prosody
519dea077d20
util/http.lua

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

Software / code / prosody

Annotate

util/http.lua @ 9091:519dea077d20

util.dataforms: Allow passing dynamically generated options as values (fixes traceback) This is awkward but there’s currently no better way to do this, short of dynamically generating the entire form each time
author Kim Alvefur <zash@zash.se>
date Fri, 03 Aug 2018 22:05:40 +0200
parent 5471:34bfd26525f5
child 9504:cfbea3064aa9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5299
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
1 -- Prosody IM
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
2 -- Copyright (C) 2013 Florian Zeitz
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
3 --
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
4 -- This project is MIT/X11 licensed. Please see the
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
5 -- COPYING file in the source package for more information.
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
6 --
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
7
5471
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
8 local format, char = string.format, string.char;
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
9 local pairs, ipairs, tonumber = pairs, ipairs, tonumber;
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
10 local t_insert, t_concat = table.insert, table.concat;
5299
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
11
5471
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
12 local function urlencode(s)
5458
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
13 return s and (s:gsub("[^a-zA-Z0-9.~_-]", function (c) return format("%%%02x", c:byte()); end));
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
14 end
5471
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
15 local function urldecode(s)
5458
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
16 return s and (s:gsub("%%(%x%x)", function (c) return char(tonumber(c,16)); end));
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
17 end
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
18
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
19 local function _formencodepart(s)
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
20 return s and (s:gsub("%W", function (c)
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
21 if c ~= " " then
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
22 return format("%%%02x", c:byte());
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
23 else
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
24 return "+";
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
25 end
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
26 end));
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
27 end
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
28
5471
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
29 local function formencode(form)
5458
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
30 local result = {};
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
31 if form[1] then -- Array of ordered { name, value }
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
32 for _, field in ipairs(form) do
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
33 t_insert(result, _formencodepart(field.name).."=".._formencodepart(field.value));
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
34 end
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
35 else -- Unordered map of name -> value
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
36 for name, value in pairs(form) do
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
37 t_insert(result, _formencodepart(name).."=".._formencodepart(value));
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
38 end
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
39 end
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
40 return t_concat(result, "&");
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
41 end
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
42
5471
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
43 local function formdecode(s)
5458
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
44 if not s:match("=") then return urldecode(s); end
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
45 local r = {};
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
46 for k, v in s:gmatch("([^=&]*)=([^&]*)") do
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
47 k, v = k:gsub("%+", "%%20"), v:gsub("%+", "%%20");
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
48 k, v = urldecode(k), urldecode(v);
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
49 t_insert(r, { name = k, value = v });
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
50 r[k] = v;
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
51 end
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
52 return r;
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
53 end
84162b81c863 net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Matthew Wild <mwild1@gmail.com>
parents: 5299
diff changeset
54
5471
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
55 local function contains_token(field, token)
5299
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
56 field = ","..field:gsub("[ \t]", ""):lower()..",";
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
57 return field:find(","..token:lower()..",", 1, true) ~= nil;
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
58 end
cc9d460aa779 util.http: New module for HTTP helper functions
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
59
5471
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
60 return {
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
61 urlencode = urlencode, urldecode = urldecode;
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
62 formencode = formencode, formdecode = formdecode;
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
63 contains_token = contains_token;
34bfd26525f5 util.http: Refactor and import all necessary functions
Matthew Wild <mwild1@gmail.com>
parents: 5458
diff changeset
64 };