prosody
b890ceb1c24f
util/http.lua

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util/http.lua @ 9450:b890ceb1c24f

util.poll: Increase max epoll events per call This makes the struct roughly the same size in both epoll and select mode (64bit). There doesn’t seem to be much guidance on an appropriate size, it does not seem to matter too much since if there are more events they will simply show up in the next epoll_wait call. The number of exactly concurrent events should be fairly low most of the time anyways.
author Kim Alvefur <zash@zash.se>
date Mon, 08 Oct 2018 15:33:15 +0200
parent 5471:34bfd26525f5
child 9504:cfbea3064aa9
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1 -- Prosody IM
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2 -- Copyright (C) 2013 Florian Zeitz
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3 --
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4 -- This project is MIT/X11 licensed. Please see the
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5 -- COPYING file in the source package for more information.
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6 --
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7
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8 local format, char = string.format, string.char;
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9 local pairs, ipairs, tonumber = pairs, ipairs, tonumber;
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10 local t_insert, t_concat = table.insert, table.concat;
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11
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12 local function urlencode(s)
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13 return s and (s:gsub("[^a-zA-Z0-9.~_-]", function (c) return format("%%%02x", c:byte()); end));
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14 end
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15 local function urldecode(s)
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16 return s and (s:gsub("%%(%x%x)", function (c) return char(tonumber(c,16)); end));
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17 end
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18
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19 local function _formencodepart(s)
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20 return s and (s:gsub("%W", function (c)
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21 if c ~= " " then
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22 return format("%%%02x", c:byte());
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23 else
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24 return "+";
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25 end
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26 end));
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27 end
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28
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29 local function formencode(form)
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30 local result = {};
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31 if form[1] then -- Array of ordered { name, value }
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32 for _, field in ipairs(form) do
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33 t_insert(result, _formencodepart(field.name).."=".._formencodepart(field.value));
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34 end
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35 else -- Unordered map of name -> value
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36 for name, value in pairs(form) do
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37 t_insert(result, _formencodepart(name).."=".._formencodepart(value));
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38 end
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39 end
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40 return t_concat(result, "&");
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41 end
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42
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43 local function formdecode(s)
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44 if not s:match("=") then return urldecode(s); end
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45 local r = {};
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46 for k, v in s:gmatch("([^=&]*)=([^&]*)") do
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47 k, v = k:gsub("%+", "%%20"), v:gsub("%+", "%%20");
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48 k, v = urldecode(k), urldecode(v);
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49 t_insert(r, { name = k, value = v });
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50 r[k] = v;
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51 end
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52 return r;
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53 end
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54
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55 local function contains_token(field, token)
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56 field = ","..field:gsub("[ \t]", ""):lower()..",";
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57 return field:find(","..token:lower()..",", 1, true) ~= nil;
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58 end
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59
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60 return {
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61 urlencode = urlencode, urldecode = urldecode;
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62 formencode = formencode, formdecode = formdecode;
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63 contains_token = contains_token;
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64 };