Software /
code /
prosody
Annotate
util/caps.lua @ 11693:7c03b1f4c388
prosodyctl: Add a note about checking the order of listed commands
Should Plugin really be first? What order makes the most sense?
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 15 Jul 2021 00:38:27 +0200 |
parent | 8555:4f0f5b49bb03 |
child | 12975:d10957394a3c |
rev | line source |
---|---|
3342
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
1 -- Prosody IM |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
2 -- Copyright (C) 2008-2010 Matthew Wild |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
3 -- Copyright (C) 2008-2010 Waqas Hussain |
5776
bd0ff8ae98a8
Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
3342
diff
changeset
|
4 -- |
3342
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
5 -- This project is MIT/X11 licensed. Please see the |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
6 -- COPYING file in the source package for more information. |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
7 -- |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
8 |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
9 local base64 = require "util.encodings".base64.encode; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
10 local sha1 = require "util.hashes".sha1; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
11 |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
12 local t_insert, t_sort, t_concat = table.insert, table.sort, table.concat; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
13 local ipairs = ipairs; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
14 |
6777
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
5776
diff
changeset
|
15 local _ENV = nil; |
8555
4f0f5b49bb03
vairious: Add annotation when an empty environment is set [luacheck]
Kim Alvefur <zash@zash.se>
parents:
6777
diff
changeset
|
16 -- luacheck: std none |
3342
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
17 |
6777
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
5776
diff
changeset
|
18 local function calculate_hash(disco_info) |
3342
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
19 local identities, features, extensions = {}, {}, {}; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
20 for _, tag in ipairs(disco_info) do |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
21 if tag.name == "identity" then |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
22 t_insert(identities, (tag.attr.category or "").."\0"..(tag.attr.type or "").."\0"..(tag.attr["xml:lang"] or "").."\0"..(tag.attr.name or "")); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
23 elseif tag.name == "feature" then |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
24 t_insert(features, tag.attr.var or ""); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
25 elseif tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
26 local form = {}; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
27 local FORM_TYPE; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
28 for _, field in ipairs(tag.tags) do |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
29 if field.name == "field" and field.attr.var then |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
30 local values = {}; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
31 for _, val in ipairs(field.tags) do |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
32 val = #val.tags == 0 and val:get_text(); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
33 if val then t_insert(values, val); end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
34 end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
35 t_sort(values); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
36 if field.attr.var == "FORM_TYPE" then |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
37 FORM_TYPE = values[1]; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
38 elseif #values > 0 then |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
39 t_insert(form, field.attr.var.."\0"..t_concat(values, "<")); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
40 else |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
41 t_insert(form, field.attr.var); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
42 end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
43 end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
44 end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
45 t_sort(form); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
46 form = t_concat(form, "<"); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
47 if FORM_TYPE then form = FORM_TYPE.."\0"..form; end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
48 t_insert(extensions, form); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
49 end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
50 end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
51 t_sort(identities); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
52 t_sort(features); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
53 t_sort(extensions); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
54 if #identities > 0 then identities = t_concat(identities, "<"):gsub("%z", "/").."<"; else identities = ""; end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
55 if #features > 0 then features = t_concat(features, "<").."<"; else features = ""; end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
56 if #extensions > 0 then extensions = t_concat(extensions, "<"):gsub("%z", "<").."<"; else extensions = ""; end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
57 local S = identities..features..extensions; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
58 local ver = base64(sha1(S)); |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
59 return ver, S; |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
60 end |
20e99763a08a
util.caps: Entity capabilities hash generation (moved from mod_pep)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
61 |
6777
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
5776
diff
changeset
|
62 return { |
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
5776
diff
changeset
|
63 calculate_hash = calculate_hash; |
5de6b93d0190
util.*: Remove use of module() function, make all module functions local and return them in a table at the end
Kim Alvefur <zash@zash.se>
parents:
5776
diff
changeset
|
64 }; |