT /upload/:slot
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 local request = event.request;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
133 local authz = request.headers.authorization;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
134 if not authz or not authz:find"^Bearer ." then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
135 return 403;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 local authed, upload_info = jwt.verify(secret, authz:match("^Bearer (.*)"));
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 if not (authed and type(upload_info) == "table" and type(upload_info.exp) == "number") then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 return 401;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 if upload_info.exp < os.time() then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 return 410;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 if not path or upload_info.slot ~= path:match("^[^/]+") then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 return 400;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 local filename = dm.getpath(upload_info.slot, module.host, module.name, nil, true);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 if not request.body_sink then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 local fh, err = errors.coerce(io.open(filename.."~", "w"));
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 if not fh then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 return err;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 request.body_sink = fh;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156 if request.body == false then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 return true;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 if request.body then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 local written, err = errors.coerce(request.body_sink:write(request.body));
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163 if not written then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164 return err;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 request.body = nil;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
167 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169 if request.body_sink then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170 local uploaded, err = errors.coerce(request.body_sink:close());
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171 if uploaded then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
172 assert(os.rename(filename.."~", filename));
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 return 201;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 else
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 assert(os.remove(filename.."~"));
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 return err;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
178 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 function handle_download(event, path) -- GET /uploads/:slot+filename
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 local request, response = event.request, event.response;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 local slot_id = path:match("^[^/]+");
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185 -- TODO cache
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186 local slot, when = errors.coerce(uploads:get(nil, slot_id));
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 if not slot then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 module:log("debug", "uploads:get(%q) --> not-found, %s", slot_id, when);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 return 404;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 module:log("debug", "uploads:get(%q) --> %s, %d", slot_id, slot, when);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192 local last_modified = os.date('!%a, %d %b %Y %H:%M:%S GMT', when);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 if request.headers.if_modified_since == last_modified then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
194 return 304;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 local filename = dm.getpath(slot_id, module.host, module.name);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197 local handle, ferr = errors.coerce(io.open(filename));
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
198 if not handle then
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 return ferr or 410;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201 response.headers.last_modified = last_modified;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
202 response.headers.content_length = slot.attr.size;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
203 response.headers.content_type = slot.attr["content-type"];
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204 response.headers.content_disposition = string.format("attachment; filename=%q", slot.attr.filename);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
205
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
206 response.headers.cache_control = "max-age=31556952, immutable";
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
207 response.headers.content_security_policy = "default-src 'none'; frame-ancestors 'none';"
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
208
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
209 return response:send_file(handle);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
210 -- TODO
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
211 -- Set security headers
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
212 end
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 -- TODO periodic cleanup job
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 module:hook("iq-get/host/urn:xmpp:http:upload:0:request", handle_slot_request);
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217
11310
d1a0f2e918c0 mod_http_file_share: Add support for external file upload service
Kim Alvefur <zash@zash.se>
parents: 11309
diff changeset
218 if not external_base_url then
11309
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
219 module:provides("http", {
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 streaming_uploads = true;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 route = {
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 ["PUT /*"] = handle_upload;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 ["GET /*"] = handle_download;
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224 }
b59aed75dc5e mod_http_file_share: Let's write another XEP-0363 implementation
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 });
11310
d1a0f2e918c0 mod_http_file_share: Add support for external file upload service
Kim Alvefur <zash@zash.se>
parents: 11309
diff changeset
226 end